优化代码复用

balance/base.go

@@ -7,7 +7,12 @@
 // Date : 2021-10-19 2:26 下午
 package balance
 
-import "sync"
+import (
+	"errors"
+	"sync"
+
+	"git.zhangdeman.cn/zhangdeman/gopkg/balance/define"
+)
 
 // base ...
 //
@@ -15,7 +20,8 @@ import "sync"
 //
 // Date : 2:26 下午 2021/10/19
 type base struct {
-	lock *sync.RWMutex
+	lock      *sync.RWMutex
+	severList []*define.ServerNode
 }
 
 // Lock ...
@@ -53,3 +59,57 @@ func (b *base) RLock() {
 func (b *base) RUnlock() {
 	b.lock.RUnlock()
 }
+
+// AddServerNode 新添加一个服务器节点
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 10:07 下午 2021/10/20
+func (b *base) AddServerNode(hostIP string, port int) error {
+	if len(hostIP) == 0 || port <= 0 {
+		return errors.New("host ip or port is invalid")
+	}
+	b.Lock()
+	defer b.Unlock()
+	for _, item := range b.severList {
+		if item.HostIP == hostIP && item.Port == port {
+			return errors.New("host config is already exist")
+		}
+	}
+	b.severList = append(b.severList, &define.ServerNode{
+		HostIP: hostIP,
+		Port:   port,
+		Status: define.ServerNodeStatusNormal,
+	})
+	return nil
+}
+
+// Remove 移除一个节点, force = true , 强制删除, force = false 逻辑删除, 设置状态
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 10:19 下午 2021/10/20
+func (b *base) Remove(hostIP string, port int, force bool) {
+	b.Lock()
+	defer b.Unlock()
+	tmpServerNode := make([]*define.ServerNode, 0)
+	for _, item := range b.severList {
+		if item.HostIP == hostIP && item.Port == port {
+			if force {
+				continue
+			}
+			item.Status = define.ServerNodeStatusRemove
+		}
+		tmpServerNode = append(tmpServerNode, item)
+	}
+	b.severList = tmpServerNode
+}
+
+// GetServerNodeList 获取服务器节点
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 10:33 下午 2021/10/20
+func (b *base) GetServerNodeList() []*define.ServerNode {
+	return b.severList
+}