#include <iostream>
using namespace std;
//#include <stdio.h>      /*has perror, in addition to other essentials*/
#include <netinet/in.h>  /*for the struct sockaddr_in and also htons etc */
#include <arpa/inet.h>   /*for inet_aton, inet_pton etc*/
#include <sys/socket.h>  /*for socket, connect, bind, listen*/
#include <sys/types.h>   /*for AF_INET etc*/
#include <unistd.h>      /*for close, fork, exec etc*/
#include <strings.h>     /*for bzero etc*/
#include <stdlib.h>      /*for atoi*/
#include <errno.h>       /*for errno*/
#include <sys/select.h>  /*for select*/

/* ECHO SERVER APPLICATION */
int main(int argc, char **argv)
{
	int sockfd, nbytes;
        socklen_t cliaddr_len;
        char mesg[4096];
        struct sockaddr_in servaddr, cliaddr;
        nbytes=0; 
	if( (sockfd = socket(AF_INET, SOCK_RAW, 6))<0)   /*create a RAW Socket with protocol value = 6 (TCP)*/
        {
                perror("Error in socket()");
                exit(1);
        }
        bzero(&cliaddr, sizeof(cliaddr));
        bzero(&servaddr, sizeof(servaddr));
        servaddr.sin_family = AF_INET;
	  	servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
        servaddr.sin_port = htons(8888);
		cliaddr_len = sizeof(cliaddr);
                                                                                                                             
        if( (bind(sockfd, (struct sockaddr*)&servaddr, sizeof(servaddr))) < 0)
        {
                perror("Error in bind()");
                exit(1);
        }
	for( ; ; )
	{
		cout<<"Before the recvfrom"<<endl;
		cout<<"mesg"<<mesg<<endl;

		nbytes = recvfrom(sockfd, mesg, sizeof(mesg) , 0, (struct sockaddr *)&cliaddr, &cliaddr_len);
		//sleep(5);
		if(nbytes == -1)
		{
			perror("Error in recvfrom");
			exit(1);
		}
	} // end of for() loop		
} // end of main()