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replace NodeJS buffer with Uint8Array

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This commit is contained in:
Joel Wetzell
2024-10-23 16:38:16 -05:00
parent 90e1bd09a0
commit 4eaedcdfaa
34 changed files with 235 additions and 113 deletions
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src/decoders/info/info-packet-chunk.ts
+11 -5
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@@ -6,24 +6,29 @@ function decodeInfoPacketChunk(infoPacketChunk: InfoPacketChunk) {
if (infoPacketChunk.has_subchunks && infoPacketChunk.chunk_data && infoPacketChunk.data_len) {
let offset = 0;
while (offset < infoPacketChunk.data_len) {
const chunkId = infoPacketChunk.chunk_data.readUInt16LE(offset);
const view = new DataView(
infoPacketChunk.chunk_data.buffer,
infoPacketChunk.chunk_data.byteOffset,
infoPacketChunk.chunk_data.byteLength
);
const chunkId = view.getUint16(offset, true);
switch (chunkId) {
case 0x0000:
infoPacketChunk.packet_header = Decoders.PacketHeaderChunk(infoPacketChunk.chunk_data.subarray(offset));
infoPacketChunk.packet_header = Decoders.PacketHeaderChunk(infoPacketChunk.chunk_data.slice(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoPacketChunk.packet_header?.data_len) {
offset += infoPacketChunk.packet_header.data_len;
}
break;
case 0x0001:
infoPacketChunk.system_name = Decoders.InfoSystemNameChunk(infoPacketChunk.chunk_data.subarray(offset));
infoPacketChunk.system_name = Decoders.InfoSystemNameChunk(infoPacketChunk.chunk_data.slice(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoPacketChunk.system_name?.data_len) {
offset += infoPacketChunk.system_name.data_len;
}
break;
case 0x0002:
infoPacketChunk.tracker_list = Decoders.InfoTrackerListChunk(infoPacketChunk.chunk_data.subarray(offset));
infoPacketChunk.tracker_list = Decoders.InfoTrackerListChunk(infoPacketChunk.chunk_data.slice(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoPacketChunk.tracker_list?.data_len) {
offset += infoPacketChunk.tracker_list.data_len;
@@ -36,4 +41,5 @@ function decodeInfoPacketChunk(infoPacketChunk: InfoPacketChunk) {
}
}
export default (buffer: Buffer): InfoPacketChunk => Decoders.Chunk(buffer, decodeInfoPacketChunk) as InfoPacketChunk;
export default (buffer: Uint8Array): InfoPacketChunk =>
Decoders.Chunk(buffer, decodeInfoPacketChunk) as InfoPacketChunk;
src/decoders/info/info-system-name-chunk.ts
+4 -2
View File
@@ -3,9 +3,11 @@ import { InfoSystemNameChunk } from '../../models/info/info-system-name-chunk';
function decodeSystemNameChunk(systemNameChunk: InfoSystemNameChunk) {
if (systemNameChunk.chunk_data !== undefined && systemNameChunk.data_len !== undefined) {
systemNameChunk.system_name = systemNameChunk.chunk_data.subarray(0, systemNameChunk.data_len).toString();
systemNameChunk.system_name = new TextDecoder().decode(
systemNameChunk.chunk_data.slice(0, systemNameChunk.data_len)
);
}
}
export default (buffer: Buffer): InfoSystemNameChunk =>
export default (buffer: Uint8Array): InfoSystemNameChunk =>
Decoders.Chunk(buffer, decodeSystemNameChunk) as InfoSystemNameChunk;
src/decoders/info/info-tracker-chunk.ts
+8 -3
View File
@@ -6,10 +6,15 @@ function decodeInfoTrackerChunk(infoTrackerChunk: InfoTrackerChunk) {
if (infoTrackerChunk.has_subchunks && infoTrackerChunk.chunk_data && infoTrackerChunk.data_len) {
let offset = 0;
while (offset < infoTrackerChunk.data_len) {
const chunkId = infoTrackerChunk.chunk_data.readUInt16LE(offset);
const view = new DataView(
infoTrackerChunk.chunk_data.buffer,
infoTrackerChunk.chunk_data.byteOffset,
infoTrackerChunk.chunk_data.byteLength
);
const chunkId = view.getUint16(offset, true);
switch (chunkId) {
case 0x0000:
infoTrackerChunk.tracker_name = Decoders.InfoTrackerNameChunk(infoTrackerChunk.chunk_data.subarray(offset));
infoTrackerChunk.tracker_name = Decoders.InfoTrackerNameChunk(infoTrackerChunk.chunk_data.slice(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoTrackerChunk.tracker_name?.data_len) {
offset += infoTrackerChunk?.tracker_name?.data_len;
@@ -23,4 +28,4 @@ function decodeInfoTrackerChunk(infoTrackerChunk: InfoTrackerChunk) {
}
}
export default (buffer: Buffer): InfoTrackerChunk => Decoders.Chunk(buffer, decodeInfoTrackerChunk);
export default (buffer: Uint8Array): InfoTrackerChunk => Decoders.Chunk(buffer, decodeInfoTrackerChunk);
src/decoders/info/info-tracker-list-chunk.ts
+2 -2
View File
@@ -8,7 +8,7 @@ function decodeInfoTrackerListChunk(infoTrackerListChunk: InfoTrackerListChunk)
let offset = 0;
if (infoTrackerListChunk.data_len) {
while (offset < infoTrackerListChunk.data_len) {
const trackerChunk = Decoders.InfoTrackerChunk(infoTrackerListChunk.chunk_data.subarray(offset));
const trackerChunk = Decoders.InfoTrackerChunk(infoTrackerListChunk.chunk_data.slice(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (trackerChunk.data_len) {
offset += trackerChunk.data_len;
@@ -20,5 +20,5 @@ function decodeInfoTrackerListChunk(infoTrackerListChunk: InfoTrackerListChunk)
}
}
}
export default (buffer: Buffer): InfoTrackerListChunk =>
export default (buffer: Uint8Array): InfoTrackerListChunk =>
Decoders.Chunk(buffer, decodeInfoTrackerListChunk) as InfoTrackerListChunk;
src/decoders/info/info-tracker-name-chunk.ts
+4 -2
View File
@@ -3,8 +3,10 @@ import { InfoTrackerNameChunk } from '../../models/info/info-tracker-name-chunk'
function decodeTrackerNameChunk(trackerNameChunk: InfoTrackerNameChunk) {
if (trackerNameChunk.chunk_data !== undefined && trackerNameChunk.data_len !== undefined) {
trackerNameChunk.tracker_name = trackerNameChunk.chunk_data.subarray(0, trackerNameChunk.data_len).toString();
trackerNameChunk.tracker_name = new TextDecoder().decode(
trackerNameChunk.chunk_data.slice(0, trackerNameChunk.data_len)
);
}
}
export default (buffer: Buffer): InfoTrackerNameChunk =>
export default (buffer: Uint8Array): InfoTrackerNameChunk =>
Decoders.Chunk(buffer, decodeTrackerNameChunk) as InfoTrackerNameChunk;