{"id":8681,"date":"2025-04-18T16:52:55","date_gmt":"2025-04-18T08:52:55","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/8681.html"},"modified":"2025-04-18T16:52:55","modified_gmt":"2025-04-18T08:52:55","slug":"%e3%80%90linux%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e3%80%91%e7%ac%ac%e5%9b%9b%e5%bc%b9-%e6%9e%84%e5%bb%baudp%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ad%97%e5%85%b8%e7%bf%bb%e8%af%91%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/8681.html","title":{"rendered":"\u3010Linux\u7f51\u7edc\u7f16\u7a0b\u3011\u7b2c\u56db\u5f39---\u6784\u5efaUDP\u670d\u52a1\u5668\u4e0e\u5b57\u5178\u7ffb\u8bd1\u7cfb\u7edf\uff1a\u6e90\u7801\u7ed3\u6784\u4e0e\u5173\u952e\u7ec4\u4ef6\u89e3\u6790"},"content":{"rendered":"

\u2728\u4e2a\u4eba\u4e3b\u9875：<\/span>\u00a0\u71ac\u591c\u5b66\u7f16\u7a0b\u7684\u5c0f\u6797<\/p>\n

💗\u7cfb\u5217\u4e13\u680f：\u00a0<\/span>\u3010C\u8bed\u8a00\u8be6\u89e3\u3011\u00a0\u3010\u6570\u636e\u7ed3\u6784\u8be6\u89e3\u3011\u3010C++\u8be6\u89e3\u3011\u3010Linux\u7cfb\u7edf\u7f16\u7a0b\u3011\u3010Linux\u7f51\u7edc\u7f16\u7a0b\u3011<\/p>\n

\u76ee\u5f55<\/p>\n

1\u3001UdpServer.hpp<\/p>\n

1.1\u3001\u51fd\u6570\u5bf9\u8c61\u58f0\u660e<\/p>\n

1.2\u3001Server\u7c7b\u57fa\u672c\u7ed3\u6784<\/p>\n

1.3\u3001\u6784\u9020\u51fd\u6570<\/p>\n

1.4\u3001Start()<\/p>\n

2\u3001Dict.hpp<\/p>\n

2.1\u3001\u57fa\u672c\u7ed3\u6784<\/p>\n

2.2\u3001\u52a0\u8f7d\u5b57\u5178\u6587\u4ef6<\/p>\n

2.3\u3001\u6784\u9020\u51fd\u6570<\/p>\n

2.4\u3001\u7ffb\u8bd1\u51fd\u6570<\/p>\n

2.5\u3001dict.txt<\/p>\n

3\u3001UdpServerMain.cc<\/p>\n

4\u3001\u5b8c\u6574\u6e90\u7801<\/p>\n

4.1\u3001Dict.hpp<\/p>\n

4.2\u3001dict.txt<\/p>\n

4.3\u3001InetAddr.hpp<\/p>\n

4.4\u3001LockGuard.hpp<\/p>\n

4.5\u3001Log.hpp<\/p>\n

4.6\u3001Makefile<\/p>\n

4.7\u3001nocopy.hpp<\/p>\n

4.8\u3001UdpClientMain.cc<\/p>\n

4.9\u3001UdpServerMain.cc<\/p>\n

\n

\u4e0a\u4e00\u5f39\u6211\u4eec\u80fd\u591f\u5b8c\u6210\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u7684\u6b63\u5e38\u901a\u4fe1，\u4f46\u662f\u6211\u4eec\u5728\u5b9e\u9645\u751f\u6d3b\u4e2d\u4e0d\u4ec5\u4ec5\u662f\u8981\u8fdb\u884c\u901a\u4fe1，\u8fd8\u9700\u8981\u5b8c\u6210\u67d0\u79cd\u529f\u80fd，\u6b64\u5f39\u5b9e\u73b0\u4e00\u4e2a\u82f1\u6587\u7ffb\u8bd1\u6210\u4e2d\u6587\u7248\u670d\u52a1\u7aef！！<\/p>\n

