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507 lines
17 KiB
C
507 lines
17 KiB
C
/* DirectPlay & DirectPlayLobby messaging implementation
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*
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* Copyright 2000,2001 - Peter Hunnisett
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* NOTES
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* o Messaging interface required for both DirectPlay and DirectPlayLobby.
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "dplayx_messages.h"
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#include "dplay_global.h"
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#include "dplayx_global.h"
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#include "name_server.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dplay);
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typedef struct tagMSGTHREADINFO
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{
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HANDLE hStart;
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HANDLE hDeath;
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HANDLE hSettingRead;
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HANDLE hNotifyEvent;
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} MSGTHREADINFO, *LPMSGTHREADINFO;
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static DWORD CALLBACK DPL_MSG_ThreadMain( LPVOID lpContext );
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static LPVOID DP_MSG_ExpectReply( IDirectPlay2AImpl* This, LPDPSP_SENDDATA data,
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DWORD dwWaitTime, WORD wReplyCommandId,
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LPVOID* lplpReplyMsg, LPDWORD lpdwMsgBodySize );
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/* Create the message reception thread to allow the application to receive
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* asynchronous message reception
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*/
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DWORD CreateLobbyMessageReceptionThread( HANDLE hNotifyEvent, HANDLE hStart,
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HANDLE hDeath, HANDLE hConnRead )
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{
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DWORD dwMsgThreadId;
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LPMSGTHREADINFO lpThreadInfo;
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lpThreadInfo = HeapAlloc( GetProcessHeap(), 0, sizeof( *lpThreadInfo ) );
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if( lpThreadInfo == NULL )
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{
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return 0;
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}
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/* The notify event may or may not exist. Depends if async comm or not */
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if( hNotifyEvent &&
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!DuplicateHandle( GetCurrentProcess(), hNotifyEvent,
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GetCurrentProcess(), &lpThreadInfo->hNotifyEvent,
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0, FALSE, DUPLICATE_SAME_ACCESS ) )
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{
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ERR( "Unable to duplicate event handle\n" );
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goto error;
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}
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/* These 3 handles don't need to be duplicated because we don't keep a
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* reference to them where they're created. They're created specifically
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* for the message thread
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*/
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lpThreadInfo->hStart = hStart;
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lpThreadInfo->hDeath = hDeath;
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lpThreadInfo->hSettingRead = hConnRead;
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if( !CreateThread( NULL, /* Security attribs */
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0, /* Stack */
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DPL_MSG_ThreadMain, /* Msg reception function */
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lpThreadInfo, /* Msg reception func parameter */
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0, /* Flags */
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&dwMsgThreadId /* Updated with thread id */
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)
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)
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{
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ERR( "Unable to create msg thread\n" );
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goto error;
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}
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/* FIXME: Should I be closing the handle to the thread or does that
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terminate the thread? */
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return dwMsgThreadId;
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error:
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HeapFree( GetProcessHeap(), 0, lpThreadInfo );
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return 0;
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}
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static DWORD CALLBACK DPL_MSG_ThreadMain( LPVOID lpContext )
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{
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LPMSGTHREADINFO lpThreadInfo = lpContext;
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DWORD dwWaitResult;
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TRACE( "Msg thread created. Waiting on app startup\n" );
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/* Wait to ensure that the lobby application is started w/ 1 min timeout */
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dwWaitResult = WaitForSingleObject( lpThreadInfo->hStart, 10000 /* 10 sec */ );
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if( dwWaitResult == WAIT_TIMEOUT )
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{
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FIXME( "Should signal app/wait creation failure (0x%08x)\n", dwWaitResult );
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goto end_of_thread;
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}
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/* Close this handle as it's not needed anymore */
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CloseHandle( lpThreadInfo->hStart );
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lpThreadInfo->hStart = 0;
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/* Wait until the lobby knows what it is */
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dwWaitResult = WaitForSingleObject( lpThreadInfo->hSettingRead, INFINITE );
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if( dwWaitResult == WAIT_TIMEOUT )
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{
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ERR( "App Read connection setting timeout fail (0x%08x)\n", dwWaitResult );
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}
