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- Add a new flag SORFP_NOLIFETIMEMGMT to tell the proxy manager not to 

call any IRemUnknown functions.
- Move the low-level unmarshaling code into a new function,
  unmarshal_object, so that it can be easily reused for unmarshaling
  IRemUnknown.
This commit is contained in:
Robert Shearman 2005-01-24 11:24:08 +00:00 committed by Alexandre Julliard
parent cb4652a71c
commit 6b89a92215
2 changed files with 82 additions and 53 deletions
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1
dlls/ole32/compobj_private.h
View File

@ -109,6 +109,7 @@ struct proxy_manager
struct list interfaces; /* imported interfaces (CS cs) */
DWORD refs; /* proxy reference count (LOCK) */
CRITICAL_SECTION cs; /* thread safety for this object and children */
ULONG sorflags; /* STDOBJREF flags (RO) */
};
/* this needs to become a COM object that implements IRemUnknown */

126
dlls/ole32/marshal.c
View File

@ -52,6 +52,10 @@ extern const CLSID CLSID_DfMarshal;
/* number of refs given out for normal marshaling */
#define NORMALEXTREFS 1 /* FIXME: this should be 5, but we have to wait for IRemUnknown support first */
/* private flag indicating that the caller does not want to notify the stub
* when the proxy disconnects or is destroyed */
#define SORFP_NOLIFETIMEMGMT SORF_OXRES1
/* Marshalling just passes a unique identifier to the remote client,
* that makes it possible to find the passed interface again.
*
@ -324,7 +328,9 @@ static void ifproxy_destroy(struct ifproxy * This)
HeapFree(GetProcessHeap(), 0, This);
}
static HRESULT proxy_manager_construct(APARTMENT * apt, OXID oxid, OID oid, IRpcChannelBuffer * channel, struct proxy_manager ** proxy_manager)
static HRESULT proxy_manager_construct(
APARTMENT * apt, ULONG sorflags, OXID oxid, OID oid,
IRpcChannelBuffer * channel, struct proxy_manager ** proxy_manager)
{
struct proxy_manager * This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if (!This) return E_OUTOFMEMORY;
@ -344,6 +350,7 @@ static HRESULT proxy_manager_construct(APARTMENT * apt, OXID oxid, OID oid, IRpc
This->oid = oid;
This->refs = 1;
This->sorflags = sorflags;
This->chan = channel; /* FIXME: we should take the binding strings and construct the channel in this function */
@ -355,7 +362,9 @@ static HRESULT proxy_manager_construct(APARTMENT * apt, OXID oxid, OID oid, IRpc
return S_OK;
}
static HRESULT proxy_manager_create_ifproxy(struct proxy_manager * This, IPID ipid, REFIID riid, ULONG cPublicRefs, struct ifproxy ** iif_out)
static HRESULT proxy_manager_create_ifproxy(
struct proxy_manager * This, IPID ipid, REFIID riid, ULONG cPublicRefs,
struct ifproxy ** iif_out)
{
HRESULT hr;
IPSFactoryBuffer * psfb;
@ -436,7 +445,8 @@ static void proxy_manager_disconnect(struct proxy_manager * This)
{
struct list * cursor;
TRACE("oid = %s\n", wine_dbgstr_longlong(This->oid));
TRACE("oxid = %s, oid = %s\n", wine_dbgstr_longlong(This->oxid),
wine_dbgstr_longlong(This->oid));
EnterCriticalSection(&This->cs);
@ -637,6 +647,67 @@ StdMarshalImpl_MarshalInterface(
return S_OK;
}
/* helper for StdMarshalImpl_UnmarshalInterface - does the unmarshaling with
* no questions asked about the rules surrounding same-apartment unmarshals
* and table marshaling */
static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt, REFIID riid, void **object)
{
struct proxy_manager *proxy_manager = NULL;
HRESULT hr = S_OK;
/* create an a new proxy manager if one doesn't already exist for the
* object */
