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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 com.android.loganalysis.parser;
import com.android.loganalysis.item.BatteryStatsDetailedInfoItem;
import com.android.loganalysis.item.BatteryUsageItem;
import com.android.loganalysis.item.InterruptItem;
import com.android.loganalysis.item.ProcessUsageItem;
import com.android.loganalysis.item.WakelockItem;
import com.android.loganalysis.util.NumberFormattingUtil;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* A {@link IParser} to parse the battery stats section of the bugreport
*/
public class BatteryStatsDetailedInfoParser extends AbstractSectionParser {
private static final String BATTERY_USAGE_SECTION_REGEX = "^\\s*Estimated power use \\(mAh\\):$";
private static final String KERNEL_WAKELOCK_SECTION_REGEX = "^\\s*All kernel wake locks:$";
private static final String PARTIAL_WAKELOCK_SECTION_REGEX = "^\\s*All partial wake locks:$";
private static final String INTERRUPT_SECTION_REGEX = "^\\s*All wakeup reasons:$";
private static final String PROCESS_USAGE_SECTION_REGEX = "^\\s*0:$";
/**
* Matches: Time on battery: 7h 45m 54s 332ms (98.3%) realtime, 4h 40m 51s 315ms (59.3%) uptime
*/
private static final Pattern TIME_ON_BATTERY_PATTERN = Pattern.compile(
"^\\s*Time on battery: (?:(\\d+)d)?\\s?(?:(\\d+)h)?\\s?(?:(\\d+)m)?\\s?(?:(\\d+)s)?" +
"\\s?(?:(\\d+)ms)?.*");
/**
* Matches:Time on battery screen off: 1d 4h 6m 16s 46ms (99.1%) realtime, 6h 37m 49s 201ms
*/
private static final Pattern SCREEN_OFF_TIME_PATTERN = Pattern.compile("^\\s*Time on battery "
+ "screen off: (?:(\\d+)d)?\\s?(?:(\\d+)h)?\\s?(?:(\\d+)m)?\\s?(?:(\\d+)s)?\\s?"
+ "(?:(\\d+)ms).*");
private BatteryUsageParser mBatteryUsageParser = new BatteryUsageParser();
private WakelockParser mWakelockParser = new WakelockParser();
private InterruptParser mInterruptParser = new InterruptParser();
private ProcessUsageParser mProcessUsageParser = new ProcessUsageParser();
private IParser mBatteryTimeParser = new IParser() {
@Override
public BatteryStatsDetailedInfoItem parse(List<String> lines) {
BatteryStatsDetailedInfoItem detailedInfo = null;
long timeOnBattery = 0, screenOffTime = 0;
Matcher m = null;
for (String line : lines) {
if (detailedInfo == null && !"".equals(line.trim())) {
detailedInfo = new BatteryStatsDetailedInfoItem();
}
m = TIME_ON_BATTERY_PATTERN.matcher(line);
if (m.matches()) {
timeOnBattery = NumberFormattingUtil.getMs(
NumberFormattingUtil.parseIntOrZero(m.group(1)),
NumberFormattingUtil.parseIntOrZero(m.group(2)),
NumberFormattingUtil.parseIntOrZero(m.group(3)),
NumberFormattingUtil.parseIntOrZero(m.group(4)),
NumberFormattingUtil.parseIntOrZero(m.group(5)));
detailedInfo.setTimeOnBattery(timeOnBattery);
} else {
m = SCREEN_OFF_TIME_PATTERN.matcher(line);
if (m.matches()) {
screenOffTime = NumberFormattingUtil.getMs(
NumberFormattingUtil.parseIntOrZero(m.group(1)),
NumberFormattingUtil.parseIntOrZero(m.group(2)),
NumberFormattingUtil.parseIntOrZero(m.group(3)),
NumberFormattingUtil.parseIntOrZero(m.group(4)),
NumberFormattingUtil.parseIntOrZero(m.group(5)));
detailedInfo.setScreenOnTime(getScreenOnTime(timeOnBattery, screenOffTime));
return detailedInfo;
}
}
}
return detailedInfo;
}
private long getScreenOnTime(long timeOnBattery, long screenOffTime) {
if (timeOnBattery > screenOffTime) {
return (timeOnBattery - screenOffTime);
}
return 0;
}
};
private BatteryStatsDetailedInfoItem mBatteryStatsDetailedInfoItem = null;
private boolean mParsedInput = false;
/**
* {@inheritDoc}
*
* @return The {@link BatteryStatsDetailedInfoItem}
*/
@Override
public BatteryStatsDetailedInfoItem parse(List<String> lines) {
setup();
for (String line : lines) {
if (!mParsedInput && !"".equals(line.trim())) {
mParsedInput = true;
}
parseLine(line);
}
commit();
return mBatteryStatsDetailedInfoItem;
}
/**
* Sets up the parser by adding the section parsers.
*/
protected void setup() {
setParser(mBatteryTimeParser);
addSectionParser(mBatteryUsageParser, BATTERY_USAGE_SECTION_REGEX);
addSectionParser(mWakelockParser, KERNEL_WAKELOCK_SECTION_REGEX);
addSectionParser(mWakelockParser, PARTIAL_WAKELOCK_SECTION_REGEX);
addSectionParser(mInterruptParser, INTERRUPT_SECTION_REGEX);
addSectionParser(mProcessUsageParser, PROCESS_USAGE_SECTION_REGEX);
}
/**
* Set the {@link BatteryStatsDetailedInfoItem}
*
*/
@Override
protected void onSwitchParser() {
if (mBatteryStatsDetailedInfoItem == null) {
mBatteryStatsDetailedInfoItem = (BatteryStatsDetailedInfoItem)
getSection(mBatteryTimeParser);
}
}
/**
* {@inheritDoc}
*/
@Override
protected void commit() {
// signal EOF
super.commit();
if (mParsedInput) {
if (mBatteryStatsDetailedInfoItem == null) {
mBatteryStatsDetailedInfoItem = new BatteryStatsDetailedInfoItem();
}
}
if (mBatteryStatsDetailedInfoItem != null) {
mBatteryStatsDetailedInfoItem.setBatteryUsageItem(
(BatteryUsageItem) getSection(mBatteryUsageParser));
mBatteryStatsDetailedInfoItem.setWakelockItem(
(WakelockItem) getSection(mWakelockParser));
mBatteryStatsDetailedInfoItem.setInterruptItem(
(InterruptItem) getSection(mInterruptParser));
mBatteryStatsDetailedInfoItem.setProcessUsageItem(
(ProcessUsageItem) getSection(mProcessUsageParser));
}
}
}
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