1 /* dplayx.dll global data implementation.
3 * Copyright 1999,2000 - Peter Hunnisett
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * o Implementation of all things which are associated with dplay on
23 * the computer - ie shared resources and such. Methods in this
24 * compilation unit should not call anything out side this unit
25 * excepting base windows services and an interface to start the
27 * o Methods that begin with DPLAYX_ are used for dealing with
28 * dplayx.dll data which is accessible from all processes.
35 #define NONAMELESSUNION
36 #define NONAMELESSSTRUCT
37 #include "wine/debug.h"
41 #include "wine/unicode.h"
46 #include "dplayx_global.h"
47 #include "dplayx_messages.h" /* For CreateMessageReceptionThread only */
49 WINE_DEFAULT_DEBUG_CHANNEL(dplay);
51 /* FIXME: Need to do all that fun other dll referencing type of stuff */
53 /* Static data for all processes */
54 static LPCSTR lpszDplayxSemaName = "WINE_DPLAYX_SM";
55 static HANDLE hDplayxSema;
57 static LPCSTR lpszDplayxFileMapping = "WINE_DPLAYX_FM";
58 static HANDLE hDplayxSharedMem;
60 static LPVOID lpSharedStaticData = NULL;
63 #define DPLAYX_AquireSemaphore() TRACE( "Waiting for DPLAYX semaphore\n" ); \
64 WaitForSingleObject( hDplayxSema, INFINITE );\
65 TRACE( "Through wait\n" )
67 #define DPLAYX_ReleaseSemaphore() ReleaseSemaphore( hDplayxSema, 1, NULL ); \
68 TRACE( "DPLAYX Semaphore released\n" ) /* FIXME: Is this correct? */
71 /* HACK for simple global data right now */
72 #define dwStaticSharedSize (128 * 1024) /* 128 KBytes */
73 #define dwDynamicSharedSize (512 * 1024) /* 512 KBytes */
74 #define dwTotalSharedSize ( dwStaticSharedSize + dwDynamicSharedSize )
77 /* FIXME: Is there no easier way? */
79 /* Pretend the entire dynamic area is carved up into 512 byte blocks.
80 * Each block has 4 bytes which are 0 unless used */
81 #define dwBlockSize 512
82 #define dwMaxBlock (dwDynamicSharedSize/dwBlockSize)
87 DWORD data[dwBlockSize-sizeof(DWORD)];
90 static DPLAYX_MEM_SLICE* lpMemArea;
92 void DPLAYX_PrivHeapFree( LPVOID addr );
93 void DPLAYX_PrivHeapFree( LPVOID addr )
98 /* Handle getting passed a NULL */
104 lpAddrStart = (char*)addr - sizeof(DWORD); /* Find block header */
105 dwBlockUsed = ((BYTE*)lpAddrStart - (BYTE*)lpMemArea)/dwBlockSize;
107 lpMemArea[ dwBlockUsed ].used = 0;
110 /* FIXME: This should be static, but is being used for a hack right now */
111 LPVOID DPLAYX_PrivHeapAlloc( DWORD flags, DWORD size );
112 LPVOID DPLAYX_PrivHeapAlloc( DWORD flags, DWORD size )
114 LPVOID lpvArea = NULL;
117 if( size > (dwBlockSize - sizeof(DWORD)) )
119 FIXME( "Size exceeded. Request of 0x%08lx\n", size );
120 size = dwBlockSize - sizeof(DWORD);
123 /* Find blank area */
125 while( ( lpMemArea[ uBlockUsed ].used != 0 ) && ( uBlockUsed <= dwMaxBlock ) ) { uBlockUsed++; }
127 if( uBlockUsed <= dwMaxBlock )
129 /* Set the area used */
130 lpMemArea[ uBlockUsed ].used = 1;
131 lpvArea = &(lpMemArea[ uBlockUsed ].data);
135 ERR( "No free block found\n" );
139 if( flags & HEAP_ZERO_MEMORY )
141 ZeroMemory( lpvArea, size );
147 LPSTR DPLAYX_strdupA( DWORD flags, LPCSTR str );
148 LPSTR DPLAYX_strdupA( DWORD flags, LPCSTR str )
150 LPSTR p = DPLAYX_PrivHeapAlloc( flags, strlen(str) + 1 );
157 LPWSTR DPLAYX_strdupW( DWORD flags, LPCWSTR str );
158 LPWSTR DPLAYX_strdupW( DWORD flags, LPCWSTR str )
160 INT len = strlenW(str) + 1;
161 LPWSTR p = DPLAYX_PrivHeapAlloc( flags, len * sizeof(WCHAR) );
169 enum { numSupportedLobbies = 32, numSupportedSessions = 32 };
170 typedef struct tagDPLAYX_LOBBYDATA
172 /* Points to lpConn + block of contiguous extra memory for dynamic parts
173 * of the struct directly following
175 LPDPLCONNECTION lpConn;
177 /* Information for dplobby interfaces */
179 DWORD dwAppLaunchedFromID;
181 /* Should this lobby app send messages to creator at important life
184 HANDLE hInformOnAppStart;
185 HANDLE hInformOnAppDeath;
186 HANDLE hInformOnSettingRead;
189 BOOL bWaitForConnectionSettings;
190 DWORD dwLobbyMsgThreadId;
193 } DPLAYX_LOBBYDATA, *LPDPLAYX_LOBBYDATA;
195 static DPLAYX_LOBBYDATA* lobbyData = NULL;
196 /* static DPLAYX_LOBBYDATA lobbyData[ numSupportedLobbies ]; */
198 static DPSESSIONDESC2* sessionData = NULL;
199 /* static DPSESSIONDESC2* sessionData[ numSupportedSessions ]; */
201 /* Function prototypes */
202 DWORD DPLAYX_SizeOfLobbyDataA( LPDPLCONNECTION lpDplData );
203 DWORD DPLAYX_SizeOfLobbyDataW( LPDPLCONNECTION lpDplData );
204 void DPLAYX_CopyConnStructA( LPDPLCONNECTION dest, LPDPLCONNECTION src );
205 void DPLAYX_CopyConnStructW( LPDPLCONNECTION dest, LPDPLCONNECTION src );
206 BOOL DPLAYX_IsAppIdLobbied( DWORD dwAppId, LPDPLAYX_LOBBYDATA* dplData );
207 void DPLAYX_InitializeLobbyDataEntry( LPDPLAYX_LOBBYDATA lpData );
208 BOOL DPLAYX_CopyIntoSessionDesc2A( LPDPSESSIONDESC2 lpSessionDest,
209 LPCDPSESSIONDESC2 lpSessionSrc );
213 /***************************************************************************
