{"id":81612,"date":"2026-07-25T03:19:18","date_gmt":"2026-07-24T19:19:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/81612.html"},"modified":"2026-07-25T03:19:18","modified_gmt":"2026-07-24T19:19:18","slug":"%e3%80%90linux%e3%80%91socket%e7%bc%96%e7%a8%8budp-echo-%e6%9c%8d%e5%8a%a1%e5%99%a8%e2%86%92%e7%bf%bb%e8%af%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e2%86%92%e5%a4%9a%e4%ba%ba%e8%81%8a%e5%a4%a9%e5%ae%a4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/81612.html","title":{"rendered":"\u3010Linux\u3011Socket\u7f16\u7a0bUDP Echo \u670d\u52a1\u5668\u2192\u7ffb\u8bd1\u670d\u52a1\u5668\u2192\u591a\u4eba\u804a\u5929\u5ba4"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u4e00\u3001V1 \u7248\u672c &#8211; echo server<\/li>\n<li>\n<ul>\n<li>UdpServer<\/li>\n<li>\n<ul>\n<li>\u521d\u59cb\u5316\u5957\u63a5\u5b57&#xff08;Init&#xff09;<\/li>\n<li>\n<ul>\n<li>\u7cfb\u7edf\u8c03\u7528socket<\/li>\n<li>bind<\/li>\n<\/ul>\n<\/li>\n<li>\u5f00\u59cb\u901a\u4fe1&#xff08;Start&#xff09;<\/li>\n<li>\u670d\u52a1\u7aef\u6e90\u7801-V1<\/li>\n<\/ul>\n<\/li>\n<li>UdpClient<\/li>\n<li>\n<ul>\n<li>\u6e90\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u6d4b\u8bd5\u4ee3\u7801\u6ce8\u610f\u4e8b\u9879<\/li>\n<li>\u5b8c\u6574\u6e90\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001V2 \u7248\u672c &#8211; DictionaryServer<\/li>\n<li>\n<ul>\n<li>\u6e90\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001V3 \u7248\u672c &#8211; ChatSystemDemo<\/li>\n<li>\u56db\u3001windows\u548clinux\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1<\/li>\n<\/ul>\n<hr \/>\n<h2>\u4e00\u3001V1 \u7248\u672c &#8211; echo server<\/h2>\n<h3>UdpServer<\/h3>\n<p>\u670d\u52a1\u7aef\u5148\u4ece\u7f51\u7edc\u4e2d\u8bfb\u6d88\u606f\u7136\u540e\u518d\u5199\u3002<\/p>\n<h4>\u521d\u59cb\u5316\u5957\u63a5\u5b57&#xff08;Init&#xff09;<\/h4>\n<h5>\u7cfb\u7edf\u8c03\u7528socket<\/h5>\n<p>\u521b\u5efa\u5957\u63a5\u5b57\u7684\u7cfb\u7edf\u8c03\u7528&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191912-6a63bab0b045b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u53c2\u6570\u4e00&#xff1a; \u534f\u8bae\u65cf\/\u57df&#xff0c;\u7528\u6765\u544a\u8bc9\u5957\u63a5\u5b57\u662f\u505a\u672c\u5730\u901a\u4fe1\u8fd8\u662f\u7f51\u7edc\u901a\u4fe1\u8fd8\u662f\u5176\u4ed6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191913-6a63bab10a1fc.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u53c2\u6570\u4e8c&#xff1a; \u5957\u63a5\u5b57\u7c7b\u578b:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191913-6a63bab14ca4d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u53c2\u6570\u4e09&#xff1a; \u9ed8\u8ba4\u4e3a0\u5373\u53ef\u3002<\/p>\n<p>\u8fd4\u56de\u503c&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191913-6a63bab1dc233.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6211\u4eec\u80fd\u770b\u5230\u8fd4\u56de\u503c\u7adf\u7136\u662f\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6240\u4ee5\u8fd9\u6b63\u662flinux\u4e0b\u4e00\u5207\u7686\u6587\u4ef6\u7684\u4f53\u73b0&#xff0c;\u7f51\u5361\u672c\u8d28\u4e5f\u662f\u6587\u4ef6&#xff0c;\u672a\u6765\u7f51\u7edc\u901a\u4fe1&#xff0c;\u672c\u8d28\u4e5f\u662f\u6587\u4ef6\u901a\u4fe1&#xff01;<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u8c03\u7528socket\u53ea\u662f\u628a\u7f51\u7edc\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u6253\u5f00\u4e86&#xff0c;\u8fd8\u9700\u8981\u7ed9\u6587\u4ef6\u7ed1\u5b9aip\u5730\u5740\u548c\u7aef\u53e3\u53f7&#xff0c;\u8fd9\u5c31\u8981\u7528\u5230\u4e0b\u9762\u7684bind\u3002<\/p>\n<h5>bind<\/h5>\n<p>\u5957\u63a5\u5b57\u7f16\u7a0b\u4e2d&#xff0c;bind \u662f\u5c06\u3010IP \u5730\u5740 &#043; \u7aef\u53e3\u53f7\u3011\u7ed1\u5b9a\u5230 \u5957\u63a5\u5b57&#xff08;socket&#xff09;\u6587\u4ef6\u63cf\u8ff0\u7b26 \u4e0a&#xff0c;\u800c\u4e0d\u662f\u76f4\u63a5\u7ed1\u5b9a\u5230\u8fdb\u7a0b\u3002<\/p>\n<p>\u5728\u4ecb\u7ecdbind\u4e4b\u524d\u5c0f\u7f16\u5148\u4ecb\u7ecd\u51e0\u4e2a\u63a5\u4e0b\u6765\u51e0\u4e2a\u5e38\u7528\u7684\u7ed3\u6784\u4f53&#xff1a; struct sockaddr \u901a\u7528\u5730\u5740\u7ed3\u6784 \u51fd\u6570\u53c2\u6570\u901a\u7528\u7c7b\u578b struct sockaddr_in IPv4 \u5730\u5740\u7ed3\u6784 \u5b9e\u9645\u5b58\u653e IP &#043; \u7aef\u53e3 struct sockaddr_in6 IPv6 \u5730\u5740\u7ed3\u6784 IPv6 \u4f7f\u7528 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191914-6a63bab20b257.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012socket\u7684\u8fd4\u56de\u503c\u3002 \u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\u4e00\u4e2a\u586b\u5145\u597dip\u5730\u5740\u548c\u7aef\u53e3\u53f7\u7684\u7ed3\u6784\u4f53&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191914-6a63bab23db38.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7b2c\u4e09\u4e2a\u53c2\u6570\u4f20\u9012\u7ed3\u6784\u4f53\u7684\u5927\u5c0f\u3002 \u8fd4\u56de\u503c\u7b49\u4e8e0\u8868\u793a\u7ed1\u5b9a\u6210\u529f&#xff0c;\u4e0d\u7b49\u4e8e0\u8868\u793a\u5931\u8d25\u3002<\/p>\n<p>\u5728\u4ecb\u7ecdbind\u4ee3\u7801\u4ee3\u7801\u5b9e\u73b0\u4e4b\u524d\u5c0f\u7f16\u5148\u4ecb\u7ecd\u4e24\u4e2a\u9700\u8981\u5305\u7684\u5934\u6587\u4ef6&#xff1a;&lt;netinet\/in.h&gt;\u5934\u6587\u4ef6\u80fd\u63d0\u4f9b\u5404\u79cd\u6570\u636e\u7c7b\u578b&#xff08;sockaddr_in\u5c31\u5728\u8be5\u5934\u6587\u4ef6\u4e2d&#xff09;&#xff0c;&lt;arpa\/inet.h&gt;\u80fd\u63d0\u4f9b\u5404\u79cd\u5927\u5c0f\u7aef\u8f6c\u5316\u7684\u65b9\u6cd5&#xff0c;\u52a0\u4e0a\u4e4b\u524d\u4ecb\u7ecd\u7684&lt;sys\/types.h&gt;\u548c&lt;sys\/socket.h&gt;&#xff0c;\u8fd9\u56db\u4e2a\u5934\u6587\u4ef6\u662f\u6211\u4eec\u7f51\u7edc\u7f16\u7a0b\u65f6\u51e0\u4e4e\u5fc5\u987b\u5305\u542b\u7684\u56db\u4e2a\u5934\u6587\u4ef6\u3002<\/p>\n<p>bind\u4ee3\u7801\u5206\u4e24\u6b65\u5b9e\u73b0: 1\u3001\u586b\u5145ip\u548cport \u5728\u586b\u5145ip\u548cport\u4e4b\u524d&#xff0c;\u8fd8\u9700\u8981\u5728 struct sockaddr_in \u7ed3\u6784\u4f53\u4e2d&#xff0c;\u5c06sin_family \u5b57\u6bb5\u8d4b\u503c\u4e3a AF_INET&#xff0c;\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528 IPv4 \u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1&#xff0c;\u540e\u7eed\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\u90fd\u8981\u6309\u7167 IPv4 \u534f\u8bae\u6765\u89e3\u6790\u548c\u5904\u7406\u3002 \u9996\u5148\u8981\u521b\u5efa\u4e00\u4e2asockaddr_in\u7c7b\u578b\u7ed3\u6784\u4f53&#xff0c;\u7136\u540e\u628a\u5b83\u7684\u5185\u5b58\u7a7a\u95f4\u6e05\u96f6&#xff0c;\u6211\u4eec\u53ef\u4ee5\u7528memset&#xff0c;\u5c0f\u7f16\u4ecb\u7ecd\u4e00\u79cd\u65b0\u65b9\u6cd5&#xff0c;\u7528bzero&#xff0c;\u9700\u8981\u5305&lt;strings.h&gt;\u5934\u6587\u4ef6&#xff0c;\u5b83\u53ef\u4ee5\u5c06\u4e00\u6bb5\u6307\u5b9a\u7684\u5185\u5b58\u7a7a\u95f4\u6e05\u96f6\u3002 ip\u548c\u7aef\u53e3\u53f7\u9700\u8981\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012&#xff0c;\u6240\u4ee5udpserver.cc\u4e2d\u7684main\u51fd\u6570\u8981\u63a5\u53d7\u547d\u4ee4\u884c\u53c2\u6570&#xff0c;\u7136\u540e\u521b\u5efaUdpServer\u5bf9\u8c61\u65f6\u518d\u628a\u63a5\u6536\u5230\u7684ip\u548c\u7aef\u53e3\u53f7\u4ee5\u53c2\u6570\u7684\u5f62\u5f0f\u4f20\u9012\u3002<\/p>\n<p>\u586b\u5165\u7aef\u53e3\u53f7_port\u65f6\u8981\u628a\u5c0f\u7aef\u8f6c\u5927\u6bb5\u7aefhtons(_port)&#xff0c;\u4e3b\u673a\u5b57\u8282\u5e8f\u8f6c\u7f51\u7edc\u5b57\u8282\u5e8f&#xff09;&#xff0c;\u56e0\u4e3a\u7aef\u53e3\u53f7\u4e5f\u8981\u968f\u7740\u62a5\u6587\u4e00\u8d77\u53d1\u7ed9\u5bf9\u65b9\u4e3b\u673a&#xff0c;\u8fd9\u6837\u5bf9\u65b9\u4e3b\u673a\u5728\u56de\u6d88\u606f\u65f6\u624d\u77e5\u9053\u53d1\u9001\u65b9\u5728\u54ea\u91cc\u3002&#xff08;htons\u4e2d\u7684s\u8868\u793ashort&#xff0c;\u5c0616 \u4f4d\u65e0\u7b26\u53f7\u77ed\u6574\u578b \u4ece\u4e3b\u673a\u5b57\u8282\u5e8f\u8f6c\u6362\u4e3a\u7f51\u7edc\u5b57\u8282\u5e8f&#xff09; \u586b\u5165ip\u5730\u5740\u8981\u628a\u53ef\u8bfb\u6027\u597d\u7684\u5b57\u7b26\u4e32\u98ce\u683c\u7684\u70b9\u5206\u5341\u8fdb\u5236ip\u8f6c\u5316\u4e3a4\u4e2a\u5b57\u8282\u7684\u6574\u6570ip&#xff0c;\u65b9\u4fbf\u7f51\u7edc\u4f20\u8f93&#xff0c;\u8fd9\u91cc\u9700\u8981\u7528\u5230inet_addr&#xff0c;\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u98ce\u683c\u7684\u70b9\u5206\u5341\u8fdb\u5236ip\u8f6c\u4e3a\u6574\u6570ip&#xff0c;\u5e76\u4e14\u5b83\u7684\u8fd4\u56de\u503c\u5df2\u7ecf\u662f\u7f51\u7edc\u5b57\u8282\u5e8f&#xff0c;\u6240\u4ee5\u4e0d\u9700\u8981\u518d\u901a\u8fc7htons\u8f6c\u6362\u3002 \u8fd8\u9700\u8981\u6ce8\u610f\u586bip\u5730\u5740\u65f6\u8981\u8fd9\u6837&#xff1a;local.sin_addr.s_addr&#xff0c;\u56e0\u4e3asin_addr\u662f\u7ed3\u6784\u4f53&#xff0c;C&#043;&#043;\u89c4\u5b9a\u7ed3\u6784\u4f53\u4e0d\u80fd\u6574\u4f53\u8d4b\u503c&#xff0c;\u6240\u4ee5\u53ea\u80fd\u5bf9sin_addr\u5185\u90e8\u7684\u6574\u578b\u53d8\u91cfs_addr\u8d4b\u503c\u3002<\/p>\n<p>2\u3001sockaddr_in\u548csocketfd\u8fdb\u884cbind \u8c03\u7528bind\u7cfb\u7edf\u8c03\u7528\u5373\u53ef\u3002<\/p>\n<h4>\u5f00\u59cb\u901a\u4fe1&#xff08;Start&#xff09;<\/h4>\n<p>\u76ee\u524d\u670d\u52a1\u5668\u5df2\u7ecf\u521d\u59cb\u5316\u5b8c\u6210&#xff0c;\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u8981\u57fa\u4e8e\u6587\u4ef6\u63cf\u8ff0\u7b26\u6765\u8fdb\u884c\u901a\u4fe1\u4e86\u3002<\/p>\n<p>1\u3001\u8bfb\u53d6\u6570\u636e \u56e0\u4e3audp\u4e0d\u662f\u9762\u5411\u5b57\u8282\u6d41\u7684&#xff0c;\u6240\u4ee5\u4e0d\u80fd\u76f4\u63a5\u7528read&#xff0c;udp\u6709\u4e00\u5957\u81ea\u5df1\u7684\u8bfb\u53d6\u3001\u53d1\u9001\u6570\u636e\u63a5\u53e3&#xff1a;<\/p>\n<p>recvfrom:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191914-6a63bab24d6a2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u53c2\u6570&#xff1a; 1\u3001\u63a5\u6536\u65b9\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002 2\u3001\u8f93\u51fa\u578b\u53c2\u6570&#xff0c;\u7528\u6237\u81ea\u5b9a\u4e49\u4e00\u6bb5\u7f13\u51b2\u533a&#xff0c;\u5c06\u8bfb\u5230\u7684\u6570\u636e\u5e26\u51fa\u3002 3\u3001\u8868\u793a\u53c2\u65702\u7528\u6237\u81ea\u5b9a\u4e49\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002 4\u3001\u8868\u793a\u8bfb\u53d6\u7b56\u7565&#xff0c;\u9ed8\u8ba4\u7f6e\u4e3a0&#xff0c;\u8868\u793a\u963b\u585e\u8bfb\u53d6\u3002 5\u3001\u8f93\u51fa\u578b\u53c2\u6570&#xff0c;\u662f\u5bf9\u7aef\u4e3b\u673a\u7684ip\u548c\u7aef\u53e3\u53f7\u4fe1\u606f&#xff0c;\u662f\u4e00\u4e2asockaddr_in\u7c7b\u578b\u7684\u7ed3\u6784\u4f53\u53d8\u91cf&#xff0c;\u65b9\u4fbf\u6211\u4eec\u56de\u6d88\u606f\u3002&#xff08;\u5957\u63a5\u5b57\u7f16\u7a0b&#xff1a;\u53d1\u9001\u6570\u636e &#061; \u6d88\u606f\u5185\u5bb9 &#043; \u53d1\u9001\u4e3b\u4f53&#xff09; 6\u3001\u8f93\u5165\u8f93\u51fa\u578b\u53c2\u6570&#xff0c;\u8868\u793a\u53c2\u65705\u7684\u7ed3\u6784\u4f53\u5927\u5c0f&#xff0c;\u8f93\u5165\u8868\u793a\u4f20\u5165\u7684\u7ed3\u6784\u4f53\u5927\u5c0f&#xff0c;\u8f93\u51fa\u8868\u793a\u5b9e\u9645\u7ed3\u6784\u4f53\u5927\u5c0f\u3002<\/p>\n<p>\u8fd4\u56de\u503c&#xff1a; \u5927\u4e8e0\u8868\u793a\u5b9e\u9645\u8bfb\u53d6\u591a\u5c11\u5b57\u8282&#xff0c;\u5c0f\u4e8e0\u8868\u793a\u8bfb\u53d6\u5931\u8d25\u3002<\/p>\n<p>2\u3001\u53d1\u9001\u6570\u636e sendto:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191914-6a63bab2c1d18.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u53c2\u6570&#xff1a; 1\u3001\u53d1\u9001\u65b9\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u8fd9\u91cc\u53ef\u4ee5\u5f15\u51fa\u4e00\u4e2a\u7ed3\u8bba&#xff1a; udp\u65e2\u53ef\u4ee5\u8bfb\u65f6\u5199&#xff0c;\u4e5f\u53ef\u4ee5\u5199\u65f6\u8bfb&#xff0c;\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\u3002 \u5176\u4ed6\u53c2\u6570\u7c7b\u4f3crecvfrom&#xff0c;\u53ea\u4e0d\u8fc7\u7b2c5\u4e2a\u53c2\u6570\u662f\u8f93\u5165\u578b\u53c2\u6570&#xff0c;\u8981\u4f20\u9012\u76ee\u6807\u4e3b\u673a\u7684sockaddr_in\u7ed3\u6784\u4f53&#xff0c;\u8fd8\u8981\u6ce8\u610f\u7b2c\u516d\u4e2a\u53c2\u6570\u662f\u6574\u5f62\u7c7b\u578b&#xff0c;\u4e0d\u662frecvfrom\u7684\u6307\u9488\u7c7b\u578b\u3002<\/p>\n<h4>\u670d\u52a1\u7aef\u6e90\u7801-V1<\/h4>\n<p><span class=\"token comment\">\/\/UdpServer.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;strings.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Logger.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> gdefaultsockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UdpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">UdpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>ip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span><span class=\"token function\">_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>gdefaultsockfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1\u3001\u521b\u5efa\u5957\u63a5\u5b57fd<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57\u5931\u8d25<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2\u3001bind<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.1 \u586b\u5145ip\u548cport<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>_ip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.2sockaddr_in\u548csocketfd\u8fdb\u884cbind<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>_isrunning<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6e05\u7a7a\u7f13\u51b2\u533a<\/span><br \/>\n            sockaddr_in peer<span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n             <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u7ed9\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u5b57\u7b26\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u5199\/0<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;client say# &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string echo_string <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;server echo# &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                echo_string <span class=\"token operator\">&#043;&#061;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> echo_string<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> echo_string<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                 <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4ee5\u9632\u670d\u52a1\u5668\u81ea\u5df1\u8dd1\u51fa\u6765<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">UdpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _ip<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">bool<\/span> _isrunning<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token comment\">\/\/UdpServer.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;UdpServer.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; localip localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string ip <span class=\"token operator\">&#061;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">EnableConsoleLogStrategy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>UdpServer<span class=\"token operator\">&gt;<\/span> usvr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_unique<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>UdpServer<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">,<\/span> port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>UdpClient<\/h3>\n<p>\u5ba2\u6237\u7aef\u5bf9\u4e8e\u670d\u52a1\u7aef\u6765\u8bf4\u662f\u5ba2\u6237\u7aef\u5148\u5f00\u53e3\u8bf4\u8bdd&#xff0c;\u6240\u4ee5\u5ba2\u6237\u7aef\u5148\u5199\u6570\u636e\u5230\u7f51\u7edc\u91cc\u7136\u540e\u518d\u8bfb\u3002<\/p>\n<p>\u5199\u5ba2\u6237\u7aef\u5927\u81f4\u6d41\u7a0b\u548c\u670d\u52a1\u7aef\u7c7b\u4f3c&#xff0c;\u4f46\u662f\u6709\u4e0b\u9762\u51e0\u4e2a\u6ce8\u610f\u4e8b\u9879&#xff1a; 1\u3001\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u65e5\u5fd7\u7cfb\u7edf&#xff0c;\u76f4\u63a5\u8f93\u51fa\u5373\u53ef\u3002 2\u3001\u5ba2\u6237\u7aef\u521b\u5efasockfd\u540e\u4e0d\u7528\u663e\u793a\u7684\u8c03\u7528bind\u7ed1\u5b9a\u81ea\u5df1\u7684ip\u548c\u7aef\u53e3\u53f7&#xff0c;\u5f53\u5ba2\u6237\u7aef\u7b2c\u4e00\u6b21\u53d1\u9001\u6d88\u606f\u540e\u4f1a\u7531OS\u81ea\u52a8\u5c06\u5ba2\u6237\u7aefsockfd\u548c\u672c\u53f0\u4e3b\u673a\u7684ip\u7ed1\u5b9a&#xff0c;\u5e76\u968f\u673a\u5206\u914d\u4e00\u4e2a\u6ca1\u6709\u88ab\u4f7f\u7528\u7684\u7aef\u53e3\u53f7&#xff0c;\u6240\u4ee5\u5ba2\u6237\u7aef\u76f4\u63a5\u53d1\u6d88\u606f\u5373\u53ef&#xff0c;\u56e0\u4e3a\u5bf9\u4e8e\u5ba2\u6237\u7aef\u6765\u8bf4&#xff0c;\u4f1a\u6709\u5404\u79cdapp&#xff0c;\u5982\u5fae\u4fe1\u3001\u6296\u97f3\u3001\u652f\u4ed8\u5b9d&#xff0c;\u8fd9\u4e9b\u516c\u53f8\u4e0d\u4f1a\u4e92\u76f8\u534f\u5546\u5bf9\u7aef\u53e3\u53f7\u7684\u7ed1\u5b9a\u89c4\u5219&#xff0c;\u6240\u4ee5\u5982\u679c\u8ba9\u5ba2\u6237\u7aef\u7a0b\u5e8f\u663e\u793a\u7ed1\u5b9a\u7aef\u53e3\u53f7&#xff0c;\u5c31\u6709\u53ef\u80fd\u4e24\u4e2a\u8fdb\u7a0b\u540c\u65f6\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7&#xff0c;\u52bf\u5fc5\u4f1a\u9020\u6210\u4e00\u4e2a\u8fdb\u7a0b\u65e0\u6cd5\u542f\u52a8\u3002\u800c\u5bf9\u4e8e\u670d\u52a1\u7aef\u6765\u8bf4&#xff0c;\u53ef\u4ee5\u663e\u793a\u7684\u7ed1\u5b9a\u81ea\u5df1\u7684ip\u548c\u7aef\u53e3\u53f7&#xff0c;\u56e0\u4e3a\u670d\u52a1\u7aef\u90fd\u662f\u5c5e\u4e8e\u540c\u4e00\u5bb6\u516c\u53f8&#xff0c;\u516c\u53f8\u5185\u90e8\u53ef\u4ee5\u5bf9\u7aef\u53e3\u53f7\u7684\u4f7f\u7528\u505a\u5206\u914d\u3002 3\u3001\u5ba2\u6237\u7aef\u4e2d\u4e00\u822c\u4f1a\u5185\u7f6e\u670d\u52a1\u7aef\u7684ip\u548c\u7aef\u53e3\u53f7&#xff0c;\u8fd9\u91cc\u6211\u4eec\u4e5f\u7528\u547d\u4ee4\u884c\u53c2\u6570\u6765\u4f20\u9012\u670d\u52a1\u7aef\u7684ip\u548c\u7aef\u53e3\u53f7\u3002<\/p>\n<h4>\u6e90\u7801<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/proc\u8868\u793a\u7c7b\u4f3c\u4e8e .\/client<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;localip localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u63d0\u53d6\u547d\u4ee4\u884c\u53c2\u6570<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string serverip <span class=\"token operator\">&#061;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> serverport <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> server<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>serverip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Please Enter&#064; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string line<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getline<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>cin<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8bfb\u53d6\u5ba2\u6237\u7aef\u8f93\u5165\u5e76\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5199<\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8bfb<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> temp<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>temp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> m <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>temp<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>m <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8bfb\u6210\u529f<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span>m<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u6d4b\u8bd5\u4ee3\u7801\u6ce8\u610f\u4e8b\u9879<\/h3>\n<p>1\u3001\u73b0\u5728\u6211\u4eec\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u90fd\u5199\u5b8c\u4e86&#xff0c;\u6d4b\u8bd5\u670d\u52a1\u7aef\u65f6\u547d\u4ee4\u884c\u53c2\u6570ip\u586b127.0.0.1&#xff0c;\u8fd9\u662f\u672c\u5730\u73af\u56de\u4e3b\u673aip&#xff0c;\u4e13\u95e8\u7528\u6765\u672c\u5730\u6d4b\u8bd5\u548c\u672c\u5730\u901a\u4fe1&#xff0c;\u7aef\u53e3\u53f7\u968f\u4fbf\u586b\u3002 2\u3001\u5f53\u6211\u4eec\u542f\u52a8\u670d\u52a1\u5668\u540e&#xff0c;\u60f3\u9a8c\u8bc1\u670d\u52a1\u5668\u662f\u5426\u542f\u52a8\u53ef\u4ee5\u7528 netstat \u547d\u4ee4&#xff0c;\u7528\u6765\u67e5\u770b\u7f51\u7edc\u72b6\u6001&#xff0c;-n\u8868\u793a\u67e5udp\u670d\u52a1\u5668&#xff0c;-ua\u8868\u793a\u67e5\u6240\u6709udp\u670d\u52a1\u5668&#xff0c;-n\u8868\u793a\u628a\u80fd\u663e\u793a\u6210\u6570\u5b57\u7684\u4fe1\u606f\u663e\u793a\u4e3a\u6570\u5b57&#xff0c;-p\u8868\u793a\u663e\u793a\u66f4\u591a\u8fdb\u7a0b\u4fe1\u606f\u3002 3\u3001\u4e91\u670d\u52a1\u5668\u7981\u6b62\u7528\u6237bind\u516c\u7f51ip&#xff0c;\u5373\u4f7f\u662f\u80fdbind\u516c\u7f51ip\u6216\u4efb\u610fip&#xff0c;\u6700\u4f73\u5b9e\u8df5\u8fd8\u662f\u4e0d\u5efa\u8bae\u670d\u52a1\u7aefbind\u56fa\u5b9aip! \u800c\u662f\u4efb\u610fip bind&#xff0c;\u64cd\u4f5c\u5982\u4e0b\u6240\u793a&#xff1a;<\/p>\n<p>local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htonl<\/span><span class=\"token punctuation\">(<\/span>INADDR_ANY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p>\u8fd9\u6837\u53ea\u8981\u662f\u53d1\u7ed9\u8fd9\u53f0\u4e3b\u673a\u76848080\u7aef\u53e3\u53f7\u7684\u4fe1\u606f&#xff08;\u5982\u8be5\u4e3b\u673a\u7684\u73af\u56deip 127.0.0.1 \u548c \u8be5\u4e3b\u673a\u7684\u516c\u7f51ip\u59821.95.35.127&#xff09;&#xff0c;\u670d\u52a1\u7aef\u5c31\u90fd\u80fd\u63a5\u6536&#xff0c;\u5982\u679c\u670d\u52a1\u7aef\u7ed1\u5b9a\u4e86\u56fa\u5b9aip&#xff0c;\u90a3\u4e48\u8be5\u670d\u52a1\u7aef\u5c31\u53ea\u80fd\u6536\u5230\u53d1\u7ed9\u8be5\u56fa\u5b9aip\u7684\u6d88\u606f\u3002\u6240\u4ee5\u670d\u52a1\u7aef\u4e0d\u7528\u518d\u901a\u8fc7\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012ip\u4e86&#xff0c;\u670d\u52a1\u7aef\u7684\u53ea\u7528\u63a5\u6536\u7aef\u53e3\u53f7\u5373\u53ef\u3002<\/p>\n<h3>\u5b8c\u6574\u6e90\u7801<\/h3>\n<p><span class=\"token comment\">\/\/udpserver.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;strings.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Logger.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> gdefaultsockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UdpServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">UdpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>gdefaultsockfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1\u3001\u521b\u5efa\u5957\u63a5\u5b57fd<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57\u5931\u8d25<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2\u3001bind<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.1 \u586b\u5145ip\u548cport<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htonl<\/span><span class=\"token punctuation\">(<\/span>INADDR_ANY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4efb\u610fip bind<\/span><br \/>\n        <span class=\"token comment\">\/\/local.sin_addr.s_addr &#061; inet_addr(_ip.c_str());<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.2sockaddr_in\u548csocketfd\u8fdb\u884cbind<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>_isrunning<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6e05\u7a7a\u7f13\u51b2\u533a<\/span><br \/>\n            sockaddr_in peer<span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n             <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u83b7\u53d6\u5ba2\u6237\u7aefip\u548c\u7aef\u53e3\u53f7<\/span><br \/>\n                <span class=\"token keyword\">uint16_t<\/span> clientport <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string clientip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u7ed9\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u5b57\u7b26\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u5199\/0<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;[&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> clientip <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span><br \/>\n                 clientport <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;]# &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string echo_string <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;server echo# &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                echo_string <span class=\"token operator\">&#043;&#061;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> echo_string<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> echo_string<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                 <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4ee5\u9632\u670d\u52a1\u5668\u81ea\u5df1\u8dd1\u51fa\u6765<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">UdpServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/std::string _ip; \/\/<\/span><\/p>\n<p>    <span class=\"token keyword\">bool<\/span> _isrunning<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token comment\">\/\/udpserver.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;UdpServer.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">EnableConsoleLogStrategy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>UdpServer<span class=\"token operator\">&gt;<\/span> usvr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_unique<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>UdpServer<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/udpclient.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/proc\u8868\u793a\u7c7b\u4f3c\u4e8e .