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 = IUnknown_QueryInterface(object, riid, (void **)&iobject);
104 ERR("object doesn't expose interface %s, failing with error 0x%08lx\n",
105 debugstr_guid(riid), hr);
106 return E_NOINTERFACE;
109 /* IUnknown doesn't require a stub buffer, because it never goes out on
111 if (!IsEqualIID(riid, &IID_IUnknown))
113 IPSFactoryBuffer *psfb;
115 hr = get_facbuf_for_iid(riid, &psfb);
118 ERR("couldn't get IPSFactory buffer for interface %s\n", debugstr_guid(riid));
119 IUnknown_Release(iobject);
123 hr = IPSFactoryBuffer_CreateStub(psfb, riid, iobject, &stub);
124 IPSFactoryBuffer_Release(psfb);
127 ERR("Failed to create an IRpcStubBuffer from IPSFactory for %s\n", debugstr_guid(riid));
128 IUnknown_Release(iobject);
133 if (mshlflags & MSHLFLAGS_NOPING)
134 stdobjref->flags = SORF_NOPING;
136 stdobjref->flags = SORF_NULL;
138 if ((manager = get_stub_manager_from_object(apt, object)))
139 TRACE("registering new ifstub on pre-existing manager\n");
142 TRACE("constructing new stub manager\n");
144 manager = new_stub_manager(apt, object);
147 if (stub) IRpcStubBuffer_Release(stub);
148 IUnknown_Release(iobject);
149 return E_OUTOFMEMORY;
152 stdobjref->oid = manager->oid;
154 tablemarshal = ((mshlflags & MSHLFLAGS_TABLESTRONG) || (mshlflags & MSHLFLAGS_TABLEWEAK));
156 /* make sure ifstub that we are creating is unique */
157 ifstub = stub_manager_find_ifstub(manager, riid, mshlflags);
160 ifstub = stub_manager_new_ifstub(manager, stub, iobject, riid, mshlflags);
161 IUnknown_Release(iobject);
162 if (stub) IRpcStubBuffer_Release(stub);
165 stub_manager_int_release(manager);
166 /* FIXME: should we do another release to completely destroy the
168 return E_OUTOFMEMORY;
174 stdobjref->cPublicRefs = NORMALEXTREFS;
175 stub_manager_ext_addref(manager, stdobjref->cPublicRefs);
179 stdobjref->cPublicRefs = 0;
180 if (mshlflags & MSHLFLAGS_TABLESTRONG)
181 stub_manager_ext_addref(manager, 1);
184 /* FIXME: check return value */
185 RPC_RegisterInterface(riid);
187 stdobjref->ipid = ifstub->ipid;
189 stub_manager_int_release(manager);
195 /* Client-side identity of the server object */
197 static HRESULT proxy_manager_get_remunknown(struct proxy_manager * This, IRemUnknown **remunk);
198 static void proxy_manager_destroy(struct proxy_manager * This);
199 static HRESULT proxy_manager_find_ifproxy(struct proxy_manager * This, REFIID riid, struct ifproxy ** ifproxy_found);
200 static HRESULT proxy_manager_query_local_interface(struct proxy_manager * This, REFIID riid, void ** ppv);
202 static HRESULT WINAPI ClientIdentity_QueryInterface(IMultiQI * iface, REFIID riid, void ** ppv)
207 TRACE("%s\n", debugstr_guid(riid));
210 hr = IMultiQI_QueryMultipleInterfaces(iface, 1, &mqi);
211 *ppv = (void *)mqi.pItf;
216 static ULONG WINAPI ClientIdentity_AddRef(IMultiQI * iface)
218 struct proxy_manager * This = (struct proxy_manager *)iface;
219 TRACE("%p - before %ld\n", iface, This->refs);
220 return InterlockedIncrement(&This->refs);
223 static ULONG WINAPI ClientIdentity_Release(IMultiQI * iface)
225 struct proxy_manager * This = (struct proxy_manager *)iface;
226 ULONG refs = InterlockedDecrement(&This->refs);
227 TRACE("%p - after %ld\n", iface, refs);
229 proxy_manager_destroy(This);
233 static HRESULT WINAPI ClientIdentity_QueryMultipleInterfaces(IMultiQI *iface, ULONG cMQIs, MULTI_QI *pMQIs)
235 struct proxy_manager * This = (struct proxy_manager *)iface;
236 REMQIRESULT *qiresults = NULL;
237 ULONG nonlocal_mqis = 0;
239 ULONG successful_mqis = 0;
240 IID *iids = HeapAlloc(GetProcessHeap(), 0, cMQIs * sizeof(*iids));
241 /* mapping of RemQueryInterface index to QueryMultipleInterfaces index */
242 ULONG *mapping = HeapAlloc(GetProcessHeap(), 0, cMQIs * sizeof(*mapping));
244 TRACE("cMQIs: %ld\n", cMQIs);
246 /* try to get a local interface - this includes already active proxy
247 * interfaces and also interfaces exposed by the proxy manager */
248 for (i = 0; i < cMQIs; i++)
250 TRACE("iid[%ld] = %s\n", i, debugstr_guid(pMQIs[i].pIID));
251 pMQIs[i].hr = proxy_manager_query_local_interface(This, pMQIs[i].pIID, (void **)&pMQIs[i].pItf);
252 if (pMQIs[i].hr == S_OK)
256 iids[nonlocal_mqis] = *pMQIs[i].pIID;
257 mapping[nonlocal_mqis] = i;
262 TRACE("%ld interfaces not found locally\n", nonlocal_mqis);
264 /* if we have more than one interface not found locally then we must try
265 * to query the remote object for it */
266 if (nonlocal_mqis != 0)
272 /* get the ipid of the first entry */
273 /* FIXME: should we implement ClientIdentity on the ifproxies instead
274 * of the proxy_manager so we use the correct ipid here? */
275 ipid = &LIST_ENTRY(list_head(&This->interfaces), struct ifproxy, entry)->stdobjref.ipid;
277 /* get IRemUnknown proxy so we can communicate with the remote object */
278 hr = proxy_manager_get_remunknown(This, &remunk);
282 hr = IRemUnknown_RemQueryInterface(remunk, ipid, NORMALEXTREFS,
283 nonlocal_mqis, iids, &qiresults);
285 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08lx\n", hr);
288 /* IRemUnknown_RemQueryInterface can return S_FALSE if only some of
289 * the interfaces were returned */
292 /* try to unmarshal each object returned to us */
293 for (i = 0; i < nonlocal_mqis; i++)
295 ULONG index = mapping[i];
296 HRESULT hrobj = qiresults[i].hResult;
298 hrobj = unmarshal_object(&qiresults[i].std, This->parent,
300 (void **)&pMQIs[index].pItf);
305 ERR("Failed to get pointer to interface %s\n", debugstr_guid(pMQIs[index].pIID));
306 pMQIs[index].hr = hrobj;
310 /* free the memory allocated by the proxy */
311 CoTaskMemFree(qiresults);
314 TRACE("%ld/%ld successfully queried\n", successful_mqis, cMQIs);
316 HeapFree(GetProcessHeap(), 0, iids);
