Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Net / System / Net / NetworkInformation / SystemUnicastIPAddressInformation.cs / 1 / SystemUnicastIPAddressInformation.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 unicast addresses for an interface. ///OS < XP ////// internal class SystemUnicastIPAddressInformation:UnicastIPAddressInformation { private IpAdapterUnicastAddress adapterAddress; private long dhcpLeaseLifetime; private SystemIPAddressInformation innerInfo; internal IPAddress ipv4Mask; private SystemUnicastIPAddressInformation() { } internal SystemUnicastIPAddressInformation(IpAdapterInfo ipAdapterInfo, IPExtendedAddress address){ innerInfo = new SystemIPAddressInformation(address.address); DateTime tempdate = new DateTime(1970,1,1); tempdate = tempdate.AddSeconds(ipAdapterInfo.leaseExpires); dhcpLeaseLifetime = (long)((tempdate - DateTime.UtcNow).TotalSeconds); ipv4Mask = address.mask; } internal SystemUnicastIPAddressInformation(IpAdapterUnicastAddress adapterAddress, IPAddress ipAddress){ innerInfo = new SystemIPAddressInformation(adapterAddress,ipAddress); this.adapterAddress = adapterAddress; dhcpLeaseLifetime = adapterAddress.leaseLifetime; } ///public override IPAddress Address{get {return innerInfo.Address;}} public override IPAddress IPv4Mask{ get { if(Address.AddressFamily != AddressFamily.InterNetwork){ return new IPAddress(0); } return ipv4Mask; } } /// /// 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 adapterAddress.prefixOrigin; } } /// public override SuffixOrigin SuffixOrigin{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return adapterAddress.suffixOrigin; } } /// /// 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 adapterAddress.dadState; } } ////// 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 adapterAddress.validLifetime; } } ////// 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 adapterAddress.preferredLifetime; } } ////// /// Specifies the prefered lifetime of the address in seconds. public override long DhcpLeaseLifetime{ get { return dhcpLeaseLifetime; } } //helper method that marshals the addressinformation into the classes internal static UnicastIPAddressInformationCollection ToAddressInformationCollection(IntPtr ptr) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. UnicastIPAddressInformationCollection addressList = new UnicastIPAddressInformationCollection(); //if there is no address, just return; if (ptr == IntPtr.Zero) return addressList; //get the first address IpAdapterUnicastAddress addr = (IpAdapterUnicastAddress)Marshal.PtrToStructure(ptr,typeof(IpAdapterUnicastAddress)); //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 SystemUnicastIPAddressInformation(addr,ep.Address)); //repeat for all of the addresses while ( addr.next != IntPtr.Zero ) { addr = (IpAdapterUnicastAddress)Marshal.PtrToStructure(addr.next,typeof(IpAdapterUnicastAddress)); //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 SystemUnicastIPAddressInformation(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 unicast addresses for an interface. ///OS < XP ////// internal class SystemUnicastIPAddressInformation:UnicastIPAddressInformation { private IpAdapterUnicastAddress adapterAddress; private long dhcpLeaseLifetime; private SystemIPAddressInformation innerInfo; internal IPAddress ipv4Mask; private SystemUnicastIPAddressInformation() { } internal SystemUnicastIPAddressInformation(IpAdapterInfo ipAdapterInfo, IPExtendedAddress address){ innerInfo = new SystemIPAddressInformation(address.address); DateTime tempdate = new DateTime(1970,1,1); tempdate = tempdate.AddSeconds(ipAdapterInfo.leaseExpires); dhcpLeaseLifetime = (long)((tempdate - DateTime.UtcNow).TotalSeconds); ipv4Mask = address.mask; } internal SystemUnicastIPAddressInformation(IpAdapterUnicastAddress adapterAddress, IPAddress ipAddress){ innerInfo = new SystemIPAddressInformation(adapterAddress,ipAddress); this.adapterAddress = adapterAddress; dhcpLeaseLifetime = adapterAddress.leaseLifetime; } ///public override IPAddress Address{get {return innerInfo.Address;}} public override IPAddress IPv4Mask{ get { if(Address.AddressFamily != AddressFamily.InterNetwork){ return new