cafe-grader-judge-scripts

Commit r49:5746784ead66 public

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Description:
[grader] obsolete new_problem, fixed memory measurement bug in box.cc git-svn-id: http://theory.cpe.ku.ac.th/grader/judge/trunk/scripts@186 6386c4cd-e34a-4fa8-8920-d93eb39b512e
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[Not Reviewed]
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r49:5746784ead66 - - 2 files changed: 11 inserted, 2 deleted

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@@ -1,68 +1,73
1 #!/usr/bin/ruby
1 #!/usr/bin/ruby
2
2
3 # new_problem:
3 # new_problem:
4 # * creates a directory for a problem in the current directory,
4 # * creates a directory for a problem in the current directory,
5 # * create standard testcase config file
5 # * create standard testcase config file
6
6
7 require 'erb'
7 require 'erb'
8
8
9 def process_options(options)
9 def process_options(options)
10 i = 2
10 i = 2
11 while i<ARGV.length
11 while i<ARGV.length
12 if ARGV[i]=='-t'
12 if ARGV[i]=='-t'
13 options[:time_limit] = ARGV[i+1].to_i if ARGV.length>i+1
13 options[:time_limit] = ARGV[i+1].to_i if ARGV.length>i+1
14 i += 1
14 i += 1
15 end
15 end
16 if ARGV[i]=='-m'
16 if ARGV[i]=='-m'
17 options[:mem_limit] = ARGV[i+1].to_i if ARGV.length>i+1
17 options[:mem_limit] = ARGV[i+1].to_i if ARGV.length>i+1
18 i += 1
18 i += 1
19 end
19 end
20 i += 1
20 i += 1
21 end
21 end
22 end
22 end
23
23
24 +
25 + puts "This script is out of dated, shall be fixed soon"
26 + puts "Right now, you can create raw_ev and import"
27 + exit(0)
28 +
24 GRADER_DIR = File.dirname(__FILE__)
29 GRADER_DIR = File.dirname(__FILE__)
25
30
26 # print usage
31 # print usage
27 if ARGV.length < 2
32 if ARGV.length < 2
28 puts <<USAGE
33 puts <<USAGE
29 using: new_problem problem number_of_testcase [options]
34 using: new_problem problem number_of_testcase [options]
30 * creates a directory for a problem in the current directory,
35 * creates a directory for a problem in the current directory,
31 * create standard testcase config file
36 * create standard testcase config file
32 * options: -t time-limit (in seconds)
37 * options: -t time-limit (in seconds)
33 -m mem-limit (in MB)
38 -m mem-limit (in MB)
34 USAGE
39 USAGE
35 exit(127)
40 exit(127)
36 end
41 end
37
42
38 # processing arguments
43 # processing arguments
39 problem = ARGV[0]
44 problem = ARGV[0]
40 num_testcases = ARGV[1].to_i
45 num_testcases = ARGV[1].to_i
41
46
42 options = {:time_limit => 1, :mem_limit => 16}
47 options = {:time_limit => 1, :mem_limit => 16}
43 process_options(options)
48 process_options(options)
44
49
45 # start working
50 # start working
46 puts "creating directories"
51 puts "creating directories"
47
52
48 system("mkdir #{problem}")
53 system("mkdir #{problem}")
49 system("mkdir #{problem}/script")
54 system("mkdir #{problem}/script")
50 system("mkdir #{problem}/test_cases")
55 system("mkdir #{problem}/test_cases")
51
56
52 puts "creating testcases directories"
57 puts "creating testcases directories"
53
58
54 1.upto(num_testcases) do |i|
59 1.upto(num_testcases) do |i|
55 system("mkdir #{problem}/test_cases/#{i}")
60 system("mkdir #{problem}/test_cases/#{i}")
56 end
61 end
57
62
58 # generating all_tests.cfg
63 # generating all_tests.cfg
59 puts "generating testcase config file"
64 puts "generating testcase config file"
60
65
61 - template = File.open(File.dirname(__FILE__) + "/all_tests.cfg.erb").read
66 + template = File.open(File.dirname(__FILE__) + "/templates/all_tests.cfg.erb").read
