net's Introduction

Management Network Library

Management Protocol Network implementations in Go

This package includes:

Client side support of the NETCONF Protocol defined in (rfc6241).
Client side support for NETCONF Notifications defined in (rc5277).
GetSchemas and GetSchema from NETCONF Monitoring defined in (rfc6022).
Client side support of the SNMP Protocol defined in (rfc3416).

The library includes support for the following cross-cutting concerns through dependency injection:

Logging
Metrics
Configuration

The transport layer is externalized from the Library using dependency injection, allowing the user to choose and configure as their specific environment requires. Go Examples are included for demonstration purposes.

The package can be downloaded with the following command, note the v2 in the module path.

go get -u github.com/damianoneill/net/v2/...

Credits

The implementation of the framing codec in the rfc6242 package has been adapted from an implementation by Andrew Fort - https://github.com/andaru/netconf.

The implementation of the ber encoding has been leveraged from the implementation by Geoff Garside - https://github.com/geoffgarside/ber.

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net's Issues

Generic Session Drop Awareness

Is it possible to be notified of the session ending?
Perhaps due to a general connectivity issue.

For example, I open sessions with the Server and listen for notifications.
If the session drops, how can I become aware of it?

can add snmp v3 support?

SNMP SessionTrace has non-exported dependencies, thus I can't supply my own logging hooks

I want to do this ...

factory.NewSession(
 ctx, 
 address,
 snmp.Community(host.User), 
 snmp.LoggingHooks(MyLoggingHooks))

but quoting https://github.com/damianoneill/net/blob/master/v2/snmp/trace.go :

// SessionTrace defines a structure for handling trace events
type SessionTrace struct {
	// ConnectStart is called before establishing a network connection to an agent.
	ConnectStart func(config *sessionConfig)
	// ConnectDone is called when the network connection attempt completes, with err indicating
	// whether it was successful.
	ConnectDone func(config *sessionConfig, err error)

etc etc

A work around is to use one of the supplied ones i.e. DiagnosticLoggingHooks, DefaultLoggingHooks or NoOpLoggingHooks (though as I want simply timings, the DiagnosticLoggingHooks one very verbose)