TSG-21855 使用fieldstat4序列化Intercept Policy的metric并输出到kafka

common/include/metrics.h

@@ -0,0 +1,23 @@
+#ifndef _METRICS_H
+#define _METRICS_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "kafka.h"
+#include "tfe_packet_io.h"
+
+struct metrics *metrics_create(const char *profile, struct kafka *kfk);
+void metrics_destory(struct metrics *handle);
+
+void metrics_single_session_output(struct session_node *node, void *ctx);
+void metrics_all_session_output(struct packet_io_thread_ctx *thread_ctx);
+int metrics_get_interval(struct metrics *handle);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif