2 * Copyright 1995 Martin von Loewis
3 * Copyright 1998 Justin Bradford
4 * Copyright 1999 Francis Beaudet
5 * Copyright 1999 Sylvain St-Germain
6 * Copyright 2002 Marcus Meissner
7 * Copyright 2003 Ove Kåven, TransGaming Technologies
8 * Copyright 2004 Mike Hearn, Rob Shearman, CodeWeavers Inc
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #ifndef __WINE_OLE_COMPOBJ_H
26 #define __WINE_OLE_COMPOBJ_H
28 /* All private prototype functions used by OLE will be added to this header file */
32 #include "wine/list.h"
42 typedef struct apartment APARTMENT;
44 DEFINE_OLEGUID( CLSID_DfMarshal, 0x0000030b, 0, 0 );
45 DEFINE_OLEGUID( CLSID_PSFactoryBuffer, 0x00000320, 0, 0 );
46 DEFINE_OLEGUID( CLSID_InProcFreeMarshaler, 0x0000033a, 0, 0 );
48 /* Thread-safety Annotation Legend:
50 * RO - The value is read only. It never changes after creation, so no
51 * locking is required.
52 * LOCK - The value is written to only using Interlocked* functions.
53 * CS - The value is read or written to inside a critical section.
54 * The identifier following "CS" is the specific critical setion that
56 * MUTEX - The value is read or written to with a mutex held.
57 * The identifier following "MUTEX" is the specific mutex that
61 typedef enum ifstub_state
63 STUBSTATE_NORMAL_MARSHALED,
64 STUBSTATE_NORMAL_UNMARSHALED,
65 STUBSTATE_TABLE_WEAK_MARSHALED,
66 STUBSTATE_TABLE_WEAK_UNMARSHALED,
67 STUBSTATE_TABLE_STRONG,
70 /* an interface stub */
73 struct list entry; /* entry in stub_manager->ifstubs list (CS stub_manager->lock) */
74 IRpcStubBuffer *stubbuffer; /* RO */
77 IUnknown *iface; /* RO */
78 MSHLFLAGS flags; /* so we can enforce process-local marshalling rules (RO) */
79 IRpcChannelBuffer*chan; /* channel passed to IRpcStubBuffer::Invoke (RO) */
83 /* stub managers hold refs on the object and each interface stub */
86 struct list entry; /* entry in apartment stubmgr list (CS apt->cs) */
87 struct list ifstubs; /* list of active ifstubs for the object (CS lock) */
88 CRITICAL_SECTION lock;
89 APARTMENT *apt; /* owning apt (RO) */
91 ULONG extrefs; /* number of 'external' references (CS lock) */
92 ULONG refs; /* internal reference count (CS apt->cs) */
93 OID oid; /* apartment-scoped unique identifier (RO) */
94 IUnknown *object; /* the object we are managing the stub for (RO) */
95 ULONG next_ipid; /* currently unused (LOCK) */
97 /* We need to keep a count of the outstanding marshals, so we can enforce the
98 * marshalling rules (ie, you can only unmarshal normal marshals once). Note
99 * that these counts do NOT include unmarshalled interfaces, once a stream is
100 * unmarshalled and a proxy set up, this count is decremented.
