151 lines
4.1 KiB
C++
151 lines
4.1 KiB
C++
#pragma once
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/****************************************************************************
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Copyright (c) 2006, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "core/refcounted.h"
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#include "io/binaryreader.h"
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#include "io/binarywriter.h"
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#include "messaging/id.h"
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#include "threading/interlocked.h"
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#include "util/stringatom.h"
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//------------------------------------------------------------------------------
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/**
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Message Id macros.
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*/
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#define __DeclareMsgId \
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public:\
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static Messaging::Id Id; \
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virtual const Messaging::Id& GetId() const;\
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private:
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#define __ImplementMsgId(type) \
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Messaging::Id type::Id; \
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const Messaging::Id& type::GetId() const { return type::Id; }
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//------------------------------------------------------------------------------
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namespace Messaging
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{
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class MessageReader;
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class MessageWriter;
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class Port;
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class Message : public Core::RefCounted
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{
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__DeclareClass(Message);
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__DeclareMsgId;
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public:
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/// constructor
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Message();
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/// return true if message is of the given id
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bool CheckId(const Messaging::Id& id) const;
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/// encode message into a stream
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virtual void Encode(const GPtr<IO::BinaryWriter>& writer);
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/// decode message from a stream
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virtual void Decode(const GPtr<IO::BinaryReader>& reader);
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/// set the handled flag
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void SetHandled(bool b);
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/// return true if the message has been handled
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bool Handled() const;
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/// set deferred flag
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void SetDeferred(bool b);
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/// get deferred flag
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bool IsDeferred() const;
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/// set the deferred handled flag
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void SetDeferredHandled(bool b);
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/// get the deferred handled flag
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bool DeferredHandled() const;
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protected:
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volatile int handled;
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bool deferred;
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bool deferredHandled;
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};
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//------------------------------------------------------------------------------
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/**
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*/
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inline bool
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Message::CheckId(const Messaging::Id& id) const
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{
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return (id == this->GetId());
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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Message::SetHandled(bool b)
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{
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Threading::Interlocked::Exchange(&this->handled, (int)b);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline bool
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Message::Handled() const
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{
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return 0 != this->handled;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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Message::SetDeferred(bool b)
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{
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this->deferred = b;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline bool
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Message::IsDeferred() const
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{
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return this->deferred;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline void
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Message::SetDeferredHandled(bool b)
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{
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this->deferredHandled = b;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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inline bool
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Message::DeferredHandled() const
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{
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return this->deferredHandled;
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}
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} // namespace Messaging
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//------------------------------------------------------------------------------
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