Method socketFailed

packages/utils/socksProxy.ts:240–267

(errorCode: string)

  }

  socketFailed(errorCode: string) {
    const buffer = Buffer.from([
      0x05,
      0,
      0x00, // RSV
      ...ipToSocksAddress('0.0.0.0'), // ATYP, Address
      0, 0 // Port
    ]);
    switch (errorCode) {
      case 'ENOENT':
      case 'ENOTFOUND':
      case 'ETIMEDOUT':
      case 'EHOSTUNREACH':
        buffer[1] = SocksReply.HostUnreachable;
        break;
      case 'ENETUNREACH':
        buffer[1] = SocksReply.NetworkUnreachable;
        break;
      case 'ECONNREFUSED':
        buffer[1] = SocksReply.ConnectionRefused;
        break;
      case 'ERULESET':
        buffer[1] = SocksReply.NotAllowedByRuleSet;
        break;
    }
    this._writeBytes(buffer);
    this._socket.end();
  }

  sendData(data: Buffer) {
    this._socket.write(data);