/// <summary>
/// Collects expired elements.
/// </summary>
/// <param name="collectedHosts">The collected items.</param>
/// <param name="now">The current moment.</param>
private void CollectExpiredHostInformation(ArrayList collectedHosts, int now)
{
#if DEBUG
if (GenuineUtility.IsDebuggingModeEnabled)
{
return;
}
#endif
lock (this.SyncRoot)
{
// by all uris
foreach (DictionaryEntry entry in this._hashtable)
{
ArrayList arrayList = (ArrayList)entry.Value;
// all available hosts
for (int i = 0; i < arrayList.Count;)
{
HostInformation hostInformation = (HostInformation)arrayList[i];
if (GenuineUtility.IsTimeoutExpired(hostInformation.ExpireTime, now) || hostInformation.IsDisposed)
{
collectedHosts.Add(hostInformation);
arrayList.RemoveAt(i);
continue;
}
i++;
}
}
}
}
/// <summary>
/// Sends the content to the specified remote host and returns a response sent by the remote
/// host in reply.
/// </summary>
/// <param name="destination">The remote host.</param>
/// <param name="serviceName">The name of the service.</param>
/// <param name="content">The content.</param>
/// <returns>The response.</returns>
public Stream SendSync(HostInformation destination, string serviceName, Stream content)
{
// create the message
Message message = new Message(this.ITransportContext, destination, 0, new TransportHeaders(), content);
message.IsSynchronous = true;
message.GenuineMessageType = GenuineMessageType.ExternalStreamConsumer;
message.DestinationMarshalByRef = serviceName;
// register the response catcher
SyncResponseProcessorWithEvent syncResponseProcessorWithEvent = new SyncResponseProcessorWithEvent(message);
this.ITransportContext.IIncomingStreamHandler.RegisterResponseProcessor(message.MessageId, syncResponseProcessorWithEvent);
// and send the message
this.ITransportContext.ConnectionManager.Send(message);
int timeSpanInMilliseconds = GenuineUtility.GetMillisecondsLeft(message.FinishTime);
if (timeSpanInMilliseconds <= 0)
{
throw GenuineExceptions.Get_Send_ServerDidNotReply();
}
if (!syncResponseProcessorWithEvent.IsReceivedEvent.WaitOne(timeSpanInMilliseconds, false))
{
throw GenuineExceptions.Get_Send_ServerDidNotReply();
}
if (syncResponseProcessorWithEvent.DispatchedException != null)
{
throw OperationException.WrapException(syncResponseProcessorWithEvent.DispatchedException);
}
return(syncResponseProcessorWithEvent.Response.Stream);
}
/// <summary>
/// Releases expired streams.
/// </summary>
public void TimerCallback()
{
int now = GenuineUtility.TickCount;
int releaseAfter = GenuineUtility.ConvertToMilliseconds(this.ITransportContext.IParameterProvider[GenuineParameter.UdpAssembleTimeSpan]);
lock (this._streams.SyncRoot)
{
// gather expired stream
ArrayList itemsDeleted = new ArrayList();
foreach (DictionaryEntry entry in this._streams)
{
StreamAssembled streamAssembled = (StreamAssembled)entry.Value;
if (GenuineUtility.IsTimeoutExpired(streamAssembled.Started + releaseAfter, now) &&
!streamAssembled.IsProcessed)
{
itemsDeleted.Add(entry.Key);
streamAssembled.Close();
}
}
// and remove them
foreach (object key in itemsDeleted)
{
this._streams.Remove(key);
}
}
}
/// <summary>
/// Constructs an instance of the UdpConnectionManager class.
/// </summary>
/// <param name="iTransportContext">The transport context.</param>
public UdpConnectionManager(ITransportContext iTransportContext) : base(iTransportContext)
{
this.Local = new HostInformation("_gudp://" + iTransportContext.HostIdentifier, iTransportContext);
this._sendBuffer = new byte[(int)iTransportContext.IParameterProvider[GenuineParameter.UdpPacketSize]];
TimerProvider.Attach(this);
this._closeInvocationConnectionAfterInactivity = GenuineUtility.ConvertToMilliseconds(iTransportContext.IParameterProvider[GenuineParameter.CloseInvocationConnectionAfterInactivity]);
}
/// <summary>
/// Constructs an instance of the SharedMemoryConnectionManager class.
/// </summary>
/// <param name="iTransportContext">The transport context.</param>
public SharedMemoryConnectionManager(ITransportContext iTransportContext) : base(iTransportContext)
{
this._sendTimeoutSpan = GenuineUtility.ConvertToMilliseconds(iTransportContext.IParameterProvider[GenuineParameter.SMSendTimeout]);
this.Local = new HostInformation("_gshmem://" + iTransportContext.HostIdentifier, iTransportContext);
TimerProvider.Attach(this);
}
/// <summary>
/// Establishes Connection Level Security Session and gather their output into specified stream.
/// </summary>
/// <param name="senderInput">The input stream.</param>
/// <param name="listenerInput">The input stream.</param>
/// <param name="output">The output stream.</param>
/// <param name="sender">The sender's Security Session.</param>
/// <param name="listener">The listener's Security Session.</param>
/// <returns>True if at least one Security Session requested sending of data.</returns>
public bool GatherContentOfConnectionLevelSecuritySessions(Stream senderInput, Stream listenerInput, GenuineChunkedStream output, SecuritySession sender, SecuritySession listener)
{
bool clssDataPresents = false;
Stream clsseStream;
// CLSSE info
using (new GenuineChunkedStreamSizeLabel(output))
{
if (sender != null && !sender.IsEstablished)
{
clsseStream = sender.EstablishSession(senderInput, true);
if (clsseStream != null)
{
clssDataPresents = true;
GenuineUtility.CopyStreamToStream(clsseStream, output);
}
}
}
// CLSSE info
using (new GenuineChunkedStreamSizeLabel(output))
{
if (listener != null && !listener.IsEstablished)
{
clsseStream = listener.EstablishSession(listenerInput, true);
if (clsseStream != null)
{
clssDataPresents = true;
GenuineUtility.CopyStreamToStream(clsseStream, output);
}
}
}
return(clssDataPresents);
}
/// <summary>
/// Ensures that the file is opened. Opens the file if necessary.
/// </summary>
private void CheckThatCorrectFileIsOpened()
{
try
{
DateTime now = DateTime.Today;
if ((this._lastDateTimeValue != now || _fileStream == null) && GenuineUtility.IsTimeoutExpired(nextTry))
{
if (this._fileStream != null)
{
this._fileStream.Close();
}
this._lastDateTimeValue = DateTime.Today;
string filename = this._baseFileName;
if (this._addSuffixToBaseFileName)
{
filename += "." + this._lastDateTimeValue.ToString("yyyy-MM-dd") + ".genchlog";
}
this._fileStream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Read);
this._fileStream.Seek(0, SeekOrigin.End);
}
}
catch
{
this._fileStream = null;
nextTry = GenuineUtility.GetTimeout(15000);
}
}
/// <summary>
/// Gets information about the remote host.
/// Automatically creates and initializes a new instance of the HostInformation class when
/// it is necessary.
/// </summary>
public HostInformation this[string uri]
{
get
{
lock (this.SyncRoot)
{
HostInformation hostInformation = this.Get(uri);
if (hostInformation == null)
{
hostInformation = new HostInformation(uri, this.ITransportContext);
this.UpdateHost(uri, hostInformation);
// set a reasonable start up lifetime property value
int expiration = GenuineUtility.ConvertToMilliseconds(this.ITransportContext.IParameterProvider[GenuineParameter.ConnectTimeout]);
hostInformation.Renew(expiration, true);
// LOG:
BinaryLogWriter binaryLogWriter = GenuineLoggingServices.BinaryLogWriter;
if (binaryLogWriter != null && binaryLogWriter[LogCategory.HostInformation] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.HostInformation, "KnownHosts.this[string]",
LogMessageType.HostInformationCreated, null, null, hostInformation,
null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"The HostInformation has been created for the remote host: {0}.", uri);
}
}
return(hostInformation);
}
}
}
/// <summary>
/// Encrypts the message data and put a result into the specified output stream.
/// </summary>
/// <param name="input">The stream containing the serialized message.</param>
/// <param name="output">The result stream with the data being sent to the remote host.</param>
public override void Encrypt(Stream input, GenuineChunkedStream output)
{
#if DEBUG
input.Position = 0;
#endif
output.WriteByte(1);
lock (this)
{
// write encrypted content
if (this._encryptor != null)
{
GenuineUtility.CopyStreamToStream(new CryptoStream(new FinishReadingStream(input), this._encryptor, CryptoStreamMode.Read), output);
}
else
{
output.WriteStream(input);
}
if (this.KeyedHashAlgorithm != null)
{
// and write down the calculated message hash
input.Position = 0;
output.WriteBuffer(this.KeyedHashAlgorithm.ComputeHash(input), -1);
// it's in the content, reset its position
if (this._encryptor == null)
{
input.Position = 0;
}
}
}
}
/// <summary>
/// Checks whether the timeout has expired.
