/*****************************************************************************
- * RRDtool 1.2.8 Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.4.2 Copyright by Tobi Oetiker, 1997-2009
*****************************************************************************
* rrd_create.c creates new rrds
*****************************************************************************/
+#include <stdlib.h>
+#include <time.h>
+#include <locale.h>
+
#include "rrd_tool.h"
#include "rrd_rpncalc.h"
#include "rrd_hw.h"
#include "rrd_is_thread_safe.h"
+static int opt_no_overwrite = 0;
+
+#ifdef WIN32
+# include <process.h>
+#endif
-unsigned long FnvHash(char *str);
-int create_hw_contingent_rras(rrd_t *rrd, unsigned short period, unsigned long hashed_name);
-void parseGENERIC_DS(char *def,rrd_t *rrd, int ds_idx);
+unsigned long FnvHash(
+ const char *str);
+int create_hw_contingent_rras(
+ rrd_t *rrd,
+ unsigned short period,
+ unsigned long hashed_name);
+void parseGENERIC_DS(
+ const char *def,
+ rrd_t *rrd,
+ int ds_idx);
-int
-rrd_create(int argc, char **argv)
+static void rrd_free2(
+ rrd_t *rrd); /* our onwn copy, immmune to mmap */
+
+int rrd_create(
+ int argc,
+ char **argv)
{
- time_t last_up = time(NULL)-10;
- unsigned long pdp_step = 300;
- struct rrd_time_value last_up_tv;
- char *parsetime_error = NULL;
- long long_tmp;
- int rc;
- optind = 0; opterr = 0; /* initialize getopt */
-
- while (1){
- static struct option long_options[] =
- {
- {"start", required_argument, 0, 'b'},
- {"step", required_argument,0,'s'},
- {0,0,0,0}
- };
- int option_index = 0;
- int opt;
- opt = getopt_long(argc, argv, "b:s:",
- long_options, &option_index);
-
- if (opt == EOF)
- break;
-
- switch(opt) {
- case 'b':
- if ((parsetime_error = parsetime(optarg, &last_up_tv))) {
- rrd_set_error("start time: %s", parsetime_error );
- return(-1);
- }
- if (last_up_tv.type == RELATIVE_TO_END_TIME ||
- last_up_tv.type == RELATIVE_TO_START_TIME) {
- rrd_set_error("specifying time relative to the 'start' "
+ struct option long_options[] = {
+ {"start", required_argument, 0, 'b'},
+ {"step", required_argument, 0, 's'},
+ {"no-overwrite", no_argument, 0, 'O'},
+ {0, 0, 0, 0}
+ };
+ int option_index = 0;
+ int opt;
+ time_t last_up = time(NULL) - 10;
+ unsigned long pdp_step = 300;
+ rrd_time_value_t last_up_tv;
+ char *parsetime_error = NULL;
+ long long_tmp;
+ int rc;
+
+ optind = 0;
+ opterr = 0; /* initialize getopt */
+
+ while (1) {
+ opt = getopt_long(argc, argv, "Ob:s:", long_options, &option_index);
+
+ if (opt == EOF)
+ break;
+
+ switch (opt) {
+ case 'b':
+ if ((parsetime_error = rrd_parsetime(optarg, &last_up_tv))) {
+ rrd_set_error("start time: %s", parsetime_error);
+ return (-1);
+ }
+ if (last_up_tv.type == RELATIVE_TO_END_TIME ||
+ last_up_tv.type == RELATIVE_TO_START_TIME) {
+ rrd_set_error("specifying time relative to the 'start' "
