Example #1
0
static int run_child(int i, int seed, unsigned num_loops, unsigned start,
		     int tdb_flags)
{
	struct sigaction act = { .sa_sigaction = segv_handler,
				 .sa_flags = SA_SIGINFO };
	sigaction(11, &act, NULL);	

	db = tdb_open("torture.tdb", tdb_flags, O_RDWR | O_CREAT, 0600,
		      &log_attr);
	if (!db) {
		fatal(NULL, "db open failed");
	}

#if 0
	if (i == 0) {
		printf("pid %i\n", getpid());
		sleep(9);
	} else
		sleep(10);
#endif

	srand(seed + i);
	srandom(seed + i);

	/* Set global, then we're ready to handle being killed. */
	loopnum = start;
	signal(SIGUSR1, send_count_and_suicide);

	for (;loopnum<num_loops && error_count == 0;loopnum++) {
		addrec_db();
	}

	if (error_count == 0) {
		tdb_traverse(db, NULL, NULL);
#if TRANSACTION_PROB
		if (always_transaction) {
			while (in_transaction) {
				tdb_transaction_cancel(db);
				in_transaction--;
			}
			if (tdb_transaction_start(db) != 0)
				fatal(db, "tdb_transaction_start failed");
		}
#endif
		tdb_traverse(db, traverse_fn, NULL);
		tdb_traverse(db, traverse_fn, NULL);

#if TRANSACTION_PROB
		if (always_transaction) {
			if (tdb_transaction_commit(db) != 0)
				fatal(db, "tdb_transaction_commit failed");
		}
#endif
	}

	tdb_close(db);

	return (error_count < 100 ? error_count : 100);
}
Example #2
0
 int main(int argc, const char *argv[])
{
	int i, seed=0;
	int loops = 10000;
	int num_entries;
	char test_gdbm[] = "test.gdbm";

	unlink("test.gdbm");

	db = tdb_open("test.tdb", 0, TDB_CLEAR_IF_FIRST, 
		      O_RDWR | O_CREAT | O_TRUNC, 0600);
	gdbm = gdbm_open(test_gdbm, 512, GDBM_WRITER|GDBM_NEWDB|GDBM_FAST, 
			 0600, NULL);

	if (!db || !gdbm) {
		fatal("db open failed");
	}

#if 1
	srand(seed);
	_start_timer();
	for (i=0;i<loops;i++) addrec_gdbm();
	printf("gdbm got %.2f ops/sec\n", i/_end_timer());
#endif

	merge_test();

	srand(seed);
	_start_timer();
	for (i=0;i<loops;i++) addrec_db();
	printf("tdb got %.2f ops/sec\n", i/_end_timer());

	if (tdb_validate_freelist(db, &num_entries) == -1) {
		printf("tdb freelist is corrupt\n");
	} else {
		printf("tdb freelist is good (%d entries)\n", num_entries);
	}

	compare_db();

	printf("traversed %d records\n", tdb_traverse(db, traverse_fn, NULL));
	printf("traversed %d records\n", tdb_traverse(db, traverse_fn, NULL));

	tdb_close(db);
	gdbm_close(gdbm);

	return 0;
}
static int run_child(const char *filename, int i, int seed, unsigned num_loops, unsigned start)
{
	db = tdb_open_ex(filename, hash_size, TDB_DEFAULT,
			 O_RDWR | O_CREAT, 0600, &log_ctx, NULL);
	if (!db) {
		fatal("db open failed");
	}

	srand(seed + i);
	srandom(seed + i);

