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Commit Description:
added time out check for code jom submissions
Commit Description:
added time out check for code jom submissions
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app/controllers/main_controller.rb | 459 lines | 13.8 KiB | text/x-ruby | RubyLexer |
class MainController < ApplicationController
before_filter :authenticate, :except => [:index, :login]
before_filter :check_viewability, :except => [:index, :login]
# COMMENTED OUT: filter in each action instead
# before_filter :verify_time_limit, :only => [:submit]
verify :method => :post, :only => [:submit, :download_input, :submit_solution],
:redirect_to => { :action => :index }
# COMMENT OUT: only need when having high load
# caches_action :index, :login
# NOTE: This method is not actually needed, 'config/routes.rb' has
# assigned action login as a default action.
def index
redirect_to :action => 'login'
end
def login
saved_notice = flash[:notice]
reset_session
flash.now[:notice] = saved_notice
# EXPERIMENT:
# Hide login if in single user mode and the url does not
# explicitly specify /login
#
# logger.info "PATH: #{request.path}"
# if Configuration['system.single_user_mode'] and
# request.path!='/main/login'
# @hidelogin = true
# end
@announcements = Announcement.find_for_frontpage
render :action => 'login', :layout => 'empty'
end
def list
prepare_list_information
end
def help
@user = User.find(session[:user_id])
end
def submit
user = User.find(session[:user_id])
@submission = Submission.new(params[:submission])
@submission.user = user
@submission.language_id = 0
if (params['file']) and (params['file']!='')
@submission.source = params['file'].read
@submission.source_filename = params['file'].original_filename
end
@submission.submitted_at = Time.new.gmtime
if Configuration.time_limit_mode? and user.contest_finished?
@submission.errors.add_to_base "The contest is over."
prepare_list_information
render :action => 'list' and return
end
if @submission.valid?
if @submission.save == false
flash[:notice] = 'Error saving your submission'
elsif Task.create(:submission_id => @submission.id,
:status => Task::STATUS_INQUEUE) == false
flash[:notice] = 'Error adding your submission to task queue'
end
else
prepare_list_information
render :action => 'list' and return
end
redirect_to :action => 'list'
end
def source
submission = Submission.find(params[:id])
if submission.user_id == session[:user_id]
send_data(submission.source,
{:filename => submission.download_filename,
:type => 'text/plain'})
else
flash[:notice] = 'Error viewing source'
redirect_to :action => 'list'
end
end
def compiler_msg
@submission = Submission.find(params[:id])
if @submission.user_id == session[:user_id]
render :action => 'compiler_msg', :layout => 'empty'
else
flash[:notice] = 'Error viewing source'
redirect_to :action => 'list'
end
end
def submission
# protect the action for Code Jom
redirect_to :action => 'list'
@user = User.find(session[:user_id])
@problems = Problem.find_available_problems
if params[:id]==nil
@problem = nil
@submissions = nil
else
@problem = Problem.find_by_name(params[:id])
if not @problem.available
redirect_to :action => 'list'
flash[:notice] = 'Error: submissions for that problem are not viewable.'
return
end
@submissions = Submission.find_all_by_user_problem(@user.id, @problem.id)
end
end
def result
if !Configuration.show_grading_result
redirect_to :action => 'list' and return
end
@user = User.find(session[:user_id])
@submission = Submission.find(params[:id])
if @submission.user!=@user
flash[:notice] = 'You are not allowed to view result of other users.'
redirect_to :action => 'list' and return
end
prepare_grading_result(@submission)
end
def load_output
if !Configuration.show_grading_result or params[:num]==nil
redirect_to :action => 'list' and return
end
@user = User.find(session[:user_id])
@submission = Submission.find(params[:id])
if @submission.user!=@user
flash[:notice] = 'You are not allowed to view result of other users.'
redirect_to :action => 'list' and return
end
case_num = params[:num].to_i
out_filename = output_filename(@user.login,
@submission.problem.name,
@submission.id,
case_num)
if !FileTest.exists?(out_filename)
flash[:notice] = 'Output not found.'
