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 * Process Identifier, Object IUnknown ptr, IID
68 * Note that the IUnknown_QI(ob,xiid,&ppv) always returns the SAME ppv value!
70 * In Windows, a different triple is used: OXID (apt id), OID (stub
71 * manager id), IPID (interface ptr/stub id).
73 * OXIDs identify an apartment and are network scoped
74 * OIDs identify a stub manager and are apartment scoped
75 * IPIDs identify an interface stub and are apartment scoped
79 get_facbuf_for_iid(REFIID riid
,IPSFactoryBuffer
**facbuf
) {
83 if ((hres
= CoGetPSClsid(riid
,&pxclsid
)))
85 return CoGetClassObject(&pxclsid
,CLSCTX_INPROC_SERVER
,NULL
,&IID_IPSFactoryBuffer
,(LPVOID
*)facbuf
);
88 /* creates a new stub manager */
89 HRESULT
register_ifstub(APARTMENT
*apt
, STDOBJREF
*stdobjref
, REFIID riid
, IUnknown
*obj
, MSHLFLAGS mshlflags
)
91 struct stub_manager
*manager
;
92 struct ifstub
*ifstub
;
95 IPSFactoryBuffer
*psfb
;
98 hr
= get_facbuf_for_iid(riid
, &psfb
);
101 ERR("couldn't get IPSFactory buffer for interface %s\n", debugstr_guid(riid
));
105 hr
= IPSFactoryBuffer_CreateStub(psfb
, riid
, obj
, &stub
);
106 IPSFactoryBuffer_Release(psfb
);
109 ERR("Failed to create an IRpcStubBuffer from IPSFactory for %s\n", debugstr_guid(riid
));
113 if (mshlflags
& MSHLFLAGS_NOPING
)
114 stdobjref
->flags
= SORF_NOPING
;
116 stdobjref
->flags
= SORF_NULL
;
118 stdobjref
->oxid
= apt
->oxid
;
120 /* FIXME: what happens if we register an interface twice with different
121 * marshaling flags? */
122 if ((manager
= get_stub_manager_from_object(apt
, obj
)))
123 TRACE("registering new ifstub on pre-existing manager\n");
126 TRACE("constructing new stub manager\n");
128 manager
= new_stub_manager(apt
, obj
, mshlflags
);
130 return E_OUTOFMEMORY
;
132 stdobjref
->oid
= manager
->oid
;
134 tablemarshal
= ((mshlflags
& MSHLFLAGS_TABLESTRONG
) || (mshlflags
& MSHLFLAGS_TABLEWEAK
));
136 ifstub
= stub_manager_new_ifstub(manager
, stub
, obj
, riid
);
139 IRpcStubBuffer_Release(stub
);
140 stub_manager_int_release(manager
);
141 /* FIXME: should we do another release to completely destroy the
143 return E_OUTOFMEMORY
;
148 stdobjref
->cPublicRefs
= NORMALEXTREFS
;
149 stub_manager_ext_addref(manager
, stdobjref
->cPublicRefs
);
153 stdobjref
->cPublicRefs
= 0;
154 if (mshlflags
& MSHLFLAGS_TABLESTRONG
)
155 stub_manager_ext_addref(manager
, 1);
158 /* FIXME: check return value */
159 RPC_RegisterInterface(riid
);
161 stdobjref
->ipid
= ifstub
->ipid
;
163 stub_manager_int_release(manager
);
169 /* Client-side identity of the server object */
171 static HRESULT
proxy_manager_get_remunknown(struct proxy_manager
* This
, IRemUnknown
**remunk
);
172 static void proxy_manager_destroy(struct proxy_manager
* This
);
173 static HRESULT
proxy_manager_find_ifproxy(struct proxy_manager
* This
, REFIID riid
, struct ifproxy
** ifproxy_found
);
174 static HRESULT
proxy_manager_query_local_interface(struct proxy_manager
* This
, REFIID riid
, void ** ppv
);
176 static HRESULT WINAPI
ClientIdentity_QueryInterface(IMultiQI
* iface
, REFIID riid
, void ** ppv
)
181 TRACE("%s\n", debugstr_guid(riid
));
184 hr
= IMultiQI_QueryMultipleInterfaces(iface
, 1, &mqi
);
185 *ppv
= (void *)mqi
.pItf
;
190 static ULONG WINAPI
ClientIdentity_AddRef(IMultiQI
* iface
)
192 struct proxy_manager
* This
= (struct proxy_manager
*)iface
;
193 TRACE("%p - before %ld\n", iface
, This
->refs
);
194 return InterlockedIncrement(&This
->refs
);
197 static ULONG WINAPI
ClientIdentity_Release(IMultiQI
* iface
)
199 struct proxy_manager
* This
= (struct proxy_manager
*)iface
;
200 ULONG refs
= InterlockedDecrement(&This
->refs
);
201 TRACE("%p - after %ld\n", iface
, refs
);
203 proxy_manager_destroy(This
);
207 static HRESULT WINAPI
ClientIdentity_QueryMultipleInterfaces(IMultiQI
*iface
, ULONG cMQIs
, MULTI_QI
*pMQIs
)
209 struct proxy_manager
* This
= (struct proxy_manager
*)iface
;
210 REMQIRESULT
*qiresults
= NULL
;
211 ULONG nonlocal_mqis
= 0;
213 ULONG successful_mqis
= 0;
214 IID
*iids
= HeapAlloc(GetProcessHeap(), 0, cMQIs
* sizeof(*iids
));
215 /* mapping of RemQueryInterface index to QueryMultipleInterfaces index */
216 ULONG
*mapping
= HeapAlloc(GetProcessHeap(), 0, cMQIs
* sizeof(*mapping
));
218 TRACE("cMQIs: %ld\n", cMQIs
);
220 /* try to get a local interface - this includes already active proxy
221 * interfaces and also interfaces exposed by the proxy manager */
222 for (i
= 0; i
< cMQIs
; i
++)
224 TRACE("iid[%ld] = %s\n", i
, debugstr_guid(pMQIs
[i
].pIID
));
225 pMQIs
[i
].hr
= proxy_manager_query_local_interface(This
, pMQIs
[i
].pIID
, (void **)&pMQIs
[i
].pItf
);
226 if (pMQIs
[i
].hr
== S_OK
)
230 iids
[nonlocal_mqis
] = *pMQIs
[i
].pIID
;
231 mapping
[nonlocal_mqis
] = i
;
236 TRACE("%ld interfaces not found locally\n", nonlocal_mqis
);
238 /* if we have more than one interface not found locally then we must try
239 * to query the remote object for it */
240 if (nonlocal_mqis
!= 0)
246 /* get the ipid of the first entry */
247 /* FIXME: should we implement ClientIdentity on the ifproxies instead
248 * of the proxy_manager so we use the correct ipid here? */
249 ipid
= &LIST_ENTRY(list_head(&This
->interfaces
), struct ifproxy
, entry
)->ipid
;
251 /* get IRemUnknown proxy so we can communicate with the remote object */
