dlls/dplayx/lobbysp.c

   1 /* This contains the implementation of the Lobby Service
   2  * Providers interface required to communicate with Direct Play
   3  *
   4  * Copyright 2001 Peter Hunnisett
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 #include "winerror.h"
  22 #include "wine/debug.h"
  23
  24 #include "lobbysp.h"
  25 #include "dplay_global.h"
  26 #include "dpinit.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(dplay);
  29
  30 /* Prototypes */
  31 static BOOL DPLSP_CreateIUnknown( LPVOID lpSP );
  32 static BOOL DPLSP_DestroyIUnknown( LPVOID lpSP );
  33 static BOOL DPLSP_CreateDPLobbySP( LPVOID lpSP, IDirectPlay2Impl* dp );
  34 static BOOL DPLSP_DestroyDPLobbySP( LPVOID lpSP );
  35
  36
  37 /* Predefine the interface */
  38 typedef struct IDPLobbySPImpl IDPLobbySPImpl;
  39
  40 typedef struct tagDPLobbySPIUnknownData
  41 {
  42   LONG              ulObjRef;
  43   CRITICAL_SECTION  DPLSP_lock;
  44 } DPLobbySPIUnknownData;
  45
  46 typedef struct tagDPLobbySPData
  47 {
  48   IDirectPlay2Impl* dplay;
  49 } DPLobbySPData;
  50
  51 #define DPLSP_IMPL_FIELDS \
  52    LONG ulInterfaceRef; \
  53    DPLobbySPIUnknownData* unk; \
  54    DPLobbySPData* sp;
  55
  56 struct IDPLobbySPImpl
  57 {
  58   const IDPLobbySPVtbl *lpVtbl;
  59   DPLSP_IMPL_FIELDS
  60 };
  61
  62 /* Forward declaration of virtual tables */
  63 static const IDPLobbySPVtbl dpLobbySPVT;
  64
  65 HRESULT DPLSP_CreateInterface( REFIID riid, LPVOID* ppvObj, IDirectPlay2Impl* dp )
  66 {
  67   TRACE( " for %s\n", debugstr_guid( riid ) );
  68
  69   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  70                        sizeof( IDPLobbySPImpl ) );
  71
  72   if( *ppvObj == NULL )
  73   {
  74     return DPERR_OUTOFMEMORY;
  75   }
  76
  77   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
  78   {
  79     IDPLobbySPImpl *This = *ppvObj;
  80     This->lpVtbl = &dpLobbySPVT;
  81   }
  82   else
  83   {
  84     /* Unsupported interface */
  85     HeapFree( GetProcessHeap(), 0, *ppvObj );
  86     *ppvObj = NULL;
  87
  88     return E_NOINTERFACE;
  89   }
  90
  91   /* Initialize it */
  92   if( DPLSP_CreateIUnknown( *ppvObj ) &&
  93       DPLSP_CreateDPLobbySP( *ppvObj, dp )
  94     )
  95   {
  96     IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
  97     return S_OK;
  98   }
  99
 100   /* Initialize failed, destroy it */
 101   DPLSP_DestroyDPLobbySP( *ppvObj );
 102   DPLSP_DestroyIUnknown( *ppvObj );
 103
 104   HeapFree( GetProcessHeap(), 0, *ppvObj );
 105   *ppvObj = NULL;
 106
 107   return DPERR_NOMEMORY;
 108 }
 109
 110 static BOOL DPLSP_CreateIUnknown( LPVOID lpSP )
 111 {
 112   IDPLobbySPImpl *This = lpSP;
 113
 114   This->unk = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *(This->unk) ) );
 115
 116   if ( This->unk == NULL )
 117   {
 118     return FALSE;
 119   }
 120
 121   InitializeCriticalSection( &This->unk->DPLSP_lock );
 122   This->unk->DPLSP_lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDPLobbySPImpl*->DPLobbySPIUnknownData*->DPLSP_lock");
 123
 124   return TRUE;
 125 }
 126
 127 static BOOL DPLSP_DestroyIUnknown( LPVOID lpSP )
 128 {
 129   IDPLobbySPImpl *This = lpSP;
 130
 131   This->unk->DPLSP_lock.DebugInfo->Spare[0] = 0;
 132   DeleteCriticalSection( &This->unk->DPLSP_lock );
 133   HeapFree( GetProcessHeap(), 0, This->unk );
 134
 135   return TRUE;
 136 }
 137
 138 static BOOL DPLSP_CreateDPLobbySP( LPVOID lpSP, IDirectPlay2Impl* dp )
 139 {
 140   IDPLobbySPImpl *This = lpSP;
 141
 142   This->sp = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *(This->sp) ) );
 143
 144   if ( This->sp == NULL )
 145   {
 146     return FALSE;
 147   }
 148
 149   This->sp->dplay = dp;
 150
 151   /* Normally we should be keeping a reference, but since only the dplay
 152    * interface that created us can destroy us, we do not keep a reference
 153    * to it (ie we'd be stuck with always having one reference to the dplay
 154    * object, and hence us, around).
