{"id":18012,"date":"2025-04-19T00:28:04","date_gmt":"2025-04-18T16:28:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18012.html"},"modified":"2025-04-19T00:28:04","modified_gmt":"2025-04-18T16:28:04","slug":"%e6%8e%8c%e6%8f%a1socket%e7%bc%96%e7%a8%8b%ef%bc%9a%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e9%80%9a%e4%bf%a1%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18012.html","title":{"rendered":"\u638c\u63e1Socket\u7f16\u7a0b\uff1a\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u901a\u4fe1\u673a\u5236"},"content":{"rendered":"

\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\"<\/p>\n

\u7b80\u4ecb：Socket\u7f16\u7a0b\u662f\u7f51\u7edc\u901a\u4fe1\u7684\u5173\u952e\u6280\u672f，\u5141\u8bb8\u670d\u52a1\u5668\u901a\u8fc7\u63d2\u53e3\u8bc6\u522b\u548c\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002\u672c\u6587\u4ecb\u7ecdSocket\u7f16\u7a0b\u7684\u57fa\u672c\u6b65\u9aa4\u548c\u6982\u5ff5，\u5982\u521b\u5efaSocket\u3001\u5efa\u7acb\u8fde\u63a5\u3001\u6570\u636e\u4f20\u8f93\u3001\u5173\u95ed\u8fde\u63a5\u548c\u5f02\u5e38\u5904\u7406\u3002\u7406\u89e3Socket\u7f16\u7a0b\u5bf9\u4e8e\u5f00\u53d1\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981，\u5e38\u7528\u6982\u5ff5\u5305\u62ec\u7aef\u53e3\u53f7\u3001\u5957\u63a5\u5b57\u5730\u5740\u3001I\/O\u6d41\u3001\u963b\u585e\u4e0e\u975e\u963b\u585e\u6a21\u5f0f，\u4ee5\u53ca\u591a\u7ebf\u7a0b\/\u5f02\u6b65\u5904\u7406\u3002\u9ad8\u7ea7\u529f\u80fd\u548c\u6027\u80fd\u63d0\u5347\u53ef\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u5982Netty\u3001Grizzly\u7b49\u5b9e\u73b0\u3002 \"socket\u7f16\u7a0b\u5c31\u662f\u670d\u52a1\u5668\u8fa8\u522b\u5ba2\u6237\u7aef\u7684\u4e00\u4e2a\u63d2\u53e3\"<\/p>\n

1. Socket\u7f16\u7a0b\u7b80\u4ecb <\/h2>\n

\u5728\u4fe1\u606f\u6280\u672f\u98de\u901f\u53d1\u5c55\u7684\u4eca\u5929，\u7f51\u7edc\u7f16\u7a0b\u5df2\u6210\u4e3a\u5f00\u53d1\u4eba\u5458\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u80fd\u4e4b\u4e00\u3002\u7f51\u7edc\u7f16\u7a0b\u7684\u6838\u5fc3\u5c31\u662fSocket\u7f16\u7a0b\u3002Socket\u662f\u4e00\u79cd\u7f16\u7a0b\u63a5\u53e3，\u5b83\u5141\u8bb8\u6211\u4eec\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u65e0\u8bba\u662f\u5728Web\u670d\u52a1\u3001\u6e38\u620f\u670d\u52a1\u5668\u3001\u804a\u5929\u5e94\u7528，\u8fd8\u662f\u7269\u8054\u7f51\u8bbe\u5907\u4e2d，Socket\u90fd\u626e\u6f14\u7740\u6865\u6881\u7684\u89d2\u8272\u3002 <\/p>\n

1.1 \u7406\u89e3Socket\u7684\u57fa\u672c\u6982\u5ff5 <\/h3>\n

Socket\u7f16\u7a0b\u8d77\u6e90\u4e8eUnix\u7cfb\u7edf，\u662f\u4e00\u79cd\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u901a\u4fe1\u7684\u7f16\u7a0b\u65b9\u6cd5\u3002\u5728Socket\u6a21\u578b\u4e2d，\u4e00\u4e2aSocket\u88ab\u89c6\u4e3a\u901a\u4fe1\u7aef\u70b9，\u901a\u8fc7IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u8bc6\u522b\u7f51\u7edc\u4e2d\u7684\u552f\u4e00\u901a\u4fe1\u5b9e\u4f53\u3002 <\/p>\n

1.2 Socket\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u5730\u4f4d <\/h3>\n

\u5728\u6784\u5efa\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u67b6\u6784\u7684\u5e94\u7528\u65f6，Socket\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u53cc\u5411\u901a\u4fe1\u3002\u670d\u52a1\u5668\u7aef\u7684Socket\u76d1\u542c\u7279\u5b9a\u7aef\u53e3，\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002\u4e00\u65e6\u8fde\u63a5\u5efa\u7acb，\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5373\u53ef\u4ea4\u6362\u6570\u636e，\u5b8c\u6210\u4fe1\u606f\u7684\u53cc\u5411\u6d41\u52a8\u3002 <\/p>\n

\u8981\u5f00\u59cb\u8fdb\u884cSocket\u7f16\u7a0b，\u6211\u4eec\u9700\u8981\u7406\u89e3\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406Socket，\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u5b83\u4eec\u6765\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u8fd9\u662f\u63a5\u4e0b\u6765\u7ae0\u8282\u6240\u8981\u63a2\u8ba8\u7684，\u8ba9\u6211\u4eec\u4e00\u8d77\u6df1\u5165\u5b66\u4e60Socket\u7f16\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6\u3002 <\/p>\n

2. \u521b\u5efaSocket\u8fc7\u7a0b <\/h2>\n

2.1 \u7406\u89e3Socket\u7684\u5b9a\u4e49\u548c\u4f5c\u7528 <\/h4>\n

2.1.1 Socket\u7684\u57fa\u672c\u6982\u5ff5 <\/h5>\n

Socket（\u5957\u63a5\u5b57）\u662f\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u5e94\u7528\u7684\u4e00\u79cd\u7f16\u7a0b\u63a5\u53e3（API），\u5b83\u5141\u8bb8\u6570\u636e\u5728\u4e24\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u4f20\u8f93，\u800c\u4e0d\u7ba1\u8fd9\u4e9b\u8fdb\u7a0b\u662f\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\u8fd8\u662f\u901a\u8fc7\u7f51\u7edc\u8fde\u63a5\u7684\u4e0d\u540c\u8ba1\u7b97\u673a\u4e0a\u3002\u5728\u4e92\u8054\u7f51\u4e2d，Socket\u901a\u8fc7IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u6765\u6807\u8bc6\u7f51\u7edc\u4e0a\u7684\u552f\u4e00\u901a\u4fe1\u7aef\u70b9\u3002 <\/p>\n

Socket\u901a\u5e38\u6d89\u53ca\u4e24\u79cd\u4e0d\u540c\u7684\u7c7b\u578b：\u6570\u636e\u62a5\u6587Socket（UDP）\u548c\u6d41\u5f0fSocket（TCP）\u3002UDP\u9002\u5408\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528，\u6bd4\u5982\u89c6\u9891\u6216\u97f3\u9891\u6d41，\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u5efa\u7acb\u7a33\u5b9a\u7684\u8fde\u63a5，\u4e14\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5f00\u9500\u8f83\u5c0f\u3002\u800cTCP\u5219\u9002\u7528\u4e8e\u8981\u6c42\u6570\u636e\u5b8c\u6574\u6027\u548c\u53ef\u9760\u6027\u7684\u5e94\u7528，\u5982\u6587\u4ef6\u4f20\u8f93\u548c\u7535\u5b50\u90ae\u4ef6，\u56e0\u4e3a\u5b83\u901a\u8fc7\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u7a33\u5b9a\u7684\u8fde\u63a5，\u5e76\u63d0\u4f9b\u6d41\u91cf\u63a7\u5236\u3001\u987a\u5e8f\u63a7\u5236\u548c\u9519\u8bef\u68c0\u6d4b\u91cd\u4f20\u7b49\u673a\u5236\u3002 <\/p>\n

2.1.2 Socket\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u5730\u4f4d <\/h5>\n

\u5728\u7f51\u7edc\u901a\u4fe1\u4e2d，Socket\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u7684\u63a5\u53e3，\u5141\u8bb8\u4e0d\u540c\u7f51\u7edc\u548c\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u8fdb\u884c\u901a\u4fe1\u3002\u5f00\u53d1\u8005\u901a\u8fc7Socket API\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5957\u63a5\u5b57，\u5e76\u901a\u8fc7\u5b83\u6765\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e\u3002 <\/p>\n

\u5728\u5e94\u7528\u5c42，Socket\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u4e0e\u4f20\u8f93\u5c42\u534f\u8bae（\u5982TCP\u6216UDP）\u4e4b\u95f4\u7684\u6865\u6881，\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e00\u7ec4\u7b80\u6d01\u7684\u8c03\u7528\u63a5\u53e3\u6765\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u3002\u8fd9\u6837，\u5f00\u53d1\u8005\u53ef\u4ee5\u4e0d\u5fc5\u6df1\u5165\u4e86\u89e3\u5e95\u5c42\u7f51\u7edc\u534f\u8bae\u7684\u590d\u6742\u7ec6\u8282，\u4ec5\u901a\u8fc7\u7b80\u5355\u7684\u51fd\u6570\u8c03\u7528\u5c31\u80fd\u5b9e\u73b0\u7f51\u7edc\u95f4\u7684\u901a\u4fe1\u3002 <\/p>\n

2.2 \u7f16\u5199\u670d\u52a1\u5668\u7aefSocket\u4ee3\u7801 <\/h4>\n

2.2.1 \u670d\u52a1\u5668\u7aefSocket\u7684\u521b\u5efa\u65b9\u6cd5 <\/h5>\n

\u521b\u5efa\u670d\u52a1\u5668\u7aefSocket\u6d89\u53ca\u5230\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4，\u9996\u5148\u662f\u521b\u5efaSocket\u672c\u8eab，\u7136\u540e\u7ed1\u5b9a\u5230\u4e00\u4e2a\u5730\u5740\u548c\u7aef\u53e3\u4e0a，\u6700\u540e\u76d1\u542c\u8fd9\u4e2a\u7aef\u53e3\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u3002\u5728TCP\/IP\u534f\u8bae\u65cf\u4e2d，\u670d\u52a1\u5668\u7aefSocket\u7684\u521b\u5efa\u53ef\u4ee5\u901a\u8fc7\u6807\u51c6\u7684\u5e93\u51fd\u6570\u6765\u5b8c\u6210，\u5982\u5728C\u8bed\u8a00\u4e2d\u4f7f\u7528 socket \u51fd\u6570\u3002 <\/p>\n

