/// <summary>
/// Releases all resources related to the specified connection.
/// </summary>
/// <param name="exception">The reason.</param>
/// <param name="sharedMemoryConnection">The connection.</param>
private void ConnectionFailed(Exception exception, SharedMemoryConnection sharedMemoryConnection)
{
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
try
{
sharedMemoryConnection.IsValid = false;
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.Connection] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.Connection, "SharedMemoryConnectionManager.ConnectionFailed",
LogMessageType.ConnectionFailed, exception, null, sharedMemoryConnection.Remote, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null,
sharedMemoryConnection.DbgConnectionId, 0, 0, 0, null, null, null, null,
"Connection has failed.");
}
// unregister the connection
if (sharedMemoryConnection.Remote.GenuinePersistentConnectionState == GenuinePersistentConnectionState.Accepted)
{
this._persistent.Remove(sharedMemoryConnection.Remote.Uri);
}
else
{
this._persistent.Remove(sharedMemoryConnection.Remote.Url);
}
// release all resources
this.ITransportContext.KnownHosts.ReleaseHostResources(sharedMemoryConnection.Remote, exception);
sharedMemoryConnection.ReleaseUnmanagedResources();
sharedMemoryConnection.SignalState(GenuineEventType.GeneralConnectionClosed, exception, null);
}
catch (Exception ex)
{
// LOG:
if (binaryLogWriter != null)
{
binaryLogWriter.WriteImplementationWarningEvent("SharedMemoryConnectionManager.ConnectionFailed",
LogMessageType.CriticalError, ex,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
"Unexpected exception inside the SharedMemoryClientConnectionManager.ConnectionFailed method. Most likely, something must be fixed.");
}
}
}
/// <summary>
/// Releases all resources related to the specified connection.
/// </summary>
/// <param name="exception">The reason.</param>
/// <param name="sharedMemoryConnection">The connection.</param>
private void ConnectionFailed(Exception exception, SharedMemoryConnection sharedMemoryConnection)
{
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
try
{
sharedMemoryConnection.IsValid = false;
// LOG:
if ( binaryLogWriter != null && binaryLogWriter[LogCategory.Connection] > 0 )
{
binaryLogWriter.WriteEvent(LogCategory.Connection, "SharedMemoryConnectionManager.ConnectionFailed",
LogMessageType.ConnectionFailed, exception, null, sharedMemoryConnection.Remote, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null,
sharedMemoryConnection.DbgConnectionId, 0, 0, 0, null, null, null, null,
"Connection has failed.");
}
// unregister the connection
if (sharedMemoryConnection.Remote.GenuinePersistentConnectionState == GenuinePersistentConnectionState.Accepted)
this._persistent.Remove(sharedMemoryConnection.Remote.Uri);
else
this._persistent.Remove(sharedMemoryConnection.Remote.Url);
// release all resources
this.ITransportContext.KnownHosts.ReleaseHostResources(sharedMemoryConnection.Remote, exception);
sharedMemoryConnection.ReleaseUnmanagedResources();
sharedMemoryConnection.SignalState(GenuineEventType.GeneralConnectionClosed, exception, null);
}
catch(Exception ex)
{
// LOG:
if ( binaryLogWriter != null)
{
binaryLogWriter.WriteImplementationWarningEvent("SharedMemoryConnectionManager.ConnectionFailed",
LogMessageType.CriticalError, ex,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
"Unexpected exception inside the SharedMemoryClientConnectionManager.ConnectionFailed method. Most likely, something must be fixed.");
}
}
}
/// <summary>
/// Starts listening to the specified end point and accepting incoming connections.
