update ftcp

listener/ftcp/metadata.go

@@ -1,16 +1,16 @@
 package ftcp
 
-import "time"
+import (
+	"time"
+
+	mdata "github.com/go-gost/core/metadata"
+)
 
 const (
 	defaultTTL            = 60 * time.Second
 	defaultReadBufferSize = 1024
 	defaultReadQueueSize  = 128
-	defaultConnQueueSize  = 128
-)
-
-const (
-	addr = "addr"
+	defaultBacklog        = 128
 )
 
 type metadata struct {
@@ -18,5 +18,35 @@ type metadata struct {
 
 	readBufferSize int
 	readQueueSize  int
-	connQueueSize  int
+	backlog        int
+}
+
+func (l *ftcpListener) parseMetadata(md mdata.Metadata) (err error) {
+	const (
+		ttl            = "ttl"
+		readBufferSize = "readBufferSize"
+		readQueueSize  = "readQueueSize"
+		backlog        = "backlog"
+	)
+
+	l.md.ttl = mdata.GetDuration(md, ttl)
+	if l.md.ttl <= 0 {
+		l.md.ttl = defaultTTL
+	}
+	l.md.readBufferSize = mdata.GetInt(md, readBufferSize)
+	if l.md.readBufferSize <= 0 {
+		l.md.readBufferSize = defaultReadBufferSize
+	}
+
+	l.md.readQueueSize = mdata.GetInt(md, readQueueSize)
+	if l.md.readQueueSize <= 0 {
+		l.md.readQueueSize = defaultReadQueueSize
+	}
+
+	l.md.backlog = mdata.GetInt(md, backlog)
+	if l.md.backlog <= 0 {
+		l.md.backlog = defaultBacklog
+	}
+
+	return
 }