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TUN-9322: Add metric for unsupported RPC commands for datagram v3

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Additionally adds support for the connection index as a label for the
datagram v3 specific tunnel metrics.

Closes TUN-9322
This commit is contained in:
Devin Carr
2025-05-13 16:11:09 +00:00
parent ce27840573
commit 02705c44b2
10 changed files with 133 additions and 96 deletions
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6
quic/v3/muxer.go
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@@ -264,10 +264,10 @@ func (c *datagramConn) handleSessionRegistrationDatagram(ctx context.Context, da
return
}
log = log.With().Str(logSrcKey, session.LocalAddr().String()).Logger()
c.metrics.IncrementFlows()
c.metrics.IncrementFlows(c.index)
// Make sure to eventually remove the session from the session manager when the session is closed
defer c.sessionManager.UnregisterSession(session.ID())
defer c.metrics.DecrementFlows()
defer c.metrics.DecrementFlows(c.index)
// Respond that we are able to process the new session
err = c.SendUDPSessionResponse(datagram.RequestID, ResponseOk)
@@ -315,7 +315,7 @@ func (c *datagramConn) handleSessionAlreadyRegistered(requestID RequestID, logge
// The session is already running in another routine so we want to restart the idle timeout since no proxied
// packets have come down yet.
session.ResetIdleTimer()
c.metrics.RetryFlowResponse()
c.metrics.RetryFlowResponse(c.index)
logger.Debug().Msgf("flow registration response retry")
}