1 files changed, 88 insertions, 0 deletions
diff --git a/daemon/bindings.h b/daemon/bindings.h
new file mode 100644
index 0000000..5540778
--- /dev/null
+++ b/daemon/bindings.h
@@ -0,0 +1,88 @@
+/*  Copyright (C) 2015-2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Bindings to engine services, see \a https://www.lua.org/manual/5.2/manual.html#luaL_newlib for the reference.
+ */
+#pragma once
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include "daemon/engine.h"
+
+/** @internal Compatibility wrapper for Lua 5.0 - 5.2 */
+#if LUA_VERSION_NUM >= 502
+#define register_lib(L, name, lib) \
+	luaL_newlib((L), (lib))
+#else
+#define lua_rawlen(L, obj) \
+	lua_objlen((L), (obj))
+#define register_lib(L, name, lib) \
+	luaL_openlib((L), (name), (lib), 0)
+#endif
+
+#if !LUA_HAS_SETFUNCS
+/* Adapted from Lua 5.2.0 */
+static inline void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
+  luaL_checkstack(L, nup+1, "too many upvalues");
+  for (; l->name != NULL; l++) {  /* fill the table with given functions */
+    int i;
+    lua_pushstring(L, l->name);
+    for (i = 0; i < nup; i++)  /* copy upvalues to the top */
+      lua_pushvalue(L, -(nup+1));
+    lua_pushcclosure(L, l->func, nup);  /* closure with those upvalues */
+    lua_settable(L, -(nup + 3));
+  }
+  lua_pop(L, nup);  /* remove upvalues */
+}
+#endif
+
+/**
+ * Load 'modules' package.
+ * @param  L scriptable
+ * @return   number of packages to load
+ */
+int lib_modules(lua_State *L);
+
+/**
+ * Load 'net' package.
+ * @param  L scriptable
+ * @return   number of packages to load
+ */
+int lib_net(lua_State *L);
+
+/**
+ * Load 'cache' package.
+ * @param  L scriptable
+ * @return   number of packages to load
+ */
+int lib_cache(lua_State *L);
+
+/**
+ * Load 'event' package.
+ * @param  L scriptable
+ * @return   number of packages to load
+ */
+int lib_event(lua_State *L);
+
+/**
+ * Load worker API.
+ * @param  L scriptable
+ * @return   number of packages to load
+ */
+int lib_worker(lua_State *L);