Sweden-Number/dlls/ole32/compobj_private.h

267 lines
11 KiB
C

/*
* Copyright 1995 Martin von Loewis
* Copyright 1998 Justin Bradford
* Copyright 1999 Francis Beaudet
* Copyright 1999 Sylvain St-Germain
* Copyright 2002 Marcus Meissner
* Copyright 2003 Ove Kåven, TransGaming Technologies
* Copyright 2004 Mike Hearn, Rob Shearman, CodeWeavers Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __WINE_OLE_COMPOBJ_H
#define __WINE_OLE_COMPOBJ_H
/* All private prototype functions used by OLE will be added to this header file */
#include <stdarg.h>
#include "wine/list.h"
#include "windef.h"
#include "winbase.h"
#include "wtypes.h"
#include "dcom.h"
#include "winreg.h"
#include "winternl.h"
struct apartment;
typedef struct apartment APARTMENT;
/* Thread-safety Annotation Legend:
*
* RO - The value is read only. It never changes after creation, so no
* locking is required.
* LOCK - The value is written to only using Interlocked* functions.
* CS - The value is read or written to inside a critical section.
* The identifier following "CS" is the specific critical setion that
* must be used.
* MUTEX - The value is read or written to with a mutex held.
* The identifier following "MUTEX" is the specific mutex that
* must be used.
*/
typedef enum ifstub_state
{
STUBSTATE_NORMAL_MARSHALED,
STUBSTATE_NORMAL_UNMARSHALED,
STUBSTATE_TABLE_WEAK_MARSHALED,
STUBSTATE_TABLE_WEAK_UNMARSHALED,
STUBSTATE_TABLE_STRONG,
} STUB_STATE;
/* an interface stub */
struct ifstub
{
struct list entry; /* entry in stub_manager->ifstubs list (CS stub_manager->lock) */
IRpcStubBuffer *stubbuffer; /* RO */
IID iid; /* RO */
IPID ipid; /* RO */
IUnknown *iface; /* RO */
MSHLFLAGS flags; /* so we can enforce process-local marshalling rules (RO) */
};
/* stub managers hold refs on the object and each interface stub */
struct stub_manager
{
struct list entry; /* entry in apartment stubmgr list (CS apt->cs) */
struct list ifstubs; /* list of active ifstubs for the object (CS lock) */
CRITICAL_SECTION lock;
APARTMENT *apt; /* owning apt (RO) */
ULONG extrefs; /* number of 'external' references (CS lock) */
ULONG refs; /* internal reference count (CS apt->cs) */
OID oid; /* apartment-scoped unique identifier (RO) */
IUnknown *object; /* the object we are managing the stub for (RO) */
ULONG next_ipid; /* currently unused (LOCK) */
/* We need to keep a count of the outstanding marshals, so we can enforce the
* marshalling rules (ie, you can only unmarshal normal marshals once). Note
* that these counts do NOT include unmarshalled interfaces, once a stream is
* unmarshalled and a proxy set up, this count is decremented.
*/
ULONG norm_refs; /* refcount of normal marshals (CS lock) */
};
/* imported interface proxy */
struct ifproxy
{
struct list entry; /* entry in proxy_manager list (CS parent->cs) */
struct proxy_manager *parent; /* owning proxy_manager (RO) */
LPVOID iface; /* interface pointer (RO) */
STDOBJREF stdobjref; /* marshal data that represents this object (RO) */
IID iid; /* interface ID (RO) */
LPRPCPROXYBUFFER proxy; /* interface proxy (RO) */
DWORD refs; /* imported (public) references (MUTEX parent->remoting_mutex) */
IRpcChannelBuffer *chan; /* channel to object (CS parent->cs) */
};
/* imported object / proxy manager */
struct proxy_manager
{
const IMultiQIVtbl *lpVtbl;
const IMarshalVtbl *lpVtblMarshal;
struct apartment *parent; /* owning apartment (RO) */
struct list entry; /* entry in apartment (CS parent->cs) */
OXID oxid; /* object exported ID (RO) */
OID oid; /* object ID (RO) */
struct list interfaces; /* imported interfaces (CS cs) */
LONG refs; /* proxy reference count (LOCK) */
CRITICAL_SECTION cs; /* thread safety for this object and children */
ULONG sorflags; /* STDOBJREF flags (RO) */
IRemUnknown *remunk; /* proxy to IRemUnknown used for lifecycle management (CS cs) */
HANDLE remoting_mutex; /* mutex used for synchronizing access to IRemUnknown */
};
/* this needs to become a COM object that implements IRemUnknown */
struct apartment
{
struct list entry;
LONG refs; /* refcount of the apartment (LOCK) */
DWORD model; /* threading model (RO) */
DWORD tid; /* thread id (RO) */
OXID oxid; /* object exporter ID (RO) */
LONG ipidc; /* interface pointer ID counter, starts at 1 (LOCK) */
HWND win; /* message window (RO) */
CRITICAL_SECTION cs; /* thread safety */
LPMESSAGEFILTER filter; /* message filter (CS cs) */
struct list proxies; /* imported objects (CS cs) */
struct list stubmgrs; /* stub managers for exported objects (CS cs) */
BOOL remunk_exported; /* has the IRemUnknown interface for this apartment been created yet? (CS cs) */
LONG remoting_started; /* has the RPC system been started for this apartment? (LOCK) */
