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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 const char lpszDplayxSemaName[] = "WINE_DPLAYX_SM";
55 static HANDLE hDplayxSema;
57 static const char lpszDplayxFileMapping[] = "WINE_DPLAYX_FM";
58 static HANDLE hDplayxSharedMem;
60 static LPVOID lpSharedStaticData = NULL;
63 #define DPLAYX_AcquireSemaphore() 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%08x\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, 0, 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 );
245 DPLAYX_AcquireSemaphore();
249 ERR( ": semaphore error %d\n", GetLastError() );
253 SetLastError( ERROR_SUCCESS );
255 hDplayxSharedMem = CreateFileMappingA( INVALID_HANDLE_VALUE,
257 PAGE_READWRITE | SEC_COMMIT,
260 lpszDplayxFileMapping );
262 if( GetLastError() == ERROR_SUCCESS )
264 TRACE( "File mapped %p created\n", hDplayxSharedMem );
266 else if ( GetLastError() == ERROR_ALREADY_EXISTS )
268 TRACE( "Found FileMapping handle %p\n", hDplayxSharedMem );
272 ERR( ": unable to create shared memory (%d)\n", GetLastError() );
273 DPLAYX_ReleaseSemaphore();
277 lpSharedStaticData = MapViewOfFileEx( hDplayxSharedMem,
279 0, 0, 0, lpDesiredMemoryMapStart );
281 if( lpSharedStaticData == NULL )
283 ERR( ": unable to map static data into process memory space (%d)\n",
285 DPLAYX_ReleaseSemaphore();
290 if( lpDesiredMemoryMapStart == lpSharedStaticData )
292 TRACE( "File mapped to %p\n", lpSharedStaticData );
296 /* Presently the shared data structures use pointers. If the
297 * files are no mapped into the same area, the pointers will no
298 * longer make any sense :(
299 * FIXME: In the future make the shared data structures have some
300 * sort of fixup to make them independent between data spaces.
301 * This will also require a rework of the session data stuff.
303 ERR( "File mapped to %p (not %p). Expect failure\n",
304 lpSharedStaticData, lpDesiredMemoryMapStart );
308 /* Dynamic area starts just after the static area */
309 lpMemArea = (LPVOID)((BYTE*)lpSharedStaticData + dwStaticSharedSize);
311 /* FIXME: Crude hack */
312 lobbyData = (DPLAYX_LOBBYDATA*)lpSharedStaticData;
313 sessionData = (DPSESSIONDESC2*)((BYTE*)lpSharedStaticData + (dwStaticSharedSize/2));
315 /* Initialize shared data segments. */
316 if( bInitializeSharedMemory )
320 TRACE( "Initializing shared memory\n" );
322 /* Set all lobbies to be "empty" */
323 for( i=0; i < numSupportedLobbies; i++ )
325 DPLAYX_InitializeLobbyDataEntry( &lobbyData[ i ] );
328 /* Set all sessions to be "empty" */
329 for( i=0; i < numSupportedSessions; i++ )
331 sessionData[i].dwSize = 0;
334 /* Zero out the dynmaic area */
335 ZeroMemory( lpMemArea, dwDynamicSharedSize );
337 /* Just for fun sync the whole data area */
338 FlushViewOfFile( lpSharedStaticData, dwTotalSharedSize );
341 DPLAYX_ReleaseSemaphore();
343 /* Everything was created correctly. Signal the lobby client that
344 * we started up correctly
346 if( DPLAYX_GetThisLobbyHandles( &hInformOnStart, NULL, NULL, FALSE ) &&
351 bSuccess = SetEvent( hInformOnStart );
352 TRACE( "Signalling lobby app start event %p %s\n",
353 hInformOnStart, bSuccess ? "succeed" : "failed" );
355 /* Close out handle */
356 DPLAYX_GetThisLobbyHandles( &hInformOnStart, NULL, NULL, TRUE );
362 /***************************************************************************
363 * Called to destroy all global data. This will only be used on the
364 * unloading of the dll
365 ***************************************************************************/
366 BOOL DPLAYX_DestructData(void)
368 HANDLE hInformOnDeath;
370 TRACE( "DPLAYX dll unloaded - destruct called\n" );
372 /* If required, inform that this app is dying */
373 if( DPLAYX_GetThisLobbyHandles( NULL, &hInformOnDeath, NULL, FALSE ) &&
378 bSuccess = SetEvent( hInformOnDeath );
379 TRACE( "Signalling lobby app death event %p %s\n",
380 hInformOnDeath, bSuccess ? "succeed" : "failed" );
382 /* Close out handle */
383 DPLAYX_GetThisLobbyHandles( NULL, &hInformOnDeath, NULL, TRUE );
386 /* DO CLEAN UP (LAST) */
388 /* Delete the semaphore */
389 CloseHandle( hDplayxSema );
391 /* Delete shared memory file mapping */
392 UnmapViewOfFile( lpSharedStaticData );
393 CloseHandle( hDplayxSharedMem );
399 void DPLAYX_InitializeLobbyDataEntry( LPDPLAYX_LOBBYDATA lpData )
401 ZeroMemory( lpData, sizeof( *lpData ) );
404 /* NOTE: This must be called with the semaphore acquired.
