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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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   ULONG             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    ULONG ulInterfaceRef; \
  53    DPLobbySPIUnknownData* unk; \
  54    DPLobbySPData* sp;
  55
  56 struct IDPLobbySPImpl
  57 {
  58   IDPLobbySPVtbl *lpVtbl;
  59   DPLSP_IMPL_FIELDS
  60 };
  61
  62 /* Forward declaration of virtual tables */
  63 static IDPLobbySPVtbl dpLobbySPVT;
  64
  65 extern
  66 HRESULT DPLSP_CreateInterface( REFIID riid, LPVOID* ppvObj, IDirectPlay2Impl* dp )
  67 {
  68   TRACE( " for %s\n", debugstr_guid( riid ) );
  69
  70   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  71                        sizeof( IDPLobbySPImpl ) );
  72
  73   if( *ppvObj == NULL )
  74   {
  75     return DPERR_OUTOFMEMORY;
  76   }
  77
  78   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
  79   {
  80     IDPLobbySPImpl *This = (IDPLobbySPImpl *)*ppvObj;
  81     This->lpVtbl = &dpLobbySPVT;
  82   }
  83   else
  84   {
  85     /* Unsupported interface */
  86     HeapFree( GetProcessHeap(), 0, *ppvObj );
  87     *ppvObj = NULL;
  88
  89     return E_NOINTERFACE;
  90   }
  91
  92   /* Initialize it */
  93   if( DPLSP_CreateIUnknown( *ppvObj ) &&
  94       DPLSP_CreateDPLobbySP( *ppvObj, dp )
  95     )
  96   {
  97     IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
  98     return S_OK;
  99   }
 100
 101   /* Initialize failed, destroy it */
 102   DPLSP_DestroyDPLobbySP( *ppvObj );
 103   DPLSP_DestroyIUnknown( *ppvObj );
 104
 105   HeapFree( GetProcessHeap(), 0, *ppvObj );
 106   *ppvObj = NULL;
 107
 108   return DPERR_NOMEMORY;
 109 }
 110
 111 static BOOL DPLSP_CreateIUnknown( LPVOID lpSP )
 112 {
 113   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 114
 115   This->unk = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *(This->unk) ) );
 116
 117   if ( This->unk == NULL )
 118   {
 119     return FALSE;
 120   }
 121
 122   InitializeCriticalSection( &This->unk->DPLSP_lock );
 123
 124   return TRUE;
 125 }
 126
 127 static BOOL DPLSP_DestroyIUnknown( LPVOID lpSP )
 128 {
 129   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 130
 131   DeleteCriticalSection( &This->unk->DPLSP_lock );
 132   HeapFree( GetProcessHeap(), 0, This->unk );
 133
 134   return TRUE;
 135 }
 136
 137 static BOOL DPLSP_CreateDPLobbySP( LPVOID lpSP, IDirectPlay2Impl* dp )
 138 {
 139   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 140
 141   This->sp = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *(This->sp) ) );
 142
 143   if ( This->sp == NULL )
 144   {
 145     return FALSE;
 146   }
 147
 148   This->sp->dplay = dp;
 149
 150   /* Normally we should be keeping a reference, but since only the dplay
 151    * interface that created us can destroy us, we do not keep a reference
 152    * to it (ie we'd be stuck with always having one reference to the dplay
 153    * object, and hence us, around).
 154    * NOTE: The dp object does reference count us.
