vendor: add golib/msg

vendor/github.com/fatedier/golib/msg/json/msg.go

@@ -0,0 +1,50 @@
+// Copyright 2018 fatedier, fatedier@gmail.com
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package json
+
+import (
+	"reflect"
+)
+
+var (
+	defaultMaxMsgLength int64 = 10240
+)
+
+// Message wraps socket packages for communicating between frpc and frps.
+type Message interface{}
+
+type MsgCtl struct {
+	typeMap     map[byte]reflect.Type
+	typeByteMap map[reflect.Type]byte
+
+	maxMsgLength int64
+}
+
+func NewMsgCtl() *MsgCtl {
+	return &MsgCtl{
+		typeMap:      make(map[byte]reflect.Type),
+		typeByteMap:  make(map[reflect.Type]byte),
+		maxMsgLength: defaultMaxMsgLength,
+	}
+}
+
+func (msgCtl *MsgCtl) RegisterMsg(typeByte byte, msg interface{}) {
+	msgCtl.typeMap[typeByte] = reflect.TypeOf(msg)
+	msgCtl.typeByteMap[reflect.TypeOf(msg)] = typeByte
+}
+
+func (msgCtl *MsgCtl) SetMaxMsgLength(length int64) {
+	msgCtl.maxMsgLength = length
+}