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 "statslog.h"
28 #include "stats_log_util.h"
29
30 using android::hardware::hidl_vec;
31 using android::hardware::health::V2_0::get_health_service;
32 using android::hardware::health::V2_0::HealthInfo;
33 using android::hardware::health::V2_0::IHealth;
34 using android::hardware::health::V2_0::Result;
35 using android::hardware::Return;
36 using android::hardware::Void;
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: 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 Return<void> ret = gHealthHal->getHealthInfo([&](Result r, HealthInfo v) {
71 if (r != Result::SUCCESS) {
72 result_success = false;
73 return;
74 }
75 if (mTagId == android::util::REMAINING_BATTERY_CAPACITY) {
76 auto ptr = make_shared<LogEvent>(android::util::REMAINING_BATTERY_CAPACITY,
77 wallClockTimestampNs, elapsedTimestampNs);
78 ptr->write(v.legacy.batteryChargeCounter);
79 ptr->init();
80 data->push_back(ptr);
81 } else if (mTagId == android::util::FULL_BATTERY_CAPACITY) {
82 auto ptr = make_shared<LogEvent>(android::util::FULL_BATTERY_CAPACITY,
83 wallClockTimestampNs, elapsedTimestampNs);
84 ptr->write(v.legacy.batteryFullCharge);
85 ptr->init();
86 data->push_back(ptr);
87 } else {
88 ALOGE("Unsupported tag in ResourceHealthManagerPuller: %d", mTagId);
89 }
90 });
91 if (!result_success || !ret.isOk()) {
92 ALOGE("getHealthHal() failed: health HAL service not available. Description: %s",
93 ret.description().c_str());
94 if (!ret.isOk() && ret.isDeadObject()) {
95 gHealthHal = nullptr;
96 }
97 return false;
98 }
99 return true;
100 }
101
102 } // namespace statsd
103 } // namespace os
104 } // namespace android
105