Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / ManagedLibraries / Remoting / Channels / TCP / TcpClientSocketManager.cs / 1305376 / TcpClientSocketManager.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //========================================================================== // File: TcpClientSocketManager.cs // // Summary: Class for managing a socket connection. // //========================================================================= using System; using System.Collections; using System.IO; using System.Net; using System.Net.Sockets; using System.Runtime.Remoting.Messaging; using System.Text; using System.Threading; using System.Globalization; namespace System.Runtime.Remoting.Channels.Tcp { // A client socket manager instance should encapsulate the socket // for the purpose of reading a response internal class TcpClientSocketHandler : TcpSocketHandler { // prebaked bytes private static byte[] s_endOfLineBytes = Encoding.ASCII.GetBytes("\r\n"); private String _machinePortAndSid; // "machineName:port:Sid" // connection state information private bool _bOneWayRequest = false; // was the request made OneWay? private bool _bChunked; private int _contentLength; private Stream _requestStream; // the request stream that we return from GetRequestStream() private TcpReadingStream _responseStream; // the stream that we returned from GetResponseStream() private TcpClientTransportSink _sink = null; public TcpClientSocketHandler(Socket socket, String machinePortAndSid, Stream stream, TcpClientTransportSink sink) : base(socket, stream) { _machinePortAndSid = machinePortAndSid; _sink = sink; } // TcpClientSocketHandler // Prepare for reading a new request off of the same socket protected override void PrepareForNewMessage() { _requestStream = null; _responseStream = null; } // PrepareForNewRequest public override void OnInputStreamClosed() { // make sure we read to the end of the response stream if (_responseStream != null) { _responseStream.ReadToEnd(); _responseStream = null; } // return socket to the cache ReturnToCache(); } // OnInputStreamClosed public BaseTransportHeaders ReadHeaders() { BaseTransportHeaders headers = new BaseTransportHeaders(); UInt16 operation; ReadVersionAndOperation(out operation); // At this point, we're always expecting a Reply, so check for that. if (operation != TcpOperations.Reply) { throw new RemotingException( String.Format( CultureInfo.CurrentCulture, CoreChannel.GetResourceString("Remoting_Tcp_ExpectingReplyOp"), operation.ToString(CultureInfo.CurrentCulture))); } // content length must come next (may be chunked or a specific length) ReadContentLength(out _bChunked, out _contentLength); // read to end of headers ReadToEndOfHeaders(headers); return headers; } // ReadHeaders public Stream GetRequestStream(IMessage msg, int contentLength, ITransportHeaders headers) { IMethodCallMessage mcm = (IMethodCallMessage)msg; String uri = mcm.Uri; _bOneWayRequest = RemotingServices.IsOneWay(mcm.MethodBase); ChunkedMemoryStream headerStream = new ChunkedMemoryStream(CoreChannel.BufferPool); // output preamble and version WritePreambleAndVersion(headerStream); // output opcode if (!_bOneWayRequest) WriteUInt16(TcpOperations.Request, headerStream); else WriteUInt16(TcpOperations.OneWayRequest, headerStream); // output content delimiter style WriteUInt16(TcpContentDelimiter.ContentLength, headerStream); WriteInt32(contentLength, headerStream); // output request uri WriteUInt16(TcpHeaders.RequestUri, headerStream); WriteByte(TcpHeaderFormat.CountedString, headerStream); WriteCountedString(uri, headerStream); // output rest of headers WriteHeaders(headers, headerStream); headerStream.WriteTo(NetStream); headerStream.Close(); _requestStream = NetStream; return _requestStream; } // GetRequestStream public void SendRequest(IMessage msg, ITransportHeaders headers, Stream contentStream) { int requestLength = (int)contentStream.Length; GetRequestStream(msg, requestLength, headers); StreamHelper.CopyStream(contentStream, NetStream); contentStream.Close(); } // SendRequest public Stream GetResponseStream() { if (!