\u6ce8\u610f：\u6b64\u5f39\u5185\u5bb9\u7684\u5b9e\u73b0\u662f\u5728\u4e0a\u4e00\u5f39\u7684\u539f\u59cb\u4ee3\u7801\u57fa\u7840\u4e0a\u4fee\u6539\u7684！！<\/span><\/p>\n

1\u3001UdpServer.hpp<\/h2>\n

Server\u7c7b\u7684\u57fa\u672c\u5b9e\u73b0\u6ca1\u53d8，\u4f46\u662f\u8981\u589e\u52a0\u5b9e\u73b0\u4e2d\u82f1\u6587\u7ffb\u8bd1\u6210\u4e2d\u6587\u529f\u80fd\u7684\u6267\u884c\u51fd\u6570(\u5373\u51fd\u6570\u7c7b\u578b\u6210\u5458\u53d8\u91cf)，\u5e76\u9002\u5f53\u8c03\u6574\u6784\u9020\u51fd\u6570\u548c\u542f\u52a8\u51fd\u6570！！！<\/p>\n

1.1\u3001\u51fd\u6570\u5bf9\u8c61\u58f0\u660e<\/h3>\n

\u6b64\u5904\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u82f1\u6587\u7ffb\u8bd1\u6210\u4e2d\u6587\u7684\u6267\u884c\u51fd\u6570，\u56e0\u6b64\u51fd\u6570\u53c2\u6570\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32，\u8fd4\u56de\u503c\u4e5f\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32！！！<\/p>\n

\/\/ \u58f0\u660e\u51fd\u6570\u5bf9\u8c61
\nusing func_t = std::function<std::string(std::string)>; <\/p>\n

1.2\u3001Server\u7c7b\u57fa\u672c\u7ed3\u6784<\/h3>\n

\u57fa\u672c\u7ed3\u6784\u4e0e\u4e0a\u4e00\u5f39\u7684Server\u7c7b\u57fa\u672c\u4e00\u81f4，\u53ea\u589e\u52a0\u4e86\u51fd\u6570\u5bf9\u8c61\u7c7b\u578b！！！<\/p>\n

class UdpServer : public nocopy
\n{
\npublic:
\n UdpServer(func_t func,uint16_t localport = glocalport);
\n void InitServer();
\n void Start();
\n ~UdpServer();
\nprivate:
\n int _sockfd; \/\/ \u6587\u4ef6\u63cf\u8ff0\u7b26
\n uint16_t _localport; \/\/ \u7aef\u53e3\u53f7
\n bool _isrunning;<\/p>\n

func_t _func; \/\/ \u6267\u884c\u76f8\u5e94\u51fd\u6570
\n}; <\/p>\n

1.3\u3001\u6784\u9020\u51fd\u6570<\/h3>\n

\u00a0\u6784\u9020\u51fd\u6570\u53ea\u9700\u589e\u52a0\u4e00\u4e2a\u51fd\u6570\u5bf9\u8c61\u53c2\u6570，\u521d\u59cb\u5316\u5217\u8868\u521d\u59cb\u5316\u53d8\u91cf<\/span>\u5373\u53ef！！！<\/p>\n

UdpServer(func_t func,uint16_t localport = glocalport)
\n : _func(func), _sockfd(gsockfd), _localport(localport), _isrunning(false)
\n{
\n} <\/p>\n

