initial commit

connector/ss/udp/metadata.go

@@ -0,0 +1,33 @@
+package ss
+
+import (
+	"math"
+	"time"
+
+	mdata "github.com/go-gost/gost/v3/pkg/metadata"
+)
+
+type metadata struct {
+	key            string
+	connectTimeout time.Duration
+	bufferSize     int
+}
+
+func (c *ssuConnector) parseMetadata(md mdata.Metadata) (err error) {
+	const (
+		key            = "key"
+		connectTimeout = "timeout"
+		bufferSize     = "bufferSize" // udp buffer size
+	)
+
+	c.md.key = mdata.GetString(md, key)
+	c.md.connectTimeout = mdata.GetDuration(md, connectTimeout)
+
+	if bs := mdata.GetInt(md, bufferSize); bs > 0 {
+		c.md.bufferSize = int(math.Min(math.Max(float64(bs), 512), 64*1024))
+	} else {
+		c.md.bufferSize = 1024
+	}
+
+	return
+}