 155    *
 156    * FIXME: This is a kludge to get around a problem where a queryinterface
 157    *        is used to get a new interface and then is closed. We will then
 158    *        reference garbage. However, with this we will never deallocate
 159    *        the interface we store. The correct fix is to require all
 160    *        DP internal interfaces to use the This->dp2 interface which
 161    *        should be changed to This->dp
 162    */
 163   IDirectPlayX_AddRef( (LPDIRECTPLAY2)dp );
 164
 165
 166   return TRUE;
 167 }
 168
 169 static BOOL DPLSP_DestroyDPLobbySP( LPVOID lpSP )
 170 {
 171   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 172
 173   HeapFree( GetProcessHeap(), 0, This->sp );
 174
 175   return TRUE;
 176 }
 177
 178 static
 179 HRESULT WINAPI DPLSP_QueryInterface
 180 ( LPDPLOBBYSP iface,
 181   REFIID riid,
 182   LPVOID* ppvObj
 183 )
 184 {
 185   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 186   TRACE("(%p)->(%s,%p)\n", This, debugstr_guid( riid ), ppvObj );
 187
 188   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 189                        sizeof( *This ) );
 190
 191   if( *ppvObj == NULL )
 192   {
 193     return DPERR_OUTOFMEMORY;
 194   }
 195
 196   CopyMemory( *ppvObj, This, sizeof( *This )  );
 197   (*(IDPLobbySPImpl**)ppvObj)->ulInterfaceRef = 0;
 198
 199   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
 200   {
 201     IDPLobbySPImpl *This = (IDPLobbySPImpl *)*ppvObj;
 202     This->lpVtbl = &dpLobbySPVT;
 203   }
 204   else
 205   {
 206     /* Unsupported interface */
 207     HeapFree( GetProcessHeap(), 0, *ppvObj );
 208     *ppvObj = NULL;
 209
 210     return E_NOINTERFACE;
 211   }
 212
 213   IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
 214
 215   return S_OK;
 216 }
 217
 218 static
 219 ULONG WINAPI DPLSP_AddRef
 220 ( LPDPLOBBYSP iface )
 221 {
 222   ULONG ulInterfaceRefCount, ulObjRefCount;
 223   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 224
 225   ulObjRefCount       = InterlockedIncrement( &This->unk->ulObjRef );
 226   ulInterfaceRefCount = InterlockedIncrement( &This->ulInterfaceRef );
 227
 228   TRACE( "ref count incremented to %lu:%lu for %p\n",
 229          ulInterfaceRefCount, ulObjRefCount, This );
 230
 231   return ulObjRefCount;
 232 }
 233
 234 static
 235 ULONG WINAPI DPLSP_Release
 236 ( LPDPLOBBYSP iface )
 237 {
 238   ULONG ulInterfaceRefCount, ulObjRefCount;
 239   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 240
 241   ulObjRefCount       = InterlockedDecrement( &This->unk->ulObjRef );
 242   ulInterfaceRefCount = InterlockedDecrement( &This->ulInterfaceRef );
 243
 244   TRACE( "ref count decremented to %lu:%lu for %p\n",
 245          ulInterfaceRefCount, ulObjRefCount, This );
 246
 247   /* Deallocate if this is the last reference to the object */
 248   if( ulObjRefCount == 0 )
 249   {
 250      DPLSP_DestroyDPLobbySP( This );
 251      DPLSP_DestroyIUnknown( This );
 252   }
 253
 254   if( ulInterfaceRefCount == 0 )
 255   {
 256     HeapFree( GetProcessHeap(), 0, This );
 257   }
 258
 259   return ulInterfaceRefCount;
 260 }
 261
 262 static
 263 HRESULT WINAPI IDPLobbySPImpl_AddGroupToGroup
 264 ( LPDPLOBBYSP iface,
 265   LPSPDATA_ADDREMOTEGROUPTOGROUP argtg
 266 )
 267 {
 268   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 269   FIXME( "(%p)->(%p):stub\n", This, argtg );
 270   return DP_OK;
 271 }
 272
 273 static
 274 HRESULT WINAPI IDPLobbySPImpl_AddPlayerToGroup
 275 ( LPDPLOBBYSP iface,
 276   LPSPDATA_ADDREMOTEPLAYERTOGROUP arptg
 277 )
 278 {
 279   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 280   FIXME( "(%p)->(%p):stub\n", This, arptg );
 281   return DP_OK;
 282 }
 283
 284 static
 285 HRESULT WINAPI IDPLobbySPImpl_CreateGroup
 286 ( LPDPLOBBYSP iface,
 287   LPSPDATA_CREATEREMOTEGROUP crg
 288 )
 289 {
 290   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 291   FIXME( "(%p)->(%p):stub\n", This, crg );
 292   return DP_OK;
 293 }
 294
 295 static
 296 HRESULT WINAPI IDPLobbySPImpl_CreateGroupInGroup
 297 ( LPDPLOBBYSP iface,
 298   LPSPDATA_CREATEREMOTEGROUPINGROUP crgig
 299 )
 300 {
 301   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 302   FIXME( "(%p)->(%p):stub\n", This, crgig );
