4 * Copyright 2002 Marcus Meissner
5 * Copyright 2004 Mike Hearn, for CodeWeavers
6 * Copyright 2004 Rob Shearman, for CodeWeavers
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
42 #include "wine/unicode.h"
44 #include "compobj_private.h"
46 #include "wine/debug.h"
48 WINE_DEFAULT_DEBUG_CHANNEL(ole);
50 extern const CLSID CLSID_DfMarshal;
52 /* number of refs given out for normal marshaling */
53 #define NORMALEXTREFS 1 /* FIXME: this should be 5, but we have to wait for IRemUnknown support first */
55 /* private flag indicating that the caller does not want to notify the stub
56 * when the proxy disconnects or is destroyed */
57 #define SORFP_NOLIFETIMEMGMT SORF_OXRES1
59 static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt, REFIID riid, void **object);
61 /* Marshalling just passes a unique identifier to the remote client,
62 * that makes it possible to find the passed interface again.
64 * So basically we need a set of values that make it unique.
66 * Note that the IUnknown_QI(ob,xiid,&ppv) always returns the SAME ppv value!
68 * A triple is used: OXID (apt id), OID (stub manager id),
69 * IPID (interface ptr/stub id).
71 * OXIDs identify an apartment and are network scoped
72 * OIDs identify a stub manager and are apartment scoped
73 * IPIDs identify an interface stub and are apartment scoped
76 inline static HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
81 if ((hr = CoGetPSClsid(riid, &clsid)))
83 return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
84 &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
87 /* marshals an object into a STDOBJREF structure */
88 HRESULT marshal_object(APARTMENT *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *object, MSHLFLAGS mshlflags)
90 struct stub_manager *manager;
91 struct ifstub *ifstub;
93 IRpcStubBuffer *stub = NULL;
95 IUnknown *iobject = NULL; /* object of type riid */
97 hr = apartment_getoxid(apt, &stdobjref->oxid);
101 hr = apartment_createwindowifneeded(apt);
105 hr = IUnknown_QueryInterface(object, riid, (void **)&iobject);
108 ERR("object doesn't expose interface %s, failing with error 0x%08lx\n",
109 debugstr_guid(riid), hr);
110 return E_NOINTERFACE;
113 /* IUnknown doesn't require a stub buffer, because it never goes out on
115 if (!IsEqualIID(riid, &IID_IUnknown))
117 IPSFactoryBuffer *psfb;
119 hr = get_facbuf_for_iid(riid, &psfb);
122 ERR("couldn't get IPSFactory buffer for interface %s\n", debugstr_guid(riid));
123 IUnknown_Release(iobject);
127 hr = IPSFactoryBuffer_CreateStub(psfb, riid, iobject, &stub);
128 IPSFactoryBuffer_Release(psfb);
131 ERR("Failed to create an IRpcStubBuffer from IPSFactory for %s\n", debugstr_guid(riid));
132 IUnknown_Release(iobject);
137 if (mshlflags & MSHLFLAGS_NOPING)
138 stdobjref->flags = SORF_NOPING;
140 stdobjref->flags = SORF_NULL;
142 if ((manager = get_stub_manager_from_object(apt, object)))
143 TRACE("registering new ifstub on pre-existing manager\n");
146 TRACE("constructing new stub manager\n");
148 manager = new_stub_manager(apt, object);
151 if (stub) IRpcStubBuffer_Release(stub);
152 IUnknown_Release(iobject);
153 return E_OUTOFMEMORY;
156 stdobjref->oid = manager->oid;
158 tablemarshal = ((mshlflags & MSHLFLAGS_TABLESTRONG) || (mshlflags & MSHLFLAGS_TABLEWEAK));
160 /* make sure ifstub that we are creating is unique */
161 ifstub = stub_manager_find_ifstub(manager, riid, mshlflags);
164 ifstub = stub_manager_new_ifstub(manager, stub, iobject, riid, mshlflags);
165 IUnknown_Release(iobject);
166 if (stub) IRpcStubBuffer_Release(stub);
169 stub_manager_int_release(manager);
170 /* FIXME: should we do another release to completely destroy the
172 return E_OUTOFMEMORY;
178 stdobjref->cPublicRefs = NORMALEXTREFS;
179 stub_manager_ext_addref(manager, stdobjref->cPublicRefs);
183 stdobjref->cPublicRefs = 0;
184 if (mshlflags & MSHLFLAGS_TABLESTRONG)
185 stub_manager_ext_addref(manager, 1);
188 /* FIXME: check return value */
189 RPC_RegisterInterface(riid);
191 stdobjref->ipid = ifstub->ipid;
193 stub_manager_int_release(manager);
199 /* Client-side identity of the server object */
201 static HRESULT proxy_manager_get_remunknown(struct proxy_manager * This, IRemUnknown **remunk);
202 static void proxy_manager_destroy(struct proxy_manager * This);
203 static HRESULT proxy_manager_find_ifproxy(struct proxy_manager * This, REFIID riid, struct ifproxy ** ifproxy_found);
204 static HRESULT proxy_manager_query_local_interface(struct proxy_manager * This, REFIID riid, void ** ppv);
206 static HRESULT WINAPI ClientIdentity_QueryInterface(IMultiQI * iface, REFIID riid, void ** ppv)
211 TRACE("%s\n", debugstr_guid(riid));
214 hr = IMultiQI_QueryMultipleInterfaces(iface, 1, &mqi);
215 *ppv = (void *)mqi.pItf;
220 static ULONG WINAPI ClientIdentity_AddRef(IMultiQI * iface)
222 struct proxy_manager * This = (struct proxy_manager *)iface;
223 TRACE("%p - before %ld\n", iface, This->refs);
224 return InterlockedIncrement(&This->refs);
227 static ULONG WINAPI ClientIdentity_Release(IMultiQI * iface)
229 struct proxy_manager * This = (struct proxy_manager *)iface;
230 ULONG refs = InterlockedDecrement(&This->refs);
231 TRACE("%p - after %ld\n", iface, refs);
233 proxy_manager_destroy(This);
237 static HRESULT WINAPI ClientIdentity_QueryMultipleInterfaces(IMultiQI *iface, ULONG cMQIs, MULTI_QI *pMQIs)
239 struct proxy_manager * This = (struct proxy_manager *)iface;
240 REMQIRESULT *qiresults = NULL;
241 ULONG nonlocal_mqis = 0;
