int
main(int argc, char **argv)
{
RRD_PLUGIN *plugin;
int rc;
if (argc != 1) {
fprintf(stderr, "usage: %s\n", basename(argv[0]));
exit(1);
}
plugin = rrd_open("rrdtest", RRD_LOCAL_DOMAIN, "rrdtest.rrd");
assert(plugin);
src[0].name = "first";
src[0].description = "description";
src[0].owner = RRD_HOST;
src[0].owner_uuid = "4cc1f2e0-5405-11e6-8c2f-572fc76ac144";
src[0].rrd_units = "points";
src[0].scale = RRD_GAUGE;
src[0].type = RRD_INT64;
src[0].min = "-inf";
src[0].max = "inf";
src[0].rrd_default = 1;
src[0].sample = sample;
src[0].userdata = &src[0];
printf("adding source: %s\n", src[0].name);
rrd_add_src(plugin, &src[0]);
rc = rrd_sample(plugin, NULL);
assert(rc == RRD_OK);
src[1].name = "second";
src[1].description = "description";
src[1].owner = RRD_HOST;
src[1].owner_uuid = "e8969702-5414-11e6-8cf5-47824be728c3";
src[1].rrd_units = "points";
src[1].scale = RRD_ABSOLUTE;
src[1].type = RRD_INT64;
src[1].min = "-inf";
src[1].max = "inf";
src[1].rrd_default = 1;
src[1].sample = sample;
src[1].userdata = &src[1];
printf("adding source: %s\n", src[1].name);
rrd_add_src(plugin, &src[1]);
rc = rrd_sample(plugin, NULL);
assert(rc == RRD_OK);
printf("removing source: %s\n", src[0].name);
rrd_del_src(plugin, &src[0]);
rc = rrd_sample(plugin, NULL);
assert(rc == RRD_OK);
printf("removing source: %s\n", src[1].name);
rrd_del_src(plugin, &src[1]);
rrd_close(plugin);
return 0;
}
time_t rrd_last_r(
const char *filename)
{
time_t lastup = -1;
rrd_file_t *rrd_file;
rrd_t rrd;
rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
if (rrd_file != NULL) {
lastup = rrd.live_head->last_up;
rrd_close(rrd_file);
}
rrd_free(&rrd);
return (lastup);
}
time_t rrd_first_r(
const char *filename,
const int rraindex)
{
off_t rra_start, timer;
time_t then = -1;
rrd_t rrd;
rrd_file_t *rrd_file;
rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
if (rrd_file == NULL) {
goto err_free;
}
if ((rraindex < 0) || (rraindex >= (int) rrd.stat_head->rra_cnt)) {
rrd_set_error("invalid rraindex number");
goto err_close;
}
rra_start = rrd_file->header_len;
rrd_seek(rrd_file,
(rra_start +
(rrd.rra_ptr[rraindex].cur_row + 1) *
rrd.stat_head->ds_cnt * sizeof(rrd_value_t)), SEEK_SET);
timer = -(long)(rrd.rra_def[rraindex].row_cnt - 1);
if (rrd.rra_ptr[rraindex].cur_row + 1 > rrd.rra_def[rraindex].row_cnt) {
rrd_seek(rrd_file, rra_start, SEEK_SET);
}
then = (rrd.live_head->last_up -
rrd.live_head->last_up %
(rrd.rra_def[rraindex].pdp_cnt * rrd.stat_head->pdp_step)) +
(timer * rrd.rra_def[rraindex].pdp_cnt * rrd.stat_head->pdp_step);
err_close:
rrd_close(rrd_file);
err_free:
rrd_free(&rrd);
return (then);
}
int rrd_create_fn(const char *file_name, rrd_t *rrd)
{
unsigned long i, ii;
rrd_value_t *unknown;
int unkn_cnt;
rrd_file_t *rrd_file_dn;
rrd_t rrd_dn;
unsigned rrd_flags = RRD_READWRITE | RRD_CREAT;
int ret = 0;
if (opt_no_overwrite) {
rrd_flags |= RRD_EXCL ;
}
unkn_cnt = 0;
for (i = 0; i < rrd->stat_head->rra_cnt; i++)
unkn_cnt += rrd->stat_head->ds_cnt * rrd->rra_def[i].row_cnt;
if ((rrd_file_dn = rrd_open(file_name, rrd, rrd_flags, &ret)) == NULL) {
rrd_free2(rrd);
return ret;
}
if (rrd_write(rrd_file_dn, rrd->stat_head, sizeof(stat_head_t)) < 0){
rrd_free2(rrd);
rrd_close(rrd_file_dn);
return (-RRD_ERR_WRITE5);
}
rrd_write(rrd_file_dn, rrd->ds_def, sizeof(ds_def_t) * rrd->stat_head->ds_cnt);
rrd_write(rrd_file_dn, rrd->rra_def,
sizeof(rra_def_t) * rrd->stat_head->rra_cnt);
rrd_write(rrd_file_dn, rrd->live_head, sizeof(live_head_t));
if ((rrd->pdp_prep = (pdp_prep_t*)calloc(1, sizeof(pdp_prep_t))) == NULL) {
rrd_free2(rrd);
rrd_close(rrd_file_dn);
return (-RRD_ERR_ALLOC);
}
strcpy(rrd->pdp_prep->last_ds, "U");
rrd->pdp_prep->scratch[PDP_val].u_val = 0.0;
rrd->pdp_prep->scratch[PDP_unkn_sec_cnt].u_cnt =
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));
if ((rrd->cdp_prep = (cdp_prep_t*)calloc(1, sizeof(cdp_prep_t))) == NULL) {
rrd_free2(rrd);
rrd_close(rrd_file_dn);
return (-RRD_ERR_ALLOC);
}
for (i = 0; i < rrd->stat_head->rra_cnt; i++) {
switch (cf_conv(rrd->rra_def[i].cf_nam)) {
case CF_HWPREDICT:
case CF_MHWPREDICT:
init_hwpredict_cdp(rrd->cdp_prep);
break;
case CF_SEASONAL:
case CF_DEVSEASONAL:
init_seasonal_cdp(rrd->cdp_prep);
break;
case CF_FAILURES:
/* initialize violation history to 0 */
for (ii = 0; ii < MAX_CDP_PAR_EN; ii++) {
/* We can zero everything out, by setting u_val to the
* NULL address. Each array entry in scratch is 8 bytes
* (a double), but u_cnt only accessed 4 bytes (long) */
rrd->cdp_prep->scratch[ii].u_val = 0.0;
}
break;
default:
/* can not be zero because we don't know anything ... */
rrd->cdp_prep->scratch[CDP_val].u_val = DNAN;
/* startup missing pdp count */
rrd->cdp_prep->scratch[CDP_unkn_pdp_cnt].u_cnt =
((rrd->live_head->last_up -
rrd->pdp_prep->scratch[PDP_unkn_sec_cnt].u_cnt)
% (rrd->stat_head->pdp_step
* rrd->rra_def[i].pdp_cnt)) / rrd->stat_head->pdp_step;
break;
}
for (ii = 0; ii < rrd->stat_head->ds_cnt; ii++) {
rrd_write(rrd_file_dn, rrd->cdp_prep, sizeof(cdp_prep_t));
}
}
/* now, we must make sure that the rest of the rrd
struct is properly initialized */
if ((rrd->rra_ptr = (rra_ptr_t*)calloc(1, sizeof(rra_ptr_t))) == NULL) {
rrd_free2(rrd);
rrd_close(rrd_file_dn);
return -RRD_ERR_ALLOC;
}
/* changed this initialization to be consistent with
* rrd_restore. With the old value (0), the first update
* 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));
}
/* write the empty data area */
if ((unknown = (rrd_value_t *) malloc(512 * sizeof(rrd_value_t))) == NULL) {
rrd_free2(rrd);
rrd_close(rrd_file_dn);
return -RRD_ERR_ALLOC;
}
for (i = 0; i < 512; ++i)
unknown[i] = DNAN;
while (unkn_cnt > 0) {
if(rrd_write(rrd_file_dn, unknown, sizeof(rrd_value_t) * min(unkn_cnt, 512)) < 0)
{
return -RRD_ERR_CREATE_WRITE;
}
unkn_cnt -= 512;
}
free(unknown);
rrd_free2(rrd);
if (rrd_close(rrd_file_dn) == -1) {
return -RRD_ERR_CREATE_WRITE;
}
/* flush all we don't need out of the cache */
rrd_init(&rrd_dn);
if((rrd_file_dn = rrd_open(file_name, &rrd_dn, RRD_READONLY, &ret)) != NULL)
{
rrd_dontneed(rrd_file_dn, &rrd_dn);
/* rrd_free(&rrd_dn); */
rrd_close(rrd_file_dn);
}
return ret;
}
int rrd_dump_cb_r(
const char *filename,
int opt_header,
rrd_output_callback_t cb,
void *user)
{
unsigned int i, ii, ix, iii = 0;
time_t now;
char somestring[255];
rrd_value_t my_cdp;
off_t rra_base, rra_start, rra_next;
rrd_file_t *rrd_file;
rrd_t rrd;
rrd_value_t value;
struct tm tm;
//These two macros are local defines to clean up visible code from its redndancy
//and make it easier to read.