/// </summary>
public void TimerCallback()
{
lock (this)
{
if (this._isCompleted || this._isAborted)
{
return;
}
if (GenuineUtility.IsTimeoutExpired(this._timeoutExpiresAt))
{
// TODO: remove this
// LOG:
BinaryLogWriter binaryLogWriter = GenuineLoggingServices.BinaryLogWriter;
if (binaryLogWriter != null)
{
binaryLogWriter.WriteEvent(LogCategory.Debugging, "HttpWebRequestCop.TimerCallback",
LogMessageType.DebuggingWarning, null, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name, null, null,
-1,
0, 0, 0, null, null, null, null,
"Stopping the web request.");
}
this._isAborted = true;
this._httpWebRequest.Abort();
}
}
}
/// <summary>
/// Makes message up from the IMessage.
/// </summary>
/// <param name="iTransportContext">The Transport Context.</param>
/// <param name="iMessage">IMessage to make the message up from.</param>
/// <param name="iTransportHeaders">Trasport headers.</param>
/// <param name="stream">Message body.</param>
/// <param name="isSynchronous">True if the invocation is synchronous.</param>
/// <returns>An instance of the Message class.</returns>
public static Message CreateOutcomingMessage(ITransportContext iTransportContext, IMessage iMessage, ITransportHeaders iTransportHeaders, Stream stream, bool isSynchronous)
{
// when microsoft guys start caring about detailed .NET remoting documentation???
string url = (string)iMessage.Properties["__Uri"];
string objectURI;
string channelUri = GenuineUtility.Parse(url, out objectURI);
if (objectURI == null)
{
objectURI = url; // not well-known object
}
iTransportHeaders[TransportHeaderName_RemoteObjectUri] = objectURI;
Message message = new Message(iTransportContext, null, 0, iTransportHeaders, stream);
message.IMessage = iMessage;
message.IsSynchronous = isSynchronous;
if (iTransportHeaders[Message.TransportHeadersGenuineMessageType] != null)
{
message.GenuineMessageType = (GenuineMessageType)iTransportHeaders[Message.TransportHeadersGenuineMessageType];
}
return(message);
}
/// <summary>
/// Puts down a structure describing the specified message.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="isSent">Whether it will be executed on a remote host.</param>
/// <param name="invocationTarget">The target of the invocation.</param>
/// <param name="methodName">The name of the method.</param>
private void WriteMessage(Message message, bool isSent, string invocationTarget, string methodName)
{
this.BinaryWriter.Write((int)message.SeqNo);
this.BinaryWriter.Write((int)message.MessageId);
this.BinaryWriter.Write((int)message.ReplyToId);
this.BinaryWriter.Write((bool)isSent);
this.BinaryWriter.Write((bool)message.IsOneWay);
this.BinaryWriter.Write((bool)message.IsSynchronous);
this.BinaryWriter.Write((int)message.GenuineMessageType);
this.BinaryWriter.Write((int)GenuineUtility.GetMillisecondsLeft(message.FinishTime));
this.WriteString(invocationTarget);
this.WriteString(methodName);
// the size of the message
if (message.Stream != null && message.Stream.CanSeek)
{
try
{
this.BinaryWriter.Write((int)message.Stream.Length);
}
catch
{
this.BinaryWriter.Write((int)0);
}
}
else
{
this.BinaryWriter.Write((int)0);
}
}
/// <summary>
/// Initiates sending of the specified HTTP request.
/// </summary>
/// <param name="connectionInfo">The connection.</param>
/// <param name="stream">The content of the request.</param>
/// <param name="timeout">The timeout of the operation.</param>
private void InitiateSending(ConnectionInfo connectionInfo, Stream stream, int timeout)
{
Stream requestStream = null;
try
{
// try to send it
connectionInfo.HttpWebRequest.ContentLength = stream.Length;
requestStream = connectionInfo.HttpWebRequest.GetRequestStream();
#if DEBUG
byte[] content = new byte[(int)stream.Length];
GenuineUtility.ReadDataFromStream(stream, content, 0, content.Length);
// this.ITransportContext.IEventLogger.Log(LogMessageCategory.TransportLayer, null, "HttpInvocationConnection.InitiateSending",
// content, "The content of the request sent by the client application. Size: {0}.", stream.Length);
stream = new MemoryStream(content);
#endif
GenuineUtility.CopyStreamToStream(stream, requestStream, (int)stream.Length);
//connectionInfo.HttpWebRequest.BeginGetResponse(this._asyncCallback_onRequestCompleted, connectionInfo);
HttpWebRequestCop webRequestCop = new HttpWebRequestCop(connectionInfo.HttpWebRequest, this._asyncCallback_onRequestCompleted, connectionInfo, this._httpAsynchronousRequestTimeout);
}
finally
{
if (requestStream != null)
{
requestStream.Close();
}
}
}
/// <summary>
/// Renews the Security Session life time.
