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[/] [branches/] [HotSaNIC-0.5.0-pre6/] [modules/] [system/] [platform/] [syssnmp.pm] - Blame information for rev 17

 

Line No. Rev Author Line
11simandlpackage HotSaNICmod::syssnmp;
2 
3use lib "../../lib";
4use HotSaNICsnmp;
5 
6sub version {
7 ($VERSION = '$Revision: 1.29 $') =~ s/.*(\d+\.\d+).*/$1/;
8 return "syssnmp.pm $VERSION";
9 }
10 
11sub sample {
12 %args=@_;
13 
14 foreach $entry (@{$args{HOST}}) {
15 my ($host,$community,$item,$dbname,$name,$file,$description,$targets)=HotSaNICmod::common::get_names($entry);
16 if ($host ne "") {
17 # Now do the real work ...
18 if (index($targets,"cpu" )>=0) { do_cpu($host,$community,$args{VARDIR}); }
19 if (index($targets,"load" )>=0) { do_load($host,$community); }
20 if (index($targets,"proc" )>=0) { do_proc($host,$community); }
21 if ( (index($targets,"mem" )>=0) or (index($targets,"swap") >=0) ) { do_mem($host,$community); }
22 if (index($targets,"users")>=0) { do_users($host,$community); }
23 }
24 }
25 }
26 
27# Gather data from SNMP agent
28 
29# uptime-oid: .1.3.6.1.2.1.25.1.1.0
30 
31sub do_cpu {
32 my ($host,$com,$vardir)=@_;
33 my $oid = '.1.3.6.1.4.1.2021.11'; # enterprises.ucdavis.systemStats
34 my $suf_user = '.50.0'; # .ssCpuRawUser.0
35 my $suf_nice = '.51.0'; # .ssCpuRawNice.0
36 my $suf_system = '.52.0'; # .ssCpuRawSystem.0
37 my $suf_idle = '.53.0'; # .ssCpuRawIdle.0
38 my $suf_intr = '.56.0'; # .ssCpuRawIdle.0
39 
40 undef my %cpu_new;
41 my $cpu_all;
42 my %cpu_old = ( user => 0, nice => 0, system => 0, idle => 0 );
43 my $filename = $vardir."/cpu_".$host.".dat";
44 
45 defined($res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef;
46 $cpu_new{'user'} = $$res{$oid.$suf_user} || 0;
47 $cpu_new{'nice'} = $$res{$oid.$suf_nice} || 0;
48 $cpu_new{'system'} = $$res{$oid.$suf_system} || 0;
49 $cpu_new{'idle'} = $$res{$oid.$suf_idle} || 0;
50 $cpu_new{'intr'} = $$res{$oid.$suf_intr} || 0;
51 
52 if( -e $filename ) {
53 open(CPUFILE, "$filename");
54 my $line = do { local $/; <CPUFILE> };
55 ($user,$nice,$system,$idle) = split " ", $line;
56 close CPUFILE;
57 
58 $cpu_old{'user'} = $user || 0;
59 $cpu_old{'nice'} = $nice || 0;
60 $cpu_old{'system'} = $system || 0;
61 $cpu_old{'idle'} = $idle || 0;
62 }
63 
64 $cpu_all =
65 ($cpu_new{'user'}+$cpu_new{'nice'}+$cpu_new{'system'}+$cpu_new{'idle'})
66 - ($cpu_old{'user'}+$cpu_old{'nice'}+$cpu_old{'system'}+$cpu_old{'idle'});
67 
68 open(CPUFILE, ">$filename");
69 print CPUFILE "$cpu_new{'user'} $cpu_new{'nice'} $cpu_new{'system'} $cpu_new{'idle'}";
70 close CPUFILE;
71 
72 if ( $cpu_all > 0 ) {
73 $cpu_new{'user'} = ($cpu_new{'user'}-$cpu_old{'user'})/$cpu_all;
74 $cpu_new{'nice'} = ($cpu_new{'nice'}-$cpu_old{'nice'})/$cpu_all;
75 $cpu_new{'system'} = ($cpu_new{'system'}-$cpu_old{'system'})/$cpu_all;
76 $cpu_new{'idle'} = ($cpu_new{'idle'}-$cpu_old{'idle'})/$cpu_all;
77 }
78 else {
79 $cpu_new{'user'} = "U";
80 $cpu_new{'nice'} = "U";
81 $cpu_new{'system'} = "U";
82 $cpu_new{'idle'} = "U";
83 }
84 
85 my $rrdname = "cpu_".$host;
86 
87 if ( $^O =~ /bsd/i ) {
88 HotSaNICmod::do_rrd($rrdname,"U",time,$cpu_new{'user'},$cpu_new{'nice'},$cpu_new{'system'},$cpu_new{'idle'},$cpu_new{'intr'});
89 } else {
90 HotSaNICmod::do_rrd($rrdname,"U",time,$cpu_new{'user'},$cpu_new{'nice'},$cpu_new{'system'},$cpu_new{'idle'});
