Leaked source code of windows server 2003
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//************************************************************************
//
// Copyright (C) Microsoft Corporation, 1996-2000.
//
// File: typeinfo.cxx
//
// Contents: Generates -Oi2 proxies and stubs from an ITypeInfo.
//
// Functions: CacheRegister
// CacheRelease
// CacheLookup
//
// History: 26-Apr-96 ShannonC Created
// June 1997 YongQu Add UDT support
// Oct 1998 YongQu arbitrary length vtbl
//
//----------------------------------------------------------------------------
#include <typeinfo.h>
#include <interp.h>
#include <stddef.h>
#include <ndrtypes.h>
#include <tiutil.h>
#ifdef DOSWIN32RPC
#include <critsec.hxx>
#endif
#include <sysinc.h>
#include <limits.h>
#include "fmtstr.h"
#define GetWireSize(x) (x->WireSize)
#define GetMemorySize(x) (x->MemorySize)
#define GetMemoryAlignment(x) (x->MemoryAlignment)
#define GetWireAlignment(x) (x->WireAlignment)
extern const IRpcProxyBufferVtbl CStdProxyBuffer3Vtbl = {
CStdProxyBuffer_QueryInterface,
CStdProxyBuffer_AddRef,
CStdProxyBuffer3_Release,
CStdProxyBuffer2_Connect,
CStdProxyBuffer2_Disconnect };
HRESULT NdrpInitializeStublessVtbl(ULONG numMethods);
void GetTemplateVtbl(void *** pVtbl);
void ReleaseTemplateVtbl(void ** pVtbl);
void GetTemplateForwardVtbl(void *** pVtbl);
void ReleaseTemplateForwardVtbl(void ** pVtbl);
extern const IReleaseMarshalBuffersVtbl CStdProxyBuffer_ReleaseMarshalBuffersVtbl;
extern const IReleaseMarshalBuffersVtbl CStdStubBuffer_ReleaseMarshalBuffersVtbl;
static I_RPC_MUTEX TypeInfoMutex = 0;
//#define CACHE_BLOCK 32
//#define INIT_HIGH_MARK 20
//#define THRASHING_TIME 1000*30 // 30 sec
//The constants can be tunable instead of constants.
static LONG CACHE_BLOCK=32;
static ULONG INIT_HIGH_MARK = 20;
static ULONG IDLE_TIME= 1000 * 60 *5; // 5 minutes.
#define THRASHING_TIME 1000*30
#define DELTA_MARK 4 // shrink 25% each time.
HINSTANCE hOleAut32 = 0;
// local to this file only
static TypeInfoCache* g_pCache = NULL;//array of cache entries.
static LONG g_lActiveCacheRef = 0;
static LONG g_lCacheSize = 0;
static LONG g_lTotalCacheRef = 0;
#ifdef DEBUGRPC
static LONG g_lCount = 0;
#endif
#if defined(_IA64_)
#define ARGS_IN_REGISTERS 8
#elif defined(_AMD64_)
#define ARGS_IN_REGISTERS 4
#endif
//+---------------------------------------------------------------------------
//
// Function: CreateProxyFromTypeInfo
//
// Synopsis: Creates an interface proxy using the type information supplied
// in pTypeInfo.
//
// Arguments:
// pTypeInfo - Supplies the ITypeInfo * describing the interface.
// punkOuter - Specifies the controlling unknown.
// riid - Specifies the interface ID.
// ppProxy - Returns a pointer to the IRpcProxyBuffer interface.
// ppv - Returns a pointer to the specified interface.
//
// Returns:
// S_OK
// E_NOINTERFACE
// E_OUTOFMEMORY
//
//----------------------------------------------------------------------------
HRESULT STDAPICALLTYPE
CreateProxyFromTypeInfo
(
IN ITypeInfo * pTypeInfo,
IN IUnknown * punkOuter,
IN REFIID riid,
OUT IRpcProxyBuffer ** ppProxy,
OUT void ** ppv
)
{
HRESULT hr = E_FAIL;
BOOL fIsDual;
void * pVtbl;
*ppProxy = NULL;
*ppv = NULL;
//Get the proxy vtable.
hr = GetProxyVtblFromTypeInfo(pTypeInfo, riid, &fIsDual, &pVtbl);
if(SUCCEEDED(hr))
{
//Create the proxy.
CStdProxyBuffer2 *pProxyBuffer;
pProxyBuffer = new CStdProxyBuffer2;
if(pProxyBuffer != NULL)
{
memset(pProxyBuffer, 0, sizeof(CStdProxyBuffer2));
pProxyBuffer->lpVtbl = &CStdProxyBuffer3Vtbl;
pProxyBuffer->RefCount = 1;
pProxyBuffer->punkOuter = punkOuter ?
punkOuter : (IUnknown *) pProxyBuffer;
pProxyBuffer->pProxyVtbl = pVtbl;
pProxyBuffer->pRMBVtbl = &CStdProxyBuffer_ReleaseMarshalBuffersVtbl;
if(fIsDual)
{
pProxyBuffer->iidBase = IID_IDispatch;
//Create the proxy for the base interface.
hr = NdrpCreateProxy(IID_IDispatch,
(IUnknown *) pProxyBuffer,
&pProxyBuffer->pBaseProxyBuffer,
(void **)&pProxyBuffer->pBaseProxy);
}
else
{
hr = S_OK;
}
if(SUCCEEDED(hr))
{
*ppProxy = (IRpcProxyBuffer *) pProxyBuffer;
pProxyBuffer->punkOuter->lpVtbl->AddRef(pProxyBuffer->punkOuter);
*ppv = &pProxyBuffer->pProxyVtbl;
}
else
{
delete pProxyBuffer;
}
}
else
{
hr = E_OUTOFMEMORY;
}
if(FAILED(hr))
{
ReleaseProxyVtbl(pVtbl);
}
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: GetProxyVtblFromTypeInfo
//
// Synopsis: Get a pointer to the proxy vtbl. The proxy vtbl should be
// released via ReleaseProxyVtbl.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT GetProxyVtblFromTypeInfo
(
IN ITypeInfo * pTypeInfo,
IN REFIID riid,
OUT BOOL * pfIsDual,
OUT void ** ppVtbl
)
{
HRESULT hr = E_FAIL;
TypeInfoVtbl *pInfo;
//Get the vtbl.
hr = GetVtbl(pTypeInfo, riid, &pInfo);
if(SUCCEEDED(hr))
{
*pfIsDual = pInfo->fIsDual;
*ppVtbl = &pInfo->proxyVtbl.Vtbl;
}
else
{
*ppVtbl = NULL;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: CreateStubFromTypeInfo
//
// Synopsis: Create an interface stub from the type information
// supplied in pTypeInfo.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT STDAPICALLTYPE
CreateStubFromTypeInfo
(
IN ITypeInfo * pTypeInfo,
IN REFIID riid,
IN IUnknown * punkServer,
OUT IRpcStubBuffer ** ppStub
)
{
HRESULT hr = E_FAIL;
BOOL fIsDual;
IRpcStubBufferVtbl *pVtbl;
void ** pForwardingVtbl;
*ppStub = NULL;
//Get the stub vtable.
hr = GetStubVtblFromTypeInfo(pTypeInfo, riid, &fIsDual, &pVtbl);
if(SUCCEEDED(hr))
{
//Create the stub
IUnknown * punkForward;
CStdStubBuffer2 *pStubBuffer = new CStdStubBuffer2;
if(pStubBuffer != NULL)
{
GetTemplateForwardVtbl(&pForwardingVtbl);
//Initialize the new stub buffer.
pStubBuffer->lpForwardingVtbl = pForwardingVtbl;
pStubBuffer->pBaseStubBuffer = 0;
pStubBuffer->lpVtbl = pVtbl;
pStubBuffer->RefCount= 1;
pStubBuffer->pvServerObject = 0;
pStubBuffer->pRMBVtbl = &CStdStubBuffer_ReleaseMarshalBuffersVtbl;
*ppStub = (IRpcStubBuffer *) &pStubBuffer->lpVtbl;
//Connect the stub to the server object.
if(punkServer != 0)
{
hr = punkServer->lpVtbl->QueryInterface(
punkServer,
riid,
(void **) &pStubBuffer->pvServerObject);
}
else
{
hr = S_OK;
}
if(SUCCEEDED(hr))
{
if(punkServer != 0)
punkForward = (IUnknown *) &pStubBuffer->lpForwardingVtbl;
else
punkForward = 0;
if(fIsDual)
{
//Create a stub for the base interface
hr = NdrpCreateStub(IID_IDispatch,
punkForward,
&pStubBuffer->pBaseStubBuffer);
}
if(FAILED(hr))
{
if(pStubBuffer->pvServerObject)
pStubBuffer->pvServerObject->lpVtbl->Release(pStubBuffer->pvServerObject);
NdrOleFree(pStubBuffer);
}
}
else
{
hr = E_OUTOFMEMORY;
}
}
if(FAILED(hr))
{
ReleaseTemplateForwardVtbl(pForwardingVtbl);
ReleaseStubVtbl(pVtbl);
}
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: GetStubVtblFromTypeInfo
//
// Synopsis: Get a pointer to the stub vtbl. The stub vtbl should be
// released via ReleaseStubVtbl.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT GetStubVtblFromTypeInfo(
IN ITypeInfo * pTypeInfo,
IN REFIID riid,
OUT BOOL * pfIsDual,
OUT IRpcStubBufferVtbl ** ppVtbl)
{
HRESULT hr = E_FAIL;
TypeInfoVtbl *pInfo;
//Get the vtbl.
hr = GetVtbl(pTypeInfo, riid, &pInfo);
if(SUCCEEDED(hr))
{
*pfIsDual = pInfo->fIsDual;
*ppVtbl = &pInfo->stubVtbl.Vtbl;
}
return hr;
}
HRESULT CheckTypeInfo(
IN ITypeInfo *pTypeInfo,
OUT ITypeInfo **pptinfoProxy,
OUT USHORT *pcMethods,
OUT BOOL *pfIsDual)
{
HRESULT hr;
TYPEATTR * pTypeAttr;
HREFTYPE hRefType;
UINT cbSizeVft = 0;
ITypeInfo *ptinfoProxy = NULL;
USHORT cMethods;
*pfIsDual = FALSE;
hr = pTypeInfo->lpVtbl->GetTypeAttr(pTypeInfo, &pTypeAttr);
if(SUCCEEDED(hr))
{
if(pTypeAttr->wTypeFlags & TYPEFLAG_FDUAL)
{
*pfIsDual = TRUE;
if(TKIND_DISPATCH == pTypeAttr->typekind)
{
//Get the TKIND_INTERFACE type info.
hr = pTypeInfo->lpVtbl->GetRefTypeOfImplType(pTypeInfo, (UINT) -1, &hRefType);
if(SUCCEEDED(hr))
{
hr = pTypeInfo->lpVtbl->GetRefTypeInfo(pTypeInfo, hRefType, &ptinfoProxy);
if(SUCCEEDED(hr))
{
TYPEATTR * ptattrProxy;
hr = ptinfoProxy->lpVtbl->GetTypeAttr(ptinfoProxy, &ptattrProxy);
if(SUCCEEDED(hr))
{
cbSizeVft = ptattrProxy->cbSizeVft;
ptinfoProxy->lpVtbl->ReleaseTypeAttr(ptinfoProxy, ptattrProxy);
}
}
}
}
else if (TKIND_INTERFACE == pTypeAttr->typekind)
{
pTypeInfo->lpVtbl->AddRef(pTypeInfo);
ptinfoProxy = pTypeInfo;
cbSizeVft = pTypeAttr->cbSizeVft;
}
else
{
hr = E_FAIL;
}
}
else if((pTypeAttr->wTypeFlags & TYPEFLAG_FOLEAUTOMATION) &&
(TKIND_INTERFACE == pTypeAttr->typekind))
{
pTypeInfo->lpVtbl->AddRef(pTypeInfo);
ptinfoProxy = pTypeInfo;
cbSizeVft = pTypeAttr->cbSizeVft;
}
else
{
hr = E_FAIL;
}
pTypeInfo->lpVtbl->ReleaseTypeAttr(pTypeInfo, pTypeAttr);
}
cMethods = (USHORT) ( (cbSizeVft - VTABLE_BASE) / sizeof(void *) );
if(SUCCEEDED(hr))
{
*pptinfoProxy = ptinfoProxy;
//Calculate the number of methods in the vtable.
*pcMethods = cMethods;
}
else
{
*pptinfoProxy = NULL;
if(ptinfoProxy != NULL)
{
ptinfoProxy->lpVtbl->Release(ptinfoProxy);
}
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: GetVtbl
//
// Synopsis: Get a pointer to the vtbl structure.
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT GetVtbl(
IN ITypeInfo * pTypeInfo,
IN REFIID riid,
OUT TypeInfoVtbl ** ppVtbl)
{
HRESULT hr;
RPC_STATUS rc;
USHORT numMethods;
MethodInfo * aMethodInfo;
BOOL fIsDual = FALSE;
ITypeInfo * ptinfoProxy = NULL;
*ppVtbl = NULL;
rc = NdrpPerformRpcInitialization();
if (RPC_S_OK != rc)
return HRESULT_FROM_WIN32(rc);
// the other two mutexes will be initialized in NdrpInitializeStublessVtbl
if ( TypeInfoMutex == NULL )
{
hr = NdrpInitializeMutex( &TypeInfoMutex );
if ( FAILED( hr ) )
return hr;
}
//Check the cache.
I_RpcRequestMutex(&TypeInfoMutex);
hr = CacheLookup(riid, ppVtbl);
I_RpcClearMutex(TypeInfoMutex);
if(FAILED(hr))
{
//We didn't find the interface in the cache.