\/client<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;localip localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u63d0\u53d6\u547d\u4ee4\u884c\u53c2\u6570<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string serverip <span class=\"token operator\">&#061;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> serverport <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> server<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>serverip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Please Enter&#064; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string line<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getline<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>cin<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8bfb\u53d6\u5ba2\u6237\u7aef\u8f93\u5165\u5e76\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5199<\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8bfb<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> temp<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>temp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> m <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>temp<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>m <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8bfb\u6210\u529f<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span>m<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e8c\u3001V2 \u7248\u672c &#8211; DictionaryServer<\/h2>\n<p>EchoServer\u4e3b\u8981\u89e3\u51b3\u7684\u662fio\u95ee\u9898&#xff0c;\u73b0\u5728\u6211\u4eec\u8981\u7ed9\u670d\u52a1\u7aef\u6dfb\u52a0\u4e00\u4e9b\u4e1a\u52a1&#xff0c;\u53ef\u4ee5\u5b8c\u6210\u7ffb\u8bd1\u529f\u80fd&#xff0c;\u53ef\u4ee5\u628a\u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u7684\u4fe1\u606f\u505a\u7ffb\u8bd1\u3002 1\u3001\u9996\u5148\u6211\u4eec\u8981\u7406\u89e3\u670d\u52a1\u7aefDictServer\u672c\u8eab\u53ea\u7528\u627f\u62c5\u53d1\u9001\u6570\u636e\u548c\u63a5\u6536\u6570\u636e\u7684\u529f\u80fd&#xff0c;\u5177\u4f53\u4e1a\u52a1\u903b\u8f91\u662f\u9700\u8981\u53e6\u5916\u5199\u4e00\u6bb5\u7a0b\u5e8f\u7684&#xff0c;\u7136\u540e\u7531\u670d\u52a1\u7aef\u56de\u8c03\u6267\u884c\u540e\u518d\u8fd4\u56de&#xff0c;\u6240\u4ee5\u6211\u4eec\u8981\u628a\u8f6f\u4ef6\u8fdb\u884c\u5206\u5c42\u5b9e\u73b0&#xff0c;Dictionary.hpp\u8d1f\u8d23\u7ffb\u8bd1&#xff0c;DictServer.hpp\u8d1f\u8d23\u7f51\u7edcIO\u3002<\/p>\n<h3>\u6e90\u7801<\/h3>\n<p><span class=\"token comment\">\/\/Dictionary.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;fstream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unordered_map&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Logger.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/\u5b9a\u4e49\u5206\u9694\u7b26<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">static<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string sep <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;:&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Dictionary<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u52a0\u8f7d_path\u4e2d\u7684\u914d\u7f6e\u6587\u4ef6\u5e76\u521d\u59cb\u5316unordered_map<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">LoadConf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00 _path \u8def\u5f84\u5bf9\u5e94\u7684\u6587\u4ef6&#xff0c;\u5e76\u5c06\u5176\u7ed1\u5b9a\u5230 in \u8fd9\u4e2a\u8f93\u5165\u6d41\u5bf9\u8c61\u4e0a&#xff0c;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u540e\u7eed\u5c31\u53ef\u4ee5\u901a\u8fc7 in \u50cf std::cin \u4e00\u6837\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>ifstream <span class=\"token function\">in<\/span><span class=\"token punctuation\">(<\/span>_path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>in<span class=\"token punctuation\">.<\/span><span class=\"token function\">is_open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>ERROR<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;open file error: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _path<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string line<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getline<\/span><span class=\"token punctuation\">(<\/span>in<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;load dict nessage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> line<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/\u62c6\u5206\u5b57\u7b26\u4e32line&#xff0c;\u5206\u522b\u63d2\u5165unordered_map: dog:\u72d7<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> pos <span class=\"token operator\">&#061;<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>sep<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token double-colon punctuation\">::<\/span>npos<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u6ca1\u627e\u5230\u5206\u9694\u7b26<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>ERROR<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;format error:&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> line<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u53ea\u662f\u8fd9\u4e00\u884c\u5b57\u7b26\u4e32\u6ca1\u6709\u5206\u9694\u7b26&#xff0c;\u8fd8\u9700\u8981\u7ee7\u7eed\u52a0\u8f7d\u540e\u7eed\u7684\u5b57\u7b26\u4e32<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>string word <span class=\"token operator\">&#061;<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8d77\u59cb\u4f4d\u7f6e&#xff0c;\u622a\u53d6\u957f\u5ea6<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>string value <span class=\"token operator\">&#061;<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">substr<\/span><span class=\"token punctuation\">(<\/span>pos <span class=\"token operator\">&#043;<\/span> sep<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4e0d\u4f20\u7b2c\u4e8c\u4e2a\u53c2\u6570&#xff0c;\u9ed8\u8ba4\u622a\u53d6\u5230\u7ed3\u5c3e<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> value<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>ERROR<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;format error, word or value is empty: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> line<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            _dict<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>word<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        in<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Dictionary<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>path<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span><span class=\"token function\">_path<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;construct dictionary obj&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">LoadConf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">Translate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>word<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>whoip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> whoport<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8be5\u63a5\u53e3\u4e0d\u8d1f\u8d23\u6536\u53d1\u6570\u636e&#xff0c;\u6545\u4e0d\u7528\u53c2\u6570whoip\u548cwhoport<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>whoip<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>whoport<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _dict<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _dict<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u6ca1\u627e\u5230<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;unknown&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/\u627e\u5230\u4e86<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> iter<span class=\"token operator\">-&gt;<\/span>first <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;-&gt;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Dictionary<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _path<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&gt;<\/span> _dict<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/DictServer.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;strings.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Logger.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">using<\/span> callback_t <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">string<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>word<span class=\"token punctuation\">,<\/span><br \/>\n     <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>whoip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> whoport<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> gdefaultsockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DictServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">DictServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">,<\/span> callback_t cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>gdefaultsockfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_cb<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1\u3001\u521b\u5efa\u5957\u63a5\u5b57fd<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57\u5931\u8d25<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2\u3001bind<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.1 \u586b\u5145ip\u548cport<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> local<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">bzero<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        local<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htonl<\/span><span class=\"token punctuation\">(<\/span>INADDR_ANY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4efb\u610fip bind<\/span><br \/>\n        <span class=\"token comment\">\/\/local.sin_addr.s_addr &#061; inet_addr(_ip.c_str());<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.2sockaddr_in\u548csocketfd\u8fdb\u884cbind<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>local<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>_isrunning<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6e05\u7a7a\u7f13\u51b2\u533a <\/span><br \/>\n            sockaddr_in peer<span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n             <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8f6cC\u8bed\u8a00\u98ce\u683c\u5b57\u7b26\u4e32<\/span><br \/>\n                <span class=\"token comment\">\/\/\u83b7\u53d6\u5ba2\u6237\u7aefip\u548c\u7aef\u53e3\u53f7<\/span><br \/>\n                <span class=\"token keyword\">uint16_t<\/span> clientport <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string clientip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                std<span class=\"token double-colon punctuation\">::<\/span>string word <span class=\"token operator\">&#061;<\/span> buffer<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u7528\u6237\u67e5\u627e&#xff1a; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> word<span class=\"token punctuation\">;<\/span><br \/>\n                std<span class=\"token double-colon punctuation\">::<\/span>string result <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">_cb<\/span><span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">,<\/span> clientip<span class=\"token punctuation\">,<\/span> clientport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ buffer[n] &#061; 0; \/\/\u7ed9\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u5b57\u7b26\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u5199\/0<\/span><br \/>\n                <span class=\"token comment\">\/\/ LOG(LogLevel::DEBUG) &lt;&lt; &#034;[&#034; &lt;&lt; clientip &lt;&lt; &#034;:&#034; &lt;&lt;<\/span><br \/>\n                <span class=\"token comment\">\/\/  clientport &lt;&lt; &#034;]# &#034; &lt;&lt; buffer;<\/span><br \/>\n                <span class=\"token comment\">\/\/ std::string echo_string &#061; &#034;server echo# &#034;;<\/span><br \/>\n                <span class=\"token comment\">\/\/ echo_string &#043;&#061; buffer;<\/span><\/p>\n<p>                <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                 <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4ee5\u9632\u670d\u52a1\u5668\u81ea\u5df1\u8dd1\u51fa\u6765<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">DictServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/std::string _ip; \/\/<\/span><br \/>\n    callback_t _cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _isrunning<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token comment\">\/\/DictServer.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Dictionary.hpp&#034;<\/span> <span class=\"token comment\">\/\/\u8d1f\u8d23\u7ffb\u8bd1<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;DictServer.hpp&#034;<\/span> <span class=\"token comment\">\/\/\u8d1f\u8d23\u7f51\u7edcIO<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ std::string Translate(const std::string &amp;word, const std::string &amp;whoip, uint16_t whoport)<\/span><br \/>\n<span class=\"token comment\">\/\/     {<\/span><br \/>\n<span class=\"token comment\">\/\/         return &#034;\u54c8\u54c8&#034;;<\/span><br \/>\n<span class=\"token comment\">\/\/     }<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">EnableConsoleLogStrategy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Dictionary <span class=\"token function\">dict<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.\/dict.txt&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>DictServer<span class=\"token operator\">&gt;<\/span> usvr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_unique<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>DictServer<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>dict<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>word<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>whoip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> whoport<span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> dict<span class=\"token punctuation\">.<\/span><span class=\"token function\">Translate<\/span><span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">,<\/span> whoip<span class=\"token punctuation\">,<\/span> whoport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/DictClient.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/proc\u8868\u793a\u7c7b\u4f3c\u4e8e .\/client<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;localip localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u63d0\u53d6\u547d\u4ee4\u884c\u53c2\u6570<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string serverip <span class=\"token operator\">&#061;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> serverport <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> server<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>serverip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Please Enter&#064; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string line<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getline<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>cin<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8bfb\u53d6\u5ba2\u6237\u7aef\u8f93\u5165\u5e76\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32<\/span><br \/>\n        <span class=\"token comment\">\/\/\u5199<\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8bfb<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> temp<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>temp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> m <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>temp<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>m <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8bfb\u6210\u529f<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span>m<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e09\u3001V3 \u7248\u672c &#8211; ChatSystemDemo<\/h2>\n<p>\u524d\u9762\u6211\u4eec\u5b9e\u73b0\u7684V2\u7248\u672c\u7684\u670d\u52a1\u5668\u662f\u5355\u8fdb\u7a0b\u7248\u672c&#xff0c;\u6548\u7387\u6bd4\u8f83\u4f4e&#xff0c;\u6211\u4eec\u5148\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u670d\u52a1\u5668\u6211\u4eec\u4f7f\u7528\u7ebf\u7a0b\u6c60&#xff0c;\u670d\u52a1\u5668\u5c06\u4efb\u52a1\u6253\u5305\u6d3e\u53d1\u7ed9\u7ebf\u7a0b\u6c60&#xff0c;\u7136\u540e\u7531\u7ebf\u7a0b\u6c60\u4e2d\u7684\u73b0\u573a\u5b8c\u6210\u4efb\u52a1&#xff0c;\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u7ebf\u7a0b\u4e00\u8fb9\u5904\u7406\u4efb\u52a1&#xff0c;\u670d\u52a1\u5668\u4e00\u8fb9\u4ece\u5ba2\u6237\u7aef\u8bfb\u53d6\u6570\u636e&#xff0c;\u4f7f\u5f97\u751f\u4ea7\u548c\u6d88\u8d39\u5e76\u53d1\u8fd0\u884c\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191915-6a63bab343e91.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u4f46\u662f\u6211\u4eec\u63a5\u4e0b\u6765\u4e0d\u518d\u5b9e\u73b0\u591a\u7ebf\u7a0b\u7684DictServer&#xff0c;\u800c\u662f\u5b9e\u73b0\u4e00\u4e2a\u591a\u7528\u6237\u804a\u5929\u7cfb\u7edf\u3002<\/p>\n<p><span class=\"token comment\">\/\/ChatServer.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;strings.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;InetAddr.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Logger.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Route.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/\u6b64\u5904\u5fc5\u987bmessage\u548cadd\u5fc5\u987b\u62f7\u8d1d\u4f20\u53c2&#xff0c;\u56e0\u4e3a\u4ed6\u4eec\u672c\u8d28\u662f\u4e34\u65f6\u53d8\u91cf<\/span><br \/>\n<span class=\"token keyword\">using<\/span> callback_t <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span>string message<span class=\"token punctuation\">,<\/span> InetAddr <span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> gdefaultsockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatServer<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ChatServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> port<span class=\"token punctuation\">,<\/span> callback_t cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span><span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_sockfd<\/span><span class=\"token punctuation\">(<\/span>gdefaultsockfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span><span class=\"token function\">_cb<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1\u3001\u521b\u5efa\u5957\u63a5\u5b57fd<\/span><br \/>\n        _sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>_sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/\u521b\u5efa\u5957\u63a5\u5b57\u5931\u8d25<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2\u3001bind<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2.1 \u586b\u5145ip\u548cport<\/span><br \/>\n        InetAddr <span class=\"token function\">local<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2.2sockaddr_in\u548csocketfd\u8fdb\u884cbind<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>local<span class=\"token punctuation\">,<\/span> local<span class=\"token punctuation\">.