Class: Circus::Agents::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/circus/agents/client.rb

Overview

Client for XMPP based agents.

Direct Known Subclasses

BoothClient, ClownClient, ResourceAllocatorClient

Instance Method Summary collapse

Constructor Details

#initialize(connection) ⇒ Client

Returns a new instance of Client.



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# File 'lib/circus/agents/client.rb', line 8

def initialize(connection)
  @connection = connection
end

Instance Method Details

#call(to, name, params = {}, &block) ⇒ Object 



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# File 'lib/circus/agents/client.rb', line 12

def call(to, name, params = {}, &block)
  body = if params.length > 0
      "#{name} #{Encoding.encode(params)}"
    else
      name
    end
  msg = Blather::Stanza::Message.new to, body
  msg.id = Blather::Stanza.next_id
  msg.thread = msg.id
  
  promise = Promise.new
  last = nil
  @connection.register_thread_handler(msg.thread) do |m|
    block.call(m)

    begin
      if Conversation.ended? m
        result = nil
        if last and last.body and last.body.start_with? 'ok '
          result = Encoding.decode(last.body[('ok '.length)..-1])
        end
      
        promise.completed!(result)
      else
        last = m
      end
    rescue
      puts $!, $@
    end
  end
  @connection.write(msg)

  promise
end