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update: do not delete WTVSec on last socket, instead recreate on prereg

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update: clean up SSID session data only if client is not seen for 3 minutes
update: add shouldWeCompress() function
update: tweak lzpf (still corrupted)
update: rename wtv-setup:/get to wtv-setup:/get-settings
update: add additional headers to wtv-setup:/get-settings
update: add initial blank wtv-music:/get-playlist
This commit is contained in:
zefie
2021-08-06 12:18:30 -04:00
parent 345f106b2c
commit ad16a04c55
9 changed files with 137 additions and 86 deletions
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31
zefie_wtvp_minisrv/WTVLzpf.js
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@@ -12,8 +12,9 @@ class WTVLzpf {
current_length = 0
current_literal = 0
compressed_offset = 0
flag_table = new Uint16Array(0x1000)
compressed_data = []
compressed_data = null;
nomatchEncode = [
[0x0000, 0x10], [0x0001, 0x10], [0x0002, 0x10],
@@ -274,8 +275,9 @@ class WTVLzpf {
clear() {
this.current_length = 0;
this.current_literal = 0;
this.compressed_offset = 0;
this.flag_table.fill(0xFFFF, 0, 0x1000);
this.compressed_data = [];
this.compressed_data = null;
}
/**
@@ -294,7 +296,7 @@ class WTVLzpf {
while (this.current_length > 7) {
//console.log("add", this.current_literal >>> 0, code >>> 0, byte, type)
this.compressed_data.push((this.current_literal >>> 0x18) & 0xFF);
this.compressed_offset = this.compressed_data.writeUInt8((this.current_literal >>> 0x18) & 0xFF, this.compressed_offset);
this.current_length -= 8;
this.current_literal = (this.current_literal << 8) & 0xFFFFFFFF;
@@ -312,12 +314,19 @@ class WTVLzpf {
this.clear();
if (uncompressed_data.words) {
uncompressed_data = new Buffer.from(this.wordArrayToUint8Array(uncompressed_data));
} else {
// if its a wordArray convert it to a Buffer
// Barrow function from WTVSec class
const WTVSec = require("./WTVSec.js");
var wtvsec = new WTVSec();
uncompressed_data = new Buffer.from(wtvsec.wordArrayToUint8Array(uncompressed_data));
} else if (!uncompressed_data.byteLength) {
// otherwise if its not already a Buffer, convert it to one
uncompressed_data = new Buffer.from(uncompressed_data);
}
var uncompressed_len = uncompressed_data.length;
var uncompressed_len = uncompressed_data.byteLength;
this.compressed_data = new Buffer.alloc(uncompressed_len);
var i = 0;
var sum = 0;
@@ -403,10 +412,14 @@ class WTVLzpf {
this.EncodeLiteral(0x08, (sum << 0x18) & 0xFFFFFFFF);
// End
this.compressed_data.push(this.current_literal >>> 0x18);
this.compressed_data.push(0x20);
this.compressed_offset = this.compressed_data.writeUInt8(this.current_literal >>> 0x18, this.compressed_offset);
this.compressed_offset = this.compressed_data.writeUInt8(0x20, this.compressed_offset);
return new Buffer.from(this.compressed_data);
var output_buffer = new Buffer.alloc(this.compressed_offset);
this.compressed_data.copy(output_buffer, 0, 0, this.compressed_offset)
this.compressed_data = null;
return output_buffer;
}
}