//Create a vtbl from the ITypeInfo.
hr = CheckTypeInfo(pTypeInfo, &ptinfoProxy, &numMethods, &fIsDual);
if(SUCCEEDED(hr))
{
//allocate space for per-method data.
aMethodInfo = (MethodInfo *) alloca(numMethods * sizeof(MethodInfo));
if(aMethodInfo != NULL)
{
memset(aMethodInfo, 0, numMethods * sizeof(MethodInfo));
//Get the per-method data.
hr = GetFuncDescs(ptinfoProxy, aMethodInfo);
if(SUCCEEDED(hr))
{
hr = CreateVtblFromTypeInfo(riid, fIsDual, numMethods, aMethodInfo, ppVtbl);
if(SUCCEEDED(hr))
{
hr = CacheRegister(riid,ppVtbl);
}
}
ReleaseFuncDescs(numMethods, aMethodInfo);
}
else
{
hr = E_OUTOFMEMORY;
}
ptinfoProxy->lpVtbl->Release(ptinfoProxy);
}
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: CreateVtblFromTypeInfo
//
// Synopsis: Create a vtbl structure from the type information.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT CreateVtblFromTypeInfo(
IN REFIID riid,
IN BOOL fIsDual,
IN USHORT numMethods,
IN MethodInfo * pMethodInfo,
OUT TypeInfoVtbl ** ppVtbl)
{
HRESULT hr = S_OK;
USHORT iMethod;
ULONG cbVtbl;
ULONG cbOffsetTable;
USHORT cbProcFormatString = 0;
ULONG cbSize;
TypeInfoVtbl *pInfo = NULL;
byte *pTemp;
PFORMAT_STRING pTypeFormatString = NULL;
PFORMAT_STRING pProcFormatString;
unsigned short *pFormatStringOffsetTable;
CTypeGen typeGen;
CProcGen procGen;
USHORT cbFormat;
USHORT offset = 0;
ULONG cbDelegationTable;
void **pDispatchTable = NULL;
void **pStublessClientVtbl = NULL;
void **pForwardingVtbl = NULL;
*ppVtbl = NULL;
#ifdef DEBUGRPC
InterlockedIncrement(&g_lCount);
#endif
//Compute the size of the vtbl structure;
cbVtbl = numMethods * sizeof(void *);
if(fIsDual)
cbDelegationTable = cbVtbl;
else
cbDelegationTable = 0;
cbOffsetTable = numMethods * sizeof(USHORT);
//Compute the size of the proc format string.
for(iMethod = 3;
iMethod < numMethods;
iMethod++)
{
if(pMethodInfo[iMethod].pFuncDesc != NULL)
{
#if !defined(__RPC_WIN64__)
cbProcFormatString += 22;
#else
// proc format string in 64bit is longer
cbProcFormatString += 22 + sizeof(NDR_PROC_HEADER_EXTS64);
#endif
cbProcFormatString += pMethodInfo[iMethod].pFuncDesc->cParams * 6;
}
}
cbSize = sizeof(TypeInfoVtbl) + cbVtbl + cbDelegationTable + cbOffsetTable + cbProcFormatString;
//Allocate the structure
pInfo = (TypeInfoVtbl *) I_RpcAllocate(cbSize);
if(pInfo != NULL)
{
memset(pInfo, 0, cbSize);
pTemp = (byte *) pInfo->proxyVtbl.Vtbl + cbVtbl;
if(cbDelegationTable != 0)
{
pDispatchTable = (void **) pTemp;
pInfo->stubVtbl.header.pDispatchTable = (const PRPC_STUB_FUNCTION *) pDispatchTable;
pTemp += cbDelegationTable;
}
pFormatStringOffsetTable = (unsigned short *) pTemp;
pTemp += cbOffsetTable;
pProcFormatString = (PFORMAT_STRING) pTemp;
pInfo->proxyVtbl.Vtbl[0] = IUnknown_QueryInterface_Proxy;
pInfo->proxyVtbl.Vtbl[1] = IUnknown_AddRef_Proxy;
pInfo->proxyVtbl.Vtbl[2] = IUnknown_Release_Proxy;
hr = NdrpInitializeStublessVtbl((ULONG)numMethods);
if (FAILED(hr))
{
if (pInfo)
I_RpcFree(pInfo);
return hr;
}
//Get the format strings.
//Generate -Oi2 proc format string from the ITypeInfo.
GetTemplateVtbl(&pStublessClientVtbl);
GetTemplateForwardVtbl(&pForwardingVtbl);
for(iMethod = 3;
SUCCEEDED(hr) && iMethod < numMethods;
iMethod++)
{
if(pMethodInfo[iMethod].pFuncDesc != NULL)
{
pFormatStringOffsetTable[iMethod] = offset;
hr = procGen.GetProcFormat(&typeGen,
pMethodInfo[iMethod].pTypeInfo,
pMethodInfo[iMethod].pFuncDesc,
iMethod,
(PFORMAT_STRING)pTemp,
&cbFormat);
if (FAILED(hr))
{
ReleaseTemplateVtbl(pStublessClientVtbl);
ReleaseTemplateForwardVtbl(pForwardingVtbl);
if (pInfo)
I_RpcFree(pInfo);
return hr;
}
pTemp += cbFormat;
offset += cbFormat;
//Stubless client function.
pInfo->proxyVtbl.Vtbl[iMethod] = pStublessClientVtbl[iMethod];
if(pDispatchTable != NULL)
{
//Interpreted server function.
pDispatchTable[iMethod] = NdrStubCall2;
}
}
else
{
pFormatStringOffsetTable[iMethod] = (USHORT) -1;
//Proxy delegation forwarding function.
pInfo->proxyVtbl.Vtbl[iMethod] = pForwardingVtbl[iMethod];
if(pDispatchTable != NULL)
{
//Stub delegation forwarding function.
pDispatchTable[iMethod] = NdrStubForwardingFunction;
}
}
}
ReleaseTemplateForwardVtbl(pForwardingVtbl);
ReleaseTemplateVtbl(pStublessClientVtbl);
if(SUCCEEDED(hr))
{
USHORT length;
hr = typeGen.GetTypeFormatString(&pTypeFormatString, &length);
}
if(SUCCEEDED(hr))
{
//Initialize the vtbl.
pInfo->cRefs = 1;
//Initialize the iid.
pInfo->iid = riid;
pInfo->fIsDual = fIsDual;
//Initialize the MIDL_STUB_DESC.
pInfo->stubDesc.pfnAllocate = NdrOleAllocate;
pInfo->stubDesc.pfnFree = NdrOleFree;
//pInfo->stubDesc.apfnExprEval = ExprEvalRoutines;
pInfo->stubDesc.pFormatTypes = pTypeFormatString;
#if !defined(__RPC_WIN64__)
pInfo->stubDesc.Version = 0x20000; /* Ndr library version */
pInfo->stubDesc.MIDLVersion = MIDL_VERSION_3_0_44;
#else
pInfo->stubDesc.Version = 0x50002; /* Ndr library version */
pInfo->stubDesc.MIDLVersion = MIDL_VERSION_5_2_202;
#endif
pInfo->stubDesc.aUserMarshalQuadruple = UserMarshalRoutines;
//Initialize the MIDL_SERVER_INFO.
pInfo->stubInfo.pStubDesc = &pInfo->stubDesc;
pInfo->stubInfo.ProcString = pProcFormatString;
pInfo->stubInfo.FmtStringOffset = pFormatStringOffsetTable;
//Initialize the stub vtbl.
pInfo->stubVtbl.header.piid = &pInfo->iid;
pInfo->stubVtbl.header.pServerInfo = &pInfo->stubInfo;
pInfo->stubVtbl.header.DispatchTableCount = numMethods;
//Initialize stub methods.
memcpy(&pInfo->stubVtbl.Vtbl, &CStdStubBuffer2Vtbl, sizeof(CStdStubBuffer2Vtbl));
pInfo->stubVtbl.Vtbl.Release = CStdStubBuffer3_Release;
//Initialize the proxy info.
pInfo->proxyInfo.pStubDesc = &pInfo->stubDesc;
pInfo->proxyInfo.ProcFormatString = pProcFormatString;
pInfo->proxyInfo.FormatStringOffset = pFormatStringOffsetTable;
//Initialize the proxy vtbl.
pInfo->proxyVtbl.header.pStublessProxyInfo = &pInfo->proxyInfo;
pInfo->proxyVtbl.header.piid = &pInfo->iid;
*ppVtbl = pInfo;
}
else
{
//Free the memory.
I_RpcFree(pInfo);
}
}
else
{
hr = E_OUTOFMEMORY;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: GetFuncDescs
//
// Synopsis: Get the funcdesc for each method.
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT GetFuncDescs(
IN ITypeInfo *pTypeInfo,
OUT MethodInfo *pMethodInfo)
{
HRESULT hr;
TYPEATTR *pTypeAttr;
HREFTYPE hRefType;
ITypeInfo *pRefTypeInfo;
hr = pTypeInfo->lpVtbl->GetTypeAttr(pTypeInfo, &pTypeAttr);
if(SUCCEEDED(hr))
{
if(IsEqualIID(IID_IUnknown, pTypeAttr->guid))
{
hr = S_OK;
}
else if(IsEqualIID(IID_IDispatch, pTypeAttr->guid))
{
hr = S_OK;
}
else
{
//This is an oleautomation interface.
ULONG i, iMethod;
FUNCDESC *pFuncDesc;
if(pTypeAttr->cImplTypes)
{
//Recursively get the inherited member functions.
hr = pTypeInfo->lpVtbl->GetRefTypeOfImplType(pTypeInfo, 0, &hRefType);
if(SUCCEEDED(hr))
{
hr = pTypeInfo->lpVtbl->GetRefTypeInfo(pTypeInfo, hRefType, &pRefTypeInfo);
if(SUCCEEDED(hr))
{
hr = GetFuncDescs(pRefTypeInfo, pMethodInfo);
pRefTypeInfo->lpVtbl->Release(pRefTypeInfo);
}
}
}
//Get the member functions.
for(i = 0; SUCCEEDED(hr) && i < pTypeAttr->cFuncs; i++)
{
hr = pTypeInfo->lpVtbl->GetFuncDesc(pTypeInfo, i, &pFuncDesc);
if(SUCCEEDED(hr))
{
iMethod = (pFuncDesc->oVft - VTABLE_BASE) / sizeof(void *);
pMethodInfo[iMethod].pFuncDesc = pFuncDesc;
pTypeInfo->lpVtbl->AddRef(pTypeInfo);
pMethodInfo[iMethod].pTypeInfo = pTypeInfo;
}
}
}
pTypeInfo->lpVtbl->ReleaseTypeAttr(pTypeInfo, pTypeAttr);
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: ReleaseFuncDescs
//
// Synopsis: Release the funcdescs.
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT ReleaseFuncDescs(USHORT numMethods, MethodInfo *pMethodInfo)
{
USHORT iMethod;
//Release the funcdescs.
if(pMethodInfo != NULL)
{
for(iMethod = 0;
iMethod < numMethods;
iMethod++)
{
if(pMethodInfo[iMethod].pFuncDesc != NULL)
{
//Release the funcdesc.
pMethodInfo[iMethod].pTypeInfo->lpVtbl->ReleaseFuncDesc(
pMethodInfo[iMethod].pTypeInfo,
pMethodInfo[iMethod].pFuncDesc);
pMethodInfo[iMethod].pFuncDesc = NULL;
//release the type info
pMethodInfo[iMethod].pTypeInfo->lpVtbl->Release(
pMethodInfo[iMethod].pTypeInfo);
pMethodInfo[iMethod].pTypeInfo = NULL;
}
}
}
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Function: ReleaseProxyVtbl
//
// Synopsis: Releases the proxy vtbl.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT ReleaseProxyVtbl(void * pVtbl)
{
HRESULT hr = S_OK;
byte *pTemp;
TypeInfoVtbl *pInfo;
pTemp = (byte *)pVtbl - offsetof(TypeInfoVtbl, proxyVtbl.Vtbl);
pInfo = (TypeInfoVtbl *) pTemp;
hr = ReleaseVtbl(pInfo);
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: ReleaseStubVtbl
//
// Synopsis: Releases the stub vtbl.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT ReleaseStubVtbl(void * pVtbl)
{
HRESULT hr = S_OK;
byte *pTemp;
TypeInfoVtbl *pInfo;
pTemp = (byte *)pVtbl - offsetof(TypeInfoVtbl, stubVtbl.Vtbl);
pInfo = (TypeInfoVtbl *) pTemp;
hr = ReleaseVtbl(pInfo);
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: ReleaseTypeFormatString
//
// Synopsis: Frees the type format string.
//
//----------------------------------------------------------------------------
HRESULT ReleaseTypeFormatString(
PFORMAT_STRING pTypeFormat)
{
if((pTypeFormat != 0) &&
(pTypeFormat != __MIDL_TypeFormatString.Format))
{
I_RpcFree((void *)pTypeFormat);
}
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Function: CStdProxyBuffer3_Release
//
// Synopsis: Decrement the proxy's reference count
//
// Returns: Reference count.
//
//----------------------------------------------------------------------------
ULONG STDMETHODCALLTYPE
CStdProxyBuffer3_Release(
IN IRpcProxyBuffer * This)
{
ULONG count;
IRpcProxyBuffer * pBaseProxyBuffer;
count = (ULONG) ((CStdProxyBuffer2 *)This)->RefCount - 1;
if(InterlockedDecrement(&((CStdProxyBuffer2 *)This)->RefCount) == 0)
{
count = 0;
ReleaseProxyVtbl((void *) ((CStdProxyBuffer2 *)This)->pProxyVtbl);
//Delegation support.
pBaseProxyBuffer = ((CStdProxyBuffer2 *)This)->pBaseProxyBuffer;
if( pBaseProxyBuffer != 0)
{
pBaseProxyBuffer->lpVtbl->Release(pBaseProxyBuffer);
}
//Free the memory
delete (CStdProxyBuffer2 *)This;
}
return count;
};
//+---------------------------------------------------------------------------
//
// Function: CStdStubBuffer3_Release
//
// Synopsis: Decrement the proxy's reference count
//
// Returns: Reference count.
//
//----------------------------------------------------------------------------
ULONG STDMETHODCALLTYPE
CStdStubBuffer3_Release(
IN IRpcStubBuffer * This)
{
ULONG count;
unsigned char *pTemp;
CStdStubBuffer2 * pStubBuffer;
IRpcStubBuffer *pBaseStubBuffer;
pTemp = (unsigned char *)This;
pTemp -= offsetof(CStdStubBuffer2, lpVtbl);
pStubBuffer = (CStdStubBuffer2 *) pTemp;
count = (ULONG) pStubBuffer->RefCount - 1;
if(InterlockedDecrement(&pStubBuffer->RefCount) == 0)
{
count = 0;
ReleaseStubVtbl((void *) This->lpVtbl);
pBaseStubBuffer = pStubBuffer->pBaseStubBuffer;
if(pBaseStubBuffer != 0)
pBaseStubBuffer->lpVtbl->Release(pBaseStubBuffer);
//Free the stub buffer
if (pStubBuffer->lpForwardingVtbl)
ReleaseTemplateForwardVtbl((void **)pStubBuffer->lpForwardingVtbl);
delete pStubBuffer;
}
return count;
}
//+---------------------------------------------------------------------------
//
// Function: GrowCacheIfNecessary
//
// Synopsis: increase the size of cache array if it's too small.
//
// Arguments:
//
// Returns:
//
//----------------------------------------------------------------------------
HRESULT GrowCacheIfNecessary()
{
TypeInfoCache *pTemp = NULL;
DWORD *pIndex = NULL;
if (NULL == g_pCache)
{
g_pCache = (TypeInfoCache *)I_RpcAllocate(CACHE_BLOCK * sizeof(TypeInfoCache));
if (g_pCache )
{
memset(g_pCache,0,CACHE_BLOCK * sizeof(TypeInfoCache));
g_lCacheSize = CACHE_BLOCK;
return S_OK;
}
else
return E_OUTOFMEMORY;
}
if (g_lCacheSize <= g_lTotalCacheRef)
{
pTemp = (TypeInfoCache *)I_RpcAllocate((g_lCacheSize + CACHE_BLOCK)* sizeof(TypeInfoCache));
if (NULL == pTemp)
return E_OUTOFMEMORY;
memset(pTemp,0,(g_lCacheSize + CACHE_BLOCK)* sizeof(TypeInfoCache));
memcpy(pTemp,g_pCache,g_lCacheSize*sizeof(TypeInfoCache));
I_RpcFree(g_pCache);
g_pCache = pTemp;
g_lCacheSize += CACHE_BLOCK;
}
return S_OK;
}
void swapCache(ULONG src, ULONG dest)
{
if (src == dest)
return;
TypeInfoCache temp;
memcpy(&temp,&g_pCache[src],sizeof(TypeInfoCache));
memcpy(&g_pCache[src],&g_pCache[dest],sizeof(TypeInfoCache));
memcpy(&g_pCache[dest],&temp,sizeof(TypeInfoCache));
}
//+---------------------------------------------------------------------------
//
// Function: CacheRegister
//
// Synopsis: add a new instance of interface into the cache list. before
// inserting the newly generated vtbl, make sure no other thread
// has generated it first. If existing, discard the one this
// thread generated and use the one already in the list. Otherwise
// put it at the end of the array and adjust cache length.
//
// Arguments: riid,
// pVtbl
//
// Returns:
//
//----------------------------------------------------------------------------
HRESULT CacheRegister(
IID riid,
TypeInfoVtbl ** ppVtbl)
{
HRESULT hr = E_FAIL;
TypeInfoVtbl *pVtbl = *ppVtbl;
// this exact same item has been registered by others while we
// are busying building our own: use the existing one instead.
