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// Copyright 2014 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 MOJO_EDK_SYSTEM_INCOMING_ENDPOINT_H_
#define MOJO_EDK_SYSTEM_INCOMING_ENDPOINT_H_
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/synchronization/lock.h"
#include "mojo/edk/system/channel_endpoint_client.h"
#include "mojo/edk/system/message_in_transit_queue.h"
#include "mojo/edk/system/system_impl_export.h"
namespace mojo {
namespace system {
class ChannelEndpoint;
class MessagePipe;
// This is a simple |ChannelEndpointClient| that only receives messages. It's
// used for endpoints that are "received" by |Channel|, but not yet turned into
// |MessagePipe|s.
class MOJO_SYSTEM_IMPL_EXPORT IncomingEndpoint : public ChannelEndpointClient {
public:
IncomingEndpoint();
// Must be called before any other method.
scoped_refptr<ChannelEndpoint> Init();
scoped_refptr<MessagePipe> ConvertToMessagePipe();
// Must be called before destroying this object if |ConvertToMessagePipe()|
// wasn't called (but |Init()| was).
void Close();
// |ChannelEndpointClient| methods:
bool OnReadMessage(unsigned port, MessageInTransit* message) override;
void OnDetachFromChannel(unsigned port) override;
private:
~IncomingEndpoint() override;
base::Lock lock_; // Protects the following members.
scoped_refptr<ChannelEndpoint> endpoint_;
MessageInTransitQueue message_queue_;
DISALLOW_COPY_AND_ASSIGN(IncomingEndpoint);
};
} // namespace system
} // namespace mojo
#endif // MOJO_EDK_SYSTEM_INCOMING_ENDPOINT_H_
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