beego: router change to method Tree

controller.go

@@ -35,9 +35,16 @@ const (
 var (
 	// custom error when user stop request handler manually.
 	USERSTOPRUN            = errors.New("User stop run")
-	GlobalControllerRouter map[string]map[string]*Tree //pkgpath+controller:method:routertree
+	GlobalControllerRouter map[string]*ControllerComments //pkgpath+controller:comments
 )
 
+// store the comment for the controller method
+type ControllerComments struct {
+	method           string
+	router           string
+	allowHTTPMethods []string
+}
+
 // Controller defines some basic http request handler operations, such as
 // http context, template and view, session and xsrf.
 type Controller struct {
@@ -56,7 +63,7 @@ type Controller struct {
 	AppController  interface{}
 	EnableRender   bool
 	EnableXSRF     bool
-	Routers        map[string]*Tree //method:routertree
+	methodMapping  map[string]func() //method:routertree
 }
 
 // ControllerInterface is an interface to uniform all controller handler.
@@ -74,7 +81,7 @@ type ControllerInterface interface {
 	Render() error
 	XsrfToken() string
 	CheckXsrfCookie() bool
-	HandlerFunc(fn interface{})
+	HandlerFunc(fn string)
 	URLMapping()
 }
 
@@ -90,7 +97,7 @@ func (c *Controller) Init(ctx *context.Context, controllerName, actionName strin
 	c.EnableRender = true
 	c.EnableXSRF = true
 	c.Data = ctx.Input.Data
-	c.Routers = make(map[string]*Tree)
+	c.methodMapping = make(map[string]func())
 }
 
 // Prepare runs after Init before request function execution.
@@ -139,9 +146,11 @@ func (c *Controller) Options() {
 }
 
 // call function fn
-func (c *Controller) HandlerFunc(fn interface{}) {
-	if v, ok := fn.(func()); ok {
+func (c *Controller) HandlerFunc(fnname string) {
+	if v, ok := c.methodMapping[fnname]; ok {
 		v()
+	} else {
+		Error("call funcname not exist in the methodMapping: " + fnname)
 	}
 }
 
@@ -149,19 +158,8 @@ func (c *Controller) HandlerFunc(fn interface{}) {
 func (c *Controller) URLMapping() {
 }
 
-func (c *Controller) Mapping(method, pattern string, fn func()) {
-	method = strings.ToLower(method)
-	if !utils.InSlice(method, HTTPMETHOD) && method != "*" {
-		Critical("add mapping method:" + method + " is a valid method")
-		return
-	}
-	if t, ok := c.Routers[method]; ok {
-		t.AddRouter(pattern, fn)
-	} else {
-		t = NewTree()
-		t.AddRouter(pattern, fn)
-		c.Routers[method] = t
-	}
+func (c *Controller) Mapping(method string, fn func()) {
+	c.methodMapping[method] = fn
 }
 
 // Render sends the response with rendered template bytes as text/html type.

namespace.go

@@ -182,7 +182,15 @@ func (n *Namespace) Handler(rootpath string, h http.Handler) *Namespace {
 //)
 func (n *Namespace) Namespace(ns ...*Namespace) *Namespace {
 	for _, ni := range ns {
-		n.handlers.routers.AddTree(ni.prefix, ni.handlers.routers)
+		for k, v := range ni.handlers.routers {
+			if t, ok := n.handlers.routers[k]; ok {
+				n.handlers.routers[k].AddTree(ni.prefix, v)
+			} else {
+				t = NewTree()
+				t.AddTree(ni.prefix, v)
+				n.handlers.routers[k] = t
+			}
+		}
 		if n.handlers.enableFilter {
 			for pos, filterList := range ni.handlers.filters {
 				for _, mr := range filterList {
@@ -201,7 +209,15 @@ func (n *Namespace) Namespace(ns ...*Namespace) *Namespace {
 // support multi Namespace
 func AddNamespace(nl ...*Namespace) {
 	for _, n := range nl {
-		BeeApp.Handlers.routers.AddTree(n.prefix, n.handlers.routers)
+		for k, v := range n.handlers.routers {
+			if t, ok := BeeApp.Handlers.routers[k]; ok {
+				BeeApp.Handlers.routers[k].AddTree(n.prefix, v)
+			} else {
+				t = NewTree()
+				t.AddTree(n.prefix, v)
+				BeeApp.Handlers.routers[k] = t
+			}
+		}
 		if n.handlers.enableFilter {
 			for pos, filterList := range n.handlers.filters {
 				for _, mr := range filterList {