 155    * NOTE: The dp object does reference count us.
 156    *
 157    * FIXME: This is a kludge to get around a problem where a queryinterface
 158    *        is used to get a new interface and then is closed. We will then
 159    *        reference garbage. However, with this we will never deallocate
 160    *        the interface we store. The correct fix is to require all
 161    *        DP internal interfaces to use the This->dp2 interface which
 162    *        should be changed to This->dp
 163    */
 164   IDirectPlayX_AddRef( (LPDIRECTPLAY2)dp );
 165
 166
 167   return TRUE;
 168 }
 169
 170 static BOOL DPLSP_DestroyDPLobbySP( LPVOID lpSP )
 171 {
 172   IDPLobbySPImpl *This = lpSP;
 173
 174   HeapFree( GetProcessHeap(), 0, This->sp );
 175
 176   return TRUE;
 177 }
 178
 179 static
 180 HRESULT WINAPI DPLSP_QueryInterface
 181 ( LPDPLOBBYSP iface,
 182   REFIID riid,
 183   LPVOID* ppvObj
 184 )
 185 {
 186   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 187   TRACE("(%p)->(%s,%p)\n", This, debugstr_guid( riid ), ppvObj );
 188
 189   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 190                        sizeof( *This ) );
 191
 192   if( *ppvObj == NULL )
 193   {
 194     return DPERR_OUTOFMEMORY;
 195   }
 196
 197   CopyMemory( *ppvObj, This, sizeof( *This )  );
 198   (*(IDPLobbySPImpl**)ppvObj)->ulInterfaceRef = 0;
 199
 200   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
 201   {
 202     IDPLobbySPImpl *This = *ppvObj;
 203     This->lpVtbl = &dpLobbySPVT;
 204   }
 205   else
 206   {
 207     /* Unsupported interface */
 208     HeapFree( GetProcessHeap(), 0, *ppvObj );
 209     *ppvObj = NULL;
 210
 211     return E_NOINTERFACE;
 212   }
 213
 214   IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
 215
 216   return S_OK;
 217 }
 218
 219 static
 220 ULONG WINAPI DPLSP_AddRef
 221 ( LPDPLOBBYSP iface )
 222 {
 223   ULONG ulInterfaceRefCount, ulObjRefCount;
 224   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 225
 226   ulObjRefCount       = InterlockedIncrement( &This->unk->ulObjRef );
 227   ulInterfaceRefCount = InterlockedIncrement( &This->ulInterfaceRef );
 228
 229   TRACE( "ref count incremented to %u:%u for %p\n",
 230          ulInterfaceRefCount, ulObjRefCount, This );
 231
 232   return ulObjRefCount;
 233 }
 234
 235 static
 236 ULONG WINAPI DPLSP_Release
 237 ( LPDPLOBBYSP iface )
 238 {
 239   ULONG ulInterfaceRefCount, ulObjRefCount;
 240   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 241
 242   ulObjRefCount       = InterlockedDecrement( &This->unk->ulObjRef );
 243   ulInterfaceRefCount = InterlockedDecrement( &This->ulInterfaceRef );
 244
 245   TRACE( "ref count decremented to %u:%u for %p\n",
 246          ulInterfaceRefCount, ulObjRefCount, This );
 247
