private static Guid?ReadRepositoryEvents(EEventRepository repos)
{
string xmlFile = InstallPath + repos.ToString() + ".xml";
Guid? lastEvent = null;
if (!File.Exists(xmlFile))
{
return(null);
}
bool mutexHeld = false;
try
{
eventWriterMutex.WaitOne();
mutexHeld = true;
using (FileStream fs = new FileStream(xmlFile, FileMode.Open))
{
using (XmlReader xml = XmlReader.Create(fs))
{
lastEvent = ReadAndAddDifference(repos, xml);
}
}
}
catch (Exception ex)
{
// not a valid repository
//MessageBox.Show(ex.ToString());
}
finally
{
if (mutexHeld)
{
eventWriterMutex.ReleaseMutex();
}
}
return(lastEvent);
}
private void DisplayNewEvent(EEventRepository r, EventItem e, bool isRealtime)
{
try
{
if (this.lvAlerts.InvokeRequired)
{
lvAlerts.Invoke(new DisplayNewEventDelegate(DisplayNewEvent), new object[] { r, e, isRealtime });
}
else
{
if (String.Compare(cmbRepos.Text, r.ToString(), true) != 0 && String.Compare(cmbRepos.Text, "All", true) != 0)
{
return;
}
lock (displaylock)
{
EThreatRiskRating risk = (EThreatRiskRating)Enum.Parse(typeof(EThreatRiskRating), e.EventRisk, true);
Color riskColor = Color.LightGray;
switch (risk)
{
case EThreatRiskRating.Information:
riskColor = Color.LightGray;
break;
case EThreatRiskRating.LowRisk:
riskColor = Color.LightGreen;
break;
case EThreatRiskRating.MediumRisk:
riskColor = Color.Orange;
break;
case EThreatRiskRating.HighRisk:
riskColor = Color.OrangeRed;
break;
}
string date = e.EventDate.ToString().Substring(0, e.EventDate.ToString().IndexOf(' '));
string time = e.EventDate.ToString().Substring(e.EventDate.ToString().IndexOf(' ') + 1);
ListViewItem lvi = new ListViewItem(new string[] { date, time, e.EventProcess, e.EventRisk, e.EventTitle });
lvi.BackColor = riskColor;
lvi.Tag = e;
bool showAllCount = false;
int showMax = 0;
if (!GetFormItemsCount(out showMax, out showAllCount))
{
showAllCount = true;
}
if (!showAllCount && lvAlerts.Items.Count == showMax)
{
lvAlerts.Items.RemoveAt(showMax - 1);
}
lvAlerts.Items.Insert(0, lvi);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}