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/* Close this handle as it's not needed anymore */
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CloseHandle( lpThreadInfo->hSettingRead );
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lpThreadInfo->hSettingRead = 0;
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TRACE( "App created && initialized starting main message reception loop\n" );
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for ( ;; )
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{
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MSG lobbyMsg;
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GetMessageW( &lobbyMsg, 0, 0, 0 );
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}
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end_of_thread:
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TRACE( "Msg thread exiting!\n" );
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HeapFree( GetProcessHeap(), 0, lpThreadInfo );
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return 0;
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}
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/* DP messaging stuff */
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static HANDLE DP_MSG_BuildAndLinkReplyStruct( IDirectPlay2Impl* This,
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LPDP_MSG_REPLY_STRUCT_LIST lpReplyStructList,
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WORD wReplyCommandId );
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static LPVOID DP_MSG_CleanReplyStruct( LPDP_MSG_REPLY_STRUCT_LIST lpReplyStructList,
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LPVOID* lplpReplyMsg, LPDWORD lpdwMsgBodySize );
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static
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HANDLE DP_MSG_BuildAndLinkReplyStruct( IDirectPlay2Impl* This,
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LPDP_MSG_REPLY_STRUCT_LIST lpReplyStructList, WORD wReplyCommandId )
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{
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lpReplyStructList->replyExpected.hReceipt = CreateEventW( NULL, FALSE, FALSE, NULL );
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lpReplyStructList->replyExpected.wExpectedReply = wReplyCommandId;
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lpReplyStructList->replyExpected.lpReplyMsg = NULL;
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lpReplyStructList->replyExpected.dwMsgBodySize = 0;
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/* Insert into the message queue while locked */
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EnterCriticalSection( &This->unk->DP_lock );
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DPQ_INSERT( This->dp2->replysExpected, lpReplyStructList, replysExpected );
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LeaveCriticalSection( &This->unk->DP_lock );
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return lpReplyStructList->replyExpected.hReceipt;
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}
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static
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LPVOID DP_MSG_CleanReplyStruct( LPDP_MSG_REPLY_STRUCT_LIST lpReplyStructList,
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LPVOID* lplpReplyMsg, LPDWORD lpdwMsgBodySize )
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{
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CloseHandle( lpReplyStructList->replyExpected.hReceipt );
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*lplpReplyMsg = lpReplyStructList->replyExpected.lpReplyMsg;
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*lpdwMsgBodySize = lpReplyStructList->replyExpected.dwMsgBodySize;
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return lpReplyStructList->replyExpected.lpReplyMsg;
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}
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HRESULT DP_MSG_SendRequestPlayerId( IDirectPlay2AImpl* This, DWORD dwFlags,
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LPDPID lpdpidAllocatedId )
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{
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LPVOID lpMsg;
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LPDPMSG_REQUESTNEWPLAYERID lpMsgBody;
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DWORD dwMsgSize;
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HRESULT hr = DP_OK;
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dwMsgSize = This->dp2->spData.dwSPHeaderSize + sizeof( *lpMsgBody );
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lpMsg = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, dwMsgSize );
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lpMsgBody = (LPDPMSG_REQUESTNEWPLAYERID)( (BYTE*)lpMsg +
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This->dp2->spData.dwSPHeaderSize );
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/* Compose dplay message envelope */
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lpMsgBody->envelope.dwMagic = DPMSGMAGIC_DPLAYMSG;
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lpMsgBody->envelope.wCommandId = DPMSGCMD_REQUESTNEWPLAYERID;
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lpMsgBody->envelope.wVersion = DPMSGVER_DP6;
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/* Compose the body of the message */
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lpMsgBody->dwFlags = dwFlags;
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/* Send the message */
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{
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DPSP_SENDDATA data;
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data.dwFlags = DPSEND_GUARANTEED;
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data.idPlayerTo = 0; /* Name server */
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data.idPlayerFrom = 0; /* Sending from DP */
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data.lpMessage = lpMsg;
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data.dwMessageSize = dwMsgSize;
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data.bSystemMessage = TRUE; /* Allow reply to be sent */
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data.lpISP = This->dp2->spData.lpISP;
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TRACE( "Asking for player id w/ dwFlags 0x%08x\n",
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lpMsgBody->dwFlags );
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DP_MSG_ExpectReply( This, &data, DPMSG_DEFAULT_WAIT_TIME, DPMSGCMD_NEWPLAYERIDREPLY,
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&lpMsg, &dwMsgSize );
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}
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/* Need to examine the data and extract the new player id */
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if( SUCCEEDED(hr) )
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{
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LPCDPMSG_NEWPLAYERIDREPLY lpcReply;
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lpcReply = lpMsg;
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*lpdpidAllocatedId = lpcReply->dpidNewPlayerId;
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TRACE( "Received reply for id = 0x%08x\n", lpcReply->dpidNewPlayerId );
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/* FIXME: I think that the rest of the message has something to do
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* with remote data for the player that perhaps I need to setup.
