1 files changed, 37 insertions, 0 deletions
diff --git a/logsmanagement/rrd_api/rrd_api_mqtt.h b/logsmanagement/rrd_api/rrd_api_mqtt.h
new file mode 100644
index 00000000..13c5cff3
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+++ b/logsmanagement/rrd_api/rrd_api_mqtt.h
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+/** @file  rrd_api_mqtt.h
+ *  @brief Incudes the structure and function definitions 
+ *         for the mqtt log charts.
+ */
+
+#ifndef RRD_API_MQTT_H_
+#define RRD_API_MQTT_H_
+
+#include "daemon/common.h"
+
+struct File_info;
+
+typedef struct Chart_data_mqtt chart_data_mqtt_t;
+
+#include "../file_info.h"
+#include "../circular_buffer.h"
+
+#include "rrd_api.h"
+
+struct Chart_data_mqtt {
+
+    time_t last_update;
+
+    /* Number of collected log records */
+    collected_number num_lines;
+
+    /* MQTT metrics - Topic */
+    struct Chart_str cs_topic;
+    // Special case: Topic dimension and number are part of Mqtt_metrics_t
+};
+
+void mqtt_chart_init(struct File_info *p_file_info);
+void mqtt_chart_update(struct File_info *p_file_info);
+
+#endif // RRD_API_MQTT_H_