Class: CampfireBot::Bot

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/bot.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Bot

Returns a new instance of Bot.



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# File 'lib/bot.rb', line 25

def initialize
  if BOT_ENVIRONMENT.nil?
    puts "you must specify a BOT_ENVIRONMENT"
    exit 1
  end
  @timeouts = 0
  @config   = YAML::load(ERB.new(File.read("#{BOT_ROOT}/config.yml")).result)[BOT_ENVIRONMENT]
  @rooms    = {}
  @root_logger = Logging.logger["CampfireBot"]
  @log = Logging.logger[self]

  log_dir = @config['log_dir']
  Dir.mkdir(log_dir) unless Dir.exists? log_dir

  # TODO much of this should be configurable per environment
  @root_logger.add_appenders Logging.appenders.rolling_file("#{log_dir}/#{BOT_ENVIRONMENT}.log", 
                        :layout => Logging.layouts.pattern(:pattern => "%d | %-6l | %-12c | %m\n"),
                        :age => 'daily', 
                        :keep => 7)
  @root_logger.level = @config['log_level'] rescue :info
end

Instance Attribute Details

#campfire ⇒ Object (readonly)

FIXME - these will be invalid if disconnected. handle this.



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# File 'lib/bot.rb', line 23

def campfire
  @campfire
end

#config ⇒ Object (readonly)

FIXME - these will be invalid if disconnected. handle this.



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# File 'lib/bot.rb', line 23

def config
  @config
end

#log ⇒ Object (readonly)

FIXME - these will be invalid if disconnected. handle this.



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# File 'lib/bot.rb', line 23

def log
  @log
end

#rooms ⇒ Object (readonly)

FIXME - these will be invalid if disconnected. handle this.



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# File 'lib/bot.rb', line 23

def rooms
  @rooms
end

Instance Method Details

#connect ⇒ Object 



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# File 'lib/bot.rb', line 47

def connect
  load_plugins unless !@config['enable_plugins']
  begin
    join_rooms
  rescue Errno::ENETUNREACH, SocketError => e
    @log.fatal "We had trouble connecting to the network: #{e.class}: #{e.message}"
    abort "We had trouble connecting to the network: #{e.class}: #{e.message}"
  rescue Exception => e
    @log.fatal "Unhandled exception while joining rooms: #{e.class}: #{e.message} \n #{$!.backtrace.join("\n")}"
    abort "Unhandled exception while joining rooms: #{e.class}: #{e.message} \n #{$!.backtrace.join("\n")}"
  end  
end

#run(interval = 5) ⇒ Object 



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# File 'lib/bot.rb', line 60

def run(interval = 5)
  catch(:stop_listening) do
    trap('INT') { throw :stop_listening }
    trap('TERM') { throw :stop_listening }

    # since room#listen blocks, stick it in its own thread
    @rooms.each_pair do |room_name, room|
      Thread.new do
        begin
          room.listen(:timeout => 8) do |raw_msg|
            handle_message(CampfireBot::Message.new(raw_msg.merge({:room => room})))
          end
        rescue Exception => e 
          trace = e.backtrace.join("\n")
          abort "something went wrong! #{e.message}\n #{trace}"
        end
      end
    end

    loop do
      begin
        @rooms.each_pair do |room_name, room|

          # I assume if we reach here, all the network-related activity has occured successfully
          # and that we're outside of the retry-cycle
          @timeouts = 0

          # Here's how I want it to look
          # @room.listen.each { |m| EventHandler.handle_message(m) }
          # EventHanlder.handle_time(optional_arg = Time.now)

          # Run time-oriented events
          Plugin.registered_intervals.each  do |handler| 
            begin
              handler.run(CampfireBot::Message.new(:room => room))
            rescue
              @log.error "error running #{handler.inspect}: #{$!.class}: #{$!.message} \n #{$!.backtrace.join("\n")}"
            end
          end

          Plugin.registered_times.each_with_index  do |handler, index| 
            begin
              Plugin.registered_times.delete_at(index) if handler.run
            rescue
              @log.error "error running #{handler.inspect}: #{$!.class}: #{$!.message}, \n #{$!.backtrace.join("\n")}"
            end
          end

        end
        STDOUT.flush
        sleep interval
      rescue Timeout::Error => e
        if @timeouts < 5
          sleep(5 * @timeouts)
          @timeouts += 1
          retry
        else
          raise e.message
        end
      end
    end
  end

  # Leave the room so users won't be under the false impression that the bot is still running.
  @rooms.each_value.map(&:leave)
end