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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
35 #include "wine/unicode.h"
37 #include "compobj_private.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(ole);
43 extern const CLSID CLSID_DfMarshal;
45 /* number of refs given out for normal marshaling */
46 #define NORMALEXTREFS 5
48 /* private flag indicating that the caller does not want to notify the stub
49 * when the proxy disconnects or is destroyed */
50 #define SORFP_NOLIFETIMEMGMT SORF_OXRES1
52 static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt,
53 MSHCTX dest_context, void *dest_context_data,
54 REFIID riid, void **object);
56 /* Marshalling just passes a unique identifier to the remote client,
57 * that makes it possible to find the passed interface again.
59 * So basically we need a set of values that make it unique.
61 * Note that the IUnknown_QI(ob,xiid,&ppv) always returns the SAME ppv value!
63 * A triple is used: OXID (apt id), OID (stub manager id),
64 * IPID (interface ptr/stub id).
66 * OXIDs identify an apartment and are network scoped
67 * OIDs identify a stub manager and are apartment scoped
68 * IPIDs identify an interface stub and are apartment scoped
71 inline static HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
76 if ((hr = CoGetPSClsid(riid, &clsid)))
78 return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
79 &IID_IPSFactoryBuffer, (LPVOID*)facbuf);
82 /* marshals an object into a STDOBJREF structure */
83 HRESULT marshal_object(APARTMENT *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *object, MSHLFLAGS mshlflags)
85 struct stub_manager *manager;
86 struct ifstub *ifstub;
88 IRpcStubBuffer *stub = NULL;
90 IUnknown *iobject = NULL; /* object of type riid */
92 hr = apartment_getoxid(apt, &stdobjref->oxid);
96 hr = apartment_createwindowifneeded(apt);
100 hr = IUnknown_QueryInterface(object, riid, (void **)&iobject);
103 ERR("object doesn't expose interface %s, failing with error 0x%08x\n",
104 debugstr_guid(riid), hr);
105 return E_NOINTERFACE;
108 /* IUnknown doesn't require a stub buffer, because it never goes out on
110 if (!IsEqualIID(riid, &IID_IUnknown))
112 IPSFactoryBuffer *psfb;
114 hr = get_facbuf_for_iid(riid, &psfb);
117 ERR("couldn't get IPSFactory buffer for interface %s\n", debugstr_guid(riid));
118 IUnknown_Release(iobject);
122 hr = IPSFactoryBuffer_CreateStub(psfb, riid, iobject, &stub);
123 IPSFactoryBuffer_Release(psfb);
126 ERR("Failed to create an IRpcStubBuffer from IPSFactory for %s with error 0x%08x\n",
127 debugstr_guid(riid), hr);
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);
159 ifstub = stub_manager_new_ifstub(manager, stub, iobject, riid, mshlflags);
161 if (stub) IRpcStubBuffer_Release(stub);
162 IUnknown_Release(iobject);
166 stub_manager_int_release(manager);
167 /* destroy the stub manager if it has no ifstubs by releasing
168 * zero external references */
169 stub_manager_ext_release(manager, 0, TRUE);
170 return E_OUTOFMEMORY;
175 stdobjref->cPublicRefs = NORMALEXTREFS;
176 stub_manager_ext_addref(manager, stdobjref->cPublicRefs);
180 stdobjref->cPublicRefs = 0;
181 if (mshlflags & MSHLFLAGS_TABLESTRONG)
182 stub_manager_ext_addref(manager, 1);
185 /* FIXME: check return value */
186 RPC_RegisterInterface(riid);
188 stdobjref->ipid = ifstub->ipid;
190 stub_manager_int_release(manager);
196 /* Client-side identity of the server object */
198 static HRESULT proxy_manager_get_remunknown(struct proxy_manager * This, IRemUnknown **remunk);
199 static void proxy_manager_destroy(struct proxy_manager * This);
200 static HRESULT proxy_manager_find_ifproxy(struct proxy_manager * This, REFIID riid, struct ifproxy ** ifproxy_found);
201 static HRESULT proxy_manager_query_local_interface(struct proxy_manager * This, REFIID riid, void ** ppv);
203 static HRESULT WINAPI ClientIdentity_QueryInterface(IMultiQI * iface, REFIID riid, void ** ppv)
208 TRACE("%s\n", debugstr_guid(riid));
211 hr = IMultiQI_QueryMultipleInterfaces(iface, 1, &mqi);
212 *ppv = (void *)mqi.pItf;
217 static ULONG WINAPI ClientIdentity_AddRef(IMultiQI * iface)
219 struct proxy_manager * This = (struct proxy_manager *)iface;
220 TRACE("%p - before %d\n", iface, This->refs);
221 return InterlockedIncrement(&This->refs);
224 static ULONG WINAPI ClientIdentity_Release(IMultiQI * iface)
226 struct proxy_manager * This = (struct proxy_manager *)iface;
227 ULONG refs = InterlockedDecrement(&This->refs);
228 TRACE("%p - after %d\n", iface, refs);
230 proxy_manager_destroy(This);
234 static HRESULT WINAPI ClientIdentity_QueryMultipleInterfaces(IMultiQI *iface, ULONG cMQIs, MULTI_QI *pMQIs)
236 struct proxy_manager * This = (struct proxy_manager *)iface;
237 REMQIRESULT *qiresults = NULL;
238 ULONG nonlocal_mqis = 0;
240 ULONG successful_mqis = 0;
241 IID *iids = HeapAlloc(GetProcessHeap(), 0, cMQIs * sizeof(*iids));
242 /* mapping of RemQueryInterface index to QueryMultipleInterfaces index */
243 ULONG *mapping = HeapAlloc(GetProcessHeap(), 0, cMQIs * sizeof(*mapping));
245 TRACE("cMQIs: %d\n", cMQIs);
247 /* try to get a local interface - this includes already active proxy
248 * interfaces and also interfaces exposed by the proxy manager */
249 for (i = 0; i < cMQIs; i++)
251 TRACE("iid[%d] = %s\n", i, debugstr_guid(pMQIs[i].pIID));
252 pMQIs[i].hr = proxy_manager_query_local_interface(This, pMQIs[i].pIID, (void **)&pMQIs[i].pItf);
253 if (pMQIs[i].hr == S_OK)
257 iids[nonlocal_mqis] = *pMQIs[i].pIID;
258 mapping[nonlocal_mqis] = i;
263 TRACE("%d interfaces not found locally\n", nonlocal_mqis);
265 /* if we have more than one interface not found locally then we must try
266 * to query the remote object for it */
267 if (nonlocal_mqis != 0)
273 /* get the ipid of the first entry */
274 /* FIXME: should we implement ClientIdentity on the ifproxies instead
275 * of the proxy_manager so we use the correct ipid here? */
276 ipid = &LIST_ENTRY(list_head(&This->interfaces), struct ifproxy, entry)->stdobjref.ipid;
278 /* get IRemUnknown proxy so we can communicate with the remote object */
279 hr = proxy_manager_get_remunknown(This, &remunk);
283 hr = IRemUnknown_RemQueryInterface(remunk, ipid, NORMALEXTREFS,
284 nonlocal_mqis, iids, &qiresults);