243 ULONG successful_mqis = 0;
244 IID *iids = HeapAlloc(GetProcessHeap(), 0, cMQIs * sizeof(*iids));
245 /* mapping of RemQueryInterface index to QueryMultipleInterfaces index */
246 ULONG *mapping = HeapAlloc(GetProcessHeap(), 0, cMQIs * sizeof(*mapping));
248 TRACE("cMQIs: %ld\n", cMQIs);
250 /* try to get a local interface - this includes already active proxy
251 * interfaces and also interfaces exposed by the proxy manager */
252 for (i = 0; i < cMQIs; i++)
254 TRACE("iid[%ld] = %s\n", i, debugstr_guid(pMQIs[i].pIID));
255 pMQIs[i].hr = proxy_manager_query_local_interface(This, pMQIs[i].pIID, (void **)&pMQIs[i].pItf);
256 if (pMQIs[i].hr == S_OK)
260 iids[nonlocal_mqis] = *pMQIs[i].pIID;
261 mapping[nonlocal_mqis] = i;
266 TRACE("%ld interfaces not found locally\n", nonlocal_mqis);
268 /* if we have more than one interface not found locally then we must try
269 * to query the remote object for it */
270 if (nonlocal_mqis != 0)
276 /* get the ipid of the first entry */
277 /* FIXME: should we implement ClientIdentity on the ifproxies instead
278 * of the proxy_manager so we use the correct ipid here? */
279 ipid = &LIST_ENTRY(list_head(&This->interfaces), struct ifproxy, entry)->stdobjref.ipid;
281 /* get IRemUnknown proxy so we can communicate with the remote object */
282 hr = proxy_manager_get_remunknown(This, &remunk);
286 hr = IRemUnknown_RemQueryInterface(remunk, ipid, NORMALEXTREFS,
287 nonlocal_mqis, iids, &qiresults);
289 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08lx\n", hr);
292 /* IRemUnknown_RemQueryInterface can return S_FALSE if only some of
293 * the interfaces were returned */
296 /* try to unmarshal each object returned to us */
297 for (i = 0; i < nonlocal_mqis; i++)
299 ULONG index = mapping[i];
300 HRESULT hrobj = qiresults[i].hResult;
302 hrobj = unmarshal_object(&qiresults[i].std, This->parent,
304 (void **)&pMQIs[index].pItf);
309 ERR("Failed to get pointer to interface %s\n", debugstr_guid(pMQIs[index].pIID));
310 pMQIs[index].hr = hrobj;
314 /* free the memory allocated by the proxy */
315 CoTaskMemFree(qiresults);
318 TRACE("%ld/%ld successfully queried\n", successful_mqis, cMQIs);
320 HeapFree(GetProcessHeap(), 0, iids);
321 HeapFree(GetProcessHeap(), 0, mapping);
323 if (successful_mqis == cMQIs)
324 return S_OK; /* we got all requested interfaces */
325 else if (successful_mqis == 0)
326 return E_NOINTERFACE; /* we didn't get any interfaces */
328 return S_FALSE; /* we got some interfaces */
331 static const IMultiQIVtbl ClientIdentity_Vtbl =
333 ClientIdentity_QueryInterface,
334 ClientIdentity_AddRef,
335 ClientIdentity_Release,
336 ClientIdentity_QueryMultipleInterfaces
339 static HRESULT WINAPI Proxy_QueryInterface(IMarshal *iface, REFIID riid, void **ppvObject)
341 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
342 return IMultiQI_QueryInterface((IMultiQI *)&This->lpVtbl, riid, ppvObject);
345 static ULONG WINAPI Proxy_AddRef(IMarshal *iface)
347 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
348 return IMultiQI_AddRef((IMultiQI *)&This->lpVtbl);
351 /* FIXME: remove these */
352 static HRESULT WINAPI StdMarshalImpl_GetUnmarshalClass(LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext, void* pvDestContext, DWORD mshlflags, CLSID* pCid);
353 static HRESULT WINAPI StdMarshalImpl_GetMarshalSizeMax(LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext, void* pvDestContext, DWORD mshlflags, DWORD* pSize);
354 static HRESULT WINAPI StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv);
355 static HRESULT WINAPI StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm);
356 static HRESULT WINAPI StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved);
358 static ULONG WINAPI Proxy_Release(IMarshal *iface)
360 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
361 return IMultiQI_Release((IMultiQI *)&This->lpVtbl);
364 static HRESULT WINAPI Proxy_MarshalInterface(
365 LPMARSHAL iface, IStream *pStm, REFIID riid, void* pv, DWORD dwDestContext,
366 void* pvDestContext, DWORD mshlflags)
368 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
372 struct ifproxy *ifproxy;
374 TRACE("(...,%s,...)\n", debugstr_guid(riid));
376 hr = proxy_manager_find_ifproxy(This, riid, &ifproxy);
379 ERR("couldn't find proxy for interface %s, error 0x%08lx\n", debugstr_guid(riid), hr);
383 stdobjref = ifproxy->stdobjref;
384 /* FIXME: optimization - share out proxy's public references if possible
385 * instead of making new proxy do a roundtrip through the server */
386 stdobjref.cPublicRefs = 0; /* InterlockedDecrement(&This->stdobjref.cPublicRefs) >= 0 ? 1 : 0 */
387 hr = IStream_Write(pStm, &stdobjref, sizeof(stdobjref), &res);
392 static const IMarshalVtbl ProxyMarshal_Vtbl =
394 Proxy_QueryInterface,
397 StdMarshalImpl_GetUnmarshalClass,
398 StdMarshalImpl_GetMarshalSizeMax,
399 Proxy_MarshalInterface,
400 StdMarshalImpl_UnmarshalInterface,
401 StdMarshalImpl_ReleaseMarshalData,
402 StdMarshalImpl_DisconnectObject
405 static HRESULT ifproxy_get_public_ref(struct ifproxy * This)
409 if (WAIT_OBJECT_0 != WaitForSingleObject(This->parent->remoting_mutex, INFINITE))
411 ERR("Wait failed for ifproxy %p\n", This);
417 IRemUnknown *remunk = NULL;
419 TRACE("getting public ref for ifproxy %p\n", This);
421 hr = proxy_manager_get_remunknown(This->parent, &remunk);
424 HRESULT hrref = S_OK;
426 rif.ipid = This->stdobjref.ipid;
427 rif.cPublicRefs = NORMALEXTREFS;
428 rif.cPrivateRefs = 0;
