mirror of
https://github.com/duanhf2012/origin.git
synced 2026-02-03 22:45:13 +08:00
216 lines
5.2 KiB
Go
216 lines
5.2 KiB
Go
package service
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import (
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"fmt"
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"github.com/duanhf2012/origin/event"
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"github.com/duanhf2012/origin/log"
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rpcHandle "github.com/duanhf2012/origin/rpc"
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"github.com/duanhf2012/origin/util/timer"
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"reflect"
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"time"
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)
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const InitModuleId = 1e17
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type IModule interface {
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SetModuleId(moduleId int64) bool
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GetModuleId() int64
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AddModule(module IModule) (int64,error)
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GetModule(moduleId int64) IModule
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GetAncestor()IModule
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ReleaseModule(moduleId int64)
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NewModuleId() int64
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GetParent()IModule
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OnInit() error
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OnRelease()
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getBaseModule() IModule
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GetService() IService
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GetModuleName() string
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GetEventProcessor()event.IEventProcessor
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NotifyEvent(ev *event.Event)
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}
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//1.管理各模块树层关系
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//2.提供定时器常用工具
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type Module struct {
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rpcHandle.IRpcHandler
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moduleId int64 //模块Id
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moduleName string //模块名称
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parent IModule //父亲
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self IModule //自己
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child map[int64]IModule //孩子们
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mapActiveTimer map[*timer.Timer]interface{}
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dispatcher *timer.Dispatcher //timer
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//根结点
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ancestor IModule //始祖
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seedModuleId int64 //模块id种子
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descendants map[int64]IModule //始祖的后裔们
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//事件管道
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eventHandler event.IEventHandler
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}
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func (m *Module) SetModuleId(moduleId int64) bool{
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if m.moduleId > 0 {
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return false
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}
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m.moduleId = moduleId
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return true
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}
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func (m *Module) GetModuleId() int64{
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return m.moduleId
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}
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func (m *Module) GetModuleName() string{
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return m.moduleName
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}
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func (m *Module) OnInit() error{
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return nil
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}
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func (m *Module) AddModule(module IModule) (int64,error){
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//没有事件处理器不允许加入其他模块
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if m.GetEventProcessor() == nil {
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return 0,fmt.Errorf("module %+v is not Event Processor is nil", m.self)
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}
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pAddModule := module.getBaseModule().(*Module)
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if pAddModule.GetModuleId()==0 {
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pAddModule.moduleId = m.NewModuleId()
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}
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if m.child == nil {
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m.child = map[int64]IModule{}
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}
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_,ok := m.child[module.GetModuleId()]
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if ok == true {
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return 0,fmt.Errorf("Exists module id %d",module.GetModuleId())
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}
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pAddModule.IRpcHandler = m.IRpcHandler
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pAddModule.self = module
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pAddModule.parent = m.self
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pAddModule.dispatcher = m.GetAncestor().getBaseModule().(*Module).dispatcher
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pAddModule.ancestor = m.ancestor
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pAddModule.moduleName = reflect.Indirect(reflect.ValueOf(module)).Type().Name()
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pAddModule.eventHandler = event.NewEventHandler()
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pAddModule.eventHandler.Init(m.eventHandler.GetEventProcessor())
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err := module.OnInit()
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if err != nil {
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return 0,err
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}
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m.child[module.GetModuleId()] = module
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m.ancestor.getBaseModule().(*Module).descendants[module.GetModuleId()] = module
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log.Debug("Add module %s completed", m.GetModuleName())
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return module.GetModuleId(),nil
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}
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func (m *Module) ReleaseModule(moduleId int64){
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pModule := m.GetModule(moduleId).getBaseModule().(*Module)
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//释放子孙
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for id,_ := range pModule.child {
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m.ReleaseModule(id)
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}
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pModule.GetEventHandler().Destroy()
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pModule.self.OnRelease()
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log.Debug("Release module %s.", m.GetModuleName())
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for pTimer,_ := range pModule.mapActiveTimer {
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pTimer.Cancel()
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}
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delete(m.child,moduleId)
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delete (m.ancestor.getBaseModule().(*Module).descendants,moduleId)
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//清理被删除的Module
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pModule.self = nil
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pModule.parent = nil
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pModule.child = nil
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pModule.mapActiveTimer = nil
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pModule.dispatcher = nil
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pModule.ancestor = nil
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pModule.descendants = nil
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pModule.IRpcHandler = nil
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}
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func (m *Module) NewModuleId() int64{
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m.ancestor.getBaseModule().(*Module).seedModuleId+=1
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return m.ancestor.getBaseModule().(*Module).seedModuleId
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}
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func (m *Module) GetAncestor()IModule{
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return m.ancestor
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}
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func (m *Module) GetModule(moduleId int64) IModule{
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iModule,ok := m.GetAncestor().getBaseModule().(*Module).descendants[moduleId]
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if ok == false {
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return nil
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}
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return iModule
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}
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func (m *Module) getBaseModule() IModule{
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return m
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}
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func (m *Module) GetParent()IModule{
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return m.parent
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}
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func (m *Module) OnCloseTimer(timer *timer.Timer){
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delete(m.mapActiveTimer,timer)
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}
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func (m *Module) OnAddTimer(t *timer.Timer){
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if t != nil {
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m.mapActiveTimer[t] = nil
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}
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}
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func (m *Module) AfterFunc(d time.Duration, cb func(*timer.Timer)) *timer.Timer {
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if m.mapActiveTimer == nil {
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m.mapActiveTimer =map[*timer.Timer]interface{}{}
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}
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return m.dispatcher.AfterFunc(d,cb,m.OnCloseTimer,m.OnAddTimer)
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}
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func (m *Module) CronFunc(cronExpr *timer.CronExpr, cb func(*timer.Cron)) *timer.Cron {
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if m.mapActiveTimer == nil {
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m.mapActiveTimer =map[*timer.Timer]interface{}{}
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}
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return m.dispatcher.CronFunc(cronExpr,cb,m.OnCloseTimer,m.OnAddTimer)
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}
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func (m *Module) NewTicker(d time.Duration, cb func(*timer.Ticker)) *timer.Ticker {
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if m.mapActiveTimer == nil {
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m.mapActiveTimer =map[*timer.Timer]interface{}{}
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}
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return m.dispatcher.TickerFunc(d,cb,m.OnCloseTimer,m.OnAddTimer)
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}
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func (m *Module) OnRelease(){
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}
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func (m *Module) GetService() IService {
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return m.GetAncestor().(IService)
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}
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func (m *Module) GetEventProcessor() event.IEventProcessor{
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return m.eventHandler.GetEventProcessor()
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}
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func (m *Module) NotifyEvent(ev *event.Event){
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m.eventHandler.NotifyEvent(ev)
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}
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func (m *Module) GetEventHandler() event.IEventHandler{
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return m.eventHandler
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} |