/*
* worker -- the work each thread performs
*/
void *
worker(void *arg)
{
long mytid = (long)arg;
unsigned myseed = Seed + mytid;
unsigned char buf[Bsize];
int ord = 1;
for (int i = 0; i < Nops; i++) {
off_t lba = rand_r(&myseed) % Nblock;
if (rand_r(&myseed) % 2) {
/* read */
if (pmemblk_read(Handle, buf, lba) < 0)
OUT("!read lba %zu", lba);
else
check(buf);
} else {
/* write */
construct(&ord, buf);
if (pmemblk_write(Handle, buf, lba) < 0)
OUT("!write lba %zu", lba);
}
}
return NULL;
}
/*
* blk_read -- read function for pmemblk
*/
static int
blk_read(struct blk_bench *bb, struct benchmark_args *ba,
struct blk_worker *bworker, off_t off)
{
if (pmemblk_read(bb->pbp, bworker->buff, off) < 0) {
perror("pmemblk_read");
return -1;
}
return 0;
}
int
main(int argc, char *argv[])
{
PMEMblkpool *pbp;
struct asset asset;
int assetid;
if (argc < 4) {
fprintf(stderr, "usage: %s assetdb asset-ID name\n", argv[0]);
exit(1);
}
const char *path = argv[1];
assetid = atoi(argv[2]);
/* open an array of atomically writable elements */
if ((pbp = pmemblk_open(path, sizeof (struct asset))) == NULL) {
perror("pmemblk_open");
exit(1);
}
/* read a required element in */
if (pmemblk_read(pbp, &asset, (off_t)assetid) < 0) {
perror("pmemblk_read");
exit(1);
}
/* check if it contains any data */
if ((asset.state != ASSET_FREE) &&
(asset.state != ASSET_CHECKED_OUT)) {
fprintf(stderr, "Asset ID %d not found", assetid);
exit(1);
}
if (asset.state == ASSET_CHECKED_OUT) {
fprintf(stderr, "Asset ID %d already checked out\n", assetid);
exit(1);
}
/* update user name, set checked out state, and take timestamp */
strncpy(asset.user, argv[3], ASSET_USER_NAME_MAX - 1);
asset.user[ASSET_USER_NAME_MAX - 1] = '\0';
asset.state = ASSET_CHECKED_OUT;
time(&asset.time);
/* put it back in the block */
if (pmemblk_write(pbp, &asset, assetid) < 0) {
perror("pmemblk_write");
exit(1);
}
pmemblk_close(pbp);
}
int
main(int argc, char *argv[])
{
PMEMblkpool *pbp;
int assetid;
size_t nelements;
struct asset asset;
if (argc < 2) {
fprintf(stderr, "usage: %s assetdb\n", argv[0]);
exit(1);
}
const char *path = argv[1];
/* open an array of atomically writable elements */
if ((pbp = pmemblk_open(path, sizeof(struct asset))) == NULL) {
perror(path);
exit(1);
}
/* how many elements do we have? */
nelements = pmemblk_nblock(pbp);
/* print out all the elements that contain assets data */
for (assetid = 0; assetid < nelements; ++assetid) {
if (pmemblk_read(pbp, &asset, assetid) < 0) {
perror("pmemblk_read");
exit(1);
}
if ((asset.state != ASSET_FREE) &&
(asset.state != ASSET_CHECKED_OUT)) {
break;
}
printf("Asset ID: %d\n", assetid);
if (asset.state == ASSET_FREE)
printf(" State: Free\n");
else {
printf(" State: Checked out\n");
printf(" User: %s\n", asset.user);
printf(" Time: %s", ctime(&asset.time));
}
printf(" Name: %s\n", asset.name);
}
pmemblk_close(pbp);
}
/*
* r_worker -- read worker function
*/
void *
r_worker(void *arg)
{
struct worker_info *my_info = arg;
unsigned char buf[my_info->block_size];
for (int i = 0; i < my_info->num_ops; i++) {
off_t lba = rand_r(&my_info->seed) % my_info->num_blocks;
/* read */
if (pmemblk_read(my_info->handle, buf, lba) < 0) {
warn("read lba %zu", lba);
}
}
return NULL;
}
int
main(int argc, char *argv[])
{
PMEMblkpool *pbp;
struct asset asset;
int assetid;
if (argc < 3) {
fprintf(stderr, "usage: %s assetdb asset-ID\n", argv[0]);
exit(1);
}
const char *path = argv[1];
assetid = atoi(argv[2]);
assert(assetid > 0);
/* open an array of atomically writable elements */
if ((pbp = pmemblk_open(path, sizeof(struct asset))) == NULL) {
perror("pmemblk_open");
exit(1);
}
/* read a required element in */
if (pmemblk_read(pbp, &asset, assetid) < 0) {
perror("pmemblk_read");
exit(1);
}
/* check if it contains any data */
if ((asset.state != ASSET_FREE) &&
(asset.state != ASSET_CHECKED_OUT)) {
fprintf(stderr, "Asset ID %d not found\n", assetid);
exit(1);
}
/* change state to free, clear user name and timestamp */
asset.state = ASSET_FREE;
asset.user[0] = '\0';
asset.time = 0;
if (pmemblk_write(pbp, &asset, assetid) < 0) {
perror("pmemblk_write");
exit(1);
}
pmemblk_close(pbp);
}
/*
* warmup_worker -- worker for the warm-up. Reads the whole
* calculated range of lba's. This is similar to the rf_worker.
