236 lines
9.3 KiB
C
236 lines
9.3 KiB
C
/*
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* Copyright 1995 Martin von Loewis
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* Copyright 1998 Justin Bradford
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* Copyright 1999 Francis Beaudet
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* Copyright 1999 Sylvain St-Germain
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* Copyright 2002 Marcus Meissner
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* Copyright 2003 Ove Kåven, TransGaming Technologies
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* Copyright 2004 Mike Hearn, Rob Shearman, CodeWeavers Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_OLE_COMPOBJ_H
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#define __WINE_OLE_COMPOBJ_H
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/* All private prototype functions used by OLE will be added to this header file */
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#include <stdarg.h>
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#include "wine/list.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wtypes.h"
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#include "dcom.h"
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#include "winreg.h"
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#include "winternl.h"
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struct apartment;
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typedef struct apartment APARTMENT;
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/* Thread-safety Annotation Legend:
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*
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* RO - The value is read only. It never changes after creation, so no
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* locking is required.
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* LOCK - The value is written to only using Interlocked* functions.
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* CS - The value is read or written to with a critical section held.
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* The identifier following "CS" is the specific critical section that
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* must be used.
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*/
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typedef enum ifstub_state
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{
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STUBSTATE_NORMAL_MARSHALED,
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STUBSTATE_NORMAL_UNMARSHALED,
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STUBSTATE_TABLE_WEAK_MARSHALED,
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STUBSTATE_TABLE_WEAK_UNMARSHALED,
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STUBSTATE_TABLE_STRONG,
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} STUB_STATE;
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/* an interface stub */
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struct ifstub
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{
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struct list entry; /* entry in stub_manager->ifstubs list (CS stub_manager->lock) */
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IRpcStubBuffer *stubbuffer; /* RO */
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IID iid; /* RO */
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IPID ipid; /* RO */
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IUnknown *iface; /* RO */
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};
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/* stub managers hold refs on the object and each interface stub */
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struct stub_manager
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{
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struct list entry; /* entry in apartment stubmgr list (CS apt->cs) */
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struct list ifstubs; /* list of active ifstubs for the object (CS lock) */
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CRITICAL_SECTION lock;
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APARTMENT *apt; /* owning apt (RO) */
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ULONG extrefs; /* number of 'external' references (CS lock) */
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ULONG refs; /* internal reference count (CS apt->cs) */
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OID oid; /* apartment-scoped unique identifier (RO) */
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IUnknown *object; /* the object we are managing the stub for (RO) */
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ULONG next_ipid; /* currently unused (LOCK) */
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STUB_STATE state; /* state machine (CS lock) */
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};
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/* imported interface proxy */
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struct ifproxy
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{
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struct list entry; /* entry in proxy_manager list (CS parent->cs) */
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struct proxy_manager *parent; /* owning proxy_manager (RO) */
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LPVOID iface; /* interface pointer (RO) */
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IID iid; /* interface ID (RO) */
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IPID ipid; /* imported interface ID (RO) */
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LPRPCPROXYBUFFER proxy; /* interface proxy (RO) */
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DWORD refs; /* imported (public) references (CS parent->cs) */
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};
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/* imported object / proxy manager */
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struct proxy_manager
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{
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const IMultiQIVtbl *lpVtbl;
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struct apartment *parent; /* owning apartment (RO) */
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struct list entry; /* entry in apartment (CS parent->cs) */
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LPRPCCHANNELBUFFER chan; /* channel to object (CS cs) */
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OXID oxid; /* object exported ID (RO) */
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OID oid; /* object ID (RO) */
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struct list interfaces; /* imported interfaces (CS cs) */
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DWORD refs; /* proxy reference count (LOCK) */
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CRITICAL_SECTION cs; /* thread safety for this object and children */
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ULONG sorflags; /* STDOBJREF flags (RO) */
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IRemUnknown *remunk; /* proxy to IRemUnknown used for lifecycle management (CS cs) */
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};
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/* this needs to become a COM object that implements IRemUnknown */
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struct apartment
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{
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struct list entry;
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DWORD refs; /* refcount of the apartment (LOCK) */
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DWORD model; /* threading model (RO) */
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DWORD tid; /* thread id (RO) */
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HANDLE thread; /* thread handle (RO) */
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OXID oxid; /* object exporter ID (RO) */
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DWORD ipidc; /* interface pointer ID counter, starts at 1 (LOCK) */
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HWND win; /* message window (RO) */
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CRITICAL_SECTION cs; /* thread safety */