/// The first call of this method is always reset the lifetime value to the specified value.
/// </summary>
/// <param name="timeSpan">A time period to renew all host-related information.</param>
/// <param name="canMakeShorter">Indicates whether this call may reduce the host expiration time.</param>
public void Renew(int timeSpan, bool canMakeShorter)
{
if (this._firstRenewing)
{
this._firstRenewing = false;
canMakeShorter = true;
}
lock (this.DisposeLock)
{
if (this.IsDisposed)
{
throw OperationException.WrapException(this.DisposeReason);
}
lock (this._accessToLocalMembers)
{
int proposedTime = GenuineUtility.GetTimeout(timeSpan);
if (canMakeShorter || GenuineUtility.IsTimeoutExpired(this._expireTime, proposedTime))
{
this._expireTime = proposedTime;
}
}
}
}
/// <summary>
/// Encrypts the message data and put a result into the specified output stream.
/// </summary>
/// <param name="input">The stream containing the serialized message.</param>
/// <param name="output">The result stream with the data being sent to the remote host.</param>
public override void Encrypt(Stream input, GenuineChunkedStream output)
{
// there are two good approaches here: either encrypt the stream directly into the target
lock (this._encryptor)
GenuineUtility.CopyStreamToStream(new CryptoStream(new FinishReadingStream(input), this._encryptor, CryptoStreamMode.Read), output);
// or create separate encryptor instance for encrypting at run-time
// stream.WriteStream(new ResettableCryptoStream(input, this.SymmetricAlgorithm.CreateEncryptor()));
}
/// <summary>
/// Sends a message synchronously. Does not process exceptions!
/// </summary>
/// <param name="content">The content being sent to the remote host.</param>
/// <param name="timeout">The sending must be completed before this moment.</param>
public void LowLevel_SendSync(Stream content, int timeout)
{
// apply the connection-level security session
if (this.ConnectionLevelSecurity != null)
{
GenuineChunkedStream outputStream = new GenuineChunkedStream(true);
this.ConnectionLevelSecurity.Encrypt(content, outputStream);
content = outputStream;
}
for ( ; ;)
{
if (!this.IsValid)
{
throw GenuineExceptions.Get_Processing_TransportConnectionFailed();
}
if (!GenuineUtility.WaitOne(_namedEventRemoteReadCompleted.ManualResetEvent, GenuineUtility.GetMillisecondsLeft(timeout)))
{
throw GenuineExceptions.Get_Send_Timeout();
}
if (this._closed != 0)
{
throw GenuineExceptions.Get_Receive_ConnectionClosed();
}
this._namedEventRemoteReadCompleted.ManualResetEvent.Reset();
// read the next portion
int bytesRead = content.Read(this._sendBuffer, 0, this._sendSpaceSize);
// LOG:
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
if (binaryLogWriter != null && binaryLogWriter[LogCategory.LowLevelTransport] > 0)
{
binaryLogWriter.WriteTransportContentEvent(LogCategory.LowLevelTransport, "GenuineSaredMemoryConnection.LowLevel_SendSync",
LogMessageType.LowLevelTransport_AsyncSendingInitiating, null, null, this.Remote,
binaryLogWriter[LogCategory.LowLevelTransport] > 1 ? new MemoryStream(this._sendBuffer, 0, bytesRead) : null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
this.DbgConnectionId, bytesRead,
null, null, null,
"Content sending.");
}
Marshal.Copy(this._sendBuffer, 0,
(IntPtr)(this._pointer.ToInt32() + this._sendOffset + SHARE_CONTENT_OFFSET),
bytesRead);
this._MessageToSendTotalSize = bytesRead;
this._MessageToSendFinishFlag = bytesRead < this._sendSpaceSize ? 1 : 0;
this._namedEventWriteCompleted.ManualResetEvent.Set();
if (bytesRead < this._sendSpaceSize)
{
this.UpdateLastTimeAMessageWasSent();
return;
}
}
}
/// <summary>
/// Writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written.
