mirror of
https://github.com/duanhf2012/origin.git
synced 2026-02-13 23:24:45 +08:00
Compare commits
3 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
|
ce56b19fe8 | ||
|
|
1367d776e6 | ||
|
|
987d35ff15 |
121
README.md
121
README.md
@@ -661,51 +661,7 @@ Module1 Release.
|
|||||||
第四章:事件使用
|
第四章:事件使用
|
||||||
----------------
|
----------------
|
||||||
|
|
||||||
事件是origin中一个重要的组成部分,可以在同一个node中的service与service或者与module之间进行事件通知。系统内置的几个服务,如:TcpService/HttpService等都是通过事件功能实现。他也是一个典型的观察者设计模型。在event中有两个类型的interface,一个是event.IEventProcessor它提供注册与卸载功能,另一个是event.IEventHandler提供消息广播等功能。
|
事件是origin中一个重要的组成部分,可以在服务与各module之间进行事件通知。它也是一个典型的观察者设计模型。在event中有两个类型的interface,一个是event.IEventProcessor它提供注册与卸载功能,另一个是event.IEventHandler提供消息广播等功能。
|
||||||
|
|
||||||
在目录simple_event/TestService4.go中
|
|
||||||
|
|
||||||
```
|
|
||||||
package simple_event
|
|
||||||
|
|
||||||
import (
|
|
||||||
"github.com/duanhf2012/origin/v2/event"
|
|
||||||
"github.com/duanhf2012/origin/v2/node"
|
|
||||||
"github.com/duanhf2012/origin/v2/service"
|
|
||||||
"time"
|
|
||||||
)
|
|
||||||
|
|
||||||
const (
|
|
||||||
//自定义事件类型,必需从event.Sys_Event_User_Define开始
|
|
||||||
//event.Sys_Event_User_Define以内给系统预留
|
|
||||||
EVENT1 event.EventType =event.Sys_Event_User_Define+1
|
|
||||||
)
|
|
||||||
|
|
||||||
func init(){
|
|
||||||
node.Setup(&TestService4{})
|
|
||||||
}
|
|
||||||
|
|
||||||
type TestService4 struct {
|
|
||||||
service.Service
|
|
||||||
}
|
|
||||||
|
|
||||||
func (slf *TestService4) OnInit() error {
|
|
||||||
//10秒后触发广播事件
|
|
||||||
slf.AfterFunc(time.Second*10,slf.TriggerEvent)
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
|
|
||||||
func (slf *TestService4) TriggerEvent(){
|
|
||||||
//广播事件,传入event.Event对象,类型为EVENT1,Data可以自定义任何数据
|
|
||||||
//这样,所有监听者都可以收到该事件
|
|
||||||
slf.GetEventHandler().NotifyEvent(&event.Event{
|
|
||||||
Type: EVENT1,
|
|
||||||
Data: "event data.",
|
|
||||||
})
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
```
|
|
||||||
|
|
||||||
在目录simple_event/TestService5.go中
|
在目录simple_event/TestService5.go中
|
||||||
|
|
||||||
@@ -713,53 +669,68 @@ func (slf *TestService4) TriggerEvent(){
|
|||||||
package simple_event
|
package simple_event
|
||||||
|
|
||||||
import (
|
import (
|
||||||
"fmt"
|
"fmt"
|
||||||
"github.com/duanhf2012/origin/v2/event"
|
"github.com/duanhf2012/origin/v2/event"
|
||||||
"github.com/duanhf2012/origin/v2/node"
|
"github.com/duanhf2012/origin/v2/node"
|
||||||
"github.com/duanhf2012/origin/v2/service"
|
"github.com/duanhf2012/origin/v2/service"
|
||||||
|
"github.com/duanhf2012/origin/v2/util/timer"
|
||||||
|
"time"
|
||||||
)
|
)
|
||||||
|
|
||||||
func init(){
|
func init() {
|
||||||
node.Setup(&TestService5{})
|
node.Setup(&TestService5{})
|
||||||
}
|
}
|
||||||
|
|
||||||
|
const (
|
||||||
|
//自定义事件类型,必需从event.Sys_Event_User_Define开始
|
||||||
|
//event.Sys_Event_User_Define以内给系统预留
|
||||||
|
EVENT1 event.EventType = event.Sys_Event_User_Define + 1
|
||||||
|
)
|
||||||
|
|
||||||
type TestService5 struct {
|
type TestService5 struct {
|
||||||
service.Service
|
service.Service
|
||||||
}
|
}
|
||||||
|
|
||||||
type TestModule struct {
|
type TestModule struct {
|
||||||
service.Module
|
service.Module
|
||||||
}
|
}
|
||||||
|
|
||||||
func (slf *TestModule) OnInit() error{
|
func (slf *TestModule) OnInit() error {
|
||||||
//在当前node中查找TestService4
|
//在TestModule中注册监听EVENT1事件
|
||||||
pService := node.GetService("TestService4")
|
slf.GetEventProcessor().RegEventReceiverFunc(EVENT1, slf.GetEventHandler(), slf.OnModuleEvent)
|
||||||
|
|
||||||
//在TestModule中,往TestService4中注册EVENT1类型事件监听
|
return nil
|
||||||
pService.(*TestService4).GetEventProcessor().RegEventReciverFunc(EVENT1,slf.GetEventHandler(),slf.OnModuleEvent)
|
|
||||||
return nil
|
|
||||||
}
|
}
|
||||||
|
|
||||||
func (slf *TestModule) OnModuleEvent(ev event.IEvent){
|
// OnModuleEvent 模块监听事件回调
|
||||||
event := ev.(*event.Event)
|