286 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08x\n", hr);
289 /* IRemUnknown_RemQueryInterface can return S_FALSE if only some of
290 * the interfaces were returned */
293 /* try to unmarshal each object returned to us */
294 for (i = 0; i < nonlocal_mqis; i++)
296 ULONG index = mapping[i];
297 HRESULT hrobj = qiresults[i].hResult;
299 hrobj = unmarshal_object(&qiresults[i].std, This->parent,
301 This->dest_context_data,
303 (void **)&pMQIs[index].pItf);
308 ERR("Failed to get pointer to interface %s\n", debugstr_guid(pMQIs[index].pIID));
309 pMQIs[index].hr = hrobj;
313 /* free the memory allocated by the proxy */
314 CoTaskMemFree(qiresults);
317 TRACE("%d/%d successfully queried\n", successful_mqis, cMQIs);
319 HeapFree(GetProcessHeap(), 0, iids);
320 HeapFree(GetProcessHeap(), 0, mapping);
322 if (successful_mqis == cMQIs)
323 return S_OK; /* we got all requested interfaces */
324 else if (successful_mqis == 0)
325 return E_NOINTERFACE; /* we didn't get any interfaces */
327 return S_FALSE; /* we got some interfaces */
330 static const IMultiQIVtbl ClientIdentity_Vtbl =
332 ClientIdentity_QueryInterface,
333 ClientIdentity_AddRef,
334 ClientIdentity_Release,
335 ClientIdentity_QueryMultipleInterfaces
338 static HRESULT WINAPI Proxy_QueryInterface(IMarshal *iface, REFIID riid, void **ppvObject)
340 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
341 return IMultiQI_QueryInterface((IMultiQI *)&This->lpVtbl, riid, ppvObject);
344 static ULONG WINAPI Proxy_AddRef(IMarshal *iface)
346 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
347 return IMultiQI_AddRef((IMultiQI *)&This->lpVtbl);
350 /* FIXME: remove these */
351 static HRESULT WINAPI StdMarshalImpl_GetUnmarshalClass(LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext, void* pvDestContext, DWORD mshlflags, CLSID* pCid);
352 static HRESULT WINAPI StdMarshalImpl_GetMarshalSizeMax(LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext, void* pvDestContext, DWORD mshlflags, DWORD* pSize);
353 static HRESULT WINAPI StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv);
354 static HRESULT WINAPI StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm);
355 static HRESULT WINAPI StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved);
357 static ULONG WINAPI Proxy_Release(IMarshal *iface)
359 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
360 return IMultiQI_Release((IMultiQI *)&This->lpVtbl);
363 static HRESULT WINAPI Proxy_MarshalInterface(
364 LPMARSHAL iface, IStream *pStm, REFIID riid, void* pv, DWORD dwDestContext,
365 void* pvDestContext, DWORD mshlflags)
367 ICOM_THIS_MULTI(struct proxy_manager, lpVtblMarshal, iface);
369 struct ifproxy *ifproxy;
371 TRACE("(...,%s,...)\n", debugstr_guid(riid));
373 hr = proxy_manager_find_ifproxy(This, riid, &ifproxy);
376 STDOBJREF stdobjref = ifproxy->stdobjref;
377 ULONG cPublicRefs = ifproxy->refs;
378 ULONG cPublicRefsOld;
380 /* optimization - share out proxy's public references if possible
381 * instead of making new proxy do a roundtrip through the server */
384 ULONG cPublicRefsNew;
385 cPublicRefsOld = cPublicRefs;
386 stdobjref.cPublicRefs = cPublicRefs / 2;
387 cPublicRefsNew = cPublicRefs - stdobjref.cPublicRefs;
388 cPublicRefs = InterlockedCompareExchange(
389 (LONG *)&ifproxy->refs, cPublicRefsNew, cPublicRefsOld);
390 } while (cPublicRefs != cPublicRefsOld);
392 if (!stdobjref.cPublicRefs)
395 hr = proxy_manager_get_remunknown(This, &remunk);
398 HRESULT hrref = S_OK;
400 rif.ipid = ifproxy->stdobjref.ipid;
401 rif.cPublicRefs = NORMALEXTREFS;
402 rif.cPrivateRefs = 0;
403 hr = IRemUnknown_RemAddRef(remunk, 1, &rif, &hrref);
404 if (hr == S_OK && hrref == S_OK)
405 stdobjref.cPublicRefs = rif.cPublicRefs;
407 ERR("IRemUnknown_RemAddRef returned with 0x%08x, hrref = 0x%08x\n", hr, hrref);
413 TRACE("writing stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
414 stdobjref.flags, stdobjref.cPublicRefs,
415 wine_dbgstr_longlong(stdobjref.oxid),
416 wine_dbgstr_longlong(stdobjref.oid),
417 debugstr_guid(&stdobjref.ipid));
418 hr = IStream_Write(pStm, &stdobjref, sizeof(stdobjref), NULL);
423 /* we don't have the interface already unmarshaled so we have to
424 * request the object from the server */
427 REMQIRESULT *qiresults = NULL;
430 /* get the ipid of the first entry */
431 /* FIXME: should we implement ClientIdentity on the ifproxies instead
432 * of the proxy_manager so we use the correct ipid here? */
433 ipid = &LIST_ENTRY(list_head(&This->interfaces), struct ifproxy, entry)->stdobjref.ipid;
435 /* get IRemUnknown proxy so we can communicate with the remote object */
436 hr = proxy_manager_get_remunknown(This, &remunk);
440 hr = IRemUnknown_RemQueryInterface(remunk, ipid, NORMALEXTREFS,
441 1, &iid, &qiresults);
444 hr = IStream_Write(pStm, &qiresults->std, sizeof(qiresults->std), NULL);
448 rif.ipid = qiresults->std.ipid;
449 rif.cPublicRefs = qiresults->std.cPublicRefs;
450 rif.cPrivateRefs = 0;
451 IRemUnknown_RemRelease(remunk, 1, &rif);
453 CoTaskMemFree(qiresults);
456 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08x\n", hr);
463 static const IMarshalVtbl ProxyMarshal_Vtbl =
465 Proxy_QueryInterface,
468 StdMarshalImpl_GetUnmarshalClass,
469 StdMarshalImpl_GetMarshalSizeMax,
470 Proxy_MarshalInterface,
471 StdMarshalImpl_UnmarshalInterface,
472 StdMarshalImpl_ReleaseMarshalData,
473 StdMarshalImpl_DisconnectObject
476 static HRESULT ifproxy_get_public_ref(struct ifproxy * This)
480 if (WAIT_OBJECT_0 != WaitForSingleObject(This->parent->remoting_mutex, INFINITE))
482 ERR("Wait failed for ifproxy %p\n", This);
488 IRemUnknown *remunk = NULL;
490 TRACE("getting public ref for ifproxy %p\n", This);
492 hr = proxy_manager_get_remunknown(This->parent, &remunk);
495 HRESULT hrref = S_OK;
497 rif.ipid = This->stdobjref.ipid;
498 rif.cPublicRefs = NORMALEXTREFS;
499 rif.cPrivateRefs = 0;
500 hr = IRemUnknown_RemAddRef(remunk, 1, &rif, &hrref);
501 if (hr == S_OK && hrref == S_OK)
502 InterlockedExchangeAdd((LONG *)&This->refs, NORMALEXTREFS);
504 ERR("IRemUnknown_RemAddRef returned with 0x%08x, hrref = 0x%08x\n", hr, hrref);
507 ReleaseMutex(This->parent->remoting_mutex);
512 static HRESULT ifproxy_release_public_refs(struct ifproxy * This)
517 if (WAIT_OBJECT_0 != WaitForSingleObject(This->parent->remoting_mutex, INFINITE))