317 HeapFree(GetProcessHeap(), 0, mapping);
319 if (successful_mqis == cMQIs)
320 return S_OK; /* we got all requested interfaces */
321 else if (successful_mqis == 0)
322 return E_NOINTERFACE; /* we didn't get any interfaces */
324 return S_FALSE; /* we got some interfaces */
327 static const IMultiQIVtbl ClientIdentity_Vtbl =
329 ClientIdentity_QueryInterface,
330 ClientIdentity_AddRef,
331 ClientIdentity_Release,
332 ClientIdentity_QueryMultipleInterfaces
335 static HRESULT WINAPI Proxy_QueryInterface(IMarshal *iface, REFIID riid, void **ppvObject)
337 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
338 return IMultiQI_QueryInterface((IMultiQI *)&This->lpVtbl, riid, ppvObject);
341 static ULONG WINAPI Proxy_AddRef(IMarshal *iface)
343 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
344 return IMultiQI_AddRef((IMultiQI *)&This->lpVtbl);
347 /* FIXME: remove these */
348 static HRESULT WINAPI StdMarshalImpl_GetUnmarshalClass(LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext, void* pvDestContext, DWORD mshlflags, CLSID* pCid);
349 static HRESULT WINAPI StdMarshalImpl_GetMarshalSizeMax(LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext, void* pvDestContext, DWORD mshlflags, DWORD* pSize);
350 static HRESULT WINAPI StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv);
351 static HRESULT WINAPI StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm);
352 static HRESULT WINAPI StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved);
354 static ULONG WINAPI Proxy_Release(IMarshal *iface)
356 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
357 return IMultiQI_Release((IMultiQI *)&This->lpVtbl);
360 static HRESULT WINAPI Proxy_MarshalInterface(
361 LPMARSHAL iface, IStream *pStm, REFIID riid, void* pv, DWORD dwDestContext,
362 void* pvDestContext, DWORD mshlflags)
364 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
368 struct ifproxy *ifproxy;
370 TRACE("(...,%s,...)\n", debugstr_guid(riid));
372 hr = proxy_manager_find_ifproxy(This, riid, &ifproxy);
375 ERR("couldn't find proxy for interface %s, error 0x%08lx\n", debugstr_guid(riid), hr);
379 stdobjref = ifproxy->stdobjref;
380 /* FIXME: optimization - share out proxy's public references if possible
381 * instead of making new proxy do a roundtrip through the server */
382 stdobjref.cPublicRefs = 0; /* InterlockedDecrement(&This->stdobjref.cPublicRefs) >= 0 ? 1 : 0 */
383 hr = IStream_Write(pStm, &stdobjref, sizeof(stdobjref), &res);
388 static const IMarshalVtbl ProxyMarshal_Vtbl =
390 Proxy_QueryInterface,
393 StdMarshalImpl_GetUnmarshalClass,
394 StdMarshalImpl_GetMarshalSizeMax,
395 Proxy_MarshalInterface,
396 StdMarshalImpl_UnmarshalInterface,
397 StdMarshalImpl_ReleaseMarshalData,
398 StdMarshalImpl_DisconnectObject
401 static HRESULT ifproxy_get_public_ref(struct ifproxy * This)
405 if (WAIT_OBJECT_0 != WaitForSingleObject(This->parent->remoting_mutex, INFINITE))
407 ERR("Wait failed for ifproxy %p\n", This);
413 IRemUnknown *remunk = NULL;
415 TRACE("getting public ref for ifproxy %p\n", This);
417 hr = proxy_manager_get_remunknown(This->parent, &remunk);
422 rif.ipid = This->stdobjref.ipid;
423 rif.cPublicRefs = NORMALEXTREFS;
424 rif.cPrivateRefs = 0;
425 hr = IRemUnknown_RemAddRef(remunk, 1, &rif, &hrref);
426 if (hr == S_OK && hrref == S_OK)
427 This->refs += NORMALEXTREFS;
429 ERR("IRemUnknown_RemAddRef returned with 0x%08lx, hrref = 0x%08lx\n", hr, hrref);
432 ReleaseMutex(This->parent->remoting_mutex);
437 static HRESULT ifproxy_release_public_refs(struct ifproxy * This)
441 if (WAIT_OBJECT_0 != WaitForSingleObject(This->parent->remoting_mutex, INFINITE))
443 ERR("Wait failed for ifproxy %p\n", This);
449 IRemUnknown *remunk = NULL;
451 TRACE("releasing %ld refs\n", This->refs);
453 hr = proxy_manager_get_remunknown(This->parent, &remunk);
457 rif.ipid = This->stdobjref.ipid;
458 rif.cPublicRefs = This->refs;
459 rif.cPrivateRefs = 0;
460 hr = IRemUnknown_RemRelease(remunk, 1, &rif);
463 else if (hr == RPC_E_DISCONNECTED)
464 WARN("couldn't release references because object was "
465 "disconnected: oxid = %s, oid = %s\n",
466 wine_dbgstr_longlong(This->parent->oxid),
467 wine_dbgstr_longlong(This->parent->oid));
469 ERR("IRemUnknown_RemRelease failed with error 0x%08lx\n", hr);
472 ReleaseMutex(This->parent->remoting_mutex);
477 /* should be called inside This->parent->cs critical section */
478 static void ifproxy_disconnect(struct ifproxy * This)
480 ifproxy_release_public_refs(This);
481 if (This->proxy) IRpcProxyBuffer_Disconnect(This->proxy);
483 IRpcChannelBuffer_Release(This->chan);
487 /* should be called in This->parent->cs critical section if it is an entry in parent's list */
488 static void ifproxy_destroy(struct ifproxy * This)
492 /* release public references to this object so that the stub can know
493 * when to destroy itself */
494 ifproxy_release_public_refs(This);
496 list_remove(&This->entry);
500 IRpcChannelBuffer_Release(This->chan);
504 /* note: we don't call Release for This->proxy because its lifetime is
505 * controlled by the return value from ClientIdentity_Release, which this
506 * function is always called from */
508 HeapFree(GetProcessHeap(), 0, This);
511 static HRESULT proxy_manager_construct(
512 APARTMENT * apt, ULONG sorflags, OXID oxid, OID oid,
513 struct proxy_manager ** proxy_manager)
515 struct proxy_manager * This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
516 if (!This) return E_OUTOFMEMORY;
518 This->remoting_mutex = CreateMutexW(NULL, FALSE, NULL);
519 if (!This->remoting_mutex)
521 HeapFree(GetProcessHeap(), 0, This);
522 return HRESULT_FROM_WIN32(GetLastError());
525 This->lpVtbl = &ClientIdentity_Vtbl;
526 This->lpVtblMarshal = &ProxyMarshal_Vtbl;
528 list_init(&This->entry);