#define CB_PUTS(str) \
do { \
size_t len = strlen(str); \
\
if (cb((str), len, user) != len) \
goto err_out; \
} while (0);
#define CB_FMTS(...) do { \
char buffer[256]; \
rrd_snprintf (buffer, sizeof(buffer), __VA_ARGS__); \
CB_PUTS (buffer); \
} while (0)
//These macros are to be undefined at the end of this function
//Check if we got a (valid) callback method
if (!cb) {
return (-1);
}
rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY | RRD_READAHEAD);
if (rrd_file == NULL) {
rrd_free(&rrd);
return (-1);
}
if (opt_header == 1) {
CB_PUTS("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
CB_PUTS("<!DOCTYPE rrd SYSTEM \"http://oss.oetiker.ch/rrdtool/rrdtool.dtd\">\n");
CB_PUTS("<!-- Round Robin Database Dump -->\n");
CB_PUTS("<rrd>\n");
} else if (opt_header == 2) {
CB_PUTS("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
CB_PUTS("<!-- Round Robin Database Dump -->\n");
CB_PUTS("<rrd xmlns=\"http://oss.oetiker.ch/rrdtool/rrdtool-dump.xml\" "
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n");
CB_PUTS("\txsi:schemaLocation=\"http://oss.oetiker.ch/rrdtool/rrdtool-dump.xml "
"http://oss.oetiker.ch/rrdtool/rrdtool-dump.xsd\">\n");
} else {
CB_PUTS("<!-- Round Robin Database Dump -->\n");
CB_PUTS("<rrd>\n");
}
if (atoi(rrd.stat_head->version) <= 3) {
CB_FMTS("\t<version>%s</version>\n", RRD_VERSION3);
} else {
CB_FMTS("\t<version>%s</version>\n", rrd.stat_head->version);
}
CB_FMTS("\t<step>%lu</step> <!-- Seconds -->\n",
rrd.stat_head->pdp_step);
#ifdef HAVE_STRFTIME
localtime_r(&rrd.live_head->last_up, &tm);
strftime(somestring, 255, "%Y-%m-%d %H:%M:%S %Z", &tm);
#else
# error "Need strftime"
#endif
CB_FMTS("\t<lastupdate>%lld</lastupdate> <!-- %s -->\n\n",
(long long int) rrd.live_head->last_up, somestring);
for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
CB_PUTS("\t<ds>\n");
CB_FMTS("\t\t<name> %s </name>\n", rrd.ds_def[i].ds_nam);
CB_FMTS("\t\t<type> %s </type>\n", rrd.ds_def[i].dst);
if (dst_conv(rrd.ds_def[i].dst) != DST_CDEF) {
CB_FMTS("\t\t<minimal_heartbeat>%lu</minimal_heartbeat>\n",
rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt);
if (isnan(rrd.ds_def[i].par[DS_min_val].u_val)) {
CB_PUTS("\t\t<min>NaN</min>\n");
} else {
CB_FMTS("\t\t<min>%0.10e</min>\n",
rrd.ds_def[i].par[DS_min_val].u_val);
}
if (isnan(rrd.ds_def[i].par[DS_max_val].u_val)) {
CB_PUTS("\t\t<max>NaN</max>\n");
} else {
CB_FMTS("\t\t<max>%0.10e</max>\n",
rrd.ds_def[i].par[DS_max_val].u_val);
}
} else { /* DST_CDEF */
char *str = NULL;
rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
rrd.ds_def, &str);
//Splitting into 3 writes to avoid allocating memory
//This is better compared to snprintf as str may be of arbitrary size
CB_PUTS("\t\t<cdef> ");
CB_PUTS(str);
CB_PUTS(" </cdef>\n");
free(str);
}
CB_PUTS("\n\t\t<!-- PDP Status -->\n");
CB_FMTS("\t\t<last_ds>%s</last_ds>\n",
rrd.pdp_prep[i].last_ds);
if (isnan(rrd.pdp_prep[i].scratch[PDP_val].u_val)) {
CB_PUTS("\t\t<value>NaN</value>\n");
} else {
CB_FMTS("\t\t<value>%0.10e</value>\n",
rrd.pdp_prep[i].scratch[PDP_val].u_val);
}
CB_FMTS("\t\t<unknown_sec> %lu </unknown_sec>\n",
rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt);
CB_PUTS("\t</ds>\n\n");
}
CB_PUTS("\t<!-- Round Robin Archives -->\n");
rra_base = rrd_file->header_len;
rra_next = rra_base;
for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
long timer = 0;
rra_start = rra_next;
rra_next += (rrd.stat_head->ds_cnt
* rrd.rra_def[i].row_cnt * sizeof(rrd_value_t));
CB_PUTS("\t<rra>\n");
CB_FMTS("\t\t<cf>%s</cf>\n", rrd.rra_def[i].cf_nam);
CB_FMTS("\t\t<pdp_per_row>%lu</pdp_per_row> <!-- %lu seconds -->\n\n",
rrd.rra_def[i].pdp_cnt,
rrd.rra_def[i].pdp_cnt * rrd.stat_head->pdp_step);
/* support for RRA parameters */
CB_PUTS("\t\t<params>\n");
switch (cf_conv(rrd.rra_def[i].cf_nam)) {
case CF_HWPREDICT:
case CF_MHWPREDICT:
CB_FMTS("\t\t<hw_alpha>%0.10e</hw_alpha>\n",
rrd.rra_def[i].par[RRA_hw_alpha].u_val);
CB_FMTS("\t\t<hw_beta>%0.10e</hw_beta>\n",
rrd.rra_def[i].par[RRA_hw_beta].u_val);
CB_FMTS("\t\t<dependent_rra_idx>%lu</dependent_rra_idx>\n",
rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
break;
case CF_SEASONAL:
case CF_DEVSEASONAL:
CB_FMTS("\t\t<seasonal_gamma>%0.10e</seasonal_gamma>\n",
rrd.rra_def[i].par[RRA_seasonal_gamma].u_val);
CB_FMTS("\t\t<seasonal_smooth_idx>%lu</seasonal_smooth_idx>\n",
rrd.rra_def[i].par[RRA_seasonal_smooth_idx].u_cnt);
if (atoi(rrd.stat_head->version) >= 4) {
CB_FMTS("\t\t<smoothing_window>%0.10e</smoothing_window>\n",
rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val);
}
CB_FMTS("\t\t<dependent_rra_idx>%lu</dependent_rra_idx>\n",
rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
break;
case CF_FAILURES:
CB_FMTS("\t\t<delta_pos>%0.10e</delta_pos>\n",
rrd.rra_def[i].par[RRA_delta_pos].u_val);
CB_FMTS("\t\t<delta_neg>%0.10e</delta_neg>\n",
rrd.rra_def[i].par[RRA_delta_neg].u_val);
CB_FMTS("\t\t<window_len>%lu</window_len>\n",
rrd.rra_def[i].par[RRA_window_len].u_cnt);
CB_FMTS("\t\t<failure_threshold>%lu</failure_threshold>\n",
rrd.rra_def[i].par[RRA_failure_threshold].u_cnt);
/* fall thru */
case CF_DEVPREDICT:
CB_FMTS("\t\t<dependent_rra_idx>%lu</dependent_rra_idx>\n",
rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
break;
case CF_AVERAGE:
case CF_MAXIMUM:
case CF_MINIMUM:
case CF_LAST:
default:
CB_FMTS("\t\t<xff>%0.10e</xff>\n",
rrd.rra_def[i].par[RRA_cdp_xff_val].u_val);
break;
}
CB_PUTS("\t\t</params>\n");
CB_PUTS("\t\t<cdp_prep>\n");
for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
unsigned long ivalue;
CB_PUTS("\t\t\t<ds>\n");
/* support for exporting all CDP parameters */
/* parameters common to all CFs */
/* primary_val and secondary_val do not need to be saved between updates
* so strictly speaking they could be omitted.
