| /* |
| * 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.ddmlib.testrunner.TestIdentifier; |
| 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.testtype.IDeviceTest; |
| import com.android.tradefed.testtype.IRemoteTest; |
| |
| 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 { |
| TestIdentifier testId = new TestIdentifier(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, metrics); |
| listener.testRunFailed(errMsg); |
| } else { |
| long durationMs = System.currentTimeMillis() - testStartTime; |
| listener.testEnded(testId, metrics); |
| listener.testRunEnded(durationMs, 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; |
| } |
| } |