{"id":17809,"date":"2024-11-18T12:30:40","date_gmt":"2024-11-18T04:30:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17809\/"},"modified":"2024-11-18T12:30:40","modified_gmt":"2024-11-18T04:30:40","slug":"linux%e5%8d%8f%e8%ae%ae%e6%a0%88%e4%b8%ad%e5%b8%b8%e8%a7%81%e7%9a%84%e7%bd%91%e7%bb%9c%e5%8d%8f%e8%ae%ae%e5%8f%8a%e5%8a%9f%e8%83%bd%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17809\/","title":{"rendered":"Linux\u534f\u8bae\u6808\u4e2d\u5e38\u89c1\u7684\u7f51\u7edc\u534f\u8bae\u53ca\u529f\u80fd\u4ecb\u7ecd"},"content":{"rendered":"

\"Linux\u534f\u8bae\u6808\u4e2d\u5e38\u89c1\u7684\u7f51\u7edc\u534f\u8bae\u53ca\u529f\u80fd\u4ecb\u7ecd\u63d2\u56fe\"<\/p>\n

Linux\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u7f51\u7edc\u534f\u8bae\u6808\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u8d1f\u8d23\u5904\u7406\u7f51\u7edc\u6570\u636e\u7684\u4f20\u8f93\u3001\u8def\u7531\u3001\u8fde\u63a5\u7ba1\u7406\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLinux\u534f\u8bae\u6808\u4e2d\u5e38\u89c1\u7684\u4e00\u4e9b\u7f51\u7edc\u534f\u8bae\u53ca\u5176\u529f\u80fd\uff0c\u5e76\u9644\u4e0a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. TCP\u534f\u8bae<\/strong><\/li>\n<\/ol>\n

    TCP\uff08Transmission Control Protocol\uff09\u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u3001\u53ef\u9760\u7684\u3001\u57fa\u4e8e\u5b57\u8282\u6d41\u7684\u4f20\u8f93\u534f\u8bae\u3002\u5b83\u63d0\u4f9b\u4e86\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u3001\u6d41\u91cf\u63a7\u5236\u3001\u62e5\u585e\u63a7\u5236\u7b49\u529f\u80fd\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\u3002<\/p>\n

    \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f7f\u7528TCP\u534f\u8bae\u8fdb\u884c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u793a\u4f8b\uff1a<\/p>\n

