Function xdr_debug_packet

src/remote/protocol.cpp:1454–1517

#ifdef DEBUG_XDR_MEMORY
static bool_t xdr_debug_packet( RemoteXdr* xdrs, enum xdr_op xop, PACKET* packet)
{
/**************************************
 *
 *	x d r _ d e b u g _ p a c k e t
 *
 **************************************
 *
 * Functional description
 *	Start/stop monitoring a packet's memory allocations by
 *	entering/removing from a port's packet tracking vector.
 *
 **************************************/
	rem_port* port = xdrs->x_public;
	fb_assert(port != 0);
	fb_assert(port->port_header.blk_type == type_port);

	if (xop == XDR_FREE)
	{
		// Free a slot in the packet tracking vector

		rem_vec* vector = port->port_packet_vector;
		if (vector)
		{
			for (ULONG i = 0; i < vector->vec_count; i++)
			{
				if (vector->vec_object[i] == (BLK) packet) {
					vector->vec_object[i] = 0;
					return TRUE;
				}
			}
		}
	}
	else
	{
		// XDR_ENCODE or XDR_DECODE

		// Allocate an unused slot in the packet tracking vector
		// to start recording memory allocations for this packet.

		fb_assert(xop == XDR_ENCODE || xop == XDR_DECODE);
		rem_vec* vector = A L L R _vector(&port->port_packet_vector, 0);
		ULONG i;

		for (i = 0; i < vector->vec_count; i++)
		{
			if (vector->vec_object[i] == (BLK) packet)
				return TRUE;
		}

		for (i = 0; i < vector->vec_count; i++)
		{
			if (vector->vec_object[i] == 0)
				break;
		}

		if (i >= vector->vec_count)
			vector = A L L R _vector(&port->port_packet_vector, i);