Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / SystemNet / Net / PeerToPeer / SystemNetHelpers.cs / 1305376 / 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.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SEHException.cs
- BasicHttpSecurity.cs
- DbConnectionStringCommon.cs
- SizeAnimationBase.cs
- AlternationConverter.cs
- ModelTreeManager.cs
- TransactionChannelFactory.cs
- IntegerValidatorAttribute.cs
- XmlReturnWriter.cs
- CodeDirectionExpression.cs
- ContainerUIElement3D.cs
- EDesignUtil.cs
- DataColumnMapping.cs
- HwndProxyElementProvider.cs
- UnsafeNativeMethods.cs
- GPRECTF.cs
- XmlReader.cs
- CodeArrayCreateExpression.cs
- PointValueSerializer.cs
- ObjectParameterCollection.cs
- XmlLanguageConverter.cs
- DrawingContextDrawingContextWalker.cs
- AsyncPostBackTrigger.cs
- TabletDevice.cs
- DecimalAnimationUsingKeyFrames.cs
- LayoutUtils.cs
- WindowsFormsLinkLabel.cs
- ClientEndpointLoader.cs
- SafePEFileHandle.cs
- ElementFactory.cs
- PrivilegedConfigurationManager.cs
- AnimatedTypeHelpers.cs
- LogRecordSequence.cs
- ExpandCollapsePattern.cs
- Timer.cs
- MergeEnumerator.cs
- DictionaryEntry.cs
- DataSourceComponent.cs
- UIElementHelper.cs
- TrackBar.cs
- Fault.cs
- Quaternion.cs
- WebPartConnection.cs
- StatusBarPanelClickEvent.cs
- ArgumentException.cs
- QilChoice.cs
- HtmlInputPassword.cs
- counter.cs
- Utils.cs
- ScriptControlDescriptor.cs
- XmlCharCheckingReader.cs
- ProgramPublisher.cs
- HostedElements.cs
- EDesignUtil.cs
- CorrelationManager.cs
- XslTransform.cs
- AppDomainCompilerProxy.cs
- _OverlappedAsyncResult.cs
- BinaryFormatterSinks.cs
- HMACSHA1.cs
- BitmapEffectGeneralTransform.cs
- ListView.cs
- DbParameterHelper.cs
- DefaultValueTypeConverter.cs
- _emptywebproxy.cs
- MtomMessageEncoder.cs
- KeyedCollection.cs
- CodeAttributeDeclarationCollection.cs
- NativeMethods.cs
- relpropertyhelper.cs
- Hex.cs
- HelpKeywordAttribute.cs
- HtmlLiteralTextAdapter.cs
- WorkflowCreationContext.cs
- NotificationContext.cs
- ObjectList.cs
- RegistryDataKey.cs
- DrawingContext.cs
- DatagridviewDisplayedBandsData.cs
- CatalogZone.cs
- XmlSerializationGeneratedCode.cs
- Collection.cs
- XmlStringTable.cs
- ProcessModelInfo.cs
- MediaElementAutomationPeer.cs
- CaseInsensitiveComparer.cs
- M3DUtil.cs
- LicenseProviderAttribute.cs
- XmlSchemas.cs
- ClientApiGenerator.cs
- ParameterCollection.cs
- ReferentialConstraint.cs
- BitmapEffectCollection.cs
- FieldNameLookup.cs
- CompositeTypefaceMetrics.cs
- AddInPipelineAttributes.cs
- ExitEventArgs.cs
- WindowsToolbarAsMenu.cs
- DragEvent.cs
- Canvas.cs