Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / State / SessionStateUtil.cs / 1 / SessionStateUtil.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * SessionStateUtil * */ namespace System.Web.SessionState { using System.Collections; using System.Web; using System.Web.Util; using System.IO; using System.Xml; using System.Security.Permissions; using System.Collections.Generic; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public static class SessionStateUtility { internal const String SESSION_KEY = "AspSession"; // Called by custom session state module if they want to raise Session_End. static public void RaiseSessionEnd(IHttpSessionState session, Object eventSource, EventArgs eventArgs) { HttpApplicationFactory.EndSession(new HttpSessionState(session), eventSource, eventArgs); } // Called by custom session state module static public void AddHttpSessionStateToContext(HttpContext context, IHttpSessionState container) { HttpSessionState sessionState = new HttpSessionState(container); try { context.Items.Add(SESSION_KEY, sessionState); } catch (ArgumentException) { throw new HttpException(SR.GetString(SR.Cant_have_multiple_session_module)); } } static internal void AddDelayedHttpSessionStateToContext(HttpContext context, SessionStateModule module) { context.AddDelayedHttpSessionState(module); } static internal void RemoveHttpSessionStateFromContext(HttpContext context, bool delayed) { if (delayed) { context.RemoveDelayedHttpSessionState(); } else { context.Items.Remove(SESSION_KEY); } } // Called by custom session state module static public void RemoveHttpSessionStateFromContext(HttpContext context) { RemoveHttpSessionStateFromContext(context, false); } // Called by custom session state module static public IHttpSessionState GetHttpSessionStateFromContext(HttpContext context) { return context.Session.Container; } static public HttpStaticObjectsCollection GetSessionStaticObjects(HttpContext context) { return context.Application.SessionStaticObjects.Clone(); } internal static SessionStateStoreData CreateLegitStoreData(HttpContext context, ISessionStateItemCollection sessionItems, HttpStaticObjectsCollection staticObjects, int timeout) { if (sessionItems == null) { sessionItems = new SessionStateItemCollection(); } if (staticObjects == null && context != null) { staticObjects = SessionStateUtility.GetSessionStaticObjects(context); } return new SessionStateStoreData(sessionItems, staticObjects, timeout); } // This method will take an item and serialize it internal static void Serialize(SessionStateStoreData item, Stream stream) { bool hasItems = true; bool hasStaticObjects = true; BinaryWriter writer = new BinaryWriter(stream); writer.Write(item.Timeout); if (item.Items == null || item.Items.Count == 0) { hasItems = false; } writer.Write(hasItems); if (item.StaticObjects == null || item.StaticObjects.NeverAccessed) { hasStaticObjects = false; } writer.Write(hasStaticObjects); if (hasItems) { ((SessionStateItemCollection)item.Items).Serialize(writer); } if (hasStaticObjects) { item.StaticObjects.Serialize(writer); } // Prevent truncation of the stream writer.Write(unchecked((byte)0xff)); } // This will deserialize and return an item. // This version uses the default classes for SessionStateItemCollection, HttpStaticObjectsCollection // and SessionStateStoreData internal static SessionStateStoreData Deserialize(HttpContext context, Stream stream) { int timeout; SessionStateItemCollection sessionItems; bool hasItems; bool hasStaticObjects; HttpStaticObjectsCollection staticObjects; Byte eof; Debug.Assert(context != null); try { BinaryReader reader = new BinaryReader(stream); timeout = reader.ReadInt32(); hasItems = reader.ReadBoolean(); hasStaticObjects = reader.ReadBoolean(); if (hasItems) { sessionItems = SessionStateItemCollection.Deserialize(reader); } else { sessionItems = new SessionStateItemCollection(); } if (hasStaticObjects) { staticObjects = HttpStaticObjectsCollection.Deserialize(reader); } else { staticObjects = SessionStateUtility.GetSessionStaticObjects(context); } eof = reader.ReadByte(); if (eof != 0xff) { throw new HttpException(SR.GetString(SR.Invalid_session_state)); } } catch (EndOfStreamException) { throw new HttpException(SR.GetString(SR.Invalid_session_state)); } return new SessionStateStoreData(sessionItems, staticObjects, timeout); } static internal void SerializeStoreData(SessionStateStoreData item, int initialStreamSize, out byte[] buf, out int length) { MemoryStream s = null; try { s = new MemoryStream(initialStreamSize); SessionStateUtility.Serialize(item, s); buf = s.GetBuffer(); length = (int) s.Length; } finally { if (s != null) { s.Close(); } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //[To be supplied.] ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * SessionStateUtil * */ namespace System.Web.SessionState { using System.Collections; using System.Web; using System.Web.Util; using System.IO; using System.Xml; using System.Security.Permissions; using System.Collections.Generic; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public static class SessionStateUtility { internal const String SESSION_KEY = "AspSession"; // Called by custom session state module if they want to raise Session_End. static public void RaiseSessionEnd(IHttpSessionState session, Object eventSource, EventArgs eventArgs) { HttpApplicationFactory.EndSession(new HttpSessionState(session), eventSource, eventArgs); } // Called by custom session state module static public void AddHttpSessionStateToContext(HttpContext context, IHttpSessionState container) { HttpSessionState sessionState = new HttpSessionState(container); try { context.Items.Add(SESSION_KEY, sessionState); } catch (ArgumentException) { throw new HttpException(SR.GetString(SR.Cant_have_multiple_session_module)); } } static internal void AddDelayedHttpSessionStateToContext(HttpContext context, SessionStateModule module) { context.AddDelayedHttpSessionState(module); } static internal void RemoveHttpSessionStateFromContext(HttpContext context, bool delayed) { if (delayed) { context.RemoveDelayedHttpSessionState(); } else { context.Items.Remove(SESSION_KEY); } } // Called by custom session state module static public void RemoveHttpSessionStateFromContext(HttpContext context) { RemoveHttpSessionStateFromContext(context, false); } // Called by custom session state module static public IHttpSessionState GetHttpSessionStateFromContext(HttpContext context) { return context.Session.Container; } static public HttpStaticObjectsCollection GetSessionStaticObjects(HttpContext context) { return context.Application.SessionStaticObjects.Clone(); } internal static SessionStateStoreData CreateLegitStoreData(HttpContext context, ISessionStateItemCollection sessionItems, HttpStaticObjectsCollection staticObjects, int timeout) { if (sessionItems == null) { sessionItems = new SessionStateItemCollection(); } if (staticObjects == null && context != null) { staticObjects = SessionStateUtility.GetSessionStaticObjects(context); } return new SessionStateStoreData(sessionItems, staticObjects, timeout); } // This method will take an item and serialize it internal static void Serialize(SessionStateStoreData item, Stream stream) { bool hasItems = true; bool hasStaticObjects = true; BinaryWriter writer = new BinaryWriter(stream); writer.Write(item.Timeout); if (item.Items == null || item.Items.Count == 0) { hasItems = false; } writer.Write(hasItems); if (item.StaticObjects == null || item.StaticObjects.NeverAccessed) { hasStaticObjects = false; } writer.Write(hasStaticObjects); if (hasItems) { ((SessionStateItemCollection)item.Items).Serialize(writer); } if (hasStaticObjects) { item.StaticObjects.Serialize(writer); } // Prevent truncation of the stream writer.Write(unchecked((byte)0xff)); } // This