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raw | patch | inline | side by side (parent: 78736e6)
raw | patch | inline | side by side (parent: 78736e6)
| author | tokkee <tokkee> | |
| Sun, 4 Dec 2005 18:16:13 +0000 (18:16 +0000) | ||
| committer | tokkee <tokkee> | |
| Sun, 4 Dec 2005 18:16:13 +0000 (18:16 +0000) |
13 files changed:
| AUTHORS | [new file with mode: 0644] | patch | blob |
| configure.in | patch | blob | history | |
| contrib/museum/collection.cgi | [new file with mode: 0755] | patch | blob |
| contrib/users | [new file with mode: 0755] | patch | blob |
| debian/collectd-users.files | [new file with mode: 0644] | patch | blob |
| debian/collectd.examples | [new file with mode: 0644] | patch | blob |
| debian/control | patch | blob | history | |
| debian/rules | patch | blob | history | |
| src/Makefile.am | patch | blob | history | |
| src/collectd.pod | patch | blob | history | |
| src/config.h.in | [new file with mode: 0644] | patch | blob |
| src/users.c | [new file with mode: 0644] | patch | blob |
| src/users.h | [new file with mode: 0644] | patch | blob |
diff --git a/AUTHORS b/AUTHORS
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,31 @@
+This package was written by:
+ Florian octo Forster <octo@verplant.org>
+
+cpufreq module by:
+ Peter Holik <peter@holik.at>
+
+hddtemp module by:
+ Vincent Stehlé <vincent.stehle@free.fr>
+
+nfs module by:
+ Jason Pepas <cell@ices.utexas.edu>
+
+processes module by:
+ Lyonel Vincent <lyonel@ezix.org>
+
+serial module by:
+ David Bacher <drbacher@gmail.com>
+
+tape module by:
+ Scott Garrett <sgarrett@technomancer.com>
+
+users module by:
+ Sebastian Harl <sh@tokkee.org>
+
+don't-fork-patch by:
+ Alvaro Barcellos <alvaro.barcellos@gmail.com>
+
+collectd is available at:
+ <http://verplant.org/collectd/>
+
+Enjoy :)
diff --git a/configure.in b/configure.in
index 690a623b9267d9f2e1c531ca2177ca0ddc031d0a..14f4806f399b963ff5981d6b1dcdf966d369b03c 100644 (file)
--- a/configure.in
+++ b/configure.in
fi
AM_CONDITIONAL(BUILD_MODULE_TRAFFIC, test "x$enable_traffic" = "xyes")
+AC_ARG_ENABLE(users, AC_HELP_STRING([--disable-users], [Disable user count statistics]),, [enable_users="yes"])
+if test "x$enable_users" != "xno"
+then
+ if test "x$ac_system" = "xLinux"
+ then
+ enable_users="yes"
+ else
+ enable_users="no"
+ fi
+fi
+if test "x$enable_users" = "xno"
+then
+ AC_DEFINE(COLLECT_USERS, 0, [Wether or not to collect user count statistics])
+fi
+AM_CONDITIONAL(BUILD_MODULE_USERS, test "x$enable_users" = "xyes")
+
AC_OUTPUT(Makefile src/libping/Makefile src/Makefile)
cat <<EOF;
swap . . . . . . . $enable_swap
tape . . . . . . . $enable_tape
traffic . . . . . . $enable_traffic
+ users . . . . . . . $enable_users
EOF
diff --git a/contrib/museum/collection.cgi b/contrib/museum/collection.cgi
--- /dev/null
@@ -0,0 +1,1211 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+no warnings ('qw');
+
+use CGI;
+use RRDs;
+use Fcntl (qw(:flock));
+use Carp (qw(carp cluck confess croak));
+
+our $Config = read_config ();
+
+our $AbsDir;
+our $RelDir;
+our $Type;
+our $Inst;
+our $TimeSpan;
+
+for (qw(Red Green Blue Yellow Cyan Magenta))
+{
+ $Config->{'Colors'}{"Half$_"} = color_calculate_transparent ($Config->{'Colors'}{'Alpha'},
+ $Config->{'Colors'}{'Canvas'}, $Config->{'Colors'}{"Full$_"});
+}
+
+$Config->{'Colors'}{'HalfBlueGreen'} = color_calculate_transparent ($Config->{'Colors'}{'Alpha'},
+ $Config->{'Colors'}{'Canvas'}, $Config->{'Colors'}{'FullGreen'}, $Config->{'Colors'}{'FullBlue'});
+$Config->{'Colors'}{'HalfRedBlue'} = color_calculate_transparent ($Config->{'Colors'}{'Alpha'},
+ $Config->{'Colors'}{'Canvas'}, $Config->{'Colors'}{'FullBlue'}, $Config->{'Colors'}{'FullRed'});
+
+our $GraphDefs;
+{
+ my $Alpha = $Config->{'Colors'}{'Alpha'};
+ my $Canvas = $Config->{'Colors'}{'Canvas'};
+
+ my $FullRed = $Config->{'Colors'}{'FullRed'};
+ my $FullGreen = $Config->{'Colors'}{'FullGreen'};
+ my $FullBlue = $Config->{'Colors'}{'FullBlue'};
+ my $FullYellow = $Config->{'Colors'}{'FullYellow'};
+ my $FullCyan = $Config->{'Colors'}{'FullCyan'};
+ my $FullMagenta= $Config->{'Colors'}{'FullMagenta'};
+
+ my $HalfRed = $Config->{'Colors'}{'HalfRed'};
+ my $HalfGreen = $Config->{'Colors'}{'HalfGreen'};
+ my $HalfBlue = $Config->{'Colors'}{'HalfBlue'};
+ my $HalfYellow = $Config->{'Colors'}{'HalfYellow'};
+ my $HalfCyan = $Config->{'Colors'}{'HalfCyan'};
+ my $HalfMagenta= $Config->{'Colors'}{'HalfMagenta'};
+
+ my $HalfBlueGreen = $Config->{'Colors'}{'HalfBlueGreen'};
+ my $HalfRedBlue = $Config->{'Colors'}{'HalfRedBlue'};
+
+ $GraphDefs =
+ {
+ cpu => ['DEF:user_avg={file}:user:AVERAGE',
+ 'DEF:user_min={file}:user:MIN',
+ 'DEF:user_max={file}:user:MAX',
+ 'DEF:nice_avg={file}:nice:AVERAGE',
+ 'DEF:nice_min={file}:nice:MIN',
+ 'DEF:nice_max={file}:nice:MAX',
+ 'DEF:syst_avg={file}:syst:AVERAGE',
+ 'DEF:syst_min={file}:syst:MIN',
+ 'DEF:syst_max={file}:syst:MAX',
+ 'DEF:wait_avg={file}:wait:AVERAGE',
+ 'DEF:wait_min={file}:wait:MIN',
+ 'DEF:wait_max={file}:wait:MAX',
+ 'CDEF:user_avg_notnull=user_avg,UN,0,user_avg,IF',
+ 'CDEF:nice_avg_notnull=nice_avg,UN,0,nice_avg,IF',
+ 'CDEF:syst_avg_notnull=syst_avg,UN,0,syst_avg,IF',
+ 'CDEF:wait_avg_notnull=wait_avg,UN,0,wait_avg,IF',
+ 'CDEF:nice_acc=syst_avg,wait_avg_notnull,user_avg,nice_avg_notnull,+,+,+',
+ 'CDEF:user_acc=syst_avg,wait_avg_notnull,user_avg,+,+',
+ 'CDEF:wait_acc=syst_avg,wait_avg_notnull,+',
+ 'CDEF:syst_acc=syst_avg',
+ "AREA:nice_acc#$HalfGreen",
+ "AREA:user_acc#$HalfBlue",
+ "AREA:wait_acc#$HalfYellow",
+ "AREA:syst_acc#$HalfRed",
+ "LINE1:nice_acc#$FullGreen:Nice ",
+ 'GPRINT:nice_min:MIN:%5.1lf%% Min,',
+ 'GPRINT:nice_avg:AVERAGE:%5.1lf%% Avg,',
+ 'GPRINT:nice_max:MAX:%5.1lf%% Max,',
