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index.js
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index.js
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'use strict'
var handleConnect = require('./connect')
var handleSubscribe = require('./subscribe')
var handleUnsubscribe = require('./unsubscribe')
var handlePublish = require('./publish')
var handlePuback = require('./puback')
var handlePubrel = require('./pubrel')
var handlePubrec = require('./pubrec')
var handlePing = require('./ping')
function handle (client, packet, done) {
if (packet.cmd === 'connect') {
if (client.connected) {
// [MQTT-3.1.0-2]
client.conn.destroy()
return done(new Error('invalid protocol'))
}
return handleConnect(client, packet, done)
}
if (!client.connected) {
// [MQTT-3.1.0-1]
client.conn.destroy()
return done(new Error('invalid protocol'))
}
switch (packet.cmd) {
case 'publish':
handlePublish(client, packet, done)
break
case 'subscribe':
handleSubscribe(client, packet, done)
break
case 'unsubscribe':
handleUnsubscribe(client, packet, done)
break
case 'pubcomp':
case 'puback':
handlePuback(client, packet, done)
break
case 'pubrel':
handlePubrel(client, packet, done)
break
case 'pubrec':
handlePubrec(client, packet, done)
break
case 'pingreq':
handlePing(client, packet, done)
break
case 'disconnect':
client.disconnected = true
client.conn.end()
return
default:
client.conn.destroy()
return
}
if (client._keepaliveInterval > 0) {
client._keepaliveTimer.reschedule(client._keepaliveInterval)
}
}
module.exports = handle