/// <summary>
/// Dispose of listener (if any), and create a new one on the new venue.
/// </summary>
/// <param name="venue"></param>
/// <param name="isConferencingVenue"></param>
public bool ChangeVenue(UWVenue venue, bool isConferencingVenue)
{
if (venue == null)
{
return(false); //shouldn't ever be.
}
if (isConferencingVenue)
{
// Make sure it really did change because we could possibly have been using
// the same address/port as a custom venue.
if ((confVenue == null) || (!confVenue.Equals(venue)))
{
confVenue = venue;
DisposeListener(ref confSession, presenterSession);
//Note: long term we don't want to clear them if encoding ..
assrcs.Clear();
vssrcs.Clear();
confSession = CreateListener(presenterSession, confVenue);
//confSession.BufferPacketsForUnsubscribedStreams = false;
if (confSession == null)
{
return(false);
}
// If conference and presenter now use the same venue, we
// may have already missed some relevant stream added events.
if (confSession == presenterSession)
{
AddConferenceStreams();
}
}
}
else
{
if ((presenterVenue == null) || (!presenterVenue.Equals(venue)))
{
presenterVenue = venue;
DisposeListener(ref presenterSession, confSession);
presenterSession = CreateListener(confSession, presenterVenue);
if (presenterSession == null)
{
return(false);
}
// If conference and presenter now use the same venue, we
// may have already missed some relevant stream added events.
if (confSession == presenterSession)
{
AddPresenterStreams();
}
}
}
return(true);
}
public bool Equals(UWVenue uwv)
{
if (uwv == null)
{
return(false);
}
if ((this.ipEndpoint.Address.Equals(uwv.IpEndpoint.Address)) &&
(this.ipEndpoint.Port == uwv.IpEndpoint.Port))
{
return(true);
}
return(false);
}
/// <summary>
/// Start a listener on the venue specified. If one was already running, dispose it
/// regardless of the venue, and create a new one.
/// isConfListener indicates whether this is a conferencing or Presenter listener.
/// </summary>
public bool StartListener(UWVenue venue, bool isConfListener)
{
if (venue == null)
{
return(false);
}
if (isConfListener)
{
confVenue = venue;
if (confSession != null)
{
DisposeListener(ref confSession, presenterSession);
}
confSession = CreateListener(presenterSession, venue);
if (confSession == null)
{
return(false);
}
// If conference and presenter now use the same venue, we
// may have already missed some relevant stream added events.
if (confSession == presenterSession)
{
AddConferenceStreams();
}
}
else
{
presenterVenue = venue;
if (presenterSession != null)
{
DisposeListener(ref presenterSession, confSession);
}
presenterSession = CreateListener(confSession, venue);
if (presenterSession == null)
{
return(false);
}
if (confSession == presenterSession)
{
AddPresenterStreams();
}
}
return(true);
}
/// <summary>
/// Create a listener if there isn't already one for this endpoint.
/// If we fail, write eventlog entry and return null.
/// </summary>
/// <param name="other">The other (possible) listener</param>
/// <param name="venue">New IP endpoint to use</param>
private RtpSession CreateListener(RtpSession other, UWVenue venue)
{
if (other != null)
{
if (CompareIPEndPoints(other.RtpEndPoint, venue.IpEndpoint))
{
return(other);
}
}
RtpParticipant p = new RtpParticipant(myCname, myFriendlyName);
RtpSession s;
IPEndPoint refEP;
if (this.reflectorEnabled)
{
try
{
refEP = new IPEndPoint(System.Net.Dns.GetHostEntry(this.reflectorAddress).AddressList[0], this.reflectorPort);
s = new RtpSession(venue.IpEndpoint, p, true, true, refEP);
s.VenueName = venue.Name;
}
catch (Exception e)
{
eventLog.WriteEntry("Failed to create RtpSession with Reflector enabled. " + e.ToString(), EventLogEntryType.Error, 1002);
s = null;
}
}
else
{
try
{
s = new RtpSession(venue.IpEndpoint, p, true, true);
s.VenueName = venue.Name;
}
catch (Exception e)
{
eventLog.WriteEntry("Failed to create RtpSession. " + e.ToString(), EventLogEntryType.Error, 1002);
s = null;
}
}
return(s);
}
/// <summary>
/// Restart Presenter listeners and threads in a new venue. Called when the Presenter
/// venue combo selection is changed, or when a custom venue is specified.
