Amazon Dash Button が押された時に色々処理をさせるのを試すためのリポジトリです。
capture.rb でLAN内のパケットをキャプチャすることでMACアドレスを確認できます。
$ sudo ruby capture.rb en0 | grep -i amazon
/Users/akanuma/workspace/dash_button/ouis.rb:8296: warning: key "00-01-C8" is duplicated and overwritten on line 8309
/Users/akanuma/workspace/dash_button/ouis.rb:12779: warning: key "08-00-30" is duplicated and overwritten on line 17381
/Users/akanuma/workspace/dash_button/ouis.rb:12779: warning: key "08-00-30" is duplicated and overwritten on line 22049
time:2016-12-17 20:52:06.677957, src_mac:88:71:e5:f0:89:71, dst_mac:ff:ff:ff:ff:ff:ff, src_ip:0.0.0.0, dst_ip:255.255.255.255, src_port:68, dst_port:67, protocol:udp, vendor: Amazon Technologies Inc.
time:2016-12-17 20:52:06.689735, src_mac:88:71:e5:f0:89:71, dst_mac:ff:ff:ff:ff:ff:ff, src_ip:192.168.10.10, dst_ip:192.168.10.1, protocol:arp, vendor: Amazon Technologies Inc.post_to_slack.rb でパケットをキャプチャしてSlackにポストします。
$ sudo ruby post_to_slack.rb en0
Capturing for interface: en0
curl -X POST --data-urlencode 'payload={"channel":"#akanuma_private","username":"dash","icon_emoji":":squirrel:","text":"Hello World from Dash Button!!"}' https://hooks.slack.com/services/XXXXXXXXXXX
ok
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 192 100 2 100 190 4 409 --:--:-- --:--:-- --:--:-- 409
pid 53526 exit 0
2016-12-17 21:26:54.018919 Posted to Slack.