wmi-1.3.16 from opsview.com
This commit is contained in:
Are Casilla
@@ -0,0 +1,318 @@
|
||||
/* this tests tdb by doing lots of ops from several simultaneous
|
||||
writers - that stresses the locking code.
|
||||
*/
|
||||
|
||||
#include "replace.h"
|
||||
#include "tdb.h"
|
||||
#include "system/time.h"
|
||||
#include "system/wait.h"
|
||||
#include "system/filesys.h"
|
||||
|
||||
#ifdef HAVE_GETOPT_H
|
||||
#include <getopt.h>
|
||||
#endif
|
||||
|
||||
|
||||
#define REOPEN_PROB 30
|
||||
#define DELETE_PROB 8
|
||||
#define STORE_PROB 4
|
||||
#define APPEND_PROB 6
|
||||
#define TRANSACTION_PROB 10
|
||||
#define LOCKSTORE_PROB 5
|
||||
#define TRAVERSE_PROB 20
|
||||
#define TRAVERSE_READ_PROB 20
|
||||
#define CULL_PROB 100
|
||||
#define KEYLEN 3
|
||||
#define DATALEN 100
|
||||
|
||||
static struct tdb_context *db;
|
||||
static int in_transaction;
|
||||
static int error_count;
|
||||
|
||||
#ifdef PRINTF_ATTRIBUTE
|
||||
static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, const char *format, ...) PRINTF_ATTRIBUTE(3,4);
|
||||
#endif
|
||||
static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, const char *format, ...)
|
||||
{
|
||||
va_list ap;
|
||||
|
||||
error_count++;
|
||||
|
||||
va_start(ap, format);
|
||||
vfprintf(stdout, format, ap);
|
||||
va_end(ap);
|
||||
fflush(stdout);
|
||||
#if 0
|
||||
{
|
||||
char *ptr;
|
||||
asprintf(&ptr,"xterm -e gdb /proc/%d/exe %d", getpid(), getpid());
|
||||
system(ptr);
|
||||
free(ptr);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
static void fatal(const char *why)
|
||||
{
|
||||
perror(why);
|
||||
error_count++;
|
||||
}
|
||||
|
||||
static char *randbuf(int len)
|
||||
{
|
||||
char *buf;
|
||||
int i;
|
||||
buf = (char *)malloc(len+1);
|
||||
|
||||
for (i=0;i<len;i++) {
|
||||
buf[i] = 'a' + (rand() % 26);
|
||||
}
|
||||
buf[i] = 0;
|
||||
return buf;
|
||||
}
|
||||
|
||||
static int cull_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
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void addrec_db(void)
|
||||
{
|
||||
int klen, dlen;
|
||||
char *k, *d;
|
||||
TDB_DATA key, data;
|
||||
|
||||
klen = 1 + (rand() % KEYLEN);
|
||||
dlen = 1 + (rand() % DATALEN);
|
||||
|
||||
k = randbuf(klen);
|
||||
d = randbuf(dlen);
|
||||
|
||||
key.dptr = (unsigned char *)k;
|
||||
key.dsize = klen+1;
|
||||
|
||||
data.dptr = (unsigned char *)d;
|
||||
data.dsize = dlen+1;
|
||||
|
||||
#if TRANSACTION_PROB
|
||||
if (in_transaction == 0 && random() % TRANSACTION_PROB == 0) {
|
||||
if (tdb_transaction_start(db) != 0) {
|
||||
fatal("tdb_transaction_start failed");
|
||||
}
|
||||
in_transaction++;
|
||||
goto next;
|
||||
}
|
||||
if (in_transaction && random() % TRANSACTION_PROB == 0) {
|
||||
if (tdb_transaction_commit(db) != 0) {
|
||||
fatal("tdb_transaction_commit failed");
|
||||
}
|
||||
in_transaction--;
|
||||
goto next;
|
||||
}
|
||||
if (in_transaction && random() % TRANSACTION_PROB == 0) {
|
||||
if (tdb_transaction_cancel(db) != 0) {
|
||||
fatal("tdb_transaction_cancel failed");
|
||||
}
|
||||
in_transaction--;
|
||||
goto next;
|
||||
}
|
||||
#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);
|
||||
goto next;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if STORE_PROB
|
||||
if (random() % STORE_PROB == 0) {
|
||||
if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
|
||||
fatal("tdb_store failed");
|
||||
}
|
||||
goto next;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if APPEND_PROB
|
||||
if (random() % APPEND_PROB == 0) {
|
||||
if (tdb_append(db, key, data) != 0) {
|
||||
fatal("tdb_append failed");
|
||||
}
|
||||
goto next;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if LOCKSTORE_PROB
|
||||
if (random() % LOCKSTORE_PROB == 0) {
|
||||
tdb_chainlock(db, key);
|
||||
data = tdb_fetch(db, key);
|
||||
if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
|
||||
fatal("tdb_store failed");
|
||||
}
|
||||
if (data.dptr) free(data.dptr);
|
||||
tdb_chainunlock(db, key);
|
||||
goto next;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if TRAVERSE_PROB
|
||||
if (random() % TRAVERSE_PROB == 0) {
|
||||
tdb_traverse(db, cull_traverse, NULL);
|
||||
goto next;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if TRAVERSE_READ_PROB
|
||||
if (random() % TRAVERSE_READ_PROB == 0) {
|
||||
tdb_traverse_read(db, NULL, NULL);
|
||||
goto next;
|
||||
}
|
||||
#endif
|
||||
|
||||
data = tdb_fetch(db, key);
|
||||
if (data.dptr) free(data.dptr);
|
||||
|
||||
next:
|
||||
free(k);
|
||||
free(d);
|
||||
}
|
||||
|
||||
static int traverse_fn(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
|
||||
void *state)
|
||||
{
|
||||
tdb_delete(tdb, key);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void usage(void)
|
||||
{
|
||||
printf("Usage: tdbtorture [-n NUM_PROCS] [-l NUM_LOOPS] [-s SEED] [-H HASH_SIZE]\n");
|
||||
exit(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 = 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;
|
||||
}
|
||||
Reference in New Issue
Block a user