+ 'GPRINT:nice_avg:LAST:%5.1lf%% Last\l',
+ "LINE1:user_acc#$FullBlue:User ",
+ 'GPRINT:user_min:MIN:%5.1lf%% Min,',
+ 'GPRINT:user_avg:AVERAGE:%5.1lf%% Avg,',
+ 'GPRINT:user_max:MAX:%5.1lf%% Max,',
+ 'GPRINT:user_avg:LAST:%5.1lf%% Last\l',
+ "LINE1:wait_acc#$FullYellow:Wait-IO",
+ 'GPRINT:wait_min:MIN:%5.1lf%% Min,',
+ 'GPRINT:wait_avg:AVERAGE:%5.1lf%% Avg,',
+ 'GPRINT:wait_max:MAX:%5.1lf%% Max,',
+ 'GPRINT:wait_avg:LAST:%5.1lf%% Last\l',
+ "LINE1:syst_acc#$FullRed:System ",
+ 'GPRINT:syst_min:MIN:%5.1lf%% Min,',
+ 'GPRINT:syst_avg:AVERAGE:%5.1lf%% Avg,',
+ 'GPRINT:syst_max:MAX:%5.1lf%% Max,',
+ 'GPRINT:syst_avg:LAST:%5.1lf%% Last\l'
+ ],
+ disk => [
+ 'DEF:rtime_avg={file}:rtime:AVERAGE',
+ 'DEF:rtime_min={file}:rtime:MIN',
+ 'DEF:rtime_max={file}:rtime:MAX',
+ 'DEF:wtime_avg={file}:wtime:AVERAGE',
+ 'DEF:wtime_min={file}:wtime:MIN',
+ 'DEF:wtime_max={file}:wtime:MAX',
+ 'CDEF:rtime_avg_ms=rtime_avg,1000,/',
+ 'CDEF:rtime_min_ms=rtime_min,1000,/',
+ 'CDEF:rtime_max_ms=rtime_max,1000,/',
+ 'CDEF:wtime_avg_ms=wtime_avg,1000,/',
+ 'CDEF:wtime_min_ms=wtime_min,1000,/',
+ 'CDEF:wtime_max_ms=wtime_max,1000,/',
+ 'CDEF:total_avg_ms=rtime_avg_ms,wtime_avg_ms,+',
+ 'CDEF:total_min_ms=rtime_min_ms,wtime_min_ms,+',
+ 'CDEF:total_max_ms=rtime_max_ms,wtime_max_ms,+',
+ "AREA:total_max_ms#$HalfRed",
+ "AREA:total_min_ms#$Canvas",
+ "LINE1:wtime_avg_ms#$FullGreen:Write",
+ 'GPRINT:wtime_min_ms:MIN:%5.1lf%s Min,',
+ 'GPRINT:wtime_avg_ms:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:wtime_max_ms:MAX:%5.1lf%s Max,',
+ 'GPRINT:wtime_avg_ms:LAST:%5.1lf%s Last\n',
+ "LINE1:rtime_avg_ms#$FullBlue:Read ",
+ 'GPRINT:rtime_min_ms:MIN:%5.1lf%s Min,',
+ 'GPRINT:rtime_avg_ms:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:rtime_max_ms:MAX:%5.1lf%s Max,',
+ 'GPRINT:rtime_avg_ms:LAST:%5.1lf%s Last\n',
+ "LINE1:total_avg_ms#$FullRed:Total",
+ 'GPRINT:total_min_ms:MIN:%5.1lf%s Min,',
+ 'GPRINT:total_avg_ms:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:total_max_ms:MAX:%5.1lf%s Max,',
+ 'GPRINT:total_avg_ms:LAST:%5.1lf%s Last'
+ ],
+ hddtemp => [
+ 'DEF:temp_avg={file}:value:AVERAGE',
+ 'DEF:temp_min={file}:value:MIN',
+ 'DEF:temp_max={file}:value:MAX',
+ "AREA:temp_max#$HalfBlue",
+ "AREA:temp_min#$Canvas",
+ "LINE1:temp_avg#$FullBlue:Temperature",
+ 'GPRINT:temp_min:MIN:%4.1lf Min,',
+ 'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
+ 'GPRINT:temp_max:MAX:%4.1lf Max,',
+ 'GPRINT:temp_avg:LAST:%4.1lf Last\l'
+ ],
+ load => ['DEF:s_avg={file}:shortterm:AVERAGE',
+ 'DEF:s_min={file}:shortterm:MIN',
+ 'DEF:s_max={file}:shortterm:MAX',
+ 'DEF:m_avg={file}:midterm:AVERAGE',
+ 'DEF:m_min={file}:midterm:MIN',
+ 'DEF:m_max={file}:midterm:MAX',
+ 'DEF:l_avg={file}:longterm:AVERAGE',
+ 'DEF:l_min={file}:longterm:MIN',
+ 'DEF:l_max={file}:longterm:MAX',
+ "AREA:s_max#$HalfGreen",
+ "AREA:s_min#$Canvas",
+ "LINE1:s_avg#$FullGreen: 1m average",
+ 'GPRINT:s_min:MIN:%4.2lf Min,',
+ 'GPRINT:s_avg:AVERAGE:%4.2lf Avg,',
+ 'GPRINT:s_max:MAX:%4.2lf Max,',
+ 'GPRINT:s_avg:LAST:%4.2lf Last\n',
+ "LINE1:m_avg#$FullBlue: 5m average",
+ 'GPRINT:m_min:MIN:%4.2lf Min,',
+ 'GPRINT:m_avg:AVERAGE:%4.2lf Avg,',
+ 'GPRINT:m_max:MAX:%4.2lf Max,',
+ 'GPRINT:m_avg:LAST:%4.2lf Last\n',
+ "LINE1:l_avg#$FullRed:15m average",
+ 'GPRINT:l_min:MIN:%4.2lf Min,',
+ 'GPRINT:l_avg:AVERAGE:%4.2lf Avg,',
+ 'GPRINT:l_max:MAX:%4.2lf Max,',
+ 'GPRINT:l_avg:LAST:%4.2lf Last'
+ ],
+ mails => ['DEF:rawgood={file}:good:AVERAGE',
+ 'DEF:rawspam={file}:spam:AVERAGE',
+ 'CDEF:good=rawgood,UN,0,rawgood,IF',
+ 'CDEF:spam=rawspam,UN,0,rawspam,IF',
+ 'CDEF:negspam=spam,-1,*',
+ "AREA:good#$HalfGreen",
+ "LINE1:good#$FullGreen:Good mails",
+ 'GPRINT:good:AVERAGE:%4.1lf Avg,',
+ 'GPRINT:good:MAX:%4.1lf Max,',
+ 'GPRINT:good:LAST:%4.1lf Last\n',
+ "AREA:negspam#$HalfRed",
+ "LINE1:negspam#$FullRed:Spam mails",
+ 'GPRINT:spam:AVERAGE:%4.1lf Avg,',
+ 'GPRINT:spam:MAX:%4.1lf Max,',
+ 'GPRINT:spam:LAST:%4.1lf Last',
+ 'HRULE:0#000000'],
+ memory => [
+ 'DEF:used_avg={file}:used:AVERAGE',
+ 'DEF:free_avg={file}:free:AVERAGE',
+ 'DEF:buffers_avg={file}:buffers:AVERAGE',
+ 'DEF:cached_avg={file}:cached:AVERAGE',
+ 'DEF:used_min={file}:used:MIN',
+ 'DEF:free_min={file}:free:MIN',
+ 'DEF:buffers_min={file}:buffers:MIN',
+ 'DEF:cached_min={file}:cached:MIN',
+ 'DEF:used_max={file}:used:MAX',
+ 'DEF:free_max={file}:free:MAX',
+ 'DEF:buffers_max={file}:buffers:MAX',
+ 'DEF:cached_max={file}:cached:MAX',
+ 'CDEF:free_cached_buffers_used=free_avg,cached_avg,+,buffers_avg,+,used_avg,+',
+ 'CDEF:cached_buffers_used=cached_avg,buffers_avg,+,used_avg,+',
+ 'CDEF:buffers_used=buffers_avg,used_avg,+',
+ "AREA:free_cached_buffers_used#$HalfGreen",
+ "AREA:cached_buffers_used#$HalfBlue",
+ "AREA:buffers_used#$HalfYellow",
+ "AREA:used_avg#$HalfRed",
+ "LINE1:free_cached_buffers_used#$FullGreen:Free ",
+ 'GPRINT:free_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:free_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:free_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:free_avg:LAST:%5.1lf%s Last\n',
+ "LINE1:cached_buffers_used#$FullBlue:Page cache ",
+ 'GPRINT:cached_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:cached_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:cached_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:cached_avg:LAST:%5.1lf%s Last\n',
+ "LINE1:buffers_used#$FullYellow:Buffer cache",
+ 'GPRINT:buffers_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:buffers_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:buffers_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:buffers_avg:LAST:%5.1lf%s Last\n',
+ "LINE1:used_avg#$FullRed:Used ",
+ 'GPRINT:used_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:used_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:used_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:used_avg:LAST:%5.1lf%s Last'
