first commit

utils/logger/vp_log_kafka_writer.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#ifdef VP_WITH_KAFKA
+#include <memory>
+// to-do: refactor for file structure
+#include "../../nodes/broker/kafka_utils/KafkaProducer.h"
+
+namespace vp_utils {
+    class vp_log_kafka_writer
+    {
+    private:
+        // ready to go
+        bool inited = false;
+        // wrapper producer
+        std::shared_ptr<KafkaProducer> kafka_producer = nullptr;
+
+    public:
+        vp_log_kafka_writer(/* args */);
+        ~vp_log_kafka_writer();
+
+        // write log
+        void write(std::string log);
+
+        // initialize writer
+        void init(std::string kafka_servers, std::string topic_name);
+
+        // for << operator
+        vp_log_kafka_writer& operator<<(std::string log);
+    };
+}
+#endif