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/
checkin_parse.go
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/
checkin_parse.go
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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package checkinparse contains functions to parse checkin report into batterystats proto.
package checkinparse
import (
"errors"
"fmt"
"math"
"reflect"
"sort"
"strconv"
"strings"
"time"
"github.com/golang/protobuf/proto"
"github.com/google/battery-historian/build"
"github.com/google/battery-historian/checkinutil"
"github.com/google/battery-historian/historianutils"
"github.com/google/battery-historian/packageutils"
"github.com/google/battery-historian/sliceparse"
bspb "github.com/google/battery-historian/pb/batterystats_proto"
sessionpb "github.com/google/battery-historian/pb/session_proto"
usagepb "github.com/google/battery-historian/pb/usagestats_proto"
)
const (
// minimum number of fields any type of battery stats have
minNumFields = 4
// Current range of supported/expected checkin versions.
minParseReportVersion = 11
maxParseReportVersion = 21
)
// Possible battery stats categories generated by on device java code.
const (
info = "i"
sinceCharged = "l" // SINCE_CHARGED: Since last charged: The only reliable value.
current = "c" // Deprecated
unplugged = "u" // Deprecated: SINCE_UNPLUGGED: Very unreliable and soon to be removed.
)
// String representations of categories the parsing code handles. Contains all
// categories defined in frameworks/base/core/java/android/os/BatteryStats.java
// unless explicitly stated.
const (
versionData = "vers"
uidData = "uid"
wakeupAlarmData = "wua"
apkData = "apk"
processData = "pr"
cpuData = "cpu"
sensorData = "sr"
vibratorData = "vib"
foregroundData = "fg"
stateTimeData = "st"
wakelockData = "wl"
syncData = "sy"
jobData = "jb"
kernelWakelockData = "kwl"
wakeupReasonData = "wr"
networkData = "nt"
userActivityData = "ua"
batteryData = "bt"
batteryDischargeData = "dc"
batteryLevelData = "lv"
globalWifiData = "gwfl"
globalWifiControllerData = "gwfcd"
wifiControllerData = "wfcd"
wifiData = "wfl"
bluetoothControllerData = "ble"
bluetoothMiscData = "blem"
globalBluetoothControllerData = "gble" // Previously globalBluetoothData
miscData = "m"
modemControllerData = "mcd"
globalModemControllerData = "gmcd"
globalNetworkData = "gn"
// HISTORY_STRING_POOL (hsp) is not included in the checkin log.
// HISTORY_DATA (h) is not included in the checkin log.
screenBrightnessData = "br"
signalStrengthTimeData = "sgt"
signalScanningTimeData = "sst"
signalStrengthCountData = "sgc"
dataConnectionTimeData = "dct"
dataConnectionCountData = "dcc"
wifiStateTimeData = "wst"
wifiStateCountData = "wsc"
wifiSupplStateTimeData = "wsst"
wifiSupplStateCountData = "wssc"
wifiSignalStrengthTimeData = "wsgt"
wifiSignalStrengthCountData = "wsgc"
bluetoothStateTimeData = "bst"
bluetoothStateCountData = "bsc"
powerUseSummaryData = "pws"
powerUseItemData = "pwi"
dischargeStepData = "dsd"
chargeStepData = "csd"
dischargeTimeRemainData = "dtr"
chargeTimeRemainData = "ctr"
flashlightData = "fla"
cameraData = "cam"
videoData = "vid"
audioData = "aud"
)
var (
powerUseItemNameMap = map[string]bspb.BatteryStats_System_PowerUseItem_Name{
"idle": bspb.BatteryStats_System_PowerUseItem_IDLE,
"cell": bspb.BatteryStats_System_PowerUseItem_CELL,
"phone": bspb.BatteryStats_System_PowerUseItem_PHONE,
"wifi": bspb.BatteryStats_System_PowerUseItem_WIFI,
"blue": bspb.BatteryStats_System_PowerUseItem_BLUETOOTH,
"scrn": bspb.BatteryStats_System_PowerUseItem_SCREEN,
"uid": bspb.BatteryStats_System_PowerUseItem_APP,
"user": bspb.BatteryStats_System_PowerUseItem_USER,
"unacc": bspb.BatteryStats_System_PowerUseItem_UNACCOUNTED,
"over": bspb.BatteryStats_System_PowerUseItem_OVERCOUNTED,
"???": bspb.BatteryStats_System_PowerUseItem_DEFAULT,
"flashlight": bspb.BatteryStats_System_PowerUseItem_FLASHLIGHT,
}
// sharedUIDLabelMap contains a mapping of known shared UID labels to predefined group names.
sharedUIDLabelMap = map[string]string{
"android.media": "MEDIA",
"android.uid.bluetooth": "BLUETOOTH",
"android.uid.nfc": "NFC",
"android.uid.phone": "RADIO", // Associated with UID 1001.