429 hr = IRemUnknown_RemAddRef(remunk, 1, &rif, &hrref);
430 if (hr == S_OK && hrref == S_OK)
431 This->refs += NORMALEXTREFS;
433 ERR("IRemUnknown_RemAddRef returned with 0x%08lx, hrref = 0x%08lx\n", hr, hrref);
436 ReleaseMutex(This->parent->remoting_mutex);
441 static HRESULT ifproxy_release_public_refs(struct ifproxy * This)
445 if (WAIT_OBJECT_0 != WaitForSingleObject(This->parent->remoting_mutex, INFINITE))
447 ERR("Wait failed for ifproxy %p\n", This);
453 IRemUnknown *remunk = NULL;
455 TRACE("releasing %ld refs\n", This->refs);
457 hr = proxy_manager_get_remunknown(This->parent, &remunk);
461 rif.ipid = This->stdobjref.ipid;
462 rif.cPublicRefs = This->refs;
463 rif.cPrivateRefs = 0;
464 hr = IRemUnknown_RemRelease(remunk, 1, &rif);
467 else if (hr == RPC_E_DISCONNECTED)
468 WARN("couldn't release references because object was "
469 "disconnected: oxid = %s, oid = %s\n",
470 wine_dbgstr_longlong(This->parent->oxid),
471 wine_dbgstr_longlong(This->parent->oid));
473 ERR("IRemUnknown_RemRelease failed with error 0x%08lx\n", hr);
476 ReleaseMutex(This->parent->remoting_mutex);
481 /* should be called inside This->parent->cs critical section */
482 static void ifproxy_disconnect(struct ifproxy * This)
484 ifproxy_release_public_refs(This);
485 if (This->proxy) IRpcProxyBuffer_Disconnect(This->proxy);
487 IRpcChannelBuffer_Release(This->chan);
491 /* should be called in This->parent->cs critical section if it is an entry in parent's list */
492 static void ifproxy_destroy(struct ifproxy * This)
496 /* release public references to this object so that the stub can know
497 * when to destroy itself */
498 ifproxy_release_public_refs(This);
500 list_remove(&This->entry);
504 IRpcChannelBuffer_Release(This->chan);
508 /* note: we don't call Release for This->proxy because its lifetime is
509 * controlled by the return value from ClientIdentity_Release, which this
510 * function is always called from */
512 HeapFree(GetProcessHeap(), 0, This);
515 static HRESULT proxy_manager_construct(
516 APARTMENT * apt, ULONG sorflags, OXID oxid, OID oid,
517 struct proxy_manager ** proxy_manager)
519 struct proxy_manager * This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
520 if (!This) return E_OUTOFMEMORY;
522 This->remoting_mutex = CreateMutexW(NULL, FALSE, NULL);
523 if (!This->remoting_mutex)
525 HeapFree(GetProcessHeap(), 0, This);
526 return HRESULT_FROM_WIN32(GetLastError());
529 This->lpVtbl = &ClientIdentity_Vtbl;
530 This->lpVtblMarshal = &ProxyMarshal_Vtbl;
532 list_init(&This->entry);
533 list_init(&This->interfaces);
535 InitializeCriticalSection(&This->cs);
536 DEBUG_SET_CRITSEC_NAME(&This->cs, "proxy_manager");
538 /* the apartment the object was unmarshaled into */
541 /* the source apartment and id of the object */
547 /* the DCOM draft specification states that the SORF_NOPING flag is
548 * proxy manager specific, not ifproxy specific, so this implies that we
549 * should store the STDOBJREF flags here in the proxy manager. */
550 This->sorflags = sorflags;
552 /* we create the IRemUnknown proxy on demand */
555 EnterCriticalSection(&apt->cs);
556 /* FIXME: we are dependent on the ordering in here to make sure a proxy's
557 * IRemUnknown proxy doesn't get destroyed before the regual proxy does
558 * because we need the IRemUnknown proxy during the destruction of the
559 * regular proxy. Ideally, we should maintain a separate list for the
560 * IRemUnknown proxies that need late destruction */
561 list_add_tail(&apt->proxies, &This->entry);
562 LeaveCriticalSection(&apt->cs);
564 TRACE("%p created for OXID %s, OID %s\n", This,
565 wine_dbgstr_longlong(oxid), wine_dbgstr_longlong(oid));
567 *proxy_manager = This;
571 static HRESULT proxy_manager_query_local_interface(struct proxy_manager * This, REFIID riid, void ** ppv)
574 struct ifproxy * ifproxy;
576 TRACE("%s\n", debugstr_guid(riid));
578 if (IsEqualIID(riid, &IID_IUnknown) ||
579 IsEqualIID(riid, &IID_IMultiQI))
581 *ppv = (void *)&This->lpVtbl;
582 IUnknown_AddRef((IUnknown *)*ppv);
585 if (IsEqualIID(riid, &IID_IMarshal))
587 *ppv = (void *)&This->lpVtblMarshal;
588 IUnknown_AddRef((IUnknown *)*ppv);
591 if (IsEqualIID(riid, &IID_IClientSecurity))
593 FIXME("requesting IClientSecurity, but it is unimplemented\n");
595 return E_NOINTERFACE;
598 hr = proxy_manager_find_ifproxy(This, riid, &ifproxy);
601 *ppv = ifproxy->iface;
602 IUnknown_AddRef((IUnknown *)*ppv);
607 return E_NOINTERFACE;
610 static HRESULT proxy_manager_create_ifproxy(
611 struct proxy_manager * This, const STDOBJREF *stdobjref, REFIID riid,
612 IRpcChannelBuffer * channel, struct ifproxy ** iif_out)
615 IPSFactoryBuffer * psfb;
616 struct ifproxy * ifproxy = HeapAlloc(GetProcessHeap(), 0, sizeof(*ifproxy));
617 if (!ifproxy) return E_OUTOFMEMORY;
619 list_init(&ifproxy->entry);
621 ifproxy->parent = This;
622 ifproxy->stdobjref = *stdobjref;
623 ifproxy->iid = *riid;
624 ifproxy->refs = stdobjref->cPublicRefs;
625 ifproxy->proxy = NULL;
628 ifproxy->chan = channel; /* FIXME: we should take the binding strings and construct the channel in this function */
630 /* the IUnknown interface is special because it does not have a
631 * proxy associated with the ifproxy as we handle IUnknown ourselves */
632 if (IsEqualIID(riid, &IID_IUnknown))
634 ifproxy->iface = (void *)&This->lpVtbl;
635 IMultiQI_AddRef((IMultiQI *)&This->lpVtbl);
640 hr = get_facbuf_for_iid(riid, &psfb);
643 /* important note: the outer unknown is set to the proxy manager.
