reactos/dll/win32/rpcrt4/rpc_async.c
2018-03-04 23:49:21 +01:00

160 lines
4.7 KiB
C

/*
* Asynchronous Call Support Functions
*
* Copyright 2007 Robert Shearman (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#include <stdarg.h>
#include "rpc.h"
#include "rpcndr.h"
#include "rpcasync.h"
#include "wine/debug.h"
#include "rpc_binding.h"
#include "rpc_message.h"
#include "ndr_stubless.h"
WINE_DEFAULT_DEBUG_CHANNEL(rpc);
#define RPC_ASYNC_SIGNATURE 0x43595341
static inline BOOL valid_async_handle(PRPC_ASYNC_STATE pAsync)
{
return pAsync->Signature == RPC_ASYNC_SIGNATURE;
}
/***********************************************************************
* RpcAsyncInitializeHandle [RPCRT4.@]
*
* Initialises an asynchronous state so it can be used in other asynchronous
* functions and for use in asynchronous calls.
*
* PARAMS
* pAsync [I] Asynchronous state to initialise.
* Size [I] Size of the memory pointed to by pAsync.
*
* RETURNS
* Success: RPC_S_OK.
* Failure: Any error code.
*/
RPC_STATUS WINAPI RpcAsyncInitializeHandle(PRPC_ASYNC_STATE pAsync, unsigned int Size)
{
TRACE("(%p, %d)\n", pAsync, Size);
if (Size != sizeof(*pAsync))
{
ERR("invalid Size %d\n", Size);
return ERROR_INVALID_PARAMETER;
}
pAsync->Size = sizeof(*pAsync);
pAsync->Signature = RPC_ASYNC_SIGNATURE;
pAsync->Lock = 0;
pAsync->Flags = 0;
pAsync->StubInfo = NULL;
pAsync->RuntimeInfo = NULL;
memset(pAsync->Reserved, 0, sizeof(*pAsync) - FIELD_OFFSET(RPC_ASYNC_STATE, Reserved));
return RPC_S_OK;
}
/***********************************************************************
* RpcAsyncGetCallStatus [RPCRT4.@]
*
* Retrieves the current status of the asynchronous call taking place.
*
* PARAMS
* pAsync [I] Asynchronous state to initialise.
*
* RETURNS
* RPC_S_OK - The call was successfully completed.
* RPC_S_INVALID_ASYNC_HANDLE - The asynchronous structure is not valid.
* RPC_S_ASYNC_CALL_PENDING - The call is still in progress and has not been completed.
* Any other error code - The call failed.
*/
RPC_STATUS WINAPI RpcAsyncGetCallStatus(PRPC_ASYNC_STATE pAsync)
{
FIXME("(%p): stub\n", pAsync);
return RPC_S_INVALID_ASYNC_HANDLE;
}
/***********************************************************************
* RpcAsyncCompleteCall [RPCRT4.@]
*
* Completes a client or server asynchronous call.
*
* PARAMS
* pAsync [I] Asynchronous state to initialise.
* Reply [I] The return value of the asynchronous function.
*
* RETURNS
* Success: RPC_S_OK.
* Failure: Any error code.
*/
RPC_STATUS WINAPI RpcAsyncCompleteCall(PRPC_ASYNC_STATE pAsync, void *Reply)
{
TRACE("(%p, %p)\n", pAsync, Reply);
if (!valid_async_handle(pAsync))
return RPC_S_INVALID_ASYNC_HANDLE;
/* FIXME: check completed */
return NdrpCompleteAsyncClientCall(pAsync, Reply);
}
/***********************************************************************
* RpcAsyncAbortCall [RPCRT4.@]
*
* Aborts the asynchronous server call taking place.
*
* PARAMS
* pAsync [I] Asynchronous server state to abort.
* ExceptionCode [I] Exception code to return to the client in a fault packet.
*
* RETURNS
* Success: RPC_S_OK.
* Failure: Any error code.
*/
RPC_STATUS WINAPI RpcAsyncAbortCall(PRPC_ASYNC_STATE pAsync, ULONG ExceptionCode)
{
FIXME("(%p, %d/0x%x): stub\n", pAsync, ExceptionCode, ExceptionCode);
return RPC_S_INVALID_ASYNC_HANDLE;
}
/***********************************************************************
* RpcAsyncCancelCall [RPCRT4.@]
*
* Cancels the asynchronous client call taking place.
*
* PARAMS
* pAsync [I] Asynchronous client state to abort.
* fAbortCall [I] If TRUE, then send a cancel to the server, otherwise
* just wait for the call to complete.
*
* RETURNS
* Success: RPC_S_OK.
* Failure: Any error code.
*/
RPC_STATUS WINAPI RpcAsyncCancelCall(PRPC_ASYNC_STATE pAsync, BOOL fAbortCall)
{
FIXME("(%p, %s): stub\n", pAsync, fAbortCall ? "TRUE" : "FALSE");
return RPC_S_INVALID_ASYNC_HANDLE;
}