529 list_init(&This->interfaces);
531 InitializeCriticalSection(&This->cs);
532 DEBUG_SET_CRITSEC_NAME(&This->cs, "proxy_manager");
534 /* the apartment the object was unmarshaled into */
537 /* the source apartment and id of the object */
543 /* the DCOM draft specification states that the SORF_NOPING flag is
544 * proxy manager specific, not ifproxy specific, so this implies that we
545 * should store the STDOBJREF flags here in the proxy manager. */
546 This->sorflags = sorflags;
548 /* we create the IRemUnknown proxy on demand */
551 EnterCriticalSection(&apt->cs);
552 /* FIXME: we are dependent on the ordering in here to make sure a proxy's
553 * IRemUnknown proxy doesn't get destroyed before the regual proxy does
554 * because we need the IRemUnknown proxy during the destruction of the
555 * regular proxy. Ideally, we should maintain a separate list for the
556 * IRemUnknown proxies that need late destruction */
557 list_add_tail(&apt->proxies, &This->entry);
558 LeaveCriticalSection(&apt->cs);
560 TRACE("%p created for OXID %s, OID %s\n", This,
561 wine_dbgstr_longlong(oxid), wine_dbgstr_longlong(oid));
563 *proxy_manager = This;
567 static HRESULT proxy_manager_query_local_interface(struct proxy_manager * This, REFIID riid, void ** ppv)
570 struct ifproxy * ifproxy;
572 TRACE("%s\n", debugstr_guid(riid));
574 if (IsEqualIID(riid, &IID_IUnknown) ||
575 IsEqualIID(riid, &IID_IMultiQI))
577 *ppv = (void *)&This->lpVtbl;
578 IUnknown_AddRef((IUnknown *)*ppv);
581 if (IsEqualIID(riid, &IID_IMarshal))
583 *ppv = (void *)&This->lpVtblMarshal;
584 IUnknown_AddRef((IUnknown *)*ppv);
587 if (IsEqualIID(riid, &IID_IClientSecurity))
589 FIXME("requesting IClientSecurity, but it is unimplemented\n");
591 return E_NOINTERFACE;
594 hr = proxy_manager_find_ifproxy(This, riid, &ifproxy);
597 *ppv = ifproxy->iface;
598 IUnknown_AddRef((IUnknown *)*ppv);
603 return E_NOINTERFACE;
606 static HRESULT proxy_manager_create_ifproxy(
607 struct proxy_manager * This, const STDOBJREF *stdobjref, REFIID riid,
608 IRpcChannelBuffer * channel, struct ifproxy ** iif_out)
611 IPSFactoryBuffer * psfb;
612 struct ifproxy * ifproxy = HeapAlloc(GetProcessHeap(), 0, sizeof(*ifproxy));
613 if (!ifproxy) return E_OUTOFMEMORY;
615 list_init(&ifproxy->entry);
617 ifproxy->parent = This;
618 ifproxy->stdobjref = *stdobjref;
619 ifproxy->iid = *riid;
620 ifproxy->refs = stdobjref->cPublicRefs;
621 ifproxy->proxy = NULL;
624 ifproxy->chan = channel; /* FIXME: we should take the binding strings and construct the channel in this function */
626 /* the IUnknown interface is special because it does not have a
627 * proxy associated with the ifproxy as we handle IUnknown ourselves */
628 if (IsEqualIID(riid, &IID_IUnknown))
630 ifproxy->iface = (void *)&This->lpVtbl;
631 IMultiQI_AddRef((IMultiQI *)&This->lpVtbl);
636 hr = get_facbuf_for_iid(riid, &psfb);
639 /* important note: the outer unknown is set to the proxy manager.
640 * This ensures the COM identity rules are not violated, by having a
641 * one-to-one mapping of objects on the proxy side to objects on the
642 * stub side, no matter which interface you view the object through */
643 hr = IPSFactoryBuffer_CreateProxy(psfb, (IUnknown *)&This->lpVtbl, riid,
644 &ifproxy->proxy, &ifproxy->iface);
645 IPSFactoryBuffer_Release(psfb);
647 ERR("Could not create proxy for interface %s, error 0x%08lx\n",
648 debugstr_guid(riid), hr);
651 ERR("Could not get IPSFactoryBuffer for interface %s, error 0x%08lx\n",
652 debugstr_guid(riid), hr);
655 hr = IRpcProxyBuffer_Connect(ifproxy->proxy, ifproxy->chan);
658 /* get at least one external reference to the object to keep it alive */
660 hr = ifproxy_get_public_ref(ifproxy);
664 EnterCriticalSection(&This->cs);
665 list_add_tail(&This->interfaces, &ifproxy->entry);
666 LeaveCriticalSection(&This->cs);
669 TRACE("ifproxy %p created for IPID %s, interface %s with %lu public refs\n",
670 ifproxy, debugstr_guid(&stdobjref->ipid), debugstr_guid(riid), stdobjref->cPublicRefs);
673 ifproxy_destroy(ifproxy);
678 static HRESULT proxy_manager_find_ifproxy(struct proxy_manager * This, REFIID riid, struct ifproxy ** ifproxy_found)
680 HRESULT hr = E_NOINTERFACE; /* assume not found */
681 struct list * cursor;
683 EnterCriticalSection(&This->cs);
684 LIST_FOR_EACH(cursor, &This->interfaces)
686 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
687 if (IsEqualIID(riid, &ifproxy->iid))
689 *ifproxy_found = ifproxy;
694 LeaveCriticalSection(&This->cs);
699 static void proxy_manager_disconnect(struct proxy_manager * This)
701 struct list * cursor;
703 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
704 wine_dbgstr_longlong(This->oid));
706 EnterCriticalSection(&This->cs);
708 /* SORFP_NOLIFTIMEMGMT proxies (for IRemUnknown) shouldn't be
709 * disconnected - it won't do anything anyway, except cause
710 * problems for other objects that depend on this proxy always
712 if (!(This->sorflags & SORFP_NOLIFETIMEMGMT))
714 LIST_FOR_EACH(cursor, &This->interfaces)
716 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
717 ifproxy_disconnect(ifproxy);
721 /* apartment is being destroyed so don't keep a pointer around to it */
724 LeaveCriticalSection(&This->cs);
727 static HRESULT proxy_manager_get_remunknown(struct proxy_manager * This, IRemUnknown **remunk)
731 /* we don't want to try and unmarshal or use IRemUnknown if we don't want
732 * lifetime management */
733 if (This->sorflags & SORFP_NOLIFETIMEMGMT)
736 EnterCriticalSection(&This->cs);
738 /* already created - return existing object */
739 *remunk = This->remunk;
740 else if (!This->parent)
741 /* disconnected - we can't create IRemUnknown */
746 /* Don't want IRemUnknown lifetime management as this is IRemUnknown!
