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on-net-listen
Advanced tools
Observe when something in your node app starts listening on a TCP port
Observe when something in your node app starts listening on a TCP port.
npm install on-net-listen
Uses async_hooks
behind the scenes and requires Node >=9
var onnetlisten = require('on-net-listen')
onnetlisten(function (addr) {
// addr is the same object as server.address()
// for the port do addr.port
console.log('Someone started listening:', addr)
})
var http = require('http')
var server = http.createServer(function () {
// ...
})
server.listen(0) // will trigger the above listener
var emitter = onnetlisten(onlistening)
Start listening for when TCP servers start listening.
The returned event emitter emits listening
when that happens
with the address object for the tcp server that started listening.
To stop the listener do emitter.destroy()
Credit to @andreasmadsen for writing most of this module and being an async_hooks wizard
This project was kindly sponsored by nearForm.
MIT
FAQs
Observe when something in your node app starts listening on a TCP port
The npm package on-net-listen receives a total of 161,193 weekly downloads. As such, on-net-listen popularity was classified as popular.
We found that on-net-listen demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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