89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
//
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// Copyright (C) 2016 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_BINDER_SERVICE_H_
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#define TRUNKS_TRUNKS_BINDER_SERVICE_H_
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#include <base/memory/weak_ptr.h>
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#include <brillo/binder_watcher.h>
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#include <brillo/daemons/daemon.h>
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#include "android/trunks/BnTrunks.h"
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#include "trunks/command_transceiver.h"
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namespace trunks {
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// TrunksBinderService registers for and handles all incoming binder calls for
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// the trunksd system daemon.
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//
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// Example Usage:
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//
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// TrunksBinderService service;
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// service.set_transceiver(&my_transceiver);
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// service.Run();
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class TrunksBinderService : public brillo::Daemon {
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public:
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TrunksBinderService() = default;
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~TrunksBinderService() override = default;
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// The |transceiver| will be the target of all incoming TPM commands. This
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// class does not take ownership of |transceiver|.
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void set_transceiver(CommandTransceiver* transceiver) {
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transceiver_ = transceiver;
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}
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protected:
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int OnInit() override;
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private:
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friend class BinderServiceInternal;
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class BinderServiceInternal : public android::trunks::BnTrunks {
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public:
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explicit BinderServiceInternal(TrunksBinderService* service);
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~BinderServiceInternal() override = default;
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// ITrunks interface.
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android::binder::Status SendCommand(
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const std::vector<uint8_t>& command,
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const android::sp<android::trunks::ITrunksClient>& client) override;
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android::binder::Status SendCommandAndWait(
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const std::vector<uint8_t>& command,
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std::vector<uint8_t>* response) override;
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private:
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void OnResponse(const android::sp<android::trunks::ITrunksClient>& client,
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const std::string& response);
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base::WeakPtr<BinderServiceInternal> GetWeakPtr() {
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return weak_factory_.GetWeakPtr();
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}
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TrunksBinderService* service_;
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// Declared last so weak pointers are invalidated first on destruction.
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base::WeakPtrFactory<BinderServiceInternal> weak_factory_{this};
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};
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CommandTransceiver* transceiver_ = nullptr;
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brillo::BinderWatcher watcher_;
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android::sp<BinderServiceInternal> binder_;
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DISALLOW_COPY_AND_ASSIGN(TrunksBinderService);
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};
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} // namespace trunks
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#endif // TRUNKS_TRUNKS_BINDER_SERVICE_H_
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