/* Queue up a structure indicating that we want a reply of type wReplyCommandId. DPlay does
* not seem to offer any way of uniquely differentiating between replies of the same type
* relative to the request sent. There is an implicit assumption that there will be no
* ordering issues on sends and receives from the opposite machine. No wonder MS is not
* a networking company.
*/
static void *DP_MSG_ExpectReply( IDirectPlayImpl *This, DPSP_SENDDATA *lpData, DWORD dwWaitTime,
WORD wReplyCommandId, void **lplpReplyMsg, DWORD *lpdwMsgBodySize )
{
HRESULT hr;
HANDLE hMsgReceipt;
DP_MSG_REPLY_STRUCT_LIST replyStructList;
DWORD dwWaitReturn;
/* Setup for receipt */
hMsgReceipt = DP_MSG_BuildAndLinkReplyStruct( This, &replyStructList,
wReplyCommandId );
TRACE( "Sending msg and expecting cmd %u in reply within %u ticks\n",
wReplyCommandId, dwWaitTime );
hr = (*This->dp2->spData.lpCB->Send)( lpData );
if( FAILED(hr) )
{
ERR( "Send failed: %s\n", DPLAYX_HresultToString( hr ) );
return NULL;
}
/* The reply message will trigger the hMsgReceipt event effectively switching
* control back to this thread. See DP_MSG_ReplyReceived.
*/
dwWaitReturn = WaitForSingleObject( hMsgReceipt, dwWaitTime );
if( dwWaitReturn != WAIT_OBJECT_0 )
{
ERR( "Wait failed 0x%08x\n", dwWaitReturn );
return NULL;
}
/* Clean Up */
return DP_MSG_CleanReplyStruct( &replyStructList, lplpReplyMsg, lpdwMsgBodySize );
}
void DP_MSG_ErrorReceived( IDirectPlay2AImpl* This, WORD wCommandId,
LPCVOID lpMsgBody, DWORD dwMsgBodySize )
{
LPCDPMSG_FORWARDADDPLAYERNACK lpcErrorMsg;
lpcErrorMsg = (LPCDPMSG_FORWARDADDPLAYERNACK)lpMsgBody;
ERR( "Received error message %u. Error is %s\n",
wCommandId, DPLAYX_HresultToString( lpcErrorMsg->errorCode) );
DebugBreak();
}