644 * This ensures the COM identity rules are not violated, by having a
645 * one-to-one mapping of objects on the proxy side to objects on the
646 * stub side, no matter which interface you view the object through */
647 hr = IPSFactoryBuffer_CreateProxy(psfb, (IUnknown *)&This->lpVtbl, riid,
648 &ifproxy->proxy, &ifproxy->iface);
649 IPSFactoryBuffer_Release(psfb);
651 ERR("Could not create proxy for interface %s, error 0x%08lx\n",
652 debugstr_guid(riid), hr);
655 ERR("Could not get IPSFactoryBuffer for interface %s, error 0x%08lx\n",
656 debugstr_guid(riid), hr);
659 hr = IRpcProxyBuffer_Connect(ifproxy->proxy, ifproxy->chan);
662 /* get at least one external reference to the object to keep it alive */
664 hr = ifproxy_get_public_ref(ifproxy);
668 EnterCriticalSection(&This->cs);
669 list_add_tail(&This->interfaces, &ifproxy->entry);
670 LeaveCriticalSection(&This->cs);
673 TRACE("ifproxy %p created for IPID %s, interface %s with %lu public refs\n",
674 ifproxy, debugstr_guid(&stdobjref->ipid), debugstr_guid(riid), stdobjref->cPublicRefs);
677 ifproxy_destroy(ifproxy);
682 static HRESULT proxy_manager_find_ifproxy(struct proxy_manager * This, REFIID riid, struct ifproxy ** ifproxy_found)
684 HRESULT hr = E_NOINTERFACE; /* assume not found */
685 struct list * cursor;
687 EnterCriticalSection(&This->cs);
688 LIST_FOR_EACH(cursor, &This->interfaces)
690 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
691 if (IsEqualIID(riid, &ifproxy->iid))
693 *ifproxy_found = ifproxy;
698 LeaveCriticalSection(&This->cs);
703 static void proxy_manager_disconnect(struct proxy_manager * This)
705 struct list * cursor;
707 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
708 wine_dbgstr_longlong(This->oid));
710 EnterCriticalSection(&This->cs);
712 /* SORFP_NOLIFTIMEMGMT proxies (for IRemUnknown) shouldn't be
713 * disconnected - it won't do anything anyway, except cause
714 * problems for other objects that depend on this proxy always
716 if (!(This->sorflags & SORFP_NOLIFETIMEMGMT))
718 LIST_FOR_EACH(cursor, &This->interfaces)
720 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
721 ifproxy_disconnect(ifproxy);
725 /* apartment is being destroyed so don't keep a pointer around to it */
728 LeaveCriticalSection(&This->cs);
731 static HRESULT proxy_manager_get_remunknown(struct proxy_manager * This, IRemUnknown **remunk)
735 /* we don't want to try and unmarshal or use IRemUnknown if we don't want
736 * lifetime management */
737 if (This->sorflags & SORFP_NOLIFETIMEMGMT)
740 EnterCriticalSection(&This->cs);
742 /* already created - return existing object */
743 *remunk = This->remunk;
744 else if (!This->parent)
745 /* disconnected - we can't create IRemUnknown */
750 /* Don't want IRemUnknown lifetime management as this is IRemUnknown!
751 * We also don't care about whether or not the stub is still alive */
752 stdobjref.flags = SORFP_NOLIFETIMEMGMT | SORF_NOPING;
753 stdobjref.cPublicRefs = 1;
754 /* oxid of destination object */
755 stdobjref.oxid = This->oxid;
756 /* FIXME: what should be used for the oid? The DCOM draft doesn't say */
757 stdobjref.oid = (OID)-1;
758 /* FIXME: this is a hack around not having an OXID resolver yet -
759 * the OXID resolver should give us the IPID of the IRemUnknown
761 stdobjref.ipid.Data1 = 0xffffffff;
762 stdobjref.ipid.Data2 = 0xffff;
763 stdobjref.ipid.Data3 = 0xffff;
764 assert(sizeof(stdobjref.ipid.Data4) == sizeof(stdobjref.oxid));
765 memcpy(&stdobjref.ipid.Data4, &stdobjref.oxid, sizeof(OXID));
767 /* do the unmarshal */
768 hr = unmarshal_object(&stdobjref, This->parent, &IID_IRemUnknown, (void**)&This->remunk);
770 *remunk = This->remunk;
772 LeaveCriticalSection(&This->cs);
774 TRACE("got IRemUnknown* pointer %p, hr = 0x%08lx\n", *remunk, hr);
779 /* destroys a proxy manager, freeing the memory it used.
780 * Note: this function should not be called from a list iteration in the
781 * apartment, due to the fact that it removes itself from the apartment and
782 * it could add a proxy to IRemUnknown into the apartment. */
783 static void proxy_manager_destroy(struct proxy_manager * This)
785 struct list * cursor;
787 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
788 wine_dbgstr_longlong(This->oid));
792 EnterCriticalSection(&This->parent->cs);
794 /* remove ourself from the list of proxy objects in the apartment */
795 LIST_FOR_EACH(cursor, &This->parent->proxies)
797 if (cursor == &This->entry)
799 list_remove(&This->entry);
804 LeaveCriticalSection(&This->parent->cs);
807 /* destroy all of the interface proxies */
808 while ((cursor = list_head(&This->interfaces)))
810 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
811 ifproxy_destroy(ifproxy);
814 if (This->remunk) IRemUnknown_Release(This->remunk);
816 DEBUG_CLEAR_CRITSEC_NAME(&This->cs);
817 DeleteCriticalSection(&This->cs);
819 CloseHandle(This->remoting_mutex);
821 HeapFree(GetProcessHeap(), 0, This);
824 /* finds the proxy manager corresponding to a given OXID and OID that has
825 * been unmarshaled in the specified apartment. The caller must release the
826 * reference to the proxy_manager when the object is no longer used. */
827 static BOOL find_proxy_manager(APARTMENT * apt, OXID oxid, OID oid, struct proxy_manager ** proxy_found)
830 struct list * cursor;
832 EnterCriticalSection(&apt->cs);
833 LIST_FOR_EACH(cursor, &apt->proxies)
835 struct proxy_manager * proxy = LIST_ENTRY(cursor, struct proxy_manager, entry);
836 if ((oxid == proxy->oxid) && (oid == proxy->oid))
838 *proxy_found = proxy;
839 ClientIdentity_AddRef((IMultiQI *)&proxy->lpVtbl);
844 LeaveCriticalSection(&apt->cs);
848 HRESULT apartment_disconnectproxies(struct apartment *apt)
850 struct list * cursor;
852 LIST_FOR_EACH(cursor, &apt->proxies)
854 struct proxy_manager * proxy = LIST_ENTRY(cursor, struct proxy_manager, entry);
855 proxy_manager_disconnect(proxy);
861 /********************** StdMarshal implementation ****************************/
862 typedef struct _StdMarshalImpl
864 const IMarshalVtbl *lpvtbl;
869 LPVOID pvDestContext;
873 static HRESULT WINAPI
874 StdMarshalImpl_QueryInterface(LPMARSHAL iface, REFIID riid, LPVOID *ppv)
877 if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
880 IUnknown_AddRef(iface);
883 FIXME("No interface for %s.\n", debugstr_guid(riid));
884 return E_NOINTERFACE;
888 StdMarshalImpl_AddRef(LPMARSHAL iface)
890 StdMarshalImpl *This = (StdMarshalImpl *)iface;
891 return InterlockedIncrement(&This->ref);
895 StdMarshalImpl_Release(LPMARSHAL iface)
897 StdMarshalImpl *This = (StdMarshalImpl *)iface;
898 ULONG ref = InterlockedDecrement(&This->ref);
900 if (!ref) HeapFree(GetProcessHeap(),0,This);
904 static HRESULT WINAPI
905 StdMarshalImpl_GetUnmarshalClass(
906 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
907 void* pvDestContext, DWORD mshlflags, CLSID* pCid)
