hxsockcallback.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:5k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxsockcallback.h"
- ScheduledSocketCallback::ScheduledSocketCallback(
- SocketCallbackInterface *owner,
- BOOL interruptSafe) :
- m_lRefCount (0)
- ,m_pSocket (owner)
- ,m_Handle (0)
- ,m_Error(HXR_OK)
- ,m_bIsCallbackPending(FALSE)
- ,m_bInterruptSafe(interruptSafe)
- {
- }
- ScheduledSocketCallback::~ScheduledSocketCallback()
- {
- }
- /*
- * IUnknown methods
- */
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::QueryInterface
- // Purpose:
- // Implement this to export the interfaces supported by your
- // object.
- //
- STDMETHODIMP ScheduledSocketCallback::QueryInterface(REFIID riid, void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IHXCallback), (IHXCallback*)this },
- { GET_IIDHANDLE(IID_IHXInterruptSafe), (IHXInterruptSafe*)this },
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXCallback*)this },
- };
-
- return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::AddRef
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) ScheduledSocketCallback::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::Release
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) ScheduledSocketCallback::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- /*
- * UDPSchedulerCallback methods
- */
- STDMETHODIMP_(BOOL) ScheduledSocketCallback::ScheduleCallback(
- INT32 theCommand,
- IHXScheduler* theScheduler,
- ULONG32 theTime,
- HX_RESULT theError)
- {
- if (m_pSocket && theScheduler && !m_bIsCallbackPending)
- {
- m_bIsCallbackPending = TRUE;
- m_Command = theCommand;
- m_Error = theError;
- m_Handle = theScheduler->RelativeEnter(this, theTime);
- return TRUE;
- }
-
- return FALSE;
- }
- /*
- * UDPSchedulerCallback methods
- */
- void ScheduledSocketCallback::Unschedule(
- IHXScheduler* theScheduler)
- {
- if (m_bIsCallbackPending && theScheduler)
- {
- theScheduler->Remove(m_Handle);
- m_bIsCallbackPending = FALSE;
- m_Handle = 0;
- }
- }
- STDMETHODIMP ScheduledSocketCallback::Func(void)
- {
- HX_RESULT theErr = HXR_OK;
- m_Handle = 0;
- m_bIsCallbackPending = FALSE;
- if (m_pSocket)
- theErr = m_pSocket->HandleCallback(m_Command, m_Error);
- return theErr;
- }
- /*
- * IHXInterruptSafe methods
- */
- STDMETHODIMP_(BOOL)
- ScheduledSocketCallback::IsInterruptSafe(void)
- {
- return m_bInterruptSafe;
- }