Munin contributed plugins

#!/usr/bin/perl -w

#

# xmlrpc based munin plugin for monitoring rtorrent's torrent count

# prerequisites:

#  - rtorrent 0.7.5 or newer compiled with --with-xmlrpc-c

# check http://libtorrent.rakshasa.no/wiki/RTorrentXMLRPCGuide for further information

#

# written by Gabor Hudiczius

# web: http://projects.cyla.homeip.net/rtwi/wiki/rTorrentOMeter

# email: ghudiczius@gmail.com

#

# 0.2.0 - 080619

#  support for scgi_port and scgi_local

#  configurable via munin env variables

#  initial release

#

#

# Parameters:

#

#       config          required

#

#

# Configurable variables

#

#       src             "socket" when using scgi_socket, or anything else when using scgi_port

#       socket          rTorrent's rpc socket (scgi_local)      - using scgi_local      - needed, when "src" is set to "socket"

#       category        Change graph category

#       api             use 'pre09' (pre 0.9.0) or 'current' (0.9.0+) API calls

#

# Configuration example

#

#       [rtom_allsessions_*]

#       user username

#       env.src socket

#       env.socket /home/user/torrent/.socket/rpc.socket,/home/user/torrent/.socket/rpc.socket

#       env.category Category

#       env.api current

#

#       [rtom_allsessions_*]

#       user username

#       env.port 5000,5001,5002,5003

#       env.category Category

#       env.api pre09

#

#%# family=auto

my @views = ( "default", "started", "stopped", "complete", "incomplete" );

if ( $ARGV[0] and $ARGV[0] eq "autoconf" ) {

  exit 1;

}

if ( $ARGV[0] and $ARGV[0] eq "config" ) {

  my $category = $ENV{"category"} || "";

  print "graph_args --base 1000 -r --lower-limit 0\n";

  print "graph_title rTorrent volume\n";

  print "graph_vlabel active torrents\n";

  print "graph_category torrent ".${category}."\n";

  print "complete.label complete\n";

  print "complete.draw AREA\n";

  print "complete.info complete torrents\n";

  print "incomplete.label incomplete\n";

  print "incomplete.draw STACK\n";

  print "incomplete.info incomplete torrents\n";

  print "stopped.label stopped\n";

  print "stopped.draw LINE2\n";

  print "stopped.info stopped torrents\n";

  print "started.label started\n";

  print "started.draw LINE2\n";

  print "started.info started torrents\n";

  print "default.label total\n";

  print "default.draw LINE2\n";

  print "default.info all torrents\n";

  print "hashing.graph no\n";

  print "seeding.graph no\n";

  print "active.graph no\n";

  exit 0;

}

use IO::Socket;

my $src         = $ENV{"src"} || "";

my @sockets     = split /,/, $ENV{"socket"} || "";

my $ip          = $ENV{"ip"} || "127.0.0.1";

my @ports       = split /,/, $ENV{"port"} || "";

my $api         = $ENV{"api"} || "pre09";

my $pattern     = qr/<value><string>([A-Z0-9]+)<\/string><\/value>/;

foreach ( @views ) {

  my $num = 0;

  my $line = "";

  if ($api =~ /pre09/) {

    $line = "<?xml version=\"1.0\" encoding=\"utf-8\"?><methodCall><methodName>d.multicall</methodName><params><param><value><string>${_}</string></value></param><param><value><string>d.get_hash=</string></value></param></params></methodCall>";

  } else {

    $line = "<?xml version=\"1.0\" encoding=\"utf-8\"?><methodCall><methodName>d.multicall2</methodName><params><param><value><string></string></value></param><param><value><string>${_}</string></value></param><param><value><string>d.hash=</string></value></param></params></methodCall>";

  }

  my $llen = length $line;

  my $header = "CONTENT_LENGTH\000${llen}\000SCGI\001\000";

  my $hlen = length $header;

  if ( ( defined $src ) && ( $src eq "socket" ) ) {

    for $socket (@sockets)

    {

      socket( SOCK, PF_UNIX, SOCK_STREAM, 0 ) or die;

      connect( SOCK, sockaddr_un( $socket ) ) or die $!;

      my $line = "${hlen}:${header},${line}";

      print SOCK $line;

      flush SOCK;

      while ( $line = <SOCK> ) {

        if ( $line =~ /$pattern/ ) {

          $num++;

        }

      }

      close (SOCK);

    }

  } else {

    for $port (@ports)

    {

      socket( SOCK, PF_INET, SOCK_STREAM, getprotobyname( "tcp" ) );

      connect( SOCK, sockaddr_in( $port, inet_aton( $ip ) ) );

      my $line = "${hlen}:${header},${line}";

      print SOCK $line;

      flush SOCK;

      while ( $line = <SOCK> ) {

        if ( $line =~ /$pattern/ ) {

          $num++;

        }

      }

      close (SOCK);

    }

  }

  print "${_}.value ${num}\n";

}

exit;