Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Net / System / Net / NetworkInformation / SystemIPv4InterfaceProperties.cs / 1 / SystemIPv4InterfaceProperties.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; internal class SystemIPv4InterfaceProperties:IPv4InterfaceProperties{ //these are only valid for ipv4 interfaces bool haveWins = false; bool dhcpEnabled = false; bool routingEnabled = false; bool autoConfigEnabled = false; bool autoConfigActive = false; uint index = 0; uint mtu = 0; //ipv4 addresses only GatewayIPAddressInformationCollection gatewayAddresses = null; IPAddressCollection dhcpAddresses = null; IPAddressCollection winsServerAddresses = null; internal IPAddressCollection dnsAddresses = null; /* // Consider removing. internal SystemIPv4InterfaceProperties(){ } */ internal SystemIPv4InterfaceProperties(FixedInfo fixedInfo, IpAdapterInfo ipAdapterInfo) { index = ipAdapterInfo.index; routingEnabled = fixedInfo.EnableRouting; dhcpEnabled = ipAdapterInfo.dhcpEnabled; haveWins = ipAdapterInfo.haveWins; gatewayAddresses = ipAdapterInfo.gatewayList.ToIPGatewayAddressCollection(); dhcpAddresses = ipAdapterInfo.dhcpServer.ToIPAddressCollection(); IPAddressCollection primaryWinsServerAddresses = ipAdapterInfo.primaryWinsServer.ToIPAddressCollection(); IPAddressCollection secondaryWinsServerAddresses = ipAdapterInfo.secondaryWinsServer.ToIPAddressCollection(); //concat the winsserver addresses winsServerAddresses = new IPAddressCollection(); foreach (IPAddress address in primaryWinsServerAddresses){ winsServerAddresses.InternalAdd(address); } foreach (IPAddress address in secondaryWinsServerAddresses){ winsServerAddresses.InternalAdd(address); } SystemIPv4InterfaceStatistics s = new SystemIPv4InterfaceStatistics(index); mtu = (uint)s.Mtu; if(ComNetOS.IsWin2K){ GetPerAdapterInfo(ipAdapterInfo.index); } else{ dnsAddresses = fixedInfo.DnsAddresses; } } internal IPAddressCollection DnsAddresses{ get { return dnsAddresses; } } /// /// Provides support for ip configuation information and statistics. /// Only valid for Ipv4 Uses WINS for name resolution. public override bool UsesWins{get {return haveWins;}} public override bool IsDhcpEnabled{ get { return dhcpEnabled; } } public override bool IsForwardingEnabled{get {return routingEnabled;}} //proto ///Auto configuration of an ipv4 address for a client /// on a network where a DHCP server /// isn't available. public override bool IsAutomaticPrivateAddressingEnabled{ get{ return autoConfigEnabled; } } // proto public override bool IsAutomaticPrivateAddressingActive{ get{ return autoConfigActive; } } ///Specifies the Maximum transmission unit in bytes. Uses GetIFEntry. //We cache this to be consistent across all platforms public override int Mtu{ get { return (int) mtu; } } public override int Index{ get { return (int) index; } } ///IP Address of the default gateway. internal GatewayIPAddressInformationCollection GetGatewayAddresses(){ return gatewayAddresses; } ///IP address of the DHCP sever. internal IPAddressCollection GetDhcpServerAddresses(){ return dhcpAddresses; } ///IP addresses of the WINS servers. internal IPAddressCollection GetWinsServersAddresses(){ return winsServerAddresses; } private void GetPerAdapterInfo(uint index) { if (index != 0){ uint size = 0; SafeLocalFree buffer = null; uint result = UnsafeNetInfoNativeMethods.GetPerAdapterInfo(index,SafeLocalFree.Zero,ref size); while (result == IpHelperErrors.ErrorBufferOverflow) { try { //now we allocate the buffer and read the network parameters. buffer = SafeLocalFree.LocalAlloc((int)size); result = UnsafeNetInfoNativeMethods.GetPerAdapterInfo(index,buffer,ref