Floodlight API Api Look-Ahead-rl 流量功能 /wm/core/switch/all/flow/json上每个流的数据格式: "priority": "1", "hard_timeout_s": "0", "byte_count": "294", "idle_timeout_s": "5", "duration_nsec": "608000000", "packet_count": "3", "duration_sec": "3", "version": "OF_13", "table_id": "0x0", "flags": [], "cookie": "9007199758057472", "match": { "eth_dst": "00:00:00:00:00:02", "ipv4_dst": "10.0.0.2", "ipv4_src"