252 hr
= proxy_manager_get_remunknown(This
, &remunk
);
256 hr
= IRemUnknown_RemQueryInterface(remunk
, ipid
, NORMALEXTREFS
,
257 nonlocal_mqis
, iids
, &qiresults
);
259 ERR("IRemUnknown_RemQueryInterface failed with error 0x%08lx\n", hr
);
262 /* IRemUnknown_RemQueryInterface can return S_FALSE if only some of
263 * the interfaces were returned */
266 /* try to unmarshal each object returned to us */
267 for (i
= 0; i
< nonlocal_mqis
; i
++)
269 ULONG index
= mapping
[i
];
270 HRESULT hrobj
= qiresults
[i
].hResult
;
272 hrobj
= unmarshal_object(&qiresults
[i
].std
, This
->parent
,
274 (void **)&pMQIs
[index
].pItf
);
279 ERR("Failed to get pointer to interface %s\n", debugstr_guid(pMQIs
[index
].pIID
));
280 pMQIs
[index
].hr
= hrobj
;
284 /* free the memory allocated by the proxy */
285 CoTaskMemFree(qiresults
);
288 TRACE("%ld/%ld successfully queried\n", successful_mqis
, cMQIs
);
290 HeapFree(GetProcessHeap(), 0, iids
);
291 HeapFree(GetProcessHeap(), 0, mapping
);
293 if (successful_mqis
== cMQIs
)
294 return S_OK
; /* we got all requested interfaces */
295 else if (successful_mqis
== 0)
296 return E_NOINTERFACE
; /* we didn't get any interfaces */
298 return S_FALSE
; /* we got some interfaces */
301 static const IMultiQIVtbl ClientIdentity_Vtbl
=
303 ClientIdentity_QueryInterface
,
304 ClientIdentity_AddRef
,
305 ClientIdentity_Release
,
306 ClientIdentity_QueryMultipleInterfaces
309 static HRESULT
ifproxy_get_public_ref(struct ifproxy
* This
)
312 /* FIXME: as this call could possibly be going over the network, we
313 * are going to spend a long time in this CS. We might want to replace
314 * this with a mutex */
315 EnterCriticalSection(&This
->parent
->cs
);
318 IRemUnknown
*remunk
= NULL
;
320 TRACE("getting public ref for ifproxy %p\n", This
);
322 hr
= proxy_manager_get_remunknown(This
->parent
, &remunk
);
327 rif
.ipid
= This
->ipid
;
328 rif
.cPublicRefs
= NORMALEXTREFS
;
329 rif
.cPrivateRefs
= 0;
330 hr
= IRemUnknown_RemAddRef(remunk
, 1, &rif
, &hrref
);
331 if (hr
== S_OK
&& hrref
== S_OK
)
332 This
->refs
+= NORMALEXTREFS
;
334 ERR("IRemUnknown_RemAddRef returned with 0x%08lx, hrref = 0x%08lx\n", hr
, hrref
);
337 LeaveCriticalSection(&This
->parent
->cs
);
342 static HRESULT
ifproxy_release_public_refs(struct ifproxy
* This
)
346 /* FIXME: as this call could possibly be going over the network, we
347 * are going to spend a long time in this CS. We might want to replace
348 * this with a mutex */
349 EnterCriticalSection(&This
->parent
->cs
);
352 IRemUnknown
*remunk
= NULL
;
354 TRACE("releasing %ld refs\n", This
->refs
);
356 hr
= proxy_manager_get_remunknown(This
->parent
, &remunk
);
360 rif
.ipid
= This
->ipid
;
361 rif
.cPublicRefs
= This
->refs
;
362 rif
.cPrivateRefs
= 0;
363 hr
= IRemUnknown_RemRelease(remunk
, 1, &rif
);
366 else if (hr
== RPC_E_DISCONNECTED
)
367 WARN("couldn't release references because object was "
368 "disconnected: oxid = %s, oid = %s\n",
369 wine_dbgstr_longlong(This
->parent
->oxid
),
370 wine_dbgstr_longlong(This
->parent
->oid
));
372 ERR("IRemUnknown_RemRelease failed with error 0x%08lx\n", hr
);
375 LeaveCriticalSection(&This
->parent
->cs
);
380 static void ifproxy_disconnect(struct ifproxy
* This
)
382 ifproxy_release_public_refs(This
);
383 if (This
->proxy
) IRpcProxyBuffer_Disconnect(This
->proxy
);
386 static void ifproxy_destroy(struct ifproxy
* This
)
390 /* release public references to this object so that the stub can know
391 * when to destroy itself */
392 ifproxy_release_public_refs(This
);
394 list_remove(&This
->entry
);
396 /* note: we don't call Release for This->proxy because its lifetime is
397 * controlled by the return value from ClientIdentity_Release, which this
398 * function is always called from */
400 HeapFree(GetProcessHeap(), 0, This
);
403 static HRESULT
proxy_manager_construct(
404 APARTMENT
* apt
, ULONG sorflags
, OXID oxid
, OID oid
,
405 IRpcChannelBuffer
* channel
, struct proxy_manager
** proxy_manager
)
407 struct proxy_manager
* This
= HeapAlloc(GetProcessHeap(), 0, sizeof(*This
));
408 if (!This
) return E_OUTOFMEMORY
;
410 This
->lpVtbl
= &ClientIdentity_Vtbl
;
412 list_init(&This
->entry
);
413 list_init(&This
->interfaces
);
415 InitializeCriticalSection(&This
->cs
);
417 /* the apartment the object was unmarshaled into */
420 /* the source apartment and id of the object */
426 /* the DCOM draft specification states that the SORF_NOPING flag is
427 * proxy manager specific, not ifproxy specific, so this implies that we
428 * should store the STDOBJREF flags in the proxy manager. */
429 This
->sorflags
= sorflags
;
432 This
->chan
= channel
; /* FIXME: we should take the binding strings and construct the channel in this function */
434 /* we create the IRemUnknown proxy on demand */
437 EnterCriticalSection(&apt
->cs
);
438 /* FIXME: we are dependent on the ordering in here to make sure a proxy's
439 * IRemUnknown proxy doesn't get destroyed before the regual proxy does
440 * because we need the IRemUnknown proxy during the destruction of the
441 * regular proxy. Ideally, we should maintain a separate list for the
442 * IRemUnknown proxies that need late destruction */
443 list_add_tail(&apt
->proxies
, &This
->entry
);
444 LeaveCriticalSection(&apt
->cs
);
