66 lines
2 KiB
C++
66 lines
2 KiB
C++
//
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// Copyright (C) 2014 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef TRUNKS_TRUNKS_DBUS_PROXY_H_
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#define TRUNKS_TRUNKS_DBUS_PROXY_H_
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#include <string>
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#include <base/memory/weak_ptr.h>
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#include <base/threading/platform_thread.h>
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#include <dbus/bus.h>
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#include <dbus/object_proxy.h>
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#include "trunks/command_transceiver.h"
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#include "trunks/trunks_export.h"
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namespace trunks {
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// TrunksDBusProxy is a CommandTransceiver implementation that forwards all
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// commands to the trunksd D-Bus daemon. See TrunksDBusService for details on
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// how the commands are handled once they reach trunksd. A TrunksDBusProxy
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// instance must be used in only one thread.
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class TRUNKS_EXPORT TrunksDBusProxy : public CommandTransceiver {
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public:
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TrunksDBusProxy();
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~TrunksDBusProxy() override;
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// Initializes the D-Bus client. Returns true on success.
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bool Init() override;
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// CommandTransceiver methods.
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void SendCommand(const std::string& command,
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const ResponseCallback& callback) override;
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std::string SendCommandAndWait(const std::string& command) override;
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private:
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base::WeakPtr<TrunksDBusProxy> GetWeakPtr() {
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return weak_factory_.GetWeakPtr();
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}
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base::PlatformThreadId origin_thread_id_;
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scoped_refptr<dbus::Bus> bus_;
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dbus::ObjectProxy* object_proxy_;
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// Declared last so weak pointers are invalidated first on destruction.
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base::WeakPtrFactory<TrunksDBusProxy> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(TrunksDBusProxy);
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};
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} // namespace trunks
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#endif // TRUNKS_TRUNKS_DBUS_PROXY_H_
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