/// </summary>
/// <param name="buffer">An array of bytes.</param>
/// <param name="offset">The zero-based byte offset in buffer at which to begin copying bytes to the current stream.</param>
/// <param name="count">The number of bytes to be written to the current stream.</param>
public override void Write(byte[] buffer, int offset, int count)
{
BinaryLogWriter binaryLogWriter = this._remote.ITransportContext.BinaryLogWriter;
try
{
while (count > 0)
{
int milliseconds = GenuineUtility.GetMillisecondsLeft(this._writeTimeout);
if (milliseconds <= 0)
{
throw GenuineExceptions.Get_Send_Timeout();
}
this._socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, milliseconds);
int bytesSent = this._socket.Send(buffer, offset, count, SocketFlags.None);
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.LowLevelTransport] > 0)
{
binaryLogWriter.WriteTransportContentEvent(LogCategory.LowLevelTransport, "SyncSocketWritingStream.Write",
LogMessageType.LowLevelTransport_SyncSendingCompleted, null, null, this._remote,
binaryLogWriter[LogCategory.LowLevelTransport] > 1 ? new MemoryStream(GenuineUtility.CutOutBuffer(buffer, offset, count)) : null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
this._dbgConnectionId, count, this._socket.RemoteEndPoint.ToString(),
null, null,
"Immediately after Socket.Send(). Size: {0}. Sent: {1}.", count, bytesSent);
}
if (bytesSent == 0)
{
throw GenuineExceptions.Get_Send_TransportProblem();
}
offset += bytesSent;
count -= bytesSent;
this._connectionManager.IncreaseBytesSent(bytesSent);
}
}
catch (Exception ex)
{
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.LowLevelTransport] > 0)
{
binaryLogWriter.WriteTransportContentEvent(LogCategory.LowLevelTransport, "SyncSocketWritingStream.Write",
LogMessageType.LowLevelTransport_SyncSendingCompleted, ex, null, this._remote,
binaryLogWriter[LogCategory.LowLevelTransport] > 1 ? new MemoryStream(GenuineUtility.CutOutBuffer(buffer, offset, count)) : null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
this._dbgConnectionId, count, null, null, null,
"Socket.Send(); ERROR.");
}
throw GenuineExceptions.Get_Send_TransportProblem();
}
}
/// <summary>
/// Attaches the client.
/// </summary>
/// <param name="nickname">Nickname.</param>
public void AttachClient(string nickname)
{
string receiverUri = GenuineUtility.FetchCurrentRemoteUri() + "/MessageReceiver.rem";
IMessageReceiver iMessageReceiver = (IMessageReceiver)Activator.GetObject(typeof(IMessageReceiver), receiverUri);
this._dispatcher.Add((MarshalByRefObject)iMessageReceiver);
GenuineUtility.CurrentSession["Nickname"] = nickname;
Console.WriteLine("Client with nickname \"{0}\" has been registered.", nickname);
}
/// <summary>
/// Reads settings.
/// </summary>
/// <param name="properties">Settings container to read from.</param>
protected virtual void ReadSettings(IDictionary properties)
{
// retrieve settings
foreach (DictionaryEntry entry in properties)
{
if (string.Compare(entry.Key.ToString(), "name", true) == 0)
{
this._channelName = entry.Value.ToString();
}
if (string.Compare(entry.Key.ToString(), "priority", true) == 0)
{
this._channelPriority = GenuineUtility.SafeConvertToInt32(entry.Value, this._channelPriority);
}
if (string.Compare(entry.Key.ToString(), "prefix", true) == 0)
{
this._urlPrefix = entry.Value.ToString();
if (!this._urlPrefix.StartsWith("g") || this._urlPrefix.Length < 4 || this._urlPrefix.Length > 8)
{
GenuineExceptions.Get_Channel_InvalidParameter("prefix");
}
}
}
// enable compresion if such an option is specified
if ((bool)this.ITransportContext.IParameterProvider[GenuineParameter.Compression])
{
this.SecuritySessionParameters = SecuritySessionServices.DefaultContextWithCompression;
}
#if DEBUG
try
{
// enable logging
if (this.ITransportContext.IParameterProvider[GenuineParameter.EnableGlobalLoggingToFile] is string &&
((string)this.ITransportContext.IParameterProvider[GenuineParameter.EnableGlobalLoggingToFile]).Length > 0)
{
GenuineLoggingServices.SetUpLoggingToFile(this.ITransportContext.IParameterProvider[GenuineParameter.EnableGlobalLoggingToFile] as string,
this.ITransportContext.IParameterProvider[GenuineParameter.LoggingParameters] as string);
}
else if (this.ITransportContext.IParameterProvider[GenuineParameter.EnableGlobalLoggingToMemory] is int &&
((int)this.ITransportContext.IParameterProvider[GenuineParameter.EnableGlobalLoggingToMemory]) > 0)
{
GenuineLoggingServices.SetUpLoggingToMemory((int)this.ITransportContext.IParameterProvider[GenuineParameter.EnableGlobalLoggingToMemory],
this.ITransportContext.IParameterProvider[GenuineParameter.LoggingParameters] as string);
}
}
catch
{
}
#endif
}
/// <summary>
/// Initiates the HTTP web request.