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* However, with the information that is passed, all that it could
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* be used for is a standardized initialization value, which I'm
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* guessing we can do without. Unless the message content is the same
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* for several different messages?
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*/
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HeapFree( GetProcessHeap(), 0, lpMsg );
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}
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return hr;
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}
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HRESULT DP_MSG_ForwardPlayerCreation( IDirectPlay2AImpl* This, DPID dpidServer )
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{
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LPVOID lpMsg;
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LPDPMSG_FORWARDADDPLAYER lpMsgBody;
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DWORD dwMsgSize;
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HRESULT hr = DP_OK;
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dwMsgSize = This->dp2->spData.dwSPHeaderSize + sizeof( *lpMsgBody );
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lpMsg = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, dwMsgSize );
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lpMsgBody = (LPDPMSG_FORWARDADDPLAYER)( (BYTE*)lpMsg +
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This->dp2->spData.dwSPHeaderSize );
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/* Compose dplay message envelope */
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lpMsgBody->envelope.dwMagic = DPMSGMAGIC_DPLAYMSG;
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lpMsgBody->envelope.wCommandId = DPMSGCMD_FORWARDADDPLAYER;
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lpMsgBody->envelope.wVersion = DPMSGVER_DP6;
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#if 0
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{
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LPBYTE lpPData;
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DWORD dwDataSize;
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/* SP Player remote data needs to be propagated at some point - is this the point? */
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IDirectPlaySP_GetSPPlayerData( This->dp2->spData.lpISP, 0, &lpPData, &dwDataSize, DPSET_REMOTE );
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ERR( "Player Data size is 0x%08lx\n"
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"[%02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x]\n"
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"[%02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x %02x%02x]\n",
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dwDataSize,
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lpPData[0], lpPData[1], lpPData[2], lpPData[3], lpPData[4],
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lpPData[5], lpPData[6], lpPData[7], lpPData[8], lpPData[9],
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lpPData[10], lpPData[11], lpPData[12], lpPData[13], lpPData[14],
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lpPData[15], lpPData[16], lpPData[17], lpPData[18], lpPData[19],
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lpPData[20], lpPData[21], lpPData[22], lpPData[23], lpPData[24],
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lpPData[25], lpPData[26], lpPData[27], lpPData[28], lpPData[29],
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lpPData[30], lpPData[31]
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);
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DebugBreak();
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}
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#endif
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/* Compose body of message */
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lpMsgBody->dpidAppServer = dpidServer;
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lpMsgBody->unknown2[0] = 0x0;
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lpMsgBody->unknown2[1] = 0x1c;
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lpMsgBody->unknown2[2] = 0x6c;
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lpMsgBody->unknown2[3] = 0x50;
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lpMsgBody->unknown2[4] = 0x9;
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lpMsgBody->dpidAppServer2 = dpidServer;
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lpMsgBody->unknown3[0] = 0x0;
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lpMsgBody->unknown3[0] = 0x0;
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lpMsgBody->unknown3[0] = 0x20;
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lpMsgBody->unknown3[0] = 0x0;
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lpMsgBody->unknown3[0] = 0x0;
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lpMsgBody->dpidAppServer3 = dpidServer;
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lpMsgBody->unknown4[0] = 0x30;
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lpMsgBody->unknown4[1] = 0xb;
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lpMsgBody->unknown4[2] = 0x0;
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lpMsgBody->unknown4[3] = NS_GetNsMagic( This->dp2->lpNameServerData ) -
