--- /dev/null
+#!/usr/bin/perl
+
+##########################################
+##
+## NAME
+##
+## DESCRIPTION
+##
+## Which is part of the ADSL-optimizer.
+##
+## USAGE / FUNCTIONS
+##
+##
+##
+##
+##
+## REQUIRES
+##
+##
+## AUTHOR
+## Jesper Dangaard Brouer <hawk@diku.dk>, d.15/4-2004
+##
+## CHANGELOG
+## 2004-04-15: Initial version.
+## 2005-04-18: Remove some warnings.
+##
+## $Id: parse-func.pl,v 1.15 2005/04/18 12:37:17 hawk Exp $
+##########################################
+
+#use Data::Dumper;
+
+#our %classes_data;
+#our %classes_info;
+#our $tc_command="/sbin/tc";
+
+my @input_htb = (<<"END_OF_HERE_HTB" =~ m/^\s*(.+)/gm);
+class tbf 4220:1 parent 4220:
+class htb 1:1 root rate 400Kbit ceil 400Kbit burst 2111b cburst 2111b
+ Sent 12369084336 bytes 80967118 pkts (dropped 0, overlimits 0)
+ rate 45020bps 258pps
+ lended: 23353805 borrowed: 0 giants: 0
+ tokens: 30210 ctokens: 30210
+
+class htb 1:10 parent 1:1 prio 0 rate 80Kbit ceil 320Kbit burst 1701b cburst 2008b
+ Sent 80640087 bytes 247988 pkts (dropped 0, overlimits 0)
+ backlog 42p
+ lended: 230876 borrowed: 17112 giants: 0
+ tokens: 127200 ctokens: 37940
+
+class htb 1:20 parent 1:1 leaf 4220: prio 1 rate 100Kbit ceil 200Kbit burst 1727b cburst 1855b
+ Sent 2495181573 bytes 44034303 pkts (dropped 5837, overlimits 0)
+ lended: 43825585 borrowed: 208718 giants: 0
+ tokens: 103424 ctokens: 55808
+
+class htb 1:30 parent 1:1 leaf 4230: prio 3 rate 80Kbit ceil 400Kbit burst 1701b cburst 2111b
+ Sent 2060213567 bytes 5465574 pkts (dropped 121, overlimits 0)
+ rate 16851bps 35pps
+ lended: 4556992 borrowed: 908582 giants: 0
+ tokens: -25364 ctokens: 32897
+
+class htb 1:50 parent 1:1 leaf 4250: prio 5 rate 40Kbit ceil 120Kbit burst 1650b cburst 1752b
+ Sent 6071486687 bytes 24448436 pkts (dropped 8086739, overlimits 0)
+ rate 15801bps 85pps backlog 126p
+ lended: 8324530 borrowed: 16123780 giants: 0
+ tokens: -202717 ctokens: -172499
+
+class htb 1:666 parent 1:1 leaf 666: prio 7 rate 4Kbit ceil 40Kbit burst 1604b cburst 1650b
+ Sent 2148626078 bytes 6771069 pkts (dropped 2078536, overlimits 0)
+ rate 5221bps 17pps backlog 125p
+ lended: 675330 borrowed: 6095613 giants: 0
+ tokens: -1149121 ctokens: -293386
+
+END_OF_HERE_HTB
+
+
+my @input_hfsc = (<<"END_OF_HERE_HFSC" =~ m/^\s*(.+)/gm);
+class hfsc 1: root
+ Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
+ period 0 level 2
+
+class hfsc 1:1 parent 1: ls m1 0bps d 0us m2 250Kbit ul m1 0bps d 0us m2 250Kbit
+ Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
+ period 6 work 131770097 bytes level 1
+
+class hfsc 1:10 parent 1:1 rt m1 250Kbit d 30.0ms m2 50Kbit ls m1 250Kbit d 50.0ms m2 50Kbit