747 * We also don't care about whether or not the stub is still alive */
748 stdobjref.flags = SORFP_NOLIFETIMEMGMT | SORF_NOPING;
749 stdobjref.cPublicRefs = 1;
750 /* oxid of destination object */
751 stdobjref.oxid = This->oxid;
752 /* FIXME: what should be used for the oid? The DCOM draft doesn't say */
753 stdobjref.oid = (OID)-1;
754 /* FIXME: this is a hack around not having an OXID resolver yet -
755 * the OXID resolver should give us the IPID of the IRemUnknown
757 stdobjref.ipid.Data1 = 0xffffffff;
758 stdobjref.ipid.Data2 = 0xffff;
759 stdobjref.ipid.Data3 = 0xffff;
760 assert(sizeof(stdobjref.ipid.Data4) == sizeof(stdobjref.oxid));
761 memcpy(&stdobjref.ipid.Data4, &stdobjref.oxid, sizeof(OXID));
763 /* do the unmarshal */
764 hr = unmarshal_object(&stdobjref, This->parent, &IID_IRemUnknown, (void**)&This->remunk);
766 *remunk = This->remunk;
768 LeaveCriticalSection(&This->cs);
770 TRACE("got IRemUnknown* pointer %p, hr = 0x%08lx\n", *remunk, hr);
775 /* destroys a proxy manager, freeing the memory it used.
776 * Note: this function should not be called from a list iteration in the
777 * apartment, due to the fact that it removes itself from the apartment and
778 * it could add a proxy to IRemUnknown into the apartment. */
779 static void proxy_manager_destroy(struct proxy_manager * This)
781 struct list * cursor;
783 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
784 wine_dbgstr_longlong(This->oid));
788 EnterCriticalSection(&This->parent->cs);
790 /* remove ourself from the list of proxy objects in the apartment */
791 LIST_FOR_EACH(cursor, &This->parent->proxies)
793 if (cursor == &This->entry)
795 list_remove(&This->entry);
800 LeaveCriticalSection(&This->parent->cs);
803 /* destroy all of the interface proxies */
804 while ((cursor = list_head(&This->interfaces)))
806 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
807 ifproxy_destroy(ifproxy);
810 if (This->remunk) IRemUnknown_Release(This->remunk);
812 DEBUG_CLEAR_CRITSEC_NAME(&This->cs);
813 DeleteCriticalSection(&This->cs);
815 CloseHandle(This->remoting_mutex);
817 HeapFree(GetProcessHeap(), 0, This);
820 /* finds the proxy manager corresponding to a given OXID and OID that has
821 * been unmarshaled in the specified apartment. The caller must release the
822 * reference to the proxy_manager when the object is no longer used. */
823 static BOOL find_proxy_manager(APARTMENT * apt, OXID oxid, OID oid, struct proxy_manager ** proxy_found)
826 struct list * cursor;
828 EnterCriticalSection(&apt->cs);
829 LIST_FOR_EACH(cursor, &apt->proxies)
831 struct proxy_manager * proxy = LIST_ENTRY(cursor, struct proxy_manager, entry);
832 if ((oxid == proxy->oxid) && (oid == proxy->oid))
834 *proxy_found = proxy;
835 ClientIdentity_AddRef((IMultiQI *)&proxy->lpVtbl);
840 LeaveCriticalSection(&apt->cs);
844 HRESULT apartment_disconnectproxies(struct apartment *apt)
846 struct list * cursor;
848 LIST_FOR_EACH(cursor, &apt->proxies)
850 struct proxy_manager * proxy = LIST_ENTRY(cursor, struct proxy_manager, entry);
851 proxy_manager_disconnect(proxy);
857 /********************** StdMarshal implementation ****************************/
858 typedef struct _StdMarshalImpl
860 const IMarshalVtbl *lpvtbl;
865 LPVOID pvDestContext;
869 static HRESULT WINAPI
870 StdMarshalImpl_QueryInterface(LPMARSHAL iface, REFIID riid, LPVOID *ppv)
873 if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
876 IUnknown_AddRef(iface);
879 FIXME("No interface for %s.\n", debugstr_guid(riid));
880 return E_NOINTERFACE;
884 StdMarshalImpl_AddRef(LPMARSHAL iface)
886 StdMarshalImpl *This = (StdMarshalImpl *)iface;
887 return InterlockedIncrement(&This->ref);
891 StdMarshalImpl_Release(LPMARSHAL iface)
893 StdMarshalImpl *This = (StdMarshalImpl *)iface;
894 ULONG ref = InterlockedDecrement(&This->ref);
896 if (!ref) HeapFree(GetProcessHeap(),0,This);
900 static HRESULT WINAPI
901 StdMarshalImpl_GetUnmarshalClass(
902 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
903 void* pvDestContext, DWORD mshlflags, CLSID* pCid)
905 *pCid = CLSID_DfMarshal;
909 static HRESULT WINAPI
910 StdMarshalImpl_GetMarshalSizeMax(
911 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
912 void* pvDestContext, DWORD mshlflags, DWORD* pSize)
914 *pSize = sizeof(STDOBJREF);
918 static HRESULT WINAPI
919 StdMarshalImpl_MarshalInterface(
920 LPMARSHAL iface, IStream *pStm,REFIID riid, void* pv, DWORD dwDestContext,
921 void* pvDestContext, DWORD mshlflags)
926 APARTMENT *apt = COM_CurrentApt();
928 TRACE("(...,%s,...)\n", debugstr_guid(riid));
932 ERR("Apartment not initialized\n");
933 return CO_E_NOTINITIALIZED;
936 /* make sure this apartment can be reached from other threads / processes */
937 RPC_StartRemoting(apt);
939 hres = marshal_object(apt, &stdobjref, riid, (IUnknown *)pv, mshlflags);
942 ERR("Failed to create ifstub, hres=0x%lx\n", hres);
946 hres = IStream_Write(pStm, &stdobjref, sizeof(stdobjref), &res);
947 if (hres) return hres;
952 /* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
953 * no questions asked about the rules surrounding same-apartment unmarshals
954 * and table marshaling */
955 static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt, REFIID riid, void **object)
957 struct proxy_manager *proxy_manager = NULL;
962 TRACE("stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
963 stdobjref->flags, stdobjref->cPublicRefs,
964 wine_dbgstr_longlong(stdobjref->oxid),