519 ERR("Wait failed for ifproxy %p\n", This);
523 public_refs = This->refs;
526 IRemUnknown *remunk = NULL;
528 TRACE("releasing %d refs\n", public_refs);
530 hr = proxy_manager_get_remunknown(This->parent, &remunk);
534 rif.ipid = This->stdobjref.ipid;
535 rif.cPublicRefs = public_refs;
536 rif.cPrivateRefs = 0;
537 hr = IRemUnknown_RemRelease(remunk, 1, &rif);
539 InterlockedExchangeAdd((LONG *)&This->refs, -public_refs);
540 else if (hr == RPC_E_DISCONNECTED)
541 WARN("couldn't release references because object was "
542 "disconnected: oxid = %s, oid = %s\n",
543 wine_dbgstr_longlong(This->parent->oxid),
544 wine_dbgstr_longlong(This->parent->oid));
546 ERR("IRemUnknown_RemRelease failed with error 0x%08x\n", hr);
549 ReleaseMutex(This->parent->remoting_mutex);
554 /* should be called inside This->parent->cs critical section */
555 static void ifproxy_disconnect(struct ifproxy * This)
557 ifproxy_release_public_refs(This);
558 if (This->proxy) IRpcProxyBuffer_Disconnect(This->proxy);
560 IRpcChannelBuffer_Release(This->chan);
564 /* should be called in This->parent->cs critical section if it is an entry in parent's list */
565 static void ifproxy_destroy(struct ifproxy * This)
569 /* release public references to this object so that the stub can know
570 * when to destroy itself */
571 ifproxy_release_public_refs(This);
573 list_remove(&This->entry);
577 IRpcChannelBuffer_Release(This->chan);
581 if (This->proxy) IRpcProxyBuffer_Release(This->proxy);
583 HeapFree(GetProcessHeap(), 0, This);
586 static HRESULT proxy_manager_construct(
587 APARTMENT * apt, ULONG sorflags, OXID oxid, OID oid,
588 struct proxy_manager ** proxy_manager)
590 struct proxy_manager * This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
591 if (!This) return E_OUTOFMEMORY;
593 This->remoting_mutex = CreateMutexW(NULL, FALSE, NULL);
594 if (!This->remoting_mutex)
596 HeapFree(GetProcessHeap(), 0, This);
597 return HRESULT_FROM_WIN32(GetLastError());
600 This->lpVtbl = &ClientIdentity_Vtbl;
601 This->lpVtblMarshal = &ProxyMarshal_Vtbl;
603 list_init(&This->entry);
604 list_init(&This->interfaces);
606 InitializeCriticalSection(&This->cs);
607 DEBUG_SET_CRITSEC_NAME(&This->cs, "proxy_manager");
609 /* the apartment the object was unmarshaled into */
612 /* the source apartment and id of the object */
618 /* the DCOM draft specification states that the SORF_NOPING flag is
619 * proxy manager specific, not ifproxy specific, so this implies that we
620 * should store the STDOBJREF flags here in the proxy manager. */
621 This->sorflags = sorflags;
623 /* we create the IRemUnknown proxy on demand */
626 /* initialise these values to the weakest values and they will be
627 * overwritten in proxy_manager_set_context */
628 This->dest_context = MSHCTX_INPROC;
629 This->dest_context_data = NULL;
631 EnterCriticalSection(&apt->cs);
632 /* FIXME: we are dependent on the ordering in here to make sure a proxy's
633 * IRemUnknown proxy doesn't get destroyed before the regual proxy does
634 * because we need the IRemUnknown proxy during the destruction of the
635 * regular proxy. Ideally, we should maintain a separate list for the
636 * IRemUnknown proxies that need late destruction */
637 list_add_tail(&apt->proxies, &This->entry);
638 LeaveCriticalSection(&apt->cs);
640 TRACE("%p created for OXID %s, OID %s\n", This,
641 wine_dbgstr_longlong(oxid), wine_dbgstr_longlong(oid));
643 *proxy_manager = This;
647 static inline void proxy_manager_set_context(struct proxy_manager *This, MSHCTX dest_context, void *dest_context_data)
649 MSHCTX old_dest_context = This->dest_context;
650 MSHCTX new_dest_context;
654 new_dest_context = old_dest_context;
655 /* "stronger" values overwrite "weaker" values. stronger values are
656 * ones that disable more optimisations */
657 switch (old_dest_context)
660 new_dest_context = dest_context;
662 case MSHCTX_CROSSCTX:
663 switch (dest_context)
668 new_dest_context = dest_context;
672 switch (dest_context)
675 case MSHCTX_CROSSCTX:
678 new_dest_context = dest_context;
681 case MSHCTX_NOSHAREDMEM:
682 switch (dest_context)
684 case MSHCTX_DIFFERENTMACHINE:
685 new_dest_context = dest_context;
695 if (old_dest_context == new_dest_context) break;
697 old_dest_context = InterlockedCompareExchange((PLONG)&This->dest_context, new_dest_context, old_dest_context);
698 } while (new_dest_context != old_dest_context);
700 if (dest_context_data)
701 InterlockedExchangePointer(&This->dest_context_data, dest_context_data);
704 static HRESULT proxy_manager_query_local_interface(struct proxy_manager * This, REFIID riid, void ** ppv)
707 struct ifproxy * ifproxy;
709 TRACE("%s\n", debugstr_guid(riid));
711 if (IsEqualIID(riid, &IID_IUnknown) ||
712 IsEqualIID(riid, &IID_IMultiQI))
714 *ppv = (void *)&This->lpVtbl;
715 IUnknown_AddRef((IUnknown *)*ppv);
718 if (IsEqualIID(riid, &IID_IMarshal))
720 *ppv = (void *)&This->lpVtblMarshal;
721 IUnknown_AddRef((IUnknown *)*ppv);
724 if (IsEqualIID(riid, &IID_IClientSecurity))
726 FIXME("requesting IClientSecurity, but it is unimplemented\n");
728 return E_NOINTERFACE;
731 hr = proxy_manager_find_ifproxy(This, riid, &ifproxy);
734 *ppv = ifproxy->iface;
735 IUnknown_AddRef((IUnknown *)*ppv);
740 return E_NOINTERFACE;
743 static HRESULT proxy_manager_create_ifproxy(
744 struct proxy_manager * This, const STDOBJREF *stdobjref, REFIID riid,
745 IRpcChannelBuffer * channel, struct ifproxy ** iif_out)
748 IPSFactoryBuffer * psfb;
749 struct ifproxy * ifproxy = HeapAlloc(GetProcessHeap(), 0, sizeof(*ifproxy));
750 if (!ifproxy) return E_OUTOFMEMORY;
752 list_init(&ifproxy->entry);
754 ifproxy->parent = This;
755 ifproxy->stdobjref = *stdobjref;
756 ifproxy->iid = *riid;
758 ifproxy->proxy = NULL;
761 ifproxy->chan = channel; /* FIXME: we should take the binding strings and construct the channel in this function */
763 /* the IUnknown interface is special because it does not have a
764 * proxy associated with the ifproxy as we handle IUnknown ourselves */
765 if (IsEqualIID(riid, &IID_IUnknown))
767 ifproxy->iface = (void *)&This->lpVtbl;
768 IMultiQI_AddRef((IMultiQI *)&This->lpVtbl);
773 hr = get_facbuf_for_iid(riid, &psfb);
776 /* important note: the outer unknown is set to the proxy manager.
