生成一个C++socket服务器 读取本地TXT文件并发送给客户端
时间: 2024-03-03 22:47:24 浏览: 17
好的,以下是一个简单的C++ socket服务器,它可以读取本地的TXT文件并发送给客户端:
```c++
#include <iostream>
#include <fstream>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#define PORT 8080
int main() {
int server_fd, new_socket, valread;
struct sockaddr_in address;
int opt = 1;
int addrlen = sizeof(address);
char buffer[1024] = {0};
char* hello = "Hello from server";
// 创建socket文件描述符
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
// 设置socket选项
if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) {
perror("setsockopt");
exit(EXIT_FAILURE);
}
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
// 绑定socket到指定端口
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address))<0) {
perror("bind failed");
exit(EXIT_FAILURE);
}
// 监听socket
if (listen(server_fd, 3) < 0) {
perror("listen");
exit(EXIT_FAILURE);
}
// 接受客户端连接
if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t*)&addrlen))<0) {
perror("accept");
exit(EXIT_FAILURE);
}
// 读取本地TXT文件并发送给客户端
std::ifstream file("example.txt");
std::string file_contents((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
const char* data = file_contents.c_str();
send(new_socket, data, strlen(data), 0);
std::cout << "File sent to client" << std::endl;
return 0;
}
```
在上述代码中,我们使用C++的fstream库读取了本地的TXT文件,并将文件内容发送给客户端。请注意,此示例代码仅适用于本地运行,如果要在互联网上运行,则需要使用公共IP地址和端口号。