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wgengine/magicsock: turn off DERP log spamminess by default

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2020-02-24 10:23:28 -08:00
parent accf868130
commit 8696b17b5f
1 changed files with 5 additions and 1 deletions
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6
wgengine/magicsock/magicsock.go
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@ -534,6 +534,8 @@ type derpReadResult struct {
copyBuf func(dst []byte) int copyBuf func(dst []byte) int
} }
var logDerpVerbose, _ = strconv.ParseBool(os.Getenv("DEBUG_DERP_VERBOSE"))
// runDerpReader runs in a goroutine for the life of a DERP // runDerpReader runs in a goroutine for the life of a DERP
// connection, handling received packets. // connection, handling received packets.
func (c *Conn) runDerpReader(derpFakeAddr *net.UDPAddr, dc *derphttp.Client) { func (c *Conn) runDerpReader(derpFakeAddr *net.UDPAddr, dc *derphttp.Client) {
@ -569,7 +571,9 @@ func (c *Conn) runDerpReader(derpFakeAddr *net.UDPAddr, dc *derphttp.Client) {
// TODO: handle endpoint notification messages. // TODO: handle endpoint notification messages.
continue continue
} }
log.Printf("got derp %v packet: %q", derpFakeAddr, buf[:bufValid]) if logDerpVerbose {
log.Printf("got derp %v packet: %q", derpFakeAddr, buf[:bufValid])
}
select { select {
case <-c.donec: case <-c.donec:
return return