<\/span><span class=\"token function\">Lenth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>FATAL<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket error&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>INFO<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;bind socket sucess: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>_isrunning<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6e05\u7a7a\u7f13\u51b2\u533a&#xff0c;\u9ed8\u8ba4\u5f53\u524dbuffer\u4e3a\u7a7a<\/span><br \/>\n            sockaddr_in peer<span class=\"token punctuation\">;<\/span><br \/>\n            socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n             <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>peer<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/\u7ea6\u5b9a&#xff1a;buffer\u4e2d\u662f\u804a\u5929\u6d88\u606f<\/span><br \/>\n                buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8f6cC\u8bed\u8a00\u98ce\u683c\u5b57\u7b26\u4e32<\/span><br \/>\n                <span class=\"token comment\">\/\/\u83b7\u53d6\u5bf9\u5e94Client<\/span><br \/>\n                InetAddr <span class=\"token function\">Clientaddr<\/span><span class=\"token punctuation\">(<\/span>peer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;get a client info: # &#034;<\/span><br \/>\n                    <span class=\"token operator\">&lt;&lt;<\/span> Clientaddr<span class=\"token punctuation\">.<\/span><span class=\"token function\">Ip<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; &#8211; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> Clientaddr<span class=\"token punctuation\">.<\/span><span class=\"token function\">Port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;: &#034;<\/span><br \/>\n                    <span class=\"token operator\">&lt;&lt;<\/span> buffer<span class=\"token punctuation\">;<\/span><\/p>\n<p>                std<span class=\"token double-colon punctuation\">::<\/span>string message <span class=\"token operator\">&#061;<\/span> buffer<span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/\u56de\u8c03(\u5c06Clientaddr\u53d1\u6765\u7684message\u901a\u8fc7_sockfd\u8f6c\u53d1\u7ed9\u7ebf\u7a0b\u6c60\u4e2d\u6bcf\u4e00\u4e2a\u7ebf\u7a0b)<\/span><br \/>\n                <span class=\"token function\">_cb<\/span><span class=\"token punctuation\">(<\/span>_sockfd<span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">,<\/span> Clientaddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u670d\u52a1\u5668\u76ee\u524d\u53ea\u9700\u6536\u6d88\u606f\u7136\u540e\u4e0a\u5c42\u56de\u8c03&#xff0c;\u56de\u6d88\u606f\u7531\u7ebf\u7a0b\u6c60\u5b8c\u6210<\/span><br \/>\n                <span class=\"token comment\">\/\/ sendto(_sockfd, result.c_str(), result.size(), 0,<\/span><br \/>\n                <span class=\"token comment\">\/\/  (struct sockaddr *)&amp;peer, len);<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4ee5\u9632\u670d\u52a1\u5668\u81ea\u5df1\u8dd1\u51fa\u6765<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _isrunning <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">ChatServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _sockfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    callback_t _cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _isrunning<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <\/p>\n<p>\u5c01\u88c5 sockaddr_in&#xff0c;\u7b80\u5316 Linux \u7f51\u7edc\u7f16\u7a0b\u7684\u5730\u5740\u5904\u7406:<\/p>\n<p><span class=\"token comment\">\/\/InetAddr.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7528\u6765\u63cf\u8ff0client socket\u4fe1\u606f\u7684\u7c7b<\/span><br \/>\n<span class=\"token comment\">\/\/ \u65b9\u4fbf\u540e\u7eed\u7528\u6765\u7ba1\u7406\u5ba2\u6237\u7aef<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/\u5b9a\u4e49\u4e00\u4e2a\u5b8f<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">Conv<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><\/span><\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">InetAddr<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Net2Host<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ntohs<\/span><span class=\"token punctuation\">(<\/span>_addr<span class=\"token punctuation\">.<\/span>sin_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _ip <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>_addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Host2Net<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_addr<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _addr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n        _addr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _addr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>_ip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">InetAddr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> sockaddr_in <span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_addr<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Net2Host<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u91cd\u8f7d\u6784\u9020\u51fd\u6570<\/span><br \/>\n    <span class=\"token comment\">\/\/ ip\u7f3a\u7701\u503c\u4e3a&#034;0.0.0.0&#034;&#xff0c;\u7ecf\u8fc7inet_addr\u8f6c\u5316\u540e\u5c31\u662fINADDR_ANY<\/span><br \/>\n    <span class=\"token function\">InetAddr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint16_t<\/span> port<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string ip <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_port<\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_ip<\/span><span class=\"token punctuation\">(<\/span>ip<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Host2Net<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/get\u65b9\u6cd5<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">Ip<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> <span class=\"token function\">Port<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span> <span class=\"token function\">Addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">Conv<\/span><span class=\"token punctuation\">(<\/span>_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    socklen_t <span class=\"token function\">Lenth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u7528\u6237\u5730\u5740\u662f\u5426\u76f8\u7b49<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token keyword\">operator<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> InetAddr <span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_ip <span class=\"token operator\">&#061;&#061;<\/span> addr<span class=\"token punctuation\">.<\/span>_ip <span class=\"token operator\">&amp;&amp;<\/span> _port <span class=\"token operator\">&#061;&#061;<\/span> addr<span class=\"token punctuation\">.<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/for debug _addr\u4fe1\u606f\u8f6c\u4e3a\u5b57\u7b26\u4e32<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token function\">ToString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _ip <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;-&#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>_port<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">InetAddr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7f51\u7edc\u98ce\u683c\u5730\u5740<\/span><br \/>\n    sockaddr_in _addr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e3b\u673a\u98ce\u683c\u5730\u5740<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>string _ip<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint16_t<\/span> _port<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u7ba1\u7406\u5728\u7ebf\u7528\u6237 &#043; \u628a\u4e00\u4e2a\u4eba\u53d1\u7684\u6d88\u606f\u8f6c\u53d1\u7ed9\u6240\u6709\u4eba:<\/p>\n<p><span class=\"token comment\">\/\/Route.hpp<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;InetAddr.