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Daisuke Maki

NAME

ZMQ - Perl-ish Interface libzmq

SYNOPSIS

    use ZMQ;
    use ZMQ::Constants qw(ZMQ_PUB);

    my $cxt = ZMQ::Context->new(5);
    my $sock = $cxt->socket( ZMQ_PUB );
    $sock->bind( "tcp://192.168.11.5:9999" );

    if ( $ZMQ::BACKEND eq 'ZMQ::LibZMQ2' ) {
        $sock->send( ZMQ::Message->new( "Hello" ) );
    } elsif ( $ZMQ::BACKEND eq 'ZMQ::LibZMQ3' ) {
        $sock->sendmsg( ZMQ::Message->new( "Hello" ) );
    }

DESCRIPTION

ZMQ is a Perl-ish wrapper for libzmq. It uses ZMQ::LibZMQ2 or ZMQ::LibZMQ3 (ZMQ::LibZMQ2 is the default) as the actual backend.

If you want a one-to-one direct mapping to libzmq, then you should be using ZMQ::LibZMQ2 or ZMQ::LibZMQ3 directly

ZMQ will automatically choose the backend (either ZMQ::LibZMQ2 or ZMQ::LibZMQ3) to use. This can be explicitly specified by setting PERL_ZMQ_BACKEND environment variable.

By default ZMQ::LibZMQ2 will be used as the backend. This may change in future versions, so make sure to explicitly set your backend if you don't want it to change:

    BEGIN {
        $ENV{ PERL_ZMQ_BACKEND } = 'ZMQ::LibZMQ2';
    }
    use ZMQ;

If you think your code will be used from another program that also uses libzmq, you might want to consider using the ZMQ::LibZMQ* modules. This is because you can't write "truly" portable code using this high level interface (libzmq's API change rather drastically between versions). Personally, I'd recommend only using this module for your one-shot scripts, and use ZMQ::LibZMQ* for all other uses. YMMV.

FUNCTIONS

ZMQ::call( $funcname, @args )

Calls $funcname via whichever backend loaded by ZMQ.pm. For example if ZMQ::LibZMQ2 is loaded:

    use ZMQ;

    my $version = ZMQ::call( "zmq_version" ); # calls ZMQ::LibZMQ2::zmq_version

If @args is passed, they are passed directly to the target function.

SEE ALSO

http://zeromq.org

http://github.com/lestrrat/p5-ZMQ

ZMQ::Context, ZMQ::Message, ZMQ::Socket, ZMQ::Poller

AUTHOR

Daisuke Maki <daisuke@endeworks.jp>

COPYRIGHT AND LICENSE

The ZMQ module is

Copyright (C) 2012 by Daisuke Maki

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.0 or, at your option, any later version of Perl 5 you may have available.




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