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server.cc
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server.cc
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#include "dealpack.h"
#include <iostream>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#define ERR_EXIT(m)\
do\
{\
perror(m);\
exit(EXIT_FAILURE);\
}while(0)
extern void do_service(int listenfd);
int main(void)
{
//listening for client
int listenfd = socket(PF_INET, SOCK_STREAM, 0);
if(listenfd == -1)
{
ERR_EXIT("socket");
}
struct sockaddr_in servaddr;
memset(&servaddr, 0, sizeof(servaddr)); //init address
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(5588); //open a port for client
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); // open the address for client
//for bind the address which is being used.
int on = 1;
if(setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1)
{
ERR_EXIT("setsockopt");
}
//bind the port and address
if(bind(listenfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) == -1)
{
ERR_EXIT("bind");
}
//listening for client
if(listen(listenfd, SOMAXCONN) == -1)
{
ERR_EXIT("listen");
}
do_service(listenfd);
return 0;
}