From 2f95a64b3fbab6b3ae4ab3484f414d85fe2505b8 Mon Sep 17 00:00:00 2001
From: Niko Ehrenfeuchter <nikolaus.ehrenfeuchter@unibas.ch>
Date: Tue, 13 Mar 2018 00:29:26 +0100
Subject: [PATCH] Raise events if CPU load status changes.
Refers to #36
---
ATxCommon/Monitoring/Cpu.cs | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/ATxCommon/Monitoring/Cpu.cs b/ATxCommon/Monitoring/Cpu.cs
index 2a78338..de4d955 100644
--- a/ATxCommon/Monitoring/Cpu.cs
+++ b/ATxCommon/Monitoring/Cpu.cs
@@ -12,6 +12,10 @@ namespace ATxCommon.Monitoring
{
private static readonly Logger Log = LogManager.GetCurrentClassLogger();
+ public delegate void EventHandler(object sender, EventArgs e);
+ public event EventHandler LoadAboveLimit;
+ public event EventHandler LoadBelowLimit;
+
private readonly Timer _monitoringTimer;
private readonly PerformanceCounter _cpuCounter;
private readonly float[] _loadReadings = {0F, 0F, 0F, 0F};
@@ -111,8 +115,8 @@ namespace ATxCommon.Monitoring
_load = _loadReadings.Average();
if (_loadReadings[3] > _limit) {
if (_behaving > _probation) {
- // this means the load was considered as "low" before
- // TODO: fire callback for violating load limit
+ // this means the load was considered as "low" before, so raise an event:
+ OnLoadAboveLimit();
Log.Debug("CPU load ({0}) violating limit ({1})!", _loadReadings[3], _limit);
} else if (_behaving > 0) {
// this means we were still in probation, so no need to trigger again...
@@ -123,7 +127,7 @@ namespace ATxCommon.Monitoring
_behaving++;
if (_behaving == _probation) {
Log.Debug("CPU load below limit for {0} cycles, passing probation!", _probation);
- // TODO: fire callback for load behaving well
+ OnLoadBelowLimit();
} else if (_behaving > _probation) {
Log.Trace("CPU load behaving well since {0} cycles.", _behaving);
} else if (_behaving < 0) {
@@ -142,5 +146,18 @@ namespace ATxCommon.Monitoring
_loadReadings[3] < Limit ? " [" + _behaving + "]" : "");
}
+ /// <summary>
+ /// Raise the "LoadAboveLimit" event.
+ /// </summary>
+ protected virtual void OnLoadAboveLimit() {
+ LoadAboveLimit?.Invoke(this, EventArgs.Empty);
+ }
+
+ /// <summary>
+ /// Raise the "LoadBelowLimit" event.
+ /// </summary>
+ protected virtual void OnLoadBelowLimit() {
+ LoadBelowLimit?.Invoke(this, EventArgs.Empty);
+ }
}
}
--
GitLab