+ Sent 1300885 bytes 7052 pkts (dropped 0, overlimits 0)
+ period 6502 work 1300885 bytes rtwork 1245495 bytes level 0
+
+class hfsc 1:20 parent 1: rt m1 0bps d 64.0ms m2 75Kbit ls m1 0bps d 0us m2 250Kbit
+ Sent 19144279 bytes 325503 pkts (dropped 46, overlimits 0)
+ backlog 3p
+ period 20242 work 19143778 bytes level 0
+
+class hfsc 1:30 parent 1:1 leaf 4230: ls m1 0bps d 150.0ms m2 50Kbit
+ Sent 45139930 bytes 74200 pkts (dropped 1664, overlimits 0)
+ backlog 24p
+ period 140 work 44885232 bytes level 0
+
+class hfsc 1:50 parent 1:1 leaf 4250: ls m1 0bps d 235.7ms m2 72Kbit
+ Sent 73910198 bytes 301294 pkts (dropped 104807, overlimits 0)
+ backlog 62p
+ period 115 work 64625490 bytes level 0
+
+class hfsc 1:666 parent 1:1 leaf 666: ls m1 0bps d 1.0s m2 2Kbit
+ Sent 2217104 bytes 17018 pkts (dropped 74526, overlimits 0)
+ backlog 22p
+ period 1 work 1814712 bytes level 0
+
+END_OF_HERE_HFSC
+
+sub parse_class($) {
+ my $device = "$_[0]";
+ my $return_val = 1;
+
+ my $timestamp = time;
+ my @tc_output = `$tc_command -statistics class show dev $device`;
+# my @tc_output = @input_hfsc;
+# my @tc_output = @input_htb;
+ my $result = $?;
+ if ( $result != 0 ) {
+ print "Error executing $tc_command\n";
+ return $result;
+ }
+
+ $classes_data{last_update}{$device} = $timestamp;
+ $classes_info{last_update}{$device} = $timestamp;
+
+ #for my $line (@tc_output) {
+ for my $i (0 .. $#tc_output) {
+
+ my $line=$tc_output[$i];
+ # Parsing HTB:
+ # ------------
+ if ( $line =~ m/class htb (\d+):(\d+)( root| parent )?(\d+:\d?)?( leaf )?(\d+)?:?( prio )?(\d+)? rate (.*) ceil (.*) burst (.*) cburst (.*)/ ) {
+ my $type = "htb";
+ my $major = $1;
+ my $minor = $2;
+ my $class = "${major}-${minor}";
+ #my $hash = "${class}_${device}";
+ my $parent= $4;
+ my $leaf = $6;
+ my $prio = $8;
+ my $rate = $9;
+ my $ceil = $10;
+ my $burst = $11;
+ my $cburst= $12;
+
+# print "class: $class\n"."parent: $parent\n"."leaf: $leaf\n"."prio: $prio\n";
+# print "rate: $rate\n"."ceil: $ceil\n"."burst: $burst\n"."cburst: $cburst\n";
+
+ my ($bytes, $pkts, $dropped, $overlimits);
+ if ($tc_output[$i + 1] =~ m/Sent (\d+) bytes (\d+) pkts \(dropped (\d+), overlimits (\d+)\)/ ) {
+ $bytes = $1;
+ $pkts = $2;
+ $dropped = $3;
+ $overlimits = $4;
+# print "bytes: $bytes\n"."pkts: $pkts\n";
+# print "dropped: $dropped\n"."overlimits: $overlimits\n";
+ } else {
+ print "$timestamp: ERROR(+1) - Unable to parse (class ${class}_$device): ";
+ print "\"$tc_output[$i + 1]\"\n";
+ $return_val="";
+ next;
+ }
+
+ # Problem:
+ # Sometimes the "rate" line is not shown (when a rate cannot be calculated)
+ # And sometimes only "backlog"...
