56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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#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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#define PORT 8001
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#define BUFFER_SIZE 1024
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int main() {
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int client_socket;
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struct sockaddr_in server_addr;
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char buffer[BUFFER_SIZE];
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// 创建客户端 socket
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client_socket = socket(AF_INET, SOCK_STREAM, 0);
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if (client_socket == -1) {
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perror("客户端 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_port = htons(PORT);
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server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
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// 连接到服务器
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if (connect(client_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) == -1) {
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perror("连接服务器失败");
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close(client_socket);
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exit(EXIT_FAILURE);
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}
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printf("连接服务器成功！\n");
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while (1) {
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printf("输入要发送的消息: ");
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fgets(buffer, BUFFER_SIZE, stdin);
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buffer[strcspn(buffer, "\n")] = 0; // 去掉换行符
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send(client_socket, buffer, strlen(buffer), 0);
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if (strcmp(buffer, "exit") == 0) {
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break;
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}
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int bytes_read = recv(client_socket, buffer, sizeof(buffer) - 1, 0);
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if (bytes_read > 0) {
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buffer[bytes_read] = '\0';
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printf("服务器回复: %s\n", buffer);
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}
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}
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close(client_socket);
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return 0;
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}
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