33 lines
798 B
Go
33 lines
798 B
Go
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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package routecheck
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import (
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"log"
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"tailscale.com/envknob"
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)
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// Debugging tweakable.
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var debugRoutecheck = envknob.RegisterBool("TS_DEBUG_ROUTECHECK")
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// Logf calls [Client.Logf] to print to a logger.
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// Arguments are handled in the manner of fmt.Printf.
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func (c *Client) logf(format string, a ...any) {
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if c.Logf != nil {
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c.Logf(format, a...)
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} else {
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log.Printf(format, a...)
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}
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}
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// Vlogf calls [Client.Logf] to print to a logger, only when in debug mode,
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// which is when the TS_DEBUG_ROUTECHECK environment variable is set.
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// Arguments are handled in the manner of fmt.Printf.
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func (c *Client) vlogf(format string, a ...any) {
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if c.Verbose || debugRoutecheck() {
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c.logf(format, a...)
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}
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}
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