+ # Use $next_index to specify the next line to parse
+ #
+ my $next_index = 3;
+ my ($backlog);
+ if ($tc_output[$i + 2] =~ m/((rate (\d+\w+) )|backlog )(\d+)?(pps )?(backlog )?(\d+)?p?/ ) {
+ $backlog = $7;
+ #print "backlog: $backlog\n";
+ } else {
+# Too verbose:
+# print "$timestamp: WARNING \"rate\" line missing";
+# print " very inactive class ${class}_$device).\n";
+ $next_index = 2;
+ }
+
+ my ($lended, $borrowed, $giants);
+ if ($tc_output[$i + $next_index] =~ m/lended: (\d+) borrowed: (\d+) giants: (\d+)/ ) {
+ $lended = $1;
+ $borrowed = $2;
+ $giants = $3;
+ #print "lended: $lended\n"."borrowed: $borrowed\n"."giants: $giants\n";
+ } else {
+ print "$timestamp: ERROR(+$next_index) - Unable to parse (class ${class}_$device): ";
+ print "\"$tc_output[$i + $next_index]\"\n";
+ $return_val="";
+ next;
+ }
+
+ # Update the hash tables
+ my $hash="${class}_$device";
+
+ # Tests if previous data have been updated to file
+ if ( (exists $classes_data{$hash}{last_update}) &&
+ (exists $classes_data{$hash}{file_update})) {
+ if ( $classes_data{$hash}{last_update} >
+ $classes_data{$hash}{file_update} ){
+ print "Warning: old data from $hash has not been updated to file!\n";
+ }
+ }
+
+ # Update the statistics data
+ # (need a function call for error checking)
+ $classes_data{$hash}{last_update} = $timestamp;
+ update_counter( $hash, $timestamp, "bytes" , $bytes);
+ #(yes I know its bad/redundant, but it makes in easier elsewhere)
+ update_counter( $hash, $timestamp, "bits" , $bytes*8);
+ update_counter( $hash, $timestamp, "pkts" , $pkts);
+ update_counter( $hash, $timestamp, "dropped" , $dropped);
+ update_counter( $hash, $timestamp, "overlimits", $overlimits);
+ update_counter( $hash, $timestamp, "lended" , $lended);
+ update_counter( $hash, $timestamp, "borrowed" , $borrowed);
+ update_counter( $hash, $timestamp, "giants" , $giants);
+ # Not a counter value...
+ $classes_data{$hash}{backlog} = $backlog;
+
+ # Update the info data
+ # (remember to update the "type" first)
+ update_info( $hash, $timestamp, "type" , $type);
+ update_info( $hash, $timestamp, "parent", $parent);
+ update_info( $hash, $timestamp, "leaf" , $leaf);
+ update_info( $hash, $timestamp, "prio" , $prio);
+ update_info( $hash, $timestamp, "rate" , $rate);
+ update_info( $hash, $timestamp, "ceil" , $ceil);
+ update_info( $hash, $timestamp, "burst" , $burst);
+ update_info( $hash, $timestamp, "cburst", $cburst);
+
+ #print "\n";
+ }
+
+ # Parsing HFSC:
+ # -------------
+ if ( $line =~ m/class hfsc (\d+):(\d+)( root| parent )?(\d+:\d?)?( leaf )?(\d+)?:?( rt m1 (\d+\w+?) d (\d+.?\d?\w+) m2 (\d+\w+?))?( ls m1 (\d+\w+?) d (\d+.?\d?\w+) m2 (\d+\w+?))?( ul m1 (\d+\w+?) d (\d+.?\d?\w+) m2 (\d+\w+?))? / ){
+
+ my $type = "hfsc";
+ my $major = $1;
+ my $minor = $2;
+ my $class = "${major}-${minor}";
+ #my $hash = "${class}_${device}";
+ my $parent= $4;
+ my $leaf = $6;
+
+ my $realtime_m1; if (defined $8 && $8 ne '0bps') {$realtime_m1 = $8;}
+ my $realtime_d; if (defined $9 && $9 ne '0us' ) {$realtime_d = $9;}
+ my $realtime_m2 = $10;
+
+ my $linkshare_m1; if (defined $12 && $12 ne '0bps') { $linkshare_m1 = $12;}
+ my $linkshare_d ; if (defined $13 && $13 ne '0us' ) { $linkshare_d = $13;}
+ my $linkshare_m2 = $14;
+
+ my $upperlimit_m1; if (defined $16 && $16 ne '0bps') { $upperlimit_m1 = $16;}
+ my $upperlimit_d ; if (defined $17 && $17 ne '0us' ) { $upperlimit_d = $17;}
+ my $upperlimit_m2 = $18;
+
+ #print "\nType: $type\n";
+ my ($bytes, $pkts, $dropped, $overlimits);
+ if ($tc_output[$i + 1] =~ m/Sent (\d+) bytes (\d+) pkts \(dropped (\d+), overlimits (\d+)\)/ ) {
+ $bytes = $1;
+ $pkts = $2;
+ $dropped = $3;
+ $overlimits = $4;
+ #print "bytes: $bytes\n"."pkts: $pkts\n";
+ #print "dropped: $dropped\n"."overlimits: $overlimits\n";
+ } else {
+ print "$timestamp: ERROR(+1) - Unable to parse (class ${class}_$device): ";
+ print "\"$tc_output[$i + 1]\"\n";
+ $return_val="";
+ next;
+ }
+
+ # Sometimes the "backlog" line is not shown (when there is no backlog...)