_bChunked) _responseStream = new TcpFixedLengthReadingStream(this, _contentLength); else _responseStream = new TcpChunkedReadingStream(this); return _responseStream; } // GetResponseStream public bool OneWayRequest { get { return _bOneWayRequest; } } public void ReturnToCache() { _sink.ClientSocketCache.ReleaseSocket( _machinePortAndSid, this); } } // TcpClientSocketHandler } // namespace System.Runtime.Remoting.Channels // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //========================================================================== // File: TcpClientSocketManager.cs // // Summary: Class for managing a socket connection. // //========================================================================= using System; using System.Collections; using System.IO; using System.Net; using System.Net.Sockets; using System.Runtime.Remoting.Messaging; using System.Text; using System.Threading; using System.Globalization; namespace System.Runtime.Remoting.Channels.Tcp { // A client socket manager instance should encapsulate the socket // for the purpose of reading a response internal class TcpClientSocketHandler : TcpSocketHandler { // prebaked bytes private static byte[] s_endOfLineBytes = Encoding.ASCII.GetBytes("\r\n"); private String _machinePortAndSid; // "machineName:port:Sid" // connection state information private bool _bOneWayRequest = false; // was the request made OneWay? private bool _bChunked; private int _contentLength; private Stream _requestStream; // the request stream that we return from GetRequestStream() private TcpReadingStream _responseStream; // the stream that we returned from GetResponseStream() private TcpClientTransportSink _sink = null; public TcpClientSocketHandler(Socket socket, String machinePortAndSid, Stream stream, TcpClientTransportSink sink) : base(socket, stream) { _machinePortAndSid = machinePortAndSid; _sink = sink; } // TcpClientSocketHandler // Prepare for reading a new request off of the same socket protected override void PrepareForNewMessage() { _requestStream = null; _responseStream = null; } // PrepareForNewRequest public override void OnInputStreamClosed() { // make sure we read to the end of the response stream if (_responseStream != null) { _responseStream.ReadToEnd(); _responseStream = null; } // return socket to the cache ReturnToCache(); } // OnInputStreamClosed public BaseTransportHeaders ReadHeaders() { BaseTransportHeaders headers = new BaseTransportHeaders(); UInt16 operation; ReadVersionAndOperation(out operation); // At this point, we're always expecting a Reply, so check for that. if (operation != TcpOperations.Reply) { throw new RemotingException( String.Format( CultureInfo.CurrentCulture, CoreChannel.GetResourceString("Remoting_Tcp_ExpectingReplyOp"), operation.ToString(CultureInfo.CurrentCulture))); } // content length must come next (may be chunked or a specific length) ReadContentLength(out _bChunked, out _contentLength); // read to end of headers ReadToEndOfHeaders(headers); return headers; } // ReadHeaders public Stream GetRequestStream(IMessage msg, int contentLength, ITransportHeaders headers) { IMethodCallMessage mcm = (IMethodCallMessage)msg; String uri = mcm.Uri; _bOneWayRequest = RemotingServices.IsOneWay(mcm.MethodBase); ChunkedMemoryStream headerStream = new ChunkedMemoryStream(CoreChannel.BufferPool); // output preamble and version WritePreambleAndVersion(headerStream); // output opcode if (!