{"id":23559,"date":"2025-04-19T08:06:50","date_gmt":"2025-04-19T00:06:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/23559.html"},"modified":"2025-04-19T08:06:50","modified_gmt":"2025-04-19T00:06:50","slug":"c%e5%ad%a6%e4%b9%a0%e4%b9%8b%e5%a5%97%e6%8e%a5%e5%ad%97%e5%b9%b6%e5%8f%91%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/23559.html","title":{"rendered":"C++\u5b66\u4e60\u4e4b\u5957\u63a5\u5b57\u5e76\u53d1\u670d\u52a1\u5668"},"content":{"rendered":"

\u76ee\u5f55<\/p>\n

\u00a0<\/p>\n

1.\u6628\u5929\u5957\u63a5\u5b57\u670d\u52a1\u5668\u7684\u5f0a\u7aef<\/p>\n

2.\u5982\u4f55\u901a\u8fc7\u591a\u8fdb\u7a0b\u65b9\u5f0f\u5b9e\u73b0\u670d\u52a1\u5668\u5e76\u53d1<\/p>\n

3.\u591a\u8fdb\u7a0b\u670d\u52a1\u5668-1<\/p>\n

4.\u591a\u8fdb\u7a0b\u670d\u52a1\u5668-2<\/p>\n

5.\u591a\u8fdb\u7a0b\u7248\u7a0b\u5e8f-\u56de\u6536\u5b50\u8fdb\u7a0b\u88ab\u4fe1\u53f7\u4e2d\u65ad\u7684\u5904\u7406<\/p>\n

6.\u591a\u7ebf\u7a0b\u7248TCP\u670d\u52a1\u5904\u7406\u601d\u8def<\/p>\n

7.\u591a\u7ebf\u7a0b\u5e76\u53d1\u670d\u52a1\u5668\u7f16\u5199<\/p>\n

8.\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u628a\u6587\u4ef6\u63cf\u8ff0\u7b26\u5730\u5740\u4f20\u5230\u5b50\u7ebf\u7a0b\u4e2d<\/p>\n

