From 4f39e10a052151fd9ee4babe76ac01d34fc8ae68 Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gunnar.beutner@netways.de>
Date: Mon, 3 Sep 2012 12:36:35 +0200
Subject: [PATCH] Log missed checks.

---
 components/checker/checkercomponent.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/components/checker/checkercomponent.cpp b/components/checker/checkercomponent.cpp
index 648373735..2a60ef5e4 100644
--- a/components/checker/checkercomponent.cpp
+++ b/components/checker/checkercomponent.cpp
@@ -58,6 +58,8 @@ void CheckerComponent::CheckTimerHandler(void)
 	double now = Utility::GetTime();
 	long tasks = 0;
 
+	int missedServices = 0, missedChecks = 0;
+
 	while (!m_IdleServices.empty()) {
 		typedef nth_index<ServiceSet, 1>::type CheckTimeView;
 		CheckTimeView& idx = boost::get<1>(m_IdleServices);
@@ -70,6 +72,18 @@ void CheckerComponent::CheckTimerHandler(void)
 
 		idx.erase(it);
 
+		Dictionary::Ptr cr = service->GetLastCheckResult();
+
+		if (cr) {
+			double lastCheck = cr->Get("execution_end");
+			int missed = (Utility::GetTime() - lastCheck) / service->GetCheckInterval();
+
+			if (missed > 0) {
+				missedChecks += missed;
+				missedServices++;
+			}
+		}
+
 		Logger::Write(LogDebug, "checker", "Executing service check for '" + service->GetName() + "'");
 
 		m_PendingServices.insert(service);
@@ -87,6 +101,12 @@ void CheckerComponent::CheckTimerHandler(void)
 
 	Logger::Write(LogDebug, "checker", "CheckTimerHandler: past loop.");
 
+	if (missedServices > 0) {
+		stringstream msgbuf;
+		msgbuf << "Missed " << missedChecks << " checks for " << missedServices << " services";;
+		Logger::Write(LogWarning, "checker", msgbuf.str());
+	}
+
 	stringstream msgbuf;
 	msgbuf << "CheckTimerHandler: created " << tasks << " tasks";
 	Logger::Write(LogInformation, "checker", msgbuf.str());