Method: Cuboid::Processes::Instances#spawn

Defined in:
lib/cuboid/processes/instances.rb

#spawn(options = {}, &block) ⇒ RPC::Client::Instance, Integer

Spawns an RPC::Server::Instance process.



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# File 'lib/cuboid/processes/instances.rb', line 63

def spawn( options = {}, &block )
    options = options.dup
    token = options.delete(:token) || Utilities.generate_token
    fork  = options.delete(:fork)

    port_range = options.delete( :port_range )

    options[:ssl] ||= {
      server: {},
      client: {}
    }

    options = {
        rpc:    {
            server_socket:  options[:socket],
            server_port:    options[:port]    || Utilities.available_port( port_range ),
            server_address: options[:address] || '127.0.0.1',

            ssl_ca:                 options[:ssl][:ca],
            server_ssl_private_key: options[:ssl][:server][:private_key],
            server_ssl_certificate: options[:ssl][:server][:certificate],
            client_ssl_private_key: options[:ssl][:client][:private_key],
            client_ssl_certificate: options[:ssl][:client][:certificate],
        },
        paths: {
            application: options[:application]  || Options.paths.application
        }
    }

    url = nil
    if options[:rpc][:server_socket]
        url = options[:rpc][:server_socket]

        options[:rpc].delete :server_address
        options[:rpc].delete :server_port
    else
        url = "#{options[:rpc][:server_address]}:#{options[:rpc][:server_port]}"
    end

    pid = Manager.spawn( :instance, options: options, token: token, fork: fork )

    System.slots.use pid

    client = connect( url, token )
    client.pid = pid

    if block_given?
        client.when_ready do
            block.call client
        end
    else
        while sleep( 0.1 )
            begin
                client.alive?
                break
            rescue => e
                # ap "#{e.class}: #{e}"
                # ap e.backtrace
            end
        end

        client
    end
end