909 *pCid = CLSID_DfMarshal;
913 static HRESULT WINAPI
914 StdMarshalImpl_GetMarshalSizeMax(
915 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
916 void* pvDestContext, DWORD mshlflags, DWORD* pSize)
918 *pSize = sizeof(STDOBJREF);
922 static HRESULT WINAPI
923 StdMarshalImpl_MarshalInterface(
924 LPMARSHAL iface, IStream *pStm,REFIID riid, void* pv, DWORD dwDestContext,
925 void* pvDestContext, DWORD mshlflags)
930 APARTMENT *apt = COM_CurrentApt();
932 TRACE("(...,%s,...)\n", debugstr_guid(riid));
936 ERR("Apartment not initialized\n");
937 return CO_E_NOTINITIALIZED;
940 /* make sure this apartment can be reached from other threads / processes */
941 RPC_StartRemoting(apt);
943 hres = marshal_object(apt, &stdobjref, riid, (IUnknown *)pv, mshlflags);
946 ERR("Failed to create ifstub, hres=0x%lx\n", hres);
950 hres = IStream_Write(pStm, &stdobjref, sizeof(stdobjref), &res);
951 if (hres) return hres;
956 /* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
957 * no questions asked about the rules surrounding same-apartment unmarshals
958 * and table marshaling */
959 static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt, REFIID riid, void **object)
961 struct proxy_manager *proxy_manager = NULL;
966 TRACE("stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
967 stdobjref->flags, stdobjref->cPublicRefs,
968 wine_dbgstr_longlong(stdobjref->oxid),
969 wine_dbgstr_longlong(stdobjref->oid),
970 debugstr_guid(&stdobjref->ipid));
972 /* create an a new proxy manager if one doesn't already exist for the
974 if (!find_proxy_manager(apt, stdobjref->oxid, stdobjref->oid, &proxy_manager))
976 hr = proxy_manager_construct(apt, stdobjref->flags,
977 stdobjref->oxid, stdobjref->oid,
981 TRACE("proxy manager already created, using\n");
985 struct ifproxy * ifproxy;
986 hr = proxy_manager_find_ifproxy(proxy_manager, riid, &ifproxy);
987 if (hr == E_NOINTERFACE)
989 IRpcChannelBuffer *chanbuf;
990 hr = RPC_CreateClientChannel(&stdobjref->oxid, &stdobjref->ipid, &chanbuf);
992 hr = proxy_manager_create_ifproxy(proxy_manager, stdobjref,
993 riid, chanbuf, &ifproxy);
996 IUnknown_AddRef((IUnknown *)ifproxy->iface);
999 *object = ifproxy->iface;
1002 /* release our reference to the proxy manager - the client/apartment
1003 * will hold on to the remaining reference for us */
1004 if (proxy_manager) ClientIdentity_Release((IMultiQI*)&proxy_manager->lpVtbl);
1009 static HRESULT WINAPI
1010 StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
1012 struct stub_manager *stubmgr;
1013 STDOBJREF stdobjref;
1016 APARTMENT *apt = COM_CurrentApt();
1017 APARTMENT *stub_apt;
1020 TRACE("(...,%s,....)\n", debugstr_guid(riid));
1022 /* we need an apartment to unmarshal into */
1025 ERR("Apartment not initialized\n");
1026 return CO_E_NOTINITIALIZED;
1029 /* read STDOBJREF from wire */
1030 hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
1031 if (hres) return STG_E_READFAULT;
1033 hres = apartment_getoxid(apt, &oxid);
1034 if (hres) return hres;
1036 /* check if we're marshalling back to ourselves */
1037 if ((oxid == stdobjref.oxid) && (stubmgr = get_stub_manager(apt, stdobjref.oid)))
1039 TRACE("Unmarshalling object marshalled in same apartment for iid %s, "
1040 "returning original object %p\n", debugstr_guid(riid), stubmgr->object);
1042 hres = IUnknown_QueryInterface(stubmgr->object, riid, ppv);
1044 /* unref the ifstub. FIXME: only do this on success? */
1045 if (!stub_manager_is_table_marshaled(stubmgr, &stdobjref.ipid))
1046 stub_manager_ext_release(stubmgr, stdobjref.cPublicRefs);
1048 stub_manager_int_release(stubmgr);
1052 /* notify stub manager about unmarshal if process-local object.
1053 * note: if the oxid is not found then we and native will quite happily
1054 * ignore table marshaling and normal marshaling rules regarding number of
1055 * unmarshals, etc, but if you abuse these rules then your proxy could end
1056 * up returning RPC_E_DISCONNECTED. */
1057 if ((stub_apt = apartment_findfromoxid(stdobjref.oxid, TRUE)))
1059 if ((stubmgr = get_stub_manager(stub_apt, stdobjref.oid)))
1061 if (!stub_manager_notify_unmarshal(stubmgr, &stdobjref.ipid))
1062 hres = CO_E_OBJNOTCONNECTED;
1064 stub_manager_int_release(stubmgr);
1068 WARN("Couldn't find object for OXID %s, OID %s, assuming disconnected\n",
1069 wine_dbgstr_longlong(stdobjref.oxid),
1070 wine_dbgstr_longlong(stdobjref.oid));
1071 hres = CO_E_OBJNOTCONNECTED;
1074 apartment_release(stub_apt);
1077 TRACE("Treating unmarshal from OXID %s as inter-process\n",
1078 wine_dbgstr_longlong(stdobjref.oxid));
1081 hres = unmarshal_object(&stdobjref, apt, riid, ppv);
1083 if (hres) WARN("Failed with error 0x%08lx\n", hres);
1084 else TRACE("Successfully created proxy %p\n", *ppv);
1089 static HRESULT WINAPI
1090 StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
1092 STDOBJREF stdobjref;
1095 struct stub_manager *stubmgr;
1098 TRACE("iface=%p, pStm=%p\n", iface, pStm);
1100 hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
1101 if (hres) return STG_E_READFAULT;
1103 TRACE("oxid = %s, oid = %s, ipid = %s\n",
1104 wine_dbgstr_longlong(stdobjref.oxid),
1105 wine_dbgstr_longlong(stdobjref.oid),
1106 wine_dbgstr_guid(&stdobjref.ipid));
1108 if (!(apt = apartment_findfromoxid(stdobjref.oxid, TRUE)))
1110 WARN("Could not map OXID %s to apartment object\n",
1111 wine_dbgstr_longlong(stdobjref.oxid));
1112 return RPC_E_INVALID_OBJREF;
1115 if (!(stubmgr = get_stub_manager(apt, stdobjref.oid)))
1117 ERR("could not map object ID to stub manager, oxid=%s, oid=%s\n",
1118 wine_dbgstr_longlong(stdobjref.oxid), wine_dbgstr_longlong(stdobjref.oid));
1119 return RPC_E_INVALID_OBJREF;
1122 stub_manager_release_marshal_data(stubmgr, stdobjref.cPublicRefs, &stdobjref.ipid);
1124 stub_manager_int_release(stubmgr);
1125 apartment_release(apt);
1130 static HRESULT WINAPI
1131 StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
1133 FIXME("(), stub!\n");
1137 static const IMarshalVtbl VT_StdMarshal =
1139 StdMarshalImpl_QueryInterface,
1140 StdMarshalImpl_AddRef,
1141 StdMarshalImpl_Release,
1142 StdMarshalImpl_GetUnmarshalClass,
1143 StdMarshalImpl_GetMarshalSizeMax,
1144 StdMarshalImpl_MarshalInterface,
1145 StdMarshalImpl_UnmarshalInterface,
1146 StdMarshalImpl_ReleaseMarshalData,
1147 StdMarshalImpl_DisconnectObject
1150 static HRESULT StdMarshalImpl_Construct(REFIID riid, void** ppvObject)
1152 StdMarshalImpl * pStdMarshal =
1153 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(StdMarshalImpl));
1155 return E_OUTOFMEMORY;
1156 pStdMarshal->lpvtbl = &VT_StdMarshal;
1157 pStdMarshal->ref = 0;
1158 return IMarshal_QueryInterface((IMarshal*)pStdMarshal, riid, ppvObject);
1161 /***********************************************************************
1162 * CoGetStandardMarshal [OLE32.@]
1164 * Gets or creates a standard marshal object.
