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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef HARDWARE_GOOGLE_PIXELSTATS_V1_0_PIXELSTATS_H
     18 #define HARDWARE_GOOGLE_PIXELSTATS_V1_0_PIXELSTATS_H
     19 
     20 #include <hardware/google/pixelstats/1.0/IPixelStats.h>
     21 #include <hidl/MQDescriptor.h>
     22 #include <hidl/Status.h>
     23 
     24 #include "RateLimiter.h"
     25 
     26 namespace hardware {
     27 namespace google {
     28 namespace pixelstats {
     29 namespace V1_0 {
     30 namespace implementation {
     31 
     32 using ::android::sp;
     33 using ::android::hardware::hidl_array;
     34 using ::android::hardware::hidl_memory;
     35 using ::android::hardware::hidl_string;
     36 using ::android::hardware::hidl_vec;
     37 using ::android::hardware::Return;
     38 using ::android::hardware::Void;
     39 
     40 
     41 struct PixelStats : public IPixelStats {
     42     PixelStats();
     43 
     44     // Methods from ::hardware::google::pixelstats::V1_0::IPixelStats follow.
     45     Return<void> reportUsbConnectorConnected() override;
     46     Return<void> reportUsbConnectorDisconnected(int32_t duration_millis) override;
     47     Return<void> reportUsbAudioConnected(int32_t vid, int32_t pid) override;
     48     Return<void> reportUsbAudioDisconnected(int32_t vid, int32_t pid,
     49                                             int32_t duration_millis) override;
     50     Return<void> reportSpeakerImpedance(int32_t speakerLocation, int32_t milliOhms) override;
     51     Return<void> reportHardwareFailed(HardwareType hardwareType, int32_t hardwareLocation,
     52                                       HardwareErrorCode errorCode) override;
     53     Return<void> reportPhysicalDropDetected(int32_t confidence, int32_t accelPeak,
     54                                             int32_t freefallDurationMs) override;
     55     Return<void> reportChargeCycles(const hidl_string& buckets) override;
     56     Return<void> reportBatteryHealthSnapshot(const BatteryHealthSnapshotArgs& args) override;
     57     Return<void> reportSlowIo(IoOperation operation, int32_t count) override;
     58     Return<void> reportBatteryCausedShutdown(int32_t voltageMicroV) override;
     59 
     60   private:
     61     // At most 150 events per day by default.
     62     static constexpr int32_t kDailyRatelimit = 150;
     63 
     64     // each action provides its own per-limit daily rate limit.
     65     bool rateLimit(int action, int actionLimit);
     66 
     67     RateLimiter limiter_;
     68 };
     69 
     70 }  // namespace implementation
     71 }  // namespace V1_0
     72 }  // namespace pixelstats
     73 }  // namespace google
     74 }  // namespace hardware
     75 
     76 #endif  // HARDWARE_GOOGLE_PIXELSTATS_V1_0_PIXELSTATS_H
     77