cri-o/vendor/k8s.io/kubernetes/test/images/net/README.md

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# Overview
The goal of this Go project is to consolidate all low-level
network testing "daemons" into one place. In network testing we
frequently have need of simple daemons (common/Runner) that perform
some "trivial" set of actions on a socket.
# Usage
* A package for each general area that is being tested, for example
`nat/` will contain Runners that test various NAT features.
* Every runner should be registered via `main.go:makeRunnerMap()`.
* Runners receive a JSON options structure as to their configuration. `Run()`
should return the disposition of the test.
Runners can be executed into two different ways, either through the
the command-line or via an HTTP request:
## Command-line
````
$ ./net -runner <runner> -options <json>
./net \
-runner nat-closewait-client \
-options '{"RemoteAddr":"127.0.0.1:9999"}'
````
## HTTP server
````
$ ./net --serve :8889
$ curl -v -X POST localhost:8889/run/nat-closewait-server \
-d '{"LocalAddr":"127.0.0.1:9999"}'
````
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