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TCP ping utility for node.js. You can test if chosen address accepts connections at desired port and find out your latency. Great for service availability testing.
#####Why not ping
wrapper?
ping
tool (as soon as connection gets accepted, it's dropped and a new measure is conducted immediately), so there's no unnecessary waiting between requests.###Install
npm install tcp-ping
###Functions
#####ping(options, callback)
options
is an object, which may contain several properties:
localhost
)80
)callback
should be a function with arguments in node convention - function(err, data)
.
Returned data is an object which looks like this:
{
address: '46.28.246.123',
port: 80,
attempts: 10,
avg: 19.7848844,
max: 35.306233,
min: 16.526067,
results:
[
{ seq: 0, time: 35.306233 },
{ seq: 1, time: 16.585919 },
...
{ seq: 9, time: 17.625968 }
]
}
#####probe(address, port, callback)
callback
is a node style callback function(err, data)
, where data is true if the server is available and false otherwise.
###Usage
var tcpp = require('tcp-ping');
tcpp.probe('46.28.246.123', 80, function(err, available) {
console.log(available);
});
tcpp.ping({ address: '46.28.246.123' }, function(err, data) {
console.log(data);
});
FAQs
A ping utility using TCP connection
We found that tcp-ping 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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