 248   /* Deallocate if this is the last reference to the object */
 249   if( ulObjRefCount == 0 )
 250   {
 251      DPLSP_DestroyDPLobbySP( This );
 252      DPLSP_DestroyIUnknown( This );
 253   }
 254
 255   if( ulInterfaceRefCount == 0 )
 256   {
 257     HeapFree( GetProcessHeap(), 0, This );
 258   }
 259
 260   return ulInterfaceRefCount;
 261 }
 262
 263 static
 264 HRESULT WINAPI IDPLobbySPImpl_AddGroupToGroup
 265 ( LPDPLOBBYSP iface,
 266   LPSPDATA_ADDREMOTEGROUPTOGROUP argtg
 267 )
 268 {
 269   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 270   FIXME( "(%p)->(%p):stub\n", This, argtg );
 271   return DP_OK;
 272 }
 273
 274 static
 275 HRESULT WINAPI IDPLobbySPImpl_AddPlayerToGroup
 276 ( LPDPLOBBYSP iface,
 277   LPSPDATA_ADDREMOTEPLAYERTOGROUP arptg
 278 )
 279 {
 280   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 281   FIXME( "(%p)->(%p):stub\n", This, arptg );
 282   return DP_OK;
 283 }
 284
 285 static
 286 HRESULT WINAPI IDPLobbySPImpl_CreateGroup
 287 ( LPDPLOBBYSP iface,
 288   LPSPDATA_CREATEREMOTEGROUP crg
 289 )
 290 {
 291   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 292   FIXME( "(%p)->(%p):stub\n", This, crg );
 293   return DP_OK;
 294 }
 295
 296 static
 297 HRESULT WINAPI IDPLobbySPImpl_CreateGroupInGroup
 298 ( LPDPLOBBYSP iface,
 299   LPSPDATA_CREATEREMOTEGROUPINGROUP crgig
 300 )
 301 {
 302   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 303   FIXME( "(%p)->(%p):stub\n", This, crgig );
 304   return DP_OK;
 305 }
 306
 307 static
 308 HRESULT WINAPI IDPLobbySPImpl_DeleteGroupFromGroup
 309 ( LPDPLOBBYSP iface,
 310   LPSPDATA_DELETEREMOTEGROUPFROMGROUP drgfg
 311 )
 312 {
 313   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 314   FIXME( "(%p)->(%p):stub\n", This, drgfg );
 315   return DP_OK;
 316 }
 317
 318 static
 319 HRESULT WINAPI IDPLobbySPImpl_DeletePlayerFromGroup
 320 ( LPDPLOBBYSP iface,
 321   LPSPDATA_DELETEREMOTEPLAYERFROMGROUP drpfg
 322 )
 323 {
 324   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 325   FIXME( "(%p)->(%p):stub\n", This, drpfg );
 326   return DP_OK;
 327 }
 328
 329 static
 330 HRESULT WINAPI IDPLobbySPImpl_DestroyGroup
 331 ( LPDPLOBBYSP iface,
 332   LPSPDATA_DESTROYREMOTEGROUP drg
 333 )
 334 {
 335   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 336   FIXME( "(%p)->(%p):stub\n", This, drg );
 337   return DP_OK;
 338 }
 339
 340 static
 341 HRESULT WINAPI IDPLobbySPImpl_EnumSessionsResponse
 342 ( LPDPLOBBYSP iface,
 343   LPSPDATA_ENUMSESSIONSRESPONSE er
 344 )
 345 {
 346   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 347   FIXME( "(%p)->(%p):stub\n", This, er );
 348   return DP_OK;
 349 }
 350
 351 static
 352 HRESULT WINAPI IDPLobbySPImpl_GetSPDataPointer
 353 ( LPDPLOBBYSP iface,
 354   LPVOID* lplpData
 355 )
 356 {
