main.cpp

linux系统下bt的客户端实现。 采用的是c++

#define T_CONNECTING 1

int main(int argc, char**argv)
{

		if(argc != 2)
		{
				printf("usage : ./a.out ,name.torrent\n");
				exit(-1);
		}

	fd_set rset, wset, next_rset, next_wset;
	int maxfd;
    unsigned char md[20];
	
	Bencode *pdict = create_dictionary(argv[1]);


	if (BTCONTENT.InitialFromMI(pdict) < 0) {
		cout << "can't initiate the file" << endl;
		return -1;
	}

 	if(TRACKER.Initial() < 0)
	{
		printf("tracker inital error!\n");
		return -1;
	}

    int nfds = 0;
	struct timeval tm;
	tm.tv_sec = 2;
	tm.tv_usec = 0;
	FD_ZERO(&rset);
	FD_ZERO(&wset);
	FD_ZERO(&next_rset);
	FD_ZERO(&next_wset);
	for(;;)
	{
		if((maxfd = TRACKER.SocketReady(&rset, &wset, &nfds, 
				&next_rset, &next_wset)) == -1)
		{
			printf("There isn't any socket available\n");
			break;
		}
		
		rset = next_rset;
		wset = next_wset;

		if( (nfds = select(maxfd + 1, &rset, &wset, NULL, NULL)) < 0)
		{
			printf("select error\n");
		//	break;
		}


		cout<<nfds<<endl;
		FD_ZERO(&next_rset);
		FD_ZERO(&next_wset);
		tm.tv_sec = 2;
		tm.tv_usec = 0;
        
		
	}


	delete_dictionary(pdict);
}