Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / 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
- PartitionResolver.cs
- WebReferenceOptions.cs
- XmlSchema.cs
- ISAPIRuntime.cs
- ChunkedMemoryStream.cs
- ConnectionStringSettings.cs
- Image.cs
- AsymmetricCryptoHandle.cs
- WaitForChangedResult.cs
- WebResourceAttribute.cs
- CurrencyWrapper.cs
- Stacktrace.cs
- AutoResizedEvent.cs
- RangeBaseAutomationPeer.cs
- DialogResultConverter.cs
- sqlpipe.cs
- XmlSchemaComplexContentExtension.cs
- ToolStripDropDownClosedEventArgs.cs
- SystemNetHelpers.cs
- NamedPipeProcessProtocolHandler.cs
- CustomValidator.cs
- MonitorWrapper.cs
- ResourceReferenceExpressionConverter.cs
- HwndSource.cs
- TrustManager.cs
- DataGridViewLinkColumn.cs
- ConfigurationManager.cs
- ArrayElementGridEntry.cs
- SystemResources.cs
- CallSiteBinder.cs
- WebBrowserContainer.cs
- GatewayIPAddressInformationCollection.cs
- TdsRecordBufferSetter.cs
- EventKeyword.cs
- SHA256Managed.cs
- DataObjectPastingEventArgs.cs
- CodeStatementCollection.cs
- SequentialUshortCollection.cs
- ObjectReaderCompiler.cs
- UmAlQuraCalendar.cs
- OutputChannelBinder.cs
- EntityObject.cs
- ClientRolePrincipal.cs
- DataGridViewElement.cs
- Menu.cs
- DeclaredTypeElement.cs
- CompatibleComparer.cs
- EntityRecordInfo.cs
- SystemIPv4InterfaceProperties.cs
- PersonalizablePropertyEntry.cs
- ComponentEditorPage.cs
- DataGridCellItemAutomationPeer.cs
- Metadata.cs
- MessagePropertyFilter.cs
- ActivityAction.cs
- TextEditorTyping.cs
- TextBlock.cs
- ConfigurationPropertyAttribute.cs
- Imaging.cs
- DataGridViewCellLinkedList.cs
- ValidationPropertyAttribute.cs
- ResourcesBuildProvider.cs
- HtmlInputImage.cs
- datacache.cs
- NamespaceImport.cs
- ScrollEvent.cs
- BaseAsyncResult.cs
- CultureInfo.cs
- DesignerAutoFormatCollection.cs
- Pens.cs
- InfoCardAsymmetricCrypto.cs
- SymbolTable.cs
- HtmlAnchor.cs
- ResourcePool.cs
- AddressAccessDeniedException.cs
- Effect.cs
- CoreSwitches.cs
- OleDbError.cs
- MediaPlayer.cs
- ExceptionUtil.cs
- PeerToPeerException.cs
- AutoResizedEvent.cs
- ViewStateModeByIdAttribute.cs
- DecoderExceptionFallback.cs
- XhtmlBasicPhoneCallAdapter.cs
- HostedElements.cs
- printdlgexmarshaler.cs
- DllNotFoundException.cs
- ReadWriteObjectLock.cs
- Tokenizer.cs
- XmlName.cs
- SHA384.cs
- AggregateNode.cs
- PageWrapper.cs
- MsmqIntegrationSecurity.cs
- SoapConverter.cs
- KnownBoxes.cs
- TextEditorLists.cs
- PrintingPermissionAttribute.cs
- HelpEvent.cs