#!/usr/bin/perl
#
# collectd - contrib/cussh.pl
-# Copyright (C) 2007-2008 Sebastian Harl
+# Copyright (C) 2007-2009 Sebastian Harl
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
my $sock = Collectd::Unixsock->new($path);
my $cmds = {
+ HELP => \&cmd_help,
PUTVAL => \&putval,
GETVAL => \&getval,
+ GETTHRESHOLD => \&getthreshold,
FLUSH => \&flush,
LISTVAL => \&listval,
+ PUTNOTIF => \&putnotif,
};
if (! $sock) {
exit 0;
}
+sub tokenize {
+ my $line = shift || return;
+ my $line_ptr = $line;
+ my @line = ();
+
+ my $token_pattern = qr/[^"\s]+|"[^"]+"/;
+
+ while (my ($token) = $line_ptr =~ m/^($token_pattern)\s+/) {
+ $line_ptr = $';
+ push @line, $token;
+ }
+
+ if ($line_ptr =~ m/^$token_pattern$/) {
+ push @line, $line_ptr;
+ }
+ else {
+ my ($token) = split m/ /, $line_ptr, 1;
+ print STDERR "Failed to parse line: $line\n";
+ print STDERR "Parse error near token \"$token\".\n";
+ return;
+ }
+
+ foreach my $l (@line) {
+ if ($l =~ m/^"(.*)"$/) {
+ $l = $1;
+ }
+ }
+ return @line;
+}
+
sub getid {
my $string = shift || return;
- print $$string . $/;
my ($h, $p, $pi, $t, $ti) =
- $$string =~ m#^([^/]+)/([^/-]+)(?:-([^/]+))?/([^/-]+)(?:-([^/]+))?\s*#;
- $$string = $';
+ $string =~ m#^([^/]+)/([^/-]+)(?:-([^/]+))?/([^/-]+)(?:-([^/]+))?\s*#;
+ $string = $';
return if ((! $h) || (! $p) || (! $t));
=over 4
-=item B<GETVAL> I<Identifier>
+=item B<HELP>
+
+=cut
+
+sub cmd_help {
+ my $sock = shift;
+ my $line = shift || '';
+
+ my @line = tokenize($line);
+ my $cmd = shift (@line);
+
+ my %text = (
+ help => <<HELP,
+Available commands:
+ HELP
+ PUTVAL
+ GETVAL
+ GETTHRESHOLD
+ FLUSH
+ LISTVAL
+ PUTNOTIF
+
+See the embedded Perldoc documentation for details. To do that, run:
+ perldoc $0
+HELP
+ putval => <<HELP,
+PUTVAL <id> <value0> [<value1> ...]
+
+Submits a value to the daemon.
+HELP
+ getval => <<HELP,
+GETVAL <id>
+
+Retrieves the current value or values from the daemon.
+HELP
+ flush => <<HELP,
+FLUSH [plugin=<plugin>] [timeout=<timeout>] [identifier=<id>] [...]
+
+Sends a FLUSH command to the daemon.
+HELP
+ listval => <<HELP,
+LISTVAL
+
+Prints a list of available values.
+HELP
+ putnotif => <<HELP
+PUTNOTIF severity=<severity> [...] message=<message>
+
+Sends a notifications message to the daemon.
