Module: OMQ::QoS::LifecycleExt

Defined in:
lib/omq/qos/lifecycle_ext.rb

Overview

Prepended onto OMQ::Engine::ConnectionLifecycle so that the Protocol::ZMTP::Connection is built with this socket's QoS metadata, and the peer's QoS properties are validated after the handshake.

Instance Method Summary collapse

Instance Method Details

#handshake!(io, as_server:) ⇒ Object 



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# File 'lib/omq/qos/lifecycle_ext.rb', line 11

def handshake!(io, as_server:)
  transition!(:handshaking)
  conn_class =
    if @transport.respond_to?(:connection_class)
      @transport.connection_class
    else
      Protocol::ZMTP::Connection
    end
  conn = conn_class.new io,
    socket_type:      @engine.socket_type.to_s,
    identity:         @engine.options.identity,
    as_server:        as_server,
    mechanism:        @engine.options.mechanism&.dup,
    max_message_size: @engine.options.max_message_size,
    **QoS.handshake_metadata(@engine.options)

  Async::Task.current.with_timeout(handshake_timeout) do
    conn.handshake!
  end

  QoS.validate_handshake!(@engine.options, conn)

  OMQ::Engine::Heartbeat.start(@barrier, conn, @engine.options)
  ready!(conn)
  @conn
rescue Protocol::ZMTP::Error, *OMQ::CONNECTION_LOST, Async::TimeoutError => error
  @engine.emit_monitor_event :handshake_failed,
    endpoint: @endpoint, detail: { error: error }

  conn&.close

  tear_down!(reconnect: true)
  raise
end