redirect_to :action => 'list' and return
end
response.headers['Content-Type'] = "application/force-download"
response.headers['Content-Disposition'] = "attachment; filename=\"output-#{case_num}.txt\""
response.headers["X-Sendfile"] = out_filename
response.headers['Content-length'] = File.size(out_filename)
render :nothing => true
end
def error
@user = User.find(session[:user_id])
end
# announcement refreshing and hiding methods
def announcements
if params.has_key? 'recent'
prepare_announcements(params[:recent])
else
prepare_announcements
end
render(:partial => 'announcement',
:collection => @announcements,
:locals => {:announcement_effect => true})
end
#
# actions for Code Jom
#
def download_input
user = User.find(session[:user_id])
if Configuration.time_limit_mode? and user.contest_finished?
redirect_to :action => 'list' and return
end
problem = Problem.find(params[:id])
if user.can_request_new_test_pair_for? problem
assignment = user.get_new_test_pair_assignment_for problem
assignment.save
send_data(assignment.test_pair.input,
{ :filename => "#{problem.name}-#{assignment.request_number}.in",
:type => 'text/plain' })
else
recent_assignment = user.get_recent_test_pair_assignment_for problem
send_data(recent_assignment.test_pair.input,
{ :filename => "#{problem.name}-#{recent_assignment.request_number}.in",
:type => 'text/plain' })
end
end
def submit_solution
problem = Problem.find(params[:id])
user = User.find(session[:user_id])
recent_assignment = user.get_recent_test_pair_assignment_for problem
if Configuration.time_limit_mode? and user.contest_finished?
redirect_to :action => 'list' and return
end
if recent_assignment == nil
flash[:notice] = 'You have not requested for any input data for this problem. Please download an input first.'
session[:current_problem_id] = problem.id
redirect_to :action => 'list' and return
end
if recent_assignment.expired?
flash[:notice] = 'The current input is expired. Please download a new input data.'
session[:current_problem_id] = problem.id
redirect_to :action => 'list' and return
end
if recent_assignment.submitted
flash[:notice] = 'You have already submitted an incorrect solution for this input. Please download a new input data.'
session[:current_problem_id] = problem.id
redirect_to :action => 'list' and return
end
if params[:file] == nil
flash[:notice] = 'You have not submitted any output.'
session[:current_problem_id] = problem.id
redirect_to :action => 'list' and return
end
submitted_solution = params[:file].read
test_pair = recent_assignment.test_pair
passed = test_pair.grade(submitted_solution)
points = passed ? 100 : 0
submission = Submission.new(:user => user,
:problem => problem,
:source => submitted_solution,
:source_filename => params['file'].original_filename,
:language_id => 0,
:submitted_at => Time.new.gmtime,
:graded_at => Time.new.gmtime,
:points => points)
submission.save
recent_assignment.submitted = true
recent_assignment.save
status = user.get_submission_status_for(problem)
if status == nil
status = SubmissionStatus.new :user => user, :problem => problem, :submission_count => 0
end
status.submission_count += 1
status.passed = passed
status.save
if passed
flash[:notice] = 'Correct solution.'
user.update_codejom_status
else
session[:current_problem_id] = problem.id
flash[:notice] = 'Incorrect solution.'
