private bool DoReconnect()
{
// try a reconnect.
if (!m_reconnectFailed)
{
try
{
m_session.Reconnect();
// monitored items should start updating on their own.
return true;
}
catch (Exception exception)
{
// recreate the session if it has been closed.
ServiceResultException sre = exception as ServiceResultException;
// check if the server endpoint could not be reached.
if ((sre != null && (sre.StatusCode == StatusCodes.BadTcpInternalError || sre.StatusCode == StatusCodes.BadCommunicationError)) ||
exception is System.ServiceModel.EndpointNotFoundException)
{
// check if reconnecting is still an option.
if (m_session.LastKeepAliveTime.AddMilliseconds(m_session.SessionTimeout) > DateTime.UtcNow)
{
Utils.Trace("Calling OnReconnectSession in {0} ms.", m_reconnectPeriod);
return false;
}
}
m_reconnectFailed = true;
}
}
// re-create the session.
try
{
Session session = Session.Recreate(m_session);
m_session.Close();
m_session = session;
return true;
}
catch (Exception exception)
{
Utils.Trace("Could not reconnect the Session. {0}", exception.Message);
return false;
}
}
#endregion
