jwetzell/psn-js
1
0
Fork 0
mirror of https://github.com/jwetzell/psn-js.git synced 2026-09-10 16:49:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

align structure more with underlying chunk layout

Browse Source
This commit is contained in:
Joel Wetzell
2025-01-06 21:49:08 -06:00
parent acac519e9a
commit 6580f66e91
35 changed files with 594 additions and 372 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/decoders/info/info-packet-chunk.ts
+23 -21
View File
@@ -1,37 +1,37 @@
import { Decoders } from '..';
import { Constants } from '../../constants';
import { InfoPacketChunk } from '../../models/info/info-packet-chunk';
import { InfoPacketChunk, InfoPacketChunkData } from '../../models/info/info-packet-chunk';
function decodeInfoPacketChunk(infoPacketChunk: InfoPacketChunk) {
if (infoPacketChunk.has_subchunks && infoPacketChunk.chunk_data && infoPacketChunk.data_len) {
export default (buffer: Uint8Array): InfoPacketChunk => {
const chunk = Decoders.Chunk(buffer);
const data: InfoPacketChunkData = {};
if (chunk.header.hasSubchunks && chunk.chunkData && chunk.header.dataLen) {
let offset = 0;
while (offset < infoPacketChunk.data_len) {
const view = new DataView(
infoPacketChunk.chunk_data.buffer,
infoPacketChunk.chunk_data.byteOffset,
infoPacketChunk.chunk_data.byteLength
);
while (offset < chunk.header.dataLen) {
const view = new DataView(chunk.chunkData.buffer, chunk.chunkData.byteOffset, chunk.chunkData.byteLength);
const chunkId = view.getUint16(offset, true);
switch (chunkId) {
case 0x0000:
infoPacketChunk.packet_header = Decoders.PacketHeaderChunk(infoPacketChunk.chunk_data.slice(offset));
data.packetHeader = Decoders.PacketHeaderChunk(chunk.chunkData.subarray(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoPacketChunk.packet_header?.data_len) {
offset += infoPacketChunk.packet_header.data_len;
if (data.packetHeader?.chunk.header.dataLen) {
offset += data.packetHeader.chunk.header.dataLen;
}
break;
case 0x0001:
infoPacketChunk.system_name = Decoders.InfoSystemNameChunk(infoPacketChunk.chunk_data.slice(offset));
data.systemName = Decoders.InfoSystemNameChunk(chunk.chunkData.subarray(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoPacketChunk.system_name?.data_len) {
offset += infoPacketChunk.system_name.data_len;
if (data.systemName?.chunk.header.dataLen) {
offset += data.systemName?.chunk.header.dataLen;
}
break;
case 0x0002:
infoPacketChunk.tracker_list = Decoders.InfoTrackerListChunk(infoPacketChunk.chunk_data.slice(offset));
data.trackerList = Decoders.InfoTrackerListChunk(chunk.chunkData.subarray(offset));
offset += Constants.CHUNK_HEADER_SIZE;
if (infoPacketChunk.tracker_list?.data_len) {
offset += infoPacketChunk.tracker_list.data_len;
if (data.trackerList?.chunk.header.dataLen) {
offset += data.trackerList.chunk.header.dataLen;
}
break;
default:
@@ -39,7 +39,9 @@ function decodeInfoPacketChunk(infoPacketChunk: InfoPacketChunk) {
}
}
}
}
export default (buffer: Uint8Array): InfoPacketChunk =>
Decoders.Chunk(buffer, decodeInfoPacketChunk) as InfoPacketChunk;
return {
chunk,
data,
};
};