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7528\u4e8e\u7ef4\u62a4\u6240\u6709\u5728\u7ebf\u7528\u6237<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Route<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u7528\u4e8e\u5224\u65ad\u7528\u6237\u662f\u5426\u5b58\u5728<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsExists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> InetAddr <span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>user <span class=\"token operator\">:<\/span> _online_user<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>user <span class=\"token operator\">&#061;&#061;<\/span> addr<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">AddUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> InetAddr <span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">IsExists<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            _online_user<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SendMessageToAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>message<span class=\"token punctuation\">,<\/span> InetAddr addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>user <span class=\"token operator\">:<\/span> _online_user<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>LogLevel<span class=\"token double-colon punctuation\">::<\/span>DEBUG<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;route [&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span>  message <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;] to &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> user<span class=\"token punctuation\">.<\/span><span class=\"token function\">ToString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            std<span class=\"token double-colon punctuation\">::<\/span>string info <span class=\"token operator\">&#061;<\/span> addr<span class=\"token punctuation\">.<\/span><span class=\"token function\">ToString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            info <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#034;# &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            info <span class=\"token operator\">&#043;&#061;<\/span> message<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> info<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> info<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> user<span class=\"token punctuation\">.<\/span><span class=\"token function\">Addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> user<span class=\"token punctuation\">.<\/span><span class=\"token function\">Lenth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DeleteUser<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>message<span class=\"token punctuation\">,<\/span> InetAddr addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/\u6743\u5b9c\u4e4b\u8ba1&#xff0c;\u540e\u7eed\u7528\u534f\u8bae\u5224\u65ad\u624d\u662f\u6700\u4f73\u5b9e\u8df5<\/span><br \/>\n        <span class=\"token comment\">\/\/\u8fd9\u91cc\u5e94\u8be5\u7528message\u548c&#034;QUIT&#034;\u8fdb\u884c\u6bd4\u8f83&#xff0c;\u800c\u4e0d\u662fmessage.c_str()<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>message <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;QUIT&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/!\u8fd9\u91cc\u4e0d\u80fd\u7528\u8303\u56f4for&#xff0c;\u5728\u8303\u56f4for\u91ccerase\u4f1a\u5bfc\u81f4\u8fed\u4ee3\u5668\u5931\u6548&#xff01;<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _online_user<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/\u8fed\u4ee3\u5668\u904d\u5386\u5e94\u8be5\u7528!&#061;&#xff0c;\u800c\u4e0d\u662f&lt;&#061;<\/span><br \/>\n            <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">;<\/span> iter <span class=\"token operator\">!&#061;<\/span> _online_user<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> iter<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> addr<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    _online_user<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RouteMessageToAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>message<span class=\"token punctuation\">,<\/span> InetAddr addr<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">AddUser<\/span><span class=\"token punctuation\">(<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">SendMessageToAll<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">,<\/span> addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">DeleteUser<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ void RouteMessageToOne(int sockfd, std::string &amp;message, InetAddr addr)<\/span><br \/>\n    <span class=\"token comment\">\/\/ {<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ }<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/\u4e34\u754c\u8d44\u6e90<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>InetAddr<span class=\"token operator\">&gt;<\/span> _online_user<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ServerMain.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ThreadPool.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Route.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ChatServer.hpp&#034;<\/span> <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u7ebf\u7a0b\u6c60\u4efb\u52a1\u9ed8\u8ba4\u65e0\u53c2\u65e0\u8fd4\u56de\u503c<\/span><br \/>\n<span class=\"token keyword\">using<\/span> task_t <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">EnableConsoleLogStrategy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">uint16_t<\/span> port <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/1\u3001\u6d88\u606f\u8f6c\u53d1\u529f\u80fd<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>Route<span class=\"token operator\">&gt;<\/span> r <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_unique<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>Route<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/2\u3001\u5b9a\u4e49\u7ebf\u7a0b\u6c60\u5bf9\u8c61<\/span><br \/>\n    ThreadPool<span class=\"token operator\">&lt;<\/span>task_t<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">*<\/span>tp <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">ThreadPool<\/span><span class=\"token operator\">&lt;<\/span>task_t<span class=\"token operator\">&gt;<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">GetInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    std<span class=\"token double-colon punctuation\">::<\/span>unique_ptr<span class=\"token operator\">&lt;<\/span>ChatServer<span class=\"token operator\">&gt;<\/span> usvr <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token generic-function\"><span class=\"token function\">make_unique<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>ChatServer<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>port<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&amp;<\/span>r<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>tp<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> sockfd<span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string message<span class=\"token punctuation\">,<\/span> InetAddr <span class=\"token operator\">&amp;<\/span>addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            task_t task <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Route<span class=\"token double-colon punctuation\">::<\/span>RouteMessageToAll<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n             sockfd<span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">,<\/span> addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            tp<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Enqueue<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    usvr<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4fee\u6539\u5ba2\u6237\u7aef&#xff1a; \u76ee\u524d\u5ba2\u6237\u7aef\u5b58\u5728\u4e00\u4e2a\u95ee\u9898&#xff0c;\u56e0\u4e3a\u5ba2\u6237\u7aef\u662f\u5355\u7ebf\u7a0b\u7684&#xff0c;\u6240\u4ee5\u5f53\u7528\u6237\u4e0d\u53d1\u6d88\u606f\u65f6\u5ba2\u6237\u7aef\u7ebf\u7a0b\u4f1a\u5728sendto\u5904\u88ab\u963b\u585e&#xff0c;\u90a3\u4e48\u5c31\u65e0\u6cd5\u901a\u8fc7recvfrom\u8bfb\u53d6\u5176\u4ed6\u7528\u6237\u53d1\u7684\u6d88\u606f&#xff0c;\u6240\u4ee5\u9700\u8981\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6539\u8fdb&#xff0c;\u5c31\u7b97\u5ba2\u6237\u7aef\u7528\u6237\u4e0d\u53d1\u6d88\u606f\u4e5f\u80fd\u770b\u5230\u5176\u4ed6\u7528\u6237\u7684\u6d88\u606f\u3002 \u89e3\u51b3\u65b9\u6848\u662f\u5728\u5ba2\u6237\u7aef\u4e5f\u5f15\u5165\u591a\u7ebf\u7a0b&#xff0c;\u8ba9\u7ebf\u7a0b\u5e76\u53d1\u6267\u884c\u5199sendto\u548c\u8bfbrecvfrom&#xff0c;\u8fd9\u5c31\u662fudp\u7684\u5168\u53cc\u5de5\u5e94\u7528\u8868\u73b0\u3002<\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u7528C&#043;&#043;\u5185\u90e8\u7684thread\u6765\u5b9e\u73b0\u5ba2\u6237\u7aef\u591a\u7ebf\u7a0b\u3002<\/p>\n<p><span class=\"token comment\">\/\/ChatClient.cc<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;thread&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string proc<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ proc\u8868\u793a\u7c7b\u4f3c\u4e8e .