Quick and dirty Sinatra app for SNMP polling an Apple Airport Express base station to see who's online. YMMV
smnpwalknmapfor MAC prefix databasedigfor Zeroconfpingto test for host online
- Make a file called
hostswith MAC address or host in the left hand field, then a space and a free-form comment
DE:AD:BE:EF:12:34 Raspberry Pi 1
10.10.42.2 Raspberry Pi 1
DE:AD:BE:EF:12:34 Power Mac G4
DE:AD:BE:EF:12:34 Thinkpad
bundle install- Run
ruby app.rb IPADDRESS_OF_AIRPORTand navigate to http:https://localhost:4567/
| host | ip address | mac address | vendor | comment | zeroconf |
|---|---|---|---|---|---|
| raspberry pi 1 | 10.10.32.3 | DE:AD:BE:EF:12:34 | alfa | wireless | raspberrypi.local. |
| 10.10.32.6 | DE:AD:BE:EF:12:34 | raspberry | ethernet | ||
| melvin's macbook | 10.10.32.8 | DE:AD:BE:EF:12:34 | apple | melvin.local. "model=macbookpro3,3" "osxvers=7" |
|
| Mac Mini | 10.10.32.9 | DE:AD:BE:EF:12:34 | liteon | ||
| Pentium PC! | 10.10.32.10 | DE:AD:BE:EF:12:34 | intel | wireless | windowsxp.local. |
| 10.10.32.103 | DE:AD:BE:EF:12:34 | wistron | ethernet | ||
| jon iphone | 10.10.32.100 | DE:AD:BE:EF:12:34 | apple | ||
| tom iphone | 10.10.32.101 | DE:AD:BE:EF:12:34 | apple | ||
| tom imac | 10.10.32.102 | DE:AD:BE:EF:12:34 | apple | tom-imac.local. |
This should probably be run by cron instead of running in the server. Those slow dig calls could be parallelized with a better language.
- Historical info (lastlog)
- Machines stick around for a long time (DHCP lifetime?)
- non-DHCP hosts?