+ # Use $next_index to specify the next line to parse
+ #
+ my $next_index = 3;
+ my ($backlog);
+ if ($tc_output[$i + 2] =~ m/backlog (\d+)?p?/ ) {
+ $backlog = $1;
+ #print "backlog: $backlog\n";
+ } else {
+ $next_index = 2;
+ }
+
+ my ($period, $work, $rtwork, $level);
+ if ($tc_output[$i + $next_index] =~ m/period (\d+) (work (\d+) bytes )?(rtwork (\d+) bytes )?level (\d+)/ ) {
+ $period = $1;
+ $work = $3;
+ $rtwork = $5;
+ $level = $6
+ } else {
+ print "$timestamp: ERROR(+$next_index) - Unable to parse (class ${class}_$device): ";
+ print "\"$tc_output[$i + $next_index]\"\n";
+ $return_val="";
+ next;
+ }
+
+
+ # Update the hash tables
+ my $hash="${class}_$device";
+
+ # Tests if previous data have been updated to file
+ if ( (exists $classes_data{$hash}{last_update}) &&
+ (exists $classes_data{$hash}{file_update})) {
+ if ( $classes_data{$hash}{last_update} >
+ $classes_data{$hash}{file_update} ){
+ print "Warning: old data from $hash has not been updated to file!\n";
+ }
+ }
+
+ # HFSC - Update the statistics data
+ # (need a function call for error checking)
+ $classes_data{$hash}{last_update} = $timestamp;
+ update_counter( $hash, $timestamp, "bytes" , $bytes);
+ #(yes I know its bad/redundant, but it makes in easier elsewhere)
+ update_counter( $hash, $timestamp, "bits" , $bytes*8);
+ update_counter( $hash, $timestamp, "pkts" , $pkts);
+ update_counter( $hash, $timestamp, "dropped" , $dropped);
+ update_counter( $hash, $timestamp, "overlimits", $overlimits);
+ # Not a counter value...
+ $classes_data{$hash}{backlog} = $backlog;
+ #
+ # Extra HFSC counters
+ $classes_data{$hash}{hfsc_period} = $period;
+ update_counter( $hash, $timestamp, "hfsc_work" , $work);
+ update_counter( $hash, $timestamp, "hfsc_rtwork" , $rtwork);
+
+
+ # HFSC - Update the info data
+ # (remember to update the "type" first)
+ update_info( $hash, $timestamp, "type" , $type);
+ update_info( $hash, $timestamp, "parent", $parent);
+ update_info( $hash, $timestamp, "leaf" , $leaf);
+ #
+ # Extra HFSC information
+ update_info( $hash, $timestamp, "level" , $level);
+ update_info( $hash, $timestamp, "realtime_m1", $realtime_m1);
+ update_info( $hash, $timestamp, "realtime_d" , $realtime_d);
+ update_info( $hash, $timestamp, "realtime_m2", $realtime_m2);
+
+ update_info( $hash, $timestamp, "linkshare_m1", $linkshare_m1);
+ update_info( $hash, $timestamp, "linkshare_d" , $linkshare_d);
+ update_info( $hash, $timestamp, "linkshare_m2", $linkshare_m2);
+
+ update_info( $hash, $timestamp, "upperlimit_m1", $upperlimit_m1);
+ update_info( $hash, $timestamp, "upperlimit_d" , $upperlimit_d);
+ update_info( $hash, $timestamp, "upperlimit_m2", $upperlimit_m2);
+
+
+ }
+
+ # Parsing XXX:
+ # ------------
+ if ( $line =~ m/class XXX/ ) {
+ print "Matching class XXX\n";
+ }
+
+ }
+ return $return_val;
+}
+
+# The main purpose of this function is to detect counter resets
+# and avoid parsing them on to RRDtool which interprets them
+# as counter overflows, thus updating with a very large number.