214 * Called to initialize the global data. This will only be used on the
216 ***************************************************************************/
217 BOOL DPLAYX_ConstructData(void)
219 SECURITY_ATTRIBUTES s_attrib;
220 BOOL bInitializeSharedMemory = FALSE;
221 LPVOID lpDesiredMemoryMapStart = (LPVOID)0x50000000;
222 HANDLE hInformOnStart;
224 TRACE( "DPLAYX dll loaded - construct called\n" );
226 /* Create a semaphore to block access to DPLAYX global data structs */
228 s_attrib.bInheritHandle = TRUE;
229 s_attrib.lpSecurityDescriptor = NULL;
230 s_attrib.nLength = sizeof(s_attrib);
232 hDplayxSema = CreateSemaphoreA( &s_attrib, 1, 1, lpszDplayxSemaName );
234 /* First instance creates the semaphore. Others just use it */
235 if( GetLastError() == ERROR_SUCCESS )
237 TRACE( "Semaphore %p created\n", hDplayxSema );
239 /* The semaphore creator will also build the shared memory */
240 bInitializeSharedMemory = TRUE;
242 else if ( GetLastError() == ERROR_ALREADY_EXISTS )
244 TRACE( "Found semaphore handle %p\n", hDplayxSema );
248 ERR( ": semaphore error %ld\n", GetLastError() );
252 SetLastError( ERROR_SUCCESS );
254 DPLAYX_AquireSemaphore();
256 hDplayxSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE,
258 PAGE_READWRITE | SEC_COMMIT,
261 lpszDplayxFileMapping );
263 if( GetLastError() == ERROR_SUCCESS )
265 TRACE( "File mapped %p created\n", hDplayxSharedMem );
267 else if ( GetLastError() == ERROR_ALREADY_EXISTS )
269 TRACE( "Found FileMapping handle %p\n", hDplayxSharedMem );
273 ERR( ": unable to create shared memory (%ld)\n", GetLastError() );
277 lpSharedStaticData = MapViewOfFileEx( hDplayxSharedMem,
279 0, 0, 0, lpDesiredMemoryMapStart );
281 if( lpSharedStaticData == NULL )
283 ERR( ": unable to map static data into process memory space (%ld)\n",
289 if( lpDesiredMemoryMapStart == lpSharedStaticData )
291 TRACE( "File mapped to %p\n", lpSharedStaticData );
295 /* Presently the shared data structures use pointers. If the
296 * files are no mapped into the same area, the pointers will no
297 * longer make any sense :(
298 * FIXME: In the future make the shared data structures have some
299 * sort of fixup to make them independent between data spaces.
300 * This will also require a rework of the session data stuff.
302 ERR( "File mapped to %p (not %p). Expect failure\n",
303 lpSharedStaticData, lpDesiredMemoryMapStart );
307 /* Dynamic area starts just after the static area */
308 lpMemArea = (LPVOID)((BYTE*)lpSharedStaticData + dwStaticSharedSize);
310 /* FIXME: Crude hack */
311 lobbyData = (DPLAYX_LOBBYDATA*)lpSharedStaticData;
312 sessionData = (DPSESSIONDESC2*)((BYTE*)lpSharedStaticData + (dwStaticSharedSize/2));
314 /* Initialize shared data segments. */
315 if( bInitializeSharedMemory )
319 TRACE( "Initializing shared memory\n" );
321 /* Set all lobbies to be "empty" */
322 for( i=0; i < numSupportedLobbies; i++ )
324 DPLAYX_InitializeLobbyDataEntry( &lobbyData[ i ] );
327 /* Set all sessions to be "empty" */
328 for( i=0; i < numSupportedSessions; i++ )
330 sessionData[i].dwSize = 0;
333 /* Zero out the dynmaic area */
334 ZeroMemory( lpMemArea, dwDynamicSharedSize );
336 /* Just for fun sync the whole data area */
337 FlushViewOfFile( lpSharedStaticData, dwTotalSharedSize );
340 DPLAYX_ReleaseSemaphore();
342 /* Everything was created correctly. Signal the lobby client that
343 * we started up correctly
345 if( DPLAYX_GetThisLobbyHandles( &hInformOnStart, NULL, NULL, FALSE ) &&
350 bSuccess = SetEvent( hInformOnStart );
351 TRACE( "Signalling lobby app start event %p %s\n",
352 hInformOnStart, bSuccess ? "succeed" : "failed" );
354 /* Close out handle */
355 DPLAYX_GetThisLobbyHandles( &hInformOnStart, NULL, NULL, TRUE );
361 /***************************************************************************
362 * Called to destroy all global data. This will only be used on the
363 * unloading of the dll
364 ***************************************************************************/
365 BOOL DPLAYX_DestructData(void)
367 HANDLE hInformOnDeath;
369 TRACE( "DPLAYX dll unloaded - destruct called\n" );
371 /* If required, inform that this app is dying */
372 if( DPLAYX_GetThisLobbyHandles( NULL, &hInformOnDeath, NULL, FALSE ) &&
377 bSuccess = SetEvent( hInformOnDeath );
378 TRACE( "Signalling lobby app death event %p %s\n",
379 hInformOnDeath, bSuccess ? "succeed" : "failed" );
381 /* Close out handle */
382 DPLAYX_GetThisLobbyHandles( NULL, &hInformOnDeath, NULL, TRUE );
385 /* DO CLEAN UP (LAST) */
387 /* Delete the semaphore */
388 CloseHandle( hDplayxSema );
390 /* Delete shared memory file mapping */
391 UnmapViewOfFile( lpSharedStaticData );
392 CloseHandle( hDplayxSharedMem );
398 void DPLAYX_InitializeLobbyDataEntry( LPDPLAYX_LOBBYDATA lpData )
400 ZeroMemory( lpData, sizeof( *lpData ) );
403 /* NOTE: This must be called with the semaphore aquired.
