mirror of
https://github.com/crawlab-team/crawlab.git
synced 2026-01-21 17:21:09 +01:00
127 lines
2.3 KiB
Go
127 lines
2.3 KiB
Go
package apps
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import (
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"context"
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"errors"
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"github.com/apex/log"
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"github.com/crawlab-team/crawlab/core/controllers"
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"github.com/crawlab-team/crawlab/core/interfaces"
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"github.com/crawlab-team/crawlab/core/middlewares"
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"github.com/crawlab-team/crawlab/core/routes"
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"github.com/gin-gonic/gin"
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"github.com/spf13/viper"
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"net"
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"net/http"
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"time"
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)
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func init() {
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// set gin mode
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if viper.GetString("gin.mode") == "" {
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gin.SetMode(gin.ReleaseMode)
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} else {
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gin.SetMode(viper.GetString("gin.mode"))
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}
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}
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type Api struct {
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// dependencies
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interfaces.WithConfigPath
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// internals
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app *gin.Engine
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ln net.Listener
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srv *http.Server
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ready bool
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}
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func (app *Api) Init() {
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// initialize controllers
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_ = initModule("controllers", controllers.InitControllers)
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// initialize middlewares
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_ = app.initModuleWithApp("middlewares", middlewares.InitMiddlewares)
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// initialize routes
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_ = app.initModuleWithApp("routes", routes.InitRoutes)
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}
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func (app *Api) Start() {
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// address
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host := viper.GetString("server.host")
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port := viper.GetString("server.port")
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address := net.JoinHostPort(host, port)
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// http server
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app.srv = &http.Server{
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Handler: app.app,
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Addr: address,
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}
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// listen
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var err error
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app.ln, err = net.Listen("tcp", address)
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if err != nil {
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panic(err)
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}
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app.ready = true
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// serve
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if err := http.Serve(app.ln, app.app); err != nil {
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if !errors.Is(err, http.ErrServerClosed) {
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log.Error("run server error:" + err.Error())
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} else {
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log.Info("server graceful down")
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}
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}
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}
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func (app *Api) Wait() {
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DefaultWait()
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}
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func (app *Api) Stop() {
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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if err := app.srv.Shutdown(ctx); err != nil {
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log.Error("run server error:" + err.Error())
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}
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}
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func (app *Api) GetGinEngine() *gin.Engine {
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return app.app
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}
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func (app *Api) GetHttpServer() *http.Server {
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return app.srv
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}
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func (app *Api) Ready() (ok bool) {
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return app.ready
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}
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func (app *Api) initModuleWithApp(name string, fn func(app *gin.Engine) error) (err error) {
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return initModule(name, func() error {
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return fn(app.app)
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})
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}
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func NewApi() *Api {
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api := &Api{
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app: gin.New(),
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}
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api.Init()
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return api
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}
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var api *Api
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func GetApi() *Api {
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if api != nil {
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return api
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}
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api = NewApi()
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return api
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}
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