This commit is contained in:
Wolfgang Hottgenroth 2017-07-22 23:39:14 +02:00
commit dad740e620
9 changed files with 335 additions and 0 deletions

2
.gitignore vendored Normal file
View File

@ -0,0 +1,2 @@
node_modules
*.map

57
dist/log.js vendored Normal file
View File

@ -0,0 +1,57 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const chalk = require("chalk");
const moment = require("moment");
var Level;
(function (Level) {
Level[Level["All"] = 0] = "All";
Level[Level["NoDebug"] = 1] = "NoDebug";
Level[Level["NoDebugNoInfo"] = 2] = "NoDebugNoInfo";
Level[Level["NoDebugNoInfoNoWarning"] = 3] = "NoDebugNoInfoNoWarning";
})(Level || (Level = {}));
var level = Level.NoDebug;
function timestamp() {
return moment().format('HH:mm:ss.SSS');
}
function setLevel(value) {
switch (value) {
case 'info':
level = Level.NoDebug;
break;
case 'warn':
level = Level.NoDebugNoInfo;
break;
case 'error':
level = Level.NoDebugNoInfoNoWarning;
break;
default: level = Level.All;
}
}
exports.setLevel = setLevel;
function info(message) {
if (level < Level.NoDebugNoInfo) {
console.log(`${timestamp()} ${chalk.bold.cyan('[ II ]')} ${message}`);
}
}
exports.info = info;
function warn(message) {
if (level < Level.NoDebugNoInfoNoWarning) {
console.log(`${timestamp()} ${chalk.bold.yellow('[ WW ]')} ${message}`);
}
}
exports.warn = warn;
function error(message) {
console.log(`${timestamp()} ${chalk.bold.red('[ EE ]')} ${message}`);
}
exports.error = error;
function success(message) {
console.log(`${timestamp()} ${chalk.bold.green('[ OK ]')} ${message}`);
}
exports.success = success;
function debug(message) {
if (level < Level.NoDebug) {
console.log(`${timestamp()} ${chalk.bold.magenta('[ DB ]')} ${message}`);
}
}
exports.debug = debug;
//# sourceMappingURL=log.js.map

18
dist/main.js vendored Normal file
View File

@ -0,0 +1,18 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const log = require("./log");
const MqttClient = require("./mqttclient");
class Dispatcher {
constructor() {
this._mqttClient = new MqttClient.MqttClient();
this._mqttClient.register('IoT/test', null);
this._mqttClient.register('IoT/Device/#', null);
}
exec() {
log.info("Dispatcher starting");
this._mqttClient.exec();
}
}
const dispatcher = new Dispatcher();
dispatcher.exec();
//# sourceMappingURL=main.js.map

60
dist/mqttclient.js vendored Normal file
View File

@ -0,0 +1,60 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Mqtt = require("mqtt");
const log = require("./log");
const MQTT_BROKER_DEFAULT_URL = "mqtt://localhost";
class MqttClient {
constructor(mqttBrokerUrl) {
this._mqttBrokerUrl = (mqttBrokerUrl) ? mqttBrokerUrl : MQTT_BROKER_DEFAULT_URL;
this._topicHandlers = [];
}
register(topic, callback) {
this._topicHandlers.push({ topic, callback });
log.info(`handler registered for topic ${topic}`);
}
exec() {
this._mqttClient = Mqtt.connect(this._mqttBrokerUrl);
this._mqttClient.on('error', log.error);
this._mqttClient.on('connect', () => {
log.info("connected to mqtt broker");
for (let topicHandler of this._topicHandlers) {
this._mqttClient.subscribe(topicHandler.topic);
}
});
this._mqttClient.on('message', (topic, payload) => {
log.info(`message received, topic ${topic}, payload ${payload}`);
for (let topicHandler of this._topicHandlers) {
if (this.topicMatch(topicHandler.topic, topic)) {
log.info(`received topic ${topic} matches registered topic ${topicHandler.topic}`);
}
}
});
}
topicMatch(registeredTopic, receivedTopic) {
let registeredTopicFields = registeredTopic.split('/');
let receivedTopicFields = receivedTopic.split('/');
for (let field in registeredTopicFields) {
let regField = registeredTopicFields[field];
let recvField = receivedTopicFields[field];
log.info(`recv: ${recvField}, reg: ${regField}`);
if (regField === "#") {
log.info('true');
return true;
}
if (regField != recvField && regField != "+") {
log.info('false');
return false;
}
}
if (registeredTopicFields.length == receivedTopicFields.length) {
log.info('true');
return true;
}
else {
log.info('false');
return false;
}
}
}
exports.MqttClient = MqttClient;
//# sourceMappingURL=mqttclient.js.map

25
package.json Normal file
View File

@ -0,0 +1,25 @@
{
"name": "dispatcher",
"version": "1.0.0",
"description": "",
"main": "dist/main.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"build": "tsc -p ./",
"debug": "npm run build && node dist/main.js --loglevel debug",
"start": "node dist/main.js"
},
"author": "Wolfgang Hottgenroth <woho@hottis.de>",
"license": "ISC",
"devDependencies": {
"@types/chalk": "^0.4.31",
"@types/mqtt": "0.0.34",
"@types/node": "^8.0.14",
"typescript": "^2.4.2"
},
"dependencies": {
"chalk": "^2.0.1",
"moment": "^2.18.1",
"mqtt": "^2.9.2"
}
}

