From 109bec1e72285a4b58c7b4b3ae14105c7ffc7e4f Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 17 Oct 2016 16:43:27 +0200
Subject: only reconnect after net error

---
 src/daq/s5proxy/src/s5proxy/stats.go | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/daq/s5proxy/src/s5proxy/stats.go b/src/daq/s5proxy/src/s5proxy/stats.go
index 2b3c5e2..96ccd74 100644
--- a/src/daq/s5proxy/src/s5proxy/stats.go
+++ b/src/daq/s5proxy/src/s5proxy/stats.go
@@ -187,7 +187,7 @@ func NewStats(conf *Config) (s *Stats, err error) {
 		return
 	}
 
-	s.updates = make(chan *DataUpdate, 100)
+	s.updates = make(chan *DataUpdate, 1000)
 	s.workers = make(map[string]StatsWorker)
 	var content, format, quality []string
 	for _, desc := range conf.SFive.Streamer {
@@ -227,15 +227,19 @@ func (s *Stats) sendUpdates() {
 		upd.Hostname = s.conf.SFive.Hostname
 		upd.Tags = s.conf.SFive.Tags
 		upd.Duration = int64(s.conf.SFive.Duration)
-		//	s5l.Printf("STATS: got data update for '%v'", upd)
 		if err := s.dataEncoder.Encode(upd); err != nil {
-			s5l.Printf("STATS: json encode(): %s", err)
-			// TODO: check if error comes from the socket...
-			for {
-				time.Sleep(5 * time.Second)
-				s5l.Printf("STATS: attempting reconnect to hub")
-				if err := s.connectToHub(); err == nil {
-					break
+			nErr, ok := err.(*net.OpError)
+			if !ok {
+				s5l.Printf("STATS: json encode(): %s", err)
+			} else {
+				if !nErr.Temporary() {
+					for {
+						time.Sleep(5 * time.Second)
+						s5l.Printf("STATS: attempting reconnect to hub")
+						if err := s.connectToHub(); err == nil {
+							break
+						}
+					}
 				}
 			}
 		}
-- 
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