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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 MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_
#define MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_
#include "base/macros.h"
#include "mojo/public/cpp/bindings/interface_id.h"
#include "mojo/public/cpp/bindings/lib/serialization_context.h"
#include "mojo/public/cpp/bindings/message.h"
namespace mojo {
class PipeControlMessageHandlerDelegate;
// Handler for messages defined in pipe_control_messages.mojom.
class PipeControlMessageHandler : public MessageReceiver {
public:
explicit PipeControlMessageHandler(
PipeControlMessageHandlerDelegate* delegate);
~PipeControlMessageHandler() override;
// Sets the description for this handler. Used only when reporting validation
// errors.
void SetDescription(const std::string& description);
// NOTE: |message| must have passed message header validation.
static bool IsPipeControlMessage(const Message* message);
// MessageReceiver implementation:
// NOTE: |message| must:
// - have passed message header validation; and
// - be a pipe control message (i.e., IsPipeControlMessage() returns true).
// If the method returns false, the message pipe should be closed.
bool Accept(Message* message) override;
private:
// |message| must have passed message header validation.
bool Validate(Message* message);
bool RunOrClosePipe(Message* message);
std::string description_;
PipeControlMessageHandlerDelegate* const delegate_;
internal::SerializationContext context_;
DISALLOW_COPY_AND_ASSIGN(PipeControlMessageHandler);
};
} // namespace mojo
#endif // MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_HANDLER_H_
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