//--------------------------------------------------------------
//Method to send email notifications
//--------------------------------------------------------------
public override void SendLogNotifications()
{
try
{
lockNotif.AcquireWriterLock( WriterLockTimeout );
XmlDocument xmlPendingNotificationsDoc = new XmlDocument();
try
{
xmlPendingNotificationsDoc.Load( GetFilePath( PendingNotificationsFile ) );
}
catch( FileNotFoundException )
{
//file not found
return;
}
ArrayList arrLogTypeInfo;
XMLLoggingProvider x = new XMLLoggingProvider();
arrLogTypeInfo = x.GetLogTypeConfigInfo();
PurgeLogBuffer();
int a;
for( a = 0; a <= arrLogTypeInfo.Count - 1; a++ )
{
LogTypeConfigInfo objLogTypeInfo;
objLogTypeInfo = (LogTypeConfigInfo)arrLogTypeInfo[a];
if( objLogTypeInfo.EmailNotificationIsActive )
{
XmlNodeList xmlPendingNotifications = xmlPendingNotificationsDoc.DocumentElement.SelectNodes( "log[@NotificationLogTypeKey='" + objLogTypeInfo.LogTypeKey + "' and @LogTypePortalID='" + objLogTypeInfo.LogTypePortalID + "' and number(@LogCreateDateNum) > " + DateToNum( objLogTypeInfo.StartDateTime ).ToString() + "]" );
if( xmlPendingNotifications.Count >= objLogTypeInfo.NotificationThreshold )
{
//we have notifications to send out
XmlNode xmlPendingNotification;
XmlDocument xmlOut = new XmlDocument();
xmlOut.LoadXml( "<notification></notification>" );
foreach( XmlNode tempLoopVar_xmlPendingNotification in xmlPendingNotifications )
{
xmlPendingNotification = tempLoopVar_xmlPendingNotification;
XmlNode tmpNode;
tmpNode = xmlOut.ImportNode( xmlPendingNotification, true );
xmlOut.DocumentElement.AppendChild( tmpNode );
//Remove the node from the list of pending notifications
xmlPendingNotificationsDoc.DocumentElement.RemoveChild( xmlPendingNotification );
}
bool NotificationFailed = false;
string errSendNotif;
errSendNotif = Mail.Mail.SendMail( objLogTypeInfo.MailFromAddress, objLogTypeInfo.MailToAddress, "", "Log Notification", xmlOut.OuterXml, "", "", "", "", "", "" );
if( !String.IsNullOrEmpty(errSendNotif) )
{
//notification failed to send
NotificationFailed = true;
}
EventLogController objEventLogController = new EventLogController();
if( NotificationFailed )
{
//Notification failed, log it
LogInfo objEventLogInfo = new LogInfo();
objEventLogInfo.LogTypeKey = EventLogController.EventLogType.LOG_NOTIFICATION_FAILURE.ToString();
objEventLogInfo.AddProperty( "Log Notification Failed: ", errSendNotif );
objEventLogController.AddLog( objEventLogInfo );
//need to reload the xml doc because
//we removed xml nodes above
xmlPendingNotificationsDoc.Load( GetFilePath( PendingNotificationsFile ) );
if( xmlPendingNotificationsDoc.DocumentElement.Attributes["LastNotificationFailure"] == null )
{
XmlAttribute xmlNotificationFailed;
xmlNotificationFailed = xmlPendingNotificationsDoc.CreateAttribute( "LastNotificationFailure" );
xmlNotificationFailed.Value = DateTime.Now.ToString();
xmlPendingNotificationsDoc.DocumentElement.Attributes.Append( xmlNotificationFailed );
}
else
{
xmlPendingNotificationsDoc.DocumentElement.Attributes["LastNotificationFailure"].Value = DateTime.Now.ToString();
}
xmlPendingNotificationsDoc.Save( GetFilePath( PendingNotificationsFile ) );
}
else
{
//Notification succeeded.
