1 files changed, 97 insertions, 0 deletions
diff --git a/fluent-bit/src/flb_luajit.c b/fluent-bit/src/flb_luajit.c
new file mode 100644
index 000000000..9c8372f87
--- /dev/null
+++ b/fluent-bit/src/flb_luajit.c
@@ -0,0 +1,97 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_mem.h>
+#include <fluent-bit/flb_log.h>
+#include <fluent-bit/flb_luajit.h>
+
+struct flb_luajit *flb_luajit_create(struct flb_config *config)
+{
+    struct flb_luajit *lj;
+
+    lj = flb_malloc(sizeof(struct flb_luajit));
+    if (!lj) {
+        flb_errno();
+        return NULL;
+    }
+
+    lj->state = luaL_newstate();
+    if (!lj->state) {
+        flb_error("[luajit] error creating new context");
+        flb_free(lj);
+        return NULL;
+    }
+    luaL_openlibs(lj->state);
+    lj->config = config;
+    mk_list_add(&lj->_head, &config->luajit_list);
+
+    return lj;
+}
+
+int flb_luajit_load_script(struct flb_luajit *lj, char *script)
+{
+    int ret;
+
+    ret = luaL_loadfile(lj->state, script);
+    if (ret != 0) {
+        flb_error("[luajit] error loading script: %s",
+                  lua_tostring(lj->state, -1));
+        return -1;
+    }
+
+    return 0;
+}
+
+int flb_luajit_load_buffer(struct flb_luajit *lj, char *string, size_t len, char *name)
+{
+    int ret;
+
+    ret = luaL_loadbuffer(lj->state, string, len, name);
+    if (ret != 0) {
+        flb_error("[luajit] error loading buffer: %s",
+                  lua_tostring(lj->state, -1));
+        return -1;
+    }
+
+    return 0;
+}
+
+void flb_luajit_destroy(struct flb_luajit *lj)
+{
+    lua_close(lj->state);
+    mk_list_del(&lj->_head);
+    flb_free(lj);
+}
+
+int flb_luajit_destroy_all(struct flb_config *ctx)
+{
+    int c = 0;
+    struct mk_list *tmp;
+    struct mk_list *head;
+    struct flb_luajit *lj;
+
+    mk_list_foreach_safe(head, tmp, &ctx->luajit_list) {
+        lj = mk_list_entry(head, struct flb_luajit, _head);
+        flb_luajit_destroy(lj);
+        c++;
+    }
+
+    return c;
+}