/// <summary cref="CommunicationObject.OnEndOpen" />
protected override void OnEndOpen(IAsyncResult result)
{
try
{
TcpAsyncOperation <int> operation = (TcpAsyncOperation <int>)result;
operation.End(Int32.MaxValue);
}
catch (Exception e)
{
throw ServiceResultException.Create(StatusCodes.BadInternalError, e, "Could not open UA TCP channel factory.");
}
}
/// <summary cref="System.ServiceModel.Channels.RequestContext.EndReply(IAsyncResult)" />
public override void EndReply(IAsyncResult result)
{
try
{
TcpAsyncOperation <uint> operation = (TcpAsyncOperation <uint>)result;
operation.End(Int32.MaxValue);
}
catch (Exception e)
{
Utils.Trace(e, "Could not send reply to request.");
}
}
/// <summary cref="CommunicationObject.OnEndClose" />
protected override void OnEndClose(IAsyncResult result)
{
try
{
TcpAsyncOperation <int> operation = (TcpAsyncOperation <int>)result;
operation.End(Int32.MaxValue);
}
catch (Exception e)
{
m_fault = ServiceResult.Create(e, StatusCodes.BadInternalError, "Could not close UA TCP listener.");
Utils.Trace(m_fault.ToLongString());
Fault();
}
}
/// <summary cref="ChannelListenerBase{T}.OnEndAcceptChannel" />
protected override IReplySessionChannel OnEndAcceptChannel(IAsyncResult result)
{
try
{
TcpAsyncOperation <IReplySessionChannel> operation = (TcpAsyncOperation <IReplySessionChannel>)result;
return(operation.End(Int32.MaxValue));
}
catch (Exception e)
{
m_fault = ServiceResult.Create(e, StatusCodes.BadInternalError, "Error accepting a new UA TCP reply channel.");
Utils.Trace(m_fault.ToLongString());
Fault();
return(null);
}
}
/// <summary cref="IReplyChannel.EndTryReceiveRequest" />
public bool EndTryReceiveRequest(IAsyncResult result, out System.ServiceModel.Channels.RequestContext context)
{
context = null;
TcpAsyncOperation <RequestContext> operation = (TcpAsyncOperation <RequestContext>)result;
try
{
context = operation.End(Int32.MaxValue);
return(true);
}
catch (TimeoutException)
{
return(false);
}
catch (Exception e)
{
m_fault = ServiceResult.Create(e, StatusCodes.BadInternalError, "Could not receive request from a UA TCP channel.");
Utils.Trace(m_fault.ToLongString());
return(false);
}
}