/// </summary>
/// <param name="httpWebRequest">The HttpWebRequest.</param>
/// <param name="asyncCallback">The callback.</param>
/// <param name="state">The additional parameter to the request.</param>
/// <param name="timeoutSpan">The timeout of the operation.</param>
public HttpWebRequestCop(HttpWebRequest httpWebRequest, AsyncCallback asyncCallback, object state, int timeoutSpan)
{
this._httpWebRequest = httpWebRequest;
this._asyncCallback = asyncCallback;
this._state = state;
this._timeoutExpiresAt = GenuineUtility.GetTimeout(timeoutSpan);
// asyncCallback
this._httpWebRequest.BeginGetResponse(new AsyncCallback(this.HandleWebResponse), state);
TimerProvider.Attach(this);
}
/// <summary>
/// Sends the stream to the remote host.
/// </summary>
/// <param name="message">The message.</param>
public void SendMessage(Message message)
{
int availableConnectionEntry = 0;
HttpWebRequest httpWebRequest = null;
try
{
// serialize the message
GenuineChunkedStream stream = new GenuineChunkedStream(false);
using (BufferKeeper bufferKeeper = new BufferKeeper(0))
{
MessageCoder.FillInLabelledStream(message, null, null, stream, bufferKeeper.Buffer,
(int)this.ITransportContext.IParameterProvider[GenuineParameter.HttpRecommendedPacketSize]);
}
// add the header
GenuineChunkedStream resultStream = new GenuineChunkedStream(false);
BinaryWriter binaryWriter = new BinaryWriter(resultStream);
HttpMessageCoder.WriteRequestHeader(binaryWriter, MessageCoder.PROTOCOL_VERSION, GenuineConnectionType.Invocation, this.ITransportContext.BinaryHostIdentifier, HttpPacketType.Usual, message.MessageId, string.Empty, this.Remote.LocalHostUniqueIdentifier);
if (stream.CanSeek)
{
resultStream.WriteStream(stream);
}
else
{
GenuineUtility.CopyStreamToStream(stream, resultStream);
}
// get a connection
availableConnectionEntry = FindAvailableConnectionEntry();
httpWebRequest = this.InitializeRequest("__GC_INVC_" + availableConnectionEntry.ToString(), this._keepalive);
this.InitiateSending(new ConnectionInfo(httpWebRequest, availableConnectionEntry, message), resultStream,
this._httpAsynchronousRequestTimeout);
}
catch
{
try
{
if (httpWebRequest != null)
{
httpWebRequest.Abort();
}
}
catch
{
}
this.ReleaseConnectionEntry(availableConnectionEntry);
throw;
}
}
/// <summary>
/// Creates and returns a stream containing decrypted data.
