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lib/tdb: add -t (always use transactions) option to tdbtorture

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This means you can kill it at any time and expect no corruption.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

(cherry picked from samba commit 0fc6800005)

Signed-off-by: Stefan Metzmacher <metze@samba.org>

(This used to be ctdb commit f7278a277ed91587cae5b5e3660dad7124bdb73f)
This commit is contained in:
Rusty Russell 2009-10-22 00:10:54 +10:30 committed by Stefan Metzmacher
parent 8dcc760f1e
commit b52a06ffc6
1 changed files with 29 additions and 12 deletions
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41
ctdb/lib/tdb/tools/tdbtorture.c
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@ -28,6 +28,7 @@
static struct tdb_context *db;
static int in_transaction;
static int error_count;
static int always_transaction = 0;
#ifdef PRINTF_ATTRIBUTE
static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, const char *format, ...) PRINTF_ATTRIBUTE(3,4);
@ -103,8 +104,16 @@ static void addrec_db(void)
data.dptr = (unsigned char *)d;
data.dsize = dlen+1;
#if REOPEN_PROB
if (in_transaction == 0 && random() % REOPEN_PROB == 0) {
tdb_reopen_all(0);
goto next;
}
#endif
#if TRANSACTION_PROB
if (in_transaction == 0 && random() % TRANSACTION_PROB == 0) {
if (in_transaction == 0 &&
(always_transaction || random() % TRANSACTION_PROB == 0)) {
if (tdb_transaction_start(db) != 0) {
fatal("tdb_transaction_start failed");
}
@ -127,13 +136,6 @@ static void addrec_db(void)
}
#endif
#if REOPEN_PROB
if (in_transaction == 0 && random() % REOPEN_PROB == 0) {
tdb_reopen_all(0);
goto next;
}
#endif
#if DELETE_PROB
if (random() % DELETE_PROB == 0) {
tdb_delete(db, key);
@ -203,7 +205,7 @@ static int traverse_fn(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
static void usage(void)
{
printf("Usage: tdbtorture [-n NUM_PROCS] [-l NUM_LOOPS] [-s SEED] [-H HASH_SIZE]\n");
printf("Usage: tdbtorture [-t] [-n NUM_PROCS] [-l NUM_LOOPS] [-s SEED] [-H HASH_SIZE]\n");
exit(0);
}
@ -220,7 +222,7 @@ static void usage(void)
struct tdb_logging_context log_ctx;
log_ctx.log_fn = tdb_log;
while ((c = getopt(argc, argv, "n:l:s:H:h")) != -1) {
while ((c = getopt(argc, argv, "n:l:s:H:th")) != -1) {
switch (c) {
case 'n':
num_procs = strtol(optarg, NULL, 0);
@ -234,6 +236,9 @@ static void usage(void)
case 's':
seed = strtol(optarg, NULL, 0);
break;
case 't':
always_transaction = 1;
break;
default:
usage();
}
@ -259,8 +264,8 @@ static void usage(void)
}
if (i == 0) {
printf("testing with %d processes, %d loops, %d hash_size, seed=%d\n",
num_procs, num_loops, hash_size, seed);
printf("testing with %d processes, %d loops, %d hash_size, seed=%d%s\n",
num_procs, num_loops, hash_size, seed, always_transaction ? " (all within transactions)" : "");
}
srand(seed + i);
@ -272,8 +277,20 @@ static void usage(void)
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);