#! /bin/sh
# Utility to create manufacturer's oui table
# OUI is "Organizationally Unique Identifier" assigned by IEEE.
# There are currently three duplicate listings, so we can not enforce
# uniqueness in the OUI field.
# - thomas 2000-08-21

args=
update=0

while [ $# -gt 0 ]
do
    case "$1" in
    --update)
        update=1
        ;;
    --noupdate)
        update=0
        ;;
    --help)
        echo "Usage: $0 --[no]update dbname"
        exit
        ;;
    *)
        args="$args $1"
        ;;
    esac
    shift
done

psql -e $args <<EOF
-- Table containing OUI portions of MAC address and manufacturer's name
create table macoui (
  addr macaddr not null,
  name text not null
);

-- Create an index to help lookups
create index macoui_idx on macoui (addr);

-- Function to return manufacturer's name given MAC address
create function manuf (macaddr)
	returns text as '
		select name from macoui m where trunc(\$1) = m.addr;
' language 'SQL';
EOF

if [ $update -gt 0 ]; then
    updateoui $args
fi

exit