/// <summary>
/// Accepts incoming connection.
/// </summary>
/// <param name="acceptConnectionInformationAsObject">Information about the connection being accepted.</param>
public void AcceptConnection(object acceptConnectionInformationAsObject)
{
AcceptConnectionInformation acceptConnectionInformation = (AcceptConnectionInformation)acceptConnectionInformationAsObject;
try
{
this.SharedMemoryConnectionManager.Connection_AcceptConnection(acceptConnectionInformation.ShareName, acceptConnectionInformation.ProtocolVersion);
}
catch (Exception ex)
{
this.ITransportContext.BinaryLogWriter.WriteEvent(LogCategory.Connection, "SMAcceptConnectionClosure.AcceptConnection",
LogMessageType.ConnectionAccepting, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"The connection to {0} has been refused due to the exception.", acceptConnectionInformation.ShareName);
this.SharedMemoryConnectionManager.ITransportContext.IGenuineEventProvider.Fire(new GenuineEventArgs(GenuineEventType.GeneralListenerFailure, ex, null, acceptConnectionInformation.ShareName));
}
}
/// <summary>
/// Accepts incoming connections.
/// </summary>
public void AcceptConnections()
{
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
byte protocolVersion;
GenuineConnectionType genuineConnectionType;
try
{
IParameterProvider parameters = this.ITransportContext.IParameterProvider;
string mutexName = GenuineSharedMemoryChannel.ConstructSharedObjectName(
"MUTEX" + this.ShareName, parameters);
string clientConnected = GenuineSharedMemoryChannel.ConstructSharedObjectName(
"CC" + this.ShareName, parameters);
string clientAccepted = GenuineSharedMemoryChannel.ConstructSharedObjectName(
"CA" + this.ShareName, parameters);
this._mutex = WindowsAPI.CreateMutex(mutexName);
this._clientConnectedEvent = NamedEvent.CreateNamedEvent(clientConnected, false, false);
this._clientAcceptedEvent = NamedEvent.CreateNamedEvent(clientAccepted, false, true);
WaitHandle[] handles = new WaitHandle[2] {
this._clientConnectedEvent.ManualResetEvent, this.StopListening
};
for ( ; ;)
{
try
{
// listen
WaitHandle.WaitAny(handles);
// if shutting down
if (this.StopListening.WaitOne(0, false))
{
return;
}
// set timeout
int timeout = GenuineUtility.GetTimeout((TimeSpan)this.ITransportContext.IParameterProvider[GenuineParameter.ConnectTimeout]);
// client is connecting
using (Stream headerStream = this.SharedMemoryConnection.LowLevel_ReadSync(timeout))
{
BinaryReader binaryReader = new BinaryReader(headerStream);
string connectionId;
MessageCoder.DeserializeConnectionHeader(binaryReader, out protocolVersion, out genuineConnectionType, out connectionId);
string shareName = binaryReader.ReadString();
this._clientAcceptedEvent.ManualResetEvent.Set();
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.AcceptingConnection] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SMAcceptConnectionClosure.AcceptConnections",
LogMessageType.ConnectionAccepting, null, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"An inbound Shared Memory connection is being accepted.");
}
AcceptConnectionInformation acceptConnectionInformation = new AcceptConnectionInformation();
acceptConnectionInformation.ShareName = shareName;
acceptConnectionInformation.ProtocolVersion = protocolVersion;
GenuineThreadPool.QueueUserWorkItem(new WaitCallback(this.AcceptConnection), acceptConnectionInformation, true);
}
}
catch (Exception ex)
{
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.AcceptingConnection] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SMAcceptConnectionClosure.AcceptConnections",
LogMessageType.ConnectionAccepting, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"Can't accept a connection.");
}
}
}
}
catch (Exception ex)
{
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.AcceptingConnection] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SMAcceptConnectionClosure.AcceptConnections",
LogMessageType.CriticalError, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"Critical listener failure. No connections will be accepted.");
}
this.SharedMemoryConnectionManager.ITransportContext.IGenuineEventProvider.Fire(new GenuineEventArgs(GenuineEventType.GeneralListenerFailure, ex, null, this.ShareName));
}
finally
{
this.SharedMemoryConnection.ReleaseUnmanagedResources();
if (this._mutex != null)
{
this._mutex.Close();
}
}
}
/// <summary>
/// Accepts incoming connections.
