Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / 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
- EditorZoneBase.cs
- CompressionTracing.cs
- OutputCacheSettings.cs
- WindowsUserNameSecurityTokenAuthenticator.cs
- TrackingMemoryStreamFactory.cs
- ServiceModelTimeSpanValidator.cs
- AQNBuilder.cs
- DescendantBaseQuery.cs
- AbstractExpressions.cs
- NativeMethodsCLR.cs
- FontSourceCollection.cs
- ToolboxComponentsCreatedEventArgs.cs
- ContextMenuAutomationPeer.cs
- WebServiceEnumData.cs
- PropertyInfoSet.cs
- IdSpace.cs
- CompositeClientFormatter.cs
- OneOfConst.cs
- IteratorFilter.cs
- ClaimTypeRequirement.cs
- ColorIndependentAnimationStorage.cs
- VectorKeyFrameCollection.cs
- DependencyObject.cs
- ServiceDebugElement.cs
- RegexCapture.cs
- DataGridTable.cs
- GenericParameterDataContract.cs
- TileBrush.cs
- MetaForeignKeyColumn.cs
- HtmlContainerControl.cs
- ProfileBuildProvider.cs
- ObjectCloneHelper.cs
- SmtpAuthenticationManager.cs
- MatrixCamera.cs
- ToolStripSplitStackLayout.cs
- BindToObject.cs
- WebPartsSection.cs
- HtmlWindowCollection.cs
- TranslateTransform3D.cs
- SamlAssertion.cs
- DesignTimeValidationFeature.cs
- OutputCacheSettingsSection.cs
- AssociationTypeEmitter.cs
- WebDescriptionAttribute.cs
- OleCmdHelper.cs
- DataGridCommandEventArgs.cs
- TextBlock.cs
- Propagator.JoinPropagator.JoinPredicateVisitor.cs
- RegisteredScript.cs
- DictionaryBase.cs
- ToolTip.cs
- Msec.cs
- DataGridViewRowHeaderCell.cs
- _AutoWebProxyScriptWrapper.cs
- Translator.cs
- PrinterResolution.cs
- XslAstAnalyzer.cs
- MdiWindowListStrip.cs
- OptimizedTemplateContentHelper.cs
- TextModifier.cs
- HostedBindingBehavior.cs
- ClientEndpointLoader.cs
- TextCharacters.cs
- RunWorkerCompletedEventArgs.cs
- PrintEvent.cs
- BasicDesignerLoader.cs
- OleDbReferenceCollection.cs
- ContextMenu.cs
- StrokeNode.cs
- TextPointerBase.cs
- SafeHandle.cs
- SoapAttributes.cs
- RadioButtonPopupAdapter.cs
- XmlProcessingInstruction.cs
- BaseDataBoundControl.cs
- ListMarkerSourceInfo.cs
- HeaderCollection.cs
- ScriptManagerProxy.cs
- Point4DValueSerializer.cs
- DateTimeParse.cs
- ToolStripArrowRenderEventArgs.cs
- LineProperties.cs
- Vector3DKeyFrameCollection.cs
- EmptyReadOnlyDictionaryInternal.cs
- ActivityCodeDomSerializationManager.cs
- CapabilitiesAssignment.cs
- Color.cs
- DataBinder.cs
- ComplexLine.cs
- Container.cs
- WebPartVerbsEventArgs.cs
- EditingCommands.cs
- Frame.cs
- SignedXml.cs
- AccessDataSourceView.cs
- FileUpload.cs
- InternalControlCollection.cs
- RecognizedAudio.cs
- CustomTypeDescriptor.cs
- Stack.cs