mdns-npm

Use

import { MdnsResponder } from '@altronix/mdns';

async function main() {
  const responder = new MdnsResponder()

  async function stopResponder() {
    console.log('\nStopping mDNS responder...')
    try {
      await responder.stop()
      console.log('mDNS responder stopped successfully.')
    } catch (error) {
      console.error('Error stopping mDNS responder:', error)
    } finally {
      process.exit(0)
    }
  }

  try {
    // Start advertising the first IP address
    const firstIpAddress = '192.168.20.20'
    console.log(`Starting mDNS responder with IP: ${firstIpAddress}`)
    await responder.start(firstIpAddress)

    try {
      const interfaces = await responder.getNetworkInterfaces()
      console.log(interfaces)
    } catch (error) {
      console.error('Error getting network interfaces:', error)
    }

    // Schedule changing the IP address after 3 minutes
    setTimeout(async () => {
      const secondIpAddress = '192.168.30.30'
      console.log(`Changing advertised IP to: ${secondIpAddress}`)
      await responder.changeIpAddress(secondIpAddress)
      console.log('IP address changed successfully')

      // Schedule stop advertising after another 3 minutes
      setTimeout(async () => {
        await stopResponder()
      }, 3 * 60 * 1000) // 3 minutes in milliseconds
    }, 3 * 60 * 1000) // 3 minutes in milliseconds

    console.log('Press Ctrl+C to stop the responder.')

    // Handle graceful shutdown
    process.on('SIGINT', stopResponder)
    process.on('SIGTERM', stopResponder)
  } catch (error) {
    console.error('Error in mDNS responder:', error)
    process.exit(1)
  }
}

main()