_bOneWayRequest) WriteUInt16(TcpOperations.Request, headerStream); else WriteUInt16(TcpOperations.OneWayRequest, headerStream); // output content delimiter style WriteUInt16(TcpContentDelimiter.ContentLength, headerStream); WriteInt32(contentLength, headerStream); // output request uri WriteUInt16(TcpHeaders.RequestUri, headerStream); WriteByte(TcpHeaderFormat.CountedString, headerStream); WriteCountedString(uri, headerStream); // output rest of headers WriteHeaders(headers, headerStream); headerStream.WriteTo(NetStream); headerStream.Close(); _requestStream = NetStream; return _requestStream; } // GetRequestStream public void SendRequest(IMessage msg, ITransportHeaders headers, Stream contentStream) { int requestLength = (int)contentStream.Length; GetRequestStream(msg, requestLength, headers); StreamHelper.CopyStream(contentStream, NetStream); contentStream.Close(); } // SendRequest public Stream GetResponseStream() { if (!_bChunked) _responseStream = new TcpFixedLengthReadingStream(this, _contentLength); else _responseStream = new TcpChunkedReadingStream(this); return _responseStream; } // GetResponseStream public bool OneWayRequest { get { return _bOneWayRequest; } } public void ReturnToCache() { _sink.ClientSocketCache.ReleaseSocket( _machinePortAndSid, this); } } // TcpClientSocketHandler } // namespace System.Runtime.Remoting.Channels // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PropertyTab.cs
- DataExpression.cs
- LambdaCompiler.Address.cs
- WeakRefEnumerator.cs
- StringConcat.cs
- ClientRoleProvider.cs
- Freezable.cs
- _LoggingObject.cs
- WinHttpWebProxyFinder.cs
- EventDrivenDesigner.cs
- __Error.cs
- XsdBuilder.cs
- followingquery.cs
- ObjectManager.cs
- AsyncOperationManager.cs
- RtType.cs
- RuntimeWrappedException.cs
- ListView.cs
- DispatchWrapper.cs
- IntAverageAggregationOperator.cs
- HttpClientProtocol.cs
- AnimationStorage.cs
- VectorKeyFrameCollection.cs
- DbReferenceCollection.cs
- LogEntrySerializer.cs
- DataControlFieldCollection.cs
- AuthenticationModuleElementCollection.cs
- ErrorFormatterPage.cs
- PasswordDeriveBytes.cs
- AutoGeneratedField.cs
- RootBuilder.cs
- Button.cs
- FindCriteria11.cs
- OneOfElement.cs
- CanonicalFontFamilyReference.cs
- CharEntityEncoderFallback.cs
- EmptyQuery.cs
- OpenFileDialog.cs
- BlockCollection.cs
- ConfigurationStrings.cs
- CodeMemberProperty.cs
- DBCommandBuilder.cs
- SizeF.cs
- ImageIndexEditor.cs
- TargetControlTypeAttribute.cs
- ParsedAttributeCollection.cs
- TimeoutException.cs
- TypeHelpers.cs
- RowTypePropertyElement.cs
- RuntimeConfigurationRecord.cs
- WindowManager.cs
- TimersDescriptionAttribute.cs
- DataGridParentRows.cs
- MimePart.cs
- MarshalByValueComponent.cs
- FontFaceLayoutInfo.cs
- UntypedNullExpression.cs
- UnmanagedHandle.cs
- MetaModel.cs
- XpsFontSerializationService.cs
- CurrentTimeZone.cs
- HttpResponse.cs
- QueryValue.cs
- Pen.cs
- XMLSchema.cs
- PageRequestManager.cs
- InvalidDataException.cs
- CompiledXpathExpr.cs
- DataGridViewImageCell.cs
- SessionIDManager.cs
- DesignTimeResourceProviderFactoryAttribute.cs
- _SslStream.cs
- CultureTable.cs
- GeometryGroup.cs
- TaiwanLunisolarCalendar.cs
- AssemblyInfo.cs
- shaperfactoryquerycacheentry.cs
- SmtpReplyReaderFactory.cs
- JavaScriptObjectDeserializer.cs
- TryCatchDesigner.xaml.cs
- Documentation.cs
- DataRecordInternal.cs
- Variant.cs
- StatusStrip.cs
- InstanceKeyView.cs
- HttpContext.cs
- QueryUtil.cs
- ReflectionServiceProvider.cs
- DocumentPageView.cs
- RelatedView.cs
- DaylightTime.cs
- ApplicationTrust.cs
- ObjectStateEntryDbUpdatableDataRecord.cs
- ValueExpressions.cs
- TextEditorSpelling.cs
- FileDataSourceCache.cs
- TypeLibConverter.cs
- ProcessingInstructionAction.cs
- DBParameter.cs
- ValueType.cs