c 写cgi 与socket通信

服务器端:
int sock()
{
int port=7777;
struct sockaddr_in sin;
struct sockaddr_in pin;
int sock_fp;
int temp_sock_fp;
int size_of_addr;
char *msg="hello internet!"
char buff[2561];


sock_fp = socket(AF_INET,SOCK_STREAM,0);
if(sock_fp==-1)
{
perror("socket");
exit(1);
}
bzero(&sin,sizeof(sin));
sin.sin_family=AF_INET;
sin.sin_addr.s_addr=INADDR_ANY;
sin.sin_port = htons(port);

if(bind(sock_fp,(struct sockaddr *)&sin,sizeof(sin))==-1)
{
perror("bind!");
exit(1);
}
if(listen(sock_fp,20)==-1)
{
perror("listen!");
exit(1);
}
printf("write to recive:\n");
while(1)
{

temp_sock_fp=accept(sock_fp,(struct sockaddr *)&pin,&size_of_addr);

if(temp_sock_fp==-1)
{
perror("accept!");
exit(1);
}
if(recv(temp_sock_fp,buff,sizeof(buff),0)==-1)
{
perror("recv");
exit(1);
}
printf("recv:%x\n",buf);
webdeal(WebServerComm.currentRead);
if(send(temp_sock_fp,msg.currentRead,sizeof(msg),0)==-1)
{
perror("send");
exit(1);
}
close(temp_sock_fp);
}

}

客户端:
#include <stdio.h>
#include "cgic.h"
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
int cgiMain()
{
cgiHeaderContentType("text/html");
Sock();
return 0;
}
int Sock()
{
int sock_fp;
struct sockaddr_in pin;
struct hostent *server_host_name;
char *msg="ok,socket!";
char buff[2561];

char *host_name = "192.168.2.79";
int port=7777;

server_host_name = gethostbyname(host_name);
if(server_host_name==0) {
perror("can not resolving localhost\n");
exit(1);
}
bzero(&pin,sizeof(pin));
pin.sin_family = AF_INET;
pin.sin_addr.s_addr = htonl(INADDR_ANY);
pin.sin_port = htons(port);
sock_fp= socket(AF_INET, SOCK_STREAM, 0);
if(sock_fp==-1){
perror("cannot open socket ");
exit(1);
}
if(connect(sock_fp, (void *)&pin, sizeof(pin))==-1)
{
perror("con not connecting to server\n");
}


if(send(sock_fp,msg,sizeof(msg),0)==-1)
{
perror("can not send");
exit(1);
}
if(recv(sock_fp,buff,sizeof(buff),0)!=-1)
{
printf("buff=%s\n",buff);

}
else
{
perror("can not recv\n");
exit(1);
}
close(sock_fp);

}