\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684TCP\u548cUDP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684C++\u4ee3\u7801\u793a\u4f8b\uff0c\u5e76\u9644\u4e0a\u8be6\u7ec6\u7684\u89e3\u91ca\u3002<\/p>\n
\u4e3a\u4e86\u4fdd\u6301\u6e05\u6670\uff0c\u6211\u4f1a\u5206\u522b\u5c55\u793aTCP\u548cUDP\u7684\u4ee3\u7801\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u90e8\u5206\u8fdb\u884c\u8be6\u7ec6\u6ce8\u91ca\u3002<\/p>\n
\u4ee3\u7801\u5c06\u4f7f\u7528\u6807\u51c6\u7684POSIX socket API\uff0c\u9002\u7528\u4e8eLinux\/Unix\u7cfb\u7edf\uff08Windows\u9700\u8981\u7a0d\u4f5c\u8c03\u6574\uff0c\u4f8b\u5982\u4f7f\u7528Winsock\uff09\u3002<\/p>\n
\u4e00\u3001TCP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4ee3\u7801<\/p>\n
1. TCP\u670d\u52a1\u5668\u4ee3\u7801cpp<\/p>\n<\/p>\n
#include <iostream>
\n#include <string>
\n#include <cstring>
\n#include <sys\/socket.h>
\n#include <netinet\/in.h>
\n#include <unistd.h>
\n#include <arpa\/inet.h><\/p>\n
#define PORT 8080 \/\/ \u5b9a\u4e49\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\u53f7
\n#define BUFFER_SIZE 1024 \/\/ \u7f13\u51b2\u533a\u5927\u5c0f<\/p>\n
int main() {
\n int server_fd, new_socket; \/\/ server_fd: \u670d\u52a1\u5668socket\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0cnew_socket: \u5ba2\u6237\u7aef\u8fde\u63a5\u7684socket
\n struct sockaddr_in server_addr, client_addr; \/\/ \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5730\u5740\u7ed3\u6784
\n char buffer[BUFFER_SIZE] = {0}; \/\/ \u7528\u4e8e\u63a5\u6536\u6570\u636e\u7684\u7f13\u51b2\u533a
\n int addr_len = sizeof(client_addr);<\/p>\n
\/\/ \u521b\u5efasocket\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0cAF_INET\u8868\u793aIPv4\uff0cSOCK_STREAM\u8868\u793aTCP
\n if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
\n std::cerr << \\”Socket\u521b\u5efa\u5931\u8d25\\” << std::endl;
\n return -1;
\n }<\/p>\n
\/\/ \u8bbe\u7f6e\u670d\u52a1\u5668\u5730\u5740\u7ed3\u6784
\n server_addr.sin_family = AF_INET; \/\/ \u4f7f\u7528IPv4
\n server_addr.sin_addr.s_addr = INADDR_ANY; \/\/ \u7ed1\u5b9a\u5230\u6240\u6709\u53ef\u7528\u63a5\u53e3
\n server_addr.sin_port = htons(PORT); \/\/ \u5c06\u7aef\u53e3\u53f7\u8f6c\u6362\u4e3a\u7f51\u7edc\u5b57\u8282\u5e8f<\/p>\n
\/\/ \u7ed1\u5b9asocket\u5230\u6307\u5b9a\u5730\u5740\u548c\u7aef\u53e3
\n if (bind(server_fd, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
\n std::cerr << \\”\u7ed1\u5b9a\u5931\u8d25\\” << std::endl;
\n close(server_fd);
\n return -1;
\n }<\/p>\n
\/\/ \u76d1\u542c\u8fde\u63a5\u8bf7\u6c42\uff0c\u6700\u5927\u6392\u961f\u8fde\u63a5\u6570\u4e3a3
\n if (listen(server_fd, 3) < 0) {
\n std::cerr << \\”\u76d1\u542c\u5931\u8d25\\” << std::endl;
\n close(server_fd);
\n return -1;
\n }<\/p>\n
std::cout << \\”\u670d\u52a1\u5668\u542f\u52a8\uff0c\u7b49\u5f85\u8fde\u63a5…\\” << std::endl;<\/p>\n
\/\/ \u4e3b\u5faa\u73af\uff0c\u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5
\n while (true) {
\n \/\/ \u63a5\u53d7\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u521b\u5efa\u65b0\u7684socket\u7528\u4e8e\u901a\u4fe1
\n if ((new_socket = accept(server_fd, (struct sockaddr *)&client_addr, (socklen_t*)&addr_len)) < 0) {
\n std::cerr << \\”\u63a5\u53d7\u8fde\u63a5\u5931\u8d25\\” << std::endl;
\n close(server_fd);
\n return -1;
\n }<\/p>\n
std::cout << \\”\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5\uff0cIP: \\” << inet_ntoa(client_addr.sin_addr<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e13\u6b21\uff0c\u6536\u85cf9\u6b21\u3002\u4ee3\u7801\u5c06\u4f7f\u7528\u6807\u51c6\u7684POSIX socket API\uff0c\u9002\u7528\u4e8eLinux\/Unix\u7cfb\u7edf\uff08Windows\u9700\u8981\u7a0d\u4f5c\u8c03\u6574\uff0c\u4f8b\u5982\u4f7f\u7528Winsock\uff09\u3002\u5982\u679c\u9700\u8981\u66f4\u8be6\u7ec6\u7684\u67d0\u90e8\u5206\u89e3\u91ca\u6216\u7279\u5b9a\u529f\u80fd\u7684\u6269\u5c55\uff08\u4f8b\u5982\u591a\u7ebf\u7a0bTCP\u670d\u52a1\u5668\uff09\uff0c\u8bf7\u544a\u8bc9\u6211\uff01\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684TCP\u548cUDP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684C++\u4ee3\u7801\u793a\u4f8b\uff0c\u5e76\u9644\u4e0a\u8be6\u7ec6\u7684\u89e3\u91ca\u3002\u4e3a\u4e86\u4fdd\u6301\u6e05\u6670\uff0c\u6211\u4f1a\u5206\u522b\u5c55\u793aTCP\u548cUDP\u7684\u4ee3\u7801\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u90e8\u5206\u8fdb\u884c\u8be6\u7ec6\u6ce8\u91ca\u3002\u4e00\u3001TCP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4ee3\u7801\u30021. TCP\u670d\u52a1\u5668\u4ee3\u7801cpp\u3002\u4e8c\u3001UDP\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4ee3\u7801\u3002\u56db\u3001TCP\u4e0eUDP\u7684\u533a\u522b\u3002_c++\u7f16\u5199\u57fa\u4e8etcp\u548cudp\u534f\u8bae\u7684socket\u901a\u4fe1\u7a0b\u5e8f\u793a\u4f8b<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,217,270,269],"topic":[],"class_list":["post-46622","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-stm32","tag-270","tag-269"],"yoast_head":"\n