62 all_test_cfg = ERB.new(template)
67 all_test_cfg = ERB.new(template)
63
68
64 cfg_file = File.open("#{problem}/test_cases/all_tests.cfg","w")
69 cfg_file = File.open("#{problem}/test_cases/all_tests.cfg","w")
65 cfg_file.puts all_test_cfg.result
70 cfg_file.puts all_test_cfg.result
66 cfg_file.close
71 cfg_file.close
67
72
68 puts "done"
73 puts "done"
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@@ -1,94 +1,95
1 /*
1 /*
2 * A Simple Testing Sandbox
2 * A Simple Testing Sandbox
3 *
3 *
4 * (c) 2001--2004 Martin Mares <mj@ucw.cz>
4 * (c) 2001--2004 Martin Mares <mj@ucw.cz>
5 */
5 */
6
6
7 #define _LARGEFILE64_SOURCE
7 #define _LARGEFILE64_SOURCE
8 //#define _GNU_SOURCE
8 //#define _GNU_SOURCE
9
9
10 #include <errno.h>
10 #include <errno.h>
11 #include <stdio.h>
11 #include <stdio.h>
12 #include <fcntl.h>
12 #include <fcntl.h>
13 #include <stdlib.h>
13 #include <stdlib.h>
14 #include <string.h>
14 #include <string.h>
15 #include <stdarg.h>
15 #include <stdarg.h>
16 #include <unistd.h>
16 #include <unistd.h>
17 #include <getopt.h>
17 #include <getopt.h>
18 #include <time.h>
18 #include <time.h>
19 #include <sys/wait.h>
19 #include <sys/wait.h>
20 #include <sys/user.h>
20 #include <sys/user.h>
21 #include <sys/time.h>
21 #include <sys/time.h>
22 #include <sys/ptrace.h>
22 #include <sys/ptrace.h>
23 #include <sys/signal.h>
23 #include <sys/signal.h>
24 #include <sys/sysinfo.h>
24 #include <sys/sysinfo.h>
25 #include <sys/syscall.h>
25 #include <sys/syscall.h>
26 #include <sys/resource.h>
26 #include <sys/resource.h>
27
27
28 #define NONRET __attribute__((noreturn))
28 #define NONRET __attribute__((noreturn))
29 #define UNUSED __attribute__((unused))
29 #define UNUSED __attribute__((unused))
30
30
31 static int filter_syscalls; /* 0=off, 1=liberal, 2=totalitarian */
31 static int filter_syscalls; /* 0=off, 1=liberal, 2=totalitarian */
32 static int timeout;
32 static int timeout;
33 static int pass_environ;
33 static int pass_environ;
34 static int use_wall_clock;
34 static int use_wall_clock;
35 static int file_access;
35 static int file_access;
36 static int verbose;
36 static int verbose;
37 static int memory_limit;
37 static int memory_limit;
38 static int allow_times;
38 static int allow_times;
39 static char *redir_stdin, *redir_stdout;
39 static char *redir_stdin, *redir_stdout;
40 static char *set_cwd;
40 static char *set_cwd;
41
41
42 static pid_t box_pid;
42 static pid_t box_pid;
43 static int is_ptraced;
43 static int is_ptraced;
44 static volatile int timer_tick;
44 static volatile int timer_tick;
45 static time_t start_time;
45 static time_t start_time;
46 static int ticks_per_sec;
46 static int ticks_per_sec;
47 + static int page_size;
47
48
48 #if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ > 0
49 #if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ > 0
49 /* glibc 2.1 or newer -> has lseek64 */
50 /* glibc 2.1 or newer -> has lseek64 */
50 #define long_seek(f,o,w) lseek64(f,o,w)
51 #define long_seek(f,o,w) lseek64(f,o,w)
51 #else
52 #else
52 /* Touching clandestine places in glibc */
53 /* Touching clandestine places in glibc */
53 extern loff_t llseek(int fd, loff_t pos, int whence);
54 extern loff_t llseek(int fd, loff_t pos, int whence);
54 #define long_seek(f,o,w) llseek(f,o,w)
55 #define long_seek(f,o,w) llseek(f,o,w)
55 #endif
56 #endif
56
57
57 int max_mem_used = 0;
58 int max_mem_used = 0;
58
59
59 void print_running_stat(double wall_time,
60 void print_running_stat(double wall_time,
60 double user_time,
61 double user_time,
61 double system_time,
