Class: Async::Background::Queue::SocketWaker

Inherits:
Object
  • Object
show all
Defined in:
lib/async/background/queue/socket_waker.rb

Constant Summary collapse

CLOSE_GRACE = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ SocketWaker

Returns a new instance of SocketWaker.



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# File 'lib/async/background/queue/socket_waker.rb', line 15

def initialize(path)
  @path = path
  @server = nil
  @notification = Runtime::Notification.new
  @running = false
  @accept_task = nil
  @clients = Runtime::TaskGroup.new
  @sockets = {}
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/async/background/queue/socket_waker.rb', line 13

def path
  @path
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/async/background/queue/socket_waker.rb', line 48

def close
  return unless @running || @server

  @running = false
  stop_accept_loop
  @notification.signal_all
  hang_up_clients
  stop_clients

  @server&.close rescue nil
  @server = nil
  @accept_task = nil
  File.unlink(@path) rescue nil
end

#open! ⇒ Object 



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# File 'lib/async/background/queue/socket_waker.rb', line 25

def open!
  ensure_directory
  cleanup_stale_socket
  @server = UNIXServer.new(@path)
  @running = true
  self
rescue Errno::EADDRINUSE
  raise "Socket #{@path} is already in use by another process"
end

#signal ⇒ Object 



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# File 'lib/async/background/queue/socket_waker.rb', line 43

def signal
  @notification.signal_all
  true
end

#start_accept_loop(_parent_task = nil) ⇒ Object 



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# File 'lib/async/background/queue/socket_waker.rb', line 35

def start_accept_loop(_parent_task = nil)
  @accept_task = Runtime.spawn(name: 'socket-waker-accept') { accept_loop }
end

#wait(timeout: nil) ⇒ Object 



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# File 'lib/async/background/queue/socket_waker.rb', line 39

def wait(timeout: nil)
  @notification.wait(timeout)
end