* However, they can be useful for diagnostic purposes, so are included here. */
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_primary_val].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<primary_value>NaN</primary_value>\n");
} else {
CB_FMTS("\t\t\t<primary_value>%0.10e</primary_value>\n", value);
}
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_secondary_val].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<secondary_value>NaN</secondary_value>\n");
} else {
CB_FMTS("\t\t\t<secondary_value>%0.10e</secondary_value>\n", value);
}
switch (cf_conv(rrd.rra_def[i].cf_nam)) {
case CF_HWPREDICT:
case CF_MHWPREDICT:
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_hw_intercept].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<intercept>NaN</intercept>\n");
} else {
CB_FMTS("\t\t\t<intercept>%0.10e</intercept>\n", value);
}
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_hw_last_intercept].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<last_intercept>NaN</last_intercept>\n");
} else {
CB_FMTS("\t\t\t<last_intercept>%0.10e</last_intercept>\n", value);
}
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_hw_slope].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<slope>NaN</slope>\n");
} else {
CB_FMTS("\t\t\t<slope>%0.10e</slope>\n", value);
}
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_hw_last_slope].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<last_slope>NaN</last_slope>\n");
} else {
CB_FMTS("\t\t\t<last_slope>%0.10e</last_slope>\n", value);
}
ivalue = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_null_count].u_cnt;
CB_FMTS("\t\t\t<nan_count>%lu</nan_count>\n", ivalue);
ivalue = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_last_null_count].u_cnt;
CB_FMTS("\t\t\t<last_nan_count>%lu</last_nan_count>\n", ivalue);
break;
case CF_SEASONAL:
case CF_DEVSEASONAL:
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_hw_seasonal].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<seasonal>NaN</seasonal>\n");
} else {
CB_FMTS("\t\t\t<seasonal>%0.10e</seasonal>\n", value);
}
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_hw_last_seasonal].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<last_seasonal>NaN</last_seasonal>\n");
} else {
CB_FMTS("\t\t\t<last_seasonal>%0.10e</last_seasonal>\n", value);
}
ivalue = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_init_seasonal].u_cnt;
CB_FMTS("\t\t\t<init_flag>%lu</init_flag>\n", ivalue);
break;
case CF_DEVPREDICT:
break;
case CF_FAILURES:
{
unsigned short vidx;
char *violations_array = (char *) ((void *)
rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].scratch);
CB_PUTS("\t\t\t<history>");
for (vidx = 0;
vidx < rrd.rra_def[i].par[RRA_window_len].u_cnt;
++vidx) {
CB_FMTS("%d", violations_array[vidx]);
}
CB_PUTS("</history>\n");
}
break;
case CF_AVERAGE:
case CF_MAXIMUM:
case CF_MINIMUM:
case CF_LAST:
default:
value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].scratch[CDP_val].u_val;
if (isnan(value)) {
CB_PUTS("\t\t\t<value>NaN</value>\n");
} else {
CB_FMTS("\t\t\t<value>%0.10e</value>\n", value);
}
CB_FMTS("\t\t\t<unknown_datapoints>%lu</unknown_datapoints>\n",
rrd.cdp_prep[i * rrd.stat_head->ds_cnt + ii].
scratch[CDP_unkn_pdp_cnt].u_cnt);
break;
}
CB_PUTS("\t\t\t</ds>\n");
}
CB_PUTS("\t\t</cdp_prep>\n");
CB_PUTS("\t\t<database>\n");
rrd_seek(rrd_file, (rra_start + (rrd.rra_ptr[i].cur_row + 1)
* rrd.stat_head->ds_cnt
* sizeof(rrd_value_t)), SEEK_SET);
timer = -(long)(rrd.rra_def[i].row_cnt - 1);
ii = rrd.rra_ptr[i].cur_row;
for (ix = 0; ix < rrd.rra_def[i].row_cnt; ix++) {
ii++;
if (ii >= rrd.rra_def[i].row_cnt) {
rrd_seek(rrd_file, rra_start, SEEK_SET);
ii = 0; /* wrap if max row cnt is reached */
}
now = (rrd.live_head->last_up
- rrd.live_head->last_up
% (rrd.rra_def[i].pdp_cnt * rrd.stat_head->pdp_step))
+ (timer * rrd.rra_def[i].pdp_cnt * rrd.stat_head->pdp_step);
timer++;
#if HAVE_STRFTIME
localtime_r(&now, &tm);
strftime(somestring, 255, "%Y-%m-%d %H:%M:%S %Z", &tm);
#else
# error "Need strftime"
#endif
CB_FMTS("\t\t\t<!-- %s / %lld --> <row>", somestring, (long long int) now);
for (iii = 0; iii < rrd.stat_head->ds_cnt; iii++) {
rrd_read(rrd_file, &my_cdp, sizeof(rrd_value_t) * 1);
if (isnan(my_cdp)) {
CB_PUTS("<v>NaN</v>");
} else {
CB_FMTS("<v>%0.10e</v>", my_cdp);
}
}
CB_PUTS("</row>\n");
}
CB_PUTS("\t\t</database>\n\t</rra>\n");
}
CB_PUTS("</rrd>\n");
rrd_free(&rrd);
return rrd_close(rrd_file);
err_out:
rrd_set_error("error writing output file: %s", rrd_strerror(errno));
rrd_free(&rrd);
rrd_close(rrd_file);
return (-1);
//Undefining the previously defined shortcuts
//See start of this function
#undef CB_PUTS
#undef CB_FMTS
//End of macro undefining
}
int rrd_tune(
int argc,
char **argv)
{
rrd_t rrd;
int matches;
int optcnt = 0;
long ds;
char ds_nam[DS_NAM_SIZE];
char ds_new[DS_NAM_SIZE];
long heartbeat;
double min = 0;
double max = 0;
char dst[DST_SIZE];
int rc = -1;
int opt_newstep = -1;
rrd_file_t *rrd_file = NULL;
char *opt_daemon = NULL;
char double_str[ 12 ];
const char *in_filename = NULL;
struct option long_options[] = {
{"heartbeat", required_argument, 0, 'h'},
{"minimum", required_argument, 0, 'i'},
{"maximum", required_argument, 0, 'a'},
{"data-source-type", required_argument, 0, 'd'},
{"data-source-rename", required_argument, 0, 'r'},
/* added parameter tuning options for aberrant behavior detection */
{"deltapos", required_argument, 0, 'p'},
{"deltaneg", required_argument, 0, 'n'},
{"window-length", required_argument, 0, 'w'},
{"failure-threshold", required_argument, 0, 'f'},
{"alpha", required_argument, 0, 'x'},
{"beta", required_argument, 0, 'y'},
{"gamma", required_argument, 0, 'z'},
{"gamma-deviation", required_argument, 0, 'v'},
{"smoothing-window", required_argument, 0, 's'},
{"smoothing-window-deviation", required_argument, 0, 'S'},
{"aberrant-reset", required_argument, 0, 'b'},
// integration of rrd_modify functionality.
{"step", required_argument, 0, 't'},
/* unfortunately, '-d' is already taken */
{"daemon", required_argument, 0, 'D'},
{0, 0, 0, 0}
};
optind = 0;
opterr = 0; /* initialize getopt */
/* before we open the input RRD, we should flush it from any caching
daemon, because we might totally rewrite it later on */
/* for this, we FIRST have to find the daemon, this means we must parse options twice... */
while (1) {
int option_index = 0;
int opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:v:b:",
long_options, &option_index);
if (opt == EOF)
break;
switch (opt) {
case 'D':
if (opt_daemon != NULL)
free (opt_daemon);
opt_daemon = strdup (optarg);
if (opt_daemon == NULL)
{
rrd_set_error ("strdup failed.");
return (-1);
}
break;
default:
break;
}
}
// connect to daemon (will take care of environment variable automatically)
if (rrdc_connect(opt_daemon) != 0) {
rrd_set_error("Cannot connect to daemon");
return 1;
}
if (opt_daemon) {
free(opt_daemon);
opt_daemon = NULL;
}
if (optind < 0 || optind >= argc) {
// missing file name...
rrd_set_error("missing file name");
goto done;
}
/* NOTE: getopt_long reorders argv and places all NON option arguments to
the back, starting with optind. This means the file name has travelled to
argv[optind] */
in_filename = argv[optind];
if (rrdc_is_any_connected()) {
// is it a good idea to just ignore the error ????