+ ],
+ nfs3_procedures => [
+ "DEF:null_avg={file}:null:AVERAGE",
+ "DEF:getattr_avg={file}:getattr:AVERAGE",
+ "DEF:setattr_avg={file}:setattr:AVERAGE",
+ "DEF:lookup_avg={file}:lookup:AVERAGE",
+ "DEF:access_avg={file}:access:AVERAGE",
+ "DEF:readlink_avg={file}:readlink:AVERAGE",
+ "DEF:read_avg={file}:read:AVERAGE",
+ "DEF:write_avg={file}:write:AVERAGE",
+ "DEF:create_avg={file}:create:AVERAGE",
+ "DEF:mkdir_avg={file}:mkdir:AVERAGE",
+ "DEF:symlink_avg={file}:symlink:AVERAGE",
+ "DEF:mknod_avg={file}:mknod:AVERAGE",
+ "DEF:remove_avg={file}:remove:AVERAGE",
+ "DEF:rmdir_avg={file}:rmdir:AVERAGE",
+ "DEF:rename_avg={file}:rename:AVERAGE",
+ "DEF:link_avg={file}:link:AVERAGE",
+ "DEF:readdir_avg={file}:readdir:AVERAGE",
+ "DEF:readdirplus_avg={file}:readdirplus:AVERAGE",
+ "DEF:fsstat_avg={file}:fsstat:AVERAGE",
+ "DEF:fsinfo_avg={file}:fsinfo:AVERAGE",
+ "DEF:pathconf_avg={file}:pathconf:AVERAGE",
+ "DEF:commit_avg={file}:commit:AVERAGE",
+ "DEF:null_max={file}:null:MAX",
+ "DEF:getattr_max={file}:getattr:MAX",
+ "DEF:setattr_max={file}:setattr:MAX",
+ "DEF:lookup_max={file}:lookup:MAX",
+ "DEF:access_max={file}:access:MAX",
+ "DEF:readlink_max={file}:readlink:MAX",
+ "DEF:read_max={file}:read:MAX",
+ "DEF:write_max={file}:write:MAX",
+ "DEF:create_max={file}:create:MAX",
+ "DEF:mkdir_max={file}:mkdir:MAX",
+ "DEF:symlink_max={file}:symlink:MAX",
+ "DEF:mknod_max={file}:mknod:MAX",
+ "DEF:remove_max={file}:remove:MAX",
+ "DEF:rmdir_max={file}:rmdir:MAX",
+ "DEF:rename_max={file}:rename:MAX",
+ "DEF:link_max={file}:link:MAX",
+ "DEF:readdir_max={file}:readdir:MAX",
+ "DEF:readdirplus_max={file}:readdirplus:MAX",
+ "DEF:fsstat_max={file}:fsstat:MAX",
+ "DEF:fsinfo_max={file}:fsinfo:MAX",
+ "DEF:pathconf_max={file}:pathconf:MAX",
+ "DEF:commit_max={file}:commit:MAX",
+ "CDEF:other_avg=null_avg,readlink_avg,create_avg,mkdir_avg,symlink_avg,mknod_avg,remove_avg,rmdir_avg,rename_avg,link_avg,readdir_avg,readdirplus_avg,fsstat_avg,fsinfo_avg,pathconf_avg,+,+,+,+,+,+,+,+,+,+,+,+,+,+",
+ "CDEF:other_max=null_max,readlink_max,create_max,mkdir_max,symlink_max,mknod_max,remove_max,rmdir_max,rename_max,link_max,readdir_max,readdirplus_max,fsstat_max,fsinfo_max,pathconf_max,+,+,+,+,+,+,+,+,+,+,+,+,+,+",
+ "CDEF:stack_read=read_avg",
+ "CDEF:stack_getattr=stack_read,getattr_avg,+",
+ "CDEF:stack_access=stack_getattr,access_avg,+",
+ "CDEF:stack_lookup=stack_access,lookup_avg,+",
+ "CDEF:stack_write=stack_lookup,write_avg,+",
+ "CDEF:stack_commit=stack_write,commit_avg,+",
+ "CDEF:stack_setattr=stack_commit,setattr_avg,+",
+ "CDEF:stack_other=stack_setattr,other_avg,+",
+ "AREA:stack_other#$HalfRed",
+ "AREA:stack_setattr#$HalfGreen",
+ "AREA:stack_commit#$HalfYellow",
+ "AREA:stack_write#$HalfGreen",
+ "AREA:stack_lookup#$HalfBlue",
+ "AREA:stack_access#$HalfMagenta",
+ "AREA:stack_getattr#$HalfCyan",
+ "AREA:stack_read#$HalfBlue",
+ "LINE1:stack_other#$FullRed:Other ",
+ 'GPRINT:other_max:MAX:%5.1lf Max,',
+ 'GPRINT:other_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:other_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_setattr#$FullGreen:setattr",
+ 'GPRINT:setattr_max:MAX:%5.1lf Max,',
+ 'GPRINT:setattr_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:setattr_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_commit#$FullYellow:commit ",
+ 'GPRINT:commit_max:MAX:%5.1lf Max,',
+ 'GPRINT:commit_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:commit_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_write#$FullGreen:write ",
+ 'GPRINT:write_max:MAX:%5.1lf Max,',
+ 'GPRINT:write_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:write_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_lookup#$FullBlue:lookup ",
+ 'GPRINT:lookup_max:MAX:%5.1lf Max,',
+ 'GPRINT:lookup_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:lookup_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_access#$FullMagenta:access ",
+ 'GPRINT:access_max:MAX:%5.1lf Max,',
+ 'GPRINT:access_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:access_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_getattr#$FullCyan:getattr",
+ 'GPRINT:getattr_max:MAX:%5.1lf Max,',
+ 'GPRINT:getattr_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:getattr_avg:LAST:%5.1lf Last\l',
+ "LINE1:stack_read#$FullBlue:read ",
+ 'GPRINT:read_max:MAX:%5.1lf Max,',
+ 'GPRINT:read_avg:AVERAGE:%5.1lf Avg,',
+ 'GPRINT:read_avg:LAST:%5.1lf Last\l'
+ ],
+ partition => [
+ "DEF:rbyte_avg={file}:rbytes:AVERAGE",
+ "DEF:rbyte_min={file}:rbytes:MIN",
+ "DEF:rbyte_max={file}:rbytes:MAX",
+ "DEF:wbyte_avg={file}:wbytes:AVERAGE",
+ "DEF:wbyte_min={file}:wbytes:MIN",
+ "DEF:wbyte_max={file}:wbytes:MAX",
+ 'CDEF:overlap=wbyte_avg,rbyte_avg,GT,rbyte_avg,wbyte_avg,IF',
+ "AREA:wbyte_avg#$HalfGreen",
+ "AREA:rbyte_avg#$HalfBlue",
+ "AREA:overlap#$HalfBlueGreen",
+ "LINE1:wbyte_avg#$FullGreen:Write",
+ 'GPRINT:wbyte_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:wbyte_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:wbyte_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:wbyte_avg:LAST:%5.1lf%s Last\l',
+ "LINE1:rbyte_avg#$FullBlue:Read ",
+ 'GPRINT:rbyte_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:rbyte_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:rbyte_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:rbyte_avg:LAST:%5.1lf%s Last\l'
+ ],
+ ping => ['DEF:ping_avg={file}:ping:AVERAGE',
+ 'DEF:ping_min={file}:ping:MIN',
+ 'DEF:ping_max={file}:ping:MAX',
+ "AREA:ping_max#$HalfBlue",
+ "AREA:ping_min#$Canvas",
+ "LINE1:ping_avg#$FullBlue:Ping",
+ 'GPRINT:ping_min:MIN:%4.1lf ms Min,',
+ 'GPRINT:ping_avg:AVERAGE:%4.1lf ms Avg,',
