You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.3 KiB
65 lines
1.3 KiB
#!/usr/bin/env node
|
|
|
|
var mdns = require('./')()
|
|
var path = require('path')
|
|
var os = require('os')
|
|
|
|
var announcing = process.argv.indexOf('--announce') > -1
|
|
|
|
if (process.argv.length < 3) {
|
|
console.error('Usage: %s <hostname>', path.basename(process.argv[1]))
|
|
process.exit(1)
|
|
}
|
|
var hostname = process.argv[2]
|
|
|
|
if (announcing) {
|
|
var ip = getIp()
|
|
mdns.on('query', function (query) {
|
|
query.questions.forEach(function (q) {
|
|
if (q.name === hostname) {
|
|
console.log('Responding %s -> %s', q.name, ip)
|
|
mdns.respond({
|
|
answers: [{
|
|
type: 'A',
|
|
name: q.name,
|
|
data: ip
|
|
}]
|
|
})
|
|
}
|
|
})
|
|
})
|
|
} else {
|
|
mdns.on('response', function (response) {
|
|
response.answers.forEach(function (answer) {
|
|
if (answer.name === hostname) {
|
|
console.log(answer.data)
|
|
process.exit()
|
|
}
|
|
})
|
|
})
|
|
|
|
mdns.query(hostname, 'A')
|
|
|
|
// Give responses 3 seconds to respond
|
|
setTimeout(function () {
|
|
console.error('Hostname not found')
|
|
process.exit(1)
|
|
}, 3000)
|
|
}
|
|
|
|
function getIp () {
|
|
var networks = os.networkInterfaces()
|
|
var found = '127.0.0.1'
|
|
|
|
Object.keys(networks).forEach(function (k) {
|
|
var n = networks[k]
|
|
n.forEach(function (addr) {
|
|
if (addr.family === 'IPv4' && !addr.internal) {
|
|
found = addr.address
|
|
}
|
|
})
|
|
})
|
|
|
|
return found
|
|
}
|