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#!/opt/perl/bin/perl
use strict;
use utf8;
use AnyEvent;
use AnyEvent::XMPP::Client;
use AnyEvent::XMPP::Util qw/simxml/;
use AnyEvent::XMPP::Ext::Disco;
my $j = AnyEvent->condvar;
my $cl = AnyEvent::XMPP::Client->new;
$cl->add_account ('net_xmpp2@jabber.org', 'test');
my $max_size = 100000;
my $first_size = $max_size;
my $last_nok_size = $max_size;
my $last_ok_size = 0;
my $delta = 10;
$cl->reg_cb (
session_ready => sub {
my ($cl, $acc) = @_;
my $con = $acc->connection;
if (($last_nok_size - $last_ok_size) < $delta) {
print "Found limit in delta range: $last_ok_size for ".$acc->jid."\n";
$con->disconnect ("found limit");
return 0;
}
$con->send_iq (set => sub {
my ($w) = @_;
simxml ($w,
defns => 'jabber:iq:private',
node => {
name => 'query',
ns => 'jabber:iq:private',
childs => [
{ name => "test", dns => "test:fe", childs => [ "A" x $first_size ] },
]
}
);
print "Trying $first_size...\n";
}, sub {
my ($n, $e) = @_;
if ($e) {
die "iq private error: " . $e->string . "\n";
} else {
$con->send_iq (get => sub {
my ($w) = @_;
simxml ($w,
defns => 'jabber:iq:private',
node => {
name => 'query',
ns => 'jabber:iq:private',
childs => [ { name => 'test', dns => 'test:fe' } ]
}
);
}, sub {
my ($n, $e) = @_;
if ($e) {
$con->disconnect ("bad iq reply");
} else {
my ($q) = $n->find_all ([qw/jabber:iq:private query/],
[qw/test:fe test/]);
my $len = length $q->text;
if ($len == $first_size) {
print "$len seems to be ok!\n";
$last_ok_size = $first_size;
$first_size = $last_ok_size + ($last_nok_size - $last_ok_size) / 2;
$first_size = int ($first_size);
$con->disconnect ("retry");
} else {
$con->disconnect ("too short iq reply");
}
}
});
}
}, timeout => 1000000);
1
},
stream_error => sub {
my ($cl, $acc, $err) = @_;
print "STREAM ERROR: [" . $err->string . "] at $first_size, retry...\n";
1
},
connect_error => sub {
my ($cl, $acc, $err) = @_;
print "Connect error ".$acc->jid.": $err\n";
1
},
disconnect => sub {
my ($cl, $acc, $host, $port, $msg) = @_;
if ($msg eq 'found limit') { $j->broadcast }
elsif ($msg ne 'retry') {
$last_nok_size = $first_size;
$first_size = $last_ok_size + ($last_nok_size - $last_ok_size) / 2;
$first_size = int ($first_size);
print "disconnect got ($msg), retry with $first_size\n";
}
$cl->update_connections; # reconnect !
1
},
message => sub {
my ($cl, $acc, $msg) = @_;
print "message from: " . $msg->from . ": " . $msg->any_body . "\n";
1
}
);
$cl->start;
$j->wait;
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