84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
// Package balance ...
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//
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// Description : 接口定义
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 2021-04-01 2:43 下午
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package balance
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import (
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"git.zhangdeman.cn/gateway/balance/define"
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"git.zhangdeman.cn/gateway/balance/dispatch"
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"git.zhangdeman.cn/zhangdeman/easylock"
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"git.zhangdeman.cn/zhangdeman/exception"
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)
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// NewServer ...
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 6:51 下午 2021/4/1
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func NewServer(nodeList []*define.SeverNode, d dispatch.IDispatch) *Server {
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return &Server{
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lock: easylock.NewLock(),
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NodeList: nodeList,
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Balance: d,
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}
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}
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// Server server 的具体配置
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 2:59 下午 2021/4/1
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type Server struct {
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lock easylock.EasyLock
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NodeList []*define.SeverNode
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Balance dispatch.IDispatch
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}
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// Add 添加一个Server
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 3:00 下午 2021/4/1
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func (s *Server) Add(node *define.SeverNode) {
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_ = s.lock.Lock()
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defer func() {
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_ = s.lock.Unlock()
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}()
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s.NodeList = append(s.NodeList, node)
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}
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// Remove 移除一个server
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 5:09 下午 2021/4/1
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func (s *Server) Remove(nodeID string) {
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_ = s.lock.Lock()
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defer func() {
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_ = s.lock.Unlock()
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}()
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for nodeIndex, item := range s.NodeList {
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if item.ID == nodeID {
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s.NodeList = append(s.NodeList[0:nodeIndex], s.NodeList[nodeIndex:]...)
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break
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}
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}
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}
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// Get 按照指定策略获取一台机器
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//
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// Author : go_developer@163.com<张德满>
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//
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// Date : 5:17 下午 2021/4/1
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func (s *Server) Get() (string, exception.IException) {
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_ = s.lock.RLock()
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defer func() {
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_ = s.lock.RUnlock()
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}()
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return s.Balance.Get(s.NodeList)
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}
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