405 * TRUE/FALSE with a pointer to it's data returned. Pointer data is
406 * is only valid if TRUE is returned.
408 BOOL DPLAYX_IsAppIdLobbied( DWORD dwAppID, LPDPLAYX_LOBBYDATA* lplpDplData )
416 dwAppID = GetCurrentProcessId();
417 TRACE( "Translated dwAppID == 0 into 0x%08x\n", dwAppID );
420 for( i=0; i < numSupportedLobbies; i++ )
422 if( lobbyData[ i ].dwAppID == dwAppID )
424 /* This process is lobbied */
425 TRACE( "Found 0x%08x @ %u\n", dwAppID, i );
426 *lplpDplData = &lobbyData[ i ];
434 /* Reserve a spot for the new appliction. TRUE means success and FALSE failure. */
435 BOOL DPLAYX_CreateLobbyApplication( DWORD dwAppID )
439 /* 0 is the marker for unused application data slots */
445 DPLAYX_AcquireSemaphore();
447 /* Find an empty space in the list and insert the data */
448 for( i=0; i < numSupportedLobbies; i++ )
450 if( lobbyData[ i ].dwAppID == 0 )
452 /* This process is now lobbied */
453 TRACE( "Setting lobbyData[%u] for (0x%08x,0x%08x)\n",
454 i, dwAppID, GetCurrentProcessId() );
456 lobbyData[ i ].dwAppID = dwAppID;
457 lobbyData[ i ].dwAppLaunchedFromID = GetCurrentProcessId();
459 /* FIXME: Where is the best place for this? In interface or here? */
460 lobbyData[ i ].hInformOnAppStart = 0;
461 lobbyData[ i ].hInformOnAppDeath = 0;
462 lobbyData[ i ].hInformOnSettingRead = 0;
464 DPLAYX_ReleaseSemaphore();
469 ERR( "No empty lobbies\n" );
471 DPLAYX_ReleaseSemaphore();
475 /* I'm not sure when I'm going to need this, but here it is */
476 BOOL DPLAYX_DestroyLobbyApplication( DWORD dwAppID )
480 DPLAYX_AcquireSemaphore();
482 /* Find an empty space in the list and insert the data */
483 for( i=0; i < numSupportedLobbies; i++ )
485 if( lobbyData[ i ].dwAppID == dwAppID )
487 /* FIXME: Should free up anything unused. Tisk tisk :0 */
488 /* Mark this entry unused */
489 TRACE( "Marking lobbyData[%u] unused\n", i );
490 DPLAYX_InitializeLobbyDataEntry( &lobbyData[ i ] );
492 DPLAYX_ReleaseSemaphore();
497 DPLAYX_ReleaseSemaphore();
498 ERR( "Unable to find global entry for application\n" );
502 BOOL DPLAYX_SetLobbyHandles( DWORD dwAppID,
503 HANDLE hStart, HANDLE hDeath, HANDLE hConnRead )
505 LPDPLAYX_LOBBYDATA lpLData;
507 /* Need to explictly give lobby application. Can't set for yourself */
513 DPLAYX_AcquireSemaphore();
515 if( !DPLAYX_IsAppIdLobbied( dwAppID, &lpLData ) )
517 DPLAYX_ReleaseSemaphore();
521 lpLData->hInformOnAppStart = hStart;
522 lpLData->hInformOnAppDeath = hDeath;
523 lpLData->hInformOnSettingRead = hConnRead;
525 DPLAYX_ReleaseSemaphore();
530 BOOL DPLAYX_GetThisLobbyHandles( LPHANDLE lphStart,
532 LPHANDLE lphConnRead,
533 BOOL bClearSetHandles )
535 LPDPLAYX_LOBBYDATA lpLData;
537 DPLAYX_AcquireSemaphore();
539 if( !DPLAYX_IsAppIdLobbied( 0, &lpLData ) )
541 DPLAYX_ReleaseSemaphore();
545 if( lphStart != NULL )
547 if( lpLData->hInformOnAppStart == 0 )
549 DPLAYX_ReleaseSemaphore();
553 *lphStart = lpLData->hInformOnAppStart;
555 if( bClearSetHandles )
557 CloseHandle( lpLData->hInformOnAppStart );
558 lpLData->hInformOnAppStart = 0;
562 if( lphDeath != NULL )
564 if( lpLData->hInformOnAppDeath == 0 )
566 DPLAYX_ReleaseSemaphore();
570 *lphDeath = lpLData->hInformOnAppDeath;
572 if( bClearSetHandles )
574 CloseHandle( lpLData->hInformOnAppDeath );
575 lpLData->hInformOnAppDeath = 0;
579 if( lphConnRead != NULL )
581 if( lpLData->hInformOnSettingRead == 0 )
583 DPLAYX_ReleaseSemaphore();
587 *lphConnRead = lpLData->hInformOnSettingRead;
589 if( bClearSetHandles )
591 CloseHandle( lpLData->hInformOnSettingRead );
592 lpLData->hInformOnSettingRead = 0;
596 DPLAYX_ReleaseSemaphore();
602 HRESULT DPLAYX_GetConnectionSettingsA
