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don't print a receive buffer warning for closed connections (#3346)

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Marten Seemann 2022-03-16 09:32:43 +01:00 • committed by GitHub
parent ad1cb27c1b
commit 580cc754f3
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1 changed files with 9 additions and 6 deletions
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15
packet_handler_map.go
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@ -11,6 +11,7 @@ import (
"net"
"os"
"strconv"
"strings"
"sync"
"time"
@ -123,12 +124,14 @@ func newPacketHandlerMap(
logger utils.Logger,
) (packetHandlerManager, error) {
if err := setReceiveBuffer(c, logger); err != nil {
receiveBufferWarningOnce.Do(func() {
if disable, _ := strconv.ParseBool(os.Getenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING")); disable {
return
}
log.Printf("%s. See https://github.com/lucas-clemente/quic-go/wiki/UDP-Receive-Buffer-Size for details.", err)
})
if !strings.Contains(err.Error(), "use of closed network connection") {
receiveBufferWarningOnce.Do(func() {
if disable, _ := strconv.ParseBool(os.Getenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING")); disable {
return
}
log.Printf("%s. See https://github.com/lucas-clemente/quic-go/wiki/UDP-Receive-Buffer-Size for details.", err)
})
}
}
conn, err := wrapConn(c)
if err != nil {