I_RpcRequestMutex(&TypeInfoMutex);
if (CacheLookup(riid,ppVtbl) == S_OK)
{
if(pVtbl->stubDesc.pFormatTypes != __MIDL_TypeFormatString.Format)
{
I_RpcFree((void *) pVtbl->stubDesc.pFormatTypes);
}
I_RpcFree(pVtbl);
I_RpcClearMutex(TypeInfoMutex);
return S_OK;
}
hr = GrowCacheIfNecessary();
if (SUCCEEDED(hr))
{
g_pCache[g_lTotalCacheRef].iid = (*ppVtbl)->iid;
g_pCache[g_lTotalCacheRef].dwTickCount = 0;
g_pCache[g_lTotalCacheRef].pVtbl = *ppVtbl;
swapCache(g_lTotalCacheRef,g_lActiveCacheRef);
g_lTotalCacheRef++;
g_lActiveCacheRef++;
}
I_RpcClearMutex(TypeInfoMutex);
return hr;
}
void swap(ULONG *dwDelta,
ULONG *dwIndex,
ULONG src,
ULONG dest)
{
if (src == dest)
return;
ULONG temp;
temp = dwDelta[src];
dwDelta[src] = dwDelta[dest];
dwDelta[dest] = temp;
temp = dwIndex[src];
dwIndex[src] = dwIndex[dest];
dwIndex[dest] = temp;
}
//+---------------------------------------------------------------------------
//
// Function: FindEntrysToShrink
//
// Synopsis: find the largest ulPivot number of entrys in the array.
// a modification of algorithm due to C.A.R. Hoare in Programming
// Pearls in Novermber 1985 Communications of ACM.
//
// Arguments:
//
// Returns:
//
//----------------------------------------------------------------------------
void FindEntrysToShrink(ULONG *dwDelta,
ULONG *dwIndex,
ULONG ulPivot)
{
ULONG ulLow = 0 , ulUp , ulSeq;
ULONG ulMid ,ulIndex;
ulUp = g_lTotalCacheRef - g_lActiveCacheRef -1 ;
while (ulLow < ulUp)
{
ulSeq = ulLow;
// pick a random number and assume it's the kth largest.
ulIndex = ulLow + ((GetTickCount() & 0xff)*(ulUp-ulLow)/0xff);
ulMid = dwDelta[ulIndex];
swap(dwDelta,dwIndex,ulIndex,ulLow);
for (ULONG i = ulLow + 1; i <= ulUp; i++)
{
if (dwDelta[i] >= ulMid)
swap(dwDelta,dwIndex,++ulSeq,i);
}
// ulSeq is the ulSeq'th largest.
swap(dwDelta,dwIndex,ulSeq,ulLow);
if (ulSeq == ulPivot)
break; // done
if (ulSeq < ulPivot)
ulLow = ulSeq + 1 ;
else
ulUp = ulSeq - 1;
}
}
//+---------------------------------------------------------------------------
//
// Function: ShrinkReleasedCacheIfNecessary
//
// Synopsis: adjust the released cache size if necessary.
// the algorithm:
// find the eldest DELTA_MARK released interfaces. to avoid thrashing,
// increase the released cache size if eldest one is released within
// 30 sec. fill the empty spots with active entries.
//
// Arguments:
//
// Returns: S_OK. leave the HRESULT return for possible future change.
//
//----------------------------------------------------------------------------
HRESULT ShrinkReleasedCacheIfNecessary(TypeInfoVtbl*** pppVtbl, DWORD *dwLength)
{
static ULONG dwHigh = INIT_HIGH_MARK;
HRESULT hr = E_FAIL;
ULONG dwShrink ;
ULONG *dwDelta = NULL;
ULONG *dwIndex = NULL;
TypeInfoVtbl **ppvtbl = NULL;
ULONG dwTime = GetTickCount(), dwMax = 0;
ULONG i,j, dwMin=0xffffffff;
ULONG dwReleasedCache = g_lTotalCacheRef - g_lActiveCacheRef;
// doesn't need to shrink
if (dwReleasedCache <= dwHigh)
return S_FALSE;
dwShrink = (ULONG)(dwHigh / DELTA_MARK); // number to shrink
dwDelta = (ULONG *)I_RpcAllocate(dwReleasedCache * sizeof(ULONG));
dwIndex = (ULONG *)I_RpcAllocate(dwReleasedCache * sizeof(ULONG));
ppvtbl = (TypeInfoVtbl **)I_RpcAllocate(dwShrink * sizeof(TypeInfoVtbl *));
if ( ( NULL == ppvtbl ) || ( NULL == dwDelta ) || ( NULL == dwIndex ) )
{
if ( NULL != dwDelta ) I_RpcFree( dwDelta );
if ( NULL != dwIndex ) I_RpcFree( dwIndex );
if ( NULL != ppvtbl ) I_RpcFree( ppvtbl );
return E_OUTOFMEMORY;
}
for ( i = 0; i < dwReleasedCache; i++)
{
dwDelta[i] = dwTime - g_pCache[g_lActiveCacheRef+i].dwTickCount;
dwIndex[i] = g_lActiveCacheRef+i;
// basic book keeping to find the eldest and latest release.
if (dwDelta[i] > dwMax)
dwMax = dwDelta[i];
if (dwDelta[i] < dwMin)
dwMin = dwDelta[i];
}
// don't reclaim those released entries if it's thrashing.
if (dwMax <= THRASHING_TIME)
{
dwHigh += (ULONG)(dwHigh / DELTA_MARK);
return S_FALSE;
}
FindEntrysToShrink(dwDelta,dwIndex,dwShrink);
// cleanup the entries to be removed.
for (i = 0; i < dwShrink; i++)
{
ppvtbl[i] = g_pCache[dwIndex[i]].pVtbl;
ASSERT(ppvtbl[i]->cRefs == 0);
g_pCache[dwIndex[i]].pVtbl = 0;
}
// fill in the empty spots.
j = g_lTotalCacheRef -1;
for (i = 0; i < dwShrink; i++)
{
while (j > 0 && (g_pCache[j].pVtbl == 0)) j--;
if (j > dwIndex[i])
{
memcpy(&g_pCache[dwIndex[i]],&g_pCache[j],sizeof(TypeInfoCache));
memset(&g_pCache[j],0,sizeof(TypeInfoCache));
j--;
}
else
memset(&g_pCache[dwIndex[i]],0,sizeof(TypeInfoCache));
}
g_lTotalCacheRef -= dwShrink;
#ifdef DEBUGRPC
for (i = 0; (LONG)i < g_lTotalCacheRef; i++)
ASSERT(g_pCache[i].pVtbl != 0);
#endif
if (dwMin > IDLE_TIME)
{
dwHigh -= (ULONG)(dwHigh / DELTA_MARK);
if (dwHigh < INIT_HIGH_MARK)
dwHigh = INIT_HIGH_MARK;
}
// don't free those vtbls: do it out of CS
*pppVtbl = ppvtbl;
*dwLength = dwShrink;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Function: ReleaseVtbl
//
// Synopsis: Releases the vtbl.
//
// Arguments:
//
// Returns:
// S_OK
//
//----------------------------------------------------------------------------
HRESULT ReleaseVtbl(TypeInfoVtbl *pInfo)
{
TypeInfoVtbl **ppvtbl = NULL;
DWORD dwLength = 0;
LONG i;
HRESULT hr = E_FAIL;
I_RpcRequestMutex(&TypeInfoMutex);
if (0 == --pInfo->cRefs)
{
for (i = 0 ; i < g_lTotalCacheRef; i++)
{
if (IsEqualIID(pInfo->iid,g_pCache[i].iid))
{
g_pCache[i].dwTickCount = GetTickCount();
g_lActiveCacheRef--;
swapCache(i,g_lActiveCacheRef);
hr = ShrinkReleasedCacheIfNecessary(&ppvtbl,&dwLength);
break;
}
}
}
else
{
I_RpcClearMutex(TypeInfoMutex);
return S_OK;
}
I_RpcClearMutex(TypeInfoMutex);
// free the vtbl outof mutex.
if (S_OK == hr)
{
for (i = 0; i < (LONG)dwLength; i++)
{
if((ppvtbl[i])->stubDesc.pFormatTypes != __MIDL_TypeFormatString.Format)
{
I_RpcFree((void *) (ppvtbl[i])->stubDesc.pFormatTypes);
}
I_RpcFree((void *) ppvtbl[i]);
}
I_RpcFree(ppvtbl);
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: CacheLookup
//
// Synopsis: look up a TypeInfoVtbl from cache array using IID.
// adjust the cache state if the entry is released.
//
// Arguments: riid
// ppInfo
//
// Returns: S_OK if an entry is found in cache. E_NOINTERFACE is not.
//
//----------------------------------------------------------------------------
HRESULT CacheLookup(
REFIID riid,
TypeInfoVtbl **ppInfo)
{
HRESULT hr = E_NOINTERFACE;
LONG i;
if (NULL == g_pCache)
goto Exit;
for ( i = 0; i < g_lTotalCacheRef; i++)
{
if (IsEqualIID(riid,g_pCache[i].iid))
{
*ppInfo = g_pCache[i].pVtbl;
if (0 == (*ppInfo)->cRefs++)
{
g_pCache[i].dwTickCount = 0;
swapCache(i,g_lActiveCacheRef++);
}
hr = S_OK;
goto Exit;
}
}
Exit:
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: NdrpGetTypeGenCookie
//
// Synopsis: Allocate a cookie that can be used in subsequent calls to
// NdrpGetProcFormatString, NdrpGetTypeFormatString, and
// NdrpReleaseTypeGenCookie.
//
// Parameters:
//
// Returns: ppvTypeGenCookie: A type gen cookie
//
//----------------------------------------------------------------------------
EXTERN_C
HRESULT NdrpGetTypeGenCookie(void **ppvTypeGenCookie)
{
HRESULT hr = S_OK;
CTypeGen *pTypeGen;
if (ppvTypeGenCookie == NULL)
return E_POINTER;
// Ensure that everything is initialized.
RPC_STATUS sc = NdrpPerformRpcInitialization();
if (sc != RPC_S_OK)
return HRESULT_FROM_WIN32(sc);
pTypeGen = new CTypeGen;
if (pTypeGen)
*ppvTypeGenCookie = pTypeGen;
else
hr = E_OUTOFMEMORY;
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: NdrpReleaseTypeGenCookie
//
// Synopsis: Free memory associeated with type gen cookie allocated with
// NdrpGetTypeGenCookie
//
// Parameters: pvTypeGenCookie: cookie returned from NdrpGetTypeGenCookie
//
// Returns:
//
//----------------------------------------------------------------------------
EXTERN_C
HRESULT NdrpReleaseTypeGenCookie(void *pvTypeGenCookie)
{
CTypeGen *pTypeGen = (CTypeGen *)pvTypeGenCookie;
delete pTypeGen;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Function: NdrpGetProcFormatString
//
// Synopsis: Generate proc format string and type format string for specified
// function.
//
// Parameters: pTypeGenCookie: Type format generator object
// pTypeInfo: ITypeInfo interface.
// pFuncDesc: Function descriptor.
// iMethod: # of methods.
//
// Returns: pProcFormatString: Address for proc format string.
// pcbFormat: Size of format string.
//
//----------------------------------------------------------------------------
EXTERN_C
HRESULT NdrpGetProcFormatString(IN void *pvTypeGenCookie,
IN ITypeInfo *pTypeInfo,
IN FUNCDESC *pFuncDesc,
IN USHORT iMethod,
OUT PFORMAT_STRING pProcFormatString,
OUT USHORT *pcbFormat)
{
CProcGen proc;
CTypeGen *pTypeGen = (CTypeGen *)pvTypeGenCookie;
if (pTypeGen == NULL)
return E_INVALIDARG;
else
return proc.GetProcFormat(pTypeGen, pTypeInfo, pFuncDesc, iMethod,
pProcFormatString, pcbFormat);
}
//+---------------------------------------------------------------------------
//
// Function: NdrpGetTypeFormatString
//
// Synopsis: Get the MIDL_TYPE_FORMAT_STRING.
//
// Arguments: pvTypeGenCookie - cookie allocated with NdrpGetTypeGenCookie
// and used in subsequent NdrpGetProcFormatString
// calls.
//
// ppTypeFormatString - Returns a pointer to the type format
// string.
//
// pLength - Returns the length of the format string.
//
//----------------------------------------------------------------------------
EXTERN_C
HRESULT NdrpGetTypeFormatString(IN void *pvTypeGenCookie,
OUT PFORMAT_STRING * pTypeFormatString,
OUT USHORT * pLength)
{
CTypeGen *pTypeGen = (CTypeGen *)pvTypeGenCookie;
if (pTypeGen == NULL)
return E_INVALIDARG;
else
return pTypeGen->GetTypeFormatString(pTypeFormatString, pLength);
}
//+---------------------------------------------------------------------------
//
// Function: NdrpReleaseTypeFormatString
//
// Synopsis: Free the memory returned from NdrpGetTypeFormatString function.
//
// Parameters: pTypeFormatString: Address of format string returned from
// NdrpGetTypeFormatString.
//
//----------------------------------------------------------------------------
EXTERN_C
HRESULT NdrpReleaseTypeFormatString(PFORMAT_STRING pTypeFormatString)
{
if (pTypeFormatString)
{
if(pTypeFormatString != __MIDL_TypeFormatString.Format)
{
I_RpcFree((void *)pTypeFormatString);
}
}
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Function: GetProcFormat
//
// Synopsis: Generate proc format string and type format string for specified
// function.
//
// Parameters: pTeypGen: Type format generator object
// pTypeInfo: ITypeInfo interface.
// pFuncDesc: Function descriptor.
// iMethod: # of methods.
//
// Returns: pProcFormatString: Address for proc format string.
//
//----------------------------------------------------------------------------
HRESULT CProcGen::GetProcFormat(
IN CTypeGen * pTypeGen,
IN ITypeInfo * pTypeInfo,
IN FUNCDESC * pFuncDesc,
IN USHORT iMethod,
OUT PFORMAT_STRING pProcFormatString,
OUT USHORT * pcbFormat)
{
HRESULT hr = S_OK;
USHORT iParam;
INTERPRETER_FLAGS OiFlags ;
INTERPRETER_OPT_FLAGS Oi2Flags ;
INTERPRETER_OPT_FLAGS2 Oi2Flags2;
PARAMINFO *aParamInfo;
BOOLEAN fChangeSize,fNeedChange = FALSE;
USHORT offset;
aParamInfo = new PARAMINFO[pFuncDesc->cParams];
if(0 == aParamInfo)
{
return E_OUTOFMEMORY;
}
for(iParam = 0;
iParam < pFuncDesc->cParams;
iParam++)
{
hr = VarVtOfTypeDesc(pTypeInfo,
&pFuncDesc->lprgelemdescParam[iParam].tdesc,
&aParamInfo[iParam]);
if(SUCCEEDED(hr))
{
// PARAMFlags should give us enough information.
DWORD wIDLFlags = pFuncDesc->lprgelemdescParam[iParam].idldesc.wIDLFlags;
if(wIDLFlags & IDLFLAG_FRETVAL)
{
wIDLFlags |= IDLFLAG_FOUT;
}
if(!(wIDLFlags & (IDLFLAG_FIN | IDLFLAG_FOUT)))
{
//Set the direction flags.
if(aParamInfo[iParam].vt & (VT_BYREF | VT_ARRAY))
{
wIDLFlags |= IDLFLAG_FIN | IDLFLAG_FOUT;
}
else
{
wIDLFlags |= IDLFLAG_FIN;
}
}
aParamInfo[iParam].wIDLFlags = wIDLFlags;
}
else
{
goto Error;
}
}
_pTypeGen = pTypeGen;
_offset = 0;
_pProcFormatString = pProcFormatString;
_fClientMustSize = FALSE;
_fServerMustSize = FALSE;
_fClientCorrCheck = FALSE;
_fServerCorrCheck = FALSE;
_clientBufferSize = 0;
_serverBufferSize = 0;
_usFloatArgMask = 0;
_usFloatSlots = 0;
// The "this" pointer uses 8 bytes of stack on Alpha and 64bit platforms
// and 4 bytes of stack on other platforms.
