Class: DNS::Server::Dispatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/faildns/server/dispatcher.rb,
lib/faildns/server/dispatcher/event.rb,
lib/faildns/server/dispatcher/socket.rb,
lib/faildns/server/dispatcher/eventdispatcher.rb,
lib/faildns/server/dispatcher/connectiondispatcher.rb

Defined Under Namespace

Classes: ConnectionDispatcher, Event, EventDispatcher

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server) ⇒ Dispatcher

Returns a new instance of Dispatcher.



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# File 'lib/faildns/server/dispatcher.rb', line 30

def initialize (server)
  @server = server

  @connection = ConnectionDispatcher.new(self)
  @event      = EventDispatcher.new(self)

  @intervals = {}
  @timeouts  = {}
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/faildns/server/dispatcher.rb', line 28

def connection
  @connection
end

#event ⇒ Object (readonly)

Returns the value of attribute event.



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# File 'lib/faildns/server/dispatcher.rb', line 28

def event
  @event
end

#server ⇒ Object (readonly)

Returns the value of attribute server.



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# File 'lib/faildns/server/dispatcher.rb', line 28

def server
  @server
end

Instance Method Details

#alias(*args) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 162

def alias (*args)
  @event.alias(*args)
end

#clearInterval(interval) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 142

def clearInterval (interval)
  @intervals.delete(interval[:fiber])
end

#clearTimeout(timeout) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 129

def clearTimeout (timeout)
  @timeouts.delete(timeout[:fiber])
end

#connections ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 146

def connections
  @connection.connections
end

#disconnecting ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 158

def disconnecting
  @connection.disconnecting
end

#dispatch(*args) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 170

def dispatch (*args)
  @event.dispatch(*args)
end

#execute(*args) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 174

def execute (*args)
  @event.execute(*args)
end

#input ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 150

def input
  @connection.input
end

#loop ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 70

def loop
  while true
    @defaults.each {|fiber|
      begin
        fiber.resume
      rescue FiberError
        DNS.debug 'Something went deeply wrong in the dispatcher, aborting.'
        Process::exit 23
      rescue Exception => e
        DNS.debug e
      end
    }

    @intervals.each {|fiber, meta|
      begin
        if !@intervals[fiber]
          raise FiberError
        end

        if meta[:at] <= Time.now
          fiber.resume

          meta[:at] += meta[:offset]
        end
      rescue FiberError
        clearInterval meta
      rescue Exception => e
        DNS.debug e
      end
    }

    @timeouts.each {|fiber, meta|
      begin
        if !@timeouts[fiber]
          raise FiberError
        end

        if meta[:at] <= Time.now
          fiber.resume

          clearTimeout meta
        end
      rescue FiberError
        clearTimeout meta
      rescue Exception => e
        DNS.debug e
      end
    }
  end
end

#output ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 154

def output
  @connection.output
end

#register(*args) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 166

def register (*args)
  @event.register(*args)
end

#setInterval(fiber, time) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 133

def setInterval (fiber, time)
  @intervals[fiber] = {
    :fiber  => fiber,
    :offset => time,
    :at   => Time.now + time,
    :on   => Time.now,
  }
end

#setTimeout(fiber, time) ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 121

def setTimeout (fiber, time)
  @timeouts[fiber] = {
    :fiber => fiber,
    :at  => Time.now + time,
    :on  => Time.now,
  }
end

#start ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 40

def start
  @connection.start

  @started = true

  @defaults = [Fiber.new {
    while true
      @connection.read

      Fiber.yield
    end
  }]

  self.loop
end

#stop ⇒ Object 



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# File 'lib/faildns/server/dispatcher.rb', line 56

def stop
  if !@started
    return
  end

  @started  = false
  @stopping = true

  @event.finalize
  @connection.finalize

  @stopping = false
end