446 TRACE("%p created for OXID %s, OID %s\n", This
,
447 wine_dbgstr_longlong(oxid
), wine_dbgstr_longlong(oid
));
449 *proxy_manager
= This
;
453 static HRESULT
proxy_manager_query_local_interface(struct proxy_manager
* This
, REFIID riid
, void ** ppv
)
456 struct ifproxy
* ifproxy
;
458 TRACE("%s\n", debugstr_guid(riid
));
460 if (IsEqualIID(riid
, &IID_IUnknown
) ||
461 IsEqualIID(riid
, &IID_IMultiQI
))
463 *ppv
= (void *)&This
->lpVtbl
;
464 IMultiQI_AddRef((IMultiQI
*)&This
->lpVtbl
);
468 hr
= proxy_manager_find_ifproxy(This
, riid
, &ifproxy
);
471 *ppv
= ifproxy
->iface
;
472 IUnknown_AddRef((IUnknown
*)*ppv
);
477 return E_NOINTERFACE
;
480 static HRESULT
proxy_manager_create_ifproxy(
481 struct proxy_manager
* This
, const IPID
*ipid
, REFIID riid
, ULONG cPublicRefs
,
482 struct ifproxy
** iif_out
)
485 IPSFactoryBuffer
* psfb
;
486 struct ifproxy
* ifproxy
= HeapAlloc(GetProcessHeap(), 0, sizeof(*ifproxy
));
487 if (!ifproxy
) return E_OUTOFMEMORY
;
489 list_init(&ifproxy
->entry
);
491 ifproxy
->parent
= This
;
492 ifproxy
->ipid
= *ipid
;
493 ifproxy
->iid
= *riid
;
494 ifproxy
->refs
= cPublicRefs
;
495 ifproxy
->proxy
= NULL
;
497 /* the IUnknown interface is special because it does not have a
498 * proxy associated with the ifproxy as we handle IUnknown ourselves */
499 if (IsEqualIID(riid
, &IID_IUnknown
))
501 ifproxy
->iface
= (void *)&This
->lpVtbl
;
506 hr
= get_facbuf_for_iid(riid
, &psfb
);
509 /* important note: the outer unknown is set to the proxy manager.
510 * This ensures the COM identity rules are not violated, by having a
511 * one-to-one mapping of objects on the proxy side to objects on the
512 * stub side, no matter which interface you view the object through */
513 hr
= IPSFactoryBuffer_CreateProxy(psfb
, (IUnknown
*)&This
->lpVtbl
, riid
,
514 &ifproxy
->proxy
, &ifproxy
->iface
);
515 IPSFactoryBuffer_Release(psfb
);
517 ERR("Could not create proxy for interface %s, error 0x%08lx\n",
518 debugstr_guid(riid
), hr
);
521 ERR("Could not get IPSFactoryBuffer for interface %s, error 0x%08lx\n",
522 debugstr_guid(riid
), hr
);
525 hr
= IRpcProxyBuffer_Connect(ifproxy
->proxy
, This
->chan
);
528 /* get at least one external reference to the object to keep it alive */
530 hr
= ifproxy_get_public_ref(ifproxy
);
534 EnterCriticalSection(&This
->cs
);
535 list_add_tail(&This
->interfaces
, &ifproxy
->entry
);
536 LeaveCriticalSection(&This
->cs
);
539 TRACE("ifproxy %p created for IPID %s, interface %s with %lu public refs\n",
540 ifproxy
, debugstr_guid(ipid
), debugstr_guid(riid
), cPublicRefs
);
543 ifproxy_destroy(ifproxy
);
548 static HRESULT
proxy_manager_find_ifproxy(struct proxy_manager
* This
, REFIID riid
, struct ifproxy
** ifproxy_found
)
550 HRESULT hr
= E_NOINTERFACE
; /* assume not found */
551 struct list
* cursor
;
553 EnterCriticalSection(&This
->cs
);
554 LIST_FOR_EACH(cursor
, &This
->interfaces
)
556 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
557 if (IsEqualIID(riid
, &ifproxy
->iid
))
559 *ifproxy_found
= ifproxy
;
564 LeaveCriticalSection(&This
->cs
);
569 static void proxy_manager_disconnect(struct proxy_manager
* This
)
571 struct list
* cursor
;
573 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This
->oxid
),
574 wine_dbgstr_longlong(This
->oid
));
576 EnterCriticalSection(&This
->cs
);
578 LIST_FOR_EACH(cursor
, &This
->interfaces
)
580 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
581 ifproxy_disconnect(ifproxy
);
584 /* apartment is being destroyed so don't keep a pointer around to it */
587 /* FIXME: will this still be necessary if/when we use a real RPC
589 IRpcChannelBuffer_Release(This
->chan
);
592 LeaveCriticalSection(&This
->cs
);
595 static HRESULT
proxy_manager_get_remunknown(struct proxy_manager
* This
, IRemUnknown
**remunk
)
599 /* we don't want to try and unmarshal or use IRemUnknown if we don't want
600 * lifetime management */
601 if (This
->sorflags
& SORFP_NOLIFETIMEMGMT
)
604 EnterCriticalSection(&This
->cs
);
606 /* already created - return existing object */
607 *remunk
= This
->remunk
;
608 else if (!This
->parent
)
609 /* disconnected - we can't create IRemUnknown */
614 /* Don't want IRemUnknown lifetime management as this is IRemUnknown!
615 * We also don't care about whether or not the stub is still alive */
616 stdobjref
.flags
= SORFP_NOLIFETIMEMGMT
| SORF_NOPING
;
617 stdobjref
.cPublicRefs
= 1;
618 /* oxid of destination object */
619 stdobjref
.oxid
= This
->oxid
;
620 /* FIXME: what should be used for the oid? The DCOM draft doesn't say */
621 stdobjref
.oid
= (OID
)-1;
622 /* FIXME: this is a hack around not having an OXID resolver yet -
623 * the OXID resolver should give us the IPID of the IRemUnknown
625 stdobjref
.ipid
.Data1
= 0xffffffff;
626 stdobjref
.ipid
.Data2
= 0xffff;
627 stdobjref
.ipid
.Data3
= 0xffff;
628 assert(sizeof(stdobjref
.ipid
.Data4
) == sizeof(stdobjref
.oxid
));
629 memcpy(&stdobjref
.ipid
.Data4
, &stdobjref
.oxid
, sizeof(OXID
));
631 /* do the unmarshal */
632 hr
= unmarshal_object(&stdobjref
, This
->parent
, &IID_IRemUnknown
, (void**)&This
->remunk
);
634 *remunk
= This
->remunk
;
636 LeaveCriticalSection(&This
->cs
);
638 TRACE("got IRemUnknown* pointer %p, hr = 0x%08lx\n", *remunk
, hr
);
643 /* destroys a proxy manager, freeing the memory it used.
