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