<\/b> <\/p>\nLinux\u534f\u8bae\u6808\u5173\u952e\u7ec4\u6210\u90e8\u5206\u7684\u8be6\u5c3d\u5206\u6790<\/h1>\n
Linux\u534f\u8bae\u6808\u4f5c\u4e3a\u5176\u7f51\u7edc\u901a\u4fe1\u7684\u6838\u5fc3\uff0c\u7531\u5173\u952e\u7ec4\u6210\u90e8\u5206\u5171\u540c\u4f5c\u7528\u3002\u5176\u4e2d\uff0c\u7f51\u7edc\u63a5\u53e3\u8d1f\u8d23\u6570\u636e\u6536\u53d1\uff0c\u5957\u63a5\u5b57\u5145\u5f53\u5e94\u7528\u5c42\u548c\u4f20\u8f93\u5c42\u4e4b\u95f4\u7684\u6865\u6881\u3002TCP\/IP\u534f\u8bae\u6808\u5219\u5b9e\u73b0\u4e86\u4f20\u8f93\u5c42\u548c\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u5982TCP\u548cIP\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u5efa\u7acb\u8fde\u63a5\u5e76\u4ea4\u6362\u6570\u636e\u3002\u672c\u6587\u5c06\u6df1\u5165\u5206\u6790\u8fd9\u4e9b\u7ec4\u6210\u90e8\u5206\uff0c\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u9610\u8ff0\u5176\u529f\u80fd\u548c\u4ea4\u4e92\uff0c\u5e2e\u52a9\u8bfb\u8005\u5168\u9762\u7406\u89e3Linux\u7f51\u7edc\u901a\u4fe1\u7684\u5e95\u5c42\u673a\u5236\u3002<\/p>\n
Linux\u64cd\u4f5c\u7cfb\u7edf\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u7cfb\u7edf\uff0c\u5728\u7f51\u7edc\u901a\u4fe1\u9886\u57df\u8868\u73b0\u51fa\u8272\uff0c\u5176\u4e2d\u7684\u534f\u8bae\u6808\u88ab\u8ba4\u4e3a\u662f\u5173\u952e\u7ec4\u6210\u90e8\u5206\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5ea6\u89e3\u8bfbLinux\u534f\u8bae\u6808\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff0c\u5305\u62ec\u7f51\u7edc\u63a5\u53e3\u3001\u5957\u63a5\u5b57\u3001TCP\/IP\u534f\u8bae\u6808\u7b49\uff0c\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n
\u7f51\u7edc\u63a5\u53e3\u662fLinux\u534f\u8bae\u6808\u4e2d\u6700\u5e95\u5c42\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\uff0c\u8d1f\u8d23\u5b9e\u73b0\u7f51\u7edc\u6570\u636e\u5305\u7684\u6536\u53d1\u3002\u5728Linux\u4e2d\uff0c\u7f51\u7edc\u63a5\u53e3\u901a\u8fc7\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6765\u5b9e\u73b0\uff0c\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\uff0c\u4f8b\u5982eth0\u3001eth1\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7ifconfig\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u7684\u7f51\u7edc\u63a5\u53e3\u4fe1\u606f\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
ifconfig<\/pre>\n\u5728Linux\u4e2d\uff0c\u7f51\u7edc\u63a5\u53e3\u7684\u5957\u63a5\u5b57\u5730\u5740\u7ed3\u6784\u5b9a\u4e49\u5728
<linux\/if.h><\/code>\u5934\u6587\u4ef6\u4e2d\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528socket()\u548cbind()\u6765\u521b\u5efa\u4e00\u4e2a\u7ed1\u5b9a\u5230\u6307\u5b9a\u7f51\u7edc\u63a5\u53e3\u7684\u5957\u63a5\u5b57\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n#include <sys\/types.h>\n#include <sys\/socket.h>\n#include <linux\/if.h>\n\nint main() {\n int sockfd;\n struct sockaddr sa;\n\n sockfd = socket(AF_INET, SOCK_DGRAM, 0);\n if(sockfd < 0) {\n perror(\"socket\");\n return -1;\n }\n\n struct ifreq ifr;\n memset(&ifr, 0, sizeof(ifr));\n strcpy(ifr.ifr_name, \"eth0\");\n\n if(setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE, (void*)&ifr, sizeof(ifr)) < 0) {\n perror(\"setsockopt\");\n close(sockfd);\n return -1;\n }\n\n close(sockfd);\n}<\/pre>\n2. \u5957\u63a5\u5b57<\/h3>\n
\u5957\u63a5\u5b57\u662fLinux\u534f\u8bae\u6808\u4e2d\u7684\u4e2d\u95f4\u4ef6\uff0c\u8d1f\u8d23\u5904\u7406\u5e94\u7528\u5c42\u548c\u4f20\u8f93\u5c42\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5728Linux\u4e2d\uff0c\u5957\u63a5\u5b57\u63a5\u53e3\u5b9a\u4e49\u5728
