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Torture harder: random ops inside traverses.
author
Rusty Russell
<rusty@rustcorp.com.au>
Mon, 29 Jun 2009 11:40:35 +0000
(21:10 +0930)
committer
Rusty Russell
<rusty@rustcorp.com.au>
Mon, 29 Jun 2009 11:40:35 +0000
(21:10 +0930)
ccan/tdb/tools/tdbtorture.c
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diff --git
a/ccan/tdb/tools/tdbtorture.c
b/ccan/tdb/tools/tdbtorture.c
index 9bc799530851a239538d8ca5aeeb7725550ec184..986fbee196e8557aac9777e6d39d4e2edd83bfa1 100644
(file)
--- a/
ccan/tdb/tools/tdbtorture.c
+++ b/
ccan/tdb/tools/tdbtorture.c
@@
-25,12
+25,15
@@
#define LOCKSTORE_PROB 5
#define TRAVERSE_PROB 20
#define TRAVERSE_READ_PROB 20
#define LOCKSTORE_PROB 5
#define TRAVERSE_PROB 20
#define TRAVERSE_READ_PROB 20
+#define TRAVERSE_MOD_PROB 100
+#define TRAVERSE_ABORT_PROB 500
#define CULL_PROB 100
#define KEYLEN 3
#define DATALEN 100
static struct tdb_context *db;
static int in_transaction;
#define CULL_PROB 100
#define KEYLEN 3
#define DATALEN 100
static struct tdb_context *db;
static int in_transaction;
+static int in_traverse;
static int error_count;
#ifdef PRINTF_ATTRIBUTE
static int error_count;
#ifdef PRINTF_ATTRIBUTE
@@
-75,14
+78,27
@@
static char *randbuf(int len)
return buf;
}
return buf;
}
-static int cull_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
- void *state)
+static void addrec_db(void);
+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 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;
}
return 0;
}
@@
-105,14
+121,14
@@
static void addrec_db(void)
data.dsize = dlen+1;
#if TRANSACTION_PROB
data.dsize = dlen+1;
#if TRANSACTION_PROB
- if (in_transaction == 0 && random() % TRANSACTION_PROB == 0) {
+ if (in_tra
verse == 0 && in_tra
nsaction == 0 && random() % TRANSACTION_PROB == 0) {
if (tdb_transaction_start(db) != 0) {
fatal("tdb_transaction_start failed");
}
in_transaction++;
goto next;
}
if (tdb_transaction_start(db) != 0) {
fatal("tdb_transaction_start failed");
}
in_transaction++;
goto next;
}
- if (in_transaction && random() % TRANSACTION_PROB == 0) {
+ if (in_tra
verse == 0 && in_tra
nsaction && random() % TRANSACTION_PROB == 0) {
#if 0
if (random() % TRANSACTION_PREPARE_PROB == 0) {
if (tdb_transaction_prepare_commit(db) != 0) {
#if 0
if (random() % TRANSACTION_PREPARE_PROB == 0) {
if (tdb_transaction_prepare_commit(db) != 0) {
@@
-126,7
+142,7
@@
static void addrec_db(void)
in_transaction--;
goto next;
}
in_transaction--;
goto next;
}
- if (in_transaction && random() % TRANSACTION_PROB == 0) {
+ if (in_tra
verse == 0 && in_tra
nsaction && random() % TRANSACTION_PROB == 0) {
if (tdb_transaction_cancel(db) != 0) {
fatal("tdb_transaction_cancel failed");
}
if (tdb_transaction_cancel(db) != 0) {
fatal("tdb_transaction_cancel failed");
}
@@
-136,7
+152,7
@@
static void addrec_db(void)
#endif
#if REOPEN_PROB
#endif
#if REOPEN_PROB
- if (in_transaction == 0 && random() % REOPEN_PROB == 0) {
+ if (in_tra
verse == 0 && in_tra
nsaction == 0 && random() % REOPEN_PROB == 0) {
tdb_reopen_all(0);
goto next;
}
tdb_reopen_all(0);
goto next;
}
@@
-181,15
+197,20
@@
static void addrec_db(void)
#endif
#if TRAVERSE_PROB
#endif
#if TRAVERSE_PROB
- if (random() % TRAVERSE_PROB == 0) {
- tdb_traverse(db, cull_traverse, NULL);
+ /* FIXME: recursive traverses break transactions? */
+ if (in_traverse == 0 && random() % TRAVERSE_PROB == 0) {
+ in_traverse++;
+ tdb_traverse(db, modify_traverse, NULL);
+ in_traverse--;
goto next;
}
#endif
#if TRAVERSE_READ_PROB
goto next;
}
#endif
#if TRAVERSE_READ_PROB
- if (random() % TRAVERSE_READ_PROB == 0) {
+ if (in_traverse == 0 && random() % TRAVERSE_READ_PROB == 0) {
+ in_traverse++;
tdb_traverse_read(db, NULL, NULL);
tdb_traverse_read(db, NULL, NULL);
+ in_traverse--;
goto next;
}
#endif
goto next;
}
#endif