#!/bin/sh

. /etc/utils.sh

GHN_DIR="/tmp/ghn"
GHN_STATS_FILE="${GHN_DIR}/config"

usage() {
  echo "Usage:"
  echo
  echo "  $0"
  echo
  echo "  Repeatedly grabs up to date stats from G.hn chip using 'configlayer' "
  echo "  These stats are eventually used in catawampus' periodic statistics. "
  echo
  exit 99
}

if ! has-ghn; then
  exit 0
fi

if [ "$#" -ne "0" ]; then
  usage
fi

GHN_MAC_ADDR=$(cat "$GHN_DIR"/mac_addr)
while true; do
  if configlayer -o GET -i eth1 -m "$GHN_MAC_ADDR" -w paterna \
    -p NODE.GENERAL.ENABLE \
    -p NTP.GENERAL.STATUS \
    -p NODE.GENERAL.DEVICE_ALIAS \
    -p NODE.GENERAL.DEVICE_NAME \
    -p SYSTEM.PRODUCTION.DEVICE_NAME \
    -p NODE.GENERAL.LAST_CHANGE \
    -p SYSTEM.PRODUCTION.MAC_ADDR \
    -p SYSTEM.GENERAL.API_VERSION \
    -p SYSTEM.GENERAL.FW_VERSION \
    -p SYSTEM.GENERAL.FW_VERSION_CORE \
    -p NODE.GENERAL.DOMAIN_NAME \
    -p NODE.GENERAL.DNI \
    -p NODE.GENERAL.DOMAIN_ID \
    -p NODE.GENERAL.DEVICE_ID \
    -p NODE.GENERAL.NODE_TYPE \
    -p SYSTEM.GENERAL.DOMAIN_MASTER_CAPABLE \
    -p SYSTEM.GENERAL.SEC_CONTROLLER_CAPABLE \
    -p SYSTEM.GENERAL.SEC_CONTROLLER_STATUS \
    -p DIDMNG.GENERAL.NUM_DIDS \
    -p DIDMNG.GENERAL.DIDS \
    -p DIDMNG.GENERAL.MACS \
    -p DIDMNG.GENERAL.TX_BPS \
    -p DIDMNG.GENERAL.RX_BPS \
    -p DIDMNG.GENERAL.ACTIVE \
    > "${GHN_STATS_FILE}.tmp"; then
    # Do write in two stages to preserve atomicity
    mv "${GHN_STATS_FILE}.tmp" "$GHN_STATS_FILE"
  else
    echo "$0 failed to grab config from G.hn: $GHN_MAC_ADDR"
  fi
  sleep 60
done