536e1723c1
git-svn-id: https://svn.perl.org/qpsmtpd/branches/high_perf@407 958fd67b-6ff1-0310-b445-bb7760255be9
138 lines
3.2 KiB
Perl
138 lines
3.2 KiB
Perl
# $Id$
|
|
|
|
package Qpsmtpd::ConfigServer;
|
|
|
|
use base ('Danga::Client');
|
|
|
|
use fields qw(
|
|
commands
|
|
_auth
|
|
_commands
|
|
_config_cache
|
|
_connection
|
|
_transaction
|
|
_test_mode
|
|
_extras
|
|
);
|
|
|
|
sub new {
|
|
my Qpsmtpd::ConfigServer $self = shift;
|
|
|
|
$self = fields::new($self) unless ref $self;
|
|
$self->SUPER::new( @_ );
|
|
$self->{commands} = { help => 1, status => 1, };
|
|
$self->write("Enter command:\n");
|
|
return $self;
|
|
}
|
|
|
|
sub process_line {
|
|
my $self = shift;
|
|
my $line = shift || return;
|
|
if ($::DEBUG > 1) { print "$$:".($self+0)."C($self->{mode}): $line"; }
|
|
local $SIG{ALRM} = sub {
|
|
my ($pkg, $file, $line) = caller();
|
|
die "ALARM: $pkg, $file, $line";
|
|
};
|
|
my $prev = alarm(2); # must process a command in < 2 seconds
|
|
my $resp = eval { $self->_process_line($line) };
|
|
alarm($prev);
|
|
if ($@) {
|
|
print STDERR "Error: $@\n";
|
|
}
|
|
return $resp || '';
|
|
}
|
|
|
|
sub respond {
|
|
my $self = shift;
|
|
my (@messages) = @_;
|
|
while (my $msg = shift @messages) {
|
|
$self->write("$msg\r\n");
|
|
}
|
|
return;
|
|
}
|
|
|
|
sub fault {
|
|
my $self = shift;
|
|
my ($msg) = shift || "program fault - command not performed";
|
|
print STDERR "$0 [$$]: $msg ($!)\n";
|
|
return $self->respond("Error - " . $msg, "Enter command:");
|
|
}
|
|
|
|
sub _process_line {
|
|
my $self = shift;
|
|
my $line = shift;
|
|
|
|
$line =~ s/\r?\n//;
|
|
my ($cmd, @params) = split(/ +/, $line);
|
|
my $meth = lc($cmd);
|
|
if (my $lookup = $self->{commands}->{$meth} && $self->can($meth)) {
|
|
my $resp = eval {
|
|
$lookup->($self, @params);
|
|
};
|
|
if ($@) {
|
|
my $error = $@;
|
|
chomp($error);
|
|
$self->log(LOGERROR, "Command Error: $error");
|
|
return $self->fault("command '$cmd' failed unexpectedly");
|
|
}
|
|
return $resp . "\nEnter command:\n";
|
|
}
|
|
else {
|
|
# No such method - i.e. unrecognized command
|
|
return $self->fault("command '$cmd' unrecognised");
|
|
}
|
|
}
|
|
|
|
my %helptext = (
|
|
all => "Available Commands:\n\nSTATUS\nHELP [CMD]",
|
|
status => "STATUS - Returns status information about current connections",
|
|
);
|
|
|
|
sub help {
|
|
my $self = shift;
|
|
my ($subcmd) = @_;
|
|
|
|
$subcmd ||= 'all';
|
|
$subcmd = lc($subcmd);
|
|
|
|
my $txt = $helptext{$subcmd} || "Unrecognised help option. Try 'help all'";
|
|
warn "help returning: $txt\n";
|
|
return $txt . "\n";
|
|
}
|
|
|
|
sub status {
|
|
my $self = shift;
|
|
|
|
my $descriptors = Danga::Socket->DescriptorMap;
|
|
|
|
my $current_connections = 0;
|
|
my $current_dns = 0;
|
|
foreach my $fd (keys %$descriptors) {
|
|
my $pob = $descriptors->{$fd};
|
|
if ($pob->isa("Qpsmtpd::PollServer")) {
|
|
$current_connections++;
|
|
}
|
|
elsif ($pob->isa("Danga::DNS::Resolver")) {
|
|
$current_dns = $pob->pending;
|
|
}
|
|
}
|
|
|
|
return
|
|
" Current Connections: $current_connections
|
|
Current DNS Queries: $current_dns";
|
|
}
|
|
|
|
1;
|
|
__END__
|
|
|
|
=head1 NAME
|
|
|
|
Qpsmtpd::ConfigServer - a configuration server for qpsmtpd
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
When qpsmtpd runs in multiplex mode it also provides a config server that you
|
|
can connect to. This allows you to view current connection statistics and other
|
|
gumph that you probably don't care about.
|
|
|
|
=cut |