end
redirect_to :action => 'list'
end
protected
def prepare_announcements(recent=nil)
if Configuration.show_tasks_to?(@user)
@announcements = Announcement.find_published(true)
else
@announcements = Announcement.find_published
end
if recent!=nil
recent_id = recent.to_i
@announcements = @announcements.find_all { |a| a.id > recent_id }
end
end
def prepare_timeout_information(problems)
@submission_timeouts = {}
problems.each do |problem|
assignment = @user.get_recent_test_pair_assignment_for(problem)
if assignment == nil
timeout = nil
else
if (assignment.expired?) or (assignment.submitted)
timeout = 0
else
timeout = assignment.created_at + TEST_ASSIGNMENT_EXPIRATION_DURATION - Time.new.gmtime
end
end
@submission_timeouts[problem.id] = timeout
end
@submission_timeouts.each_pair {|k,v| puts "#{k} => #{v}"}
end
def prepare_list_information
@user = User.find(session[:user_id])
all_problems = Problem.find_available_problems
passed = {}
sub_count = {}
@user.submission_statuses.each do |status|
if status.passed
passed[status.problem_id] = true
end
sub_count[status.problem_id] = status.submission_count
end
if session.has_key? :current_problem_id
@current_problem_id = session[:current_problem_id]
session.delete(:current_problem_id)
else
@current_problem_id = nil
end
@problems = all_problems.reject { |problem| passed.has_key? problem.id }
prepare_timeout_information(@problems)
@prob_submissions = Array.new
@problems.each do |p|
if sub_count.has_key? p.id
@prob_submissions << { :count => sub_count[p.id] }
else
@prob_submissions << { :count => 0 }
end
end
prepare_announcements
end
def check_viewability
@user = User.find(session[:user_id])
if (!Configuration.show_tasks_to?(@user)) and
((action_name=='submission') or (action_name=='submit'))
redirect_to :action => 'list' and return
end
end
def prepare_grading_result(submission)
if Configuration.task_grading_info.has_key? submission.problem.name
grading_info = Configuration.task_grading_info[submission.problem.name]
else
# guess task info from problem.full_score
cases = submission.problem.full_score / 10
grading_info = {
'testruns' => cases,
'testcases' => cases
}
end
@test_runs = []
if grading_info['testruns'].is_a? Integer
trun_count = grading_info['testruns']
trun_count.times do |i|
@test_runs << [ read_grading_result(@user.login,
submission.problem.name,
submission.id,
i+1) ]
end
else
grading_info['testruns'].keys.sort.each do |num|
run = []
testrun = grading_info['testruns'][num]
testrun.each do |c|
run << read_grading_result(@user.login,
submission.problem.name,
submission.id,
c)
end
@test_runs << run
end
end
end
def grading_result_dir(user_name, problem_name, submission_id, case_num)
return "#{GRADING_RESULT_DIR}/#{user_name}/#{problem_name}/#{submission_id}/test-result/#{case_num}"
end
def output_filename(user_name, problem_name, submission_id, case_num)
dir = grading_result_dir(user_name,problem_name, submission_id, case_num)
return "#{dir}/output.txt"
end
def read_grading_result(user_name, problem_name, submission_id, case_num)
dir = grading_result_dir(user_name,problem_name, submission_id, case_num)
result_file_name = "#{dir}/result"
if !FileTest.exists?(result_file_name)
return {:num => case_num, :msg => 'program did not run'}
else
results = File.open(result_file_name).readlines
run_stat = extract_running_stat(results)
output_filename = "#{dir}/output.txt"
if FileTest.exists?(output_filename)
output_file = true
output_size = File.size(output_filename)
else
output_file = false
output_size = 0
end
return {
:num => case_num,
:msg => results[0],
:run_stat => run_stat,
:output => output_file,
:output_size => output_size
}
end
end
# copied from grader/script/lib/test_request_helper.rb
def extract_running_stat(results)
running_stat_line = results[-1]
# extract exit status line
run_stat = ""
if !(/[Cc]orrect/.match(results[0]))
run_stat = results[0].chomp
else
run_stat = 'Program exited normally'
end
logger.info "Stat line: #{running_stat_line}"
# extract running time
if res = /r(.*)u(.*)s/.match(running_stat_line)
seconds = (res[1].to_f + res[2].to_f)
time_stat = "Time used: #{seconds} sec."
else
seconds = nil
time_stat = "Time used: n/a sec."
end
# extract memory usage
if res = /s(.*)m/.match(running_stat_line)
memory_used = res[1].to_i
else
memory_used = -1
end
return {
:msg => "#{run_stat}\n#{time_stat}",
:running_time => seconds,
:exit_status => run_stat,
:memory_usage => memory_used
}
end
end