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main.ts
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main.ts
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// -*- mode: typescript; indent-tabs-mode: nil; js-basic-offset: 4 -*-
//
// This file is part of Almond
//
// Copyright 2016-2020 The Board of Trustees of the Leland Stanford Junior University
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Giovanni Campagna <gcampagn@cs.stanford.edu>
process.on('unhandledRejection', (up) => { throw up; });
import * as Genie from 'genie-toolkit';
import WebFrontend from './frontend';
import type { ServerPlatform } from './service/platform';
import platform from './service/platform';
import * as Config from './config';
let _stopped = false;
let _running = false;
let _engine : Genie.AssistantEngine, _frontend : WebFrontend;
function handleStop() {
if (_running)
_engine.stop();
else
_stopped = true;
}
const DEBUG = false;
async function init(platform : ServerPlatform) {
_engine = new Genie.AssistantEngine(platform, {
cloudSyncUrl: Config.CLOUD_SYNC_URL,
thingpediaUrl: Config.THINGPEDIA_URL,
nluModelUrl: Config.NLP_URL,
});
_frontend.setEngine(_engine);
await _engine.open();
const conversation = _engine.assistant.openConversation('main', {
showWelcome: true,
debug: true,
deleteWhenInactive: false,
inactivityTimeout: 30000, // pick a low inactivity timeout to turn off the microphone
contextResetTimeout: 30000,
});
await conversation.start();
}
async function main() {
process.on('SIGINT', handleStop);
process.on('SIGTERM', handleStop);
try {
_frontend = new WebFrontend(platform);
await _frontend.init();
if (Config.ENABLE_DB_ENCRYPTION) {
await _frontend.open();
await new Promise((resolve, reject) => {
_frontend.on('unlock', (key) => {
console.log('Attempting unlock...');
if (DEBUG)
console.log('Unlock key: ' + key.toString('hex'));
platform._setSqliteKey(key);
resolve(init(platform));
});
});
} else {
await init(platform);
await _frontend.open();
}
try {
console.log('Ready');
if (!_stopped) {
_running = true;
await _engine.run();
}
} finally {
try {
await _engine.close();
} catch(error) {
console.log('Exception during stop: ' + error.message);
console.log(error.stack);
}
}
} catch(error) {
console.error('Uncaught exception: ' + error.message);
console.error(error.stack);
} finally {
console.log('Cleaning up');
platform.exit();
}
}
main();