A.txt

/*
 * Client.cpp
 *
 *  Created on: Nov 11, 2015
 *      Author: waleed
 */
#include "unp.h"
#include <iostream>
#include<cstring>
#include<fstream>
#include <sstream>
#include "Packet.cpp"

using namespace std;

class Client{
	int sockfd;
	struct sockaddr_in serv_addr;
	struct sockaddr_in addr;
	int port;

public :Packet *obj;

	public: Client(){
		port=1000;
		obj=new Packet();
	}
	public: Client(int portno){
		port=portno;
		obj=new Packet();
	}
	~Client(){
		close(sockfd);


	}


	public: void initialize(){

		sockfd=socket(AF_INET,SOCK_DGRAM,0);
		serv_addr.sin_family = AF_INET;
		serv_addr.sin_port = port;
		serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");


	}

	public: void send(int size){

		int servlen=sizeof(serv_addr);
		int a=sendto(sockfd,obj,sizeof(struct Packet), 0, (struct sockaddr*)&serv_addr ,servlen);

	}

	public: void recieve(int size)
	{
		int addrlen=sizeof(addr);
		int a=recvfrom(sockfd,obj,sizeof(struct Packet),0, (struct sockaddr*)& addr ,(socklen_t *) & addrlen);


	}

	public :Packet show(){
		//cout<<obj[0].a<<obj[0].b<<obj[0].message<<endl;
		return *obj;


	}

	public :void message(Packet a){
		*obj=a;

	}


};


int main()
{

		cout<<"Initiate Conversation";
		Client *myClient=new Client();
		(*myClient).initialize();

		Packet *obj=new Packet();

		for(int i=0;i<100;i++){
			(*obj).message[i];
		}
		(*myClient).message(*obj);
		(*myClient).send(50); //inititate conversation


		int count=0;
		while(1)
		{
//			count++;
			(*myClient).recieve(50);
			//cout<<"Server Send:"<<(*myClient).obj->message<<(*myClient).obj->port<<(*myClient).obj->file<<(*myClient).obj->chunk<<endl;

			int pid=fork();

			if(pid!=0)
			{

				int port=(*myClient).obj->port;
				int chunk=(*myClient).obj->chunk;
				string  filename="";
				filename="Client/";