    \/\/ TCP client\n#include <sys>\n#include <netinet>\n#include <stdio.h>\n#include <string.h>\n\nint main() {\n    int sockfd;\n    struct sockaddr_in server_addr;\n    char buffer[1024];\n\n    sockfd = socket(AF_INET, SOCK_STREAM, 0);\n\n    server_addr.sin_family = AF_INET;\n    server_addr.sin_port = htons(8080);\n    server_addr.sin_addr.s_addr = inet_addr(\"127.0.0.1\");\n\n    connect(sockfd, (struct sockaddr*)&amp;server_addr, sizeof(server_addr));\n\n    send(sockfd, \"Hello, server!\", strlen(\"Hello, server!\"), 0);\n\n    recv(sockfd, buffer, sizeof(buffer), 0);\n\n    printf(\"%s\n\", buffer);\n\n    close(sockfd);\n\n    return 0;\n}<\/string.h><\/stdio.h><\/netinet><\/sys><\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \/\/ TCP server\n#include <sys>\n#include <netinet>\n#include <stdio.h>\n#include <string.h>\n\nint main() {\n    int sockfd, client_sock;\n    struct sockaddr_in server_addr, client_addr;\n    char buffer[1024];\n\n    sockfd = socket(AF_INET, SOCK_STREAM, 0);\n\n    server_addr.sin_family = AF_INET;\n    server_addr.sin_port = htons(8080);\n    server_addr.sin_addr.s_addr = htonl(INADDR_ANY);\n\n    bind(sockfd, (struct sockaddr*)&amp;server_addr, sizeof(server_addr));\n\n    listen(sockfd, 5);\n\n    int addr_len = sizeof(client_addr);\n    client_sock = accept(sockfd, (struct sockaddr*)&amp;client_addr, &amp;addr_len);\n\n    recv(client_sock, buffer, sizeof(buffer), 0);\n\n    printf(\"%s\n\", buffer);\n\n    send(client_sock, \"Hello, client!\", strlen(\"Hello, client!\"), 0);\n\n    close(client_sock);\n    close(sockfd);\n\n    return 0;\n}<\/string.h><\/stdio.h><\/netinet><\/sys><\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. UDP\u534f\u8bae<\/strong><\/li>\n<\/ol>\n
      UDP\uff08User Datagram Protocol\uff09\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u3001\u4e0d\u53ef\u9760\u7684\u4f20\u8f93\u534f\u8bae\uff0c\u5b83\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u987a\u5e8f\u6027\uff0c\u9002\u7528\u4e8e\u4e00\u4e9b\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/p>\n
      \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f7f\u7528UDP\u534f\u8bae\u8fdb\u884c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u793a\u4f8b\uff1a<\/p>\n
      \/\/ UDP client\n#include <sys>\n#include <netinet>\n#include <stdio.h>\n#include <string.h>\n\nint main() {\n    int sockfd;\n    struct sockaddr_in server_addr;\n    char buffer[1024];\n\n    sockfd = socket(AF_INET, SOCK_DGRAM, 0);\n\n    server_addr.sin_family = AF_INET;\n    server_addr.sin_port = htons(8080);\n    server_addr.sin_addr.s_addr = inet_addr(\"127.0.0.1\");\n\n    sendto(sockfd, \"Hello, server!\", strlen(\"Hello, server!\"), 0, (struct sockaddr*)&amp;server_addr, sizeof(server_addr));\n\n    recv(sockfd, buffer, sizeof(buffer), 0);\n\n    printf(\"%s\n\", buffer);\n\n    close(sockfd);\n\n    return 0;\n}<\/string.h><\/stdio.h><\/netinet><\/sys><\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \/\/ UDP server\n#include <sys>\n#include <netinet>\n#include <stdio.h>\n#include <string.h>\n\nint main() {\n    int sockfd;\n    struct sockaddr_in server_addr, client_addr;\n    char buffer[1024];\n\n    sockfd = socket(AF_INET, SOCK_DGRAM, 0);\n\n    server_addr.sin_family = AF_INET;\n    server_addr.sin_port = htons(8080);\n    server_addr.sin_addr.s_addr = htonl(INADDR_ANY);\n\n    bind(sockfd, (struct sockaddr*)&amp;server_addr, sizeof(server_addr));\n\n    int addr_len = sizeof(client_addr);\n    recvfrom(sockfd, buffer, sizeof(buffer), 0, (struct sockaddr*)&amp;client_addr, &amp;addr_len);\n\n    printf(\"%s\n\", buffer);\n\n    sendto(sockfd, \"Hello, client!\", strlen(\"Hello, client!\"), 0, (struct sockaddr*)&amp;client_addr, addr_len);\n\n    close(sockfd);\n\n    return 0;\n}<\/string.h><\/stdio.h><\/netinet><\/sys><\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u9664\u4e86TCP\u548cUDP\u534f\u8bae\u5916\uff0cLinux\u534f\u8bae\u6808\u8fd8\u652f\u6301\u8bf8\u5982IP\u534f\u8bae\u3001ICMP\u534f\u8bae\u3001ARP\u534f\u8bae\u7b49\u7f51\u7edc\u534f\u8bae\uff0c\u5b83\u4eec\u5171\u540c\u6784\u6210\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u7edc\u901a\u4fe1\u4f53\u7cfb\uff0c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7f51\u7edc\u901a\u4fe1\u529f\u80fd\u3002\u901a\u8fc7\u5b66\u4e60\u548c\u7406\u89e3\u8fd9\u4e9b\u7f51\u7edc\u534f\u8bae\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\uff0c\u6784\u5efa\u9ad8\u6548\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fLinux\u534f\u8bae\u6808\u4e2d\u5e38\u89c1\u7684\u7f51\u7edc\u534f\u8bae\u53ca\u529f\u80fd\u4ecb\u7ecd\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      Linux\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u7f51\u7edc\u534f\u8bae\u6808\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u8d1f\u8d23\u5904\u7406\u7f51\u7edc\u6570\u636e\u7684\u4f20\u8f93\u3001\u8def\u7531\u3001\u8fde\u63a5\u7ba1\u7406\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLinux\u534f\u8bae\u6808\u4e2d\u5e38\u89c1\u7684\u4e00\u4e9b\u7f51\u7edc\u534f\u8bae\u53ca\u5176\u529f\u80fd\uff0c\u5e76\u9644\u4e0a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 TCP\u534f\u8bae TCP\uff08Transmission Control Protocol\uff09\u662f\u4e00\u79cd\u9762\u5411\u8fde\u63a5\u7684\u3001\u53ef\u9760\u7684\u3001\u57fa\u4e8e\u5b57\u8282\u6d41\u7684\u4f20\u8f93\u534f\u8bae\u3002\u5b83\u63d0\u4f9b\u4e86\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u3001\u6d41\u91cf\u63a7\u5236\u3001\u62e5\u585e\u63a7\u5236\u7b49\u529f\u80fd\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f7f\u7528TCP\u534f\u8bae\u8fdb\u884c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u7684\u793a\u4f8b\uff1a \/\/ TCP client #include <sys> #include <netinet> #include <stdio.h> #include <string.h> int main() { int sockfd; struct sockaddr_in server_addr; char buffer[1024]; sockfd = socket(AF_INET, SOCK_STREAM, 0); server_addr.sin_family = AF_INET; server_addr.sin_port = htons(8080); server_addr.sin_addr.s_addr = inet_addr(“127.0.0.1”); connect(sockfd, (struct sockaddr*)&amp;server_addr, sizeof(server_addr)); send(sockfd, “Hello, server!”, strlen(“Hello, server!”), 0); recv(sockfd, buffer, sizeof(buffer), 0); […]<\/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-17809","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17809","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=17809"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17809\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}