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AnyEvent::XMPP::Ext::Ping(3pm) User Contributed Perl Documentation AnyEvent::XMPP::Ext::Ping(3pm) NAME
AnyEvent::XMPP::Ext::Ping - Implementation of XMPP Ping XEP-0199 SYNOPSIS
use AnyEvent::XMPP::Ext::Ping; my $con = AnyEvent::XMPP::IM::Connection->new (...); $con->add_extension (my $ping = AnyEvent::XMPP::Ext::Ping->new); # this enables auto-timeout of a connection if it didn't answer # within 120 seconds to a ping with a reply $ping->enable_timeout ($con, 120); my $cl = AnyEvent::XMPP::Client->new (...); $cl->add_extension (my $ping = AnyEvent::XMPP::Ext::Ping->new); # this enables auto-timeout of newly created connections $ping->auto_timeout(120); $ping->ping ($con, 'ping_dest@server.tld', sub { my ($time, $error) = @_; if ($error) { # we got an error } # $time is a float (seconds) of the rtt if you got Time::HiRes }); DESCRIPTION
This extension implements XEP-0199: XMPP Ping. It allows you to define a automatic ping timeouter that will disconnect dead connections (which didn't reply to a ping after N seconds). See also the documentation of the "enable_timeout" method below. It also allows you to send pings to any XMPP entity you like and will measure the time it took if you got Time::HiRes. METHODS
new (%args) Creates a new ping handle. auto_timeout ($timeout) This method enables automatic connection timeout of new connections. It calls "enable_timeout" (see below) for every new connection that was connected and emitted a "stream_ready" event. This is useful if you want connections that have this extension automatically timeouted. In particular this is useful with modules like AnyEvent::XMPP::Client (see also SYNOPSIS above). enable_timeout ($con, $timeout) This enables a periodical ping on the connection $con. $timeout must be the seconds that the ping intervals last. If the server which is connected via $con didn't respond within $timeout seconds the connection $con will be disconnected. Please note that there already is a basic timeout mechanism for dead TCP connections in AnyEvent::XMPP::Connection, see also the "whitespace_ping_interval" configuration variable for a connection there. It then will depend on TCP timeouts to disconnect the connection. Use "enable_timeout" and "auto_timeout" only if you really feel like you need an explicit timeout for your connections. ping ($con, $dest, $cb, $timeout) This method sends a ping request to $dest via the AnyEvent::XMPP::Connection in $con. If $dest is undefined the ping will be sent to the connected server. $cb will be called when either the ping timeouts, an error occurs or the ping result was received. $timeout is an optional timeout for the ping request, if $timeout is not given the default IQ timeout for the connection is the relevant timeout. The first argument to $cb will be the seconds of the round trip time for that request (If you have Time::HiRes). If you don't have Time::HiRes installed the first argument will be undef. The second argument to $cb will be either undef if no error occured or a AnyEvent::XMPP::Error::IQ error object. ignore_pings ($bool) This method is mostly for testing, it tells this extension to ignore all ping requests and will prevent any response from being sent. AUTHOR
Robin Redeker, "<elmex at ta-sa.org>", JID: "<elmex at jabber.org>" COPYRIGHT &; LICENSE Copyright 2007, 2008 Robin Redeker, all rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2012-01-23 AnyEvent::XMPP::Ext::Ping(3pm)
