Method _poll

src/sdam/srv_polling.ts:114–145

()

  }

  async _poll(): Promise<void> {
    const generation = this.generation;
    let srvRecords;

    try {
      srvRecords = await dns.promises.resolve(this.srvAddress, 'SRV');
    } catch {
      this.failure();
      return;
    }

    if (generation !== this.generation) {
      return;
    }

    const finalAddresses: dns.SrvRecord[] = [];
    for (const record of srvRecords) {
      try {
        checkParentDomainMatch(record.name, this.srvHost);
        finalAddresses.push(record);
      } catch (error) {
        squashError(error);
      }
    }

    if (!finalAddresses.length) {
      this.failure();
      return;
    }

    this.success(finalAddresses);
  }
}