89 lines
3.0 KiB
JavaScript
Executable File
89 lines
3.0 KiB
JavaScript
Executable File
#!/usr/bin/env -S node
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const config = require("./config.js"); // Configfile einbinden
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var mqttserver=config.mqttserver.host; // mqtt-host aus json im configfile holen (ginge auch direkt)
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var mqtt = require('mqtt'); // mqtt-module einbinden
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const path = require('path');
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const express = require('express');
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const app = express(); // http-express framework laden (macht routing, etc.)
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const http = require('http').Server(app); // http-server module laden
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const io = require('socket.io')(http); // socket.io einbinden
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app.use('/jquery', express.static(path.join(__dirname, 'node_modules', 'jquery', 'dist')));
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app.get('/', (req, res) => { // Routing fuer index.html
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res.sendFile(__dirname + '/index.html'); // index.html rauspusten
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});
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const mqttC=mqtt.connect(mqttserver);
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mqttC.on('connect', () => {
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console.log('Connected to MQTT broker');
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mqttC.subscribe('wavelog/#', (err) => {
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if (!err) {
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console.log(`Subscribed to topic`);
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} else {
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console.log('Error');
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console.log(err);
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}
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});
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});
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mqttC.on('message', function (topic, message) { // Handler, wenn mqtt-message kommt
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date=new Date(); // Timestamp in date merken
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msg={}; // msg-object initialisieren
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if (message.toString().substring(0,1)=='{') { // JSON-String? Dann aufbereiten
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try {
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messagex=JSON.parse(message); // Versuchen mqtt-nachricht durch den jsonparser zu parsen
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msg.content=messagex; // ergebnis in content haemmern
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} catch(e) {
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console.log("No JSON");
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}
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} else {
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msg.content=message.toString(); // Ist nix json? dann ab in "content" damit
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}
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if (topic.startsWith('wavelog/qso/logged')) {
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tobrowser=parse_qso_msg(msg.content);
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io.emit("mqtt",tobrowser); // und raus an den Browser damit
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console.log(topic+' / QSO from: '+tobrowser.station_call+' with '+tobrowser.call+' in Mode: '+tobrowser.mode+' at '+tobrowser.qso_time);
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} else {
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tobrowser=parse_cat_msg(topic,msg.content);
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io.emit("cat",tobrowser); // und raus an den Browser damit
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console.log(topic+' / CAT for User '+tobrowser.user_id+' at '+tobrowser.qrg+' in Mode '+tobrowser.mode);
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}
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});
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io.on('connection', (socket) => { // Neue socket.io Connection?
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console.log(socket.id + " connected"); // Debug
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socket.on("disconnect", (reason) => {
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console.log(socket.id + " disconnected");
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});
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});
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function parse_cat_msg(topic,msg) {
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let retmsg={};
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retmsg.user_id=topic.substring(topic.lastIndexOf('/') + 1)
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retmsg.qrg=msg.frequency;
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retmsg.mode=msg.mode;
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retmsg.time=msg.timestamp;
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return retmsg;
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}
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function parse_qso_msg(msg) {
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let retmsg={};
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retmsg.call=msg.COL_CALL;
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retmsg.station_call=msg.COL_STATION_CALLSIGN;
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retmsg.station_grid=msg.COL_MY_GRIDSQUARE;
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retmsg.grid=msg.COL_GRIDSQUARE;
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retmsg.band=msg.COL_BAND;
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retmsg.mode=msg.COL_MODE
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retmsg.qrg=msg.COL_FREQ/1000;
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retmsg.RST_RCVD=msg.COL_RST_RCVD;
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retmsg.RST_SENT=msg.COL_RST_SENT;
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retmsg.qso_time=msg.COL_TIME_ON;
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return retmsg;
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}
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http.listen(8000,'127.0.0.1', () => { // Webserver starten
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console.log(`Socket.IO server running at http://localhost:8000/`); // debug
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});
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