62 double system_time,
62 int mem_usage)
63 int mem_usage)
63 {
64 {
64 fprintf(stderr,"%.4lfr%.4lfu%.4lfs%dm\n",
65 fprintf(stderr,"%.4lfr%.4lfu%.4lfs%dm\n",
65 wall_time, user_time, system_time, mem_usage);
66 wall_time, user_time, system_time, mem_usage);
66 }
67 }
67
68
68 static void NONRET
69 static void NONRET
69 box_exit(void)
70 box_exit(void)
70 {
71 {
71 if (box_pid > 0) {
72 if (box_pid > 0) {
72 if (is_ptraced)
73 if (is_ptraced)
73 ptrace(PTRACE_KILL, box_pid);
74 ptrace(PTRACE_KILL, box_pid);
74 kill(-box_pid, SIGKILL);
75 kill(-box_pid, SIGKILL);
75 kill(box_pid, SIGKILL);
76 kill(box_pid, SIGKILL);
76 }
77 }
77
78
78 struct timeval total;
79 struct timeval total;
79 int wall;
80 int wall;
80 struct rusage rus;
81 struct rusage rus;
81 int stat;
82 int stat;
82 pid_t p;
83 pid_t p;
83
84
84 // wait so that we can get information
85 // wait so that we can get information
85 p = wait4(box_pid, &stat, WUNTRACED, &rus);
86 p = wait4(box_pid, &stat, WUNTRACED, &rus);
86 if (p < 0) {
87 if (p < 0) {
87 fprintf(stderr,"wait4: error\n");
88 fprintf(stderr,"wait4: error\n");
88 print_running_stat(0,0,0,max_mem_used);
89 print_running_stat(0,0,0,max_mem_used);
89 } else if (p != box_pid) {
90 } else if (p != box_pid) {
90 fprintf(stderr,"wait4: unknown pid %d exited!\n", p);
91 fprintf(stderr,"wait4: unknown pid %d exited!\n", p);
91 print_running_stat(0,0,0,max_mem_used);
92 print_running_stat(0,0,0,max_mem_used);
92 } else {
93 } else {
93 if (!WIFEXITED(stat))
94 if (!WIFEXITED(stat))
94 fprintf(stderr,"wait4: unknown status\n");
95 fprintf(stderr,"wait4: unknown status\n");
@@ -339,116 +340,119
339 {
340 {
340 sprintf(buf, "/proc/%d/stat", (int) box_pid);
341 sprintf(buf, "/proc/%d/stat", (int) box_pid);
341 proc_status_fd = open(buf, O_RDONLY);
342 proc_status_fd = open(buf, O_RDONLY);
342 if (proc_status_fd < 0)
343 if (proc_status_fd < 0)
343 die("open(%s): %m", buf);
344 die("open(%s): %m", buf);
344 }
345 }
345 lseek(proc_status_fd, 0, SEEK_SET);
346 lseek(proc_status_fd, 0, SEEK_SET);
346 if ((c = read(proc_status_fd, buf, sizeof(buf)-1)) < 0)
347 if ((c = read(proc_status_fd, buf, sizeof(buf)-1)) < 0)
347 die("read on /proc/$pid/stat: %m");
348 die("read on /proc/$pid/stat: %m");
348 if (c >= (int) sizeof(buf) - 1)
349 if (c >= (int) sizeof(buf) - 1)
349 die("/proc/$pid/stat too long");
350 die("/proc/$pid/stat too long");
350 buf[c] = 0;
351 buf[c] = 0;
351 x = buf;
352 x = buf;
352 while (*x && *x != ' ')
353 while (*x && *x != ' ')
353 x++;
354 x++;
354 while (*x == ' ')
355 while (*x == ' ')
355 x++;
356 x++;
356 if (*x++ != '(')
357 if (*x++ != '(')
357 die("proc syntax error 1");
358 die("proc syntax error 1");
358 while (*x && (*x != ')' || x[1] != ' '))
359 while (*x && (*x != ')' || x[1] != ' '))
359 x++;
360 x++;
360 while (*x == ')' || *x == ' ')
361 while (*x == ')' || *x == ' ')
361 x++;
362 x++;
362 if (sscanf(x, "%*c %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %d %d", &utime, &stime) != 2)
363 if (sscanf(x, "%*c %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d %d %d", &utime, &stime) != 2)
363 die("proc syntax error 2");
364 die("proc syntax error 2");
364 //printf("%s - %d\n",x,ticks_per_sec);
365 //printf("%s - %d\n",x,ticks_per_sec);
365 sec = (utime + stime + ticks_per_sec-1)/ticks_per_sec;
366 sec = (utime + stime + ticks_per_sec-1)/ticks_per_sec;
366 }
367 }
367 if (verbose > 1)
368 if (verbose > 1)
368 fprintf(stderr, "[timecheck: %d seconds]\n", sec);
369 fprintf(stderr, "[timecheck: %d seconds]\n", sec);
369 if (sec > timeout) {