*/
void *
warmup_worker(void *arg)
{
struct worker_info *my_info = arg;
unsigned long long blocks_in_lane = my_info->num_blocks
/ my_info->file_lanes;
off_t start_lba = my_info->thread_index * blocks_in_lane;
off_t stop_lba = (my_info->thread_index + 1) * blocks_in_lane;
unsigned char buf[my_info->block_size];
for (off_t lba = start_lba; lba < stop_lba; ++lba) {
if (pmemblk_read(my_info->handle, buf, lba) < 0) {
warn("read lba %zu", lba);
}
}
return NULL;
}
int
main(int argc, char *argv[])
{
START(argc, argv, "blk_non_zero");
if (argc < 5)
UT_FATAL("usage: %s bsize file func [file_size] op:lba...",
argv[0]);
int read_arg = 1;
Bsize = strtoul(argv[read_arg++], NULL, 0);
const char *path = argv[read_arg++];
PMEMblkpool *handle = NULL;
switch (*argv[read_arg++]) {
case 'c': {
size_t fsize = strtoul(argv[read_arg++], NULL, 0);
handle = pmemblk_create(path, Bsize, fsize,
S_IRUSR | S_IWUSR);
if (handle == NULL)
UT_FATAL("!%s: pmemblk_create", path);
break;
}
case 'o':
handle = pmemblk_open(path, Bsize);
if (handle == NULL)
UT_FATAL("!%s: pmemblk_open", path);
break;
default:
UT_FATAL("unrecognized command %s", argv[read_arg - 1]);
}
UT_OUT("%s block size %zu usable blocks %zu",
argv[1], Bsize, pmemblk_nblock(handle));
UT_OUT("is zeroed:\t%d", is_zeroed(path));
/* map each file argument with the given map type */
for (; read_arg < argc; read_arg++) {
if (strchr("rwze", argv[read_arg][0]) == NULL ||
argv[read_arg][1] != ':')
UT_FATAL("op must be r: or w: or z: or e:");
off_t lba = strtoul(&argv[read_arg][2], NULL, 0);
unsigned char buf[Bsize];
switch (argv[read_arg][0]) {
case 'r':
if (pmemblk_read(handle, buf, lba) < 0)
UT_OUT("!read lba %zu", lba);
else
UT_OUT("read lba %zu: %s", lba,
ident(buf));
break;
case 'w':
construct(buf);
if (pmemblk_write(handle, buf, lba) < 0)
UT_OUT("!write lba %zu", lba);
else
UT_OUT("write lba %zu: %s", lba,
ident(buf));
break;
case 'z':
if (pmemblk_set_zero(handle, lba) < 0)
UT_OUT("!set_zero lba %zu", lba);
else
UT_OUT("set_zero lba %zu", lba);
break;
case 'e':
if (pmemblk_set_error(handle, lba) < 0)
UT_OUT("!set_error lba %zu", lba);
else
UT_OUT("set_error lba %zu", lba);
break;
}
}
pmemblk_close(handle);
int result = pmemblk_check(path, Bsize);
if (result < 0)
UT_OUT("!%s: pmemblk_check", path);
else if (result == 0)
UT_OUT("%s: pmemblk_check: not consistent", path);
DONE(NULL);
}
int
main(int argc, char *argv[])
{
START(argc, argv, "blk_rw");
if (argc < 5)
FATAL("usage: %s bsize file func op:lba...", argv[0]);
Bsize = strtoul(argv[1], NULL, 0);
const char *path = argv[2];
PMEMblkpool *handle;
switch (*argv[3]) {
case 'c':
handle = pmemblk_create(path, Bsize, 0,
S_IWUSR | S_IRUSR);
if (handle == NULL)
FATAL("!%s: pmemblk_create", path);
break;
case 'o':
handle = pmemblk_open(path, Bsize);
if (handle == NULL)
FATAL("!%s: pmemblk_open", path);
break;
}
OUT("%s block size %zu usable blocks %zu",
argv[1], Bsize, pmemblk_nblock(handle));
/* map each file argument with the given map type */
for (int arg = 4; arg < argc; arg++) {
if (strchr("rwze", argv[arg][0]) == NULL || argv[arg][1] != ':')
FATAL("op must be r: or w: or z: or e:");
off_t lba = strtol(&argv[arg][2], NULL, 0);
unsigned char buf[Bsize];
switch (argv[arg][0]) {
case 'r':
if (pmemblk_read(handle, buf, lba) < 0)
OUT("!read lba %jd", lba);
else
OUT("read lba %jd: %s", lba, ident(buf));
break;
case 'w':
construct(buf);
if (pmemblk_write(handle, buf, lba) < 0)
OUT("!write lba %jd", lba);
else
OUT("write lba %jd: %s", lba, ident(buf));
break;
case 'z':
if (pmemblk_set_zero(handle, lba) < 0)
OUT("!set_zero lba %jd", lba);
else
OUT("set_zero lba %jd", lba);
break;
case 'e':
if (pmemblk_set_error(handle, lba) < 0)
OUT("!set_error lba %jd", lba);
else
OUT("set_error lba %jd", lba);
break;
}
}
pmemblk_close(handle);
int result = pmemblk_check(path, Bsize);
if (result < 0)
OUT("!%s: pmemblk_check", path);
else if (result == 0)
OUT("%s: pmemblk_check: not consistent", path);
DONE(NULL);
}