use sync.Pool to reuse Context

context/context.go

@@ -35,6 +35,14 @@ import (
 	"github.com/astaxie/beego/utils"
 )
 
+// NewContext return the Context with Input and Output
+func NewContext() *Context {
+	return &Context{
+		Input:  NewInput(),
+		Output: NewOutput(),
+	}
+}
+
 // Context Http request context struct including BeegoInput, BeegoOutput, http.Request and http.ResponseWriter.
 // BeegoInput and BeegoOutput provides some api to operate request and response more easily.
 type Context struct {
@@ -45,6 +53,14 @@ type Context struct {
 	_xsrfToken     string
 }
 
+// Reset init Context, BeegoInput and BeegoOutput
+func (ctx *Context) Reset(rw http.ResponseWriter, r *http.Request) {
+	ctx.Request = r
+	ctx.ResponseWriter = rw
+	ctx.Input.Reset(ctx)
+	ctx.Output.Reset(ctx)
+}
+
 // Redirect does redirection to localurl with http header status code.
 // It sends http response header directly.
 func (ctx *Context) Redirect(status int, localurl string) {

context/input.go

@@ -18,7 +18,6 @@ import (
 	"bytes"
 	"errors"
 	"io/ioutil"
-	"net/http"
 	"net/url"
 	"reflect"
 	"regexp"
@@ -39,37 +38,43 @@ var (
 // BeegoInput operates the http request header, data, cookie and body.
 // it also contains router params and current session.
 type BeegoInput struct {
-	CruSession    session.Store
-	Params        map[string]string
-	Data          map[interface{}]interface{} // store some values in this context when calling context in filter or controller.
-	Request       *http.Request
-	RequestBody   []byte
-	RunController reflect.Type
-	RunMethod     string
+	Context     *Context
+	CruSession  session.Store
+	Params      map[string]string
+	Data        map[interface{}]interface{} // store some values in this context when calling context in filter or controller.
+	RequestBody []byte
 }
 
-// NewInput return BeegoInput generated by http.Request.
-func NewInput(req *http.Request) *BeegoInput {
+// NewInput return BeegoInput generated by Context.
+func NewInput() *BeegoInput {
 	return &BeegoInput{
-		Params:  make(map[string]string),
-		Data:    make(map[interface{}]interface{}),
-		Request: req,
+		Params: make(map[string]string),
+		Data:   make(map[interface{}]interface{}),
 	}
 }
 
+// Reset init the BeegoInput
+func (input *BeegoInput) Reset(ctx *Context) {
+	input.Context = ctx
+	input.CruSession = nil
+	input.Params = make(map[string]string)
+	input.Data = make(map[interface{}]interface{})
+	input.RequestBody = []byte{}
+}
+
 // Protocol returns request protocol name, such as HTTP/1.1 .
 func (input *BeegoInput) Protocol() string {
-	return input.Request.Proto
+	return input.Context.Request.Proto
 }
 
 // URI returns full request url with query string, fragment.
 func (input *BeegoInput) URI() string {
-	return input.Request.RequestURI
+	return input.Context.Request.RequestURI
 }
 
 // URL returns request url path (without query string, fragment).
 func (input *BeegoInput) URL() string {
-	return input.Request.URL.Path
+	return input.Context.Request.URL.Path
 }
 
 // Site returns base site url as scheme://domain type.
@@ -79,10 +84,10 @@ func (input *BeegoInput) Site() string {
 
 // Scheme returns request scheme as "http" or "https".
 func (input *BeegoInput) Scheme() string {
-	if input.Request.URL.Scheme != "" {
-		return input.Request.URL.Scheme
+	if input.Context.Request.URL.Scheme != "" {
+		return input.Context.Request.URL.Scheme
 	}
-	if input.Request.TLS == nil {
+	if input.Context.Request.TLS == nil {
 		return "http"
 	}
 	return "https"
@@ -97,19 +102,19 @@ func (input *BeegoInput) Domain() string {
 // Host returns host name.
 // if no host info in request, return localhost.
 func (input *BeegoInput) Host() string {
-	if input.Request.Host != "" {
-		hostParts := strings.Split(input.Request.Host, ":")
+	if input.Context.Request.Host != "" {
+		hostParts := strings.Split(input.Context.Request.Host, ":")
 		if len(hostParts) > 0 {
 			return hostParts[0]
 		}
-		return input.Request.Host
+		return input.Context.Request.Host
 	}
 	return "localhost"
 }
 
 // Method returns http request method.
 func (input *BeegoInput) Method() string {
-	return input.Request.Method
+	return input.Context.Request.Method
 }
 