103 ULONG norm_refs; /* refcount of normal marshals (CS lock) */
106 /* imported interface proxy */
109 struct list entry; /* entry in proxy_manager list (CS parent->cs) */
110 struct proxy_manager *parent; /* owning proxy_manager (RO) */
111 LPVOID iface; /* interface pointer (RO) */
112 STDOBJREF stdobjref; /* marshal data that represents this object (RO) */
113 IID iid; /* interface ID (RO) */
114 LPRPCPROXYBUFFER proxy; /* interface proxy (RO) */
115 DWORD refs; /* imported (public) references (MUTEX parent->remoting_mutex) */
116 IRpcChannelBuffer *chan; /* channel to object (CS parent->cs) */
119 /* imported object / proxy manager */
122 const IMultiQIVtbl *lpVtbl;
123 const IMarshalVtbl *lpVtblMarshal;
124 struct apartment *parent; /* owning apartment (RO) */
125 struct list entry; /* entry in apartment (CS parent->cs) */
126 OXID oxid; /* object exported ID (RO) */
127 OID oid; /* object ID (RO) */
128 struct list interfaces; /* imported interfaces (CS cs) */
129 LONG refs; /* proxy reference count (LOCK) */
130 CRITICAL_SECTION cs; /* thread safety for this object and children */
131 ULONG sorflags; /* STDOBJREF flags (RO) */
132 IRemUnknown *remunk; /* proxy to IRemUnknown used for lifecycle management (CS cs) */
133 HANDLE remoting_mutex; /* mutex used for synchronizing access to IRemUnknown */
134 MSHCTX dest_context; /* context used for activating optimisations (LOCK) */
135 void *dest_context_data; /* reserved context value (LOCK) */
138 /* this needs to become a COM object that implements IRemUnknown */
143 LONG refs; /* refcount of the apartment (LOCK) */
144 BOOL multi_threaded; /* multi-threaded or single-threaded apartment? (RO) */
145 DWORD tid; /* thread id (RO) */
146 OXID oxid; /* object exporter ID (RO) */
147 LONG ipidc; /* interface pointer ID counter, starts at 1 (LOCK) */
148 CRITICAL_SECTION cs; /* thread safety */
149 struct list proxies; /* imported objects (CS cs) */
150 struct list stubmgrs; /* stub managers for exported objects (CS cs) */
151 BOOL remunk_exported; /* has the IRemUnknown interface for this apartment been created yet? (CS cs) */
152 LONG remoting_started; /* has the RPC system been started for this apartment? (LOCK) */
153 struct list psclsids; /* list of registered PS CLSIDs (CS cs) */
155 /* FIXME: OID's should be given out by RPCSS */
156 OID oidc; /* object ID counter, starts at 1, zero is invalid OID (CS cs) */
158 /* STA-only fields */
159 HWND win; /* message window (LOCK) */
160 LPMESSAGEFILTER filter; /* message filter (CS cs) */
161 BOOL main; /* is this a main-threaded-apartment? (RO) */
164 /* this is what is stored in TEB->ReservedForOle */
167 struct apartment *apt;
168 IErrorInfo *errorinfo; /* see errorinfo.c */
169 IUnknown *state; /* see CoSetState */
170 DWORD inits; /* number of times CoInitializeEx called */
174 /* Global Interface Table Functions */
176 extern void* StdGlobalInterfaceTable_Construct(void);
177 extern HRESULT StdGlobalInterfaceTable_GetFactory(LPVOID *ppv);
178 extern void* StdGlobalInterfaceTableInstance;
180 /* FIXME: these shouldn't be needed, except for 16-bit functions */
181 extern HRESULT WINE_StringFromCLSID(const CLSID *id,LPSTR idstr);
183 HRESULT COM_OpenKeyForCLSID(REFCLSID clsid, LPCWSTR keyname, REGSAM access, HKEY *key);
184 HRESULT COM_OpenKeyForAppIdFromCLSID(REFCLSID clsid, REGSAM access, HKEY *subkey);
185 HRESULT MARSHAL_GetStandardMarshalCF(LPVOID *ppv);
186 HRESULT FTMarshalCF_Create(REFIID riid, LPVOID *ppv);
190 ULONG stub_manager_int_addref(struct stub_manager *This);
191 ULONG stub_manager_int_release(struct stub_manager *This);
192 struct stub_manager *new_stub_manager(APARTMENT *apt, IUnknown *object);
193 ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs);
194 ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs, BOOL last_unlock_releases);
195 struct ifstub *stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, IUnknown *iptr, REFIID iid, MSHLFLAGS flags);
