Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Net / System / Net / NetworkInformation / SystemMulticastIPAddressInformation.cs / 1 / SystemMulticastIPAddressInformation.cs
////// namespace System.Net.NetworkInformation { using System.Net; using System.Net.Sockets; using System; using System.Runtime.InteropServices; using System.Collections; using System.ComponentModel; using System.Security.Permissions; using Microsoft.Win32; /// /// Provides support for ip configuation information and statistics. /// /// Specifies the Multicast addresses for an interface. ///OS < XP ////// internal class SystemMulticastIPAddressInformation:MulticastIPAddressInformation { private IpAdapterAddress adapterAddress; private SystemIPAddressInformation innerInfo; private SystemMulticastIPAddressInformation() { } /* // Consider removing. internal SystemMulticastIPAddressInformation(IpAdapterInfo ipAdapterInfo, IPAddress address){ innerInfo = new SystemIPAddressInformation(address); DateTime tempdate = new DateTime(1970,1,1); tempdate = tempdate.AddSeconds(ipAdapterInfo.leaseExpires); dhcpLeaseLifetime = (long)((tempdate - DateTime.UtcNow).TotalSeconds); } */ internal SystemMulticastIPAddressInformation(IpAdapterAddress adapterAddress, IPAddress ipAddress){ innerInfo = new SystemIPAddressInformation(adapterAddress,ipAddress); this.adapterAddress = adapterAddress; } ///public override IPAddress Address{get {return innerInfo.Address;}} /// /// The address is a cluster address and shouldn't be used by most applications. public override bool IsTransient{ get { return (innerInfo.IsTransient); } } ////// This address can be used for DNS. public override bool IsDnsEligible{ get { return (innerInfo.IsDnsEligible); } } ///public override PrefixOrigin PrefixOrigin{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return PrefixOrigin.Other; } } /// public override SuffixOrigin SuffixOrigin{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return SuffixOrigin.Other; } } /// /// IPv6 only. Specifies the duplicate address detection state. Only supported /// for IPv6. If called on an IPv4 address, will throw a "not supported" exception. public override DuplicateAddressDetectionState DuplicateAddressDetectionState{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return DuplicateAddressDetectionState.Invalid; } } ////// Specifies the valid lifetime of the address in seconds. public override long AddressValidLifetime{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return 0; } } ////// Specifies the prefered lifetime of the address in seconds. public override long AddressPreferredLifetime{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return 0; } } ////// /// Specifies the prefered lifetime of the address in seconds. public override long DhcpLeaseLifetime{ get { return 0; } } //helper method that marshals the addressinformation into the classes internal static MulticastIPAddressInformationCollection ToAddressInformationCollection(IntPtr ptr) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. MulticastIPAddressInformationCollection addressList = new MulticastIPAddressInformationCollection(); //if there is no address, just return; if (ptr == IntPtr.Zero) return addressList; //get the first address IpAdapterAddress addr = (IpAdapterAddress)Marshal.PtrToStructure(ptr,typeof(IpAdapterAddress)); //determine the address family used to create the IPAddress AddressFamily family = (addr.address.addressLength > 16)?AddressFamily.InterNetworkV6:AddressFamily.InterNetwork; SocketAddress sockAddress = new SocketAddress(family,(int)addr.address.addressLength); Marshal.Copy(addr.address.address,sockAddress.m_Buffer,0,addr.address.addressLength); //unfortunately, the only way to currently create an ipaddress is through IPEndPoint IPEndPoint ep; if (family == AddressFamily.InterNetwork ) ep = (IPEndPoint)IPEndPoint.Any.Create(sockAddress); else ep = (IPEndPoint)IPEndPoint.IPv6Any.Create(sockAddress); //add the ipaddress to the arraylist addressList.InternalAdd(new