internal: Replace monitor rule when disabling head. (#6136)

Closes #5978

2 files changed, 13 insertions, 0 deletions

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 77aa2fb3..fd70da77 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -1264,6 +1264,18 @@ void CConfigManager::appendMonitorRule(const SMonitorRule& r) {
     m_dMonitorRules.emplace_back(r);
 }
 
+bool CConfigManager::replaceMonitorRule(const SMonitorRule& newrule) {
+    // Looks for an existing monitor rule (compared by name).
+    // If the rule exists, it is replaced with the input rule.
+    for (auto& r : m_dMonitorRules) {
+        if (r.name == newrule.name) {
+            r = newrule;
+            return true;
+        }
+    }
+    return false;
+}
+
 void CConfigManager::performMonitorReload() {
 
     bool overAgain = false;
diff --git a/src/config/ConfigManager.hpp b/src/config/ConfigManager.hpp
index 7fc132c6..45b100ee 100644
--- a/src/config/ConfigManager.hpp
+++ b/src/config/ConfigManager.hpp
@@ -128,6 +128,7 @@ class CConfigManager {
 
     void                      performMonitorReload();
     void                      appendMonitorRule(const SMonitorRule&);
+    bool                      replaceMonitorRule(const SMonitorRule&);
     bool                      m_bWantsMonitorReload = false;
     bool                      m_bForceReload        = false;
     bool                      m_bNoMonitorReload    = false;