diff --git a/src/rrd_create.c b/src/rrd_create.c
index 3b57c9f4d270f71ff37a3547d7fe99ea749781f9..9ee68961b4ad6e3755fb1bf56f7d9ab85554bc1d 100644 (file)
--- a/src/rrd_create.c
+++ b/src/rrd_create.c
const char *def,
rrd_t *rrd,
int ds_idx);
const char *def,
rrd_t *rrd,
int ds_idx);
+long int rra_random_row(
+ rra_def_t *);
static void rrd_free2(
rrd_t *rrd); /* our onwn copy, immmune to mmap */
static void rrd_free2(
rrd_t *rrd); /* our onwn copy, immmune to mmap */
rrd_t *rrd)
{
unsigned long i, ii;
rrd_t *rrd)
{
unsigned long i, ii;
+ int rrd_file;
rrd_value_t *unknown;
int unkn_cnt;
rrd_file_t *rrd_file_dn;
rrd_t rrd_dn;
rrd_value_t *unknown;
int unkn_cnt;
rrd_file_t *rrd_file_dn;
rrd_t rrd_dn;
- unsigned rrd_flags = RRD_READWRITE | RRD_CREAT;
+ unsigned flags = O_WRONLY | O_CREAT | O_TRUNC;
- if ((rrd_file_dn = rrd_open(file_name, rrd, rrd_flags)) == NULL) {
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+ flags |= O_BINARY;
+#endif
+
+ if ((rrd_file = open(file_name, flags, 0666)) < 0) {
rrd_set_error("creating '%s': %s", file_name, rrd_strerror(errno));
rrd_free2(rrd);
return (-1);
}
rrd_set_error("creating '%s': %s", file_name, rrd_strerror(errno));
rrd_free2(rrd);
return (-1);
}
- rrd_write(rrd_file_dn, rrd->stat_head, sizeof(stat_head_t));
+ write(rrd_file, rrd->stat_head, sizeof(stat_head_t));
- rrd_write(rrd_file_dn, rrd->ds_def, sizeof(ds_def_t) * rrd->stat_head->ds_cnt);
+ write(rrd_file, rrd->ds_def, sizeof(ds_def_t) * rrd->stat_head->ds_cnt);
- rrd_write(rrd_file_dn, rrd->rra_def,
+ write(rrd_file, rrd->rra_def,
sizeof(rra_def_t) * rrd->stat_head->rra_cnt);
sizeof(rra_def_t) * rrd->stat_head->rra_cnt);
- rrd_write(rrd_file_dn, rrd->live_head, sizeof(live_head_t));
+ write(rrd_file, rrd->live_head, sizeof(live_head_t));
if ((rrd->pdp_prep = calloc(1, sizeof(pdp_prep_t))) == NULL) {
rrd_set_error("allocating pdp_prep");
rrd_free2(rrd);
if ((rrd->pdp_prep = calloc(1, sizeof(pdp_prep_t))) == NULL) {
rrd_set_error("allocating pdp_prep");
rrd_free2(rrd);
- rrd_close(rrd_file_dn);
+ close(rrd_file);
return (-1);
}
return (-1);
}
rrd->live_head->last_up % rrd->stat_head->pdp_step;
for (i = 0; i < rrd->stat_head->ds_cnt; i++)
rrd->live_head->last_up % rrd->stat_head->pdp_step;
for (i = 0; i < rrd->stat_head->ds_cnt; i++)
- rrd_write(rrd_file_dn, rrd->pdp_prep, sizeof(pdp_prep_t));
+ write(rrd_file, rrd->pdp_prep, sizeof(pdp_prep_t));
if ((rrd->cdp_prep = calloc(1, sizeof(cdp_prep_t))) == NULL) {
rrd_set_error("allocating cdp_prep");
rrd_free2(rrd);
if ((rrd->cdp_prep = calloc(1, sizeof(cdp_prep_t))) == NULL) {
rrd_set_error("allocating cdp_prep");
rrd_free2(rrd);
- rrd_close(rrd_file_dn);
+ close(rrd_file);
return (-1);
}
return (-1);
}
}
for (ii = 0; ii < rrd->stat_head->ds_cnt; ii++) {
}
for (ii = 0; ii < rrd->stat_head->ds_cnt; ii++) {
