{"id":61286,"date":"2025-04-29T12:30:26","date_gmt":"2025-04-29T04:30:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61286\/"},"modified":"2025-04-29T12:30:26","modified_gmt":"2025-04-29T04:30:26","slug":"%e9%85%8d%e7%bd%aelinux%e7%b3%bb%e7%bb%9f%e4%bb%a5%e6%94%af%e6%8c%81udp%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61286\/","title":{"rendered":"\u914d\u7f6eLinux\u7cfb\u7edf\u4ee5\u652f\u6301UDP\u7f51\u7edc\u7f16\u7a0b"},"content":{"rendered":"

\u914d\u7f6elinux\u7cfb\u7edf\u4ee5\u652f\u6301udp\u7f51\u7edc\u7f16\u7a0b<\/p>\n

\u4f5c\u4e3a\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0cLinux \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7f51\u7edc\u7f16\u7a0b\u80fd\u529b\u3002\u672c\u6587\u5c06\u7b80\u8981\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6e Linux \u7cfb\u7edf\u4ee5\u652f\u6301 UDP\uff08User Datagram Protocol\uff0c\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff09\u7f51\u7edc\u7f16\u7a0b\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u7cfb\u7edf\u5df2\u7ecf\u6b63\u786e\u5b89\u88c5\u4e86 Linux \u64cd\u4f5c\u7cfb\u7edf\u3002\u5177\u4f53\u5b89\u88c5\u6b65\u9aa4\u53ef\u53c2\u8003 Linux \u5b89\u88c5\u6559\u7a0b\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u7cfb\u7edf\u8fdb\u884c\u4e00\u4e9b\u914d\u7f6e\u3002<\/p>\n