370 if (sec > timeout) {
370 die("Time limit exceeded.");
371 die("Time limit exceeded.");
371 }
372 }
372 }
373 }
373
374
374 static void
375 static void
375 check_memory_usage()
376 check_memory_usage()
376 {
377 {
377 char proc_fname[100];
378 char proc_fname[100];
378 sprintf(proc_fname,"/proc/%d/statm",box_pid);
379 sprintf(proc_fname,"/proc/%d/statm",box_pid);
379 //printf("proc fname: %s\n",proc_fname);
380 //printf("proc fname: %s\n",proc_fname);
380 FILE *fp = fopen(proc_fname,"r");
381 FILE *fp = fopen(proc_fname,"r");
381 if(fp!=NULL) {
382 if(fp!=NULL) {
382 char line[1000];
383 char line[1000];
383 fgets(line,999,fp);
384 fgets(line,999,fp);
384 //printf("%s\n",line);
385 //printf("%s\n",line);
385 int m;
386 int m;
386
387
387 - if(sscanf(line,"%d",&m)==1)
388 + if(sscanf(line,"%d",&m)==1) {
389 + m = (m*page_size+1023)/1024;
388 if(m>max_mem_used)
390 if(m>max_mem_used)
389 max_mem_used = m;
391 max_mem_used = m;
392 + }
390
393
391 fclose(fp);
394 fclose(fp);
392 }
395 }
393 }
396 }
394
397
395 static void
398 static void
396 boxkeeper(void)
399 boxkeeper(void)
397 {
400 {
398 int syscall_count = 0;
401 int syscall_count = 0;
399 struct sigaction sa;
402 struct sigaction sa;
400
403
401 is_ptraced = 1;
404 is_ptraced = 1;
402 bzero(&sa, sizeof(sa));
405 bzero(&sa, sizeof(sa));
403 sa.sa_handler = signal_int;
406 sa.sa_handler = signal_int;
404 sigaction(SIGINT, &sa, NULL);
407 sigaction(SIGINT, &sa, NULL);
405 start_time = time(NULL);
408 start_time = time(NULL);
406 ticks_per_sec = sysconf(_SC_CLK_TCK);
409 ticks_per_sec = sysconf(_SC_CLK_TCK);
410 + page_size = getpagesize();
407 if (ticks_per_sec <= 0)
411 if (ticks_per_sec <= 0)
408 die("Invalid ticks_per_sec!");
412 die("Invalid ticks_per_sec!");
409
413
410 check_memory_usage();
414 check_memory_usage();
411
415
412 sa.sa_handler = signal_alarm;
416 sa.sa_handler = signal_alarm;
413 sigaction(SIGALRM, &sa, NULL);
417 sigaction(SIGALRM, &sa, NULL);
414 //alarm(1);
418 //alarm(1);
415
419
416 struct itimerval val;
420 struct itimerval val;
417 val.it_interval.tv_sec = 0;
421 val.it_interval.tv_sec = 0;
418 val.it_interval.tv_usec = 50000;
422 val.it_interval.tv_usec = 50000;
419 val.it_value.tv_sec = 0;
423 val.it_value.tv_sec = 0;
420 val.it_value.tv_usec = 50000;
424 val.it_value.tv_usec = 50000;
421 setitimer(ITIMER_REAL,&val,NULL);
425 setitimer(ITIMER_REAL,&val,NULL);
422
426
423 /*
427 /*
424 --- add alarm handler no matter what..
428 --- add alarm handler no matter what..
425 if (timeout)
429 if (timeout)
426 {
430 {
427 sa.sa_handler = signal_alarm;
431 sa.sa_handler = signal_alarm;
428 sigaction(SIGALRM, &sa, NULL);
432 sigaction(SIGALRM, &sa, NULL);
429 alarm(1);
433 alarm(1);
430 }
434 }
431 */
435 */
432
436
433 for(;;)
437 for(;;)
434 {
438 {
435 struct rusage rus;
439 struct rusage rus;
436 int stat;
440 int stat;
437 pid_t p;
441 pid_t p;
438
442
439 if (timer_tick)
443 if (timer_tick)
440 {
444 {
441 check_timeout();
445 check_timeout();
442 check_memory_usage();
446 check_memory_usage();
443 timer_tick = 0;
447 timer_tick = 0;
444 }
448 }
445 p = wait4(box_pid, &stat, WUNTRACED, &rus);
449 p = wait4(box_pid, &stat, WUNTRACED, &rus);
446
450
447 if (p < 0)
451 if (p < 0)
448 {
452 {
449 if (errno == EINTR)
453 if (errno == EINTR)
450 continue;
454 continue;
451 die("wait4: %m");
455 die("wait4: %m");
452 }
456 }
453 if (p != box_pid)
457 if (p != box_pid)
454 die("wait4: unknown pid %d exited!", p);
458 die("wait4: unknown pid %d exited!", p);
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