+ 'GPRINT:ping_max:MAX:%4.1lf ms Max,',
+ 'GPRINT:ping_avg:LAST:%4.1lf ms Last'],
+ processes => [
+ "DEF:running_avg={file}:running:AVERAGE",
+ "DEF:running_min={file}:running:MIN",
+ "DEF:running_max={file}:running:MAX",
+ "DEF:sleeping_avg={file}:sleeping:AVERAGE",
+ "DEF:sleeping_min={file}:sleeping:MIN",
+ "DEF:sleeping_max={file}:sleeping:MAX",
+ "DEF:zombies_avg={file}:zombies:AVERAGE",
+ "DEF:zombies_min={file}:zombies:MIN",
+ "DEF:zombies_max={file}:zombies:MAX",
+ "DEF:stopped_avg={file}:stopped:AVERAGE",
+ "DEF:stopped_min={file}:stopped:MIN",
+ "DEF:stopped_max={file}:stopped:MAX",
+ "DEF:paging_avg={file}:paging:AVERAGE",
+ "DEF:paging_min={file}:paging:MIN",
+ "DEF:paging_max={file}:paging:MAX",
+ "DEF:blocked_avg={file}:blocked:AVERAGE",
+ "DEF:blocked_min={file}:blocked:MIN",
+ "DEF:blocked_max={file}:blocked:MAX",
+ 'CDEF:paging_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,blocked_avg,paging_avg,+,+,+,+,+',
+ 'CDEF:blocked_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,blocked_avg,+,+,+,+',
+ 'CDEF:zombies_acc=sleeping_avg,running_avg,stopped_avg,zombies_avg,+,+,+',
+ 'CDEF:stopped_acc=sleeping_avg,running_avg,stopped_avg,+,+',
+ 'CDEF:running_acc=sleeping_avg,running_avg,+',
+ 'CDEF:sleeping_acc=sleeping_avg',
+ "AREA:paging_acc#$HalfYellow",
+ "AREA:blocked_acc#$HalfCyan",
+ "AREA:zombies_acc#$HalfRed",
+ "AREA:stopped_acc#$HalfMagenta",
+ "AREA:running_acc#$HalfGreen",
+ "AREA:sleeping_acc#$HalfBlue",
+ "LINE1:paging_acc#$FullYellow:Paging ",
+ 'GPRINT:paging_min:MIN:%5.1lf Min,',
+ 'GPRINT:paging_avg:AVERAGE:%5.1lf Average,',
+ 'GPRINT:paging_max:MAX:%5.1lf Max,',
+ 'GPRINT:paging_avg:LAST:%5.1lf Last\l',
+ "LINE1:blocked_acc#$FullCyan:Blocked ",
+ 'GPRINT:blocked_min:MIN:%5.1lf Min,',
+ 'GPRINT:blocked_avg:AVERAGE:%5.1lf Average,',
+ 'GPRINT:blocked_max:MAX:%5.1lf Max,',
+ 'GPRINT:blocked_avg:LAST:%5.1lf Last\l',
+ "LINE1:zombies_acc#$FullRed:Zombies ",
+ 'GPRINT:zombies_min:MIN:%5.1lf Min,',
+ 'GPRINT:zombies_avg:AVERAGE:%5.1lf Average,',
+ 'GPRINT:zombies_max:MAX:%5.1lf Max,',
+ 'GPRINT:zombies_avg:LAST:%5.1lf Last\l',
+ "LINE1:stopped_acc#$FullMagenta:Stopped ",
+ 'GPRINT:stopped_min:MIN:%5.1lf Min,',
+ 'GPRINT:stopped_avg:AVERAGE:%5.1lf Average,',
+ 'GPRINT:stopped_max:MAX:%5.1lf Max,',
+ 'GPRINT:stopped_avg:LAST:%5.1lf Last\l',
+ "LINE1:running_acc#$FullGreen:Running ",
+ 'GPRINT:running_min:MIN:%5.1lf Min,',
+ 'GPRINT:running_avg:AVERAGE:%5.1lf Average,',
+ 'GPRINT:running_max:MAX:%5.1lf Max,',
+ 'GPRINT:running_avg:LAST:%5.1lf Last\l',
+ "LINE1:sleeping_acc#$FullBlue:Sleeping",
+ 'GPRINT:sleeping_min:MIN:%5.1lf Min,',
+ 'GPRINT:sleeping_avg:AVERAGE:%5.1lf Average,',
+ 'GPRINT:sleeping_max:MAX:%5.1lf Max,',
+ 'GPRINT:sleeping_avg:LAST:%5.1lf Last\l'
+ ],
+ sensors => [
+ 'DEF:temp_avg={file}:value:AVERAGE',
+ 'DEF:temp_min={file}:value:MIN',
+ 'DEF:temp_max={file}:value:MAX',
+ "AREA:temp_max#$HalfBlue",
+ "AREA:temp_min#$Canvas",
+ "LINE1:temp_avg#$FullBlue:Value",
+ 'GPRINT:temp_min:MIN:%4.1lf Min,',
+ 'GPRINT:temp_avg:AVERAGE:%4.1lf Avg,',
+ 'GPRINT:temp_max:MAX:%4.1lf Max,',
+ 'GPRINT:temp_avg:LAST:%4.1lf Last\l'
+ ],
+ swap => [
+ 'DEF:used_avg={file}:used:AVERAGE',
+ 'DEF:used_min={file}:used:MIN',
+ 'DEF:used_max={file}:used:MAX',
+ 'DEF:free_avg={file}:free:AVERAGE',
+ 'DEF:free_min={file}:free:MIN',
+ 'DEF:free_max={file}:free:MAX',
+ 'DEF:cach_avg={file}:cached:AVERAGE',
+ 'DEF:cach_min={file}:cached:MIN',
+ 'DEF:cach_max={file}:cached:MAX',
+ 'DEF:resv_avg={file}:resv:AVERAGE',
+ 'DEF:resv_min={file}:resv:MIN',
+ 'DEF:resv_max={file}:resv:MAX',
+ 'CDEF:cach_avg_notnull=cach_avg,UN,0,cach_avg,IF',
+ 'CDEF:resv_avg_notnull=resv_avg,UN,0,resv_avg,IF',
+ 'CDEF:used_acc=used_avg',
+ 'CDEF:resv_acc=used_acc,resv_avg_notnull,+',
+ 'CDEF:cach_acc=resv_acc,cach_avg_notnull,+',
+ 'CDEF:free_acc=cach_acc,free_avg,+',
+ "AREA:free_acc#$HalfGreen",
+ "AREA:cach_acc#$HalfBlue",
+ "AREA:resv_acc#$HalfYellow",
+ "AREA:used_acc#$HalfRed",
+ "LINE1:free_acc#$FullGreen:Free ",
+ 'GPRINT:free_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:free_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:free_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:free_avg:LAST:%5.1lf%s Last\n',
+ "LINE1:cach_acc#$FullBlue:Cached ",
+ 'GPRINT:cach_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:cach_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:cach_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:cach_avg:LAST:%5.1lf%s Last\l',
+ "LINE1:resv_acc#$FullYellow:Reserved",
+ 'GPRINT:resv_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:resv_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:resv_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:resv_avg:LAST:%5.1lf%s Last\n',
+ "LINE1:used_acc#$FullRed:Used ",
+ 'GPRINT:used_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:used_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:used_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:used_avg:LAST:%5.1lf%s Last\l'
+ ],
+ traffic => ['DEF:out_min_raw={file}:outgoing:MIN',
+ 'DEF:out_avg_raw={file}:outgoing:AVERAGE',
+ 'DEF:out_max_raw={file}:outgoing:MAX',
+ 'DEF:inc_min_raw={file}:incoming:MIN',
+ 'DEF:inc_avg_raw={file}:incoming:AVERAGE',
+ 'DEF:inc_max_raw={file}:incoming:MAX',
+ 'CDEF:out_min=out_min_raw,8,*',
+ 'CDEF:out_avg=out_avg_raw,8,*',
+ 'CDEF:out_max=out_max_raw,8,*',
+ 'CDEF:inc_min=inc_min_raw,8,*',
+ 'CDEF:inc_avg=inc_avg_raw,8,*',
+ 'CDEF:inc_max=inc_max_raw,8,*',
+ 'CDEF:overlap=out_avg,inc_avg,GT,inc_avg,out_avg,IF',
+ 'CDEF:mytime=out_avg_raw,TIME,TIME,IF',
+ 'CDEF:sample_len_raw=mytime,PREV(mytime),-',
+ 'CDEF:sample_len=sample_len_raw,UN,0,sample_len_raw,IF',
+ 'CDEF:out_avg_sample=out_avg_raw,UN,0,out_avg_raw,IF,sample_len,*',
