#! /bin/sh
: '/*********************************************************************
	uuusage
		Print summary of UUCP usage
	Alan S. Watt
   
	Sccsid=@(#)uuusage.sh	1.1.1 (2.11BSD) 1996/10/25

	usage:
		uuusage [-s] [-t] [period]

	arguments:
		-s	Just produce the system summary; dont include
			individual user statistics.

		-t	Produce tbl(1) output.

		period	One of:
			  today		Just print todays activities
			  week		Week to date totals
			  month		Month to date totals
			  m_name	Totals for month <m_name> which
					is a three letter abbreviation
					for the month name.
   
	history:
		02/28/83	original version
   *********************************************************************/'

: 'format of SYSLOG is:'
:	'cox onyxasw (4/16-18:24) received data 98 bytes 1 secs'
: 'format for newer version of UUCP stuff is:'
:	'swatt decvax (12/30-21:15) (378612944) sent data 64 bytes 0 secs'
: 'array usage:'
: '	files[name] == total number of files transferred'
: '	bytes[name] == total number of bytes sent'
: '	time[name] == total time spent by user'
: '	totfiles,tottime,totbytes are like above, but totals'
: '	sfiles[sname] == files transferred at request of system sname'
: '	sbytes[sname] == bytes sent/received at request of sname'
: '	stime[sname] == time spent at request of sname'

uudir=/usr/spool/uucp
uutbl=/usr/sbin/uutbl
slogprefix="$uudir/OLD/SYSLOG"
ologprefix="$uudir/OLD/UUUSAGE"
month=
tbloutput=0
systmonly=0
for arg
do
	case $arg in
	-s)	: 'Only print system usage'
		systmonly=1
		;;
	-t)	: 'Generate TBL commands'
		tbloutput=1 ; systmonly=1
		;;
	today)	files="$uudir/SYSLOG"
		;;
	week)	files="$slogprefix.week $uudir/SYSLOG"
		;;
	month)	files="$slogprefix.month $slogprefix.week $uudir/SYSLOG"
		;;
	[Jj]an)	month=Jan
		;;
	[Ff]eb)	month=Feb
		;;
	[Mm]ar)	month=Mar
		;;
	[Aa]pr)	month=Apr
		;;
	[Mm]ay)	month=May
		;;
	[Jj]un)	month=Jun
		;;
	[Jj]ul)	month=Jul
		;;
	[Aa]ug)	month=Aug
		;;
	[Ss]ep)	month=Sep
		;;
	[Oo]ct)	month=Oct
		;;
	[Nn]ov)	month=Nov
		;;
	[Dd]ec)	month=Dec
		;;
	*)	files="$files $arg"
		;;
	esac
done

: 'look for short cut on monthly summaries.  If we have one,
   just dump the summary, deleting the user information part if
   -s set; running output through $utbl if -t set.
  '
case $month in
'')	;;
*) \
	if [ -s ${ologprefix}.${month} ]
	then
		case $systmonly$tbloutput in
		"00")	grep -v "uuusage: mangled record" \
				${ologprefix}.${month}
			;;
		"10")	grep -v "uuusage: mangled record" \
				${ologprefix}.${month} \
				| sed -e '2,/^$/d'
			;;
		"01"|"11") \
			uuusage -s ${month} | $uutbl
			;;
		esac
		exit
	else
		files=${slogprefix}.${month} 
	fi ;;
esac