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0x02000000;
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TRACE( "Setting first magic to 0x%08x\n", lpMsgBody->unknown4[3] );
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lpMsgBody->unknown4[4] = 0x0;
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lpMsgBody->unknown4[5] = 0x0;
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lpMsgBody->unknown4[6] = 0x0;
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lpMsgBody->unknown4[7] = NS_GetNsMagic( This->dp2->lpNameServerData );
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TRACE( "Setting second magic to 0x%08x\n", lpMsgBody->unknown4[7] );
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lpMsgBody->unknown4[8] = 0x0;
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lpMsgBody->unknown4[9] = 0x0;
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lpMsgBody->unknown4[10] = 0x0;
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lpMsgBody->unknown4[11] = 0x0;
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lpMsgBody->unknown5[0] = 0x0;
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lpMsgBody->unknown5[1] = 0x0;
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/* Send the message */
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{
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DPSP_SENDDATA data;
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data.dwFlags = DPSEND_GUARANTEED;
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data.idPlayerTo = 0; /* Name server */
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data.idPlayerFrom = dpidServer; /* Sending from session server */
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data.lpMessage = lpMsg;
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data.dwMessageSize = dwMsgSize;
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data.bSystemMessage = TRUE; /* Allow reply to be sent */
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data.lpISP = This->dp2->spData.lpISP;
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TRACE( "Sending forward player request with 0x%08x\n", dpidServer );
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lpMsg = DP_MSG_ExpectReply( This, &data,
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DPMSG_WAIT_60_SECS,
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DPMSGCMD_GETNAMETABLEREPLY,
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&lpMsg, &dwMsgSize );
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}
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/* Need to examine the data and extract the new player id */
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if( lpMsg != NULL )
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{
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FIXME( "Name Table reply received: stub\n" );
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}
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return hr;
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}
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/* Queue up a structure indicating that we want a reply of type wReplyCommandId. DPlay does
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* not seem to offer any way of uniquely differentiating between replies of the same type
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* relative to the request sent. There is an implicit assumption that there will be no
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* ordering issues on sends and receives from the opposite machine. No wonder MS is not
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* a networking company.
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*/
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static
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LPVOID DP_MSG_ExpectReply( IDirectPlay2AImpl* This, LPDPSP_SENDDATA lpData,
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DWORD dwWaitTime, WORD wReplyCommandId,
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LPVOID* lplpReplyMsg, LPDWORD lpdwMsgBodySize )
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{
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HRESULT hr;
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HANDLE hMsgReceipt;
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DP_MSG_REPLY_STRUCT_LIST replyStructList;
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DWORD dwWaitReturn;
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/* Setup for receipt */
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hMsgReceipt = DP_MSG_BuildAndLinkReplyStruct( This, &replyStructList,
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wReplyCommandId );
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TRACE( "Sending msg and expecting cmd %u in reply within %u ticks\n",
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wReplyCommandId, dwWaitTime );
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hr = (*This->dp2->spData.lpCB->Send)( lpData );
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if( FAILED(hr) )
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{
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ERR( "Send failed: %s\n", DPLAYX_HresultToString( hr ) );
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return NULL;
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}
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/* The reply message will trigger the hMsgReceipt event effectively switching
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* control back to this thread. See DP_MSG_ReplyReceived.
