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perform send / receive buffer increases when setting up the connection (#3949)

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The UDP send and receive buffer is now increased when calling
OptimizeConn.
This commit is contained in:
Marten Seemann 2023-07-12 10:54:20 -07:00 • committed by GitHub
parent 2c4371b6a9
commit 418b866e32
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 31 additions and 31 deletions
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25
sys_conn.go
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@ -2,7 +2,11 @@ package quic
import (
"fmt"
"log"
"net"
"os"
"strconv"
"strings"
"syscall"
"time"
@ -44,6 +48,27 @@ func wrapConn(pc net.PacketConn) (interface {
rawConn
}, error,
) {
if err := setReceiveBuffer(pc); err != nil {
if !strings.Contains(err.Error(), "use of closed network connection") {
setBufferWarningOnce.Do(func() {
if disable, _ := strconv.ParseBool(os.Getenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING")); disable {
return
}
log.Printf("%s. See https://github.com/quic-go/quic-go/wiki/UDP-Buffer-Sizes for details.", err)
})
}
}
if err := setSendBuffer(pc); err != nil {
if !strings.Contains(err.Error(), "use of closed network connection") {
setBufferWarningOnce.Do(func() {
if disable, _ := strconv.ParseBool(os.Getenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING")); disable {
return
}
log.Printf("%s. See https://github.com/quic-go/quic-go/wiki/UDP-Buffer-Sizes for details.", err)
})
}
}
conn, ok := pc.(interface {
SyscallConn() (syscall.RawConn, error)
})