#!/bin/bash#Config    RMLOG=rmlog.awk#Functions    usage(){        echo         echo "--------------------------------------------------------------------------------------------------------"	    echo "    Usage:"        echo        echo "    rmcastplot.bash <max_pckt_sent_by_source> <xyrange> <member1.log> <member2.log> [awk_script_dir] [tgif|png]"        echo        echo "    max_pckt_sent_by_source: amount of packets sent by the source"        echo "    xyrange: [XMIN:XMAX][YMIN:YMAX] gnuplot style"        echo "    member1.log: full path to member log"        echo "    member2_log: full path to member log"        echo "    awk_script_dir: optional parameter. Full path to directory where $RMLOG script is found"        echo "    tgif or png: optional parameter. Changes gnuplot output to generate Tgif files or PNG files"        echo "--------------------------------------------------------------------------------------------------------"	    echo    }    findawk(){        if [ -e $RMLOG ];then            AWKSCRIPT=$RMLOG            echo " found.">&2        else            echo " not found.">&2            usage            exit 0        fi    }# Main    if [ $# -eq 0 ];then        usage        exit 0    else        #Naming parameters            PACKETS_SENT_FROM_SOURCE=$1            XYRANGE=$2            LOG1=$3            LOG2=$4        if [ -z $5 ];then            echo -n "awk script path not provided, trying to find it in local directory ... ">&2            findawk        else            if [ "$5" = "tgif" ];then                echo -n "awk script path not provided, trying to found it in local directory ... ">&2                findawk            else                if [ "$5" = "png" ];then                    echo -n "awk script path not provided, trying to found it in local directory ... ">&2                    findawk                else                    echo -n "Awk script path provided, checking ... ">&2                    if [ -e $5/$RMLOG ];then                        echo "OK.">&2                        AWKSCRIPT=$5/$RMLOG                    else                        echo "FAILED.">&2                        exit 0                    fi                fi            fi        fi        MEMBER1_NAME=`head -1 $LOG1 | awk '{if(NR==1)print $2}'`        MEMBER1_IP=`head -2 $LOG1 | awk '{if(NR==2)print $2}'`        MEMBER1_PID=`head -3 $LOG1 | awk '{if(NR==3)print $2}'`        SENT_PACKETS1=`tail -1 $LOG1 | awk '{if($1 == "Sent_Packets:")print $2}'`        echo                echo "Packets sent by the source= $PACKETS_SENT_FROM_SOURCE"        echo        echo "Member 1 Name= $MEMBER1_NAME"        echo "Member 1 IP= $MEMBER1_IP"        echo "Member 1 PID= $MEMBER1_PID"        echo "Member 1 sent packets= $SENT_PACKETS1"        echo        MEMBER2_NAME=`head -1 $LOG2 | awk '{if(NR==1)print $2}'`        MEMBER2_IP=`head -2 $LOG2 | awk '{if(NR==2)print $2}'`        MEMBER2_PID=`head -3 $LOG2 | awk '{if(NR==3)print $2}'`        SENT_PACKETS2=`tail -1 $LOG2 | awk '{if($1 == "Sent_Packets:")print $2}'`        echo "Member 2 Name= $MEMBER2_NAME"        echo "Member 2 IP= $MEMBER2_IP"        echo "Member 2 PID= $MEMBER2_PID"        echo "Member 2 sent packets= $SENT_PACKETS2"        echo    # Awk filtering        awk -f $AWKSCRIPT maxpcktsource=$PACKETS_SENT_FROM_SOURCE maxpckts=$SENT_PACKETS1 f1=$LOG2 member_ip=$MEMBER1_IP member_pid=$MEMBER1_PID $LOG2        awk -f $AWKSCRIPT maxpcktsource=$PACKETS_SENT_FROM_SOURCE maxpckts=$SENT_PACKETS2 f1=$LOG1 member_ip=$MEMBER2_IP member_pid=$MEMBER2_PID $LOG1    #Preparing to plotting        NAKSPLOT="$LOG1.$LOG2.naksplot"        echo > $NAKSPLOT        if [ "$5" = "png" ];then            echo "set term png small color" >> $NAKSPLOT            echo "set output \"$LOG1\_$LOG2.png\"" >> $NAKSPLOT         fi        echo "plot $XYRANGE \"$LOG2.naksenviados\" title \"$MEMBER2_NAME:$MEMBER2_PID: Naks sent to multicast group\" lt 7" >> $NAKSPLOT        if [ "$5" = "png" ];then            echo "set output \"$LOG1\_$LOG2.png\"" >> $NAKSPLOT         fi        echo "replot \"$LOG1.retenviadas\" title \"$MEMBER1_NAME:$MEMBER1_PID: Retrans. sent to multicast group\" with lines 8" >> $NAKSPLOT        if [ "$5" = "png" ];then            echo "set output \"$LOG1\_$LOG2.png\"" >> $NAKSPLOT         fi        echo "replot \"$LOG2.retrecebidas\" title \"$MEMBER2_NAME:$MEMBER2_PID: Retrans. rcv from $MEMBER1_NAME:$MEMBER1_PID\" with lines" >> $NAKSPLOT    #Plotting        gnuplot -persist <  $NAKSPLOT            #Removing temporary files:    \rm $LOG1.* $LOG2.*fi