#! /usr/bin/perl
# ---------------------------------------------------------------------------
#
# USAGE: xferstats <options>
#
# OPTIONS:
#       -f <filename>   Use <filename> for the log file
#       -r              include real users 
#       -a              include anonymous users 
#       -h		include report on hourly traffic
#       -d		include report on domain traffic
#       -t		report on total traffic by section
#       -D <domain>     report only on traffic from <domain>
#       -l <depth>      Depth of path detail for sections
#       -s <section>    Section to report on, For example: -s /pub will report
#				only on paths under /pub
#
# ---------------------------------------------------------------------------

# edit the next two lines to customize for your domain.
# This will allow your domain to be seperated in the domain listing.

$mydom1 = "wustl";
$mydom2 = "edu";

# edit the next line to customize for your default log file
$usage_file = "/usr/adm/xferlog";

# Edit the following lines for default report settings.
# Entries defined here will be over-ridden by the command line.

$opt_h = 1; 
$opt_d = 0;
$opt_t = 1;
$opt_l = 3;

require 'getopts.pl';
&Getopts('f:rahdD:l:s:');

if ($opt_r) { $real = 1;}
if ($opt_a) { $anon = 1;}
if ($real == 0 && $anon == 0) { $anon = 1; }
if ($opt_f) {$usage_file = $opt_f;}

open (LOG,$usage_file) || die "Error opening usage log file: $usage_file\n";

if ($opt_D) {print "Transfer Totals include the '$opt_D' domain only.\n";
	     print "All other domains are filtered out for this report.\n\n";}

if ($opt_s) {print "Transfer Totals include the '$opt_s' section only.\n";
	     print "All other sections are filtered out for this report.\n\n";}

line: while (<LOG>) {

   @line = split;
   next if ($#line != 16);
   next if (!$anon && $line[12] eq "a");
   next if (!$real && $line[12] eq "r");
 
   $daytime = substr($_, 0, 10) . substr($_, 19, 5);
   $time = substr($_,11,2); 

   if ($line[8] eq "\.") { $line[8] = "/unreadable/filename";}
   next if (substr($line[8],0,length("$opt_s")) ne "$opt_s");
   $line[8] = substr($line[8],length("$opt_s"));
   @path = split(/\//, $line[8]);

#
# Why was the origional xferstats dropping leading 1 character path
# segments???
#
#  while (length($path[1]) <= 1) {
#     shift @path;
#     next line if ($#path == -1);
#  }

# Things in the top-level directory are assumed to be informational files

   if ($#path == 1)
      { $pathkey = "Index/Informational Files"; }
      else {
	$pathkey = "";
	for ($i=1; $i <= $#path-1 && $i <= $opt_l;$i++) {
		$pathkey = $pathkey . "/" . $path[$i];
		}
	}

   $line[6] =~ tr/A-Z/a-z/;

   @address = split(/\./, $line[6]);

   $domain = $address[$#address];
   if ($domain eq "$mydom2" && $address[$#address-1] eq "$mydom1")
      { $domain = $mydom1 . "." . $mydom2; }
   if ( int($address[0]) > 0 || $#address < 2 )
      { $domain = "unresolved"; }

   $count = 1;
   if ($opt_D)
     {if (substr($domain,0,length("$opt_D")) eq "$opt_D" ) { $count = 1;} else
     {$count = 0;}
     }


   if ($count) {

   $xferfiles++;                                # total files sent
   $xfertfiles++;                               # total files sent
   $xferfiles{$daytime}++;                      # files per day
   $groupfiles{$pathkey}++;                     # per-group accesses
   $domainfiles{$domain}++;

   $xfersecs{$daytime}    += $line[5];          # xmit seconds per day
   $domainsecs{$domain}   += $line[5];		# xmit seconds for domain
   $xferbytes{$daytime}   += $line[7];          # bytes per day
   $domainbytes{$domain}  += $line[7];		# xmit bytes to domain
   $xferbytes             += $line[7];          # total bytes sent
   $groupbytes{$pathkey}  += $line[7];          # per-group bytes sent

   $xfertfiles{$time}++;                        # files per hour
   $xfertsecs{$time}      += $line[5];          # xmit seconds per hour
   $xfertbytes{$time}     += $line[7];          # bytes per hour
   $xfertbytes            += $line[7];          # total bytes sent
   }
}
close LOG;

@syslist = keys(systemfiles);
@dates = sort datecompare keys(xferbytes);

if ($xferfiles == 0) {die "There was no data to process.\n";}


print "TOTALS FOR SUMMARY PERIOD ", $dates[0], " TO ", $dates[$#dates], "\n\n";
printf ("Files Transmitted During Summary Period  %12.0f\n", $xferfiles);
printf ("Bytes Transmitted During Summary Period  %12.0f\n", $xferbytes); 
printf ("Systems Using Archives                   %12.0f\n\n", $#syslist+1);

printf ("Average Files Transmitted Daily          %12.0f\n",
   $xferfiles / ($#dates + 1));
printf ("Average Bytes Transmitted Daily          %12.0f\n",
   $xferbytes / ($#dates + 1));

format top1 =

Daily Transmission Statistics

                 Number Of    Number of    Average    Percent Of  Percent Of
     Date        Files Sent  Bytes  Sent  Xmit  Rate  Files Sent  Bytes Sent
---------------  ----------  -----------  ----------  ----------  ----------
.

format line1 =
@<<<<<<<<<<<<<<  @>>>>>>>>>  @>>>>>>>>>>  @>>>>>>>>>  @>>>>>>>    @>>>>>>>  
$date,           $nfiles,    $nbytes,     $avgrate,   $pctfiles,  $pctbytes
.

