}//end constructor.
//
//
//
// *************************************************************
// **** Initialize() ****
// *************************************************************
/// <summary>
/// Called by main GUI Thread via a constructor. Allows creation of form, if desired.
/// </summary>
private void Initialize()
{
// Create a log viewer form.
if (m_LogViewer != null)
{
m_LogViewer.Show();
if (!m_IsViewActive)
{
m_LogViewer.WindowState = System.Windows.Forms.FormWindowState.Minimized;
}
}
// ViewCreator
lock (m_ViewCreatorLock)
{
if (m_ViewCreator == null)
{
m_ViewCreator = new LogViewCreator(); // must produce on UI thread.
m_ViewCreator.Show();
m_ViewCreator.Hide();
}
}
// initialize our queues
m_ThreadPriority = ThreadPriority.Lowest; // Reset Hub thread to lowest priority.
m_OutQueue = new Queue <string>(m_QueueSize);
m_EventStorage = new Queue <LogEventArgs>(m_EventStorageSize);
for (int i = 0; i < m_EventStorageSize; ++i)
{
m_EventStorage.Enqueue(new LogEventArgs());
}
// Start our clock.
string clockOffsetMessage;
TimeSpan offset;
Misty.Lib.Utilities.NistServices nist = null;
bool isConnectToNIST = false;
try
{
nist = Misty.Lib.Utilities.NistServices.GetInstance(isConnectToNIST);
}
catch (Exception e)
{
Console.WriteLine("LogHub: " + e.Message);
}
if (nist != null && nist.IsGood)
{
offset = nist.SystemTimeOffset;
clockOffsetMessage = String.Format("Using NIST-corrected system time, with offset = {0} for start time.", offset.ToString());
}
else
{
offset = new TimeSpan(0);
clockOffsetMessage = String.Format("Using local system time for start time.", offset.ToString());
}
m_StopWatch.Start();
m_StartTime = DateTime.Now.Add(offset);
// Send a starting message to log.
string msg = string.Format("{0} started at {2} on {1}. ", LogName, m_StartTime.ToLongDateString(), m_StartTime.ToLongTimeString());
HubEventEnqueue(GetNewLogEvent(LogRequest.NewMessage, msg, LogLevel.Major, m_StopWatch.Elapsed));
HubEventEnqueue(GetNewLogEvent(LogRequest.NewMessage, clockOffsetMessage, LogLevel.Major, m_StopWatch.Elapsed));
// Send nist messages.
string[] nistMsgs = nist.Messages;
foreach (string msg2 in nistMsgs)
{
HubEventEnqueue(GetNewLogEvent(LogRequest.NewMessage, msg2, LogLevel.Major, m_StopWatch.Elapsed));
}
base.Start(); // starts thread.
}//end Initialize().
}// CreateLogViewer()
//
//
//
#endregion//private methods
#region HubBase overrides
// *********************************************************
// **** HubEvent Handler ****
// *********************************************************
/// <summary>
/// This method is called by the LogHub thread to process a new log message
/// or a special log request (such as "flush buffers" etc).
/// </summary>
/// <param name="e"></param>
protected override void HubEventHandler(EventArgs[] eventArgArray)
{
if (eventArgArray == null)
{
return;
} // this can happen as the thread is dying. See HubBase.WaitListen()
foreach (EventArgs eventArg in eventArgArray)
{
if ((eventArg != null) && (eventArg != EventArgs.Empty))
{
LogEventArgs logArg = (LogEventArgs)eventArg;
switch (logArg.Request)
{
case LogRequest.FlushNow:
FlushOutQueue();
break;
case LogRequest.Stop:
//ProcessStopRequest();
string msg = string.Format("{0} stopping.", LogName);
LogEventArgs eventArgs = GetNewLogEvent(LogRequest.NewMessage, msg, LogLevel.Major, m_StopWatch.Elapsed);
m_OutQueue.Enqueue(BuildMessage(eventArgs));
FlushOutQueue();
m_StopWatch.Stop();
if (m_LogViewer != null)
{
m_LogViewer.LogClose(this, null);
}
LogHub.m_ViewCreator = null; // disconnect myself.
// Close
bool needToCloseErrorView = false;
lock (m_ErrorViewLock)
{
if (m_ErrorView != null)
{
needToCloseErrorView = true;
}
}
if (needToCloseErrorView)
{
m_ErrorView.LogClose(this, EventArgs.Empty);
}
base.Stop();
break;
case LogRequest.NewMessage:
ProcessOutMessage(logArg);
break;
case LogRequest.CopyTo:
FlushOutQueue();
string targetPath = logArg.Message;
if (!targetPath.EndsWith("\\"))
{
targetPath += "\\";
}
CopyFileToTarget(targetPath);
break;
default:
break;
}//end switch.
lock (m_EventStorageLock)
{
m_EventStorage.Enqueue(logArg); // push back into the storage area.
}
}
} //next eventArg.
} //end HubEventHander().