 303   return DP_OK;
 304 }
 305
 306 static
 307 HRESULT WINAPI IDPLobbySPImpl_DeleteGroupFromGroup
 308 ( LPDPLOBBYSP iface,
 309   LPSPDATA_DELETEREMOTEGROUPFROMGROUP drgfg
 310 )
 311 {
 312   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 313   FIXME( "(%p)->(%p):stub\n", This, drgfg );
 314   return DP_OK;
 315 }
 316
 317 static
 318 HRESULT WINAPI IDPLobbySPImpl_DeletePlayerFromGroup
 319 ( LPDPLOBBYSP iface,
 320   LPSPDATA_DELETEREMOTEPLAYERFROMGROUP drpfg
 321 )
 322 {
 323   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 324   FIXME( "(%p)->(%p):stub\n", This, drpfg );
 325   return DP_OK;
 326 }
 327
 328 static
 329 HRESULT WINAPI IDPLobbySPImpl_DestroyGroup
 330 ( LPDPLOBBYSP iface,
 331   LPSPDATA_DESTROYREMOTEGROUP drg
 332 )
 333 {
 334   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 335   FIXME( "(%p)->(%p):stub\n", This, drg );
 336   return DP_OK;
 337 }
 338
 339 static
 340 HRESULT WINAPI IDPLobbySPImpl_EnumSessionsResponse
 341 ( LPDPLOBBYSP iface,
 342   LPSPDATA_ENUMSESSIONSRESPONSE er
 343 )
 344 {
 345   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 346   FIXME( "(%p)->(%p):stub\n", This, er );
 347   return DP_OK;
 348 }
 349
 350 static
 351 HRESULT WINAPI IDPLobbySPImpl_GetSPDataPointer
 352 ( LPDPLOBBYSP iface,
 353   LPVOID* lplpData
 354 )
 355 {
 356   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 357   FIXME( "(%p)->(%p):stub\n", This, lplpData );
 358   return DP_OK;
 359 }
 360
 361 static
 362 HRESULT WINAPI IDPLobbySPImpl_HandleMessage
 363 ( LPDPLOBBYSP iface,
 364   LPSPDATA_HANDLEMESSAGE hm
 365 )
 366 {
 367   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 368   FIXME( "(%p)->(%p):stub\n", This, hm );
 369   return DP_OK;
 370 }
 371
 372 static
 373 HRESULT WINAPI IDPLobbySPImpl_SendChatMessage
 374 ( LPDPLOBBYSP iface,
 375   LPSPDATA_CHATMESSAGE cm
 376 )
 377 {
 378   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 379   FIXME( "(%p)->(%p):stub\n", This, cm );
 380   return DP_OK;
 381 }
 382
 383 static
 384 HRESULT WINAPI IDPLobbySPImpl_SetGroupName
 385 ( LPDPLOBBYSP iface,
 386   LPSPDATA_SETREMOTEGROUPNAME srgn
 387 )
 388 {
 389   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 390   FIXME( "(%p)->(%p):stub\n", This, srgn );
 391   return DP_OK;
 392 }
 393
 394 static
 395 HRESULT WINAPI IDPLobbySPImpl_SetPlayerName
 396 ( LPDPLOBBYSP iface,
 397   LPSPDATA_SETREMOTEPLAYERNAME srpn
 398 )
 399 {
 400   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 401   FIXME( "(%p)->(%p):stub\n", This, srpn );
 402   return DP_OK;
 403 }
 404
 405 static
 406 HRESULT WINAPI IDPLobbySPImpl_SetSessionDesc
 407 ( LPDPLOBBYSP iface,
 408   LPSPDATA_SETSESSIONDESC ssd
 409 )
 410 {
 411   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 412   FIXME( "(%p)->(%p):stub\n", This, ssd );
 413   return DP_OK;
 414 }
 415
 416 static
 417 HRESULT WINAPI IDPLobbySPImpl_SetSPDataPointer
 418 ( LPDPLOBBYSP iface,
 419   LPVOID lpData
 420 )
 421 {
 422   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 423   FIXME( "(%p)->(%p):stub\n", This, lpData );
 424   return DP_OK;
 425 }
 426
 427 static
 428 HRESULT WINAPI IDPLobbySPImpl_StartSession
 429 ( LPDPLOBBYSP iface,
 430   LPSPDATA_STARTSESSIONCOMMAND ssc
 431 )
 432 {
 433   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 434   FIXME( "(%p)->(%p):stub\n", This, ssc );
 435   return DP_OK;
 436 }
 437
 438
 439 static struct IDPLobbySPVtbl dpLobbySPVT =
 440 {
 441
 442   DPLSP_QueryInterface,
 443   DPLSP_AddRef,
 444   DPLSP_Release,
 445
 446   IDPLobbySPImpl_AddGroupToGroup,
 447   IDPLobbySPImpl_AddPlayerToGroup,
 448   IDPLobbySPImpl_CreateGroup,
 449   IDPLobbySPImpl_CreateGroupInGroup,
 450   IDPLobbySPImpl_DeleteGroupFromGroup,
 451   IDPLobbySPImpl_DeletePlayerFromGroup,
 452   IDPLobbySPImpl_DestroyGroup,
 453   IDPLobbySPImpl_EnumSessionsResponse,
 454   IDPLobbySPImpl_GetSPDataPointer,
 455   IDPLobbySPImpl_HandleMessage,
 456   IDPLobbySPImpl_SendChatMessage,
 457   IDPLobbySPImpl_SetGroupName,
 458   IDPLobbySPImpl_SetPlayerName,
 459   IDPLobbySPImpl_SetSessionDesc,
 460   IDPLobbySPImpl_SetSPDataPointer,
 461   IDPLobbySPImpl_StartSession
 462
 463 };