From 93030709f5bbc5d547a089eccae6251b8d0ea8e1 Mon Sep 17 00:00:00 2001
From: Michael Friedrich <michael.friedrich@icinga.com>
Date: Wed, 27 Mar 2019 11:43:14 +0100
Subject: [PATCH] Implement previous_state_change

---
 lib/icinga/checkable-check.cpp | 3 +++
 lib/icinga/checkable.ti        | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/lib/icinga/checkable-check.cpp b/lib/icinga/checkable-check.cpp
index 832decaf2..8feeaceb0 100644
--- a/lib/icinga/checkable-check.cpp
+++ b/lib/icinga/checkable-check.cpp
@@ -256,6 +256,9 @@ void Checkable::ProcessCheckResult(const CheckResult::Ptr& cr, const MessageOrig
 	else
 		stateChange = (Host::CalculateState(old_state) != Host::CalculateState(new_state));
 
+	/* Store the current last state change for the next iteration. */
+	SetPreviousStateChange(GetLastStateChange());
+
 	if (stateChange) {
 		SetLastStateChange(now);
 
diff --git a/lib/icinga/checkable.ti b/lib/icinga/checkable.ti
index 158c5ceae..a0ed85c52 100644
--- a/lib/icinga/checkable.ti
+++ b/lib/icinga/checkable.ti
@@ -120,6 +120,9 @@ abstract class Checkable : CustomVarObject
 	};
 	[state] Timestamp last_state_unreachable;
 
+	[state] Timestamp previous_state_change {
+		default {{{ return Application::GetStartTime(); }}}
+	};
 	[no_storage] int severity {
 		get;
 	};