"or 'end' makes no sense here");
- return(-1);
- }
-
- last_up = mktime(&last_up_tv.tm) + last_up_tv.offset;
-
- if (last_up < 3600*24*365*10){
- rrd_set_error("the first entry to the RRD should be after 1980");
- return(-1);
- }
- break;
+ return (-1);
+ }
- case 's':
- long_tmp = atol(optarg);
- if (long_tmp < 1){
- rrd_set_error("step size should be no less than one second");
- return(-1);
- }
- pdp_step = long_tmp;
+ last_up = mktime(&last_up_tv.tm) +last_up_tv.offset;
+
+ if (last_up < 3600 * 24 * 365 * 10) {
+ rrd_set_error
+ ("the first entry to the RRD should be after 1980");
+ return (-1);
+ }
+ break;
+
+ case 's':
+ long_tmp = atol(optarg);
+ if (long_tmp < 1) {
+ rrd_set_error("step size should be no less than one second");
+ return (-1);
+ }
+ pdp_step = long_tmp;
+ break;
+
+ case 'O':
+ opt_no_overwrite = 1;
break;
- case '?':
+ case '?':
if (optopt != 0)
rrd_set_error("unknown option '%c'", optopt);
else
- rrd_set_error("unknown option '%s'",argv[optind-1]);
- return(-1);
- }
+ rrd_set_error("unknown option '%s'", argv[optind - 1]);
+ return (-1);
+ }
+ }
+ if (optind == argc) {
+ rrd_set_error("need name of an rrd file to create");
+ return -1;
}
-
rc = rrd_create_r(argv[optind],
- pdp_step, last_up,
- argc - optind - 1, argv + optind + 1);
-
+ pdp_step, last_up,
+ argc - optind - 1, (const char **) (argv + optind + 1));
+
return rc;
}
/* #define DEBUG */
-int
-rrd_create_r(char *filename,
- unsigned long pdp_step, time_t last_up,
- int argc, char **argv)
+int rrd_create_r(
+ const char *filename,
+ unsigned long pdp_step,
+ time_t last_up,
+ int argc,
+ const char **argv)
{
- rrd_t rrd;
- long i;
- int offset;
- char *token;
- unsigned short dummychar1,dummychar2;
- unsigned short token_idx, error_flag, period=0;
+ rrd_t rrd;
+ long i;
+ int offset;
+ char *token;
+ char dummychar1[2], dummychar2[2];
+ unsigned short token_idx, error_flag, period = 0;
unsigned long hashed_name;
/* init rrd clean */
rrd_init(&rrd);
/* static header */
- if((rrd.stat_head = calloc(1,sizeof(stat_head_t)))==NULL){
- rrd_set_error("allocating rrd.stat_head");
- rrd_free(&rrd);
- return(-1);
+ if ((rrd.stat_head = (stat_head_t*)calloc(1, sizeof(stat_head_t))) == NULL) {
+ rrd_set_error("allocating rrd.stat_head");
+ rrd_free2(&rrd);
+ return (-1);
}
/* live header */
- if((rrd.live_head = calloc(1,sizeof(live_head_t)))==NULL){
- rrd_set_error("allocating rrd.live_head");
- rrd_free(&rrd);
- return(-1);
+ if ((rrd.live_head = (live_head_t*)calloc(1, sizeof(live_head_t))) == NULL) {
+ rrd_set_error("allocating rrd.live_head");
+ rrd_free2(&rrd);
+ return (-1);
}
/* set some defaults */
- strcpy(rrd.stat_head->cookie,RRD_COOKIE);
- strcpy(rrd.stat_head->version,RRD_VERSION);
+ strcpy(rrd.stat_head->cookie, RRD_COOKIE);
+ strcpy(rrd.stat_head->version, RRD_VERSION3); /* by default we are still version 3 */
rrd.stat_head->float_cookie = FLOAT_COOKIE;
