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Implement packet split for realtime udp frames #1

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Implement packet split for realtime udp frames #1

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d2723cc
implement packet split for real time udp frames
matthi4s Jan 15, 2024
7d4a2cc
move udp header allocation to loop
matthi4s Jan 15, 2024
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37 changes: 22 additions & 15 deletions dist/lib/light.js
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Original file line number Diff line number Diff line change
Expand Up @@ -516,21 +516,28 @@ export class Light {
throw new Error("UDP not supported in browser");
// Generate the header
let tokenArray = this.token.getTokenDecoded();
let udpHeader = Buffer.alloc(tokenArray.length + 4);
udpHeader.writeUInt8(0x03); // the version number
udpHeader.fill(tokenArray, 1); // the actual token, 8 bytes
udpHeader.writeUInt8(0x00, tokenArray.length + 1); // zero blanking
udpHeader.writeUInt8(0x00, tokenArray.length + 2); // zero blanking
udpHeader.writeUInt8(0x00, tokenArray.length + 3); // number of packets (currently only 1 as i only hav 250 leds)
// Generate the body
const data = Buffer.alloc(udpHeader.length + frame.getNLeds() * 3);
data.fill(udpHeader);
data.fill(frame.toOctet(), udpHeader.length);
this.udpClient.send(data, 7777, this.ipaddr, (error) => {
if (error) {
console.warn(error);
}
});
let rawFrame = frame.toOctet();
let packetId = 0;
do {
let framePart = rawFrame.slice(0, 900);
rawFrame = rawFrame.slice(900);
let udpHeader = Buffer.alloc(tokenArray.length + 4);
udpHeader.writeUInt8(0x03); // the version number
udpHeader.fill(tokenArray, 1); // the actual token, 8 bytes
udpHeader.writeUInt8(0x00, tokenArray.length + 1); // zero blanking
udpHeader.writeUInt8(0x00, tokenArray.length + 2); // zero blanking
udpHeader.writeUInt8(packetId, tokenArray.length + 3);
// Generate the body
const data = Buffer.alloc(udpHeader.length + framePart.length);
data.fill(udpHeader);
data.fill(framePart, udpHeader.length);
this.udpClient.send(data, 7777, this.ipaddr, (error) => {
if (error) {
console.warn(error);
}
});
packetId++;
} while (rawFrame.length > 0);
});
}
/**
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42 changes: 25 additions & 17 deletions src/lib/light.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -503,23 +503,31 @@ export class Light {

// Generate the header
let tokenArray = this.token.getTokenDecoded();
let udpHeader = Buffer.alloc(tokenArray.length + 4);

udpHeader.writeUInt8(0x03); // the version number
udpHeader.fill(tokenArray, 1); // the actual token, 8 bytes
udpHeader.writeUInt8(0x00, tokenArray.length + 1); // zero blanking
udpHeader.writeUInt8(0x00, tokenArray.length + 2); // zero blanking
udpHeader.writeUInt8(0x00, tokenArray.length + 3); // number of packets (currently only 1 as i only hav 250 leds)

// Generate the body
const data = Buffer.alloc(udpHeader.length + frame.getNLeds() * 3);
data.fill(udpHeader);
data.fill(frame.toOctet(), udpHeader.length);
this.udpClient.send(data, 7777, this.ipaddr, (error: any) => {
if (error) {
console.warn(error);
}
});

let rawFrame = frame.toOctet();
let packetId = 0;
do {
let framePart = rawFrame.slice(0, 900);
rawFrame = rawFrame.slice(900);

let udpHeader = Buffer.alloc(tokenArray.length + 4);
udpHeader.writeUInt8(0x03); // the version number
udpHeader.fill(tokenArray, 1); // the actual token, 8 bytes
udpHeader.writeUInt8(0x00, tokenArray.length + 1); // zero blanking
udpHeader.writeUInt8(0x00, tokenArray.length + 2); // zero blanking
udpHeader.writeUInt8(packetId, tokenArray.length + 3);

// Generate the body
const data = Buffer.alloc(udpHeader.length + framePart.length);
data.fill(udpHeader);
data.fill(framePart, udpHeader.length);
this.udpClient.send(data, 7777, this.ipaddr, (error: any) => {
if (error) {
console.warn(error);
}
});
packetId++;
} while (rawFrame.length > 0);
}
/**
* Get a list of movies
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