Sweden-Number/dlls/rpcrt4/ndr_midl.c

267 lines
9.3 KiB
C

/*
* MIDL proxy/stub stuff
*
* Copyright 2002 Ove Kåven, TransGaming Technologies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO:
* - figure out whether we *really* got this right
* - check for errors and throw exceptions
*/
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "objbase.h"
#include "rpcproxy.h"
#include "wine/debug.h"
#include "cpsf.h"
#include "ndr_misc.h"
#include "rpcndr.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/***********************************************************************
* NdrProxyInitialize [RPCRT4.@]
*/
void WINAPI NdrProxyInitialize(void *This,
PRPC_MESSAGE pRpcMsg,
PMIDL_STUB_MESSAGE pStubMsg,
PMIDL_STUB_DESC pStubDescriptor,
unsigned int ProcNum)
{
HRESULT hr;
TRACE("(%p,%p,%p,%p,%d)\n", This, pRpcMsg, pStubMsg, pStubDescriptor, ProcNum);
NdrClientInitializeNew(pRpcMsg, pStubMsg, pStubDescriptor, ProcNum);
if (This) StdProxy_GetChannel(This, &pStubMsg->pRpcChannelBuffer);
if (pStubMsg->pRpcChannelBuffer) {
hr = IRpcChannelBuffer_GetDestCtx(pStubMsg->pRpcChannelBuffer,
&pStubMsg->dwDestContext,
&pStubMsg->pvDestContext);
}
TRACE("channel=%p\n", pStubMsg->pRpcChannelBuffer);
}
/***********************************************************************
* NdrProxyGetBuffer [RPCRT4.@]
*/
void WINAPI NdrProxyGetBuffer(void *This,
PMIDL_STUB_MESSAGE pStubMsg)
{
HRESULT hr;
const IID *riid = NULL;
TRACE("(%p,%p)\n", This, pStubMsg);
pStubMsg->RpcMsg->BufferLength = pStubMsg->BufferLength;
pStubMsg->dwStubPhase = PROXY_GETBUFFER;
hr = StdProxy_GetIID(This, &riid);
hr = IRpcChannelBuffer_GetBuffer(pStubMsg->pRpcChannelBuffer,
(RPCOLEMESSAGE*)pStubMsg->RpcMsg,
riid);
pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
pStubMsg->Buffer = pStubMsg->BufferStart;
pStubMsg->dwStubPhase = PROXY_MARSHAL;
}
/***********************************************************************
* NdrProxySendReceive [RPCRT4.@]
*/
void WINAPI NdrProxySendReceive(void *This,
PMIDL_STUB_MESSAGE pStubMsg)
{
ULONG Status = 0;
HRESULT hr;
TRACE("(%p,%p)\n", This, pStubMsg);
pStubMsg->dwStubPhase = PROXY_SENDRECEIVE;
hr = IRpcChannelBuffer_SendReceive(pStubMsg->pRpcChannelBuffer,
(RPCOLEMESSAGE*)pStubMsg->RpcMsg,
&Status);
pStubMsg->dwStubPhase = PROXY_UNMARSHAL;
pStubMsg->BufferLength = pStubMsg->RpcMsg->BufferLength;
pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
pStubMsg->Buffer = pStubMsg->BufferStart;
}
/***********************************************************************
* NdrProxyFreeBuffer [RPCRT4.@]
*/
void WINAPI NdrProxyFreeBuffer(void *This,
PMIDL_STUB_MESSAGE pStubMsg)
{
HRESULT hr;
TRACE("(%p,%p)\n", This, pStubMsg);
hr = IRpcChannelBuffer_FreeBuffer(pStubMsg->pRpcChannelBuffer,
(RPCOLEMESSAGE*)pStubMsg->RpcMsg);
}
/***********************************************************************
* NdrStubInitialize [RPCRT4.@]
*/
void WINAPI NdrStubInitialize(PRPC_MESSAGE pRpcMsg,
PMIDL_STUB_MESSAGE pStubMsg,
PMIDL_STUB_DESC pStubDescriptor,
LPRPCCHANNELBUFFER pRpcChannelBuffer)
{
TRACE("(%p,%p,%p,%p)\n", pRpcMsg, pStubMsg, pStubDescriptor, pRpcChannelBuffer);
NdrServerInitializeNew(pRpcMsg, pStubMsg, pStubDescriptor);
pStubMsg->pRpcChannelBuffer = pRpcChannelBuffer;
}
/***********************************************************************
* NdrStubGetBuffer [RPCRT4.@]
*/
void WINAPI NdrStubGetBuffer(LPRPCSTUBBUFFER This,
LPRPCCHANNELBUFFER pRpcChannelBuffer,
PMIDL_STUB_MESSAGE pStubMsg)
{
TRACE("(%p,%p)\n", This, pStubMsg);
pStubMsg->pRpcChannelBuffer = pRpcChannelBuffer;
pStubMsg->RpcMsg->BufferLength = pStubMsg->BufferLength;
I_RpcGetBuffer(pStubMsg->RpcMsg); /* ? */
pStubMsg->BufferStart = pStubMsg->RpcMsg->Buffer;
pStubMsg->BufferEnd = pStubMsg->BufferStart + pStubMsg->BufferLength;
pStubMsg->Buffer = pStubMsg->BufferStart;
}