+ 'CDEF:out_avg_sum=PREV,UN,0,PREV,IF,out_avg_sample,+',
+ 'CDEF:inc_avg_sample=inc_avg_raw,UN,0,inc_avg_raw,IF,sample_len,*',
+ 'CDEF:inc_avg_sum=PREV,UN,0,PREV,IF,inc_avg_sample,+',
+ "AREA:out_avg#$HalfGreen",
+ "AREA:inc_avg#$HalfBlue",
+ "AREA:overlap#$HalfBlueGreen",
+ "LINE1:out_avg#$FullGreen:Outgoing",
+ 'GPRINT:out_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:out_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:out_avg:LAST:%5.1lf%s Last',
+ 'GPRINT:out_avg_sum:LAST:(ca. %5.1lf%sB Total)\l',
+ "LINE1:inc_avg#$FullBlue:Incoming",
+ #'GPRINT:inc_min:MIN:%5.1lf %s Min,',
+ 'GPRINT:inc_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:inc_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:inc_avg:LAST:%5.1lf%s Last',
+ 'GPRINT:inc_avg_sum:LAST:(ca. %5.1lf%sB Total)\l'
+ ],
+ cpufreq => [
+ 'DEF:cpufreq_avg={file}:value:AVERAGE',
+ 'DEF:cpufreq_min={file}:value:MIN',
+ 'DEF:cpufreq_max={file}:value:MAX',
+ "AREA:cpufreq_max#$HalfBlue",
+ "AREA:cpufreq_min#$Canvas",
+ "LINE1:cpufreq_avg#$FullBlue:Frequency",
+ 'GPRINT:cpufreq_min:MIN:%5.1lf%s Min,',
+ 'GPRINT:cpufreq_avg:AVERAGE:%5.1lf%s Avg,',
+ 'GPRINT:cpufreq_max:MAX:%5.1lf%s Max,',
+ 'GPRINT:cpufreq_avg:LAST:%5.1lf%s Last\l'
+ ],
+ users => [
+ 'DEF:users_avg={file}:users:AVERAGE',
+ 'DEF:users_min={file}:users:MIN',
+ 'DEF:users_max={file}:users:MAX',
+ "AREA:users_max#$HalfBlue",
+ "AREA:users_min#$Canvas",
+ "LINE1:users_avg#$FullBlue:Users",
+ 'GPRINT:users_min:MIN:%4.1lf Min,',
+ 'GPRINT:users_avg:AVERAGE:%4.1lf Average,',
+ 'GPRINT:users_max:MAX:%4.1lf Max,',
+ 'GPRINT:users_avg:LAST:%4.1lf Last\l'
+ ],
+ };
+ $GraphDefs->{'disk'} = $GraphDefs->{'partition'};
+ $GraphDefs->{'meminfo'} = $GraphDefs->{'memory'};
+}
+
+our $GraphArgs =
+{
+ cpu => ['-t', '{host} cpu{inst} usage', '-v', 'Percent', '-l', '0'],
+ cpufreq => ['-t', '{host} cpu{inst} usage', '-v', 'Mhz'],
+ #disk => ['-t', '{host} disk {inst} IO wait', '-v', 'Seconds'],
+ disk => ['-t', '{host} disk {inst} usage', '-v', 'Byte/s'],
+ hddtemp => ['-t', '{host} hdd temperature {inst}', '-v', '°Celsius'],
+ load => ['-t', '{host} load average', '-v', 'System load', '-X', '0'],
+ mails => ['-t', '{host} mail count', '-v', 'Amount', '-X', '0'],
+ memory => ['-t', '{host} memory usage', '-v', 'Bytes', '-b', '1024', '-l', '0'],
+ nfs3_procedures => ['-t', '{host} NFSv3 {inst} procedures', '-v', 'Procedures/s' ],
+ partition => ['-t', '{host} partition {inst} usage', '-v', 'Byte/s'],
+ ping => ['-t', '{host} ping to {inst}', '-v', 'ms'],
+ processes => ['-t', '{host} processes', '-v', 'Processes'],
+ sensors => ['-t', '{host} sensor {inst}', '-v', '°Celsius'],
+ swap => ['-t', '{host} swap usage', '-v', 'Bytes', '-b', '1024', '-l', '0'],
+ traffic => ['-t', '{host} {inst} traffic', '-v', 'Bit/s'],
+ users => ['-t', '{host} users', '-v', 'Users'],
+};
+
+our $GraphMulti =
+{
+ cpu => \&output_graph_cpu,
+ cpufreq => 1,
+ disk => 1,
+ load => 0,
+ mails => 0,
+ memory => 0,
+ partition => 1,
+ ping => \&output_graph_ping,
+ sensors => 1,
+ traffic => 1,
+ users => 1
+};
+
+our @Info;
+if (defined ($ENV{'GATEWAY_INTERFACE'}))
+{
+ @Info = ($ENV{'PATH_INFO'} || '') =~ m#([\w\-\.]+)#g;
+}
+else
+{
+ @Info = @ARGV;
+}
+
+parse_pathinfo (@Info);
+
+if ($TimeSpan)
+{
+ output_graph ();
+}
+else
+{
+ output_page ();
+}
+
+exit (0);
+
+sub output_graph_cpu
+{
+ my @inst = @_;
+ my @ret = ();
+
+ die if (@inst < 2);
+
+ for (@inst)
+ {
+ push (@ret,
+ "DEF:user_avg_$_=$AbsDir/cpu-$_.rrd:user:AVERAGE",
+ "DEF:user_min_$_=$AbsDir/cpu-$_.rrd:user:MIN",
+ "DEF:user_max_$_=$AbsDir/cpu-$_.rrd:user:MAX",
+ "DEF:nice_avg_$_=$AbsDir/cpu-$_.rrd:nice:AVERAGE",
+ "DEF:nice_min_$_=$AbsDir/cpu-$_.rrd:nice:MIN",
+ "DEF:nice_max_$_=$AbsDir/cpu-$_.rrd:nice:MAX",
+ "DEF:syst_avg_$_=$AbsDir/cpu-$_.rrd:syst:AVERAGE",
+ "DEF:syst_min_$_=$AbsDir/cpu-$_.rrd:syst:MIN",
+ "DEF:syst_max_$_=$AbsDir/cpu-$_.rrd:syst:MAX",
+ "DEF:wait_avg_$_=$AbsDir/cpu-$_.rrd:wait:AVERAGE",
+ "DEF:wait_min_$_=$AbsDir/cpu-$_.rrd:wait:MIN",
+ "DEF:wait_max_$_=$AbsDir/cpu-$_.rrd:wait:MAX");
+ }
+
+ for (qw(user nice syst wait))
+ {
+ my $def = $_;
+ my $cdef;
+
+ my $default_value = ($def eq 'user' or $def eq 'syst') ? 'UNKN' : '0';
+
+ for (qw(avg min max))
+ {
+ my $cf = $_;
+
+ for (@inst)
+ {
+ push (@ret, "CDEF:${def}_${cf}_notnull_${_}=${def}_${cf}_${_},UN,0,${def}_${cf}_${_},IF");
+ push (@ret, "CDEF:${def}_${cf}_defined_${_}=${def}_${cf}_${_},UN,0,1,IF");
+ }
+
+ $cdef = "CDEF:${def}_${cf}_num=" . join (',', map { "${def}_${cf}_defined_${_}" } (@inst));
+ $cdef .= ',+' x (scalar (@inst) - 1);
+ push (@ret, $cdef);
+
+ $cdef = "CDEF:${def}_${cf}=${def}_${cf}_num," . join (',', map { "${def}_${cf}_notnull_${_}" } (@inst));
+ $cdef .= ',+' x (scalar (@inst) - 1);
+ $cdef .= ",${def}_${cf}_num,${def}_${cf}_num,1,IF,/,$default_value,IF";
+ push (@ret, $cdef);
+ push (@ret, "CDEF:${def}_${cf}_notnull=${def}_${cf},UN,0,${def}_${cf},IF");
+ }
+ }
+
+ push (@ret,
+ "CDEF:nice_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,nice_avg_notnull,+,+,+",
+ "CDEF:user_acc=syst_avg_notnull,wait_avg_notnull,user_avg_notnull,+,+",
+ "CDEF:wait_acc=syst_avg_notnull,wait_avg_notnull,+",
+ "CDEF:syst_acc=syst_avg_notnull");
+
+ push (@ret, grep { $_ !~ m/^C?DEF/ } (@{$GraphDefs->{'cpu'}}));
+
+ return (@ret);
+}
+
+sub output_graph_ping
+{
+ my @inst = @_;
+ my @ret = ();
+
+ die if (@inst < 2);
+
+ my @colors = get_n_colors (scalar (@inst));
+
+ for (my $i = 0; $i < scalar (@inst); $i++)
+ {
+ my $inst = $inst[$i];
+ push (@ret,
+ "DEF:avg_$i=$AbsDir/ping-$inst.rrd:ping:AVERAGE",
+ "DEF:min_$i=$AbsDir/ping-$inst.rrd:ping:MIN",
+ "DEF:max_$i=$AbsDir/ping-$inst.rrd:ping:MAX");
+ }
+
+ for (my $i = 0; $i < scalar (@inst); $i++)