	/* Set global, then we're ready to handle being killed. */
	loopnum = start;
	signal(SIGUSR1, send_count_and_suicide);

	for (;loopnum<num_loops && error_count == 0;loopnum++) {
		addrec_db();
	}

	if (error_count == 0) {
		tdb_traverse_read(db, NULL, NULL);
		if (always_transaction) {
			while (in_transaction) {
				tdb_transaction_cancel(db);
				in_transaction--;
			}
			if (tdb_transaction_start(db) != 0)
				fatal("tdb_transaction_start failed");
		}
		tdb_traverse(db, traverse_fn, NULL);
		tdb_traverse(db, traverse_fn, NULL);
		if (always_transaction) {
			if (tdb_transaction_commit(db) != 0)
				fatal("tdb_transaction_commit failed");
		}
	}

	tdb_close(db);

	return (error_count < 100 ? error_count : 100);
}
Example #4
0
static int modify_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
			   void *state)
{
#if CULL_PROB
	if (random() % CULL_PROB == 0) {
		tdb_delete(tdb, key);
	}
#endif

#if TRAVERSE_MOD_PROB
	if (random() % TRAVERSE_MOD_PROB == 0) {
		addrec_db();
	}
#endif

#if TRAVERSE_ABORT_PROB
	if (random() % TRAVERSE_ABORT_PROB == 0)
		return 1;
#endif

	return 0;
}
Example #5
0
 int main(int argc, char * const *argv)
{
	int i, seed = -1;
	int num_procs = 3;
	int num_loops = 5000;
	int hash_size = 2;
	int c;
	extern char *optarg;
	pid_t *pids;

	struct tdb_logging_context log_ctx;
	log_ctx.log_fn = tdb_log;

	while ((c = getopt(argc, argv, "n:l:s:H:h")) != -1) {
		switch (c) {
		case 'n':
			num_procs = strtol(optarg, NULL, 0);
			break;
		case 'l':
			num_loops = strtol(optarg, NULL, 0);
			break;
		case 'H':
			hash_size = strtol(optarg, NULL, 0);
			break;
		case 's':
			seed = strtol(optarg, NULL, 0);
			break;
		default:
			usage();
		}
	}

	unlink("torture.tdb");

	pids = (pid_t *)calloc(sizeof(pid_t), num_procs);
	pids[0] = getpid();

	for (i=0;i<num_procs-1;i++) {
		if ((pids[i+1]=fork()) == 0) break;
	}

	db = tdb_open_ex("torture.tdb", hash_size, TDB_CLEAR_IF_FIRST, 
			 O_RDWR | O_CREAT, 0600, &log_ctx, NULL);
	if (!db) {
		fatal("db open failed");
	}

	if (seed == -1) {
		seed = (getpid() + time(NULL)) & 0x7FFFFFFF;
	}

	if (i == 0) {
		printf("testing with %d processes, %d loops, %d hash_size, seed=%d\n", 
		       num_procs, num_loops, hash_size, seed);
	}

	srand(seed + i);
	srandom(seed + i);

	for (i=0;i<num_loops && error_count == 0;i++) {
		addrec_db();
	}

	if (error_count == 0) {
		tdb_traverse_read(db, NULL, NULL);
		tdb_traverse(db, traverse_fn, NULL);
		tdb_traverse(db, traverse_fn, NULL);
	}

	tdb_close(db);

	if (getpid() != pids[0]) {
		return error_count;
	}

	for (i=1;i<num_procs;i++) {
		int status, j;
		pid_t pid;
		if (error_count != 0) {
			/* try and stop the test on any failure */
			for (j=1;j<num_procs;j++) {
				if (pids[j] != 0) {
					kill(pids[j], SIGTERM);
				}
			}
		}
		pid = waitpid(-1, &status, 0);
		if (pid == -1) {
			perror("failed to wait for child\n");
			exit(1);
		}
		for (j=1;j<num_procs;j++) {
			if (pids[j] == pid) break;
		}
		if (j == num_procs) {
			printf("unknown child %d exited!?\n", (int)pid);
			exit(1);
		}
		if (WEXITSTATUS(status) != 0) {
			printf("child %d exited with status %d\n",
			       (int)pid, WEXITSTATUS(status));
			error_count++;
		}
		pids[j] = 0;
	}

	if (error_count == 0) {
		printf("OK\n");
	}

	return error_count;
}