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 <hunnise@nortelnetworks.com>
   5  */
   6
   7 #include "winerror.h"
   8 #include "debugtools.h"
   9
  10 #include "lobbysp.h"
  11 #include "dplay_global.h"
  12 #include "dpinit.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(dplay);
  15
  16 /* Prototypes */
  17 static BOOL DPLSP_CreateIUnknown( LPVOID lpSP );
  18 static BOOL DPLSP_DestroyIUnknown( LPVOID lpSP );
  19 static BOOL DPLSP_CreateDPLobbySP( LPVOID lpSP, IDirectPlay2Impl* dp );
  20 static BOOL DPLSP_DestroyDPLobbySP( LPVOID lpSP );
  21
  22
  23 /* Predefine the interface */
  24 typedef struct IDPLobbySPImpl IDPLobbySPImpl;
  25
  26 typedef struct tagDPLobbySPIUnknownData
  27 {
  28   ULONG             ulObjRef;
  29   CRITICAL_SECTION  DPLSP_lock;
  30 } DPLobbySPIUnknownData;
  31
  32 typedef struct tagDPLobbySPData
  33 {
  34   IDirectPlay2Impl* dplay;
  35 } DPLobbySPData;
  36
  37 #define DPLSP_IMPL_FIELDS \
  38    ULONG ulInterfaceRef; \
  39    DPLobbySPIUnknownData* unk; \
  40    DPLobbySPData* sp;
  41
  42 struct IDPLobbySPImpl
  43 {
  44   ICOM_VFIELD(IDPLobbySP);
  45   DPLSP_IMPL_FIELDS
  46 };
  47
  48 /* Forward declaration of virtual tables */
  49 static ICOM_VTABLE(IDPLobbySP) dpLobbySPVT;
  50
  51 extern
  52 HRESULT DPLSP_CreateInterface( REFIID riid, LPVOID* ppvObj, IDirectPlay2Impl* dp )
  53 {
  54   TRACE( " for %s\n", debugstr_guid( riid ) );
  55
  56   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
  57                        sizeof( IDPLobbySPImpl ) );
  58
  59   if( *ppvObj == NULL )
  60   {
  61     return DPERR_OUTOFMEMORY;
  62   }
  63
  64   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
  65   {
  66     ICOM_THIS(IDPLobbySPImpl,*ppvObj);
  67     ICOM_VTBL(This) = &dpLobbySPVT;
  68   }
  69   else
  70   {
  71     /* Unsupported interface */
  72     HeapFree( GetProcessHeap(), 0, *ppvObj );
  73     *ppvObj = NULL;
  74
  75     return E_NOINTERFACE;
  76   }
  77
  78   /* Initialize it */
  79   if( DPLSP_CreateIUnknown( *ppvObj ) &&
  80       DPLSP_CreateDPLobbySP( *ppvObj, dp )
  81     )
  82   {
  83     IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
  84     return S_OK;
  85   }
  86
  87   /* Initialize failed, destroy it */
  88   DPLSP_DestroyDPLobbySP( *ppvObj );
  89   DPLSP_DestroyIUnknown( *ppvObj );
  90
  91   HeapFree( GetProcessHeap(), 0, *ppvObj );
  92   *ppvObj = NULL;
  93
  94   return DPERR_NOMEMORY;
  95 }
  96
  97 static BOOL DPLSP_CreateIUnknown( LPVOID lpSP )
  98 {
  99   ICOM_THIS(IDPLobbySPImpl,lpSP);
 100
 101   This->unk = (DPLobbySPIUnknownData*)HeapAlloc( GetProcessHeap(),
 102                                                     HEAP_ZERO_MEMORY,
 103                                                     sizeof( *(This->unk) ) );
 104
 105   if ( This->unk == NULL )
 106   {
 107     return FALSE;
 108   }
 109
 110   InitializeCriticalSection( &This->unk->DPLSP_lock );
 111
 112   return TRUE;
 113 }
 114
 115 static BOOL DPLSP_DestroyIUnknown( LPVOID lpSP )
 116 {
 117   ICOM_THIS(IDPLobbySPImpl,lpSP);
 118
 119   DeleteCriticalSection( &This->unk->DPLSP_lock );
 120   HeapFree( GetProcessHeap(), 0, This->unk );
 121
 122   return TRUE;
 123 }
 124
 125 static BOOL DPLSP_CreateDPLobbySP( LPVOID lpSP, IDirectPlay2Impl* dp )
 126 {
 127   ICOM_THIS(IDPLobbySPImpl,lpSP);
 128
 129   This->sp = (DPLobbySPData*)HeapAlloc( GetProcessHeap(),
 130                                         HEAP_ZERO_MEMORY,
 131                                         sizeof( *(This->sp) ) );
 132
 133   if ( This->sp == NULL )
 134   {
 135     return FALSE;
 136   }
 137
 138   This->sp->dplay = dp;
 139
 140   /* Normally we should be keeping a reference, but since only the dplay
 141    * interface that created us can destroy us, we do not keep a reference
 142    * to it (ie we'd be stuck with always having one reference to the dplay
 143    * object, and hence us, around).
