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 / SystemIPAddressInformation.cs / 1 / SystemIPAddressInformation.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; //this is the main addressinformation class that contains the ipaddress //and other properties internal class SystemIPAddressInformation:IPAddressInformation{ IPAddress address; internal bool transient = false; internal bool dnsEligible = true; /* // Consider removing. internal SystemIPAddressInformation(){} */ internal SystemIPAddressInformation(IPAddress address) { this.address = address; if (address.AddressFamily == AddressFamily.InterNetwork) { //DngEligible is true except for 169.254.x.x addresses (the APIPA addresses ) dnsEligible = !((address.m_Address & 0x0000FEA9)>0); } } internal SystemIPAddressInformation(IpAdapterUnicastAddress adapterAddress,IPAddress address) { this.address = address; transient = (adapterAddress.flags & AdapterAddressFlags.Transient)>0; dnsEligible = (adapterAddress.flags & AdapterAddressFlags.DnsEligible)>0; } internal SystemIPAddressInformation(IpAdapterAddress adapterAddress,IPAddress address) { this.address = address; transient = (adapterAddress.flags & AdapterAddressFlags.Transient)>0; dnsEligible = (adapterAddress.flags & AdapterAddressFlags.DnsEligible)>0; } public override IPAddress Address{get {return address;}} /// /// Provides support for ip configuation information and statistics. /// The address is a cluster address and shouldn't be used by most applications. public override bool IsTransient{ get { return (transient); } } ///This address can be used for DNS. public override bool IsDnsEligible{ get { return (dnsEligible); } } //helper method that marshals the addressinformation into the classes internal static IPAddressCollection ToAddressCollection(IntPtr ptr,IPVersion versionSupported) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. IPAddressCollection addressList = new IPAddressCollection(); //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(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; //only add addresses that are the same type as what is supported by the interface //this fixes a bug in iphelper regarding dns addresses if (((family == AddressFamily.InterNetwork) && ((versionSupported & IPVersion.IPv4) > 0)) || ((family == AddressFamily.InterNetworkV6) && ((versionSupported & IPVersion.IPv6) > 0))) { 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(ep.Address); } } return addressList; } //helper method that marshals the addressinformation into the classes internal static IPAddressInformationCollection ToAddressInformationCollection(IntPtr ptr,IPVersion versionSupported) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. IPAddressInformationCollection addressList = new IPAddressInformationCollection(); //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 SystemIPAddressInformation(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; //only add addresses that are the same type as what is supported by the interface //this fixes a bug in iphelper regarding dns addresses if (((family == AddressFamily.InterNetwork) && ((versionSupported & IPVersion.IPv4) > 0)) || ((family == AddressFamily.InterNetworkV6) && ((versionSupported & IPVersion.IPv6) > 0))) { 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 SystemIPAddressInformation(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; //this is the main addressinformation class that contains the ipaddress //and other properties internal class SystemIPAddressInformation:IPAddressInformation{ IPAddress address; internal bool transient = false; internal bool dnsEligible = true; /* // Consider removing. internal SystemIPAddressInformation(){} */ internal SystemIPAddressInformation(IPAddress address) { this.address = address; if (address.AddressFamily == AddressFamily.InterNetwork) { //DngEligible is true except for 169.254.x.x addresses (the APIPA addresses ) dnsEligible = !