improve ss

pkg/handler/ss/metadata.go

@@ -0,0 +1,21 @@
+package ss
+
+import (
+	"time"
+
+	"github.com/shadowsocks/go-shadowsocks2/core"
+)
+
+const (
+	method      = "method"
+	password    = "password"
+	key         = "key"
+	readTimeout = "readTimeout"
+	retryCount  = "retry"
+)
+
+type metadata struct {
+	cipher      core.Cipher
+	readTimeout time.Duration
+	retryCount  int
+}