#!/usr/bin/env perl use strict; use warnings; use AnyEvent::Impl::Perl; use AE; use AnyEvent::HTTP::Server; AnyEvent::HTTP::Server->new( host => '0.0.0.0', port => 3000, pid => '/tmp/wsecho.pid', request => sub { my $r = shift; $r->upgrade( websocket => sub { my $ws = shift; $ws->onmessage(sub { $ws->send(@_) }); } ); return 1; } )->start; AE::cv->recv;