1 files changed, 37 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/filter_throttle/window.h b/src/fluent-bit/plugins/filter_throttle/window.h
new file mode 100644
index 000000000..c7f392e07
--- /dev/null
+++ b/src/fluent-bit/plugins/filter_throttle/window.h
@@ -0,0 +1,37 @@
+/* -*- 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.
+ */
+
+#define NOT_FOUND -1
+
+struct throttle_pane {
+    long timestamp;
+    long counter;
+};
+
+struct throttle_window {
+    long current_timestamp;
+    unsigned size;
+    unsigned total;
+    pthread_mutex_t result_mutex;
+    int max_index;
+    struct throttle_pane *table;
+};
+
+struct throttle_window *window_create(size_t size);
+int window_add(struct throttle_window *tw, long timestamp, int val);