socket聊天室c++
时间: 2024-01-23 17:14:22 浏览: 27
以下是一个简单的基于socket的C++聊天室示例:
```cpp
// 服务器端
#include <iostream>
#include <winsock2.h>
#pragma comment(lib, "ws2_32.lib")
int main() {
// 初始化Winsock
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
std::cout << "Failed to initialize winsock" << std::endl;
return -1;
}
// 创建服务器套接字
SOCKET serverSocket = socket(AF_INET, SOCK_STREAM, 0);
if (serverSocket == INVALID_SOCKET) {
std::cout << "Failed to create server socket" << std::endl;
WSACleanup();
return -1;
}
// 绑定服务器套接字到IP和端口
sockaddr_in serverAddress;
serverAddress.sin_family = AF_INET;
serverAddress.sin_port = htons(8888);
serverAddress.sin_addr.s_addr = INADDR_ANY;
if (bind(serverSocket, (struct sockaddr*)&serverAddress, sizeof(serverAddress)) == SOCKET_ERROR) {
std::cout << "Failed to bind server socket" << std::endl; closesocket(serverSocket);
WSACleanup();
return -1;
}
// 监听连接请求
if (listen(serverSocket, SOMAXCONN) == SOCKET_ERROR) {
std::cout << "Failed to listen on server socket" << std::endl;
closesocket(serverSocket);
WSACleanup();
return -1;
}
std::cout << "Server started, waiting for connections..." << std::endl;
// 接受客户端连接
SOCKET clientSocket;
sockaddr_in clientAddress;
int clientAddressSize = sizeof(clientAddress);
clientSocket = accept(serverSocket, (struct sockaddr*)&clientAddress, &clientAddressSize);
if (clientSocket == INVALID_SOCKET) {
std::cout << "Failed to accept client connection" << std::endl;
closesocket(serverSocket);
WSACleanup();
return -1;
}
std::cout << "Client connected" << std::endl;
// 接收和发送消息
char buffer[1024];
while (true) {
memset(buffer, 0, sizeof(buffer));
int bytesRead = recv(clientSocket, buffer, sizeof(buffer), 0);
if (bytesRead <= 0) {
std::cout << "Client disconnected" << std::endl;
break;
}
std::cout << "Received message: " << buffer << std::endl;
// 回复客户端
std::string reply = "Server received your message";
send(clientSocket, reply.c_str(), reply.size(), 0);
}
// 关闭套接字和清理Winsock
closesocket(clientSocket);
closesocket(serverSocket);
WSACleanup();
return 0;
}
```
```cpp
// 客户端
#include <iostream>
#include <winsock2.h>
#pragma comment(lib, "ws2_32.lib")
int main() {
// 初始化Winsock
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
std::cout << "Failed to initialize winsock" << std::endl;
return -1;
}
// 创建客户端套接字
SOCKET clientSocket = socket(AF_INET, SOCK_STREAM, 0);
if (clientSocket == INVALID_SOCKET) {
std::cout << "Failed to create client socket" << std::endl;
WSACleanup();
return -1;
}
// 设置服务器地址和端口
sockaddr_in serverAddress;
serverAddress.sin_family = AF_INET;
serverAddress.sin_port = htons(8888);
serverAddress.sin_addr.s_addr = inet_addr("127.0.0.1");
// 连接到服务器
if (connect(clientSocket, (struct sockaddr*)&serverAddress, sizeof(serverAddress)) == SOCKET_ERROR) {
std::cout << "Failed to connect to server" << std::endl;
closesocket(clientSocket);
WSACleanup();
return -1;
}
std::cout << "Connected to server" << std::endl;
// 发送和接收消息
char buffer[1024];
while (true) {
std::cout << "Enter a message: ";
std::cin.getline(buffer, sizeof(buffer));
// 发送消息到服务器
send(clientSocket, buffer, strlen(buffer), 0);
// 接收服务器回复
memset(buffer, 0, sizeof(buffer));
int bytesRead = recv(clientSocket, buffer, sizeof(buffer), 0);
if (bytesRead <= 0) {
std::cout << "Server disconnected" << std::endl;
break;
}
std::cout << "Server reply: " << buffer << std::endl;
}
// 关闭套接字和清理Winsock
closesocket(clientSocket);
WSACleanup();
return 0;
}
```
请注意,此示例仅为基本示例,仅用于演示目的。在实际应用中,您可能需要添加更多的错误处理和安全性措施。