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Joel Wetzell
2026-07-13 14:09:21 -05:00
parent 4bb1e87e03
commit 466228fb4a
62 changed files with 2157 additions and 1851 deletions
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src/decoders/data/data-packet-chunk.ts
+40 -31
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@@ -1,39 +1,48 @@
import { Constants } from '../../constants.js';
import type { DataPacketChunk, DataPacketChunkData } from '../../models/data/data-packet-chunk.js';
import type {
DataPacketChunk,
DataPacketChunkData,
} from '../../models/data/data-packet-chunk.js';
import { Decoders } from '../index.js';
export default (buffer: Uint8Array): DataPacketChunk => {
const chunk = Decoders.Chunk(buffer);
const chunk = Decoders.Chunk(buffer);
const data: DataPacketChunkData = {};
const data: DataPacketChunkData = {};
if (chunk.header.hasSubchunks && chunk.chunkData && chunk.header.dataLen) {
let offset = 0;
while (offset < chunk.header.dataLen) {
const chunkId = (chunk.chunkData.subarray(offset)[1] << 8) + chunk.chunkData.subarray(offset)[0];
switch (chunkId) {
case 0x0000:
data.packetHeader = Decoders.PacketHeaderChunk(chunk.chunkData.subarray(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (data.packetHeader.chunk.header.dataLen) {
offset += data.packetHeader.chunk.header.dataLen;
}
break;
case 0x0001:
data.trackerList = Decoders.DataTrackerListChunk(chunk.chunkData.subarray(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (data.trackerList.chunk.header.dataLen) {
offset += data.trackerList.chunk.header.dataLen;
}
break;
default:
break;
}
}
}
if (chunk.header.hasSubchunks && chunk.chunkData && chunk.header.dataLen) {
let offset = 0;
while (offset < chunk.header.dataLen) {
const chunkId =
(chunk.chunkData.subarray(offset)[1] << 8) +
chunk.chunkData.subarray(offset)[0];
switch (chunkId) {
case 0x0000:
data.packetHeader = Decoders.PacketHeaderChunk(
chunk.chunkData.subarray(offset)
);
offset += Constants.CHUNK_HEADER_SIZE;
if (data.packetHeader.chunk.header.dataLen) {
offset += data.packetHeader.chunk.header.dataLen;
}
break;
case 0x0001:
data.trackerList = Decoders.DataTrackerListChunk(
chunk.chunkData.subarray(offset)
);
offset += Constants.CHUNK_HEADER_SIZE;
if (data.trackerList.chunk.header.dataLen) {
offset += data.trackerList.chunk.header.dataLen;
}
break;
default:
break;
}
}
}
return {
chunk,
data,
};
return {
chunk,
data,
};
};