- rrd.stat_head->ds_cnt = 0; /* this will be adjusted later */
+ rrd.stat_head->ds_cnt = 0; /* this will be adjusted later */
rrd.stat_head->rra_cnt = 0; /* ditto */
rrd.stat_head->pdp_step = pdp_step; /* 5 minute default */
rrd.rra_def = NULL;
rrd.live_head->last_up = last_up;
-
- /* optind points to the first non-option command line arg,
- * in this case, the file name. */
- /* Compute the FNV hash value (used by SEASONAL and DEVSEASONAL
- * arrays. */
+
+ /* optind points to the first non-option command line arg,
+ * in this case, the file name. */
+ /* Compute the FNV hash value (used by SEASONAL and DEVSEASONAL
+ * arrays. */
hashed_name = FnvHash(filename);
- for(i=0;i<argc;i++){
- unsigned int ii;
- if (strncmp(argv[i],"DS:",3)==0){
- size_t old_size = sizeof(ds_def_t)*(rrd.stat_head->ds_cnt);
- if((rrd.ds_def = rrd_realloc(rrd.ds_def,
- old_size+sizeof(ds_def_t)))==NULL){
- rrd_set_error("allocating rrd.ds_def");
- rrd_free(&rrd);
- return(-1);
- }
- memset(&rrd.ds_def[rrd.stat_head->ds_cnt], 0, sizeof(ds_def_t));
+ for (i = 0; i < argc; i++) {
+ unsigned int ii;
+
+ if (strncmp(argv[i], "DS:", 3) == 0) {
+ size_t old_size = sizeof(ds_def_t) * (rrd.stat_head->ds_cnt);
+
+ if ((rrd.ds_def = (ds_def_t*)rrd_realloc(rrd.ds_def,
+ old_size + sizeof(ds_def_t))) ==
+ NULL) {
+ rrd_set_error("allocating rrd.ds_def");
+ rrd_free2(&rrd);
+ return (-1);
+ }
+ memset(&rrd.ds_def[rrd.stat_head->ds_cnt], 0, sizeof(ds_def_t));
/* extract the name and type */
- switch (sscanf(&argv[i][3],
- DS_NAM_FMT "%1[:]" DST_FMT "%1[:]%n",
- rrd.ds_def[rrd.stat_head->ds_cnt].ds_nam,
- &dummychar1,
- rrd.ds_def[rrd.stat_head->ds_cnt].dst,
- &dummychar2,
- &offset)) {
- case 0:
- case 1: rrd_set_error("Invalid DS name"); break;
- case 2:
- case 3: rrd_set_error("Invalid DS type"); break;
- case 4: /* (%n may or may not be counted) */
- case 5: /* check for duplicate datasource names */
- for (ii=0;ii<rrd.stat_head->ds_cnt;ii++)
- if(strcmp(rrd.ds_def[rrd.stat_head->ds_cnt].ds_nam,
- rrd.ds_def[ii].ds_nam) == 0)
- rrd_set_error("Duplicate DS name: %s",
- rrd.ds_def[ii].ds_nam);
- /* DS_type may be valid or not. Checked later */
- break;
- default: rrd_set_error("invalid DS format");
+ switch (sscanf(&argv[i][3],
+ DS_NAM_FMT "%1[:]" DST_FMT "%1[:]%n",
+ rrd.ds_def[rrd.stat_head->ds_cnt].ds_nam,
+ dummychar1,
+ rrd.ds_def[rrd.stat_head->ds_cnt].dst,
+ dummychar2, &offset)) {
+ case 0:
+ case 1:
+ rrd_set_error("Invalid DS name");
+ break;
+ case 2:
+ case 3:
+ rrd_set_error("Invalid DS type");
+ break;
+ case 4: /* (%n may or may not be counted) */
+ case 5: /* check for duplicate datasource names */
+ for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++)
+ if (strcmp(rrd.ds_def[rrd.stat_head->ds_cnt].ds_nam,
+ rrd.ds_def[ii].ds_nam) == 0)
+ rrd_set_error("Duplicate DS name: %s",
+ rrd.ds_def[ii].ds_nam);
+ /* DS_type may be valid or not. Checked later */
+ break;
+ default:
+ rrd_set_error("invalid DS format");
}
- if (rrd_test_error()) {
- rrd_free(&rrd);
+ if (rrd_test_error()) {
+ rrd_free2(&rrd);
return -1;
}
-
+
/* parse the remainder of the arguments */
- switch(dst_conv(rrd.ds_def[rrd.stat_head->ds_cnt].dst))
- {
+ switch (dst_conv(rrd.ds_def[rrd.stat_head->ds_cnt].dst)) {
case DST_COUNTER:
case DST_ABSOLUTE:
case DST_GAUGE:
case DST_DERIVE:
- parseGENERIC_DS(&argv[i][offset+3],&rrd, rrd.stat_head->ds_cnt);
+ parseGENERIC_DS(&argv[i][offset + 3], &rrd,
+ rrd.stat_head->ds_cnt);
break;
case DST_CDEF:
- parseCDEF_DS(&argv[i][offset+3],&rrd, rrd.stat_head->ds_cnt);
+ parseCDEF_DS(&argv[i][offset + 3], &rrd,
+ rrd.stat_head->ds_cnt);
break;
default:
rrd_set_error("invalid DS type specified");
break;
}
-
+
if (rrd_test_error()) {
- rrd_free(&rrd);
+ rrd_free2(&rrd);
return -1;
}
- rrd.stat_head -> ds_cnt++;
- } else if (strncmp(argv[i],"RRA:",4)==0){
- char *argvcopy;
- char *tokptr;
- size_t old_size = sizeof(rra_def_t)*(rrd.stat_head->rra_cnt);
- if((rrd.rra_def = rrd_realloc(rrd.rra_def,
- old_size+sizeof(rra_def_t)))==NULL)
- {
+ rrd.stat_head->ds_cnt++;
+ } else if (strncmp(argv[i], "RRA:", 4) == 0) {
+ char *argvcopy;
+ char *tokptr = "";
+ size_t old_size = sizeof(rra_def_t) * (rrd.stat_head->rra_cnt);
+ int row_cnt;
+
+ if ((rrd.rra_def = (rra_def_t*)rrd_realloc(rrd.rra_def,
+ old_size + sizeof(rra_def_t))) ==
+ NULL) {
rrd_set_error("allocating rrd.rra_def");
- rrd_free(&rrd);
- return(-1);
- }
- memset(&rrd.rra_def[rrd.stat_head->rra_cnt], 0, sizeof(rra_def_t));
+ rrd_free2(&rrd);
+ return (-1);
+ }
+ memset(&rrd.rra_def[rrd.stat_head->rra_cnt], 0,
+ sizeof(rra_def_t));
argvcopy = strdup(argv[i]);
- token = strtok_r(&argvcopy[4],":", &tokptr);
- token_idx = error_flag = 0;
- while (token != NULL)
- {
- switch(token_idx)
- {
+ token = strtok_r(&argvcopy[4], ":", &tokptr);
+ token_idx = error_flag = 0;
+ while (token != NULL) {
+ switch (token_idx) {
case 0:
- if (sscanf(token,CF_NAM_FMT,
- rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) != 1)
+ if (sscanf(token, CF_NAM_FMT,
+ rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) !=
+ 1)
rrd_set_error("Failed to parse CF name");
- switch(cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam))
- {
+ switch (cf_conv
+ (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) {
+ case CF_MHWPREDICT:
+ strcpy(rrd.stat_head->version, RRD_VERSION); /* MHWPREDICT causes Version 4 */
case CF_HWPREDICT:
/* initialize some parameters */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_alpha].u_val = 0.1;
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_beta].u_val = 1.0/288;
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt =
- rrd.stat_head -> rra_cnt;
+ rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_alpha].
+ u_val = 0.1;
+ rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_beta].
