tcp_server.c.bak

比较简单的利用套接字linux下的客服端和服务器例子

#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>


int main(int argc,char *argv[])
{
	int lisn_socket,client_socket;
	pid_t child;
	char buffer[512];
	int read_count=0;
	int addr_len=sizeof(struct sockaddr);
	struct sockaddr_in addr_in,client_addr;
	memset(buffer,0,512);
	addr_in.sin_family=AF_INET;
	addr_in.sin_port=htons(5555);
	addr_in.sin_addr.s_addr=INADDR_ANY;
	lisn_socket=socket(AF_INET,SOCK_STREAM,0);
	bind(lisn_socket,(struct sockaddr *)&addr_in,sizeof(struct sockaddr));
	listen(lisn_socket,10);
	while(1)
	{
		client_socket=accept(lisn_socket,(struct sockaddr *)&client_addr,&addr_len);
		child=fork();
		if(child==0)
		{
			close(lisn_socket);
			while((read_count=read(client_socket,buffer,sizeof(buffer)))>0)
			{
				write(client_socket,buffer,read_count);
				memset(buffer,0,sizeof(buffer));
			}
			exit(0);
		}
		close(client_socket);
	}
	return 0;
}