- rrd_write(rrd_file_dn, rrd->cdp_prep, sizeof(cdp_prep_t));
+ write(rrd_file, rrd->cdp_prep, sizeof(cdp_prep_t));
}
}
}
}
if ((rrd->rra_ptr = calloc(1, sizeof(rra_ptr_t))) == NULL) {
rrd_set_error("allocating rra_ptr");
rrd_free2(rrd);
if ((rrd->rra_ptr = calloc(1, sizeof(rra_ptr_t))) == NULL) {
rrd_set_error("allocating rra_ptr");
rrd_free2(rrd);
- rrd_close(rrd_file_dn);
+ close(rrd_file);
return (-1);
}
return (-1);
}
* would occur for cur_row = 1 because rrd_update increments
* the pointer a priori. */
for (i = 0; i < rrd->stat_head->rra_cnt; i++) {
* would occur for cur_row = 1 because rrd_update increments
* the pointer a priori. */
for (i = 0; i < rrd->stat_head->rra_cnt; i++) {
- rrd->rra_ptr->cur_row = rrd_select_initial_row(rrd_file_dn, i, &rrd->rra_def[i]);
- rrd_write(rrd_file_dn, rrd->rra_ptr, sizeof(rra_ptr_t));
+ rrd->rra_ptr->cur_row = rra_random_row(&rrd->rra_def[i]);
+ write(rrd_file, rrd->rra_ptr, sizeof(rra_ptr_t));
}
/* write the empty data area */
if ((unknown = (rrd_value_t *) malloc(512 * sizeof(rrd_value_t))) == NULL) {
rrd_set_error("allocating unknown");
rrd_free2(rrd);
}
/* write the empty data area */
if ((unknown = (rrd_value_t *) malloc(512 * sizeof(rrd_value_t))) == NULL) {
rrd_set_error("allocating unknown");
rrd_free2(rrd);
- rrd_close(rrd_file_dn);
+ close(rrd_file);
return (-1);
}
for (i = 0; i < 512; ++i)
return (-1);
}
for (i = 0; i < 512; ++i)
unkn_cnt += rrd->stat_head->ds_cnt * rrd->rra_def[i].row_cnt;
while (unkn_cnt > 0) {
unkn_cnt += rrd->stat_head->ds_cnt * rrd->rra_def[i].row_cnt;
while (unkn_cnt > 0) {
- if(rrd_write(rrd_file_dn, unknown, sizeof(rrd_value_t) * min(unkn_cnt, 512)) < 0)
- {
- rrd_set_error("creating rrd: %s", rrd_strerror(errno));
- return -1;
- }
+ write(rrd_file, unknown, sizeof(rrd_value_t) * min(unkn_cnt, 512));
unkn_cnt -= 512;
}
free(unknown);
unkn_cnt -= 512;
}
free(unknown);
+ fdatasync(rrd_file);
rrd_free2(rrd);
rrd_free2(rrd);
- if (rrd_close(rrd_file_dn) == -1) {
+ if (close(rrd_file) == -1) {
rrd_set_error("creating rrd: %s", rrd_strerror(errno));
return -1;
}
/* flush all we don't need out of the cache */
rrd_set_error("creating rrd: %s", rrd_strerror(errno));
return -1;
}
/* flush all we don't need out of the cache */
- if((rrd_file_dn = rrd_open(file_name, &rrd_dn, RRD_READONLY)) != NULL)
- {
- rrd_dontneed(rrd_file_dn, &rrd_dn);
- /* rrd_free(&rrd_dn); */
- rrd_close(rrd_file_dn);
- }
+ rrd_file_dn = rrd_open(file_name, &rrd_dn, RRD_READONLY);
+ rrd_dontneed(rrd_file_dn, &rrd_dn);
+ rrd_free(&rrd_dn);
+ rrd_close(rrd_file_dn);
return (0);
}
return (0);
}
free(rrd->rrd_value);
}
free(rrd->rrd_value);
}
+static int rand_init = 0;
+
+long int rra_random_row(
+ rra_def_t *rra)
+{
+ if (!rand_init) {
+ srandom((unsigned int) time(NULL) + (unsigned int) getpid());
+ rand_init++;
+ }
+
+ return random() % rra->row_cnt;
+}