include/rpcproxy.h

/*
 * Copyright (C) 2001 Ove Kaaven
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef __RPCPROXY_H_VERSION__
/* FIXME: Find an appropriate version number.  I guess something is better than nothing */
#define __RPCPROXY_H_VERSION__ ( 399 )
#endif

#ifndef __WINE_RPCPROXY_H
#define __WINE_RPCPROXY_H

#define __midl_proxy

#include <basetsd.h>
#ifndef GUID_DEFINED
#include <guiddef.h>
#endif
#include <rpc.h>
#include <rpcndr.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct tagCInterfaceStubVtbl *PCInterfaceStubVtblList;
typedef struct tagCInterfaceProxyVtbl *PCInterfaceProxyVtblList;
typedef const char *PCInterfaceName;
typedef int __stdcall IIDLookupRtn( const IID *pIID, int *pIndex );
typedef IIDLookupRtn *PIIDLookup;

typedef struct tagProxyFileInfo
{
  const PCInterfaceProxyVtblList *pProxyVtblList;
  const PCInterfaceStubVtblList *pStubVtblList;
  const PCInterfaceName *pNamesArray;
  const IID **pDelegatedIIDs;
  const PIIDLookup pIIDLookupRtn;
  unsigned short TableSize;
  unsigned short TableVersion;
  const IID **pAsyncIIDLookup;
  LONG_PTR Filler2;
  LONG_PTR Filler3;
  LONG_PTR Filler4;
} ProxyFileInfo;

typedef ProxyFileInfo ExtendedProxyFileInfo;

typedef struct tagCInterfaceProxyHeader
{
#ifdef USE_STUBLESS_PROXY
  const void *pStublessProxyInfo;
#endif
  const IID *piid;
} CInterfaceProxyHeader;

#define CINTERFACE_PROXY_VTABLE(n) \
  struct \
  { \
    CInterfaceProxyHeader header; \
    void *Vtbl[n]; \
  }

typedef struct tagCInterfaceProxyVtbl
{
  CInterfaceProxyHeader header;
#if defined(__GNUC__)
  void *Vtbl[0];
#else
  void *Vtbl[1];
#endif
} CInterfaceProxyVtbl;

typedef void (__RPC_STUB *PRPC_STUB_FUNCTION)(
  IRpcStubBuffer *This,
  IRpcChannelBuffer *_pRpcChannelBuffer,
  PRPC_MESSAGE _pRpcMessage,
  DWORD *pdwStubPhase);

typedef struct tagCInterfaceStubHeader
{
  const IID *piid;
  const MIDL_SERVER_INFO *pServerInfo;
  ULONG DispatchTableCount;
  const PRPC_STUB_FUNCTION *pDispatchTable;
} CInterfaceStubHeader;

typedef struct tagCInterfaceStubVtbl
{
  CInterfaceStubHeader header;
  IRpcStubBufferVtbl Vtbl;
} CInterfaceStubVtbl;

typedef struct tagCStdStubBuffer
{
  const IRpcStubBufferVtbl *lpVtbl;
  LONG RefCount;
  struct IUnknown *pvServerObject;
  const struct ICallFactoryVtbl *pCallFactoryVtbl;
  const IID *pAsyncIID;
  struct IPSFactoryBuffer *pPSFactory;
} CStdStubBuffer;

typedef struct tagCStdPSFactoryBuffer
{
  const IPSFactoryBufferVtbl *lpVtbl;
  LONG RefCount;
  const ProxyFileInfo **pProxyFileList;
  LONG Filler1;
} CStdPSFactoryBuffer;

#define STUB_FORWARDING_FUNCTION NdrStubForwardingFunction

ULONG STDMETHODCALLTYPE CStdStubBuffer2_Release(IRpcStubBuffer *This) DECLSPEC_HIDDEN;
ULONG STDMETHODCALLTYPE NdrCStdStubBuffer2_Release(IRpcStubBuffer *This, IPSFactoryBuffer *pPSF);

#define CStdStubBuffer_DELEGATING_METHODS 0, 0, CStdStubBuffer2_Release, 0, 0, 0, 0, 0, 0, 0