SystemMulticastIPAddressInformation(addr,ep.Address)); //repeat for all of the addresses while ( addr.next != IntPtr.Zero ) { addr = (IpAdapterAddress)Marshal.PtrToStructure(addr.next,typeof(IpAdapterAddress)); //determine the address family used to create the IPAddress family = (addr.address.addressLength > 16)?AddressFamily.InterNetworkV6:AddressFamily.InterNetwork; sockAddress = new SocketAddress(family,(int)addr.address.addressLength); Marshal.Copy(addr.address.address,sockAddress.m_Buffer,0,addr.address.addressLength); //use the endpoint to create the ipaddress if (family == AddressFamily.InterNetwork ) ep = (IPEndPoint)IPEndPoint.Any.Create(sockAddress); else ep = (IPEndPoint)IPEndPoint.IPv6Any.Create(sockAddress); addressList.InternalAdd(new SystemMulticastIPAddressInformation(addr,ep.Address)); } return addressList; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. ////// namespace System.Net.NetworkInformation { using System.Net; using System.Net.Sockets; using System; using System.Runtime.InteropServices; using System.Collections; using System.ComponentModel; using System.Security.Permissions; using Microsoft.Win32; /// /// Provides support for ip configuation information and statistics. /// /// Specifies the Multicast addresses for an interface. ///OS < XP ////// internal class SystemMulticastIPAddressInformation:MulticastIPAddressInformation { private IpAdapterAddress adapterAddress; private SystemIPAddressInformation innerInfo; private SystemMulticastIPAddressInformation() { } /* // Consider removing. internal SystemMulticastIPAddressInformation(IpAdapterInfo ipAdapterInfo, IPAddress address){ innerInfo = new SystemIPAddressInformation(address); DateTime tempdate = new DateTime(1970,1,1); tempdate = tempdate.AddSeconds(ipAdapterInfo.leaseExpires); dhcpLeaseLifetime = (long)((tempdate - DateTime.UtcNow).TotalSeconds); } */ internal SystemMulticastIPAddressInformation(IpAdapterAddress adapterAddress, IPAddress ipAddress){ innerInfo = new SystemIPAddressInformation(adapterAddress,ipAddress); this.adapterAddress = adapterAddress; } ///public override IPAddress Address{get {return innerInfo.Address;}} /// /// The address is a cluster address and shouldn't be used by most applications. public override bool IsTransient{ get { return (innerInfo.IsTransient); } } ////// This address can be used for DNS. public override bool IsDnsEligible{ get { return (innerInfo.IsDnsEligible); } } ///public override PrefixOrigin PrefixOrigin{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return PrefixOrigin.Other; } } /// public override SuffixOrigin SuffixOrigin{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return SuffixOrigin.Other; } } /// /// IPv6 only. Specifies the duplicate address detection state. Only supported /// for IPv6. If called on an IPv4 address, will throw a "not supported" exception. public override DuplicateAddressDetectionState DuplicateAddressDetectionState{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return DuplicateAddressDetectionState.Invalid; } } ////// Specifies the valid lifetime of the address in seconds. public override long AddressValidLifetime{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return 0; } } ////// Specifies the prefered lifetime of the address in seconds. public override long AddressPreferredLifetime{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return 0; } } ////// /// Specifies the prefered lifetime of the address in seconds. public override long DhcpLeaseLifetime{ get { return 0; } } //helper method that marshals the addressinformation into the classes internal static MulticastIPAddressInformationCollection ToAddressInformationCollection(IntPtr ptr) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. MulticastIPAddressInformationCollection addressList = new MulticastIPAddressInformationCollection(); //if there is no address, just return; if (ptr == IntPtr.Zero) return addressList; //get the first address IpAdapterAddress addr = (IpAdapterAddress)Marshal.PtrToStructure(ptr,typeof(IpAdapterAddress)); //determine