$^ = top1;
$~ = line1;

foreach $date ( sort datecompare keys(xferbytes) ) {

   $nfiles   = $xferfiles{$date};
   $nbytes   = $xferbytes{$date};
   $avgrate  = sprintf("%5.1f KB/s", $xferbytes{$date}/$xfersecs{$date}/1000);
   $pctfiles = sprintf("%8.2f", 100*$xferfiles{$date} / $xferfiles);
   $pctbytes = sprintf("%8.2f", 100*$xferbytes{$date} / $xferbytes);
   write;
}

if ($opt_t) {
format top2 =

Total Transfers from each Archive Section (By bytes)

                                                 ---- Percent  Of ----
     Archive Section      Files Sent Bytes Sent  Files Sent Bytes Sent
------------------------- ---------- ----------- ---------- ----------
.

format line2 =
@<<<<<<<<<<<<<<<<<<<<<<<< @>>>>>>>>> @>>>>>>>>>> @>>>>>>>   @>>>>>>>
$section,                 $files,    $bytes,     $pctfiles, $pctbytes
.

$| = 1;
$- = 0;
$^ = top2;
$~ = line2;

foreach $section ( sort bytecompare keys(groupfiles) ) {

   $files = $groupfiles{$section};
   $bytes = $groupbytes{$section};
   $pctbytes = sprintf("%8.2f", 100 * $groupbytes{$section} / $xferbytes);
   $pctfiles = sprintf("%8.2f", 100 * $groupfiles{$section} / $xferfiles);
   write;

}

if ( $xferfiles < 1 ) { $xferfiles = 1; }
if ( $xferbytes < 1 ) { $xferbytes = 1; }
}

if ($opt_d) {
format top3 =

Total Transfer Amount By Domain

             Number Of    Number of     Average    Percent Of  Percent Of
Domain Name  Files Sent   Bytes Sent   Xmit  Rate  Files Sent  Bytes Sent
-----------  ----------  ------------  ----------  ----------  ----------
.

format line3 =
@<<<<<<<<<<  @>>>>>>>>>  @>>>>>>>>>>>  @>>>>>>>>>  @>>>>>>>    @>>>>>>>  
$domain,     $files,     $bytes,       $avgrate,   $pctfiles,  $pctbytes
.

$- = 0;
$^ = top3;
$~ = line3;

foreach $domain ( sort domnamcompare keys(domainfiles) ) {

   if ( $domainsecs{$domain} < 1 ) { $domainsecs{$domain} = 1; }

   $files = $domainfiles{$domain};
   $bytes = $domainbytes{$domain};
   $avgrate  = sprintf("%5.1f KB/s",
                  $domainbytes{$domain}/$domainsecs{$domain}/1000);
   $pctfiles = sprintf("%8.2f", 100 * $domainfiles{$domain} / $xferfiles);
   $pctbytes = sprintf("%8.2f", 100 * $domainbytes{$domain} / $xferbytes);
   write;

}

print "\n";
print "These figures only reflect ANONYMOUS FTP transfers.  There are many\n";
print "sites which mount the archives via NFS, and those transfers are not\n";
print "logged and reported by this program.\n\n";

}

if ($opt_h) {

format top8 =

Hourly Transmission Statistics

                 Number Of    Number of    Average    Percent Of  Percent Of
     Time        Files Sent  Bytes  Sent  Xmit  Rate  Files Sent  Bytes Sent
---------------  ----------  -----------  ----------  ----------  ----------
.

format line8 =
@<<<<<<<<<<<<<<  @>>>>>>>>>  @>>>>>>>>>>  @>>>>>>>>>  @>>>>>>>    @>>>>>>>  
$time,           $nfiles,    $nbytes,     $avgrate,   $pctfiles,  $pctbytes
.


$| = 1;
$- = 0;
$^ = top8;
$~ = line8;

foreach $time ( sort keys(xfertbytes) ) {

   $nfiles   = $xfertfiles{$time};
   $nbytes   = $xfertbytes{$time};
   $avgrate  = sprintf("%5.1f KB/s", $xfertbytes{$time}/$xfertsecs{$time}/1000);
   $pctfiles = sprintf("%8.2f", 100*$xfertfiles{$time} / $xferfiles);
   $pctbytes = sprintf("%8.2f", 100*$xfertbytes{$time} / $xferbytes);
   write;
}
}
exit(0);

sub datecompare {

   $date1  = substr($a, 11, 4) * 4800;
   $date2  = substr($b, 11, 4) * 4800;
   $date1 += index("JanFebMarAprMayJunJulAugSepOctNovDec",substr($a, 4, 3))*400;
   $date2 += index("JanFebMarAprMayJunJulAugSepOctNovDec",substr($b, 4, 3))*400;
   $date1 += substr($a, 8, 2);
   $date2 += substr($b, 8, 2);
   $date1 - $date2;

}

sub domnamcompare {

   $sdiff = length($a) - length($b);
   ($sdiff < 0) ? -1 : ($sdiff > 0) ? 1 : ($a lt $b) ? -1 : ($a gt $b) ? 1 : 0;

}

sub bytecompare {

   $bdiff = $groupbytes{$b} - $groupbytes{$a};
   ($bdiff < 0) ? -1 : ($bdiff > 0) ? 1 : ($a lt $b) ? -1 : ($a gt $b) ? 1 : 0;

}

sub faccompare {

   $fdiff = $fac{$b} - $fac{$a};
   ($fdiff < 0) ? -1 : ($fdiff > 0) ? 1 : ($a lt $b) ? -1 : ($a gt $b) ? 1 : 0;

}