/// </summary>
/// <param name="input">A stream containing encrypted data.</param>
/// <returns>A stream with decrypted data.</returns>
public override Stream Decrypt(Stream input)
{
// check on view whether it's session's packet
if (input.ReadByte() == 0)
{
// continue the Security Session establishing
Stream outputStream = this.EstablishSession(input, false);
if (outputStream != null)
{
GenuineThreadPool.QueueUserWorkItem(new WaitCallback(this.SendMessage), outputStream, false);
}
return(null);
}
lock (this)
{
GenuineChunkedStream output = new GenuineChunkedStream(false);
byte[] sign = null;
int signSize = 0;
if (this.KeyedHashAlgorithm != null)
{
signSize = this.KeyedHashAlgorithm.HashSize / 8;
}
// decrypt the content and fetch the sign
if (this._decryptor != null)
{
CryptoStream cryptoStream = new CryptoStream(new FinishReadingStream(output), this._decryptor, CryptoStreamMode.Write);
sign = GenuineUtility.CopyStreamToStreamExceptSign(input, cryptoStream, signSize);
cryptoStream.FlushFinalBlock();
}
else
{
sign = GenuineUtility.CopyStreamToStreamExceptSign(input, output, signSize);
}
// check the sign
if (this.KeyedHashAlgorithm != null)
{
if (!ZeroProofAuthorizationUtility.CompareBuffers(sign, this.KeyedHashAlgorithm.ComputeHash(output), sign.Length))
{
throw GenuineExceptions.Get_Security_WrongSignature();
}
output.Position = 0;
}
output.ReleaseOnReadMode = true;
return(output);
}
}
/// <summary>
/// Returns a channel message sink that delivers messages to the specified URL or channel data object.
/// </summary>
/// <param name="url">The url.</param>
/// <param name="remoteChannelData">The information associated with the channel.</param>
/// <param name="objectURI">The uri of the target.</param>
/// <returns>A channel message sink that delivers messages to the specified URL or channel data object.</returns>
public IMessageSink CreateMessageSink(string url, object remoteChannelData, out string objectURI)
{
objectURI = null;
string channelUri = null;
// if it's a well-known object
if (url == null && remoteChannelData is IChannelDataStore)
{
url = ((IChannelDataStore)remoteChannelData).ChannelUris[0];
}
if (url == null)
{
return(null);
}
// check whether we can service this url
string[] channelPrefixes = this._possibleChannelPrefixes;
int i = 0;
for ( ; i < channelPrefixes.Length; i++)
{
if (url.StartsWith(channelPrefixes[i]))
{
break;
}
}
// if the requested url wasn't recognized, it should be
// directed to another channel
if (i == channelPrefixes.Length)
{
return(null);
}
channelUri = GenuineUtility.Parse(url, out objectURI);
// if the provided URI is not registered at common URI Storage, nothing will be able
// to send anything there
// if it's registered, it does not matter whose sink services the connection.
if (!GenuineUtility.CheckUrlOnConnectivity(url) && UriStorage.GetTransportContext(channelUri) == null)
{
return(null);
}
if (channelUri == null)
{
return(null);
}
return(this._iClientChannelSinkProvider.CreateSink(this, url, remoteChannelData) as IMessageSink);
}
/// <summary>
/// Checks on whether the specified GUID has been registered before.
/// Automatically registers GUID if it wasn't registered.
/// </summary>
/// <param name="guid">The GUID to check.</param>
/// <returns>True if the specified GUID has been registered before.</returns>
public bool WasGuidRegistered(string guid)
{
lock (this)
{
if (_guids.Contains(guid))
{
return(true);
}
_guids[guid] = GenuineUtility.GetTimeout(_timeSpanToRememberCallInMilliseconds);
return(false);
}
}
/// <summary>
/// Creates and returns a stream containing decrypted data.
/// </summary>
/// <param name="input">A stream containing encrypted data.</param>
/// <returns>A stream with decrypted data.</returns>
public override Stream Decrypt(Stream input)
{
// the first approach
lock (this._decryptor)
{
GenuineChunkedStream output = new GenuineChunkedStream(true);
GenuineUtility.CopyStreamToStream(new CryptoStream(new FinishReadingStream(input), this._decryptor, CryptoStreamMode.Read), output);
return(output);
}
// the second approach
// return new CryptoStream(new FinishReadingStream(input), this.SymmetricAlgorithm.CreateDecryptor(), CryptoStreamMode.Read);
}
/// <summary>
/// Constructs an instance of the GenuineTcpClientTransportSink class.
/// </summary>
/// <param name="url">The Url of the remote object.</param>
/// <param name="iTransportContext">The transport context.</param>
public GenuineTcpClientTransportSink(string url, ITransportContext iTransportContext)
{
this.ITransportContext = iTransportContext;
string objectURI;
this._recipientUri = GenuineUtility.Parse(url, out objectURI);
this._properties["GC_URI"] = this._recipientUri;
this._properties["GC_TC"] = iTransportContext;
// it's rather a trick, but works well
this._properties["GC_TS"] = this;
}
/// <summary>
/// Encrypts the stream under current security conditions.