644 * Note: this function should not be called from a list iteration in the
645 * apartment, due to the fact that it removes itself from the apartment and
646 * it could add a proxy to IRemUnknown into the apartment. */
647 static void proxy_manager_destroy(struct proxy_manager
* This
)
649 struct list
* cursor
;
651 TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This
->oxid
),
652 wine_dbgstr_longlong(This
->oid
));
656 EnterCriticalSection(&This
->parent
->cs
);
658 /* remove ourself from the list of proxy objects in the apartment */
659 LIST_FOR_EACH(cursor
, &This
->parent
->proxies
)
661 if (cursor
== &This
->entry
)
663 list_remove(&This
->entry
);
668 LeaveCriticalSection(&This
->parent
->cs
);
671 /* destroy all of the interface proxies */
672 while ((cursor
= list_head(&This
->interfaces
)))
674 struct ifproxy
* ifproxy
= LIST_ENTRY(cursor
, struct ifproxy
, entry
);
675 ifproxy_destroy(ifproxy
);
678 if (This
->remunk
) IRemUnknown_Release(This
->remunk
);
679 if (This
->chan
) IRpcChannelBuffer_Release(This
->chan
);
681 DeleteCriticalSection(&This
->cs
);
683 HeapFree(GetProcessHeap(), 0, This
);
686 /* finds the proxy manager corresponding to a given OXID and OID that has
687 * been unmarshaled in the specified apartment. The caller must release the
688 * reference to the proxy_manager when the object is no longer used. */
689 static BOOL
find_proxy_manager(APARTMENT
* apt
, OXID oxid
, OID oid
, struct proxy_manager
** proxy_found
)
692 struct list
* cursor
;
694 EnterCriticalSection(&apt
->cs
);
695 LIST_FOR_EACH(cursor
, &apt
->proxies
)
697 struct proxy_manager
* proxy
= LIST_ENTRY(cursor
, struct proxy_manager
, entry
);
698 if ((oxid
== proxy
->oxid
) && (oid
== proxy
->oid
))
700 *proxy_found
= proxy
;
701 ClientIdentity_AddRef((IMultiQI
*)&proxy
->lpVtbl
);
706 LeaveCriticalSection(&apt
->cs
);
710 HRESULT
MARSHAL_Disconnect_Proxies(APARTMENT
*apt
)
712 struct list
* cursor
;
714 EnterCriticalSection(&apt
->cs
);
715 LIST_FOR_EACH(cursor
, &apt
->proxies
)
717 struct proxy_manager
* proxy
= LIST_ENTRY(cursor
, struct proxy_manager
, entry
);
718 proxy_manager_disconnect(proxy
);
720 LeaveCriticalSection(&apt
->cs
);
725 /********************** StdMarshal implementation ****************************/
726 typedef struct _StdMarshalImpl
{
727 IMarshalVtbl
*lpvtbl
;
732 LPVOID pvDestContext
;
736 static HRESULT WINAPI
737 StdMarshalImpl_QueryInterface(LPMARSHAL iface
,REFIID riid
,LPVOID
*ppv
) {
739 if (IsEqualIID(&IID_IUnknown
,riid
) || IsEqualIID(&IID_IMarshal
,riid
)) {
741 IUnknown_AddRef(iface
);
744 FIXME("No interface for %s.\n",debugstr_guid(riid
));
745 return E_NOINTERFACE
;
749 StdMarshalImpl_AddRef(LPMARSHAL iface
) {
750 StdMarshalImpl
*This
= (StdMarshalImpl
*)iface
;
751 return InterlockedIncrement(&This
->ref
);
755 StdMarshalImpl_Release(LPMARSHAL iface
) {
756 StdMarshalImpl
*This
= (StdMarshalImpl
*)iface
;
757 ULONG ref
= InterlockedDecrement(&This
->ref
);
759 if (!ref
) HeapFree(GetProcessHeap(),0,This
);
763 static HRESULT WINAPI
764 StdMarshalImpl_GetUnmarshalClass(
765 LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
,
766 void* pvDestContext
, DWORD mshlflags
, CLSID
* pCid
768 memcpy(pCid
,&CLSID_DfMarshal
,sizeof(CLSID_DfMarshal
));
772 static HRESULT WINAPI
773 StdMarshalImpl_GetMarshalSizeMax(
774 LPMARSHAL iface
, REFIID riid
, void* pv
, DWORD dwDestContext
,
775 void* pvDestContext
, DWORD mshlflags
, DWORD
* pSize
)
777 *pSize
= sizeof(STDOBJREF
);
781 static HRESULT WINAPI
782 StdMarshalImpl_MarshalInterface(
783 LPMARSHAL iface
, IStream
*pStm
,REFIID riid
, void* pv
, DWORD dwDestContext
,
784 void* pvDestContext
, DWORD mshlflags
790 APARTMENT
*apt
= COM_CurrentApt();
792 TRACE("(...,%s,...)\n",debugstr_guid(riid
));
796 ERR("Apartment not initialized\n");
797 return CO_E_NOTINITIALIZED
;
800 /* make sure this apartment can be reached from other threads / processes */
801 RPC_StartRemoting(apt
);
803 hres
= IUnknown_QueryInterface((LPUNKNOWN
)pv
, riid
, (LPVOID
*)&pUnk
);
806 ERR("object doesn't expose interface %s, failing with error 0x%08lx\n",
807 debugstr_guid(riid
), hres
);
808 return E_NOINTERFACE
;
811 hres
= register_ifstub(apt
, &stdobjref
, riid
, pUnk
, mshlflags
);
813 IUnknown_Release(pUnk
);
817 FIXME("Failed to create ifstub, hres=0x%lx\n", hres
);
821 hres
= IStream_Write(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
822 if (hres
) return hres
;
827 /* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
828 * no questions asked about the rules surrounding same-apartment unmarshals
829 * and table marshaling */
830 static HRESULT
unmarshal_object(const STDOBJREF
*stdobjref
, APARTMENT
*apt
, REFIID riid
, void **object
)
832 struct proxy_manager
*proxy_manager
= NULL
;
837 TRACE("stdobjref:\n\tflags = %04lx\n\tcPublicRefs = %ld\n\toxid = %s\n\toid = %s\n\tipid = %s\n",
838 stdobjref
->flags
, stdobjref
->cPublicRefs
,
839 wine_dbgstr_longlong(stdobjref
->oxid
),
840 wine_dbgstr_longlong(stdobjref
->oid
),
841 debugstr_guid(&stdobjref
->ipid
));
843 /* create an a new proxy manager if one doesn't already exist for the
845 if (!find_proxy_manager(apt
, stdobjref
->oxid
, stdobjref
->oid
, &proxy_manager
))
847 IRpcChannelBuffer
*chanbuf
;
849 hr
= RPC_CreateClientChannel(&stdobjref
->oxid
, &stdobjref
->ipid
, &chanbuf