+ {
+ my $inst = $inst[$i];
+ my $color = $colors[$i];
+
+ if (length ($inst) > 15)
+ {
+ $inst = substr ($inst, 0, 12) . '...';
+ }
+ else
+ {
+ $inst = sprintf ('%-15s', $inst);
+ }
+
+ push (@ret,
+ "LINE1:avg_$i#$color:$inst",
+ "GPRINT:min_$i:MIN:%4.1lf ms Min,",
+ "GPRINT:avg_$i:AVERAGE:%4.1lf ms Avg,",
+ "GPRINT:max_$i:MAX:%4.1lf ms Max,",
+ "GPRINT:avg_$i:LAST:%4.1lf ms Last\\l");
+ }
+
+ return (@ret);
+}
+
+sub output_graph
+{
+ die unless (defined ($GraphDefs->{$Type}));
+
+ my $host;
+ my @cmd = ();
+ my $file = $AbsDir . '/';
+ my $files = get_all_files ($AbsDir);
+
+ #
+ # get hostname
+ #
+ if ($RelDir =~ m#([^/]+)$#)
+ {
+ $host = $1;
+ }
+ else
+ {
+ $host = $Config->{'HostName'};
+ }
+
+ #
+ # get timespan
+ #
+ if ($TimeSpan =~ m/(\d+)/)
+ {
+ $TimeSpan = -1 * int ($1);
+ }
+ else
+ {
+ my %t = (hour => -3600, day => -86400, week => -604800, month => -2678400, year => -31622400);
+ die unless (defined ($t{$TimeSpan}));
+ $TimeSpan = $t{$TimeSpan};
+ }
+
+ if (scalar (@{$files->{$Type}}) == 1)
+ {
+ $Inst = $files->{$Type}[0];
+ }
+
+ push (@cmd, '-', '-a', 'PNG', '-s', $TimeSpan);
+ push (@cmd, @{$GraphArgs->{$Type}}) if (defined ($GraphArgs->{$Type}));
+
+ for (qw(Back ShadeA ShadeB Font Canvas Grid MGrid Frame Arrow))
+ {
+ push (@cmd, '-c', uc ($_) . '#' . $Config->{'Colors'}{$_});
+ }
+
+ if ((length ($Inst) == 0) and (ref ($GraphMulti->{$Type}) eq 'CODE'))
+ {
+ push (@cmd, $GraphMulti->{$Type}->(@{$files->{$Type}}));
+ }
+ else
+ {
+ if (length ("$Inst"))
+ {
+ $file .= "$Type-$Inst.rrd";
+ }
+ else
+ {
+ $file .= "$Type.rrd";
+ }
+
+ die ("File not found: $file") unless (-e $file);
+
+ push (@cmd, @{$GraphDefs->{$Type}});
+ }
+
+ for (@cmd)
+ {
+ $_ =~ s/{file}/$file/g;
+ $_ =~ s/{host}/$host/g;
+ $_ =~ s/{inst}/$Inst/g;
+ $_ =~ s/{type}/$Type/g;
+ }
+
+ $| = 1;
+
+ print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
+Content-Type: image/png
+Cache-Control: no-cache
+
+HEADER
+
+ if (1)
+ {
+ my $fh;
+ open ($fh, ">/tmp/collection.log") or die ("open: $!");
+ flock ($fh, LOCK_EX) or die ("flock: $!");
+
+ print $fh join ("\n\t", @cmd) . "\n";
+
+ close ($fh);
+ }
+
+ RRDs::graph (@cmd);
+
+ die ('RRDs::error: ' . RRDs::error ()) if (RRDs::error ());
+}
+
+sub output_page
+{
+ my $files = get_all_files ($AbsDir);
+ my $dirs = get_all_dirs ($AbsDir);
+
+ print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
+Content-Type: text/html
+Cache-Control: no-cache
+
+<html>
+ <head>
+ <title>Collection: $RelDir</title>
+ <style type="text/css">
+ img { border: none; display: block; }
+ </style>
+ </head>
+
+ <body>
+HEADER
+
+ my $MySelf = defined ($ENV{'GATEWAY_INTERFACE'}) ? $ENV{'SCRIPT_NAME'} : $0;
+
+ if ((length ($Type) != 0) and (length ($Inst) == 0) and (ref ($GraphMulti->{$Type}) eq 'CODE') and (scalar (@{$files->{$Type}}) > 1))
+ {
+ print qq(\t\t<div><a href="$MySelf$RelDir">Go up</a></div>\n);
+
+ print "\t\t<ul>\n";
+ for (@{$files->{$Type}})
+ {
+ print qq(\t\t\t<li><a href="$MySelf$RelDir/$Type/$_">$_</a></li>\n);
+ }
+ print <<HTML;
+ </ul>
+
+ <h3>Daily</h3>
+ <div><img src="$MySelf$RelDir/$Type/day" /></div>
+ <h3>Weekly</h3>
+ <div><img src="$MySelf$RelDir/$Type/week" /></div>
+ <h3>Monthly</h3>
+ <div><img src="$MySelf$RelDir/$Type/month" /></div>
+ <h3>Yearly</h3>
+ <div><img src="$MySelf$RelDir/$Type/year" /></div>
+HTML
+ }
+ elsif (length ($Type) != 0)
+ {
+ my $ext = length ($Inst) ? "$Type/$Inst" : $Type;
+
+ if ((ref ($GraphMulti->{$Type}) eq 'CODE') and (scalar (@{$files->{$Type}}) > 1))
+ {
+ print qq(<div><a href="$MySelf$RelDir/$Type">Go up</a></div>\n);
+ }
+ else
+ {
+ print qq(<div><a href="$MySelf$RelDir">Go up</a></div>\n);
+ }
+
+ print <<HTML;
+ <h3>Daily</h3>
+ <div><img src="$MySelf$RelDir/$ext/day" /></div>
+ <h3>Weekly</h3>
+ <div><img src="$MySelf$RelDir/$ext/week" /></div>
+ <h3>Monthly</h3>
+ <div><img src="$MySelf$RelDir/$ext/month" /></div>
+ <h3>Yearly</h3>
+ <div><img src="$MySelf$RelDir/$ext/year" /></div>
+HTML
+ }
+ else
+ {
+ if ($RelDir)
+ {
+ my ($up) = $RelDir =~ m#(.*)/[^/]+$#;
+ print qq(\t\t<div><a href="$MySelf$up">Go up</a></div>\n);
+ }
+
+ if (@$dirs)
+ {
+ print "<ul>\n";
+ for (@$dirs)
+ {
+ print qq(<li>$AbsDir/<a href="$MySelf$RelDir/$_">$_</a></li>\n);
+ }
+ print "</ul>\n";
+ }
+
+ for (sort (keys %$files))
+ {
+ my $type = $_;
+
+ if (ref ($GraphMulti->{$type}) eq 'CODE')
+ {
+ print qq(\t\t<a href="$MySelf$RelDir/$type" />),
+ qq(<img src="$MySelf$RelDir/$type/day" /></a>\n);
+ next;
+ }
+
+ for (@{$files->{$type}})
+ {
+ my $inst = "$_";
+
+ if (length ($inst))
+ {
+ print qq(\t\t<a href="$MySelf$RelDir/$type/$inst" />),
+ qq(<img src="$MySelf$RelDir/$type/$inst/day" /></a>\n);
+ }
+ else
+ {
+ print qq(\t\t<a href="$MySelf$RelDir/$type" />),
+ qq(<img src="$MySelf$RelDir/$type/day" /></a>\n);
+ }
+ }
+ }
+ }
+
+ print STDOUT <<FOOTER if (defined ($ENV{'GATEWAY_INTERFACE'}));
+ </body>
+</html>
+FOOTER
+}
+
+sub output_xml
+{
+ my $files = get_all_files ();
+
+ print STDOUT <<HEADER if (defined ($ENV{'GATEWAY_INTERFACE'}));
+Content-Type: text/xml
+Cache-Control: no-cache
+
+HEADER
+ print STDOUT pl2xml ($files);
+}
+
+sub read_config
+{
+ my $file = @_ ? shift : '/etc/collection.conf';
+ my $conf;
+ my $fh;
+
+# if (open ($fh, "< $file"))
+# {
+# my $xml;
+# local $/ = undef;
+# $xml = <$fh>;
+#
+# eval
+# {
+# $conf = xml2pl ($xml);
+# };
+# close ($fh);
+# }
+
+ if (!$conf)
+ {
+ return ({
+ Colors =>
+ {
+ Back => 'FFFFFF',
+ ShadeA => 'FFFFFF',
+ ShadeB => 'FFFFFF',
+ Font => '000000',
+ Canvas => 'F5F5F5',
+ Grid => 'D0D0D0',
+ MGrid => 'A0A0A0',
+ Frame => '646464',
+ Arrow => 'FF0000',
+
+ FullRed => 'FF0000',
+ FullBlue => '0000FF',
+ FullGreen => '00E000',
+ FullYellow => 'F0A000',
+ FullCyan => '00A0FF',
