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 = (DPLobbySPIUnknownData*)HeapAlloc( GetProcessHeap(),
 116                                                     HEAP_ZERO_MEMORY,
 117                                                     sizeof( *(This->unk) ) );
 118
 119   if ( This->unk == NULL )
 120   {
 121     return FALSE;
 122   }
 123
 124   InitializeCriticalSection( &This->unk->DPLSP_lock );
 125
 126   return TRUE;
 127 }
 128
 129 static BOOL DPLSP_DestroyIUnknown( LPVOID lpSP )
 130 {
 131   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 132
 133   DeleteCriticalSection( &This->unk->DPLSP_lock );
 134   HeapFree( GetProcessHeap(), 0, This->unk );
 135
 136   return TRUE;
 137 }
 138
 139 static BOOL DPLSP_CreateDPLobbySP( LPVOID lpSP, IDirectPlay2Impl* dp )
 140 {
 141   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 142
 143   This->sp = (DPLobbySPData*)HeapAlloc( GetProcessHeap(),
 144                                         HEAP_ZERO_MEMORY,
 145                                         sizeof( *(This->sp) ) );
 146
 147   if ( This->sp == NULL )
 148   {
 149     return FALSE;
 150   }
 151
 152   This->sp->dplay = dp;
 153
 154   /* Normally we should be keeping a reference, but since only the dplay
 155    * interface that created us can destroy us, we do not keep a reference
 156    * to it (ie we'd be stuck with always having one reference to the dplay
 157    * object, and hence us, around).
 158    * NOTE: The dp object does reference count us.
 159    *
 160    * FIXME: This is a kludge to get around a problem where a queryinterface
 161    *        is used to get a new interface and then is closed. We will then
 162    *        reference garbage. However, with this we will never deallocate
 163    *        the interface we store. The correct fix is to require all
 164    *        DP internal interfaces to use the This->dp2 interface which
 165    *        should be changed to This->dp
 166    */
 167   IDirectPlayX_AddRef( (LPDIRECTPLAY2)dp );
 168
 169
 170   return TRUE;
 171 }
 172
 173 static BOOL DPLSP_DestroyDPLobbySP( LPVOID lpSP )
 174 {
 175   IDPLobbySPImpl *This = (IDPLobbySPImpl *)lpSP;
 176
 177   HeapFree( GetProcessHeap(), 0, This->sp );
 178
 179   return TRUE;
 180 }
 181
 182 static
 183 HRESULT WINAPI DPLSP_QueryInterface
 184 ( LPDPLOBBYSP iface,
 185   REFIID riid,
 186   LPVOID* ppvObj
 187 )
 188 {
 189   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 190   TRACE("(%p)->(%s,%p)\n", This, debugstr_guid( riid ), ppvObj );
 191
 192   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 193                        sizeof( *This ) );
 194
 195   if( *ppvObj == NULL )
 196   {
 197     return DPERR_OUTOFMEMORY;
 198   }
 199
 200   CopyMemory( *ppvObj, This, sizeof( *This )  );
 201   (*(IDPLobbySPImpl**)ppvObj)->ulInterfaceRef = 0;
 202
 203   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
 204   {
 205     IDPLobbySPImpl *This = (IDPLobbySPImpl *)*ppvObj;
 206     This->lpVtbl = &dpLobbySPVT;
 207   }
 208   else
 209   {
 210     /* Unsupported interface */
 211     HeapFree( GetProcessHeap(), 0, *ppvObj );
 212     *ppvObj = NULL;
 213
 214     return E_NOINTERFACE;
 215   }
 216
 217   IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
 218
 219   return S_OK;
 220 }
 221
 222 static
