init

go-gost/x/handler/tun/metadata.go

@@ -0,0 +1,33 @@
+package tun
+
+import (
+	"math"
+	"time"
+
+	mdata "github.com/go-gost/core/metadata"
+	mdutil "github.com/go-gost/x/metadata/util"
+)
+
+const (
+	defaultKeepAlivePeriod = 10 * time.Second
+	MaxMessageSize         = math.MaxUint16
+)
+
+type metadata struct {
+	keepAlivePeriod time.Duration
+	passphrase      string
+	p2p             bool
+}
+
+func (h *tunHandler) parseMetadata(md mdata.Metadata) (err error) {
+	if mdutil.GetBool(md, "tun.keepalive", "keepalive") {
+		h.md.keepAlivePeriod = mdutil.GetDuration(md, "tun.ttl", "ttl")
+		if h.md.keepAlivePeriod <= 0 {
+			h.md.keepAlivePeriod = defaultKeepAlivePeriod
+		}
+	}
+
+	h.md.passphrase = mdutil.GetString(md, "tun.token", "token", "passphrase")
+	h.md.p2p = mdutil.GetBool(md, "tun.p2p", "p2p")
+	return
+}