"android.uid.shared": "CONTACTS_PROVIDER", // "com.android.providers.contacts" is a prominent member of the UID group
"android.uid.shell": "SHELL",
"android.uid.system": "ANDROID_SYSTEM",
"android.uid.systemui": "SYSTEM_UI",
"com.google.android.calendar.uid.shared": "GOOGLE_CALENDAR",
"com.google.uid.shared": "GOOGLE_SERVICES",
}
// TODO: get rid of packageNameToSharedUIDMap
// Contains a mapping of known packages with their shared UIDs.
packageNameToSharedUIDMap = map[string]string{
// com.google.uid.shared
"com.google.android.apps.gtalkservice": "GOOGLE_SERVICES",
"com.google.android.backuptransport": "GOOGLE_SERVICES",
"com.google.android.gms": "GOOGLE_SERVICES",
"com.google.android.gms.car.userfeedback": "GOOGLE_SERVICES",
"com.google.android.googleapps": "GOOGLE_SERVICES",
"com.google.android.gsf": "GOOGLE_SERVICES",
"com.google.android.gsf.login": "GOOGLE_SERVICES",
"com.google.android.gsf.notouch": "GOOGLE_SERVICES",
"com.google.android.providers.gmail": "GOOGLE_SERVICES",
"com.google.android.sss.authbridge": "GOOGLE_SERVICES",
"com.google.gch.gateway": "GOOGLE_SERVICES",
// com.google.android.calendar.uid.shared
"com.android.calendar": "GOOGLE_CALENDAR",
"com.google.android.calendar": "GOOGLE_CALENDAR",
"com.google.android.syncadapters.calendar": "GOOGLE_CALENDAR",
// android.uid.system
"android": "ANDROID_SYSTEM",
"com.android.changesettings": "ANDROID_SYSTEM",
"com.android.inputdevices": "ANDROID_SYSTEM",
"com.android.keychain": "ANDROID_SYSTEM",
"com.android.location.fused": "ANDROID_SYSTEM",
"com.android.providers.settings": "ANDROID_SYSTEM",
"com.android.settings": "ANDROID_SYSTEM",
"com.google.android.canvas.settings": "ANDROID_SYSTEM",
"com.lge.SprintHiddenMenu": "ANDROID_SYSTEM",
"com.nvidia.tegraprofiler.security": "ANDROID_SYSTEM",
"com.qualcomm.atfwd": "ANDROID_SYSTEM",
"com.qualcomm.display": "ANDROID_SYSTEM",
// android.uid.phone, associated with UID 1001
"com.android.phone": "RADIO",
"com.android.providers.telephony": "RADIO",
"com.android.sdm.plugins.connmo": "RADIO",
"com.android.sdm.plugins.dcmo": "RADIO",
"com.android.sdm.plugins.sprintdm": "RADIO",
"com.htc.android.qxdm2sd": "RADIO",
"com.android.mms.service": "RADIO",
"com.android.server.telecom": "RADIO",
"com.android.sprint.lifetimedata": "RADIO",
"com.android.stk": "RADIO",
"com.motorola.service.ims": "RADIO",
"com.qualcomm.qti.imstestrunner": "RADIO",
"com.qualcomm.qti.rcsbootstraputil": "RADIO",
"com.qualcomm.qti.rcsimsbootstraputil": "RADIO",
"com.qualcomm.qcrilmsgtunnel": "RADIO",
"com.qualcomm.shutdownlistner": "RADIO",
"org.codeaurora.ims": "RADIO",
"com.asus.atcmd": "RADIO",
"com.mediatek.imeiwriter": "RADIO",
// android.uid.nfc
"com.android.nfc": "NFC",
"com.android.nfc3": "NFC",
"com.google.android.uiccwatchdog": "NFC",
// android.uid.shared
"com.android.contacts": "CONTACTS_PROVIDER",
"com.android.providers.applications": "CONTACTS_PROVIDER",
"com.android.providers.contacts": "CONTACTS_PROVIDER",
"com.android.providers.userdictionary": "CONTACTS_PROVIDER",
// android.media
"com.android.gallery": "MEDIA",
"com.android.providers.downloads": "MEDIA",
"com.android.providers.downloads.ui": "MEDIA",
"com.android.providers.drm": "MEDIA",
"com.android.providers.media": "MEDIA",
// android.uid.systemui
"com.android.keyguard": "SYSTEM_UI",
"com.android.systemui": "SYSTEM_UI",
// android.uid.bluetooth
"com.android.bluetooth": "BLUETOOTH",
// android.uid.shell
"com.android.shell": "SHELL",
}
// KnownUIDs lists all constant UIDs defined in system/core/include/private/android_filesystem_config.h.