 // Is returns boolean of this request is on given method, such as Is("POST").
@@ -196,7 +201,7 @@ func (input *BeegoInput) IP() string {
 		rip := strings.Split(ips[0], ":")
 		return rip[0]
 	}
-	ip := strings.Split(input.Request.RemoteAddr, ":")
+	ip := strings.Split(input.Context.Request.RemoteAddr, ":")
 	if len(ip) > 0 {
 		if ip[0] != "[" {
 			return ip[0]
@@ -236,7 +241,7 @@ func (input *BeegoInput) SubDomains() string {
 // Port returns request client port.
 // when error or empty, return 80.
 func (input *BeegoInput) Port() int {
-	parts := strings.Split(input.Request.Host, ":")
+	parts := strings.Split(input.Context.Request.Host, ":")
 	if len(parts) == 2 {
 		port, _ := strconv.Atoi(parts[1])
 		return port
@@ -262,22 +267,22 @@ func (input *BeegoInput) Query(key string) string {
 	if val := input.Param(key); val != "" {
 		return val
 	}
-	if input.Request.Form == nil {
-		input.Request.ParseForm()
+	if input.Context.Request.Form == nil {
+		input.Context.Request.ParseForm()
 	}
-	return input.Request.Form.Get(key)
+	return input.Context.Request.Form.Get(key)
 }
 
 // Header returns request header item string by a given string.
 // if non-existed, return empty string.
 func (input *BeegoInput) Header(key string) string {
-	return input.Request.Header.Get(key)
+	return input.Context.Request.Header.Get(key)
 }
 
 // Cookie returns request cookie item string by a given key.
 // if non-existed, return empty string.
 func (input *BeegoInput) Cookie(key string) string {
-	ck, err := input.Request.Cookie(key)
+	ck, err := input.Context.Request.Cookie(key)
 	if err != nil {
 		return ""
 	}
@@ -292,10 +297,10 @@ func (input *BeegoInput) Session(key interface{}) interface{} {
 
 // CopyBody returns the raw request body data as bytes.
 func (input *BeegoInput) CopyBody() []byte {
-	requestbody, _ := ioutil.ReadAll(input.Request.Body)
-	input.Request.Body.Close()
+	requestbody, _ := ioutil.ReadAll(input.Context.Request.Body)
+	input.Context.Request.Body.Close()
 	bf := bytes.NewBuffer(requestbody)
-	input.Request.Body = ioutil.NopCloser(bf)
+	input.Context.Request.Body = ioutil.NopCloser(bf)
 	input.RequestBody = requestbody
 	return requestbody
 }
@@ -318,10 +323,10 @@ func (input *BeegoInput) SetData(key, val interface{}) {
 func (input *BeegoInput) ParseFormOrMulitForm(maxMemory int64) error {
 	// Parse the body depending on the content type.
 	if strings.Contains(input.Header("Content-Type"), "multipart/form-data") {
-		if err := input.Request.ParseMultipartForm(maxMemory); err != nil {
+		if err := input.Context.Request.ParseMultipartForm(maxMemory); err != nil {
 			return errors.New("Error parsing request body:" + err.Error())
 		}
-	} else if err := input.Request.ParseForm(); err != nil {
+	} else if err := input.Context.Request.ParseForm(); err != nil {
 		return errors.New("Error parsing request body:" + err.Error())
 	}
 	return nil
@@ -386,13 +391,13 @@ func (input *BeegoInput) bind(key string, typ reflect.Type) reflect.Value {
 		}
 		rv = input.bindBool(val, typ)
 	case reflect.Slice:
-		rv = input.bindSlice(&input.Request.Form, key, typ)
+		rv = input.bindSlice(&input.Context.Request.Form, key, typ)
 	case reflect.Struct:
-		rv = input.bindStruct(&input.Request.Form, key, typ)
+		rv = input.bindStruct(&input.Context.Request.Form, key, typ)
 	case reflect.Ptr:
 		rv = input.bindPoint(key, typ)
 	case reflect.Map:
-		rv = input.bindMap(&input.Request.Form, key, typ)
+		rv = input.bindMap(&input.Context.Request.Form, key, typ)
 	}
 	return rv
 }

context/output.go

@@ -43,6 +43,12 @@ func NewOutput() *BeegoOutput {
 	return &BeegoOutput{}
 }
 
+// Reset init BeegoOutput
+func (output *BeegoOutput) Reset(ctx *Context) {
+	output.Context = ctx
+	output.Status = 0
+}
+
 // Header sets response header item string via given key.
 func (output *BeegoOutput) Header(key, val string) {
 	output.Context.ResponseWriter.Header().Set(key, val)
@@ -55,7 +61,7 @@ func (output *BeegoOutput) Body(content []byte) {
 	var encoding string
 	var buf = &bytes.Buffer{}
 	if output.EnableGzip {
-		encoding = ParseEncoding(output.Context.Input.Request)
+		encoding = ParseEncoding(output.Context.Request)
 	}
 	if b, n, _ := WriteBody(encoding, buf, content); b {
 		output.Header("Content-Encoding", n)

docs.go

@@ -21,13 +21,7 @@ import (
 )
 