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LPMESSAGEFILTER filter; /* message filter (CS cs) */
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struct list proxies; /* imported objects (CS cs) */
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struct list stubmgrs; /* stub managers for exported objects (CS cs) */
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BOOL remunk_exported; /* has the IRemUnknown interface for this apartment been created yet? (CS cs) */
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LONG remoting_started; /* has the RPC system been started for this apartment? (LOCK) */
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/* FIXME: OID's should be given out by RPCSS */
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OID oidc; /* object ID counter, starts at 1, zero is invalid OID (CS cs) */
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};
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/* this is what is stored in TEB->ReservedForOle */
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struct oletls
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{
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struct apartment *apt;
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IErrorInfo *errorinfo; /* see errorinfo.c */
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IUnknown *state; /* see CoSetState */
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DWORD inits; /* number of times CoInitializeEx called */
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};
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/* Global Interface Table Functions */
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extern void* StdGlobalInterfaceTable_Construct(void);
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extern void StdGlobalInterfaceTable_Destroy(void* self);
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extern HRESULT StdGlobalInterfaceTable_GetFactory(LPVOID *ppv);
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extern void* StdGlobalInterfaceTableInstance;
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/* FIXME: these shouldn't be needed, except for 16-bit functions */
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extern HRESULT WINE_StringFromCLSID(const CLSID *id,LPSTR idstr);
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HRESULT WINAPI __CLSIDFromStringA(LPCSTR idstr, CLSID *id);
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HRESULT MARSHAL_Disconnect_Proxies(APARTMENT *apt);
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HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv);
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/* Stub Manager */
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ULONG stub_manager_int_addref(struct stub_manager *This);
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ULONG stub_manager_int_release(struct stub_manager *This);
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struct stub_manager *new_stub_manager(APARTMENT *apt, IUnknown *object, MSHLFLAGS mshlflags);
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ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs);
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ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs);
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struct ifstub *stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, IUnknown *iptr, REFIID iid);
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struct stub_manager *get_stub_manager(APARTMENT *apt, OID oid);
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struct stub_manager *get_stub_manager_from_object(APARTMENT *apt, void *object);
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void apartment_disconnect_object(APARTMENT *apt, void *object);
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BOOL stub_manager_notify_unmarshal(struct stub_manager *m);
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BOOL stub_manager_is_table_marshaled(struct stub_manager *m);
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void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs);
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HRESULT register_ifstub(APARTMENT *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *obj, MSHLFLAGS mshlflags);
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HRESULT ipid_to_stub_manager(const IPID *ipid, APARTMENT **stub_apt, struct stub_manager **stubmgr_ret);
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IRpcStubBuffer *ipid_to_apt_and_stubbuffer(const IPID *ipid, APARTMENT **stub_apt);
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HRESULT start_apartment_remote_unknown(void);
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/* RPC Backend */
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void RPC_StartRemoting(struct apartment *apt);
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HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid, IRpcChannelBuffer **pipebuf);
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HRESULT RPC_ExecuteCall(RPCOLEMESSAGE *msg, IRpcStubBuffer *stub);
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HRESULT RPC_RegisterInterface(REFIID riid);
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void RPC_UnregisterInterface(REFIID riid);
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void RPC_StartLocalServer(REFCLSID clsid, IStream *stream);
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HRESULT RPC_GetLocalClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv);
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/* This function initialize the Running Object Table */
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HRESULT WINAPI RunningObjectTableImpl_Initialize(void);
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/* This function uninitialize the Running Object Table */
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HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void);
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/* This function decomposes a String path to a String Table containing all the elements ("\" or "subDirectory" or "Directory" or "FileName") of the path */
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int WINAPI FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable);
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/* Apartment Functions */
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APARTMENT *COM_ApartmentFromOXID(OXID oxid, BOOL ref);
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APARTMENT *COM_ApartmentFromTID(DWORD tid);
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DWORD COM_ApartmentAddRef(struct apartment *apt);
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DWORD COM_ApartmentRelease(struct apartment *apt);
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/* messages used by the apartment window (not compatible with native) */
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#define DM_EXECUTERPC (WM_USER + 0) /* WPARAM = (RPCOLEMESSAGE *), LPARAM = (IRpcStubBuffer *) */
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/*
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* Per-thread values are stored in the TEB on offset 0xF80,
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* see http://www.microsoft.com/msj/1099/bugslayer/bugslayer1099.htm
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*/
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/* will create if necessary */
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static inline struct oletls *COM_CurrentInfo(void)
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{
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if (!NtCurrentTeb()->ReservedForOle)
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NtCurrentTeb()->ReservedForOle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct oletls));
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return NtCurrentTeb()->ReservedForOle;
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}
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static inline APARTMENT* COM_CurrentApt(void)
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{
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return COM_CurrentInfo()->apt;
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}
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#define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
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#endif /* __WINE_OLE_COMPOBJ_H */
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