777 * This ensures the COM identity rules are not violated, by having a
778 * one-to-one mapping of objects on the proxy side to objects on the
779 * stub side, no matter which interface you view the object through */
780 hr = IPSFactoryBuffer_CreateProxy(psfb, (IUnknown *)&This->lpVtbl, riid,
781 &ifproxy->proxy, &ifproxy->iface);
782 IPSFactoryBuffer_Release(psfb);
784 ERR("Could not create proxy for interface %s, error 0x%08x\n",
785 debugstr_guid(riid), hr);
788 ERR("Could not get IPSFactoryBuffer for interface %s, error 0x%08x\n",
789 debugstr_guid(riid), hr);
792 hr = IRpcProxyBuffer_Connect(ifproxy->proxy, ifproxy->chan);
797 EnterCriticalSection(&This->cs);
798 list_add_tail(&This->interfaces, &ifproxy->entry);
799 LeaveCriticalSection(&This->cs);
802 TRACE("ifproxy %p created for IPID %s, interface %s with %lu public refs\n",
803 ifproxy, debugstr_guid(&stdobjref->ipid), debugstr_guid(riid), stdobjref->cPublicRefs);
806 ifproxy_destroy(ifproxy);
811 static HRESULT proxy_manager_find_ifproxy(struct proxy_manager * This, REFIID riid, struct ifproxy ** ifproxy_found)
813 HRESULT hr = E_NOINTERFACE; /* assume not found */
814 struct list * cursor;
816 EnterCriticalSection(&This->cs);
817 LIST_FOR_EACH(cursor, &This->interfaces)
819 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
820 if (IsEqualIID(riid, &ifproxy->iid))
822 *ifproxy_found = ifproxy;
827 LeaveCriticalSection(&This->cs);
832 static void proxy_manager_disconnect(struct proxy_manager * This)
834 struct list * cursor;
836 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
837 wine_dbgstr_longlong(This->oid));
839 EnterCriticalSection(&This->cs);
841 /* SORFP_NOLIFTIMEMGMT proxies (for IRemUnknown) shouldn't be
842 * disconnected - it won't do anything anyway, except cause
843 * problems for other objects that depend on this proxy always
845 if (!(This->sorflags & SORFP_NOLIFETIMEMGMT))
847 LIST_FOR_EACH(cursor, &This->interfaces)
849 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
850 ifproxy_disconnect(ifproxy);
854 /* apartment is being destroyed so don't keep a pointer around to it */
857 LeaveCriticalSection(&This->cs);
860 static HRESULT proxy_manager_get_remunknown(struct proxy_manager * This, IRemUnknown **remunk)
864 /* we don't want to try and unmarshal or use IRemUnknown if we don't want
865 * lifetime management */
866 if (This->sorflags & SORFP_NOLIFETIMEMGMT)
869 EnterCriticalSection(&This->cs);
871 /* already created - return existing object */
872 *remunk = This->remunk;
873 else if (!This->parent)
874 /* disconnected - we can't create IRemUnknown */
879 /* Don't want IRemUnknown lifetime management as this is IRemUnknown!
880 * We also don't care about whether or not the stub is still alive */
881 stdobjref.flags = SORFP_NOLIFETIMEMGMT | SORF_NOPING;
882 stdobjref.cPublicRefs = 1;
883 /* oxid of destination object */
884 stdobjref.oxid = This->oxid;
885 /* FIXME: what should be used for the oid? The DCOM draft doesn't say */
886 stdobjref.oid = (OID)-1;
887 /* FIXME: this is a hack around not having an OXID resolver yet -
888 * the OXID resolver should give us the IPID of the IRemUnknown
890 stdobjref.ipid.Data1 = 0xffffffff;
891 stdobjref.ipid.Data2 = 0xffff;
892 stdobjref.ipid.Data3 = 0xffff;
893 assert(sizeof(stdobjref.ipid.Data4) == sizeof(stdobjref.oxid));
894 memcpy(&stdobjref.ipid.Data4, &stdobjref.oxid, sizeof(OXID));
896 /* do the unmarshal */
897 hr = unmarshal_object(&stdobjref, This->parent, This->dest_context,
898 This->dest_context_data, &IID_IRemUnknown,
899 (void**)&This->remunk);
901 *remunk = This->remunk;
903 LeaveCriticalSection(&This->cs);
905 TRACE("got IRemUnknown* pointer %p, hr = 0x%08x\n", *remunk, hr);
910 /* destroys a proxy manager, freeing the memory it used.
911 * Note: this function should not be called from a list iteration in the
912 * apartment, due to the fact that it removes itself from the apartment and
913 * it could add a proxy to IRemUnknown into the apartment. */
914 static void proxy_manager_destroy(struct proxy_manager * This)
916 struct list * cursor;
918 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
919 wine_dbgstr_longlong(This->oid));
923 EnterCriticalSection(&This->parent->cs);
925 /* remove ourself from the list of proxy objects in the apartment */
926 LIST_FOR_EACH(cursor, &This->parent->proxies)
928 if (cursor == &This->entry)
930 list_remove(&This->entry);
935 LeaveCriticalSection(&This->parent->cs);
938 /* destroy all of the interface proxies */
939 while ((cursor = list_head(&This->interfaces)))
941 struct ifproxy * ifproxy = LIST_ENTRY(cursor, struct ifproxy, entry);
942 ifproxy_destroy(ifproxy);
945 if (This->remunk) IRemUnknown_Release(This->remunk);
947 DEBUG_CLEAR_CRITSEC_NAME(&This->cs);
948 DeleteCriticalSection(&This->cs);
950 CloseHandle(This->remoting_mutex);
952 HeapFree(GetProcessHeap(), 0, This);
955 /* finds the proxy manager corresponding to a given OXID and OID that has
956 * been unmarshaled in the specified apartment. The caller must release the
957 * reference to the proxy_manager when the object is no longer used. */
958 static BOOL find_proxy_manager(APARTMENT * apt, OXID oxid, OID oid, struct proxy_manager ** proxy_found)
961 struct list * cursor;
963 EnterCriticalSection(&apt->cs);
964 LIST_FOR_EACH(cursor, &apt->proxies)
966 struct proxy_manager * proxy = LIST_ENTRY(cursor, struct proxy_manager, entry);
967 if ((oxid == proxy->oxid) && (oid == proxy->oid))
969 *proxy_found = proxy;
970 ClientIdentity_AddRef((IMultiQI *)&proxy->lpVtbl);
