///
/// Disposes the specified disposing.
///
/// if set to true [disposing].
private void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
// Dispose of other Managed objects,
// 2500 millisecond timeout
Abort(2500);
}
try
{
if (_filestreamHandler != null)
{
_filestreamHandler.CancelStream();
_filestreamHandler = null;
}
}
catch (Exception x)
{
LogAdapter.Logger.Error("Unexpected exception when calling IDicomFilestreamHandler.CancelStream");
}
// FREE UNMANAGED RESOURCES
_disposed = true;
}
/// <summary>
/// Method called on a network error.
/// </summary>
/// <param name="e">The exception that caused the network error</param>
/// <param name="closeConnection">Flag telling if the connection should be closed</param>
protected override void OnNetworkError(Exception e, bool closeConnection)
{
try
{
if (_filestreamHandler != null)
{
_filestreamHandler.CancelStream();
_filestreamHandler = null;
}
}
catch (Exception x)
{
LogAdapter.Logger.Error(x, "Unexpected exception when calling IDicomFilestreamHandler.CancelStream");
}
try
{
if (_handler != null && State != DicomAssociationState.Sta13_AwaitingTransportConnectionClose)
{
_handler.OnNetworkError(this, _assoc as ServerAssociationParameters, e);
}
}
catch (Exception x)
{
LogAdapter.Logger.Error(x, "Unexpected exception when calling IDicomServerHandler.OnNetworkError");
}
_closedOnError = true;
if (closeConnection)
{
CloseNetwork(Timeout.Infinite);
}
}
protected override bool OnReceiveFileStream(byte pcid, DicomAttributeCollection command, DicomAttributeCollection dataset, byte[] data, int offset, int count, bool isFirst, bool isLast)
{
try
{
if (isFirst)
{
_filestreamHandler = _handler.OnStartFilestream(this, _assoc as ServerAssociationParameters, pcid, new DicomMessage(command, dataset));
}
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), data, offset, count))
{
return(false);
}
if (isLast)
{
_filestreamHandler.CompleteStream(this, _assoc as ServerAssociationParameters, pcid,
new DicomMessage(command, dataset));
_filestreamHandler = null;
}
return(true);
}
catch (Exception e)
{
OnUserException(e, "Unexpected exception on OnReceiveFileStream");
return(false);
}
}
protected override bool OnReceiveFileStream(byte pcid, DicomDataset command, DicomDataset dataset, byte[] data, int offset, int count, bool encounteredStopTag, bool isFirst, bool isLast)
{
try
{
if (!encounteredStopTag)
{
// Buffer data until we get to the stop tag so all the attributes expected are filled in.
if (_bufferedFilestream == null)
{
_bufferedFilestream = new MemoryStream();
}
_bufferedFilestream.Write(data, offset, count);
return(true);
}
if (isFirst || _bufferedFilestream != null)
{
_filestreamHandler = _handler.OnStartFilestream(this, _assoc as ServerAssociationParameters, pcid, new DicomMessage(command, dataset));
}
if (_bufferedFilestream != null)
{
var a = _bufferedFilestream.ToArray();
_bufferedFilestream = null;
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), a, 0, a.Length))
{
return(false);
}
}
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), data, offset, count))
{
return(false);
}
if (isLast)
{
_filestreamHandler.CompleteStream(this, _assoc as ServerAssociationParameters, pcid,
new DicomMessage(command, dataset));
_filestreamHandler = null;
}
return(true);
}
catch (Exception e)
{
OnUserException(e, "Unexpected exception on OnReceiveFileStream");
return(false);
}
}
///
/// Disposes the specified disposing.
///
/// if set to true [disposing].
private void Dispose(bool disposing)
{
if (_disposed)
return;
if (disposing)
{
// Dispose of other Managed objects,
// 2500 millisecond timeout
Abort(2500);
}
try
{
if (_filestreamHandler != null)
{
_filestreamHandler.CancelStream();
_filestreamHandler = null;
}
}
catch (Exception x)
{
Platform.Log(LogLevel.Error, x, "Unexpected exception when calling IDicomFilestreamHandler.CancelStream");
}
// FREE UNMANAGED RESOURCES
_disposed = true;
}
protected override bool OnReceiveFileStream(byte pcid, DicomAttributeCollection command, DicomAttributeCollection dataset, byte[] data, int offset, int count, bool isFirst, bool isLast)
{
try
{
if (isFirst)
_filestreamHandler = _handler.OnStartFilestream(this, _assoc as ServerAssociationParameters, pcid, new DicomMessage(command, dataset));
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), data, offset, count))
return false;
if (isLast)
{
_filestreamHandler.CompleteStream(this, _assoc as ServerAssociationParameters, pcid,
new DicomMessage(command, dataset));
_filestreamHandler = null;
}
return true;
}
catch (Exception e)
{
OnUserException(e, "Unexpected exception on OnReceiveFileStream");
return false;
}
}
/// <summary>
/// Method called on a network error.
/// </summary>
/// <param name="e">The exception that caused the network error</param>
/// <param name="closeConnection">Flag telling if the connection should be closed</param>
protected override void OnNetworkError(Exception e, bool closeConnection)
{
try
{
if (_filestreamHandler != null)
{
_filestreamHandler.CancelStream();
_filestreamHandler = null;
}
}
catch (Exception x)
{
Platform.Log(LogLevel.Error, x, "Unexpected exception when calling IDicomFilestreamHandler.CancelStream");
}
try
{
if (_handler != null && State != DicomAssociationState.Sta13_AwaitingTransportConnectionClose)
_handler.OnNetworkError(this, _assoc as ServerAssociationParameters, e);
}
catch (Exception x)
{
Platform.Log(LogLevel.Error, x, "Unexpected exception when calling IDicomServerHandler.OnNetworkError");
}
_closedOnError = true;
if (closeConnection)
CloseNetwork(Timeout.Infinite);
}
protected override bool OnReceiveFileStream(byte pcid, DicomAttributeCollection command, DicomAttributeCollection dataset, byte[] data, int offset, int count, bool encounteredStopTag, bool isFirst, bool isLast)
{
try
{
if (!encounteredStopTag)
{
// Buffer data until we get to the stop tag so all the attributes expected are filled in.
if (_bufferedFilestream == null)
_bufferedFilestream = new MemoryStream();
_bufferedFilestream.Write(data, offset, count);
return true;
}
if (isFirst || _bufferedFilestream != null)
_filestreamHandler = _handler.OnStartFilestream(this, _assoc as ServerAssociationParameters, pcid, new DicomMessage(command, dataset));
if (_bufferedFilestream != null)
{
var a = _bufferedFilestream.ToArray();
_bufferedFilestream = null;
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), a, 0, a.Length))
return false;
}
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), data, offset, count))
return false;
if (isLast)
{
_filestreamHandler.CompleteStream(this, _assoc as ServerAssociationParameters, pcid,
new DicomMessage(command, dataset));
_filestreamHandler = null;
}
return true;
}
catch (Exception e)
{
OnUserException(e, "Unexpected exception on OnReceiveFileStream");
return false;
}
}
