#!/bin/sh

# {{{ Variables
SPOOLS="deferred active sent bounced"
SPOOL=""
# }}}

# {{{ usage()
usage() {
cat <<EOH
USAGE: $(basename "$0") [OPTIONS]

Count emails handled by postfix (using logtail)

Options:
    -h  Shows this help
    -s  Spool ($(echo "${SPOOLS}" | sed 's/ / or /g'))
EOH
}
# }}}

# {{{ main()
while getopts "hs:" OPT ; do
    case "$OPT" in 
        h)
            usage
            exit 0
            ;;
        s)
            SPOOL="$OPTARG"
            ;;
    esac
done

if [ -z "${SPOOL}" ]; then
    printf "[ERR] Spool is missing\n"
    usage
    exit 1
fi

case "${SPOOL}" in
    deferred)
        /usr/sbin/postqueue -p | egrep -c "^[0-9A-F]{10}[^*]"
        ;;
    active)
        /usr/sbin/postqueue -p | egrep -c "^[0-9A-F]{10}[*]"
        ;;
    sent)
        /usr/sbin/logtail -f /var/log/mail.log -o /var/tmp/zabbix_sent.log | grep -c "postfix/smtp.*status=sent"
        ;;
    bounced)
        /usr/sbin/logtail -f /var/log/mail.log -o /var/tmp/zabbix_bounces.log | grep -c "postfix/smtp.*status=bounced"
        ;;
    *)
        printf "[ERR] info '${SPOOL}' not available in [$(echo "${SPOOLS}" | sed 's/ /, /g')]\n"
        ;;
esac

exit 0
# }}}

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