新增dnst隧道

2026-07-04 13:01:21 +08:00
parent bf85966600
commit 74fef8838e
9 changed files with 906 additions and 0 deletions
@@ -0,0 +1,48 @@
+package dns
+
+import (
+	"time"
+
+	mdata "github.com/go-gost/core/metadata"
+	mdutil "github.com/go-gost/x/metadata/util"
+)
+
+type metadata struct {
+	keepAlivePeriod  time.Duration
+	maxIdleTimeout   time.Duration
+	handshakeTimeout time.Duration
+	maxStreams       int
+	enableDatagram   bool
+
+	domain  string
+	udpSize int
+}
+
+func (d *dnsDialer) parseMetadata(md mdata.Metadata) (err error) {
+	const (
+		keepAlive        = "keepAlive"
+		keepAlivePeriod  = "ttl"
+		handshakeTimeout = "handshakeTimeout"
+		maxIdleTimeout   = "maxIdleTimeout"
+		maxStreams       = "maxStreams"
+
+		domain  = "domain"
+		udpSize = "udpSize"
+	)
+
+	if md == nil || !md.IsExists(keepAlive) || mdutil.GetBool(md, keepAlive) {
+		d.md.keepAlivePeriod = mdutil.GetDuration(md, keepAlivePeriod)
+		if d.md.keepAlivePeriod <= 0 {
+			d.md.keepAlivePeriod = 10 * time.Second
+		}
+	}
+	d.md.handshakeTimeout = mdutil.GetDuration(md, handshakeTimeout)
+	d.md.maxIdleTimeout = mdutil.GetDuration(md, maxIdleTimeout)
+	d.md.maxStreams = mdutil.GetInt(md, maxStreams)
+	d.md.enableDatagram = mdutil.GetBool(md, "quic.enableDatagram", "enableDatagram")
+
+	d.md.domain = mdutil.GetString(md, domain, "dns.domain")
+	d.md.udpSize = mdutil.GetInt(md, udpSize, "dns.udpSize")
+
+	return
+}