节点组合配置时服务间可以共用证书数据

pkg/serverconfigs/shared/data_map.go

@@ -0,0 +1,37 @@
+// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package shared
+
+import (
+	"bytes"
+	"crypto/md5"
+	"fmt"
+)
+
+var dataMapPrefix = []byte("GOEDGE_DATA_MAP:")
+
+// DataMap 二进制数据共享Map
+// 用来减少相同数据占用的空间和内存
+type DataMap struct {
+	Map map[string][]byte
+}
+
+// NewDataMap 构建对象
+func NewDataMap() *DataMap {
+	return &DataMap{Map: map[string][]byte{}}
+}
+
+// Put 放入数据
+func (this *DataMap) Put(data []byte) (keyData []byte) {
+	var key = string(dataMapPrefix) + fmt.Sprintf("%x", md5.Sum(data))
+	this.Map[key] = data
+	return []byte(key)
+}
+
+// Read 读取数据
+func (this *DataMap) Read(key []byte) []byte {
+	if bytes.HasPrefix(key, dataMapPrefix) {
+		return this.Map[string(key)]
+	}
+	return key
+}