Merging upstream version 1.9.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/dnsdist-lua-hooks.cc b/dnsdist-lua-hooks.cc
new file mode 100644
index 0000000..c5ccb48
--- /dev/null
+++ b/dnsdist-lua-hooks.cc
@@ -0,0 +1,37 @@
+
+#include "dnsdist-lua-hooks.hh"
+#include "dnsdist-lua.hh"
+#include "lock.hh"
+
+namespace dnsdist::lua::hooks
+{
+static LockGuarded<std::vector<MaintenanceCallback>> s_maintenanceHooks;
+
+void runMaintenanceHooks(const LuaContext& context)
+{
+  (void)context;
+  for (const auto& callback : *(s_maintenanceHooks.lock())) {
+    callback();
+  }
+}
+
+void addMaintenanceCallback(const LuaContext& context, MaintenanceCallback callback)
+{
+  (void)context;
+  s_maintenanceHooks.lock()->push_back(std::move(callback));
+}
+
+void clearMaintenanceHooks()
+{
+  s_maintenanceHooks.lock()->clear();
+}
+
+void setupLuaHooks(LuaContext& luaCtx)
+{
+  luaCtx.writeFunction("addMaintenanceCallback", [&luaCtx](const MaintenanceCallback& callback) {
+    setLuaSideEffect();
+    addMaintenanceCallback(luaCtx, callback);
+  });
+}
+
+}