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*/
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dwWaitReturn = WaitForSingleObject( hMsgReceipt, dwWaitTime );
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if( dwWaitReturn != WAIT_OBJECT_0 )
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{
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ERR( "Wait failed 0x%08x\n", dwWaitReturn );
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return NULL;
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}
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/* Clean Up */
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return DP_MSG_CleanReplyStruct( &replyStructList, lplpReplyMsg, lpdwMsgBodySize );
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}
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/* Determine if there is a matching request for this incoming message and then copy
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* all important data. It is quite silly to have to copy the message, but the documents
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* indicate that a copy is taken. Silly really.
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*/
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void DP_MSG_ReplyReceived( IDirectPlay2AImpl* This, WORD wCommandId,
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LPCVOID lpcMsgBody, DWORD dwMsgBodySize )
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{
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LPDP_MSG_REPLY_STRUCT_LIST lpReplyList;
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#if 0
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if( wCommandId == DPMSGCMD_FORWARDADDPLAYER )
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{
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DebugBreak();
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}
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#endif
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/* Find, and immediately remove (to avoid double triggering), the appropriate entry. Call locked to
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* avoid problems.
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*/
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EnterCriticalSection( &This->unk->DP_lock );
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DPQ_REMOVE_ENTRY( This->dp2->replysExpected, replysExpected, replyExpected.wExpectedReply,
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==, wCommandId, lpReplyList );
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LeaveCriticalSection( &This->unk->DP_lock );
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if( lpReplyList != NULL )
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{
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lpReplyList->replyExpected.dwMsgBodySize = dwMsgBodySize;
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lpReplyList->replyExpected.lpReplyMsg = HeapAlloc( GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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dwMsgBodySize );
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CopyMemory( lpReplyList->replyExpected.lpReplyMsg,
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lpcMsgBody, dwMsgBodySize );
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/* Signal the thread which sent the message that it has a reply */
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SetEvent( lpReplyList->replyExpected.hReceipt );
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}
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else
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{
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ERR( "No receipt event set - only expecting in reply mode\n" );
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DebugBreak();
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}
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}
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void DP_MSG_ToSelf( IDirectPlay2AImpl* This, DPID dpidSelf )
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{
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LPVOID lpMsg;
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LPDPMSG_SENDENVELOPE lpMsgBody;
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DWORD dwMsgSize;
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dwMsgSize = This->dp2->spData.dwSPHeaderSize + sizeof( *lpMsgBody );
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lpMsg = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, dwMsgSize );
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lpMsgBody = (LPDPMSG_SENDENVELOPE)( (BYTE*)lpMsg +
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This->dp2->spData.dwSPHeaderSize );
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/* Compose dplay message envelope */
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lpMsgBody->dwMagic = DPMSGMAGIC_DPLAYMSG;
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lpMsgBody->wCommandId = DPMSGCMD_JUSTENVELOPE;
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lpMsgBody->wVersion = DPMSGVER_DP6;
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/* Send the message to ourselves */
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{
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DPSP_SENDDATA data;
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data.dwFlags = 0;
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data.idPlayerTo = dpidSelf; /* Sending to session server */
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data.idPlayerFrom = 0; /* Sending from session server */
|
|
data.lpMessage = lpMsg;
|
|
data.dwMessageSize = dwMsgSize;
|
|
data.bSystemMessage = TRUE; /* Allow reply to be sent */
|
|
data.lpISP = This->dp2->spData.lpISP;
|
|
|
|
lpMsg = DP_MSG_ExpectReply( This, &data,
|
|
DPMSG_WAIT_5_SECS,
|
|
DPMSGCMD_JUSTENVELOPE,
|
|
&lpMsg, &dwMsgSize );
|
|
}
|
|
}
|
|
|
|
void DP_MSG_ErrorReceived( IDirectPlay2AImpl* This, WORD wCommandId,
|
|
LPCVOID lpMsgBody, DWORD dwMsgBodySize )
|
|
{
|
|
LPCDPMSG_FORWARDADDPLAYERNACK lpcErrorMsg;
|
|
|
|
lpcErrorMsg = lpMsgBody;
|
|
|
|
ERR( "Received error message %u. Error is %s\n",
|
|
wCommandId, DPLAYX_HresultToString( lpcErrorMsg->errorCode) );
|
|
DebugBreak();
|
|
}
|