 357   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 358   FIXME( "(%p)->(%p):stub\n", This, lplpData );
 359   return DP_OK;
 360 }
 361
 362 static
 363 HRESULT WINAPI IDPLobbySPImpl_HandleMessage
 364 ( LPDPLOBBYSP iface,
 365   LPSPDATA_HANDLEMESSAGE hm
 366 )
 367 {
 368   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 369   FIXME( "(%p)->(%p):stub\n", This, hm );
 370   return DP_OK;
 371 }
 372
 373 static
 374 HRESULT WINAPI IDPLobbySPImpl_SendChatMessage
 375 ( LPDPLOBBYSP iface,
 376   LPSPDATA_CHATMESSAGE cm
 377 )
 378 {
 379   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 380   FIXME( "(%p)->(%p):stub\n", This, cm );
 381   return DP_OK;
 382 }
 383
 384 static
 385 HRESULT WINAPI IDPLobbySPImpl_SetGroupName
 386 ( LPDPLOBBYSP iface,
 387   LPSPDATA_SETREMOTEGROUPNAME srgn
 388 )
 389 {
 390   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 391   FIXME( "(%p)->(%p):stub\n", This, srgn );
 392   return DP_OK;
 393 }
 394
 395 static
 396 HRESULT WINAPI IDPLobbySPImpl_SetPlayerName
 397 ( LPDPLOBBYSP iface,
 398   LPSPDATA_SETREMOTEPLAYERNAME srpn
 399 )
 400 {
 401   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 402   FIXME( "(%p)->(%p):stub\n", This, srpn );
 403   return DP_OK;
 404 }
 405
 406 static
 407 HRESULT WINAPI IDPLobbySPImpl_SetSessionDesc
 408 ( LPDPLOBBYSP iface,
 409   LPSPDATA_SETSESSIONDESC ssd
 410 )
 411 {
 412   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 413   FIXME( "(%p)->(%p):stub\n", This, ssd );
 414   return DP_OK;
 415 }
 416
 417 static
 418 HRESULT WINAPI IDPLobbySPImpl_SetSPDataPointer
 419 ( LPDPLOBBYSP iface,
 420   LPVOID lpData
 421 )
 422 {
 423   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 424   FIXME( "(%p)->(%p):stub\n", This, lpData );
 425   return DP_OK;
 426 }
 427
 428 static
 429 HRESULT WINAPI IDPLobbySPImpl_StartSession
 430 ( LPDPLOBBYSP iface,
 431   LPSPDATA_STARTSESSIONCOMMAND ssc
 432 )
 433 {
 434   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 435   FIXME( "(%p)->(%p):stub\n", This, ssc );
 436   return DP_OK;
 437 }
 438
 439
 440 static const IDPLobbySPVtbl dpLobbySPVT =
 441 {
 442
 443   DPLSP_QueryInterface,
 444   DPLSP_AddRef,
 445   DPLSP_Release,
 446
 447   IDPLobbySPImpl_AddGroupToGroup,
 448   IDPLobbySPImpl_AddPlayerToGroup,
 449   IDPLobbySPImpl_CreateGroup,
 450   IDPLobbySPImpl_CreateGroupInGroup,
 451   IDPLobbySPImpl_DeleteGroupFromGroup,
 452   IDPLobbySPImpl_DeletePlayerFromGroup,
 453   IDPLobbySPImpl_DestroyGroup,
 454   IDPLobbySPImpl_EnumSessionsResponse,
 455   IDPLobbySPImpl_GetSPDataPointer,
 456   IDPLobbySPImpl_HandleMessage,
 457   IDPLobbySPImpl_SendChatMessage,
 458   IDPLobbySPImpl_SetGroupName,
 459   IDPLobbySPImpl_SetPlayerName,
 460   IDPLobbySPImpl_SetSessionDesc,
 461   IDPLobbySPImpl_SetSPDataPointer,
 462   IDPLobbySPImpl_StartSession
 463
 464 };