wifi-cycler.toit

import net
import net.wifi

CREDENTIALS ::= [
  [ "ssid1", "password" ],
  [ "ssid2", "password" ]
]

attempt-connection [block] -> bool:
  network/net.Interface? := null
  exception := catch: network = block.call
  if network:
    print "Configuration works"
    network.close
    return true

  print "Configuration seems to be broken."
  print "Exception: $exception"
  return false

main:
  print "Trying to connect to saved configuration."
  succeeded := attempt-connection: net.open
  if not succeeded:
    print "Attempting to connect to stored credentials."
    for i := 0; i < CREDENTIALS.size; i++:
      current := CREDENTIALS[i]
      ssid := current[0]
      password := current[1]
      succeeded = attempt-connection: wifi.open --ssid=ssid --password=password --save
      if succeeded:
        break
  if not succeeded:
    print "No configuration worked."