112 lines
3.7 KiB
Perl
Executable File
112 lines
3.7 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# xmlrpc based munin plugin for monitoring rtorrent's memory usage
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# prerequisites:
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# - rtorrent 0.7.5 or newer compiled with --with-xmlrpc-c
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# check http://libtorrent.rakshasa.no/wiki/RTorrentXMLRPCGuide for further information
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#
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# written by Gabor Hudiczius
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# web: http://projects.cyla.homeip.net/rtwi/wiki/rTorrentOMeter
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# email: ghudiczius@gmail.com
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#
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# 0.2.0 - 080619
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# support for scgi_port and scgi_local
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# configurable via munin env variables
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# initial release
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#
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#
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# Parameters:
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#
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# config required
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#
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#
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# Configurable variables
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#
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# src "socket" when using scgi_socket, or anything else when using scgi_port
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# socket rTorrent's rpc socket (scgi_local) - using scgi_local - needed, when "src" is set to "socket"
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# ip rTorrent's ip address - using scgi_port - needed, when "src" is NOT set to "socket"
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# port rTorrent's scgi port (scgi_port) - using scgi_port - needed, when "src" is NOT set to "socket"
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# category Change graph category
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#
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# Configuration example
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#
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# [rtom_allsessions_*]
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# user username
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# env.src socket
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# env.socket /home/user/torrent/.socket/rpc.socket,/home/user/torrent/.socket/rpc.socket
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# env.category Category
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#
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# [rtom_allsessions_*]
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# user username
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# env.port 5000,5001,5002,5003
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# env.category Category
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#
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#%# family=auto
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if ( $ARGV[0] and $ARGV[0] eq "autoconf" ) {
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exit 1;
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}
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if ( $ARGV[0] and $ARGV[0] eq "config" ) {
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my $category = $ENV{"category"} || "";
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print "graph_title rTorrent memory usage\n";
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print "graph_args --base 1024 --lower-limit 0\n";
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print "graph_vlabel Bytes\n";
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print "graph_category filetransfer".${category}."\n";
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print "mem.label Memory usage\n";
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print "mem.info Memory usage of rTorrent\n";
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print "mem.type GAUGE\n";
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print "mem.draw LINE2\n";
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exit 0;
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}
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use IO::Socket;
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my $src = $ENV{"src"} || "";
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my @sockets = split /,/, $ENV{"socket"} || "";
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my $ip = $ENV{"ip"} || "127.0.0.1";
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my @ports = split /,/, $ENV{"port"} || "";
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my $mem = 0;
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my $pattern = qr/<value><(int|i4|i8|ex\.i8)>(\d+)<\/(int|i4|i8|ex\.i8)><\/value>/;
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my $line = "<?xml version=\"1.0\" encoding=\"utf-8\"?><methodCall><methodName>get_memory_usage</methodName></methodCall>";
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my $llen = length $line;
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my $header = "CONTENT_LENGTH\000${llen}\000SCGI\001\000";
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my $hlen = length $header;
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if ( ( defined $src ) && ( $src eq "socket" ) ) {
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for $socket (@sockets)
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{
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socket( SOCK, PF_UNIX, SOCK_STREAM, 0 ) or die;
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connect( SOCK, sockaddr_un( $socket ) ) or die $!;
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my $line = "${hlen}:${header},${line}";
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print SOCK $line;
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flush SOCK;
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while ( $line = <SOCK> ) {
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if ( $line =~ /$pattern/ ) {
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$mem = $mem + $2;
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}
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}
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close (SOCK);
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}
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} else {
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for $port (@ports)
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{
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socket( SOCK, PF_INET, SOCK_STREAM, getprotobyname( "tcp" ) );
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connect( SOCK, sockaddr_in( $port, inet_aton( $ip ) ) );
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my $line = "${hlen}:${header},${line}";
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print SOCK $line;
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flush SOCK;
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while ( $line = <SOCK> ) {
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if ( $line =~ /$pattern/ ) {
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$mem = $mem + $2;
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}
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}
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close (SOCK);
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}
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}
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print "mem.value ${mem}\n";
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exit;
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