Module: Documentalist::OpenOffice::Server

Defined in:
lib/backends/open_office.rb

Class Method Summary collapse

Class Method Details

.ensure_available ⇒ Object

Make sure there will be an available instance



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# File 'lib/backends/open_office.rb', line 118

def self.ensure_available
  start! unless running?
  restart! if stalled?
end

.kill! ⇒ Object

Kill running instance



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# File 'lib/backends/open_office.rb', line 92

def self.kill!
  raise "Not running!" unless running?

  begin
    Documentalist.timeout(3) do
      while(running?)
        system("pkill -9 office")
      end
    end
  rescue Timeout::Error
    raise "Mayday, mayday ! Could not kill OpenOffice !!"
  ensure
    # Remove user profile
    system("rm -rf ~/openoffice.org*")
  end
end

.pids ⇒ Object

Get OO processes pids



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# File 'lib/backends/open_office.rb', line 124

def self.pids
  `pgrep soffice`.split.map(&:to_i) unless `pgrep soffice`.empty?
end

.restart! ⇒ Object

Restart if running or start new instance



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# File 'lib/backends/open_office.rb', line 59

def self.restart!
  Documentalist.logger.debug("Restarting OpenOffice instance...")
  (kill! if running?) and start!
  Documentalist.logger.debug("...done !")
end

.running? ⇒ Boolean

Is OpenOffice server running?

Returns:

  • (Boolean) 


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# File 'lib/backends/open_office.rb', line 54

def self.running?
  !`pgrep soffice`.empty?
end

.stalled? ⇒ Boolean

Is the current instance stuck ?

Returns:

  • (Boolean) 


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# File 'lib/backends/open_office.rb', line 110

def self.stalled?
  if running?
    cpu_usage = `ps -Ao pcpu,pid,comm | grep soffice | grep [#{pids.collect{|pid| '\('+pid.to_s+'\)'}}]`.split(/\n/)
    cpu_usage.any? { |usage| /^\s*\d+/.match(usage)[0].strip.to_i > Documentalist.config[:open_office][:max_cpu] }
  end
end

.start! ⇒ Object

Start new instance



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# File 'lib/backends/open_office.rb', line 66

def self.start!
  Documentalist.logger.debug("Starting OpenOffice instance...")
  raise "Already running!" if running?

  command_line = "#{Documentalist.config[:open_office][:path]} -headless -accept=\"socket,host=127.0.0.1,port=8100\;urp\;\" -nofirststartwizard -nologo -nocrashreport -norestore -nolockcheck -nodefault"
  command_line << " >> #{Documentalist.config[:log_file]} 2>&1"
  command_line << " &"

  system(command_line)
  
  begin
    Documentalist.timeout(Documentalist.config[:open_office][:max_startup_time]) do
      while !running?
        # Do nothing
      end
    end
  rescue Timeout::Error
    raise "OpenOffice didn't start fast enough, you might want to increase the max_startup_time value or check your OpenOffice configuration"
  end

  # OpenOffice needs some time to fully wake up
  sleep(Documentalist.config[:open_office][:wakeup_time])
  nil
end