Class: Zabbirc::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/zabbirc/service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Service

Returns a new instance of Service.



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# File 'lib/zabbirc/service.rb', line 9

def initialize
  @semaphores_mutex = Mutex.new
  @semaphores       = Hash.new { |h, k| h[k] = Mutex.new }
  @ops = OpList.new
  @running = false

  initialize_bot

  @ops_service = Services::Ops.new self, @cinch_bot
  @events_service = Services::Events.new self, @cinch_bot
end

Instance Attribute Details

#cinch_bot ⇒ Object (readonly)

Returns the value of attribute cinch_bot.



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# File 'lib/zabbirc/service.rb', line 5

def cinch_bot
  @cinch_bot
end

#ops ⇒ Object (readonly)

Returns the value of attribute ops.



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# File 'lib/zabbirc/service.rb', line 6

def ops
  @ops
end

#ops_service ⇒ Object (readonly)

Returns the value of attribute ops_service.



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# File 'lib/zabbirc/service.rb', line 6

def ops_service
  @ops_service
end

#running ⇒ Object (readonly)

Returns the value of attribute running.



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# File 'lib/zabbirc/service.rb', line 7

def running
  @running
end

Instance Method Details

#initialize_bot ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 21

def initialize_bot
  @cinch_bot = Cinch::Bot.new do
    configure do |c|
      c.server = Zabbirc.config.irc_server
      c.channels = Zabbirc.config.irc_channels
      c.nick = "zabbirc"
      c.plugins.plugins = [Irc::Plugin]
    end
  end

  # Stores reference to this Zabbirc::Service to be available in plugins
  @cinch_bot.instance_variable_set :@zabbirc_service, self
  @cinch_bot.class_eval do
    attr_reader :zabbirc_service
  end
end

#join ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 99

def join
  @cinch_bot_thread.join
end

#pre_start_script ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 88

def pre_start_script
  @ops_service.sync_ops
  @ops.load_settings
rescue => e
  Zabbirc.logger.error "Exception `#{e}` while running pre_start_script"
end

#pre_stop_script ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 82

def pre_stop_script
  @ops.dump_settings
rescue => e
  Zabbirc.logger.error "Exception `#{e}` while running pre_stop_script"
end

#start(join = true) ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 45

def start join=true
  return if @running
  @running = true

  pre_start_script

  @cinch_bot_thread = Thread.new do
    begin
      @cinch_bot.start
    rescue => e
      Zabbirc.logger.fatal "Cinch bot start error: #{e}"
    end
  end

  @controll_thread = Thread.new do
    begin
      sleep
    rescue StopError
      pre_stop_script
      @ops_service.stop
      @events_service.stop

      Zabbirc.logger.info "Stopping ops service: #{@ops_service.join}"
      Zabbirc.logger.info "Stopping events service: #{@events_service.join}"

      @cinch_bot.quit
    ensure
      @running = false
    end
  end

  @ops_service.start
  @events_service.start

  @cinch_bot_thread.join if join
end

#stop ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 95

def stop
  @controll_thread.raise StopError
end

#synchronize(name, &block) ⇒ Object 



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# File 'lib/zabbirc/service.rb', line 38

def synchronize(name, &block)
  # Must run the default block +/ fetch in a thread safe way in order to
  # ensure we always get the same mutex for a given name.
  semaphore = @semaphores_mutex.synchronize { @semaphores[name] }
  semaphore.synchronize(&block)
end