 223 ULONG WINAPI DPLSP_AddRef
 224 ( LPDPLOBBYSP iface )
 225 {
 226   ULONG ulInterfaceRefCount, ulObjRefCount;
 227   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 228
 229   ulObjRefCount       = InterlockedIncrement( &This->unk->ulObjRef );
 230   ulInterfaceRefCount = InterlockedIncrement( &This->ulInterfaceRef );
 231
 232   TRACE( "ref count incremented to %lu:%lu for %p\n",
 233          ulInterfaceRefCount, ulObjRefCount, This );
 234
 235   return ulObjRefCount;
 236 }
 237
 238 static
 239 ULONG WINAPI DPLSP_Release
 240 ( LPDPLOBBYSP iface )
 241 {
 242   ULONG ulInterfaceRefCount, ulObjRefCount;
 243   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 244
 245   ulObjRefCount       = InterlockedDecrement( &This->unk->ulObjRef );
 246   ulInterfaceRefCount = InterlockedDecrement( &This->ulInterfaceRef );
 247
 248   TRACE( "ref count decremented to %lu:%lu for %p\n",
 249          ulInterfaceRefCount, ulObjRefCount, This );
 250
 251   /* Deallocate if this is the last reference to the object */
 252   if( ulObjRefCount == 0 )
 253   {
 254      DPLSP_DestroyDPLobbySP( This );
 255      DPLSP_DestroyIUnknown( This );
 256   }
 257
 258   if( ulInterfaceRefCount == 0 )
 259   {
 260     HeapFree( GetProcessHeap(), 0, This );
 261   }
 262
 263   return ulInterfaceRefCount;
 264 }
 265
 266 static
 267 HRESULT WINAPI IDPLobbySPImpl_AddGroupToGroup
 268 ( LPDPLOBBYSP iface,
 269   LPSPDATA_ADDREMOTEGROUPTOGROUP argtg
 270 )
 271 {
 272   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 273   FIXME( "(%p)->(%p):stub\n", This, argtg );
 274   return DP_OK;
 275 }
 276
 277 static
 278 HRESULT WINAPI IDPLobbySPImpl_AddPlayerToGroup
 279 ( LPDPLOBBYSP iface,
 280   LPSPDATA_ADDREMOTEPLAYERTOGROUP arptg
 281 )
 282 {
 283   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 284   FIXME( "(%p)->(%p):stub\n", This, arptg );
 285   return DP_OK;
 286 }
 287
 288 static
 289 HRESULT WINAPI IDPLobbySPImpl_CreateGroup
 290 ( LPDPLOBBYSP iface,
 291   LPSPDATA_CREATEREMOTEGROUP crg
 292 )
 293 {
 294   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 295   FIXME( "(%p)->(%p):stub\n", This, crg );
 296   return DP_OK;
 297 }
 298
 299 static
 300 HRESULT WINAPI IDPLobbySPImpl_CreateGroupInGroup
 301 ( LPDPLOBBYSP iface,
 302   LPSPDATA_CREATEREMOTEGROUPINGROUP crgig
 303 )
 304 {
 305   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 306   FIXME( "(%p)->(%p):stub\n", This, crgig );
 307   return DP_OK;
 308 }
 309
 310 static
 311 HRESULT WINAPI IDPLobbySPImpl_DeleteGroupFromGroup
 312 ( LPDPLOBBYSP iface,
 313   LPSPDATA_DELETEREMOTEGROUPFROMGROUP drgfg
 314 )
 315 {
 316   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 317   FIXME( "(%p)->(%p):stub\n", This, drgfg );
 318   return DP_OK;
 319 }
 320
 321 static
 322 HRESULT WINAPI IDPLobbySPImpl_DeletePlayerFromGroup
 323 ( LPDPLOBBYSP iface,
 324   LPSPDATA_DELETEREMOTEPLAYERFROMGROUP drpfg
 325 )
 326 {
 327   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 328   FIXME( "(%p)->(%p):stub\n", This, drpfg );
 329   return DP_OK;
 330 }
 331
 332 static
 333 HRESULT WINAPI IDPLobbySPImpl_DestroyGroup
 334 ( LPDPLOBBYSP iface,
 335   LPSPDATA_DESTROYREMOTEGROUP drg
 336 )
 337 {
 338   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 339   FIXME( "(%p)->(%p):stub\n", This, drg );
