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