// GIDs are excluded. These should never be renumbered.
KnownUIDs = map[int32]string{
0: "ROOT", // traditional unix root user
1000: "ANDROID_SYSTEM", // system server
1001: "RADIO", // telephony subsystem, RIL
1002: "BLUETOOTH", // bluetooth subsystem
1003: "GRAPHICS", // graphics devices
1004: "INPUT", // input devices
1005: "AUDIO", // audio devices
1006: "CAMERA", // camera devices
1007: "LOG", // log devices
1008: "COMPASS", // compass device
1009: "MOUNT", // mountd socket
1010: "WIFI", // wifi subsystem
1011: "ADB", // android debug bridge (adbd)
1012: "INSTALL", // group for installing packages
1013: "MEDIA", // mediaserver process
1014: "DHCP", // dhcp client
1015: "SDCARD_RW", // external storage write access
1016: "VPN", // vpn system
1017: "KEYSTORE", // keystore subsystem
1018: "USB", // USB devices
1019: "DRM", // DRM server
1020: "MDNSR", // MulticastDNSResponder (service discovery)
1021: "GPS", // GPS daemon
// 1022 is deprecated and unused
1023: "MEDIA_RW", // internal media storage write access
1024: "MTP", // MTP USB driver access
// 1025 is deprecated and unused
1026: "DRMRPC", // group for drm rpc
1027: "NFC", // nfc subsystem
1028: "SDCARD_R", // external storage read access
1029: "CLAT", // clat part of nat464
1030: "LOOP_RADIO", // loop radio devices
1031: "MEDIA_DRM", // MediaDrm plugins
1032: "PACKAGE_INFO", // access to installed package details
1033: "SDCARD_PICS", // external storage photos access
1034: "SDCARD_AV", // external storage audio/video access
1035: "SDCARD_ALL", // access all users external storage
1036: "LOGD", // log daemon
1037: "SHARED_RELRO", // creator of shared GNU RELRO files
1038: "DBUS", // dbus-daemon IPC broker process
1039: "TLSDATE", // tlsdate unprivileged user
1040: "MEDIA_EX", // mediaextractor process
1041: "AUDIOSERVER", // audioserver process
1042: "METRICS_COLL", // metrics_collector process
1043: "METRICSD", // metricsd process
1044: "WEBSERV", // webservd process
1045: "DEBUGGERD", // debuggerd unprivileged user
1046: "MEDIA_CODEC", // mediacodec process
1047: "CAMERASERVER", // cameraserver process
1048: "FIREWALL", // firewalld process
1049: "TRUNKS", // trunksd process (TPM daemon)
1050: "NVRAM", // Access-controlled NVRAM
1051: "DNS", // DNS resolution daemon (system: netd)
1052: "DNS_TETHER", // DNS resolution daemon (tether: dnsmasq)
1053: "WEBVIEW_ZYGOTE", // WebView zygote process
1054: "VEHICLE_NETWORK", // Vehicle network service
1055: "MEDIA_AUDIO", // GID for audio files on internal media storage
1056: "MEDIA_VIDEO", // GID for video files on internal media storage
1057: "MEDIA_IMAGE", // GID for image files on internal media storage
1058: "TOMBSTONED", // tombstoned user
1059: "MEDIA_OBB", // GID for OBB files on internal media storage
1060: "ESE", // embedded secure element (eSE) subsystem
1061: "OTA_UPDATE", // resource tracking UID for OTA updates
2000: "SHELL", // adb and debug shell user
2001: "CACHE", // cache access
2002: "DIAG", // access to diagnostic resources
// 2900-2999 is reserved for OEM
// The 3000 series are intended for use as supplemental group id's only.
// They indicate special Android capabilities that the kernel is aware of.
3001: "NET_BT_ADMIN", // bluetooth: create any socket
3002: "NET_BT", // bluetooth: create sco, rfcomm or l2cap sockets
3003: "INET", // can create AF_INET and AF_INET6 sockets
3004: "NET_RAW", // can create raw INET sockets
3005: "NET_ADMIN", // can configure interfaces and routing tables
3006: "NET_BW_STATS", // read bandwidth statistics
3007: "NET_BW_ACCT", // change bandwidth statistics accounting
3008: "NET_BT_STACK", // bluetooth: access config files
3009: "READPROC", // allow /proc read access
3010: "WAKELOCK", // allow system wakelock read/write access
// 5000-5999 is reserved for OEM
9997: "EVERYBODY", // shared between all apps in the same profile
9998: "MISC", // access to misc storage
9999: "NOBODY",
}
// BatteryStatsIDMap contains a list of all the fields in BatteryStats_* messages that are the IDs for the message.
