#!/bin/sh

HOSTNAME="${COLLECTD_HOSTNAME:-Galactica}"
INTERVAL="${COLLECTD_INTERVAL:-30}"
VDSL2_STATUS="/tmp/vdsl2_status.html"

while sleep "$INTERVAL"; do

        # Session ID holen
        SESSION_ID=`/usr/bin/curl --data 'changed=1&PASSWD=admin' --silent http://192.168.100.2/cgi-bin/login.html | grep URL | cut -c65-96`

        # VDSL2-Status abrufen
        /usr/bin/curl --silent "http://192.168.100.2/cgi-bin/vdsl2_status.html?SESSION_ID=$SESSION_ID" > $VDSL2_STATUS

        # Aktuelle Bitraten
        VDSL2_DOWNLOAD_BITRATE=`xmllint --html --xpath "//table[2]/tr[2]/td[3]" $VDSL2_STATUS | cut -c6-12`
        VDSL2_UPLOAD_BITRATE=`xmllint --html --xpath "//table[2]/tr[2]/td[4]" $VDSL2_STATUS | cut -c6-12`

        # Maximale Bitraten
        VDSL2_DOWNLOAD_MAX_BITRATE=`xmllint --html --xpath "//table[2]/tr[3]/td[3]" $VDSL2_STATUS | cut -c6-12`
        VDSL2_UPLOAD_MAX_BITRATE=`xmllint --html --xpath "//table[2]/tr[3]/td[4]" $VDSL2_STATUS | cut -c6-12`

        # SNR
        SNR0_DOWNLOAD=`xmllint --html --xpath "//table[3]/tr[2]/td[3]" $VDSL2_STATUS | cut -c6-9`
        SNR0_UPLOAD=`xmllint --html --xpath "//table[3]/tr[2]/td[4]" $VDSL2_STATUS | cut -c6-9`
        SNR1_DOWNLOAD=`xmllint --html --xpath "//table[3]/tr[3]/td[3]" $VDSL2_STATUS | cut -c6-9`
        SNR1_UPLOAD=`xmllint --html --xpath "//table[3]/tr[3]/td[4]" $VDSL2_STATUS | cut -c6-9`
        SNR2_DOWNLOAD=`xmllint --html --xpath "//table[3]/tr[4]/td[3]" $VDSL2_STATUS | cut -c6-9`
        SNR2_UPLOAD=`xmllint --html --xpath "//table[3]/tr[4]/td[4]" $VDSL2_STATUS | cut -c6-9`

        # SATN
        SATN0_DOWNLOAD=`xmllint --html --xpath "//table[3]/tr[6]/td[3]" $VDSL2_STATUS | cut -c6-9`
        SATN0_UPLOAD=`xmllint --html --xpath "//table[3]/tr[6]/td[4]" $VDSL2_STATUS | cut -c6-9`
        SATN1_DOWNLOAD=`xmllint --html --xpath "//table[3]/tr[7]/td[3]" $VDSL2_STATUS | cut -c6-9`
        SATN1_UPLOAD=`xmllint --html --xpath "//table[3]/tr[7]/td[4]" $VDSL2_STATUS | cut -c6-9`
        SATN2_DOWNLOAD=`xmllint --html --xpath "//table[3]/tr[8]/td[3]" $VDSL2_STATUS | cut -c6-9`
        SATN2_UPLOAD=`xmllint --html --xpath "//table[3]/tr[8]/td[4]" $VDSL2_STATUS | cut -c6-9`

        # Tmp löschen
        rm $VDSL2_STATUS

        echo "PUTVAL $HOSTNAME/exec-vdsl2_status/gauge-bitrate_download interval=$INTERVAL N:$VDSL2_DOWNLOAD_BITRATE"
        echo "PUTVAL $HOSTNAME/exec-vdsl2_status/gauge-bitrate_upload interval=$INTERVAL N:$VDSL2_UPLOAD_BITRATE"
        echo "PUTVAL $HOSTNAME/exec-vdsl2_status/gauge-bitrate_max_download interval=$INTERVAL N:$VDSL2_DOWNLOAD_MAX_BITRATE"
        echo "PUTVAL $HOSTNAME/exec-vdsl2_status/gauge-bitrate_max_upload interval=$INTERVAL N:$VDSL2_UPLOAD_MAX_BITRATE"
done