#include <sys\/socket.h>
\n#include <netinet\/in.h>
\n#include <unistd.h><\/p>\n

int server_fd;
\nstruct sockaddr_in server_address;<\/p>\n

server_fd = socket(AF_INET, SOCK_STREAM, 0); \/\/ \u521b\u5efaTCP Socket
\nif (server_fd == -1) {
\n perror("socket");
\n exit(EXIT_FAILURE);
\n}<\/p>\n

\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d， socket \u51fd\u6570\u7684\u53c2\u6570 AF_INET \u6307\u5b9a\u4f7f\u7528IPv4\u5730\u5740\u65cf， SOCK_STREAM \u6307\u5b9a\u4f7f\u7528\u9762\u5411\u8fde\u63a5\u7684TCP\u534f\u8bae\u3002\u51fd\u6570\u8c03\u7528\u6210\u529f\u5219\u8fd4\u56de\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26 server_fd ，\u7528\u4e8e\u540e\u7eed\u64cd\u4f5c\u3002 <\/p>\n

2.2.2 \u7ed1\u5b9aIP\u5730\u5740\u548c\u7aef\u53e3\u53f7 <\/h5>\n

\u4e00\u65e6\u521b\u5efa\u4e86Socket，\u63a5\u4e0b\u6765\u9700\u8981\u8ba9\u8fd9\u4e2aSocket\u76d1\u542c\u7279\u5b9a\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002\u8fd9\u4e00\u6b65\u79f0\u4e3a\u7ed1\u5b9a（binding），\u5728C\u8bed\u8a00\u4e2d\u4f7f\u7528 bind \u51fd\u6570\u6765\u5b9e\u73b0\u3002 <\/p>\n

memset(&server_address, 0, sizeof(server_address)); \/\/ \u6e05\u96f6sockaddr_in\u7ed3\u6784\u4f53
\nserver_address.sin_family = AF_INET; \/\/ \u4f7f\u7528IPv4\u5730\u5740\u65cf
\nserver_address.sin_addr.s_addr = INADDR_ANY; \/\/ \u63a5\u53d7\u4efb\u4f55IP\u5730\u5740
\nserver_address.sin_port = htons(12345); \/\/ \u6307\u5b9a\u7aef\u53e3\u53f712345，htons\u51fd\u6570\u7528\u4e8e\u7aef\u53e3\u8f6c\u6362<\/p>\n

if (bind(server_fd, (struct sockaddr *)&server_address, sizeof(server_address)) == -1) {
\n perror("bind");
\n exit(EXIT_FAILURE);
\n}<\/p>\n

bind \u51fd\u6570\u6210\u529f\u8fd4\u56de0，\u5426\u5219\u8fd4\u56de-1\u3002 server_address \u7ed3\u6784\u4f53\u4e2d\u5b9a\u4e49\u4e86\u8981\u76d1\u542c\u7684\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002 INADDR_ANY \u8868\u793a\u670d\u52a1\u5668\u5c06\u76d1\u542c\u6240\u6709\u53ef\u7528\u7684\u7f51\u7edc\u63a5\u53e3\u3002\u7aef\u53e3\u53f7\u7ecf\u8fc7 htons \u51fd\u6570\u8f6c\u6362，\u4ee5\u786e\u4fdd\u5176\u5728\u7f51\u7edc\u5b57\u8282\u5e8f\u4e0b\u662f\u6b63\u786e\u7684\u3002 <\/p>\n

2.3 \u7f16\u5199\u5ba2\u6237\u7aefSocket\u4ee3\u7801 <\/h4>\n

2.3.1 \u5ba2\u6237\u7aefSocket\u7684\u521b\u5efa\u65b9\u6cd5 <\/h5>\n

\u5ba2\u6237\u7aefSocket\u7684\u521b\u5efa\u548c\u670d\u52a1\u5668\u7aef\u7c7b\u4f3c，\u4e5f\u9700\u8981\u5148\u521b\u5efa\u4e00\u4e2aSocket，\u5e76\u8fdb\u884c\u8fde\u63a5\u64cd\u4f5c，\u4f46\u5728\u4ee3\u7801\u7ec6\u8282\u4e0a\u5b58\u5728\u5dee\u5f02\u3002\u5ba2\u6237\u7aef\u521b\u5efaSocket\u65f6，\u5e76\u4e0d\u7ed1\u5b9a\u4efb\u4f55\u5730\u5740\u548c\u7aef\u53e3\u53f7，\u8fd9\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u5904\u7406\u7684\u3002\u5ba2\u6237\u7aef\u901a\u8fc7 connect \u51fd\u6570\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u3002 <\/p>\n

#include <sys\/socket.h>
\n#include <netinet\/in.h>
\n#include <arpa\/inet.h>
\n#include <unistd.h><\/p>\n

int client_fd;
\nstruct sockaddr_in server_address;<\/p>\n

client_fd = socket(AF_INET, SOCK_STREAM, 0); \/\/ \u521b\u5efaTCP Socket
\nif (client_fd == -1) {
\n perror("socket");
\n exit(EXIT_FAILURE);
\n}<\/p>\n

\/\/ \u521d\u59cb\u5316\u670d\u52a1\u5668\u5730\u5740\u7ed3\u6784\u4f53
\nmemset(&server_address, 0, sizeof(server_address));
\nserver_address.sin_family = AF_INET;
\nserver_address.sin_port = htons(12345);
\ninet_pton(AF_INET, "127.0.0.1", &server_address.sin_addr); \/\/ \u4f7f\u7528inet_pton\u51fd\u6570\u5c06\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a\u7f51\u7edc\u5b57\u8282\u5e8f<\/p>\n

\/\/ \u8fde\u63a5\u5230\u670d\u52a1\u5668
\nif (connect(client_fd, (struct sockaddr *)&server_address, sizeof(server_address)) == -1) {
\n perror("connect");
\n exit(EXIT_FAILURE);
\n}<\/p>\n

\u5728\u8fd9\u6bb5\u793a\u4f8b\u4ee3\u7801\u4e2d，\u5ba2\u6237\u7aefSocket\u521b\u5efa\u540e\u4f7f\u7528 connect \u51fd\u6570\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7aef\u3002 inet_pton \u51fd\u6570\u7528\u4e8e\u5c06\u70b9\u5206\u5341\u8fdb\u5236\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a\u7f51\u7edc\u5b57\u8282\u5e8f\u3002\u4e00\u65e6\u8fde\u63a5\u5efa\u7acb\u6210\u529f，\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002 <\/p>\n

2.3.2 \u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u7684\u6b65\u9aa4 <\/h5>\n

\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u7684\u8fc7\u7a0b\u5927\u81f4\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4： <\/p>\n

  • \u521b\u5efaSocket\u3002 <\/li>\n
  • \u8bbe\u7f6e\u670d\u52a1\u5668\u5730\u5740\u548c\u7aef\u53e3\u4fe1\u606f\u3002 <\/li>\n
  • \u4f7f\u7528 connect \u51fd\u6570\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42\u3002 <\/li>\n
  • \u7b49\u5f85\u64cd\u4f5c\u7cfb\u7edf\u5b8c\u6210\u4e09\u6b21\u63e1\u624b\u5efa\u7acbTCP\u8fde\u63a5\u3002 <\/li>\n

    \u82e5\u8fde\u63a5\u6210\u529f，\u53cc\u65b9\u5373\u53ef\u901a\u8fc7\u8fd9\u4e2a\u8fde\u63a5\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u3002\u5982\u679c\u8fde\u63a5\u5931\u8d25，\u5219\u901a\u5e38\u7531 connect \u51fd\u6570\u8fd4\u56de\u9519\u8bef\u7801，\u53ef\u901a\u8fc7\u9519\u8bef\u7801\u5224\u65ad\u8fde\u63a5\u5931\u8d25\u7684\u539f\u56e0\u3002 <\/p>\n

    \u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u521b\u5efaSocket\u548c\u5efa\u7acb\u8fde\u63a5\u7684\u4ee3\u7801\u53ef\u80fd\u9700\u8981\u5305\u542b\u66f4\u591a\u7684\u9519\u8bef\u5904\u7406\u903b\u8f91，\u4ee5\u786e\u4fdd\u7f51\u7edc\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u6b64\u5916，\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1，\u5e94\u7528\u5c42\u53ef\u80fd\u8fd8\u9700\u8981\u5728Socket\u901a\u4fe1\u4e2d\u5f15\u5165\u52a0\u5bc6\u548c\u8ba4\u8bc1\u673a\u5236\u3002 <\/p>\n

    3. \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5 <\/h2>\n

    \u5728\u672c\u7ae0\u4e2d，\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u5982\u4f55\u5efa\u7acb\u8fde\u63a5，\u4ee5\u53ca\u5efa\u7acb\u8fde\u63a5\u540e\u7684\u4e00\u4e9b\u5173\u952e\u673a\u5236\u3002\u4e3a\u4e86\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u901a\u4fe1，\u7406\u89e3\u8fd9\u4e9b\u8fde\u63a5\u673a\u5236\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n

    3.1 \u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u673a\u5236 <\/h3>\n

    3.1.1 \u5efa\u7acb\u8fde\u63a5\u7684\u8fc7\u7a0b\u5206\u6790 <\/h4>\n

    \u5728Socket\u7f16\u7a0b\u4e2d，\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u5efa\u7acb\u901a\u5e38\u9075\u5faaTCP\/IP\u534f\u8bae\u3002\u6574\u4e2a\u8fc7\u7a0b\u7531\u4e09\u6b21\u63e1\u624b\u7ec4\u6210： <\/p>\n

  • \u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u8bf7\u6c42 ：\u5ba2\u6237\u7aef\u901a\u8fc7\u8c03\u7528 connect \u65b9\u6cd5\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u540c\u6b65\u8fde\u63a5\u8bf7\u6c42\u3002 <\/li>\n
  • \u670d\u52a1\u5668\u63a5\u6536\u8bf7\u6c42 ：\u670d\u52a1\u5668\u7aef\u7684Socket\u901a\u8fc7\u8c03\u7528 accept \u65b9\u6cd5，\u963b\u585e\u7b49\u5f85\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002\u4e00\u65e6\u63a5\u6536\u5230\u8bf7\u6c42，\u5c31\u4e3a\u8be5\u8fde\u63a5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Socket\u5bf9\u8c61\u7528\u4e8e\u540e\u7eed\u7684\u901a\u4fe1\u3002 <\/li>\n
  • \u8fde\u63a5\u786e\u8ba4 ：\u670d\u52a1\u5668\u901a\u8fc7 accept \u65b9\u6cd5\u8fd4\u56de\u7684Socket\u5bf9\u8c61\u53d1\u9001\u4e00\u4e2a\u786e\u8ba4\u6d88\u606f\u7ed9\u5ba2\u6237\u7aef，\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u786e\u8ba4\u540e\u5efa\u7acb\u8fde\u63a5\u3002 <\/li>\n

