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 #define DEBUG false // STOPSHIP if true
18 #include "Log.h"
19
20 #include <android/hardware/health/2.0/IHealth.h>
21 #include <healthhalutils/HealthHalUtils.h>
22 #include "external/ResourceHealthManagerPuller.h"
23 #include "external/StatsPuller.h"
24
25 #include "ResourceHealthManagerPuller.h"
26 #include "logd/LogEvent.h"
27 #include "stats_log_util.h"
28 #include "statslog.h"
29
30 using android::hardware::hidl_vec;
31 using android::hardware::Return;
32 using android::hardware::Void;
33 using android::hardware::health::V2_0::get_health_service;
34 using android::hardware::health::V2_0::HealthInfo;
35 using android::hardware::health::V2_0::IHealth;
36 using android::hardware::health::V2_0::Result;
37
38 using std::make_shared;
39 using std::shared_ptr;
40
41 namespace android {
42 namespace os {
43 namespace statsd {
44
45 sp<android::hardware::health::V2_0::IHealth> gHealthHal = nullptr;
46
getHealthHal()47 bool getHealthHal() {
48 if (gHealthHal == nullptr) {
49 gHealthHal = get_health_service();
50 }
51 return gHealthHal != nullptr;
52 }
53
ResourceHealthManagerPuller(int tagId)54 ResourceHealthManagerPuller::ResourceHealthManagerPuller(int tagId) : StatsPuller(tagId) {
55 }
56
57 // TODO(b/110565992): add other health atoms (eg. Temperature).
PullInternal(vector<shared_ptr<LogEvent>> * data)58 bool ResourceHealthManagerPuller::PullInternal(vector<shared_ptr<LogEvent>>* data) {
59 if (!getHealthHal()) {
60 ALOGE("Health Hal not loaded");
61 return false;
62 }
63
64 int64_t wallClockTimestampNs = getWallClockNs();
65 int64_t elapsedTimestampNs = getElapsedRealtimeNs();
66
67 data->clear();
68 bool result_success = true;
69
70 // Get the data from the Health HAL (hardware/interfaces/health/1.0/types.hal).
71 Return<void> ret = gHealthHal->getHealthInfo([&](Result r, HealthInfo v) {
72 if (r != Result::SUCCESS) {
73 result_success = false;
74 return;
75 }
76 if (mTagId == android::util::REMAINING_BATTERY_CAPACITY) {
77 auto ptr = make_shared<LogEvent>(android::util::REMAINING_BATTERY_CAPACITY,
78 wallClockTimestampNs, elapsedTimestampNs);
79 ptr->write(v.legacy.batteryChargeCounter);
80 ptr->init();
81 data->push_back(ptr);
82 } else if (mTagId == android::util::FULL_BATTERY_CAPACITY) {
83 auto ptr = make_shared<LogEvent>(android::util::FULL_BATTERY_CAPACITY,
84 wallClockTimestampNs, elapsedTimestampNs);
85 ptr->write(v.legacy.batteryFullCharge);
86 ptr->init();
87 data->push_back(ptr);
88 } else if (mTagId == android::util::BATTERY_VOLTAGE) {
89 auto ptr = make_shared<LogEvent>(android::util::BATTERY_VOLTAGE, wallClockTimestampNs,
90 elapsedTimestampNs);
91 ptr->write(v.legacy.batteryVoltage);
92 ptr->init();
93 data->push_back(ptr);
94 } else if (mTagId == android::util::BATTERY_LEVEL) {
95 auto ptr = make_shared<LogEvent>(android::util::BATTERY_LEVEL, wallClockTimestampNs,
96 elapsedTimestampNs);
97 ptr->write(v.legacy.batteryLevel);
98 ptr->init();
99 data->push_back(ptr);
100 } else if (mTagId == android::util::BATTERY_CYCLE_COUNT) {
101 auto ptr = make_shared<LogEvent>(android::util::BATTERY_CYCLE_COUNT,
102 wallClockTimestampNs, elapsedTimestampNs);
103 ptr->write(v.legacy.batteryCycleCount);
104 ptr->init();
105 data->push_back(ptr);
106 } else {
107 ALOGE("Unsupported tag in ResourceHealthManagerPuller: %d", mTagId);
108 }
109 });
110 if (!result_success || !ret.isOk()) {
111 ALOGE("getHealthHal() failed: health HAL service not available. Description: %s",
112 ret.description().c_str());
113 if (!ret.isOk() && ret.isDeadObject()) {
114 gHealthHal = nullptr;
115 }
116 return false;
117 }
118 return true;
119 }
120
121 } // namespace statsd
122 } // namespace os
123 } // namespace android
124