);
851 hr
= proxy_manager_construct(apt
, stdobjref
->flags
,
852 stdobjref
->oxid
, stdobjref
->oid
,
853 chanbuf
, &proxy_manager
);
856 TRACE("proxy manager already created, using\n");
860 struct ifproxy
* ifproxy
;
861 hr
= proxy_manager_find_ifproxy(proxy_manager
, riid
, &ifproxy
);
862 if (hr
== E_NOINTERFACE
)
863 hr
= proxy_manager_create_ifproxy(proxy_manager
, &stdobjref
->ipid
,
864 riid
, stdobjref
->cPublicRefs
,
869 /* FIXME: push this AddRef inside proxy_manager_find_ifproxy/create_ifproxy? */
870 ClientIdentity_AddRef((IMultiQI
*)&proxy_manager
->lpVtbl
);
871 *object
= ifproxy
->iface
;
875 /* release our reference to the proxy manager - the client/apartment
876 * will hold on to the remaining reference for us */
877 if (proxy_manager
) ClientIdentity_Release((IMultiQI
*)&proxy_manager
->lpVtbl
);
882 static HRESULT WINAPI
883 StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface
, IStream
*pStm
, REFIID riid
, void **ppv
)
885 struct stub_manager
*stubmgr
;
889 APARTMENT
*apt
= COM_CurrentApt();
892 TRACE("(...,%s,....)\n",debugstr_guid(riid
));
894 /* we need an apartment to unmarshal into */
897 ERR("Apartment not initialized\n");
898 return CO_E_NOTINITIALIZED
;
901 /* read STDOBJREF from wire */
902 hres
= IStream_Read(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
903 if (hres
) return hres
;
905 /* check if we're marshalling back to ourselves */
906 if ((apt
->oxid
== stdobjref
.oxid
) && (stubmgr
= get_stub_manager(apt
, stdobjref
.oid
)))
908 TRACE("Unmarshalling object marshalled in same apartment for iid %s, "
909 "returning original object %p\n", debugstr_guid(riid
), stubmgr
->object
);
911 hres
= IUnknown_QueryInterface(stubmgr
->object
, riid
, ppv
);
913 /* unref the ifstub. FIXME: only do this on success? */
914 if (!stub_manager_is_table_marshaled(stubmgr
))
915 stub_manager_ext_release(stubmgr
, 1);
917 stub_manager_int_release(stubmgr
);
921 /* notify stub manager about unmarshal if process-local object.
922 * note: if the oxid is not found then we and native will quite happily
923 * ignore table marshaling and normal marshaling rules regarding number of
924 * unmarshals, etc, but if you abuse these rules then your proxy could end
925 * up returning RPC_E_DISCONNECTED. */
926 if ((stub_apt
= COM_ApartmentFromOXID(stdobjref
.oxid
, TRUE
)))
928 if ((stubmgr
= get_stub_manager(stub_apt
, stdobjref
.oid
)))
930 if (!stub_manager_notify_unmarshal(stubmgr
))
931 hres
= CO_E_OBJNOTCONNECTED
;
933 stub_manager_int_release(stubmgr
);
937 WARN("Couldn't find object for OXID %s, OID %s, assuming disconnected\n",
938 wine_dbgstr_longlong(stdobjref
.oxid
),
939 wine_dbgstr_longlong(stdobjref
.oid
));
940 hres
= CO_E_OBJNOTCONNECTED
;
943 COM_ApartmentRelease(stub_apt
);
946 TRACE("Treating unmarshal from OXID %s as inter-process\n",
947 wine_dbgstr_longlong(stdobjref
.oxid
));
950 hres
= unmarshal_object(&stdobjref
, apt
, riid
, ppv
);
952 if (hres
) WARN("Failed with error 0x%08lx\n", hres
);
953 else TRACE("Successfully created proxy %p\n", *ppv
);
958 static HRESULT WINAPI
959 StdMarshalImpl_ReleaseMarshalData(LPMARSHAL iface
, IStream
*pStm
) {
963 struct stub_manager
*stubmgr
;
966 TRACE("iface=%p, pStm=%p\n", iface
, pStm
);
968 hres
= IStream_Read(pStm
, &stdobjref
, sizeof(stdobjref
), &res
);
969 if (hres
) return hres
;
971 if (!(apt
= COM_ApartmentFromOXID(stdobjref
.oxid
, TRUE
)))
973 WARN("Could not map OXID %s to apartment object\n",
974 wine_dbgstr_longlong(stdobjref
.oxid
));
975 return RPC_E_INVALID_OBJREF
;
978 if (!(stubmgr
= get_stub_manager(apt
, stdobjref
.oid
)))
980 ERR("could not map MID to stub manager, oxid=%s, oid=%s\n",
981 wine_dbgstr_longlong(stdobjref
.oxid
), wine_dbgstr_longlong(stdobjref
.oid
));
982 return RPC_E_INVALID_OBJREF
;
985 stub_manager_release_marshal_data(stubmgr
, stdobjref
.cPublicRefs
);
987 stub_manager_int_release(stubmgr
);
988 COM_ApartmentRelease(apt
);
993 static HRESULT WINAPI
994 StdMarshalImpl_DisconnectObject(LPMARSHAL iface
, DWORD dwReserved
) {
995 FIXME("(), stub!\n");
999 IMarshalVtbl stdmvtbl
= {
1000 StdMarshalImpl_QueryInterface
,
1001 StdMarshalImpl_AddRef
,
1002 StdMarshalImpl_Release
,
1003 StdMarshalImpl_GetUnmarshalClass
,
1004 StdMarshalImpl_GetMarshalSizeMax
,
1005 StdMarshalImpl_MarshalInterface
,
1006 StdMarshalImpl_UnmarshalInterface
,
1007 StdMarshalImpl_ReleaseMarshalData
,
1008 StdMarshalImpl_DisconnectObject
1011 static HRESULT
StdMarshalImpl_Construct(REFIID riid
, void** ppvObject
)
1013 StdMarshalImpl
* pStdMarshal
=
1014 HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(StdMarshalImpl
));
1016 return E_OUTOFMEMORY
;
1017 pStdMarshal
->lpvtbl
= &stdmvtbl
;
1018 pStdMarshal
->ref
= 0;
1019 return IMarshal_QueryInterface((IMarshal
*)pStdMarshal
, riid
, ppvObject
);
1022 /***********************************************************************
1023 * CoGetStandardMarshal [OLE32.@]
1025 * Gets or creates a standard marshal object.
1028 * riid [I] Interface identifier of the pUnk object.
1029 * pUnk [I] Optional. Object to get the marshal object for.
1030 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1031 * pvDestContext [I] Reserved. Must be NULL.
1032 * mshlflags [I] Flags affecting the marshaling process.
1033 * ppMarshal [O] Address where marshal object will be stored.