size); if ( result == IpHelperErrors.Success ) { IpPerAdapterInfo ipPerAdapterInfo = (IpPerAdapterInfo)Marshal.PtrToStructure(buffer.DangerousGetHandle(),typeof(IpPerAdapterInfo)); autoConfigEnabled = ipPerAdapterInfo.autoconfigEnabled; autoConfigActive = ipPerAdapterInfo.autoconfigActive; //get dnsAddresses dnsAddresses = ipPerAdapterInfo.dnsServerList.ToIPAddressCollection(); } } finally { if(dnsAddresses == null){ dnsAddresses = new IPAddressCollection(); } if (buffer != null) buffer.Close(); } } if(dnsAddresses == null){ dnsAddresses = new IPAddressCollection(); } if (result != IpHelperErrors.Success) { throw new NetworkInformationException((int)result); } } } } } // 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; internal class SystemIPv4InterfaceProperties:IPv4InterfaceProperties{ //these are only valid for ipv4 interfaces bool haveWins = false; bool dhcpEnabled = false; bool routingEnabled = false; bool autoConfigEnabled = false; bool autoConfigActive = false; uint index = 0; uint mtu = 0; //ipv4 addresses only GatewayIPAddressInformationCollection gatewayAddresses = null; IPAddressCollection dhcpAddresses = null; IPAddressCollection winsServerAddresses = null; internal IPAddressCollection dnsAddresses = null; /* // Consider removing. internal SystemIPv4InterfaceProperties(){ } */ internal SystemIPv4InterfaceProperties(FixedInfo fixedInfo, IpAdapterInfo ipAdapterInfo) { index = ipAdapterInfo.index; routingEnabled = fixedInfo.EnableRouting; dhcpEnabled = ipAdapterInfo.dhcpEnabled; haveWins = ipAdapterInfo.haveWins; gatewayAddresses = ipAdapterInfo.gatewayList.ToIPGatewayAddressCollection(); dhcpAddresses = ipAdapterInfo.dhcpServer.ToIPAddressCollection(); IPAddressCollection primaryWinsServerAddresses = ipAdapterInfo.primaryWinsServer.ToIPAddressCollection(); IPAddressCollection secondaryWinsServerAddresses = ipAdapterInfo.secondaryWinsServer.ToIPAddressCollection(); //concat the winsserver addresses winsServerAddresses = new IPAddressCollection(); foreach (IPAddress address in primaryWinsServerAddresses){ winsServerAddresses.InternalAdd(address); } foreach (IPAddress address in secondaryWinsServerAddresses){ winsServerAddresses.InternalAdd(address); } SystemIPv4InterfaceStatistics s = new SystemIPv4InterfaceStatistics(index); mtu = (uint)s.Mtu; if(ComNetOS.IsWin2K){ GetPerAdapterInfo(ipAdapterInfo.index); } else{ dnsAddresses = fixedInfo.DnsAddresses; } } internal IPAddressCollection DnsAddresses{ get { return dnsAddresses; } } /// /// Provides support for ip configuation information and statistics. /// Only valid for Ipv4 Uses WINS for name resolution. public override bool UsesWins{get {return haveWins;}} public override bool IsDhcpEnabled{ get { return dhcpEnabled; } } public override bool IsForwardingEnabled{get {return routingEnabled;}} //proto ///Auto configuration of an ipv4 address for a client /// on a network where a DHCP server /// isn't available. public override bool IsAutomaticPrivateAddressingEnabled{ get{ return autoConfigEnabled; } } // proto public override bool IsAutomaticPrivateAddressingActive{ get{ return autoConfigActive; } } ///Specifies the Maximum transmission unit in bytes. Uses GetIFEntry. //We cache this to be consistent across all platforms public override int Mtu{ get { return (int) mtu; } } public override int Index{ get { return (int) index; } } ///IP Address of the default gateway. internal GatewayIPAddressInformationCollection GetGatewayAddresses(){ return gatewayAddresses; } ///IP address of the DHCP sever. internal IPAddressCollection GetDhcpServerAddresses(){ return dhcpAddresses; } ///IP addresses of the WINS servers. internal