git.oblomov.eu Git - wine/blob - dlls/rpcrt4/cstub.c

   1 /*
   2  * COM stub (CStdStubBuffer) implementation
   3  *
   4  * Copyright 2001 Ove Kåven, TransGaming Technologies
   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 "windef.h"
  22 #include "winbase.h"
  23 #include "winerror.h"
  24
  25 #include "objbase.h"
  26
  27 #include "rpcproxy.h"
  28
  29 #include "wine/debug.h"
  30
  31 #include "cpsf.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(ole);
  34
  35 #define STUB_HEADER(This) (((CInterfaceStubHeader*)((This)->lpVtbl))[-1])
  36
  37 HRESULT WINAPI CStdStubBuffer_Construct(REFIID riid,
  38                                        LPUNKNOWN pUnkServer,
  39                                        PCInterfaceName name,
  40                                        CInterfaceStubVtbl *vtbl,
  41                                        LPPSFACTORYBUFFER pPSFactory,
  42                                        LPRPCSTUBBUFFER *ppStub)
  43 {
  44   CStdStubBuffer *This;
  45
  46   TRACE("(%p,%p,%p,%p) %s\n", pUnkServer, vtbl, pPSFactory, ppStub, name);
  47   TRACE("iid=%s\n", debugstr_guid(vtbl->header.piid));
  48   TRACE("vtbl=%p\n", &vtbl->Vtbl);
  49
  50   if (!IsEqualGUID(vtbl->header.piid, riid)) {
  51     ERR("IID mismatch during stub creation\n");
  52     return RPC_E_UNEXPECTED;
  53   }
  54
  55   This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(CStdStubBuffer));
  56   if (!This) return E_OUTOFMEMORY;
  57
  58   This->lpVtbl = &vtbl->Vtbl;
  59   This->RefCount = 1;
  60   This->pvServerObject = pUnkServer;
  61   This->pPSFactory = pPSFactory;
  62   *ppStub = (LPRPCSTUBBUFFER)This;
  63
  64   IUnknown_AddRef(This->pvServerObject);
  65   IPSFactoryBuffer_AddRef(pPSFactory);
  66   return S_OK;
  67 }
  68
  69 HRESULT WINAPI CStdStubBuffer_QueryInterface(LPRPCSTUBBUFFER iface,
  70                                             REFIID riid,
  71                                             LPVOID *obj)
  72 {
  73   ICOM_THIS(CStdStubBuffer,iface);
  74   TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(riid),obj);
  75
  76   if (IsEqualGUID(&IID_IUnknown,riid) ||
  77       IsEqualGUID(&IID_IRpcStubBuffer,riid)) {
  78     *obj = This;
  79     This->RefCount++;
  80     return S_OK;
  81   }
  82   return E_NOINTERFACE;
  83 }
  84
  85 ULONG WINAPI CStdStubBuffer_AddRef(LPRPCSTUBBUFFER iface)
  86 {
  87   ICOM_THIS(CStdStubBuffer,iface);
  88   TRACE("(%p)->AddRef()\n",This);
  89   return ++(This->RefCount);
  90 }
  91
  92 ULONG WINAPI NdrCStdStubBuffer_Release(LPRPCSTUBBUFFER iface,
  93                                       LPPSFACTORYBUFFER pPSF)
  94 {
  95   ICOM_THIS(CStdStubBuffer,iface);
  96   TRACE("(%p)->Release()\n",This);
  97
  98   if (!--(This->RefCount)) {
  99     if(This->pvServerObject)
 100         IUnknown_Release(This->pvServerObject);
 101     if(This->pPSFactory)
 102         IPSFactoryBuffer_Release(This->pPSFactory);
 103     HeapFree(GetProcessHeap(),0,This);
 104     return 0;
 105   }
 106   return This->RefCount;
 107 }
 108
 109 HRESULT WINAPI CStdStubBuffer_Connect(LPRPCSTUBBUFFER iface,
 110                                      LPUNKNOWN lpUnkServer)
 111 {
 112   ICOM_THIS(CStdStubBuffer,iface);
 113   TRACE("(%p)->Connect(%p)\n",This,lpUnkServer);
 114   This->pvServerObject = lpUnkServer;
 115   return S_OK;
 116 }
 117
 118 void WINAPI CStdStubBuffer_Disconnect(LPRPCSTUBBUFFER iface)
 119 {
 120   ICOM_THIS(CStdStubBuffer,iface);
 121   TRACE("(%p)->Disconnect()\n",This);
 122   This->pvServerObject = NULL;
 123 }
 124
 125 HRESULT WINAPI CStdStubBuffer_Invoke(LPRPCSTUBBUFFER iface,
 126                                     PRPCOLEMESSAGE pMsg,
 127                                     LPRPCCHANNELBUFFER pChannel)
 128 {
 129   ICOM_THIS(CStdStubBuffer,iface);
 130   DWORD dwPhase = STUB_UNMARSHAL;
 131   TRACE("(%p)->Invoke(%p,%p)\n",This,pMsg,pChannel);
 132
 133   STUB_HEADER(This).pDispatchTable[pMsg->iMethod](iface, pChannel, (PRPC_MESSAGE)pMsg, &dwPhase);
 134   return S_OK;
 135 }
 136
 137 LPRPCSTUBBUFFER WINAPI CStdStubBuffer_IsIIDSupported(LPRPCSTUBBUFFER iface,
 138                                                     REFIID riid)
 139 {
 140   ICOM_THIS(CStdStubBuffer,iface);
 141   TRACE("(%p)->IsIIDSupported(%s)\n",This,debugstr_guid(riid));
 142   return IsEqualGUID(STUB_HEADER(This).piid, riid) ? iface : NULL;
 143 }
 144
 145 ULONG WINAPI CStdStubBuffer_CountRefs(LPRPCSTUBBUFFER iface)
 146 {
 147   ICOM_THIS(CStdStubBuffer,iface);
 148   TRACE("(%p)->CountRefs()\n",This);
 149   return This->RefCount;
 150 }
 151
 152 HRESULT WINAPI CStdStubBuffer_DebugServerQueryInterface(LPRPCSTUBBUFFER iface,
 153                                                        LPVOID *ppv)
 154 {
 155   ICOM_THIS(CStdStubBuffer,iface);
 156   TRACE("(%p)->DebugServerQueryInterface(%p)\n",This,ppv);
 157   return S_OK;
 158 }
 159
 160 void WINAPI CStdStubBuffer_DebugServerRelease(LPRPCSTUBBUFFER iface,
 161                                              LPVOID pv)
 162 {
 163   ICOM_THIS(CStdStubBuffer,iface);
 164   TRACE("(%p)->DebugServerRelease(%p)\n",This,pv);
 165 }