50
src/log.ts Normal file
View File

@ -0,0 +1,50 @@
import * as chalk from 'chalk'
import * as moment from 'moment'
enum Level {
All,
NoDebug,
NoDebugNoInfo,
NoDebugNoInfoNoWarning
}
var level = Level.NoDebug
function timestamp(): string {
return moment().format('HH:mm:ss.SSS')
}
export function setLevel(value: string): void {
switch (value) {
case 'info': level = Level.NoDebug; break
case 'warn': level = Level.NoDebugNoInfo; break
case 'error': level = Level.NoDebugNoInfoNoWarning; break
default: level = Level.All
}
}
export function info(message: string): void {
if (level < Level.NoDebugNoInfo) {
console.log(`${timestamp()} ${chalk.bold.cyan('[ II ]')} ${message}`)
}
}
export function warn(message: string): void {
if (level < Level.NoDebugNoInfoNoWarning) {
console.log(`${timestamp()} ${chalk.bold.yellow('[ WW ]')} ${message}`)
}
}
export function error(message: string): void {
console.log(`${timestamp()} ${chalk.bold.red('[ EE ]')} ${message}`)
}
export function success(message: string): void {
console.log(`${timestamp()} ${chalk.bold.green('[ OK ]')} ${message}`)
}
export function debug(message: string): void {
if (level < Level.NoDebug) {
console.log(`${timestamp()} ${chalk.bold.magenta('[ DB ]')} ${message}`)
}
}

27
src/main.ts Normal file
View File

@ -0,0 +1,27 @@
import * as log from './log'
import * as MqttClient from './mqttclient'
class Dispatcher {
private _mqttClient: MqttClient.MqttClient
constructor() {
this._mqttClient = new MqttClient.MqttClient()
this._mqttClient.register('IoT/test', null)
this._mqttClient.register('IoT/Device/#', null)
}
exec() : void {
log.info("Dispatcher starting")
this._mqttClient.exec()
}
}
const dispatcher = new Dispatcher()
dispatcher.exec()

71
src/mqttclient.ts Normal file
View File

@ -0,0 +1,71 @@
import * as Mqtt from 'mqtt'
import * as log from './log'
const MQTT_BROKER_DEFAULT_URL : string = "mqtt://localhost"
type TopicHandlerCallback = (message: Buffer) => void
type TopicHandler = {
topic: string,
callback: TopicHandlerCallback|null
}
export class MqttClient {
private _mqttClient: Mqtt.Client
private _mqttBrokerUrl: string
private _topicHandlers: TopicHandler[]
constructor(mqttBrokerUrl? : string) {
this._mqttBrokerUrl = (mqttBrokerUrl) ? mqttBrokerUrl : MQTT_BROKER_DEFAULT_URL
this._topicHandlers = []
}
register(topic: string, callback: TopicHandlerCallback|null) : void {
this._topicHandlers.push({topic, callback})
log.info(`handler registered for topic ${topic}`)
}
exec() : void {
this._mqttClient = Mqtt.connect(this._mqttBrokerUrl)
this._mqttClient.on('error', log.error)
this._mqttClient.on('connect', (): void => {
log.info("connected to mqtt broker")
for (let topicHandler of this._topicHandlers) {
this._mqttClient.subscribe(topicHandler.topic)
}
})
this._mqttClient.on('message', (topic: string, payload: Buffer): void => {
log.info(`message received, topic ${topic}, payload ${payload}`)
for (let topicHandler of this._topicHandlers) {
if (this.topicMatch(topicHandler.topic, topic)) {
log.info(`received topic ${topic} matches registered topic ${topicHandler.topic}`)
}
}
})
}
private topicMatch(registeredTopic: string, receivedTopic: string) : boolean {
let registeredTopicFields = registeredTopic.split('/')
let receivedTopicFields = receivedTopic.split('/')
for (let field in registeredTopicFields) {
let regField = registeredTopicFields[field]
let recvField = receivedTopicFields[field]
log.info(`recv: ${recvField}, reg: ${regField}`)
if (regField === "#") {
log.info('true')
return true
}
if (regField != recvField && regField != "+") {
log.info('false')
return false
}
}
if (registeredTopicFields.length == receivedTopicFields.length) {
log.info('true')
return true
} else {
log.info('false')
return false
}
}
}

25
tsconfig.json Normal file
View File

@ -0,0 +1,25 @@
{
"compilerOptions": {
"target": "es2015",
"module": "commonjs",
"moduleResolution": "node",
"sourceMap": true,
"lib": ["es2015"],
"strictNullChecks": true,
"noImplicitAny": true,
"noEmitOnError": true,
"outDir": "dist",
"typeRoots": [
"node_modules/@types"
]
},
"include": [
"src/**/*.*"
],
"exclude": [
"node_modules",
"dist",
"proto",
"kernel"
]
}