blob: a7995d2b0fcdd42677e0b9e47e08ba6a0188886b [file] [log] [blame]
// Copyright 2016 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.
#include <stdint.h>
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/process/process_handle.h"
#include "base/strings/string_piece.h"
#include "mojo/edk/embedder/platform_handle_vector.h"
#include "mojo/edk/embedder/scoped_platform_handle.h"
#include "mojo/edk/system/channel.h"
namespace mojo {
namespace edk {
// The BrokerHost is a channel to the child process, which services synchronous
// IPCs.
class BrokerHost : public Channel::Delegate,
public base::MessageLoop::DestructionObserver {
BrokerHost(base::ProcessHandle client_process, ScopedPlatformHandle handle);
// Send |handle| to the child, to be used to establish a NodeChannel to us.
bool SendChannel(ScopedPlatformHandle handle);
#if defined(OS_WIN)
// Sends a named channel to the child. Like above, but for named pipes.
void SendNamedChannel(const base::StringPiece16& pipe_name);
~BrokerHost() override;
bool PrepareHandlesForClient(PlatformHandleVector* handles);
// Channel::Delegate:
void OnChannelMessage(const void* payload,
size_t payload_size,
ScopedPlatformHandleVectorPtr handles) override;
void OnChannelError() override;
// base::MessageLoop::DestructionObserver:
void WillDestroyCurrentMessageLoop() override;
void OnBufferRequest(uint32_t num_bytes);
#if defined(OS_WIN)
base::ProcessHandle client_process_;
scoped_refptr<Channel> channel_;
} // namespace edk
} // namespace mojo