+sub update_counter ($$$$) {
+ my $class_hash = "$_[0]";
+ my $timestamp = "$_[1]";
+ my $data_key = "$_[2]";
+ my $new_value;
+ if ( defined $_[3]) {
+ $new_value = "$_[3]";
+ }
+ #
+ my $max_allowed_wrap_increase = 100000000;
+ my $old_value;
+ if (exists $classes_data{$class_hash}{$data_key}) {
+ $old_value = $classes_data{$class_hash}{$data_key};
+ #print "old_value: $old_value\n";
+ }
+
+# # If the new and old value is not defined, nothing is done
+# if ((not defined $new_value) && (not defined $old_value)) {
+# return "";
+# }
+
+ # Argh... the tc program outputs in unsigned long long (64 bit).
+ # but perls integers should be 32 bit, but some how perl
+ # manages to store numbers larger than 32 bit numbers.
+ my $MAX_VALUE=0xFFFFFFFF;
+
+ if ((defined $new_value) && (defined $old_value)) {
+ my $delta = $new_value - $old_value;
+ if ( $delta < 0 ) {
+ # Counter wrap around...
+ my $real_delta = $delta + $MAX_VALUE + 1;
+ if ($real_delta < 0) {
+ print "($class_hash:$data_key): Perl-Magic using numbers bigger than 32bit ";
+ print "new:$new_value - old:$old_value = delta:$delta, real_delta:$real_delta.\n";
+ }
+ print time . " ($class_hash:$data_key) Info: Counter wrap around (real delta:$real_delta)\n";
+ if ( ($real_delta > $max_allowed_wrap_increase) ||
+ ($real_delta < 0)) {
+ # Properly a counter reset and not a wrap around
+ # A counter reset normally a result of a reload of the classes
+ $classes_data{$class_hash}{$data_key} = undef;
+ $classes_info{$class_hash}{counter_reset} = $timestamp;
+ $classes_info{$class_hash}{last_update} = $timestamp;
+ print time . "Warning: Real_delta too big, assuming Counter reset";
+ print "($class_hash:$data_key)\n";
+ return "Counter reset";
+ }
+ }
+ }
+
+ $classes_data{$class_hash}{$data_key} = $new_value;
+ return 1;
+}
+
+sub update_info ($$$$) {
+ my $class_hash = "$_[0]";
+ my $timestamp = "$_[1]";
+ my $info_key = "$_[2]";
+ my $new_value;
+ if ( defined $_[3]) {
+ $new_value = "$_[3]";
+ }
+ my $old_value;
+ if (exists $classes_info{$class_hash}{$info_key}) {
+ $old_value = $classes_info{$class_hash}{$info_key};
+ #print "old_value: $old_value\n";
+ }
+
+ # If the new and old value is not defined, nothing is done
+ if ((not defined $new_value) && (not defined $old_value)) {
+ return "";
+ }
+
+ # An update is needed
+ # - if the old_value is not defined and new_value is defined
+ # - if the new_value is not defined and old_value is defined
+ # - if the old_value differs from the new,
+ #
+ if ( ((not defined $old_value) and (defined $new_value)) ||
+ ((not defined $new_value) and (defined $old_value)) ||
+ ("$old_value" ne "$new_value")) {
+
+ # Special case: If the "type" changes the hash should be cleared
+ if ( "$info_key" eq "type") {
+ #print "Type has changed clearing hash \n";
+ for my $key ( keys %{ $classes_info{$class_hash} } ) {
+ delete( $classes_info{$class_hash}{$key});
+ print " Deleting key: $key from: $class_hash \n";
+ }
+ }
+
+ if (defined $new_value) {
+ $classes_info{$class_hash}{$info_key} = $new_value;
+ } else {
+ #print "New value undef -> Deleting key: $info_key from: $class_hash\n";
+ delete($classes_info{$class_hash}{$info_key});
+ }
+
+ # Mark the class for an info-file update
+ $classes_info{$class_hash}{last_update} = $timestamp;
+
+ # Update list/array of "changed" keys
+ push @{ $classes_info{$class_hash}{changed} }, $info_key;
+
+ # Print debug info
+ #print "Update class:$class_hash $info_key=";
+ #if (defined $new_value) {print "$new_value"};
+ #print "\n";
+ return 1;
+ }
+ return "";
+}
+
+# test
+#parse_class(eth1);
+
+#print Dumper(%classes_data);
+#print Dumper(%classes_info);
+
+return 1;