HRESULT WINAPI
  CStdStubBuffer_QueryInterface( IRpcStubBuffer *This, REFIID riid, void **ppvObject );
ULONG WINAPI
  CStdStubBuffer_AddRef( IRpcStubBuffer *This );
ULONG WINAPI
  CStdStubBuffer_Release( IRpcStubBuffer *This ) DECLSPEC_HIDDEN;
ULONG WINAPI
  NdrCStdStubBuffer_Release( IRpcStubBuffer *This, IPSFactoryBuffer *pPSF );
HRESULT WINAPI
  CStdStubBuffer_Connect( IRpcStubBuffer *This, IUnknown *pUnkServer );
void WINAPI
  CStdStubBuffer_Disconnect( IRpcStubBuffer *This );
HRESULT WINAPI
  CStdStubBuffer_Invoke( IRpcStubBuffer *This, RPCOLEMESSAGE *pRpcMsg, IRpcChannelBuffer *pRpcChannelBuffer );
IRpcStubBuffer * WINAPI
  CStdStubBuffer_IsIIDSupported( IRpcStubBuffer *This, REFIID riid );
ULONG WINAPI
  CStdStubBuffer_CountRefs( IRpcStubBuffer *This );
HRESULT WINAPI
  CStdStubBuffer_DebugServerQueryInterface( IRpcStubBuffer *This, void **ppv );
void WINAPI
  CStdStubBuffer_DebugServerRelease( IRpcStubBuffer *This, void *pv );

#define CStdStubBuffer_METHODS \
  CStdStubBuffer_QueryInterface, \
  CStdStubBuffer_AddRef, \
  CStdStubBuffer_Release, \
  CStdStubBuffer_Connect, \
  CStdStubBuffer_Disconnect, \
  CStdStubBuffer_Invoke, \
  CStdStubBuffer_IsIIDSupported, \
  CStdStubBuffer_CountRefs, \
  CStdStubBuffer_DebugServerQueryInterface, \
  CStdStubBuffer_DebugServerRelease

RPCRTAPI void RPC_ENTRY
  NdrProxyInitialize( void *This, PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg,
                      PMIDL_STUB_DESC pStubDescriptor, unsigned int ProcNum );
RPCRTAPI void RPC_ENTRY
  NdrProxyGetBuffer( void *This, PMIDL_STUB_MESSAGE pStubMsg );
RPCRTAPI void RPC_ENTRY
  NdrProxySendReceive( void *This, PMIDL_STUB_MESSAGE pStubMsg );
RPCRTAPI void RPC_ENTRY
  NdrProxyFreeBuffer( void *This, PMIDL_STUB_MESSAGE pStubMsg );
RPCRTAPI HRESULT RPC_ENTRY
  NdrProxyErrorHandler( DWORD dwExceptionCode );

RPCRTAPI void RPC_ENTRY
  NdrStubInitialize( PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg,
                     PMIDL_STUB_DESC pStubDescriptor, IRpcChannelBuffer *pRpcChannelBuffer );
RPCRTAPI void RPC_ENTRY
  NdrStubInitializePartial( PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg,
                            PMIDL_STUB_DESC pStubDescriptor, IRpcChannelBuffer *pRpcChannelBuffer,
                            ULONG RequestedBufferSize );
void __RPC_STUB NdrStubForwardingFunction( IRpcStubBuffer *This, IRpcChannelBuffer *pChannel,
                                           PRPC_MESSAGE pMsg, DWORD *pdwStubPhase );
RPCRTAPI void RPC_ENTRY
  NdrStubGetBuffer( IRpcStubBuffer *This, IRpcChannelBuffer *pRpcChannelBuffer, PMIDL_STUB_MESSAGE pStubMsg );
RPCRTAPI HRESULT RPC_ENTRY
  NdrStubErrorHandler( DWORD dwExceptionCode );

RPCRTAPI HRESULT RPC_ENTRY
  NdrDllGetClassObject( REFCLSID rclsid, REFIID riid, void **ppv, const ProxyFileInfo **pProxyFileList,
                        const CLSID *pclsid, CStdPSFactoryBuffer *pPSFactoryBuffer );
RPCRTAPI HRESULT RPC_ENTRY
  NdrDllCanUnloadNow( CStdPSFactoryBuffer *pPSFactoryBuffer );

RPCRTAPI HRESULT RPC_ENTRY
  NdrDllRegisterProxy( HMODULE hDll, const ProxyFileInfo **pProxyFileList, const CLSID *pclsid );
RPCRTAPI HRESULT RPC_ENTRY
  NdrDllUnregisterProxy( HMODULE hDll, const ProxyFileInfo **pProxyFileList, const CLSID *pclsid );

