/*
* pmemlog_appendv -- add gathered data to a log memory pool
*/
int
pmemlog_appendv(PMEMlogpool *plp, const struct iovec *iov, int iovcnt)
{
PMEMobjpool *pop = (PMEMobjpool *)plp;
PMEMoid baseoid = pmemobj_root(pop, sizeof (struct base));
struct base *bp = pmemobj_direct(baseoid);
/* set the return point */
jmp_buf env;
if (setjmp(env)) {
/* end the transaction */
pmemobj_tx_end();
return 1;
}
/* begin a transaction, also acquiring the write lock for the log */
pmemobj_tx_begin(pop, env, TX_LOCK_RWLOCK, &bp->rwlock, TX_LOCK_NONE);
/* add the base object to the undo log - once for the transaction */
pmemobj_tx_add_range(baseoid, 0, sizeof (struct base));
/* add the tail entry once to the undo log, if it is set */
if (!OID_IS_NULL(bp->tail))
pmemobj_tx_add_range(bp->tail, 0, sizeof (struct log));
/* append the data */
for (int i = 0; i < iovcnt; ++i) {
char *buf = iov[i].iov_base;
size_t count = iov[i].iov_len;
/* allocate the new node to be inserted */
PMEMoid log = pmemobj_tx_alloc(count + sizeof (struct log_hdr),
LOG_TYPE);
struct log *logp = pmemobj_direct(log);
logp->hdr.size = count;
memcpy(logp->data, buf, count);
logp->hdr.next = OID_NULL;
if (bp->tail.off == 0) {
bp->head = log; /* update head */
} else {
((struct log *)pmemobj_direct(bp->tail))->hdr.next =
log;
}
bp->tail = log; /* update tail */
bp->bytes_written += count;
}
pmemobj_tx_commit();
pmemobj_tx_end();
return 0;
}
/*
* pmemlog_rewind -- discard all data, resetting a log memory pool to empty
*/
void
pmemlog_rewind(PMEMlogpool *plp)
{
PMEMobjpool *pop = (PMEMobjpool *)plp;
PMEMoid baseoid = pmemobj_root(pop, sizeof (struct base));
struct base *bp = pmemobj_direct(baseoid);
/* set the return point */
jmp_buf env;
if (setjmp(env)) {
/* end the transaction */
pmemobj_tx_end();
return;
}
/* begin a transaction, also acquiring the write lock for the log */
pmemobj_tx_begin(pop, env, TX_LOCK_RWLOCK, &bp->rwlock, TX_LOCK_NONE);
/* add the root object to the undo log */
pmemobj_tx_add_range(baseoid, 0, sizeof (struct base));
/* free all log nodes */
while (bp->head.off != 0) {
PMEMoid nextoid =
((struct log *)pmemobj_direct(bp->head))->hdr.next;
pmemobj_tx_free(bp->head);
bp->head = nextoid;
}
bp->head = OID_NULL;
bp->tail = OID_NULL;
bp->bytes_written = 0;
pmemobj_tx_commit();
pmemobj_tx_end();
}
/*
* pocli_pmemobj_tx_add_range -- pmemobj_tx_add_range() command
*/
static enum pocli_ret
pocli_pmemobj_tx_add_range(struct pocli_ctx *ctx, struct pocli_args *args)
{
if (args->argc != 4)
return POCLI_ERR_ARGS;
PMEMoid *oidp;
size_t offset = 0;
size_t size = 0;
enum pocli_ret ret;
ret = pocli_args_obj(ctx, args, 1, &oidp);
if (ret)
return ret;
if (oidp == NULL)
return pocli_err(ctx, POCLI_ERR_ARGS,