    \n
  1. \u68c0\u67e5\u7cfb\u7edf\u5185\u6838\u7248\u672c
    UDP \u662f\u5728\u4f20\u8f93\u5c42\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u786e\u4fdd\u7cfb\u7edf\u5185\u6838\u652f\u6301 UDP\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u5185\u6838\u7248\u672c\uff1a<\/li>\n<\/ol>\n
    uname -r<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u786e\u4fdd\u5185\u6838\u7248\u672c\u662f\u6700\u65b0\u7684\u7a33\u5b9a\u7248\uff0c\u5982\u679c\u4e0d\u662f\uff0c\u53ef\u4ee5\u8003\u8651\u5347\u7ea7\u5185\u6838\u3002\u5177\u4f53\u5185\u6838\u5347\u7ea7\u6b65\u9aa4\u8bf7\u53c2\u8003\u76f8\u5173\u6587\u6863\u3002<\/p>\n
      \n
    1. \u786e\u8ba4\u7f51\u7edc\u914d\u7f6e
      \u5728\u8fdb\u884c UDP \u7f51\u7edc\u7f16\u7a0b\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u7f51\u7edc\u914d\u7f6e\u6b63\u786e\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u7f51\u7edc\u914d\u7f6e\uff1a<\/li>\n<\/ol>\n
      ifconfig<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u786e\u4fdd\u7f51\u7edc\u63a5\u53e3\u5df2\u7ecf\u6b63\u786e\u914d\u7f6e\u5e76\u5206\u914d\u4e86 IP \u5730\u5740\u3002<\/p>\n
        \n
      1. \u68c0\u67e5 UDP \u7aef\u53e3
        UDP \u7f51\u7edc\u7f16\u7a0b\u9700\u8981\u4f7f\u7528 UDP \u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e0a\u6253\u5f00\u7684 UDP \u7aef\u53e3\uff1a<\/li>\n<\/ol>\n
        netstat -lnup<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u786e\u4fdd\u7cfb\u7edf\u4e0a\u6ca1\u6709\u5360\u7528\u6211\u4eec\u9700\u8981\u4f7f\u7528\u7684 UDP \u7aef\u53e3\u3002\u5982\u679c\u6709\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u5728\u4f7f\u7528\u8be5\u7aef\u53e3\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u6362\u5176\u4ed6\u7a7a\u95f2\u7684\u7aef\u53e3\u3002<\/p>\n
        \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u63d0\u4f9b\u4e00\u4e9b\u57fa\u672c\u7684 UDP \u7f51\u7edc\u7f16\u7a0b\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u5927\u5bb6\u66f4\u597d\u5730\u7406\u89e3 UDP \u7f51\u7edc\u7f16\u7a0b\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n
        \u793a\u4f8b\u4e00\uff1aUDP \u5ba2\u6237\u7aef\u793a\u4f8b\u4ee3\u7801<\/p>\n
        #include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <sys>\n#include <netinet>\n#include <arpa>\n\n#define MAX_BUFFER_SIZE 1024\n#define SERVER_IP \"127.0.0.1\"\n#define SERVER_PORT 8080\n\nint main() {\n    \/\/ \u521b\u5efa UDP socket\n    int sock = socket(AF_INET, SOCK_DGRAM, 0);\n    if (sock <p>\u793a\u4f8b\u4e8c\uff1aUDP \u670d\u52a1\u5668\u793a\u4f8b\u4ee3\u7801<\/p>\n<pre class=\"brush:c;toolbar:false;\">#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <sys>\n#include <netinet>\n#include <arpa>\n\n#define MAX_BUFFER_SIZE 1024\n#define SERVER_PORT 8080\n\nint main() {\n    \/\/ \u521b\u5efa UDP socket\n    int sock = socket(AF_INET, SOCK_DGRAM, 0);\n    if (sock <p>\u53c2\u8003\u4ee5\u4e0a\u793a\u4f8b\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c UDP \u7f51\u7edc\u7f16\u7a0b\u3002\u5728\u793a\u4f8b\u4e00\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a UDP \u5ba2\u6237\u7aef\uff0c\u5e76\u5411\u6307\u5b9a\u7684\u670d\u52a1\u5668\u5730\u5740\u53d1\u9001\u6570\u636e\u3002\u793a\u4f8b\u4e8c\u5219\u5c55\u793a\u4e86\u4e00\u4e2a\u7b80\u5355\u7684 UDP \u670d\u52a1\u5668\uff0c\u8be5\u670d\u52a1\u5668\u53ef\u4ee5\u63a5\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6570\u636e\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u7684\u914d\u7f6e\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u5728 Linux \u7cfb\u7edf\u4e0a\u8fdb\u884c UDP \u7f51\u7edc\u7f16\u7a0b\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u66f4\u52a0\u590d\u6742\u7684\u7f51\u7edc\u5e94\u7528\u5f00\u53d1\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528 UDP \u7f51\u7edc\u7f16\u7a0b\u6280\u672f\u3002<\/p><\/arpa><\/netinet><\/sys><\/string.h><\/stdlib.h><\/stdio.h><\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \u4ee5\u4e0a\u5c31\u662f\u914d\u7f6eLinux\u7cfb\u7edf\u4ee5\u652f\u6301UDP\u7f51\u7edc\u7f16\u7a0b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u914d\u7f6elinux\u7cfb\u7edf\u4ee5\u652f\u6301udp\u7f51\u7edc\u7f16\u7a0b \u4f5c\u4e3a\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0cLinux \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7f51\u7edc\u7f16\u7a0b\u80fd\u529b\u3002\u672c\u6587\u5c06\u7b80\u8981\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6e Linux \u7cfb\u7edf\u4ee5\u652f\u6301 UDP\uff08User Datagram Protocol\uff0c\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff09\u7f51\u7edc\u7f16\u7a0b\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u7cfb\u7edf\u5df2\u7ecf\u6b63\u786e\u5b89\u88c5\u4e86 Linux \u64cd\u4f5c\u7cfb\u7edf\u3002\u5177\u4f53\u5b89\u88c5\u6b65\u9aa4\u53ef\u53c2\u8003 Linux \u5b89\u88c5\u6559\u7a0b\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u7cfb\u7edf\u8fdb\u884c\u4e00\u4e9b\u914d\u7f6e\u3002 \u68c0\u67e5\u7cfb\u7edf\u5185\u6838\u7248\u672cUDP \u662f\u5728\u4f20\u8f93\u5c42\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u786e\u4fdd\u7cfb\u7edf\u5185\u6838\u652f\u6301 UDP\u3002\u5728\u7ec8\u7aef\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u5185\u6838\u7248\u672c\uff1a uname -r \u767b\u5f55\u540e\u590d\u5236 \u786e\u4fdd\u5185\u6838\u7248\u672c\u662f\u6700\u65b0\u7684\u7a33\u5b9a\u7248\uff0c\u5982\u679c\u4e0d\u662f\uff0c\u53ef\u4ee5\u8003\u8651\u5347\u7ea7\u5185\u6838\u3002\u5177\u4f53\u5185\u6838\u5347\u7ea7\u6b65\u9aa4\u8bf7\u53c2\u8003\u76f8\u5173\u6587\u6863\u3002 \u786e\u8ba4\u7f51\u7edc\u914d\u7f6e\u5728\u8fdb\u884c UDP \u7f51\u7edc\u7f16\u7a0b\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u7f51\u7edc\u914d\u7f6e\u6b63\u786e\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u7f51\u7edc\u914d\u7f6e\uff1a ifconfig \u767b\u5f55\u540e\u590d\u5236 \u786e\u4fdd\u7f51\u7edc\u63a5\u53e3\u5df2\u7ecf\u6b63\u786e\u914d\u7f6e\u5e76\u5206\u914d\u4e86 IP \u5730\u5740\u3002 \u68c0\u67e5 UDP \u7aef\u53e3UDP \u7f51\u7edc\u7f16\u7a0b\u9700\u8981\u4f7f\u7528 UDP \u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e0a\u6253\u5f00\u7684 UDP \u7aef\u53e3\uff1a netstat -lnup \u767b\u5f55\u540e\u590d\u5236 \u786e\u4fdd\u7cfb\u7edf\u4e0a\u6ca1\u6709\u5360\u7528\u6211\u4eec\u9700\u8981\u4f7f\u7528\u7684 UDP \u7aef\u53e3\u3002\u5982\u679c\u6709\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u5728\u4f7f\u7528\u8be5\u7aef\u53e3\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u6362\u5176\u4ed6\u7a7a\u95f2\u7684\u7aef\u53e3\u3002 \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u63d0\u4f9b\u4e00\u4e9b\u57fa\u672c\u7684 UDP \u7f51\u7edc\u7f16\u7a0b\u793a\u4f8b\uff0c\u4ee5\u5e2e\u52a9\u5927\u5bb6\u66f4\u597d\u5730\u7406\u89e3 UDP \u7f51\u7edc\u7f16\u7a0b\u7684\u5de5\u4f5c\u539f\u7406\u3002 \u793a\u4f8b\u4e00\uff1aUDP \u5ba2\u6237\u7aef\u793a\u4f8b\u4ee3\u7801 #include <stdio.h> #include <stdlib.h> #include <string.h> […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-61286","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=61286"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61286\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}