#define CSTDSTUBBUFFERRELEASE(pFactory) \
ULONG WINAPI CStdStubBuffer_Release(IRpcStubBuffer *This) \
  { return NdrCStdStubBuffer_Release(This, (IPSFactoryBuffer *)pFactory); }

#ifdef PROXY_DELEGATION
#define CSTDSTUBBUFFER2RELEASE(pFactory) \
ULONG WINAPI CStdStubBuffer2_Release(IRpcStubBuffer *This) \
  { return NdrCStdStubBuffer2_Release(This, (IPSFactoryBuffer *)pFactory); }
#else
#define CSTDSTUBBUFFER2RELEASE(pFactory)
#endif

#define IID_GENERIC_CHECK_IID(name,pIID,index) memcmp(pIID, name##_ProxyVtblList[index]->header.piid, sizeof(IID))

/*
 * In these macros, BS stands for Binary Search. MIDL uses these to
 * "unroll" a binary search into the module's IID_Lookup function.
 * However, I haven't bothered to reimplement that stuff yet;
 * I've just implemented a linear search for now.
 */
#define IID_BS_LOOKUP_SETUP \
  int c;
#define IID_BS_LOOKUP_INITIAL_TEST(name, sz, split)
#define IID_BS_LOOKUP_NEXT_TEST(name, split)
#define IID_BS_LOOKUP_RETURN_RESULT(name, sz, index) \
  for (c=0; c<sz; c++) if (!name##_CHECK_IID(c)) { (index)=c; return 1; } \
  return 0;

/* macros used in dlldata.c files */
#define EXTERN_PROXY_FILE(proxy) \
    EXTERN_C const ProxyFileInfo proxy##_ProxyFileInfo DECLSPEC_HIDDEN;

#define PROXYFILE_LIST_START \
    const ProxyFileInfo * aProxyFileList[] DECLSPEC_HIDDEN = \
    {

#define REFERENCE_PROXY_FILE(proxy) \
        & proxy##_ProxyFileInfo

#define PROXYFILE_LIST_END \
        NULL \
    };


/* define PROXY_CLSID to use an existing CLSID */
/* define PROXY_CLSID_IS to specify the CLSID data of the PSFactoryBuffer */
/* define neither to use the GUID of the first interface */
#ifdef PROXY_CLSID
# define CLSID_PSFACTORYBUFFER extern CLSID PROXY_CLSID DECLSPEC_HIDDEN;
#else
# ifdef PROXY_CLSID_IS
#  define CLSID_PSFACTORYBUFFER const CLSID CLSID_PSFactoryBuffer DECLSPEC_HIDDEN; \
    const CLSID CLSID_PSFactoryBuffer = PROXY_CLSID_IS;
#  define PROXY_CLSID CLSID_PSFactoryBuffer
# else
#  define CLSID_PSFACTORYBUFFER
# endif
#endif

#ifndef PROXY_CLSID
# define GET_DLL_CLSID (aProxyFileList[0]->pStubVtblList[0] ? \
    aProxyFileList[0]->pStubVtblList[0]->header.piid : NULL)
#else
# define GET_DLL_CLSID &PROXY_CLSID
#endif

#ifdef ENTRY_PREFIX
# define __rpc_macro_expand2(a, b) a##b
# define __rpc_macro_expand(a, b) __rpc_macro_expand2(a, b)
# define DLLREGISTERSERVER_ENTRY __rpc_macro_expand(ENTRY_PREFIX, DllRegisterServer)
# define DLLUNREGISTERSERVER_ENTRY __rpc_macro_expand(ENTRY_PREFIX, DllUnregisterServer)
# define DLLMAIN_ENTRY __rpc_macro_expand(ENTRY_PREFIX, DllMain)
# define DLLGETCLASSOBJECT_ENTRY __rpc_macro_expand(ENTRY_PREFIX, DllGetClassObject)
# define DLLCANUNLOADNOW_ENTRY __rpc_macro_expand(ENTRY_PREFIX, DllCanUnloadNow)
#else
# define DLLREGISTERSERVER_ENTRY DllRegisterServer
# define DLLUNREGISTERSERVER_ENTRY DllUnregisterServer
# define DLLMAIN_ENTRY DllMain
# define DLLGETCLASSOBJECT_ENTRY DllGetClassObject
# define DLLCANUNLOADNOW_ENTRY DllCanUnloadNow
#endif

