| System: Linux srv913213 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 Current Path : /var/www/talentgenesis_admin_backend/node_modules/@nestjs/microservices/helpers/ |
| Current File : /var/www/talentgenesis_admin_backend/node_modules/@nestjs/microservices/helpers/json-socket.js |
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.JsonSocket = void 0;
const buffer_1 = require("buffer");
const string_decoder_1 = require("string_decoder");
const corrupted_packet_length_exception_1 = require("../errors/corrupted-packet-length.exception");
const tcp_socket_1 = require("./tcp-socket");
class JsonSocket extends tcp_socket_1.TcpSocket {
constructor() {
super(...arguments);
this.contentLength = null;
this.buffer = '';
this.stringDecoder = new string_decoder_1.StringDecoder();
this.delimiter = '#';
}
handleSend(message, callback) {
this.socket.write(this.formatMessageData(message), 'utf-8', callback);
}
handleData(dataRaw) {
const data = buffer_1.Buffer.isBuffer(dataRaw)
? this.stringDecoder.write(dataRaw)
: dataRaw;
this.buffer += data;
if (this.contentLength == null) {
const i = this.buffer.indexOf(this.delimiter);
/**
* Check if the buffer has the delimiter (#),
* if not, the end of the buffer string might be in the middle of a content length string
*/
if (i !== -1) {
const rawContentLength = this.buffer.substring(0, i);
this.contentLength = parseInt(rawContentLength, 10);
if (isNaN(this.contentLength)) {
this.contentLength = null;
this.buffer = '';
throw new corrupted_packet_length_exception_1.CorruptedPacketLengthException(rawContentLength);
}
this.buffer = this.buffer.substring(i + 1);
}
}
if (this.contentLength !== null) {
const length = this.buffer.length;
if (length === this.contentLength) {
this.handleMessage(this.buffer);
}
else if (length > this.contentLength) {
const message = this.buffer.substring(0, this.contentLength);
const rest = this.buffer.substring(this.contentLength);
this.handleMessage(message);
this.handleData(rest);
}
}
}
handleMessage(message) {
this.contentLength = null;
this.buffer = '';
this.emitMessage(message);
}
formatMessageData(message) {
const messageData = JSON.stringify(message);
const length = messageData.length;
const data = length + this.delimiter + messageData;
return data;
}
}
exports.JsonSocket = JsonSocket;