 144    * NOTE: The dp object does reference count us.
 145    *
 146    * FIXME: This is a kludge to get around a problem where a queryinterface
 147    *        is used to get a new interface and then is closed. We will then
 148    *        reference garbage. However, with this we will never deallocate
 149    *        the interface we store. The correct fix is to require all
 150    *        DP internal interfaces to use the This->dp2 interface which
 151    *        should be changed to This->dp
 152    */
 153   IDirectPlayX_AddRef( (LPDIRECTPLAY2)dp );
 154
 155
 156   return TRUE;
 157 }
 158
 159 static BOOL DPLSP_DestroyDPLobbySP( LPVOID lpSP )
 160 {
 161   ICOM_THIS(IDPLobbySPImpl,lpSP);
 162
 163   HeapFree( GetProcessHeap(), 0, This->sp );
 164
 165   return TRUE;
 166 }
 167
 168 static
 169 HRESULT WINAPI DPLSP_QueryInterface
 170 ( LPDPLOBBYSP iface,
 171   REFIID riid,
 172   LPVOID* ppvObj
 173 )
 174 {
 175   ICOM_THIS(IDPLobbySPImpl,iface);
 176   TRACE("(%p)->(%s,%p)\n", This, debugstr_guid( riid ), ppvObj );
 177
 178   *ppvObj = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 179                        sizeof( *This ) );
 180
 181   if( *ppvObj == NULL )
 182   {
 183     return DPERR_OUTOFMEMORY;
 184   }
 185
 186   CopyMemory( *ppvObj, This, sizeof( *This )  );
 187   (*(IDPLobbySPImpl**)ppvObj)->ulInterfaceRef = 0;
 188
 189   if( IsEqualGUID( &IID_IDPLobbySP, riid ) )
 190   {
 191     ICOM_THIS(IDPLobbySPImpl,*ppvObj);
 192     ICOM_VTBL(This) = &dpLobbySPVT;
 193   }
 194   else
 195   {
 196     /* Unsupported interface */
 197     HeapFree( GetProcessHeap(), 0, *ppvObj );
 198     *ppvObj = NULL;
 199
 200     return E_NOINTERFACE;
 201   }
 202
 203   IDPLobbySP_AddRef( (LPDPLOBBYSP)*ppvObj );
 204
 205   return S_OK;
 206 }
 207
 208 static
 209 ULONG WINAPI DPLSP_AddRef
 210 ( LPDPLOBBYSP iface )
 211 {
 212   ULONG ulInterfaceRefCount, ulObjRefCount;
 213   ICOM_THIS(IDPLobbySPImpl,iface);
 214
 215   ulObjRefCount       = InterlockedIncrement( &This->unk->ulObjRef );
 216   ulInterfaceRefCount = InterlockedIncrement( &This->ulInterfaceRef );
 217
 218   TRACE( "ref count incremented to %lu:%lu for %p\n",
 219          ulInterfaceRefCount, ulObjRefCount, This );
 220
 221   return ulObjRefCount;
 222 }
 223
 224 static
 225 ULONG WINAPI DPLSP_Release
 226 ( LPDPLOBBYSP iface )
 227 {
 228   ULONG ulInterfaceRefCount, ulObjRefCount;
 229   ICOM_THIS(IDPLobbySPImpl,iface);
 230
 231   ulObjRefCount       = InterlockedDecrement( &This->unk->ulObjRef );
 232   ulInterfaceRefCount = InterlockedDecrement( &This->ulInterfaceRef );
 233
 234   TRACE( "ref count decremented to %lu:%lu for %p\n",
 235          ulInterfaceRefCount, ulObjRefCount, This );