BatteryStatsIDMap = map[reflect.Type]map[int]bool{
// App fields
reflect.TypeOf(&bspb.BatteryStats_App_Apk_Service{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_App_Process{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_App_ScheduledJob{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_App_Sensor{}): {
0: true, // number
},
reflect.TypeOf(&bspb.BatteryStats_App_Sync{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_App_UserActivity{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_App_Wakelock{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_App_WakeupAlarm{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_ControllerActivity_TxLevel{}): {
0: true, // level
},
// System fields
reflect.TypeOf(&bspb.BatteryStats_System_Battery{}): {
5: true, // start_clock_time_msec
},
reflect.TypeOf(&bspb.BatteryStats_System_BluetoothState{}): {
0: true, // name
},
// It doesn't make sense to diff ChargeStep fields.
reflect.TypeOf(&bspb.BatteryStats_System_DataConnection{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_KernelWakelock{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_PowerUseItem{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_PowerUseSummary{}): {
0: true, // battery_capacity_mah
},
reflect.TypeOf(&bspb.BatteryStats_System_ScreenBrightness{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_SignalStrength{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_WakeupReason{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_WifiSignalStrength{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_WifiSupplicantState{}): {
0: true, // name
},
reflect.TypeOf(&bspb.BatteryStats_System_WifiState{}): {
0: true, // name
},
}
)
// PackageUIDGroupName returns the predefined group name for the given package name.
// It will return an empty string if there is no predefined group name.
func PackageUIDGroupName(pkg string) string {
return packageNameToSharedUIDMap[pkg]
}
type stepData struct {
timeMsec float32
level float32
displayState *bspb.BatteryStats_System_DisplayState_State
powerSaveMode *bspb.BatteryStats_System_PowerSaveMode_Mode
idleMode *bspb.BatteryStats_System_IdleMode_Mode
}
// WakelockInfo is a data structure used to sort wakelocks by time or count.
type WakelockInfo struct {
Name string
UID int32
Duration time.Duration
MaxDuration time.Duration
TotalDuration time.Duration
Count float32
}
// byAbsTime sorts wakelock by absolute value of the time held.
type byAbsTime []*WakelockInfo
func (a byAbsTime) Len() int { return len(a) }
func (a byAbsTime) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
// sort by decreasing absolute value of time
func (a byAbsTime) Less(i, j int) bool {
x, y := a[i].Duration, a[j].Duration
return math.Abs(float64(x)) >= math.Abs(float64(y))
}
// SortByAbsTime ranks a slice of wakelocks by the absolute value of duration in desc order.
func SortByAbsTime(items []*WakelockInfo) {
sort.Sort(byAbsTime(items))
}
// byTime sorts wakelock by the time held.
type byTime []*WakelockInfo
func (a byTime) Len() int { return len(a) }
func (a byTime) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
// sort by decreasing time order then increasing alphabetic order to break the tie.
func (a byTime) Less(i, j int) bool {
if x, y := a[i].TotalDuration, a[j].TotalDuration; x != y {
return x > y
}
if x, y := a[i].Duration, a[j].Duration; x != y {
return x > y
}
return a[i].Name < a[j].Name
}
// byCount sorts wakelock by count.
type byCount []*WakelockInfo
func (a byCount) Len() int { return len(a) }
func (a byCount) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
// sort by decreasing time order then increasing alphabetic order to break the tie
func (a byCount) Less(i, j int) bool {
if x, y := a[i].Count, a[j].Count; x != y {
return x > y
}
return a[i].Name < a[j].Name
}
// SortByTime ranks a slice of wakelocks by duration.
func SortByTime(items []*WakelockInfo) {
sort.Sort(byTime(items))
}
// SortByCount ranks a slice of wakelocks by count.
func SortByCount(items []*WakelockInfo) {
sort.Sort(byCount(items))
}
// ParseBatteryStats parses the aggregated battery stats in checkin report
// according to frameworks/base/core/java/android/os/BatteryStats.java.
func ParseBatteryStats(pc checkinutil.Counter, cr *checkinutil.BatteryReport, pkgs []*usagepb.PackageInfo) (*bspb.BatteryStats, []string, []error) {
// Support a single version and single aggregation type in a checkin report.
var aggregationType bspb.BatteryStats_AggregationType
var allAppComputedPowerMah float32
apkSeen := make(map[apkID]bool)
p := &bspb.BatteryStats{}
p.System = &bspb.BatteryStats_System{}
reportVersion := int32(-1) // Default to -1 so we can tell if the report version was parsed from the report.