404 * TRUE/FALSE with a pointer to it's data returned. Pointer data is
405 * is only valid if TRUE is returned.
407 BOOL DPLAYX_IsAppIdLobbied( DWORD dwAppID, LPDPLAYX_LOBBYDATA* lplpDplData )
415 dwAppID = GetCurrentProcessId();
416 TRACE( "Translated dwAppID == 0 into 0x%08lx\n", dwAppID );
419 for( i=0; i < numSupportedLobbies; i++ )
421 if( lobbyData[ i ].dwAppID == dwAppID )
423 /* This process is lobbied */
424 TRACE( "Found 0x%08lx @ %u\n", dwAppID, i );
425 *lplpDplData = &lobbyData[ i ];
433 /* Reserve a spot for the new appliction. TRUE means success and FALSE failure. */
434 BOOL DPLAYX_CreateLobbyApplication( DWORD dwAppID )
438 /* 0 is the marker for unused application data slots */
444 DPLAYX_AquireSemaphore();
446 /* Find an empty space in the list and insert the data */
447 for( i=0; i < numSupportedLobbies; i++ )
449 if( lobbyData[ i ].dwAppID == 0 )
451 /* This process is now lobbied */
452 TRACE( "Setting lobbyData[%u] for (0x%08lx,0x%08lx)\n",
453 i, dwAppID, GetCurrentProcessId() );
455 lobbyData[ i ].dwAppID = dwAppID;
456 lobbyData[ i ].dwAppLaunchedFromID = GetCurrentProcessId();
458 /* FIXME: Where is the best place for this? In interface or here? */
459 lobbyData[ i ].hInformOnAppStart = 0;
460 lobbyData[ i ].hInformOnAppDeath = 0;
461 lobbyData[ i ].hInformOnSettingRead = 0;
463 DPLAYX_ReleaseSemaphore();
468 ERR( "No empty lobbies\n" );
470 DPLAYX_ReleaseSemaphore();
474 /* I'm not sure when I'm going to need this, but here it is */
475 BOOL DPLAYX_DestroyLobbyApplication( DWORD dwAppID )
479 DPLAYX_AquireSemaphore();
481 /* Find an empty space in the list and insert the data */
482 for( i=0; i < numSupportedLobbies; i++ )
484 if( lobbyData[ i ].dwAppID == dwAppID )
486 /* FIXME: Should free up anything unused. Tisk tisk :0 */
487 /* Mark this entry unused */
488 TRACE( "Marking lobbyData[%u] unused\n", i );
489 DPLAYX_InitializeLobbyDataEntry( &lobbyData[ i ] );
491 DPLAYX_ReleaseSemaphore();
496 DPLAYX_ReleaseSemaphore();
497 ERR( "Unable to find global entry for application\n" );
501 BOOL DPLAYX_SetLobbyHandles( DWORD dwAppID,
502 HANDLE hStart, HANDLE hDeath, HANDLE hConnRead )
504 LPDPLAYX_LOBBYDATA lpLData;
506 /* Need to explictly give lobby application. Can't set for yourself */
512 DPLAYX_AquireSemaphore();
514 if( !DPLAYX_IsAppIdLobbied( dwAppID, &lpLData ) )
516 DPLAYX_ReleaseSemaphore();
520 lpLData->hInformOnAppStart = hStart;
521 lpLData->hInformOnAppDeath = hDeath;
522 lpLData->hInformOnSettingRead = hConnRead;
524 DPLAYX_ReleaseSemaphore();
529 BOOL DPLAYX_GetThisLobbyHandles( LPHANDLE lphStart,
531 LPHANDLE lphConnRead,
532 BOOL bClearSetHandles )
534 LPDPLAYX_LOBBYDATA lpLData;
536 DPLAYX_AquireSemaphore();
538 if( !DPLAYX_IsAppIdLobbied( 0, &lpLData ) )
540 DPLAYX_ReleaseSemaphore();
544 if( lphStart != NULL )
546 if( lpLData->hInformOnAppStart == 0 )
548 DPLAYX_ReleaseSemaphore();
552 *lphStart = lpLData->hInformOnAppStart;
554 if( bClearSetHandles )
556 CloseHandle( lpLData->hInformOnAppStart );
557 lpLData->hInformOnAppStart = 0;
561 if( lphDeath != NULL )
563 if( lpLData->hInformOnAppDeath == 0 )
565 DPLAYX_ReleaseSemaphore();
569 *lphDeath = lpLData->hInformOnAppDeath;
571 if( bClearSetHandles )
573 CloseHandle( lpLData->hInformOnAppDeath );
574 lpLData->hInformOnAppDeath = 0;
578 if( lphConnRead != NULL )
580 if( lpLData->hInformOnSettingRead == 0 )
582 DPLAYX_ReleaseSemaphore();
586 *lphConnRead = lpLData->hInformOnSettingRead;
588 if( bClearSetHandles )
590 CloseHandle( lpLData->hInformOnSettingRead );
591 lpLData->hInformOnSettingRead = 0;
595 DPLAYX_ReleaseSemaphore();
601 HRESULT DPLAYX_GetConnectionSettingsA
604 LPDWORD lpdwDataSize )
606 LPDPLAYX_LOBBYDATA lpDplData;
607 DWORD dwRequiredDataSize = 0;
608 HANDLE hInformOnSettingRead;
610 DPLAYX_AquireSemaphore();
612 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
614 DPLAYX_ReleaseSemaphore();
616 TRACE( "Application 0x%08lx is not lobbied\n", dwAppID );
617 return DPERR_NOTLOBBIED;
620 dwRequiredDataSize = DPLAYX_SizeOfLobbyDataA( lpDplData->lpConn );
622 /* Do they want to know the required buffer size or is the provided buffer