    \u4ee3\u7801\u793a\u4f8b： <\/p>\n

    # \u670d\u52a1\u5668\u7aef\u4ee3\u7801
    \nserver_socket.bind(('localhost', 12345)) # \u7ed1\u5b9a\u5730\u5740\u548c\u7aef\u53e3
    \nserver_socket.listen(5) # \u5f00\u59cb\u76d1\u542c\u8fde\u63a5\u8bf7\u6c42
    \nclient_socket, client_address = server_socket.accept() # \u7b49\u5f85\u5e76\u63a5\u53d7\u8fde\u63a5<\/p>\n

    # \u5ba2\u6237\u7aef\u4ee3\u7801
    \nclient_socket.connect(('localhost', 12345)) # \u5c1d\u8bd5\u8fde\u63a5\u670d\u52a1\u5668<\/p>\n

    3.1.2 \u8fde\u63a5\u5efa\u7acb\u540e\u7684\u72b6\u6001\u68c0\u67e5 <\/h4>\n

    \u8fde\u63a5\u5efa\u7acb\u540e，\u6211\u4eec\u53ef\u4ee5\u5bf9Socket\u5bf9\u8c61\u7684\u72b6\u6001\u8fdb\u884c\u68c0\u67e5，\u4ee5\u786e\u4fdd\u8fde\u63a5\u7684\u6709\u6548\u6027\u3002\u72b6\u6001\u68c0\u67e5\u901a\u5e38\u5305\u62ec\u662f\u5426\u80fd\u591f\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c，\u4ee5\u53ca\u8fde\u63a5\u662f\u5426\u8fd8\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002 <\/p>\n

    \u5728Python\u4e2d，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 getpeername \u65b9\u6cd5\u6765\u68c0\u67e5\u5f53\u524d\u8fde\u63a5\u7684\u8fdc\u7a0b\u5730\u5740\u548c\u7aef\u53e3，\u4ece\u800c\u786e\u8ba4\u8fde\u63a5\u662f\u5426\u5df2\u7ecf\u6210\u529f\u5efa\u7acb\u3002 <\/p>\n

    remote_address = client_socket.getpeername()
    \nprint(f"Connected to {remote_address}")<\/p>\n

    3.2 \u540c\u6b65\u4e0e\u5f02\u6b65\u8fde\u63a5\u7684\u5b9e\u73b0 <\/h3>\n

    3.2.1 \u540c\u6b65\u8fde\u63a5\u7684\u4ee3\u7801\u793a\u4f8b <\/h4>\n

    \u5728\u540c\u6b65\u8fde\u63a5\u4e2d，\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7684\u901a\u4fe1\u662f\u987a\u5e8f\u6267\u884c\u7684，\u4e00\u65b9\u53d1\u9001\u8bf7\u6c42\u540e\u5fc5\u987b\u7b49\u5f85\u53e6\u4e00\u65b9\u54cd\u5e94\u540e\u624d\u80fd\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u4ee3\u7801\u3002 <\/p>\n

    # \u670d\u52a1\u5668\u7aef\u540c\u6b65\u5904\u7406
    \nwhile True:
    \n client_socket, addr = server_socket.accept()
    \n print(f"Connection from {addr}")
    \n data = client_socket.recv(1024).decode('utf-8')
    \n print(f"Received {data}")
    \n client_socket.send("Hello, client".encode('utf-8'))
    \n client_socket.close()<\/p>\n

    3.2.2 \u5f02\u6b65\u8fde\u63a5\u7684\u4ee3\u7801\u793a\u4f8b <\/h4>\n

    \u5f02\u6b65\u8fde\u63a5\u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5728\u4e0d\u76f8\u4e92\u963b\u585e\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u901a\u4fe1\u3002\u5728Python\u4e2d，\u53ef\u4ee5\u4f7f\u7528 asyncio \u5e93\u6765\u5b9e\u73b0\u5f02\u6b65Socket\u7f16\u7a0b\u3002 <\/p>\n

    import asyncio<\/p>\n

    async def handle_client(reader, writer):
    \n data = await reader.read(100)
    \n message = data.decode()
    \n addr = writer.get_extra_info('peername')
    \n print(f"Received {message} from {addr}")<\/p>\n

    print(f"Sending response to {addr}")
    \n writer.write(b"Hello, client")
    \n await writer.drain()<\/p>\n

    print("Closing the connection")
    \n writer.close()<\/p>\n

    async def main():
    \n server = await asyncio.start_server(
    \n handle_client, 'localhost', 8888)<\/p>\n

    async with server:
    \n await server.serve_forever()<\/p>\n

    asyncio.run(main())<\/p>\n

    3.3 \u8fde\u63a5\u5efa\u7acb\u5931\u8d25\u7684\u539f\u56e0\u53ca\u5904\u7406 <\/h3>\n

    3.3.1 \u5e38\u89c1\u9519\u8bef\u4ee3\u7801\u89e3\u6790 <\/h4>\n

    \u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d，\u8fde\u63a5\u5931\u8d25\u53ef\u80fd\u7531\u591a\u79cd\u539f\u56e0\u5f15\u8d77，\u4f8b\u5982\u7f51\u7edc\u95ee\u9898\u3001\u7aef\u53e3\u672a\u5f00\u653e\u3001\u9632\u706b\u5899\u8bbe\u7f6e\u7b49\u3002\u9519\u8bef\u4ee3\u7801\u901a\u5e38\u4f1a\u4ee5\u5f02\u5e38\u7684\u5f62\u5f0f\u8868\u73b0\u51fa\u6765\u3002 <\/p>\n

    \u88681\u5c55\u793a\u4e86\u90e8\u5206\u5e38\u89c1\u7684Socket\u9519\u8bef\u4ee3\u7801\u53ca\u5176\u63cf\u8ff0： <\/p>\n

    | \u9519\u8bef\u4ee3\u7801 | \u63cf\u8ff0 | |———-|———————————–| | EACCES | \u6743\u9650\u4e0d\u8db3，\u4e0d\u80fd\u7ed1\u5b9a\u5230\u8bf7\u6c42\u7684\u7aef\u53e3\u4e0a | | EADDRINUSE | \u6307\u5b9a\u7684\u7aef\u53e3\u5df2\u88ab\u5360\u7528 | | ECONNREFUSED | \u8fde\u63a5\u88ab\u8fdc\u7a0b\u4e3b\u673a\u62d2\u7edd | | EINTR | \u7cfb\u7edf\u8c03\u7528\u88ab\u4e2d\u65ad | | ETIMEDOUT | \u8fde\u63a5\u8d85\u65f6 | <\/p>\n

    3.3.2 \u9519\u8bef\u5904\u7406\u7b56\u7565 <\/h4>\n

    \u4e3a\u4e86\u6709\u6548\u5904\u7406\u8fd9\u4e9b\u8fde\u63a5\u9519\u8bef，\u5e94\u8be5\u5728\u4ee3\u7801\u4e2d\u5f15\u5165\u5f02\u5e38\u5904\u7406\u673a\u5236\u3002 <\/p>\n

    try:
    \n client_socket.connect(('localhost', 12345))
    \nexcept BlockingIOError as e:
    \n print(f"BlockingIOError: {e}")
    \nexcept ConnectionRefusedError as e:
    \n print(f"ConnectionRefusedError: {e}")
    \nexcept TimeoutError as e:
    \n print(f"TimeoutError: {e}")
    \nexcept Exception as e:
    \n print(f"An error occurred: {e}")<\/p>\n

    \u901a\u8fc7\u4f7f\u7528 try-except \u8bed\u53e5，\u6211\u4eec\u53ef\u4ee5\u6355\u83b7\u6f5c\u5728\u7684\u5f02\u5e38\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406，\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n

    \u672c\u7ae0\u8282\u7684\u5185\u5bb9\u6db5\u76d6\u4e86\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u7684\u57fa\u672c\u673a\u5236，\u5305\u62ec\u540c\u6b65\u4e0e\u5f02\u6b65\u8fde\u63a5\u7684\u5b9e\u73b0，\u4ee5\u53ca\u8fde\u63a5\u5931\u8d25\u7684\u539f\u56e0\u548c\u5904\u7406\u7b56\u7565\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u57fa\u7840\u77e5\u8bc6\u7684\u7406\u89e3\u548c\u5b9e\u8df5，IT\u4e13\u4e1a\u4eba\u5458\u80fd\u591f\u5728\u5f00\u53d1\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u65f6\u66f4\u52a0\u9ad8\u6548\u548c\u53ef\u9760\u3002 <\/p>\n

    4. \u6570\u636e\u4f20\u8f93\u673a\u5236 <\/h2>\n

    4.1 \u6570\u636e\u4f20\u8f93\u7684\u539f\u7406\u548c\u65b9\u6cd5 <\/h3>\n

    4.1.1 \u6570\u636e\u6253\u5305\u4e0e\u89e3\u5305 <\/h4>\n

    \u5728Socket\u7f16\u7a0b\u4e2d，\u6570\u636e\u4f20\u8f93\u5e76\u975e\u662f\u76f4\u63a5\u53d1\u9001\u539f\u59cb\u6570\u636e\u6d41，\u800c\u662f\u9700\u8981\u5c06\u6570\u636e\u6309\u7167\u7279\u5b9a\u683c\u5f0f\u6253\u5305\u6210\u6570\u636e\u5305（packet），\u7136\u540e\u53d1\u9001\u51fa\u53bb\u3002\u63a5\u6536\u65b9\u5728\u63a5\u6536\u5230\u6570\u636e\u5305\u540e，\u9700\u8981\u8fdb\u884c\u89e3\u5305（unpacking）\u64cd\u4f5c\u4ee5\u8fd8\u539f\u539f\u59cb\u6570\u636e\u3002\u8fd9\u4e00\u8fc7\u7a0b\u662f\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u91cd\u8981\u6b65\u9aa4，\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5b8c\u6574\u6027\u548c\u987a\u5e8f\u3002 <\/p>\n

    \u6253\u5305\u6570\u636e\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4： – \u5e8f\u5217\u5316：\u5c06\u5bf9\u8c61\u6216\u6570\u636e\u7ed3\u6784\u8f6c\u6362\u4e3a\u53ef\u4ee5\u5b58\u50a8\u6216\u4f20\u8f93\u7684\u683c\u5f0f（\u5982\u4e8c\u8fdb\u5236\u3001JSON\u7b49）\u3002 – \u5206\u5757：\u6839\u636e\u7f51\u7edc\u534f\u8bae\u7684MTU（Maximum Transmission Unit）\u9650\u5236\u5c06\u6570\u636e\u5206\u5757\u3002 – \u6dfb\u52a0\u5934\u90e8\u4fe1\u606f：\u4e3a\u4e86\u80fd\u591f\u5728\u63a5\u6536\u7aef\u6b63\u786e\u89e3\u5305，\u9700\u8981\u5728\u6bcf\u4e2a\u6570\u636e\u5305\u4e2d\u6dfb\u52a0\u5fc5\u8981\u7684\u5934\u90e8\u4fe1\u606f，\u5982\u6e90\u548c\u76ee\u6807\u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u6821\u9a8c\u548c\u7b49\u3002 <\/p>\n

