代码抄录自《UNUX网络编程 卷一》,在实现开发环境中调试通过,经测试发现可以正常监听。(2017-09-06 21:56:31) 开发环境:CentOS,g++,VIM 功能:C++实现Socket通信的Server端,实现监听8080端口接收到的消息。
#include
#include /* See NOTES */
#include
#include
#include
#include
#include
#include
const int MAXLINE = 4096;
const int LISTENQ = 1024;
int main(int argc, char **argv)
{
int listenfd, connfd;
socklen_t len;
struct sockaddr_in servaddr, cliaddr;
char buff[MAXLINE];
time_t ticks;
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(8080);
listenfd = socket(AF_INET, SOCK_STREAM, 0);
bind(listenfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
listen(listenfd, LISTENQ);
for ( ; ; ) {
len = sizeof(cliaddr);
connfd = accept(listenfd, (struct sockaddr *) &cliaddr, &len);
printf("connect from %s, port %d\n",
inet_ntop(AF_INET, &cliaddr.sin_addr, buff, sizeof(buff)),
ntohs(cliaddr.sin_port));
read(connfd, buff, strlen(buff));
printf("Recive msg: %s\n", buff);
bzero(buff, sizeof(buff));
ticks = time(NULL);
snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));
write(connfd, buff, strlen(buff));
printf("Send msg: %s\n", buff);
close(connfd);
}
return 0;
}