Akhil
55 lines
1.2 KiB
JavaScript
55 lines
1.2 KiB
JavaScript
'use strict'
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const net = require('net')
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const nos = require('net-object-stream')
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const through = require('through2')
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const pump = require('pump')
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const bloomrun = require('bloomrun')
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const { ADDERSERVICE_SERVICE_PORT } = process.env
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module.exports = wiring
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function wiring (service) {
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const patterns = createPatternRoutes(service)
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const matcher = createMatcherStream(patterns)
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const server = net.createServer((socket) => {
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socket = nos(socket)
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pump(socket, matcher, socket, failure)
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})
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server.listen(ADDERSERVICE_SERVICE_PORT, '0.0.0.0', () => {
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console.log('server listening at', ADDERSERVICE_SERVICE_PORT)
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})
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}
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function createPatternRoutes (service) {
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const patterns = bloomrun()
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patterns.add({role: 'adder', cmd: 'add'}, service.add)
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return patterns
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}
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function createMatcherStream (patterns) {
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return through.obj((object, enc, cb) => {
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const match = patterns.lookup(object)
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if (match === null) {
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cb()
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return
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}
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match(object, (err, data) => {
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if (err) {
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cb(null, {status: 'error', err: err})
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return
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}
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cb(null, data)
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})
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})
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}
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function failure (err) {
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if (err) console.error('Server error', err)
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else console.error('Stream pipeline ended')
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} |