Module: Mumukit::WithCommandLine

Defined in:
lib/mumukit/with_command_line.rb

Constant Summary collapse

SIGINT = 
2
SIGSEGV = 
11
SIGXCPU = 
24

Instance Method Summary collapse

Instance Method Details

#command_size_limit ⇒ Object 



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# File 'lib/mumukit/with_command_line.rb', line 7

def command_size_limit
  Mumukit.config.command_size_limit
end

#command_time_limit ⇒ Object 



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# File 'lib/mumukit/with_command_line.rb', line 11

def command_time_limit
  Mumukit.config.command_time_limit
end

#limit_command ⇒ Object 



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# File 'lib/mumukit/with_command_line.rb', line 15

def limit_command
  Mumukit.config.limit_script
end

#run_command(command) ⇒ Object 



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# File 'lib/mumukit/with_command_line.rb', line 19

def run_command(command)
  out = %x{#{limit_command} #{command_size_limit} #{command_time_limit} $(cat <<EOLIMIT
#{command}
EOLIMIT
)}
  case $?.exitstatus
    when 0 then [out, :passed]
    when signal_status(SIGINT)  then [I18n.t('mumukit.memory_exceeded'), :aborted]
    when signal_status(SIGSEGV) then [I18n.t('mumukit.memory_exceeded'), :aborted]
    when signal_status(SIGXCPU) then [I18n.t('mumukit.time_exceeded', limit: command_time_limit), :aborted]
    else [out, :failed]
  end
end

#signal_status(signal) ⇒ Object 



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# File 'lib/mumukit/with_command_line.rb', line 33

def signal_status(signal)
  # see http://tldp.org/LDP/abs/html/exitcodes.html
  128 + signal
end