private void LoadFromFiles()
{
TimeSpan timeout = TimeSpan.FromSeconds(1.0);
Microsoft.Exchange.Data.ApplicationLogic.TextMessaging.HostingData.Site.TextMessagingHostingData textMessagingHostingData = new Microsoft.Exchange.Data.ApplicationLogic.TextMessaging.HostingData.Site.TextMessagingHostingData();
XmlReaderSettings xmlReaderSettings = new XmlReaderSettings();
using (Stream manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("TextMessagingHostingData-Site.xsd"))
{
xmlReaderSettings.ValidationType = ValidationType.Schema;
xmlReaderSettings.ValidationFlags = (XmlSchemaValidationFlags.ProcessInlineSchema | XmlSchemaValidationFlags.ProcessSchemaLocation | XmlSchemaValidationFlags.ReportValidationWarnings | XmlSchemaValidationFlags.ProcessIdentityConstraints | XmlSchemaValidationFlags.AllowXmlAttributes);
xmlReaderSettings.Schemas.Add(XmlSchema.Read(manifestResourceStream, null));
}
int num = 0;
while (2 > num)
{
try
{
using (XmlReader xmlReader = XmlReader.Create(TextMessagingHostingDataCache.SiteHostingDataFilePath, xmlReaderSettings))
{
textMessagingHostingData.ReadXml(xmlReader);
}
break;
}
catch (FileNotFoundException)
{
break;
}
catch (SystemException ex)
{
if (!(ex is IOException) || 1 <= num)
{
this.IssueRedEvent(ex, TextMessagingHostingDataCache.SiteHostingDataFilePath);
textMessagingHostingData = null;
break;
}
Thread.Sleep(timeout);
}
num++;
}
XmlReaderSettings xmlReaderSettings2 = new XmlReaderSettings();
using (Stream manifestResourceStream2 = Assembly.GetExecutingAssembly().GetManifestResourceStream("TextMessagingHostingData-System.xsd"))
{
xmlReaderSettings2.ValidationType = ValidationType.Schema;
xmlReaderSettings2.ValidationFlags = (XmlSchemaValidationFlags.ProcessInlineSchema | XmlSchemaValidationFlags.ProcessSchemaLocation | XmlSchemaValidationFlags.ReportValidationWarnings | XmlSchemaValidationFlags.ProcessIdentityConstraints | XmlSchemaValidationFlags.AllowXmlAttributes);
xmlReaderSettings2.Schemas.Add(XmlSchema.Read(manifestResourceStream2, null));
}
int num2 = 0;
while (2 > num2)
{
try
{
Microsoft.Exchange.Data.ApplicationLogic.TextMessaging.HostingData.System.TextMessagingHostingData textMessagingHostingData2 = new Microsoft.Exchange.Data.ApplicationLogic.TextMessaging.HostingData.System.TextMessagingHostingData();
Microsoft.Exchange.Data.ApplicationLogic.TextMessaging.HostingData.System.TextMessagingHostingData textMessagingHostingData3 = new Microsoft.Exchange.Data.ApplicationLogic.TextMessaging.HostingData.System.TextMessagingHostingData();
using (FileStream fileStream = new FileStream(TextMessagingHostingDataCache.SystemHostingDataFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (XmlReader xmlReader2 = XmlReader.Create(fileStream, xmlReaderSettings2))
{
textMessagingHostingData2.ReadXml(xmlReader2);
}
textMessagingHostingData2.AcceptChanges();
if (textMessagingHostingData != null)
{
fileStream.Seek(0L, SeekOrigin.Begin);
using (XmlReader xmlReader3 = XmlReader.Create(fileStream, xmlReaderSettings2))
{
textMessagingHostingData3.ReadXml(xmlReader3);
}
}
textMessagingHostingData3.AcceptChanges();
}
if (textMessagingHostingData != null)
{
try
{
textMessagingHostingData2.Merge(textMessagingHostingData);
textMessagingHostingData2.AcceptChanges();
this.IssueGreenEvent();
}
catch (ConstraintException e)
{
this.IssueRedEvent(e, TextMessagingHostingDataCache.SiteHostingDataFilePath);
textMessagingHostingData2 = textMessagingHostingData3;
}
}
this.AssignHostingData(TextMessagingHostingDataCache.Convert(textMessagingHostingData2));
break;
}
catch (SystemException ex2)
{
if (!(ex2 is IOException) || 1 <= num2)
{
this.IssueRedEvent(ex2, TextMessagingHostingDataCache.SystemHostingDataFilePath);
this.AssignHostingData(null);
break;
}
Thread.Sleep(timeout);
}
num2++;
}
if (this.Changed != null)
{
this.Changed(this.data);
}
}