_stackSize = sizeof(REGISTER_TYPE);
//Compute the size of the parameters. leave out structures. We can only determine
// the size later.
// Also, we calculate the Oi2 extension flags / FloatMask for 64bit
for(iParam = 0;
SUCCEEDED(hr) && iParam < pFuncDesc->cParams;
iParam++)
{
hr = CalcSize(aParamInfo[iParam].vt,
aParamInfo[iParam].wIDLFlags,
iParam);
}
if(SUCCEEDED(hr))
{
//Compute the size of the HRESULT return value.
_stackSize += sizeof(REGISTER_TYPE);
LENGTH_ALIGN(_serverBufferSize, 3);
_serverBufferSize += 8; // HRESULT is simple type, overestimate it also
//Handle type
PushByte(FC_AUTO_HANDLE);
//Oi interpreter flags
OiFlags.FullPtrUsed = FALSE;
OiFlags.RpcSsAllocUsed = FALSE;
OiFlags.ObjectProc = TRUE;
OiFlags.HasRpcFlags = TRUE;
OiFlags.IgnoreObjectException = FALSE;
OiFlags.HasCommOrFault = TRUE;
OiFlags.UseNewInitRoutines = TRUE;
OiFlags.Unused = FALSE;
PushByte(*((byte *) &OiFlags));
PushLong(0); // RpcFlags
//Method number
PushShort(iMethod);
offset = _offset; // _stackSize,_clientBufferSize and _serverBufferSize could be
//Stack size
PushShort(_stackSize);
//Size of client RPC message buffer.
// place holder if there is a UDT parameter
if(_clientBufferSize <= 65535)
PushShort((USHORT) _clientBufferSize);
else
{
hr = E_FAIL;
goto Error;
}
//Size of server RPC message buffer.
if(_serverBufferSize <= 65535)
PushShort((USHORT) _serverBufferSize);
else
{
hr = E_FAIL;
goto Error;
}
//Oi2 interpreter flags
*(byte*)&Oi2Flags = 0;
Oi2Flags.ServerMustSize = _fServerMustSize;
Oi2Flags.ClientMustSize = _fClientMustSize;
Oi2Flags.HasReturn = TRUE;
Oi2Flags.HasPipes = FALSE;
Oi2Flags.Unused = 0;
#if defined(__RPC_WIN64__)
// robust is only availble in 64bit tlb
Oi2Flags.HasExtensions = TRUE;
#endif
PushByte(*((byte *) &Oi2Flags));
//Number of parameters + return value.
PushByte(pFuncDesc->cParams + 1);
#if defined(__RPC_WIN64__)
// robust is only availble in 64bit tlb
if ( Oi2Flags.HasExtensions )
{
*(byte*)&Oi2Flags2 = 0;
Oi2Flags2.HasNewCorrDesc = _fClientCorrCheck | _fServerCorrCheck ;
Oi2Flags2.ClientCorrCheck = _fClientCorrCheck;
Oi2Flags2.ServerCorrCheck = _fServerCorrCheck;
PushByte( sizeof(NDR_PROC_HEADER_EXTS64) ); // header extension size
PushByte( *( (byte *) &Oi2Flags2 ) ); // extension flags
PushShort(0); // client correlation count
PushShort(0); // server collrelation count
PushShort(0); // notify index
PushShort(0); // placeholder for WIN64 float mask
}
#endif
// only a place holder for now if there are struct parameters.
//Generate the parameter info.
//The "this" pointer uses 8 bytes of stack on Alpha
//and 4 bytes of stack on other platforms.
_stackSize = sizeof(REGISTER_TYPE);
for(iParam = 0;
SUCCEEDED(hr) && iParam < pFuncDesc->cParams;
iParam++)
{
hr = GenParamDescriptor(&aParamInfo[iParam],&fChangeSize);
if (fChangeSize) // there are structs as parameters.
// _stackSize etc. might need to be changed.
{
fNeedChange = TRUE;
}
}
if(SUCCEEDED(hr))
{
//Generate the HRESULT return value.
PushShort( 0x70); //IsOut, IsReturn, IsBaseType
PushShort(_stackSize);
PushByte(FC_LONG);
PushByte(0);
*pcbFormat = _offset;
}
if (fNeedChange)
{
//Compute the size of the HRESULT return value.
LENGTH_ALIGN(_serverBufferSize, 3);
_serverBufferSize += 4;
_stackSize += sizeof(REGISTER_TYPE);
SetShort(offset,_stackSize);
SetShort(offset + sizeof(SHORT),(USHORT)_clientBufferSize);
SetShort(offset + 2*sizeof(SHORT),(USHORT)_serverBufferSize);
if (_clientBufferSize > _UI16_MAX || _serverBufferSize > _UI16_MAX)
{
hr = E_FAIL;
goto Error;
}
}
#if defined(__RPC_WIN64__)
// Set the WIN64 floatarg mask
SetShort(24, _usFloatArgMask);
#endif
}
Error:
delete [] aParamInfo;
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: CProcGen::CalcSize
//
// Synopsis: calculate the stack size of current parameter in a method, also
// calculate Oi2 extension flags for 64bit
//
//
// Arguments:
// IN VARTYPE vt - vt type of current parameter
// IN DWORD wIDLFlags - IDL flags of this paramter
// IN ULONG nParam - parameter number
//
// Returns:
// S_OK
// DISP_E_BADVARTYPE
//
//----------------------------------------------------------------------------
HRESULT CProcGen::CalcSize(
IN VARTYPE vt,
IN DWORD wIDLFlags,
IN ULONG nParam)
{
HRESULT hr = S_OK;
switch(vt & (~VT_BYREF))
{
case VT_I1:
case VT_UI1:
_stackSize += sizeof(REGISTER_TYPE);
if(wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize += 1;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize += 1;
}
break;
case VT_I2:
case VT_UI2:
case VT_BOOL:
_stackSize += sizeof(REGISTER_TYPE);
if(wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize = (_clientBufferSize + 1) & ~1;
_clientBufferSize += 4;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize = (_serverBufferSize + 1) & ~1;
_serverBufferSize += 4;
}
break;
case VT_R4:
#if defined(_WIN64)
// setup float mask for WIN64
if ( !( vt & VT_BYREF ) && ( _stackSize/sizeof(REGISTER_TYPE) < ARGS_IN_REGISTERS ) )
_usFloatArgMask |= 1 << ( 2 * _stackSize/sizeof(REGISTER_TYPE) );
#endif
case VT_I4:
case VT_UI4:
case VT_INT:
case VT_UINT:
case VT_ERROR:
case VT_HRESULT:
_stackSize += sizeof(REGISTER_TYPE);
if(wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize = (_clientBufferSize + 3) & ~3;
_clientBufferSize += 8;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize = (_serverBufferSize + 3) & ~3;
_serverBufferSize += 8;
}
break;
case VT_R8:
case VT_DATE:
#if defined(_WIN64)
// setup float mask for WIN64
if ( !( vt & VT_BYREF ) && ( _stackSize/sizeof(REGISTER_TYPE) < ARGS_IN_REGISTERS ) )
_usFloatArgMask |= 1 << ( 2 * _stackSize/sizeof(REGISTER_TYPE) + 1 );
#endif
case VT_CY:
case VT_I8:
case VT_UI8:
if(vt & VT_BYREF)
{
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
_stackSize += 8;
}
if(wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize = (_clientBufferSize + 7) & ~7;
_clientBufferSize += 16;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize = (_serverBufferSize + 7) & ~7;
_serverBufferSize += 16;
}
break;
case VT_DECIMAL:
if(vt & VT_BYREF)
{
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
// On WIN64 no need to align when size is up to 8 bytes
#if defined(_AMD64_)
_stackSize += sizeof(REGISTER_TYPE);
#else
_stackSize += sizeof(DECIMAL);
#endif
}
// overestimate the alignment to avoid buffer underrun during marshalling
if(wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize = (_clientBufferSize + 7) & ~7;
_clientBufferSize += sizeof(DECIMAL) + 8;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize = (_serverBufferSize + 7) & ~7;
_serverBufferSize += sizeof(DECIMAL) + 8;
}
break;
case VT_VARIANT:
if(vt & VT_BYREF)
{
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
// in new spec, VARIANT is aligned to 8 again.
#if defined(_WIN64)
LENGTH_ALIGN(_stackSize, 7);
#endif
#if defined(_AMD64_)
_stackSize += sizeof(REGISTER_TYPE );
#else
_stackSize += sizeof(VARIANT);
#endif
}
if(wIDLFlags & IDLFLAG_FIN)
{
_fClientMustSize = TRUE;
_fServerCorrCheck= TRUE;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_fServerMustSize = TRUE;
_fClientCorrCheck= TRUE;
}
break;
case VT_INTERFACE:
case VT_UNKNOWN:
case VT_DISPATCH:
case VT_STREAM:
case VT_STORAGE:
// structure
case VT_USERDEFINED:
case VT_BSTR:
case VT_MULTIINDIRECTIONS:
case VT_CARRAY:
// set robust check for interfaces
if(wIDLFlags & IDLFLAG_FIN)
{
_fServerCorrCheck= TRUE;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_fClientCorrCheck= TRUE;
}
// fall through for sizing
case VT_LPSTR:
case VT_LPWSTR:
_stackSize += sizeof(REGISTER_TYPE);
if(wIDLFlags & IDLFLAG_FIN)
{
_fClientMustSize = TRUE;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_fServerMustSize = TRUE;
}
break;
case VT_FILETIME:
if(vt & VT_BYREF)
{
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
_stackSize += sizeof(FILETIME);
}
if(wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize = (_clientBufferSize + 3) & ~3;
_clientBufferSize += sizeof(FILETIME) + 4;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize = (_serverBufferSize + 3) & ~3;
_serverBufferSize += sizeof(FILETIME) + 4;
}
break;
default:
if(vt & VT_ARRAY)
{
_stackSize += sizeof(REGISTER_TYPE);
if(wIDLFlags & IDLFLAG_FIN)
{
_fClientMustSize = TRUE;
_fServerCorrCheck= TRUE;
}
if(wIDLFlags & IDLFLAG_FOUT)
{
_fServerMustSize = TRUE;
_fClientCorrCheck= TRUE;
}
}
else
{
hr = DISP_E_BADVARTYPE;
}
break;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Function: GenParamDescriptor
//
// Synopsis: generate proc string and format string for one parameter.
//
// Parameter: parainfo. the parameter information. vt for VARTYPE,
// IID if VARTYPE is interface,
// ITypeInfo if VARTYPE is UDT
//
// Returns: fChangeSize. TRUE if the parameter is a UDT. member variable of
// CProcGen (_stackSize,_clientBufferSize and _serverBufferSize need to
// be written back)
//
//----------------------------------------------------------------------------
HRESULT
CProcGen::GenParamDescriptor(
IN PARAMINFO *parainfo,
OUT BOOLEAN * fChangeSize)
{
HRESULT hr = S_OK;
PARAM_ATTRIBUTES attr;
USHORT offset;
*fChangeSize = FALSE;
VARTYPE vt = parainfo->vt;
VARTYPE vtnoref = vt & (~VT_BYREF) ;
MemoryInfo ProcMemInfo;
USHORT ParamOffset = _stackSize;
memset( &attr, 0, sizeof(attr) );
memset( &ProcMemInfo, 0, sizeof( ProcMemInfo ) );
attr.IsIn = (parainfo->wIDLFlags & IDLFLAG_FIN) ? 1 : 0;
attr.IsOut = (parainfo->wIDLFlags & IDLFLAG_FOUT) ? 1 : 0;
switch(vtnoref)
{
case VT_I1:
case VT_UI1:
case VT_I2:
case VT_BOOL:
case VT_UI2:
case VT_I4:
case VT_INT:
case VT_ERROR:
case VT_HRESULT:
case VT_UINT:
case VT_UI4:
case VT_R4:
attr.IsBasetype = TRUE;
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
attr.ServerAllocSize = 1;
}
}
PushShort(*((short *) &attr));
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
PushShort(VT_FC_MAP[vtnoref] );
break;
case VT_I8:
case VT_UI8:
case VT_CY:
case VT_R8:
case VT_DATE:
attr.IsBasetype = TRUE;
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
attr.ServerAllocSize = 1;
}
}
PushShort(*((short *) &attr));
if(vt & VT_BYREF)
{
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
PushShort(_stackSize);
_stackSize += 8;
}
PushShort(VT_FC_MAP[vtnoref] );
break;
case VT_DISPATCH:
case VT_UNKNOWN:
case VT_INTERFACE:
case VT_STREAM:
case VT_STORAGE:
attr.MustSize = TRUE;
attr.MustFree = TRUE;
PushShort(*((short *) &attr));
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
break;
case VT_BSTR:
attr.MustSize = TRUE;
attr.MustFree = TRUE;
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
attr.ServerAllocSize = 1;
}
}
else
{
attr.IsByValue = TRUE;
}
PushShort(*((short *) &attr));
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
break;
case VT_VARIANT:
attr.MustSize = TRUE;
attr.MustFree = TRUE;
#if defined(_AMD64_)
// in amd64, variant is always passed by reference.
vt |= VT_BYREF;
parainfo->vt |= VT_BYREF;
#endif
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
// size of VARIANT in 64bit is larger.
attr.ServerAllocSize = (sizeof(VARIANT) +7 ) >> 3;
}
}
else
{
attr.IsByValue = TRUE;
}
PushShort(*((short *) &attr));
if(vt & VT_BYREF)
{
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
#if defined(_WIN64)
LENGTH_ALIGN(_stackSize, 7);
#endif
PushShort(_stackSize);
_stackSize += sizeof(VARIANT);
}
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
break;
case VT_LPSTR:
case VT_LPWSTR:
attr.MustSize = TRUE;
attr.MustFree = TRUE;
if(vt & VT_BYREF)
{
if(!attr.IsIn)
{
attr.ServerAllocSize = 1;
}
}
else
{
attr.IsSimpleRef = TRUE;
}
PushShort(*((short *) &attr));
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
break;
case VT_DECIMAL:
attr.MustFree = TRUE;
#if defined(_AMD64_)
// in amd64, decimal is always passed by reference.
vt |= VT_BYREF;
parainfo->vt |= VT_BYREF;
#endif
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
attr.ServerAllocSize = (sizeof( DECIMAL ) + 7 ) >> 3;
}
}
else
{
attr.IsByValue = TRUE;
}
PushShort(*((short *) &attr));
if(vt & VT_BYREF)
{
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
// On WIN64 no need to align when size is up to 8 bytes
PushShort(_stackSize);
_stackSize += sizeof(DECIMAL);
}
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
break;
case VT_FILETIME:
attr.MustFree = TRUE;
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
attr.ServerAllocSize = 1;
}
}
else
{
attr.IsByValue = TRUE;
}
PushShort(*((short *) &attr));
if(vt & VT_BYREF)
{
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
// On WIN64 no need to align when size is up to 8 bytes
PushShort(_stackSize);
_stackSize += sizeof(FILETIME);
}
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
break;
case VT_CARRAY:
case VT_USERDEFINED:
{
SHORT WireAlignment,length;
BOOL IsByRef = FALSE;
#if defined(_AMD64_)
IsByRef = vt & VT_BYREF;
if ( vt & VT_USERDEFINED )
{
parainfo->vt |= VT_BYREF;
}
#endif
hr = _pTypeGen->RegisterType(parainfo, &offset,&ProcMemInfo);
if (FAILED(hr))
break;
WireAlignment = ProcMemInfo.WireAlignment;
length = ProcMemInfo.MemorySize;
#if defined(_AMD64_)
// we need to roll back if the struct size is 1,2,4,8
if ( !IsByRef && length <= 8 && !(length & (length-1) ) )
{
parainfo->vt &= ~VT_BYREF;
hr = _pTypeGen->GetOffset(offset + 2 * sizeof (BYTE), &offset);
if(FAILED(hr))
break;
}
else // otherwise, it's effecitvely pass by reference
vt |= VT_BYREF;
#endif
attr.MustSize = TRUE;
attr.MustFree = TRUE;
if ((vt & (~VT_BYREF)) != VT_CARRAY)
{
// this is code for server alloc field in proc format string.
// optimization to reduce the allocation for small top level struct
if(vt & VT_BYREF)
{
USHORT serverSize = length + 7;
serverSize = serverSize >> 3;
if (serverSize < 8 && !attr.IsIn)
attr.ServerAllocSize = serverSize;
attr.IsSimpleRef = TRUE;
hr = _pTypeGen->GetOffset(offset + 2 * sizeof (BYTE), &offset);
if(FAILED(hr))
break;
}
else
{
attr.IsByValue = TRUE;
}
}
PushShort(*((short *) &attr));
PushShort(_stackSize);
PushShort(offset);
if(vt & VT_BYREF)
{
_stackSize += sizeof(REGISTER_TYPE);
}
else
{
if (vt == VT_CARRAY)
_stackSize += sizeof(REGISTER_TYPE);
else
{
USHORT ualign = sizeof(REGISTER_TYPE) -1;
#if defined(_AMD64_)
_stackSize += sizeof(REGISTER_TYPE);
#else
_stackSize += length;
#endif
_stackSize = (_stackSize + ualign) & ~ualign;
#if defined(__RPC_WIN64__)
// only check for floatmask if it UDT. top level float/double is handled already
AnalyzeFloatTypes(ParamOffset, offset);
#endif
}
}
// over estimate the buffersize to avoid buffer underrun during marshalling
if (parainfo->wIDLFlags & IDLFLAG_FIN)
{
_clientBufferSize += WireAlignment+ 1;
}
if (parainfo->wIDLFlags & IDLFLAG_FOUT)
{
_serverBufferSize += WireAlignment + 1;
}
*fChangeSize = TRUE;
}
break;
case VT_MULTIINDIRECTIONS:
attr.MustSize = TRUE;
attr.MustFree = TRUE;
PushShort(*((short *) &attr));
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
// top level double pointers should be FC_RP FC_ALLOCED_ON_STACK|DEREF
// we have to change the type format string here because RegisterType
// doesn't know if the ** is in top level or embedded
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo);
if (SUCCEEDED(hr))
{
hr = _pTypeGen->AdjustTopLevelRef(offset);
}
if (SUCCEEDED(hr))
{
PushShort(offset);
}
break;
default:
{
if(vt & VT_ARRAY)
{
attr.MustSize = TRUE;
attr.MustFree = TRUE;
if(vt & VT_BYREF)
{
attr.IsSimpleRef = TRUE;
if(!attr.IsIn)
{
attr.ServerAllocSize = 1;
}
}
else
{
attr.IsByValue = TRUE;
}
PushShort(*((short *) &attr));
PushShort(_stackSize);
_stackSize += sizeof(REGISTER_TYPE);
hr = _pTypeGen->RegisterType(parainfo, &offset, &ProcMemInfo );
PushShort(offset);
}
else
{
if (vt & VT_VECTOR)
{
NDR_ASSERT(0, "VT_VECTOR is not supported");
}
hr = DISP_E_BADVARTYPE;
}
break;
}// end default
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CProcGen::IsHomogeneous
//
// Synopsis: Determine if a type is a homogeneous floating point type
//
// Parameter: pFormat -- The type info string
// fc -- FC_FLOAT or FC_DOUBLE
//
// Returns: true if the type is a homogeneous type of the specified
// FC_FLOAT or FC_DOUBLE
//
// Notes: Base types are homogeneous. Structs are homogeneous if each
// member is homogeneous.
//
//----------------------------------------------------------------------------
#if defined(__RPC_WIN64__)
bool CProcGen::IsHomogeneous(PFORMAT_STRING pFormat, FORMAT_CHARACTER fc)
{
switch (*pFormat)
{
case FC_FLOAT:
case FC_DOUBLE:
return ( *pFormat == fc );
case FC_STRUCT:
return IsHomogeneousMemberLayout(pFormat + 4, fc);
case FC_BOGUS_STRUCT:
return IsHomogeneousMemberLayout(pFormat + 8, fc);
}
return false;
}
#endif // __RPC_WIN64__
//+---------------------------------------------------------------------------
//
// Method: CProcGen::IsHomogeneousMemberLayout
//
// Synopsis: Determine if a member layout is homogeneous
//
// Parameter: pFormat -- The type info string
// fc -- FC_FLOAT or FC_DOUBLE
//
// Returns: true if the type is a homogeneous layout of the specified
// FC_FLOAT or FC_DOUBLE
//
// Notes: Base types are homogeneous. Structs are homogeneous if each
// member is homogeneous.
//
//----------------------------------------------------------------------------
#if defined(__RPC_WIN64__)
bool CProcGen::IsHomogeneousMemberLayout(PFORMAT_STRING pFormat, FORMAT_CHARACTER fc)
{
while (*pFormat != FC_END)
{
switch (*pFormat)
{
case FC_FLOAT:
case FC_DOUBLE:
if ( *pFormat != fc )
return false;
++pFormat;
break;
case FC_EMBEDDED_COMPLEX:
pFormat += 2;
if ( !IsHomogeneous( pFormat + *(short UNALIGNED *)pFormat, fc ) )
return false;
pFormat += 2;
break;
case FC_PAD:
pFormat += 1;
break;
default:
return false;
}
}
return true;
}
#endif __RPC_WIN64__
//+---------------------------------------------------------------------------
//
// Method: CProcGen::AnalyzeFloatTypes
//
// Synopsis: Analyse a type to see if it is a homogeneous floating point
// type and adjust the floating point mask accordingly.
//
// Parameter: ParamOffset -- Offset of the param from the stack top
// offset -- The offset into the type string of the type
//
//----------------------------------------------------------------------------
#if defined(__RPC_WIN64__)
void CProcGen::AnalyzeFloatTypes(USHORT ParamOffset, USHORT offset)
{
enum FloatType
{
NonFloat = 0,
Single = 1,
Double = 2,
DualSingle = 3
}
type;
PFORMAT_STRING pFormat = _pTypeGen->GetFormatString() + offset;
bool issingle = IsHomogeneous(pFormat, FC_FLOAT);
bool isdouble = IsHomogeneous(pFormat, FC_DOUBLE);
if ( issingle || isdouble )
{
ULONG paramSlot = ParamOffset /= sizeof(REGISTER_TYPE);
long members;
if ( FC_FLOAT == *pFormat || FC_DOUBLE == *pFormat )
members = 1;
else
members = _pTypeGen->GetStructSize() / ( isdouble ? 8 : 4 );
while (members > 0 && _usFloatSlots < 8 && paramSlot < 8)
{
if ( isdouble )
type = Double;
else if ( members > 1 && _usFloatSlots < 7 )
type = DualSingle;
else
type = Single;
_usFloatArgMask |= type << (paramSlot * 2);
paramSlot += 1;
members -= 1 + (DualSingle == type);
_usFloatSlots += 1 + (DualSingle == type);
}
}
}
#endif // __RPC_WIN64__
HRESULT CProcGen::PushByte(
IN byte b)
{
BYTE *pb = (BYTE *) &_pProcFormatString[_offset];
*pb = b;
_offset += sizeof(b);
return S_OK;
}
HRESULT CProcGen::PushShort(
IN USHORT s)
{
short UNALIGNED *ps = (UNALIGNED short*)&_pProcFormatString[_offset];
*ps = s;
_offset += sizeof(s);
return S_OK;
}
HRESULT CProcGen::PushLong(
IN ULONG s)
{
long UNALIGNED *ps = (UNALIGNED long*)&_pProcFormatString[_offset];
*ps = s;
_offset += sizeof(s);
return S_OK;
}
HRESULT CProcGen::SetShort(
IN USHORT offset,
IN USHORT data)
{
if (offset >= _offset)
return E_INVALIDARG;
*((UNALIGNED short *) &_pProcFormatString[offset]) = data;
return S_OK;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::CTypeGen
//
// Synopsis: Constructor for type generator.
//
//----------------------------------------------------------------------------
CTypeGen::CTypeGen()
{
Init();
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::Init
//
// Synopsis: Initialize the type generator.
//
//----------------------------------------------------------------------------
void CTypeGen::Init()
{
_pTypeFormat = __MIDL_TypeFormatString.Format;
_cbTypeFormat = TYPE_FORMAT_STRING_SIZE;
//The _offset must be aligned on a 4 byte boundary.
//Note that this may result in _offset > _cbTypeFormat.
_offset = (TYPE_FORMAT_STRING_SIZE + 3) & ~3;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::~CTypeGen
//
// Synopsis: Destructor for type generator.
//
//----------------------------------------------------------------------------
CTypeGen::~CTypeGen()
{
ReleaseTypeFormatString(_pTypeFormat);
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::GetTypeFormatString
//
// Synopsis: Get the MIDL_TYPE_FORMAT_STRING.
//
// Arguments: ppTypeFormatString - Returns a pointer to the type format
// string.
//
// pLength - Returns the length of the format string.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::GetTypeFormatString(
OUT PFORMAT_STRING * ppTypeFormatString,
OUT USHORT * pLength)
{
HRESULT hr = S_OK;
*ppTypeFormatString = _pTypeFormat;
if(_offset < _cbTypeFormat)
{
*pLength = _offset;
}
else
{
*pLength = _cbTypeFormat;
}
//Clear the type format string.
Init();
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::UpdateStructInfo
//
// Synopsis: Update the memory information of the specified vt type.
//
// Arguments: uPackingLevel: packing level specified by tlb. Same as /Zp setting in MIDL
// packing level is the maximum alignment in memory. It doesn't affect wire format but
// it could force a structure to be bogus.
//
//
//----------------------------------------------------------------------------
void
CTypeGen::UpdateStructInfo( MemoryInfo *pStructInfo,
VARTYPE vtnoref,
long IsRef,
ushort uPackingLevel )
{
MemoryInfo const*pInfo;
if ( IsRef )
pInfo = &VarMemInfo[VT_PTR];
else
pInfo = &VarMemInfo[vtnoref];
pStructInfo->MemorySize = pInfo->MemorySize;
if ( pInfo->MemoryAlignment > uPackingLevel )
pStructInfo->MemoryAlignment = uPackingLevel;
else
pStructInfo->MemoryAlignment = pInfo->MemoryAlignment;
pStructInfo->WireAlignment = pInfo->WireAlignment;
pStructInfo->WireSize = pInfo->WireSize;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::RegisterType
//
// Synopsis: Registers a top-level type in the type format string.
//
// Arguments: pTypeDesc - Supplies the type descriptor.
// pOffset - Returns the offset in the type format string.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::RegisterType(
IN PARAMINFO * parainfo,
OUT USHORT * pOffset,
OUT MemoryInfo * pStructInfo)
{
HRESULT hr = S_OK;
VARTYPE vt = parainfo->vt;
VARTYPE vtnoref = vt & (~VT_BYREF);
long IsRef = (vt & VT_BYREF) ? 1 : 0;
IID *piid = &(parainfo->iid);
USHORT uPackingLevel = parainfo->cbAlignment;
// we don't support vector; vt_array is safearray, treated separately
if ( vt & (VT_ARRAY | VT_VECTOR | VT_RESERVED ) )
{
if(vt & VT_ARRAY)
{
hr = RegisterSafeArray(parainfo, pOffset);
}
else
{
hr = DISP_E_BADVARTYPE;
}
vtnoref = VT_SAFEARRAY;
if ( SUCCEEDED(hr ) )
{
// safearray is pointer.
UpdateStructInfo( pStructInfo, VT_SAFEARRAY, FALSE , uPackingLevel );
}
return hr;
}
// it's at the end and we can't folk this into the offset array.
if ( vt == VT_MULTIINDIRECTIONS )
{
// realvt is already VT_BYREF | something.
// in multiple indirections case, we generate multiple
// FC_UP FC_POINTER_DEREF. It'll be fixed up if it's
// top level parameter.
parainfo->vt = parainfo->realvt;
ASSERT(parainfo->vt != VT_MULTIINDIRECTIONS);
hr = RegisterType( parainfo,pOffset, pStructInfo );
parainfo->vt = VT_MULTIINDIRECTIONS;
vtnoref = parainfo->realvt;
if (SUCCEEDED(hr))
{
USHORT tmpOffset = *pOffset;
USHORT prevOffset;
ASSERT(parainfo->lLevelCount > 0);
for (LONG i = 0; i < parainfo->lLevelCount; i++ )
{
prevOffset = _offset;
PushByte(FC_UP);
PushByte(FC_POINTER_DEREF);
PushOffset(tmpOffset);
tmpOffset = prevOffset;
}
*pOffset = prevOffset;
// this is multiple indirection case, it's a pointer.
UpdateStructInfo( pStructInfo, VT_PTR, TRUE, uPackingLevel );
}
}
else
{
*pOffset = OffsetArray[vtnoref][IsRef];
UpdateStructInfo( pStructInfo, vtnoref, IsRef, uPackingLevel );
// take care of special cases and invalid cases.
if ( *pOffset == 0xffff )
{
switch ( vtnoref )
{
case VT_INTERFACE:
hr = RegisterInterfacePointer(parainfo, pOffset);
break;
case VT_USERDEFINED:
hr = RegisterUDT(parainfo, pOffset, pStructInfo);
break;
case VT_I8:
case VT_UI8:
case VT_CY:
if ( IsRef )
{
*pOffset = _offset;
PushByte(FC_UP);
PushByte(FC_SIMPLE_POINTER);
PushByte(FC_HYPER);
PushByte(FC_PAD);
}
break;
case VT_CARRAY:
hr = RegisterCArray(parainfo,pOffset,pStructInfo);
break;
default:
NDR_ASSERT(0, "invalid vartype");
hr = DISP_E_BADVARTYPE;
}
}
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::RegisterInterfacePointer
//
// Synopsis: Register an interface pointer in the type format string.
//
// Arguments: riid - Supplies the IID of the interface.
// pOffset - Returns the type offset of the interface pointer.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::RegisterInterfacePointer(
IN PARAMINFO* parainfo,
OUT USHORT *pOffset)
{
HRESULT hr = E_FAIL;
USHORT offset;
VARTYPE vt = parainfo->vt;
IID* piid = &(parainfo->iid);
offset = _offset;
hr = PushByte(FC_IP);
if(FAILED(hr))
return hr;
hr = PushByte(FC_CONSTANT_IID);
if(FAILED(hr))
return hr;
hr = PushIID(*piid);
if(FAILED(hr))
return hr;
if(vt & VT_BYREF)
{
*pOffset = _offset;
hr = PushByte(FC_RP);
if(FAILED(hr))
return hr;
hr = PushByte(FC_POINTER_DEREF);
if(FAILED(hr))
return hr;
hr = PushOffset(offset);
}
else
{
*pOffset = offset;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::RegisterCArray
//
// Synopsis: generate format string for a fixed size array.
//
// Arguments: pTypeDesc - Supplies the type descriptor.