1.4\u3001Start()<\/h3>\n

\u4e0a\u4e00\u5f39<\/span>\u7684Start()\u51fd\u6570\u662f\u5148\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u6d88\u606f，\u7136\u540e\u5c06\u5ba2\u6237\u7aef\u7684\u6d88\u606f\u53d1\u9001\u56de\u53bb<\/span>；\u6b64\u5f39<\/span>\u662f\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u82f1\u6587\u5355\u8bcd，\u7136\u540e\u670d\u52a1\u7aef\u7ffb\u8bd1\u6210\u4e2d\u6587，\u7136\u540e\u5c06\u4e2d\u6587\u53d1\u9001\u56de\u53bb<\/span>！！！<\/p>\n

void Start()
\n{
\n _isrunning = true;
\n char inbuffer[1024];
\n while (_isrunning)
\n {
\n \/\/ sleep(1);
\n struct sockaddr_in peer;
\n socklen_t len = sizeof(peer);
\n \/\/ \u63a5\u6536\u5ba2\u6237\u7aef\u7684\u82f1\u6587\u5355\u8bcd
\n ssize_t n = recvfrom(_sockfd, inbuffer, sizeof(inbuffer) – 1, 0, (struct sockaddr *)&peer, &len);
\n if (n > 0)
\n {
\n InetAddr addr(peer);
\n inbuffer[n] = 0;
\n \/\/ \u4e00\u4e2a\u4e00\u4e2a\u7684\u5355\u8bcd
\n std::cout << "[" << addr.Ip() << ":" << addr.Port() << "]# " << inbuffer << std::endl;<\/p>\n

std::string result = _func(inbuffer); \/\/ \u6267\u884c\u7ffb\u8bd1\u529f\u80fd<\/p>\n

\/\/ \u5c06\u7ffb\u8bd1\u7684\u4e2d\u6587\u7ed3\u679c\u53d1\u56de\u5ba2\u6237\u7aef
\n sendto(_sockfd,result.c_str(),result.size(),0,(struct sockaddr *)&peer,len);
\n }
\n }
\n} <\/p>\n

2\u3001Dict.hpp<\/h2>\n

Dict\u7c7b<\/span>\u6267\u884c\u52a0\u8f7d\u5b57\u5178\u6587\u4ef6\u548c\u6267\u884c\u7ffb\u8bd1<\/span>\u7684\u529f\u80fd！！<\/p>\n

2.1\u3001\u57fa\u672c\u7ed3\u6784<\/h3>\n

Dict\u6210\u5458\u5305\u542b\u4e00\u4e2a\u5b58\u50a8\u5b57\u5178\u7684KV\u7ed3\u6784\u548c\u4e00\u4e2a\u6587\u4ef6\u8def\u5f84<\/span>！<\/p>\n

class Dict
\n{
\nprivate:
\n \/\/ \u52a0\u8f7d\u5b57\u5178\u6587\u4ef6
\n void LoadDict(const std::string& path);
\npublic:
\n \/\/ \u6784\u9020
\n Dict(const std::string& dict_path);
\n \/\/ \u82f1\u8bed\u7ffb\u8bd1\u4e3a\u4e2d\u6587
\n std::string Translate(std::string word);
\n ~Dict()
\n {}
\nprivate:
\n std::unordered_map<std::string, std::string> _dict; \/\/ \u5b57\u5178\u7ed3\u6784
\n std::string _dict_path; \/\/ \u6587\u4ef6\u8def\u5f84
\n}; <\/p>\n

2.2\u3001\u52a0\u8f7d\u5b57\u5178\u6587\u4ef6<\/h3>\n

\u6ce8\u610f：\u6b64\u5904\u7684\u5b57\u5178\u6587\u4ef6\u662f\u4ee5\u5192\u53f7 + \u7a7a\u683c\u6765\u5206\u5272\u82f1\u6587\u4e0e\u4e2d\u6587\u7684！<\/span><\/p>\n

\u52a0\u8f7d\u5b57\u5178\u6587\u4ef6\u7684\u672c\u8d28\u662f\u4ee5KV\u7684\u5f62\u5f0f\u5c06\u82f1\u6587\u5355\u8bcd\u548c\u4e2d\u6587\u7ffb\u8bd1\u63d2\u5165\u5230_dict\u54c8\u5e0c\u8868\u4e2d！<\/p>\n

\u00a0\u52a0\u8f7d\u6587\u4ef6\u5305\u542b3\u4e2a\u5927\u7684\u6b65\u9aa4：<\/p>\n