965 wine_dbgstr_longlong(stdobjref->oid),
966 debugstr_guid(&stdobjref->ipid));
968 /* create an a new proxy manager if one doesn't already exist for the
970 if (!find_proxy_manager(apt, stdobjref->oxid, stdobjref->oid, &proxy_manager))
972 hr = proxy_manager_construct(apt, stdobjref->flags,
973 stdobjref->oxid, stdobjref->oid,
977 TRACE("proxy manager already created, using\n");
981 struct ifproxy * ifproxy;
982 hr = proxy_manager_find_ifproxy(proxy_manager, riid, &ifproxy);
983 if (hr == E_NOINTERFACE)
985 IRpcChannelBuffer *chanbuf;
986 hr = RPC_CreateClientChannel(&stdobjref->oxid, &stdobjref->ipid, &chanbuf);
988 hr = proxy_manager_create_ifproxy(proxy_manager, stdobjref,
989 riid, chanbuf, &ifproxy);
992 IUnknown_AddRef((IUnknown *)ifproxy->iface);
995 *object = ifproxy->iface;
998 /* release our reference to the proxy manager - the client/apartment
999 * will hold on to the remaining reference for us */
1000 if (proxy_manager) ClientIdentity_Release((IMultiQI*)&proxy_manager->lpVtbl);
1005 static HRESULT WINAPI
1006 StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
1008 struct stub_manager *stubmgr;
1009 STDOBJREF stdobjref;
1012 APARTMENT *apt = COM_CurrentApt();
1013 APARTMENT *stub_apt;
1016 TRACE("(...,%s,....)\n", debugstr_guid(riid));
1018 /* we need an apartment to unmarshal into */
1021 ERR("Apartment not initialized\n");
1022 return CO_E_NOTINITIALIZED;
1025 /* read STDOBJREF from wire */
1026 hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
1027 if (hres) return STG_E_READFAULT;
1029 hres = apartment_getoxid(apt, &oxid);
1030 if (hres) return hres;
1032 /* check if we're marshalling back to ourselves */
1033 if ((oxid == stdobjref.oxid) && (stubmgr = get_stub_manager(apt, stdobjref.oid)))
1035 TRACE("Unmarshalling object marshalled in same apartment for iid %s, "
1036 "returning original object %p\n", debugstr_guid(riid), stubmgr->object);
1038 hres = IUnknown_QueryInterface(stubmgr->object, riid, ppv);
1040 /* unref the ifstub. FIXME: only do this on success? */
1041 if (!stub_manager_is_table_marshaled(stubmgr, &stdobjref.ipid))
1042 stub_manager_ext_release(stubmgr, stdobjref.cPublicRefs);
1044 stub_manager_int_release(stubmgr);
1048 /* notify stub manager about unmarshal if process-local object.
1049 * note: if the oxid is not found then we and native will quite happily
1050 * ignore table marshaling and normal marshaling rules regarding number of
1051 * unmarshals, etc, but if you abuse these rules then your proxy could end
1052 * up returning RPC_E_DISCONNECTED. */
1053 if ((stub_apt = apartment_findfromoxid(stdobjref.oxid, TRUE)))
1055 if ((stubmgr = get_stub_manager(stub_apt, stdobjref.oid)))
1057 if (!stub_manager_notify_unmarshal(stubmgr, &stdobjref.ipid))
1058 hres = CO_E_OBJNOTCONNECTED;
1060 stub_manager_int_release(stubmgr);
1064 WARN("Couldn't find object for OXID %s, OID %s, assuming disconnected\n",
1065 wine_dbgstr_longlong(stdobjref.oxid),
1066 wine_dbgstr_longlong(stdobjref.oid));
1067 hres = CO_E_OBJNOTCONNECTED;
1070 apartment_release(stub_apt);
1073 TRACE("Treating unmarshal from OXID %s as inter-process\n",
1074 wine_dbgstr_longlong(stdobjref.oxid));
1077 hres = unmarshal_object(&stdobjref, apt, riid, ppv);
1079 if (hres) WARN("Failed with error 0x%08lx\n", hres);
1080 else TRACE("Successfully created proxy %p\n", *ppv);
1085 static HRESULT WINAPI
1086 StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
1088 STDOBJREF stdobjref;
1091 struct stub_manager *stubmgr;
1094 TRACE("iface=%p, pStm=%p\n", iface, pStm);
1096 hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
1097 if (hres) return STG_E_READFAULT;
1099 TRACE("oxid = %s, oid = %s, ipid = %s\n",
1100 wine_dbgstr_longlong(stdobjref.oxid),
1101 wine_dbgstr_longlong(stdobjref.oid),
1102 wine_dbgstr_guid(&stdobjref.ipid));
1104 if (!(apt = apartment_findfromoxid(stdobjref.oxid, TRUE)))
1106 WARN("Could not map OXID %s to apartment object\n",
1107 wine_dbgstr_longlong(stdobjref.oxid));
1108 return RPC_E_INVALID_OBJREF;
1111 if (!(stubmgr = get_stub_manager(apt, stdobjref.oid)))
1113 ERR("could not map object ID to stub manager, oxid=%s, oid=%s\n",
1114 wine_dbgstr_longlong(stdobjref.oxid), wine_dbgstr_longlong(stdobjref.oid));
1115 return RPC_E_INVALID_OBJREF;
1118 stub_manager_release_marshal_data(stubmgr, stdobjref.cPublicRefs, &stdobjref.ipid);
1120 stub_manager_int_release(stubmgr);
1121 apartment_release(apt);
1126 static HRESULT WINAPI
1127 StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
1129 FIXME("(), stub!\n");
1133 static const IMarshalVtbl VT_StdMarshal =
1135 StdMarshalImpl_QueryInterface,
1136 StdMarshalImpl_AddRef,
1137 StdMarshalImpl_Release,
1138 StdMarshalImpl_GetUnmarshalClass,
1139 StdMarshalImpl_GetMarshalSizeMax,
1140 StdMarshalImpl_MarshalInterface,
1141 StdMarshalImpl_UnmarshalInterface,
1142 StdMarshalImpl_ReleaseMarshalData,
1143 StdMarshalImpl_DisconnectObject
1146 static HRESULT StdMarshalImpl_Construct(REFIID riid, void** ppvObject)
1148 StdMarshalImpl * pStdMarshal =
1149 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(StdMarshalImpl));
1151 return E_OUTOFMEMORY;
1152 pStdMarshal->lpvtbl = &VT_StdMarshal;
1153 pStdMarshal->ref = 0;
1154 return IMarshal_QueryInterface((IMarshal*)pStdMarshal, riid, ppvObject);
1157 /***********************************************************************
1158 * CoGetStandardMarshal [OLE32.@]
1160 * Gets or creates a standard marshal object.