91 }
92 
93}
94 
95sub do_load {
96 my ($host,$com)=@_;
97 my $oid = '.1.3.6.1.4.1.2021.10.1.3'; # enterprises.ucdavis.laTable.laEntry.laLoad
98 
99 my @load;
100 
101 defined(my $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef;
102 foreach ( sort keys(%$res) ) {
103 push @load, $$res{$_} || 0;
104 }
105 
106 my $rrdname = "load_".$host;
107 
108 HotSaNICmod::do_rrd($rrdname,"U",time,$load[2],$load[1],$load[0]);
109}
110 
111sub do_proc {
112 my ($host,$com)=@_;
113 my $oid = '.1.3.6.1.2.1.25.4.2.1.7'; # host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunStatus
114 
115 my %proc = ( running => 0,
116 runnable => 0,
117 notRunnable => 0,
118 invalid => 0
119 );
120 
121 defined(my $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef;
122 foreach( keys(%$res) ) {
123 for ($$res{$_}) {
124 if (/(1|running)/) { $proc{'running'}++; }
125 elsif (/(2|runnable)/) { $proc{'runnable'}++; }
126 elsif (/(3|notRunnable)/) { $proc{'notRunnable'}++; }
127 elsif (/(4|invalid)/) { $proc{'invalid'}++; }
128 else { HotSaNIClog::warn("unknown state seen."); }
129 }
130 }
131 
132 my $rrdname = "proc_".$host;
133 
134 HotSaNICmod::do_rrd($rrdname,"U",time,$proc{'runnable'},$proc{'running'},$proc{'invalid'},$proc{'notRunnable'},"U");
135}
136 
137sub do_mem {
138 my ($host,$com)=@_;
139 my $oid = '.1.3.6.1.4.1.2021.4'; # enterprises.ucdavis.memory
140 my $suf_total = '.5.0'; # .memTotalReal.0
141 my $suf_free = '.6.0'; # .memAvailReal.0
142 my $suf_buffer = '.14.0'; # .memBuffer.0
143 my $suf_cache = '.15.0'; # .memCached.0
144 my $suf_inactive = '0'; # inactive not readable via snmp
145 
146 my $suf_swap_total = '.3.0'; # .memTotalSwap.0
147 my $suf_swap_free = '.4.0'; # .memAvailSwap.0
148 
149 my %mem;
150 
151 defined(my $res = HotSaNICsnmp::snmp_walk($host, $com, ($oid))) || return undef;
152 $mem{'totalReal'} = $$res{$oid.$suf_total} * 1024 || 0;
153 $mem{'availReal'} = $$res{$oid.$suf_free} * 1024 || 0;
154 $mem{'buffer'} = $$res{$oid.$suf_buffer} * 1024 || 0;
155 $mem{'cached'} = $$res{$oid.$suf_cache} * 1024 || 0;
156 $mem{'totalSwap'} = $$res{$oid.$suf_swap_total} * 1024 || 0;
157 $mem{'swapFree'} = $$res{$oid.$suf_swap_free} * 1024 || 0;
158 $mem{'swapUsed'} = $mem{'totalSwap'} - $mem{'swapFree'};
159 
160 $mem{'shared'} = $mem{'totalReal'}-$mem{'availReal'}-$mem{'buffer'}-$mem{'cached'};
161 
162 my $rrdname = "mem_".$host;
163 
164 if ( $^O =~ /bsd/ ) {
165 HotSaNICmod::do_rrd($rrdname,"U",time,$mem{'availReal'},$mem{'inactive'},$mem{'shared'},$mem{'buffer'},$mem{'cached'},$mem{'swapFree'},$mem{'swapUsed'});
166 # HotSaNICmod::do_rrd("mem","U",time,$memfree,$meminac,$memactv,$memwire,$memcach,$swpfree,$swpused);
167 } else {
168 HotSaNICmod::do_rrd($rrdname,"U",time,$mem{'availReal'},$mem{'shared'},$mem{'buffer'},$mem{'cached'},$mem{'swapFree'},$mem{'swapUsed'});
169 }
170}
171 
172sub do_users {
173 my ($host,$com)=@_;
174 my $oid = '.1.3.6.1.2.1.25.1.5.0'; # host.hrSystem.hrSystemNumUsers.0
175 
176 defined(my $res = HotSaNICsnmp::snmp_get($host, $com, ($oid))) || return undef;
177 
178 my $users=$$res{$oid};
179 my $rrdname = "users_".$host;
180 
181 HotSaNICmod::do_rrd($rrdname,"U",time,$users,"U","U");
182}
183 
1841;

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