Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- oledbmetadatacolumnnames.cs
- AppSettingsSection.cs
- ThicknessAnimationBase.cs
- HMACMD5.cs
- dbdatarecord.cs
- Variable.cs
- Collection.cs
- RankException.cs
- XamlWrapperReaders.cs
- GorillaCodec.cs
- ToolboxComponentsCreatingEventArgs.cs
- ImageFormat.cs
- WinFormsSpinner.cs
- ExtensionElement.cs
- LoggedException.cs
- ConfigurationValue.cs
- ResourceExpressionEditorSheet.cs
- XmlEncoding.cs
- Win32.cs
- DataTransferEventArgs.cs
- DataList.cs
- SpStreamWrapper.cs
- ByteViewer.cs
- SecurityTokenProvider.cs
- EventHandlerList.cs
- PrinterUnitConvert.cs
- CalendarTable.cs
- ItemCheckEvent.cs
- BufferManager.cs
- StreamMarshaler.cs
- Section.cs
- LexicalChunk.cs
- HtmlInputSubmit.cs
- BitmapEffect.cs
- StaticExtensionConverter.cs
- IIS7WorkerRequest.cs
- DataGridTableCollection.cs
- ImageListStreamer.cs
- SessionStateUtil.cs
- StylusCaptureWithinProperty.cs
- TextSelectionHighlightLayer.cs
- CurrencyWrapper.cs
- StringFormat.cs
- TreeNodeCollection.cs
- HtmlForm.cs
- ListQueryResults.cs
- OdbcStatementHandle.cs
- SecurityTokenParametersEnumerable.cs
- BidOverLoads.cs
- RequestBringIntoViewEventArgs.cs
- FullTextLine.cs
- DataListCommandEventArgs.cs
- PrintDocument.cs
- EntitySetDataBindingList.cs
- PeerApplicationLaunchInfo.cs
- DoubleLinkListEnumerator.cs
- SystemIPInterfaceProperties.cs
- TextEditorDragDrop.cs
- Internal.cs
- CustomErrorsSection.cs
- ISessionStateStore.cs
- SplitterPanel.cs
- LOSFormatter.cs
- ConfigXmlSignificantWhitespace.cs
- EllipticalNodeOperations.cs
- StylusButton.cs
- AdPostCacheSubstitution.cs
- ClientScriptManagerWrapper.cs
- PageCatalogPart.cs
- PerfCounterSection.cs
- ContentType.cs
- IImplicitResourceProvider.cs
- BuildDependencySet.cs
- Predicate.cs
- XmlDataSourceNodeDescriptor.cs
- __ComObject.cs
- TemplateBindingExtension.cs
- BrowsableAttribute.cs
- ProviderBase.cs
- ObjectDataSourceEventArgs.cs
- Double.cs
- ArcSegment.cs
- DoubleKeyFrameCollection.cs
- AspProxy.cs
- ToolStripGripRenderEventArgs.cs
- BamlTreeNode.cs
- CacheHelper.cs
- XmlSchemaProviderAttribute.cs
- MethodCallConverter.cs
- RsaSecurityToken.cs
- ParsedAttributeCollection.cs
- XmlParser.cs
- QilPatternVisitor.cs
- CurrentChangingEventManager.cs
- DifferencingCollection.cs
- RSACryptoServiceProvider.cs
- MetaModel.cs
- PageBreakRecord.cs
- ContextProperty.cs
- MenuItemStyle.cs