    \u89e3\u5305\u5219\u76f8\u53cd，\u63a5\u6536\u7aef\u4f1a\u5148\u8bfb\u53d6\u5934\u90e8\u4fe1\u606f，\u7136\u540e\u6309\u7167\u5934\u90e8\u4fe1\u606f\u4e2d\u7684\u6307\u793a\u5904\u7406\u6bcf\u4e2a\u6570\u636e\u5757\u3002 <\/p>\n

    4.1.2 \u4f20\u8f93\u534f\u8bae\u7684\u9009\u62e9 <\/h4>\n

    \u6839\u636e\u5e94\u7528\u7684\u9700\u6c42，\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u4f20\u8f93\u534f\u8bae：TCP（Transmission Control Protocol）\u6216UDP（User Datagram Protocol）\u3002TCP\u63d0\u4f9b\u9762\u5411\u8fde\u63a5\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1，\u800cUDP\u5219\u662f\u65e0\u8fde\u63a5\u7684，\u4f20\u8f93\u901f\u5ea6\u66f4\u5feb\u4f46\u4e0d\u4fdd\u8bc1\u53ef\u9760\u6027\u3002 <\/p>\n

      \n
    • TCP\u4f20\u8f93： <\/li>\n
    • \u4fdd\u8bc1\u6570\u636e\u7684\u987a\u5e8f\u548c\u5b8c\u6574\u6027\u3002 <\/li>\n
    • \u53d1\u9001\u7684\u6570\u636e\u4f1a\u88ab\u81ea\u52a8\u5206\u6bb5，\u4fdd\u8bc1\u6570\u636e\u4e0d\u4f1a\u56e0\u4e3a\u592a\u5927\u800c\u65e0\u6cd5\u53d1\u9001\u3002 <\/li>\n
    • \u5982\u679c\u67d0\u4e2a\u6bb5\u4e22\u5931，TCP\u4f1a\u81ea\u52a8\u91cd\u65b0\u4f20\u8f93\u8be5\u6bb5，\u76f4\u5230\u63a5\u6536\u5230\u4e3a\u6b62\u3002 <\/li>\n
    • \n

      TCP\u8fd8\u63d0\u4f9b\u6d41\u91cf\u63a7\u5236\u548c\u62e5\u585e\u63a7\u5236\u529f\u80fd，\u4f18\u5316\u7f51\u7edc\u4f7f\u7528\u6548\u7387\u3002 <\/p>\n<\/li>\n

    • \n

      UDP\u4f20\u8f93： <\/p>\n<\/li>\n

    • \u76f8\u5bf9\u4e8eTCP，UDP\u6709\u8f83\u5c0f\u7684\u5f00\u9500，\u56e0\u4e3a\u5b83\u4e0d\u63d0\u4f9b\u9519\u8bef\u68c0\u6d4b\u548c\u6821\u6b63\u673a\u5236\u3002 <\/li>\n
    • \u6570\u636e\u5305\u7684\u53d1\u9001\u548c\u63a5\u6536\u6ca1\u6709\u987a\u5e8f\u4fdd\u8bc1，\u4e22\u5305\u548c\u91cd\u590d\u5305\u90fd\u662f\u53ef\u80fd\u7684\u3002 <\/li>\n
    • \u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u5e94\u7528，\u5982\u5728\u7ebf\u6e38\u620f\u548c\u6d41\u5a92\u4f53\u3002 <\/li>\n<\/ul>\n

      \u5728\u9009\u62e9\u4f20\u8f93\u534f\u8bae\u65f6，\u9700\u8981\u6839\u636e\u5e94\u7528\u573a\u666f\u6743\u8861\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002 <\/p>\n

      4.2 \u5b9e\u73b0\u6570\u636e\u7684\u53d1\u9001\u4e0e\u63a5\u6536 <\/h3>\n

      4.2.1 \u53d1\u9001\u6570\u636e\u7684\u7f16\u7801\u65b9\u5f0f <\/h4>\n

      \u53d1\u9001\u6570\u636e\u524d，\u9700\u8981\u6839\u636e\u6240\u9009\u534f\u8bae\u5bf9\u6570\u636e\u8fdb\u884c\u7f16\u7801\u3002\u4ee5\u4e0b\u662fTCP\u53d1\u9001\u6570\u636e\u7684\u7b80\u5355\u793a\u4f8b： <\/p>\n

      import socket<\/p>\n

      # \u521b\u5efa\u4e00\u4e2asocket\u5bf9\u8c61
      \nclient_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n

      # \u8fde\u63a5\u5230\u670d\u52a1\u5668
      \nclient_socket.connect(('127.0.0.1', 8080))<\/p>\n

      # \u8981\u53d1\u9001\u7684\u6570\u636e
      \ndata = "Hello, Server!"<\/p>\n

      # \u5c06\u6570\u636e\u7f16\u7801\u4e3a\u5b57\u8282\u4e32
      \nencoded_data = data.encode('utf-8')<\/p>\n

      # \u53d1\u9001\u6570\u636e
      \nclient_socket.sendall(encoded_data)<\/p>\n

      # \u5173\u95edsocket\u8fde\u63a5
      \nclient_socket.close()<\/p>\n

      \u5728\u8be5\u793a\u4f8b\u4e2d，\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aTCP\u5ba2\u6237\u7aefsocket，\u5e76\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\u3002\u7136\u540e\u5c06\u8981\u53d1\u9001\u7684\u6570\u636e\u901a\u8fc7 encode \u65b9\u6cd5\u8f6c\u4e3a\u5b57\u8282\u4e32，\u8fd9\u662f\u56e0\u4e3a\u7f51\u7edc\u4f20\u8f93\u9700\u8981\u5b57\u8282\u683c\u5f0f\u7684\u6570\u636e\u3002\u6700\u540e，\u4f7f\u7528 sendall \u65b9\u6cd5\u53d1\u9001\u6570\u636e\u3002 <\/p>\n

      4.2.2 \u63a5\u6536\u6570\u636e\u7684\u89e3\u7801\u65b9\u5f0f <\/h4>\n

      \u63a5\u6536\u6570\u636e\u65f6，\u9700\u8981\u5c06\u5b57\u8282\u4e32\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u670d\u52a1\u5668\u7aef\u63a5\u6536\u6570\u636e\u7684\u793a\u4f8b： <\/p>\n

      import socket<\/p>\n

      # \u521b\u5efa\u4e00\u4e2asocket\u5bf9\u8c61
      \nserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n

      # \u7ed1\u5b9aIP\u5730\u5740\u548c\u7aef\u53e3\u53f7
      \nserver_socket.bind(('0.0.0.0', 8080))<\/p>\n

      # \u5f00\u59cb\u76d1\u542c
      \nserver_socket.listen()<\/p>\n

      # \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5
      \nclient_socket, address = server_socket.accept()
      \nprint("Received connection from:", address)<\/p>\n

      # \u63a5\u6536\u6570\u636e
      \nreceived_data = client_socket.recv(1024)<\/p>\n

      # \u5c06\u5b57\u8282\u4e32\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32
      \ndecoded_data = received_data.decode('utf-8')<\/p>\n

      # \u6253\u5370\u89e3\u7801\u540e\u7684\u6570\u636e
      \nprint("Received:", decoded_data)<\/p>\n

      # \u5173\u95edsocket\u8fde\u63a5
      \nclient_socket.close()<\/p>\n

      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d，\u670d\u52a1\u5668\u901a\u8fc7 recv \u65b9\u6cd5\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u6570\u636e\u3002\u6570\u636e\u4ee5\u5b57\u8282\u4e32\u5f62\u5f0f\u63a5\u6536\u5230\u540e，\u4f7f\u7528 decode \u65b9\u6cd5\u5c06\u5176\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32\u3002 <\/p>\n

      4.3 \u6570\u636e\u4f20\u8f93\u7684\u6027\u80fd\u4f18\u5316 <\/h3>\n

      4.3.1 \u4f18\u5316\u6570\u636e\u4f20\u8f93\u6548\u7387\u7684\u65b9\u6cd5 <\/h4>\n

      \u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u76f4\u63a5\u5f71\u54cd\u5230\u5e94\u7528\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u6570\u636e\u4f20\u8f93\u6548\u7387\u7684\u65b9\u6cd5： – \u6570\u636e\u538b\u7f29：\u5bf9\u53d1\u9001\u7684\u6570\u636e\u8fdb\u884c\u538b\u7f29，\u51cf\u5c11\u4f20\u8f93\u7684\u6570\u636e\u91cf\u3002 – \u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784：\u4f7f\u7528\u9002\u5408\u7f51\u7edc\u4f20\u8f93\u7684\u6570\u636e\u7ed3\u6784\u3002 – \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u8c03\u7528：\u5408\u5e76\u591a\u4e2a\u5c0f\u6570\u636e\u5305，\u51cf\u5c11\u7f51\u7edc\u901a\u4fe1\u6b21\u6570\u3002 – \u4f7f\u7528DMA（Direct Memory Access）：\u51cf\u5c11CPU\u7684\u53c2\u4e0e，\u76f4\u63a5\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002 <\/p>\n

      4.3.2 \u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u5b89\u5168\u7684\u63aa\u65bd <\/h4>\n

      \u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u540c\u6837\u91cd\u8981，\u4fdd\u8bc1\u6570\u636e\u5b89\u5168\u7684\u63aa\u65bd\u5305\u62ec： – \u4f7f\u7528\u52a0\u5bc6\u534f\u8bae：\u6bd4\u5982TLS\/SSL，\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u3002 – \u8ba4\u8bc1\u673a\u5236：\u786e\u4fdd\u901a\u4fe1\u53cc\u65b9\u7684\u8eab\u4efd\u8ba4\u8bc1\u3002 – \u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c：\u5982\u4f7f\u7528MD5\u6216SHA\u7b97\u6cd5\u5bf9\u6570\u636e\u8fdb\u884c\u6821\u9a8c\u3002 – \u9632\u6b62\u91cd\u653e\u653b\u51fb：\u901a\u8fc7\u65f6\u95f4\u6233\u6216\u968f\u673a\u6570\u7b49\u673a\u5236\u4fdd\u8bc1\u6570\u636e\u5305\u7684\u552f\u4e00\u6027\u3002 <\/p>\n

      \u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528，\u4e5f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u7ec4\u5408\u4f7f\u7528，\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002 <\/p>\n

