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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/HashMap.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/CString.h>
namespace IPC {
class Connection;
class Encoder;
class Decoder;
class MessageReceiver;
enum class ReceiverName : uint8_t;
class MessageReceiverMap {
public:
MessageReceiverMap();
~MessageReceiverMap();
void addMessageReceiver(ReceiverName, MessageReceiver&);
void addMessageReceiver(ReceiverName, uint64_t destinationID, MessageReceiver&);
void removeMessageReceiver(ReceiverName);
void removeMessageReceiver(ReceiverName, uint64_t destinationID);
void removeMessageReceiver(MessageReceiver&);
void invalidate();
bool dispatchMessage(Connection&, Decoder&);
bool dispatchSyncMessage(Connection&, Decoder&, UniqueRef<Encoder>&);
private:
// Message receivers that don't require a destination ID.
HashMap<ReceiverName, WeakPtr<MessageReceiver>, WTF::IntHash<ReceiverName>, WTF::StrongEnumHashTraits<ReceiverName>> m_globalMessageReceivers;
HashMap<std::pair<ReceiverName, uint64_t>, WeakPtr<MessageReceiver>, DefaultHash<std::pair<ReceiverName, uint64_t>>, PairHashTraits<WTF::StrongEnumHashTraits<ReceiverName>, HashTraits<uint64_t>>> m_messageReceivers;
};
};
namespace WTF {
template<typename T> struct DefaultHash;
template<> struct DefaultHash<IPC::ReceiverName> : IntHash<IPC::ReceiverName> { };
}
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