Fixed# add a clear method to sessionMgr

README.md

@@ -77,6 +77,8 @@ func main(){
 
 ### memory_based:
 
+warning: this is just for test!
+
 ```go
 
 package main

memory.go

@@ -101,3 +101,10 @@ func (m *MemSessionMgr) CreateSession() (sd Session) {
 	m.session[sd.ID()] = sd
 	return
 }
+
+// Clear delete the request session in sessionMgr
+func (m *MemSessionMgr)Clear(sessionID string){
+	m.rwLock.Lock()
+	defer m.rwLock.Unlock()
+	delete(m.session, sessionID)
+}

redis.go

@@ -168,3 +168,10 @@ func (r *redisSessionMgr) CreateSession() (sd Session) {
 	r.session[sd.ID()] = sd
 	return
 }
+
+// Clear delete the request session in sessionMgr
+func (r *redisSessionMgr) Clear(sessionID string){
+	r.rwLock.Lock()
+	defer r.rwLock.Unlock()
+	delete(r.session, sessionID)
+}

session.go

@@ -28,6 +28,7 @@ type SessionMgr interface {
 	Init(addr string, options ...string) error // init the session store
 	GetSession(string) (Session, error)        // get the session by sessionID
 	CreateSession() (Session)           // create a new session
+	Clear(string) // clear the request session data
 }
 
 // Options Cookie Options
@@ -65,7 +66,7 @@ func SessionMiddleware(sm SessionMgr, options Options) gin.HandlerFunc {
 		// so next handlerFunc can get the session by c.Get(SessionContextName)
 		var session Session
 		// try to get sessionID from cookie
-		sessionID, err := c.Cookie("session_id")
+		sessionID, err := c.Cookie(SessionCookieName)
 		if err != nil {
 			// can't get sessionID from Cookie, need to create a new session
 			log.Printf("get session_id from Cookie failed，err:%v\n", err)
@@ -85,6 +86,7 @@ func SessionMiddleware(sm SessionMgr, options Options) gin.HandlerFunc {
 		c.Set(SessionContextName, session)
 		// must write cookie before handlerFunc return
 		c.SetCookie(SessionCookieName, sessionID, options.MaxAge, options.Path, options.Domain, options.Secure, options.HttpOnly)
+		defer sm.Clear(sessionID)
 		c.Next()
 	}
 }