jersey

Bridges UDP packets on to the information superhighway.

npm install jersey
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node-jersey

Bridges UDP packets on to the information superhighway.

Why?

Say you're using metricsd or one of the other statsd implementations and running it on a different network than your application (probably a silly idea, but it happens). A different network that blocks outbound UDP packets (*cough*Azure*cough*).

You could modify your application to send metrics via TCP (with Node, you could fake non-blocking-ness), but then you'd need to modify the metricsd/statsd server to speak TCP (and break the protocol in the process or risk lots of incorrect meters being created).

Or, you could continue as you were, sending metrics over UDP to localhost and let Jersey proxy them over a TCP socket and back to UDP on the side hosting the metricsd/statsd server. Then, if you later move both applications to the same network, simply reconfigure the server name and stop using Jersey.

How?

Spin up an on-ramp (UDP → TCP), listening on udp://localhost:8125 and connecting to tcp://localhost:8126 by default:

$ jersey-onramp

Spin up an off-ramp (TCP → UDP), listening on tcp://localhost:8126 and connecting to udp://localhost:8125 by default:

$ jersey-offramp

(Note: these form a loop when run on the same host. Use --help for options.)

You can also create on- and off-ramps programmatically. See bin/onramp and bin/offramp to see how.

License

Copyright (c) 2012 Seth Fitzsimmons

Published under the BSD License.

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