196 struct ifstub *stub_manager_find_ifstub(struct stub_manager *m, REFIID iid, MSHLFLAGS flags);
197 struct stub_manager *get_stub_manager(APARTMENT *apt, OID oid);
198 struct stub_manager *get_stub_manager_from_object(APARTMENT *apt, void *object);
199 BOOL stub_manager_notify_unmarshal(struct stub_manager *m, const IPID *ipid);
200 BOOL stub_manager_is_table_marshaled(struct stub_manager *m, const IPID *ipid);
201 void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs, const IPID *ipid);
202 HRESULT ipid_to_stub_manager(const IPID *ipid, APARTMENT **stub_apt, struct stub_manager **stubmgr_ret);
203 HRESULT ipid_get_dispatch_params(const IPID *ipid, APARTMENT **stub_apt, IRpcStubBuffer **stub, IRpcChannelBuffer **chan);
204 HRESULT start_apartment_remote_unknown(void);
206 HRESULT marshal_object(APARTMENT *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *obj, MSHLFLAGS mshlflags);
210 struct dispatch_params;
212 void RPC_StartRemoting(struct apartment *apt);
213 HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid,
214 DWORD dest_context, void *dest_context_data,
215 IRpcChannelBuffer **chan);
216 HRESULT RPC_CreateServerChannel(IRpcChannelBuffer **chan);
217 void RPC_ExecuteCall(struct dispatch_params *params);
218 HRESULT RPC_RegisterInterface(REFIID riid);
219 void RPC_UnregisterInterface(REFIID riid);
220 void RPC_StartLocalServer(REFCLSID clsid, IStream *stream);
221 HRESULT RPC_GetLocalClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv);
223 /* This function initialize the Running Object Table */
224 HRESULT WINAPI RunningObjectTableImpl_Initialize(void);
226 /* This function uninitialize the Running Object Table */
227 HRESULT WINAPI RunningObjectTableImpl_UnInitialize(void);
229 /* This function decomposes a String path to a String Table containing all the elements ("\" or "subDirectory" or "Directory" or "FileName") of the path */
230 int FileMonikerImpl_DecomposePath(LPCOLESTR str, LPOLESTR** stringTable);
233 /* Apartment Functions */
235 APARTMENT *apartment_findfromoxid(OXID oxid, BOOL ref);
236 APARTMENT *apartment_findfromtid(DWORD tid);
237 DWORD apartment_addref(struct apartment *apt);
238 DWORD apartment_release(struct apartment *apt);
239 HRESULT apartment_disconnectproxies(struct apartment *apt);
240 void apartment_disconnectobject(struct apartment *apt, void *object);
241 static inline HRESULT apartment_getoxid(struct apartment *apt, OXID *oxid)
246 HRESULT apartment_createwindowifneeded(struct apartment *apt);
247 HWND apartment_getwindow(struct apartment *apt);
248 void apartment_joinmta(void);
251 /* DCOM messages used by the apartment window (not compatible with native) */
252 #define DM_EXECUTERPC (WM_USER + 0) /* WPARAM = 0, LPARAM = (struct dispatch_params *) */
253 #define DM_HOSTOBJECT (WM_USER + 1) /* WPARAM = 0, LPARAM = (struct host_object_params *) */
256 * Per-thread values are stored in the TEB on offset 0xF80,
257 * see http://www.microsoft.com/msj/1099/bugslayer/bugslayer1099.htm
260 /* will create if necessary */
261 static inline struct oletls *COM_CurrentInfo(void)
263 if (!NtCurrentTeb()->ReservedForOle)
264 NtCurrentTeb()->ReservedForOle = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct oletls));
266 return NtCurrentTeb()->ReservedForOle;
269 static inline APARTMENT* COM_CurrentApt(void)
271 return COM_CurrentInfo()->apt;
274 #define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
276 /* helpers for debugging */
277 # define DEBUG_SET_CRITSEC_NAME(cs, name) (cs)->DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": " name)
278 # define DEBUG_CLEAR_CRITSEC_NAME(cs) (cs)->DebugInfo->Spare[0] = 0
280 extern HINSTANCE OLE32_hInstance; /* FIXME: make static */
282 #define CHARS_IN_GUID 39 /* including NULL */
284 /* Exported non-interface Data Advise Holder functions */
285 HRESULT DataAdviseHolder_OnConnect(IDataAdviseHolder *iface, IDataObject *pDelegate);
286 void DataAdviseHolder_OnDisconnect(IDataAdviseHolder *iface);
288 #endif /* __WINE_OLE_COMPOBJ_H */