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daemon.go
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daemon.go
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/**
* Copyright 2014 @ z3q.net.
* name :
* author : jarryliu
* date : 2014-01-08 21:01
* description :
* history :
*/
package daemon
import (
"flag"
"github.com/jsix/gof"
"go2o/src/core"
"go2o/src/core/service/dps"
"log"
"strings"
"time"
)
// 守护进程服务
type DaemonService func(gof.App)
type DaemonFunc func(gof.App)
var (
appCtx *core.MainApp
services map[string]DaemonService = map[string]DaemonService{}
tickerDuration = 5 * time.Second // 间隔5秒执行
tickerInvokeFunc []DaemonFunc = []DaemonFunc{}
newOrderObserver []DaemonFunc = []DaemonFunc{confirmOrderQueue}
completedOrderObserver []DaemonFunc = []DaemonFunc{}
//newMemberObserver []DaemonFunc = []DaemonFunc{orderDaemon}
)
func RegisterService(name string, service DaemonService) {
if _, ok := services[name]; ok {
panic("service named " + name + " is registed!")
}
services[name] = service
}
// 运行
func Run(ctx gof.App) {
if ctx != nil {
appCtx = ctx.(*core.MainApp)
} else {
appCtx = getAppCtx("app.conf")
}
RegisterByName([]string{"mail", "order"})
Start()
}
// 自定义参数运行
func FlagRun() {
var conf string
var debug bool
var trace bool
var service string
var serviceArr []string = []string{"mail", "order"}
var ch chan bool = make(chan bool)
flag.StringVar(&conf, "conf", "app.conf", "")
flag.BoolVar(&debug, "debug", true, "")
flag.BoolVar(&trace, "trace", true, "")
flag.StringVar(&service, "service", strings.Join(serviceArr, ","), "")
flag.Parse()
appCtx = getAppCtx(conf)
appCtx.Init(debug, trace)
gof.CurrentApp = appCtx
dps.Init(appCtx)
if service != "all" {
serviceArr = strings.Split(service, ",")
}
RegisterByName(serviceArr)
Start()
<-ch
}
func getAppCtx(conf string) *core.MainApp {
return core.NewMainApp(conf)
}
// 添加定时执行任务(默认5秒)
func AddTickerFunc(f DaemonFunc) {
tickerInvokeFunc = append(tickerInvokeFunc, f)
}
// 获取订单处理函数
func orderDaemonService(app gof.App) {
AddTickerFunc(func(app gof.App) {
confirmNewOrder(app, newOrderObserver)
if completedOrderObserver != nil && len(completedOrderObserver) != 0 {
completedOrderObs(app, completedOrderObserver)
}
})
orderDaemon(app)
}
// 添加新的订单处理函数
func AddNewOrderFunc(f DaemonFunc) {
newOrderObserver = append(newOrderObserver, f)
}
// 添加已完成订单处理函数
func AddCompletedOrderFunc(f DaemonFunc) {
completedOrderObserver = append(completedOrderObserver, f)
}
func RegisterByName(arr []string) {
for _, v := range arr {
switch v {
case "mail":
RegisterService("mail", func(app gof.App) {
AddTickerFunc(startMailQueue)
})
case "order":
RegisterService("order", orderDaemonService)
}
}
}
func Start() {
tk := time.NewTicker(tickerDuration)
defer func() {
tk.Stop()
}()
for name, s := range services {
log.Println("** [ Go2o][ Daemon][ Booted] - ", name, " daemon running")
go s(appCtx)
}
for {
select {
case <-tk.C:
for _, f := range tickerInvokeFunc {
f(appCtx)
}
}
}
}
func recoverDaemon() {
}