#include<stdio.h>
#include<sys/types.h>
#include<netinet/in.h>
#include<sys/socket.h>
#include<string.h>
#include<unistd.h>
int main()
{
	int sockdesc;
	struct sockaddr_in servaddr,cliaddr;

	sockdesc=socket(AF_INET,SOCK_DGRAM,0);
	if(sockdesc==-1)
	{
		printf("Socket not created");
		return -1;
	}

	servaddr.sin_family=AF_INET;
    	servaddr.sin_port=htons(1025);			// PORT number ranges from 1024 to 49151
    	servaddr.sin_addr.s_addr=htonl(INADDR_ANY);
    	if(bind(sockdesc,(struct sockaddr *)&servaddr,sizeof(servaddr)) < 0)
	{
		printf("Bind Failed");
		return -1;
	}

	while(1)
	{
		int len=sizeof(cliaddr);
		
		printf("Waiting for a request...\n");

		char buffer[10];
		strcpy(buffer," ");
		recvfrom(sockdesc,buffer,sizeof(buffer),0,(struct sockaddr *)&cliaddr,&len);
		printf("Message received from client: %s", buffer);

		sendto(sockdesc,buffer,strlen(buffer),0,(struct sockaddr *)&cliaddr,sizeof(cliaddr));

	}

	close(sockdesc);

	
	
	return 0;
}