if (!find_proxy_manager(apt, stdobjref->oxid, stdobjref->oid, &proxy_manager))
{
IRpcChannelBuffer *chanbuf;
wine_marshal_id mid;
mid.oxid = stdobjref->oxid;
mid.oid = stdobjref->oid;
mid.ipid = stdobjref->ipid;
hr = PIPE_GetNewPipeBuf(&mid,&chanbuf);
if (hr == S_OK)
hr = proxy_manager_construct(apt, stdobjref->flags,
stdobjref->oxid, stdobjref->oid,
chanbuf, &proxy_manager);
}
if (hr == S_OK)
{
/* the IUnknown interface is special because it does not have an
* ifproxy associated with it. we simply return the controlling
* IUnknown of the proxy manager. */
if (IsEqualIID(riid, &IID_IUnknown))
{
ClientIdentity_AddRef((IInternalUnknown*)&proxy_manager->lpVtbl);
*object = (LPVOID)(&proxy_manager->lpVtbl);
}
else
{
struct ifproxy * ifproxy;
hr = proxy_manager_find_ifproxy(proxy_manager, riid, &ifproxy);
if (hr == E_NOINTERFACE)
hr = proxy_manager_create_ifproxy(proxy_manager, stdobjref->ipid,
riid, stdobjref->cPublicRefs,
&ifproxy);
if (hr == S_OK)
{
/* FIXME: push this AddRef inside proxy_manager_find_ifproxy/create_ifproxy? */
ClientIdentity_AddRef((IInternalUnknown*)&proxy_manager->lpVtbl);
*object = ifproxy->iface;
}
}
}
/* release our reference to the proxy manager - the client/apartment
* will hold on to the remaining reference for us */
if (proxy_manager) ClientIdentity_Release((IInternalUnknown*)&proxy_manager->lpVtbl);
return hr;
}
static HRESULT WINAPI
StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, void **ppv)
{
@ -644,18 +715,19 @@ StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, v
STDOBJREF stdobjref;
ULONG res;
HRESULT hres;
struct proxy_manager *proxy_manager = NULL;
APARTMENT *apt = COM_CurrentApt();
APARTMENT *stub_apt;
TRACE("(...,%s,....)\n",debugstr_guid(riid));
/* we need an apartment to unmarshal into */
if (!apt)
{
ERR("Apartment not initialized\n");
return CO_E_NOTINITIALIZED;
}
/* read STDOBJREF from wire */
hres = IStream_Read(pStm, &stdobjref, sizeof(stdobjref), &res);
if (hres) return hres;
@ -703,52 +775,8 @@ StdMarshalImpl_UnmarshalInterface(LPMARSHAL iface, IStream *pStm, REFIID riid, v
TRACE("Treating unmarshal from OXID %s as inter-process\n",
wine_dbgstr_longlong(stdobjref.oxid));
if (hres) return hres;
if (!find_proxy_manager(apt, stdobjref.oxid, stdobjref.oid, &proxy_manager))
{
IRpcChannelBuffer *chanbuf;
wine_marshal_id mid;
mid.oxid = stdobjref.oxid;
mid.oid = stdobjref.oid;
mid.ipid = stdobjref.ipid;
hres = PIPE_GetNewPipeBuf(&mid,&chanbuf);
if (hres == S_OK)
hres = proxy_manager_construct(apt, stdobjref.oxid, stdobjref.oid,
chanbuf, &proxy_manager);
}
if (hres == S_OK)
{
/* the IUnknown interface is special because it does not have an
* ifproxy associated with it. we simply return the controlling
* IUnknown of the proxy manager. */
if (IsEqualIID(riid, &IID_IUnknown))
{
ClientIdentity_AddRef((IInternalUnknown*)&proxy_manager->lpVtbl);
*ppv = (LPVOID)(&proxy_manager->lpVtbl);
}
else
{
struct ifproxy * ifproxy;
hres = proxy_manager_find_ifproxy(proxy_manager, riid, &ifproxy);
if (hres == E_NOINTERFACE)
hres = proxy_manager_create_ifproxy(proxy_manager, stdobjref.ipid,
riid, stdobjref.cPublicRefs,
&ifproxy);
if (hres == S_OK)
{
/* FIXME: push this AddRef inside proxy_manager_find_ifproxy/create_ifproxy? */
ClientIdentity_AddRef((IInternalUnknown*)&proxy_manager->lpVtbl);
*ppv = ifproxy->iface;
}
}
}
if (proxy_manager) ClientIdentity_Release((IInternalUnknown*)&proxy_manager->lpVtbl);
hres = unmarshal_object(&stdobjref, apt, riid, ppv);
if (hres) WARN("Failed with error 0x%08lx\n", hres);
else TRACE("Successfully created proxy %p\n", *ppv);