605 LPDWORD lpdwDataSize )
607 LPDPLAYX_LOBBYDATA lpDplData;
608 DWORD dwRequiredDataSize = 0;
609 HANDLE hInformOnSettingRead;
611 DPLAYX_AcquireSemaphore();
613 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
615 DPLAYX_ReleaseSemaphore();
617 TRACE( "Application 0x%08x is not lobbied\n", dwAppID );
618 return DPERR_NOTLOBBIED;
621 dwRequiredDataSize = DPLAYX_SizeOfLobbyDataA( lpDplData->lpConn );
623 /* Do they want to know the required buffer size or is the provided buffer
626 if ( ( lpData == NULL ) ||
627 ( *lpdwDataSize < dwRequiredDataSize )
630 DPLAYX_ReleaseSemaphore();
632 *lpdwDataSize = DPLAYX_SizeOfLobbyDataA( lpDplData->lpConn );
634 return DPERR_BUFFERTOOSMALL;
637 DPLAYX_CopyConnStructA( (LPDPLCONNECTION)lpData, lpDplData->lpConn );
639 DPLAYX_ReleaseSemaphore();
641 /* They have gotten the information - signal the event if required */
642 if( DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, FALSE ) &&
647 bSuccess = SetEvent( hInformOnSettingRead );
648 TRACE( "Signalling setting read event %p %s\n",
649 hInformOnSettingRead, bSuccess ? "succeed" : "failed" );
651 /* Close out handle */
652 DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, TRUE );
658 /* Assumption: Enough contiguous space was allocated at dest */
659 void DPLAYX_CopyConnStructA( LPDPLCONNECTION dest, LPDPLCONNECTION src )
661 BYTE* lpStartOfFreeSpace;
663 CopyMemory( dest, src, sizeof( DPLCONNECTION ) );
665 lpStartOfFreeSpace = ((BYTE*)dest) + sizeof( DPLCONNECTION );
667 /* Copy the LPDPSESSIONDESC2 structure if it exists */
668 if( src->lpSessionDesc )
670 dest->lpSessionDesc = (LPDPSESSIONDESC2)lpStartOfFreeSpace;
671 lpStartOfFreeSpace += sizeof( DPSESSIONDESC2 );
672 CopyMemory( dest->lpSessionDesc, src->lpSessionDesc, sizeof( DPSESSIONDESC2 ) );
674 /* Session names may or may not exist */
675 if( src->lpSessionDesc->u1.lpszSessionNameA )
677 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpSessionDesc->u1.lpszSessionNameA );
678 dest->lpSessionDesc->u1.lpszSessionNameA = (LPSTR)lpStartOfFreeSpace;
679 lpStartOfFreeSpace +=
680 strlen( (LPSTR)dest->lpSessionDesc->u1.lpszSessionNameA ) + 1;
683 if( src->lpSessionDesc->u2.lpszPasswordA )
685 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpSessionDesc->u2.lpszPasswordA );
686 dest->lpSessionDesc->u2.lpszPasswordA = (LPSTR)lpStartOfFreeSpace;
687 lpStartOfFreeSpace +=
688 strlen( (LPSTR)dest->lpSessionDesc->u2.lpszPasswordA ) + 1;
692 /* DPNAME structure is optional */
693 if( src->lpPlayerName )
695 dest->lpPlayerName = (LPDPNAME)lpStartOfFreeSpace;
696 lpStartOfFreeSpace += sizeof( DPNAME );
697 CopyMemory( dest->lpPlayerName, src->lpPlayerName, sizeof( DPNAME ) );
699 if( src->lpPlayerName->u1.lpszShortNameA )
701 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpPlayerName->u1.lpszShortNameA );
702 dest->lpPlayerName->u1.lpszShortNameA = (LPSTR)lpStartOfFreeSpace;
703 lpStartOfFreeSpace +=
704 strlen( (LPSTR)dest->lpPlayerName->u1.lpszShortNameA ) + 1;
707 if( src->lpPlayerName->u2.lpszLongNameA )
709 strcpy( (LPSTR)lpStartOfFreeSpace, src->lpPlayerName->u2.lpszLongNameA );
710 dest->lpPlayerName->u2.lpszLongNameA = (LPSTR)lpStartOfFreeSpace;
711 lpStartOfFreeSpace +=
712 strlen( (LPSTR)dest->lpPlayerName->u2.lpszLongName ) + 1 ;
717 /* Copy address if it exists */
720 dest->lpAddress = (LPVOID)lpStartOfFreeSpace;
721 CopyMemory( lpStartOfFreeSpace, src->lpAddress, src->dwAddressSize );
722 /* No need to advance lpStartOfFreeSpace as there is no more "dynamic" data */
726 HRESULT DPLAYX_GetConnectionSettingsW
729 LPDWORD lpdwDataSize )
731 LPDPLAYX_LOBBYDATA lpDplData;
