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

#

# 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

#

#       [rtom_allsessions_*]

#       user username

#       env.port 5000,5001,5002,5003

#       env.category Category

#

#%# 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 filetransfer".${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 $pattern	= qr/<value><string>([A-Z0-9]+)<\/string><\/value>/;

foreach ( @views ) {

	my $num = 0;

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

	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;