1163 * riid [I] Interface identifier of the pUnk object.
1164 * pUnk [I] Optional. Object to get the marshal object for.
1165 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1166 * pvDestContext [I] Reserved. Must be NULL.
1167 * mshlflags [I] Flags affecting the marshaling process.
1168 * ppMarshal [O] Address where marshal object will be stored.
1172 * Failure: HRESULT code.
1176 * The function retrieves the IMarshal object associated with an object if
1177 * that object is currently an active stub, otherwise a new marshal object is
1180 HRESULT WINAPI CoGetStandardMarshal(REFIID riid, IUnknown *pUnk,
1181 DWORD dwDestContext, LPVOID pvDestContext,
1182 DWORD mshlflags, LPMARSHAL *ppMarshal)
1188 FIXME("(%s,NULL,%lx,%p,%lx,%p), unimplemented yet.\n",
1189 debugstr_guid(riid),dwDestContext,pvDestContext,mshlflags,ppMarshal);
1192 TRACE("(%s,%p,%lx,%p,%lx,%p)\n",
1193 debugstr_guid(riid),pUnk,dwDestContext,pvDestContext,mshlflags,ppMarshal);
1194 *ppMarshal = HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl));
1195 dm = (StdMarshalImpl*) *ppMarshal;
1196 if (!dm) return E_FAIL;
1197 dm->lpvtbl = &VT_StdMarshal;
1201 dm->dwDestContext = dwDestContext;
1202 dm->pvDestContext = pvDestContext;
1203 dm->mshlflags = mshlflags;
1207 /***********************************************************************
1208 * get_marshaler [internal]
1210 * Retrieves an IMarshal interface for an object.
1212 static HRESULT get_marshaler(REFIID riid, IUnknown *pUnk, DWORD dwDestContext,
1213 void *pvDestContext, DWORD mshlFlags,
1214 LPMARSHAL *pMarshal)
1220 hr = IUnknown_QueryInterface(pUnk, &IID_IMarshal, (LPVOID*)pMarshal);
1222 hr = CoGetStandardMarshal(riid, pUnk, dwDestContext, pvDestContext,
1223 mshlFlags, pMarshal);
1227 /***********************************************************************
1228 * get_unmarshaler_from_stream [internal]
1230 * Creates an IMarshal* object according to the data marshaled to the stream.
1231 * The function leaves the stream pointer at the start of the data written
1232 * to the stream by the IMarshal* object.
1234 static HRESULT get_unmarshaler_from_stream(IStream *stream, IMarshal **marshal, IID *iid)
1240 /* read common OBJREF header */
1241 hr = IStream_Read(stream, &objref, FIELD_OFFSET(OBJREF, u_objref), &res);
1242 if (hr || (res != FIELD_OFFSET(OBJREF, u_objref)))
1244 ERR("Failed to read common OBJREF header, 0x%08lx\n", hr);
1245 return STG_E_READFAULT;
1248 /* sanity check on header */
1249 if (objref.signature != OBJREF_SIGNATURE)
1251 ERR("Bad OBJREF signature 0x%08lx\n", objref.signature);
1252 return RPC_E_INVALID_OBJREF;
1255 if (iid) *iid = objref.iid;
1257 /* FIXME: handler marshaling */
1258 if (objref.flags & OBJREF_STANDARD)
1260 TRACE("Using standard unmarshaling\n");
1261 hr = StdMarshalImpl_Construct(&IID_IMarshal, (LPVOID*)marshal);
1263 else if (objref.flags & OBJREF_CUSTOM)
1265 ULONG custom_header_size = FIELD_OFFSET(OBJREF, u_objref.u_custom.pData) -
1266 FIELD_OFFSET(OBJREF, u_objref.u_custom);
1267 TRACE("Using custom unmarshaling\n");
1268 /* read constant sized OR_CUSTOM data from stream */
1269 hr = IStream_Read(stream, &objref.u_objref.u_custom,
1270 custom_header_size, &res);
1271 if (hr || (res != custom_header_size))
1273 ERR("Failed to read OR_CUSTOM header, 0x%08lx\n", hr);
1274 return STG_E_READFAULT;
1276 /* now create the marshaler specified in the stream */
1277 hr = CoCreateInstance(&objref.u_objref.u_custom.clsid, NULL,
1278 CLSCTX_INPROC_SERVER, &IID_IMarshal,
1283 FIXME("Invalid or unimplemented marshaling type specified: %lx\n",
1285 return RPC_E_INVALID_OBJREF;
1289 ERR("Failed to create marshal, 0x%08lx\n", hr);
1294 /***********************************************************************
1295 * CoGetMarshalSizeMax [OLE32.@]
1297 * Gets the maximum amount of data that will be needed by a marshal.
1300 * pulSize [O] Address where maximum marshal size will be stored.
1301 * riid [I] Identifier of the interface to marshal.
1302 * pUnk [I] Pointer to the object to marshal.
1303 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1304 * pvDestContext [I] Reserved. Must be NULL.
1305 * mshlFlags [I] Flags that affect the marshaling. See CoMarshalInterface().
1309 * Failure: HRESULT code.
1312 * CoMarshalInterface().