/// </summary>
public void AcceptConnections()
{
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
byte protocolVersion;
GenuineConnectionType genuineConnectionType;
try
{
IParameterProvider parameters = this.ITransportContext.IParameterProvider;
string mutexName = GenuineSharedMemoryChannel.ConstructSharedObjectName(
"MUTEX" + this.ShareName, parameters);
string clientConnected = GenuineSharedMemoryChannel.ConstructSharedObjectName(
"CC" + this.ShareName, parameters);
string clientAccepted = GenuineSharedMemoryChannel.ConstructSharedObjectName(
"CA" + this.ShareName, parameters);
this._mutex = WindowsAPI.CreateMutex(mutexName);
this._clientConnectedEvent = NamedEvent.CreateNamedEvent(clientConnected, false, false);
this._clientAcceptedEvent = NamedEvent.CreateNamedEvent(clientAccepted, false, true);
WaitHandle[] handles = new WaitHandle[2] { this._clientConnectedEvent.ManualResetEvent, this.StopListening };
for ( ; ; )
{
try
{
// listen
WaitHandle.WaitAny(handles);
// if shutting down
if (this.StopListening.WaitOne(0, false))
return ;
// set timeout
int timeout = GenuineUtility.GetTimeout((TimeSpan) this.ITransportContext.IParameterProvider[GenuineParameter.ConnectTimeout]);
// client is connecting
using (Stream headerStream = this.SharedMemoryConnection.LowLevel_ReadSync(timeout))
{
BinaryReader binaryReader = new BinaryReader(headerStream);
string connectionId;
MessageCoder.DeserializeConnectionHeader(binaryReader, out protocolVersion, out genuineConnectionType, out connectionId);
string shareName = binaryReader.ReadString();
this._clientAcceptedEvent.ManualResetEvent.Set();
// LOG:
if ( binaryLogWriter != null && binaryLogWriter[LogCategory.AcceptingConnection] > 0 )
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SMAcceptConnectionClosure.AcceptConnections",
LogMessageType.ConnectionAccepting, null, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"An inbound Shared Memory connection is being accepted.");
}
AcceptConnectionInformation acceptConnectionInformation = new AcceptConnectionInformation();
acceptConnectionInformation.ShareName = shareName;
acceptConnectionInformation.ProtocolVersion = protocolVersion;
GenuineThreadPool.QueueUserWorkItem(new WaitCallback(this.AcceptConnection), acceptConnectionInformation, true);
}
}
catch(Exception ex)
{
// LOG:
if ( binaryLogWriter != null && binaryLogWriter[LogCategory.AcceptingConnection] > 0 )
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SMAcceptConnectionClosure.AcceptConnections",
LogMessageType.ConnectionAccepting, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"Can't accept a connection.");
}
}
}
}
catch(Exception ex)
{
// LOG:
if ( binaryLogWriter != null && binaryLogWriter[LogCategory.AcceptingConnection] > 0 )
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SMAcceptConnectionClosure.AcceptConnections",
LogMessageType.CriticalError, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1, 0, 0, 0, null, null, null, null,
"Critical listener failure. No connections will be accepted.");
}
this.SharedMemoryConnectionManager.ITransportContext.IGenuineEventProvider.Fire(new GenuineEventArgs(GenuineEventType.GeneralListenerFailure, ex, null, this.ShareName));
}
finally
{
this.SharedMemoryConnection.ReleaseUnmanagedResources();
if (this._mutex != null)
this._mutex.Close();
}
}