732 DWORD dwRequiredDataSize = 0;
733 HANDLE hInformOnSettingRead;
735 DPLAYX_AcquireSemaphore();
737 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
739 DPLAYX_ReleaseSemaphore();
740 return DPERR_NOTLOBBIED;
743 dwRequiredDataSize = DPLAYX_SizeOfLobbyDataW( lpDplData->lpConn );
745 /* Do they want to know the required buffer size or is the provided buffer
748 if ( ( lpData == NULL ) ||
749 ( *lpdwDataSize < dwRequiredDataSize )
752 DPLAYX_ReleaseSemaphore();
754 *lpdwDataSize = DPLAYX_SizeOfLobbyDataW( lpDplData->lpConn );
756 return DPERR_BUFFERTOOSMALL;
759 DPLAYX_CopyConnStructW( (LPDPLCONNECTION)lpData, lpDplData->lpConn );
761 DPLAYX_ReleaseSemaphore();
763 /* They have gotten the information - signal the event if required */
764 if( DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, FALSE ) &&
769 bSuccess = SetEvent( hInformOnSettingRead );
770 TRACE( "Signalling setting read event %p %s\n",
771 hInformOnSettingRead, bSuccess ? "succeed" : "failed" );
773 /* Close out handle */
774 DPLAYX_GetThisLobbyHandles( NULL, NULL, &hInformOnSettingRead, TRUE );
780 /* Assumption: Enough contiguous space was allocated at dest */
781 void DPLAYX_CopyConnStructW( LPDPLCONNECTION dest, LPDPLCONNECTION src )
783 BYTE* lpStartOfFreeSpace;
785 CopyMemory( dest, src, sizeof( DPLCONNECTION ) );
787 lpStartOfFreeSpace = ( (BYTE*)dest) + sizeof( DPLCONNECTION );
789 /* Copy the LPDPSESSIONDESC2 structure if it exists */
790 if( src->lpSessionDesc )
792 dest->lpSessionDesc = (LPDPSESSIONDESC2)lpStartOfFreeSpace;
793 lpStartOfFreeSpace += sizeof( DPSESSIONDESC2 );
794 CopyMemory( dest->lpSessionDesc, src->lpSessionDesc, sizeof( DPSESSIONDESC2 ) );
796 /* Session names may or may not exist */
797 if( src->lpSessionDesc->u1.lpszSessionName )
799 strcpyW( (LPWSTR)lpStartOfFreeSpace, dest->lpSessionDesc->u1.lpszSessionName );
800 src->lpSessionDesc->u1.lpszSessionName = (LPWSTR)lpStartOfFreeSpace;
801 lpStartOfFreeSpace += sizeof(WCHAR) *
802 ( strlenW( (LPWSTR)dest->lpSessionDesc->u1.lpszSessionName ) + 1 );
805 if( src->lpSessionDesc->u2.lpszPassword )
807 strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpSessionDesc->u2.lpszPassword );
808 dest->lpSessionDesc->u2.lpszPassword = (LPWSTR)lpStartOfFreeSpace;
809 lpStartOfFreeSpace += sizeof(WCHAR) *
810 ( strlenW( (LPWSTR)dest->lpSessionDesc->u2.lpszPassword ) + 1 );
814 /* DPNAME structure is optional */
815 if( src->lpPlayerName )
817 dest->lpPlayerName = (LPDPNAME)lpStartOfFreeSpace;
818 lpStartOfFreeSpace += sizeof( DPNAME );
819 CopyMemory( dest->lpPlayerName, src->lpPlayerName, sizeof( DPNAME ) );
821 if( src->lpPlayerName->u1.lpszShortName )
823 strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u1.lpszShortName );
824 dest->lpPlayerName->u1.lpszShortName = (LPWSTR)lpStartOfFreeSpace;
825 lpStartOfFreeSpace += sizeof(WCHAR) *
826 ( strlenW( (LPWSTR)dest->lpPlayerName->u1.lpszShortName ) + 1 );
829 if( src->lpPlayerName->u2.lpszLongName )
831 strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u2.lpszLongName );
832 dest->lpPlayerName->u2.lpszLongName = (LPWSTR)lpStartOfFreeSpace;
833 lpStartOfFreeSpace += sizeof(WCHAR) *
834 ( strlenW( (LPWSTR)dest->lpPlayerName->u2.lpszLongName ) + 1 );
839 /* Copy address if it exists */
842 dest->lpAddress = (LPVOID)lpStartOfFreeSpace;
843 CopyMemory( lpStartOfFreeSpace, src->lpAddress, src->dwAddressSize );
844 /* No need to advance lpStartOfFreeSpace as there is no more "dynamic" data */
849 /* Store the structure into the shared data structre. Ensure that allocs for
850 * variable length strings come from the shared data structure.
