Class: EZMQ::Publisher

Inherits:
Socket
  • Object
show all
Defined in:
lib/ezmq/publish.rb

Overview

Publish socket that broadcasts messages with an optional topic.

Instance Attribute Summary

Attributes inherited from Socket

#context, #decode, #encode, #socket

Instance Method Summary (collapse)

Methods inherited from Socket

#bind, #connect, #listen, #receive

Constructor Details

- (Publisher) initialize(**options)

Creates a new Publisher socket.

Parameters:

  • options (Hash) —

    optional parameters.

See Also:



14
15
16
 
# File 'lib/ezmq/publish.rb', line 14

def initialize(**options)
  super :bind, ZMQ::PUB, options
end

Instance Method Details

- (Fixnum) send(message = '', topic: '', **options)

Sends a message on the socket, with an optional topic.

Parameters:

  • message (String) (defaults to: '') —

    the message to send.

  • topic (String) —

    an optional topic for the message.

  • options (Hash) —

    optional parameters.

Options Hash (**options):

  • encode (lambda) —

    how to encode the message.

Returns:

  • (Fixnum) —

    the size of the message.



27
28
29
 
# File 'lib/ezmq/publish.rb', line 27

def send(message = '', topic: '', **options)
  @socket.send_string "#{ topic } #{ (options[:encode] || @encode).call message }"
end