1037 * Failure: HRESULT code.
1041 * The function retrieves the IMarshal object associated with an object if
1042 * that object is currently an active stub, otherwise a new marshal object is
1045 HRESULT WINAPI
CoGetStandardMarshal(REFIID riid
, IUnknown
*pUnk
,
1046 DWORD dwDestContext
, LPVOID pvDestContext
,
1047 DWORD mshlflags
, LPMARSHAL
*ppMarshal
)
1052 FIXME("(%s,NULL,%lx,%p,%lx,%p), unimplemented yet.\n",
1053 debugstr_guid(riid
),dwDestContext
,pvDestContext
,mshlflags
,ppMarshal
1057 TRACE("(%s,%p,%lx,%p,%lx,%p)\n",
1058 debugstr_guid(riid
),pUnk
,dwDestContext
,pvDestContext
,mshlflags
,ppMarshal
1060 *ppMarshal
= HeapAlloc(GetProcessHeap(),0,sizeof(StdMarshalImpl
));
1061 dm
= (StdMarshalImpl
*) *ppMarshal
;
1062 if (!dm
) return E_FAIL
;
1063 dm
->lpvtbl
= &stdmvtbl
;
1066 memcpy(&dm
->iid
,riid
,sizeof(dm
->iid
));
1067 dm
->dwDestContext
= dwDestContext
;
1068 dm
->pvDestContext
= pvDestContext
;
1069 dm
->mshlflags
= mshlflags
;
1073 /***********************************************************************
1074 * get_marshaler [internal]
1076 * Retrieves an IMarshal interface for an object.
1078 static HRESULT
get_marshaler(REFIID riid
, IUnknown
*pUnk
, DWORD dwDestContext
,
1079 void *pvDestContext
, DWORD mshlFlags
,
1080 LPMARSHAL
*pMarshal
)
1086 hr
= IUnknown_QueryInterface(pUnk
, &IID_IMarshal
, (LPVOID
*)pMarshal
);
1088 hr
= CoGetStandardMarshal(riid
, pUnk
, dwDestContext
, pvDestContext
,
1089 mshlFlags
, pMarshal
);
1093 /***********************************************************************
1094 * get_unmarshaler_from_stream [internal]
1096 * Creates an IMarshal* object according to the data marshaled to the stream.
1097 * The function leaves the stream pointer at the start of the data written
1098 * to the stream by the IMarshal* object.
1100 static HRESULT
get_unmarshaler_from_stream(IStream
*stream
, IMarshal
**marshal
, IID
*iid
)
1106 /* read common OBJREF header */
1107 hr
= IStream_Read(stream
, &objref
, FIELD_OFFSET(OBJREF
, u_objref
), &res
);
1108 if (hr
|| (res
!= FIELD_OFFSET(OBJREF
, u_objref
)))
1110 ERR("Failed to read common OBJREF header, 0x%08lx\n", hr
);
1111 return STG_E_READFAULT
;
1114 /* sanity check on header */
1115 if (objref
.signature
!= OBJREF_SIGNATURE
)
1117 ERR("Bad OBJREF signature 0x%08lx\n", objref
.signature
);
1118 return RPC_E_INVALID_OBJREF
;
1121 if (iid
) *iid
= objref
.iid
;
1123 /* FIXME: handler marshaling */
1124 if (objref
.flags
& OBJREF_STANDARD
)
1126 TRACE("Using standard unmarshaling\n");
1127 hr
= StdMarshalImpl_Construct(&IID_IMarshal
, (LPVOID
*)marshal
);
1129 else if (objref
.flags
& OBJREF_CUSTOM
)
1131 ULONG custom_header_size
= FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.size
) -
1132 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
);
1133 TRACE("Using custom unmarshaling\n");
1134 /* read constant sized OR_CUSTOM data from stream */
1135 hr
= IStream_Read(stream
, &objref
.u_objref
.u_custom
,
1136 custom_header_size
, &res
);
1137 if (hr
|| (res
!= custom_header_size
))
1139 ERR("Failed to read OR_CUSTOM header, 0x%08lx\n", hr
);
1140 return STG_E_READFAULT
;
1142 /* now create the marshaler specified in the stream */
1143 hr
= CoCreateInstance(&objref
.u_objref
.u_custom
.clsid
, NULL
,
1144 CLSCTX_INPROC_SERVER
, &IID_IMarshal
,
1149 FIXME("Invalid or unimplemented marshaling type specified: %lx\n",
1151 return RPC_E_INVALID_OBJREF
;
1155 ERR("Failed to create marshal, 0x%08lx\n", hr
);
1160 /***********************************************************************
1161 * CoGetMarshalSizeMax [OLE32.@]
1163 * Gets the maximum amount of data that will be needed by a marshal.
1166 * pulSize [O] Address where maximum marshal size will be stored.
1167 * riid [I] Identifier of the interface to marshal.
1168 * pUnk [I] Pointer to the object to marshal.
1169 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1170 * pvDestContext [I] Reserved. Must be NULL.
1171 * mshlFlags [I] Flags that affect the marshaling. See CoMarshalInterface().
1175 * Failure: HRESULT code.
1178 * CoMarshalInterface().
1180 HRESULT WINAPI
CoGetMarshalSizeMax(ULONG
*pulSize
, REFIID riid
, IUnknown
*pUnk
,
1181 DWORD dwDestContext
, void *pvDestContext
,
1186 CLSID marshaler_clsid
;
1188 hr
= get_marshaler(riid
, pUnk
, dwDestContext
, pvDestContext
, mshlFlags
, &pMarshal
);
1192 hr
= IMarshal_GetUnmarshalClass(pMarshal
, riid
, pUnk
, dwDestContext
,
1193 pvDestContext
, mshlFlags
, &marshaler_clsid
);
1196 ERR("IMarshal::GetUnmarshalClass failed, 0x%08lx\n", hr
);
1197 IMarshal_Release(pMarshal
);
1201 hr
= IMarshal_GetMarshalSizeMax(pMarshal
, riid
, pUnk
, dwDestContext
,
1202 pvDestContext
, mshlFlags
, pulSize
);
1203 /* add on the size of the common header */
1204 *pulSize
+= FIELD_OFFSET(OBJREF
, u_objref
);
1206 /* if custom marshaling, add on size of custom header */
1207 if (!IsEqualCLSID(&marshaler_clsid
, &CLSID_DfMarshal
))
1208 *pulSize
+= FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.size
) -
1209 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
);
1211 IMarshal_Release(pMarshal
);
1216 /***********************************************************************
1217 * CoMarshalInterface [OLE32.@]
1219 * Marshals an interface into a stream so that the object can then be
1220 * unmarshaled from another COM apartment and used remotely.
1223 * pStream [I] Stream the object will be marshaled into.
1224 * riid [I] Identifier of the interface to marshal.