IPAddress(0); } return ipv4Mask; } } /// /// 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 adapterAddress.prefixOrigin; } } /// public override SuffixOrigin SuffixOrigin{ get { if (! ComNetOS.IsPostWin2K) throw new PlatformNotSupportedException(SR.GetString(SR.WinXPRequired)); return adapterAddress.suffixOrigin; } } /// /// 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 adapterAddress.dadState; } } ////// 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 adapterAddress.validLifetime; } } ////// 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 adapterAddress.preferredLifetime; } } ////// /// Specifies the prefered lifetime of the address in seconds. public override long DhcpLeaseLifetime{ get { return dhcpLeaseLifetime; } } //helper method that marshals the addressinformation into the classes internal static UnicastIPAddressInformationCollection ToAddressInformationCollection(IntPtr ptr) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. UnicastIPAddressInformationCollection addressList = new UnicastIPAddressInformationCollection(); //if there is no address, just return; if (ptr == IntPtr.Zero) return addressList; //get the first address IpAdapterUnicastAddress addr = (IpAdapterUnicastAddress)Marshal.PtrToStructure(ptr,typeof(IpAdapterUnicastAddress)); //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 SystemUnicastIPAddressInformation(addr,ep.Address)); //repeat for all of the addresses while ( addr.next != IntPtr.Zero ) { addr = (IpAdapterUnicastAddress)Marshal.PtrToStructure(addr.next,typeof(IpAdapterUnicastAddress)); //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 SystemUnicastIPAddressInformation(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
- UrlMapping.cs
- BitmapMetadataEnumerator.cs
- WindowManager.cs
- DiscoveryReference.cs
- WindowsGraphics2.cs
- MailSettingsSection.cs
- CharKeyFrameCollection.cs
- AssociationTypeEmitter.cs
- DataSourceIDConverter.cs
- Timer.cs
- ColorBlend.cs
- Stylesheet.cs
- SubclassTypeValidator.cs
- _ProxyRegBlob.cs
- HeaderUtility.cs
- AutomationAttributeInfo.cs
- MenuItem.cs
- WindowsListViewItemCheckBox.cs
- UnsafeNativeMethods.cs
- UIElementParaClient.cs
- QilPatternVisitor.cs
- Compiler.cs
- HttpRuntime.cs
- bindurihelper.cs
- ConstantExpression.cs
- MimeTypeAttribute.cs
- InkCanvasSelection.cs
- AstTree.cs
- PeerContact.cs
- IPipelineRuntime.cs
- RectangleHotSpot.cs
- ShapeTypeface.cs
- CheckStoreFileValidityRequest.cs
- AssemblyNameProxy.cs
- GeneratedCodeAttribute.cs
- BamlVersionHeader.cs
- BamlLocalizableResource.cs
- XhtmlTextWriter.cs
- WebPartEditorOkVerb.cs
- SqlTopReducer.cs
- OdbcInfoMessageEvent.cs
- LinqDataSourceValidationException.cs
- ImportCatalogPart.cs
- XmlJsonWriter.cs
- BaseCodeDomTreeGenerator.cs
- Int32KeyFrameCollection.cs
- DesignerCommandSet.cs
- WebPartConnectionsCloseVerb.cs
- FormClosingEvent.cs
- httpapplicationstate.cs
- ControlDesigner.cs
- Set.cs
- SafeUserTokenHandle.cs
- ControlAdapter.cs
- SessionSwitchEventArgs.cs
- WorkflowServiceAttributes.cs
- ComplexPropertyEntry.cs
- Evidence.cs
- X509CertificateStore.cs
- WebEventTraceProvider.cs
- FontWeightConverter.cs
- PersonalizationAdministration.cs
- ToggleButtonAutomationPeer.cs
- OleDbMetaDataFactory.cs
- DataObject.cs
- MsmqIntegrationAppDomainProtocolHandler.cs
- XmlSchemaComplexContent.cs
- BaseAddressElementCollection.cs
- Vector3DAnimationUsingKeyFrames.cs
- ExpandCollapseProviderWrapper.cs
- TreeNodeClickEventArgs.cs
- GenericAuthenticationEventArgs.cs
- WorkflowViewStateService.cs
- ReferentialConstraint.cs
- SafeFileMapViewHandle.cs
- _Semaphore.cs
- TimeStampChecker.cs
- InternalCache.cs
- PropertyChangedEventManager.cs
- PageRanges.cs
- ResourceAssociationTypeEnd.cs
- FontCacheUtil.cs
- CodeConditionStatement.cs
- CannotUnloadAppDomainException.cs
- XmlComment.cs
- Filter.cs
- SortDescriptionCollection.cs
- MenuScrollingVisibilityConverter.cs
- LinkDesigner.cs
- OutputCacheSettings.cs
- EndOfStreamException.cs
- ClientData.cs
- LayoutUtils.cs
- ZipIOCentralDirectoryFileHeader.cs
- ObfuscateAssemblyAttribute.cs
- WinCategoryAttribute.cs
- Int32Storage.cs
- SchemaCollectionPreprocessor.cs
- webproxy.cs
- PassportAuthentication.cs