851 * FIXME: We need to free information as well
853 HRESULT DPLAYX_SetConnectionSettingsA
856 LPDPLCONNECTION lpConn )
858 LPDPLAYX_LOBBYDATA lpDplData;
860 /* Parameter check */
861 if( dwFlags || !lpConn )
863 ERR("invalid parameters.\n");
864 return DPERR_INVALIDPARAMS;
867 /* Store information */
868 if( lpConn->dwSize != sizeof(DPLCONNECTION) )
870 ERR(": old/new DPLCONNECTION type? Size=%08x\n", lpConn->dwSize );
872 return DPERR_INVALIDPARAMS;
875 DPLAYX_AcquireSemaphore();
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=%u\n", lpConn->lpSessionDesc->dwSize );
892 return DPERR_INVALIDPARAMS;
895 /* Free the existing memory */
896 DPLAYX_PrivHeapFree( lpDplData->lpConn );
898 lpDplData->lpConn = DPLAYX_PrivHeapAlloc( HEAP_ZERO_MEMORY,
899 DPLAYX_SizeOfLobbyDataA( lpConn ) );
901 DPLAYX_CopyConnStructA( lpDplData->lpConn, lpConn );
904 DPLAYX_ReleaseSemaphore();
906 /* FIXME: Send a message - I think */
911 /* Store the structure into the shared data structre. Ensure that allocs for
912 * variable length strings come from the shared data structure.
913 * FIXME: We need to free information as well
915 HRESULT DPLAYX_SetConnectionSettingsW
918 LPDPLCONNECTION lpConn )
920 LPDPLAYX_LOBBYDATA lpDplData;
922 /* Parameter check */
923 if( dwFlags || !lpConn )
925 ERR("invalid parameters.\n");
926 return DPERR_INVALIDPARAMS;
929 /* Store information */
930 if( lpConn->dwSize != sizeof(DPLCONNECTION) )
932 ERR(": old/new DPLCONNECTION type? Size=%u\n", lpConn->dwSize );
934 return DPERR_INVALIDPARAMS;
937 DPLAYX_AcquireSemaphore();
939 if ( ! DPLAYX_IsAppIdLobbied( dwAppID, &lpDplData ) )
941 DPLAYX_ReleaseSemaphore();
943 return DPERR_NOTLOBBIED;
946 /* Free the existing memory */
947 DPLAYX_PrivHeapFree( lpDplData->lpConn );
949 lpDplData->lpConn = DPLAYX_PrivHeapAlloc( HEAP_ZERO_MEMORY,
950 DPLAYX_SizeOfLobbyDataW( lpConn ) );
952 DPLAYX_CopyConnStructW( lpDplData->lpConn, lpConn );
955 DPLAYX_ReleaseSemaphore();
957 /* FIXME: Send a message - I think */
962 DWORD DPLAYX_SizeOfLobbyDataA( LPDPLCONNECTION lpConn )
964 DWORD dwTotalSize = sizeof( DPLCONNECTION );
966 /* Just a safety check */
969 ERR( "lpConn is NULL\n" );
973 if( lpConn->lpSessionDesc != NULL )
975 dwTotalSize += sizeof( DPSESSIONDESC2 );
977 if( lpConn->lpSessionDesc->u1.lpszSessionNameA )
979 dwTotalSize += strlen( lpConn->lpSessionDesc->u1.lpszSessionNameA ) + 1;
982 if( lpConn->lpSessionDesc->u2.lpszPasswordA )
984 dwTotalSize += strlen( lpConn->lpSessionDesc->u2.lpszPasswordA ) + 1;
988 if( lpConn->lpPlayerName != NULL )
990 dwTotalSize += sizeof( DPNAME );
992 if( lpConn->lpPlayerName->u1.lpszShortNameA )
994 dwTotalSize += strlen( lpConn->lpPlayerName->u1.lpszShortNameA ) + 1;
997 if( lpConn->lpPlayerName->u2.lpszLongNameA )
999 dwTotalSize += strlen( lpConn->lpPlayerName->u2.lpszLongNameA ) + 1;
1004 dwTotalSize += lpConn->dwAddressSize;
1009 DWORD DPLAYX_SizeOfLobbyDataW( LPDPLCONNECTION lpConn )
