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Beego/app.go

363 lines
10 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package beego
import (
"fmt"
"net"
"net/http"
"net/http/fcgi"
"os"
"path"
"time"
"github.com/astaxie/beego/grace"
"github.com/astaxie/beego/utils"
)
var (
// BeeApp is an application instance
BeeApp *App
)
func init() {
// create beego application
BeeApp = NewApp()
}
// App defines beego application with a new PatternServeMux.
type App struct {
Handlers *ControllerRegister
Server *http.Server
}
// NewApp returns a new beego application.
func NewApp() *App {
cr := NewControllerRegister()
app := &App{Handlers: cr, Server: &http.Server{}}
return app
}
// Run beego application.
func (app *App) Run() {
addr := BConfig.Listen.HTTPAddr
if BConfig.Listen.HTTPPort != 0 {
addr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPAddr, BConfig.Listen.HTTPPort)
}
var (
err error
l net.Listener
endRunning = make(chan bool, 1)
)
// run cgi server
if BConfig.Listen.EnableFcgi {
if BConfig.Listen.EnableStdIo {
if err = fcgi.Serve(nil, app.Handlers); err == nil { // standard I/O
BeeLogger.Info("Use FCGI via standard I/O")
} else {
BeeLogger.Critical("Cannot use FCGI via standard I/O", err)
}
return
}
if BConfig.Listen.HTTPPort == 0 {
// remove the Socket file before start
if utils.FileExists(addr) {
os.Remove(addr)
}
l, err = net.Listen("unix", addr)
} else {
l, err = net.Listen("tcp", addr)
}
if err != nil {
BeeLogger.Critical("Listen: ", err)
}
if err = fcgi.Serve(l, app.Handlers); err != nil {
BeeLogger.Critical("fcgi.Serve: ", err)
}
return
}
app.Server.Handler = app.Handlers
app.Server.ReadTimeout = time.Duration(BConfig.Listen.ServerTimeOut) * time.Second
app.Server.WriteTimeout = time.Duration(BConfig.Listen.ServerTimeOut) * time.Second
// run graceful mode
if BConfig.Listen.Graceful {
httpsAddr := BConfig.Listen.HTTPSAddr
app.Server.Addr = httpsAddr
if BConfig.Listen.HTTPSEnable {
go func() {
time.Sleep(20 * time.Microsecond)
if BConfig.Listen.HTTPSPort != 0 {
httpsAddr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPSAddr, BConfig.Listen.HTTPSPort)
app.Server.Addr = httpsAddr
}
server := grace.NewServer(httpsAddr, app.Handlers)
server.Server.ReadTimeout = app.Server.ReadTimeout
server.Server.WriteTimeout = app.Server.WriteTimeout
if err := server.ListenAndServeTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile); err != nil {
BeeLogger.Critical("ListenAndServeTLS: ", err, fmt.Sprintf("%d", os.Getpid()))
time.Sleep(100 * time.Microsecond)
endRunning <- true
}
}()
}
if BConfig.Listen.HTTPEnable {
go func() {
server := grace.NewServer(addr, app.Handlers)
server.Server.ReadTimeout = app.Server.ReadTimeout
server.Server.WriteTimeout = app.Server.WriteTimeout
if BConfig.Listen.ListenTCP4 {
server.Network = "tcp4"
}
if err := server.ListenAndServe(); err != nil {
BeeLogger.Critical("ListenAndServe: ", err, fmt.Sprintf("%d", os.Getpid()))
time.Sleep(100 * time.Microsecond)
endRunning <- true
}
}()
}
<-endRunning
return
}
// run normal mode
app.Server.Addr = addr
if BConfig.Listen.HTTPSEnable {
go func() {
time.Sleep(20 * time.Microsecond)
if BConfig.Listen.HTTPSPort != 0 {
app.Server.Addr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPSAddr, BConfig.Listen.HTTPSPort)
}
BeeLogger.Info("https server Running on %s", app.Server.Addr)
if err := app.Server.ListenAndServeTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile); err != nil {
BeeLogger.Critical("ListenAndServeTLS: ", err)
time.Sleep(100 * time.Microsecond)
endRunning <- true
}
}()
}
if BConfig.Listen.HTTPEnable {
go func() {
app.Server.Addr = addr
BeeLogger.Info("http server Running on %s", app.Server.Addr)
if BConfig.Listen.ListenTCP4 {
ln, err := net.Listen("tcp4", app.Server.Addr)
if err != nil {
BeeLogger.Critical("ListenAndServe: ", err)
time.Sleep(100 * time.Microsecond)
endRunning <- true
return
}
if err = app.Server.Serve(ln); err != nil {
BeeLogger.Critical("ListenAndServe: ", err)
time.Sleep(100 * time.Microsecond)
endRunning <- true
return
}
} else {
if err := app.Server.ListenAndServe(); err != nil {
BeeLogger.Critical("ListenAndServe: ", err)
time.Sleep(100 * time.Microsecond)
endRunning <- true
}
}
}()
}
<-endRunning
}
// Router adds a patterned controller handler to BeeApp.