625 if ( ( lpData == NULL ) ||
626 ( *lpdwDataSize < dwRequiredDataSize )
629 DPLAYX_ReleaseSemaphore();
631 *lpdwDataSize = DPLAYX_SizeOfLobbyDataA( lpDplData->lpConn );
633 return DPERR_BUFFERTOOSMALL;
636 DPLAYX_CopyConnStructA( (LPDPLCONNECTION)lpData, lpDplData->lpConn );
638 DPLAYX_ReleaseSemaphore();
640 /* They have gotten the information - signal the event if required */
641 if( DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, FALSE ) &&
646 bSuccess = SetEvent( hInformOnSettingRead );
647 TRACE( "Signalling setting read event %p %s\n",
648 hInformOnSettingRead, bSuccess ? "succeed" : "failed" );
650 /* Close out handle */
651 DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, TRUE );
657 /* Assumption: Enough contiguous space was allocated at dest */
658 void DPLAYX_CopyConnStructA( LPDPLCONNECTION dest, LPDPLCONNECTION src )
660 BYTE* lpStartOfFreeSpace;
662 CopyMemory( dest, src, sizeof( DPLCONNECTION ) );
664 lpStartOfFreeSpace = ((BYTE*)dest) + sizeof( DPLCONNECTION );
666 /* Copy the LPDPSESSIONDESC2 structure if it exists */
667 if( src->lpSessionDesc )
669 dest->lpSessionDesc = (LPDPSESSIONDESC2)lpStartOfFreeSpace;
670 lpStartOfFreeSpace += sizeof( DPSESSIONDESC2 );
671 CopyMemory( dest->lpSessionDesc, src->lpSessionDesc, sizeof( DPSESSIONDESC2 ) );
673 /* Session names may or may not exist */
674 if( src->lpSessionDesc->u1.lpszSessionNameA )
676 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpSessionDesc->u1.lpszSessionNameA );
677 dest->lpSessionDesc->u1.lpszSessionNameA = (LPSTR)lpStartOfFreeSpace;
678 lpStartOfFreeSpace +=
679 strlen( (LPSTR)dest->lpSessionDesc->u1.lpszSessionNameA ) + 1;
682 if( src->lpSessionDesc->u2.lpszPasswordA )
684 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpSessionDesc->u2.lpszPasswordA );
685 dest->lpSessionDesc->u2.lpszPasswordA = (LPSTR)lpStartOfFreeSpace;
686 lpStartOfFreeSpace +=
687 strlen( (LPSTR)dest->lpSessionDesc->u2.lpszPasswordA ) + 1;
691 /* DPNAME structure is optional */
692 if( src->lpPlayerName )
694 dest->lpPlayerName = (LPDPNAME)lpStartOfFreeSpace;
695 lpStartOfFreeSpace += sizeof( DPNAME );
696 CopyMemory( dest->lpPlayerName, src->lpPlayerName, sizeof( DPNAME ) );
698 if( src->lpPlayerName->u1.lpszShortNameA )
700 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpPlayerName->u1.lpszShortNameA );
701 dest->lpPlayerName->u1.lpszShortNameA = (LPSTR)lpStartOfFreeSpace;
702 lpStartOfFreeSpace +=
703 strlen( (LPSTR)dest->lpPlayerName->u1.lpszShortNameA ) + 1;
706 if( src->lpPlayerName->u2.lpszLongNameA )
708 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpPlayerName->u2.lpszLongNameA );
709 dest->lpPlayerName->u2.lpszLongNameA = (LPSTR)lpStartOfFreeSpace;
710 lpStartOfFreeSpace +=
711 strlen( (LPSTR)dest->lpPlayerName->u2.lpszLongName ) + 1 ;
716 /* Copy address if it exists */
719 dest->lpAddress = (LPVOID)lpStartOfFreeSpace;
720 CopyMemory( lpStartOfFreeSpace, src->lpAddress, src->dwAddressSize );
721 /* No need to advance lpStartOfFreeSpace as there is no more "dynamic" data */
725 HRESULT DPLAYX_GetConnectionSettingsW
728 LPDWORD lpdwDataSize )
730 LPDPLAYX_LOBBYDATA lpDplData;
731 DWORD dwRequiredDataSize = 0;
732 HANDLE hInformOnSettingRead;
734 DPLAYX_AquireSemaphore();
736 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
738 DPLAYX_ReleaseSemaphore();
739 return DPERR_NOTLOBBIED;
742 dwRequiredDataSize = DPLAYX_SizeOfLobbyDataW( lpDplData->lpConn );
744 /* Do they want to know the required buffer size or is the provided buffer
747 if ( ( lpData == NULL ) ||
748 ( *lpdwDataSize < dwRequiredDataSize )
751 DPLAYX_ReleaseSemaphore();
753 *lpdwDataSize = DPLAYX_SizeOfLobbyDataW( lpDplData->lpConn );
755 return DPERR_BUFFERTOOSMALL;
758 DPLAYX_CopyConnStructW( (LPDPLCONNECTION)lpData, lpDplData->lpConn );
760 DPLAYX_ReleaseSemaphore();
762 /* They have gotten the information - signal the event if required */
763 if( DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, FALSE ) &&
768 bSuccess = SetEvent( hInformOnSettingRead );
769 TRACE( "Signalling setting read event %p %s\n",
