1 files changed, 71 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_tail/tail_scan.c b/src/fluent-bit/plugins/in_tail/tail_scan.c
new file mode 100644
index 000000000..ccb8e070a
--- /dev/null
+++ b/src/fluent-bit/plugins/in_tail/tail_scan.c
@@ -0,0 +1,71 @@
+/* -*- 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_input_plugin.h>
+#include "tail.h"
+#include "tail_config.h"
+
+/*
+ * Include proper scan backend
+ */
+#ifdef FLB_SYSTEM_WINDOWS
+#include "tail_scan_win32.c"
+#else
+#include "tail_scan_glob.c"
+#endif
+
+int flb_tail_scan(struct mk_list *path_list, struct flb_tail_config *ctx)
+{
+    int ret;
+    struct mk_list *head;
+    struct flb_slist_entry *pattern;
+
+    mk_list_foreach(head, path_list) {
+        pattern = mk_list_entry(head, struct flb_slist_entry, _head);
+        ret = tail_scan_path(pattern->str, ctx);
+        if (ret == -1) {
+            flb_plg_warn(ctx->ins, "error scanning path: %s", pattern->str);
+        }
+        else {
+            flb_plg_debug(ctx->ins, "%i new files found on path '%s'",
+                          ret, pattern->str);
+        }
+    }
+
+    return 0;
+}
+
+/*
+ * Triggered by refresh_interval, it re-scan the path looking for new files
+ * that match the original path pattern.
+ */
+int flb_tail_scan_callback(struct flb_input_instance *ins,
+                           struct flb_config *config, void *context)
+{
+    int ret;
+    struct flb_tail_config *ctx = context;
+    (void) config;
+
+    ret = flb_tail_scan(ctx->path_list, ctx);
+    if (ret > 0) {
+        flb_plg_debug(ins, "%i new files found", ret);
+    }
+
+    return ret;
+}