rrdc_flush(in_filename);
rrd_clear_error();
}
optind = 0;
opterr = 0; /* re-initialize getopt */
rrd_init(&rrd);
rrd_file = rrd_open(in_filename, &rrd, RRD_READWRITE | RRD_READAHEAD | RRD_READVALUES);
if (rrd_file == NULL) {
goto done;
}
while (1) {
int option_index = 0;
int opt;
unsigned int strtod_ret_val;
opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:v:b:",
long_options, &option_index);
if (opt == EOF)
break;
optcnt++;
switch (opt) {
case 'h':
if ((matches =
sscanf(optarg, DS_NAM_FMT ":%ld", ds_nam,
&heartbeat)) != 2) {
rrd_set_error("invalid arguments for heartbeat");
goto done;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
goto done;
}
rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
break;
case 'i':
matches = sscanf(optarg, DS_NAM_FMT ":%[0-9.e+-]", ds_nam, double_str);
if( matches >= 1 ) {
strtod_ret_val = rrd_strtodbl( double_str, NULL, &min, NULL );
}
if ((matches < 1) || (strtod_ret_val != 2)) {
rrd_set_error("invalid arguments for minimum ds value");
goto done;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
goto done;
}
if (matches == 1)
min = DNAN;
rrd.ds_def[ds].par[DS_min_val].u_val = min;
break;
case 'a':
matches = sscanf(optarg, DS_NAM_FMT ":%[0-9.e+-]", ds_nam, double_str);
if( matches >= 1 ) {
strtod_ret_val = rrd_strtodbl( double_str, NULL, &max, NULL );
}
if ((matches < 1 ) || (strtod_ret_val != 2)) {
rrd_set_error("invalid arguments for maximum ds value");
goto done;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
goto done;
}
if (matches == 1)
max = DNAN;
rrd.ds_def[ds].par[DS_max_val].u_val = max;
break;
case 'd':
if ((matches =
sscanf(optarg, DS_NAM_FMT ":" DST_FMT, ds_nam, dst)) != 2) {
rrd_set_error("invalid arguments for data source type");
goto done;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
goto done;
}
if ((int) dst_conv(dst) == -1) {
goto done;
}
/* only reset when something is changed */
if (strncmp(rrd.ds_def[ds].dst, dst, DST_SIZE - 1) != 0) {
strncpy(rrd.ds_def[ds].dst, dst, DST_SIZE - 1);
rrd.ds_def[ds].dst[DST_SIZE - 1] = '\0';
rrd.pdp_prep[ds].last_ds[0] = 'U';
rrd.pdp_prep[ds].last_ds[1] = 'N';
rrd.pdp_prep[ds].last_ds[2] = 'K';
rrd.pdp_prep[ds].last_ds[3] = 'N';
rrd.pdp_prep[ds].last_ds[4] = '\0';
}
break;
case 'r':
if ((matches =
sscanf(optarg, DS_NAM_FMT ":" DS_NAM_FMT, ds_nam,
ds_new)) != 2) {
rrd_set_error("invalid arguments for data source type");
goto done;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
goto done;
}
strncpy(rrd.ds_def[ds].ds_nam, ds_new, DS_NAM_SIZE - 1);
rrd.ds_def[ds].ds_nam[DS_NAM_SIZE - 1] = '\0';
break;
case 'p':
if (set_deltaarg(&rrd, RRA_delta_pos, optarg)) {
goto done;
}
break;
case 'n':
if (set_deltaarg(&rrd, RRA_delta_neg, optarg)) {
goto done;
}
break;
case 'f':
if (set_windowarg(&rrd, RRA_failure_threshold, optarg)) {
goto done;
}
break;
case 'w':
if (set_windowarg(&rrd, RRA_window_len, optarg)) {
goto done;
}
break;
case 'x':
if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_alpha, optarg)) {
if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_alpha, optarg)) {
goto done;
}
rrd_clear_error();
}
break;
case 'y':
if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_beta, optarg)) {
if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_beta, optarg)) {
goto done;
}
rrd_clear_error();
}
break;
case 'z':
if (set_hwarg(&rrd, CF_SEASONAL, RRA_seasonal_gamma, optarg)) {
goto done;
}
break;
case 'v':
if (set_hwarg(&rrd, CF_DEVSEASONAL, RRA_seasonal_gamma, optarg)) {
goto done;
}
break;
case 'b':
if (sscanf(optarg, DS_NAM_FMT, ds_nam) != 1) {
rrd_set_error("invalid argument for aberrant-reset");
goto done;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
/* ds_match handles it own errors */
goto done;
}
reset_aberrant_coefficients(&rrd, rrd_file, (unsigned long) ds);
if (rrd_test_error()) {
goto done;
}
break;
case 's':
if (atoi(rrd.stat_head->version) < atoi(RRD_VERSION4)) {
strcpy(rrd.stat_head->version, RRD_VERSION4); /* smoothing_window causes Version 4 */
}
if (set_hwsmootharg
(&rrd, CF_SEASONAL, RRA_seasonal_smoothing_window, optarg)) {
goto done;
}
break;
case 'S':
if (atoi(rrd.stat_head->version) < atoi(RRD_VERSION4)) {
strcpy(rrd.stat_head->version, RRD_VERSION4); /* smoothing_window causes Version 4 */
}
if (set_hwsmootharg
(&rrd, CF_DEVSEASONAL, RRA_seasonal_smoothing_window,
optarg)) {
goto done;
}
break;
case 't':
opt_newstep = atoi(optarg);
break;
case 'D':
// ignore, handled in previous argv parsing round
break;
case '?':
if (optopt != 0)
rrd_set_error("unknown option '%c'", optopt);
else
rrd_set_error("unknown option '%s'", argv[optind - 1]);
goto done;
}
}
if (optcnt > 0) {
rrd_seek(rrd_file, 0, SEEK_SET);
rrd_write(rrd_file, rrd.stat_head, sizeof(stat_head_t) * 1);
rrd_write(rrd_file, rrd.ds_def,
sizeof(ds_def_t) * rrd.stat_head->ds_cnt);
/* need to write rra_defs for RRA parameter changes */
rrd_write(rrd_file, rrd.rra_def,
sizeof(rra_def_t) * rrd.stat_head->rra_cnt);
}
if (optind >= argc) {
int i;
for (i = 0; i < (int) rrd.stat_head->ds_cnt; i++)
if (dst_conv(rrd.ds_def[i].dst) != DST_CDEF) {
printf("DS[%s] typ: %s\thbt: %ld\tmin: %1.4f\tmax: %1.4f\n",
rrd.ds_def[i].ds_nam,
rrd.ds_def[i].dst,
rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt,
rrd.ds_def[i].par[DS_min_val].u_val,
rrd.ds_def[i].par[DS_max_val].u_val);
} else {
char *buffer = NULL;
rpn_compact2str((rpn_cdefds_t *) &
(rrd.ds_def[i].par[DS_cdef]), rrd.ds_def,
&buffer);
printf("DS[%s] typ: %s\tcdef: %s\n", rrd.ds_def[i].ds_nam,
rrd.ds_def[i].dst, buffer);
if (buffer) free(buffer);
}
}
optind = handle_modify(&rrd, in_filename, argc, argv, optind + 1, opt_newstep);
if (optind < 0) {
goto done;
}
rc = 0;
done:
if (in_filename && rrdc_is_any_connected()) {
// save any errors....
char *e = strdup(rrd_get_error());
// is it a good idea to just ignore the error ????
rrdc_forget(in_filename);
rrd_clear_error();
if (e && *e) {
rrd_set_error(e);
}
if (e) free(e);
}
if (rrd_file) {
rrd_close(rrd_file);
}
rrd_free(&rrd);
return rc;
}
rrd_info_t *rrd_info_r(
const char *filename)
{
unsigned int i, ii = 0;
rrd_t rrd;
rrd_info_t *data = NULL, *cd;
rrd_infoval_t info;
rrd_file_t *rrd_file;
enum cf_en current_cf;
enum dst_en current_ds;
rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
if (rrd_file == NULL)
goto err_free;
info.u_str = filename;
cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
data = cd;
info.u_str = rrd.stat_head->version;
cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
info.u_cnt = rrd.stat_head->pdp_step;
cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
info.u_cnt = rrd.live_head->last_up;
cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
info.u_cnt = rrd_get_header_size(&rrd);
cd = rrd_info_push(cd, sprintf_alloc("header_size"), RD_I_CNT, info);
for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
info.u_cnt=i;
cd= rrd_info_push(cd,sprintf_alloc("ds[%s].index",
rrd.ds_def[i].ds_nam),
RD_I_CNT, info);
info.u_str = rrd.ds_def[i].dst;
cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
rrd.ds_def[i].ds_nam),
RD_I_STR, info);
current_ds = dst_conv(rrd.ds_def[i].dst);
switch (current_ds) {
case DST_CDEF:
{
char *buffer = NULL;
rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
rrd.ds_def, &buffer);
info.u_str = buffer;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].cdef",
rrd.ds_def[i].ds_nam), RD_I_STR,
info);
free(buffer);
}
break;
default:
info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].minimal_heartbeat",
rrd.ds_def[i].ds_nam), RD_I_CNT,
info);
info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].min",
rrd.ds_def[i].ds_nam), RD_I_VAL,
info);
info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].max",
rrd.ds_def[i].ds_nam), RD_I_VAL,
info);
break;
}
info.u_str = rrd.pdp_prep[i].last_ds;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].last_ds",
rrd.ds_def[i].ds_nam), RD_I_STR,
info);
info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].value",
rrd.ds_def[i].ds_nam), RD_I_VAL,
info);
info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
cd = rrd_info_push(cd,
sprintf_alloc("ds[%s].unknown_sec",