1011 DWORD dwTotalSize = sizeof( DPLCONNECTION );
1013 /* Just a safety check */
1014 if( lpConn == NULL )
1016 ERR( "lpConn is NULL\n" );
1020 if( lpConn->lpSessionDesc != NULL )
1022 dwTotalSize += sizeof( DPSESSIONDESC2 );
1024 if( lpConn->lpSessionDesc->u1.lpszSessionName )
1026 dwTotalSize += sizeof( WCHAR ) *
1027 ( strlenW( lpConn->lpSessionDesc->u1.lpszSessionName ) + 1 );
1030 if( lpConn->lpSessionDesc->u2.lpszPassword )
1032 dwTotalSize += sizeof( WCHAR ) *
1033 ( strlenW( lpConn->lpSessionDesc->u2.lpszPassword ) + 1 );
1037 if( lpConn->lpPlayerName != NULL )
1039 dwTotalSize += sizeof( DPNAME );
1041 if( lpConn->lpPlayerName->u1.lpszShortName )
1043 dwTotalSize += sizeof( WCHAR ) *
1044 ( strlenW( lpConn->lpPlayerName->u1.lpszShortName ) + 1 );
1047 if( lpConn->lpPlayerName->u2.lpszLongName )
1049 dwTotalSize += sizeof( WCHAR ) *
1050 ( strlenW( lpConn->lpPlayerName->u2.lpszLongName ) + 1 );
1055 dwTotalSize += lpConn->dwAddressSize;
1062 static LPDPSESSIONDESC2 DPLAYX_CopyAndAllocateSessionDesc2A( LPCDPSESSIONDESC2 lpSessionSrc )
1064 LPDPSESSIONDESC2 lpSessionDest =
1065 HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *lpSessionSrc ) );
1066 DPLAYX_CopyIntoSessionDesc2A( lpSessionDest, lpSessionSrc );
1068 return lpSessionDest;
1071 /* Copy an ANSI session desc structure to the given buffer */
1072 BOOL DPLAYX_CopyIntoSessionDesc2A( LPDPSESSIONDESC2 lpSessionDest,
1073 LPCDPSESSIONDESC2 lpSessionSrc )
1075 CopyMemory( lpSessionDest, lpSessionSrc, sizeof( *lpSessionSrc ) );
1077 if( lpSessionSrc->u1.lpszSessionNameA )
1079 if ((lpSessionDest->u1.lpszSessionNameA = HeapAlloc( GetProcessHeap(), 0,
1080 strlen(lpSessionSrc->u1.lpszSessionNameA)+1 )))
1081 strcpy( lpSessionDest->u1.lpszSessionNameA, lpSessionSrc->u1.lpszSessionNameA );
1083 if( lpSessionSrc->u2.lpszPasswordA )
1085 if ((lpSessionDest->u2.lpszPasswordA = HeapAlloc( GetProcessHeap(), 0,
1086 strlen(lpSessionSrc->u2.lpszPasswordA)+1 )))
1087 strcpy( lpSessionDest->u2.lpszPasswordA, lpSessionSrc->u2.lpszPasswordA );
1093 /* Start the index at 0. index will be updated to equal that which should
1094 be passed back into this function for the next element */
1095 LPDPSESSIONDESC2 DPLAYX_CopyAndAllocateLocalSession( UINT* index )
1097 for( ; (*index) < numSupportedSessions; (*index)++ )
1099 if( sessionData[(*index)].dwSize != 0 )
1101 return DPLAYX_CopyAndAllocateSessionDesc2A( &sessionData[(*index)++] );
1105 /* No more sessions */
1109 /* Start the index at 0. index will be updated to equal that which should
1110 be passed back into this function for the next element */
1111 BOOL DPLAYX_CopyLocalSession( UINT* index, LPDPSESSIONDESC2 lpsd )
1113 for( ; (*index) < numSupportedSessions; (*index)++ )
1115 if( sessionData[(*index)].dwSize != 0 )
1117 return DPLAYX_CopyIntoSessionDesc2A( lpsd, &sessionData[(*index)++] );
1121 /* No more sessions */
1125 void DPLAYX_SetLocalSession( LPCDPSESSIONDESC2 lpsd )
