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
- ADMembershipUser.cs
- XmlSchemaChoice.cs
- _CacheStreams.cs
- ParenExpr.cs
- AssemblyInfo.cs
- FormViewRow.cs
- ParameterCollection.cs
- ContainerSelectorBehavior.cs
- CodeSubDirectory.cs
- MimeTypeMapper.cs
- HitTestResult.cs
- PersonalizationDictionary.cs
- SiteMapNodeItemEventArgs.cs
- SecurityTokenAuthenticator.cs
- ReliabilityContractAttribute.cs
- UserMapPath.cs
- TemplatePagerField.cs
- FocusWithinProperty.cs
- OleDbErrorCollection.cs
- SecurityIdentifierElementCollection.cs
- GridLength.cs
- EditorZone.cs
- AstTree.cs
- AnimationStorage.cs
- ToolBar.cs
- OleDbParameterCollection.cs
- GradientStop.cs
- WebSysDescriptionAttribute.cs
- xml.cs
- ColorTranslator.cs
- GridViewRow.cs
- ResolvedKeyFrameEntry.cs
- XmlElementCollection.cs
- PowerModeChangedEventArgs.cs
- ICspAsymmetricAlgorithm.cs
- WindowCollection.cs
- CompositeDataBoundControl.cs
- DisplayMemberTemplateSelector.cs
- AnimationClockResource.cs
- _NestedSingleAsyncResult.cs
- CalendarDay.cs
- ContextMenuStripGroupCollection.cs
- NetTcpSecurityElement.cs
- EntityDataSourceValidationException.cs
- StringResourceManager.cs
- DefinitionProperties.cs
- PointLightBase.cs
- HttpListenerException.cs
- CodeFieldReferenceExpression.cs
- DynamicScriptObject.cs
- NameValuePermission.cs
- FileInfo.cs
- ProgressPage.cs
- RectangleGeometry.cs
- HtmlTableCell.cs
- PtsHelper.cs
- InternalEnumValidatorAttribute.cs
- XmlTextAttribute.cs
- DataGridItemEventArgs.cs
- RIPEMD160.cs
- ConfigurationStrings.cs
- ActivityValidationServices.cs
- ItemsPresenter.cs
- DeleteIndexBinder.cs
- InvalidWMPVersionException.cs
- HScrollProperties.cs
- DataGridViewColumnConverter.cs
- BitmapEffectGroup.cs
- AvTraceFormat.cs
- ProfileSettingsCollection.cs
- JournalEntry.cs
- ObjectToIdCache.cs
- SinglePageViewer.cs
- ButtonFieldBase.cs
- RangeExpression.cs
- Decoder.cs
- XmlSchemaSimpleContentExtension.cs
- ReaderWriterLock.cs
- DeclarativeCatalogPart.cs
- ZoneMembershipCondition.cs
- DefinitionBase.cs
- ExpressionNormalizer.cs
- EntityTypeEmitter.cs
- TextContainerChangeEventArgs.cs
- Screen.cs
- PageAsyncTask.cs
- SqlCacheDependencyDatabaseCollection.cs
- ViewValidator.cs
- EditorZoneAutoFormat.cs
- SignatureTargetIdManager.cs
- JumpTask.cs
- XsltContext.cs
- HttpProfileGroupBase.cs
- LiteralLink.cs
- EmptyQuery.cs
- PointCollectionValueSerializer.cs
- ComEventsMethod.cs
- ApplicationSecurityInfo.cs
- TableSectionStyle.cs
- OptimisticConcurrencyException.cs