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require('dotenv').config()
const io = require('socket.io-client')
const zerorpc = require('zerorpc')
const Readable = require('stream').Readable;
let remote = io.connect(process.env.SOCKETIO_REMOTE);
remote.on('cmd', (data) => {
console.log('cmd data', data)
if (! data.cmd) {
console.log('malformed param...?')
return
}
console.log('got', data.cmd)
switch (data.cmd) {
case 'set_param':
if (! data.payload) return
rpc.invoke(data.cmd, data.payload.key, data.payload.value, (err, res, more) => {
console.log('sent param, got response', res)
})
break
case 'get_params':
case 'get_last_frame':
rpc.invoke(data.cmd, (err, res, more) => {
console.log('got params', res)
remote.emit('res', {
cmd: data.cmd,
res: res,
})
})
break
default:
rpc.invoke('send_command', data.cmd, data.payload || null, (err, res, more) => {
console.log('got params', res)
remote.emit('res', {
cmd: data.cmd,
res: res,
})
})
break
}
})
let rpc = new zerorpc.Client()
rpc.connect('tcp://127.0.0.1:' + process.env.RPC_PORT)
rpc.on('error', function(error) {
console.error('RPC server error:', error)
})
console.log('RPC listening on port ' + process.env.RPC_PORT)
let relay = new zerorpc.Server({
// Called when the worker starts up and is ready to receive params.
connected: function (msg, reply) {
reply()
console.log('got connect from ' + msg)
return true
},
send_frame: function (fn, frame, reply) {
reply()
// console.log('got frame, ' + frame.length + ' bytes')
remote.emit('frame', { fn: fn, frame: frame })
}
})
relay.on('error', function(error) {
console.error('Relay server error:', error)
})
relay.bind('tcp://0.0.0.0:' + process.env.RELAY_PORT);
console.log('Relay listening on port ' + process.env.RELAY_PORT)
module.exports = { relay: relay, remote: remote, }
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