770 hInformOnSettingRead, bSuccess ? "succeed" : "failed" );
772 /* Close out handle */
773 DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, TRUE );
779 /* Assumption: Enough contiguous space was allocated at dest */
780 void DPLAYX_CopyConnStructW( LPDPLCONNECTION dest, LPDPLCONNECTION src )
782 BYTE* lpStartOfFreeSpace;
784 CopyMemory( dest, src, sizeof( DPLCONNECTION ) );
786 lpStartOfFreeSpace = ( (BYTE*)dest) + sizeof( DPLCONNECTION );
788 /* Copy the LPDPSESSIONDESC2 structure if it exists */
789 if( src->lpSessionDesc )
791 dest->lpSessionDesc = (LPDPSESSIONDESC2)lpStartOfFreeSpace;
792 lpStartOfFreeSpace += sizeof( DPSESSIONDESC2 );
793 CopyMemory( dest->lpSessionDesc, src->lpSessionDesc, sizeof( DPSESSIONDESC2 ) );
795 /* Session names may or may not exist */
796 if( src->lpSessionDesc->u1.lpszSessionName )
798 strcpyW( (LPWSTR)lpStartOfFreeSpace, dest->lpSessionDesc->u1.lpszSessionName );
799 src->lpSessionDesc->u1.lpszSessionName = (LPWSTR)lpStartOfFreeSpace;
800 lpStartOfFreeSpace += sizeof(WCHAR) *
801 ( strlenW( (LPWSTR)dest->lpSessionDesc->u1.lpszSessionName ) + 1 );
804 if( src->lpSessionDesc->u2.lpszPassword )
806 strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpSessionDesc->u2.lpszPassword );
807 dest->lpSessionDesc->u2.lpszPassword = (LPWSTR)lpStartOfFreeSpace;
808 lpStartOfFreeSpace += sizeof(WCHAR) *
809 ( strlenW( (LPWSTR)dest->lpSessionDesc->u2.lpszPassword ) + 1 );
813 /* DPNAME structure is optional */
814 if( src->lpPlayerName )
816 dest->lpPlayerName = (LPDPNAME)lpStartOfFreeSpace;
817 lpStartOfFreeSpace += sizeof( DPNAME );
818 CopyMemory( dest->lpPlayerName, src->lpPlayerName, sizeof( DPNAME ) );
820 if( src->lpPlayerName->u1.lpszShortName )
822 strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u1.lpszShortName );
823 dest->lpPlayerName->u1.lpszShortName = (LPWSTR)lpStartOfFreeSpace;
824 lpStartOfFreeSpace += sizeof(WCHAR) *
825 ( strlenW( (LPWSTR)dest->lpPlayerName->u1.lpszShortName ) + 1 );
828 if( src->lpPlayerName->u2.lpszLongName )
830 strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u2.lpszLongName );
831 dest->lpPlayerName->u2.lpszLongName = (LPWSTR)lpStartOfFreeSpace;
832 lpStartOfFreeSpace += sizeof(WCHAR) *
833 ( strlenW( (LPWSTR)dest->lpPlayerName->u2.lpszLongName ) + 1 );
838 /* Copy address if it exists */
841 dest->lpAddress = (LPVOID)lpStartOfFreeSpace;
842 CopyMemory( lpStartOfFreeSpace, src->lpAddress, src->dwAddressSize );
843 /* No need to advance lpStartOfFreeSpace as there is no more "dynamic" data */
848 /* Store the structure into the shared data structre. Ensure that allocs for
849 * variable length strings come from the shared data structure.
850 * FIXME: We need to free information as well
852 HRESULT DPLAYX_SetConnectionSettingsA
855 LPDPLCONNECTION lpConn )
857 LPDPLAYX_LOBBYDATA lpDplData;
859 /* Parameter check */
860 if( dwFlags || !lpConn )
862 ERR("invalid parameters.\n");
863 return DPERR_INVALIDPARAMS;
866 /* Store information */
867 if( lpConn->dwSize != sizeof(DPLCONNECTION) )
869 ERR(": old/new DPLCONNECTION type? Size=%08lx vs. expected=%ul bytes\n",
870 lpConn->dwSize, sizeof( DPLCONNECTION ) );
872 return DPERR_INVALIDPARAMS;
875 DPLAYX_AquireSemaphore();
877 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
879 DPLAYX_ReleaseSemaphore();
881 return DPERR_NOTLOBBIED;
884 if( (!lpConn->lpSessionDesc ) ||
885 ( lpConn->lpSessionDesc->dwSize != sizeof( DPSESSIONDESC2 ) )
888 DPLAYX_ReleaseSemaphore();
890 ERR("DPSESSIONDESC passed in? Size=%lu vs. expected=%u bytes\n",
891 lpConn->lpSessionDesc->dwSize, sizeof( DPSESSIONDESC2 ) );
893 return DPERR_INVALIDPARAMS;
896 /* Free the existing memory */
897 DPLAYX_PrivHeapFree( lpDplData->lpConn );
899 lpDplData->lpConn = DPLAYX_PrivHeapAlloc( HEAP_ZERO_MEMORY,
900 DPLAYX_SizeOfLobbyDataA( lpConn ) );
902 DPLAYX_CopyConnStructA( lpDplData->lpConn, lpConn );
905 DPLAYX_ReleaseSemaphore();
907 /* FIXME: Send a message - I think */
912 /* Store the structure into the shared data structre. Ensure that allocs for
913 * variable length strings come from the shared data structure.
