private static void escape(Mail_T m)
{
// replace bare linefeed
m.message = m.message.Replace("\r\n", "\n");
m.message = m.message.Replace("\n", "\r\n");
// escape ^.
m.message = m.message.Replace("\n.", "\n..");
// drop any CR|LF from the subject
m.subject = m.subject.Replace("\r", "").Replace("\n", "");
}
private static void substitute(Mail_T m, Event_T e)
{
m.from = m.from.Replace("$HOST", MonitWindowsAgent.Run.system[0].name);
m.subject = m.subject.Replace("$HOST", MonitWindowsAgent.Run.system[0].name);
m.message = m.message.Replace("$HOST", MonitWindowsAgent.Run.system[0].name);
m.subject = m.subject.Replace("$DATE", Timing.GetTimestamp(e.collected).ToString());
m.message = m.message.Replace("$DATE", Timing.GetTimestamp(e.collected).ToString());
m.subject = m.subject.Replace("$SERVICE", e.source);
m.message = m.message.Replace("$SERVICE", e.source);
m.subject = m.subject.Replace("$EVENT", Event.GetDescription(e));
m.message = m.message.Replace("$EVENT", Event.GetDescription(e));
m.subject = m.subject.Replace("$DESCRIPTION", e.message); //NVLSTR(e.message));
m.message = m.message.Replace("$DESCRIPTION", e.message); //NVLSTR(e.message));
m.subject = m.subject.Replace("$ACTION", MonitWindowsAgent.actionnames[(int)Event.GetAction(e)]);
m.message = m.message.Replace("$ACTION", MonitWindowsAgent.actionnames[(int)Event.GetAction(e)]);
}
private static void copy_mail(Mail_T n, Mail_T o)
{
n.to = o.to;
n.from = !string.IsNullOrEmpty(o.from)
? o.from
: !string.IsNullOrEmpty(MonitWindowsAgent.Run.MailFormat.from)
? MonitWindowsAgent.Run.MailFormat.from
: ALERT_FROM;
n.replyto = !string.IsNullOrEmpty(o.replyto)
? o.replyto
: !string.IsNullOrEmpty(MonitWindowsAgent.Run.MailFormat.replyto)
? MonitWindowsAgent.Run.MailFormat.replyto
: "";
n.subject = !string.IsNullOrEmpty(o.subject)
? o.subject
: !string.IsNullOrEmpty(MonitWindowsAgent.Run.MailFormat.subject)
? MonitWindowsAgent.Run.MailFormat.subject
: ALERT_SUBJECT;
n.message = !string.IsNullOrEmpty(o.message)
? o.message
: !string.IsNullOrEmpty(MonitWindowsAgent.Run.MailFormat.message)
? MonitWindowsAgent.Run.MailFormat.message
: ALERT_MESSAGE;
}
/**
* Notify registred users about the event
* @param E An Event object
* @return If failed, return Handler_Alert flag or Handler_Succeeded if succeeded
*/
public static MonitHandlerType HandleAlert(Event_T E)
{
var rv = MonitHandlerType.Handler_Succeeded;
var s = Event.GetSource(E);
if (s == null)
{
Logger.Log.Error("Aborting alert\n");
return(rv);
}
if (s.maillist != null || MonitWindowsAgent.Run.maillist != null)
{
var list = new List <Mail_T>();
/*
* Build a mail-list with local recipients that has registered interest
* for this event.
*/
foreach (var m in s.maillist)
{
if (
/* particular event notification type is allowed for given recipient */
Event.IsEventSet((int)m.events, E.id) &&
(
/* state change notification is sent always */
E.state_changed ||
/* in the case that the state is failed for more cycles we check
* whether we should send the reminder */
(E.state == MonitStateType.State_Failed && m.reminder > 0 && E.count % m.reminder == 0)
)
)
{
var tmp = new Mail_T();
copy_mail(tmp, m);
substitute(tmp, E);
escape(tmp);
list.Insert(0, tmp);
Logger.Log.DebugFormat("{0} notification is sent to {1}", Event.GetDescription(E), m.to);
}
}
/*
* Build a mail-list with global recipients that has registered interest
* for this event. Recipients which are defined in the service localy
* overrides the same recipient events which are registered globaly.
*/
foreach (var m in MonitWindowsAgent.Run.maillist)
{
var skip = false;
foreach (var n in s.maillist)
{
if (m.to == n.to)
{
skip = true;
break;
}
}
if (
/* the local service alert definition has not overrided the global one */
!skip &&
/* particular event notification type is allowed for given recipient */
Event.IsEventSet((int)m.events, E.id) &&
(
/* state change notification is sent always */
E.state_changed ||
/* in the case that the state is failed for more cycles we check
* whether we should send the reminder */
(E.state == MonitStateType.State_Failed && m.reminder > 0 && E.count % m.reminder == 0)
)
)
{
var tmp = new Mail_T();
copy_mail(tmp, m);
substitute(tmp, E);
escape(tmp);
list.Insert(0, tmp);
Logger.Log.DebugFormat("{0} notification is sent to {1}", Event.GetDescription(E), m.to);
}
}
if (list != null)
{
if (Sendmail.Send(list))
{
rv = MonitHandlerType.Handler_Alert;
}
}
}
return(rv);
}
