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63 lines
2.5 KiB
Markdown
63 lines
2.5 KiB
Markdown
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# Arista Go library [](https://travis-ci.org/aristanetworks/goarista) [](http://codecov.io/github/aristanetworks/goarista?branch=master) [](https://godoc.org/github.com/aristanetworks/goarista) [](https://goreportcard.com/report/github.com/aristanetworks/goarista)
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## areflect
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Helper functions to work with the `reflect` package. Contains
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`ForceExport()`, which bypasses the check in `reflect.Value` that
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prevents accessing unexported attributes.
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## monotime
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Provides access to a fast monotonic clock source, to fill in the gap in the
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[Go standard library, which lacks one](https://github.com/golang/go/issues/12914).
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Don't use `time.Now()` in code that needs to time things or otherwise assume
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that time passes at a constant rate, instead use `monotime.Now()`.
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## cmd
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See the [cmd](cmd) directory.
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## dscp
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Provides `ListenTCPWithTOS()`, which is a replacement for `net.ListenTCP()`
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that allows specifying the ToS (Type of Service), to specify DSCP / ECN /
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class of service flags to use for incoming connections.
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## key
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Provides a common type used across various Arista projects, named `key.Key`,
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which is used to work around the fact that Go can't let one
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use a non-hashable type as a key to a `map`, and we sometimes need to use
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a `map[string]interface{}` (or something containing one) as a key to maps.
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As a result, we frequently use `map[key.Key]interface{}` instead of just
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`map[interface{}]interface{}` when we need a generic key-value collection.
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## lanz
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A client for [LANZ](https://eos.arista.com/latency-analyzer-lanz-architectures-and-configuration/)
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streaming servers. It connects to a LANZ streaming server,
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listens for notifications, decodes them and sends the LANZ protobuf on the
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provided channel.
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## monitor
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A library to help expose monitoring metrics on top of the
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[`expvar`](https://golang.org/pkg/expvar/) infrastructure.
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## netns
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`netns.Do(namespace, cb)` provides a handy mechanism to execute the given
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callback `cb` in the given [network namespace](https://lwn.net/Articles/580893/).
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## pathmap
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A datastructure for mapping keys of type string slice to values. It
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allows for some fuzzy matching.
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## test
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This is a [Go](http://golang.org/) library to help in writing unit tests.
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## Examples
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TBD
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