914 * FIXME: We need to free information as well
916 HRESULT DPLAYX_SetConnectionSettingsW
919 LPDPLCONNECTION lpConn )
921 LPDPLAYX_LOBBYDATA lpDplData;
923 /* Parameter check */
924 if( dwFlags || !lpConn )
926 ERR("invalid parameters.\n");
927 return DPERR_INVALIDPARAMS;
930 /* Store information */
931 if( lpConn->dwSize != sizeof(DPLCONNECTION) )
933 ERR(": old/new DPLCONNECTION type? Size=%lu vs. expected=%u bytes\n",
934 lpConn->dwSize, sizeof( DPLCONNECTION ) );
936 return DPERR_INVALIDPARAMS;
939 DPLAYX_AquireSemaphore();
941 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
943 DPLAYX_ReleaseSemaphore();
945 return DPERR_NOTLOBBIED;
948 /* Free the existing memory */
949 DPLAYX_PrivHeapFree( lpDplData->lpConn );
951 lpDplData->lpConn = DPLAYX_PrivHeapAlloc( HEAP_ZERO_MEMORY,
952 DPLAYX_SizeOfLobbyDataW( lpConn ) );
954 DPLAYX_CopyConnStructW( lpDplData->lpConn, lpConn );
957 DPLAYX_ReleaseSemaphore();
959 /* FIXME: Send a message - I think */
964 DWORD DPLAYX_SizeOfLobbyDataA( LPDPLCONNECTION lpConn )
966 DWORD dwTotalSize = sizeof( DPLCONNECTION );
968 /* Just a safety check */
971 ERR( "lpConn is NULL\n" );
975 if( lpConn->lpSessionDesc != NULL )
977 dwTotalSize += sizeof( DPSESSIONDESC2 );
979 if( lpConn->lpSessionDesc->u1.lpszSessionNameA )
981 dwTotalSize += strlen( lpConn->lpSessionDesc->u1.lpszSessionNameA ) + 1;
984 if( lpConn->lpSessionDesc->u2.lpszPasswordA )
986 dwTotalSize += strlen( lpConn->lpSessionDesc->u2.lpszPasswordA ) + 1;
990 if( lpConn->lpPlayerName != NULL )
992 dwTotalSize += sizeof( DPNAME );
994 if( lpConn->lpPlayerName->u1.lpszShortNameA )
996 dwTotalSize += strlen( lpConn->lpPlayerName->u1.lpszShortNameA ) + 1;
999 if( lpConn->lpPlayerName->u2.lpszLongNameA )
1001 dwTotalSize += strlen( lpConn->lpPlayerName->u2.lpszLongNameA ) + 1;
1006 dwTotalSize += lpConn->dwAddressSize;
1011 DWORD DPLAYX_SizeOfLobbyDataW( LPDPLCONNECTION lpConn )
1013 DWORD dwTotalSize = sizeof( DPLCONNECTION );
1015 /* Just a safety check */
1016 if( lpConn == NULL )
1018 ERR( "lpConn is NULL\n" );
1022 if( lpConn->lpSessionDesc != NULL )
1024 dwTotalSize += sizeof( DPSESSIONDESC2 );
1026 if( lpConn->lpSessionDesc->u1.lpszSessionName )
1028 dwTotalSize += sizeof( WCHAR ) *
1029 ( strlenW( lpConn->lpSessionDesc->u1.lpszSessionName ) + 1 );
1032 if( lpConn->lpSessionDesc->u2.lpszPassword )
1034 dwTotalSize += sizeof( WCHAR ) *
1035 ( strlenW( lpConn->lpSessionDesc->u2.lpszPassword ) + 1 );
1039 if( lpConn->lpPlayerName != NULL )
1041 dwTotalSize += sizeof( DPNAME );
1043 if( lpConn->lpPlayerName->u1.lpszShortName )
1045 dwTotalSize += sizeof( WCHAR ) *
1046 ( strlenW( lpConn->lpPlayerName->u1.lpszShortName ) + 1 );
1049 if( lpConn->lpPlayerName->u2.lpszLongName )
1051 dwTotalSize += sizeof( WCHAR ) *
1052 ( strlenW( lpConn->lpPlayerName->u2.lpszLongName ) + 1 );
1057 dwTotalSize += lpConn->dwAddressSize;
1064 LPDPSESSIONDESC2 DPLAYX_CopyAndAllocateSessionDesc2A( LPCDPSESSIONDESC2 lpSessionSrc )
1066 LPDPSESSIONDESC2 lpSessionDest =
1067 HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *lpSessionSrc ) );
1068 DPLAYX_CopyIntoSessionDesc2A( lpSessionDest, lpSessionSrc );
1070 return lpSessionDest;
1073 /* Copy an ANSI session desc structure to the given buffer */
1074 BOOL DPLAYX_CopyIntoSessionDesc2A( LPDPSESSIONDESC2 lpSessionDest,
1075 LPCDPSESSIONDESC2 lpSessionSrc )
1077 CopyMemory( lpSessionDest, lpSessionSrc, sizeof( *lpSessionSrc ) );
1079 if( lpSessionSrc->u1.lpszSessionNameA )
1081 if ((lpSessionDest->u1.lpszSessionNameA = HeapAlloc( GetProcessHeap(), 0,