"cannot add NULL pointer\n");
ret = pocli_args_size(args, 2, &offset);
if (ret)
return ret;
ret = pocli_args_size(args, 3, &size);
if (ret)
return ret;
int r = pmemobj_tx_add_range(*oidp, offset, size);
if (r != POCLI_RET_OK)
return pocli_err(ctx, POCLI_ERR_ARGS,
"pmemobj_tx_add_range() failed");
pocli_printf(ctx, "%s(%s, %zu, %zu): %d\n", args->argv[0],
args->argv[1], offset, size, ret, r);
return ret;
}
/*
* pmemlog_append -- add data to a log memory pool
*/
int
pmemlog_append(PMEMlogpool *plp, const void *buf, size_t count)
{
PMEMobjpool *pop = (PMEMobjpool *)plp;
PMEMoid baseoid = pmemobj_root(pop, sizeof (struct base));
struct base *bp = pmemobj_direct(baseoid);
/* set the return point */
jmp_buf env;
if (setjmp(env)) {
/* end the transaction */
pmemobj_tx_end();
return 1;
}
/* begin a transaction, also acquiring the write lock for the log */
pmemobj_tx_begin(pop, env, TX_LOCK_RWLOCK, &bp->rwlock, TX_LOCK_NONE);
/* allocate the new node to be inserted */
PMEMoid log = pmemobj_tx_alloc(count + sizeof (struct log_hdr),
LOG_TYPE);
struct log *logp = pmemobj_direct(log);
logp->hdr.size = count;
memcpy(logp->data, buf, count);
logp->hdr.next = OID_NULL;
/* add the modified root object to the undo log */
pmemobj_tx_add_range(baseoid, 0, sizeof (struct base));
if (bp->tail.off == 0) {
/* update head */
bp->head = log;
} else {
/* add the modified tail entry to the undo log */
pmemobj_tx_add_range(bp->tail, 0, sizeof (struct log));
((struct log *)pmemobj_direct(bp->tail))->hdr.next = log;
}
bp->tail = log; /* update tail */
bp->bytes_written += count;
pmemobj_tx_commit();
pmemobj_tx_end();
return 0;
}
static void *
tx_snap(void *arg)
{
volatile int locked;
for (int i = 0; i < LOOPS; ++i) {
locked = 0;
TX_BEGIN(pop) {
pthread_mutex_lock(&mtx);
locked = 1;
if (!OID_IS_NULL(tab))
pmemobj_tx_add_range(tab, 0, 8);
} TX_ONCOMMIT {
if (locked)
pthread_mutex_unlock(&mtx);
} TX_ONABORT {
if (locked)
pthread_mutex_unlock(&mtx);
} TX_END
locked = 0;
}
return NULL;
}
int
main(int argc, char *argv[])
{
#ifdef _WIN32
wchar_t **wargv = CommandLineToArgvW(GetCommandLineW(), &argc);
for (int i = 0; i < argc; i++) {
argv[i] = util_toUTF8(wargv[i]);
if (argv[i] == NULL) {
for (i--; i >= 0; i--)
free(argv[i]);
fprintf(stderr, "Error during arguments conversion\n");
return 1;
}
}
#endif
int opt;
int tmpi;
long long tmpl;
int ret = 0;
size_t size = 0;
size_t root_size = 0;
unsigned type_num = 0;
char exit_at = '\0';
int do_set = 0;
int do_free = 0;
if (argc < 2) {
USAGE();
ret = 1;
goto end;
}
while ((opt = getopt(argc, argv, "r:o:t:e:sf")) != -1) {
switch (opt) {
case 'r':
tmpl = atoll(optarg);
if (tmpl < 0) {
USAGE();
ret = 1;
goto end;
}
root_size = (size_t)tmpl;
break;
case 'o':
tmpl = atoll(optarg);