/// </summary>
/// <param name="messageStream">Data to be encrypted.</param>
/// <param name="outputStream">Stream to write encrypted content to.</param>
/// <param name="sspiFeatureFlags">Requested features.</param>
public void EncryptMessage(Stream messageStream, GenuineChunkedStream outputStream, SspiFeatureFlags sspiFeatureFlags)
{
// get package sizes
lock (_secPkgContext_SizesLock)
{
if (!_secPkgContext_SizesInitialized)
{
SspiApi.QueryContextSizes(this._phContext, ref this._secPkgContext_Sizes);
_secPkgContext_SizesInitialized = true;
}
}
byte[] chunk = null;
int position = 0;
BinaryWriter outputWriter = new BinaryWriter(outputStream);
if ((sspiFeatureFlags & SspiFeatureFlags.Encryption) != 0)
{
// it'll write signature automatically as well as encrypt content
SspiApi.EncryptMessage(this._phContext, messageStream, outputWriter, ref this._secPkgContext_Sizes);
}
else if ((sspiFeatureFlags & SspiFeatureFlags.Signing) != 0)
{
// remember position to write signature size later
outputStream.WriteInt32AndRememberItsLocation(0, out chunk, out position);
long currentLength = outputStream.Length;
// anyway will have to read this into buffer
byte[] contentBuffer = new byte[(int)messageStream.Length];
GenuineUtility.ReadDataFromStream(messageStream, contentBuffer, 0, contentBuffer.Length);
// write signature
SspiApi.MakeSignature(this._phContext, contentBuffer, outputWriter, ref this._secPkgContext_Sizes);
// update signature size
MessageCoder.WriteInt32(chunk, position, (int)(outputStream.Length - currentLength));
// write the content
outputWriter.Write((int)contentBuffer.Length);
outputWriter.Write(contentBuffer, 0, contentBuffer.Length);
}
else
{
// just copy the source content
//outputWriter.Write( (int) messageStream.Length );
GenuineUtility.CopyStreamToStream(messageStream, outputStream);
}
}
/// <summary>
/// Constructs an instance of the BasicChannelWithSecurity class.
/// </summary>
/// <param name="properties">Channel properties.</param>
protected void InitializeInstance(IDictionary properties)
{
// properties
if (properties == null)
{
this._properties = new Hashtable();
}
else
{
this._properties = properties;
}
this.ReadSettings(properties);
// create default client formatter sink
if (this._iClientChannelSinkProvider == null)
{
this._iClientChannelSinkProvider = new BinaryClientFormatterSinkProvider();
}
// connect client sink provider to the end
IClientChannelSinkProvider currentProvider = this._iClientChannelSinkProvider;
while (currentProvider.Next != null)
{
currentProvider = currentProvider.Next;
}
currentProvider.Next = new GenuineTcpClientTransportSinkProvider(this.ITransportContext);
// create default server formatter sink
if (this._iServerChannelSinkProvider == null)
{
this._iServerChannelSinkProvider = GenuineUtility.GetDefaultServerSinkChain();
}
// collect sink providers' cookies
IServerChannelSinkProvider sinkProvider = this._iServerChannelSinkProvider;
while (sinkProvider != null)
{
sinkProvider.GetChannelData((IChannelDataStore)this.ChannelData);
sinkProvider = sinkProvider.Next;
}
// register channel sink
this._iServerChannelSink = new GenuineUniversalServerTransportSink(this, ChannelServices.CreateServerChannelSinkChain(this._iServerChannelSinkProvider, this),
this.ITransportContext);
}
/// <summary>
/// Indicates whether this message processor still waits for the response(s).
/// </summary>
/// <param name="now">The current time elapsed since the system started.</param>
/// <returns>True if the message processor still waits for the response.</returns>
public bool IsExpired(int now)
{
lock (this)
{
if (this._isDispatched)
{
return(true);
}
}
if (GenuineUtility.IsTimeoutExpired(this._message.FinishTime, now))
{
return(true);
}
return(false);
}
private static void RunSplitToHostAndPortWithInputDictionary(Dictionary <string, Tuple <string, int> > testDict)
{
foreach (var entry in testDict)
{
try
{
int port;
Assert.AreEqual(entry.Value.Item1, GenuineUtility.SplitToHostAndPort(entry.Key, out port), true,
"-> Host name of Entry Key: {0}", entry.Key);
Assert.AreEqual(entry.Value.Item2, port, "-> Port of Entry Key: {0}", entry.Key);
}
catch (Exception ex)
{
Assert.Fail("{0}: {1} -> Port of Entry Key: {2}", ex.GetType().Name, ex.Message, entry.Key);
}
}
}