: 'Default report: today"s transfers'
case $files in
  '')	files="$uudir/SYSLOG"
		;;
esac

case $tbloutput in
 1)	uuusage -s ${files} | $uutbl
	exit ;;
esac

flist=
for f in $files
do
	if [ -r $f ]
	then
		flist="$flist $f"
	else
		echo "$f: Cannot read file"
	fi
done

set " " $flist ; shift
case $# in
0)	echo "no files to process" ; exit 1 ;;
esac

awk '
BEGIN {
	systmonly='"$systmonly"'
	fmon = 1000; lmon = -1000
	oldnf = 9; newnf = 10
	# User Format:
	# user files bytes time Avgsiz Avgtim
	dfmt = "%-10s%6d%10d%8d%7d%7d\n"
	sfmt = "%-10s%6s%10s%8s%7s%7s\n"
	# System Format:
	# system files bytes time Avgsiz Avgtim rate
	sfmt1 = "%-10s%6s%10s%8s%7s%7s%7s\n"
	dfmt1 = "%-10s%6d%10d%8d%7d%7d%7d\n"
	space = ""

	# width of output for centering purposes
	width = 52
}
(NR == 1) {

	# Protect against partial records
	maxfields = NF
	if (NF == oldnf)
		oldfmt++
	else if (NF == newnf)
		newfmt++
	else {
		# cant seem to get awk to really exit here
		# it still tries to produce the report
		printf "uuusage: mangled format of 1st record\n"
		printf "must be either %d or %d fields\n", oldnf, newnf
		exit (1)
	}
}
(NF != maxfields) {
	printf "uuusage: mangled record #%d in file %s (ignored)\n", \
		NR, FILENAME
}
(NF == maxfields) {

	# protect against format changes
	D_name = $1
	D_sname = $2
	D_date = $3

	# Old (V7/32V format vs. system III format)
	if (oldfmt) {
		D_bytes = $6
		D_time = $8
	}
	else if (newfmt) {
		D_bytes = $7
		D_time = $9
	}

	# protect against division by 0
	if (D_time == 0)
		D_time = 1

	# stash user usage info
	if (!systmonly) {
		name[D_name] = D_name; bytes[D_name] += D_bytes
		time[D_name] += D_time; files[D_name] += 1
	}

	# stash system usage info
	sname[D_sname] = D_sname; sbytes[D_sname] += D_bytes
	stime[D_sname] += D_time
	sfiles[D_sname] += 1

	# get the date of the transfer
	n = index (D_date, "/")
	cmon = substr (D_date, 2, n-2)
	m = index (D_date, "-")
	n++
	cday = substr (D_date, n, m-n)


	# keep earliest and latest dates (naive about new year)
	if (int(cmon) < int(fmon) || (cmon == fmon && int(cday) < int(fday))) {
		fmon = cmon
		fday = cday
	}
	if (int(cmon) > int(lmon) || (cmon == lmon && int(cday) > int(lday))) {
		lmon = cmon
		lday = cday
	}
}
END {
	banner = sprintf "UUCP Usage from %s/%s to %s/%s", \
		fmon,fday,lmon,lday
	precision = (width-length(banner))/2
	format = sprintf "%%%ds\n", precision + length(banner)
	printf format, banner
	if (!systmonly) {
		printf sfmt, "user", "files", "bytes", "time", \
			"Avgsiz", "Avgtim"
		totfiles=0; totbytes=0; tottime=0
		for (n in name) {
			printf dfmt, n, files[n], bytes[n], time[n], \
				bytes[n]/files[n], time[n]/files[n]
			totfiles += files[n]
			totbytes += bytes[n]
			tottime += time[n]
		}
		printf dfmt, "total", totfiles, totbytes, tottime, \
			totbytes/totfiles, tottime/totfiles
		print space
	}

	# now print system usage info
	printf sfmt1, "system", "files", "bytes", "time", \
		"Avgsiz", "Avgtim", "rate"
	totfiles=0; totbytes=0; tottime=0
	for (n in sname) {
		printf dfmt1, n, sfiles[n], sbytes[n], stime[n], \
			sbytes[n]/sfiles[n], stime[n]/sfiles[n], \
			sbytes[n]/stime[n]
		totfiles += sfiles[n]
		totbytes += sbytes[n]
		tottime += stime[n]
	}
	printf dfmt1, "total", totfiles, totbytes, tottime, \
		totbytes/totfiles, tottime/totfiles, totbytes/tottime
} ' $flist