Add websocket data receiving

Very buggy early tests

app/adapters/simulation-data.js

@@ -0,0 +1,108 @@
+/**
+ * File: simulation-data.js
+ * Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
+ * Date: 20.07.2016
+ * Copyright: 2016, Institute for Automation of Complex Power Systems, EONERC
+ *   This file is part of VILLASweb. All Rights Reserved. Proprietary and confidential.
+ *   Unauthorized copying of this file, via any medium is strictly prohibited.
+ **********************************************************************************/
+
+import Ember from 'ember';
+import DS from 'ember-data';
+import ENV from '../config/environment';
+
+export default DS.Adapter.extend({
+  host: 'ws://' + ENV.APP.LIVE_HOST,
+  namespace: '',
+
+  socket: null,
+
+  findRecord(store, type, id, snapshot) {
+    this._init();
+
+    return new Ember.RSVP.Promise(function(resolve, reject) {
+      //reject(new Error('no record'));
+      reject();
+    });
+  },
+
+  _init() {
+    if (this.socket === null) {
+      // create new websocket
+      this.socket = new WebSocket(this.host + this.namespace);
+      this.socket.binaryType = 'arraybuffer';
+
+      // register event callbacks
+      var self = this;
+      this.socket.onopen = function(event) {
+        self.open.apply(self, [event]);
+      };
+
+      this.socket.onmessage = function(event) {
+        self.message.apply(self, [event]);
+      };
+
+      this.socket.onerror = function(event) {
+        self.error.apply(self, [event]);
+      };
+
+      this.socket.onclose = function(event) {
+        self.close.apply(self, [event]);
+      };
+    }
+  },
+
+  open(event) {
+    Ember.debug('websocket opened');
+  },
+
+  close(event) {
+    Ember.debug('websocket closed: ' + event.code);
+  },
+
+  message(event) {
+    // read the message into JSON
+    var message = this._messageToJSON(event.data);
+    var id = 0;
+
+    var simulationData = this.store.peekRecord('simulation-data', id);
+    if (simulationData != null) {
+      simulationData.set('sequence', message.sequence);
+      simulationData.set('values', message.values);
+    } else {
+      this.store.createRecord('simulation-data', {
+        sequence: message.sequence,
+        values: message.values,
+        id: id
+      });
+    }
+  },
+
+  error(err) {
+    Ember.debug('websocket error');
+  },
+
+  _messageToJSON(blob) {
+    var data = new DataView(blob);
+
+    let OFFSET_ENDIAN = 1;
+    let OFFSET_TYPE = 2;
+    let OFFSET_VERSION = 4;
+
+    var bits = data.getUint8(0);
+    var endian = (bits >> OFFSET_ENDIAN) & 0x1 ? 0 : 1;
+    var length = data.getUint16(0x02, endian);
+
+    var values = new Float32Array(data.buffer, data.byteOffset + 0x10, length);
+
+    return {
+      endian: endian,
+      version: (bits >> OFFSET_VERSION) & 0xF,
+      type: (bits >> OFFSET_TYPE) & 0x3,
+      length: length,
+      sequence: data.getUint32(0x04, endian),
+      timestamp: data.getUint32(0x08, endian) * 1e3 + data.getUint32(0x0C, endian) * 1e-6,
+      values: values
+    };
+  }
+});

app/models/simulation-data.js

@@ -0,0 +1,18 @@
+/**
+ * File: simulation-data.js
+ * Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
+ * Date: 20.07.2016
+ * Copyright: 2016, Institute for Automation of Complex Power Systems, EONERC
+ *   This file is part of VILLASweb. All Rights Reserved. Proprietary and confidential.
+ *   Unauthorized copying of this file, via any medium is strictly prohibited.
+ **********************************************************************************/
+
+import Model from 'ember-data/model';
+import attr from 'ember-data/attr';
+// import { belongsTo, hasMany } from 'ember-data/relationships';
+
+export default Model.extend({
+  simulator: attr('number'),
+  sequence: attr('number'),
+  values: attr('array')
+});

app/routes/simulation-model/edit.js

@@ -1,4 +1,7 @@
 import Ember from 'ember';
 
 export default Ember.Route.extend({
+  /*model() {
+    return this.store.findRecord('simulation-data', 0);
+  }*/
 });

app/routes/simulation-model/index.js

@@ -1,4 +1,17 @@
-import Ember from 'ember';
+/**
+ * File: index.js
+ * Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
+ * Date: 20.07.2016
+ * Copyright: 2016, Institute for Automation of Complex Power Systems, EONERC
+ *   This file is part of VILLASweb. All Rights Reserved. Proprietary and confidential.
+ *   Unauthorized copying of this file, via any medium is strictly prohibited.
+ **********************************************************************************/
 
-export default Ember.Route.extend({
+import Ember from 'ember';
+import AuthenticatedRouteMixin from 'ember-simple-auth/mixins/authenticated-route-mixin';
+
+export default Ember.Route.extend(AuthenticatedRouteMixin, {
+  model(params) {
+    return this.store.findRecord('simulation-model', params.modelid);
+  }
 });

app/serializers/simulation-data.js

@@ -0,0 +1,23 @@
+/**
+ * File: simulation-data.js
+ * Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
+ * Date: 20.07.2016
+ * Copyright: 2016, Institute for Automation of Complex Power Systems, EONERC
+ *   This file is part of VILLASweb. All Rights Reserved. Proprietary and confidential.
+ *   Unauthorized copying of this file, via any medium is strictly prohibited.
+ **********************************************************************************/
+
+import Ember from 'ember';
+import DS from 'ember-data';
+
+export default DS.Serializer.extend({
+  normalizeResponse(store, primaryModelClass, payload, id, requestType) {
+    console.log('normalizeResponse');
+    return {};
+  },
+
+  serialize(record, options) {
+    console.log('serialize');
+    return null;
+  }
+});

app/templates/simulation-model/edit.hbs

@@ -1 +1 @@
-{{outlet}}
+

app/templates/simulation-model/index.hbs

@@ -1 +1,9 @@
-{{outlet}}
+<h1>{{model.name}}</h1>
+
+<p>
+  Running: {{#if model.running}}
+    true
+  {{else}}
+    false
+  {{/if}}
+</p>

app/transforms/array.js

@@ -0,0 +1,20 @@
+import Ember from 'ember';
+import Transform from 'ember-data/transform';
+
+export default Transform.extend({
+  deserialize(serialized) {
+    if (Ember.isArray(serialized)) {
+      return serialized;
+    } else {
+      return [];
+    }
+  },
+
+  serialize(deserialized) {
+    if (Ember.isArray(deserialized)) {
+      return deserialized;
+    } else {
+      return [];
+    }
+  }
+});

config/environment.js

@@ -14,7 +14,8 @@ module.exports = function(environment) {
     },
 
     APP: {
-      API_HOST: 'localhost:3000'
+      API_HOST: 'localhost:3000',
+      LIVE_HOST: 'localhost:4000'
     }
   };
 

tests/unit/adapters/simulation-data-test.js

@@ -0,0 +1,12 @@
+import { moduleFor, test } from 'ember-qunit';
+
+moduleFor('adapter:simulation-data', 'Unit | Adapter | simulation data', {
+  // Specify the other units that are required for this test.
+  // needs: ['serializer:foo']
+});
+
+// Replace this with your real tests.
+test('it exists', function(assert) {
+  let adapter = this.subject();
+  assert.ok(adapter);
+});

tests/unit/models/simulation-data-test.js

@@ -0,0 +1,12 @@
+import { moduleForModel, test } from 'ember-qunit';
+
+moduleForModel('simulation-data', 'Unit | Model | simulation data', {
+  // Specify the other units that are required for this test.
+  needs: []
+});
+
+test('it exists', function(assert) {
+  let model = this.subject();
+  // let store = this.store();
+  assert.ok(!!model);
+});

tests/unit/serializers/simulation-data-test.js

@@ -0,0 +1,15 @@
+import { moduleForModel, test } from 'ember-qunit';
+
+moduleForModel('simulation-data', 'Unit | Serializer | simulation data', {
+  // Specify the other units that are required for this test.
+  needs: ['serializer:simulation-data']
+});
+
+// Replace this with your real tests.
+test('it serializes records', function(assert) {
+  let record = this.subject();
+
+  let serializedRecord = record.serialize();
+
+  assert.ok(serializedRecord);
+});

tests/unit/transforms/array-test.js

@@ -0,0 +1,12 @@
+import { moduleFor, test } from 'ember-qunit';
+
+moduleFor('transform:array', 'Unit | Transform | array', {
+  // Specify the other units that are required for this test.
+  // needs: ['serializer:foo']
+});
+
+// Replace this with your real tests.
+test('it exists', function(assert) {
+  let transform = this.subject();
+  assert.ok(transform);
+});