var warnings []string
uids, errs := parsePackageManager(pc, cr.RawBatteryStats, pkgs)
if len(errs) > 0 {
return nil, warnings, errs
}
for _, r := range cr.RawBatteryStats {
var rawUID int32
var rawAggregationType, section string
// The first element in r is '9', which used to be the report version but is now just there as a legacy field.
remaining, err := parseSlice(pc, "All", r[1:], &rawUID, &rawAggregationType, §ion)
if err != nil {
errs = append(errs, fmt.Errorf("error parsing entire line: %v", err))
continue
}
if section == uidData {
// uidData is parsed in the PackageManager function
continue
}
if section == versionData { // first line may contain version information in new format
if reportVersion != -1 {
errs = append(errs, fmt.Errorf("multiple %s lines encountered", versionData))
}
// e.g., 9,0,i,vers,15,135,MMB08I,MMB08K
if _, err := parseSlice(pc, versionData, remaining, &reportVersion); err != nil {
errs = append(errs, fmt.Errorf("error parsing version data: %v", err))
}
continue
}
switch rawAggregationType {
case sinceCharged:
aggregationType = bspb.BatteryStats_SINCE_CHARGED
case current:
aggregationType = bspb.BatteryStats_CURRENT
case unplugged:
aggregationType = bspb.BatteryStats_SINCE_UNPLUGGED
case info: // Not an aggregation type so nothing to do.
default:
errs = append(errs, fmt.Errorf("unsupported aggregation type %s", rawAggregationType))
return nil, warnings, errs
}
uid := packageutils.AppID(rawUID)
if uid == 0 {
// Some lines that are parsed will provide a uid of 0, even though 0 is not the
// correct uid for the relevant package.
// See if we can find an application to claim this.
pkg, err := packageutils.GuessPackage(strings.Join(remaining, ","), "", pkgs)
if err != nil {
errs = append(errs, err)
}
// Many applications will match with android, but we should already have the android
// UID in the map, so ignore if a package matches with android.
if pkg.GetPkgName() != "" && pkg.GetPkgName() != "android" {
uid = packageutils.AppID(pkg.GetUid())
}
}
stats, ok := uids[uid]
if !ok {
// Unexpected UID. Some packages are uploaded with a uid of 0 and so won't be found
// until we come across a case like this. Try to determine package from list.
// Passing an empty uid here because if we reach this case, then the uploaded package
// in the list has a uid of 0.
pkg, err := packageutils.GuessPackage(strings.Join(remaining, ","), "", pkgs)
if err != nil {
errs = append(errs, err)
}
if pkg.GetPkgName() != "" && pkg.GetPkgName() != "android" {
stats = &bspb.BatteryStats_App{
Name: pkg.PkgName,
Uid: proto.Int32(uid),
Child: []*bspb.BatteryStats_App_Child{
{
Name: pkg.PkgName,
VersionCode: pkg.VersionCode,
VersionName: pkg.VersionName,
},
},
}
uids[uid] = stats
} else {
if _, ok := KnownUIDs[uid]; !ok {
// We've already gone through the entire package list, and it's not a UID
// that we already know about, so log a warning.
if packageutils.IsSandboxedProcess(uid) {
warnings = append(warnings, fmt.Sprintf("found sandboxed uid for section %q", section))
} else {
warnings = append(warnings, fmt.Sprintf("found unexpected uid %d for section %q", uid, section))
}
}
stats = &bspb.BatteryStats_App{Uid: proto.Int32(uid)}
uids[uid] = stats
}
}
system := p.GetSystem()
// Parse csv lines according to
// frameworks/base/core/java/android/os/BatteryStats.java.
parsed, warn, csErrs := parseSection(pc, reportVersion, rawUID, section, remaining, stats, system, apkSeen, &allAppComputedPowerMah)
e := false
if e, warnings, errs = saveWarningsAndErrors(warnings, warn, errs, csErrs...); e {
return nil, warnings, errs
}
if !parsed {
warnings = append(warnings, fmt.Sprintf("unknown data category %s", section))
}
}
if reportVersion == -1 {
errs = append(errs, errors.New("no report version found"))
} else if reportVersion < minParseReportVersion {
errs = append(errs, fmt.Errorf("old report version %d", reportVersion))
} else if reportVersion > maxParseReportVersion {
warnings = append(warnings, fmt.Sprintf("newer report version %d found", reportVersion))
}
suidMap := make(map[int32]string)
for _, pkg := range pkgs {
if suid := pkg.GetSharedUserId(); suid != "" {
if s, ok := suidMap[pkg.GetUid()]; ok && s != suid {
errs = append(errs, fmt.Errorf("got UID %d with two different shared UID labels: %s and %s", pkg.GetUid(), s, suid))
continue
}
suidMap[pkg.GetUid()] = suid
}
}
processAppInfo(uids, suidMap)
// Copy uids to p.App.
