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derp: add clients_replaced counter

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Updates #109
This commit is contained in:
Brad Fitzpatrick 2020-03-11 11:53:13 -07:00 committed by Brad Fitzpatrick
parent b364a871bf
commit 4fd29349b9
1 changed files with 3 additions and 0 deletions
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3
derp/derp_server.go
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@ -50,6 +50,7 @@ type Server struct {
accepts expvar.Int
curClients expvar.Int
curHomeClients expvar.Int // ones with preferred
clientsReplaced expvar.Int
unknownFrames expvar.Int
homeMovesIn expvar.Int // established clients announce home server moves in
homeMovesOut expvar.Int // established clients announce home server moves out
@ -145,6 +146,7 @@ func (s *Server) registerClient(c *sclient) {
if old == nil {
c.logf("adding connection")
} else {
s.clientsReplaced.Add(1)
old.nc.Close()
c.logf("adding connection, replacing %s", old.nc.RemoteAddr())
}
@ -539,6 +541,7 @@ func (s *Server) ExpVar() expvar.Var {
m.Set("gauge_current_connnections", &s.curClients)
m.Set("gauge_current_home_connnections", &s.curHomeClients)
m.Set("accepts", &s.accepts)
m.Set("clients_replaced", &s.clientsReplaced)
m.Set("bytes_received", &s.bytesRecv)
m.Set("bytes_sent", &s.bytesSent)
m.Set("packets_dropped", &s.packetsDropped)