1225 * pUnk [I] Pointer to the object to marshal.
1226 * dwDestContext [I] Destination. Used to enable or disable optimizations.
1227 * pvDestContext [I] Reserved. Must be NULL.
1228 * mshlFlags [I] Flags that affect the marshaling. See notes.
1232 * Failure: HRESULT code.
1236 * The mshlFlags parameter can take one or more of the following flags:
1237 *| MSHLFLAGS_NORMAL - Unmarshal once, releases stub on last proxy release.
1238 *| MSHLFLAGS_TABLESTRONG - Unmarshal many, release when CoReleaseMarshalData() called.
1239 *| MSHLFLAGS_TABLEWEAK - Unmarshal many, releases stub on last proxy release.
1240 *| MSHLFLAGS_NOPING - No automatic garbage collection (and so reduces network traffic).
1242 * If a marshaled object is not unmarshaled, then CoReleaseMarshalData() must
1243 * be called in order to release the resources used in the marshaling.
1246 * CoUnmarshalInterface(), CoReleaseMarshalData().
1248 HRESULT WINAPI
CoMarshalInterface(IStream
*pStream
, REFIID riid
, IUnknown
*pUnk
,
1249 DWORD dwDestContext
, void *pvDestContext
,
1253 CLSID marshaler_clsid
;
1255 IStream
* pMarshalStream
= NULL
;
1258 TRACE("(%p, %s, %p, %lx, %p, %lx)\n", pStream
, debugstr_guid(riid
), pUnk
,
1259 dwDestContext
, pvDestContext
, mshlFlags
);
1262 return E_INVALIDARG
;
1264 objref
.signature
= OBJREF_SIGNATURE
;
1267 /* get the marshaler for the specified interface */
1268 hr
= get_marshaler(riid
, pUnk
, dwDestContext
, pvDestContext
, mshlFlags
, &pMarshal
);
1271 ERR("Failed to get marshaller, 0x%08lx\n", hr
);
1275 hr
= IMarshal_GetUnmarshalClass(pMarshal
, riid
, pUnk
, dwDestContext
,
1276 pvDestContext
, mshlFlags
, &marshaler_clsid
);
1279 ERR("IMarshal::GetUnmarshalClass failed, 0x%08lx\n", hr
);
1283 /* FIXME: implement handler marshaling too */
1284 if (IsEqualCLSID(&marshaler_clsid
, &CLSID_DfMarshal
))
1286 TRACE("Using standard marshaling\n");
1287 objref
.flags
= OBJREF_STANDARD
;
1288 pMarshalStream
= pStream
;
1292 TRACE("Using custom marshaling\n");
1293 objref
.flags
= OBJREF_CUSTOM
;
1294 /* we do custom marshaling into a memory stream so that we know what
1295 * size to write into the OR_CUSTOM header */
1296 hr
= CreateStreamOnHGlobal(NULL
, TRUE
, &pMarshalStream
);
1299 ERR("CreateStreamOnHGLOBAL failed with 0x%08lx\n", hr
);
1304 /* write the common OBJREF header to the stream */
1305 hr
= IStream_Write(pStream
, &objref
, FIELD_OFFSET(OBJREF
, u_objref
), NULL
);
1308 ERR("Failed to write OBJREF header to stream, 0x%08lx\n", hr
);
1312 TRACE("Calling IMarshal::MarshalInterace\n");
1313 /* call helper object to do the actual marshaling */
1314 hr
= IMarshal_MarshalInterface(pMarshal
, pMarshalStream
, riid
, pUnk
, dwDestContext
,
1315 pvDestContext
, mshlFlags
);
1319 ERR("Failed to marshal the interface %s, %lx\n", debugstr_guid(riid
), hr
);
1323 if (objref
.flags
& OBJREF_CUSTOM
)
1325 ULONG custom_header_size
= FIELD_OFFSET(OBJREF
, u_objref
.u_custom
.size
) -
1326 FIELD_OFFSET(OBJREF
, u_objref
.u_custom
);
1329 hr
= GetHGlobalFromStream(pMarshalStream
, &hGlobal
);
1332 ERR("Couldn't get HGLOBAL from stream\n");
1336 objref
.u_objref
.u_custom
.clsid
= marshaler_clsid
;
1337 objref
.u_objref
.u_custom
.cbExtension
= 0;
1338 objref
.u_objref
.u_custom
.size
= GlobalSize(hGlobal
);
1339 /* write constant sized OR_CUSTOM data into stream */
1340 hr
= IStream_Write(pStream
, &objref
.u_objref
.u_custom
,
1341 custom_header_size
, NULL
);
1344 ERR("Failed to write OR_CUSTOM header to stream with 0x%08lx\n", hr
);
1348 data
= GlobalLock(hGlobal
);
1351 ERR("GlobalLock failed\n");
1355 /* write custom marshal data */
1356 hr
= IStream_Write(pStream
, data
, objref
.u_objref
.u_custom
.size
, NULL
);
1359 ERR("Failed to write custom marshal data with 0x%08lx\n", hr
);
1362 GlobalUnlock(hGlobal
);
1366 if (pMarshalStream
&& (objref
.flags
& OBJREF_CUSTOM
))
1367 IStream_Release(pMarshalStream
);
1368 IMarshal_Release(pMarshal
);
1370 TRACE("completed with hr 0x%08lx\n", hr
);
1375 /***********************************************************************
1376 * CoUnmarshalInterface [OLE32.@]
1378 * Unmarshals an object from a stream by creating a proxy to the remote
1379 * object, if necessary.
1383 * pStream [I] Stream containing the marshaled object.
1384 * riid [I] Interface identifier of the object to create a proxy to.
1385 * ppv [O] Address where proxy will be stored.
1390 * Failure: HRESULT code.
1393 * CoMarshalInterface().
1395 HRESULT WINAPI
CoUnmarshalInterface(IStream
*pStream
, REFIID riid
, LPVOID
*ppv
)
1402 TRACE("(%p, %s, %p)\n", pStream
, debugstr_guid(riid
), ppv
);
1404 hr
= get_unmarshaler_from_stream(pStream
, &pMarshal
, &iid
);
1408 /* call the helper object to do the actual unmarshaling */
1409 hr
= IMarshal_UnmarshalInterface(pMarshal
, pStream
, &iid
, (LPVOID
*)&object
);
1411 ERR("IMarshal::UnmarshalInterface failed, 0x%08lx\n", hr
);
1413 /* IID_NULL means use the interface ID of the marshaled object */
1414 if (!IsEqualIID(riid
, &IID_NULL
))
1419 if (!IsEqualIID(riid
, &iid
))
1421 TRACE("requested interface != marshalled interface, additional QI needed\n");
1422 hr
= IUnknown_QueryInterface(object
, &iid
, ppv
);
1424 ERR("Couldn't query for interface %s, hr = 0x%08lx\n",
1425 debugstr_guid(riid
), hr
);
1426 IUnknown_Release(object
);
1434 IMarshal_Release(pMarshal
);
1436 TRACE("completed with hr 0x%lx\n", hr
);
1441 /***********************************************************************
1442 * CoReleaseMarshalData [OLE32.@]
1444 * Releases resources associated with an object that has been marshaled into
1449 * pStream [I] The stream that the object has been marshaled into.
