Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / ManagedLibraries / Remoting / Channels / CORE / BaseTransportHeaders.cs / 1305376 / BaseTransportHeaders.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //========================================================================== // File: BaseTransportHeaders.cs // // Summary: Base class for special-cased transport headers implementations. // //========================================================================= using System; using System.Collections; using System.Globalization; using System.Net; namespace System.Runtime.Remoting.Channels { [Serializable] internal class BaseTransportHeaders : ITransportHeaders { // IMPORTANT: If a new wellknown header is added, MapHeaderNameToIndex, // GetValueFromHeaderIndex, and SetValueFromHeaderIndex methods must // be updated (as well as WellknownHeaderCount)!!! internal const int WellknownHeaderCount = 4; private Object _connectionId; // 0) CommonTransportKeys.ConnectionId private Object _ipAddress; // 1) CommonTransportKeys.IPAddress private String _requestUri; // 2) CommonTransportKeys.RequestUri private String _contentType; // 3) "Content-Type" // transport headers structure is for non well-known headers private ITransportHeaders _otherHeaders; public BaseTransportHeaders() { _otherHeaders = null; } public String RequestUri { get { return _requestUri; } set { _requestUri = value; } } // RequestUri public String ContentType { get { return _contentType; } set { _contentType = value; } } // ContentType public Object ConnectionId { set { _connectionId = value; } } public IPAddress IPAddress { set { _ipAddress = value; } } // // ITransportHeaders implementation // public Object this[Object key] { get { String strKey = key as String; if (strKey != null) { int index = MapHeaderNameToIndex(strKey); if (index != -1) return GetValueFromHeaderIndex(index); } if (_otherHeaders != null) return _otherHeaders[key]; return null; } // get set { bool bSet = false; String strKey = key as String; if (strKey != null) { int index = MapHeaderNameToIndex(strKey); if (index != -1) { SetValueFromHeaderIndex(index, value); bSet = true; } } if (!bSet) { if (_otherHeaders == null) _otherHeaders = new TransportHeaders(); _otherHeaders[key] = value; } } // set } // Object this[Object key] public IEnumerator GetEnumerator() { return new BaseTransportHeadersEnumerator(this); } // GetEnumerator internal IEnumerator GetOtherHeadersEnumerator() { if (_otherHeaders == null) return null; return _otherHeaders.GetEnumerator(); } // GetOtherHeadersEnumerator internal int MapHeaderNameToIndex(String headerName) { // 0) CommonTransportKeys.ConnectionId // 1) CommonTransportKeys.IPAddress // 2) CommonTransportKeys.RequestUri // 3) "Content-Type" if (String.Compare(headerName, CommonTransportKeys.ConnectionId, StringComparison.OrdinalIgnoreCase) == 0) return 0; else if (String.Compare(headerName, CommonTransportKeys.IPAddress, StringComparison.OrdinalIgnoreCase) == 0) return 1; else if (String.Compare(headerName, CommonTransportKeys.RequestUri, StringComparison.OrdinalIgnoreCase) == 0) return 2; else if (String.Compare(headerName, "Content-Type", StringComparison.OrdinalIgnoreCase) == 0) return 3; return -1; } // MapHeaderNameToIndex internal String MapHeaderIndexToName(int index) { // 0) CommonTransportKeys.ConnectionId // 1) CommonTransportKeys.IPAddress // 2) CommonTransportKeys.RequestUri // 3) "Content-Type" switch (index) { case 0: return CommonTransportKeys.ConnectionId; case 1: return CommonTransportKeys.IPAddress; case 2: return CommonTransportKeys.RequestUri; case 3: return "Content-Type"; default: return null; } } // MapHeaderNameToIndex internal Object GetValueFromHeaderIndex(int index) { // NOTE: If this method returns the null, then that indicates the header has no // value (i.e. isn't in the "dictionary"). For the purposes of iteration, this // means that the header should be skipped. // 0) CommonTransportKeys.ConnectionId // 1) CommonTransportKeys.IPAddress // 2) CommonTransportKeys.RequestUri // 3) "Content-Type" switch (index) { case 0: return _connectionId; case 1: return _ipAddress; case 2: return _requestUri; case 3: return _contentType; default: return null; } } // MapHeaderIndexToValue internal void SetValueFromHeaderIndex(int index, Object value) { // NOTE: If this method returns the null, then that indicates the header has no // value (i.e. isn't in the "dictionary"). For the purposes of iteration, this // means that the header should be skipped. // 0) CommonTransportKeys.ConnectionId // 1) CommonTransportKeys.IPAddress // 2) CommonTransportKeys.RequestUri // 3) "Content-Type" switch (index) { case 0: _connectionId = value; break; case 1: _ipAddress = value; break; case 2: _requestUri = (String)value; break; case 3: _contentType = (String)value; break; default: { InternalRemotingServices.RemotingAssert(false, "someone forgot to update this method"); break; } } // switch (index) } // MapHeaderIndexToValue } // class BaseTransportHeaders internal class BaseTransportHeadersEnumerator : IEnumerator { private BaseTransportHeaders _headers; private bool _bStarted; private int _currentIndex; private IEnumerator _otherHeadersEnumerator; public BaseTransportHeadersEnumerator(BaseTransportHeaders headers) { _headers = headers; Reset(); } // BaseTransportHeadersEnumerator public bool MoveNext() { if (_currentIndex != -1) { if (_bStarted) _currentIndex++; else _bStarted = true; while (_currentIndex != -1) { if (_currentIndex >= BaseTransportHeaders.WellknownHeaderCount) { _otherHeadersEnumerator = _headers.GetOtherHeadersEnumerator(); _currentIndex = -1; } else { if (_headers.GetValueFromHeaderIndex(_currentIndex) != null) return true; _currentIndex++; } } } if (_otherHeadersEnumerator != null) { if (!_otherHeadersEnumerator.MoveNext()) { _otherHeadersEnumerator = null; return false; } else return true; } return false; } // MoveNext public void Reset() { _bStarted = false; _currentIndex = 0; _otherHeadersEnumerator = null; } // Reset public Object Current { get { if (!_bStarted) return null; if (_currentIndex != -1) { return new DictionaryEntry( _headers.MapHeaderIndexToName(_currentIndex), _headers.GetValueFromHeaderIndex(_currentIndex)); } if (_otherHeadersEnumerator != null) { return _otherHeadersEnumerator.Current; } return null; } } // Current } // class BaseTransportHeadersEnumerator } // namespace System.Runtime.Remoting.Channels // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- HtmlControlPersistable.cs
- ClientSettingsProvider.cs
- _FtpControlStream.cs
- HandlerWithFactory.cs
- ErrorWrapper.cs
- Win32.cs
- SymmetricKey.cs
- LongMinMaxAggregationOperator.cs
- ReadOnlyState.cs
- WindowsPen.cs
- XDRSchema.cs
- Int32Collection.cs
- XmlAnyAttributeAttribute.cs
- OrCondition.cs
- Baml2006ReaderContext.cs
- WSSecurityXXX2005.cs
- PropertyDescriptorCollection.cs
- Win32Native.cs
- Matrix3D.cs
- NewArrayExpression.cs
- UpdateException.cs
- Regex.cs
- CqlWriter.cs
- LockedActivityGlyph.cs
- DisplayNameAttribute.cs
- SpeechUI.cs
- Speller.cs
- EventData.cs
- FileUtil.cs
- EdmRelationshipRoleAttribute.cs
- __ConsoleStream.cs
- Pair.cs
- ThicknessConverter.cs
- RadioButtonPopupAdapter.cs
- TransformDescriptor.cs
- ThreadStaticAttribute.cs
- StateManagedCollection.cs
- PersonalizationStateInfoCollection.cs
- ChildrenQuery.cs
- GroupBoxAutomationPeer.cs
- SqlGenericUtil.cs
- DataGridViewAccessibleObject.cs
- PointUtil.cs
- Currency.cs
- PlatformCulture.cs
- ToolbarAUtomationPeer.cs
- EraserBehavior.cs
- SafeFileMappingHandle.cs
- SpeechAudioFormatInfo.cs
- AutomationElement.cs
- PersonalizationProviderHelper.cs
- RuleInfoComparer.cs
- RequiredFieldValidator.cs
- HelpProvider.cs
- AlphaSortedEnumConverter.cs
- SQLInt16.cs
- DataServiceHostFactory.cs
- SecurityContext.cs
- StringComparer.cs
- InvokeProviderWrapper.cs
- ReferenceSchema.cs
- VirtualDirectoryMapping.cs
- ToolStripArrowRenderEventArgs.cs
- CodeTypeReferenceCollection.cs
- ImageFormat.cs
- ExponentialEase.cs
- PriorityItem.cs
- ConfigurationManager.cs
- DynamicActivityXamlReader.cs
- COM2FontConverter.cs
- EntityDataSourceColumn.cs
- ItemsControlAutomationPeer.cs
- SelectionService.cs
- ElasticEase.cs
- DataGridColumnHeaderItemAutomationPeer.cs
- ElementNotEnabledException.cs
- SqlClientMetaDataCollectionNames.cs
- XmlHierarchyData.cs
- ReadOnlyHierarchicalDataSource.cs
- AppAction.cs
- ComPersistableTypeElement.cs
- CompiledIdentityConstraint.cs
- DataTemplateKey.cs
- XamlReaderHelper.cs
- EntityDesignerUtils.cs
- UnsafeNativeMethods.cs
- AdapterDictionary.cs
- LinqDataSourceUpdateEventArgs.cs
- AccessDataSource.cs
- PublisherMembershipCondition.cs
- NumericUpDownAccelerationCollection.cs
- SapiRecognizer.cs
- FtpWebRequest.cs
- LambdaCompiler.Expressions.cs
- CustomCategoryAttribute.cs
- ObjectStateManager.cs
- SettingsPropertyValueCollection.cs
- DetailsViewPageEventArgs.cs
- SessionViewState.cs
- DataGridViewCellStateChangedEventArgs.cs