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42 lines
1.4 KiB
Markdown
42 lines
1.4 KiB
Markdown
httpdown [](https://travis-ci.org/facebookgo/httpdown)
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========
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Documentation: https://godoc.org/github.com/facebookgo/httpdown
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Package httpdown provides a library that makes it easy to build a HTTP server
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that can be shutdown gracefully (that is, without dropping any connections).
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If you want graceful restart and not just graceful shutdown, look at the
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[grace](https://github.com/facebookgo/grace) package which uses this package
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underneath but also provides graceful restart.
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Usage
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-----
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Demo HTTP Server with graceful termination:
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https://github.com/facebookgo/httpdown/blob/master/httpdown_example/main.go
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1. Install the demo application
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go get github.com/facebookgo/httpdown/httpdown_example
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1. Start it in the first terminal
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httpdown_example
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This will output something like:
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2014/11/18 21:57:50 serving on http://127.0.0.1:8080/ with pid 17
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1. In a second terminal start a slow HTTP request
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curl 'http://localhost:8080/?duration=20s'
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1. In a third terminal trigger a graceful shutdown (using the pid from your output):
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kill -TERM 17
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This will demonstrate that the slow request was served before the server was
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shutdown. You could also have used `Ctrl-C` instead of `kill` as the example
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application triggers graceful shutdown on TERM or INT signals.
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