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
- MiniConstructorInfo.cs
- JsonReaderDelegator.cs
- SystemInfo.cs
- InstanceKeyNotReadyException.cs
- DataGridViewCellLinkedList.cs
- TableLayoutPanelBehavior.cs
- SimpleRecyclingCache.cs
- RouteParser.cs
- ToolboxComponentsCreatedEventArgs.cs
- MemberPathMap.cs
- PointHitTestResult.cs
- ResourceSetExpression.cs
- PersistenceException.cs
- PropertyKey.cs
- UIElementParagraph.cs
- FileIOPermission.cs
- XAMLParseException.cs
- PathData.cs
- WebPartZoneBase.cs
- RuntimeHandles.cs
- DynamicVirtualDiscoSearcher.cs
- TextChange.cs
- Pen.cs
- InternalCache.cs
- FastEncoderWindow.cs
- CollectionBuilder.cs
- sqlcontext.cs
- FunctionDetailsReader.cs
- MsmqHostedTransportConfiguration.cs
- EventToken.cs
- MachineKeySection.cs
- DiscreteKeyFrames.cs
- SqlNodeAnnotation.cs
- BackgroundWorker.cs
- WorkflowServiceBehavior.cs
- WindowsFormsLinkLabel.cs
- RedirectionProxy.cs
- WindowProviderWrapper.cs
- FixedSOMTable.cs
- FaultDesigner.cs
- TextRangeEditLists.cs
- VersionedStreamOwner.cs
- InternalControlCollection.cs
- TdsValueSetter.cs
- MaterialCollection.cs
- GlobalizationAssembly.cs
- DataBindingCollectionConverter.cs
- ThousandthOfEmRealPoints.cs
- MutexSecurity.cs
- CodeBlockBuilder.cs
- AllMembershipCondition.cs
- PathGeometry.cs
- InterleavedZipPartStream.cs
- XmlUtilWriter.cs
- FileIOPermission.cs
- ThreadAttributes.cs
- unsafenativemethodsother.cs
- SetIterators.cs
- itemelement.cs
- JapaneseCalendar.cs
- DataBinder.cs
- MatrixTransform.cs
- DynamicQueryStringParameter.cs
- MutexSecurity.cs
- GridViewAutomationPeer.cs
- Rotation3DAnimation.cs
- DbReferenceCollection.cs
- KeySpline.cs
- OleDbConnectionInternal.cs
- WsdlBuildProvider.cs
- InternalResources.cs
- DataGridViewCellStateChangedEventArgs.cs
- DataContractSerializerServiceBehavior.cs
- CodeValidator.cs
- x509utils.cs
- Compiler.cs
- PenLineCapValidation.cs
- RemotingConfiguration.cs
- CodeBlockBuilder.cs
- pingexception.cs
- ImageListUtils.cs
- XmlRootAttribute.cs
- XamlFxTrace.cs
- AnonymousIdentificationSection.cs
- MenuAutomationPeer.cs
- SelectorAutomationPeer.cs
- DesignObjectWrapper.cs
- XmlEnumAttribute.cs
- EventItfInfo.cs
- AssociationEndMember.cs
- COM2ExtendedTypeConverter.cs
- SourceElementsCollection.cs
- MessageSecurityOverMsmq.cs
- PropertyEntry.cs
- VariableExpressionConverter.cs
- ComPlusTypeLoader.cs
- WebPartUtil.cs
- ExceptionHandler.cs
- BaseDataListDesigner.cs
- RequestFactory.cs