1167 * riid [I] Interface identifier of the pUnk object.
1168 * pUnk [I] Optional. Object to get the marshal object for.
1169 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1170 * pvDestContext [I] Reserved. Must be NULL.
1171 * mshlflags [I] Flags affecting the marshaling process.
1172 * ppMarshal [O] Address where marshal object will be stored.
1176 * Failure: HRESULT code.
1180 * The function retrieves the IMarshal object associated with an object if
1181 * that object is currently an active stub, otherwise a new marshal object is
1184 HRESULT WINAPI CoGetStandardMarshal(REFIID riid, IUnknown *pUnk,
1185 DWORD dwDestContext, LPVOID pvDestContext,
1186 DWORD mshlflags, LPMARSHAL *ppMarshal)
1192 FIXME("(%s,NULL,%lx,%p,%lx,%p), unimplemented yet.\n",
1193 debugstr_guid(riid),dwDestContext,pvDestContext,mshlflags,ppMarshal);
1196 TRACE("(%s,%p,%lx,%p,%lx,%p)\n",
1197 debugstr_guid(riid),pUnk,dwDestContext,pvDestContext,mshlflags,ppMarshal);
1198 *ppMarshal = HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl));
1199 dm = (StdMarshalImpl*) *ppMarshal;
1200 if (!dm) return E_FAIL;
1201 dm->lpvtbl = &VT_StdMarshal;
1205 dm->dwDestContext = dwDestContext;
1206 dm->pvDestContext = pvDestContext;
1207 dm->mshlflags = mshlflags;
1211 /***********************************************************************
1212 * get_marshaler [internal]
1214 * Retrieves an IMarshal interface for an object.
1216 static HRESULT get_marshaler(REFIID riid, IUnknown *pUnk, DWORD dwDestContext,
1217 void *pvDestContext, DWORD mshlFlags,
1218 LPMARSHAL *pMarshal)
1224 hr = IUnknown_QueryInterface(pUnk, &IID_IMarshal, (LPVOID*)pMarshal);
1226 hr = CoGetStandardMarshal(riid, pUnk, dwDestContext, pvDestContext,
1227 mshlFlags, pMarshal);
1231 /***********************************************************************
1232 * get_unmarshaler_from_stream [internal]
1234 * Creates an IMarshal* object according to the data marshaled to the stream.
1235 * The function leaves the stream pointer at the start of the data written
1236 * to the stream by the IMarshal* object.
1238 static HRESULT get_unmarshaler_from_stream(IStream *stream, IMarshal **marshal, IID *iid)
1244 /* read common OBJREF header */
1245 hr = IStream_Read(stream, &objref, FIELD_OFFSET(OBJREF, u_objref), &res);
1246 if (hr || (res != FIELD_OFFSET(OBJREF, u_objref)))
1248 ERR("Failed to read common OBJREF header, 0x%08lx\n", hr);
1249 return STG_E_READFAULT;
1252 /* sanity check on header */
1253 if (objref.signature != OBJREF_SIGNATURE)
1255 ERR("Bad OBJREF signature 0x%08lx\n", objref.signature);
1256 return RPC_E_INVALID_OBJREF;
1259 if (iid) *iid = objref.iid;
1261 /* FIXME: handler marshaling */
1262 if (objref.flags & OBJREF_STANDARD)
1264 TRACE("Using standard unmarshaling\n");
1265 hr = StdMarshalImpl_Construct(&IID_IMarshal, (LPVOID*)marshal);
1267 else if (objref.flags & OBJREF_CUSTOM)
1269 ULONG custom_header_size = FIELD_OFFSET(OBJREF, u_objref.u_custom.pData) -
1270 FIELD_OFFSET(OBJREF, u_objref.u_custom);
1271 TRACE("Using custom unmarshaling\n");
1272 /* read constant sized OR_CUSTOM data from stream */
1273 hr = IStream_Read(stream, &objref.u_objref.u_custom,
1274 custom_header_size, &res);
1275 if (hr || (res != custom_header_size))
1277 ERR("Failed to read OR_CUSTOM header, 0x%08lx\n", hr);
1278 return STG_E_READFAULT;
1280 /* now create the marshaler specified in the stream */
1281 hr = CoCreateInstance(&objref.u_objref.u_custom.clsid, NULL,
1282 CLSCTX_INPROC_SERVER, &IID_IMarshal,
1287 FIXME("Invalid or unimplemented marshaling type specified: %lx\n",
1289 return RPC_E_INVALID_OBJREF;
1293 ERR("Failed to create marshal, 0x%08lx\n", hr);
1298 /***********************************************************************
1299 * CoGetMarshalSizeMax [OLE32.@]
1301 * Gets the maximum amount of data that will be needed by a marshal.
1304 * pulSize [O] Address where maximum marshal size will be stored.
1305 * riid [I] Identifier of the interface to marshal.
1306 * pUnk [I] Pointer to the object to marshal.
1307 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1308 * pvDestContext [I] Reserved. Must be NULL.
1309 * mshlFlags [I] Flags that affect the marshaling. See CoMarshalInterface().
1313 * Failure: HRESULT code.
1316 * CoMarshalInterface().
1318 HRESULT WINAPI CoGetMarshalSizeMax(ULONG *pulSize, REFIID riid, IUnknown *pUnk,
1319 DWORD dwDestContext, void *pvDestContext,
1324 CLSID marshaler_clsid;
1326 hr = get_marshaler(riid, pUnk, dwDestContext, pvDestContext, mshlFlags, &pMarshal);
1330 hr = IMarshal_GetUnmarshalClass(pMarshal, riid, pUnk, dwDestContext,
1331 pvDestContext, mshlFlags, &marshaler_clsid);
1334 ERR("IMarshal::GetUnmarshalClass failed, 0x%08lx\n", hr);
1335 IMarshal_Release(pMarshal);
1339 hr = IMarshal_GetMarshalSizeMax(pMarshal, riid, pUnk, dwDestContext,
1340 pvDestContext, mshlFlags, pulSize);
1341 /* add on the size of the common header */
1342 *pulSize += FIELD_OFFSET(OBJREF, u_objref);
1344 /* if custom marshaling, add on size of custom header */
1345 if (!IsEqualCLSID(&marshaler_clsid, &CLSID_DfMarshal))
1346 *pulSize += FIELD_OFFSET(OBJREF, u_objref.u_custom.pData) -
1347 FIELD_OFFSET(OBJREF, u_objref.u_custom);
1349 IMarshal_Release(pMarshal);
1354 static void dump_MSHLFLAGS(MSHLFLAGS flags)
1356 if (flags & MSHLFLAGS_TABLESTRONG)
1357 TRACE(" MSHLFLAGS_TABLESTRONG");
1358 if (flags & MSHLFLAGS_TABLEWEAK)
1359 TRACE(" MSHLFLAGS_TABLEWEAK");
1360 if (!(flags & (MSHLFLAGS_TABLESTRONG|MSHLFLAGS_TABLEWEAK)))
1361 TRACE(" MSHLFLAGS_NORMAL");
1362 if (flags & MSHLFLAGS_NOPING)
1363 TRACE(" MSHLFLAGS_NOPING");
1366 /***********************************************************************
1367 * CoMarshalInterface [OLE32.@]
1369 * Marshals an interface into a stream so that the object can then be
1370 * unmarshaled from another COM apartment and used remotely.
1373 * pStream [I] Stream the object will be marshaled into.
1374 * riid [I] Identifier of the interface to marshal.
1375 * pUnk [I] Pointer to the object to marshal.
1376 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1377 * pvDestContext [I] Reserved. Must be NULL.
1378 * mshlFlags [I] Flags that affect the marshaling. See notes.
1382 * Failure: HRESULT code.
1386 * The mshlFlags parameter can take one or more of the following flags:
1387 *| MSHLFLAGS_NORMAL - Unmarshal once, releases stub on last proxy release.
1388 *| MSHLFLAGS_TABLESTRONG - Unmarshal many, release when CoReleaseMarshalData() called.
1389 *| MSHLFLAGS_TABLEWEAK - Unmarshal many, releases stub on last proxy release.
1390 *| MSHLFLAGS_NOPING - No automatic garbage collection (and so reduces network traffic).
1392 * If a marshaled object is not unmarshaled, then CoReleaseMarshalData() must
1393 * be called in order to release the resources used in the marshaling.
1396 * CoUnmarshalInterface(), CoReleaseMarshalData().
1398 HRESULT WINAPI CoMarshalInterface(IStream *pStream, REFIID riid, IUnknown *pUnk,
1399 DWORD dwDestContext, void *pvDestContext,
1403 CLSID marshaler_clsid;
1407 TRACE("(%p, %s, %p, %lx, %p,", pStream, debugstr_guid(riid), pUnk,
1408 dwDestContext, pvDestContext);
1409 dump_MSHLFLAGS(mshlFlags);
1413 return E_INVALIDARG;
1415 objref.signature = OBJREF_SIGNATURE;
1418 /* get the marshaler for the specified interface */
1419 hr = get_marshaler(riid, pUnk, dwDestContext, pvDestContext, mshlFlags, &pMarshal);
1422 ERR("Failed to get marshaller, 0x%08lx\n", hr);
1426 hr = IMarshal_GetUnmarshalClass(pMarshal, riid, pUnk, dwDestContext,
1427 pvDestContext, mshlFlags, &marshaler_clsid);
1430 ERR("IMarshal::GetUnmarshalClass failed, 0x%08lx\n", hr);
1434 /* FIXME: implement handler marshaling too */
1435 if (IsEqualCLSID(&marshaler_clsid, &CLSID_DfMarshal))
1437 TRACE("Using standard marshaling\n");
1438 objref.flags = OBJREF_STANDARD;
1440 /* write the common OBJREF header to the stream */
1441 hr = IStream_Write(pStream, &objref, FIELD_OFFSET(OBJREF, u_objref), NULL);
1444 ERR("Failed to write OBJREF header to stream, 0x%08lx\n", hr);
1450 TRACE("Using custom marshaling\n");
1451 objref.flags = OBJREF_CUSTOM;
1452 objref.u_objref.u_custom.clsid = marshaler_clsid;
1453 objref.u_objref.u_custom.cbExtension = 0;
1454 objref.u_objref.u_custom.size = 0;
1455 hr = IMarshal_GetMarshalSizeMax(pMarshal, riid, pUnk, dwDestContext,
1456 pvDestContext, mshlFlags,
1457 &objref.u_objref.u_custom.size);
1460 ERR("Failed to get max size of marshal data, error 0x%08lx\n", hr);
1463 /* write constant sized common header and OR_CUSTOM data into stream */
1464 hr = IStream_Write(pStream, &objref,
1465 FIELD_OFFSET(OBJREF, u_objref.u_custom.pData), NULL);
1468 ERR("Failed to write OR_CUSTOM header to stream with 0x%08lx\n", hr);
1473 TRACE("Calling IMarshal::MarshalInterace\n");
1474 /* call helper object to do the actual marshaling */
1475 hr = IMarshal_MarshalInterface(pMarshal, pStream, riid, pUnk, dwDestContext,
1476 pvDestContext, mshlFlags);
1480 ERR("Failed to marshal the interface %s, %lx\n", debugstr_guid(riid), hr);
1485 IMarshal_Release(pMarshal);
1487 TRACE("completed with hr 0x%08lx\n", hr);
1492 /***********************************************************************
1493 * CoUnmarshalInterface [OLE32.@]
1495 * Unmarshals an object from a stream by creating a proxy to the remote
1496 * object, if necessary.
1500 * pStream [I] Stream containing the marshaled object.
1501 * riid [I] Interface identifier of the object to create a proxy to.
1502 * ppv [O] Address where proxy will be stored.
1507 * Failure: HRESULT code.
1510 * CoMarshalInterface().
