Attempt to close failed streams

If we have a failed write toward any of our connections, attempt to
close the connection by returning "false" as in unsuccessful stream
This commit is contained in:
Kristoffer Dalby 2021-10-02 15:28:19 +01:00
parent cfd4781eb4
commit 6ffea2225d
No known key found for this signature in database
GPG Key ID: 09F62DC067465735
2 changed files with 7 additions and 3 deletions

View File

@ -309,6 +309,7 @@ func (h *Headscale) notifyChangesToPeers(m *Machine) {
Str("machine", m.Name).
Str("peer", p.Name).
Msgf("Peer %s does not appear to be polling", p.Name)
return
}
log.Trace().
Str("func", "notifyChangesToPeers").

View File

@ -230,6 +230,7 @@ func (h *Headscale) PollNetMapStream(
Str("channel", "pollData").
Err(err).
Msg("Cannot write data")
return false
}
log.Trace().
Str("handler", "PollNetMapStream").
@ -237,7 +238,7 @@ func (h *Headscale) PollNetMapStream(
Str("channel", "pollData").
Int("bytes", len(data)).
Msg("Data from pollData channel written successfully")
// TODO: Abstract away all the database calls, this can cause race conditions
// TODO(kradalby): Abstract away all the database calls, this can cause race conditions
// when an outdated machine object is kept alive, e.g. db is update from
// command line, but then overwritten.
err = h.UpdateMachine(&m)
@ -276,6 +277,7 @@ func (h *Headscale) PollNetMapStream(
Str("channel", "keepAlive").
Err(err).
Msg("Cannot write keep alive message")
return false
}
log.Trace().
Str("handler", "PollNetMapStream").
@ -283,7 +285,7 @@ func (h *Headscale) PollNetMapStream(
Str("channel", "keepAlive").
Int("bytes", len(data)).
Msg("Keep alive sent successfully")
// TODO: Abstract away all the database calls, this can cause race conditions
// TODO(kradalby): Abstract away all the database calls, this can cause race conditions
// when an outdated machine object is kept alive, e.g. db is update from
// command line, but then overwritten.
err = h.UpdateMachine(&m)
@ -336,6 +338,7 @@ func (h *Headscale) PollNetMapStream(
Str("channel", "update").
Err(err).
Msg("Could not write the map response")
return false
}
log.Trace().
Str("handler", "PollNetMapStream").
@ -347,7 +350,7 @@ func (h *Headscale) PollNetMapStream(
// we sometimes end in a state were the update
// is not picked up by a client and we use this
// to determine if we should "force" an update.
// TODO: Abstract away all the database calls, this can cause race conditions
// TODO(kradalby): Abstract away all the database calls, this can cause race conditions
// when an outdated machine object is kept alive, e.g. db is update from
// command line, but then overwritten.
err = h.UpdateMachine(&m)