/*
* do_warmup -- do warmup by writing the whole pool area
*/
static int
do_warmup(struct log_bench *lb, size_t nops)
{
int ret = 0;
size_t bsize = lb->args->vec_size * lb->args->el_size;
char *buf = (char *)calloc(1, bsize);
if (!buf) {
perror("calloc");
return -1;
}
if (!lb->args->fileio) {
for (size_t i = 0; i < nops; i++) {
if (pmemlog_append(lb->plp, buf, lb->args->el_size) <
0) {
ret = -1;
perror("pmemlog_append");
goto out;
}
}
pmemlog_rewind(lb->plp);
} else {
for (size_t i = 0; i < nops; i++) {
if (write(lb->fd, buf, (unsigned)lb->args->el_size) !=
(ssize_t)lb->args->el_size) {
ret = -1;
perror("write");
close(lb->fd);
goto out;
}
}
lseek(lb->fd, 0, SEEK_SET);
}
out:
free(buf);
return ret;
}
int
main(int argc, char *argv[])
{
int opt;
int tflag = 0;
PMEMlogpool *plp;
while ((opt = getopt(argc, argv, "t")) != -1)
switch (opt) {
case 't':
tflag = 1;
break;
default:
fprintf(stderr, "usage: %s [-t] file\n", argv[0]);
exit(1);
}
if (optind >= argc) {
fprintf(stderr, "usage: %s [-t] file\n", argv[0]);
exit(1);
}
const char *path = argv[optind];
if ((plp = pmemlog_open(path)) == NULL) {
perror(path);
exit(1);
}
/* the rest of the work happens in printlog() above */
pmemlog_walk(plp, 0, printlog, NULL);
if (tflag)
pmemlog_rewind(plp);
pmemlog_close(plp);
}
int
main(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr, "usage: %s [o,c] file [val...]", argv[0]);
return 1;
}
PMEMlogpool *plp;
if (strncmp(argv[1], "c", 1) == 0) {
plp = pmemlog_create(argv[2], POOL_SIZE, S_IRUSR | S_IWUSR);
} else if (strncmp(argv[1], "o", 1) == 0) {
plp = pmemlog_open(argv[2]);
} else {
fprintf(stderr, "usage: %s [o,c] file [val...]", argv[0]);
return 1;
}
if (plp == NULL) {
perror("pmemlog_create/pmemlog_open");
return 1;
}
/* process the command line arguments */
for (int i = 3; i < argc; i++) {
switch (*argv[i]) {
case 'a': {
printf("append: %s\n", argv[i] + 2);
pmemlog_append(plp, argv[i] + 2,
strlen(argv[i] + 2));
break;
}
case 'v': {
printf("appendv: %s\n", argv[i] + 2);
int count = count_iovec(argv[i] + 2);
struct iovec *iov = malloc(count
* sizeof (struct iovec));
fill_iovec(iov, argv[i] + 2);
pmemlog_appendv(plp, iov, count);
free(iov);
break;
}
case 'r': {
printf("rewind\n");
pmemlog_rewind(plp);
break;
}
case 'w': {
printf("walk\n");
pmemlog_walk(plp, 0, process_chunk, NULL);
break;
}
case 'n': {
printf("nbytes: %zu\n", pmemlog_nbyte(plp));
break;
}
case 't': {
printf("offset: %ld\n", pmemlog_tell(plp));
break;
}
default: {
fprintf(stderr, "unrecognized command %s\n",
argv[i]);
break;
}
};
}
/* all done */
pmemlog_close(plp);
return 0;
}
