Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / SystemNet / Net / PeerToPeer / SystemNetHelpers.cs / 1 / SystemNetHelpers.cs
namespace System.Net.PeerToPeer { using System; using System.Net; using System.Net.Sockets; using System.Collections.Generic; using System.Text; using System.Security.Permissions; internal static class SystemNetHelpers { internal const int IPv6AddressSize = 28; internal const int IPv4AddressSize = 16; internal static byte[] SOCKADDRFromIPEndPoint(IPEndPoint ipEndPoint) { byte[] buffer = new byte[ipEndPoint.AddressFamily == AddressFamily.InterNetworkV6 ? IPv6AddressSize : IPv4AddressSize]; #if BIGENDIAN buffer[0] = unchecked((byte)((int)family>>8)); buffer[1] = unchecked((byte)((int)family )); #else buffer[0] = unchecked((byte)((int)ipEndPoint.AddressFamily)); buffer[1] = unchecked((byte)((int)ipEndPoint.AddressFamily >> 8)); #endif if (ipEndPoint.AddressFamily == AddressFamily.InterNetworkV6) { buffer[2] = (byte)(ipEndPoint.Port >> 8); buffer[3] = (byte)ipEndPoint.Port; buffer[4] = (byte)0; buffer[5] = (byte)0; buffer[6] = (byte)0; buffer[7] = (byte)0; long scope = ipEndPoint.Address.ScopeId; buffer[24] = (byte)scope; buffer[25] = (byte)(scope >> 8); buffer[26] = (byte)(scope >> 16); buffer[27] = (byte)(scope >> 24); byte[] addressBytes = ipEndPoint.Address.GetAddressBytes(); for (int i = 0; i < addressBytes.Length; i++) { buffer[8 + i] = addressBytes[i]; } } else { buffer[2] = unchecked((byte)(ipEndPoint.Port >> 8)); buffer[3] = unchecked((byte)(ipEndPoint.Port)); byte[] addressBytes = ipEndPoint.Address.GetAddressBytes(); for (int i = 0; i < addressBytes.Length; i++) { buffer[4 + i] = addressBytes[i]; } } return buffer; } internal static IPEndPoint IPEndPointFromSOCKADDRBuffer(byte[] buffer) { IPAddress ip = null; int addressFamily = 0; #if BIGENDIAN addressFamily = buffer[1] + ((int)buffer[0] << 8); #else addressFamily = buffer[0] + ((int)buffer[1] << 8); #endif //Get port int port = buffer[3] + ((int)buffer[2] << 8); if ((AddressFamily)addressFamily == AddressFamily.InterNetwork) { byte[] v4bytes = new byte[] { buffer[4], buffer[5], buffer[6], buffer[7] }; ip = new IPAddress(v4bytes); } else if ((AddressFamily)addressFamily == AddressFamily.InterNetworkV6) { byte[] v6Bytes = new byte[16]; for (int i = 0; i < 16; i++) v6Bytes[i] = buffer[8 + i]; long scope = ((long)(long)buffer[24] + ((long)buffer[25] << 8) + ((long)buffer[26] << 16) + ((long)buffer[27] << 24)); ip = new IPAddress(v6Bytes); ip.ScopeId = scope; } return new IPEndPoint(ip, port); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Net.PeerToPeer { using System; using System.Net; using System.Net.Sockets; using System.Collections.Generic; using System.Text; using System.Security.Permissions; internal static class SystemNetHelpers { internal const int IPv6AddressSize = 28; internal const int IPv4AddressSize = 16; internal static byte[] SOCKADDRFromIPEndPoint(IPEndPoint ipEndPoint) { byte[] buffer = new byte[ipEndPoint.AddressFamily == AddressFamily.InterNetworkV6 ? IPv6AddressSize : IPv4AddressSize]; #if BIGENDIAN buffer[0] = unchecked((byte)((int)family>>8)); buffer[1] = unchecked((byte)((int)family )); #else buffer[0] = unchecked((byte)((int)ipEndPoint.AddressFamily)); buffer[1] = unchecked((byte)((int)ipEndPoint.AddressFamily >> 8)); #endif if (ipEndPoint.AddressFamily == AddressFamily.InterNetworkV6) { buffer[2] = (byte)(ipEndPoint.Port >> 8); buffer[3] = (byte)ipEndPoint.Port; buffer[4] = (byte)0; buffer[5] = (byte)0; buffer[6] = (byte)0; buffer[7] = (byte)0; long scope = ipEndPoint.Address.ScopeId; buffer[24] = (byte)scope; buffer[25] = (byte)(scope >> 8); buffer[26] = (byte)(scope >> 16); buffer[27] = (byte)(scope >> 24); byte[] addressBytes = ipEndPoint.Address.GetAddressBytes(); for (int i = 0; i < addressBytes.Length; i++) { buffer[8 + i] = addressBytes[i]; } } else { buffer[2] = unchecked((byte)(ipEndPoint.Port >> 8)); buffer[3] = unchecked((byte)(ipEndPoint.Port)); byte[] addressBytes = ipEndPoint.Address.GetAddressBytes(); for (int i = 0; i < addressBytes.Length; i++) { buffer[4 + i] = addressBytes[i]; } } return buffer; } internal static IPEndPoint IPEndPointFromSOCKADDRBuffer(byte[] buffer) { IPAddress ip = null; int addressFamily = 0; #if BIGENDIAN addressFamily = buffer[1] + ((int)buffer[0] << 8); #else addressFamily = buffer[0] + ((int)buffer[1] << 8); #endif //Get port int port = buffer[3] + ((int)buffer[2] << 8); if ((AddressFamily)addressFamily == AddressFamily.InterNetwork) { byte[] v4bytes = new byte[] { buffer[4], buffer[5], buffer[6], buffer[7] }; ip = new IPAddress(v4bytes); } else if ((AddressFamily)addressFamily == AddressFamily.InterNetworkV6) { byte[] v6Bytes = new byte[16]; for (int i = 0; i < 16; i++) v6Bytes[i] = buffer[8 + i]; long scope = ((long)(long)buffer[24] + ((long)buffer[25] << 8) + ((long)buffer[26] << 16) + ((long)buffer[27] << 24)); ip = new IPAddress(v6Bytes); ip.ScopeId = scope; } return new IPEndPoint(ip, port); } } } // 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
- DefaultMemberAttribute.cs
- ClassValidator.cs
- ListBox.cs
- CultureTableRecord.cs
- InstanceDataCollectionCollection.cs
- SerialReceived.cs
- RadioButtonFlatAdapter.cs
- WebPartConnectionsDisconnectVerb.cs
- BuildResultCache.cs
- WindowsIPAddress.cs
- FloaterParagraph.cs
- ExeContext.cs
- BamlRecords.cs
- HwndAppCommandInputProvider.cs
- OptimalTextSource.cs
- EarlyBoundInfo.cs
- Options.cs
- HtmlTableCellCollection.cs
- EventLogPermissionAttribute.cs
- CLRBindingWorker.cs
- MatrixAnimationUsingPath.cs
- CircleHotSpot.cs
- XmlRawWriter.cs
- ColorTransform.cs
- SocketStream.cs
- SmtpFailedRecipientsException.cs
- HtmlImage.cs
- OdbcEnvironmentHandle.cs
- ExecutionProperties.cs
- MediaPlayerState.cs
- HtmlInputRadioButton.cs
- CompiledXpathExpr.cs
- ObjectIDGenerator.cs
- SineEase.cs
- GeneralTransform2DTo3D.cs
- ValueChangedEventManager.cs
- GridViewDeleteEventArgs.cs
- BooleanExpr.cs
- AmbiguousMatchException.cs
- Baml2006ReaderFrame.cs
- AnimationStorage.cs
- ToolBarTray.cs
- Point3DCollectionConverter.cs
- odbcmetadatacolumnnames.cs
- wgx_commands.cs
- BinaryReader.cs
- FontInfo.cs
- ActiveXContainer.cs
- TypedDataSourceCodeGenerator.cs
- ZipIOExtraFieldZip64Element.cs
- SectionXmlInfo.cs
- MappingSource.cs
- TargetInvocationException.cs
- login.cs
- ListenUriMode.cs
- DataGridTableStyleMappingNameEditor.cs
- SqlUdtInfo.cs
- SessionPageStatePersister.cs
- DataGridPageChangedEventArgs.cs
- SingleStorage.cs
- CompilationUtil.cs
- SqlUtil.cs
- DesignerProperties.cs
- FlowDocumentReaderAutomationPeer.cs
- DuplicateContext.cs
- Int64AnimationUsingKeyFrames.cs
- ListViewUpdatedEventArgs.cs
- UnknownExceptionActionHelper.cs
- FixedDocumentPaginator.cs
- DataSourceCacheDurationConverter.cs
- securitymgrsite.cs
- SmtpException.cs
- LocalizedNameDescriptionPair.cs
- ViewManagerAttribute.cs
- SqlException.cs
- DataServiceBuildProvider.cs
- HyperLinkColumn.cs
- ComplusEndpointConfigContainer.cs
- ValidationRule.cs
- XmlBaseReader.cs
- ObjectAssociationEndMapping.cs
- KeyValueConfigurationElement.cs
- Thickness.cs
- Ref.cs
- TagPrefixCollection.cs
- PropertyMetadata.cs
- BoundingRectTracker.cs
- LinearGradientBrush.cs
- ListSourceHelper.cs
- WebMethodAttribute.cs
- FactoryId.cs
- MachineKeySection.cs
- ADMembershipProvider.cs
- ControlsConfig.cs
- Configuration.cs
- WindowsRichEdit.cs
- PartBasedPackageProperties.cs
- DetailsViewModeEventArgs.cs
- CommaDelimitedStringAttributeCollectionConverter.cs
- LowerCaseStringConverter.cs