      5. \u5173\u95edSocket\u8fde\u63a5 <\/h2>\n

      5.1 \u6b63\u5e38\u5173\u95edSocket\u8fde\u63a5\u7684\u8fc7\u7a0b <\/h3>\n

      \u5728\u5b8c\u6210\u4e86\u6570\u636e\u4f20\u8f93\u4e4b\u540e，\u5173\u95edSocket\u8fde\u63a5\u662f\u786e\u4fdd\u7cfb\u7edf\u8d44\u6e90\u5f97\u5230\u6b63\u786e\u91ca\u653e\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u65e0\u8bba\u662f\u670d\u52a1\u7aef\u8fd8\u662f\u5ba2\u6237\u7aef，\u5728\u901a\u4fe1\u7ed3\u675f\u540e\u90fd\u5e94\u8be5\u6267\u884c\u5173\u95ed\u8fde\u63a5\u7684\u64cd\u4f5c，\u4ee5\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u3002 <\/p>\n

      5.1.1 \u5173\u95ed\u8fde\u63a5\u524d\u7684\u8d44\u6e90\u91ca\u653e <\/h4>\n

      \u5728\u5173\u95edSocket\u8fde\u63a5\u4e4b\u524d，\u9700\u8981\u786e\u4fdd\u6240\u6709\u53d1\u9001\u6216\u63a5\u6536\u7684\u6570\u636e\u6d41\u90fd\u5df2\u7ecf\u6b63\u786e\u5173\u95ed\u3002\u8fd9\u4e00\u6b65\u9aa4\u81f3\u5173\u91cd\u8981，\u56e0\u4e3a\u4efb\u4f55\u672a\u5904\u7406\u7684\u6570\u636e\u6d41\u90fd\u53ef\u80fd\u5bfc\u81f4\u8d44\u6e90\u6cc4\u9732\u3002\u5728Java\u4e2d，\u53ef\u4ee5\u901a\u8fc7\u5173\u95ed\u8f93\u5165\u8f93\u51fa\u6d41\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4f8b\u5982，\u4f7f\u7528 Socket \u7c7b\u7684 getInputStream() \u548c getOutputStream() \u65b9\u6cd5\u83b7\u53d6\u8fde\u63a5\u4e2d\u7684\u8f93\u5165\u8f93\u51fa\u6d41，\u7136\u540e\u8c03\u7528 close() \u65b9\u6cd5\u6765\u5173\u95ed\u5b83\u4eec\u3002 <\/p>\n

      Socket socket = new Socket("localhost", 8080);
      \nInputStream input = socket.getInputStream();
      \nOutputStream output = socket.getOutputStream();<\/p>\n

      \/\/ \u6570\u636e\u4f20\u8f93\u903b\u8f91…<\/p>\n

      \/\/ \u5173\u95ed\u8f93\u5165\u8f93\u51fa\u6d41
      \ninput.close();
      \noutput.close();<\/p>\n

      \/\/ \u5173\u95edSocket\u8fde\u63a5
      \nsocket.close();<\/p>\n

      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u786e\u4fdd\u5728\u8c03\u7528 socket.close() \u4e4b\u524d，\u8f93\u5165\u8f93\u51fa\u6d41\u5df2\u7ecf\u88ab\u5173\u95ed\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u51cf\u5c11\u56e0\u7f51\u7edc\u5ef6\u8fdf\u5bfc\u81f4\u7684\u672a\u5b8c\u6210\u6570\u636e\u4f20\u8f93，\u4ece\u800c\u907f\u514d\u8fde\u63a5\u7a81\u7136\u5173\u95ed\u65f6\u53ef\u80fd\u5f15\u53d1\u7684\u9519\u8bef\u3002 <\/p>\n

      5.1.2 \u65ad\u5f00\u8fde\u63a5\u7684\u4ee3\u7801\u5b9e\u73b0 <\/h4>\n

      \u5173\u95edSocket\u8fde\u63a5\u901a\u5e38\u6d89\u53ca\u5230\u8c03\u7528 Socket \u7c7b\u7684 close() \u65b9\u6cd5\u3002\u8fd9\u4e2a\u64cd\u4f5c\u4f1a\u542f\u52a8\u5173\u95ed\u8fde\u63a5\u7684\u5e8f\u5217，\u5305\u62ec\u7ec8\u6b62\u7f51\u7edc\u8fde\u63a5\u5e76\u91ca\u653e\u7cfb\u7edf\u8d44\u6e90\u3002\u6b64\u65b9\u6cd5\u53ef\u80fd\u4f1a\u629b\u51fa IOException \u5f02\u5e38，\u56e0\u6b64\u9700\u8981\u5c06\u5176\u653e\u5728 try-catch \u5757\u4e2d\u3002 <\/p>\n

      try {
      \n if (socket != null && !socket.isClosed()) {
      \n socket.close();
      \n }
      \n} catch (IOException e) {
      \n e.printStackTrace();
      \n} finally {
      \n \/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u653e\u7f6e\u4e00\u4e9b\u65e0\u8bba\u8fde\u63a5\u662f\u5426\u6210\u529f\u5173\u95ed\u90fd\u8981\u6267\u884c\u7684\u6e05\u7406\u4ee3\u7801
      \n}<\/p>\n

      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u9996\u5148\u68c0\u67e5 socket \u662f\u5426\u5df2\u7ecf\u5173\u95ed，\u4ee5\u907f\u514d\u91cd\u590d\u5173\u95ed\u5bfc\u81f4\u7684\u5f02\u5e38\u3002\u7136\u540e，\u5982\u679c socket \u662f\u6253\u5f00\u72b6\u6001，\u6211\u4eec\u5c06\u5176\u5173\u95ed\u3002\u5f02\u5e38\u88ab\u6355\u83b7\u5e76\u6253\u5370\u5806\u6808\u8ddf\u8e2a，\u8fd9\u6709\u52a9\u4e8e\u8c03\u8bd5\u3002 finally \u5757\u4fdd\u8bc1\u4e86\u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38，\u4e00\u4e9b\u6e05\u7406\u903b\u8f91\u90fd\u4f1a\u88ab\u6267\u884c\u3002 <\/p>\n

      5.2 \u5f02\u5e38\u60c5\u51b5\u4e0b\u5173\u95edSocket\u8fde\u63a5 <\/h3>\n

      \u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u7f51\u7edc\u901a\u4fe1\u5f80\u5f80\u4e0d\u4f1a\u4e00\u5e06\u98ce\u987a，\u5f02\u5e38\u5173\u95ed\u7684\u60c5\u51b5\u4e5f\u662f\u65f6\u5e38\u53d1\u751f\u7684\u3002\u56e0\u6b64，\u786e\u4fdd\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u4e5f\u80fd\u6b63\u786e\u5173\u95edSocket\u8fde\u63a5\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002 <\/p>\n

      5.2.1 \u5f02\u5e38\u68c0\u6d4b\u548c\u5904\u7406\u7b56\u7565 <\/h4>\n

      \u5f02\u5e38\u901a\u5e38\u5305\u62ec\u7f51\u7edc\u4e2d\u65ad\u3001I\/O\u9519\u8bef\u7b49\u3002\u5bf9\u8fd9\u4e9b\u5f02\u5e38\u7684\u68c0\u6d4b\u548c\u5904\u7406\u7b56\u7565\u5305\u62ec： <\/p>\n

        \n
      • \u8d85\u65f6\u5904\u7406 : \u5728\u7f51\u7edc\u901a\u4fe1\u8fc7\u7a0b\u4e2d，\u5982\u679c\u8d85\u8fc7\u4e00\u5b9a\u65f6\u95f4\u6ca1\u6709\u6536\u5230\u54cd\u5e94，\u5e94\u89c6\u4e3a\u8d85\u65f6\u5f02\u5e38\u3002\u53ef\u4ee5\u8bbe\u7f6e Socket \u7684\u8d85\u65f6\u65f6\u95f4，\u5e76\u5728\u8d85\u65f6\u540e\u5173\u95ed\u8fde\u63a5\u3002 <\/li>\n
      • \u76d1\u542c\u8fde\u63a5\u72b6\u6001 : \u5b9a\u671f\u68c0\u67e5\u8fde\u63a5\u662f\u5426\u6b63\u5e38，\u5982\u679c\u68c0\u6d4b\u5230\u8fde\u63a5\u5f02\u5e38，\u5219\u53ca\u65f6\u5904\u7406\u3002 <\/li>\n
      • \u4f7f\u7528try-catch\u5757 : \u5728\u901a\u4fe1\u64cd\u4f5c\u4e2d，\u4f7f\u7528 try-catch \u5757\u6765\u6355\u83b7\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38，\u5e76\u5728 catch \u5757\u4e2d\u9002\u5f53\u5904\u7406\u3002 <\/li>\n<\/ul>\n

        Socket socket = new Socket("localhost", 8080);
        \nsocket.setSoTimeout(5000); \/\/ \u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u4e3a5000\u6beb\u79d2<\/p>\n

        try {
        \n \/\/ \u6570\u636e\u4f20\u8f93\u903b\u8f91…<\/p>\n

        } catch (SocketTimeoutException e) {
        \n System.out.println("Socket timeout, closing the connection…");
        \n} catch (IOException e) {
        \n System.out.println("I\/O error, closing the connection…");
        \n} finally {
        \n if (socket != null) {
        \n try {
        \n socket.close();
        \n } catch (IOException e) {
        \n e.printStackTrace();
        \n }
        \n }
        \n}<\/p>\n

        \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u6bb5\u4e2d，\u6211\u4eec\u8bbe\u7f6e\u4e86Socket\u7684\u8d85\u65f6\u65f6\u95f4\u4e3a5\u79d2，\u5982\u679c\u8d85\u8fc75\u79d2\u6ca1\u6709\u8bfb\u53d6\u5230\u6570\u636e，\u5219\u8ba4\u4e3a\u53d1\u751f\u4e86\u8d85\u65f6\u5f02\u5e38，\u5e76\u5173\u95edSocket\u3002\u6b64\u5916，\u901a\u8fc7 try-catch \u5757\u6355\u83b7\u548c\u5904\u7406\u4e86\u5176\u4ed6\u6f5c\u5728\u7684I\/O\u5f02\u5e38\u3002 <\/p>\n