+ FullMagenta => 'A000FF',
+ Alpha => 0.25,
+ HalfRed => 'F8B8B8',
+ HalfBlue => 'B8B8F8',
+ HalfGreen => 'B8F0B8',
+ HalfYellow => 'F4F4B8'
+ },
+ Directory => '/var/lib/collectd',
+ HostName => (defined ($ENV{'SERVER_NAME'}) ? $ENV{'SERVER_NAME'} : 'localhost')
+ });
+ }
+ else
+ {
+ return ($conf);
+ }
+}
+
+sub parse_pathinfo
+{
+ my @info = @_;
+
+ $AbsDir = $Config->{'Directory'};
+ $RelDir = '';
+
+ while (@info and -d $AbsDir . '/' . $Info[0])
+ {
+ my $new = shift (@info);
+ next if ($new =~ m/^\./);
+
+ $AbsDir .= '/' . $new;
+ $RelDir .= '/' . $new;
+ }
+
+ $Type = '';
+ $Inst = '';
+ $TimeSpan = '';
+
+ confess ("parse_pathinfo: too many elements in pathinfo") if (scalar (@info) > 3);
+ return unless (@info);
+
+ $Type = shift (@info);
+ return unless (@info);
+
+ if ($info[-1] =~ m/^(hour|day|week|month|year)$/i)
+ {
+ $TimeSpan = pop (@info);
+ }
+
+ $Inst = shift (@info) if (@info);
+
+ confess ("unrecognized elements in pathinfo") if (@info);
+}
+
+sub get_all_files
+{
+ my $dir = @_ ? shift : $Config->{'Directory'};
+ my $hash = {};
+ my $dh;
+
+ if (opendir ($dh, $dir))
+ {
+ while (my $thing = readdir ($dh))
+ {
+ next if ($thing =~ m/^\./);
+
+ my $type;
+ my $inst;
+
+ if ($thing =~ m/^(\w+)-([\w\-\.]+)\.rrd$/)
+ {
+ $type = $1;
+ $inst = $2;
+ }
+ elsif ($thing =~ m/^(\w+)\.rrd$/)
+ {
+ $type = $1;
+ $inst = '';
+ }
+ else
+ {
+ next;
+ }
+
+ $hash->{$type} = [] unless (defined ($hash->{$type}));
+ push (@{$hash->{$type}}, $inst);
+ }
+
+ closedir ($dh);
+ }
+
+ return ($hash);
+}
+
+sub get_all_dirs
+{
+ my $dir = @_ ? shift : $Config->{'Directory'};
+ my @ret = ();
+ my $dh;
+
+ if (opendir ($dh, $dir))
+ {
+ while (my $thing = readdir ($dh))
+ {
+ next if ($thing =~ m/^\./);
+
+ next if (!-d "$dir/$thing");
+
+ push (@ret, $thing);
+ }
+
+ closedir ($dh);
+ }
+
+ return (@ret) if (wantarray ());
+ return (\@ret);
+}
+
+sub color_hex2rgb
+{
+ my $color = shift;
+
+ my ($red, $green, $blue) = map { ord (pack ("H2", $_)) } ($color =~ m/([A-Fa-f0-9]{2})/g);
+ #print STDERR "$color -> rgb($red,$green,$blue)\n";
+
+ return ($red, $green, $blue);
+}
+
+sub color_rgb2hex
+{
+ croak unless (scalar (@_) == 3);
+
+ my ($red, $green, $blue) = @_;
+
+ my $ret = sprintf ("%02X%02X%02X", $red, $green, $blue);
+ #print STDERR "rgb($red,$green,$blue) -> $ret\n";
+
+ return ($ret);
+}
+
+sub color_calculate_transparent
+{
+ my $alpha = shift;
+ my $canvas = [color_hex2rgb (shift)];
+ my @colors = map { [color_hex2rgb ($_)] } (@_);
+
+ if (($alpha < 0.0) or ($alpha > 1.0))
+ {
+ $alpha = 1.0;
+ }
+
+ if ($alpha == 0.0)
+ {
+ return (color_rgb2hex (@$canvas));
+ }
+ if ($alpha == 1.0)
+ {
+ return (color_rgb2hex (@{$colors[-1]}));
+ }
+
+ my $ret = _color_calculate_transparent ($alpha, $canvas, @colors);
+
+ return (color_rgb2hex (@$ret));
+}
+
+sub _color_calculate_transparent
+{
+ my $alpha = shift;
+ my $canvas = shift;
+ my $color = shift;
+ my @colors = @_ ? shift : ();
+ my $ret = [0, 0, 0];
+
+ for (my $i = 0; $i < 3; $i++)
+ {
+ $ret->[$i] = ($alpha * $color->[$i]) + ((1 - $alpha) * $canvas->[$i]);
+ }
+
+ return (_color_calculate_transparent ($alpha, $ret, @colors)) if (@colors);
+ return ($ret);
+}
+
+sub get_n_colors
+{
+ my $num = shift;
+ my @ret = ();
+
+ for (my $i = 0; $i < $num; $i++)
+ {
+ my $pos = 6 * $i / $num;
+ my $n = int ($pos);
+ my $p = $pos - $n;
+ my $q = 1 - $p;
+
+ my $red = 0;
+ my $green = 0;
+ my $blue = 0;
+
+ if ($n == 0)
+ {
+ $red = 255;
+ $blue = 255 * $p;
+ }
+ elsif ($n == 1)
+ {
+ $red = 255 * $q;
+ $blue = 255;
+ }
+ elsif ($n == 2)
+ {
+ $green = 255 * $p;
+ $blue = 255;
+ }
+ elsif ($n == 3)
+ {
+ $green = 255;
+ $blue = 255 * $q;
+ }
+ elsif ($n == 4)
+ {
+ $red = 255 * $p;
+ $green = 255;
+ }
+ elsif ($n == 5)
+ {
+ $red = 255;
+ $green = 255 * $q;
+ }
+ else { die; }
+
+ push (@ret, sprintf ("%02x%02x%02x", $red, $green, $blue));
+ }
+
+ return (@ret);
+}
diff --git a/contrib/users b/contrib/users
--- /dev/null
+++ b/contrib/users
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+FILE="/var/lib/collectd/users.rrd"
+HOST=""
+
+if [ -n "$SERVER_NAME" ]; then
+ HOST=$SERVER_NAME
+ echo "Content-Type: image/png";
+ echo "";
+else
+ HOST=`hostname -f`
+fi
+
+rrdtool graph - -a PNG -t "$HOST users" -v "Users" \
+ -c "BACK#000000" \
+ -c "SHADEA#000000" \
+ -c "SHADEB#000000" \
+ -c "FONT#dddddd" \
+ -c "CANVAS#202020" \
+ -c "GRID#666666" \
+ -c "MGRID#aaaaaa" \
+ -c "FRAME#202020" \
+ -c "ARROW#ffffff" \
+ "DEF:users_avg=$FILE:users:AVERAGE" \
+ "DEF:users_min=$FILE:users:MIN" \
+ "DEF:users_max=$FILE:users:MAX" \
+ "AREA:users_max#804040" \
+ "AREA:users_min#202020" \
+ "LINE1:users_avg#ff0000:Users" \
+ "GPRINT:users_min:MIN:%4.1lf Min," \
+ "GPRINT:users_avg:AVERAGE:%4.1lf Average," \
+ "GPRINT:users_max:MAX:%4.1lf Max," \
+ "GPRINT:users_avg:LAST:%4.1lf Last\l"
+
diff --git a/debian/collectd-users.files b/debian/collectd-users.files
--- /dev/null
@@ -0,0 +1 @@
+usr/lib/collectd/users.so*
diff --git a/debian/collectd.examples b/debian/collectd.examples
--- /dev/null
+++ b/debian/collectd.examples
@@ -0,0 +1,12 @@
+contrib/cpu
+contrib/load
+contrib/iobytes
+contrib/iowait
+contrib/load
+contrib/memory
+contrib/ping
+contrib/swap
+contrib/temperature
+contrib/traffic
+contrib/users
+contrib/museum
diff --git a/debian/control b/debian/control
index 35b6f1f19b44d65be4f16d5fb09c9b0752fe10cd..941de0e0e537cd98e3c3731c2674f0352b10cce5 100644 (file)
--- a/debian/control
+++ b/debian/control
Depends: collectd (= ${Source-Version})
Description: collectd module for network traffic.
collectd module to collect network traffic counters.
+
+Package: collectd-users
+Architecture: any
+Depends: collectd (= ${Source-Version})
+Description: collectd module for user count.