#define DLLDATA_GETPROXYDLLINFO(pfl, rclsid) \
    void RPC_ENTRY GetProxyDllInfo(const ProxyFileInfo ***ppProxyFileInfo, \
                                   const CLSID **ppClsid) DECLSPEC_HIDDEN; \
    void RPC_ENTRY GetProxyDllInfo(const ProxyFileInfo ***ppProxyFileInfo, \
                                   const CLSID **ppClsid) \
    { \
        *ppProxyFileInfo = (pfl); \
        *ppClsid = (rclsid); \
    }

#define DLLGETCLASSOBJECTROUTINE(pfl, factory_clsid, factory) \
    HRESULT WINAPI DLLGETCLASSOBJECT_ENTRY(REFCLSID rclsid, REFIID riid, void **ppv) DECLSPEC_HIDDEN; \
    HRESULT WINAPI DLLGETCLASSOBJECT_ENTRY(REFCLSID rclsid, REFIID riid, \
                                           void **ppv) \
    { \
        return NdrDllGetClassObject(rclsid, riid, ppv, (pfl), \
                                    (factory_clsid), factory); \
    }

#define DLLCANUNLOADNOW(factory) \
    HRESULT WINAPI DLLCANUNLOADNOW_ENTRY(void) DECLSPEC_HIDDEN; \
    HRESULT WINAPI DLLCANUNLOADNOW_ENTRY(void) \
    { \
        return NdrDllCanUnloadNow((factory)); \
    }

#define REGISTER_PROXY_DLL_ROUTINES(pfl, factory_clsid) \
    HINSTANCE hProxyDll DECLSPEC_HIDDEN = NULL; \
    \
    BOOL WINAPI DLLMAIN_ENTRY(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) DECLSPEC_HIDDEN; \
    BOOL WINAPI DLLMAIN_ENTRY(HINSTANCE hinstDLL, DWORD fdwReason, \
                              LPVOID lpvReserved) \
    { \
        if (fdwReason == DLL_PROCESS_ATTACH) \
        { \
            DisableThreadLibraryCalls(hinstDLL); \
            hProxyDll = hinstDLL; \
        } \
        return TRUE; \
    } \
    \
    HRESULT WINAPI DLLREGISTERSERVER_ENTRY(void) DECLSPEC_HIDDEN; \
    HRESULT WINAPI DLLREGISTERSERVER_ENTRY(void) \
    { \
        return NdrDllRegisterProxy(hProxyDll, (pfl), (factory_clsid)); \
    } \
    \
    HRESULT WINAPI DLLUNREGISTERSERVER_ENTRY(void) DECLSPEC_HIDDEN; \
    HRESULT WINAPI DLLUNREGISTERSERVER_ENTRY(void) \
    { \
        return NdrDllUnregisterProxy(hProxyDll, (pfl), (factory_clsid)); \
    }

#ifdef REGISTER_PROXY_DLL
# define DLLREGISTRY_ROUTINES(pfl, factory_clsid) \
    REGISTER_PROXY_DLL_ROUTINES(pfl, factory_clsid)
#else
# define DLLREGISTRY_ROUTINES(pfl, factory_clsid)
#endif

#define DLLDATA_ROUTINES(pfl, factory_clsid) \
    CLSID_PSFACTORYBUFFER \
    CStdPSFactoryBuffer DECLSPEC_HIDDEN gPFactory = { NULL, 0, NULL, 0 }; \
    DLLDATA_GETPROXYDLLINFO(pfl, factory_clsid) \
    DLLGETCLASSOBJECTROUTINE(pfl, factory_clsid, &gPFactory) \
    DLLCANUNLOADNOW(&gPFactory) \
    CSTDSTUBBUFFERRELEASE(&gPFactory) \
    CSTDSTUBBUFFER2RELEASE(&gPFactory) \
    DLLREGISTRY_ROUTINES(pfl, factory_clsid)

#if 0

RPCRTAPI HRESULT RPC_ENTRY
  CreateProxyFromTypeInfo( LPTYPEINFO pTypeInfo, LPUNKNOWN pUnkOuter, REFIID riid,
                           LPRPCPROXYBUFFER *ppProxy, LPVOID *ppv );
RPCRTAPI HRESULT RPC_ENTRY
  CreateStubFromTypeInfo( LPTYPEINFO pTypeInfo, REFIID riid, LPUNKNOWN pUnkServer,
                          LPRPCSTUBBUFFER *ppStub );

#endif

#ifdef __cplusplus
}
#endif

#endif /*__WINE_RPCPROXY_H */