for _, app := range uids {
aggregateAppApk(app)
p.App = append(p.App, app)
}
// Copy to p.System.
p.System.PowerUseItem = append(p.System.PowerUseItem,
&bspb.BatteryStats_System_PowerUseItem{
Name: bspb.BatteryStats_System_PowerUseItem_APP.Enum(),
ComputedPowerMah: proto.Float32(allAppComputedPowerMah),
})
if m := p.System.GetMisc(); m != nil {
// Screen off time is calculated by subtracting screen on time from total battery real time.
diff := p.System.GetBattery().GetBatteryRealtimeMsec() - m.GetScreenOnTimeMsec()
m.ScreenOffTimeMsec = proto.Float32(diff)
if diff < 0 {
errs = append(errs, fmt.Errorf("negative screen off time"))
}
}
p.ReportVersion = proto.Int32(reportVersion)
p.AggregationType = aggregationType.Enum()
p.StartTimeUsec = proto.Int64(p.System.GetBattery().GetStartClockTimeMsec() * 1000)
p.EndTimeUsec = proto.Int64(cr.TimeUsec)
gmsPkg, err := packageutils.GuessPackage("com.google.android.gms", "", pkgs)
if err != nil {
errs = append(errs, err)
}
if gmsPkg != nil {
p.GmsVersion = gmsPkg.VersionCode
}
p.Build = build.Build(cr.BuildID)
if p.GetBuild().GetType() == "user" {
for _, tag := range p.GetBuild().GetTags() {
if tag == "release-keys" {
p.IsUserRelease = proto.Bool(true)
break
}
}
}
p.DeviceGroup = cr.DeviceGroup
p.CheckinRule = cr.CheckinRule
p.Radio = proto.String(cr.Radio)
p.SdkVersion = proto.Int32(cr.SDKVersion)
p.Bootloader = proto.String(cr.Bootloader)
if cr.CellOperator != "" {
p.Carrier = proto.String(cr.CellOperator + "/" + cr.CountryCode)
}
p.CountryCode = proto.String(cr.CountryCode)
p.TimeZone = proto.String(cr.TimeZone)
postProcessBatteryStats(p)
return p, warnings, errs
}
// CreateBatteryReport creates a checkinutil.BatteryReport from the given
// sessionpb.Checkin.
func CreateBatteryReport(cp *sessionpb.Checkin) *checkinutil.BatteryReport {
return &checkinutil.BatteryReport{
TimeUsec: cp.GetBucketSnapshotMsec() * 1000,
TimeZone: cp.GetSystemInfo().GetTimeZone(),
AndroidID: cp.GetAndroidId(),
DeviceGroup: cp.Groups,
BuildID: cp.GetBuildFingerprint(),
Radio: cp.GetSystemInfo().GetBasebandRadio(),
Bootloader: cp.GetSystemInfo().GetBootloader(),
SDKVersion: cp.GetSystemInfo().GetSdkVersion(),
CellOperator: cp.GetSystemInfo().GetNetworkOperator(),
CountryCode: cp.GetSystemInfo().GetCountryCode(),
RawBatteryStats: extractCSV(cp.GetCheckin()),
}
}
// saveWarningsAndErrors appends new errors (ne) and new warnings (nw) to existing slices
// and returns true if new errors were added
func saveWarningsAndErrors(warnings []string, nw string, errors []error, ne ...error) (bool, []string, []error) {
newErr := false
for _, e := range ne {
if e != nil {
errors = append(errors, e)
newErr = true
}
}
if len(nw) > 0 {
warnings = append(warnings, nw)
}
return newErr, warnings, errors
}
// extractCSV extracts the checkin package information and last charged stats from the given input.
func extractCSV(input string) [][]string {
// bs contains since last charged stats, separated by line and comma
var bs [][]string
// we only use since charged data (ignore unplugged data)
for _, arr := range checkinutil.ParseCSV(input) {
if len(arr) < minNumFields {
continue
}
switch arr[2] {
case info, sinceCharged:
bs = append(bs, arr)
}
}
return bs
}
// parseSection parses known checkin sections and returns true if the section was parsed.
