#!/usr/bin/perl -w # # xmlrpc based munin plugin for monitoring rtorrent's memory usage # 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" # ip rTorrent's ip address - using scgi_port - needed, when "src" is NOT set to "socket" # port rTorrent's scgi port (scgi_port) - using scgi_port - needed, when "src" is NOT set to "socket" # category Change graph category # # Configuration example # # [rtom_mem] # user username # env.src socket # env.socket /home/user/torrent/.socket/rpc.socket # env.category Category # # [rtom_mem] # env.ip 127.0.0.1 # env.port 5000 # # #%# family=auto if ( $ARGV[0] and $ARGV[0] eq "autoconf" ) { exit 1; } if ( $ARGV[0] and $ARGV[0] eq "config" ) { my $category = $ENV{"category"} || ""; print "graph_title rTorrent memory usage\n"; print "graph_args --base 1024 --lower-limit 0\n"; print "graph_vlabel Bytes\n"; print "graph_category filetransfer".${category}."\n"; print "mem.label Memory usage\n"; print "mem.info Memory osage of rTorrent\n"; print "mem.type GAUGE\n"; print "mem.draw LINE2\n"; exit 0; } use IO::Socket; my $src = $ENV{"src"} || ""; my $ip = $ENV{"ip"} || "127.0.0.1"; my $port = $ENV{"port"} || "5000"; my $socket = $ENV{"socket"} || ""; my $pattern = qr/<(int|i4|i8|ex\.i8)>(\d+)<\/(int|i4|i8|ex\.i8)><\/value>/; my $line = "get_memory_usage"; my $llen = length $line; my $header = "CONTENT_LENGTH\000${llen}\000SCGI\001\000"; my $hlen = length $header; $line = "${hlen}:${header},${line}"; if ( ( defined $src ) && ( $src eq "socket" ) ) { socket( SOCK, PF_UNIX, SOCK_STREAM, 0 ) or die; connect( SOCK, sockaddr_un( $socket ) ) or die $!; } else { socket( SOCK, PF_INET, SOCK_STREAM, getprotobyname( "tcp" ) ); connect( SOCK, sockaddr_in( $port, inet_aton( $ip ) ) ); } print SOCK $line; flush SOCK; my $mem = 0; while ( $line = ) { if ( $line =~ /$pattern/ ) { $mem = $2; } } close (SOCK); print "mem.value ${mem}\n"; exit;