From 3ef52775c4756b7cbdc28b807eb4600127a9a873 Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Fri, 20 Nov 2020 15:14:25 +0100
Subject: [PATCH] p2p: avoid spinning loop on out-of-handles (#21878)
* p2p: avoid busy-loop on temporary errors
* p2p: address review concerns
---
p2p/server.go | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/p2p/server.go b/p2p/server.go
index dd52297f8..275cb5ea5 100644
--- a/p2p/server.go
+++ b/p2p/server.go
@@ -854,13 +854,18 @@ func (srv *Server) listenLoop() {
<-slots
var (
- fd net.Conn
- err error
+ fd net.Conn
+ err error
+ lastLog time.Time
)
for {
fd, err = srv.listener.Accept()
if netutil.IsTemporaryError(err) {
- srv.log.Debug("Temporary read error", "err", err)
+ if time.Since(lastLog) > 1*time.Second {
+ srv.log.Debug("Temporary read error", "err", err)
+ lastLog = time.Now()
+ }
+ time.Sleep(time.Millisecond * 200)
continue
} else if err != nil {
srv.log.Debug("Read error", "err", err)
--
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