+ u_val = 1.0 / 288;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt =
+ rrd.stat_head->rra_cnt;
break;
case CF_DEVSEASONAL:
case CF_SEASONAL:
/* initialize some parameters */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_seasonal_gamma].u_val = 0.1;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_gamma].u_val = 0.1;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_smoothing_window].u_val = 0.05;
/* fall through */
case CF_DEVPREDICT:
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt = -1;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt = -1;
break;
case CF_FAILURES:
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_delta_pos].u_val = 2.0;
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_delta_neg].u_val = 2.0;
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_window_len].u_cnt = 3;
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_failure_threshold].u_cnt = 2;
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt = -1;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_delta_pos].u_val = 2.0;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_delta_neg].u_val = 2.0;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_window_len].u_cnt = 3;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_failure_threshold].u_cnt = 2;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt = -1;
break;
/* invalid consolidation function */
case -1:
- rrd_set_error("Unrecognized consolidation function %s",
- rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam);
+ rrd_set_error
+ ("Unrecognized consolidation function %s",
+ rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam);
default:
break;
}
- /* default: 1 pdp per cdp */
+ /* default: 1 pdp per cdp */
rrd.rra_def[rrd.stat_head->rra_cnt].pdp_cnt = 1;
break;
case 1:
- switch(cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam))
- {
+ switch (cf_conv
+ (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) {
case CF_HWPREDICT:
+ case CF_MHWPREDICT:
case CF_DEVSEASONAL:
case CF_SEASONAL:
case CF_DEVPREDICT:
case CF_FAILURES:
- rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt = atoi(token);
+ row_cnt = atoi(token);
+ if (row_cnt <= 0)
+ rrd_set_error("Invalid row count: %i", row_cnt);
+ rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt = row_cnt;
break;
default:
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_cdp_xff_val].u_val = atof(token);
- if (rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_cdp_xff_val].u_val<0.0 ||
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_cdp_xff_val].u_val>=1.0)
- rrd_set_error("Invalid xff: must be between 0 and 1");
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_cdp_xff_val].u_val = atof(token);
+ if (rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_cdp_xff_val].u_val < 0.0
+ || rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_cdp_xff_val].u_val >= 1.0)
+ rrd_set_error
+ ("Invalid xff: must be between 0 and 1");
break;
}
break;
case 2:
- switch(cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam))
- {
+ switch (cf_conv
+ (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) {
case CF_HWPREDICT:
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_alpha].u_val = atof(token);
+ case CF_MHWPREDICT:
+ rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_alpha].
+ u_val = atof(token);
if (atof(token) <= 0.0 || atof(token) >= 1.0)
- rrd_set_error("Invalid alpha: must be between 0 and 1");
+ rrd_set_error
+ ("Invalid alpha: must be between 0 and 1");
break;
case CF_DEVSEASONAL:
case CF_SEASONAL:
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_seasonal_gamma].u_val =
- atof(token);
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_gamma].u_val = atof(token);
if (atof(token) <= 0.0 || atof(token) >= 1.0)
- rrd_set_error("Invalid gamma: must be between 0 and 1");
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_seasonal_smooth_idx].u_cnt
- = hashed_name % rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt;
+ rrd_set_error
+ ("Invalid gamma: must be between 0 and 1");
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_smooth_idx].u_cnt =
+ hashed_name %
+ rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt;
break;
case CF_FAILURES:
/* specifies the # of violations that constitutes the failure threshold */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_failure_threshold].u_cnt =
- atoi(token);
- if (atoi(token) < 1 || atoi(token) > MAX_FAILURES_WINDOW_LEN)
- rrd_set_error("Failure threshold is out of range %d, %d",1,
- MAX_FAILURES_WINDOW_LEN);
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_failure_threshold].u_cnt = atoi(token);
+ if (atoi(token) < 1
+ || atoi(token) > MAX_FAILURES_WINDOW_LEN)
+ rrd_set_error
+ ("Failure threshold is out of range %d, %d",
+ 1, MAX_FAILURES_WINDOW_LEN);
break;
case CF_DEVPREDICT:
/* specifies the index (1-based) of CF_DEVSEASONAL array
* associated with this CF_DEVPREDICT array. */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt =
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt =
atoi(token) - 1;
break;
default:
- rrd.rra_def[rrd.stat_head->rra_cnt].pdp_cnt = atoi(token);
+ rrd.rra_def[rrd.stat_head->rra_cnt].pdp_cnt =
+ atoi(token);
+ if (atoi(token) < 1)
+ rrd_set_error("Invalid step: must be >= 1");
break;
}
break;
case 3:
- switch(cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam))
- {
+ switch (cf_conv
+ (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) {
case CF_HWPREDICT:
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_beta].u_val = atof(token);
+ case CF_MHWPREDICT:
+ rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_hw_beta].
+ u_val = atof(token);
if (atof(token) < 0.0 || atof(token) > 1.0)
- rrd_set_error("Invalid beta: must be between 0 and 1");
+ rrd_set_error
+ ("Invalid beta: must be between 0 and 1");
break;
case CF_DEVSEASONAL:
case CF_SEASONAL:
/* specifies the index (1-based) of CF_HWPREDICT array
* associated with this CF_DEVSEASONAL or CF_SEASONAL array.