// pOffset - Returns the offset in the type format string.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::RegisterCArray(
IN PARAMINFO* parainfo,
OUT USHORT *pOffset,
OUT MemoryInfo *pStructInfo)
{
HRESULT hr = S_OK;
ARRAYDESC *padesc = parainfo->pArray;
VARTYPE vt = padesc->tdescElem.vt;
ULONG ulCount=1;
USHORT WireAlignment = 0,ussize = 0,offset;
BYTE fcElem,fcStruct;
PARAMINFO iteminfo;
USHORT uPackingLevel = parainfo->cbAlignment;
MemoryInfo MemInfo;
for ( int i = 0; i < padesc->cDims; i++)
ulCount *= padesc->rgbounds[i].cElements ;
memset( &MemInfo, 0, sizeof( MemoryInfo ) );
if ( vt > VT_VERSIONED_STREAM )
{
NDR_ASSERT(0, "invalid c-array type");
hr = DISP_E_BADVARTYPE;
goto Error;
}
fcElem = VT_FC_MAP[vt];
MemInfo = VarMemInfo[vt];
// for simple types, wire size is the same as memory size;
// for complex data, it's bogus array and the value here is irrelavant.
// take care of special case here.
if ( fcElem == FC_ZERO )
{
switch (vt)
{
case VT_USERDEFINED:
case VT_INTERFACE:
case VT_PTR:
case VT_CARRAY:
// we need some more information other than vt type.
{
ITypeInfo* pTempInfo = parainfo->pTypeInfo;
fcElem = FC_EMBEDDED_COMPLEX;
hr = VarVtOfTypeDesc(parainfo->pTypeInfo,&(padesc->tdescElem),&iteminfo);
if (SUCCEEDED(hr))
{
hr = RegisterType(&iteminfo,&offset,&MemInfo);
// it's a bogus array if wire size is diffrent from memorysize
}
if (FAILED(hr))
goto Error;
}
if ( offset == 0 )
{
fcElem = VT_FC_MAP[iteminfo.vt];
}
break;
default:
hr = DISP_E_BADVARTYPE;
goto Error;
}
}
else
if ( fcElem == FC_EMBEDDED_COMPLEX )
{
iteminfo.vt = vt;
hr = RegisterType(&iteminfo,&offset, &MemInfo);
if (FAILED(hr))
goto Error;
}
ussize = MemInfo.MemorySize;
WireAlignment = MemInfo.WireAlignment;
*pOffset = _offset;
// simple array. ulCount is the total size(same for wire & mem)
if (fcElem != FC_EMBEDDED_COMPLEX)
{
ulCount *= ussize;
if (ulCount <= _UI16_MAX)
{
PushByte(FC_SMFARRAY);
PushByte((BYTE)WireAlignment);
PushShort((SHORT)ulCount);
PushByte(fcElem);
}
else
{
PushByte(FC_LGFARRAY);
PushByte((BYTE)WireAlignment);
PushLong(ulCount);
PushByte(fcElem);
}
}
else
{
hr = GetByte(offset,&fcStruct);
if (FAILED(hr))
goto Error;
switch (fcStruct)
{
case FC_STRUCT:
ulCount *= ussize;
if ( ulCount <= _UI16_MAX )
{
PushByte(FC_SMFARRAY);
PushByte((BYTE)WireAlignment);
PushShort((SHORT)ulCount); // total size
PushByte(FC_EMBEDDED_COMPLEX);
PushByte(0);
PushOffset(offset);
PushByte(FC_PAD);
}
else
{
PushByte(FC_LGFARRAY);
PushByte((BYTE)WireAlignment);
PushLong(ulCount); // total size
PushByte(FC_EMBEDDED_COMPLEX);
PushByte(0);
PushOffset(offset);
PushByte(FC_PAD);
}
break;
// FC_EMBEDDED_COMPLEX-FC_UP within a complex array
// should be the same as FC_BOGUSY_ARRAY-FC_UP directly
case FC_UP:
case FC_RP:
{
byte fctmp,bflag;
USHORT tmpoffset;
PushByte(FC_BOGUS_ARRAY);
PushByte((BYTE)WireAlignment);
PushShort((SHORT)ulCount); // this is the count
PushLong(0xffffffff); // no conformance description
#if defined(__RPC_WIN64__)
PushShort(0); // 6 bytes description in /robust
#endif
PushLong(0xffffffff); // no variance description
#if defined(__RPC_WIN64__)
PushShort(0);
#endif
GetByte(offset, &fctmp);
PushByte(fctmp);
GetByte(offset+1, &bflag);
PushByte(bflag);
GetOffset(offset+2, &tmpoffset);
PushOffset(tmpoffset);
PushByte(FC_PAD);
ulCount *= PTR_MEM_SIZE;
break;
}
case FC_BOGUS_STRUCT:
case FC_USER_MARSHAL:
case FC_IP:
PushByte(FC_BOGUS_ARRAY);
PushByte((BYTE)WireAlignment);
PushShort((SHORT)ulCount); // this is the count
PushLong(0xffffffff); // no conformance description
#if defined(__RPC_WIN64__)
PushShort(0);
#endif
PushLong(0xffffffff); // no variance description
#if defined(__RPC_WIN64__)
PushShort(0); // correlation description
#endif
PushByte(FC_EMBEDDED_COMPLEX);
PushByte(0); // the first element
PushOffset(offset);
PushByte(FC_PAD);
ulCount *= ussize;
break;
default:
hr = DISP_E_BADVARTYPE;
}
}
PushByte(FC_END);
if (parainfo->vt & VT_BYREF)
{
USHORT uTemp = _offset;
PushByte(FC_UP);
PushByte(0);
PushOffset(*pOffset);
*pOffset = uTemp;
UpdateStructInfo(pStructInfo, vt, TRUE, uPackingLevel); // isbyref
}
else
{
UpdateStructInfo( pStructInfo, vt, FALSE, uPackingLevel); // not byref
// special case for larger array. make sure structures
// embedding a big array would be rejected
if (ulCount > _UI16_MAX)
ulCount = _UI16_MAX;
pStructInfo->MemorySize = (USHORT)ulCount;
pStructInfo->WireSize = (USHORT)ulCount;
}
Error:
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::RegisterUDT
//
// Synopsis: Register a user defined type in the type format string.
//
// Arguments: pParamInfo - Supplies the user defined type.
// pOffset - Returns the type offset of the struct.
// pStructInfo - HIWORD is alignment, LOWORD is size.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::RegisterUDT(
IN PARAMINFO * pParamInfo,
OUT USHORT * pOffset,
OUT MemoryInfo * pStructInfo)
{
HRESULT hr;
TYPEATTR * pTypeAttr;
PARAMINFO paramInfo;
ITypeInfo * pTypeInfo = pParamInfo->pTypeInfo;
*pOffset = 0;
hr = pTypeInfo->lpVtbl->GetTypeAttr(pTypeInfo,
&pTypeAttr);
if(SUCCEEDED(hr))
{
pParamInfo->cbAlignment = pTypeAttr->cbAlignment -1;
switch(pTypeAttr->typekind)
{
case TKIND_RECORD:
hr = RegisterStruct(pParamInfo, pOffset, pStructInfo);
NDR_ASSERT( pStructInfo->MemorySize != 0, "struct size can't be 0");
break;
case TKIND_ALIAS:
hr = VarVtOfTypeDesc(pTypeInfo, &pTypeAttr->tdescAlias, &paramInfo);
if(SUCCEEDED(hr))
{
hr = RegisterType(&paramInfo, pOffset, pStructInfo);
NDR_ASSERT( pStructInfo->MemorySize != 0, "data size can't be 0");
}
if (FAILED(hr))
break;
if (0 == *pOffset)
// this is an aliases to a simple type. We should just pass the vt type back
{
pParamInfo->vt = paramInfo.vt;
}
break;
case TKIND_DISPATCH:
case TKIND_INTERFACE:
hr = VarVtOfIface(pTypeInfo, pTypeAttr, &paramInfo);
if(SUCCEEDED(hr))
{
hr = RegisterType(&paramInfo, pOffset, pStructInfo);
}
break;
case TKIND_ENUM:
pParamInfo->vt = VT_I4;
*pOffset = 0;
UpdateStructInfo( pStructInfo, VT_I4, FALSE , pParamInfo->cbAlignment);
break;
case TKIND_MODULE:
case TKIND_COCLASS:
case TKIND_UNION:
default:
hr = DISP_E_BADVARTYPE;
break;
}
}
pTypeInfo->lpVtbl->ReleaseTypeAttr(pTypeInfo,pTypeAttr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::RegisterStruct
//
// Synopsis: Register an user defined struct in the type format string.
//
// Arguments: riid - Supplies the ITypeInfo for that struct.
// pOffset - Returns the type offset of the struct.
// pStructInfo: HIWORD is alignment, LOWORD is size.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::RegisterStruct(
IN PARAMINFO * parainfo,
OUT USHORT * pOffset,
OUT MemoryInfo * pStructInfo)
{
HRESULT hr = S_OK;
TYPEATTR *pTypeAttr;
VARDESC **ppVarDesc;
ITypeInfo* pInfo = parainfo->pTypeInfo;
VARTYPE vt = parainfo->vt;
FORMAT_CHARACTER fcStruct = FC_STRUCT;
BYTE fcTemp;
USHORT *poffsets;
MemoryInfo *pFieldInfos;
USHORT uPacklingLevel;
int i = 0;
hr = pInfo->lpVtbl->GetTypeAttr(pInfo,&pTypeAttr);
if (FAILED(hr))
return hr;
*pOffset = 0;
uPacklingLevel = parainfo->cbAlignment;
poffsets = (USHORT *)alloca(pTypeAttr->cVars * sizeof(USHORT));
memset(poffsets,0,pTypeAttr->cVars * sizeof(USHORT));
pFieldInfos = (MemoryInfo *)alloca(pTypeAttr->cVars * sizeof(MemoryInfo));
memset(pFieldInfos,0,pTypeAttr->cVars * sizeof(MemoryInfo));
ppVarDesc = (VARDESC **)alloca(pTypeAttr->cVars * sizeof(VARDESC *));
memset(ppVarDesc,0,pTypeAttr->cVars * sizeof(VARDESC *));
for(i = 0; SUCCEEDED(hr) && i < pTypeAttr->cVars; i++)
{
hr = pInfo->lpVtbl->GetVarDesc(pInfo,i, &ppVarDesc[i]);
if(SUCCEEDED(hr))
{
VARKIND varkind = ppVarDesc[i]->varkind;
PARAMINFO iteminfo;
iteminfo.cbAlignment = pTypeAttr->cbAlignment - 1;
BOOL IsRef;
switch (varkind)
{
case VAR_PERINSTANCE:
iteminfo.wIDLFlags = parainfo->wIDLFlags;
iteminfo.vt = ppVarDesc[i]->elemdescVar.tdesc.vt;
IsRef = iteminfo.vt & VT_BYREF;
switch (iteminfo.vt & ~VT_BYREF)
{
case VT_USERDEFINED:
ITypeInfo *pTempTI;
hr = pInfo->lpVtbl->GetRefTypeInfo(pInfo,ppVarDesc[i]->elemdescVar.tdesc.hreftype, &pTempTI);
if (FAILED(hr))
goto Error;
iteminfo.pTypeInfo = pTempTI;
hr = RegisterUDT(&iteminfo,&poffsets[i],&pFieldInfos[i]);
if (FAILED(hr))
goto Error;
if (0 == poffsets[i])
// the UDT in fact is a simple type (alias or TKIND_ENUM). pass the type back
// this is a hack. If the member is typedef->typedef<>...tkind_enum, it's effectively a
// simple type, and we bring the real type up here to be used in Parse & PushStruct.
{
ppVarDesc[i]->elemdescVar.tdesc.vt = iteminfo.vt;
UpdateStructInfo( &pFieldInfos[i], iteminfo.vt, IsRef, uPacklingLevel);
}
break;
// special case: the top level parameter case is treated differently
case VT_DECIMAL:
if ( IsRef )
{
poffsets[i] = BYREF_DECIMAL_TYPE_FS_OFFSET ;
}
else
{
poffsets[i] = DECIMAL_TYPE_FS_OFFSET;
}
UpdateStructInfo(&pFieldInfos[i], VT_DECIMAL, IsRef, uPacklingLevel);
break;
case VT_LPSTR:
if (IsRef)
{
poffsets[i] = BYREF_LPSTR_TYPE_FS_OFFSET ;
}
else
{
poffsets[i] = EMBEDDED_LPSTR_TYPE_FS_OFFSET ;
}
UpdateStructInfo(&pFieldInfos[i], VT_LPSTR, IsRef, uPacklingLevel);
break;
case VT_LPWSTR:
if ( IsRef )
{
poffsets[i] = BYREF_LPWSTR_TYPE_FS_OFFSET ;
}
else
{
poffsets[i] = EMBEDDED_LPWSTR_TYPE_FS_OFFSET ;
}
UpdateStructInfo(&pFieldInfos[i], VT_LPWSTR, IsRef, uPacklingLevel);
break;
// doesn't need special case
case VT_FILETIME:
// all the following are user marshalls.
case VT_DISPATCH:
case VT_UNKNOWN:
case VT_INTERFACE:
case VT_STREAM:
case VT_STORAGE:
case VT_BSTR:
case VT_VARIANT:
hr = RegisterType(&iteminfo,&(poffsets[i]),&(pFieldInfos[i]));
if (FAILED(hr))
goto Error;
break;
case VT_PTR:
case VT_SAFEARRAY: // 13129
{
PARAMINFO ptrInfo;
hr = VarVtOfTypeDesc(pInfo,&(ppVarDesc[i]->elemdescVar.tdesc),&ptrInfo);
if (SUCCEEDED(hr))
hr = RegisterType(&ptrInfo,&(poffsets[i]),&(pFieldInfos[i]));
if (FAILED(hr))
goto Error;
// these are really pointers.
UpdateStructInfo(&pFieldInfos[i], iteminfo.vt, IsRef, uPacklingLevel);
}
break;
case VT_CARRAY:
iteminfo.pArray = ppVarDesc[i]->elemdescVar.tdesc.lpadesc;
iteminfo.pTypeInfo = parainfo->pTypeInfo;
iteminfo.pTypeInfo->lpVtbl->AddRef(iteminfo.pTypeInfo);
iteminfo.vt = ppVarDesc[i]->elemdescVar.tdesc.vt;
hr = RegisterCArray(&iteminfo,&poffsets[i],&pFieldInfos[i]);
if (FAILED(hr))
goto Error;
break;
}
// this member is not a simple type.
// we could have some optimization here but for now we just
// generate complex struct.
if (poffsets[i])
{
hr = GetByte(poffsets[i],&fcTemp);
if (FAILED(hr))
return hr;
switch (fcTemp)
{
case FC_PSTRUCT:
case FC_CSTRUCT:
case FC_CVSTRUCT:
hr = DISP_E_BADVARTYPE;
break;
case FC_STRUCT:
case FC_BOGUS_STRUCT:
case FC_USER_MARSHAL:
case FC_LGFARRAY:
case FC_SMFARRAY:
case FC_BOGUS_ARRAY:
case FC_IP:
case FC_UP:
case FC_OP:
case FC_RP:
fcStruct = FC_BOGUS_STRUCT;
break;
default:
NDR_ASSERT(0, "invalid struct type");
fcStruct = FC_BOGUS_STRUCT;
break;
}
}
break;
default: // all other types shouldn't happen .
hr = DISP_E_BADVARTYPE;
break;
}
}
else
goto Error;
}
if (FAILED(hr))
goto Error;
hr = PushStruct(parainfo,fcStruct,ppVarDesc,poffsets,pFieldInfos,pTypeAttr->cVars,pOffset,pStructInfo);
Error:
for (int j = 0; j < pTypeAttr->cVars ; j++)
if (ppVarDesc[j])
pInfo->lpVtbl->ReleaseVarDesc(pInfo,ppVarDesc[j]);
pInfo->lpVtbl->ReleaseTypeAttr(pInfo,pTypeAttr);
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::PushStruct
//
// Synopsis: This should be part of RegisterStruct, seperate them just because
// the function is too long.
