feat app 模块化启动

Server/scene/app/app.go

@@ -1,63 +1,58 @@
 package app
 
 import (
-	"common/db/etcd"
 	"common/discover"
 	"common/log"
-	"common/net/grpc/service"
 	"fmt"
 	"github.com/judwhite/go-svc"
-	"runtime/debug"
 	"scene/config"
-	"scene/grpc_server/server"
-	"sync"
 )
 
 type Program struct {
-	wg     *sync.WaitGroup
-	server service.IService // grpc服务
-	stop   chan bool
+	moduleList []Module // 模块列表
+}
+
+type Module interface {
+	Init() error
+	Start() error
+	Stop() error
 }
 
 func (p *Program) Init(_ svc.Environment) error {
-	if err := p.initBase(); err != nil {
-		return err
-	}
-	cfg := config.Get()
-	log.Infof(fmt.Sprintf("%v starting...", cfg.App.Name))
-	if err := p.initDB(cfg); err != nil {
-		return err
+	p.moduleList = append(p.moduleList, &ModuleBase{})
+	p.moduleList = append(p.moduleList, &ModuleDB{})
+	p.moduleList = append(p.moduleList, &ModuleGrpcServer{})
+
+	for _, module := range p.moduleList {
+		if err := module.Init(); err != nil {
+			return err
+		}
 	}
+	log.Infof(fmt.Sprintf("%v Init successful...", config.Get().App.Name))
 	return nil
 }
 
 func (p *Program) Start() error {
-	defer func() {
-		if err := recover(); err != nil {
-			fmt.Printf("Start err: %v", err)
-			debug.PrintStack()
-			_ = p.Stop()
+	for _, module := range p.moduleList {
+		if err := module.Start(); err != nil {
+			return err
 		}
-	}()
-
+	}
 	discover.Listen()
-	p.server = server.NewServer(config.Get().Serve.Grpc.TTL)
-	p.server.Init(config.Get().Serve.Grpc.Address, config.Get().Serve.Grpc.Port)
 
+	log.Infof(fmt.Sprintf("%v Start successful...", config.Get().App.Name))
 	return nil
 }
 
 func (p *Program) Stop() error {
-	defer func() {
-		if err := recover(); err != nil {
-			fmt.Printf("Stop err: %v", err)
-			debug.PrintStack()
-		}
-	}()
-
 	discover.Close()
-	p.server.Close()
-	_ = etcd.Close()
+	for i := len(p.moduleList) - 1; i >= 0; i-- {
+		module := p.moduleList[i]
+		if err := module.Stop(); err != nil {
+			log.Errorf("module stop error: %v", err)
+		}
+	}
 
+	log.Infof(fmt.Sprintf("%v Stop successful...", config.Get().App.Name))
 	return nil
 }