1 files changed, 64 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/filter_rewrite_tag/rewrite_tag.h b/src/fluent-bit/plugins/filter_rewrite_tag/rewrite_tag.h
new file mode 100644
index 000000000..1edcffd5c
--- /dev/null
+++ b/src/fluent-bit/plugins/filter_rewrite_tag/rewrite_tag.h
@@ -0,0 +1,64 @@
+/* -*- 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.
+ */
+
+#ifndef FLB_REWRITE_TAG_H
+#define FLB_REWRITE_TAG_H
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_regex.h>
+#include <fluent-bit/flb_sds.h>
+#include <fluent-bit/flb_input.h>
+#include <fluent-bit/flb_metrics.h>
+
+#define FLB_RTAG_METRIC_EMITTED    200
+#define FLB_RTAG_MEM_BUF_LIMIT_DEFAULT  "10M"
+
+/* Rewrite rule  */
+struct rewrite_rule {
+    int keep_record;                       /* keep original record ? */
+    struct flb_regex *regex;               /* matching regex */
+    struct flb_record_accessor *ra_key;    /* key record accessor */
+    struct flb_record_accessor *ra_tag;    /* tag record accessor */
+    struct mk_list _head;                  /* link to flb_rewrite_tag->rules */
+};
+
+/* Plugin context */
+struct flb_rewrite_tag {
+    flb_sds_t emitter_name;                 /* emitter input plugin name */
+    flb_sds_t emitter_storage_type;         /* emitter storage type */
+    size_t emitter_mem_buf_limit;           /* Emitter buffer limit */
+    struct mk_list rules;                   /* processed rules */
+    struct mk_list *cm_rules;               /* config_map rules (only strings) */
+    struct flb_input_instance *ins_emitter; /* emitter input plugin instance */
+    struct flb_filter_instance *ins;        /* self-filter instance */
+    struct flb_config *config;              /* Fluent Bit context */
+
+#ifdef FLB_HAVE_METRICS
+    struct cmt_counter *cmt_emitted;
+#endif
+};
+
+/* Register external function to emit records, check 'plugins/in_emitter' */
+int in_emitter_add_record(const char *tag, int tag_len,
+                          const char *buf_data, size_t buf_size,
+                          struct flb_input_instance *in);
+int in_emitter_get_collector_id(struct flb_input_instance *in);
+
+
+#endif