* */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt =
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt =
atoi(token) - 1;
break;
case CF_FAILURES:
/* specifies the window length */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_window_len].u_cnt =
- atoi(token);
- if (atoi(token) < 1 || atoi(token) > MAX_FAILURES_WINDOW_LEN)
- rrd_set_error("Window length is out of range %d, %d",1,
- MAX_FAILURES_WINDOW_LEN);
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_window_len].u_cnt = atoi(token);
+ if (atoi(token) < 1
+ || atoi(token) > MAX_FAILURES_WINDOW_LEN)
+ rrd_set_error
+ ("Window length is out of range %d, %d", 1,
+ MAX_FAILURES_WINDOW_LEN);
/* verify that window length exceeds the failure threshold */
- if (rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_window_len].u_cnt <
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_failure_threshold].u_cnt)
- rrd_set_error("Window length is shorter than the failure threshold");
+ if (rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_window_len].u_cnt <
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_failure_threshold].u_cnt)
+ rrd_set_error
+ ("Window length is shorter than the failure threshold");
break;
case CF_DEVPREDICT:
/* shouldn't be any more arguments */
- rrd_set_error("Unexpected extra argument for consolidation function DEVPREDICT");
+ rrd_set_error
+ ("Unexpected extra argument for consolidation function DEVPREDICT");
break;
default:
- rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt = atoi(token);
+ row_cnt = atoi(token);
+ if (row_cnt <= 0)
+ rrd_set_error("Invalid row count: %i", row_cnt);
+ rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt = row_cnt;
break;
}
break;
case 4:
- switch(cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam))
- {
+ switch (cf_conv
+ (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) {
case CF_FAILURES:
/* specifies the index (1-based) of CF_DEVSEASONAL array
* associated with this CF_DEVFAILURES array. */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt =
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt =
atoi(token) - 1;
break;
+ case CF_DEVSEASONAL:
+ case CF_SEASONAL:
+ /* optional smoothing window */
+ if (sscanf(token, "smoothing-window=%lf",
+ &(rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_smoothing_window].
+ u_val))) {
+ strcpy(rrd.stat_head->version, RRD_VERSION); /* smoothing-window causes Version 4 */
+ if (rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_smoothing_window].u_val < 0.0
+ || rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_smoothing_window].u_val >
+ 1.0) {
+ rrd_set_error
+ ("Invalid smoothing-window %f: must be between 0 and 1",
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_seasonal_smoothing_window].
+ u_val);
+ }
+ } else {
+ rrd_set_error("Invalid option %s", token);
+ }
+ break;
case CF_HWPREDICT:
+ case CF_MHWPREDICT:
/* length of the associated CF_SEASONAL and CF_DEVSEASONAL arrays. */
period = atoi(token);
- if (period > rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt)
- rrd_set_error("Length of seasonal cycle exceeds length of HW prediction array");
+ if (period >
+ rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt)
+ rrd_set_error
+ ("Length of seasonal cycle exceeds length of HW prediction array");
break;
default:
/* shouldn't be any more arguments */
- rrd_set_error("Unexpected extra argument for consolidation function %s",
- rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam);
+ rrd_set_error
+ ("Unexpected extra argument for consolidation function %s",
+ rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam);
break;
}
break;
* is missing, then the CF_SEASONAL, CF_DEVSEASONAL, CF_DEVPREDICT,
* CF_FAILURES.
