Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / NetworkInformation / SystemUnicastIPAddressInformation.cs / 1305376 / 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
- DBConnection.cs
- XmlWriterSettings.cs
- SqlCachedBuffer.cs
- PEFileReader.cs
- TypeSystem.cs
- EasingKeyFrames.cs
- EntityViewContainer.cs
- EdmPropertyAttribute.cs
- ValidationRuleCollection.cs
- Function.cs
- HttpAsyncResult.cs
- QualifiedId.cs
- MessageBodyDescription.cs
- GraphicsContext.cs
- EntityDesignerUtils.cs
- HttpException.cs
- Pipe.cs
- BufferModeSettings.cs
- ToggleButton.cs
- PackageRelationshipCollection.cs
- ReadOnlyObservableCollection.cs
- ProcessModelInfo.cs
- Semaphore.cs
- OrderedEnumerableRowCollection.cs
- TimeSpanOrInfiniteValidator.cs
- FieldBuilder.cs
- DesignerCategoryAttribute.cs
- MobileListItem.cs
- Sequence.cs
- InternalControlCollection.cs
- Button.cs
- SharedConnectionWorkflowTransactionService.cs
- QuestionEventArgs.cs
- VariableAction.cs
- ConfigsHelper.cs
- UInt16.cs
- DetailsViewPagerRow.cs
- FixedDocumentSequencePaginator.cs
- ArgumentOutOfRangeException.cs
- MultipleViewProviderWrapper.cs
- PasswordTextNavigator.cs
- SqlLiftIndependentRowExpressions.cs
- UrlAuthFailedErrorFormatter.cs
- BindStream.cs
- PointLightBase.cs
- Content.cs
- Model3D.cs
- _LoggingObject.cs
- TableHeaderCell.cs
- XmlSchemaCollection.cs
- XmlReflectionImporter.cs
- ReferenceConverter.cs
- CqlLexerHelpers.cs
- ListSourceHelper.cs
- ColumnHeader.cs
- ResourcesBuildProvider.cs
- RegexWriter.cs
- ISAPIApplicationHost.cs
- SspiSecurityTokenParameters.cs
- Tuple.cs
- SymbolPair.cs
- BuildProvider.cs
- Context.cs
- HttpCacheVaryByContentEncodings.cs
- WindowsAuthenticationModule.cs
- QueryCacheManager.cs
- SmiXetterAccessMap.cs
- IndentTextWriter.cs
- DesignRelation.cs
- ISCIIEncoding.cs
- OleDbConnectionInternal.cs
- FlatButtonAppearance.cs
- ConnectionOrientedTransportElement.cs
- UpdatePanel.cs
- ReadContentAsBinaryHelper.cs
- CollectionType.cs
- _CookieModule.cs
- DllNotFoundException.cs
- Roles.cs
- Win32NamedPipes.cs
- DateTimeConstantAttribute.cs
- SqlSelectStatement.cs
- SystemNetworkInterface.cs
- AuthenticationModuleElement.cs
- SingleAnimationUsingKeyFrames.cs
- TemporaryBitmapFile.cs
- Logging.cs
- NavigationCommands.cs
- DesignerSerializationOptionsAttribute.cs
- unsafeIndexingFilterStream.cs
- EventLogException.cs
- DrawingGroup.cs
- RepeaterCommandEventArgs.cs
- TextOptions.cs
- SudsWriter.cs
- InvalidProgramException.cs
- SymLanguageType.cs
- GridProviderWrapper.cs
- CheckBox.cs
- XmlNamespaceDeclarationsAttribute.cs