 // GlobalDocAPI store the swagger api documents
-var GlobalDocAPI map[string]interface{}
-
-func init() {
-	if BConfig.WebConfig.EnableDocs {
-		GlobalDocAPI = make(map[string]interface{})
-	}
-}
+var GlobalDocAPI = make(map[string]interface{})
 
 func serverDocs(ctx *context.Context) {
 	var obj interface{}

router.go

@@ -24,6 +24,7 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	beecontext "github.com/astaxie/beego/context"
@@ -83,7 +84,7 @@ type logFilter struct {
 }
 
 func (l *logFilter) Filter(ctx *beecontext.Context) bool {
-	requestPath := path.Clean(ctx.Input.Request.URL.Path)
+	requestPath := path.Clean(ctx.Request.URL.Path)
 	if requestPath == "/favicon.ico" || requestPath == "/robots.txt" {
 		return true
 	}
@@ -114,14 +115,19 @@ type ControllerRegister struct {
 	routers      map[string]*Tree
 	enableFilter bool
 	filters      map[int][]*FilterRouter
+	pool         sync.Pool
 }
 
 // NewControllerRegister returns a new ControllerRegister.
 func NewControllerRegister() *ControllerRegister {
-	return &ControllerRegister{
+	cr := &ControllerRegister{
 		routers: make(map[string]*Tree),
 		filters: make(map[int][]*FilterRouter),
 	}
+	cr.pool.New = func() interface{} {
+		return beecontext.NewContext()
+	}
+	return cr
 }
 
 // Add controller handler and pattern rules to ControllerRegister.
@@ -132,7 +138,7 @@ func NewControllerRegister() *ControllerRegister {
 //	Add("/api/create",&RestController{},"post:CreateFood")
 //	Add("/api/update",&RestController{},"put:UpdateFood")
 //	Add("/api/delete",&RestController{},"delete:DeleteFood")
-//	Add("/api",&RestController{},"get,post:ApiFunc")
+//	Add("/api",&RestController{},"get,post:ApiFunc"
 //	Add("/simple",&SimpleController{},"get:GetFunc;post:PostFunc")
 func (p *ControllerRegister) Add(pattern string, c ControllerInterface, mappingMethods ...string) {
 	reflectVal := reflect.ValueOf(c)
@@ -573,26 +579,18 @@ func (p *ControllerRegister) geturl(t *Tree, url, controllName, methodName strin
 // Implement http.Handler interface.
 func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
 	starttime := time.Now()
-	var runrouter reflect.Type
-	var findrouter bool
-	var runMethod string
-	var routerInfo *controllerInfo
-
-	w := &responseWriter{rw, false, 0}
-
+	var (
+		runrouter  reflect.Type
+		findrouter bool
+		runMethod  string
+		routerInfo *controllerInfo
+		w          = &responseWriter{rw, false, 0}
+	)
 	if BConfig.RunMode == "dev" {
 		w.Header().Set("Server", BConfig.ServerName)
 	}
-
-	// init context
-	context := &beecontext.Context{
-		ResponseWriter: w,
-		Request:        r,
-		Input:          beecontext.NewInput(r),
-		Output:         beecontext.NewOutput(),
-	}
-	context.Output.Context = context
-	context.Output.EnableGzip = BConfig.EnableGzip
+	context := p.pool.Get().(*beecontext.Context)
+	context.Reset(w, r)
 
 	defer p.recoverPanic(context)
 
@@ -670,23 +668,14 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		goto Admin
 	}
 
-	if context.Input.RunController != nil && context.Input.RunMethod != "" {
-		findrouter = true
-		runMethod = context.Input.RunMethod
-		runrouter = context.Input.RunController
-	}
-
 	if !findrouter {
 		httpMethod := r.Method
-
 		if httpMethod == "POST" && context.Input.Query("_method") == "PUT" {
 			httpMethod = "PUT"
 		}
-
 		if httpMethod == "POST" && context.Input.Query("_method") == "DELETE" {
 			httpMethod = "DELETE"
 		}
-
 		if t, ok := p.routers[httpMethod]; ok {
 			runObject, p := t.Match(urlPath)
 			if r, ok := runObject.(*controllerInfo); ok {
@@ -897,7 +886,6 @@ type responseWriter struct {
 	status  int
 }
 
-
 // Write writes the data to the connection as part of an HTTP reply,
 // and sets `started` to true.
 // started means the response has sent out.

staticfile.go

@@ -144,7 +144,7 @@ func isStaticCompress(filePath string) bool {
 // searchFile search the file by url path
 // if none the static file prefix matches ,return notStaticRequestErr
 func searchFile(ctx *context.Context) (string, os.FileInfo, error) {
-	requestPath := filepath.ToSlash(filepath.Clean(ctx.Input.Request.URL.Path))
+	requestPath := filepath.ToSlash(filepath.Clean(ctx.Request.URL.Path))
 	// special processing : favicon.ico/robots.txt  can be in any static dir
 	if requestPath == "/favicon.ico" || requestPath == "/robots.txt" {
 		file := path.Join(".", requestPath)