/// </summary>
/// <param name="venue"></param>
public bool ChangeVenue(UWVenue venue)
{
if ((!presenterEnabled) || (venue == null) || (presenterVenue.Equals(venue)))
{
return(false);
}
presenterVenue = venue;
AbortListenerWorkers();
//Restart listener
if (!rtpManager.ChangeVenue(venue, false))
{
return(false);
}
//Reset so that we can pick up a new instructor node in the new venue:
currentPresenterSSRC = 0;
return(true);
}
// Restore the user's last configuration from the registry.
private void RestoreConfig()
{
// First set defaults
presenterEnabled = false; //presenter integration
String presenterAddr = "234.5.5.5"; //A default venue
String presenterPort = "5004";
String presenterVenueName = "Local Default";
presenterVenue = new UWVenue(presenterVenueName, new IPEndPoint(IPAddress.Parse(presenterAddr), Convert.ToInt32(presenterPort)));
baseURL = "http://slide/location/";
imageExtent = "jpg";
log_slides = false;
log_scripts = false;
// now get the previously configured values here, if any:
try
{
RegistryKey BaseKey = Registry.CurrentUser.OpenSubKey("Software\\UWCSE\\WMGateway", true);
if (BaseKey == null)
{ //no configuration yet.. first run.
//logger.Write("No registry configuration found.");
return;
}
presenterEnabled = Convert.ToBoolean(BaseKey.GetValue("PresenterMode", presenterEnabled));
presenterAddr = Convert.ToString(BaseKey.GetValue("PresenterIP", presenterAddr));
presenterPort = Convert.ToString(BaseKey.GetValue("PresenterPort", presenterPort));
presenterVenueName = Convert.ToString(BaseKey.GetValue("PresenterVenueName", presenterVenueName));
baseURL = Convert.ToString(BaseKey.GetValue("BaseURL", baseURL));
imageExtent = Convert.ToString(BaseKey.GetValue("ImageExtent", imageExtent));
log_slides = Convert.ToBoolean(BaseKey.GetValue("LogSlides", log_slides));
log_scripts = Convert.ToBoolean(BaseKey.GetValue("LogScripts", log_scripts));
}
catch (Exception e)
{
eventLog.WriteEntry("Failed to restore Presenter configuration: " + e.ToString(), EventLogEntryType.Error, 1003);
}
presenterVenue = new UWVenue(presenterVenueName, new IPEndPoint(IPAddress.Parse(presenterAddr), Convert.ToInt32(presenterPort)));
}
/// <summary>
/// Show the config form
/// </summary>
/// <returns></returns>
public UWVenue ConfigPresenter()
{
UWVenue ret = null;
String myAddr = presenterVenue.IpEndpoint.Address.ToString();
String myPort = presenterVenue.IpEndpoint.Port.ToString();
PConfigForm frmConfig = new PConfigForm();
frmConfig.txtAddr.Text = myAddr;
frmConfig.txtPort.Text = myPort;
frmConfig.txtBaseURL.Text = baseURL;
frmConfig.txtExtent.Text = imageExtent;
frmConfig.checkBoxPILog.Checked = log_slides;
frmConfig.checkBoxSLog.Checked = log_scripts;
if (frmConfig.ShowDialog(mainform) == DialogResult.OK)
{
if (log_slides != frmConfig.checkBoxPILog.Checked)
{
log_slides = frmConfig.checkBoxPILog.Checked;
if (log_slides) // turn on slide transition logging
{
CreateOpenPPTLogFile();
}
else //turn off logging
{
ClosePPTLogFile();
}
}
if (log_scripts != frmConfig.checkBoxSLog.Checked)
{
log_scripts = frmConfig.checkBoxSLog.Checked;
if (log_scripts) // turn on script logging
{
CreateOpenScriptLogFile();
}
else //turn off logging
{
CloseScriptLogFile();
}
}
if (baseURL != frmConfig.txtBaseURL.Text)
{
// If the user didn't include a trailing '/', add it.
baseURL = frmConfig.txtBaseURL.Text;
if (!baseURL.EndsWith("/"))
{
baseURL = baseURL + "/";
}
if (scriptQueue != null)
{
scriptQueue.BaseUrl = baseURL;
}
//logger.Write("Set BaseURL to: " + baseURL);
}
imageExtent = frmConfig.txtExtent.Text;
//If the user entered with a leading ".", remove it.
char [] ca = { '.' };
imageExtent = imageExtent.TrimStart(ca);
if (scriptQueue != null)
{
scriptQueue.Extent = imageExtent;
}
if ((myAddr != frmConfig.txtAddr.Text) ||
(myPort != frmConfig.txtPort.Text))
{
myAddr = frmConfig.txtAddr.Text;
myPort = frmConfig.txtPort.Text;
//Note: these inputs are validated in the form.
ret = new UWVenue("Custom Venue", new IPEndPoint(IPAddress.Parse(myAddr), Convert.ToInt32(myPort)));
}
//showLoggingStatus(true);
}
frmConfig.Dispose();
return(ret);
}
