58 lines
1.2 KiB
JavaScript
Executable File
58 lines
1.2 KiB
JavaScript
Executable File
const SmartBuffer = require('smart-buffer').SmartBuffer;
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exports.SLMessage = class SLMessage extends SmartBuffer {
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constructor(senderId, messageId) {
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super();
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this.writeUInt16LE(senderId);
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this.writeUInt16LE(messageId);
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this._wroteSize = false;
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}
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toBuffer() {
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if (this._wroteSize === false) {
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this.insertInt32LE(this.length - 4, 4);
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this._wroteSize = true;
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} else {
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this.writeInt32LE(this.length - 8, 4);
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}
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return super.toBuffer();
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}
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writeSLString(str) {
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this.writeInt32LE(str.length);
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this.writeString(str);
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if (str.length % 4 != 0) {
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this.skipWrite(4 - (str.length % 4));
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}
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}
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readSLString() {
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var len = this.readInt32LE();
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var str = this.readString(len);
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if (len % 4 != 0) {
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this.readOffset += 4 - (len % 4);
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}
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return str;
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}
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writeSLBuffer(buf) {
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this.writeInt32LE(buf.length);
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this.writeBuffer(buf);
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}
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skipWrite(num) {
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if (num > 0) {
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this.writeBuffer(Buffer.alloc(num));
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}
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}
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decode() {
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this.readOffset = 0;
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this.senderId = this.readUInt16LE();
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this.messageId = this.readUInt16LE();
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this.dataLength = this.readInt32LE();
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}
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}
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