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66 lines
2.1 KiB
66 lines
2.1 KiB
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef IPC_IPC_MOJO_BOOTSTRAP_H_
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#define IPC_IPC_MOJO_BOOTSTRAP_H_
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#include <stdint.h>
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#include <memory>
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#include "base/component_export.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "base/single_thread_task_runner.h"
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#include "build/build_config.h"
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#include "ipc/ipc.mojom.h"
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#include "ipc/ipc_channel.h"
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#include "ipc/ipc_listener.h"
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#include "mojo/public/cpp/bindings/associated_group.h"
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#include "mojo/public/cpp/system/message_pipe.h"
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namespace IPC {
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// MojoBootstrap establishes a pair of associated interfaces between two
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// processes in Chrome.
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//
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// Clients should implement MojoBootstrap::Delegate to get the associated pipes
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// from MojoBootstrap object.
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//
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// This lives on IO thread other than Create(), which can be called from
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// UI thread as Channel::Create() can be.
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class COMPONENT_EXPORT(IPC) MojoBootstrap {
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public:
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virtual ~MojoBootstrap() {}
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// Create the MojoBootstrap instance, using |handle| as the message pipe, in
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// mode as specified by |mode|. The result is passed to |delegate|.
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static std::unique_ptr<MojoBootstrap> Create(
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mojo::ScopedMessagePipeHandle handle,
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Channel::Mode mode,
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const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner,
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const scoped_refptr<base::SingleThreadTaskRunner>& proxy_task_runner);
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// Start the handshake over the underlying message pipe.
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virtual void Connect(mojom::ChannelAssociatedPtr* sender,
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mojom::ChannelAssociatedRequest* receiver) = 0;
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// Stop transmitting messages and start queueing them instead.
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virtual void Pause() = 0;
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// Stop queuing new messages and start transmitting them instead.
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virtual void Unpause() = 0;
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// Flush outgoing messages which were queued before Start().
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virtual void Flush() = 0;
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virtual mojo::AssociatedGroup* GetAssociatedGroup() = 0;
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enum { kMaxOutgoingMessagesSizeForTesting = 100000u };
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};
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} // namespace IPC
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#endif // IPC_IPC_MOJO_BOOTSTRAP_H_
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