1314 HRESULT WINAPI CoGetMarshalSizeMax(ULONG *pulSize, REFIID riid, IUnknown *pUnk,
1315 DWORD dwDestContext, void *pvDestContext,
1320 CLSID marshaler_clsid;
1322 hr = get_marshaler(riid, pUnk, dwDestContext, pvDestContext, mshlFlags, &pMarshal);
1326 hr = IMarshal_GetUnmarshalClass(pMarshal, riid, pUnk, dwDestContext,
1327 pvDestContext, mshlFlags, &marshaler_clsid);
1330 ERR("IMarshal::GetUnmarshalClass failed, 0x%08lx\n", hr);
1331 IMarshal_Release(pMarshal);
1335 hr = IMarshal_GetMarshalSizeMax(pMarshal, riid, pUnk, dwDestContext,
1336 pvDestContext, mshlFlags, pulSize);
1337 /* add on the size of the common header */
1338 *pulSize += FIELD_OFFSET(OBJREF, u_objref);
1340 /* if custom marshaling, add on size of custom header */
1341 if (!IsEqualCLSID(&marshaler_clsid, &CLSID_DfMarshal))
1342 *pulSize += FIELD_OFFSET(OBJREF, u_objref.u_custom.pData) -
1343 FIELD_OFFSET(OBJREF, u_objref.u_custom);
1345 IMarshal_Release(pMarshal);
1350 static void dump_MSHLFLAGS(MSHLFLAGS flags)
1352 if (flags & MSHLFLAGS_TABLESTRONG)
1353 TRACE(" MSHLFLAGS_TABLESTRONG");
1354 if (flags & MSHLFLAGS_TABLEWEAK)
1355 TRACE(" MSHLFLAGS_TABLEWEAK");
1356 if (!(flags & (MSHLFLAGS_TABLESTRONG|MSHLFLAGS_TABLEWEAK)))
1357 TRACE(" MSHLFLAGS_NORMAL");
1358 if (flags & MSHLFLAGS_NOPING)
1359 TRACE(" MSHLFLAGS_NOPING");
1362 /***********************************************************************
1363 * CoMarshalInterface [OLE32.@]
1365 * Marshals an interface into a stream so that the object can then be
1366 * unmarshaled from another COM apartment and used remotely.
1369 * pStream [I] Stream the object will be marshaled into.
1370 * riid [I] Identifier of the interface to marshal.
1371 * pUnk [I] Pointer to the object to marshal.
1372 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1373 * pvDestContext [I] Reserved. Must be NULL.
1374 * mshlFlags [I] Flags that affect the marshaling. See notes.
1378 * Failure: HRESULT code.
1382 * The mshlFlags parameter can take one or more of the following flags:
1383 *| MSHLFLAGS_NORMAL - Unmarshal once, releases stub on last proxy release.
1384 *| MSHLFLAGS_TABLESTRONG - Unmarshal many, release when CoReleaseMarshalData() called.
1385 *| MSHLFLAGS_TABLEWEAK - Unmarshal many, releases stub on last proxy release.
1386 *| MSHLFLAGS_NOPING - No automatic garbage collection (and so reduces network traffic).
1388 * If a marshaled object is not unmarshaled, then CoReleaseMarshalData() must
1389 * be called in order to release the resources used in the marshaling.
1392 * CoUnmarshalInterface(), CoReleaseMarshalData().
1394 HRESULT WINAPI CoMarshalInterface(IStream *pStream, REFIID riid, IUnknown *pUnk,
1395 DWORD dwDestContext, void *pvDestContext,
1399 CLSID marshaler_clsid;
1403 TRACE("(%p, %s, %p, %lx, %p,", pStream, debugstr_guid(riid), pUnk,
1404 dwDestContext, pvDestContext);
1405 dump_MSHLFLAGS(mshlFlags);
1409 return E_INVALIDARG;
1411 objref.signature = OBJREF_SIGNATURE;
1414 /* get the marshaler for the specified interface */
1415 hr = get_marshaler(riid, pUnk, dwDestContext, pvDestContext, mshlFlags, &pMarshal);
1418 ERR("Failed to get marshaller, 0x%08lx\n", hr);
1422 hr = IMarshal_GetUnmarshalClass(pMarshal, riid, pUnk, dwDestContext,
1423 pvDestContext, mshlFlags, &marshaler_clsid);
1426 ERR("IMarshal::GetUnmarshalClass failed, 0x%08lx\n", hr);
1430 /* FIXME: implement handler marshaling too */
1431 if (IsEqualCLSID(&marshaler_clsid, &CLSID_DfMarshal))
1433 TRACE("Using standard marshaling\n");
1434 objref.flags = OBJREF_STANDARD;
1436 /* write the common OBJREF header to the stream */
1437 hr = IStream_Write(pStream, &objref, FIELD_OFFSET(OBJREF, u_objref), NULL);
1440 ERR("Failed to write OBJREF header to stream, 0x%08lx\n", hr);
1446 TRACE("Using custom marshaling\n");
1447 objref.flags = OBJREF_CUSTOM;
1448 objref.u_objref.u_custom.clsid = marshaler_clsid;
1449 objref.u_objref.u_custom.cbExtension = 0;
1450 objref.u_objref.u_custom.size = 0;
1451 hr = IMarshal_GetMarshalSizeMax(pMarshal, riid, pUnk, dwDestContext,
1452 pvDestContext, mshlFlags,
1453 &objref.u_objref.u_custom.size);
1456 ERR("Failed to get max size of marshal data, error 0x%08lx\n", hr);
1459 /* write constant sized common header and OR_CUSTOM data into stream */
1460 hr = IStream_Write(pStream, &objref,
1461 FIELD_OFFSET(OBJREF, u_objref.u_custom.pData), NULL);
1464 ERR("Failed to write OR_CUSTOM header to stream with 0x%08lx\n", hr);
1469 TRACE("Calling IMarshal::MarshalInterace\n");
1470 /* call helper object to do the actual marshaling */
1471 hr = IMarshal_MarshalInterface(pMarshal, pStream, riid, pUnk, dwDestContext,
1472 pvDestContext, mshlFlags);
1476 ERR("Failed to marshal the interface %s, %lx\n", debugstr_guid(riid), hr);
1481 IMarshal_Release(pMarshal);
1483 TRACE("completed with hr 0x%08lx\n", hr);
1488 /***********************************************************************
1489 * CoUnmarshalInterface [OLE32.@]
1491 * Unmarshals an object from a stream by creating a proxy to the remote
1492 * object, if necessary.
1496 * pStream [I] Stream containing the marshaled object.
1497 * riid [I] Interface identifier of the object to create a proxy to.
1498 * ppv [O] Address where proxy will be stored.
1503 * Failure: HRESULT code.
1506 * CoMarshalInterface().