the address family used to create the IPAddress AddressFamily family = (addr.address.addressLength > 16)?AddressFamily.InterNetworkV6:AddressFamily.InterNetwork; SocketAddress sockAddress = new SocketAddress(family,(int)addr.address.addressLength); Marshal.Copy(addr.address.address,sockAddress.m_Buffer,0,addr.address.addressLength); //unfortunately, the only way to currently create an ipaddress is through IPEndPoint IPEndPoint ep; if (family == AddressFamily.InterNetwork ) ep = (IPEndPoint)IPEndPoint.Any.Create(sockAddress); else ep = (IPEndPoint)IPEndPoint.IPv6Any.Create(sockAddress); //add the ipaddress to the arraylist addressList.InternalAdd(new SystemMulticastIPAddressInformation(addr,ep.Address)); //repeat for all of the addresses while ( addr.next != IntPtr.Zero ) { addr = (IpAdapterAddress)Marshal.PtrToStructure(addr.next,typeof(IpAdapterAddress)); //determine the address family used to create the IPAddress family = (addr.address.addressLength > 16)?AddressFamily.InterNetworkV6:AddressFamily.InterNetwork; sockAddress = new SocketAddress(family,(int)addr.address.addressLength); Marshal.Copy(addr.address.address,sockAddress.m_Buffer,0,addr.address.addressLength); //use the endpoint to create the ipaddress if (family == AddressFamily.InterNetwork ) ep = (IPEndPoint)IPEndPoint.Any.Create(sockAddress); else ep = (IPEndPoint)IPEndPoint.IPv6Any.Create(sockAddress); addressList.InternalAdd(new SystemMulticastIPAddressInformation(addr,ep.Address)); } return addressList; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RegexWriter.cs
- AggregateException.cs
- CollectionContainer.cs
- ValidationEventArgs.cs
- FtpRequestCacheValidator.cs
- SHA256Managed.cs
- XmlSchemaComplexType.cs
- XmlSchemaCompilationSettings.cs
- IntSecurity.cs
- StrokeNodeEnumerator.cs
- XmlSecureResolver.cs
- DataTableReaderListener.cs
- AssemblyInfo.cs
- DynamicRouteExpression.cs
- MimeObjectFactory.cs
- DataTableNameHandler.cs
- ScriptingRoleServiceSection.cs
- ProfileSection.cs
- ColumnPropertiesGroup.cs
- CryptographicAttribute.cs
- TextViewSelectionProcessor.cs
- DiscoveryProxy.cs
- Registry.cs
- XmlNodeList.cs
- WindowsTitleBar.cs
- QueryableDataSourceHelper.cs
- DataShape.cs
- DataGridViewCellCollection.cs
- ProtectedUri.cs
- ComboBoxRenderer.cs
- DNS.cs
- AttributeCollection.cs
- MimeMultiPart.cs
- SqlMethods.cs
- Int32EqualityComparer.cs
- PrimitiveSchema.cs
- SqlBooleanizer.cs
- KnownTypesHelper.cs
- PnrpPermission.cs
- ToolStripContainer.cs
- StringConverter.cs
- VisualStyleTypesAndProperties.cs
- DbParameterCollectionHelper.cs
- CodeTypeOfExpression.cs
- HitTestFilterBehavior.cs
- DecryptedHeader.cs
- BaseDataBoundControl.cs
- ValueType.cs
- DataGridViewColumnDividerDoubleClickEventArgs.cs
- PageContent.cs
- Switch.cs
- WebEvents.cs
- FlowLayout.cs
- FileIOPermission.cs
- SetterBaseCollection.cs
- NavigationProperty.cs
- InkCanvasFeedbackAdorner.cs
- ProxyGenerator.cs
- KeyBinding.cs
- ConfigurationSettings.cs
- EnvelopedPkcs7.cs
- StateManagedCollection.cs
- SortDescriptionCollection.cs
- Triangle.cs
- DropShadowEffect.cs
- ListViewItemSelectionChangedEvent.cs
- HtmlImage.cs
- OutputCache.cs
- ColorInterpolationModeValidation.cs
- util.cs
- IPCCacheManager.cs
- MDIControlStrip.cs
- DiagnosticEventProvider.cs
- DataRecord.cs
- HyperLinkField.cs
- SpellerInterop.cs
- ReadOnlyAttribute.cs
- XmlChoiceIdentifierAttribute.cs
- CodeArrayIndexerExpression.cs
- PathSegmentCollection.cs
- UnhandledExceptionEventArgs.cs
- ServiceDescriptionSerializer.cs
- RoutedEventValueSerializer.cs
- AlternateView.cs
- InstanceCompleteException.cs
- IriParsingElement.cs
- CategoryAttribute.cs
- DispatcherProcessingDisabled.cs
- ReaderOutput.cs
- XmlReflectionMember.cs
- _DisconnectOverlappedAsyncResult.cs
- PersonalizablePropertyEntry.cs
- XmlNodeComparer.cs
- FrameworkRichTextComposition.cs
- DSASignatureDeformatter.cs
- WebConfigurationFileMap.cs
- ValidatedControlConverter.cs
- DrawingGroup.cs
- SmtpNtlmAuthenticationModule.cs
- DashStyle.cs