rrd.ds_def[i].ds_nam), RD_I_CNT,
info);
}
for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
info.u_str = rrd.rra_def[i].cf_nam;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
info);
current_cf = cf_conv(rrd.rra_def[i].cf_nam);
info.u_cnt = rrd.rra_def[i].row_cnt;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
info);
info.u_cnt = rrd.rra_ptr[i].cur_row;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
info);
info.u_cnt = rrd.rra_def[i].pdp_cnt;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
RD_I_CNT, info);
switch (current_cf) {
case CF_HWPREDICT:
case CF_MHWPREDICT:
info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
RD_I_VAL, info);
info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
info);
break;
case CF_SEASONAL:
case CF_DEVSEASONAL:
info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
RD_I_VAL, info);
if (atoi(rrd.stat_head->version) >= 4) {
info.u_val =
rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
cd = rrd_info_push(cd,
sprintf_alloc("rra[%d].smoothing_window",
i), RD_I_VAL, info);
}
break;
case CF_FAILURES:
info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
RD_I_VAL, info);
info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
RD_I_VAL, info);
info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
cd = rrd_info_push(cd,
sprintf_alloc("rra[%d].failure_threshold", i),
RD_I_CNT, info);
info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
RD_I_CNT, info);
break;
case CF_DEVPREDICT:
break;
default:
info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
info);
break;
}
for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
switch (current_cf) {
case CF_HWPREDICT:
case CF_MHWPREDICT:
info.u_val =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_hw_intercept].u_val;
cd = rrd_info_push(cd,
sprintf_alloc
("rra[%d].cdp_prep[%d].intercept", i, ii),
RD_I_VAL, info);
info.u_val =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_hw_slope].u_val;
cd = rrd_info_push(cd,
sprintf_alloc("rra[%d].cdp_prep[%d].slope",
i, ii), RD_I_VAL, info);
info.u_cnt =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_null_count].u_cnt;
cd = rrd_info_push(cd,
sprintf_alloc
("rra[%d].cdp_prep[%d].NaN_count", i, ii),
RD_I_CNT, info);
break;
case CF_SEASONAL:
info.u_val =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_hw_seasonal].u_val;
cd = rrd_info_push(cd,
sprintf_alloc
("rra[%d].cdp_prep[%d].seasonal", i, ii),
RD_I_VAL, info);
break;
case CF_DEVSEASONAL:
info.u_val =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_seasonal_deviation].u_val;
cd = rrd_info_push(cd,
sprintf_alloc
("rra[%d].cdp_prep[%d].deviation", i, ii),
RD_I_VAL, info);
break;
case CF_DEVPREDICT:
break;
case CF_FAILURES:
{
unsigned short j;
char *violations_array;
char history[MAX_FAILURES_WINDOW_LEN + 1];
violations_array =
(char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch;
for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
history[j] = (violations_array[j] == 1) ? '1' : '0';
history[j] = '\0';
info.u_str = history;
cd = rrd_info_push(cd,
sprintf_alloc
("rra[%d].cdp_prep[%d].history", i, ii),
RD_I_STR, info);
}
break;
default:
info.u_val =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_val].u_val;
cd = rrd_info_push(cd,
sprintf_alloc("rra[%d].cdp_prep[%d].value",
i, ii), RD_I_VAL, info);
info.u_cnt =
rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
cd = rrd_info_push(cd,
sprintf_alloc
("rra[%d].cdp_prep[%d].unknown_datapoints",
i, ii), RD_I_CNT, info);
break;
}
}
}
rrd_close(rrd_file);
err_free:
rrd_free(&rrd);
return (data);
}
int rrd_fetch_fn(
const char *filename, /* name of the rrd */
enum cf_en cf_idx, /* which consolidation function ? */
time_t *start,
time_t *end, /* which time frame do you want ?
* will be changed to represent reality */
unsigned long *step, /* which stepsize do you want?
* will be changed to represent reality */
unsigned long *ds_cnt, /* number of data sources in file */
char ***ds_namv, /* names of data_sources */
rrd_value_t **data)
{ /* two dimensional array containing the data */
long i, ii;
time_t cal_start, cal_end, rra_start_time, rra_end_time;
long best_full_rra = 0, best_part_rra = 0, chosen_rra =
0, rra_pointer = 0;
long best_full_step_diff = 0, best_part_step_diff =
0, tmp_step_diff = 0, tmp_match = 0, best_match = 0;
long full_match, rra_base;
off_t start_offset, end_offset;
int first_full = 1;
int first_part = 1;
rrd_t rrd;
rrd_file_t *rrd_file;
rrd_value_t *data_ptr;
unsigned long rows;
#ifdef DEBUG
fprintf(stderr, "Entered rrd_fetch_fn() searching for the best match\n");
fprintf(stderr, "Looking for: start %10lu end %10lu step %5lu\n",
*start, *end, *step);
#endif
#ifdef HAVE_LIBDBI
/* handle libdbi datasources */
if (strncmp("sql//",filename,5)==0 || strncmp("sql||",filename,5)==0) {
return rrd_fetch_fn_libdbi(filename,cf_idx,start,end,step,ds_cnt,ds_namv,data);
}
#endif
rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
if (rrd_file == NULL)
goto err_free;
/* when was the really last update of this file ? */
if (((*ds_namv) =
(char **) malloc(rrd.stat_head->ds_cnt * sizeof(char *))) == NULL) {
rrd_set_error("malloc fetch ds_namv array");
goto err_close;
}
for (i = 0; (unsigned long) i < rrd.stat_head->ds_cnt; i++) {
if ((((*ds_namv)[i]) = (char*)malloc(sizeof(char) * DS_NAM_SIZE)) == NULL) {
rrd_set_error("malloc fetch ds_namv entry");
goto err_free_ds_namv;
}
strncpy((*ds_namv)[i], rrd.ds_def[i].ds_nam, DS_NAM_SIZE - 1);
(*ds_namv)[i][DS_NAM_SIZE - 1] = '\0';
}
/* find the rra which best matches the requirements */
for (i = 0; (unsigned) i < rrd.stat_head->rra_cnt; i++) {
enum cf_en rratype=cf_conv(rrd.rra_def[i].cf_nam);
/* handle this RRA */
if (
/* if we found a direct match */
(rratype == cf_idx)
||
/*if we found a DS with interval 1
and CF (requested,available) are MIN,MAX,AVERAGE,LAST
*/
(
/* only if we are on interval 1 */
(rrd.rra_def[i].pdp_cnt==1)
&& (
/* and requested CF is MIN,MAX,AVERAGE,LAST */
(cf_idx == CF_MINIMUM)
||(cf_idx == CF_MAXIMUM)
||(cf_idx == CF_AVERAGE)
||(cf_idx == CF_LAST)
)
&& (
/* and found CF is MIN,MAX,AVERAGE,LAST */
(rratype == CF_MINIMUM)
||(rratype == CF_MAXIMUM)
||(rratype == CF_AVERAGE)
||(rratype == CF_LAST)
)
)
){
cal_end = (rrd.live_head->last_up - (rrd.live_head->last_up
% (rrd.rra_def[i].pdp_cnt
*
rrd.stat_head->
pdp_step)));
cal_start =
(cal_end -
(rrd.rra_def[i].pdp_cnt * rrd.rra_def[i].row_cnt *
rrd.stat_head->pdp_step));
full_match = *end - *start;
#ifdef DEBUG
fprintf(stderr, "Considering: start %10lu end %10lu step %5lu ",
cal_start, cal_end,
rrd.stat_head->pdp_step * rrd.rra_def[i].pdp_cnt);
#endif
/* we need step difference in either full or partial case */
tmp_step_diff = labs(*step - (rrd.stat_head->pdp_step
* rrd.rra_def[i].pdp_cnt));
/* best full match */
if (cal_start <= *start) {
if (first_full || (tmp_step_diff < best_full_step_diff)) {
first_full = 0;
best_full_step_diff = tmp_step_diff;
best_full_rra = i;
#ifdef DEBUG
fprintf(stderr, "best full match so far\n");
} else {
fprintf(stderr, "full match, not best\n");
#endif
}
} else {
/* best partial match */
tmp_match = full_match;
if (cal_start > *start)
tmp_match -= (cal_start - *start);
if (first_part ||
(best_match < tmp_match) ||
(best_match == tmp_match &&
tmp_step_diff < best_part_step_diff)) {
#ifdef DEBUG
fprintf(stderr, "best partial so far\n");
#endif
first_part = 0;
best_match = tmp_match;
best_part_step_diff = tmp_step_diff;
best_part_rra = i;
} else {
#ifdef DEBUG
fprintf(stderr, "partial match, not best\n");
#endif
}
}
}
}
/* lets see how the matching went. */
if (first_full == 0)
chosen_rra = best_full_rra;
else if (first_part == 0)
chosen_rra = best_part_rra;
else {
rrd_set_error
("the RRD does not contain an RRA matching the chosen CF");
goto err_free_all_ds_namv;
}
/* set the wish parameters to their real values */
*step = rrd.stat_head->pdp_step * rrd.rra_def[chosen_rra].pdp_cnt;
*start -= (*start % *step);
*end += (*step - *end % *step);
rows = (*end - *start) / *step + 1;
#ifdef DEBUG
fprintf(stderr,
"We found: start %10lu end %10lu step %5lu rows %lu\n",
*start, *end, *step, rows);
