TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2024-11-26 03:25:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

wgengine/magicsock: remove TODO

Browse Source 
The TODO above derphttp.NewClient suggests it does network I/O,
but the derphttp client connects lazily and so creating one is
very cheap.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
This commit is contained in:
David Crawshaw 2020-03-11 10:40:46 -04:00 committed by David Crawshaw
parent af58cfc476
commit 7ec54e0064
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
wgengine/magicsock/magicsock.go
View File

@ -706,7 +706,8 @@ func (c *Conn) derpWriteChanOfAddr(addr *net.UDPAddr) chan<- derpWriteRequest {
return nil
}
// TODO(bradfitz): don't hold derpMu here. It's slow. Release first and use singleflight to dial+re-lock to add.
// Note that derphttp.NewClient does not dial the server
// so it is safe to do under the derpMu lock.
dc, err := derphttp.NewClient(c.privateKey, "https://"+derpSrv.HostHTTPS+"/derp", c.logf)
if err != nil {
c.logf("derphttp.NewClient: port %d, host %q invalid? err: %v", addr.Port, derpSrv.HostHTTPS, err)