IPAddressCollection GetWinsServersAddresses(){ return winsServerAddresses; } private void GetPerAdapterInfo(uint index) { if (index != 0){ uint size = 0; SafeLocalFree buffer = null; uint result = UnsafeNetInfoNativeMethods.GetPerAdapterInfo(index,SafeLocalFree.Zero,ref size); while (result == IpHelperErrors.ErrorBufferOverflow) { try { //now we allocate the buffer and read the network parameters. buffer = SafeLocalFree.LocalAlloc((int)size); result = UnsafeNetInfoNativeMethods.GetPerAdapterInfo(index,buffer,ref size); if ( result == IpHelperErrors.Success ) { IpPerAdapterInfo ipPerAdapterInfo = (IpPerAdapterInfo)Marshal.PtrToStructure(buffer.DangerousGetHandle(),typeof(IpPerAdapterInfo)); autoConfigEnabled = ipPerAdapterInfo.autoconfigEnabled; autoConfigActive = ipPerAdapterInfo.autoconfigActive; //get dnsAddresses dnsAddresses = ipPerAdapterInfo.dnsServerList.ToIPAddressCollection(); } } finally { if(dnsAddresses == null){ dnsAddresses = new IPAddressCollection(); } if (buffer != null) buffer.Close(); } } if(dnsAddresses == null){ dnsAddresses = new IPAddressCollection(); } if (result != IpHelperErrors.Success) { throw new NetworkInformationException((int)result); } } } } } // 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
- SizeAnimationClockResource.cs
- ComplexLine.cs
- UpdateProgress.cs
- SimpleBitVector32.cs
- TraceInternal.cs
- BaseProcessor.cs
- Span.cs
- BinHexDecoder.cs
- LabelDesigner.cs
- EDesignUtil.cs
- MaskDesignerDialog.cs
- EntityDataSourceValidationException.cs
- FolderLevelBuildProviderCollection.cs
- AutomationElementIdentifiers.cs
- DeviceContexts.cs
- Executor.cs
- DataControlFieldCell.cs
- DefaultTraceListener.cs
- TableChangeProcessor.cs
- WindowsRebar.cs
- InheritanceContextChangedEventManager.cs
- WebServiceMethodData.cs
- ImagingCache.cs
- StylusPoint.cs
- DataGridDetailsPresenter.cs
- MultiBinding.cs
- EmptyArray.cs
- BookmarkEventArgs.cs
- VisualTransition.cs
- COM2Enum.cs
- DataGridItemCollection.cs
- AdornerDecorator.cs
- CountAggregationOperator.cs
- Function.cs
- ContainerAction.cs
- SQLMembershipProvider.cs
- ToolTipService.cs
- RequiredFieldValidator.cs
- XmlDataSourceView.cs
- ErrorTableItemStyle.cs
- TextOnlyOutput.cs
- WindowCollection.cs
- Transform.cs
- COM2Enum.cs
- EpmSourcePathSegment.cs
- XmlQualifiedName.cs
- ACL.cs
- NodeLabelEditEvent.cs
- ConfigXmlElement.cs
- TreeView.cs
- XmlIlTypeHelper.cs
- RangeBaseAutomationPeer.cs
- InkPresenter.cs
- WebPartConnection.cs
- FormsAuthenticationUser.cs
- StrongBox.cs
- KnownAssemblyEntry.cs
- ColumnReorderedEventArgs.cs
- DbConnectionPoolGroupProviderInfo.cs
- MappingModelBuildProvider.cs
- CalendarDesigner.cs
- FormsIdentity.cs
- UnionExpr.cs
- UserControlBuildProvider.cs
- ScriptBehaviorDescriptor.cs
- TreeNodeStyle.cs
- JournalEntry.cs
- SupportsEventValidationAttribute.cs
- DateTimePicker.cs
- XmlTextEncoder.cs
- CachingParameterInspector.cs
- CodeDelegateInvokeExpression.cs
- ProfileEventArgs.cs
- SymDocumentType.cs
- ObjectStateManagerMetadata.cs
- MethodSignatureGenerator.cs
- DescendantBaseQuery.cs
- filewebresponse.cs
- ImageCodecInfoPrivate.cs
- SendMailErrorEventArgs.cs
- TextRenderer.cs
- _BaseOverlappedAsyncResult.cs
- FixedDSBuilder.cs
- ToggleProviderWrapper.cs
- DBCSCodePageEncoding.cs
- ControlUtil.cs
- Win32.cs
- documentsequencetextview.cs
- ItemDragEvent.cs
- SolidColorBrush.cs
- ConsumerConnectionPointCollection.cs
- ErasingStroke.cs
- DataGridColumnHeadersPresenterAutomationPeer.cs
- ToggleProviderWrapper.cs
- DirectoryLocalQuery.cs
- HttpModuleCollection.cs
- DefaultTraceListener.cs
- ToolStripComboBox.cs
- ImageDrawing.cs
- CompositeActivityValidator.cs