* arrays are created automatically. */
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt =
- atoi(token) - 1;
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt = atoi(token) - 1;
break;
default:
/* should never get here */
rrd_set_error("Unknown error");
break;
- } /* end switch */
- if (rrd_test_error())
- {
+ } /* end switch */
+ if (rrd_test_error()) {
/* all errors are unrecoverable */
free(argvcopy);
- rrd_free(&rrd);
+ rrd_free2(&rrd);
return (-1);
}
- token = strtok_r(NULL,":", &tokptr);
+ token = strtok_r(NULL, ":", &tokptr);
token_idx++;
- } /* end while */
- free(argvcopy);
+ } /* end while */
+ free(argvcopy);
#ifdef DEBUG
- fprintf(stderr,"Creating RRA CF: %s, dep idx %lu, current idx %lu\n",
- rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam,
- rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt,
- rrd.stat_head -> rra_cnt);
+ fprintf(stderr,
+ "Creating RRA CF: %s, dep idx %lu, current idx %lu\n",
+ rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam,
+ rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt, rrd.stat_head->rra_cnt);
#endif
- /* should we create CF_SEASONAL, CF_DEVSEASONAL, and CF_DEVPREDICT? */
- if (cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) == CF_HWPREDICT
- && rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_dependent_rra_idx].u_cnt
- == rrd.stat_head -> rra_cnt)
- {
+ /* should we create CF_SEASONAL, CF_DEVSEASONAL, and CF_DEVPREDICT? */
+ if ((cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) ==
+ CF_HWPREDICT
+ || cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) ==
+ CF_MHWPREDICT)
+ && rrd.rra_def[rrd.stat_head->rra_cnt].
+ par[RRA_dependent_rra_idx].u_cnt == rrd.stat_head->rra_cnt) {
#ifdef DEBUG
- fprintf(stderr,"Creating HW contingent RRAs\n");
+ fprintf(stderr, "Creating HW contingent RRAs\n");
#endif
- if (create_hw_contingent_rras(&rrd,period,hashed_name) == -1) {
+ if (create_hw_contingent_rras(&rrd, period, hashed_name) ==
+ -1) {
rrd_set_error("creating contingent RRA");
- rrd_free(&rrd);
+ rrd_free2(&rrd);
return -1;
}
- }
- rrd.stat_head->rra_cnt++;
- } else {
- rrd_set_error("can't parse argument '%s'",argv[i]);
- rrd_free(&rrd);
+ }
+ rrd.stat_head->rra_cnt++;
+ } else {
+ rrd_set_error("can't parse argument '%s'", argv[i]);
+ rrd_free2(&rrd);
return -1;
- }
+ }
}
-
-
- if (rrd.stat_head->rra_cnt < 1){
- rrd_set_error("you must define at least one Round Robin Archive");
- rrd_free(&rrd);
- return(-1);
+
+
+ if (rrd.stat_head->rra_cnt < 1) {
+ rrd_set_error("you must define at least one Round Robin Archive");
+ rrd_free2(&rrd);
+ return (-1);
}
-
- if (rrd.stat_head->ds_cnt < 1){
- rrd_set_error("you must define at least one Data Source");
- rrd_free(&rrd);
- return(-1);
+
+ if (rrd.stat_head->ds_cnt < 1) {
+ rrd_set_error("you must define at least one Data Source");
+ rrd_free2(&rrd);
+ return (-1);
}
return rrd_create_fn(filename, &rrd);
}
-void parseGENERIC_DS(char *def,rrd_t *rrd, int ds_idx)
+void parseGENERIC_DS(
+ const char *def,
+ rrd_t *rrd,
+ int ds_idx)
{
- char minstr[DS_NAM_SIZE], maxstr[DS_NAM_SIZE];
+ char minstr[DS_NAM_SIZE], maxstr[DS_NAM_SIZE];
+ char *old_locale;
+
/*
- int temp;
-
