if( xnet.HasValidConnection() )
{
     if( xnet.IsReadAvailable() )
     {
          xnet.RecieveMsg( buff );
          if( xnet.IsWriteAvailable() )
	ServerHandleMessage( &xnet ); 
     }
}


//////////////////  ---   client side  ---- ////////////////////////
if( xnet.IsWriteAvailable() )
{
     xnet.xmsg->buffer_size = 0;
     xnet.SendMsg( GETVIDEOBUFFER, 0 );
}

if( xnet.IsReadAvailable() )
{
    xnet.RecieveMsg( xscr.mini_pixel_buffer );
    xnet.ClientHandleMsg();
}

/////////////////functions


bool IsReadAvailable()
{
		 
fd_set read_able;
int can_read = 0;
read_able.fd_count = 0;
FD_SET( client_sock, &read_able);

can_read = select( 0, &read_able, 0, 0, 0 );
if( can_read == 1 )
     return true;
else
     return false;
}

bool IsWriteAvailable()
{
fd_set write_able;
int can_write = 0;
write_able.fd_count = 0;
FD_SET( client_sock, &write_able);

can_write = select( 0, 0, &write_able, 0, 0 );
if( can_write == 1 )
     return true;
else
     return false;
}

bool SendMsg( UINT xmsg_num, void *buffer )
{
int recieved = 0;

xmsg->xmsg_num = xmsg_num;
xmsg->validity_id = VALID_MSG;

send( client_sock, (char*)xmsg, sizeof( XMSG ), 0 );
	
do
{
recieved += sendto( client_sock, (char*)buffer + recieved, xmsg->buffer_size -                                 recieved, 0, 0, 0 );
int err = WSAGetLastError();
if( err == WSAENOTCONN )
     has_connection = 0;
		
}
while( recieved < xmsg->buffer_size );
}



bool RecieveMsg( void *buffer )
{

int recieved = 0;

recv( client_sock, (char*)xmsg, sizeof( XMSG ), 0 );
if( xmsg->validity_id != VALID_MSG)
     return false;

do
{
recieved += recvfrom( client_sock, (char*)buffer + recieved, xmsg->buffer_size -                                    recieved, 0, 0, 0 ); 
int err = WSAGetLastError();
if( err == WSAENOTCONN )
     has_connection = 0;

}
while( recieved < xmsg->buffer_size );

return true;
}



void ServerHandleMessage()
{
msg->buffer_size = 400 * 320 - 1;
net_class->SendMsg( SENTVIDEOBUFFER, xscr.buffer );
}

void ClientHandleMessage()
{
//dostuff
}