Class: NexusSW::LXD::Transport::Mixins::Rest::WSController

Inherits:
Object
  • Object
show all
Defined in:
lib/nexussw/lxd/transport/mixins/rest.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ws_options, baseurl, endpoints, &block) ⇒ WSController

Returns a new instance of WSController.



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 145

def initialize(ws_options, baseurl, endpoints, &block)
  @waitlist = {}
  @callback = block if block_given?
  waitlist[:control] = NIO::WebSocket.connect(baseurl + endpoints[:control], ws_options) do |driver|
    driver.on :io_error do # usually I get an EOF
      @closed = true
      # waitlist.each { |_, v| v.close if v.respond_to? :close }
      waitlist[:'0'].close
    end
    driver.on :close do # but on occasion I get a legit close
      @closed = true
      # waitlist.each { |_, v| v.close if v.respond_to? :close }
      waitlist[:'0'].close
    end
  end
  if endpoints[:'2']
    waitlist[:'2'] = NIO::WebSocket.connect(baseurl + endpoints[:'2'], ws_options) do |driver|
      driver.on :message do |ev|
        data = ev.data.is_a?(String) ? ev.data : ev.data.pack("U*")
        callback.call nil, data
      end
    end
  end
  if endpoints[:'1']
    waitlist[:'1'] = NIO::WebSocket.connect(baseurl + endpoints[:'1'], ws_options) do |driver|
      driver.on :message do |ev|
        data = ev.data.is_a?(String) ? ev.data : ev.data.pack("U*")
        callback.call data
      end
    end
  end
  waitlist[:'0'] = NIO::WebSocket.connect(baseurl + endpoints[:'0'], ws_options) do |driver|
    driver.on :message do |ev|
      data = ev.data.is_a?(String) ? ev.data : ev.data.pack("U*")
      callback.call data
    end
  end
  @closed = false
end

Instance Attribute Details

#callback ⇒ Object

Returns the value of attribute callback.



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 186

def callback
  @callback
end

#waitlist ⇒ Object (readonly)

Returns the value of attribute waitlist.



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 185

def waitlist
  @waitlist
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 188

def alive?
  !@closed
end

#exit ⇒ Object 



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 192

def exit
  waitlist.each do |_fd, driver|
    driver.close
  end
end

#join ⇒ Object 



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 198

def join
  loop do
    allclosed = true
    waitlist.each do |_fd, driver|
      allclosed = false unless driver.state == :closed
    end
    break if allclosed
    Thread.pass
    sleep 0.1
  end
end

#signal(signum) ⇒ Object 



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 214

def signal(signum)
  send_control_msg "signal", signum
end

#window_resize(width, height) ⇒ Object 



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# File 'lib/nexussw/lxd/transport/mixins/rest.rb', line 210

def window_resize(width, height)
  send_control_msg "window-resize", width: width.to_s, height: height.to_s
end