/* FIXME: OID's should be given out by RPCSS */
OID oidc; /* object ID counter, starts at 1, zero is invalid OID (CS cs) */
};
/* this is what is stored in TEB->ReservedForOle */
struct oletls
{
struct apartment *apt;
IErrorInfo *errorinfo; /* see errorinfo.c */
IUnknown *state; /* see CoSetState */
DWORD inits; /* number of times CoInitializeEx called */
};
/* Global Interface Table Functions */
extern void* StdGlobalInterfaceTable_Construct(void);
extern void StdGlobalInterfaceTable_Destroy(void* self);
extern HRESULT StdGlobalInterfaceTable_GetFactory(LPVOID *ppv);
extern void* StdGlobalInterfaceTableInstance;
/* FIXME: these shouldn't be needed, except for 16-bit functions */
extern HRESULT WINE_StringFromCLSID(const CLSID *id,LPSTR idstr);
HRESULT WINAPI __CLSIDFromStringA(LPCSTR idstr, CLSID *id);
HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *key);
HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv);
/* Stub Manager */
ULONG stub_manager_int_addref(struct stub_manager *This);
ULONG stub_manager_int_release(struct stub_manager *This);
struct stub_manager *new_stub_manager(APARTMENT *apt, IUnknown *object);
ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs);
ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs);
struct ifstub *stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, IUnknown *iptr, REFIID iid, MSHLFLAGS flags);
struct ifstub *stub_manager_find_ifstub(struct stub_manager *m, REFIID iid, MSHLFLAGS flags);
struct stub_manager *get_stub_manager(APARTMENT *apt, OID oid);
struct stub_manager *get_stub_manager_from_object(APARTMENT *apt, void *object);
BOOL stub_manager_notify_unmarshal(struct stub_manager *m, const IPID *ipid);
BOOL stub_manager_is_table_marshaled(struct stub_manager *m, const IPID *ipid);
void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs, const IPID *ipid);
HRESULT ipid_to_stub_manager(const IPID *ipid, APARTMENT **stub_apt, struct stub_manager **stubmgr_ret);
IRpcStubBuffer *ipid_to_apt_and_stubbuffer(const IPID *ipid, APARTMENT **stub_apt);
HRESULT start_apartment_remote_unknown(void);
HRESULT marshal_object(APARTMENT *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *obj, MSHLFLAGS mshlflags);
/* RPC Backend */
struct dispatch_params;
void RPC_StartRemoting(struct apartment *apt);
HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid, IRpcChannelBuffer **pipebuf);
void RPC_ExecuteCall(struct dispatch_params *params);
HRESULT RPC_RegisterInterface(REFIID riid);
void RPC_UnregisterInterface(REFIID riid);
void RPC_StartLocalServer(REFCLSID clsid, IStream *stream);
HRESULT RPC_GetLocalClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv);
/* This function initialize the Running Object Table */
HRESULT WINAPI RunningObjectTableImpl_Initialize(void);
/* This function uninitialize the Running Object Table */
HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void);
/* This function decomposes a String path to a String Table containing all the elements ("\" or "subDirectory" or "Directory" or "FileName") of the path */
int FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable);
/* Apartment Functions */
APARTMENT *apartment_findfromoxid(OXID oxid, BOOL ref);
APARTMENT *apartment_findfromtid(DWORD tid);
DWORD apartment_addref(struct apartment *apt);
DWORD apartment_release(struct apartment *apt);
HRESULT apartment_disconnectproxies(struct apartment *apt);
void apartment_disconnectobject(struct apartment *apt, void *object);
static inline HRESULT apartment_getoxid(struct apartment *apt, OXID *oxid)
{
*oxid = apt->oxid;
return S_OK;
}
/* DCOM messages used by the apartment window (not compatible with native) */
#define DM_EXECUTERPC (WM_USER + 0) /* WPARAM = 0, LPARAM = (struct dispatch_params *) */
/*
* Per-thread values are stored in the TEB on offset 0xF80,
* see http://www.microsoft.com/msj/1099/bugslayer/bugslayer1099.htm
*/
/* will create if necessary */
static inline struct oletls *COM_CurrentInfo(void)
{
if (!NtCurrentTeb()->ReservedForOle)
NtCurrentTeb()->ReservedForOle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct oletls));
return NtCurrentTeb()->ReservedForOle;
}
static inline APARTMENT* COM_CurrentApt(void)
{
return COM_CurrentInfo()->apt;
}
#define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
/* helpers for debugging */
# define DEBUG_SET_CRITSEC_NAME(cs, name) (cs)->DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": " name)
# define DEBUG_CLEAR_CRITSEC_NAME(cs) (cs)->DebugInfo->Spare[0] = 0
extern HINSTANCE OLE32_hInstance; /* FIXME: make static */
#define CHARS_IN_GUID 39 /* including NULL */
#endif /* __WINE_OLE_COMPOBJ_H */