#!/bin/bash
#
# conn last revised 2/08/2014
#
# Script to display / email connected nodes by K0KN 7/2013
#
# Usage = conn [Allstar node#] [e]  e = email output
#
# Note: W3m is required for this script to operate.
#

# CHANGE THESE VARIABLES ONLY
# ---------------------------
SENDTO="TARGET EMAIL ADDRESS"
SENDAS="SENDING EMAIL ADDRESS"
SUBJECT="Node $1 html output"
LISTURL="http://stats.allstarlink.org/nodeinfo.cgi?node=$1"
LOGFILE="/var/log/asterisk/connectlog"
FILENAME1="/dev/shm/html_temp"
FILENAME2="/dev/shm/html_temp2"

if [ "$1" == "" ] ; then
echo "Usage = conn [Allstar node#] [e]"; exit
fi

# Set/Flush variables
retrycount=0
TARGET="Error! Cannot open DB file for read"

downloadconnlist ()
{
# Download connection list for specified node
retrycount=$((retrycount + 1))
if [ $retrycount == 10 ] ; then
echo $(date) "conn - Error downloading connection list" >> $LOGFILE ; echo "Error downloading connection list -- exiting" ; exit ; fi
w3m -dump -cols 120 $LISTURL > $FILENAME1 ; checklist
}

checklist ()
{
# Check nodelist for proper header

HEADER=$(grep 'Error! Cannot open DB file for read' $FILENAME1)

if [ "$HEADER" = "$TARGET" ] ; then
echo "Error downloading info" ; downloadconnlist
else
echo "Info downloaded for node"
fi
}

# Run Check/download nodelist routine
downloadconnlist

#############################

# Remove statistics from output
head --lines=-9 "$FILENAME1" > "$FILENAME2"

if ! [ -s "$FILENAME2" ] ; then
echo "Node $1 not found" > $FILENAME2
INVALIDNODE="Node not found"
fi

# Node logging
if ! [ "$2" == "e" -o "$2" == "E" ] ; then
echo $(date) "conn - Displayed connection html page for node $1 $INVALIDNODE ($retrycount attempts)" >> $LOGFILE
clear 
cat $FILENAME2
exit
fi

if [ "$2" == "e" -o "$2" == "E" ] ; then
echo $(date) "conn - Emailed connection html page for node $1 $INVALIDNODE ($retrycount attempts)" >> $LOGFILE
fi

# Email results
mail -s "$SUBJECT $(date)" $SENDTO -- -f $SENDAS < $FILENAME2

# done
rm -f "$FILENAME"1
rm -f "$FILENAME"2
exit 0