feature: add debug_plugin for development debugging

src/packet/packet_parse.h

@@ -6,9 +6,20 @@ extern "C"
 #endif
 
 #include <stdint.h>
+#include <stdio.h>
 
 const char *packet_parse(struct packet *pkt, const char *data, uint16_t len);
-void packet_print(const struct packet *pkt);
+
+// bref : 1, output packet bref info
+// bref : 0, output packet detail info
+int packet_to_str(const struct packet *pkt, char *buff, int size);
+
+static inline void packet_print(const struct packet *pkt)
+{
+    char buff[4096];
+    packet_to_str(pkt, buff, sizeof(buff));
+    printf("%s\n", buff);
+}
 
 #ifdef __cplusplus
 }