1508 HRESULT WINAPI CoUnmarshalInterface(IStream *pStream, REFIID riid, LPVOID *ppv)
1515 TRACE("(%p, %s, %p)\n", pStream, debugstr_guid(riid), ppv);
1517 hr = get_unmarshaler_from_stream(pStream, &pMarshal, &iid);
1521 /* call the helper object to do the actual unmarshaling */
1522 hr = IMarshal_UnmarshalInterface(pMarshal, pStream, &iid, (LPVOID*)&object);
1524 ERR("IMarshal::UnmarshalInterface failed, 0x%08lx\n", hr);
1526 /* IID_NULL means use the interface ID of the marshaled object */
1527 if (!IsEqualIID(riid, &IID_NULL))
1532 if (!IsEqualIID(riid, &iid))
1534 TRACE("requested interface != marshalled interface, additional QI needed\n");
1535 hr = IUnknown_QueryInterface(object, &iid, ppv);
1537 ERR("Couldn't query for interface %s, hr = 0x%08lx\n",
1538 debugstr_guid(riid), hr);
1539 IUnknown_Release(object);
1547 IMarshal_Release(pMarshal);
1549 TRACE("completed with hr 0x%lx\n", hr);
1554 /***********************************************************************
1555 * CoReleaseMarshalData [OLE32.@]
1557 * Releases resources associated with an object that has been marshaled into
1562 * pStream [I] The stream that the object has been marshaled into.
1566 * Failure: HRESULT error code.
1570 * Call this function to release resources associated with a normal or
1571 * table-weak marshal that will not be unmarshaled, and all table-strong
1572 * marshals when they are no longer needed.
1575 * CoMarshalInterface(), CoUnmarshalInterface().
1577 HRESULT WINAPI CoReleaseMarshalData(IStream *pStream)
1582 TRACE("(%p)\n", pStream);
1584 hr = get_unmarshaler_from_stream(pStream, &pMarshal, NULL);
1588 /* call the helper object to do the releasing of marshal data */
1589 hr = IMarshal_ReleaseMarshalData(pMarshal, pStream);
1591 ERR("IMarshal::ReleaseMarshalData failed with error 0x%08lx\n", hr);
1593 IMarshal_Release(pMarshal);
1598 /***********************************************************************
1599 * CoMarshalInterThreadInterfaceInStream [OLE32.@]
1601 * Marshal an interface across threads in the same process.
1604 * riid [I] Identifier of the interface to be marshalled.
1605 * pUnk [I] Pointer to IUnknown-derived interface that will be marshalled.
1606 * ppStm [O] Pointer to IStream object that is created and then used to store the marshalled inteface.
1610 * Failure: E_OUTOFMEMORY and other COM error codes
1613 * CoMarshalInterface(), CoUnmarshalInterface() and CoGetInterfaceAndReleaseStream()
1615 HRESULT WINAPI CoMarshalInterThreadInterfaceInStream(
1616 REFIID riid, LPUNKNOWN pUnk, LPSTREAM * ppStm)
1618 ULARGE_INTEGER xpos;
1619 LARGE_INTEGER seekto;
1622 TRACE("(%s, %p, %p)\n",debugstr_guid(riid), pUnk, ppStm);
1624 hres = CreateStreamOnHGlobal(NULL, TRUE, ppStm);
1625 if (FAILED(hres)) return hres;
1626 hres = CoMarshalInterface(*ppStm, riid, pUnk, MSHCTX_INPROC, NULL, MSHLFLAGS_NORMAL);
1628 if (SUCCEEDED(hres))
1630 memset(&seekto, 0, sizeof(seekto));
1631 IStream_Seek(*ppStm, seekto, SEEK_SET, &xpos);
1635 IStream_Release(*ppStm);
1642 /***********************************************************************
1643 * CoGetInterfaceAndReleaseStream [OLE32.@]
1645 * Unmarshalls an inteface from a stream and then releases the stream.
1648 * pStm [I] Stream that contains the marshalled inteface.
1649 * riid [I] Interface identifier of the object to unmarshall.
1650 * ppv [O] Address of pointer where the requested interface object will be stored.
1654 * Failure: A COM error code
1657 * CoMarshalInterThreadInterfaceInStream() and CoUnmarshalInteface()
1659 HRESULT WINAPI CoGetInterfaceAndReleaseStream(LPSTREAM pStm, REFIID riid,
1664 TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);
1666 hres = CoUnmarshalInterface(pStm, riid, ppv);
1667 IStream_Release(pStm);
1671 static HRESULT WINAPI StdMarshalCF_QueryInterface(LPCLASSFACTORY iface,
1672 REFIID riid, LPVOID *ppv)
1675 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
1677 *ppv = (LPVOID)iface;
1680 return E_NOINTERFACE;
1683 static ULONG WINAPI StdMarshalCF_AddRef(LPCLASSFACTORY iface)
1685 return 2; /* non-heap based object */
1688 static ULONG WINAPI StdMarshalCF_Release(LPCLASSFACTORY iface)
1690 return 1; /* non-heap based object */
1693 static HRESULT WINAPI StdMarshalCF_CreateInstance(LPCLASSFACTORY iface,
1694 LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
1696 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IMarshal))
1697 return StdMarshalImpl_Construct(riid, ppv);
1699 FIXME("(%s), not supported.\n",debugstr_guid(riid));
1700 return E_NOINTERFACE;
1703 static HRESULT WINAPI StdMarshalCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
1705 FIXME("(%d), stub!\n",fLock);
1709 static const IClassFactoryVtbl StdMarshalCFVtbl =
1711 StdMarshalCF_QueryInterface,
1712 StdMarshalCF_AddRef,
1713 StdMarshalCF_Release,
1714 StdMarshalCF_CreateInstance,
1715 StdMarshalCF_LockServer
1717 static const IClassFactoryVtbl *StdMarshalCF = &StdMarshalCFVtbl;
1719 HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv)
1721 *ppv = &StdMarshalCF;
1725 /***********************************************************************
1726 * CoMarshalHresult [OLE32.@]
1728 * Marshals an HRESULT value into a stream.
1731 * pStm [I] Stream that hresult will be marshalled into.
1732 * hresult [I] HRESULT to be marshalled.
1736 * Failure: A COM error code
1739 * CoUnmarshalHresult().
1741 HRESULT WINAPI CoMarshalHresult(LPSTREAM pStm, HRESULT hresult)
1743 return IStream_Write(pStm, &hresult, sizeof(hresult), NULL);
1746 /***********************************************************************
1747 * CoUnmarshalHresult [OLE32.@]
1749 * Unmarshals an HRESULT value from a stream.
1752 * pStm [I] Stream that hresult will be unmarshalled from.
1753 * phresult [I] Pointer to HRESULT where the value will be unmarshalled to.
1757 * Failure: A COM error code
1760 * CoMarshalHresult().
1762 HRESULT WINAPI CoUnmarshalHresult(LPSTREAM pStm, HRESULT * phresult)
1764 return IStream_Read(pStm, phresult, sizeof(*phresult), NULL);