        5.2.2 \u5f3a\u5236\u5173\u95ed\u8fde\u63a5\u7684\u65b9\u6cd5 <\/h4>\n

        \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b，\u4f8b\u5982\u8fde\u63a5\u88ab\u6302\u8d77\u6216\u5f02\u5e38\u72b6\u6001\u65e0\u6cd5\u901a\u8fc7\u6b63\u5e38\u6d41\u7a0b\u5173\u95ed，\u53ef\u80fd\u9700\u8981\u5f3a\u5236\u5173\u95edSocket\u8fde\u63a5\u3002\u5f3a\u5236\u5173\u95ed\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528 close() \u65b9\u6cd5\u5b9e\u73b0，\u4f46\u53ef\u80fd\u4e0d\u4f1a\u6267\u884c\u4e00\u4e9b\u6b63\u5e38\u7684\u6e05\u7406\u8fc7\u7a0b，\u56e0\u6b64\u5e94\u5f53\u8c28\u614e\u4f7f\u7528\u3002 <\/p>\n

        try {
        \n socket.close();
        \n} catch (IOException e) {
        \n \/\/ \u5f3a\u5236\u5173\u95ed
        \n try {
        \n socket.shutdownOutput();
        \n socket.shutdownInput();
        \n } catch (IOException ex) {
        \n ex.printStackTrace();
        \n } finally {
        \n try {
        \n if (socket != null) {
        \n socket.close();
        \n }
        \n } catch (IOException ex) {
        \n ex.printStackTrace();
        \n }
        \n }
        \n}<\/p>\n

        \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u5982\u679c socket.close() \u629b\u51fa\u5f02\u5e38，\u5219\u5c1d\u8bd5\u5206\u522b\u8c03\u7528 shutdownOutput() \u548c shutdownInput() \u6765\u5173\u95ed\u8f93\u51fa\u548c\u8f93\u5165\u6d41\u3002\u6700\u540e，\u518d\u6b21\u5c1d\u8bd5\u5173\u95ed\u6574\u4e2aSocket\u8fde\u63a5\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u80fd\u591f\u5f3a\u5236\u5173\u95ed\u8fde\u63a5，\u4f46\u4e0d\u63a8\u8350\u7ecf\u5e38\u4f7f\u7528，\u56e0\u4e3a\u5b83\u53ef\u80fd\u4e0d\u4f1a\u91ca\u653e\u6240\u6709\u76f8\u5173\u8d44\u6e90\u3002 <\/p>\n

        5.3 \u5173\u95ed\u8fde\u63a5\u540e\u7684\u8d44\u6e90\u7ba1\u7406 <\/h3>\n

        \u8d44\u6e90\u7ba1\u7406\u662f\u4fdd\u6301\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c\u7684\u5173\u952e\u90e8\u5206\u3002\u5728Socket\u7f16\u7a0b\u4e2d，\u5173\u95ed\u8fde\u63a5\u540e，\u9700\u8981\u8fdb\u884c\u5f7b\u5e95\u7684\u8d44\u6e90\u6e05\u7406，\u4ee5\u786e\u4fdd\u6ca1\u6709\u9057\u6f0f\u7684\u8d44\u6e90\u5360\u7528\u3002 <\/p>\n

        5.3.1 \u6e05\u7406\u8d44\u6e90\u7684\u91cd\u8981\u6027 <\/h4>\n

        \u5728\u5173\u95edSocket\u8fde\u63a5\u540e，\u53ca\u65f6\u6e05\u7406\u76f8\u5173\u8d44\u6e90\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u8fd9\u5305\u62ec\u5173\u95ed\u6253\u5f00\u7684\u6587\u4ef6\u3001\u7f51\u7edc\u63a5\u53e3\u3001\u7ebf\u7a0b\u7b49\u3002\u8d44\u6e90\u7684\u4e0d\u5f53\u7ba1\u7406\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u8017\u5c3d\u7b49\u95ee\u9898，\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002 <\/p>\n

        5.3.2 \u8d44\u6e90\u56de\u6536\u7684\u6700\u4f73\u5b9e\u8df5 <\/h4>\n

        \u4e3a\u4e86\u786e\u4fdd\u8d44\u6e90\u5f97\u5230\u6b63\u786e\u91ca\u653e，\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5： <\/p>\n

          \n
        • \u53ca\u65f6\u5173\u95ed\u8d44\u6e90 : \u4f7f\u7528 try-with-resources \u8bed\u53e5（Java 7\u53ca\u4ee5\u4e0a\u7248\u672c）\u6216 finally \u5757\u6765\u786e\u4fdd\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u4e5f\u80fd\u5173\u95ed\u8d44\u6e90\u3002 <\/li>\n
        • \u4f7f\u7528\u7ebf\u7a0b\u6c60 : \u5728\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u65f6，\u4f7f\u7528\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u7ebf\u7a0b\u8d44\u6e90\u3002 <\/li>\n
        • \u8bbe\u7f6e\u8d44\u6e90\u751f\u547d\u5468\u671f : \u4e3a\u7f51\u7edc\u8d44\u6e90\u8bbe\u7f6e\u660e\u786e\u7684\u751f\u547d\u5468\u671f，\u5e76\u5728\u8d85\u51fa\u751f\u547d\u5468\u671f\u540e\u8fdb\u884c\u6e05\u7406\u3002 <\/li>\n
        • \u76d1\u63a7\u8d44\u6e90\u4f7f\u7528 : \u5b9a\u671f\u76d1\u63a7\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5，\u5982\u5185\u5b58\u3001\u5904\u7406\u5668\u4f7f\u7528\u7387\u548c\u6587\u4ef6\u63cf\u8ff0\u7b26\u8ba1\u6570\u5668\u3002 <\/li>\n<\/ul>\n

          try (Socket socket = new Socket("localhost", 8080)) {
          \n \/\/ \u6570\u636e\u4f20\u8f93\u903b\u8f91…
          \n} catch (IOException e) {
          \n e.printStackTrace();
          \n} \/\/ try-with-resources\u4f1a\u81ea\u52a8\u5173\u95edsocket，\u65e0\u9700\u624b\u52a8\u8c03\u7528close()<\/p>\n

          \u4f7f\u7528 try-with-resources \u8bed\u53e5\u53ef\u4ee5\u7b80\u5316\u8d44\u6e90\u7ba1\u7406，\u5b83\u786e\u4fdd\u5728\u4ee3\u7801\u5757\u7ed3\u675f\u65f6\u81ea\u52a8\u5173\u95ed\u5b9e\u73b0\u4e86 AutoCloseable \u63a5\u53e3\u7684\u8d44\u6e90\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u3002 <\/p>\n

          \u901a\u8fc7\u672c\u7ae0\u8282\u4ecb\u7ecd，\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5173\u95edSocket\u8fde\u63a5\u4e0d\u4ec5\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6280\u672f\u52a8\u4f5c，\u5b83\u8fd8\u6d89\u53ca\u4e00\u7cfb\u5217\u8d44\u6e90\u7ba1\u7406\u7b56\u7565\u3002\u6b63\u786e\u5730\u5173\u95ed\u8fde\u63a5\u548c\u7ba1\u7406\u8d44\u6e90，\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd，\u8fd8\u80fd\u63d0\u5347\u7cfb\u7edf\u7684\u6574\u4f53\u5065\u58ee\u6027\u3002 <\/p>\n

          6. \u7f51\u7edc\u5f02\u5e38\u5904\u7406 <\/h2>\n

          6.1 \u7f51\u7edc\u5f02\u5e38\u7c7b\u578b\u4e0e\u68c0\u6d4b <\/h3>\n

          6.1.1 \u7f51\u7edc\u5f02\u5e38\u7684\u5206\u7c7b <\/h4>\n

          \u7f51\u7edc\u5f02\u5e38\u662f\u6307\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53d1\u751f\u7684\u975e\u9884\u671f\u4e8b\u4ef6，\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u901a\u4fe1\u4e2d\u65ad\u6216\u6570\u636e\u9519\u8bef\u3002\u7f51\u7edc\u5f02\u5e38\u901a\u5e38\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b： <\/p>\n

        • \u8fde\u63a5\u5f02\u5e38 ：\u5305\u62ec\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5\u3001\u8fde\u63a5\u610f\u5916\u65ad\u5f00\u7b49\u60c5\u51b5\u3002 <\/li>\n
        • \u6570\u636e\u5f02\u5e38 ：\u5982\u6570\u636e\u5305\u4e22\u5931\u3001\u6570\u636e\u635f\u574f\u3001\u6570\u636e\u91cd\u590d\u7b49\u3002 <\/li>\n
        • \u65f6\u95f4\u5f02\u5e38 ：\u5982\u8d85\u65f6\u3001\u54cd\u5e94\u5ef6\u8fdf\u7b49\u3002 <\/li>\n
        • \u8d44\u6e90\u5f02\u5e38 ：\u4f8b\u5982\u7cfb\u7edf\u8d44\u6e90\u8017\u5c3d\u5bfc\u81f4\u7684\u901a\u4fe1\u5931\u8d25\u3002 <\/li>\n

          \u5bf9\u8fd9\u4e9b\u5f02\u5e38\u8fdb\u884c\u5206\u7c7b\u6709\u52a9\u4e8e\u6211\u4eec\u8bbe\u8ba1\u51fa\u66f4\u4e3a\u7cbe\u786e\u7684\u5f02\u5e38\u5904\u7406\u7b56\u7565，\u4ece\u800c\u589e\u5f3a\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002 <\/p>\n

          6.1.2 \u5f02\u5e38\u68c0\u6d4b\u673a\u5236 <\/h4>\n

          \u5f02\u5e38\u68c0\u6d4b\u673a\u5236\u662f\u7f51\u7edc\u7f16\u7a0b\u4e2d\u786e\u4fdd\u901a\u4fe1\u7a33\u5b9a\u7684\u5173\u952e\u4e00\u73af\u3002\u68c0\u6d4b\u673a\u5236\u901a\u5e38\u5305\u62ec： <\/p>\n

        • \u8d85\u65f6\u68c0\u6d4b ：\u8bbe\u7f6e\u5408\u7406\u7684\u8d85\u65f6\u9608\u503c，\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u672a\u6536\u5230\u5e94\u7b54\u65f6\u89e6\u53d1\u5f02\u5e38\u3002 <\/li>\n
        • \u6821\u9a8c\u548c\u68c0\u67e5 ：\u901a\u8fc7\u6821\u9a8c\u548c（checksum）\u9a8c\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002 <\/li>\n
        • \u5fc3\u8df3\u5305\u673a\u5236 ：\u5b9a\u671f\u53d1\u9001\u5c0f\u6570\u636e\u5305（\u5fc3\u8df3\u5305）\u4ee5\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u5b58\u6d3b\u3002 <\/li>\n
        • \u5f02\u5e38\u91cd\u8bd5\u673a\u5236 ：\u5728\u68c0\u6d4b\u5230\u5f02\u5e38\u540e\u8fdb\u884c\u91cd\u8bd5\u5c1d\u8bd5\u6062\u590d\u901a\u4fe1\u3002 <\/li>\n

          \u5f02\u5e38\u68c0\u6d4b\u662f\u5b9e\u65f6\u8fdb\u884c\u7684，\u5e76\u4e14\u901a\u5e38\u9700\u8981\u5728\u7f51\u7edc\u901a\u4fe1\u5e93\u4e2d\u5b9e\u73b0，\u4ee5\u7b80\u5316\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002 <\/p>\n

