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
- DataControlField.cs
- TypeSemantics.cs
- WebBrowserNavigatedEventHandler.cs
- ProcessHostFactoryHelper.cs
- FieldCollectionEditor.cs
- PeekCompletedEventArgs.cs
- BitmapPalette.cs
- OleDbInfoMessageEvent.cs
- EditorZoneAutoFormat.cs
- DoubleLinkListEnumerator.cs
- FontStyle.cs
- CultureInfo.cs
- StyleHelper.cs
- DllNotFoundException.cs
- WorkflowViewManager.cs
- oledbmetadatacolumnnames.cs
- SimplePropertyEntry.cs
- EventMappingSettingsCollection.cs
- PartialCachingControl.cs
- WmlCalendarAdapter.cs
- XmlChildNodes.cs
- Context.cs
- ObjectAssociationEndMapping.cs
- FloatMinMaxAggregationOperator.cs
- SocketInformation.cs
- DesignerAttribute.cs
- XmlWriterSettings.cs
- CuspData.cs
- XmlParserContext.cs
- StylusPlugInCollection.cs
- DoubleSumAggregationOperator.cs
- ListViewInsertionMark.cs
- TableDetailsRow.cs
- SoapProtocolReflector.cs
- OleDbTransaction.cs
- Processor.cs
- EventWaitHandle.cs
- DataGridColumnHeaderAutomationPeer.cs
- OnOperation.cs
- XmlTextReader.cs
- TableProviderWrapper.cs
- SqlPersistenceProviderFactory.cs
- XmlSchemaSubstitutionGroup.cs
- IdnMapping.cs
- TextDecorationCollection.cs
- SecurityAppliedMessage.cs
- XamlClipboardData.cs
- DataGridViewTopRowAccessibleObject.cs
- HealthMonitoringSectionHelper.cs
- XmlNodeComparer.cs
- PageThemeCodeDomTreeGenerator.cs
- ControlFilterExpression.cs
- WindowsListViewGroup.cs
- SqlTrackingService.cs
- XmlReturnWriter.cs
- KeyValuePairs.cs
- ThrowHelper.cs
- AuthenticateEventArgs.cs
- FileCodeGroup.cs
- datacache.cs
- DynamicValidator.cs
- ChangesetResponse.cs
- PartialTrustVisibleAssembliesSection.cs
- ScrollEvent.cs
- ItemAutomationPeer.cs
- DbConnectionStringBuilder.cs
- StructuralCache.cs
- AppSettingsReader.cs
- ProviderIncompatibleException.cs
- Win32SafeHandles.cs
- ProviderBase.cs
- SmiGettersStream.cs
- SizeValueSerializer.cs
- MailAddress.cs
- SimpleExpression.cs
- Brushes.cs
- CodeMemberProperty.cs
- SharedPersonalizationStateInfo.cs
- StorageComplexPropertyMapping.cs
- ConstructorBuilder.cs
- ContextMenuStripGroupCollection.cs
- RadioButtonAutomationPeer.cs
- Label.cs
- PropertyTabAttribute.cs
- XhtmlConformanceSection.cs
- ReliabilityContractAttribute.cs
- RijndaelManagedTransform.cs
- ReflectionUtil.cs
- WebPartDisplayModeEventArgs.cs
- DataGridViewButtonColumn.cs
- ResolveCriteriaApril2005.cs
- StylusPlugin.cs
- PeerNameRecordCollection.cs
- KeyNotFoundException.cs
- HttpPostProtocolReflector.cs
- UserControlBuildProvider.cs
- CustomAttributeBuilder.cs
- StoryFragments.cs
- OleDbEnumerator.cs
- HMACSHA1.cs