andrade-soulseek-downloader/dist/slsk-client/message.js

Simple, safe Soulseek download library with built-in rate limiting to prevent bans

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Message = void 0;
class Message {
    data;
    write;
    pointer = 0;
    constructor(buffer) {
        if (buffer) {
            this.data = buffer;
            this.write = false;
        }
        else {
            this.data = Buffer.alloc(0);
            this.write = true;
        }
    }
    int8(val) {
        return this.write ? this.write8(val) : this.read8();
    }
    int32(val) {
        return this.write ? this.write32(val) : this.read32();
    }
    str(val) {
        return this.write ? this.writeStr(val) : this.readStr();
    }
    rawHexStr(val) {
        return this.write ? this.writeRawHexStr(val) : this.readRawHexStr(val);
    }
    size() {
        return this.data.length;
    }
    seek(val) {
        this.pointer += val;
    }
    write8(val) {
        const b = Buffer.alloc(1);
        b.writeUInt8(val, 0);
        this.data = Buffer.concat([this.data, b]);
        this.pointer += 1;
        return this;
    }
    write32(val) {
        const b = Buffer.alloc(4);
        b.writeUInt32LE(val, 0);
        this.data = Buffer.concat([this.data, b]);
        this.pointer += 4;
        return this;
    }
    writeStr(val) {
        const b = Buffer.from(val, 'utf8');
        const s = Buffer.alloc(4);
        s.writeUInt32LE(b.length, 0);
        this.data = Buffer.concat([this.data, s, b]);
        return this;
    }
    writeRawHexStr(val) {
        const b = Buffer.from(val, 'hex');
        this.data = Buffer.concat([this.data, b]);
        this.pointer += b.length;
        return this;
    }
    writeBuffer(buff) {
        this.data = Buffer.concat([this.data, buff]);
        this.pointer += buff.length;
        return this;
    }
    read8() {
        const val = this.data.readUInt8(this.pointer);
        this.pointer += 1;
        return val;
    }
    read32() {
        const val = this.data.readUInt32LE(this.pointer);
        this.pointer += 4;
        return val;
    }
    readStr() {
        const size = this.data.readUInt32LE(this.pointer);
        this.pointer += 4;
        const str = this.data.toString('utf8', this.pointer, this.pointer + size);
        this.pointer += size;
        return str;
    }
    readRawHexStr(size) {
        const str = this.data.toString('hex', this.pointer, this.pointer + size);
        this.pointer += size;
        return str;
    }
    getBuff() {
        const b = Buffer.alloc(4);
        b.writeUInt32LE(this.data.length, 0);
        this.data = Buffer.concat([b, this.data]);
        this.write = false;
        return this.data;
    }
}
exports.Message = Message;
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