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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 IPC_MOJO_IPC_CHANNEL_MOJO_READERS_H_
#define IPC_MOJO_IPC_CHANNEL_MOJO_READERS_H_
#include <vector>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "ipc/mojo/ipc_message_pipe_reader.h"
#include "mojo/public/cpp/system/core.h"
namespace mojo {
namespace embedder {
struct ChannelInfo;
}
}
namespace IPC {
class ChannelMojo;
class Message;
namespace internal {
// A MessagePipeReader implementation for IPC::Message communication.
class MessageReader : public MessagePipeReader {
public:
MessageReader(mojo::ScopedMessagePipeHandle pipe, ChannelMojo* owner);
bool Send(scoped_ptr<Message> message);
// MessagePipeReader implementation
virtual void OnMessageReceived() OVERRIDE;
virtual void OnPipeClosed() OVERRIDE;
virtual void OnPipeError(MojoResult error) OVERRIDE;
private:
ChannelMojo* owner_;
DISALLOW_COPY_AND_ASSIGN(MessageReader);
};
// MessagePipeReader implementation for control messages.
// Actual message handling is implemented by sublcasses.
class ControlReader : public MessagePipeReader {
public:
ControlReader(mojo::ScopedMessagePipeHandle pipe, ChannelMojo* owner);
virtual bool Connect();
// MessagePipeReader implementation
virtual void OnPipeClosed() OVERRIDE;
virtual void OnPipeError(MojoResult error) OVERRIDE;
protected:
ChannelMojo* owner_;
DISALLOW_COPY_AND_ASSIGN(ControlReader);
};
// ControlReader for server-side ChannelMojo.
class ServerControlReader : public ControlReader {
public:
ServerControlReader(mojo::ScopedMessagePipeHandle pipe, ChannelMojo* owner);
virtual ~ServerControlReader();
// ControlReader override
virtual bool Connect() OVERRIDE;
// MessagePipeReader implementation
virtual void OnMessageReceived() OVERRIDE;
private:
MojoResult SendHelloRequest();
MojoResult RespondHelloResponse();
mojo::ScopedMessagePipeHandle message_pipe_;
DISALLOW_COPY_AND_ASSIGN(ServerControlReader);
};
// ControlReader for client-side ChannelMojo.
class ClientControlReader : public ControlReader {
public:
ClientControlReader(mojo::ScopedMessagePipeHandle pipe, ChannelMojo* owner);
// MessagePipeReader implementation
virtual void OnMessageReceived() OVERRIDE;
private:
MojoResult RespondHelloRequest(MojoHandle message_channel);
DISALLOW_COPY_AND_ASSIGN(ClientControlReader);
};
} // namespace internal
} // namespace IPC
#endif // IPC_MOJO_IPC_CHANNEL_MOJO_READERS_H_
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