1129 /* FIXME: Is this an error if it exists already? */
1131 /* Crude/wrong implementation for now. Just always add to first empty spot */
1132 for( i=0; i < numSupportedSessions; i++ )
1134 /* Is this one empty? */
1135 if( sessionData[i].dwSize == 0 )
1137 DPLAYX_CopyIntoSessionDesc2A( &sessionData[i], lpsd );
1144 BOOL DPLAYX_WaitForConnectionSettings( BOOL bWait )
1146 LPDPLAYX_LOBBYDATA lpLobbyData;
1148 DPLAYX_AcquireSemaphore();
1150 if( !DPLAYX_IsAppIdLobbied( 0, &lpLobbyData ) )
1152 DPLAYX_ReleaseSemaphore();
1156 lpLobbyData->bWaitForConnectionSettings = bWait;
1158 DPLAYX_ReleaseSemaphore();
1163 BOOL DPLAYX_AnyLobbiesWaitingForConnSettings(void)
1166 BOOL bFound = FALSE;
1168 DPLAYX_AcquireSemaphore();
1170 for( i=0; i < numSupportedLobbies; i++ )
1172 if( ( lobbyData[ i ].dwAppID != 0 ) && /* lobby initialized */
1173 ( lobbyData[ i ].bWaitForConnectionSettings ) /* Waiting */
1181 DPLAYX_ReleaseSemaphore();
1186 BOOL DPLAYX_SetLobbyMsgThreadId( DWORD dwAppId, DWORD dwThreadId )
1188 LPDPLAYX_LOBBYDATA lpLobbyData;
1190 DPLAYX_AcquireSemaphore();
1192 if( !DPLAYX_IsAppIdLobbied( dwAppId, &lpLobbyData ) )
1194 DPLAYX_ReleaseSemaphore();
1198 lpLobbyData->dwLobbyMsgThreadId = dwThreadId;
1200 DPLAYX_ReleaseSemaphore();
1205 /* NOTE: This is potentially not thread safe. You are not guaranteed to end up
1206 with the correct string printed in the case where the HRESULT is not
1207 known. You will just get the last hr passed in. This can change
1208 over time if this method is used a lot :) */
1209 LPCSTR DPLAYX_HresultToString(HRESULT hr)
1211 static char szTempStr[12];
1217 case DPERR_ALREADYINITIALIZED:
1218 return "DPERR_ALREADYINITIALIZED";
1219 case DPERR_ACCESSDENIED:
1220 return "DPERR_ACCESSDENIED";
1221 case DPERR_ACTIVEPLAYERS:
1222 return "DPERR_ACTIVEPLAYERS";
1223 case DPERR_BUFFERTOOSMALL:
1224 return "DPERR_BUFFERTOOSMALL";
1225 case DPERR_CANTADDPLAYER:
1226 return "DPERR_CANTADDPLAYER";
1227 case DPERR_CANTCREATEGROUP:
1228 return "DPERR_CANTCREATEGROUP";
1229 case DPERR_CANTCREATEPLAYER:
1230 return "DPERR_CANTCREATEPLAYER";
1231 case DPERR_CANTCREATESESSION:
1232 return "DPERR_CANTCREATESESSION";
1233 case DPERR_CAPSNOTAVAILABLEYET:
1234 return "DPERR_CAPSNOTAVAILABLEYET";
1235 case DPERR_EXCEPTION:
1236 return "DPERR_EXCEPTION";
1238 return "DPERR_GENERIC";
1239 case DPERR_INVALIDFLAGS:
1240 return "DPERR_INVALIDFLAGS";
1241 case DPERR_INVALIDOBJECT:
1242 return "DPERR_INVALIDOBJECT";
1243 case DPERR_INVALIDPARAMS:
1244 return "DPERR_INVALIDPARAMS";
1245 case DPERR_INVALIDPLAYER:
1246 return "DPERR_INVALIDPLAYER";
1247 case DPERR_INVALIDGROUP:
1248 return "DPERR_INVALIDGROUP";
1250 return "DPERR_NOCAPS";
1251 case DPERR_NOCONNECTION:
1252 return "DPERR_NOCONNECTION";
1253 case DPERR_OUTOFMEMORY:
1254 return "DPERR_OUTOFMEMORY";
1255 case DPERR_NOMESSAGES:
1256 return "DPERR_NOMESSAGES";
1257 case DPERR_NONAMESERVERFOUND:
1258 return "DPERR_NONAMESERVERFOUND";
