Class: Rapns::Daemon::AppRunner

Inherits:
Object
  • Object
show all
Defined in:
lib/rapns/daemon/app_runner.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ AppRunner

Returns a new instance of AppRunner.



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# File 'lib/rapns/daemon/app_runner.rb', line 64

def initialize(app)
  @app = app
end

Class Attribute Details

.runners ⇒ Object (readonly)

Returns the value of attribute runners.



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# File 'lib/rapns/daemon/app_runner.rb', line 5

def runners
  @runners
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/rapns/daemon/app_runner.rb', line 62

def app
  @app
end

Class Method Details

.debug ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 50

def self.debug
  runners.values.map(&:debug)
end

.enqueue(notification) ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 10

def self.enqueue(notification)
  if app = runners[notification.app_id]
    app.enqueue(notification)
  else
    Rapns.logger.error("No such app '#{notification.app_id}' for notification #{notification.id}.")
  end
end

.idle ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 54

def self.idle
  runners.values.select(&:idle?)
end

.new_runner(app) ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 40

def self.new_runner(app)
  type = app.class.parent.name.demodulize
  "Rapns::Daemon::#{type}::AppRunner".constantize.new(app)
end

.stop ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 45

def self.stop
  runners.values.map(&:stop)
  runners.clear
end

.sync ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 18

def self.sync
  apps = Rapns::App.all
  apps.each { |app| sync_app(app) }
  removed = runners.keys - apps.map(&:id)
  removed.each { |app_id| runners.delete(app_id).stop }
end

.sync_app(app) ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 25

def self.sync_app(app)
  if runners[app.id]
    runners[app.id].sync(app)
  else
    runner = new_runner(app)
    begin
      runner.start
      runners[app.id] = runner
    rescue StandardError => e
      Rapns.logger.error("[#{app.name}] Exception raised during startup. Notifications will not be delivered for this app.")
      Rapns.logger.error(e)
    end
  end
end

.wait ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 58

def self.wait
  sleep 0.1 while !runners.values.all?(&:idle?)
end

Instance Method Details

#debug ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 111

def debug
  Rapns.logger.info <<-EOS

#{@app.name}:
  handlers: #{num_handlers}
  queued: #{queue_size}
  idle: #{idle?}
  EOS
end

#decrement_handlers ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 103

def decrement_handlers
  handlers.pop.stop
end

#enqueue(notification) ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 86

def enqueue(notification)
  queue.push(notification)
end

#idle? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rapns/daemon/app_runner.rb', line 121

def idle?
  queue.notifications_processed?
end

#increment_handlers ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 107

def increment_handlers
  handlers << start_handler
end

#num_handlers ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 129

def num_handlers
  handlers.size
end

#queue_size ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 125

def queue_size
  queue.size
end

#start ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 74

def start
  app.connections.times { handlers << start_handler }
  started
  Rapns.logger.info("[#{app.name}] Started, #{handlers_str}.")
end

#started ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 68

def started
end

#stop ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 80

def stop
  handlers.map(&:stop)
  stopped
  handlers.clear
end

#stopped ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 71

def stopped
end

#sync(app) ⇒ Object 



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# File 'lib/rapns/daemon/app_runner.rb', line 90

def sync(app)
  @app = app
  diff = handlers.size - app.connections
  return if diff == 0
  if diff > 0
    diff.times { decrement_handlers }
    Rapns.logger.info("[#{app.name}] Stopped #{handlers_str(diff)}. #{handlers_str} remaining.")
  else
    diff.abs.times { increment_handlers }
    Rapns.logger.info("[#{app.name}] Started #{handlers_str(diff)}. #{handlers_str} remaining.")
  end
end