if (tmpl < 0) {
USAGE();
ret = 1;
goto end;
}
size = (size_t)tmpl;
break;
case 't':
tmpi = atoi(optarg);
if (tmpi < 0) {
USAGE();
ret = 1;
goto end;
}
type_num = (unsigned)tmpi;
break;
case 'e':
exit_at = optarg[0];
break;
case 's':
do_set = 1;
break;
case 'f':
do_free = 1;
break;
default:
USAGE();
ret = 1;
goto end;
}
}
char *file = argv[optind];
PMEMobjpool *pop;
if ((pop = pmemobj_open(file, NULL)) == NULL) {
fprintf(stderr, "pmemobj_open: %s\n", pmemobj_errormsg());
ret = 1;
goto end;
}
if (root_size) {
PMEMoid oid = pmemobj_root(pop, root_size);
if (OID_IS_NULL(oid)) {
fprintf(stderr, "pmemobj_root: %s\n",
pmemobj_errormsg());
ret = 1;
goto end;
}
}
if (size) {
PMEMoid oid;
TX_BEGIN(pop) {
oid = pmemobj_tx_alloc(size, type_num);
if (exit_at == 'a')
exit(1);
} TX_END
if (OID_IS_NULL(oid)) {
fprintf(stderr, "pmemobj_tx_alloc: %s\n",
pmemobj_errormsg());
ret = 1;
goto end;
}
if (do_set) {
TX_BEGIN(pop) {
pmemobj_tx_add_range(oid, 0, size);
if (exit_at == 's')
exit(1);
} TX_END
}
if (do_free) {
TX_BEGIN(pop) {
pmemobj_tx_free(oid);
if (exit_at == 'f')
exit(1);
} TX_END
}
}
pmemobj_close(pop);
end:
#ifdef _WIN32
for (int i = argc; i > 0; i--)
free(argv[i - 1]);
#endif
return ret;
}
int
main(int argc, char *argv[])
{
int opt;
int tmpi;
long long tmpl;
size_t size = 0;
size_t root_size = 0;
unsigned int type_num = 0;
char exit_at = '\0';
int do_set = 0;
int do_free = 0;
if (argc < 2) {
USAGE();
return -1;
}
while ((opt = getopt(argc, argv, "r:o:t:e:sf")) != -1) {
switch (opt) {
case 'r':
tmpl = atoll(optarg);
if (tmpl < 0) {
USAGE();
return -1;
}
root_size = (size_t)tmpl;
break;
case 'o':
tmpl = atoll(optarg);
if (tmpl < 0) {
USAGE();
return -1;
}
size = (size_t)tmpl;
break;
case 't':
tmpi = atoi(optarg);
if (tmpi < 0) {
USAGE();
return -1;
}
type_num = (unsigned)tmpi;
break;
case 'e':
exit_at = optarg[0];
break;
case 's':
do_set = 1;
break;
case 'f':
do_free = 1;
break;
default:
USAGE();
return -1;
}
}
char *file = argv[optind];
PMEMobjpool *pop;
if ((pop = pmemobj_open(file, NULL)) == NULL) {
fprintf(stderr, "pmemobj_open: %s\n", pmemobj_errormsg());
return -1;
}
if (root_size) {
PMEMoid oid = pmemobj_root(pop, root_size);
if (OID_IS_NULL(oid)) {
fprintf(stderr, "pmemobj_root: %s\n",
pmemobj_errormsg());
return -1;
}
}
if (size) {
PMEMoid oid;
TX_BEGIN(pop) {
oid = pmemobj_tx_alloc(size, type_num);
if (exit_at == 'a')
exit(1);
} TX_END
if (OID_IS_NULL(oid)) {
fprintf(stderr, "pmemobj_tx_alloc: %s\n",
pmemobj_errormsg());
return -1;
}
if (do_set) {
TX_BEGIN(pop) {
pmemobj_tx_add_range(oid, 0, size);
if (exit_at == 's')
exit(1);
} TX_END
}
if (do_free) {
TX_BEGIN(pop) {
pmemobj_tx_free(oid);
if (exit_at == 'f')
exit(1);
} TX_END
}
}
pmemobj_close(pop);
return 0;
}