osh-js
Version:
OSH javascript Toolkit
336 lines • 14 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import { DATASOURCE_DATA_TOPIC } from "../../Constants.js";
import { EventType } from "../../event/EventType.js";
import { isDefined } from "../../utils/Utils";
import DataSynchronizerAlgoRealtime from "./DataSynchronizerAlgo.realtime.js";
var bcChannels = {};
var dataSynchronizerAlgo;
var init = false;
var dataSynchronizerBroadCastChannel = null;
var lastData = undefined;
var dataSources = {};
var timeBroadcastChannel = null;
var topicTime;
var topicData;
var masterTimeInterval = undefined;
var cTime;
var cId;
var lastTime = -1;
var version = -1;
var promise;
var masterTimeRefreshRate;
self.onmessage = function (event) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
handleMessage(event);
return [2 /*return*/];
});
}); };
function handleMessage(event) {
return __awaiter(this, void 0, void 0, function () {
var resp, data, ex_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
resp = {};
if (event.data.ackId) {
resp.ackId = event.data.ackId;
}
data = undefined;
_a.label = 1;
case 1:
_a.trys.push([1, 9, 10, 11]);
if (!(event.data.message === 'init')) return [3 /*break*/, 2];
version = event.data.version;
dataSynchronizerAlgo = new DataSynchronizerAlgoRealtime(event.data.dataSources, event.data.replaySpeed, event.data.timerResolution);
dataSynchronizerAlgo.onData = onData;
init = true;
addDataSources(event.data.dataSources);
topicData = event.data.topics.data;
topicTime = event.data.topics.time;
initBroadcastChannel(topicData, topicTime);
masterTimeRefreshRate = event.data.masterTimeRefreshRate;
return [3 /*break*/, 8];
case 2:
if (!(event.data.message === 'add' && event.data.dataSources)) return [3 /*break*/, 3];
console.log('Add datasource to synchronizer..');
addDataSources(event.data.dataSources);
return [3 /*break*/, 8];
case 3:
if (!(event.data.message === 'connect')) return [3 /*break*/, 4];
startMasterTimeInterval(masterTimeRefreshRate);
dataSynchronizerAlgo.checkStart();
version = event.data.version;
return [3 /*break*/, 8];
case 4:
if (!(event.data.message === 'is-connected')) return [3 /*break*/, 5];
data = {
message: 'is-connected',
data: isDefined(masterTimeInterval)
};
return [3 /*break*/, 8];
case 5:
if (!(event.data.message === 'remove' && event.data.dataSourceIds)) return [3 /*break*/, 7];
console.log('Remove datasource from synchronizer..');
return [4 /*yield*/, removeDataSources(event.data.dataSourceIds)];
case 6:
_a.sent();
return [3 /*break*/, 8];
case 7:
if (event.data.message === 'current-time') {
data = {
message: 'current-time',
data: dataSynchronizerAlgo.getCurrentTimestamp()
};
}
else if (event.data.message === 'reset') {
reset();
}
else if (event.data.message === 'replay-speed') {
if (dataSynchronizerAlgo !== null) {
reset();
}
}
else if (event.data.message === 'data') {
checkMasterTime();
if (dataSynchronizerAlgo !== null) {
dataSynchronizerAlgo.push(event.data.dataSourceId, event.data.data);
}
}
_a.label = 8;
case 8: return [3 /*break*/, 11];
case 9:
ex_1 = _a.sent();
console.error(ex_1);
resp.error = ex_1;
return [3 /*break*/, 11];
case 10:
resp.data = data;
self.postMessage(resp);
return [7 /*endfinally*/];
case 11: return [2 /*return*/];
}
});
});
}
function reset() {
clearInterval(masterTimeInterval);
masterTimeInterval = undefined;
if (dataSynchronizerAlgo !== null) {
dataSynchronizerAlgo.reset();
}
timeBroadcastChannel.postMessage({
type: EventType.TIME_CHANGED
});
timeBroadcastChannel.postMessage({
type: EventType.CLOSED
});
dataSynchronizerBroadCastChannel.postMessage({
type: EventType.STATUS,
status: 'not_running',
});
}
function initBroadcastChannel(dataTopic, timeTopic) {
console.log('listen on topic ', dataTopic);
dataSynchronizerBroadCastChannel = new BroadcastChannel(dataTopic);
dataSynchronizerBroadCastChannel.onmessage = function (event) {
checkMasterTime();
if (event.data.type === EventType.DATA) {
dataSynchronizerAlgo.push(event.data.dataSourceId, event.data.values);
}
else if (event.data.type === EventType.STATUS) {
var dataSourceId = event.data.dataSourceId;
dataSynchronizerAlgo.setStatus(dataSourceId, event.data.status);
// bubble the message
if (dataSourceId in bcChannels) {
console.log(dataSources[dataSourceId].name + ": status=" + event.data.status);
bcChannels[dataSourceId].postMessage(event.data);
}
}
};
timeBroadcastChannel = new BroadcastChannel(timeTopic);
}
/**
*
* @param dataSources
*/
function addDataSources(dataSources) {
for (var _i = 0, dataSources_1 = dataSources; _i < dataSources_1.length; _i++) {
var dataSource = dataSources_1[_i];
addDataSource(dataSource);
}
}
function addDataSource(dataSource) {
dataSynchronizerAlgo.addDataSource(dataSource);
// create a BC to push back the synchronized data into the DATA Stream.
