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
- SafeRegistryHandle.cs
- KeyGestureValueSerializer.cs
- __ComObject.cs
- FormsAuthenticationModule.cs
- PerformanceCounterLib.cs
- OleDbDataAdapter.cs
- CheckBoxField.cs
- FreeFormDesigner.cs
- PathFigureCollection.cs
- PageSettings.cs
- Point.cs
- TypeConverterHelper.cs
- XmlValidatingReader.cs
- Margins.cs
- CalendarKeyboardHelper.cs
- SqlUserDefinedAggregateAttribute.cs
- listitem.cs
- HtmlShimManager.cs
- translator.cs
- DataSourceControlBuilder.cs
- _Events.cs
- SqlSelectStatement.cs
- CollectionBase.cs
- TableRowCollection.cs
- SafeMemoryMappedFileHandle.cs
- XmlPropertyBag.cs
- ExternalCalls.cs
- ResourceDescriptionAttribute.cs
- TextElementEnumerator.cs
- UnitControl.cs
- TextChangedEventArgs.cs
- ZoneLinkButton.cs
- XmlToDatasetMap.cs
- Rotation3DKeyFrameCollection.cs
- AppDomainManager.cs
- FilteredDataSetHelper.cs
- SafeRightsManagementEnvironmentHandle.cs
- LogicalExpr.cs
- InputLanguageManager.cs
- ResourceDescriptionAttribute.cs
- SettingsSavedEventArgs.cs
- SafeRegistryKey.cs
- HostingEnvironmentException.cs
- TagPrefixAttribute.cs
- WebPartDeleteVerb.cs
- BuildResult.cs
- PeekCompletedEventArgs.cs
- KerberosTokenFactoryCredential.cs
- TemplateApplicationHelper.cs
- FastPropertyAccessor.cs
- MenuItemCollection.cs
- ViewBox.cs
- login.cs
- MouseGestureConverter.cs
- EntityModelSchemaGenerator.cs
- FilteredAttributeCollection.cs
- XmlILStorageConverter.cs
- CodeDelegateInvokeExpression.cs
- CodeParameterDeclarationExpression.cs
- DebuggerService.cs
- SupportsEventValidationAttribute.cs
- SoapAttributeOverrides.cs
- ApplicationActivator.cs
- StackBuilderSink.cs
- MsmqIntegrationInputMessage.cs
- WebServiceEnumData.cs
- SystemKeyConverter.cs
- SqlError.cs
- WinEventTracker.cs
- HMACSHA384.cs
- SqlBooleanizer.cs
- RestHandlerFactory.cs
- RectAnimation.cs
- HtmlImage.cs
- MouseEvent.cs
- BidPrivateBase.cs
- CodeMemberEvent.cs
- KeyedHashAlgorithm.cs
- SurrogateEncoder.cs
- DmlSqlGenerator.cs
- MetadataPropertyAttribute.cs
- SqlTriggerAttribute.cs
- SqlBulkCopyColumnMappingCollection.cs
- RuleAttributes.cs
- DesignBindingPropertyDescriptor.cs
- UrlPath.cs
- ServiceCredentialsElement.cs
- InputLangChangeRequestEvent.cs
- InvalidAsynchronousStateException.cs
- ScriptingRoleServiceSection.cs
- CompositeDuplexBindingElement.cs
- SafeTimerHandle.cs
- HandlerWithFactory.cs
- WindowsHyperlink.cs
- SortDescriptionCollection.cs
- TraceFilter.cs
- WorkflowServiceBuildProvider.cs
- OrderedEnumerableRowCollection.cs
- FusionWrap.cs
- SerialPort.cs