//
// Arguments: parainfo - parameter information.
// fcStruct - type of struct.
// ppVarDesc - variable description, if applicable.
// poffsets - offset of embedded complex members.
// pdwStructInfo - size/pad of embedded complex members.
// uNumElement - number of members in the struct.
// pOffset - Returns the type offset of the struct.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::PushStruct(
IN PARAMINFO *parainfo,
IN FORMAT_CHARACTER fcStruct,
IN VARDESC **ppVarDesc,
IN USHORT *poffsets,
IN MemoryInfo * pFieldInfos,
IN USHORT uNumElements,
OUT USHORT *pOffset,
OUT MemoryInfo *pStructInfo)
{
HRESULT hr = S_OK;
USHORT uStartoffset;
USHORT uMemorySize = 0,maxMemoryAlignment=0;
USHORT FieldMemoryAlignment = 0;
USHORT structpad;
int i;
VARTYPE vt = parainfo->vt;
boolean fHasPointer = FALSE;
USHORT uPackingLevel = parainfo->cbAlignment;
_uStructSize = 0;
// sizing pass, find out the size of the struct and check if we need to convert struct into bogus struct.
hr = ParseStructMembers(parainfo,&fcStruct,ppVarDesc,poffsets,pFieldInfos,uNumElements,pStructInfo);
if (FAILED(hr))
return hr;
uStartoffset = _offset; // the starting point of this struct.
_uStructSize = 0;
PushByte(fcStruct);
PushByte((BYTE)pStructInfo->WireAlignment);
PushShort(pStructInfo->MemorySize);
switch (fcStruct)
{
case FC_STRUCT:
break;
case FC_CSTRUCT:
case FC_PSTRUCT:
case FC_CVSTRUCT:
hr = E_NOTIMPL;
break;
case FC_BOGUS_STRUCT:
PushShort(0); // offset to array. E_NOTIMPLE;
PushShort(0); // offset to pointer layout.
break;
default:
hr = DISP_E_BADVARTYPE;
break;
}
if (FAILED(hr))
return hr;
for (i = 0; i < uNumElements; i++)
{
if (poffsets[i] > 0)
{
// The struct member is an embedded complex, the descsriptor of which
// is already generated.
NDR_ASSERT( pFieldInfos[i].MemorySize > 0, "MemoryInfo should have been initialized");
USHORT uPrevSize;
BYTE fcTemp;
// we need to find the offset to know if we have pointers.
// we could do that through the typelib directly though.
hr = GetByte(poffsets[i],&fcTemp);
if (FAILED(hr))
return hr;
if ( pFieldInfos[i].MemoryAlignment > uPackingLevel )
FieldMemoryAlignment = uPackingLevel;
else
FieldMemoryAlignment = pFieldInfos[i].MemoryAlignment;
uMemorySize = pFieldInfos[i].MemorySize;
if (fcTemp == FC_UP || fcTemp == FC_RP || fcTemp == FC_OP )
{
FieldMemoryAlignment = Alignment( PTR_MEM_ALIGN, uPackingLevel );
PushByte(FC_POINTER);
fHasPointer = TRUE;
_uStructSize += PTR_MEM_SIZE;
NDR_ASSERT( uMemorySize == PTR_MEM_SIZE, "invalid pointer size");
}
else
{
PushByte(FC_EMBEDDED_COMPLEX);
// push the padding required the previous field and
// following FC_EMBEDDED_COMPLEX
uPrevSize = (SHORT )_uStructSize;
LENGTH_ALIGN( _uStructSize, FieldMemoryAlignment);
PushByte( (BYTE)( _uStructSize - uPrevSize ) );
PushOffset(poffsets[i]);
_uStructSize += uMemorySize; // size of the struct
}
}
else
{
hr = GenStructSimpleTypesFormatString(parainfo,ppVarDesc[i],&FieldMemoryAlignment);
if (FAILED(hr))
return hr;
}
if ( FieldMemoryAlignment > maxMemoryAlignment )
maxMemoryAlignment = FieldMemoryAlignment;
}
structpad = (USHORT)_uStructSize & maxMemoryAlignment;
if (structpad )
{
structpad = maxMemoryAlignment - structpad;
hr = PushByte((BYTE)FC_STRUCTPAD1 + structpad) ;
if (FAILED(hr))
return hr;
}
if (!((_offset - uStartoffset) & 1))
{
hr = PushByte(FC_PAD);
if (FAILED(hr))
return hr;
}
PushByte(FC_END);
// one level of indirection if it's a pointer
if (fHasPointer)
{
USHORT tempOffset, tempAddr;
BYTE fcTemp,fcType;
tempOffset = uStartoffset + 2*sizeof(BYTE) + 2*sizeof(SHORT);
SetShort(tempOffset,_offset-tempOffset);
for (i = 0 ; i < uNumElements; i++)
{
if (poffsets[i] > 0)
{
hr = GetByte(poffsets[i],&fcTemp);
hr = GetByte(poffsets[i] + 1, &fcType);
if (FAILED(hr))
return hr;
if (fcTemp == FC_UP || fcTemp == FC_RP || fcTemp == FC_OP )
{
// should really be FC_OP here!!!
// MIDL generate FC_OP for [out] and [in,out] param.
// We can always generate FC_OP here: the engine behave differently
// only on unmarshaling in client side, and force no buffer reuse on
// server side, but even we set the flag on [in] only parameter,
// unmarshall routine is not called on the client side so it doesn't matter.
PushByte(FC_UP);
PushByte(fcType);
if (FC_SIMPLE_POINTER == fcType)
{
GetByte(poffsets[i] + 2 * sizeof(BYTE), &fcTemp);
PushByte(fcTemp);
PushByte(FC_PAD);
}
else
{
GetOffset(poffsets[i] + 2*sizeof(BYTE) , &tempAddr);
PushOffset(tempAddr);
}
}
}
}
}
if (vt & VT_BYREF)
{
*pOffset = _offset;
PushByte(FC_UP);
PushByte(0);
PushOffset(uStartoffset);
}
else
*pOffset = uStartoffset;
if (_offset & 2) // align the starting point of next struct to 4 byte boundary.
PushShort(0);
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::ParseStructMembers
//
// Synopsis: basically sizing pass of the struct, check if we need to convert
// struct into bogus struct when we can't memcpy the buffer.
//
// Arguments: parainfo - parameter information.
// pfcStruct - type of struct.
// ppVarDesc - variable description, if applicable.
// poffsets - offset of embedded complex members.
// pdwStructInfo - size/pad of embedded complex members.
// uNumElement - number of members in the struct.
// pStructInfo - return the struct info.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::ParseStructMembers(
IN PARAMINFO *parainfo,
IN OUT FORMAT_CHARACTER *pfcStruct,
IN VARDESC **ppVarDesc,
IN USHORT *poffsets,
IN MemoryInfo *pFieldInfos,
IN USHORT uNumElements,
OUT MemoryInfo *pStructInfo)
{
USHORT uStartoffset = 0;
BOOL fChangeToBogus = FALSE;
int i;
USHORT FieldMemoryAlignment = 0, MaxWireAlignment = 0, MaxMemoryAlignment = 0;
HRESULT hr = S_OK ;
USHORT uPacklingLevel = parainfo->cbAlignment;
memset( pStructInfo, 0, sizeof( MemoryInfo ) );
for (i = 0; i < uNumElements; i++)
{
// this is simple type. Let's fill in the memory/size info.
if ( pFieldInfos[i].MemorySize == 0 )
{
NDR_ASSERT( poffsets[i] == 0 , "invalid simple type format string offset");
hr = GetMemoryInfoForSimpleType(ppVarDesc[i]->elemdescVar.tdesc.vt,
&pFieldInfos[i]);
if (FAILED(hr))
return hr;
}
NDR_ASSERT( pFieldInfos[i].MemorySize != 0, "invalid field information");
if ( pFieldInfos[i].MemoryAlignment > uPacklingLevel )
{
// need to change to bogus struct if the struct is not naturally aligned.
FieldMemoryAlignment = uPacklingLevel;
fChangeToBogus = TRUE;
}
else
FieldMemoryAlignment = pFieldInfos[i].MemoryAlignment;
// wire alignment is put on the format string only.
if ( pFieldInfos[i].WireAlignment > MaxWireAlignment )
MaxWireAlignment = pFieldInfos[i].WireAlignment ;
if ( FieldMemoryAlignment > MaxMemoryAlignment )
MaxMemoryAlignment = FieldMemoryAlignment;
LENGTH_ALIGN( _uStructSize, FieldMemoryAlignment );
_uStructSize += pFieldInfos[i].MemorySize; // size of the struct
}
if ((USHORT)_uStructSize & MaxMemoryAlignment )
{
// it's a bogus struct if we have trailing padding.
fChangeToBogus = TRUE;
*pfcStruct = FC_BOGUS_STRUCT;
}
LENGTH_ALIGN( _uStructSize, MaxMemoryAlignment );
// we are returning the real size of struct up. In the type format generating code,
// embedded pointer size is always PTR_MEM_SIZE and the sizing info returned from here
// is ignored.
pStructInfo->MemorySize = (USHORT)_uStructSize;
pStructInfo->MemoryAlignment = MaxMemoryAlignment;
pStructInfo->WireAlignment = MaxWireAlignment;
NDR_ASSERT( _uStructSize != 0, "invalid struct size");
if (_uStructSize > _UI16_MAX)
{
hr = DISP_E_BADVARTYPE;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::GetMemoryInfoForSimpleType
//
// Synopsis: Fill in the memory and wire size information for simple types
//
// Arguments: vt - what's the simple type.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::GetMemoryInfoForSimpleType(VARTYPE vt,
MemoryInfo *pSimpleTypeInfo)
{
HRESULT hr = S_OK;
VARTYPE vtnoref = vt & ~VT_BYREF;
if ( vt > VT_VERSIONED_STREAM )
{
NDR_ASSERT( 0, "invalid vartype" );
hr = DISP_E_BADVARTYPE;
}
*pSimpleTypeInfo = VarMemInfo[vtnoref];
if ( pSimpleTypeInfo->WireSize == 0 )
{
NDR_ASSERT(0, "invalid vartype" );
hr = DISP_E_BADVARTYPE;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::RegisterSafeArray
//
// Synopsis: Register a safe array in the type format string.
//
// Arguments: riid - Supplies the IID of the interface.
// pOffset - Returns the type offset of the safe array.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::RegisterSafeArray(
IN PARAMINFO* pParainfo,
OUT USHORT *pOffset)
{
HRESULT hr = S_OK;
USHORT offset;
VARTYPE vt = pParainfo->vt;
IID *piid = &(pParainfo->iid);
switch(vt & ~(VT_ARRAY | VT_BYREF))
{
case VT_I2:
case VT_I4:
case VT_R4:
case VT_R8:
case VT_CY:
case VT_DATE:
case VT_BSTR:
case VT_DISPATCH:
case VT_ERROR:
case VT_BOOL:
case VT_VARIANT:
case VT_UNKNOWN:
case VT_DECIMAL:
case VT_I1:
case VT_UI1:
case VT_UI2:
case VT_UI4:
case VT_I8:
case VT_UI8:
case VT_INT:
case VT_UINT:
case VT_USERDEFINED: // 13129
case VT_CARRAY:
//This is actually an LPSAFEARRAY pSafeArray.
if(vt & VT_BYREF)
{
*pOffset = BYREF_SAFEARRAY_TYPE_FS_OFFSET ;
}
else
{
*pOffset = SAFEARRAY_TYPE_FS_OFFSET ;
}
break;
case VT_INTERFACE:
offset = _offset;
hr = PushByte(FC_USER_MARSHAL);
if(FAILED(hr))
return hr;
hr = PushByte(USER_MARSHAL_UNIQUE | USER_MARSHAL_IID | 3);
if(FAILED(hr))
return hr;
hr = PushShort(2);
if(FAILED(hr))
return hr;
hr = PushShort(4);
if(FAILED(hr))
return hr;
hr = PushShort(0);
if(FAILED(hr))
return hr;
// yongqu: this offset doesn't really matter. In NdrpInitUserMarshalCB,
// pReserve is set to offset+10, pointing to the iid directly. In safearrayunmarshal,
// the iid is read from usermarshalinfo->pReserve. So this short value is never read
hr = PushOffset(SAFEARRAY_TYPE_FS_OFFSET); //LPSAFEARRAY * type offset
if(FAILED(hr))
return hr;
hr = PushIID(*piid);
if(FAILED(hr))
return hr;
*pOffset = offset;
break;
default:
hr = DISP_E_BADVARTYPE;
break;
}
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::GenStructFormatString
//
// Synopsis: generate type format string for a simple type member of a struct.
//
// Arguments: parainfo - parameter information
// pVarDesc - variable description.
// pOffset - Returns the type offset of the safe array.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::GenStructSimpleTypesFormatString(
IN PARAMINFO *parainfo,
IN VARDESC *pVarDesc,
OUT USHORT *TypeMemoryAlignment)
{
VARTYPE vtnoref = pVarDesc->elemdescVar.tdesc.vt & ~VT_BYREF;
HRESULT hr = S_OK;
NDR_ASSERT( vtnoref <= VT_VERSIONED_STREAM, "invalid vt");
if ( vtnoref > VT_VERSIONED_STREAM )
return DISP_E_BADVARTYPE;
BYTE FcElement = VT_FC_MAP[vtnoref];
*TypeMemoryAlignment = Alignment( VarMemInfo[vtnoref].MemoryAlignment, parainfo->cbAlignment );
PushByte( FcElement);
_uStructSize += VarMemInfo[vtnoref].MemorySize;
NDR_ASSERT( VarMemInfo[vtnoref].WireSize != 0, "invalid simple vartype");
if ( VarMemInfo[vtnoref].WireSize == 0 )
hr = DISP_E_BADVARTYPE;
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::AdjustTopLevelRef
//
// Synopsis: Adjust the top level multiple level pointer to
// FC_RP FC_ALLOCED_ON_STACK|FC_POINTER_DEREF
//
// Arguments: dwReq - basic alignment requirement of the member.
// dwMax - the alignment requirement of the struct.
//
//----------------------------------------------------------------------------
HRESULT CTypeGen::AdjustTopLevelRef(USHORT offset)
{
HRESULT hr;
hr = SetByte(offset,FC_RP);
if (SUCCEEDED(hr))
hr = SetByte(offset+1, FC_ALLOCED_ON_STACK|FC_POINTER_DEREF);
return hr;
}
//+---------------------------------------------------------------------------
//
// Method: CTypeGen::Alignment
//
// Synopsis: get the alignment info of a type and push FC_ALIGN when required.
//
// Arguments: dwReq - basic alignment requirement of the member.
// dwMax - the alignment requirement of the struct.