          6.2 \u5f02\u5e38\u5904\u7406\u4e0e\u9519\u8bef\u6062\u590d <\/h3>\n

          6.2.1 \u5e38\u89c1\u5f02\u5e38\u5904\u7406\u7b56\u7565 <\/h4>\n

          \u5728\u9047\u5230\u7f51\u7edc\u5f02\u5e38\u65f6，\u6211\u4eec\u901a\u5e38\u4f1a\u91c7\u53d6\u4ee5\u4e0b\u7b56\u7565\u8fdb\u884c\u5904\u7406： <\/p>\n

            \n
          • \u91cd\u8fde\u7b56\u7565 ：\u5728\u53d1\u751f\u8fde\u63a5\u5f02\u5e38\u65f6\u5c1d\u8bd5\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002 <\/li>\n
          • \u56de\u9000\u7b56\u7565 ：\u5728\u7f51\u7edc\u5f02\u5e38\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u65f6，\u53ef\u4ee5\u56de\u9000\u5230\u6700\u8fd1\u7684\u6709\u6548\u72b6\u6001\u3002 <\/li>\n
          • \u544a\u8b66\u673a\u5236 ：\u5c06\u5f02\u5e38\u60c5\u51b5\u8bb0\u5f55\u5e76\u53d1\u9001\u544a\u8b66，\u4ee5\u4fbf\u7ef4\u62a4\u4eba\u5458\u53ca\u65f6\u5904\u7406\u3002 <\/li>\n<\/ul>\n

            \u5904\u7406\u7b56\u7565\u7684\u9009\u62e9\u9700\u8981\u6839\u636e\u5e94\u7528\u7684\u5177\u4f53\u9700\u6c42\u548c\u5f02\u5e38\u7684\u6027\u8d28\u6765\u786e\u5b9a\u3002 <\/p>\n

            6.2.2 \u9519\u8bef\u6062\u590d\u7684\u5b9e\u73b0\u65b9\u5f0f <\/h4>\n

            \u9519\u8bef\u6062\u590d\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0： <\/p>\n

          • \u91cd\u8bd5\u673a\u5236 ：\u5bf9\u4e8e\u53ef\u6062\u590d\u7684\u5f02\u5e38，\u4f8b\u5982\u6682\u65f6\u6027\u7684\u7f51\u7edc\u8d85\u65f6，\u53ef\u4ee5\u5b9e\u73b0\u81ea\u52a8\u91cd\u8bd5\u673a\u5236\u3002 <\/li>\n
          • \u5f02\u5e38\u6355\u83b7\u4e0e\u5904\u7406 ：\u5728\u4ee3\u7801\u4e2d\u6355\u83b7\u5f02\u5e38\u5e76\u6839\u636e\u5f02\u5e38\u7c7b\u578b\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002 <\/li>\n
          • \u4e8b\u52a1\u673a\u5236 ：\u5bf9\u4e8e\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u7684\u64cd\u4f5c，\u91c7\u7528\u4e8b\u52a1\u673a\u5236\u786e\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002 <\/li>\n

            \u5b9e\u73b0\u9519\u8bef\u6062\u590d\u529f\u80fd\u5f80\u5f80\u9700\u8981\u7ec6\u81f4\u5730\u8bbe\u8ba1\u4ee3\u7801\u903b\u8f91，\u5e76\u4e25\u683c\u5730\u6d4b\u8bd5\u5404\u79cd\u5f02\u5e38\u60c5\u51b5\u3002 <\/p>\n

            6.3 \u5f02\u5e38\u5904\u7406\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528 <\/h3>\n

            6.3.1 \u5b9e\u9645\u6848\u4f8b\u5206\u6790 <\/h4>\n

            \u5728\u5b9e\u9645\u5e94\u7528\u4e2d，\u7f51\u7edc\u5f02\u5e38\u5904\u7406\u673a\u5236\u662f\u4fdd\u8bc1\u670d\u52a1\u7a33\u5b9a\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4f8b\u5982，\u5728\u4e00\u4e2a\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7cfb\u7edf\u4e2d，\u5f53\u5ba2\u6237\u7aef\u5c1d\u8bd5\u4e0a\u4f20\u4e00\u4e2a\u6587\u4ef6\u65f6，\u53ef\u80fd\u56e0\u4e3a\u7f51\u7edc\u6ce2\u52a8\u5bfc\u81f4\u4e0a\u4f20\u4e2d\u65ad\u3002\u8fd9\u65f6，\u6211\u4eec\u7684\u7cfb\u7edf\u53ef\u4ee5\u8bb0\u5f55\u5f53\u524d\u5df2\u4e0a\u4f20\u7684\u90e8\u5206，\u5e76\u5728\u5f02\u5e38\u68c0\u6d4b\u5230\u540e，\u901a\u8fc7\u65ad\u70b9\u7eed\u4f20\u673a\u5236\u7ee7\u7eed\u4e0a\u4f20\u672a\u5b8c\u6210\u7684\u90e8\u5206，\u800c\u4e0d\u662f\u5b8c\u5168\u91cd\u5934\u5f00\u59cb\u3002 <\/p>\n

            6.3.2 \u5f02\u5e38\u5904\u7406\u7684\u4f18\u5316\u5efa\u8bae <\/h4>\n

            \u4ee5\u4e0b\u662f\u5173\u4e8e\u5f02\u5e38\u5904\u7406\u7684\u4f18\u5316\u5efa\u8bae： <\/p>\n

              \n
            • \u5b9a\u5236\u5316\u5f02\u5e38\u5904\u7406 ：\u4e3a\u4e0d\u540c\u7c7b\u578b\u7684\u7f51\u7edc\u5f02\u5e38\u8bbe\u8ba1\u7279\u5b9a\u7684\u5904\u7406\u673a\u5236\u3002 <\/li>\n
            • \u65e5\u5fd7\u8bb0\u5f55 ：\u8be6\u7ec6\u8bb0\u5f55\u5f02\u5e38\u53d1\u751f\u7684\u65f6\u95f4\u3001\u5730\u70b9\u3001\u7c7b\u578b\u4ee5\u53ca\u5904\u7406\u65b9\u5f0f，\u4fbf\u4e8e\u540e\u7eed\u5206\u6790\u548c\u5b9a\u4f4d\u95ee\u9898\u3002 <\/li>\n
            • \u76d1\u63a7\u544a\u8b66 ：\u5b9e\u73b0\u76d1\u63a7\u544a\u8b66\u7cfb\u7edf，\u4e00\u65e6\u53d1\u751f\u5f02\u5e38\u80fd\u591f\u53ca\u65f6\u901a\u77e5\u7ef4\u62a4\u4eba\u5458\u3002 <\/li>\n<\/ul>\n

              \u5b9e\u65bd\u8fd9\u4e9b\u4f18\u5316\u5efa\u8bae，\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7f16\u5199\u66f4\u52a0\u5065\u58ee\u548c\u7528\u6237\u53cb\u597d\u7684\u7f51\u7edc\u901a\u4fe1\u7a0b\u5e8f\u3002 <\/p>\n

              7. Socket\u7f16\u7a0b\u7684\u9ad8\u7ea7\u5e94\u7528 <\/h2>\n

              \u5728\u4e4b\u524d\u7684\u7ae0\u8282\u4e2d，\u6211\u4eec\u5df2\u7ecf\u8be6\u7ec6\u4e86\u89e3\u4e86Socket\u7f16\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6\u548c\u57fa\u672c\u64cd\u4f5c，\u5305\u62ec\u521b\u5efaSocket\u3001\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u673a\u5236\u3001\u6570\u636e\u4f20\u8f93\u539f\u7406\u53ca\u4f18\u5316\u3001\u4ee5\u53ca\u5982\u4f55\u6b63\u786e\u5173\u95edSocket\u8fde\u63a5\u3002\u5728\u672c\u7ae0\u4e2d，\u6211\u4eec\u5c06\u63a2\u8ba8Socket\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e9b\u9ad8\u7ea7\u5e94\u7528，\u4ee5\u53ca\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u5982\u4f55\u5229\u7528\u8fd9\u4e9b\u9ad8\u7ea7\u7279\u6027\u6765\u63d0\u5347\u7f51\u7edc\u901a\u4fe1\u7684\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002 <\/p>\n

              7.1 \u7aef\u53e3\u53f7\u7684\u4f5c\u7528\u548c\u9650\u5236 <\/h3>\n

              7.1.1 \u7aef\u53e3\u53f7\u7684\u5206\u914d\u89c4\u5219 <\/h4>\n

              \u5728\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u65f6，\u7aef\u53e3\u53f7\u662f\u7528\u4e8e\u533a\u5206\u4e0d\u540c\u5e94\u7528\u7a0b\u5e8f\u7684\u4e00\u4e2a\u91cd\u8981\u6807\u8bc6\u3002\u6bcf\u4e00\u4e2a\u7f51\u7edc\u670d\u52a1\u90fd\u5fc5\u987b\u7ed1\u5b9a\u4e00\u4e2a\u7aef\u53e3\u53f7，\u4ee5\u4fbf\u7cfb\u7edf\u53ef\u4ee5\u6b63\u786e\u5730\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u8def\u7531\u5230\u76f8\u5e94\u670d\u52a1\u3002\u7aef\u53e3\u53f7\u7531\u4e00\u4e2a16\u4f4d\u7684\u65e0\u7b26\u53f7\u6574\u6570\u8868\u793a，\u5176\u53d6\u503c\u8303\u56f4\u662f0\u523065535\u3002\u5176\u4e2d，0\u52301023\u8303\u56f4\u5185\u7684\u7aef\u53e3\u53f7\u901a\u5e38\u88ab\u7cfb\u7edf\u6216\u7279\u5b9a\u7684\u670d\u52a1\u4fdd\u7559\u4f7f\u7528，\u4f8b\u5982HTTP\u670d\u52a1\u901a\u5e38\u4f7f\u7528\u7aef\u53e380，HTTPS\u4f7f\u7528\u7aef\u53e3443\u3002 <\/p>\n

              7.1.2 \u7aef\u53e3\u51b2\u7a81\u7684\u89e3\u51b3\u65b9\u6cd5 <\/h4>\n

              \u7aef\u53e3\u51b2\u7a81\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a\u670d\u52a1\u5c1d\u8bd5\u7ed1\u5b9a\u5230\u540c\u4e00\u4e2a\u7aef\u53e3\u4e0a，\u8fd9\u4f1a\u5bfc\u81f4\u670d\u52a1\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u3002\u89e3\u51b3\u7aef\u53e3\u51b2\u7a81\u7684\u65b9\u6cd5\u4e00\u822c\u6709\u4ee5\u4e0b\u51e0\u79cd： <\/p>\n

