nn_pubsub(7)
============

NAME
----
nn_pubsub - publish/subscribe scalability protocol


SYNOPSIS
--------
*#include <nanomsg/nn.h>*

*#include <nanomsg/pubsub.h>*


DESCRIPTION
-----------
Broadcasts messages to multiple destinations.

Socket Types
~~~~~~~~~~~~

NN_PUB::
    This socket is used to distribute messages to multiple destinations.
    Receive operation is not defined.
NN_SUB::
    Receives messages from the publisher. Only messages that the socket is
    subscribed to are received. When the socket is created there are no
    subscriptions and thus no messages will be received. Send operation is
    not defined on this socket.

Socket Options
~~~~~~~~~~~~~~

NN_SUB_SUBSCRIBE::
    Defined on full SUB socket. Subscribes for a particular topic. Type of the
    option is string.
NN_SUB_UNSUBSCRIBE::
    Defined on full SUB socket. Unsubscribes from a particular topic. Type of
    the option is string.


SEE ALSO
--------
linknanomsg:nn_bus[7]
linknanomsg:nn_reqrep[7]
linknanomsg:nn_pipeline[7]
linknanomsg:nn_survey[7]
linknanomsg:nn_pair[7]
linknanomsg:nanomsg[7]

AUTHORS
-------
Martin Sustrik <sustrik@250bpm.com>