parser.go

@@ -4,3 +4,43 @@
 // @license     http://github.com/astaxie/beego/blob/master/LICENSE
 // @authors     astaxie
 package beego
+
+import (
+	"os"
+	"path/filepath"
+)
+
+var globalControllerRouter = `package routers
+
+import (
+	"github.com/astaxie/beego"
+)
+
+func init() {
+	{{.globalinfo}}
+}
+`
+
+func parserPkg(pkgpath string) error {
+	err := filepath.Walk(pkgpath, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			Error("error scan app Controller source:", err)
+			return err
+		}
+		//if is normal file or name is temp skip
+		//directory is needed
+		if !info.IsDir() || info.Name() == "tmp" {
+			return nil
+		}
+
+		//fileSet := token.NewFileSet()
+		//astPkgs, err := parser.ParseDir(fileSet, path, func(info os.FileInfo) bool {
+		//	name := info.Name()
+		//	return !info.IsDir() && !strings.HasPrefix(name, ".") && strings.HasSuffix(name, ".go")
+		//}, parser.ParseComments)
+
+		return nil
+	})
+
+	return err
+}

router.go

@@ -12,7 +12,9 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+	"os"
 	"path"
+	"path/filepath"
 	"reflect"
 	"runtime"
 	"strconv"
@@ -67,7 +69,7 @@ type controllerInfo struct {
 
 // ControllerRegistor containers registered router rules, controller handlers and filters.
 type ControllerRegistor struct {
-	routers      *Tree
+	routers      map[string]*Tree
 	enableFilter bool
 	filters      map[int][]*FilterRouter
 }
@@ -75,7 +77,7 @@ type ControllerRegistor struct {
 // NewControllerRegistor returns a new ControllerRegistor.
 func NewControllerRegistor() *ControllerRegistor {
 	return &ControllerRegistor{
-		routers: NewTree(),
+		routers: make(map[string]*Tree),
 		filters: make(map[int][]*FilterRouter),
 	}
 }
@@ -120,17 +122,69 @@ func (p *ControllerRegistor) Add(pattern string, c ControllerInterface, mappingM
 	route.methods = methods
 	route.routerType = routerTypeBeego
 	route.controllerType = t
-	p.routers.AddRouter(pattern, route)
+	if len(methods) == 0 {
+		for _, m := range HTTPMETHOD {
+			p.addToRouter(m, pattern, route)
+		}
+	} else {
+		for k, _ := range methods {
+			if k == "*" {
+				for _, m := range HTTPMETHOD {
+					p.addToRouter(m, pattern, route)
+				}
+			} else {
+				p.addToRouter(k, pattern, route)
+			}
+		}
+	}
+}
+
+func (p *ControllerRegistor) addToRouter(method, pattern string, r *controllerInfo) {
+	if t, ok := p.routers[method]; ok {
+		t.AddRouter(pattern, r)
+	} else {
+		t := NewTree()
+		t.AddRouter(pattern, r)
+		p.routers[method] = t
+	}
 }
 
 // only when the Runmode is dev will generate router file in the router/auto.go from the controller
 // Include(&BankAccount{}, &OrderController{},&RefundController{},&ReceiptController{})
 func (p *ControllerRegistor) Include(cList ...ControllerInterface) {
 	if RunMode == "dev" {
+		skip := make(map[string]bool, 10)
 		for _, c := range cList {
 			reflectVal := reflect.ValueOf(c)
 			t := reflect.Indirect(reflectVal).Type()
-			t.PkgPath()
+			gopath := os.Getenv("GOPATH")
+			if gopath == "" {
+				panic("you are in dev mode. So please set gopath")
+			}
+			pkgpath := ""
+
+			wgopath := filepath.SplitList(gopath)
+			for _, wg := range wgopath {
+				wg, _ = filepath.EvalSymlinks(filepath.Join(wg, "src", t.PkgPath()))
+				if utils.FileExists(wg) {
+					pkgpath = wg
+					break
+				}
+			}
+			if pkgpath != "" {
+				if _, ok := skip[pkgpath]; !ok {
+					skip[pkgpath] = true
+					parserPkg(pkgpath)
+				}
+			}
+		}
+	}
+	for _, c := range cList {
+		reflectVal := reflect.ValueOf(c)
+		t := reflect.Indirect(reflectVal).Type()
+		key := t.PkgPath() + ":" + t.Name()
+		if comm, ok := GlobalControllerRouter[key]; ok {
+			p.Add(comm.router, c, strings.Join(comm.allowHTTPMethods, ",")+":"+comm.method)
 		}
 	}
 }
@@ -228,7 +282,15 @@ func (p *ControllerRegistor) AddMethod(method, pattern string, f FilterFunc) {
 		methods[method] = method
 	}
 	route.methods = methods
-	p.routers.AddRouter(pattern, route)
+	for k, _ := range methods {
+		if k == "*" {
+			for _, m := range HTTPMETHOD {
+				p.addToRouter(m, pattern, route)
+			}
+		} else {
+			p.addToRouter(k, pattern, route)
+		}
+	}
 }
 
