When activated, the offline-server will announce its ip addresses on the network. The output of the command
ip addr
is sent over the network. You can capture it by running
./announce.py
And this can create the following output:
('172.16.0.101', 59212):
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether b8:27:eb:70:20:2a brd ff:ff:ff:ff:ff:ff
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 7c:dd:90:90:aa:af brd ff:ff:ff:ff:ff:ff
inet 172.16.0.101/16 brd 172.16.255.255 scope global wlan0
valid_lft forever preferred_lft forever