1082 strlen(lpSessionSrc->u1.lpszSessionNameA)+1 )))
1083 strcpy( lpSessionDest->u1.lpszSessionNameA, lpSessionSrc->u1.lpszSessionNameA );
1085 if( lpSessionSrc->u2.lpszPasswordA )
1087 if ((lpSessionDest->u2.lpszPasswordA = HeapAlloc( GetProcessHeap(), 0,
1088 strlen(lpSessionSrc->u2.lpszPasswordA)+1 )))
1089 strcpy( lpSessionDest->u2.lpszPasswordA, lpSessionSrc->u2.lpszPasswordA );
1095 /* Start the index at 0. index will be updated to equal that which should
1096 be passed back into this function for the next element */
1097 LPDPSESSIONDESC2 DPLAYX_CopyAndAllocateLocalSession( UINT* index )
1099 for( ; (*index) < numSupportedSessions; (*index)++ )
1101 if( sessionData[(*index)].dwSize != 0 )
1103 return DPLAYX_CopyAndAllocateSessionDesc2A( &sessionData[(*index)++] );
1107 /* No more sessions */
1111 /* Start the index at 0. index will be updated to equal that which should
1112 be passed back into this function for the next element */
1113 BOOL DPLAYX_CopyLocalSession( UINT* index, LPDPSESSIONDESC2 lpsd )
1115 for( ; (*index) < numSupportedSessions; (*index)++ )
1117 if( sessionData[(*index)].dwSize != 0 )
1119 return DPLAYX_CopyIntoSessionDesc2A( lpsd, &sessionData[(*index)++] );
1123 /* No more sessions */
1127 void DPLAYX_SetLocalSession( LPCDPSESSIONDESC2 lpsd )
1131 /* FIXME: Is this an error if it exists already? */
1133 /* Crude/wrong implementation for now. Just always add to first empty spot */
1134 for( i=0; i < numSupportedSessions; i++ )
1136 /* Is this one empty? */
1137 if( sessionData[i].dwSize == 0 )
1139 DPLAYX_CopyIntoSessionDesc2A( &sessionData[i], lpsd );
1146 BOOL DPLAYX_WaitForConnectionSettings( BOOL bWait )
1148 LPDPLAYX_LOBBYDATA lpLobbyData;
1150 DPLAYX_AquireSemaphore();
1152 if( !DPLAYX_IsAppIdLobbied( 0, &lpLobbyData ) )
1154 DPLAYX_ReleaseSemaphore();
1158 lpLobbyData->bWaitForConnectionSettings = bWait;
1160 DPLAYX_ReleaseSemaphore();
1165 BOOL DPLAYX_AnyLobbiesWaitingForConnSettings(void)
1168 BOOL bFound = FALSE;
1170 DPLAYX_AquireSemaphore();
1172 for( i=0; i < numSupportedLobbies; i++ )
1174 if( ( lobbyData[ i ].dwAppID != 0 ) && /* lobby initialized */
1175 ( lobbyData[ i ].bWaitForConnectionSettings ) /* Waiting */
1183 DPLAYX_ReleaseSemaphore();
1188 BOOL DPLAYX_SetLobbyMsgThreadId( DWORD dwAppId, DWORD dwThreadId )
1190 LPDPLAYX_LOBBYDATA lpLobbyData;
1192 DPLAYX_AquireSemaphore();
1194 if( !DPLAYX_IsAppIdLobbied( dwAppId, &lpLobbyData ) )
1196 DPLAYX_ReleaseSemaphore();
1200 lpLobbyData->dwLobbyMsgThreadId = dwThreadId;
1202 DPLAYX_ReleaseSemaphore();
1207 /* NOTE: This is potentially not thread safe. You are not guaranteed to end up
1208 with the correct string printed in the case where the HRESULT is not
1209 known. You will just get the last hr passed in. This can change
1210 over time if this method is used a lot :) */
1211 LPCSTR DPLAYX_HresultToString(HRESULT hr)
1213 static char szTempStr[12];
1219 case DPERR_ALREADYINITIALIZED:
1220 return "DPERR_ALREADYINITIALIZED";
1221 case DPERR_ACCESSDENIED:
1222 return "DPERR_ACCESSDENIED";
1223 case DPERR_ACTIVEPLAYERS:
1224 return "DPERR_ACTIVEPLAYERS";
1225 case DPERR_BUFFERTOOSMALL:
1226 return "DPERR_BUFFERTOOSMALL";
1227 case DPERR_CANTADDPLAYER:
1228 return "DPERR_CANTADDPLAYER";
1229 case DPERR_CANTCREATEGROUP:
1230 return "DPERR_CANTCREATEGROUP";
1231 case DPERR_CANTCREATEPLAYER:
1232 return "DPERR_CANTCREATEPLAYER";
1233 case DPERR_CANTCREATESESSION:
1234 return "DPERR_CANTCREATESESSION";
1235 case DPERR_CAPSNOTAVAILABLEYET:
1236 return "DPERR_CAPSNOTAVAILABLEYET";
1237 case DPERR_EXCEPTION:
1238 return "DPERR_EXCEPTION";
1240 return "DPERR_GENERIC";
1241 case DPERR_INVALIDFLAGS:
1242 return "DPERR_INVALIDFLAGS";
1243 case DPERR_INVALIDOBJECT:
1244 return "DPERR_INVALIDOBJECT";
1245 case DPERR_INVALIDPARAMS:
1246 return "DPERR_INVALIDPARAMS";
1247 case DPERR_INVALIDPLAYER:
1248 return "DPERR_INVALIDPLAYER";
1249 case DPERR_INVALIDGROUP:
1250 return "DPERR_INVALIDGROUP";
1252 return "DPERR_NOCAPS";
1253 case DPERR_NOCONNECTION:
1254 return "DPERR_NOCONNECTION";
1255 case DPERR_OUTOFMEMORY:
1256 return "DPERR_OUTOFMEMORY";
1257 case DPERR_NOMESSAGES:
1258 return "DPERR_NOMESSAGES";
1259 case DPERR_NONAMESERVERFOUND:
1260 return "DPERR_NONAMESERVERFOUND";
1261 case DPERR_NOPLAYERS:
1262 return "DPERR_NOPLAYERS";
1263 case DPERR_NOSESSIONS:
1264 return "DPERR_NOSESSIONS";
1266 return "DPERR_PENDING";
1267 case DPERR_SENDTOOBIG:
1268 return "DPERR_SENDTOOBIG";
1270 return "DPERR_TIMEOUT";
1271 case DPERR_UNAVAILABLE:
1272 return "DPERR_UNAVAILABLE";
1273 case DPERR_UNSUPPORTED:
1274 return "DPERR_UNSUPPORTED";
1276 return "DPERR_BUSY";
1277 case DPERR_USERCANCEL:
1278 return "DPERR_USERCANCEL";
1279 case DPERR_NOINTERFACE:
1280 return "DPERR_NOINTERFACE";
1281 case DPERR_CANNOTCREATESERVER:
1282 return "DPERR_CANNOTCREATESERVER";
1283 case DPERR_PLAYERLOST:
1284 return "DPERR_PLAYERLOST";
1285 case DPERR_SESSIONLOST:
1286 return "DPERR_SESSIONLOST";
1287 case DPERR_UNINITIALIZED:
1288 return "DPERR_UNINITIALIZED";
1289 case DPERR_NONEWPLAYERS:
1290 return "DPERR_NONEWPLAYERS";
1291 case DPERR_INVALIDPASSWORD:
1292 return "DPERR_INVALIDPASSWORD";
1293 case DPERR_CONNECTING:
1294 return "DPERR_CONNECTING";
1295 case DPERR_CONNECTIONLOST:
1296 return "DPERR_CONNECTIONLOST";
1297 case DPERR_UNKNOWNMESSAGE:
1298 return "DPERR_UNKNOWNMESSAGE";
1299 case DPERR_CANCELFAILED:
1300 return "DPERR_CANCELFAILED";
1301 case DPERR_INVALIDPRIORITY:
1302 return "DPERR_INVALIDPRIORITY";
1303 case DPERR_NOTHANDLED:
1304 return "DPERR_NOTHANDLED";
1305 case DPERR_CANCELLED:
1306 return "DPERR_CANCELLED";
1308 return "DPERR_ABORTED";
1309 case DPERR_BUFFERTOOLARGE:
1310 return "DPERR_BUFFERTOOLARGE";
1311 case DPERR_CANTCREATEPROCESS:
1312 return "DPERR_CANTCREATEPROCESS";
1313 case DPERR_APPNOTSTARTED:
1314 return "DPERR_APPNOTSTARTED";
1315 case DPERR_INVALIDINTERFACE:
1316 return "DPERR_INVALIDINTERFACE";
1317 case DPERR_NOSERVICEPROVIDER:
1318 return "DPERR_NOSERVICEPROVIDER";
1319 case DPERR_UNKNOWNAPPLICATION:
1320 return "DPERR_UNKNOWNAPPLICATION";
1321 case DPERR_NOTLOBBIED:
1322 return "DPERR_NOTLOBBIED";
1323 case DPERR_SERVICEPROVIDERLOADED:
1324 return "DPERR_SERVICEPROVIDERLOADED";
1325 case DPERR_ALREADYREGISTERED:
1326 return "DPERR_ALREADYREGISTERED";
1327 case DPERR_NOTREGISTERED:
1328 return "DPERR_NOTREGISTERED";
1329 case DPERR_AUTHENTICATIONFAILED:
1330 return "DPERR_AUTHENTICATIONFAILED";
1331 case DPERR_CANTLOADSSPI:
1332 return "DPERR_CANTLOADSSPI";
1333 case DPERR_ENCRYPTIONFAILED:
1334 return "DPERR_ENCRYPTIONFAILED";
1335 case DPERR_SIGNFAILED:
1336 return "DPERR_SIGNFAILED";
1337 case DPERR_CANTLOADSECURITYPACKAGE:
1338 return "DPERR_CANTLOADSECURITYPACKAGE";
1339 case DPERR_ENCRYPTIONNOTSUPPORTED:
1340 return "DPERR_ENCRYPTIONNOTSUPPORTED";
1341 case DPERR_CANTLOADCAPI:
1342 return "DPERR_CANTLOADCAPI";
1343 case DPERR_NOTLOGGEDIN:
1344 return "DPERR_NOTLOGGEDIN";
1345 case DPERR_LOGONDENIED:
1346 return "DPERR_LOGONDENIED";
1348 /* For errors not in the list, return HRESULT as a string
1349 This part is not thread safe */
1350 WARN( "Unknown error 0x%08lx\n", hr );
1351 wsprintfA( szTempStr, "0x%08lx", hr );