9.\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u6d4b\u8bd5<\/p>\n

\n

\u00a0<\/p>\n

1.\u6628\u5929\u5957\u63a5\u5b57\u670d\u52a1\u5668\u7684\u5f0a\u7aef<\/h2>\n

```shell # fast sender -> \u5ba2\u6237\u7aef # slow recevicer -> \u670d\u52a1\u5668\u7aef # mss（Maximum Segment Size，\u5355\u6761\u6570\u636e\u6700\u5927\u957f\u5ea6） # SYN: \u8bf7\u6c42\u5efa\u7acb\u8fde\u63a5 # ACK: OK # FIN: \u8bf7\u6c42\u65ad\u5f00\u8fde\u63a5 # win: \u6ed1\u52a8\u7a97\u53e3\u5927\u5c0f ###############################\u00a0\u00a0\u4e09\u6b21\u63e1\u624b ############################### \u7b2c1\u6b65: \u00a0\u00a0\u00a0\u00a0\u5ba2\u6237\u7aef: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01. \u7ed9\u670d\u52a1\u5668\u53d1\u9001\u5efa\u7acb\u8fde\u63a5\u7684\u8bf7\u6c42 tcp\u534f\u8bae\u4e2d\u7684 SYN \u8d4b\u503c\u4e3a1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02. 0(0):\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01). \u7b2c\u4e00\u4e2a0: \u5ba2\u6237\u7aef\u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02). \u7b2c\u4e8c\u4e2a0: \u5ba2\u6237\u7aef\u7ed9\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\u643a\u5e26\u7684\u6570\u636e\u91cf \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03. win4096: \u5ba2\u6237\u7aef\u80fd\u591f\u7f13\u5b58\u7684\u6700\u5927\u6570\u636e\u91cf\u4e3a 4k \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04. mss 1460: \u53ef\u5904\u7406\u7684\u5355\u6761\u6700\u5927\u5b57\u8282\u65701460 \u7b2c2\u6b65: \u00a0\u00a0\u00a0\u00a0\u670d\u52a1\u5668: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01. ACK, \u5ba2\u6237\u7aef\u540c\u610f\u7684\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02. 1 \u4ee3\u8868\u786e\u8ba4\u5e8f\u53f7, \u5ba2\u6237\u7aef\u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 + \u63a5\u6536\u7684\u6570\u636e\u91cf \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– 0 + 1 = 1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03. SYN: \u670d\u52a1\u5668\u8bf7\u6c42\u548c\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04. 8000(0) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– 8000: \u670d\u52a1\u5668\u7aef\u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– 0: \u670d\u52a1\u5668\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u643a\u5e26\u7684\u6570\u636e\u91cf \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a05. win 6144: \u670d\u52a1\u5668\u7aef\u80fd\u591f\u7f13\u5b58\u7684\u6700\u5927\u6570\u636e\u91cf\u4e3a6k \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a06. mss 1024: \u670d\u52a1\u5668\u7aef\u5904\u7406\u7684\u5355\u6761\u6570\u636e\u6700\u5927\u957f\u5ea6 1k \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7b2c3\u6b65: \u00a0\u00a0\u00a0\u00a0\u5ba2\u6237\u7aef: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01. ACK: \u540c\u610f\u4e86\u670d\u52a1\u5668\u7684\u8fde\u63a5\u8bf7\u6c42 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02. 8001: \u786e\u8ba4\u5e8f\u53f7 = \u670d\u52a1\u5668\u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 + \u670d\u52a1\u5668\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u5b57\u8282\u6570 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a08000 + 1 = 8001 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03. win 4096: \u73b0\u5728\u5ba2\u6237\u7aef\u53ef\u4ee5\u7f13\u5b58\u7684\u6700\u5927\u6570\u636e\u91cf\u662f4k ###############################\u00a0\u00a0\u6570\u636e\u901a\u4fe1 ###############################<\/p>\n