func (slf *TestModule) OnModuleEvent(ev event.IEvent) {
|
||||||
fmt.Printf("OnModuleEvent type :%d data:%+v\n",event.GetEventType(),event.Data)
|
event := ev.(*event.Event)
|
||||||
|
fmt.Printf("OnModuleEvent type :%d data:%+v\n", event.GetEventType(), event.Data)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// OnInit 服务初始化函数,在安装服务时,服务将自动调用OnInit函数
|
||||||
//服务初始化函数,在安装服务时,服务将自动调用OnInit函数
|
|
||||||
func (slf *TestService5) OnInit() error {
|
func (slf *TestService5) OnInit() error {
|
||||||
//通过服务名获取服务对象
|
//在服务中注册监听EVENT1类型事件
|
||||||
pService := node.GetService("TestService4")
|
slf.RegEventReceiverFunc(EVENT1, slf.GetEventHandler(), slf.OnServiceEvent)
|
||||||
|
slf.AddModule(&TestModule{})
|
||||||
|
|
||||||
////在TestModule中,往TestService4中注册EVENT1类型事件监听
|
slf.AfterFunc(time.Second*10, slf.TriggerEvent)
|
||||||
pService.(*TestService4).GetEventProcessor().RegEventReciverFunc(EVENT1,slf.GetEventHandler(),slf.OnServiceEvent)
|
return nil
|
||||||
slf.AddModule(&TestModule{})
|
|
||||||
return nil
|
|
||||||
}
|
}
|
||||||
|
|
||||||
func (slf *TestService5) OnServiceEvent(ev event.IEvent){
|
// OnServiceEvent 服务监听事件回调
|
||||||
event := ev.(*event.Event)
|
func (slf *TestService5) OnServiceEvent(ev event.IEvent) {
|
||||||
fmt.Printf("OnServiceEvent type :%d data:%+v\n",event.Type,event.Data)
|
event := ev.(*event.Event)
|
||||||
|
fmt.Printf("OnServiceEvent type :%d data:%+v\n", event.Type, event.Data)
|
||||||
|
}
|
||||||
|
|
||||||
|
func (slf *TestService5) TriggerEvent(t *timer.Timer) {
|
||||||
|
//广播事件,传入event.Event对象,类型为EVENT1,Data可以自定义任何数据
|
||||||
|
//这样,所有监听者都可以收到该事件
|
||||||
|
slf.GetEventHandler().NotifyEvent(&event.Event{
|
||||||
|
Type: EVENT1,
|
||||||
|
Data: "event data.",
|
||||||
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
@@ -768,8 +739,8 @@ func (slf *TestService5) OnServiceEvent(ev event.IEvent){
|
|||||||
程序运行10秒后,调用slf.TriggerEvent函数广播事件,于是在TestService5中会收到
|
程序运行10秒后,调用slf.TriggerEvent函数广播事件,于是在TestService5中会收到
|
||||||
|
|
||||||
```
|
```
|
||||||
OnServiceEvent type :1001 data:event data.
|
OnServiceEvent type :2 data:event data.
|
||||||
OnModuleEvent type :1001 data:event data.
|
OnModuleEvent type :2 data:event data.
|
||||||
```
|
```
|
||||||
|
|
||||||
在上面的TestModule中监听的事情,当这个Module被Release时监听会自动卸载。
|
在上面的TestModule中监听的事情,当这个Module被Release时监听会自动卸载。
|
||||||
|
|||||||
@@ -469,6 +469,11 @@ func (cls *Cluster) GetNodeInfo(nodeId string) (NodeInfo,bool) {
|
|||||||
func (dc *Cluster) CanDiscoveryService(fromMasterNodeId string,serviceName string) bool{
|
func (dc *Cluster) CanDiscoveryService(fromMasterNodeId string,serviceName string) bool{
|
||||||
canDiscovery := true
|
canDiscovery := true
|
||||||
|
|
||||||
|
splitServiceName := strings.Split(serviceName,":")
|
||||||
|
if len(splitServiceName) == 2 {
|
||||||
|
serviceName = splitServiceName[0]
|
||||||
|
}
|
||||||
|
|
||||||
for i:=0;i<len(dc.GetLocalNodeInfo().DiscoveryService);i++{
|
for i:=0;i<len(dc.GetLocalNodeInfo().DiscoveryService);i++{
|
||||||
masterNodeId := dc.GetLocalNodeInfo().DiscoveryService[i].MasterNodeId
|
masterNodeId := dc.GetLocalNodeInfo().DiscoveryService[i].MasterNodeId
|
||||||
//无效的配置,则跳过
|
//无效的配置,则跳过
|
||||||
|
|||||||
@@ -160,6 +160,12 @@ func (dc *OriginDiscoveryMaster) OnNatsDisconnect(){
|
|||||||
}
|
}
|
||||||
|
|
||||||
func (ds *OriginDiscoveryMaster) OnNodeConnected(nodeId string) {
|
func (ds *OriginDiscoveryMaster) OnNodeConnected(nodeId string) {
|
||||||
|
var notifyDiscover rpc.SubscribeDiscoverNotify
|
||||||
|
notifyDiscover.IsFull = true
|
||||||
|
notifyDiscover.NodeInfo = ds.nodeInfo
|
||||||
|
notifyDiscover.MasterNodeId = cluster.GetLocalNodeInfo().NodeId
|
||||||
|
|
||||||
|
ds.GoNode(nodeId, SubServiceDiscover, ¬ifyDiscover)
|
||||||
}
|
}
|
||||||
|
|
||||||
func (ds *OriginDiscoveryMaster) OnNodeDisconnect(nodeId string) {
|
func (ds *OriginDiscoveryMaster) OnNodeDisconnect(nodeId string) {
|
||||||
|
|||||||
Reference in New Issue
Block a user