 340   return DP_OK;
 341 }
 342
 343 static
 344 HRESULT WINAPI IDPLobbySPImpl_EnumSessionsResponse
 345 ( LPDPLOBBYSP iface,
 346   LPSPDATA_ENUMSESSIONSRESPONSE er
 347 )
 348 {
 349   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 350   FIXME( "(%p)->(%p):stub\n", This, er );
 351   return DP_OK;
 352 }
 353
 354 static
 355 HRESULT WINAPI IDPLobbySPImpl_GetSPDataPointer
 356 ( LPDPLOBBYSP iface,
 357   LPVOID* lplpData
 358 )
 359 {
 360   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 361   FIXME( "(%p)->(%p):stub\n", This, lplpData );
 362   return DP_OK;
 363 }
 364
 365 static
 366 HRESULT WINAPI IDPLobbySPImpl_HandleMessage
 367 ( LPDPLOBBYSP iface,
 368   LPSPDATA_HANDLEMESSAGE hm
 369 )
 370 {
 371   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 372   FIXME( "(%p)->(%p):stub\n", This, hm );
 373   return DP_OK;
 374 }
 375
 376 static
 377 HRESULT WINAPI IDPLobbySPImpl_SendChatMessage
 378 ( LPDPLOBBYSP iface,
 379   LPSPDATA_CHATMESSAGE cm
 380 )
 381 {
 382   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 383   FIXME( "(%p)->(%p):stub\n", This, cm );
 384   return DP_OK;
 385 }
 386
 387 static
 388 HRESULT WINAPI IDPLobbySPImpl_SetGroupName
 389 ( LPDPLOBBYSP iface,
 390   LPSPDATA_SETREMOTEGROUPNAME srgn
 391 )
 392 {
 393   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 394   FIXME( "(%p)->(%p):stub\n", This, srgn );
 395   return DP_OK;
 396 }
 397
 398 static
 399 HRESULT WINAPI IDPLobbySPImpl_SetPlayerName
 400 ( LPDPLOBBYSP iface,
 401   LPSPDATA_SETREMOTEPLAYERNAME srpn
 402 )
 403 {
 404   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 405   FIXME( "(%p)->(%p):stub\n", This, srpn );
 406   return DP_OK;
 407 }
 408
 409 static
 410 HRESULT WINAPI IDPLobbySPImpl_SetSessionDesc
 411 ( LPDPLOBBYSP iface,
 412   LPSPDATA_SETSESSIONDESC ssd
 413 )
 414 {
 415   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 416   FIXME( "(%p)->(%p):stub\n", This, ssd );
 417   return DP_OK;
 418 }
 419
 420 static
 421 HRESULT WINAPI IDPLobbySPImpl_SetSPDataPointer
 422 ( LPDPLOBBYSP iface,
 423   LPVOID lpData
 424 )
 425 {
 426   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 427   FIXME( "(%p)->(%p):stub\n", This, lpData );
 428   return DP_OK;
 429 }
 430
 431 static
 432 HRESULT WINAPI IDPLobbySPImpl_StartSession
 433 ( LPDPLOBBYSP iface,
 434   LPSPDATA_STARTSESSIONCOMMAND ssc
 435 )
 436 {
 437   IDPLobbySPImpl *This = (IDPLobbySPImpl *)iface;
 438   FIXME( "(%p)->(%p):stub\n", This, ssc );
 439   return DP_OK;
 440 }
 441
 442
 443 static struct IDPLobbySPVtbl dpLobbySPVT =
 444 {
 445
 446   DPLSP_QueryInterface,
 447   DPLSP_AddRef,
 448   DPLSP_Release,
 449
 450   IDPLobbySPImpl_AddGroupToGroup,
 451   IDPLobbySPImpl_AddPlayerToGroup,
 452   IDPLobbySPImpl_CreateGroup,
 453   IDPLobbySPImpl_CreateGroupInGroup,
 454   IDPLobbySPImpl_DeleteGroupFromGroup,
 455   IDPLobbySPImpl_DeletePlayerFromGroup,
 456   IDPLobbySPImpl_DestroyGroup,
 457   IDPLobbySPImpl_EnumSessionsResponse,
 458   IDPLobbySPImpl_GetSPDataPointer,
 459   IDPLobbySPImpl_HandleMessage,
 460   IDPLobbySPImpl_SendChatMessage,
 461   IDPLobbySPImpl_SetGroupName,
 462   IDPLobbySPImpl_SetPlayerName,
 463   IDPLobbySPImpl_SetSessionDesc,
 464   IDPLobbySPImpl_SetSPDataPointer,
 465   IDPLobbySPImpl_StartSession
 466
 467 };