<\/p>\n

\u00a0<\/p>\n

2.\u5982\u4f55\u901a\u8fc7\u591a\u8fdb\u7a0b\u65b9\u5f0f\u5b9e\u73b0\u670d\u52a1\u5668\u5e76\u53d1<\/h2>\n

\u7b2c4\u6b65: \u00a0\u00a0\u00a0\u00a0\u5ba2\u6237\u7aef\u7ed9\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01. 1(1024) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01). \u4e0a\u4e00\u6b21\u7684\u786e\u8ba4\u5e8f\u53f7, \u670d\u52a1\u5668\u56de\u590d\u7ed9\u5ba2\u6237\u7aef \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– 1\u4ee3\u8868\u6b21\u5df2\u7ecf\u6210\u529f\u53d1\u9001\u4e861\u4e2a\u5b57\u8282, \u8fd9\u6b21\u53d1\u9001\u7684\u6570\u636e\u91cf\u662f1024\u5b57\u8282 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02. 8001: \u786e\u8ba4\u5e8f\u53f7 = \u670d\u52a1\u5668\u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 + \u670d\u52a1\u5668\u7ed9\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u5b57\u8282\u6570 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a08000 + 1 = 8001 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03. win 4096: \u73b0\u5728\u5ba2\u6237\u7aef\u53ef\u4ee5\u7f13\u5b58\u7684\u6700\u5927\u6570\u636e\u91cf\u662f4k \u7b2c5,6,7,8,9 \u7565, \u53c2\u8003\u7b2c4\u6b65 \u00a0\u00a0\u00a0\u00a0\u5230\u7b2c9\u6b65, \u670d\u52a1\u5668\u63a5\u6536\u6570\u636e\u7684\u7f13\u5b58\u88ab\u5199\u6ee1, \u5ba2\u6237\u7aef\u7684\u53d1\u9001\u88ab\u963b\u585e\u4e86 \u00a0\u00a0\u00a0\u00a0 \u7b2c10\u6b65: \u00a0\u00a0\u00a0\u00a01. ack 6145: \u786e\u8ba4\u5e8f\u53f7, \u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u76846145\u5b57\u8282\u5df2\u7ecf\u6536\u5230\u4e86 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u63a5\u6536\u7684\u5b9e\u9645\u5b57\u8282\u6570: \u786e\u8ba4\u5e8f\u53f7 – \u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 \u00a0\u00a0\u00a0\u00a02. win 2048: \u544a\u8bc9\u5ba2\u6237\u7aef\u670d\u52a1\u5668\u7684\u63a5\u6536\u6570\u636e\u7684\u7f13\u5b58\u5927\u5c0f\u4e3a2k \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– \u56e0\u4e3a\u67092k\u6570\u636e\u88ab\u670d\u52a1\u5668\u7aef\u5904\u7406\u6389\u4e86 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7b2c11\u6b65: \u00a0\u00a0\u00a0\u00a01. ack 6145: \u786e\u8ba4\u5e8f\u53f7, \u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u76846145\u5b57\u8282\u5df2\u7ecf\u6536\u5230\u4e86 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u63a5\u6536\u7684\u5b9e\u9645\u5b57\u8282\u6570: \u786e\u8ba4\u5e8f\u53f7 – \u751f\u6210\u7684\u968f\u673a\u5e8f\u53f7 \u00a0\u00a0\u00a0\u00a02. win 4096: \u544a\u8bc9\u5ba2\u6237\u7aef\u670d\u52a1\u5668\u7684\u63a5\u6536\u6570\u636e\u7684\u7f13\u5b58\u5927\u5c0f\u4e3a4k \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– \u56e0\u4e3a\u67094k\u6570\u636e\u88ab\u670d\u52a1\u5668\u7aef\u5904\u7406\u6389\u4e86<\/p>\n

<\/p>\n

\u00a0<\/p>\n

3.\u591a\u8fdb\u7a0b\u670d\u52a1\u5668-1<\/h2>\n

\u00a0<\/p>\n

\u00a0```c \u00a0\u00a0\/\/ \u4e3b\u7ebf\u7a0b -> \u7b49\u5f85\u5e76\u63a5\u53d7\u5ba2\u6237\u7aef\u7684\u8fde\u63a5 \u00a0\u00a0\/\/ \u5b50\u7ebf\u7a0b -> \u5efa\u7acb\u8fde\u63a5\u4e4b\u540e\u5904\u7406\u901a\u4fe1\u7684\u6d41\u7a0b \u00a0\u00a0 \u00a0\u00a0\/\/ \u591a\u4e2a\u7ebf\u7a0b\u5171\u7528\u540c\u4e00\u4e2a\u865a\u62df\u5730\u5740\u7a7a\u95f4 \u00a0\u00a0\u5171\u4eab\u8d44\u6e90: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– \u5806\u533a \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u5168\u5c40\u6570\u636e\u533a \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868 \u00a0\u00a0\u72ec\u4eab\u8d44\u6e90: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0– \u6808\u533a \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\/\/ \u7ebf\u7a0b\u8d44\u6e90\u91ca\u653e: \u505a\u7ebf\u7a0b\u5206\u79bb \u00a0\u00a0``` \u00a0\u00a0 \u00a0\u00a0```c \u00a0\u00a0void* callback(void* arg) \u00a0\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u5b50\u7ebf\u7a0b\u7684\u5904\u7406\u52a8\u4f5c \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0while(1) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u901a\u4fe1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int len = recv(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if(len == 0) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0break; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0send(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0} \u00a0\u00a0 \u00a0\u00a0int main() \u00a0\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int lfd = socket(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bind(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0listen(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0while(1) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int cfd = accept(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ \u521b\u5efa\u5b50\u7ebf\u7a0b \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0pthread_create(&tid, NULL, callback, arg); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0} \u00a0\u00a0} \u00a0\u00a0``` \u00a0\u00a0 \u00a0\u00a0<\/p>\n

\u00a0<\/p>\n

4.\u591a\u8fdb\u7a0b\u670d\u52a1\u5668-2<\/h2>\n

\u00a0IP:\u00a0 \u00a0\u00a0–\u00a0\u79cd\u7c7b: \u00a0\u00a0\u00a0\u00a0–\u00a0\u5c40\u57df\u7f51 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0192.168.xx.xx \u00a0\u00a0\u00a0\u00a0–\u00a0\u5e7f\u57df\u7f51(\u516c\u7f51) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a088.99.1.34 \u00a0\u00a0–\u00a0\u534f\u8bae(\u7f51\u7edc\u5c42) \u00a0\u00a0\u00a0\u00a0–\u00a0ipv4 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a04\u5b57\u8282\u6574\u6570, \u4e00\u822c\u4f7f\u7528\u70b9\u5206\u5341\u8fdb\u5236\u5b57\u7b26\u4e32\u8868\u793a \u00a0\u00a0\u00a0\u00a0–\u00a0ipv6 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a016\u5b57\u8282, \u5206\u6210\u516b\u4efd, \u6bcf\u4efd\u4e24\u4e2a\u5b57\u8282 \u00a0\u00a0–\u00a0\u4f5c\u7528: \u00a0\u00a0\u00a0\u00a0–\u00a0\u4e3b\u673a\u7684\u5bb6, \u4e3b\u673a\u7684\u5730\u5740, \u901a\u8fc7ip\u5c31\u80fd\u627e\u5230\u7f51\u7edc\u4e2d\u7684\u67d0\u53f0\u4e3b\u673a –\u00a0\u7aef\u53e3 \u00a0\u00a0–\u00a0unsigned short \u00a0\u00a0–\u00a0\u4f5c\u7528: \u5b9a\u4f4d\u4e3b\u673a\u4e0a\u7684\u4e00\u4e2a\u8fdb\u7a0b \u00a0\u00a0–\u00a0\u53ea\u6709\u9700\u8981\u7f51\u7edc\u901a\u4fe1\u7684\u8fdb\u7a0b\u624d\u9700\u8981\u7ed1\u5b9a\u7aef\u53e3 \u00a0\u00a0–\u00a0\u53d6\u503c\u8303\u56f4 0-65535 \u00a0\u00a0–\u00a0\u4f7f\u7528, \u901a\u8fc7\u6d4f\u89c8\u5668\u8fdb\u884c\u670d\u52a1\u5668\u8bbf\u95ee: \u00a0\u00a0\u00a0\u00a0–\u00a0192.168.1.100:9999 –\u00a0\u57df\u540d: \u00a0\u00a0–\u00a0\u7279\u6b8a\u7684\u5b57\u7b26\u4e32, \u9700\u8981\u548cIP\u7ed1\u5b9a, \u6210\u529f\u4e4b\u540e\u624d\u53ef\u4ee5\u8bbf\u95ee\u670d\u52a1\u5668 \u00a0\u00a0–\u00a0\u57df\u540d\u8bbf\u95ee-> \u57df\u540d\u89e3\u6790 -> \u5f97\u5230IP -> \u901a\u8fc7IP\u8bbf\u95ee\u670d\u52a1\u5668\u00a0 –\u00a0\u5b57\u8282\u5e8f: \u00a0\u00a0–\u00a0\u6570\u636e\u5728\u5185\u5b58\u4e2d\u7684\u5b58\u50a8\u987a\u5e8f, \u5355\u4f4d\u662f\u5b57\u8282 \u00a0\u00a0–\u00a0\u5b57\u7b26\u4e32\u6ca1\u6709\u5b57\u8282\u5e8f\u95ee\u9898 \u00a0\u00a0–\u00a0\u5206\u7c7b: \u00a0\u00a0\u00a0\u00a0–\u00a0\u5927\u7aef(\u7f51\u7edc\u5b57\u8282\u5e8f) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u9ad8\u4f4e, \u4f4e\u9ad8 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u7f51\u7edc\u901a\u4fe1\u7684\u65f6\u5019\u7528\u5927\u7aef \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0IP\u548c\u7aef\u53e3 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u4f20\u8f93\u7684\u6570\u636e (\u5982\u679c\u662f\u5b57\u7b26\u4e32\u5c31\u53ef\u4ee5\u4e0d\u8f6c\u6362\u4e86) \u00a0\u00a0\u00a0\u00a0–\u00a0\u5c0f\u7aef(\u4e3b\u673a\u5b57\u8282\u5e8f)\u00a0\u00a00x12345678 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u4f4e\u4f4e, \u9ad8\u9ad8 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0–\u00a0\u6211\u4eec\u4f7f\u7528\u7684pc\u673a\u9ed8\u8ba4\u662f\u5c0f\u7aef\u5b58\u50a8<\/p>\n

<\/p>\n

\u00a0<\/p>\n

5.\u591a\u8fdb\u7a0b\u7248\u7a0b\u5e8f-\u56de\u6536\u5b50\u8fdb\u7a0b\u88ab\u4fe1\u53f7\u4e2d\u65ad\u7684\u5904\u7406<\/h2>\n

\u00a0\u57fa\u4e8etcp\u7684\u901a\u4fe1\u6d41\u7a0b \u00a0\u00a0–\u00a0\u670d\u52a1\u5668 \u00a0\u00a0\u00a0\u00a01.\u00a0\u521b\u5efa\u76d1\u542c\u7684\u5957\u63a5\u5b57 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int lfd = socket(); \u00a0\u00a0\u00a0\u00a02.\u00a0\u548c\u672c\u5730\u7684IP port\u7ed1\u5b9a \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0bind(); \u00a0\u00a0\u00a0\u00a03.\u00a0\u8bbe\u7f6e\u76d1\u542c \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0listen() \u00a0\u00a0\u00a0\u00a04.\u00a0\u963b\u585e\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int cfd = accept();<\/p>\n

<\/p>\n

\u00a0<\/p>\n

6.\u591a\u7ebf\u7a0b\u7248TCP\u670d\u52a1\u5904\u7406\u601d\u8def<\/h2>\n

\u00a04.\u00a0\u963b\u585e\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int cfd = accept(); \u00a0\u00a0\u00a0\u00a05.\u00a0\u901a\u4fe1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0read\/recv \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0write\/send \u00a0\u00a0\u00a0\u00a06.\u00a0\u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0close() \u00a0\u00a0–\u00a0\u5ba2\u6237\u7aef \u00a0\u00a0\u00a0\u00a01.\u00a0\u521b\u5efa\u901a\u4fe1\u7684\u5957\u63a5\u5b57 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int cfd\u00a0\u00a0=socket(); \u00a0\u00a0\u00a0\u00a02.\u00a0\u8fde\u63a5\u670d\u52a1\u5668, \u901a\u8fc7\u670d\u52a1\u5668\u7ed1\u5b9a\u7684\u5730\u5740, \u5730\u5740\u4fe1\u606f\u9700\u8981\u4f7f\u7528\u7f51\u7edc\u5b57\u8282\u5e8f \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0connect(); \u00a0\u00a0\u00a0\u00a03.\u00a0\u901a\u4fe1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0read\/recv \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0write\/send \u00a0\u00a0\u00a0\u00a04.\u00a0\u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0close();<\/p>\n

<\/p>\n

\u00a0<\/p>\n

7.\u591a\u7ebf\u7a0b\u5e76\u53d1\u670d\u52a1\u5668\u7f16\u5199<\/h2>\n

<\/p>\n

<\/h2>\n

\u00a0<\/p>\n

8.\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u628a\u6587\u4ef6\u63cf\u8ff0\u7b26\u5730\u5740\u4f20\u5230\u5b50\u7ebf\u7a0b\u4e2d<\/h2>\n

<\/p>\n

<\/h2>\n

\u00a0<\/p>\n

9.\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u6d4b\u8bd5<\/h2>\n

<\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

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