\/client<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Usage: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> proc <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;localip localpoat&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>string serverip<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">uint16_t<\/span> serverport<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">InitClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> std<span class=\"token double-colon punctuation\">::<\/span>string <span class=\"token operator\">&amp;<\/span>serverip<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint16_t<\/span> serverport<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><\/p>\n<p>    sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;create socket error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">recver<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> temp<span class=\"token punctuation\">;<\/span><br \/>\n        socklen_t len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>temp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> m <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                         <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>temp<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>m <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8bfb\u6210\u529f<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span>m<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">sender<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> server<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7528\u6765\u544a\u8bc9\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u8fd9\u4e2a\u5957\u63a5\u5b57\u4f7f\u7528IPv4\u5730\u5740\u683c\u5f0f\u6765\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span>serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span>serverip<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Please Enter&#064; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>string line<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">getline<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token double-colon punctuation\">::<\/span>cin<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8bfb\u53d6\u5ba2\u6237\u7aef\u8f93\u5165\u5e76\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5199<\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> line<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n               <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>server<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>argc <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Usage<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u63d0\u53d6\u547d\u4ee4\u884c\u53c2\u6570<\/span><br \/>\n    serverip <span class=\"token operator\">&#061;<\/span> argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    serverport <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">stoi<\/span><span class=\"token punctuation\">(<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u5ba2\u6237\u7aef<\/span><br \/>\n    <span class=\"token function\">InitClient<\/span><span class=\"token punctuation\">(<\/span>serverip<span class=\"token punctuation\">,<\/span> serverport<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u4e24\u4e2a\u7ebf\u7a0b<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>thread <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>recver<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>thread <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>sender<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ebf\u7a0b\u7b49\u5f85<\/span><br \/>\n    recv<span class=\"token punctuation\">.<\/span><span class=\"token function\">join<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    send<span class=\"token punctuation\">.<\/span><span class=\"token function\">join<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u56db\u3001windows\u548clinux\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1<\/h2>\n<p>\u6211\u4eec\u524d\u9762\u5df2\u7ecf\u5b9e\u73b0\u4e86\u7528linux\u505a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u8fdb\u884c\u901a\u4fe1&#xff0c;\u4f46\u662f\u6211\u4eec\u73b0\u5b9e\u4e2d\u8fd8\u662fwindows\u505a\u5ba2\u6237\u7aef\u548clinux\u505a\u670d\u52a1\u7aef\u66f4\u5e38\u89c1&#xff0c;\u6240\u4ee5\u6211\u4eec\u63a5\u4e0b\u6765\u4ecb\u7ecdwindows\u548clinux\u4e4b\u95f4\u5982\u4f55\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u3002 \u5176\u5b9e\u5b9e\u73b0windows\u548clinux\u4e4b\u95f4\u7684\u7f51\u7edc\u901a\u4fe1\u5f88\u7b80\u5355&#xff0c;\u56e0\u4e3a\u6211\u4eec\u77e5\u9053windows\u548clinux\u5171\u4eab\u540c\u4e00\u5957\u7f51\u7edc\u534f\u8bae\u6808&#xff0c;\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u63d0\u524d\u4e0b\u7ed3\u8bba&#xff0c;\u5f53\u4e24\u4e2a\u5e73\u53f0\u8fdb\u884c\u901a\u4fe1\u65f6&#xff0c;\u5b83\u4eec\u7684socket\u63a5\u53e3\u57fa\u672c\u662f\u4e00\u6837\u7684\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191915-6a63bab3d66c5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u4ee5\u4e0a\u5c31\u662f\u5c0f\u7f16\u5206\u4eab\u7684\u5168\u90e8\u5185\u5bb9\u4e86&#xff0c;\u5982\u679c\u89c9\u5f97\u4e0d\u9519\u8fd8\u8bf7\u7559\u4e0b\u514d\u8d39\u7684\u8d5e\u548c\u6536\u85cf \u5982\u679c\u6709\u5efa\u8bae\u6b22\u8fce\u901a\u8fc7\u8bc4\u8bba\u533a\u6216\u79c1\u4fe1\u7559\u8a00&#xff0c;\u611f\u8c22\u60a8\u7684\u5927\u529b\u652f\u6301\u3002 \u4e00\u952e\u4e09\u8fde\u597d\u8fd0\u8fde\u8fde\u54e6~~ <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191916-6a63bab4b143a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55\u4e00\u3001V1 \u7248\u672c &#8211; echo serverUdpServer\u521d\u59cb\u5316\u5957\u63a5\u5b57&#xff08;Init&#xff09;\u7cfb\u7edf\u8c03\u7528socketbind\u5f00\u59cb\u901a\u4fe1&#xff08;Start&#xff09;\u670d\u52a1\u7aef\u6e90\u7801-V1UdpClient\u6e90\u7801\u6d4b\u8bd5\u4ee3\u7801\u6ce8\u610f\u4e8b\u9879\u5b8c\u6574\u6e90\u7801\u4e8c\u3001V2 \u7248\u672c &#8211; DictionaryServer\u6e90\u7801\u4e09\u3001V3 \u7248\u672c &#8211; ChatSystemDemo\u56db\u3001windows\u548clinux\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u4e00\u3001V1 \u7248\u672c &#8211; echo server<br \/>\nUdpServer<br \/>\n\u670d\u52a1\u7aef<\/p>\n","protected":false},"author":2,"featured_media":81601,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,193,43],"topic":[],"class_list":["post-81612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-udp","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Linux\u3011Socket\u7f16\u7a0bUDP Echo \u670d\u52a1\u5668\u2192\u7ffb\u8bd1\u670d\u52a1\u5668\u2192\u591a\u4eba\u804a\u5929\u5ba4 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/81612.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Linux\u3011Socket\u7f16\u7a0bUDP Echo \u670d\u52a1\u5668\u2192\u7ffb\u8bd1\u670d\u52a1\u5668\u2192\u591a\u4eba\u804a\u5929\u5ba4 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u76ee\u5f55\u4e00\u3001V1 \u7248\u672c - echo serverUdpServer\u521d\u59cb\u5316\u5957\u63a5\u5b57&#xff08;Init&#xff09;\u7cfb\u7edf\u8c03\u7528socketbind\u5f00\u59cb\u901a\u4fe1&#xff08;Start&#xff09;\u670d\u52a1\u7aef\u6e90\u7801-V1UdpClient\u6e90\u7801\u6d4b\u8bd5\u4ee3\u7801\u6ce8\u610f\u4e8b\u9879\u5b8c\u6574\u6e90\u7801\u4e8c\u3001V2 \u7248\u672c - DictionaryServer\u6e90\u7801\u4e09\u3001V3 \u7248\u672c - ChatSystemDemo\u56db\u3001windows\u548clinux\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u4e00\u3001V1 \u7248\u672c - echo server UdpServer \u670d\u52a1\u7aef\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/81612.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-24T19:19:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260724191912-6a63bab0b045b.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 \u5206\" \/>\n<script type=\"application\/ld+json\" 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