socket全双工C++
时间: 2023-08-04 15:39:27 浏览: 49
要实现socket全双工通信,可以使用C++中的socket编程库,以下是大致的步骤:
1. 创建socket:
```
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
```
2. 设置socket选项:
```
int optval = 1;
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
```
3. 绑定IP地址和端口号:
```
struct sockaddr_in serv_addr;
bzero(&serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
serv_addr.sin_port = htons(port);
bind(sockfd, (struct sockaddr*)&serv_addr, sizeof(serv_addr));
```
4. 监听连接请求:
```
listen(sockfd, 5);
```
5. 接受连接请求:
```
struct sockaddr_in cli_addr;
socklen_t clilen = sizeof(cli_addr);
int newsockfd = accept(sockfd, (struct sockaddr*)&cli_addr, &clilen);
```
6. 发送和接收数据:
```
char buf[1024];
int n = read(newsockfd, buf, 1024);
write(newsockfd, buf, n);
```
7. 关闭socket:
```
close(sockfd);
```
以上是全双工socket通信的基本步骤,你可以根据自己的需求进行调整和修改。