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/*
* Copyright (C) 2014 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.media.tests;
import com.android.ddmlib.CollectingOutputReceiver;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.ITestInvocationListener;
import com.android.tradefed.result.TestDescription;
import com.android.tradefed.testtype.IDeviceTest;
import com.android.tradefed.testtype.IRemoteTest;
import com.android.tradefed.util.proto.TfMetricProtoUtil;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
* A harness that launches AudioJitter tool and reports result.
*/
public class AudioJitterTest implements IDeviceTest, IRemoteTest {
private static final String RUN_KEY = "audiojitter";
private static final long TIMEOUT_MS = 5 * 60 * 1000; // 5 min
private static final int MAX_ATTEMPTS = 3;
private static final Map<String, String> METRICS_KEY_MAP = createMetricsKeyMap();
private ITestDevice mDevice;
private static final String DEVICE_TEMPORARY_DIR_PATH = "/data/local/tmp/";
private static final String JITTER_BINARY_FILENAME = "sljitter";
private static final String JITTER_BINARY_DEVICE_PATH =
DEVICE_TEMPORARY_DIR_PATH + JITTER_BINARY_FILENAME;
private static Map<String, String> createMetricsKeyMap() {
Map<String, String> result = new HashMap<String, String>();
result.put("min_jitter_ticks", "min_jitter_ticks");
result.put("min_jitter_ms", "min_jitter_ms");
result.put("min_jitter_period_id", "min_jitter_period_id");
result.put("max_jitter_ticks", "max_jitter_ticks");
result.put("max_jitter_ms", "max_jitter_ms");
result.put("max_jitter_period_id", "max_jitter_period_id");
result.put("mark_jitter_ticks", "mark_jitter_ticks");
result.put("mark_jitter_ms", "mark_jitter_ms");
result.put("max_cb_done_delay_ms", "max_cb_done_delay_ms");
result.put("max_thread_delay_ms", "max_thread_delay_ms");
result.put("max_render_delay_ms", "max_render_delay_ms");
result.put("drift_rate", "drift_rate");
result.put("error_ms", "error_ms");
result.put("min_error_ms", "min_error_ms");
result.put("max_error_ms", "max_error_ms");
return Collections.unmodifiableMap(result);
}
/**
* {@inheritDoc}
*/
@Override
public void setDevice(ITestDevice device) {
mDevice = device;
}
/**
* {@inheritDoc}
*/
@Override
public ITestDevice getDevice() {
return mDevice;
}
/**
* {@inheritDoc}
*/
@Override
public void run(ITestInvocationListener listener) throws DeviceNotAvailableException {
TestDescription testId = new TestDescription(getClass().getCanonicalName(), RUN_KEY);
ITestDevice device = getDevice();
listener.testRunStarted(RUN_KEY, 0);
listener.testStarted(testId);
long testStartTime = System.currentTimeMillis();
Map<String, String> metrics = new HashMap<String, String>();
String errMsg = null;
// start jitter and wait for process to complete
CollectingOutputReceiver receiver = new CollectingOutputReceiver();
device.executeShellCommand(JITTER_BINARY_DEVICE_PATH, receiver,
TIMEOUT_MS, TimeUnit.MILLISECONDS, MAX_ATTEMPTS);
String resultStr = receiver.getOutput();
if (resultStr != null) {
// parse result
CLog.i("== Jitter result ==");
Map<String, String> jitterResult = parseResult(resultStr);
if (jitterResult == null) {
errMsg = "Failed to parse Jitter result.";
} else {
metrics = jitterResult;
}
} else {
errMsg = "Jitter result not found.";
}
if (errMsg != null) {
CLog.e(errMsg);
listener.testFailed(testId, errMsg);
listener.testEnded(testId, TfMetricProtoUtil.upgradeConvert(metrics));
listener.testRunFailed(errMsg);
} else {
long durationMs = System.currentTimeMillis() - testStartTime;
listener.testEnded(testId, TfMetricProtoUtil.upgradeConvert(metrics));
listener.testRunEnded(durationMs, TfMetricProtoUtil.upgradeConvert(metrics));
}
}
/**
* Parse Jitter result.
*
* @param result Jitter result output
* @return a {@link HashMap} that contains metrics keys and results
*/
private Map<String, String> parseResult(String result) {
Map<String, String> resultMap = new HashMap<String, String>();
String lines[] = result.split("\\r?\\n");
for (String line: lines) {
line = line.trim().replaceAll(" +", " ");
String[] tokens = line.split(" ");
if (tokens.length >= 2) {
String metricName = tokens[0];
String metricValue = tokens[1];
if (METRICS_KEY_MAP.containsKey(metricName)) {
CLog.i(String.format("%s: %s", metricName, metricValue));
resultMap.put(METRICS_KEY_MAP.get(metricName), metricValue);
}
}
}
return resultMap;
}
}
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