add reload and plugin support for hop

listener/mtls/listener.go

@@ -1,6 +1,7 @@
 package mtls
 
 import (
+	"context"
 	"crypto/tls"
 	"net"
 	"time"
@@ -51,7 +52,13 @@ func (l *mtlsListener) Init(md md.Metadata) (err error) {
 	if xnet.IsIPv4(l.options.Addr) {
 		network = "tcp4"
 	}
-	ln, err := net.Listen(network, l.options.Addr)
+
+	lc := net.ListenConfig{}
+	if l.md.mptcp {
+		lc.SetMultipathTCP(true)
+		l.logger.Debugf("mptcp enabled: %v", lc.MultipathTCP())
+	}
+	ln, err := lc.Listen(context.Background(), network, l.options.Addr)
 	if err != nil {
 		return
 	}

listener/mtls/metadata.go

@@ -20,6 +20,7 @@ type metadata struct {
 	muxMaxStreamBuffer   int
 
 	backlog int
+	mptcp   bool
 }
 
 func (l *mtlsListener) parseMetadata(md mdata.Metadata) (err error) {
@@ -46,5 +47,7 @@ func (l *mtlsListener) parseMetadata(md mdata.Metadata) (err error) {
 	l.md.muxMaxReceiveBuffer = mdutil.GetInt(md, muxMaxReceiveBuffer)
 	l.md.muxMaxStreamBuffer = mdutil.GetInt(md, muxMaxStreamBuffer)
 
+	l.md.mptcp = mdutil.GetBool(md, "mptcp")
+
 	return
 }