Zhe Weng
43a8e862e0
apps/system: Add conntrack command
A simple tool like Linux's 'conntrack', only supports printing NAT connections now.
nuttx> conntrack -E
[NEW] icmp src=192.168.21.66 dst=1.2.3.4 type=8 code=0 id=26739 src=1.2.3.4 dst=192.168.11.1 type=0 code=0 id=26739
[NEW] tcp src=192.168.21.66 dst=1.2.3.4 sport=38446 dport=80 src=1.2.3.4 dst=192.168.11.1 sport=80 dport=38446
[DESTROY] icmp src=192.168.21.66 dst=1.2.3.4 type=8 code=0 id=26739 src=1.2.3.4 dst=192.168.11.1 type=0 code=0 id=26739
nuttx> conntrack -L
tcp src=192.168.21.66 dst=1.2.3.4 sport=38446 dport=80 src=1.2.3.4 dst=192.168.11.1 sport=80 dport=38446
icmp src=192.168.21.66 dst=1.2.3.4 type=8 code=0 id=26739 src=1.2.3.4 dst=192.168.11.1 type=0 code=0 id=26739
conntrack: 2 flow entries have been shown.
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>