+HELP
+ );
+
+ if (!$cmd)
+ {
+ $cmd = 'help';
+ }
+ if (!exists ($text{$cmd}))
+ {
+ print STDOUT "Unknown command: " . uc ($cmd) . "\n\n";
+ $cmd = 'help';
+ }
+
+ print STDOUT $text{$cmd};
+
+ return 1;
+} # cmd_help
+
+=item B<PUTVAL> I<Identifier> I<Valuelist>
=cut
my $sock = shift || return;
my $line = shift || return;
- my $id = getid(\$line);
+ my @line = tokenize($line);
+
+ my $id;
+ my $ret;
+
+ if (! @line) {
+ return;
+ }
+
+ if (scalar(@line) < 2) {
+ print STDERR "Synopsis: PUTVAL <id> <value0> [<value1> ...]" . $/;
+ return;
+ }
+
+ $id = getid($line[0]);
if (! $id) {
- print STDERR $sock->{'error'} . $/;
+ print STDERR "Invalid id \"$line[0]\"." . $/;
return;
}
my ($time, @values) = split m/:/, $line;
- return $sock->putval(%$id, time => $time, values => \@values);
+ $ret = $sock->putval(%$id, time => $time, values => \@values);
+
+ if (! $ret) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ }
+ return $ret;
}
-=item B<PUTVAL> I<Identifier> I<Valuelist>
+=item B<GETVAL> I<Identifier>
=cut
my $sock = shift || return;
my $line = shift || return;
- my $id = getid(\$line);
+ my @line = tokenize($line);
+
+ my $id;
+ my $vals;
+
+ if (! @line) {
+ return;
+ }
+
+ if (scalar(@line) < 1) {
+ print STDERR "Synopsis: GETVAL <id>" . $/;
+ return;
+ }
+
+ $id = getid($line[0]);
+
+ if (! $id) {
+ print STDERR "Invalid id \"$line[0]\"." . $/;
+ return;
+ }
+
+ $vals = $sock->getval(%$id);
+
+ if (! $vals) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ return;
+ }
+
+ foreach my $key (keys %$vals) {
+ print "\t$key: $vals->{$key}\n";
+ }
+ return 1;
+}
+
+=item B<GETTHRESHOLD> I<Identifier>
+
+=cut
+
+sub getthreshold {
+ my $sock = shift || return;
+ my $line = shift || return;
+
+ my @line = tokenize($line);
+
+ my $id;
+ my $vals;
+
+ if (! @line) {
+ return;
+ }
+
+ if (scalar(@line) < 1) {
+ print STDERR "Synopsis: GETTHRESHOLD <id>" . $/;
+ return;
+ }
+
+ $id = getid($line[0]);
if (! $id) {
- print STDERR $sock->{'error'} . $/;
+ print STDERR "Invalid id \"$line[0]\"." . $/;
return;
}
- my $vals = $sock->getval(%$id);
+ $vals = $sock->getthreshold(%$id);
if (! $vals) {
- print STDERR $sock->{'error'} . $/;
+ print STDERR "socket error: " . $sock->{'error'} . $/;
return;
}
my $sock = shift || return;
my $line = shift;
+ my @line = tokenize($line);
+
my $res;
if (! $line) {
else {
my %args = ();
- foreach my $i (split m/ /, $line) {
+ foreach my $i (@line) {
my ($option, $value) = $i =~ m/^([^=]+)=(.+)$/;
next if (! ($option && $value));
elsif ($option eq "timeout") {
$args{"timeout"} = $value;
}
+ elsif ($option eq "identifier") {
+ my $id = getid ($value);
+ if (!$id)
+ {
+ print STDERR "Not a valid identifier: \"$value\"\n";
+ next;
+ }
+ push @{$args{"identifier"}}, $id;
+ }
else {
print STDERR "Invalid option \"$option\".\n";
return;
}
if (! $res) {
- print STDERR $sock->{'error'} . $/;
- return;
+ print STDERR "socket error: " . $sock->{'error'} . $/;
}
- return 1;
+ return $res;
}
=item B<LISTVAL>
sub listval {
my $sock = shift || return;
+ my $line = shift;
my @res;
+ if ($line ne "") {
+ print STDERR "Synopsis: LISTVAL" . $/;
+ return;
+ }
+
@res = $sock->listval();
if (! @res) {
- print STDERR $sock->{'error'} . $/;
+ print STDERR "socket error: " . $sock->{'error'} . $/;
return;
}
return 1;
}
+=item B<PUTNOTIF> [[B<severity>=I<$severity>] [B<message>=I<$message>] [ ...]]
+
+=cut
+
+sub putnotif {
+ my $sock = shift || return;
+ my $line = shift || return;
+
+ my @line = tokenize($line);
+
+ my $ret;
+
+ my (%values) = ();
+ foreach my $i (@line) {
+ my ($key, $val) = split m/=/, $i, 2;
+ if ($key && $val) {
+ $values{$key} = $val;
+ }
+ else {
+ $values{'message'} = defined($values{'message'})
+ ? ($values{'message'} . ' ' . $key)
+ : $key;
+ }
+ }
+ $values{'time'} ||= time();
+
+ $ret = $sock->putnotif(%values);
+ if (! $ret) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ }
+ return $ret;
+}
+
=back
These commands follow the exact same syntax as described in
projects / collectd.git / blobdiff