will deserialize and return an item. // This version uses the default classes for SessionStateItemCollection, HttpStaticObjectsCollection // and SessionStateStoreData internal static SessionStateStoreData Deserialize(HttpContext context, Stream stream) { int timeout; SessionStateItemCollection sessionItems; bool hasItems; bool hasStaticObjects; HttpStaticObjectsCollection staticObjects; Byte eof; Debug.Assert(context != null); try { BinaryReader reader = new BinaryReader(stream); timeout = reader.ReadInt32(); hasItems = reader.ReadBoolean(); hasStaticObjects = reader.ReadBoolean(); if (hasItems) { sessionItems = SessionStateItemCollection.Deserialize(reader); } else { sessionItems = new SessionStateItemCollection(); } if (hasStaticObjects) { staticObjects = HttpStaticObjectsCollection.Deserialize(reader); } else { staticObjects = SessionStateUtility.GetSessionStaticObjects(context); } eof = reader.ReadByte(); if (eof != 0xff) { throw new HttpException(SR.GetString(SR.Invalid_session_state)); } } catch (EndOfStreamException) { throw new HttpException(SR.GetString(SR.Invalid_session_state)); } return new SessionStateStoreData(sessionItems, staticObjects, timeout); } static internal void SerializeStoreData(SessionStateStoreData item, int initialStreamSize, out byte[] buf, out int length) { MemoryStream s = null; try { s = new MemoryStream(initialStreamSize); SessionStateUtility.Serialize(item, s); buf = s.GetBuffer(); length = (int) s.Length; } finally { if (s != null) { s.Close(); } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.[To be supplied.] ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- DataGridViewLinkColumn.cs
- CustomAttributeFormatException.cs
- ObjectListFieldsPage.cs
- SecurityTokenValidationException.cs
- StaticExtension.cs
- SafeNativeMethods.cs
- EventSetter.cs
- RecipientInfo.cs
- FixedSOMTable.cs
- TypeResolver.cs
- UnsafeNativeMethods.cs
- ZipIOEndOfCentralDirectoryBlock.cs
- SmiEventSink_DeferedProcessing.cs
- ColumnClickEvent.cs
- KnownTypes.cs
- CustomAttributeBuilder.cs
- InstanceNotReadyException.cs
- MailHeaderInfo.cs
- EmptyEnumerator.cs
- OperationAbortedException.cs
- MaskedTextBoxDesigner.cs
- LocatorPart.cs
- ping.cs
- TimeSpanStorage.cs
- MailHeaderInfo.cs
- HiddenField.cs
- BamlLocalizationDictionary.cs
- ClickablePoint.cs
- xdrvalidator.cs
- bindurihelper.cs
- OleDbStruct.cs
- BitConverter.cs
- WpfKnownType.cs
- X509CertificateClaimSet.cs
- MarkupObject.cs
- TableLayoutSettings.cs
- InputLanguageCollection.cs
- SemanticBasicElement.cs
- MinMaxParagraphWidth.cs
- ListViewDeleteEventArgs.cs
- SrgsText.cs
- ClientOptions.cs
- SignerInfo.cs
- XmlDomTextWriter.cs
- InkCanvasSelection.cs
- StaticSiteMapProvider.cs
- WebPartChrome.cs
- LogicalChannel.cs
- WarningException.cs
- PeerNameRecord.cs
- DataGridViewSelectedRowCollection.cs
- ServicesUtilities.cs
- DataGridViewButtonColumn.cs
- PasswordDeriveBytes.cs
- HtmlInputCheckBox.cs
- DebugController.cs
- AssemblyNameUtility.cs
- SendActivityEventArgs.cs
- CriticalExceptions.cs
- ImportContext.cs
- OpenTypeCommon.cs
- ExtensibleClassFactory.cs
- CompiledXpathExpr.cs
- HtmlEmptyTagControlBuilder.cs
- EdgeProfileValidation.cs
- PtsPage.cs
- TrustLevel.cs
- CellParagraph.cs
- FrameworkElement.cs
- RefreshPropertiesAttribute.cs
- SimpleRecyclingCache.cs
- Process.cs
- Scalars.cs
- ComponentEvent.cs
- WebUtil.cs
- AssemblyContextControlItem.cs
- MemoryFailPoint.cs
- HttpConfigurationSystem.cs
- MouseBinding.cs
- NestPullup.cs
- TargetConverter.cs
- BaseTemplatedMobileComponentEditor.cs
- HuffmanTree.cs
- ObjectList.cs
- XDRSchema.cs
- SudsCommon.cs
- Cell.cs
- PrimitiveXmlSerializers.cs
- Symbol.cs
- GatewayIPAddressInformationCollection.cs
- Internal.cs
- PathGradientBrush.cs
- ServiceHost.cs
- WindowsHyperlink.cs
- List.cs
- DictionaryBase.cs
- EncoderNLS.cs
- StorageEntitySetMapping.cs
- FileDialog_Vista_Interop.cs
- MetadataSerializer.cs