#!/bin/bash

## ##    ##    ##    ##    ##    ##    ## ##
##                                        ##
##           jabber ping bot              ##
##                                        ##
##                 v0.1                   ##
##                                        ##
##     author: david@socialnerds.org      ##
##                                        ##
## ##    ##    ##    ##    ##    ##    ## ##


## timestamp for logfile
timestamp=$(date '+%d %B %Y %H:%M')
echo "info: starting jabber ping bot $timestamp"


## check if sendxmpp is installed
if [ $(aptitude search sendxmpp | awk '{print $1}') = "i" ]; then
    echo "info: sendxmpp found"
else
    if [ $(whoami) = "root" ]; then
        apt-get install sendxmpp
    else
        echo "error: permission denied"
        echo "info: install sendxmpp or run this scrip as superuser"
        exit 1
    fi
fi


## set and load configfile
if [ -z $1 ]; then
    configfile="/etc/mobots/ping.conf"
    if [ -f $configfile ]; then
        source $configfile
    else
        echo "error: no config file $configfile" 
        exit 1
    fi
else
    configfile=$1
    if [ -f $configfile ]; then
        source $configfile
    else
        echo "error: no config file $configfile" 
        exit 1
    fi
fi


## check sendxmpp config
if [ -f ~/.sendxmpprc ]; then
    echo "info: jabber config found in ~/.sendxmpprc"
else

    if [ -z $port ]; then
        port="5222"
    else
        echo "info: using port $port"
    fi

    echo "$user@$server:$port $pass" > ~/.sendxmpprc
    chmod 600 ~/.sendxmpprc
    echo "info: created sendxmpp config in ~/.sendxmpprc"
fi

## run the actual ping
set -- $dest

for var in "$@"
do
    #result=$(ping -c 05 $var | grep transmitted | awk '{print $4}')
    ping -c 03 $var >/dev/null 2>&1
    errorcode=$? 
    if [ $errorcode = "0" ]; then
        echo "info: $var is responding"
    else
        if [ $errorcode = "1" ]; then
            echo "alert: $var is not responding"
            ## sending jabber message
            echo "alert: $var is not responding
                  ping errorcode: $errorcode" | sendxmpp -r $res $watchdogs
        else
            if [ $errorcode = "2" ]; then
                echo "alert: $var cannot be resolved"
                ## sending jabber message
                echo "alert: $var cannot be resolved
                      ping errorcode: $errorcode" | sendxmpp -r $res $watchdogs
            fi
        fi
    fi
done

## the end
exit 0