1 files changed, 69 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/filter_checklist/checklist.h b/src/fluent-bit/plugins/filter_checklist/checklist.h
new file mode 100644
index 000000000..8cd39516d
--- /dev/null
+++ b/src/fluent-bit/plugins/filter_checklist/checklist.h
@@ -0,0 +1,69 @@
+/* -*- 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_FILTER_CHECK_H
+#define FLB_FILTER_CHECK_H
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_sqldb.h>
+#include <fluent-bit/flb_hash_table.h>
+#include <fluent-bit/flb_record_accessor.h>
+
+#define LINE_SIZE   2048
+#define CHECK_HASH_TABLE_SIZE 100000
+#define CHECK_EXACT_MATCH     0  /* exact string match */
+#define CHECK_PARTIAL_MATCH   1  /* partial match */
+
+/* plugin context */
+struct checklist {
+    /* config options */
+    int mode;
+    int ignore_case;
+    int print_query_time;
+    flb_sds_t file;
+    flb_sds_t lookup_key;
+    struct mk_list *records;
+
+    /* internal */
+    struct flb_sqldb *db;
+    sqlite3_stmt *stmt_insert;
+    sqlite3_stmt *stmt_check;
+    struct flb_hash_table *ht;
+    struct flb_record_accessor *ra_lookup_key;
+    struct flb_filter_instance *ins;
+    struct flb_config *config;
+};
+
+/* create table */
+#define SQL_CREATE_TABLE                                                \
+    "CREATE TABLE IF NOT EXISTS list ("                                 \
+    "  pattern text "                                                   \
+    ");"
+
+#define SQL_CASE_SENSITIVE                                              \
+    "PRAGMA case_sensitive_like = true;"
+
+/* insert pattern into list table */
+#define SQL_INSERT   "INSERT INTO list (pattern) VALUES (@val);"
+
+/* validate incoming value against list */
+#define SQL_CHECK                                                       \
+    "SELECT pattern FROM list WHERE @val LIKE (pattern || '%');"
+
+#endif