975 LeaveCriticalSection(&apt->cs);
979 HRESULT apartment_disconnectproxies(struct apartment *apt)
981 struct list * cursor;
983 LIST_FOR_EACH(cursor, &apt->proxies)
985 struct proxy_manager * proxy = LIST_ENTRY(cursor, struct proxy_manager, entry);
986 proxy_manager_disconnect(proxy);
992 /********************** StdMarshal implementation ****************************/
993 typedef struct _StdMarshalImpl
995 const IMarshalVtbl *lpvtbl;
1000 LPVOID pvDestContext;
1004 static HRESULT WINAPI
1005 StdMarshalImpl_QueryInterface(LPMARSHAL iface, REFIID riid, LPVOID *ppv)
1008 if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IMarshal, riid))
1011 IUnknown_AddRef(iface);
1014 FIXME("No interface for %s.\n", debugstr_guid(riid));
1015 return E_NOINTERFACE;
1019 StdMarshalImpl_AddRef(LPMARSHAL iface)
1021 StdMarshalImpl *This = (StdMarshalImpl *)iface;
1022 return InterlockedIncrement(&This->ref);
1026 StdMarshalImpl_Release(LPMARSHAL iface)
1028 StdMarshalImpl *This = (StdMarshalImpl *)iface;
1029 ULONG ref = InterlockedDecrement(&This->ref);
1031 if (!ref) HeapFree(GetProcessHeap(),0,This);
1035 static HRESULT WINAPI
1036 StdMarshalImpl_GetUnmarshalClass(
1037 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
1038 void* pvDestContext, DWORD mshlflags, CLSID* pCid)
1040 *pCid = CLSID_DfMarshal;
1044 static HRESULT WINAPI
1045 StdMarshalImpl_GetMarshalSizeMax(
1046 LPMARSHAL iface, REFIID riid, void* pv, DWORD dwDestContext,
1047 void* pvDestContext, DWORD mshlflags, DWORD* pSize)
1049 *pSize = sizeof(STDOBJREF);
1053 static HRESULT WINAPI
1054 StdMarshalImpl_MarshalInterface(
1055 LPMARSHAL iface, IStream *pStm,REFIID riid, void* pv, DWORD dwDestContext,
1056 void* pvDestContext, DWORD mshlflags)
1058 STDOBJREF stdobjref;
1061 APARTMENT *apt = COM_CurrentApt();
1063 TRACE("(...,%s,...)\n", debugstr_guid(riid));
1067 ERR("Apartment not initialized\n");
1068 return CO_E_NOTINITIALIZED;
1071 /* make sure this apartment can be reached from other threads / processes */
1072 RPC_StartRemoting(apt);
1074 hres = marshal_object(apt, &stdobjref, riid, (IUnknown *)pv, mshlflags);
1077 ERR("Failed to create ifstub, hres=0x%x\n", hres);
1081 hres = IStream_Write(pStm, &stdobjref, sizeof(stdobjref), &res);
1082 if (hres) return hres;
1087 /* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
1088 * no questions asked about the rules surrounding same-apartment unmarshals
1089 * and table marshaling */
1090 static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt,
1091 MSHCTX dest_context, void *dest_context_data,
1092 REFIID riid, void **object)
1094 struct proxy_manager *proxy_manager = NULL;
1099 TRACE("stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
1100 stdobjref->flags, stdobjref->cPublicRefs,
1101 wine_dbgstr_longlong(stdobjref->oxid),
1102 wine_dbgstr_longlong(stdobjref->oid),
1103 debugstr_guid(&stdobjref->ipid));
1105 /* create a new proxy manager if one doesn't already exist for the
1107 if (!find_proxy_manager(apt, stdobjref->oxid, stdobjref->oid, &proxy_manager))
1109 hr = proxy_manager_construct(apt, stdobjref->flags,
1110 stdobjref->oxid, stdobjref->oid,
1114 TRACE("proxy manager already created, using\n");
1118 struct ifproxy * ifproxy;
1120 proxy_manager_set_context(proxy_manager, dest_context, dest_context_data);
1122 hr = proxy_manager_find_ifproxy(proxy_manager, riid, &ifproxy);
1123 if (hr == E_NOINTERFACE)
1125 IRpcChannelBuffer *chanbuf;
1126 hr = RPC_CreateClientChannel(&stdobjref->oxid, &stdobjref->ipid,
1127 proxy_manager->dest_context,
1128 proxy_manager->dest_context_data,
1131 hr = proxy_manager_create_ifproxy(proxy_manager, stdobjref,
1132 riid, chanbuf, &ifproxy);
1135 IUnknown_AddRef((IUnknown *)ifproxy->iface);
1139 InterlockedExchangeAdd((LONG *)&ifproxy->refs, stdobjref->cPublicRefs);
1140 /* get at least one external reference to the object to keep it alive */
1141 hr = ifproxy_get_public_ref(ifproxy);
1143 ifproxy_destroy(ifproxy);
1147 *object = ifproxy->iface;
1150 /* release our reference to the proxy manager - the client/apartment
1151 * will hold on to the remaining reference for us */
1152 if (proxy_manager) ClientIdentity_Release((IMultiQI*)&proxy_manager->lpVtbl);
1157 static HRESULT WINAPI
1158 StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
1160 StdMarshalImpl *This = (StdMarshalImpl *)iface;
1161 struct stub_manager *stubmgr;
1162 STDOBJREF stdobjref;
1165 APARTMENT *apt = COM_CurrentApt();
1166 APARTMENT *stub_apt;
1169 TRACE("(...,%s,....)\n", debugstr_guid(riid));
1171 /* we need an apartment to unmarshal into */
1174 ERR("Apartment not initialized\n");
1175 return CO_E_NOTINITIALIZED;
1178 /* read STDOBJREF from wire */
1179 hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
1180 if (hres) return STG_E_READFAULT;
1182 hres = apartment_getoxid(apt, &oxid);
1183 if (hres) return hres;
1185 /* check if we're marshalling back to ourselves */
1186 if ((oxid == stdobjref.oxid) && (stubmgr = get_stub_manager(apt, stdobjref.oid)))
1188 TRACE("Unmarshalling object marshalled in same apartment for iid %s, "
1189 "returning original object %p\n", debugstr_guid(riid), stubmgr->object);
1191 hres = IUnknown_QueryInterface(stubmgr->object, riid, ppv);
1193 /* unref the ifstub. FIXME: only do this on success? */
1194 if (!stub_manager_is_table_marshaled(stubmgr, &stdobjref.ipid))
1195 stub_manager_ext_release(stubmgr, stdobjref.cPublicRefs, TRUE);
1197 stub_manager_int_release(stubmgr);
1201 /* notify stub manager about unmarshal if process-local object.
