Class: Tem::MultiProxy::Client

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

Overview

RPC client for a tem_multi_proxy server.

The client supports the RPC server’s interface for obtaining administrative information about the cards connected to it. To communicate with the smart-cards, use the transports in the smartcard gem (see the Smartcard::Iso namespace).

Constant Summary collapse

Protocol = 
Zerg::Support::Protocols::ObjectProtocol
Adapter = 
Zerg::Support::Sockets::ProtocolAdapter.adapter_module Protocol
SocketFactory = 
Zerg::Support::SocketFactory
JcopRemoteTransport = 
Smartcard::Iso::JcopRemoteTransport

Class Method Summary collapse

Class Method Details

.query_tems(server_addr = 'localhost') ⇒ Object

Queries a multi_proxy for its TEMs, and returns them as transport configurations suitable for Tem::Tem#new.



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/tem_multi_proxy/client.rb', line 25

def self.query_tems(server_addr = 'localhost')
  @client_socket = SocketFactory.socket :out_addr => server_addr,
                                        :out_port => Server::DEFAULT_PORT,
                                        :no_delay => true
  return nil unless @client_socket
  
  @client_socket.extend Adapter
  @client_socket.send_object :query => 'tem_ports'
  tem_ports = @client_socket.recv_object
  @client_socket.close
  
  return nil unless tem_ports
  server_host = SocketFactory.host_from_address server_addr
  tem_ports.map do |port|
    { :class => JcopRemoteTransport,
      :opts => { :host => server_host, :port => port } }
  end
end