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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BLIMP_NET_BLIMP_MESSAGE_DEMULTIPLEXER_H_
#define BLIMP_NET_BLIMP_MESSAGE_DEMULTIPLEXER_H_
#include <map>
#include "base/containers/small_map.h"
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "blimp/common/proto/blimp_message.pb.h"
#include "blimp/net/blimp_message_processor.h"
#include "blimp/net/blimp_net_export.h"
namespace blimp {
// Multiplexing BlimpMessageProcessor which routes BlimpMessages to message
// processors based on |message.type|.
// BlimpMessageDemultiplexer is created on the UI thread, and then used and
// destroyed on the IO thread.
class BLIMP_NET_EXPORT BlimpMessageDemultiplexer
: public BlimpMessageProcessor {
public:
BlimpMessageDemultiplexer();
~BlimpMessageDemultiplexer() override;
// Registers a message processor which will receive all messages
// of the |type| specified.
// Only one handler may be added per type.
//
// |handler| must be valid when ProcessMessage() is called.
void AddProcessor(BlimpMessage::Type type, BlimpMessageProcessor* handler);
// BlimpMessageProcessor implementation.
void ProcessMessage(scoped_ptr<BlimpMessage> message,
const net::CompletionCallback& callback) override;
private:
base::SmallMap<std::map<BlimpMessage::Type, BlimpMessageProcessor*>>
feature_receiver_map_;
DISALLOW_COPY_AND_ASSIGN(BlimpMessageDemultiplexer);
};
} // namespace blimp
#endif // BLIMP_NET_BLIMP_MESSAGE_DEMULTIPLEXER_H_
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