1202 * note: if the oxid is not found then we and native will quite happily
1203 * ignore table marshaling and normal marshaling rules regarding number of
1204 * unmarshals, etc, but if you abuse these rules then your proxy could end
1205 * up returning RPC_E_DISCONNECTED. */
1206 if ((stub_apt = apartment_findfromoxid(stdobjref.oxid, TRUE)))
1208 if ((stubmgr = get_stub_manager(stub_apt, stdobjref.oid)))
1210 if (!stub_manager_notify_unmarshal(stubmgr, &stdobjref.ipid))
1211 hres = CO_E_OBJNOTCONNECTED;
1213 stub_manager_int_release(stubmgr);
1217 WARN("Couldn't find object for OXID %s, OID %s, assuming disconnected\n",
1218 wine_dbgstr_longlong(stdobjref.oxid),
1219 wine_dbgstr_longlong(stdobjref.oid));
1220 hres = CO_E_OBJNOTCONNECTED;
1223 apartment_release(stub_apt);
1226 TRACE("Treating unmarshal from OXID %s as inter-process\n",
1227 wine_dbgstr_longlong(stdobjref.oxid));
1230 hres = unmarshal_object(&stdobjref, apt, This->dwDestContext,
1231 This->pvDestContext, riid, ppv);
1233 if (hres) WARN("Failed with error 0x%08x\n", hres);
1234 else TRACE("Successfully created proxy %p\n", *ppv);
1239 static HRESULT WINAPI
1240 StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface, IStream *pStm)
1242 STDOBJREF stdobjref;
1245 struct stub_manager *stubmgr;
1248 TRACE("iface=%p, pStm=%p\n", iface, pStm);
1250 hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
1251 if (hres) return STG_E_READFAULT;
1253 TRACE("oxid = %s, oid = %s, ipid = %s\n",
1254 wine_dbgstr_longlong(stdobjref.oxid),
1255 wine_dbgstr_longlong(stdobjref.oid),
1256 wine_dbgstr_guid(&stdobjref.ipid));
1258 if (!(apt = apartment_findfromoxid(stdobjref.oxid, TRUE)))
1260 WARN("Could not map OXID %s to apartment object\n",
1261 wine_dbgstr_longlong(stdobjref.oxid));
1262 return RPC_E_INVALID_OBJREF;
1265 if (!(stubmgr = get_stub_manager(apt, stdobjref.oid)))
1267 ERR("could not map object ID to stub manager, oxid=%s, oid=%s\n",
1268 wine_dbgstr_longlong(stdobjref.oxid), wine_dbgstr_longlong(stdobjref.oid));
1269 return RPC_E_INVALID_OBJREF;
1272 stub_manager_release_marshal_data(stubmgr, stdobjref.cPublicRefs, &stdobjref.ipid);
1274 stub_manager_int_release(stubmgr);
1275 apartment_release(apt);
1280 static HRESULT WINAPI
1281 StdMarshalImpl_DisconnectObject(LPMARSHAL iface, DWORD dwReserved)
1283 FIXME("(), stub!\n");
1287 static const IMarshalVtbl VT_StdMarshal =
1289 StdMarshalImpl_QueryInterface,
1290 StdMarshalImpl_AddRef,
1291 StdMarshalImpl_Release,
1292 StdMarshalImpl_GetUnmarshalClass,
1293 StdMarshalImpl_GetMarshalSizeMax,
1294 StdMarshalImpl_MarshalInterface,
1295 StdMarshalImpl_UnmarshalInterface,
1296 StdMarshalImpl_ReleaseMarshalData,
1297 StdMarshalImpl_DisconnectObject
1300 static HRESULT StdMarshalImpl_Construct(REFIID riid, void** ppvObject)
1302 StdMarshalImpl * pStdMarshal =
1303 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(StdMarshalImpl));
1305 return E_OUTOFMEMORY;
1306 pStdMarshal->lpvtbl = &VT_StdMarshal;
1307 pStdMarshal->ref = 0;
1308 return IMarshal_QueryInterface((IMarshal*)pStdMarshal, riid, ppvObject);
1311 /***********************************************************************
1312 * CoGetStandardMarshal [OLE32.@]
1314 * Gets or creates a standard marshal object.
1317 * riid [I] Interface identifier of the pUnk object.
1318 * pUnk [I] Optional. Object to get the marshal object for.
1319 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1320 * pvDestContext [I] Reserved. Must be NULL.
1321 * mshlflags [I] Flags affecting the marshaling process.
1322 * ppMarshal [O] Address where marshal object will be stored.
1326 * Failure: HRESULT code.
1330 * The function retrieves the IMarshal object associated with an object if
1331 * that object is currently an active stub, otherwise a new marshal object is
1334 HRESULT WINAPI CoGetStandardMarshal(REFIID riid, IUnknown *pUnk,
1335 DWORD dwDestContext, LPVOID pvDestContext,
1336 DWORD mshlflags, LPMARSHAL *ppMarshal)
1342 FIXME("(%s,NULL,%x,%p,%x,%p), unimplemented yet.\n",
1343 debugstr_guid(riid),dwDestContext,pvDestContext,mshlflags,ppMarshal);
1346 TRACE("(%s,%p,%x,%p,%x,%p)\n",
1347 debugstr_guid(riid),pUnk,dwDestContext,pvDestContext,mshlflags,ppMarshal);
1348 *ppMarshal = HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl));
1349 dm = (StdMarshalImpl*) *ppMarshal;
1350 if (!dm) return E_FAIL;
1351 dm->lpvtbl = &VT_StdMarshal;
1355 dm->dwDestContext = dwDestContext;
1356 dm->pvDestContext = pvDestContext;
1357 dm->mshlflags = mshlflags;
1361 /***********************************************************************
1362 * get_marshaler [internal]
1364 * Retrieves an IMarshal interface for an object.
1366 static HRESULT get_marshaler(REFIID riid, IUnknown *pUnk, DWORD dwDestContext,
1367 void *pvDestContext, DWORD mshlFlags,
1368 LPMARSHAL *pMarshal)
1374 hr = IUnknown_QueryInterface(pUnk, &IID_IMarshal, (LPVOID*)pMarshal);
1376 hr = CoGetStandardMarshal(riid, pUnk, dwDestContext, pvDestContext,
1377 mshlFlags, pMarshal);
1381 /***********************************************************************
1382 * get_unmarshaler_from_stream [internal]
1384 * Creates an IMarshal* object according to the data marshaled to the stream.
1385 * The function leaves the stream pointer at the start of the data written
1386 * to the stream by the IMarshal* object.
1388 static HRESULT get_unmarshaler_from_stream(IStream *stream, IMarshal **marshal, IID *iid)
1394 /* read common OBJREF header */
1395 hr = IStream_Read(stream, &objref, FIELD_OFFSET(OBJREF, u_objref), &res);
1396 if (hr || (res != FIELD_OFFSET(OBJREF, u_objref)))
1398 ERR("Failed to read common OBJREF header, 0x%08x\n", hr);
1399 return STG_E_READFAULT;
1402 /* sanity check on header */
1403 if (objref.signature != OBJREF_SIGNATURE)
1405 ERR("Bad OBJREF signature 0x%08lx\n", objref.signature);
1406 return RPC_E_INVALID_OBJREF;
1409 if (iid) *iid = objref.iid;
1411 /* FIXME: handler marshaling */
1412 if (objref.flags & OBJREF_STANDARD)
1414 TRACE("Using standard unmarshaling\n");
1415 hr = StdMarshalImpl_Construct(&IID_IMarshal, (LPVOID*)marshal);
1417 else if (objref.flags & OBJREF_CUSTOM)
1419 ULONG custom_header_size = FIELD_OFFSET(OBJREF, u_objref.u_custom.pData) -
1420 FIELD_OFFSET(OBJREF, u_objref.u_custom);
1421 TRACE("Using custom unmarshaling\n");
1422 /* read constant sized OR_CUSTOM data from stream */
1423 hr = IStream_Read(stream, &objref.u_objref.u_custom,
1424 custom_header_size, &res);
1425 if (hr || (res != custom_header_size))
1427 ERR("Failed to read OR_CUSTOM header, 0x%08x\n", hr);
1428 return STG_E_READFAULT;
1430 /* now create the marshaler specified in the stream */
1431 hr = CoCreateInstance(&objref.u_objref.u_custom.clsid, NULL,
1432 CLSCTX_INPROC_SERVER, &IID_IMarshal,
1437 FIXME("Invalid or unimplemented marshaling type specified: %lx\n",
1439 return RPC_E_INVALID_OBJREF;
1443 ERR("Failed to create marshal, 0x%08x\n", hr);
1448 /***********************************************************************
1449 * CoGetMarshalSizeMax [OLE32.@]
1451 * Gets the maximum amount of data that will be needed by a marshal.
