TSG-8230 PacketAdapter支持输出json格式的日志，并支持动态调整日志级别

common/src/decode_udp.c

@@ -37,12 +37,12 @@ int decode_udp(udp_info_t *packet, const uint8_t *data, uint32_t len)
     return 0;
 }
 
-void dump_udp_info(uint32_t pkt_id, udp_info_t *packet)
+int dump_udp_info(udp_info_t *packet, char *buff, size_t size)
 {
-    LOG_DEBUG("id: %u, udp_info: {src_port: %u, dst_port: %u, hdr_len: %u, data_len: %u}",
-              pkt_id,
-              packet->src_port,
-              packet->dst_port,
-              packet->hdr_len,
-              packet->payload_len);
+    return snprintf(buff, size,
+                    "{\"src_port\":%u,\"dst_port\":%u,\"hdr_len\":%u,\"data_len\":%u}",
+                    packet->src_port,
+                    packet->dst_port,
+                    packet->hdr_len,
+                    packet->payload_len);
 }