int client::parse(int msg)
{
   int bytes=0;
   int tmp=0;
   string buffer="";
   string s, p;
   char tmpc[4096], sent[100];
   int j=0, len=0; 
   for (;;)
    {
      bytes = 0;
      if ((bytes = recv(sock, tmpc, 4095, 0)) < 1) die("failed recieve bytes form server"); 
      tmpc[bytes] = 0;
      buffer += tmpc;

      if (buffer.find("PING",0) != string::npos)
        {
          s = buffer.substr(buffer.find(":"),buffer.size ()-1);
          p = p + "PONG :" + s + "\0\n";
          for (j=0; j < p.length() && j < sizeof (sent) ; j++)
              sent[j] = p[j];
          sent [j] = 0 ;
          len = strlen(sent);
          if (send(sock, sent, len,0) != len) die("send error");
        }
    }
}