initial commit

listener/icmp/metadata.go

@@ -0,0 +1,41 @@
+package quic
+
+import (
+	"time"
+
+	mdata "github.com/go-gost/gost/v3/pkg/metadata"
+)
+
+const (
+	defaultBacklog = 128
+)
+
+type metadata struct {
+	keepAlive        bool
+	handshakeTimeout time.Duration
+	maxIdleTimeout   time.Duration
+
+	cipherKey []byte
+	backlog   int
+}
+
+func (l *icmpListener) parseMetadata(md mdata.Metadata) (err error) {
+	const (
+		keepAlive        = "keepAlive"
+		handshakeTimeout = "handshakeTimeout"
+		maxIdleTimeout   = "maxIdleTimeout"
+
+		backlog = "backlog"
+	)
+
+	l.md.backlog = mdata.GetInt(md, backlog)
+	if l.md.backlog <= 0 {
+		l.md.backlog = defaultBacklog
+	}
+
+	l.md.keepAlive = mdata.GetBool(md, keepAlive)
+	l.md.handshakeTimeout = mdata.GetDuration(md, handshakeTimeout)
+	l.md.maxIdleTimeout = mdata.GetDuration(md, maxIdleTimeout)
+
+	return
+}