// it's an alias method of App.Router.
// usage:
// simple router
// beego.Router("/admin", &admin.UserController{})
// beego.Router("/admin/index", &admin.ArticleController{})
//
// regex router
//
// beego.Router("/api/:id([0-9]+)", &controllers.RController{})
//
// custom rules
// beego.Router("/api/list",&RestController{},"*:ListFood")
// beego.Router("/api/create",&RestController{},"post:CreateFood")
// beego.Router("/api/update",&RestController{},"put:UpdateFood")
// beego.Router("/api/delete",&RestController{},"delete:DeleteFood")
func Router(rootpath string, c ControllerInterface, mappingMethods ...string) *App {
BeeApp.Handlers.Add(rootpath, c, mappingMethods...)
return BeeApp
}
// Include will generate router file in the router/xxx.go from the controller's comments
// usage:
// beego.Include(&BankAccount{}, &OrderController{},&RefundController{},&ReceiptController{})
// type BankAccount struct{
// beego.Controller
// }
//
// register the function
// func (b *BankAccount)Mapping(){
// b.Mapping("ShowAccount" , b.ShowAccount)
// b.Mapping("ModifyAccount", b.ModifyAccount)
//}
//
// //@router /account/:id [get]
// func (b *BankAccount) ShowAccount(){
// //logic
// }
//
//
// //@router /account/:id [post]
// func (b *BankAccount) ModifyAccount(){
// //logic
// }
//
// the comments @router url methodlist
// url support all the function Router's pattern
// methodlist [get post head put delete options *]
func Include(cList ...ControllerInterface) *App {
BeeApp.Handlers.Include(cList...)
return BeeApp
}
// RESTRouter adds a restful controller handler to BeeApp.
// its' controller implements beego.ControllerInterface and
// defines a param "pattern/:objectId" to visit each resource.
func RESTRouter(rootpath string, c ControllerInterface) *App {
Router(rootpath, c)
Router(path.Join(rootpath, ":objectId"), c)
return BeeApp
}
// AutoRouter adds defined controller handler to BeeApp.
// it's same to App.AutoRouter.
// if beego.AddAuto(&MainContorlller{}) and MainController has methods List and Page,
// visit the url /main/list to exec List function or /main/page to exec Page function.
func AutoRouter(c ControllerInterface) *App {
BeeApp.Handlers.AddAuto(c)
return BeeApp
}
// AutoPrefix adds controller handler to BeeApp with prefix.
// it's same to App.AutoRouterWithPrefix.
// if beego.AutoPrefix("/admin",&MainContorlller{}) and MainController has methods List and Page,
// visit the url /admin/main/list to exec List function or /admin/main/page to exec Page function.
func AutoPrefix(prefix string, c ControllerInterface) *App {
BeeApp.Handlers.AddAutoPrefix(prefix, c)
return BeeApp
}
// Get used to register router for Get method
// usage:
// beego.Get("/", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Get(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Get(rootpath, f)
return BeeApp
}
// Post used to register router for Post method
// usage:
// beego.Post("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Post(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Post(rootpath, f)
return BeeApp
}
// Delete used to register router for Delete method
// usage:
// beego.Delete("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Delete(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Delete(rootpath, f)
return BeeApp
}
// Put used to register router for Put method
// usage:
// beego.Put("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Put(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Put(rootpath, f)
return BeeApp
}
// Head used to register router for Head method
// usage:
// beego.Head("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Head(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Head(rootpath, f)
return BeeApp
}
// Options used to register router for Options method
// usage:
// beego.Options("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Options(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Options(rootpath, f)
return BeeApp
}
// Patch used to register router for Patch method
// usage:
// beego.Patch("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Patch(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Patch(rootpath, f)
return BeeApp
}
// Any used to register router for all methods
// usage:
// beego.Any("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Any(rootpath string, f FilterFunc) *App {
BeeApp.Handlers.Any(rootpath, f)
return BeeApp
}
// Handler used to register a Handler router
// usage:
// beego.Handler("/api", func(ctx *context.Context){
// ctx.Output.Body("hello world")
// })
func Handler(rootpath string, h http.Handler, options ...interface{}) *App {
BeeApp.Handlers.Handler(rootpath, h, options...)
return BeeApp
}
// InsertFilter adds a FilterFunc with pattern condition and action constant.
// The pos means action constant including
// beego.BeforeStatic, beego.BeforeRouter, beego.BeforeExec, beego.AfterExec and beego.FinishRouter.
// The bool params is for setting the returnOnOutput value (false allows multiple filters to execute)
func InsertFilter(pattern string, pos int, filter FilterFunc, params ...bool) *App {
BeeApp.Handlers.InsertFilter(pattern, pos, filter, params...)
return BeeApp
}