diff --git a/telecomm/java/android/telecom/Log.java b/telecomm/java/android/telecom/Log.java index 6107895868300..640c9e12079b8 100644 --- a/telecomm/java/android/telecom/Log.java +++ b/telecomm/java/android/telecom/Log.java @@ -268,6 +268,23 @@ public class Log { } } + /** + * Dumps the events in a timeline format. + * @param pw The {@link IndentingPrintWriter} to write to. + * @hide + */ + public static void dumpEventsTimeline(IndentingPrintWriter pw) { + // If the Events logger has not been initialized, then there have been no events logged. + // Don't load it now! + synchronized (sSingletonSync) { + if (sEventManager != null) { + getEventManager().dumpEventsTimeline(pw); + } else { + pw.println("No Historical Events Logged."); + } + } + } + /** * Enable or disable extended telecom logging. * diff --git a/telecomm/java/android/telecom/Logging/EventManager.java b/telecomm/java/android/telecom/Logging/EventManager.java index 2cd1b968db775..fddbfcec001be 100644 --- a/telecomm/java/android/telecom/Logging/EventManager.java +++ b/telecomm/java/android/telecom/Logging/EventManager.java @@ -19,6 +19,7 @@ package android.telecom.Logging; import android.annotation.NonNull; import android.telecom.Log; import android.text.TextUtils; +import android.util.Pair; import com.android.internal.annotations.VisibleForTesting; import com.android.internal.util.IndentingPrintWriter; @@ -27,6 +28,7 @@ import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; +import java.util.Comparator; import java.util.Date; import java.util.HashMap; import java.util.IllegalFormatException; @@ -35,6 +37,7 @@ import java.util.List; import java.util.Locale; import java.util.Map; import java.util.concurrent.LinkedBlockingQueue; +import java.util.stream.Collectors; /** * A utility class that provides the ability to define Events that a subsystem deems important, and @@ -49,6 +52,7 @@ public class EventManager { public static final String TAG = "Logging.Events"; @VisibleForTesting public static final int DEFAULT_EVENTS_TO_CACHE = 10; // Arbitrarily chosen. + private final DateFormat sDateFormat = new SimpleDateFormat("HH:mm:ss.SSS"); public interface Loggable { /** @@ -169,7 +173,6 @@ public class EventManager { } } - private final DateFormat sDateFormat = new SimpleDateFormat("HH:mm:ss.SSS"); private final List mEvents = new LinkedList<>(); private final Loggable mRecordEntry; @@ -308,6 +311,41 @@ public class EventManager { pw.decreaseIndent(); } + /** + * Dumps events in a timeline format. + * @param pw The {@link IndentingPrintWriter} to output the timeline to. + * @hide + */ + public void dumpEventsTimeline(IndentingPrintWriter pw) { + pw.println("Historical Events (sorted by time):"); + + // Flatten event records out for sorting. + List> events = new ArrayList<>(); + for (EventRecord er : mEventRecords) { + for (Event ev : er.getEvents()) { + events.add(new Pair<>(er.getRecordEntry(), ev)); + } + } + + // Sort by event time. + Comparator> byEventTime = (e1, e2) -> { + return Long.compare(e1.second.time, e2.second.time); + }; + events.sort(byEventTime); + + pw.increaseIndent(); + for (Pair event : events) { + pw.print(sDateFormat.format(new Date(event.second.time))); + pw.print(","); + pw.print(event.first.getId()); + pw.print(","); + pw.print(event.second.eventId); + pw.print(","); + pw.println(event.second.data); + } + pw.decreaseIndent(); + } + public void changeEventCacheSize(int newSize) { // Resize the event queue.