#include <iostream>
/* A simple server in the internet domain using TCP
   The port number is passed as an argument */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

enum
{
    CON_PORT = 9235
};

void error(const char *msg)
{
    perror(msg);
    exit(1);
}

int main ()
{
    int sockfd, newsockfd, portno;
         socklen_t clilen;
         char buffer[256];
         struct sockaddr_in serv_addr, cli_addr;
         int n;


         sockfd = socket(AF_INET, SOCK_STREAM, 0);
         if (sockfd < 0)
            error("ERROR opening socket");

         bzero((char *) &serv_addr, sizeof(serv_addr));

         portno = CON_PORT;
         serv_addr.sin_family = AF_INET;
         serv_addr.sin_addr.s_addr = INADDR_ANY;
         serv_addr.sin_port = htons(portno);
         if (bind(sockfd, (struct sockaddr *) &serv_addr,
                  sizeof(serv_addr)) < 0)
                  error("ERROR on binding");
         std::cout << "Waiting for client\n";
         listen(sockfd,5);
         clilen = sizeof(cli_addr);

         newsockfd = accept(sockfd,
                     (struct sockaddr *) &cli_addr,
                     &clilen);
         if (newsockfd < 0)
              error("ERROR on accept");
         bzero(buffer,256);
         n = read(newsockfd,buffer,255);
         if (n < 0) error("ERROR reading from socket");
         printf("Here is the message: %s\n",buffer);

         std::string outStr = "";

         do
         {
             std::cout << "Please enter chat";
             std::cin >> outStr;

             n = write(newsockfd,outStr.c_str(),18);
             if (n < 0) error("ERROR writing to socket");
         }while(outStr != "exit");
         close(newsockfd);
         close(sockfd);
         return 0;
}