NAME
AnyEvent::Handle::ZeroMQ::Dealer - use AnyEvent::Handle::ZeroMQ as concurrent request-reply pattern
SYNOPSIS
    use AnyEvent::Handle::ZeroMQ::Dealer;
    use AE;
    use ZeroMQ;
    my $ctx = ZeroMQ::Context->new;
    my $socket = $ctx->socket(ZMQ_XREQ);
    $socket->bind('tcp://0:8888');
    my $hdl = AnyEvent::Handle::ZeroMQ::Dealer->new(
	socket => $socket,
	on_drain => sub { print "the write queue is empty\n" },
    );
    # or $hdl->on_drain( sub { ... } );
    my @request = ...;
    $hdl->push_write( \@request, sub {
	my($hdl, $reply) = @_;
	...
    } );
    AE::cv->recv;
METHODS
new( socket => ..., on_drain => ... )
Get an AnyEvent::Handle::ZeroMQ::Dealer instance
push_write( request_data(array_ref), cb(hdl, reply_data(array_ref) )
push_read
Don't use this.