 // add user defined Handler
@@ -241,7 +303,9 @@ func (p *ControllerRegistor) Handler(pattern string, h http.Handler, options ...
 			pattern = path.Join(pattern, "?:all")
 		}
 	}
-	p.routers.AddRouter(pattern, route)
+	for _, m := range HTTPMETHOD {
+		p.addToRouter(m, pattern, route)
+	}
 }
 
 // Add auto router to ControllerRegistor.
@@ -270,7 +334,9 @@ func (p *ControllerRegistor) AddAutoPrefix(prefix string, c ControllerInterface)
 			route.methods = map[string]string{"*": rt.Method(i).Name}
 			route.controllerType = ct
 			pattern := path.Join(prefix, controllerName, strings.ToLower(rt.Method(i).Name), "*")
-			p.routers.AddRouter(pattern, route)
+			for _, m := range HTTPMETHOD {
+				p.addToRouter(m, pattern, route)
+			}
 		}
 	}
 }
@@ -317,13 +383,14 @@ func (p *ControllerRegistor) UrlFor(endpoint string, values ...string) string {
 	}
 	controllName := strings.Join(paths[:len(paths)-1], ".")
 	methodName := paths[len(paths)-1]
-	ok, url := p.geturl(p.routers, "/", controllName, methodName, params)
+	for _, t := range p.routers {
+		ok, url := p.geturl(t, "/", controllName, methodName, params)
 		if ok {
 			return url
-	} else {
-		return ""
 		}
 	}
+	return ""
+}
 
 func (p *ControllerRegistor) geturl(t *Tree, url, controllName, methodName string, params map[string]string) (bool, string) {
 	for k, subtree := range t.fixrouters {
@@ -436,6 +503,7 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 
 	starttime := time.Now()
 	requestPath := r.URL.Path
+	method := strings.ToLower(r.Method)
 	var runrouter reflect.Type
 	var findrouter bool
 	var runMethod string
@@ -485,7 +553,7 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		}()
 	}
 
-	if !utils.InSlice(strings.ToLower(r.Method), HTTPMETHOD) {
+	if !utils.InSlice(method, HTTPMETHOD) {
 		http.Error(w, "Method Not Allowed", 405)
 		goto Admin
 	}
@@ -512,7 +580,8 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 	}
 
 	if !findrouter {
-		runObject, p := p.routers.Match(requestPath)
+		if t, ok := p.routers[method]; ok {
+			runObject, p := t.Match(requestPath)
 			if r, ok := runObject.(*controllerInfo); ok {
 				routerInfo = r
 				findrouter = true
@@ -526,6 +595,8 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 			}
 		}
 
+	}
+
 	//if no matches to url, throw a not found exception
 	if !findrouter {
 		middleware.Exception("404", rw, r, "")

router_test.go

@@ -291,6 +291,17 @@ func (a *AdminController) Get() {
 	a.Ctx.WriteString("hello")
 }
 
+func TestRouterFunc(t *testing.T) {
+	mux := NewControllerRegistor()
+	mux.Get("/action", beegoFilterFunc)
+	mux.Post("/action", beegoFilterFunc)
+	rw, r := testRequest("GET", "/action")
+	mux.ServeHTTP(rw, r)
+	if rw.Body.String() != "hello" {
+		t.Errorf("TestRouterFunc can't run")
+	}
+}
+
 func BenchmarkFunc(b *testing.B) {
 	mux := NewControllerRegistor()
 	mux.Get("/action", beegoFilterFunc)