feat(node-fs-bindings-debug): initial commit

node-fs-bindings-debug/.env.192.168.22.16

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+URL=http://192.168.22.16:8080/vehicle-positions

node-fs-bindings-debug/.env.dede

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+URL=https://dedriver.org/gtfs-rt/vehiclePositions.pb

node-fs-bindings-debug/.env.file

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+URL=/home/begerad/gtfs-rt/vbn/gtfsr_connect.bin

node-fs-bindings-debug/.env.flixbus4rmv

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+URL=https://wimb-api-ops-gis.ew1p3.k8s.mfb.io/v1/gtfs-rt/flavour/rmv/region/de/agency/bus_train/vehicle-position

node-fs-bindings-debug/.env.localhost

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+URL=http://localhost:8080/vehicle-positions

node-fs-bindings-debug/.env.mbta

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+URL=https://cdn.mbta.com/realtime/VehiclePositions.pb

node-fs-bindings-debug/.env.openov

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+URL=https://gtfs.openov.nl/gtfs-rt/vehiclePositions.pb

node-fs-bindings-debug/.env.soll

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+URL=https://soll.vbn.de/vehicle-positions

node-fs-bindings-debug/.env.vbn

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+URL=http://gtfsr.vbn.de/gtfsr_connect.bin

node-fs-bindings-debug/.gitignore

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+# Other
+*~
+.env
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# Next.js build output
+.next
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and *not* Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port

node-fs-bindings-debug/gtfsRtDecode.js

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+const debug = require('debug')('gtfs');
+const GtfsRealtimeBindings = require('gtfs-realtime-bindings');
+
+function decode(buffer){
+    debug('decode...');
+
+    var feed = GtfsRealtimeBindings.transit_realtime.FeedMessage.decode(buffer);
+    if(feed){
+	debug('feed: %s',feed)
+	let header=feed.header;
+	if(header){
+	    debug('header: %s',header)
+	    let gtfsRealtimeVersion=header.gtfsRealtimeVersion;
+	    if(gtfsRealtimeVersion){
+		debug('gtfsRealtimeVersion: %s',gtfsRealtimeVersion)
+	    }
+	}
+	feed.entity.forEach(function(entity) {
+	    if (entity.tripUpdate) {
+		debug('tripUpdate')
+		const tripUpdate=entity.tripUpdate;
+		if(tripUpdate.trip){
+		    debug('TripDescriptor')
+		    const trip=tripUpdate.trip
+		    if(trip.tripId){
+			debug('trip_id: %s',trip.tripId)
+		    }
+		    if(trip.routeId){
+			debug('route_id: %s',trip.routeId)
+		    }
+		    if(trip.directionId){
+			debug('direction_id: %s',trip.directionId)
+		    }
+		    if(trip.startTime){
+			debug('start_time: %s',trip.startTime)
+		    }
+		    if(trip.startDate){
+			debug('start_date: %s',trip.startDate)
+		    }
+		    if(trip.scheduleRelationship){
+			debug('schedule_relationship: %s',trip.scheduleRelationship)
+		    }
+		}
+		if(tripUpdate.vehicle){
+		    debug('VehicleDescriptor')
+		}
+		if(tripUpdate.timestamp){
+		    debug('timestamp: %s',tripUpdate.timestamp)
+		}
+	    }else if(entity.vehicle){
+		const vehPos=entity.vehicle;
+		debug('vehiclePosition')
+		if(vehPos.position){
+		    const pos=vehPos.position;
+		    debug('position')
+		    if(pos.latitude){
+			const lat=pos.latitude;
+			debug('lat: %s',lat)
+		    }
+		    if(pos.longitude){
+			const lon=pos.longitude;
+			debug('lon: %s',lon)
+		    }
+		}
+	    }else if(entity.alert){
+		debug('alert')
+	    }else{
+		debug('entity unknown')
+	    }
+	});
+	// Verify the payload if necessary (i.e. when possibly incomplete or invalid)
+	let errMsg = GtfsRealtimeBindings.transit_realtime.FeedMessage.verify(feed);
+	if (errMsg){
+	    debug('msg invalid')
+	    throw Error(errMsg);
+	}else{
+	    debug('msg valid')
+	}
+    }else{
+	debug('feed unavailable')
+    }
+    debug('...done.')
+    return feed;
+}
+module.exports = {decode}
+

node-fs-bindings-debug/index.js

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+require('dotenv').config();
+const fs=require('fs');
+const debug = require('debug')('gtfs');
+
+const gtfsRt = require('./gtfsRtDecode');
+
+const URL=process.env.URL||'URL';
+debug('URL: '+URL)
+
+run().catch(err => {
+    debug('run: error')
+    console.log(err)
+});
+
+async function run() {
+    debug('run started...')
+    let buffer=fs.readFileSync(URL);
+    gtfsRt.decode(buffer);
+    debug('run done.')
+}

node-fs-bindings-debug/package.json

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+{
+  "name": "gtfs-realtime-bindings",
+  "version": "0.0.1",
+  "description": "decode GTFS Realtime and log to console",
+  "main": "index.js",
+  "scripts": {
+    "dev": "nodemon index.js",
+    "start": "node index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Stefan Begerad",
+  "license": "GPL-3.0",
+  "dependencies": {
+    "debug": "4.3.4",
+    "dotenv": "16.3.1",
+    "fs": "0.0.1-security",
+    "gtfs-realtime-bindings": "1.1.1"
+  },
+  "devDependencies": {
+    "nodemon": "2.0.7"
+  }
+}

node-fs-bindings-debug/readme.md

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+# Overview
+
+use node.js to read pbf file from file system and export as debug log
+
+# Preparation
+
+```
+npm i
+```
+
+# Test
+
+```
+DEBUG=debug,gtfs npm run dev
+```

node-fs-pbf-debug/index.js

@@ -1,12 +1,13 @@
 require('dotenv').config();
 const fs = require('fs');
 const debug=require('debug')('debug');
+
 const gtfsRt=require('../../proto2js/js/gtfs-rt.js');
 const Pbf = require('pbf');
+
 const file=process.env.file||'file';
 debug('file: '+file)
 
-
 run().catch(err => {
     debug('run: error');
     console.log(err)