cafe-grader-judge-scripts Commit

cafe-grader-judge-scripts

Commit `r257:98303143aafa` public

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Description:

more commenting on script

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r257:98303143aafa - Thu, 19 Jul 2018 15:49:37 - 3 files changed: 24 inserted, 2 deleted

lib/engine.rb ¶ +1

                   def grade(submission)
                     current_dir = FileUtils.pwd
                     user = submission.user
                     problem = submission.problem
                     begin
                       # TODO: will have to create real exception for this
                       if user==nil or problem == nil
                         @reporter.report_error(submission,"Grading error: problem with submission")
                         raise "engine: user or problem is nil"
                       end
                       # TODO: this is another hack so that output only task can be judged
                       if submission.language!=nil
                         language = submission.language.name
                         lang_ext = submission.language.ext
                       else
                         language = 'c'
                         lang_ext = 'c'
                       end
                       # This is needed because older version of std-scripts/compile
                       # only look for c++.
                       if language == 'cpp'
                         language = 'c++'
                       end
                       # COMMENT: should it be only source.ext?
                       if problem!=nil
                         source_name = "#{problem.name}.#{lang_ext}"
                       else
                         source_name = "source.#{lang_ext}"
                       end
                       grading_dir = @room_maker.produce_grading_room(submission)
                       @room_maker.save_source(submission,source_name)
                       problem_home = @room_maker.find_problem_home(submission)
                       # puts "GRADING DIR: #{grading_dir}"
                       # puts "PROBLEM DIR: #{problem_home}"
                       if !FileTest.exist?(problem_home)
                         puts "PROBLEM DIR: #{problem_home}"
                         raise "engine: No test data."
                       end
                       talk "ENGINE: grading dir at #{grading_dir} is created"
+            +         talk "ENGINE: located problem home at #{problem_home} is created"
                       # copy the source script, using lock
                       dinit = DirInit::Manager.new(problem_home)
                       # lock the directory and copy the scripts
                       dinit.setup do
                         copy_log = copy_script(problem_home)
                         save_copy_log(problem_home,copy_log)
                         talk "ENGINE: following std script is copied: #{copy_log.join ' '}"
                       end
                       call_judge(problem_home,language,grading_dir,source_name)
                       @reporter.report(submission,"#{grading_dir}/test-result")
                       # unlock the directory
                       dinit.teardown do
                         copy_log = load_copy_log(problem_home)
                         clear_copy_log(problem_home)
                         clear_script(copy_log,problem_home)
                       end
                     rescue RuntimeError => msg
                       @reporter.report_error(submission, msg)
                       puts "ERROR: #{msg}"
                     ensure
                       @room_maker.clean_up(submission)
                       Dir.chdir(current_dir)   # this is really important
                     end
                   end
                   protected
                   def talk(str)
                     if @config.talkative
                       puts str
                     end
                   end
                   #change directory to problem_home
                   #call the "judge" script
                   def call_judge(problem_home,language,grading_dir,fname)
                     ENV['PROBLEM_HOME'] = problem_home
                     ENV['RUBYOPT'] = ''
                     Dir.chdir grading_dir

