Class: Droonga::Command::SerfEventHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/droonga/command/serf_event_handler.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SerfEventHandler

Returns a new instance of SerfEventHandler.



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# File 'lib/droonga/command/serf_event_handler.rb', line 30

def initialize
  @payload = nil
end

Class Method Details

.run ⇒ Object 



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# File 'lib/droonga/command/serf_event_handler.rb', line 25

def run
  new.run
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/droonga/command/serf_event_handler.rb', line 34

def run
  command_class = detect_command_class
  return true if command_class.nil?

  serf_name = ENV["SERF_SELF_NAME"]
  command = command_class.new(serf_name, @payload)
  begin
    command.process if command.should_process?
  rescue Exception => exception
    command.log("Exception: #{exception.inspect}, #{exception.message}, #{exception.backtrace.join(", ")}")
    raise exception
  ensure
    output_response(command.response)
  end
  true
rescue Exception => exception
  #XXX Any exception blocks following serf operations.
  #    To keep it working, I rescue any exception for now.
  begin
    FileUtils.mkdir_p(Path.serf_event_handler_errors)
    File.open(Path.serf_event_handler_error_file, "w") do |file|
      file.write(exception.inspect)
      file.write(exception.backtrace)
    end
  rescue Errno::EACCES => permission_denied_exception
  end
  puts exception.inspect
  puts exception.backtrace
  true
end