// The app and system protos are directly modified.
func parseSection(c checkinutil.Counter, reportVersion, rawUID int32, section string, record []string, app *bspb.BatteryStats_App, system *bspb.BatteryStats_System, apkSeen map[apkID]bool, allAppComputedPowerMah *float32) (bool, string, []error) {
switch section {
case apkData:
warn, errs := parseChildApk(c, record, app, apkSeen, rawUID)
return true, warn, errs
case audioData:
if app.GetAudio() == nil {
app.Audio = &bspb.BatteryStats_App_Audio{}
}
warn, errs := parseAndAccumulate(audioData, record, app.GetAudio())
return true, warn, errs
case batteryData:
warn, errs := SystemBattery(c, record, system)
return true, warn, errs
case batteryDischargeData:
warn, errs := parseSystemBatteryDischarge(c, record, system)
return true, warn, errs
case batteryLevelData:
warn, errs := parseSystemBatteryLevel(c, record, system)
return true, warn, errs
case bluetoothControllerData:
if app.GetBluetoothController() == nil {
d, err := parseControllerData(c, bluetoothControllerData, record)
if err != nil {
return true, "", []error{err}
}
app.BluetoothController = d
return true, "", nil
}
if err := parseAndAccumulateControllerData(c, bluetoothControllerData, record, app.BluetoothController); err != nil {
return true, "", []error{err}
}
return true, "", nil
case bluetoothMiscData:
if app.GetBluetoothMisc() == nil {
app.BluetoothMisc = &bspb.BatteryStats_App_BluetoothMisc{}
}
warn, errs := parseAndAccumulate(bluetoothMiscData, record, app.GetBluetoothMisc())
return true, warn, errs
case cameraData:
if app.GetCamera() == nil {
app.Camera = &bspb.BatteryStats_App_Camera{}
}
warn, errs := parseAndAccumulate(cameraData, record, app.GetCamera())
return true, warn, errs
case chargeStepData:
data, warn, err := parseStepData(record)
if err != nil {
return true, warn, []error{err}
}
system.ChargeStep = append(system.ChargeStep, &bspb.BatteryStats_System_ChargeStep{
TimeMsec: proto.Float32(data.timeMsec),
Level: proto.Float32(data.level),
DisplayState: data.displayState,
PowerSaveMode: data.powerSaveMode,
IdleMode: data.idleMode,
})
return true, warn, nil
case chargeTimeRemainData: // Current format: 9,0,i,ctr,18147528000
if system.ChargeTimeRemaining != nil {
c.Count("error-charge-time-remaining-exist", 1)
return true, "", []error{errors.New("charge time remaining field already exists")}
}
ctr := &bspb.BatteryStats_System_ChargeTimeRemaining{}
warn, errs := parseLine(chargeTimeRemainData, record, ctr)
if len(errs) == 0 {
system.ChargeTimeRemaining = ctr
}
return true, warn, errs
case cpuData:
if app.GetCpu() == nil {
app.Cpu = &bspb.BatteryStats_App_Cpu{}
}
warn, errs := parseAndAccumulate(cpuData, record, app.GetCpu())
return true, warn, errs
case dischargeStepData:
data, warn, err := parseStepData(record)
if err != nil {
return true, warn, []error{err}
}
system.DischargeStep = append(system.DischargeStep, &bspb.BatteryStats_System_DischargeStep{
TimeMsec: proto.Float32(data.timeMsec),
Level: proto.Float32(data.level),
DisplayState: data.displayState,
PowerSaveMode: data.powerSaveMode,
IdleMode: data.idleMode,
})
return true, warn, nil
case dischargeTimeRemainData: // Current format: 9,0,i,dtr,18147528000
if system.DischargeTimeRemaining != nil {
c.Count("error-discharge-time-remaining-exist", 1)
return true, "", []error{errors.New("discharge time remaining field already exists")}
}
dtr := &bspb.BatteryStats_System_DischargeTimeRemaining{}
warn, errs := parseLine(dischargeTimeRemainData, record, dtr)
if len(errs) == 0 {
system.DischargeTimeRemaining = dtr
}
return true, warn, errs
case flashlightData:
if app.GetFlashlight() == nil {
app.Flashlight = &bspb.BatteryStats_App_Flashlight{}
}
warn, errs := parseAndAccumulate(flashlightData, record, app.GetFlashlight())
return true, warn, errs
case foregroundData:
if app.GetForeground() == nil {
app.Foreground = &bspb.BatteryStats_App_Foreground{}
}
warn, errs := parseAndAccumulate(foregroundData, record, app.GetForeground())
return true, warn, errs
case globalBluetoothControllerData:
if reportVersion < 17 {
warn, errs := parseGlobalBluetooth(record, system)
return true, warn, errs
}
d, err := parseControllerData(c, globalBluetoothControllerData, record)
if err != nil {
return true, "", []error{err}
}
system.GlobalBluetoothController = d