#endif
/* Start and end are now multiples of the step size. The amount of
** steps we want is (end-start)/step and *not* an extra one.
** Reasoning: if step is s and we want to graph from t to t+s,
** we need exactly ((t+s)-t)/s rows. The row to collect from the
** database is the one with time stamp (t+s) which means t to t+s.
*/
*ds_cnt = rrd.stat_head->ds_cnt;
if (((*data) = (rrd_value_t*)malloc(*ds_cnt * rows * sizeof(rrd_value_t))) == NULL) {
rrd_set_error("malloc fetch data area");
goto err_free_all_ds_namv;
}
data_ptr = (*data);
/* find base address of rra */
rra_base = rrd_file->header_len;
for (i = 0; i < chosen_rra; i++)
rra_base += (*ds_cnt * rrd.rra_def[i].row_cnt * sizeof(rrd_value_t));
/* find start and end offset */
rra_end_time = (rrd.live_head->last_up
- (rrd.live_head->last_up % *step));
rra_start_time = (rra_end_time
- (*step * (rrd.rra_def[chosen_rra].row_cnt - 1)));
/* here's an error by one if we don't be careful */
start_offset = ((long long)*start + (long long)*step - (long long)rra_start_time) / (long long) *step;
end_offset = ((long long)rra_end_time - (long long)*end) / (long long) *step;
#ifdef DEBUG
fprintf(stderr,
"start %10lu step %10lu rra_start %lld, rra_end %lld, start_off %lld, end_off %lld\n",
*start, *step,(long long)rra_start_time, (long long)rra_end_time, (long long)start_offset, (long long)end_offset);
#endif
/* only seek if the start time is before the end time */
if (*start <= rra_end_time && *end >= rra_start_time - (off_t)*step ){
if (start_offset <= 0)
rra_pointer = rrd.rra_ptr[chosen_rra].cur_row + 1;
else
rra_pointer = rrd.rra_ptr[chosen_rra].cur_row + 1 + start_offset;
rra_pointer = rra_pointer % (signed) rrd.rra_def[chosen_rra].row_cnt;
if (rrd_seek(rrd_file, (rra_base + (rra_pointer * (*ds_cnt)
* sizeof(rrd_value_t))),
SEEK_SET) != 0) {
rrd_set_error("seek error in RRA");
goto err_free_data;
}
#ifdef DEBUG
fprintf(stderr, "First Seek: rra_base %lu rra_pointer %lu\n",
rra_base, rra_pointer);
#endif
}
/* step trough the array */
for (i = start_offset;
i < (signed) rrd.rra_def[chosen_rra].row_cnt - end_offset; i++) {
/* no valid data yet */
if (i < 0) {
#ifdef DEBUG
fprintf(stderr, "pre fetch %li -- ", i);
#endif
for (ii = 0; (unsigned) ii < *ds_cnt; ii++) {
*(data_ptr++) = DNAN;
#ifdef DEBUG
fprintf(stderr, "%10.2f ", *(data_ptr - 1));
#endif
}
}
/* past the valid data area */
else if (i >= (signed) rrd.rra_def[chosen_rra].row_cnt) {
#ifdef DEBUG
fprintf(stderr, "past fetch %li -- ", i);
#endif
for (ii = 0; (unsigned) ii < *ds_cnt; ii++) {
*(data_ptr++) = DNAN;
#ifdef DEBUG
fprintf(stderr, "%10.2f ", *(data_ptr - 1));
#endif
}
} else {
/* OK we are inside the valid area but the pointer has to
* be wrapped*/
if (rra_pointer >= (signed) rrd.rra_def[chosen_rra].row_cnt) {
rra_pointer -= rrd.rra_def[chosen_rra].row_cnt;
if (rrd_seek(rrd_file, (rra_base + rra_pointer * (*ds_cnt)
* sizeof(rrd_value_t)),
SEEK_SET) != 0) {
rrd_set_error("wrap seek in RRA did fail");
goto err_free_data;
}
#ifdef DEBUG
fprintf(stderr, "wrap seek ...\n");
#endif
}
if (rrd_read(rrd_file, data_ptr, sizeof(rrd_value_t) * (*ds_cnt))
!= (ssize_t) (sizeof(rrd_value_t) * (*ds_cnt))) {
rrd_set_error("fetching cdp from rra");
goto err_free_data;
}
#ifdef DEBUG
fprintf(stderr, "post fetch %li -- ", i);
for (ii = 0; ii < *ds_cnt; ii++)
fprintf(stderr, "%10.2f ", *(data_ptr + ii));
#endif
data_ptr += *ds_cnt;
rra_pointer++;
}
#ifdef DEBUG
fprintf(stderr, "\n");
#endif
}
rrd_close(rrd_file);
rrd_free(&rrd);
return (0);
err_free_data:
free(*data);
*data = NULL;
err_free_all_ds_namv:
for (i = 0; (unsigned long) i < rrd.stat_head->ds_cnt; ++i)
free((*ds_namv)[i]);
err_free_ds_namv:
free(*ds_namv);
err_close:
rrd_close(rrd_file);
err_free:
rrd_free(&rrd);
return (-1);
}
int rrd_lastupdate_r(const char *filename,
time_t *ret_last_update,
unsigned long *ret_ds_count,
char ***ret_ds_names,
char ***ret_last_ds)
{
unsigned long i = 0;
rrd_t rrd;
rrd_file_t *rrd_file;
rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
if (rrd_file == NULL) {
rrd_free(&rrd);
return (-1);
}
*ret_last_update = rrd.live_head->last_up;
*ret_ds_count = rrd.stat_head->ds_cnt;
*ret_ds_names = (char **) malloc (rrd.stat_head->ds_cnt * sizeof(char *));
if (*ret_ds_names == NULL) {
rrd_set_error ("malloc fetch ret_ds_names array");
rrd_close (rrd_file);
rrd_free (&rrd);
return (-1);
}
memset (*ret_ds_names, 0, rrd.stat_head->ds_cnt * sizeof(char *));
*ret_last_ds = (char **) malloc (rrd.stat_head->ds_cnt * sizeof(char *));
if (*ret_last_ds == NULL) {
rrd_set_error ("malloc fetch ret_last_ds array");
free (*ret_ds_names);
*ret_ds_names = NULL;
rrd_close (rrd_file);
rrd_free (&rrd);
return (-1);
}
memset (*ret_last_ds, 0, rrd.stat_head->ds_cnt * sizeof(char *));
for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
(*ret_ds_names)[i] = sprintf_alloc("%s", rrd.ds_def[i].ds_nam);
(*ret_last_ds)[i] = sprintf_alloc("%s", rrd.pdp_prep[i].last_ds);
if (((*ret_ds_names)[i] == NULL) || ((*ret_last_ds)[i] == NULL))
break;
}
/* Check if all names and values could be copied and free everything if
* not. */
if (i < rrd.stat_head->ds_cnt) {
rrd_set_error ("sprintf_alloc failed");
for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
if ((*ret_ds_names)[i] != NULL)
{
free ((*ret_ds_names)[i]);
(*ret_ds_names)[i] = NULL;
}
if ((*ret_last_ds)[i] != NULL)
{
free ((*ret_last_ds)[i]);
(*ret_last_ds)[i] = NULL;
}
}
free (*ret_ds_names);
*ret_ds_names = NULL;
free (*ret_last_ds);
*ret_last_ds = NULL;
rrd_close (rrd_file);