1454 * pulSize [O] Address where maximum marshal size will be stored.
1455 * riid [I] Identifier of the interface to marshal.
1456 * pUnk [I] Pointer to the object to marshal.
1457 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1458 * pvDestContext [I] Reserved. Must be NULL.
1459 * mshlFlags [I] Flags that affect the marshaling. See CoMarshalInterface().
1463 * Failure: HRESULT code.
1466 * CoMarshalInterface().
1468 HRESULT WINAPI CoGetMarshalSizeMax(ULONG *pulSize, REFIID riid, IUnknown *pUnk,
1469 DWORD dwDestContext, void *pvDestContext,
1474 CLSID marshaler_clsid;
1476 hr = get_marshaler(riid, pUnk, dwDestContext, pvDestContext, mshlFlags, &pMarshal);
1480 hr = IMarshal_GetUnmarshalClass(pMarshal, riid, pUnk, dwDestContext,
1481 pvDestContext, mshlFlags, &marshaler_clsid);
1484 ERR("IMarshal::GetUnmarshalClass failed, 0x%08x\n", hr);
1485 IMarshal_Release(pMarshal);
1489 hr = IMarshal_GetMarshalSizeMax(pMarshal, riid, pUnk, dwDestContext,
1490 pvDestContext, mshlFlags, pulSize);
1491 if (IsEqualCLSID(&marshaler_clsid, &CLSID_DfMarshal))
1492 /* add on the size of the common header */
1493 *pulSize += FIELD_OFFSET(OBJREF, u_objref);
1495 /* custom marshaling: add on the size of the whole OBJREF structure
1496 * like native does */
1497 *pulSize += sizeof(OBJREF);
1499 IMarshal_Release(pMarshal);
1504 static void dump_MSHLFLAGS(MSHLFLAGS flags)
1506 if (flags & MSHLFLAGS_TABLESTRONG)
1507 TRACE(" MSHLFLAGS_TABLESTRONG");
1508 if (flags & MSHLFLAGS_TABLEWEAK)
1509 TRACE(" MSHLFLAGS_TABLEWEAK");
1510 if (!(flags & (MSHLFLAGS_TABLESTRONG|MSHLFLAGS_TABLEWEAK)))
1511 TRACE(" MSHLFLAGS_NORMAL");
1512 if (flags & MSHLFLAGS_NOPING)
1513 TRACE(" MSHLFLAGS_NOPING");
1516 /***********************************************************************
1517 * CoMarshalInterface [OLE32.@]
1519 * Marshals an interface into a stream so that the object can then be
1520 * unmarshaled from another COM apartment and used remotely.
1523 * pStream [I] Stream the object will be marshaled into.
1524 * riid [I] Identifier of the interface to marshal.
1525 * pUnk [I] Pointer to the object to marshal.
1526 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1527 * pvDestContext [I] Reserved. Must be NULL.
1528 * mshlFlags [I] Flags that affect the marshaling. See notes.
1532 * Failure: HRESULT code.
1536 * The mshlFlags parameter can take one or more of the following flags:
1537 *| MSHLFLAGS_NORMAL - Unmarshal once, releases stub on last proxy release.
1538 *| MSHLFLAGS_TABLESTRONG - Unmarshal many, release when CoReleaseMarshalData() called.
1539 *| MSHLFLAGS_TABLEWEAK - Unmarshal many, releases stub on last proxy release.
1540 *| MSHLFLAGS_NOPING - No automatic garbage collection (and so reduces network traffic).
1542 * If a marshaled object is not unmarshaled, then CoReleaseMarshalData() must
1543 * be called in order to release the resources used in the marshaling.
1546 * CoUnmarshalInterface(), CoReleaseMarshalData().
1548 HRESULT WINAPI CoMarshalInterface(IStream *pStream, REFIID riid, IUnknown *pUnk,
1549 DWORD dwDestContext, void *pvDestContext,
1553 CLSID marshaler_clsid;
1557 TRACE("(%p, %s, %p, %x, %p,", pStream, debugstr_guid(riid), pUnk,
1558 dwDestContext, pvDestContext);
1559 dump_MSHLFLAGS(mshlFlags);
1562 if (!pUnk || !pStream)
1563 return E_INVALIDARG;
1565 objref.signature = OBJREF_SIGNATURE;
1568 /* get the marshaler for the specified interface */
1569 hr = get_marshaler(riid, pUnk, dwDestContext, pvDestContext, mshlFlags, &pMarshal);
1572 ERR("Failed to get marshaller, 0x%08x\n", hr);
1576 hr = IMarshal_GetUnmarshalClass(pMarshal, riid, pUnk, dwDestContext,
1577 pvDestContext, mshlFlags, &marshaler_clsid);
1580 ERR("IMarshal::GetUnmarshalClass failed, 0x%08x\n", hr);
1584 /* FIXME: implement handler marshaling too */
1585 if (IsEqualCLSID(&marshaler_clsid, &CLSID_DfMarshal))
1587 TRACE("Using standard marshaling\n");
1588 objref.flags = OBJREF_STANDARD;
1590 /* write the common OBJREF header to the stream */
1591 hr = IStream_Write(pStream, &objref, FIELD_OFFSET(OBJREF, u_objref), NULL);
1594 ERR("Failed to write OBJREF header to stream, 0x%08x\n", hr);
1600 TRACE("Using custom marshaling\n");
1601 objref.flags = OBJREF_CUSTOM;
1602 objref.u_objref.u_custom.clsid = marshaler_clsid;
1603 objref.u_objref.u_custom.cbExtension = 0;
1604 objref.u_objref.u_custom.size = 0;
1605 hr = IMarshal_GetMarshalSizeMax(pMarshal, riid, pUnk, dwDestContext,
1606 pvDestContext, mshlFlags,
1607 &objref.u_objref.u_custom.size);
1610 ERR("Failed to get max size of marshal data, error 0x%08x\n", hr);
1613 /* write constant sized common header and OR_CUSTOM data into stream */
1614 hr = IStream_Write(pStream, &objref,
1615 FIELD_OFFSET(OBJREF, u_objref.u_custom.pData), NULL);
1618 ERR("Failed to write OR_CUSTOM header to stream with 0x%08x\n", hr);
1623 TRACE("Calling IMarshal::MarshalInterace\n");
1624 /* call helper object to do the actual marshaling */
1625 hr = IMarshal_MarshalInterface(pMarshal, pStream, riid, pUnk, dwDestContext,
1626 pvDestContext, mshlFlags);
1630 ERR("Failed to marshal the interface %s, %x\n", debugstr_guid(riid), hr);
1635 IMarshal_Release(pMarshal);
1637 TRACE("completed with hr 0x%08x\n", hr);
1642 /***********************************************************************
1643 * CoUnmarshalInterface [OLE32.@]
1645 * Unmarshals an object from a stream by creating a proxy to the remote
1646 * object, if necessary.
1650 * pStream [I] Stream containing the marshaled object.
1651 * riid [I] Interface identifier of the object to create a proxy to.
1652 * ppv [O] Address where proxy will be stored.
1657 * Failure: HRESULT code.
1660 * CoMarshalInterface().
