breakthroughpine64backup/Client.cpp

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <iostream>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h> 
#include "Board.h"
using namespace std;

void error(const char *msg)
{
    perror(msg);
    exit(0);
}

int main(int argc, char *argv[])
{
    int sockfd, portno, n;
    struct sockaddr_in serv_addr;
    struct hostent *server;


    if (argc < 3) {
       fprintf(stderr,"usage %s hostname port\n", argv[0]);
       exit(0);
    }
    portno = atoi(argv[2]);
    sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if (sockfd < 0) 
        error("ERROR opening socket");
    server = gethostbyname(argv[1]);
    if (server == NULL) {
        fprintf(stderr,"ERROR, no such host\n");
        exit(0);
    }
    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    bcopy((char *)server->h_addr, 
         (char *)&serv_addr.sin_addr.s_addr,
         server->h_length);
    serv_addr.sin_port = htons(portno);
    if (connect(sockfd,(struct sockaddr *) &serv_addr,sizeof(serv_addr)) < 0) 
        error("ERROR connecting");
	
	//Client has successfully joined
	char buffer[256];
	char info[256];
	string final_board;
	
	cout<<"WELCOME\n";
	
	cout<<"1. Play against AI?\n";
	cout<<"2. Play AI against an AI?\n";
	
	string choice = "";
	while(choice != "1")
	{	
		cout<<"Enter choice: \n";
		cin >> choice;
		if(choice == "2")
			cout << "AI vs. AI mode not added yet!\n";
	}
	//Check for a valid option
	cout << "OK!\n" << endl;
	
	//Writes off the choice to the server
	n = write(sockfd, choice.c_str(), choice.length()); //Sends an input to the server
	cin.clear();
	cin.ignore(10000,'\n');
	while(true) {
		
			bzero(buffer,256); //resets the input stream
			n = read(sockfd,buffer,255); //Receives the board from server
			printf("%s\n",buffer);//Prints the received message
			final_board = buffer;
			
			printf("Please enter a move: ");
			bzero(buffer,256); //resets input stream
			fgets(buffer,255,stdin); //Enter a move
			n = write(sockfd,buffer,strlen(buffer)); //Sends an input move to the server
			bzero(info,256); //resets input stream
			
			n = read(sockfd,info,255); //Reads from server if move was valid
			string ref = info;
			if(ref == "Game_Over") {
				n = read(sockfd,info,255); //Reads from server if move was valid
				cout << "GAME OVER!!!" << endl;
				break;
			}
			else
				continue;
	}
	cout << "\nGAME WINNING MOVE: \n";
	//cout << final_board << endl;
	//bzero(info,256); //resets input stream
	n = read(sockfd,info,255); //Reads from server if move was valid
	
	printf("%s\n",info);//Prints the received message
	usleep(1);
	close(sockfd);
    return 0;
}