mirror of
https://github.com/kidfromjupiter/nearby.git
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125 lines
5.0 KiB
C++
125 lines
5.0 KiB
C++
// Copyright 2023 Google LLC
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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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// https://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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#ifndef THIRD_PARTY_NEARBY_FASTPAIR_PAIRING_FASTPAIR_FAST_PAIR_PAIRER_IMPL_H_
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#define THIRD_PARTY_NEARBY_FASTPAIR_PAIRING_FASTPAIR_FAST_PAIR_PAIRER_IMPL_H_
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#include <memory>
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#include <optional>
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#include <string>
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#include "fastpair/common/fast_pair_device.h"
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#include "fastpair/common/pair_failure.h"
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#include "fastpair/crypto/decrypted_passkey.h"
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#include "fastpair/handshake/fast_pair_gatt_service_client.h"
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#include "fastpair/handshake/fast_pair_handshake.h"
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#include "fastpair/internal/mediums/mediums.h"
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#include "fastpair/pairing/fastpair/fast_pair_pairer.h"
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#include "internal/account/account_manager.h"
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#include "internal/platform/bluetooth_classic.h"
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#include "internal/platform/single_thread_executor.h"
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#include "internal/platform/timer_impl.h"
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namespace nearby {
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namespace fastpair {
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class FastPairPairerImpl : public FastPairPairer {
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public:
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class Factory {
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public:
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static std::unique_ptr<FastPairPairer> Create(
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FastPairDevice& device, Mediums& medium, SingleThreadExecutor* executor,
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AccountManager* account_manager, OnPairedCallback on_paired_cb,
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OnPairingFailedCallback on_pair_failed_cb,
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OnAccountKeyFailureCallback on_account_failure_cb,
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OnPairingCompletedCallback on_pairing_completed_cb);
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static void SetFactoryForTesting(Factory* test_factory);
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protected:
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virtual ~Factory() = default;
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virtual std::unique_ptr<FastPairPairer> CreateInstance(
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FastPairDevice& device, Mediums& medium, SingleThreadExecutor* executor,
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AccountManager* account_manager, OnPairedCallback on_paired_cb,
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OnPairingFailedCallback on_pair_failed_cb,
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OnAccountKeyFailureCallback on_account_failure_cb,
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OnPairingCompletedCallback on_pairing_completed_cb) = 0;
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private:
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static Factory* g_test_factory_;
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};
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FastPairPairerImpl(FastPairDevice& device, Mediums& medium,
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SingleThreadExecutor* executor,
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AccountManager* account_manager,
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OnPairedCallback on_paired_cb,
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OnPairingFailedCallback on_pair_failed_cb,
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OnAccountKeyFailureCallback on_account_failure_cb,
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OnPairingCompletedCallback on_pairing_completed_cb);
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FastPairPairerImpl(const FastPairPairerImpl&) = delete;
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FastPairPairerImpl& operator=(const FastPairPairerImpl&) = delete;
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FastPairPairerImpl(FastPairPairerImpl&&) = delete;
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FastPairPairerImpl& operator=(FastPairPairerImpl&&) = delete;
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bool CancelPairing() override;
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bool IsPaired() override;
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void StartPairing() ABSL_EXCLUSIVE_LOCKS_REQUIRED(*executor_) override;
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private:
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void InitiatePairing();
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void ConfirmPasskey(api::PairingParams pairingParams);
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// FastPairGattServiceClient::WritePasskey callback
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void OnPasskeyResponse(absl::string_view response,
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std::optional<PairFailure> failure);
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// FastPairDataEncryptor::ParseDecryptedPasskey callback
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void OnParseDecryptedPasskey(std::optional<DecryptedPasskey> passkey);
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// Attempts to write account key to remote device
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void AttemptSendAccountKey() ABSL_EXCLUSIVE_LOCKS_REQUIRED(*executor_);
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void WriteAccountKey();
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// FastPairDataEncryptor::WriteAccountKey callback
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void OnWriteAccountKey(std::optional<AccountKey> account_key,
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std::optional<PairFailure> failure);
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// Notify the result of pairing and writing accoutkey.
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void NotifyPaired();
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void NotifyPairingFailed(PairFailure failure);
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void NotifyPairingCompleted();
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void NotifyAccountKeyFailure(PairFailure failure);
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std::string expected_passkey_;
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FastPairHandshake* fast_pair_handshake_;
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FastPairGattServiceClient* fast_pair_gatt_service_client_;
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std::unique_ptr<BluetoothPairing> bluetooth_pairing_;
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FastPairDevice& device_;
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Mediums& mediums_;
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SingleThreadExecutor* executor_;
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AccountManager* account_manager_;
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OnPairedCallback on_paired_cb_ ABSL_EXCLUSIVE_LOCKS_REQUIRED(*executor_);
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OnPairingFailedCallback on_pair_failed_cb_
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(*executor_);
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OnAccountKeyFailureCallback on_account_key_failure_cb_
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(*executor_);
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OnPairingCompletedCallback on_pairing_completed_cb_
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ABSL_EXCLUSIVE_LOCKS_REQUIRED(*executor_);
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TimerImpl initiate_pairing_timer_;
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std::unique_ptr<SingleThreadExecutor> pairing_job_;
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};
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} // namespace fastpair
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_FASTPAIR_PAIRING_FASTPAIR_FAST_PAIR_PAIRER_IMPL_H_
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