Stream blocks of timeline events over the service protocol

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of service;
 
 // Some value smaller than the object ring, so requesting a large array
 // doesn't result in an expired ref because the elements lapped it in the
 // object ring.
 const int kDefaultFieldLimit = 100;
@@ skipping 831 matching lines @@
     };
     return invokeRpc('streamCancel', params);
   }
 
   // A map from stream id to event stream state.
   Map<String,_EventStreamState> _eventStreams = {};
 
   // Well-known stream ids.
   static const kVMStream = 'VM';
   static const kIsolateStream = 'Isolate';
+  static const kTimelineStream = 'Timeline';
   static const kDebugStream = 'Debug';
   static const kGCStream = 'GC';
   static const kStdoutStream = 'Stdout';
   static const kStderrStream = 'Stderr';
   static const _kGraphStream = '_Graph';
 
   /// Returns a single-subscription Stream object for a VM event stream.
   Future<Stream> getEventStream(String streamId) async {
     var eventStream = _eventStreams.putIfAbsent(
         streamId, () => new _EventStreamState(
@@ skipping 986 matching lines @@
   @observable bool atAsyncSuspension;
   @observable ServiceObject inspectee;
   @observable ByteData data;
   @observable int count;
   @observable String reason;
   @observable String exceptions;
   @observable String bytesAsString;
   @observable Map logRecord;
   @observable String extensionKind;
   @observable Map extensionData;
+  @observable List timelineEvents;
 
   int chunkIndex, chunkCount, nodeCount;
 
   @observable bool get isPauseEvent {
     return (kind == kPauseStart ||
             kind == kPauseExit ||
             kind == kPauseBreakpoint ||
             kind == kPauseInterrupted ||
             kind == kPauseException);
   }
@@ skipping 57 matching lines @@
     if (map['logRecord'] != null) {
       logRecord = map['logRecord'];
       logRecord['time'] =
           new DateTime.fromMillisecondsSinceEpoch(logRecord['time']);
       logRecord['level'] = _findLogLevel(logRecord['level']);
     }
     if (map['extensionKind'] != null) {
       extensionKind = map['extensionKind'];
       extensionData = map['extensionData'];
     }
+    if (map['timelineEvents'] != null) {
+      timelineEvents = map['timelineEvents'];
+    }
   }
 
   String toString() {
     var ownerName = owner.id != null ? owner.id.toString() : owner.name;
     if (data == null) {
       return "ServiceEvent(owner='${ownerName}', kind='${kind}', "
           "time=${timestamp})";
     } else {
       return "ServiceEvent(owner='${ownerName}', kind='${kind}', "
           "data.lengthInBytes=${data.lengthInBytes}, time=${timestamp})";
@@ skipping 2066 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }