Ejemplo n.º 1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="context"></param>
        /// <param name="id"></param>
        /// <param name="timeout"></param>
        /// <remarks>
        /// checked
        /// </remarks>
        public override void CreateUninitializedItem(HttpContext context, string id, int timeout)
        {
            var model = new SessionStateList()
            {
                SessionModels = new SessionState[1]
                {
                    new SessionState()
                    {
                        ApplicationName = applicationName,
                        ExpireDate      = DateTime.Now.AddMinutes(timeout),
                        LockId          = 0,
                        SessionId       = id,
                        SessionText     = "",
                        IsLocked        = false,
                        Timeout         = timeout,
                        ActionFlag      = SessionStateActions.InitializeItem
                    }
                },
                ExpireDate = DateTime.Now.AddMinutes(timeout),
            };

            this.cache.Set(id, model, TimeSpan.FromMinutes(timeout));
        }
Ejemplo n.º 2
0
        /// <summary>
        /// checked
        /// </summary>
        /// <param name="context"></param>
        /// <param name="id"></param>
        /// <param name="item"></param>
        /// <param name="lockId"></param>
        /// <param name="newItem"></param>
        /// <remarks>
        /// checked
        /// </remarks>
        public override void SetAndReleaseItemExclusive(HttpContext context, string id, SessionStateStoreData item, object lockId, bool newItem)
        {
            string sessionText = new System.Func <string>(() =>
            {
                var coll = (SessionStateItemCollection)item.Items;
                using (var output = new MemoryStream())
                //using (var bin = new BinaryWriter(output))
                {
                    coll.Serialize(new BinaryWriter(output));
                    return(Convert.ToBase64String(output.ToArray()));
                }
            }).Invoke();

            //存储Session对象模型
            var model = this.cache.Get <SessionStateList>(id);

            if (model == null)
            {
                model = new SessionStateList()
                {
                    ExpireDate = DateTime.Now.AddMinutes(item.Timeout)
                }
            }
            ;

            if (newItem || model.SessionModels == null || model.SessionModels.Count() == 0)
            {
                if (model.SessionModels != null)
                {
                    //删除过期的对象
                    var list = (from n in model.SessionModels where n.ExpireDate > DateTime.Now select n).ToList();
                    model.SessionModels = list.ToArray();
                }
                if (model.SessionModels == null)
                {
                    model.SessionModels = new SessionState[0];
                }

                var second = new[] { new SessionState()
                                     {
                                         SessionId       = id,
                                         ApplicationName = applicationName,
                                         ExpireDate      = DateTime.Now.AddMinutes(item.Timeout),
                                         LockId          = 0,
                                         Timeout         = item.Timeout,
                                         IsLocked        = false,
                                         SessionText     = sessionText
                                     } };
                model.SessionModels = model.SessionModels.Union(second, EqualityComparer <SessionState> .Default).ToArray();
            }
            else
            {
                if (model.SessionModels != null && lockId != null)
                {
                    var newLockId = (long)lockId;
                    foreach (var session in model.SessionModels)
                    {
                        if (session.LockId == newLockId)
                        {
                            session.SessionText = sessionText;
                            session.IsLocked    = false;
                            session.ExpireDate  = DateTime.Now.AddMinutes(item.Timeout);
                        }
                    }
                }
            }
            if ((model.ExpireDate - DateTime.Now).Minutes <= 0)
            {
                model.ExpireDate = DateTime.Now.AddMinutes(sessionCfg.Timeout.TotalMinutes);
            }

            this.cache.Set(id, model, model.ExpireDate - DateTime.Now);
        }