1453 * Failure: HRESULT error code.
1457 * Call this function to release resources associated with a normal or
1458 * table-weak marshal that will not be unmarshaled, and all table-strong
1459 * marshals when they are no longer needed.
1462 * CoMarshalInterface(), CoUnmarshalInterface().
1464 HRESULT WINAPI
CoReleaseMarshalData(IStream
*pStream
)
1469 TRACE("(%p)\n", pStream
);
1471 hr
= get_unmarshaler_from_stream(pStream
, &pMarshal
, NULL
);
1475 /* call the helper object to do the releasing of marshal data */
1476 hr
= IMarshal_ReleaseMarshalData(pMarshal
, pStream
);
1478 ERR("IMarshal::ReleaseMarshalData failed with error 0x%08lx\n", hr
);
1480 IMarshal_Release(pMarshal
);
1485 /***********************************************************************
1486 * CoMarshalInterThreadInterfaceInStream [OLE32.@]
1488 * Marshal an interface across threads in the same process.
1491 * riid [I] Identifier of the interface to be marshalled.
1492 * pUnk [I] Pointer to IUnknown-derived interface that will be marshalled.
1493 * ppStm [O] Pointer to IStream object that is created and then used to store the marshalled inteface.
1497 * Failure: E_OUTOFMEMORY and other COM error codes
1500 * CoMarshalInterface(), CoUnmarshalInterface() and CoGetInterfaceAndReleaseStream()
1502 HRESULT WINAPI
CoMarshalInterThreadInterfaceInStream(
1503 REFIID riid
, LPUNKNOWN pUnk
, LPSTREAM
* ppStm
)
1505 ULARGE_INTEGER xpos
;
1506 LARGE_INTEGER seekto
;
1509 TRACE("(%s, %p, %p)\n",debugstr_guid(riid
), pUnk
, ppStm
);
1511 hres
= CreateStreamOnHGlobal(0, TRUE
, ppStm
);
1512 if (FAILED(hres
)) return hres
;
1513 hres
= CoMarshalInterface(*ppStm
, riid
, pUnk
, MSHCTX_INPROC
, NULL
, MSHLFLAGS_NORMAL
);
1515 /* FIXME: is this needed? */
1516 memset(&seekto
,0,sizeof(seekto
));
1517 IStream_Seek(*ppStm
,seekto
,SEEK_SET
,&xpos
);
1522 /***********************************************************************
1523 * CoGetInterfaceAndReleaseStream [OLE32.@]
1525 * Unmarshalls an inteface from a stream and then releases the stream.
1528 * pStm [I] Stream that contains the marshalled inteface.
1529 * riid [I] Interface identifier of the object to unmarshall.
1530 * ppv [O] Address of pointer where the requested interface object will be stored.
1534 * Failure: A COM error code
1537 * CoMarshalInterThreadInterfaceInStream() and CoUnmarshalInteface()
1539 HRESULT WINAPI
CoGetInterfaceAndReleaseStream(LPSTREAM pStm
, REFIID riid
,
1544 TRACE("(%p, %s, %p)\n", pStm
, debugstr_guid(riid
), ppv
);
1546 hres
= CoUnmarshalInterface(pStm
, riid
, ppv
);
1547 IStream_Release(pStm
);
1551 static HRESULT WINAPI
StdMarshalCF_QueryInterface(LPCLASSFACTORY iface
,
1552 REFIID riid
, LPVOID
*ppv
)
1555 if (IsEqualIID(riid
, &IID_IUnknown
) || IsEqualIID(riid
, &IID_IClassFactory
))
1557 *ppv
= (LPVOID
)iface
;
1560 return E_NOINTERFACE
;
1563 static ULONG WINAPI
StdMarshalCF_AddRef(LPCLASSFACTORY iface
)
1565 return 2; /* non-heap based object */
1568 static ULONG WINAPI
StdMarshalCF_Release(LPCLASSFACTORY iface
)
1570 return 1; /* non-heap based object */
1573 static HRESULT WINAPI
StdMarshalCF_CreateInstance(LPCLASSFACTORY iface
,
1574 LPUNKNOWN pUnk
, REFIID riid
, LPVOID
*ppv
)
1576 if (IsEqualIID(riid
,&IID_IMarshal
))
1577 return StdMarshalImpl_Construct(riid
, ppv
);
1579 FIXME("(%s), not supported.\n",debugstr_guid(riid
));
1580 return E_NOINTERFACE
;
1583 static HRESULT WINAPI
StdMarshalCF_LockServer(LPCLASSFACTORY iface
, BOOL fLock
)
1585 FIXME("(%d), stub!\n",fLock
);
1589 static IClassFactoryVtbl StdMarshalCFVtbl
=
1591 StdMarshalCF_QueryInterface
,
1592 StdMarshalCF_AddRef
,
1593 StdMarshalCF_Release
,
1594 StdMarshalCF_CreateInstance
,
1595 StdMarshalCF_LockServer
1597 static IClassFactoryVtbl
*StdMarshalCF
= &StdMarshalCFVtbl
;
1599 HRESULT
MARSHAL_GetStandardMarshalCF(LPVOID
*ppv
)
1601 *ppv
= &StdMarshalCF
;
1605 /***********************************************************************
1606 * CoMarshalHresult [OLE32.@]
1608 * Marshals an HRESULT value into a stream.
1611 * pStm [I] Stream that hresult will be marshalled into.
1612 * hresult [I] HRESULT to be marshalled.
1616 * Failure: A COM error code
1619 * CoUnmarshalHresult().
1621 HRESULT WINAPI
CoMarshalHresult(LPSTREAM pStm
, HRESULT hresult
)
1623 return IStream_Write(pStm
, &hresult
, sizeof(hresult
), NULL
);
1626 /***********************************************************************
1627 * CoUnmarshalHresult [OLE32.@]
1629 * Unmarshals an HRESULT value from a stream.
1632 * pStm [I] Stream that hresult will be unmarshalled from.
1633 * phresult [I] Pointer to HRESULT where the value will be unmarshalled to.
1637 * Failure: A COM error code
1640 * CoMarshalHresult().
1642 HRESULT WINAPI
CoUnmarshalHresult(LPSTREAM pStm
, HRESULT
* phresult
)
1644 return IStream_Read(pStm
, phresult
, sizeof(*phresult
), NULL
);