 236
 237   /* Deallocate if this is the last reference to the object */
 238   if( ulObjRefCount == 0 )
 239   {
 240      DPLSP_DestroyDPLobbySP( This );
 241      DPLSP_DestroyIUnknown( This );
 242   }
 243
 244   if( ulInterfaceRefCount == 0 )
 245   {
 246     HeapFree( GetProcessHeap(), 0, This );
 247   }
 248
 249   return ulInterfaceRefCount;
 250 }
 251
 252 static
 253 HRESULT WINAPI IDPLobbySPImpl_AddGroupToGroup
 254 ( LPDPLOBBYSP iface,
 255   LPSPDATA_ADDREMOTEGROUPTOGROUP argtg
 256 )
 257 {
 258   ICOM_THIS(IDPLobbySPImpl,iface);
 259   FIXME( "(%p)->(%p):stub\n", This, argtg );
 260   return DP_OK;
 261 }
 262
 263 static
 264 HRESULT WINAPI IDPLobbySPImpl_AddPlayerToGroup
 265 ( LPDPLOBBYSP iface,
 266   LPSPDATA_ADDREMOTEPLAYERTOGROUP arptg
 267 )
 268 {
 269   ICOM_THIS(IDPLobbySPImpl,iface);
 270   FIXME( "(%p)->(%p):stub\n", This, arptg );
 271   return DP_OK;
 272 }
 273
 274 static
 275 HRESULT WINAPI IDPLobbySPImpl_CreateGroup
 276 ( LPDPLOBBYSP iface,
 277   LPSPDATA_CREATEREMOTEGROUP crg
 278 )
 279 {
 280   ICOM_THIS(IDPLobbySPImpl,iface);
 281   FIXME( "(%p)->(%p):stub\n", This, crg );
 282   return DP_OK;
 283 }
 284
 285 static
 286 HRESULT WINAPI IDPLobbySPImpl_CreateGroupInGroup
 287 ( LPDPLOBBYSP iface,
 288   LPSPDATA_CREATEREMOTEGROUPINGROUP crgig
 289 )
 290 {
 291   ICOM_THIS(IDPLobbySPImpl,iface);
 292   FIXME( "(%p)->(%p):stub\n", This, crgig );
 293   return DP_OK;
 294 }
 295
 296 static
 297 HRESULT WINAPI IDPLobbySPImpl_DeleteGroupFromGroup
 298 ( LPDPLOBBYSP iface,
 299   LPSPDATA_DELETEREMOTEGROUPFROMGROUP drgfg
 300 )
 301 {
 302   ICOM_THIS(IDPLobbySPImpl,iface);
 303   FIXME( "(%p)->(%p):stub\n", This, drgfg );
 304   return DP_OK;
 305 }
 306
 307 static
 308 HRESULT WINAPI IDPLobbySPImpl_DeletePlayerFromGroup
 309 ( LPDPLOBBYSP iface,
 310   LPSPDATA_DELETEREMOTEPLAYERFROMGROUP drpfg
 311 )
 312 {
 313   ICOM_THIS(IDPLobbySPImpl,iface);
 314   FIXME( "(%p)->(%p):stub\n", This, drpfg );
 315   return DP_OK;
 316 }
 317
 318 static
 319 HRESULT WINAPI IDPLobbySPImpl_DestroyGroup
 320 ( LPDPLOBBYSP iface,
 321   LPSPDATA_DESTROYREMOTEGROUP drg
 322 )
 323 {
 324   ICOM_THIS(IDPLobbySPImpl,iface);
 325   FIXME( "(%p)->(%p):stub\n", This, drg );
 326   return DP_OK;
 327 }
 328
 329 static
 330 HRESULT WINAPI IDPLobbySPImpl_EnumSessionsResponse
 331 ( LPDPLOBBYSP iface,
 332   LPSPDATA_ENUMSESSIONSRESPONSE er
 333 )
 334 {
 335   ICOM_THIS(IDPLobbySPImpl,iface);
 336   FIXME( "(%p)->(%p):stub\n", This, er );
 337   return DP_OK;
 338 }
 339
 340 static
 341 HRESULT WINAPI IDPLobbySPImpl_GetSPDataPointer
 342 ( LPDPLOBBYSP iface,
 343   LPVOID* lplpData
 344 )
 345 {
 346   ICOM_THIS(IDPLobbySPImpl,iface);
