Files
Cue-View/plugins/sacn/main.js
T
2022-11-28 19:36:58 -06:00

131 lines
3.4 KiB
JavaScript

const _ = require('lodash');
exports.defaultName = 'sACN';
exports.connectionType = 'multicast';
exports.defaultPort = 5568;
exports.heartbeatInterval = 5000;
exports.searchOptions = {
type: "multicast",
address: getMulticastGroup(1),
port: 5568,
validateResponse (msg, info) {
return msg.toString('utf8', 4, 13) === "ASC-E1.17";
},
};
exports.defaultPort = 5568;
exports.ready = function ready(device) {
const d = device;
d.data.universes = {};
d.data.source = "Unknown Source";
d.data.orderedUniverses = [];
// device.draw();
for(let i = 1; i <= 16; i++){
d.connection.addMembership(getMulticastGroup(i));
}
};
exports.data = function data(_device, buf) {
const universeIndex = buf.readUInt16BE(113);
const device = _device;
let universe = device.data.universes[universeIndex];
if(!universe){
device.data.universes[universeIndex] = {};
universe = device.data.universes[universeIndex];
}
universe.sequence = buf.readUInt8(111);
universe.priority = buf.readUInt8(108);
universe.cid = buf.toString('hex', 22, 38);
universe.slots = buf.slice(126);
if(buf.readUInt8(125) !== 0){
universe.startCode = buf.readUInt8(125);
}
device.data.source = buf.toString('utf8', 44, 108);
device.displayName = `${device.data.source} sACN`;
device.data.ip = device.addresses[0];
if(!_.includes(device.data.orderedUniverses, universeIndex)){
device.data.orderedUniverses.push(universeIndex);
device.data.orderedUniverses.sort();
universe.slotElems = [];
universe.slotElemsSet = false;
device.draw();
device.update("elementCache")
}
device.update("universeData", {
universeIndex,
universe,
startCode: universe.startCode
});
};
exports.heartbeat = function heartbeat(device) {
};
let lastUpdate = Date.now();
exports.update = function update(_device, doc, updateType, updateData){
const device = _device;
const data = updateData;
if(updateType === "universeData" && data.universe){
if(Date.now() - lastUpdate > 1000){
lastUpdate = Date.now();
device.update("elementCache")
}
const $elem = doc.getElementById(`universe-${data.universeIndex}`);
if($elem && data.universe.slotElemsSet){
if(data.universe.priority > 0){
for(let i = 0; i < 512; i++){
data.universe.slotElems[i].innerText = data.universe.slots[i];
}
const $code = doc.getElementById(`universe-${data.universeIndex}-code`);
if(data.startCode === 0xDD){
$code.innerText = "Net3"
}else if(data.startCode === 0x17){
$code.innerText = "Text"
}else if(data.startCode === 0xCF){
$code.innerText = "SIP"
}else if(data.startCode === 0xCC){
$code.innerText = "RDM"
}
}
}else{
device.draw();
device.update("elementCache")
}
}else if(updateType === "elementCache"){
device.data.orderedUniverses.forEach(universeIndex => {
for(let i = 0; i < 512; i++){
device.data.universes[universeIndex].slotElems[i] = doc.getElementById(`${universeIndex}-${i}`);
}
device.data.universes[universeIndex].slotElemsSet = true;
});
}
}
// From https://github.com/hhromic/e131-node/blob/master/lib/e131.js
function getMulticastGroup(universe) {
if (universe < 1 || universe > 63999) {
throw new RangeError('universe should be in the range [1-63999]');
}
return `239.255.${universe >> 8}.${universe & 0xff}`;
}