std-script/judge ¶ +2

               else
                 call_and_log("Cannot move the compiled program to #{test_result_dir}") {
                   FileUtils.mv("a.out",test_result_dir)
                   if language == "java" then Dir["*.class"].each { |file| FileUtils.mv(file,test_result_dir)} end
                   if language == "python" then Dir["*.pyc"].each { |file| FileUtils.mv(file,test_result_dir)} end
                 }
                 FileUtils.rm_rf("#{sandbox_dir}/.")
               end
               #-----------------------------------------------
               # run
               #-----------------------------------------------
               require "#{problem_home}/script/test_dsl.rb"
               load "#{problem_home}/test_cases/all_tests.cfg"
               problem = Problem.get_instance
               if problem.well_formed? == false
                 log "The problem specification is not well formed."
                 exit(127)
               end
               # Doing the testing.
               log
               log "JUDGE: Running each test case..."
               (1..(problem.num_tests)).each do |test_num|
                 $stdout.print "[#{test_num}]"
                 $stdout.flush
                 call_and_log("Cannot copy the compiled program into #{sandbox_dir}") {
                   FileUtils.cp("#{test_result_dir}/a.out", sandbox_dir, :preserve => true)
                   if language == "java" then Dir["#{test_result_dir}/*.class"].each { |file| FileUtils.cp(file,sandbox_dir)} end
                   if language == "python" then Dir["#{test_result_dir}/*.pyc"].each { |file| FileUtils.cp(file,sandbox_dir)} end
                 }
                 #additionally copy any extra .txt file
                 data_files = Dir[problem_home + '/*.txt']
                 data_files.each do |file|
                   FileUtils.cp(file,sandbox_dir)
                 end
                 begin
                   execute("#{problem_home}/script/run #{language} #{test_num} ", "Error occured during execution of the run script")
                 rescue
                   # do nothing
                 end
+            +
+            +   #copy the output of run script to each test-result folder
                 call_and_log("Cannot create directory #{test_result_dir}/#{test_num}") {
                   FileUtils.mkdir "#{test_result_dir}/#{test_num}"
                 }
                 call_and_log("Cannot copy the result file into #{test_result_dir}/#{test_num}") {
                   FileUtils.mv "#{sandbox_dir}/result", "#{test_result_dir}/#{test_num}"
                 }
                 call_and_log("Cannot copy the comment file into #{test_result_dir}/#{test_num}") {
                   FileUtils.mv "#{sandbox_dir}/comment", "#{test_result_dir}/#{test_num}"
                 }
                 call_and_log("Cannot copy the output file into #{test_result_dir}/#{test_num}") {
                   FileUtils.mv "#{sandbox_dir}/output.txt", "#{test_result_dir}/#{test_num}"
                 }
                 call_and_log("Cannot clear #{sandbox_dir}") {
                   FileUtils.rm_rf(Dir.glob("#{sandbox_dir}/*"), :secure => true)
                 }
               end
               $stdout.print "[done]\n"
               # Grade
               log
               log "JUDGE: Grading..."
               begin
                 Dir.chdir test_result_dir
               rescue
                 log "ERROR: Cannot change directory to #{test_result_dir}."
                 exit(127)
               end
               execute("#{problem_home}/script/grade", "An error occured during grading!")
               log
               log "All done!"

std-script/run ¶ +21 -2

               #!/usr/bin/env ruby
+            + ##
+            + # This program should be run in the sandbox dir containing the compiled file
+            + # (or source file for script language). It will call the sandbox program with
+            + # the given input and process the output of the sandbox
+            + #
+            + # If sandbox exit normally, this program will call the "check" script to do
+            + # scoring. Otherwise, it would record the error accordingly
+            + #
+            + # This program produces several file
+            + #  * result     - the result from check script
+            + #  * comment    - comment from sandbox
+            + #  * output     - output of the program
+            + #
+            +
               require 'fileutils'
               def log(str='')
                 if ENV['TALKATIVE']!=nil
                   puts str
                 end
                 if ENV['GRADER_LOGGING']!=nil
                   log_fname = ENV['GRADER_LOGGING']
                   fp = File.open(log_fname,"a")
                   fp.puts("run: #{Time.new.strftime("%H:%M")} #{str}")
                   fp.close
                 end
               end
               def extract_time(t)
                 #  puts "TIME: #{t}"
                 if (result=/^(.*)r(.*)u(.*)s/.match(t))
                   {:real => result[1], :user => result[2], :sys => result[3]}
                 else
                   #{:real => 0, :user => 0, :sys => 0}
                   #puts "ERROR READING RUNNING TIME: #{t}"
                   raise "Error reading running time: #{t}"
                 end
               end
               def compile_box(source,bin)
                 system("g++ #{source} -o #{bin}")
               end
+            + #------------------------------------------
+            + # MAIN
+            + #------------------------------------------
+            +
+            + #parse parameter
               if ARGV.length < 2 || ARGV.length > 3
                 puts "Usage: run <language> <test-num> [<program-name>]"
                 exit(127)
               end
               language = ARGV[0]
               test_num = ARGV[1].to_i
               if ARGV.length > 2
                 program_name = ARGV[2]
               else
                 program_name = "a.out"
               end
               problem_home = ENV['PROBLEM_HOME']
               source_name = ENV['SOURCE_NAME']
               require "#{problem_home}/script/test_dsl.rb"
               load "#{problem_home}/test_cases/all_tests.cfg"
               problem = Problem.get_instance
               sandbox_dir = Dir.getwd
               if problem.well_formed? == false
-            -   log "RUN: The problem specification is not well formed."
+            +   log "RUN: ERROR: The problem specification is not well formed."
                 exit(127)
               end
               # Check if the test number is okay.
               if test_num <= 0 || test_num > problem.num_tests
-            -   log "RUN: You have specified a wrong test number."
+            +   log "RUN: ERROR: You have specified a wrong test number."
                 exit(127)
               end
               #####################################
               # Set the relavant file names here. #
               #####################################
               input_file_name = "#{problem_home}/test_cases/#{test_num}/input-#{test_num}.txt"
               #####################################
               time_limit = problem.get_time_limit test_num
               mem_limit = problem.get_mem_limit(test_num) * 1024
               # Copy the input file.
               #`cp #{problem_home}/test_cases/#{test_num}/#{input_file_name} .`
               # check if box is there, if not, compile it!
               if !File.exists?("#{problem_home}/script/box")
                 log "WARNING: Compiling box: to increase efficiency, it should be compile manually"
                 compile_box("#{problem_home}/script/box.cc",
                             "#{problem_home}/script/box")
               end
               # Hide PROBLEM_HOME
               ENV['PROBLEM_HOME'] = nil
               ENV['SOURCE_NAME'] = nil
               # Run the program.
               #run_command = "/usr/bin/time -f \"#{time_output_format}\" 2>run_result #{problem_home}/script/box_new -a 2 -f -t #{time_limit} -m #{mem_limit} -i #{input_file_name} -o output.txt #{program_name}"
               #
               JAVA_OPTION = "-s set_robust_list -s futex -s clone -s getppid -s clone -s wait4 -p /usr/bin/ -p ./"
               RUBY_OPTION   = "-p /usr/lib64/ -p /usr/local/lib64/ -p /usr/local/lib/ -p /lib64/ -p /dev/urandom -p #{sandbox_dir}/#{program_name} -p #{sandbox_dir}/ -s set_robust_list -s sched_getaffinity -s clock_gettime -s sigaltstack -s pipe2 -s clone -s futex -s openat -s pipe -s getrandom"
               PYTHON_OPTION = "-p /usr/lib64/ -p /usr/local/lib64/ -p /usr/local/lib/ -p /usr/bin/ -p /lib64/ -p /dev/urandom -p /usr/ -p #{sandbox_dir}/#{program_name} -p ./#{program_name} -p #{sandbox_dir}/#{source_name} -p /proc/sys/crypto/fips_enabled -p /proc/self/status -p /proc/mounts -p /var/lib/dpkg/status -s statfs -s set_robust_list -s openat -s sysinfo -s recvmsg -s connect -s socket -s sendto -s futex -s sigaltstack -s getrandom -E PYTHONNOUSERSITE=yes"
               PHP_OPTION = "-p /usr/lib64/ -p/lib64/ -p /usr/bin/ -p #{sandbox_dir}/#{program_name} -p ./#{program_name} -p /usr/share/ -s setfsuid -s setfsgid -s openat -s set_robust_list -s futex -s clone -s socket -s connect"
               HASKELL_OPTION = "-s set_robust_list -s clock_gettime -s sysinfo -s timer_create -s timer_settime -s futex -s timer_delete"
               case language
                 when "java"
                   # for java, extract the classname
                   # wne have to add additional systemcall and we don't check the mem limit (dunno how to fix...)
                   classname = 'DUMMY'
                   File.open(program_name,"r").each do |line|
                     classname = line
                   end
                   #for java, we cannot really check the memory limit...
                   run_command = "#{problem_home}/script/box -a 3 -f -T -t #{time_limit} #{JAVA_OPTION} -i #{input_file_name} -o output.txt /usr/bin/java -A -Xmx#{mem_limit}k -A #{classname} "

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r257:98303143aafa - Thu, 19 Jul 2018 15:49:37 - 3 files changed: 24 inserted, 2 deleted

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r257:98303143aafa - Thu, 19 Jul 2018 15:49:37 - 3 files changed: 24 inserted, 2 deleted

Commit `r257:98303143aafa` public