99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <pthread.h>
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#define PORT 8001
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#define BUFFER_SIZE 1024
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#define MAX_CLIENTS 10
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// 处理函数示例
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void handle_function() {
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printf("处理函数被调用！\n");
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}
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// 客户端处理线程
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void *client_handler(void *arg) {
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int client_socket = *(int *)arg;
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char buffer[BUFFER_SIZE];
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int bytes_read;
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while ((bytes_read = recv(client_socket, buffer, sizeof(buffer), 0)) > 0) {
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buffer[bytes_read] = '\0';
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printf("接收到客户端消息: %s\n", buffer);
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// 判断是否执行处理函数
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if (strcmp(buffer, "execute") == 0) {
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handle_function();
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send(client_socket, "处理函数已执行\n", strlen("处理函数已执行\n"), 0);
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} else {
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send(client_socket, "收到消息\n", strlen("收到消息\n"), 0);
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}
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}
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close(client_socket);
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printf("客户端断开连接\n");
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return NULL;
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}
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int main() {
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int server_socket, client_socket;
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struct sockaddr_in server_addr, client_addr;
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socklen_t client_addr_len = sizeof(client_addr);
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pthread_t thread_pool[MAX_CLIENTS];
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int client_count = 0;
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// 创建服务器 socket
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server_socket = socket(AF_INET, SOCK_STREAM, 0);
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if (server_socket == -1) {
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perror("服务器 socket 创建失败");
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exit(EXIT_FAILURE);
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}
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// 设置服务器地址
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server_addr.sin_family = AF_INET;
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server_addr.sin_addr.s_addr = INADDR_ANY;
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server_addr.sin_port = htons(PORT);
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// 绑定服务器 socket
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if (bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) == -1) {
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perror("绑定失败");
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close(server_socket);
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exit(EXIT_FAILURE);
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}
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// 开始监听
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if (listen(server_socket, MAX_CLIENTS) == -1) {
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perror("监听失败");
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close(server_socket);
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exit(EXIT_FAILURE);
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}
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printf("服务器已启动，等待客户端连接...\n");
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while (1) {
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// 接受客户端连接
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client_socket = accept(server_socket, (struct sockaddr *)&client_addr, &client_addr_len);
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if (client_socket == -1) {
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perror("接受客户端连接失败");
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continue;
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}
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printf("客户端连接成功，地址: %s\n", inet_ntoa(client_addr.sin_addr));
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// 创建线程处理客户端
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if (pthread_create(&thread_pool[client_count++], NULL, client_handler, &client_socket) != 0) {
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perror("线程创建失败");
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}
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// 防止线程池溢出
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if (client_count >= MAX_CLIENTS) {
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client_count = 0;
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}
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}
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close(server_socket);
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return 0;
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} |