Move service into VM

runtime/bin/vmservice/running_isolates.dart

-// Copyright (c) 2013, 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 vmservice;
-
-class RunningIsolates implements MessageRouter {
-  final Map<int, RunningIsolate> isolates = new Map<int, RunningIsolate>();
-
-  RunningIsolates();
-
-  void isolateStartup(int portId, SendPort sp, String name) {
-    if (isolates[portId] != null) {
-      throw new StateError('Duplicate isolate startup.');
-    }
-    var ri = new RunningIsolate(portId, sp, name);
-    isolates[portId] = ri;
-  }
-
-  void isolateShutdown(int portId, SendPort sp) {
-    if (isolates[portId] == null) {
-      throw new StateError('Unknown isolate.');
-    }
-    isolates.remove(portId);
-  }
-
-  void _isolateCollectionRequest(Message message) {
-    var members = [];
-    var result = {};
-    isolates.forEach((portId, runningIsolate) {
-      members.add({
-        'type': 'Isolate',
-        'id': 'isolates/$portId',
-        'name': runningIsolate.name,
-        });
-    });
-    result['type'] = 'IsolateList';
-    result['members'] = members;
-    message.setResponse(JSON.encode(result));
-  }
-
-  Future<String> route(Message message) {
-    if (message.path.length == 0) {
-      message.setErrorResponse('No path.');
-      return message.response;
-    }
-    if (message.path[0] != 'isolates') {
-      message.setErrorResponse('Path must begin with /isolates/.');
-      return message.response;
-    }
-    if (message.path.length == 1) {
-      // Requesting list of running isolates.
-      _isolateCollectionRequest(message);
-      return message.response;
-    }
-    var isolateId;
-    try {
-      isolateId = int.parse(message.path[1]);
-    } catch (e) {
-      message.setErrorResponse('Could not parse isolate id: $e');
-      return message.response;
-    }
-    var isolate = isolates[isolateId];
-    if (isolate == null) {
-      message.setErrorResponse('Cannot find isolate id: $isolateId');
-      return message.response;
-    }
-    // Consume '/isolates/isolateId'
-    message.path.removeRange(0, 2);
-    if (message.path.length == 0) {
-      // The message now has an empty path.
-      message.setErrorResponse('Empty path for isolate: /isolates/$isolateId');
-      return message.response;
-    }
-    return isolate.route(message);
-  }
-}