bcChannels[dataSource.id] = new BroadcastChannel(DATASOURCE_DATA_TOPIC + dataSource.id);
if (!(dataSource.id in dataSources)) {
dataSources[dataSource.id] = dataSource;
}
}
/**
*
* @param dataSourceIds
*/
function removeDataSources(dataSourceIds) {
return __awaiter(this, void 0, void 0, function () {
var _i, dataSourceIds_1, dataSourceId;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_i = 0, dataSourceIds_1 = dataSourceIds;
_a.label = 1;
case 1:
if (!(_i < dataSourceIds_1.length)) return [3 /*break*/, 4];
dataSourceId = dataSourceIds_1[_i];
return [4 /*yield*/, removeDataSource(dataSourceId)];
case 2:
_a.sent();
_a.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4: return [2 /*return*/];
}
});
});
}
function removeDataSource(dataSourceId) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, dataSynchronizerAlgo.removeDataSource(dataSourceId)];
case 1:
_a.sent();
// create a BC to push back the synchronized data into the DATA Stream.
console.log('deleting BC for datasource ' + dataSourceId);
delete bcChannels[dataSourceId];
delete dataSources[dataSourceId];
return [2 /*return*/];
}
});
});
}
function checkMasterTime() {
if (!isDefined(masterTimeInterval)) {
startMasterTimeInterval(masterTimeRefreshRate);
}
}
function onEnd() {
return __awaiter(this, void 0, void 0, function () {
var masterTime;
return __generator(this, function (_a) {
masterTime = dataSynchronizerAlgo.getCurrentTimestamp();
clearInterval(masterTimeInterval);
masterTimeInterval = undefined;
// end at this time
timeBroadcastChannel.postMessage({
timestamp: masterTime,
type: EventType.MASTER_TIME
});
return [2 /*return*/];
});
});
}
function onStart() {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
checkMasterTime();
return [2 /*return*/];
});
});
}
function onClose() {
timeBroadcastChannel.postMessage({
type: EventType.CLOSED
});
}
function onData(dataSourceId, dataBlock) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (dataBlock.version !== version) {
console.error('version are different:', dataBlock.version, version);
return [2 /*return*/];
}
lastData = {
dataSourceId: dataSourceId,
dataBlock: dataBlock,
};
bcChannels[dataSourceId].postMessage({
values: [dataBlock],
dataSourceId: dataSourceId,
type: EventType.DATA
});
return [2 /*return*/];
});
});
}
self.onclose = function () {
dataSynchronizerAlgo.close();
console.log("Data Synchronizer has been terminated successfully");
};
var masterTime;
function startMasterTimeInterval(masterTimeRefreshRate) {
if (!isDefined(masterTimeInterval)) {
masterTimeInterval = setInterval(function () {
masterTime = dataSynchronizerAlgo.getCurrentTimestamp();
if (isDefined(masterTime)) {
timeBroadcastChannel.postMessage({
timestamp: masterTime,
type: EventType.MASTER_TIME
});
}
if (isDefined(lastData)) {
cTime = lastData.dataBlock.data.timestamp;
cId = lastData.dataSourceId;
if ((cTime !== -1 && lastTime === -1) || (lastTime !== -1 && cTime !== lastTime)) { // does not send the same data twice
timeBroadcastChannel.postMessage({
timestamp: cTime,
dataSourceId: cId,
type: EventType.LAST_TIME
});
}
lastTime = cTime;
}
}, masterTimeRefreshRate);
dataSynchronizerBroadCastChannel.postMessage({
type: EventType.STATUS,
status: 'running',
});
}
}
//# sourceMappingURL=DataSynchronizer.realtime.worker.js.map