<sys\/socket.h><\/code>\u5934\u6587\u4ef6\u4e2d\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7socket()\u3001bind()\u3001listen()\u3001accept()\u3001connect()\u7b49\u51fd\u6570\u6765\u521b\u5efa\u548c\u7ba1\u7406\u5957\u63a5\u5b57\u3002<\/p>\n\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684TCP\u670d\u52a1\u5668\u793a\u4f8b\u4ee3\u7801\uff0c\u5b9e\u73b0\u4e86\u4e00\u4e2a\u57fa\u4e8e\u5957\u63a5\u5b57\u7684\u7b80\u5355Echo\u670d\u52a1\u5668\uff1a<\/p>\n
#include <sys\/types.h>\n#include <sys\/socket.h>\n#include <netinet\/in.h>\n#include <unistd.h>\n#include <string.h>\n\n#define PORT 8080\n\nint main() {\n int sockfd, new_sockfd;\n struct sockaddr_in server_addr, client_addr;\n char buffer[1024];\n\n sockfd = socket(AF_INET, SOCK_STREAM, 0);\n if(sockfd < 0) {\n perror(\"socket\");\n return -1;\n }\n\n server_addr.sin_family = AF_INET;\n server_addr.sin_addr.s_addr = INADDR_ANY;\n server_addr.sin_port = htons(PORT);\n\n if(bind(sockfd, (struct sockaddr*)&server_addr, sizeof(server_addr)) < 0) {\n perror(\"bind\");\n return -1;\n }\n\n listen(sockfd, 5);\n\n while(1) {\n int addrlen = sizeof(client_addr);\n new_sockfd = accept(sockfd, (struct sockaddr*)&client_addr, &addrlen);\n memset(buffer, 0, sizeof(buffer));\n read(new_sockfd, buffer, sizeof(buffer));\n write(new_sockfd, buffer, strlen(buffer));\n close(new_sockfd);\n }\n\n close(sockfd);\n return 0;\n}<\/pre>\n3. TCP\/IP\u534f\u8bae\u6808<\/h3>\n
\u5728Linux\u4e2d\uff0cTCP\/IP\u534f\u8bae\u6808\u5b9e\u73b0\u4e86\u7f51\u7edc\u901a\u4fe1\u4e2d\u7684\u4f20\u8f93\u5c42\u548c\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u4f8b\u5982TCP\u3001UDP\u3001IP\u7b49\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7socket()\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2aTCP\u6216UDP\u5957\u63a5\u5b57\uff0c\u901a\u8fc7connect()\u51fd\u6570\u5efa\u7acb\u8fde\u63a5\uff0c\u901a\u8fc7send()\u548crecv()\u51fd\u6570\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684TCP\u5ba2\u6237\u7aef\u793a\u4f8b\u4ee3\u7801\uff0c\u5b9e\u73b0\u4e86\u5411Echo\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\u5e76\u63a5\u6536\u54cd\u5e94\uff1a<\/p>\n
#include <sys\/types.h>\n#include <sys\/socket.h>\n#include <netinet\/in.h>\n#include <arpa\/inet.h>\n#include <unistd.h>\n#include <string.h>\n\n#define PORT 8080\n#define SERVER_IP \"127.0.0.1\"\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 if(sockfd < 0) {\n perror(\"socket\");\n return -1;\n }\n\n server_addr.sin_family = AF_INET;\n server_addr.sin_addr.s_addr = inet_addr(SERVER_IP);\n server_addr.sin_port = htons(PORT);\n\n if(connect(sockfd, (struct sockaddr*)&server_addr, sizeof(server_addr)) < 0) {\n perror(\"connect\");\n return -1;\n }\n\n strcpy(buffer, \"Hello, Server!\");\n write(sockfd, buffer, strlen(buffer));\n memset(buffer, 0, sizeof(buffer));\n read(sockfd, buffer, sizeof(buffer));\n printf(\"Server response: %s\n\", buffer);\n\n close(sockfd);\n return 0;\n}<\/pre>\n\u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\u4ee3\u7801\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u4e86\u89e3Linux\u534f\u8bae\u6808\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff0c\u5305\u62ec\u7f51\u7edc\u63a5\u53e3\u3001\u5957\u63a5\u5b57\u548cTCP\/IP\u534f\u8bae\u6808\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3Linux\u7f51\u7edc\u901a\u4fe1\u7684\u5e95\u5c42\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u4ee3\u7801\u6765\u5b9e\u73b0\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n
\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
\n
- <\/dt>\n
- \n \u9ad8\u901a\u53d1\u5e03QCA6797AQ\u8f66\u89c4\u7ea7Wi-Fi 7\u63a5\u5165\u70b9\u89e3\u51b3\u65b9\u6848\uff0c\u5f15\u8d77\u5173\u6ce8\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
Linux\u534f\u8bae\u6808\u5173\u952e\u7ec4\u6210\u90e8\u5206\u7684\u8be6\u5c3d\u5206\u6790 Linux\u534f\u8bae\u6808\u4f5c\u4e3a\u5176\u7f51\u7edc\u901a\u4fe1\u7684\u6838\u5fc3\uff0c\u7531\u5173\u952e\u7ec4\u6210\u90e8\u5206\u5171\u540c\u4f5c\u7528\u3002\u5176\u4e2d\uff0c\u7f51\u7edc\u63a5\u53e3\u8d1f\u8d23\u6570\u636e\u6536\u53d1\uff0c\u5957\u63a5\u5b57\u5145\u5f53\u5e94\u7528\u5c42\u548c\u4f20\u8f93\u5c42\u4e4b\u95f4\u7684\u6865\u6881\u3002TCP\/IP\u534f\u8bae\u6808\u5219\u5b9e\u73b0\u4e86\u4f20\u8f93\u5c42\u548c\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u5982TCP\u548cIP\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u5efa\u7acb\u8fde\u63a5\u5e76\u4ea4\u6362\u6570\u636e\u3002\u672c\u6587\u5c06\u6df1\u5165\u5206\u6790\u8fd9\u4e9b\u7ec4\u6210\u90e8\u5206\uff0c\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u9610\u8ff0\u5176\u529f\u80fd\u548c\u4ea4\u4e92\uff0c\u5e2e\u52a9\u8bfb\u8005\u5168\u9762\u7406\u89e3Linux\u7f51\u7edc\u901a\u4fe1\u7684\u5e95\u5c42\u673a\u5236\u3002 Linux\u64cd\u4f5c\u7cfb\u7edf\u4f5c\u4e3a\u4e00\u4e2a\u5f00\u6e90\u7cfb\u7edf\uff0c\u5728\u7f51\u7edc\u901a\u4fe1\u9886\u57df\u8868\u73b0\u51fa\u8272\uff0c\u5176\u4e2d\u7684\u534f\u8bae\u6808\u88ab\u8ba4\u4e3a\u662f\u5173\u952e\u7ec4\u6210\u90e8\u5206\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5ea6\u89e3\u8bfbLinux\u534f\u8bae\u6808\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff0c\u5305\u62ec\u7f51\u7edc\u63a5\u53e3\u3001\u5957\u63a5\u5b57\u3001TCP\/IP\u534f\u8bae\u6808\u7b49\uff0c\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002 1. \u7f51\u7edc\u63a5\u53e3 \u7f51\u7edc\u63a5\u53e3\u662fLinux\u534f\u8bae\u6808\u4e2d\u6700\u5e95\u5c42\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\uff0c\u8d1f\u8d23\u5b9e\u73b0\u7f51\u7edc\u6570\u636e\u5305\u7684\u6536\u53d1\u3002\u5728Linux\u4e2d\uff0c\u7f51\u7edc\u63a5\u53e3\u901a\u8fc7\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u6765\u5b9e\u73b0\uff0c\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\uff0c\u4f8b\u5982eth0\u3001eth1\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7ifconfig\u547d\u4ee4\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u7684\u7f51\u7edc\u63a5\u53e3\u4fe1\u606f\uff0c\u5982\u4e0b\u6240\u793a\uff1a ifconfig \u5728Linux\u4e2d\uff0c\u7f51\u7edc\u63a5\u53e3\u7684\u5957\u63a5\u5b57\u5730\u5740\u7ed3\u6784\u5b9a\u4e49\u5728<linux\/if.h>\u5934\u6587\u4ef6\u4e2d\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528socket()\u548cbind()\u6765\u521b\u5efa\u4e00\u4e2a\u7ed1\u5b9a\u5230\u6307\u5b9a\u7f51\u7edc\u63a5\u53e3\u7684\u5957\u63a5\u5b57\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a #include <sys\/types.h> #include <sys\/socket.h> #include <linux\/if.h> int main() { int sockfd; struct sockaddr sa; sockfd = socket(AF_INET, SOCK_DGRAM, 0); if(sockfd < 0) { perror(“socket”); return -1; } struct ifreq ifr; memset(&ifr, 0, sizeof(ifr)); strcpy(ifr.ifr_name, “eth0”); if(setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE, (void*)&ifr, sizeof(ifr)) < 0) { perror(“setsockopt”); close(sockfd); return -1; […]<\/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-51652","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51652","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=51652"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51652\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}