                \n
              • \u91cd\u65b0\u914d\u7f6e\u51b2\u7a81\u7684\u670d\u52a1 ：\u624b\u52a8\u66f4\u6539\u5176\u4e2d\u4e00\u4e2a\u670d\u52a1\u7684\u7aef\u53e3\u53f7\u3002 <\/li>\n
              • \u7aef\u53e3\u590d\u7528 ：\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u652f\u6301\u7aef\u53e3\u590d\u7528\u529f\u80fd，\u5141\u8bb8\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u540c\u4e00\u4e2a\u7aef\u53e3\u53ef\u4ee5\u88ab\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u3002 <\/li>\n
              • \u7aef\u53e3\u968f\u673a\u5316 ：\u5728\u4e00\u4e9b\u5e94\u7528\u7a0b\u5e8f\u4e2d，\u53ef\u4ee5\u9009\u62e9\u8ba9\u7cfb\u7edf\u968f\u673a\u5206\u914d\u7aef\u53e3，\u4ee5\u51cf\u5c11\u53d1\u751f\u51b2\u7a81\u7684\u51e0\u7387\u3002 <\/li>\n<\/ul>\n

                7.2 \u5957\u63a5\u5b57\u5730\u5740\u7684\u7ec4\u6210 <\/h3>\n

                7.2.1 \u5957\u63a5\u5b57\u5730\u5740\u7ed3\u6784\u8be6\u89e3 <\/h4>\n

                \u5728Socket\u901a\u4fe1\u4e2d，\u5957\u63a5\u5b57\u5730\u5740\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u7f51\u7edc\u534f\u8bae\u4e2d，\u5957\u63a5\u5b57\u5730\u5740\u7684\u7ed3\u6784\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982，\u5728IPv4\u4e2d，\u5957\u63a5\u5b57\u5730\u5740\u901a\u5e38\u662f\u6307 sockaddr_in \u7ed3\u6784\u4f53，\u5b83\u5305\u542b\u4e86IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002 <\/p>\n

                struct sockaddr_in {
                \n sa_family_t sin_family; \/\/ \u5730\u5740\u65cf，\u4f8b\u5982AF_INET
                \n in_port_t sin_port; \/\/ \u7aef\u53e3\u53f7
                \n struct in_addr sin_addr; \/\/ IP\u5730\u5740
                \n \/\/ … \u53ef\u80fd\u8fd8\u6709\u989d\u5916\u7684\u586b\u5145\u5b57\u6bb5
                \n};<\/p>\n

                7.2.2 \u5730\u5740\u89e3\u6790\u548c\u8f6c\u6362 <\/h4>\n

                \u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d，\u7ecf\u5e38\u4f1a\u9047\u5230\u5730\u5740\u89e3\u6790\u548c\u8f6c\u6362\u7684\u95ee\u9898\u3002\u4f8b\u5982，\u5c06\u4e00\u4e2a\u57df\u540d\u89e3\u6790\u6210IP\u5730\u5740，\u6216\u8005\u5c06IP\u5730\u5740\u4ece\u4e8c\u8fdb\u5236\u5f62\u5f0f\u8f6c\u6362\u4e3a\u53ef\u8bfb\u7684\u5b57\u7b26\u4e32\u5f62\u5f0f\u3002\u8fd9\u4e9b\u64cd\u4f5c\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u6807\u51c6\u5e93\u63d0\u4f9b\u7684\u51fd\u6570\u6765\u5b8c\u6210，\u5982 getaddrinfo() \u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u4e3b\u673a\u540d\u548c\u670d\u52a1\u540d\u5230\u5730\u5740\u7ed3\u6784\u7684\u8f6c\u6362\u3002 <\/p>\n

                7.3 \u591a\u7ebf\u7a0b\u4e0e\u5f02\u6b65\u5904\u7406\u7684\u91cd\u8981\u6027 <\/h3>\n

                7.3.1 \u591a\u7ebf\u7a0b\u5728Socket\u901a\u4fe1\u4e2d\u7684\u5e94\u7528 <\/h4>\n

                \u5728\u5904\u7406\u7f51\u7edc\u901a\u4fe1\u65f6，\u591a\u7ebf\u7a0b\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5bf9\u4e8e\u670d\u52a1\u5668\u7aef\u6765\u8bf4，\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7ebf\u7a0b\u6765\u5904\u7406\u901a\u4fe1，\u4ece\u800c\u5b9e\u73b0\u5e76\u53d1\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u9700\u6c42\u3002 <\/p>\n

                void* handle_client(void* arg) {
                \n \/\/ \u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u4ee3\u7801
                \n}<\/p>\n

                7.3.2 \u5f02\u6b65\u5904\u7406\u7684\u4f18\u52bf\u548c\u5b9e\u73b0 <\/h4>\n

                \u5f02\u6b65\u5904\u7406\u5141\u8bb8\u7a0b\u5e8f\u5728\u7b49\u5f85I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6，\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1，\u4ece\u800c\u4e0d\u4f1a\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\u5728Socket\u7f16\u7a0b\u4e2d，\u53ef\u4ee5\u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u6216\u56de\u8c03\u51fd\u6570\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u5f02\u6b65\u5904\u7406\u3002 <\/p>\n

                \u4f8b\u5982，\u4f7f\u7528\u975e\u963b\u585e\u7684Socket，\u6211\u4eec\u53ef\u4ee5\u8c03\u7528 select() \u6216 poll() \u51fd\u6570\u6765\u8f6e\u8be2\u5957\u63a5\u5b57\u72b6\u6001，\u4ee5\u4fbf\u5728\u6570\u636e\u5230\u8fbe\u65f6\u7acb\u5373\u8fdb\u884c\u5904\u7406，\u800c\u4e0d\u4f1a\u5f71\u54cd\u5230\u5176\u4ed6\u64cd\u4f5c\u3002 <\/p>\n

                7.4 \u7b2c\u4e09\u65b9\u5e93\u5bf9Socket\u7f16\u7a0b\u7684\u7b80\u5316\u4e0e\u63d0\u5347 <\/h3>\n

                7.4.1 \u5e38\u7528\u7684Socket\u7f16\u7a0b\u5e93 <\/h4>\n

                \u5728\u5b9e\u9645\u7684\u9879\u76ee\u4e2d，\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u5927\u5927\u7b80\u5316Socket\u7f16\u7a0b\u7684\u590d\u6742\u5ea6\u3002\u4f8b\u5982，Boost.Asio\u662f\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684C++\u5e93，\u7528\u4e8e\u5f02\u6b65\u7f51\u7edc\u548c\u4f4e\u7ea7I\/O\u7f16\u7a0b\u3002\u8fd8\u6709\u5982libuv\u63d0\u4f9b\u4e86\u8de8\u5e73\u53f0\u7684\u5f02\u6b65I\/O\u64cd\u4f5c\u3002 <\/p>\n

                7.4.2 \u7b2c\u4e09\u65b9\u5e93\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7684\u5e94\u7528 <\/h4>\n

                \u7b2c\u4e09\u65b9\u5e93\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u4f9b\u57fa\u7840\u7684\u7f51\u7edc\u901a\u4fe1\u529f\u80fd，\u8fd8\u63d0\u4f9b\u4e86\u8bf8\u591a\u9ad8\u7ea7\u7279\u6027，\u6bd4\u5982SSL\u52a0\u5bc6\u3001\u5fc3\u8df3\u4fdd\u6d3b\u673a\u5236\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\u3002\u4f7f\u7528\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u907f\u514d\u5f00\u53d1\u8005\u91cd\u590d\u9020\u8f6e\u5b50，\u4ece\u800c\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u7684\u5f00\u53d1\u3002 <\/p>\n

                \u4f8b\u5982，\u4f7f\u7528Boost.Asio\u5b9e\u73b0\u4e00\u4e2aTCP\u670d\u52a1\u5668\u7684\u4ee3\u7801\u7247\u6bb5\u5982\u4e0b： <\/p>\n

                asio::io_service io_service;
                \nasio::ip::tcp::acceptor acceptor(io_service, asio::ip::tcp::endpoint(asio::ip::tcp::v4(), 1234));
                \nacceptor.listen();<\/p>\n

                asio::ip::tcp::socket socket(io_service);
                \nacceptor.accept(socket);<\/p>\n

                \/\/ \u63a5\u4e0b\u6765，\u53ef\u4ee5\u4f7f\u7528asio\u7684\u5f02\u6b65\u64cd\u4f5c\u6765\u5904\u7406\u8bfb\u5199\u7b49\u4efb\u52a1<\/p>\n

                \u901a\u8fc7\u8fd9\u4e9b\u9ad8\u7ea7\u5e94\u7528\u548c\u7b2c\u4e09\u65b9\u5e93\u7684\u4f7f\u7528，\u6211\u4eec\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u6784\u5efa\u7a33\u5b9a\u4e14\u9ad8\u6548\u7684\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f，\u5e94\u5bf9\u9ad8\u5e76\u53d1\u3001\u591a\u7528\u6237\u573a\u666f\u7684\u6311\u6218\u3002\u5728\u4e0b\u4e00\u7ae0\u4e2d，\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5b9e\u9645\u6848\u4f8b\u6765\u5177\u4f53\u8bf4\u660e\u5982\u4f55\u8fd0\u7528\u8fd9\u4e9b\u9ad8\u7ea7\u7279\u6027\u6765\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002 <\/p>\n

                \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\"<\/p>\n

                \u7b80\u4ecb：Socket\u7f16\u7a0b\u662f\u7f51\u7edc\u901a\u4fe1\u7684\u5173\u952e\u6280\u672f，\u5141\u8bb8\u670d\u52a1\u5668\u901a\u8fc7\u63d2\u53e3\u8bc6\u522b\u548c\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002\u672c\u6587\u4ecb\u7ecdSocket\u7f16\u7a0b\u7684\u57fa\u672c\u6b65\u9aa4\u548c\u6982\u5ff5，\u5982\u521b\u5efaSocket\u3001\u5efa\u7acb\u8fde\u63a5\u3001\u6570\u636e\u4f20\u8f93\u3001\u5173\u95ed\u8fde\u63a5\u548c\u5f02\u5e38\u5904\u7406\u3002\u7406\u89e3Socket\u7f16\u7a0b\u5bf9\u4e8e\u5f00\u53d1\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981，\u5e38\u7528\u6982\u5ff5\u5305\u62ec\u7aef\u53e3\u53f7\u3001\u5957\u63a5\u5b57\u5730\u5740\u3001I\/O\u6d41\u3001\u963b\u585e\u4e0e\u975e\u963b\u585e\u6a21\u5f0f，\u4ee5\u53ca\u591a\u7ebf\u7a0b\/\u5f02\u6b65\u5904\u7406\u3002\u9ad8\u7ea7\u529f\u80fd\u548c\u6027\u80fd\u63d0\u5347\u53ef\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u5982Netty\u3001Grizzly\u7b49\u5b9e\u73b0\u3002 <\/p>\n

                \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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