#!/bin/sh
. /etc/utils.sh

# in waveguide itself
register_experiment WifiPrimarySpreading
register_experiment WifiUseActiveTime
register_experiment WifiChannelsLimited2G
register_experiment WifiLowIsHigh
register_experiment WifiUseDFS

# in this file
register_experiment WifiNoBgScans
register_experiment WifiMoreBgScans

case "$1" in
  start)
    # TODO(awdavies): For now we want to avoid running more daemons on MN than
    # we need to.  This is until we've fixed our RAM woes.
    if is-windcharger; then
      exit 1
    fi

    if is-network-box; then
      YES=1
      HP=--high-power
    elif has_wifi && runnable iw; then
      YES=1
      HP=--no-high-power
    fi

    if is-tv-box; then
      TB=--tv-box
    else
      unset TB
    fi

    if experiment WifiNoBgScans; then
      SI=--scan-interval=0
    elif experiment WifiMoreBgScans; then
      SI=--scan-interval=30
    else
      SI=--scan-interval=300
    fi
    if [ -n "$YES" ]; then
      mkdir -p /tmp/waveguide
      supernice babysit 60 alivemonitor /tmp/waveguide/alive 10 10 600 \
          waveguide "$HP" "$SI" "$TB" 2>&1 | logos waveguide &
    fi
    ;;
  stop)
    pkillwait waveguide
    ;;
  restart)
    $0 stop; $0 start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart}"
    exit 1
esac