80 lines
2.1 KiB
C
80 lines
2.1 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 8002
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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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char filename[100];
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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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// 输入文件名并创建文件
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printf("请输入要创建的文件名（例如 output.txt）：");
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fgets(filename, sizeof(filename), stdin);
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filename[strcspn(filename, "\n")] = 0; // 去掉换行符
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FILE *file = fopen(filename, "w");
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if (!file) {
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perror("文件创建失败");
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close(client_socket);
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exit(EXIT_FAILURE);
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}
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printf("请输入文件内容，输入 EOF 表示结束：\n");
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while (fgets(buffer, sizeof(buffer), stdin)) {
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if (strcmp(buffer, "EOF\n") == 0) {
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break;
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}
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fputs(buffer, file);
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}
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fclose(file);
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// 重新打开文件以读取并发送给服务器
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file = fopen(filename, "r");
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if (!file) {
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perror("文件打开失败");
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close(client_socket);
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exit(EXIT_FAILURE);
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}
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// 分块发送文件内容
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int bytes_read;
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while ((bytes_read = fread(buffer, 1, BUFFER_SIZE, file)) > 0) {
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send(client_socket, buffer, bytes_read, 0);
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printf("发送 %d 字节数据。\n", bytes_read);
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}
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printf("文件内容已发送到服务器。\n");
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// 关闭文件和 socket
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fclose(file);
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close(client_socket);
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return 0;
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}
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