1662 HRESULT WINAPI CoUnmarshalInterface(IStream *pStream, REFIID riid, LPVOID *ppv)
1669 TRACE("(%p, %s, %p)\n", pStream, debugstr_guid(riid), ppv);
1671 if (!pStream || !ppv)
1672 return E_INVALIDARG;
1674 hr = get_unmarshaler_from_stream(pStream, &pMarshal, &iid);
1678 /* call the helper object to do the actual unmarshaling */
1679 hr = IMarshal_UnmarshalInterface(pMarshal, pStream, &iid, (LPVOID*)&object);
1681 ERR("IMarshal::UnmarshalInterface failed, 0x%08x\n", hr);
1685 /* IID_NULL means use the interface ID of the marshaled object */
1686 if (!IsEqualIID(riid, &IID_NULL) && !IsEqualIID(riid, &iid))
1688 TRACE("requested interface != marshalled interface, additional QI needed\n");
1689 hr = IUnknown_QueryInterface(object, riid, ppv);
1691 ERR("Couldn't query for interface %s, hr = 0x%08x\n",
1692 debugstr_guid(riid), hr);
1693 IUnknown_Release(object);
1701 IMarshal_Release(pMarshal);
1703 TRACE("completed with hr 0x%x\n", hr);
1708 /***********************************************************************
1709 * CoReleaseMarshalData [OLE32.@]
1711 * Releases resources associated with an object that has been marshaled into
1716 * pStream [I] The stream that the object has been marshaled into.
1720 * Failure: HRESULT error code.
1724 * Call this function to release resources associated with a normal or
1725 * table-weak marshal that will not be unmarshaled, and all table-strong
1726 * marshals when they are no longer needed.
1729 * CoMarshalInterface(), CoUnmarshalInterface().
1731 HRESULT WINAPI CoReleaseMarshalData(IStream *pStream)
1736 TRACE("(%p)\n", pStream);
1738 hr = get_unmarshaler_from_stream(pStream, &pMarshal, NULL);
1742 /* call the helper object to do the releasing of marshal data */
1743 hr = IMarshal_ReleaseMarshalData(pMarshal, pStream);
1745 ERR("IMarshal::ReleaseMarshalData failed with error 0x%08x\n", hr);
1747 IMarshal_Release(pMarshal);
1752 /***********************************************************************
1753 * CoMarshalInterThreadInterfaceInStream [OLE32.@]
1755 * Marshal an interface across threads in the same process.
1758 * riid [I] Identifier of the interface to be marshalled.
1759 * pUnk [I] Pointer to IUnknown-derived interface that will be marshalled.
1760 * ppStm [O] Pointer to IStream object that is created and then used to store the marshalled interface.
1764 * Failure: E_OUTOFMEMORY and other COM error codes
1767 * CoMarshalInterface(), CoUnmarshalInterface() and CoGetInterfaceAndReleaseStream()
1769 HRESULT WINAPI CoMarshalInterThreadInterfaceInStream(
1770 REFIID riid, LPUNKNOWN pUnk, LPSTREAM * ppStm)
1772 ULARGE_INTEGER xpos;
1773 LARGE_INTEGER seekto;
1776 TRACE("(%s, %p, %p)\n",debugstr_guid(riid), pUnk, ppStm);
1778 hres = CreateStreamOnHGlobal(NULL, TRUE, ppStm);
1779 if (FAILED(hres)) return hres;
1780 hres = CoMarshalInterface(*ppStm, riid, pUnk, MSHCTX_INPROC, NULL, MSHLFLAGS_NORMAL);
1782 if (SUCCEEDED(hres))
1784 memset(&seekto, 0, sizeof(seekto));
1785 IStream_Seek(*ppStm, seekto, STREAM_SEEK_SET, &xpos);
1789 IStream_Release(*ppStm);
1796 /***********************************************************************
1797 * CoGetInterfaceAndReleaseStream [OLE32.@]
1799 * Unmarshalls an interface from a stream and then releases the stream.
1802 * pStm [I] Stream that contains the marshalled interface.
1803 * riid [I] Interface identifier of the object to unmarshall.
1804 * ppv [O] Address of pointer where the requested interface object will be stored.
1808 * Failure: A COM error code
1811 * CoMarshalInterThreadInterfaceInStream() and CoUnmarshalInterface()
1813 HRESULT WINAPI CoGetInterfaceAndReleaseStream(LPSTREAM pStm, REFIID riid,
1818 TRACE("(%p, %s, %p)\n", pStm, debugstr_guid(riid), ppv);
1820 if(!pStm) return E_INVALIDARG;
1821 hres = CoUnmarshalInterface(pStm, riid, ppv);
1822 IStream_Release(pStm);
1826 static HRESULT WINAPI StdMarshalCF_QueryInterface(LPCLASSFACTORY iface,
1827 REFIID riid, LPVOID *ppv)
1830 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory))
1832 *ppv = (LPVOID)iface;
1835 return E_NOINTERFACE;
1838 static ULONG WINAPI StdMarshalCF_AddRef(LPCLASSFACTORY iface)
1840 return 2; /* non-heap based object */
1843 static ULONG WINAPI StdMarshalCF_Release(LPCLASSFACTORY iface)
1845 return 1; /* non-heap based object */
1848 static HRESULT WINAPI StdMarshalCF_CreateInstance(LPCLASSFACTORY iface,
1849 LPUNKNOWN pUnk, REFIID riid, LPVOID *ppv)
1851 if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IMarshal))
1852 return StdMarshalImpl_Construct(riid, ppv);
1854 FIXME("(%s), not supported.\n",debugstr_guid(riid));
1855 return E_NOINTERFACE;
1858 static HRESULT WINAPI StdMarshalCF_LockServer(LPCLASSFACTORY iface, BOOL fLock)
1860 FIXME("(%d), stub!\n",fLock);
1864 static const IClassFactoryVtbl StdMarshalCFVtbl =
1866 StdMarshalCF_QueryInterface,
1867 StdMarshalCF_AddRef,
1868 StdMarshalCF_Release,
1869 StdMarshalCF_CreateInstance,
1870 StdMarshalCF_LockServer
1872 static const IClassFactoryVtbl *StdMarshalCF = &StdMarshalCFVtbl;
1874 HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv)
1876 *ppv = &StdMarshalCF;
1880 /***********************************************************************
1881 * CoMarshalHresult [OLE32.@]
1883 * Marshals an HRESULT value into a stream.
1886 * pStm [I] Stream that hresult will be marshalled into.
1887 * hresult [I] HRESULT to be marshalled.
1891 * Failure: A COM error code
1894 * CoUnmarshalHresult().
1896 HRESULT WINAPI CoMarshalHresult(LPSTREAM pStm, HRESULT hresult)
1898 return IStream_Write(pStm, &hresult, sizeof(hresult), NULL);
1901 /***********************************************************************
1902 * CoUnmarshalHresult [OLE32.@]
1904 * Unmarshals an HRESULT value from a stream.
1907 * pStm [I] Stream that hresult will be unmarshalled from.
1908 * phresult [I] Pointer to HRESULT where the value will be unmarshalled to.
1912 * Failure: A COM error code
1915 * CoMarshalHresult().
1917 HRESULT WINAPI CoUnmarshalHresult(LPSTREAM pStm, HRESULT * phresult)
1919 return IStream_Read(pStm, phresult, sizeof(*phresult), NULL);