return true, "", nil
case globalModemControllerData:
d, err := parseControllerData(c, globalModemControllerData, record)
if err != nil {
return true, "", []error{err}
}
system.GlobalModemController = d
return true, "", nil
case globalNetworkData:
warn, errs := parseGlobalNetwork(c, record, system)
return true, warn, errs
case globalWifiControllerData:
d, err := parseControllerData(c, globalWifiControllerData, record)
if err != nil {
return true, "", []error{err}
}
system.GlobalWifiController = d
return true, "", nil
case globalWifiData:
warn, errs := parseGlobalWifi(record, system)
return true, warn, errs
case jobData:
warn, errs := parseAppScheduledJob(record, app)
return true, warn, errs
case kernelWakelockData:
warn, errs := parseSystemKernelWakelock(record, system)
return true, warn, errs
case miscData:
warn, errs := parseSystemMisc(c, reportVersion, record, system)
return true, warn, errs
case modemControllerData:
if app.GetModemController() == nil {
d, err := parseControllerData(c, modemControllerData, record)
if err != nil {
return true, "", []error{err}
}
app.ModemController = d
return true, "", nil
}
if err := parseAndAccumulateControllerData(c, modemControllerData, record, app.ModemController); err != nil {
return true, "", []error{err}
}
return true, "", nil
case networkData:
warn, errs := parseAppNetwork(record, app)
return true, warn, errs
case powerUseItemData:
warn, err := parseAppSystemPowerUseItem(c, record, app, system, allAppComputedPowerMah)
if err != nil {
return true, warn, []error{err}
}
return true, warn, nil
case powerUseSummaryData:
warn, errs := parseSystemPowerUseSummary(c, record, system)
return true, warn, errs
case processData:
warn, errs := parseAppProcess(record, app)
return true, warn, errs
case screenBrightnessData:
err := parseSystemScreenBrightness(c, record, system)
if err != nil {
return true, "", []error{err}
}
return true, "", nil
case sensorData:
warn, errs := parseAppSensor(record, app)
return true, warn, errs
case signalScanningTimeData:
warn, errs := parseSystemSignalScanningTime(c, record, system)
return true, warn, errs
case stateTimeData:
warn, errs := parseAppStateTime(c, record, reportVersion, app)
return true, warn, errs
case syncData:
warn, errs := parseAppSync(record, app)
return true, warn, errs
case userActivityData:
if packageutils.AppID(rawUID) != 0 {
warn, err := parseAppUserActivity(record, app)
if err != nil {
return true, warn, []error{err}
}
return true, warn, nil
}
return true, "", nil
case vibratorData:
if app.GetVibrator() == nil {
app.Vibrator = &bspb.BatteryStats_App_Vibrator{}
}
warn, errs := parseAndAccumulate(vibratorData, record, app.GetVibrator())
return true, warn, errs
case videoData:
if app.GetVideo() == nil {
app.Video = &bspb.BatteryStats_App_Video{}
}
warn, errs := parseAndAccumulate(videoData, record, app.GetVideo())
return true, warn, errs
case wakelockData:
warn, err := parseAppWakelock(c, reportVersion, record, app)
if err != nil {
return true, warn, []error{err}
}
return true, warn, nil
case wakeupAlarmData:
warn, errs := parseAppWakeupAlarm(record, app)
return true, warn, errs
case wakeupReasonData:
warn, errs := parseSystemWakeupReason(record, system)
return true, warn, errs
case wifiControllerData:
if app.GetWifiController() == nil {
d, err := parseControllerData(c, wifiControllerData, record)
if err != nil {
return true, "", []error{err}
}
app.WifiController = d
return true, "", nil
}
err := parseAndAccumulateControllerData(c, wifiControllerData, record, app.WifiController)
if err != nil {
return true, "", []error{err}
}
return true, "", nil
case wifiData:
warn, errs := parseAppWifi(record, app)
return true, warn, errs
case signalStrengthTimeData, signalStrengthCountData, dataConnectionTimeData, dataConnectionCountData, wifiStateTimeData, wifiStateCountData, bluetoothStateTimeData, bluetoothStateCountData, wifiSupplStateTimeData, wifiSupplStateCountData, wifiSignalStrengthTimeData, wifiSignalStrengthCountData:
warn, err := parseSystemTimeCountPair(c, section, record, system)
if err != nil {
return true, warn, []error{err}
}
return true, warn, nil
default:
return false, "", nil
}
}
// postProcessBatteryStats handles processing and data population of special fields.
func postProcessBatteryStats(bs *bspb.BatteryStats) {