source: branches/reconfiguration/modules/dspin_router/caba/test/synthetic_test/scripts/broadcast_check.sh @ 1029

#!/usr/bin/env sh
# @author       Cesar Armando Fuguet Tortolero
# @date         24 May, 2015
# @brief        This script validates that a broadcast transaction reaches once
#                       and only once every non-faulty router in the platform.
fname=$1
npkts=$2

awk '
BEGIN {
        npkts=50

        rcvpkts=0
        nrecvrs=0

        sndpkts=0
        nsendrs=0
}

#   Parse the number of sent broadcast packets
/broadcast sent packets += +/ {
        sent=$6
        if (sent > 0) {
                if (nsendrs > 1) {
                        print "error: more than one initiator sent broadcast packets\n"
                        exit 1
                }
                if (sent != npkts) {
                        print "error: the number of sent broadcast packets does not "
                        print "correspond to the one specified\n"
                        exit 1
                }
                nsendrs++;
                sndpkts=sent;
        }
}

#   Parse the number of received broadcast packets
/broadcast received packets +=/ {
        received=$6
        if (received == 0) {
                zero++;
        }
        else {
                if (received != npkts) {
                        print "error: at least a router received a number of broadcast ";
                        if (received > npkts) {
                                print "greater than the number of broadcast sent\n";
                        }
                        else {
                                print "less than the number of broadcast sent\n";
                        }
                        exit 1
                }
                nrecvrs++;
                rcvpkts=received
        }
}

#   Validate the file
END {
        # it should be only two routers that do not receive the broadcast:
        # the source and the faulty router.
        if (zero > 2) {
                print "error: some routers did not received broadcasts\n";
                exit 1;
        }
        if (zero == 1) {
                print "error: the broadcast source received broadcasts\n";
                exit 1;
        }

        print "sent: " sndpkts " / # senders: " nsendrs;
        print "received: " rcvpkts " / # receivers " nrecvrs "\n";
        exit 0;
}' $fname
if [[ $? == 1 ]]; then exit 1; fi