extern/zrepl
1
0
Fork 0
mirror of https://github.com/zrepl/zrepl.git synced 2024-11-22 08:23:50 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

rpc/dataconn/frameconn: mask ECONNRESET error on Close()

Browse Source 
fixes #190
This commit is contained in:
Christian Schwarz 2019-09-27 13:58:52 +02:00
parent 8a5af2f80e
commit a78c854404
1 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
rpc/dataconn/frameconn/frameconn.go
View File

@ -8,6 +8,7 @@ import (
"io/ioutil"
"net"
"sync"
"syscall"
"time"
"github.com/prometheus/client_golang/prometheus"
@ -295,12 +296,23 @@ func (c *Conn) Shutdown(deadline time.Time) error {
closeWire := func(step string) error {
// TODO SetLinger(0) or similiar (we want RST frames here, not FINS)
if closeErr := c.nc.Close(); closeErr != nil {
closeErr := c.nc.Close()
if closeErr == nil {
return nil
}
// TODO go1.13: https://github.com/zrepl/zrepl/issues/190
// https://github.com/golang/go/issues/8319
// (use errors.Is(closeErr, syscall.ECONNRESET))
if pe, ok := closeErr.(*net.OpError); ok && pe.Err == syscall.ECONNRESET {
// connection reset by peer on FreeBSD, see https://github.com/zrepl/zrepl/issues/190
// We know from kernel code reading that the FD behind c.nc is closed, so let's not consider this an error
return nil
}
prom.ShutdownCloseErrors.WithLabelValues("close").Inc()
return closeErr
}
return nil
}
hardclose := func(err error, step string) error {
prom.ShutdownHardCloses.WithLabelValues(step).Inc()