1512 HRESULT WINAPI CoUnmarshalInterface(IStream *pStream, REFIID riid, LPVOID *ppv)
1519 TRACE("(%p, %s, %p)\n", pStream, debugstr_guid(riid), ppv);
1521 hr = get_unmarshaler_from_stream(pStream, &pMarshal, &iid);
1525 /* call the helper object to do the actual unmarshaling */
1526 hr = IMarshal_UnmarshalInterface(pMarshal, pStream, &iid, (LPVOID*)&object);
1528 ERR("IMarshal::UnmarshalInterface failed, 0x%08lx\n", hr);
1530 /* IID_NULL means use the interface ID of the marshaled object */
1531 if (!IsEqualIID(riid, &IID_NULL))
1536 if (!IsEqualIID(riid, &iid))
1538 TRACE("requested interface != marshalled interface, additional QI needed\n");
1539 hr = IUnknown_QueryInterface(object, &iid, ppv);
1541 ERR("Couldn't query for interface %s, hr = 0x%08lx\n",
1542 debugstr_guid(riid), hr);
1543 IUnknown_Release(object);
1551 IMarshal_Release(pMarshal);
1553 TRACE("completed with hr 0x%lx\n", hr);
1558 /***********************************************************************
1559 * CoReleaseMarshalData [OLE32.@]
1561 * Releases resources associated with an object that has been marshaled into
1566 * pStream [I] The stream that the object has been marshaled into.
1570 * Failure: HRESULT error code.
1574 * Call this function to release resources associated with a normal or
1575 * table-weak marshal that will not be unmarshaled, and all table-strong
1576 * marshals when they are no longer needed.
1579 * CoMarshalInterface(), CoUnmarshalInterface().
1581 HRESULT WINAPI CoReleaseMarshalData(IStream *pStream)
1586 TRACE("(%p)\n", pStream);
1588 hr = get_unmarshaler_from_stream(pStream, &pMarshal, NULL);
1592 /* call the helper object to do the releasing of marshal data */
1593 hr = IMarshal_ReleaseMarshalData(pMarshal, pStream);
1595 ERR("IMarshal::ReleaseMarshalData failed with error 0x%08lx\n", hr);
1597 IMarshal_Release(pMarshal);
1602 /***********************************************************************
1603 * CoMarshalInterThreadInterfaceInStream [OLE32.@]
1605 * Marshal an interface across threads in the same process.
1608 * riid [I] Identifier of the interface to be marshalled.
1609 * pUnk [I] Pointer to IUnknown-derived interface that will be marshalled.
1610 * ppStm [O] Pointer to IStream object that is created and then used to store the marshalled inteface.
1614 * Failure: E_OUTOFMEMORY and other COM error codes
1617 * CoMarshalInterface(), CoUnmarshalInterface() and CoGetInterfaceAndReleaseStream()
1619 HRESULT WINAPI CoMarshalInterThreadInterfaceInStream(
1620 REFIID riid, LPUNKNOWN pUnk, LPSTREAM * ppStm)
1622 ULARGE_INTEGER xpos;
1623 LARGE_INTEGER seekto;
1626 TRACE("(%s, %p, %p)\n",debugstr_guid(riid), pUnk, ppStm);
1628 hres = CreateStreamOnHGlobal(NULL, TRUE, ppStm);
1629 if (FAILED(hres)) return hres;
1630 hres = CoMarshalInterface(*ppStm, riid, pUnk, MSHCTX_INPROC, NULL, MSHLFLAGS_NORMAL);
1632 if (SUCCEEDED(hres))
1634 memset(&seekto, 0, sizeof(seekto));
1635 IStream_Seek(*ppStm, seekto, SEEK_SET, &xpos);
1639 IStream_Release(*ppStm);
1646 /***********************************************************************
1647 * CoGetInterfaceAndReleaseStream [OLE32.@]
1649 * Unmarshalls an inteface from a stream and then releases the stream.
1652 * pStm [I] Stream that contains the marshalled inteface.
1653 * riid [I] Interface identifier of the object to unmarshall.
1654 * ppv [O] Address of pointer where the requested interface object will be stored.
1658 * Failure: A COM error code
1661 * CoMarshalInterThreadInterfaceInStream() and CoUnmarshalInteface()
1663 HRESULT WINAPI CoGetInterfaceAndReleaseStream(LPSTREAM pStm, REFIID riid,
1668 TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);
1670 hres = CoUnmarshalInterface(pStm, riid, ppv);
1671 IStream_Release(pStm);
1675 static HRESULT WINAPI StdMarshalCF_QueryInterface(LPCLASSFACTORY iface,
1676 REFIID riid, LPVOID *ppv)
1679 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
1681 *ppv = (LPVOID)iface;
1684 return E_NOINTERFACE;
1687 static ULONG WINAPI StdMarshalCF_AddRef(LPCLASSFACTORY iface)
1689 return 2; /* non-heap based object */
1692 static ULONG WINAPI StdMarshalCF_Release(LPCLASSFACTORY iface)
1694 return 1; /* non-heap based object */
1697 static HRESULT WINAPI StdMarshalCF_CreateInstance(LPCLASSFACTORY iface,
1698 LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
1700 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IMarshal))
1701 return StdMarshalImpl_Construct(riid, ppv);
1703 FIXME("(%s), not supported.\n",debugstr_guid(riid));
1704 return E_NOINTERFACE;
1707 static HRESULT WINAPI StdMarshalCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
1709 FIXME("(%d), stub!\n",fLock);
1713 static const IClassFactoryVtbl StdMarshalCFVtbl =
1715 StdMarshalCF_QueryInterface,
1716 StdMarshalCF_AddRef,
1717 StdMarshalCF_Release,
1718 StdMarshalCF_CreateInstance,
1719 StdMarshalCF_LockServer
1721 static const IClassFactoryVtbl *StdMarshalCF = &StdMarshalCFVtbl;
1723 HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv)
1725 *ppv = &StdMarshalCF;
1729 /***********************************************************************
1730 * CoMarshalHresult [OLE32.@]
1732 * Marshals an HRESULT value into a stream.
1735 * pStm [I] Stream that hresult will be marshalled into.
1736 * hresult [I] HRESULT to be marshalled.
1740 * Failure: A COM error code
1743 * CoUnmarshalHresult().
1745 HRESULT WINAPI CoMarshalHresult(LPSTREAM pStm, HRESULT hresult)
1747 return IStream_Write(pStm, &hresult, sizeof(hresult), NULL);
1750 /***********************************************************************
1751 * CoUnmarshalHresult [OLE32.@]
1753 * Unmarshals an HRESULT value from a stream.
1756 * pStm [I] Stream that hresult will be unmarshalled from.
1757 * phresult [I] Pointer to HRESULT where the value will be unmarshalled to.
1761 * Failure: A COM error code
1764 * CoMarshalHresult().
1766 HRESULT WINAPI CoUnmarshalHresult(LPSTREAM pStm, HRESULT * phresult)
1768 return IStream_Read(pStm, phresult, sizeof(*phresult), NULL);