 347   FIXME( "(%p)->(%p):stub\n", This, lplpData );
 348   return DP_OK;
 349 }
 350
 351 static
 352 HRESULT WINAPI IDPLobbySPImpl_HandleMessage
 353 ( LPDPLOBBYSP iface,
 354   LPSPDATA_HANDLEMESSAGE hm
 355 )
 356 {
 357   ICOM_THIS(IDPLobbySPImpl,iface);
 358   FIXME( "(%p)->(%p):stub\n", This, hm );
 359   return DP_OK;
 360 }
 361
 362 static
 363 HRESULT WINAPI IDPLobbySPImpl_SendChatMessage
 364 ( LPDPLOBBYSP iface,
 365   LPSPDATA_CHATMESSAGE cm
 366 )
 367 {
 368   ICOM_THIS(IDPLobbySPImpl,iface);
 369   FIXME( "(%p)->(%p):stub\n", This, cm );
 370   return DP_OK;
 371 }
 372
 373 static
 374 HRESULT WINAPI IDPLobbySPImpl_SetGroupName
 375 ( LPDPLOBBYSP iface,
 376   LPSPDATA_SETREMOTEGROUPNAME srgn
 377 )
 378 {
 379   ICOM_THIS(IDPLobbySPImpl,iface);
 380   FIXME( "(%p)->(%p):stub\n", This, srgn );
 381   return DP_OK;
 382 }
 383
 384 static
 385 HRESULT WINAPI IDPLobbySPImpl_SetPlayerName
 386 ( LPDPLOBBYSP iface,
 387   LPSPDATA_SETREMOTEPLAYERNAME srpn
 388 )
 389 {
 390   ICOM_THIS(IDPLobbySPImpl,iface);
 391   FIXME( "(%p)->(%p):stub\n", This, srpn );
 392   return DP_OK;
 393 }
 394
 395 static
 396 HRESULT WINAPI IDPLobbySPImpl_SetSessionDesc
 397 ( LPDPLOBBYSP iface,
 398   LPSPDATA_SETSESSIONDESC ssd
 399 )
 400 {
 401   ICOM_THIS(IDPLobbySPImpl,iface);
 402   FIXME( "(%p)->(%p):stub\n", This, ssd );
 403   return DP_OK;
 404 }
 405
 406 static
 407 HRESULT WINAPI IDPLobbySPImpl_SetSPDataPointer
 408 ( LPDPLOBBYSP iface,
 409   LPVOID lpData
 410 )
 411 {
 412   ICOM_THIS(IDPLobbySPImpl,iface);
 413   FIXME( "(%p)->(%p):stub\n", This, lpData );
 414   return DP_OK;
 415 }
 416
 417 static
 418 HRESULT WINAPI IDPLobbySPImpl_StartSession
 419 ( LPDPLOBBYSP iface,
 420   LPSPDATA_STARTSESSIONCOMMAND ssc
 421 )
 422 {
 423   ICOM_THIS(IDPLobbySPImpl,iface);
 424   FIXME( "(%p)->(%p):stub\n", This, ssc );
 425   return DP_OK;
 426 }
 427
 428
 429 static struct ICOM_VTABLE(IDPLobbySP) dpLobbySPVT =
 430 {
 431   ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 432
 433   DPLSP_QueryInterface,
 434   DPLSP_AddRef,
 435   DPLSP_Release,
 436
 437   IDPLobbySPImpl_AddGroupToGroup,
 438   IDPLobbySPImpl_AddPlayerToGroup,
 439   IDPLobbySPImpl_CreateGroup,
 440   IDPLobbySPImpl_CreateGroupInGroup,
 441   IDPLobbySPImpl_DeleteGroupFromGroup,
 442   IDPLobbySPImpl_DeletePlayerFromGroup,
 443   IDPLobbySPImpl_DestroyGroup,
 444   IDPLobbySPImpl_EnumSessionsResponse,
 445   IDPLobbySPImpl_GetSPDataPointer,
 446   IDPLobbySPImpl_HandleMessage,
 447   IDPLobbySPImpl_SendChatMessage,
 448   IDPLobbySPImpl_SetGroupName,
 449   IDPLobbySPImpl_SetPlayerName,
 450   IDPLobbySPImpl_SetSessionDesc,
 451   IDPLobbySPImpl_SetSPDataPointer,
 452   IDPLobbySPImpl_StartSession
 453
 454 };