#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/shm.h>
#define MYPORT 8887
#define QUEUE 20
#define BUFFER_SIZE 1024
int main()
{
///定义sockfd
int server_sockfd = socket(AF_INET,SOCK_STREAM, 0);
///定义sockaddr_in
struct sockaddr_in server_sockaddr;
server_sockaddr.sin_family = AF_INET;
server_sockaddr.sin_port = htons(MYPORT);
server_sockaddr.sin_addr.s_addr = htonl(INADDR_ANY);
///bind，成功返回0，出错返回-1
if(bind(server_sockfd,(struct sockaddr *)&server_sockaddr,sizeof(server_sockaddr))==0)
{
printf("bind");
//exit(1);
}
///listen，成功返回0，出错返回-1
if(listen(server_sockfd,QUEUE)==0 )
{
printf("listen");
//exit(1);
}
///客户端套接字
char buffer[BUFFER_SIZE];
struct sockaddr_in client_addr;
socklen_t length = sizeof(client_addr);
///成功返回非负描述字，出错返回-1
int conn = accept(server_sockfd, (struct sockaddr*)&client_addr, &length);
if(conn>0)
{
printf("connect");
//exit(1);
}
while(1)
{
memset(buffer,0,sizeof(buffer));
int len = recv(conn, buffer, sizeof(buffer),0);
if(strcmp(buffer,"exit\n")==0)
break;
fputs(buffer, stdout);
send(conn, "buffer", len, 0);
}
close(conn);
close(server_sockfd);
return 0;
}
