blob: 5d91e6845069a0a2fee3f9dc87d63d169848d3c3 [file] [log] [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMECAST_DEVICE_BLUETOOTH_LE_BLE_NOTIFICATION_LOGGER_H_
#define CHROMECAST_DEVICE_BLUETOOTH_LE_BLE_NOTIFICATION_LOGGER_H_
#include <map>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chromecast/device/bluetooth/le/gatt_client_manager.h"
namespace chromecast {
namespace bluetooth {
class BleNotificationLogger : public GattClientManager::Observer {
public:
static constexpr auto kMinLogInterval = base::Minutes(1);
explicit BleNotificationLogger(GattClientManager* gcm);
BleNotificationLogger(const BleNotificationLogger&) = delete;
BleNotificationLogger& operator=(const BleNotificationLogger&) = delete;
~BleNotificationLogger() override;
// GattClientManager::Observer implementation:
void OnCharacteristicNotification(
scoped_refptr<RemoteDevice> device,
scoped_refptr<RemoteCharacteristic> characteristic,
std::vector<uint8_t> value) override;
private:
using Addr = bluetooth_v2_shlib::Addr;
using Uuid = bluetooth_v2_shlib::Uuid;
void MaybeLogHistogramState();
SEQUENCE_CHECKER(sequence_checker_);
GattClientManager* const gcm_;
base::TimeTicks last_log_time_;
base::OneShotTimer log_timer_;
// Key: Device address, Value: Map[Key: Characteristic UUID, Value: count]
std::map<Addr, std::map<Uuid, int32_t>> device_to_char_uuid_to_count_;
base::WeakPtrFactory<BleNotificationLogger> weak_factory_;
};
} // namespace bluetooth
} // namespace chromecast
#endif // CHROMECAST_DEVICE_BLUETOOTH_LE_BLE_NOTIFICATION_LOGGER_H_