/************************************************************************
* NdrClientInitializeNew [RPCRT4.@]
*/
void WINAPI NdrClientInitializeNew( PRPC_MESSAGE pRpcMessage, PMIDL_STUB_MESSAGE pStubMsg,
PMIDL_STUB_DESC pStubDesc, unsigned int ProcNum )
{
TRACE("(pRpcMessage == ^%p, pStubMsg == ^%p, pStubDesc == ^%p, ProcNum == %d)\n",
pRpcMessage, pStubMsg, pStubDesc, ProcNum);
assert( pRpcMessage && pStubMsg && pStubDesc );
memset(pRpcMessage, 0, sizeof(RPC_MESSAGE));
memset(pStubMsg, 0, sizeof(MIDL_STUB_MESSAGE));
pStubMsg->ReuseBuffer = FALSE;
pStubMsg->IsClient = TRUE;
pStubMsg->StubDesc = pStubDesc;
pStubMsg->pfnAllocate = pStubDesc->pfnAllocate;
pStubMsg->pfnFree = pStubDesc->pfnFree;
pStubMsg->RpcMsg = pRpcMessage;
pRpcMessage->ProcNum = ProcNum;
pRpcMessage->RpcInterfaceInformation = pStubDesc->RpcInterfaceInformation;
}
/***********************************************************************
* NdrServerInitializeNew [RPCRT4.@]
*/
unsigned char* WINAPI NdrServerInitializeNew( PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg,
PMIDL_STUB_DESC pStubDesc )
{
TRACE("(pRpcMsg == ^%p, pStubMsg == ^%p, pStubDesc == ^%p)\n", pRpcMsg, pStubMsg, pStubDesc);
assert( pRpcMsg && pStubMsg && pStubDesc );
memset(pStubMsg, 0, sizeof(MIDL_STUB_MESSAGE));
pStubMsg->ReuseBuffer = TRUE;
pStubMsg->IsClient = FALSE;
pStubMsg->StubDesc = pStubDesc;
pStubMsg->pfnAllocate = pStubDesc->pfnAllocate;
pStubMsg->pfnFree = pStubDesc->pfnFree;
pStubMsg->RpcMsg = pRpcMsg;
pStubMsg->Buffer = pStubMsg->BufferStart = pRpcMsg->Buffer;
pStubMsg->BufferLength = pRpcMsg->BufferLength;
pStubMsg->BufferEnd = pStubMsg->Buffer + pStubMsg->BufferLength;
/* FIXME: determine the proper return value */
return NULL;
}
/***********************************************************************
* NdrGetBuffer [RPCRT4.@]
*/
unsigned char *WINAPI NdrGetBuffer(MIDL_STUB_MESSAGE *stubmsg, unsigned long buflen, RPC_BINDING_HANDLE handle)
{
TRACE("(stubmsg == ^%p, buflen == %lu, handle == %p): wild guess.\n", stubmsg, buflen, handle);
assert( stubmsg && stubmsg->RpcMsg );
/* I guess this is our chance to put the binding handle into the RPC_MESSAGE */
stubmsg->RpcMsg->Handle = handle;
stubmsg->RpcMsg->BufferLength = buflen;
if (I_RpcGetBuffer(stubmsg->RpcMsg) != S_OK)
return NULL;
stubmsg->Buffer = stubmsg->BufferStart = stubmsg->RpcMsg->Buffer;
stubmsg->BufferLength = stubmsg->RpcMsg->BufferLength;
stubmsg->BufferEnd = stubmsg->Buffer + stubmsg->BufferLength;
return (stubmsg->Buffer = (unsigned char *)stubmsg->RpcMsg->Buffer);
}
/***********************************************************************
* NdrFreeBuffer [RPCRT4.@]
*/
void WINAPI NdrFreeBuffer(MIDL_STUB_MESSAGE *pStubMsg)
{
TRACE("(pStubMsg == ^%p): wild guess.\n", pStubMsg);
I_RpcFreeBuffer(pStubMsg->RpcMsg);
pStubMsg->BufferLength = 0;
pStubMsg->Buffer = pStubMsg->BufferEnd = (unsigned char *)(pStubMsg->RpcMsg->Buffer = NULL);
}
/************************************************************************
* NdrSendReceive [RPCRT4.@]
*/
unsigned char *WINAPI NdrSendReceive( MIDL_STUB_MESSAGE *stubmsg, unsigned char *buffer )
{
TRACE("(stubmsg == ^%p, buffer == ^%p)\n", stubmsg, buffer);
/* FIXME: how to handle errors? (raise exception?) */
if (!stubmsg) {
ERR("NULL stub message. No action taken.\n");
return NULL;
}
if (!stubmsg->RpcMsg) {
ERR("RPC Message not present in stub message. No action taken.\n");
return NULL;
}
if (stubmsg->RpcMsg->Buffer != buffer) {
ERR("Ambiguous buffer doesn't match rpc message buffer. No action taken.\n");
return NULL;
}
/* not sure where MS does this; for now I'll stick it here */
stubmsg->RpcMsg->DataRepresentation = NDR_LOCAL_DATA_REPRESENTATION;
if (I_RpcSendReceive(stubmsg->RpcMsg) != RPC_S_OK) {
WARN("I_RpcSendReceive did not return success.\n");
}
/* FIXME: is this the right return value? */
return NULL;
}