//
//----------------------------------------------------------------------------
USHORT CTypeGen::Alignment(DWORD dwReq,DWORD dwMax)
{
USHORT TypeAlignment = (USHORT)(dwReq > dwMax ? dwMax : dwReq);
if (_uStructSize & TypeAlignment)
{
LENGTH_ALIGN( _uStructSize, TypeAlignment );
switch (TypeAlignment)
{
case 1:
PushByte(FC_ALIGNM2);
break;
case 3:
PushByte(FC_ALIGNM4);
break;
case 7:
PushByte(FC_ALIGNM8);
break;
}
}
return TypeAlignment;
}
HRESULT CTypeGen::GrowTypeFormat(
USHORT cb)
{
HRESULT hr = S_OK;
//Check if we need to grow the type format string.
if((_offset + cb) >= _cbTypeFormat)
{
void *pTemp;
USHORT cbTemp;
cbTemp = _cbTypeFormat * 2;
pTemp = I_RpcAllocate(cbTemp);
if(pTemp != NULL)
{
//copy the memory
memcpy(pTemp, _pTypeFormat, _cbTypeFormat);
//free the old memory
if(_pTypeFormat != __MIDL_TypeFormatString.Format)
{
I_RpcFree((void *) _pTypeFormat);
}
_pTypeFormat = (PFORMAT_STRING) pTemp;
_cbTypeFormat = cbTemp;
}
else
{
hr = E_OUTOFMEMORY;
}
}
return hr;
}
HRESULT CTypeGen::PushByte(
IN byte b)
{
HRESULT hr;
hr = GrowTypeFormat(sizeof(b));
if(SUCCEEDED(hr))
{
*((BYTE *) &_pTypeFormat[_offset]) = b;
_offset += sizeof(b);
}
return hr;
}
HRESULT CTypeGen::PushShort(
IN USHORT s)
{
HRESULT hr;
hr = GrowTypeFormat(sizeof(s));
if(SUCCEEDED(hr))
{
*((UNALIGNED short *) &_pTypeFormat[_offset]) = s;
_offset += sizeof(s);
}
return hr;
}
HRESULT CTypeGen::PushLong(
IN ULONG s)
{
HRESULT hr;
hr = GrowTypeFormat(sizeof(s));
if(SUCCEEDED(hr))
{
*((UNALIGNED long *) &_pTypeFormat[_offset]) = s;
_offset += sizeof(s);
}
return hr;
}
HRESULT CTypeGen::PushOffset(
IN USHORT offset)
{
HRESULT hr;
hr = PushShort(offset - _offset);
return hr;
}
HRESULT CTypeGen::PushIID(
IN IID iid)
{
HRESULT hr;
hr = GrowTypeFormat(sizeof(IID));
if(SUCCEEDED(hr))
{
memcpy((void *)&_pTypeFormat[_offset], &iid, sizeof(IID));
_offset += sizeof(IID);
}
return hr;
}
HRESULT CTypeGen::SetShort(
IN USHORT offset,
IN USHORT data)
{
if (offset >= _offset)
return E_INVALIDARG;
*((UNALIGNED short *) &_pTypeFormat[offset]) = data;
return S_OK;
}
HRESULT CTypeGen::SetByte(
IN USHORT offset,
IN BYTE data)
{
if (offset >= _offset)
return E_INVALIDARG;
*((BYTE *) &_pTypeFormat[offset]) = data;
return S_OK;
}
HRESULT CTypeGen::GetShort(
IN USHORT offset,
OUT USHORT* data)
{
if (offset >= _offset)
return E_INVALIDARG;
*data = *((UNALIGNED short*)&_pTypeFormat[offset]);
return S_OK;
}
HRESULT CTypeGen::GetOffset(
IN USHORT addr,
OUT USHORT* poffset)
{
USHORT delta;
HRESULT hr;
hr = GetShort(addr,&delta);
if (FAILED(hr))
return hr;
*poffset = addr + (SHORT) delta;
// hr = GetShort(addr + (SHORT)delta,poffset);
return hr;
}
HRESULT CTypeGen::GetByte(
IN USHORT offset,
OUT BYTE* data)
{
if (offset >= _offset)
return E_INVALIDARG;
*data = *((BYTE *) &_pTypeFormat[offset]);
return S_OK;
}
ULONG __RPC_USER
BSTR_UserSize(ULONG * pFlags, ULONG Offset, BSTR * pBstr)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (UserMarshalRoutines[0].pfnBufferSize)(pFlags, Offset, pBstr);
}
BYTE * __RPC_USER
BSTR_UserMarshal (ULONG * pFlags, BYTE * pBuffer, BSTR * pBstr)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (UserMarshalRoutines[0].pfnMarshall)(pFlags, pBuffer, pBstr);
}
BYTE * __RPC_USER
BSTR_UserUnmarshal(ULONG * pFlags, BYTE * pBuffer, BSTR * pBstr)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (UserMarshalRoutines[0].pfnUnmarshall)(pFlags, pBuffer, pBstr);
}
void __RPC_USER
BSTR_UserFree(ULONG * pFlags, BSTR * pBstr)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
(UserMarshalRoutines[0].pfnFree)(pFlags, pBstr);
}
ULONG __RPC_USER
VARIANT_UserSize(ULONG * pFlags, ULONG Offset, VARIANT * pVariant)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (UserMarshalRoutines[1].pfnBufferSize)(pFlags, Offset, pVariant);
}
BYTE * __RPC_USER
VARIANT_UserMarshal (ULONG * pFlags, BYTE * pBuffer, VARIANT * pVariant)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (UserMarshalRoutines[1].pfnMarshall)(pFlags, pBuffer, pVariant);
}
BYTE * __RPC_USER
VARIANT_UserUnmarshal(ULONG * pFlags, BYTE * pBuffer, VARIANT * pVariant)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (UserMarshalRoutines[1].pfnUnmarshall)(pFlags, pBuffer, pVariant);
}
void __RPC_USER
VARIANT_UserFree(ULONG * pFlags, VARIANT * pVariant)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
(UserMarshalRoutines[1].pfnFree)(pFlags, pVariant);
}
ULONG __RPC_USER
LPSAFEARRAY_UserSize(ULONG * pFlags, ULONG Offset, LPSAFEARRAY * ppSafeArray)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (pfnLPSAFEARRAY_UserSize)(pFlags, Offset, ppSafeArray);
}
BYTE * __RPC_USER
LPSAFEARRAY_UserMarshal (ULONG * pFlags, BYTE * pBuffer, LPSAFEARRAY * ppSafeArray)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (pfnLPSAFEARRAY_UserMarshal)(pFlags, pBuffer, ppSafeArray);
}
BYTE * __RPC_USER
LPSAFEARRAY_UserUnmarshal(ULONG * pFlags, BYTE * pBuffer, LPSAFEARRAY * ppSafeArray)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
return (pfnLPSAFEARRAY_UserUnmarshal)(pFlags, pBuffer, ppSafeArray);
}
void __RPC_USER
LPSAFEARRAY_UserFree(ULONG * pFlags, LPSAFEARRAY * ppSafeArray)
{
HRESULT hr;
hr = NdrLoadOleAutomationRoutines();
if(FAILED(hr))
RpcRaiseException(hr);
(UserMarshalRoutines[2].pfnFree)(pFlags, ppSafeArray);
}
ULONG __RPC_USER
LPSAFEARRAY_Size(ULONG * pFlags, ULONG Offset, LPSAFEARRAY * ppSafeArray, const IID *piid)
{
HINSTANCE h;
void * pfnTemp;
//Load oleaut32.dll
if(0 == hOleAut32)
{
h = LoadLibraryA("OLEAUT32");
if(h != 0)
{
hOleAut32 = h;
}
else
{
RpcRaiseException(HRESULT_FROM_WIN32(GetLastError()));
}
}
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_Size");
if(pfnTemp != 0)
{
pfnLPSAFEARRAY_Size = (PFNSAFEARRAY_SIZE) pfnTemp;
}
else
{
RpcRaiseException(HRESULT_FROM_WIN32(GetLastError()));
}
return (pfnLPSAFEARRAY_Size)(pFlags, Offset, ppSafeArray, piid);
}
BYTE * __RPC_USER
LPSAFEARRAY_Marshal (ULONG * pFlags, BYTE * pBuffer, LPSAFEARRAY * ppSafeArray, const IID *piid)
{
HINSTANCE h;
void * pfnTemp;
//Load oleaut32.dll
if(0 == hOleAut32)
{
h = LoadLibraryA("OLEAUT32");
if(h != 0)
{
hOleAut32 = h;
}
else
{
RpcRaiseException(HRESULT_FROM_WIN32(GetLastError()));
}
}
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_Marshal");
if(pfnTemp != 0)
{
pfnLPSAFEARRAY_Marshal = (PFNSAFEARRAY_MARSHAL) pfnTemp;
}
else
{
RpcRaiseException(HRESULT_FROM_WIN32(GetLastError()));
}
return (pfnLPSAFEARRAY_Marshal)(pFlags, pBuffer, ppSafeArray, piid);
}
BYTE * __RPC_USER
LPSAFEARRAY_Unmarshal(ULONG * pFlags, BYTE * pBuffer, LPSAFEARRAY * ppSafeArray, const IID *piid)
{
HINSTANCE h;
void * pfnTemp;
//Load oleaut32.dll
if(0 == hOleAut32)
{
h = LoadLibraryA("OLEAUT32");
if(h != 0)
{
hOleAut32 = h;
}
else
{
RpcRaiseException(HRESULT_FROM_WIN32(GetLastError()));
}
}
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_Unmarshal");
if(pfnTemp != 0)
{
pfnLPSAFEARRAY_Unmarshal = (PFNSAFEARRAY_UNMARSHAL) pfnTemp;
}
else
{
RpcRaiseException(HRESULT_FROM_WIN32(GetLastError()));
}
return (pfnLPSAFEARRAY_Unmarshal)(pFlags, pBuffer, ppSafeArray, piid);
}
PFNSAFEARRAY_SIZE pfnLPSAFEARRAY_Size = LPSAFEARRAY_Size;
PFNSAFEARRAY_MARSHAL pfnLPSAFEARRAY_Marshal = LPSAFEARRAY_Marshal;
PFNSAFEARRAY_UNMARSHAL pfnLPSAFEARRAY_Unmarshal = LPSAFEARRAY_Unmarshal;
ULONG __RPC_USER
SafeArraySize(ULONG * pFlags, ULONG Offset, LPSAFEARRAY * ppSafeArray)
{
USER_MARSHAL_CB *pUserMarshal = (USER_MARSHAL_CB *) pFlags;
if(pUserMarshal->pReserve != 0)
{
IID iid;
memcpy(&iid, pUserMarshal->pReserve, sizeof(IID));
return (pfnLPSAFEARRAY_Size)(pFlags, Offset, ppSafeArray, &iid);
}
else
{
return (pfnLPSAFEARRAY_UserSize)(pFlags, Offset, ppSafeArray);
}
}
BYTE * __RPC_USER
SafeArrayMarshal (ULONG * pFlags, BYTE * pBuffer, LPSAFEARRAY * ppSafeArray)
{
USER_MARSHAL_CB *pUserMarshal = (USER_MARSHAL_CB *) pFlags;
if(pUserMarshal->pReserve != 0)
{
IID iid;
memcpy(&iid, pUserMarshal->pReserve, sizeof(IID));
return (pfnLPSAFEARRAY_Marshal)(pFlags, pBuffer, ppSafeArray, &iid);
}
else
{
return (pfnLPSAFEARRAY_UserMarshal)(pFlags, pBuffer, ppSafeArray);
}
}
BYTE * __RPC_USER
SafeArrayUnmarshal(ULONG * pFlags, BYTE * pBuffer, LPSAFEARRAY * ppSafeArray)
{
USER_MARSHAL_CB *pUserMarshal = (USER_MARSHAL_CB *) pFlags;
if(pUserMarshal->pReserve != 0)
{
IID iid;
memcpy(&iid, pUserMarshal->pReserve, sizeof(IID));
return (pfnLPSAFEARRAY_Unmarshal)(pFlags, pBuffer, ppSafeArray, &iid);
}
else
{
return (pfnLPSAFEARRAY_UserUnmarshal)(pFlags, pBuffer, ppSafeArray);
}
}
USER_MARSHAL_SIZING_ROUTINE
pfnLPSAFEARRAY_UserSize = (USER_MARSHAL_SIZING_ROUTINE) LPSAFEARRAY_UserSize;
USER_MARSHAL_MARSHALLING_ROUTINE
pfnLPSAFEARRAY_UserMarshal = (USER_MARSHAL_MARSHALLING_ROUTINE) LPSAFEARRAY_UserMarshal;
USER_MARSHAL_UNMARSHALLING_ROUTINE
pfnLPSAFEARRAY_UserUnmarshal = (USER_MARSHAL_UNMARSHALLING_ROUTINE) LPSAFEARRAY_UserUnmarshal;
USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[3] =
{
{
(USER_MARSHAL_SIZING_ROUTINE) BSTR_UserSize,
(USER_MARSHAL_MARSHALLING_ROUTINE) BSTR_UserMarshal,
(USER_MARSHAL_UNMARSHALLING_ROUTINE) BSTR_UserUnmarshal,
(USER_MARSHAL_FREEING_ROUTINE) BSTR_UserFree
},
{
(USER_MARSHAL_SIZING_ROUTINE) VARIANT_UserSize,
(USER_MARSHAL_MARSHALLING_ROUTINE) VARIANT_UserMarshal,
(USER_MARSHAL_UNMARSHALLING_ROUTINE) VARIANT_UserUnmarshal,
(USER_MARSHAL_FREEING_ROUTINE) VARIANT_UserFree
},
{
(USER_MARSHAL_SIZING_ROUTINE) SafeArraySize,
(USER_MARSHAL_MARSHALLING_ROUTINE) SafeArrayMarshal,
(USER_MARSHAL_UNMARSHALLING_ROUTINE) SafeArrayUnmarshal,
(USER_MARSHAL_FREEING_ROUTINE) LPSAFEARRAY_UserFree
}
};
HRESULT NdrLoadOleAutomationRoutines()
{
void * pfnTemp;
//Load oleaut32.dll
if(hOleAut32 == 0)
{
hOleAut32 = LoadLibraryA("OLEAUT32");
if(0 == hOleAut32)
return HRESULT_FROM_WIN32(GetLastError());
}
pfnTemp = GetProcAddress(hOleAut32, "BSTR_UserSize");
if(pfnTemp != 0)
UserMarshalRoutines[0].pfnBufferSize = (USER_MARSHAL_SIZING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "BSTR_UserMarshal");
if(pfnTemp != 0)
UserMarshalRoutines[0].pfnMarshall = (USER_MARSHAL_MARSHALLING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "BSTR_UserUnmarshal");
if(pfnTemp != 0)
UserMarshalRoutines[0].pfnUnmarshall = (USER_MARSHAL_UNMARSHALLING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "BSTR_UserFree");
if(pfnTemp != 0)
UserMarshalRoutines[0].pfnFree = (USER_MARSHAL_FREEING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "VARIANT_UserSize");
if(pfnTemp != 0)
UserMarshalRoutines[1].pfnBufferSize = (USER_MARSHAL_SIZING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "VARIANT_UserMarshal");
if(pfnTemp != 0)
UserMarshalRoutines[1].pfnMarshall = (USER_MARSHAL_MARSHALLING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "VARIANT_UserUnmarshal");
if(pfnTemp != 0)
UserMarshalRoutines[1].pfnUnmarshall = (USER_MARSHAL_UNMARSHALLING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "VARIANT_UserFree");
if(pfnTemp != 0)
UserMarshalRoutines[1].pfnFree = (USER_MARSHAL_FREEING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_UserSize");
if(pfnTemp != 0)
pfnLPSAFEARRAY_UserSize = (USER_MARSHAL_SIZING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_UserMarshal");
if(pfnTemp != 0)
pfnLPSAFEARRAY_UserMarshal = (USER_MARSHAL_MARSHALLING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_UserUnmarshal");
if(pfnTemp != 0)
pfnLPSAFEARRAY_UserUnmarshal = (USER_MARSHAL_UNMARSHALLING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
pfnTemp = GetProcAddress(hOleAut32, "LPSAFEARRAY_UserFree");
if(pfnTemp != 0)
UserMarshalRoutines[2].pfnFree = (USER_MARSHAL_FREEING_ROUTINE) pfnTemp;
else
return HRESULT_FROM_WIN32(GetLastError());
return S_OK; }