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backoff: update to Go style, document a bit, make 30s explicit

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Also, bit of behavior change: on non-nil err but expired context,
don't reset the consecutive failure count. I don't think the old
behavior was intentional.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2020-08-08 21:03:20 -07:00
committed by Brad Fitzpatrick
parent 696020227c
commit dd97111d06
4 changed files with 57 additions and 40 deletions
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4
control/controlclient/auto.go
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@ -241,7 +241,7 @@ func (c *Client) cancelMapSafely() {
func (c *Client) authRoutine() {
defer close(c.authDone)
bo := backoff.NewBackoff("authRoutine", c.logf)
bo := backoff.NewBackoff("authRoutine", c.logf, 30*time.Second)
for {
c.mu.Lock()
@ -401,7 +401,7 @@ func (c *Client) Direct() *Direct {
func (c *Client) mapRoutine() {
defer close(c.mapDone)
bo := backoff.NewBackoff("mapRoutine", c.logf)
bo := backoff.NewBackoff("mapRoutine", c.logf, 30*time.Second)
for {
c.mu.Lock()