tailscale/net/sockstats/sockstats.go

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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Package sockstats collects statistics about network sockets used by
// the Tailscale client. The context where sockets are used must be
// instrumented with the WithSockStats() function.
//
// Only available on POSIX platforms when built with Tailscale's fork of Go.
package sockstats
import (
"context"
"tailscale.com/net/interfaces"
)
type SockStats struct {
Stats map[string]SockStat
Interfaces []string
}
type SockStat struct {
TxBytes int64
RxBytes int64
TxBytesByInterface map[string]int64
RxBytesByInterface map[string]int64
}
func WithSockStats(ctx context.Context, label string) context.Context {
return withSockStats(ctx, label)
}
func Get() *SockStats {
return get()
}
// LinkMonitor is the interface for the parts of wgengine/mointor's Mon that we
// need, to avoid the dependency.
type LinkMonitor interface {
InterfaceState() *interfaces.State
RegisterChangeCallback(interfaces.ChangeFunc) (unregister func())
}
func SetLinkMonitor(lm LinkMonitor) {
setLinkMonitor(lm)
}