((address.m_Address & 0x0000FEA9)>0); } } internal SystemIPAddressInformation(IpAdapterUnicastAddress adapterAddress,IPAddress address) { this.address = address; transient = (adapterAddress.flags & AdapterAddressFlags.Transient)>0; dnsEligible = (adapterAddress.flags & AdapterAddressFlags.DnsEligible)>0; } internal SystemIPAddressInformation(IpAdapterAddress adapterAddress,IPAddress address) { this.address = address; transient = (adapterAddress.flags & AdapterAddressFlags.Transient)>0; dnsEligible = (adapterAddress.flags & AdapterAddressFlags.DnsEligible)>0; } public override IPAddress Address{get {return address;}} /// /// Provides support for ip configuation information and statistics. /// The address is a cluster address and shouldn't be used by most applications. public override bool IsTransient{ get { return (transient); } } ///This address can be used for DNS. public override bool IsDnsEligible{ get { return (dnsEligible); } } //helper method that marshals the addressinformation into the classes internal static IPAddressCollection ToAddressCollection(IntPtr ptr,IPVersion versionSupported) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. IPAddressCollection addressList = new IPAddressCollection(); //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(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; //only add addresses that are the same type as what is supported by the interface //this fixes a bug in iphelper regarding dns addresses if (((family == AddressFamily.InterNetwork) && ((versionSupported & IPVersion.IPv4) > 0)) || ((family == AddressFamily.InterNetworkV6) && ((versionSupported & IPVersion.IPv6) > 0))) { 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(ep.Address); } } return addressList; } //helper method that marshals the addressinformation into the classes internal static IPAddressInformationCollection ToAddressInformationCollection(IntPtr ptr,IPVersion versionSupported) { //we don't know the number of addresses up front, so we create an arraylist //to temporarily store them. IPAddressInformationCollection addressList = new IPAddressInformationCollection(); //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 SystemIPAddressInformation(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; //only add addresses that are the same type as what is supported by the interface //this fixes a bug in iphelper regarding dns addresses if (((family == AddressFamily.InterNetwork) && ((versionSupported & IPVersion.IPv4) > 0)) || ((family == AddressFamily.InterNetworkV6) && ((versionSupported & IPVersion.IPv6) > 0))) { 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 SystemIPAddressInformation(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
- XmlSchemaException.cs
- control.ime.cs
- UnSafeCharBuffer.cs
- ArgumentNullException.cs
- ToolStripDropDownMenu.cs
- DataBoundControlAdapter.cs
- AnnotationResource.cs
- AttributeProviderAttribute.cs
- CodeTypeOfExpression.cs
- CharStorage.cs
- HierarchicalDataBoundControlAdapter.cs
- InlineObject.cs
- ListView.cs
- Comparer.cs
- ListViewItemEventArgs.cs
- WindowsListViewScroll.cs
- PrintDialog.cs
- Atom10FormatterFactory.cs
- DetailsViewUpdatedEventArgs.cs
- Win32SafeHandles.cs
- EntityModelSchemaGenerator.cs
- TextRenderer.cs
- FeatureManager.cs
- WindowsSpinner.cs
- ProgressBarHighlightConverter.cs
- HttpAsyncResult.cs
- MarkupProperty.cs
- XamlFilter.cs
- SoapSchemaMember.cs
- QilChoice.cs
- ManagedWndProcTracker.cs
- Assert.cs
- MessageBox.cs
- DataGridViewCellValidatingEventArgs.cs
- OptimalBreakSession.cs
- ComponentManagerBroker.cs
- KeyConstraint.cs
- RangeValidator.cs
- ProgressChangedEventArgs.cs
- EntityType.cs
- PlatformCulture.cs
- DataGridRelationshipRow.cs
- OutputScopeManager.cs
- WindowsFormsHostPropertyMap.cs
- wgx_render.cs
- TextBoxRenderer.cs
- ThrowHelper.cs
- SHA512Managed.cs
- ChtmlTextWriter.cs
- LongValidatorAttribute.cs
- SizeConverter.cs
- DataGridViewHitTestInfo.cs
- QilBinary.cs
- OutputCacheModule.cs
- ServiceDesigner.cs
- SpeechDetectedEventArgs.cs
- EntityCommandDefinition.cs
- BamlLocalizer.cs
- LostFocusEventManager.cs
- TimeStampChecker.cs
- SoapAttributeAttribute.cs
- SyndicationPerson.cs
- AsyncResult.cs
- _HeaderInfo.cs
- RemotingException.cs
- MappingModelBuildProvider.cs
- HttpApplication.cs
- SplineQuaternionKeyFrame.cs
- JulianCalendar.cs
- ImageListUtils.cs
- CustomErrorsSectionWrapper.cs
- PopupEventArgs.cs
- BaseCodeDomTreeGenerator.cs
- HttpHandlerActionCollection.cs
- TextEndOfLine.cs
- CultureInfo.cs
- RestHandlerFactory.cs
- Button.cs
- RepeaterItemCollection.cs
- AggregateNode.cs
- ColumnHeader.cs
- SqlDataSourceEnumerator.cs
- MarshalDirectiveException.cs
- ParamArrayAttribute.cs
- BmpBitmapDecoder.cs
- ExtendedPropertyDescriptor.cs
- MimeMapping.cs
- RSAOAEPKeyExchangeDeformatter.cs
- SelectionWordBreaker.cs
- ComplexPropertyEntry.cs
- VBIdentifierTrimConverter.cs
- DockPattern.cs
- WebPartsPersonalization.cs
- Environment.cs
- ExceptionUtil.cs
- FloatUtil.cs
- EmbeddedObject.cs
- SoundPlayerAction.cs
- EntityDataSourceWrapperPropertyDescriptor.cs
- ProjectionAnalyzer.cs