rrd_free (&rrd);
return (-1);
}
rrd_free(&rrd);
rrd_close(rrd_file);
return (0);
} /* int rrd_lastupdate_r */
int rrd_resize(
int argc,
char **argv)
{
char *infilename, outfilename[11] = "resize.rrd";
rrd_t rrdold, rrdnew;
rrd_value_t buffer;
int version;
unsigned long l, rra;
long modify;
unsigned long target_rra;
int grow = 0, shrink = 0;
char *endptr;
rrd_file_t *rrd_file, *rrd_out_file;
infilename = argv[1];
if (!strcmp(infilename, "resize.rrd")) {
rrd_set_error("resize.rrd is a reserved name");
return (-1);
}
if (argc != 5) {
rrd_set_error("wrong number of parameters");
return (-1);
}
target_rra = strtol(argv[2], &endptr, 0);
if (!strcmp(argv[3], "GROW"))
grow = 1;
else if (!strcmp(argv[3], "SHRINK"))
shrink = 1;
else {
rrd_set_error("I can only GROW or SHRINK");
return (-1);
}
modify = strtol(argv[4], &endptr, 0);
if ((modify < 1)) {
rrd_set_error("Please grow or shrink with at least 1 row");
return (-1);
}
if (shrink)
modify = -modify;
rrd_init(&rrdold);
rrd_file = rrd_open(infilename, &rrdold, RRD_READWRITE | RRD_COPY);
if (rrd_file == NULL) {
rrd_free(&rrdold);
return (-1);
}
if (rrd_lock(rrd_file) != 0) {
rrd_set_error("could not lock original RRD");
rrd_free(&rrdold);
rrd_close(rrd_file);
return (-1);
}
if (target_rra >= rrdold.stat_head->rra_cnt) {
rrd_set_error("no such RRA in this RRD");
rrd_free(&rrdold);
rrd_close(rrd_file);
return (-1);
}
if (modify < 0)
if ((long) rrdold.rra_def[target_rra].row_cnt <= -modify) {
rrd_set_error("This RRA is not that big");
rrd_free(&rrdold);
rrd_close(rrd_file);
return (-1);
}
rrd_init(&rrdnew);
/* These need to be initialised before calling rrd_open() with
the RRD_CREATE flag */
if ((rrdnew.stat_head = (stat_head_t*)calloc(1, sizeof(stat_head_t))) == NULL) {
rrd_set_error("allocating stat_head for new RRD");
rrd_free(&rrdold);
rrd_close(rrd_file);
return (-1);
}
memcpy(rrdnew.stat_head,rrdold.stat_head,sizeof(stat_head_t));
if ((rrdnew.rra_def = (rra_def_t *)malloc(sizeof(rra_def_t) * rrdold.stat_head->rra_cnt)) == NULL) {
rrd_set_error("allocating rra_def for new RRD");
rrd_free(&rrdnew);
rrd_free(&rrdold);
rrd_close(rrd_file);
return (-1);
}
memcpy(rrdnew.rra_def,rrdold.rra_def,sizeof(rra_def_t) * rrdold.stat_head->rra_cnt);
/* Set this so that the file will be created with the correct size */
rrdnew.rra_def[target_rra].row_cnt += modify;
rrd_out_file = rrd_open(outfilename, &rrdnew, RRD_READWRITE | RRD_CREAT);
if (rrd_out_file == NULL) {
rrd_set_error("Can't create '%s': %s", outfilename,
rrd_strerror(errno));
rrd_free(&rrdnew);
rrd_free(&rrdold);
rrd_close(rrd_file);
return (-1);
}
if (rrd_lock(rrd_out_file) != 0) {
rrd_set_error("could not lock new RRD");
rrd_free(&rrdnew);
rrd_free(&rrdold);
rrd_close(rrd_file);
rrd_close(rrd_out_file);
return (-1);
}
/*XXX: do one write for those parts of header that are unchanged */
if ((rrdnew.rra_ptr = (rra_ptr_t *)malloc(sizeof(rra_ptr_t) * rrdold.stat_head->rra_cnt)) == NULL) {
rrd_set_error("allocating rra_ptr for new RRD");
rrd_free(&rrdnew);
rrd_free(&rrdold);
rrd_close(rrd_file);
rrd_close(rrd_out_file);
return (-1);
}
/* Put this back the way it was so that the rest of the algorithm
below remains unchanged, it will be corrected later */
rrdnew.rra_def[target_rra].row_cnt -= modify;
rrdnew.ds_def = rrdold.ds_def;
rrdnew.live_head = rrdold.live_head;
rrdnew.pdp_prep = rrdold.pdp_prep;
rrdnew.cdp_prep = rrdold.cdp_prep;
memcpy(rrdnew.rra_ptr,rrdold.rra_ptr,sizeof(rra_ptr_t) * rrdold.stat_head->rra_cnt);
version = atoi(rrdold.stat_head->version);
switch (version) {
case 4:
break;
case 3:
break;
case 1:
rrdnew.stat_head->version[3] = '3';
break;
default:
rrd_set_error("Do not know how to handle RRD version %s",
rrdold.stat_head->version);
rrdnew.ds_def = NULL;
rrdnew.live_head = NULL;
rrdnew.pdp_prep = NULL;
rrdnew.cdp_prep = NULL;
rrd_free(&rrdnew);
rrd_free(&rrdold);
rrd_close(rrd_file);
rrd_close(rrd_out_file);
return (-1);
break;
}
/* XXX: Error checking? */
rrd_write(rrd_out_file, rrdnew.stat_head, sizeof(stat_head_t) * 1);
rrd_write(rrd_out_file, rrdnew.ds_def,
sizeof(ds_def_t) * rrdnew.stat_head->ds_cnt);
rrd_write(rrd_out_file, rrdnew.rra_def,
sizeof(rra_def_t) * rrdnew.stat_head->rra_cnt);
rrd_write(rrd_out_file, rrdnew.live_head, sizeof(live_head_t) * 1);
rrd_write(rrd_out_file, rrdnew.pdp_prep,
sizeof(pdp_prep_t) * rrdnew.stat_head->ds_cnt);
rrd_write(rrd_out_file, rrdnew.cdp_prep,
sizeof(cdp_prep_t) * rrdnew.stat_head->ds_cnt *
rrdnew.stat_head->rra_cnt);
rrd_write(rrd_out_file, rrdnew.rra_ptr,
sizeof(rra_ptr_t) * rrdnew.stat_head->rra_cnt);
/* Move the CDPs from the old to the new database.
** This can be made (much) faster but isn't worth the effort. Clarity
** is much more important.
*/
/* Move data in unmodified RRAs
*/
l = 0;
for (rra = 0; rra < target_rra; rra++) {
l += rrdnew.stat_head->ds_cnt * rrdnew.rra_def[rra].row_cnt;
}
while (l > 0) {
rrd_read(rrd_file, &buffer, sizeof(rrd_value_t) * 1);
rrd_write(rrd_out_file, &buffer, sizeof(rrd_value_t) * 1);
l--;
}
/* Move data in this RRA, either removing or adding some rows
*/
if (modify > 0) {
/* Adding extra rows; insert unknown values just after the
** current row number.
*/
l = rrdnew.stat_head->ds_cnt *
(rrdnew.rra_ptr[target_rra].cur_row + 1);
while (l > 0) {
rrd_read(rrd_file, &buffer, sizeof(rrd_value_t) * 1);
rrd_write(rrd_out_file, &buffer, sizeof(rrd_value_t) * 1);
l--;
}
buffer = DNAN;
l = rrdnew.stat_head->ds_cnt * modify;
while (l > 0) {
rrd_write(rrd_out_file, &buffer, sizeof(rrd_value_t) * 1);
l--;