1259 case DPERR_NOPLAYERS:
1260 return "DPERR_NOPLAYERS";
1261 case DPERR_NOSESSIONS:
1262 return "DPERR_NOSESSIONS";
1264 return "DPERR_PENDING";
1265 case DPERR_SENDTOOBIG:
1266 return "DPERR_SENDTOOBIG";
1268 return "DPERR_TIMEOUT";
1269 case DPERR_UNAVAILABLE:
1270 return "DPERR_UNAVAILABLE";
1271 case DPERR_UNSUPPORTED:
1272 return "DPERR_UNSUPPORTED";
1274 return "DPERR_BUSY";
1275 case DPERR_USERCANCEL:
1276 return "DPERR_USERCANCEL";
1277 case DPERR_NOINTERFACE:
1278 return "DPERR_NOINTERFACE";
1279 case DPERR_CANNOTCREATESERVER:
1280 return "DPERR_CANNOTCREATESERVER";
1281 case DPERR_PLAYERLOST:
1282 return "DPERR_PLAYERLOST";
1283 case DPERR_SESSIONLOST:
1284 return "DPERR_SESSIONLOST";
1285 case DPERR_UNINITIALIZED:
1286 return "DPERR_UNINITIALIZED";
1287 case DPERR_NONEWPLAYERS:
1288 return "DPERR_NONEWPLAYERS";
1289 case DPERR_INVALIDPASSWORD:
1290 return "DPERR_INVALIDPASSWORD";
1291 case DPERR_CONNECTING:
1292 return "DPERR_CONNECTING";
1293 case DPERR_CONNECTIONLOST:
1294 return "DPERR_CONNECTIONLOST";
1295 case DPERR_UNKNOWNMESSAGE:
1296 return "DPERR_UNKNOWNMESSAGE";
1297 case DPERR_CANCELFAILED:
1298 return "DPERR_CANCELFAILED";
1299 case DPERR_INVALIDPRIORITY:
1300 return "DPERR_INVALIDPRIORITY";
1301 case DPERR_NOTHANDLED:
1302 return "DPERR_NOTHANDLED";
1303 case DPERR_CANCELLED:
1304 return "DPERR_CANCELLED";
1306 return "DPERR_ABORTED";
1307 case DPERR_BUFFERTOOLARGE:
1308 return "DPERR_BUFFERTOOLARGE";
1309 case DPERR_CANTCREATEPROCESS:
1310 return "DPERR_CANTCREATEPROCESS";
1311 case DPERR_APPNOTSTARTED:
1312 return "DPERR_APPNOTSTARTED";
1313 case DPERR_INVALIDINTERFACE:
1314 return "DPERR_INVALIDINTERFACE";
1315 case DPERR_NOSERVICEPROVIDER:
1316 return "DPERR_NOSERVICEPROVIDER";
1317 case DPERR_UNKNOWNAPPLICATION:
1318 return "DPERR_UNKNOWNAPPLICATION";
1319 case DPERR_NOTLOBBIED:
1320 return "DPERR_NOTLOBBIED";
1321 case DPERR_SERVICEPROVIDERLOADED:
1322 return "DPERR_SERVICEPROVIDERLOADED";
1323 case DPERR_ALREADYREGISTERED:
1324 return "DPERR_ALREADYREGISTERED";
1325 case DPERR_NOTREGISTERED:
1326 return "DPERR_NOTREGISTERED";
1327 case DPERR_AUTHENTICATIONFAILED:
1328 return "DPERR_AUTHENTICATIONFAILED";
1329 case DPERR_CANTLOADSSPI:
1330 return "DPERR_CANTLOADSSPI";
1331 case DPERR_ENCRYPTIONFAILED:
1332 return "DPERR_ENCRYPTIONFAILED";
1333 case DPERR_SIGNFAILED:
1334 return "DPERR_SIGNFAILED";
1335 case DPERR_CANTLOADSECURITYPACKAGE:
1336 return "DPERR_CANTLOADSECURITYPACKAGE";
1337 case DPERR_ENCRYPTIONNOTSUPPORTED:
1338 return "DPERR_ENCRYPTIONNOTSUPPORTED";
1339 case DPERR_CANTLOADCAPI:
1340 return "DPERR_CANTLOADCAPI";
1341 case DPERR_NOTLOGGEDIN:
1342 return "DPERR_NOTLOGGEDIN";
1343 case DPERR_LOGONDENIED:
1344 return "DPERR_LOGONDENIED";
1346 /* For errors not in the list, return HRESULT as a string
1347 This part is not thread safe */
1348 WARN( "Unknown error 0x%08x\n", hr );
1349 wsprintfA( szTempStr, "0x%08lx", hr );