//Save the updated pending notifications file
//so we remove the notifications that have been completed.
if( xmlPendingNotificationsDoc.DocumentElement.Attributes["LastNotificationFailure"] != null )
{
xmlPendingNotificationsDoc.DocumentElement.Attributes.Remove( xmlPendingNotificationsDoc.DocumentElement.Attributes["LastNotificationFailure"] );
}
if( xmlPendingNotificationsDoc.DocumentElement.Attributes["LastNotificationSuccess"] == null )
{
XmlAttribute xmlNotificationSucceeded;
xmlNotificationSucceeded = xmlPendingNotificationsDoc.CreateAttribute( "LastNotificationSuccess" );
xmlNotificationSucceeded.Value = DateTime.Now.ToString();
xmlPendingNotificationsDoc.DocumentElement.Attributes.Append( xmlNotificationSucceeded );
}
else
{
xmlPendingNotificationsDoc.DocumentElement.Attributes["LastNotificationSuccess"].Value = DateTime.Now.ToString();
}
xmlPendingNotificationsDoc.Save( GetFilePath( PendingNotificationsFile ) );
}
}
}
}
x.DeleteOldPendingNotifications();
}
catch( Exception exc )
{
Exceptions.Exceptions.LogException( exc );
}
finally
{
lockNotif.ReleaseWriterLock();
}
}
public override void PurgeLogBuffer()
{
try
{
lockPurgeLog.AcquireWriterLock( WriterLockTimeout );
int i;
ArrayList c = LogQueue;
int j = c.Count;
for( i = 1; i <= c.Count; i++ )
{
//in case the log was removed
//by another thread simultaneously
if( c[j] != null )
{
LogQueueItem objLogQueueItem;
objLogQueueItem = (LogQueueItem)( c[j] );
WriteLog( objLogQueueItem );
}
//in case the log was removed
//by another thread simultaneously
if( c[j] != null )
{
c.Remove( j );
}
//use "j" instead of "i" so we
//can iterate in reverse, taking
//items out of the rear of the
//collection
j--;
}
XMLLoggingProvider objMe = new XMLLoggingProvider();
ArrayList a = objMe.GetLogTypeConfigInfo();
int k;
for( k = 0; k <= a.Count - 1; k++ )
{
LogTypeConfigInfo objLogTypeConfigInfo;
objLogTypeConfigInfo = (LogTypeConfigInfo)( a[k] );
//--------------------------------------------------------------
//if the KeepMostRecent setting has a numeric value,
//use it to limit the log file to "x" of the most recent
//logs, where "x" is the value of KeepMostRecent.
//A value of "*" signifies to keep all log entries.
//--------------------------------------------------------------
if( objLogTypeConfigInfo.KeepMostRecent != "*" && !String.IsNullOrEmpty(objLogTypeConfigInfo.LogFileName) )
{
XmlDocument xmlLog = new XmlDocument();
bool FileExists = false;
try
{
int intAttempts = 0;
//wait for up to 100 milliseconds for the file
//to be unlocked if it is not available
while( !( xmlLog.OuterXml != "" || intAttempts == 100 ) )
{
intAttempts++;
try
{
xmlLog.Load( objLogTypeConfigInfo.LogFileNameWithPath );
FileExists = true;
}
catch( IOException )
{
Thread.Sleep( 1 );
}
}
}
catch( FileNotFoundException )
{
FileExists = false;
//file doesn't exist
}
catch( XmlException )
{
FileExists = false;
//file is corrupt
}
if( FileExists )
{
XmlNodeList objTotalNodes;
if( objLogTypeConfigInfo.LogTypePortalID == "*" )
{
objTotalNodes = xmlLog.DocumentElement.SelectNodes( "log[@LogTypeKey='" + objLogTypeConfigInfo.LogTypeKey + "']" );
}
else
{
objTotalNodes = xmlLog.DocumentElement.SelectNodes( "log[@LogTypeKey='" + objLogTypeConfigInfo.LogTypeKey + "' and LogPortalID='" + objLogTypeConfigInfo.LogTypePortalID + "']" );
}
int intNodeCount = objTotalNodes.Count;
int intKeepMostRecent = Convert.ToInt32( objLogTypeConfigInfo.KeepMostRecent );
if( intNodeCount > intKeepMostRecent )
{
XmlNode objTotalNode;
int m = 0;
foreach( XmlNode tempLoopVar_objTotalNode in objTotalNodes )
{
objTotalNode = tempLoopVar_objTotalNode;
if( intNodeCount - m > intKeepMostRecent )
{
xmlLog.DocumentElement.RemoveChild( objTotalNode );
}
m++;
}
xmlLog.Save( objLogTypeConfigInfo.LogFileNameWithPath );
}
else
{
xmlLog = null;
}
}
}
}
}
finally
{
lockPurgeLog.ReleaseWriterLock();
}
}
