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 / 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
- PreProcessor.cs
- ArithmeticLiteral.cs
- ProcessModule.cs
- ViewStateModeByIdAttribute.cs
- FlowDocumentScrollViewerAutomationPeer.cs
- WebPartConnectVerb.cs
- SafePointer.cs
- SafeArrayRankMismatchException.cs
- TabControlCancelEvent.cs
- Scene3D.cs
- X509PeerCertificateAuthenticationElement.cs
- storepermission.cs
- SingleStorage.cs
- XPathCompileException.cs
- FontCollection.cs
- TableRow.cs
- RolePrincipal.cs
- RangeBase.cs
- ILGenerator.cs
- DynamicRendererThreadManager.cs
- DataRecord.cs
- CryptoApi.cs
- ParameterModifier.cs
- HashRepartitionStream.cs
- ClientUtils.cs
- GroupBox.cs
- RelatedCurrencyManager.cs
- SplitterCancelEvent.cs
- PasswordBox.cs
- SqlAliasesReferenced.cs
- AppDomainManager.cs
- InProcStateClientManager.cs
- Timer.cs
- EdmConstants.cs
- WinEventQueueItem.cs
- MultiSelectRootGridEntry.cs
- WebAdminConfigurationHelper.cs
- WebPartManagerInternals.cs
- DefaultCommandExtensionCallback.cs
- Translator.cs
- NameNode.cs
- UserControlParser.cs
- HttpInputStream.cs
- BrowserDefinition.cs
- ExtendedPropertyCollection.cs
- xmlglyphRunInfo.cs
- X509Chain.cs
- WinEventTracker.cs
- DoubleLink.cs
- FtpWebRequest.cs
- ToolStripRenderEventArgs.cs
- WSDualHttpSecurity.cs
- ToolTipAutomationPeer.cs
- ProxyElement.cs
- PropertyGroupDescription.cs
- RSAPKCS1SignatureDeformatter.cs
- ProxyElement.cs
- SegmentInfo.cs
- TypeConvertions.cs
- RegistrySecurity.cs
- CodeAttributeArgument.cs
- _SpnDictionary.cs
- DataServiceKeyAttribute.cs
- TemplateNameScope.cs
- PrintDialog.cs
- MenuItemBinding.cs
- NamespaceInfo.cs
- DataPagerField.cs
- ClientTarget.cs
- GroupPartitionExpr.cs
- ReachUIElementCollectionSerializer.cs
- IntMinMaxAggregationOperator.cs
- EmbeddedMailObjectsCollection.cs
- DataGridViewSortCompareEventArgs.cs
- WebMessageFormatHelper.cs
- DataGridCell.cs
- DebugViewWriter.cs
- OptimizedTemplateContent.cs
- XmlNodeChangedEventManager.cs
- SAPICategories.cs
- MailWebEventProvider.cs
- ToolStripArrowRenderEventArgs.cs
- ToolStripHighContrastRenderer.cs
- RowsCopiedEventArgs.cs
- ManagedFilter.cs
- HwndSource.cs
- AxisAngleRotation3D.cs
- ParameterCollection.cs
- CustomAttributeFormatException.cs
- XmlExtensionFunction.cs
- VisualState.cs
- XmlSchemaFacet.cs
- Repeater.cs
- SystemNetworkInterface.cs
- WebConfigurationFileMap.cs
- CommittableTransaction.cs
- DataShape.cs
- LostFocusEventManager.cs
- DispatcherExceptionFilterEventArgs.cs
- SecurityHeaderTokenResolver.cs