+ collectd module to collect the number of users logged into the system.
diff --git a/debian/rules b/debian/rules
index 3198d15a67cb40bbb7cd4837408117648d0596d9..25a9e29aa413f94214ca88abc10f983d54980883 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
CFLAGS = -Wall -g
-PLUGINS = cpu cpufreq disk hddtemp load memory nfs ping processes sensors serial swap traffic
+PLUGINS = cpu cpufreq disk hddtemp load memory nfs ping processes sensors serial swap traffic users
ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
CFLAGS += -O0
diff --git a/src/Makefile.am b/src/Makefile.am
index ce6cf4690591319a9e55e77fb3e7b3b2e305f5ad..75e1735f99108618e4c80bf489c6dae33271148b 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
traffic_la_LDFLAGS = -module
endif
+if BUILD_MODULE_USERS
+pkglib_LTLIBRARIES += users.la
+users_la_SOURCES = users.c users.h
+users_la_LDFLAGS = -module
+endif
+
man_MANS = collectd.1
#collectd_1_SOURCES = collectd.pod
diff --git a/src/collectd.pod b/src/collectd.pod
index ba7b6bed9b9fd0c5c7d476e007bb9a2224c32702..6c92dc95186928d100bc7a3b5d52ded86f2c1454 100644 (file)
--- a/src/collectd.pod
+++ b/src/collectd.pod
Network traffic (I<traffic>)
+=item
+
+Number of users logged into the system (I<users>)
+
=back
=head1 OPTIONS
Sets the directory collectd should work in. All F<.rrd>-files are created in
this directory. Per default this is F</var/lib/collectd/>.
+=item B<-P> I<E<lt>directoryE<gt>>
+
+Sets the directory collectd should look for plugins in. Per default this is
+F</usr/lib/collectd>.
+
=item B<-f>
Don't fork to the background. I<collectd> will also B<not> close standard file
DS:incoming:COUNTER:25:0:U
DS:outgoing:COUNTER:25:0:U
+=item Users
+
+ DS:users:GAUGE:25:0:65535
+
=back
=head1 MODES
diff --git a/src/config.h.in b/src/config.h.in
--- /dev/null
+++ b/src/config.h.in
@@ -0,0 +1,244 @@
+/* src/config.h.in. Generated from configure.in by autoheader. */
+
+/* Wether or not to collect CPU usage statistics */
+#undef COLLECT_CPU
+
+/* Wether or not to collect cpu frequency statistics */
+#undef COLLECT_CPUFREQ
+
+/* Wether or not to collect diskstats */
+#undef COLLECT_DISK
+
+/* Wether or not to collect hdd temperature statistics */
+#undef COLLECT_HDDTEMP
+
+/* Wether or not to collect system load statistics */
+#undef COLLECT_LOAD
+
+/* Wether or not to collect memory statistics */
+#undef COLLECT_MEMORY
+
+/* Wether or not to collect nfs statistics */
+#undef COLLECT_NFS
+
+/* Wether or not to collect ping statistics */
+#undef COLLECT_PING
+
+/* Wether or not to collect processes statistics */
+#undef COLLECT_PROCESSES
+
+/* Wether or not to collect lm_sensors statistics */
+#undef COLLECT_SENSORS
+
+/* Wether or not to collect serial statistics */
+#undef COLLECT_SERIAL
+
+/* Wether or not to collect swap statistics */
+#undef COLLECT_SWAP
+
+/* Wether or not to collect tape statistics */
+#undef COLLECT_TAPE
+
+/* Wether or not to collect network traffic statistics */
+#undef COLLECT_TRAFFIC
+
+/* Wether or not to collect user count statistics */
+#undef COLLECT_USERS
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `gethostbyname' function. */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the <kstat.h> header file. */
+#undef HAVE_KSTAT_H
+
+/* Define to 1 if you have the `devinfo' library (-ldevinfo). */
+#undef HAVE_LIBDEVINFO
+
+/* Define to 1 if you have the `dl' library (-ldl). */
+#undef HAVE_LIBDL
+
+/* Define to 1 if you have the `kstat' library (-lkstat). */
+#undef HAVE_LIBKSTAT
+
+/* Define to 1 if you have the `m' library (-lm). */
+#undef HAVE_LIBM
+
+/* Define to 1 if you have the `nsl' library (-lnsl). */
+#undef HAVE_LIBNSL
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+#undef HAVE_LIBRESOLV
+
+/* Define to 1 if you have the `rrd' library (-lrrd). */
+#undef HAVE_LIBRRD
+
+/* Define to 1 if you have the sensors library (-lsensors). */
+#undef HAVE_LIBSENSORS
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
+/* Define to 1 if you have the `statgrab' library (-lstatgrab). */
+#undef HAVE_LIBSTATGRAB
+
+/* Define to 1 if you have the `memcpy' function. */
+#undef HAVE_MEMCPY
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define to 1 if you have the <rrd.h> header file. */
+#undef HAVE_RRD_H
+
+/* Define to 1 if you have the `select' function. */
+#undef HAVE_SELECT
+
+/* Define to 1 if you have the <sensors/sensors.h> header file. */
+#undef HAVE_SENSORS_SENSORS_H
+
+/* Define to 1 if you have the <signal.h> header file. */
+#undef HAVE_SIGNAL_H
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if you have the <statgrab.h> header file. */
+#undef HAVE_STATGRAB_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the `strcmp' function. */
+#undef HAVE_STRCMP
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strlen' function. */
+#undef HAVE_STRLEN
+
+/* Define to 1 if you have the `strncasecmp' function. */
+#undef HAVE_STRNCASECMP
+
+/* Define to 1 if you have the `strncmp' function. */
+#undef HAVE_STRNCMP
+
+/* Define to 1 if you have the `strncpy' function. */
+#undef HAVE_STRNCPY
+
+/* Define to 1 if you have the `strstr' function. */
+#undef HAVE_STRSTR
+
+/* Define to 1 if you have the `strtol' function. */
+#undef HAVE_STRTOL
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/times.h> header file. */
+#undef HAVE_SYS_TIMES_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#undef HAVE_SYS_WAIT_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* True if program is to be compiled for a Linux kernel */
+#undef KERNEL_LINUX
+
+/* True if program is to be compiled for a Solaris kernel */
+#undef KERNEL_SOLARIS
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* Version number of package */
+#undef VERSION
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `int' if <sys/types.h> does not define. */
+#undef pid_t
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+#undef size_t
diff --git a/src/users.c b/src/users.c
--- /dev/null
+++ b/src/users.c
@@ -0,0 +1,105 @@
+/*
+ * users.c
+ *
+ * users plugin for collectd
+ *
+ * This plugin collects the number of users currently logged into the system.
+ *
+ * Written by Sebastian Harl <sh@tokkee.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "users.h"
+
+#if COLLECT_USERS
+#define MODULE_NAME "users"
+
+#include "plugin.h"
+#include "common.h"
+
+#include <utmp.h>
+
+static char *rrd_file = "users.rrd";
+
+static char *ds_def[] = {
+ "DS:users:GAUGE:25:0:65535",
+ NULL
+};
+static int ds_num = 1;
+
+extern time_t curtime;
+
+void users_init(void)
+{
+ /* we have nothing to do here :-) */
+ return;
+}
+
+void users_read(void)
+{
+ unsigned int users = 0;
+ unsigned int root = 0;
+ struct utmp *entry = NULL;
+
+ /* according to the *utent(3) man page none of the functions sets errno in
+ * case of an error, so we cannot do any error-checking here */
+ setutent();
+
+ while (NULL != (entry = getutent()))
+ if (USER_PROCESS == entry->ut_type)
+ ++users;
+ endutent();
+
+ users_submit(users);
+ return;
+}
+
+/* I don't like this temporary macro definition - well it's used everywhere
+ * else in the collectd-sources, so I will just stick with it... */
+#define BUFSIZE 256
+void users_submit(users)
+ unsigned int users;
+{
+ char buf[BUFSIZE] = "";
+
+ if (snprintf(buf, BUFSIZE, "%u:%u",
+ (unsigned int)curtime,
+ users) >= BUFSIZE)
+ return;
+
+ plugin_submit(MODULE_NAME, NULL, buf);
+ return;
+}
+#undef BUFSIZE
+
+void users_write(host, inst, val)
+ char *host;
+ char *inst;
+ char *val;
+{
+ rrd_update_file(host, rrd_file, val, ds_def, ds_num);
+ return;
+}
+
+void module_register(void)
+{
+ plugin_register(MODULE_NAME, users_init, users_read, users_write);
+ return;
+}
+
+#undef MODULE_NAME
+#endif /* COLLECT_USERS */
+
diff --git a/src/users.h b/src/users.h
--- /dev/null
+++ b/src/users.h
@@ -0,0 +1,42 @@
+/*
+ * users.h
+ *
+ * users plugin for collectd
+ *
+ * This plugin collects the number of users currently logged into the system.
+ *
+ * Written by Sebastian Harl <sh@tokkee.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef USERS_H
+#define USERS_H 1
+
+#include "config.h"
+
+#ifndef COLLECT_USERS
+#define COLLECT_USERS 1
+#endif /* ! defined(COLLECT_USERS) */
+
+void users_init(void);
+void users_read(void);
+void users_submit(unsigned int);
+void users_write(char *, char *, char *);
+
+void module_register(void);
+
+#endif /* ! defined(USERS_H) */
+