/// </summary>
/// <param name="endPoint">The end point.</param>
public override void StartListening(object endPoint)
{
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
if (this._smAcceptConnectionClosure != null)
throw GenuineExceptions.Get_Server_EndPointIsAlreadyBeingListenedTo(this._smAcceptConnectionClosure.ShareName);
SharedMemoryConnection sharedMemoryConnection = null;
using (new ReaderAutoLocker(this._disposeLock))
{
if (this._disposed)
throw OperationException.WrapException(this._disposeReason);
}
string shareName = endPoint as string;
if (shareName == null || shareName.Length <= 0 || ! shareName.StartsWith("gshmem"))
throw GenuineExceptions.Get_Server_IncorrectAddressToListen(shareName);
try
{
sharedMemoryConnection = new SharedMemoryConnection(this.ITransportContext, shareName, true, true);
this._smAcceptConnectionClosure = new SMAcceptConnectionClosure(this.ITransportContext, sharedMemoryConnection, this, shareName);
this.ITransportContext.IGenuineEventProvider.Fire(new GenuineEventArgs(GenuineEventType.GeneralListenerStarted, null, this.Local, endPoint));
Thread thread = new Thread(new ThreadStart(this._smAcceptConnectionClosure.AcceptConnections));
thread.IsBackground = true;
thread.Start();
// LOG:
if ( binaryLogWriter != null && binaryLogWriter[LogCategory.Connection] > 0 )
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SharedMemoryConnectionManager.StartListening",
LogMessageType.ListeningStarted, null, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1,
0, 0, 0, shareName, null, null, null,
"\"{0}\" is now listened.", shareName);
}
}
catch(Exception ex)
{
// LOG:
if ( binaryLogWriter != null && binaryLogWriter[LogCategory.Connection] > 0 )
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SharedMemoryConnectionManager.StartListening",
LogMessageType.ListeningStarted, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1,
0, 0, 0, shareName, null, null, null,
"Listening to \"{0}\" cannot be started.", shareName);
}
if (sharedMemoryConnection != null)
sharedMemoryConnection.ReleaseUnmanagedResources();
throw;
}
}
/// <summary>
/// Starts listening to the specified end point and accepting incoming connections.
/// </summary>
/// <param name="endPoint">The end point.</param>
public override void StartListening(object endPoint)
{
BinaryLogWriter binaryLogWriter = this.ITransportContext.BinaryLogWriter;
if (this._smAcceptConnectionClosure != null)
{
throw GenuineExceptions.Get_Server_EndPointIsAlreadyBeingListenedTo(this._smAcceptConnectionClosure.ShareName);
}
SharedMemoryConnection sharedMemoryConnection = null;
using (new ReaderAutoLocker(this._disposeLock))
{
if (this._disposed)
{
throw OperationException.WrapException(this._disposeReason);
}
}
string shareName = endPoint as string;
if (shareName == null || shareName.Length <= 0 || !shareName.StartsWith("gshmem"))
{
throw GenuineExceptions.Get_Server_IncorrectAddressToListen(shareName);
}
try
{
sharedMemoryConnection = new SharedMemoryConnection(this.ITransportContext, shareName, true, true);
this._smAcceptConnectionClosure = new SMAcceptConnectionClosure(this.ITransportContext, sharedMemoryConnection, this, shareName);
this.ITransportContext.IGenuineEventProvider.Fire(new GenuineEventArgs(GenuineEventType.GeneralListenerStarted, null, this.Local, endPoint));
Thread thread = new Thread(new ThreadStart(this._smAcceptConnectionClosure.AcceptConnections));
thread.IsBackground = true;
thread.Start();
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.Connection] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SharedMemoryConnectionManager.StartListening",
LogMessageType.ListeningStarted, null, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1,
0, 0, 0, shareName, null, null, null,
"\"{0}\" is now listened.", shareName);
}
}
catch (Exception ex)
{
// LOG:
if (binaryLogWriter != null && binaryLogWriter[LogCategory.Connection] > 0)
{
binaryLogWriter.WriteEvent(LogCategory.AcceptingConnection, "SharedMemoryConnectionManager.StartListening",
LogMessageType.ListeningStarted, ex, null, null, null,
GenuineUtility.CurrentThreadId, Thread.CurrentThread.Name,
null, null, -1,
0, 0, 0, shareName, null, null, null,
"Listening to \"{0}\" cannot be started.", shareName);
}
if (sharedMemoryConnection != null)
{
sharedMemoryConnection.ReleaseUnmanagedResources();
}
throw;
}
}