}
} else {
/* Removing rows. Normally this would be just after the cursor
** however this may also mean that we wrap to the beginning of
** the array.
*/
signed long int remove_end = 0;
remove_end =
(rrdnew.rra_ptr[target_rra].cur_row -
modify) % rrdnew.rra_def[target_rra].row_cnt;
if (remove_end <=
(signed long int) rrdnew.rra_ptr[target_rra].cur_row) {
while (remove_end >= 0) {
rrd_seek(rrd_file,
sizeof(rrd_value_t) * rrdnew.stat_head->ds_cnt,
SEEK_CUR);
rrdnew.rra_ptr[target_rra].cur_row--;
rrdnew.rra_def[target_rra].row_cnt--;
remove_end--;
modify++;
}
remove_end = rrdnew.rra_def[target_rra].row_cnt - 1;
}
for (l = 0; l <= rrdnew.rra_ptr[target_rra].cur_row; l++) {
unsigned int tmp;
for (tmp = 0; tmp < rrdnew.stat_head->ds_cnt; tmp++) {
rrd_read(rrd_file, &buffer, sizeof(rrd_value_t) * 1);
rrd_write(rrd_out_file, &buffer, sizeof(rrd_value_t) * 1);
}
}
while (modify < 0) {
rrd_seek(rrd_file,
sizeof(rrd_value_t) * rrdnew.stat_head->ds_cnt,
SEEK_CUR);
rrdnew.rra_def[target_rra].row_cnt--;
modify++;
}
}
/* Move the rest of the CDPs
*/
while (1) {
ssize_t b_read;
if ((b_read=rrd_read(rrd_file, &buffer, sizeof(rrd_value_t) * 1)) <= 0)
break;
if(rrd_out_file->pos+b_read > rrd_out_file->file_len) {
fprintf(stderr,"WARNING: ignoring last %zu bytes\nWARNING: if you see this message multiple times for a single file you're in trouble\n", b_read);
continue;
}
rrd_write(rrd_out_file, &buffer, b_read);
}
rrdnew.rra_def[target_rra].row_cnt += modify;
rrd_seek(rrd_out_file,
sizeof(stat_head_t) +
sizeof(ds_def_t) * rrdnew.stat_head->ds_cnt, SEEK_SET);
rrd_write(rrd_out_file, rrdnew.rra_def,
sizeof(rra_def_t) * rrdnew.stat_head->rra_cnt);
rrd_seek(rrd_out_file, sizeof(live_head_t), SEEK_CUR);
rrd_seek(rrd_out_file, sizeof(pdp_prep_t) * rrdnew.stat_head->ds_cnt,
SEEK_CUR);
rrd_seek(rrd_out_file,
sizeof(cdp_prep_t) * rrdnew.stat_head->ds_cnt *
rrdnew.stat_head->rra_cnt, SEEK_CUR);
rrd_write(rrd_out_file, rrdnew.rra_ptr,
sizeof(rra_ptr_t) * rrdnew.stat_head->rra_cnt);
rrd_close(rrd_file);
rrd_close(rrd_out_file);
rrd_free(&rrdold);
rrdnew.ds_def = NULL;
rrdnew.live_head = NULL;
rrdnew.pdp_prep = NULL;
rrdnew.cdp_prep = NULL;
rrd_free(&rrdnew);
return (0);
}
int rrd_tune(
int argc,
char **argv)
{
rrd_t rrd;
int matches;
int optcnt = 0;
long ds;
char ds_nam[DS_NAM_SIZE];
char ds_new[DS_NAM_SIZE];
long heartbeat;
double min;
double max;
char dst[DST_SIZE];
rrd_file_t *rrd_file;
struct option long_options[] = {
{"heartbeat", required_argument, 0, 'h'},
{"minimum", required_argument, 0, 'i'},
{"maximum", required_argument, 0, 'a'},
{"data-source-type", required_argument, 0, 'd'},
{"data-source-rename", required_argument, 0, 'r'},
/* added parameter tuning options for aberrant behavior detection */
{"deltapos", required_argument, 0, 'p'},
{"deltaneg", required_argument, 0, 'n'},
{"window-length", required_argument, 0, 'w'},
{"failure-threshold", required_argument, 0, 'f'},
{"alpha", required_argument, 0, 'x'},
{"beta", required_argument, 0, 'y'},
{"gamma", required_argument, 0, 'z'},
{"gamma-deviation", required_argument, 0, 'v'},
{"smoothing-window", required_argument, 0, 's'},
{"smoothing-window-deviation", required_argument, 0, 'S'},
{"aberrant-reset", required_argument, 0, 'b'},
{0, 0, 0, 0}
};
optind = 0;
opterr = 0; /* initialize getopt */
rrd_init(&rrd);
rrd_file = rrd_open(argv[1], &rrd, RRD_READWRITE);
if (rrd_file == NULL) {
rrd_free(&rrd);
return -1;
}
while (1) {
int option_index = 0;
int opt;
char *old_locale = "";
opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:v:b:",
long_options, &option_index);
if (opt == EOF)
break;
optcnt++;
switch (opt) {
case 'h':
old_locale = setlocale(LC_NUMERIC, NULL);
setlocale(LC_NUMERIC, "C");
if ((matches =
sscanf(optarg, DS_NAM_FMT ":%ld", ds_nam,
&heartbeat)) != 2) {
rrd_set_error("invalid arguments for heartbeat");
rrd_free(&rrd);
rrd_close(rrd_file);
setlocale(LC_NUMERIC, old_locale);
return -1;
}
setlocale(LC_NUMERIC, old_locale);
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
break;
case 'i':
old_locale = setlocale(LC_NUMERIC, NULL);
setlocale(LC_NUMERIC, "C");
if ((matches =
sscanf(optarg, DS_NAM_FMT ":%lf", ds_nam, &min)) < 1) {
rrd_set_error("invalid arguments for minimum ds value");
rrd_free(&rrd);
rrd_close(rrd_file);
setlocale(LC_NUMERIC, old_locale);
return -1;
}
setlocale(LC_NUMERIC, old_locale);
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
if (matches == 1)
min = DNAN;
rrd.ds_def[ds].par[DS_min_val].u_val = min;
break;
case 'a':
old_locale = setlocale(LC_NUMERIC, NULL);
setlocale(LC_NUMERIC, "C");
if ((matches =
sscanf(optarg, DS_NAM_FMT ":%lf", ds_nam, &max)) < 1) {
rrd_set_error("invalid arguments for maximum ds value");
rrd_free(&rrd);
rrd_close(rrd_file);
setlocale(LC_NUMERIC, old_locale);
return -1;
}
setlocale(LC_NUMERIC, old_locale);
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
if (matches == 1)
max = DNAN;
rrd.ds_def[ds].par[DS_max_val].u_val = max;
break;
case 'd':
if ((matches =
sscanf(optarg, DS_NAM_FMT ":" DST_FMT, ds_nam, dst)) != 2) {
rrd_set_error("invalid arguments for data source type");
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
if ((int) dst_conv(dst) == -1) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
/* only reset when something is changed */
if (strncmp(rrd.ds_def[ds].dst, dst, DST_SIZE - 1) != 0) {
strncpy(rrd.ds_def[ds].dst, dst, DST_SIZE - 1);
rrd.ds_def[ds].dst[DST_SIZE - 1] = '\0';
rrd.pdp_prep[ds].last_ds[0] = 'U';
rrd.pdp_prep[ds].last_ds[1] = 'N';
rrd.pdp_prep[ds].last_ds[2] = 'K';
rrd.pdp_prep[ds].last_ds[3] = 'N';
rrd.pdp_prep[ds].last_ds[4] = '\0';
}
break;
case 'r':
if ((matches =
sscanf(optarg, DS_NAM_FMT ":" DS_NAM_FMT, ds_nam,
ds_new)) != 2) {
rrd_set_error("invalid arguments for data source type");
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
strncpy(rrd.ds_def[ds].ds_nam, ds_new, DS_NAM_SIZE - 1);
rrd.ds_def[ds].ds_nam[DS_NAM_SIZE - 1] = '\0';
break;
case 'p':
if (set_deltaarg(&rrd, RRA_delta_pos, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'n':
if (set_deltaarg(&rrd, RRA_delta_neg, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'f':
if (set_windowarg(&rrd, RRA_failure_threshold, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'w':
if (set_windowarg(&rrd, RRA_window_len, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'x':
if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_alpha, optarg)) {
if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_alpha, optarg)) {
rrd_free(&rrd);
return -1;
}
rrd_clear_error();
}
break;
case 'y':
if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_beta, optarg)) {
if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_beta, optarg)) {
rrd_free(&rrd);
return -1;
}
rrd_clear_error();
}
break;
case 'z':
if (set_hwarg(&rrd, CF_SEASONAL, RRA_seasonal_gamma, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'v':
if (set_hwarg(&rrd, CF_DEVSEASONAL, RRA_seasonal_gamma, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'b':
if (sscanf(optarg, DS_NAM_FMT, ds_nam) != 1) {
rrd_set_error("invalid argument for aberrant-reset");
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
if ((ds = ds_match(&rrd, ds_nam)) == -1) {
/* ds_match handles it own errors */
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
reset_aberrant_coefficients(&rrd, rrd_file, (unsigned long) ds);
if (rrd_test_error()) {
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
break;
case 's':
strcpy(rrd.stat_head->version, RRD_VERSION); /* smoothing_window causes Version 4 */
if (set_hwsmootharg
(&rrd, CF_SEASONAL, RRA_seasonal_smoothing_window, optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case 'S':
strcpy(rrd.stat_head->version, RRD_VERSION); /* smoothing_window causes Version 4 */
if (set_hwsmootharg
(&rrd, CF_DEVSEASONAL, RRA_seasonal_smoothing_window,
optarg)) {
rrd_free(&rrd);
return -1;
}
break;
case '?':
if (optopt != 0)
rrd_set_error("unknown option '%c'", optopt);
else
rrd_set_error("unknown option '%s'", argv[optind - 1]);
rrd_free(&rrd);
rrd_close(rrd_file);
return -1;
}
}
if (optcnt > 0) {
rrd_seek(rrd_file, 0, SEEK_SET);
rrd_write(rrd_file, rrd.stat_head, sizeof(stat_head_t) * 1);
rrd_write(rrd_file, rrd.ds_def,
sizeof(ds_def_t) * rrd.stat_head->ds_cnt);
/* need to write rra_defs for RRA parameter changes */
rrd_write(rrd_file, rrd.rra_def,
sizeof(rra_def_t) * rrd.stat_head->rra_cnt);
} else {
int i;
for (i = 0; i < (int) rrd.stat_head->ds_cnt; i++)
if (dst_conv(rrd.ds_def[i].dst) != DST_CDEF) {
printf("DS[%s] typ: %s\thbt: %ld\tmin: %1.4f\tmax: %1.4f\n",
rrd.ds_def[i].ds_nam,
rrd.ds_def[i].dst,
rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt,
rrd.ds_def[i].par[DS_min_val].u_val,
rrd.ds_def[i].par[DS_max_val].u_val);
} else {
char *buffer = NULL;
rpn_compact2str((rpn_cdefds_t *) &
(rrd.ds_def[i].par[DS_cdef]), rrd.ds_def,
&buffer);
printf("DS[%s] typ: %s\tcdef: %s\n", rrd.ds_def[i].ds_nam,
rrd.ds_def[i].dst, buffer);
free(buffer);
}
}
rrd_close(rrd_file);
rrd_free(&rrd);
return 0;
}