- temp = sscanf(def,"%lu:%18[^:]:%18[^:]",
- &(rrd -> ds_def[ds_idx].par[DS_mrhb_cnt].u_cnt),
- minstr,maxstr);
- */
- if (sscanf(def,"%lu:%18[^:]:%18[^:]",
- &(rrd -> ds_def[ds_idx].par[DS_mrhb_cnt].u_cnt),
- minstr,maxstr) == 3)
- {
+ int temp;
+
+ temp = sscanf(def,"%lu:%18[^:]:%18[^:]",
+ &(rrd -> ds_def[ds_idx].par[DS_mrhb_cnt].u_cnt),
+ minstr,maxstr);
+ */
+ old_locale = setlocale(LC_NUMERIC, "C");
+ if (sscanf(def, "%lu:%18[^:]:%18[^:]",
+ &(rrd->ds_def[ds_idx].par[DS_mrhb_cnt].u_cnt),
+ minstr, maxstr) == 3) {
if (minstr[0] == 'U' && minstr[1] == 0)
- rrd -> ds_def[ds_idx].par[DS_min_val].u_val = DNAN;
+ rrd->ds_def[ds_idx].par[DS_min_val].u_val = DNAN;
else
- rrd -> ds_def[ds_idx].par[DS_min_val].u_val = atof(minstr);
-
+ rrd->ds_def[ds_idx].par[DS_min_val].u_val = atof(minstr);
+
if (maxstr[0] == 'U' && maxstr[1] == 0)
- rrd -> ds_def[ds_idx].par[DS_max_val].u_val = DNAN;
+ rrd->ds_def[ds_idx].par[DS_max_val].u_val = DNAN;
else
- rrd -> ds_def[ds_idx].par[DS_max_val].u_val = atof(maxstr);
-
- if (! isnan(rrd -> ds_def[ds_idx].par[DS_min_val].u_val) &&
- ! isnan(rrd -> ds_def[ds_idx].par[DS_max_val].u_val) &&
- rrd -> ds_def[ds_idx].par[DS_min_val].u_val
- >= rrd -> ds_def[ds_idx].par[DS_max_val].u_val ) {
+ rrd->ds_def[ds_idx].par[DS_max_val].u_val = atof(maxstr);
+
+ if (!isnan(rrd->ds_def[ds_idx].par[DS_min_val].u_val) &&
+ !isnan(rrd->ds_def[ds_idx].par[DS_max_val].u_val) &&
+ rrd->ds_def[ds_idx].par[DS_min_val].u_val
+ >= rrd->ds_def[ds_idx].par[DS_max_val].u_val) {
rrd_set_error("min must be less than max in DS definition");
- return;
+ setlocale(LC_NUMERIC, old_locale);
+ return;
}
} else {
rrd_set_error("failed to parse data source %s", def);
}
+ setlocale(LC_NUMERIC, old_locale);
}
/* Create the CF_DEVPREDICT, CF_DEVSEASONAL, CF_SEASONAL, and CF_FAILURES RRAs
* associated with a CF_HWPREDICT RRA. */
-int
-create_hw_contingent_rras(rrd_t *rrd, unsigned short period, unsigned long hashed_name)
+int create_hw_contingent_rras(
+ rrd_t *rrd,
+ unsigned short period,
+ unsigned long hashed_name)
{
- size_t old_size;
- rra_def_t* current_rra;
-
+ size_t old_size;
+ rra_def_t *current_rra;
+
/* save index to CF_HWPREDICT */
- unsigned long hw_index = rrd -> stat_head -> rra_cnt;
+ unsigned long hw_index = rrd->stat_head->rra_cnt;
+
/* advance the pointer */
- (rrd -> stat_head -> rra_cnt)++;
+ (rrd->stat_head->rra_cnt)++;
/* allocate the memory for the 4 contingent RRAs */
- old_size = sizeof(rra_def_t)*(rrd -> stat_head->rra_cnt);
- if ((rrd -> rra_def = rrd_realloc(rrd -> rra_def,
- old_size+4*sizeof(rra_def_t)))==NULL)
- {
+ old_size = sizeof(rra_def_t) * (rrd->stat_head->rra_cnt);
+ if ((rrd->rra_def = (rra_def_t*)rrd_realloc(rrd->rra_def,
+ old_size + 4 * sizeof(rra_def_t))) ==
+ NULL) {
+ rrd_free2(rrd);
rrd_set_error("allocating rrd.rra_def");
- return(-1);
+ return (-1);
}
/* clear memory */
- memset(&(rrd -> rra_def[rrd -> stat_head->rra_cnt]), 0, 4*sizeof(rra_def_t));
-
+ memset(&(rrd->rra_def[rrd->stat_head->rra_cnt]), 0,
+ 4 * sizeof(rra_def_t));
+
/* create the CF_SEASONAL RRA */
- current_rra = &(rrd -> rra_def[rrd -> stat_head -> rra_cnt]);
- strcpy(current_rra -> cf_nam,"SEASONAL");
- current_rra -> row_cnt = period;
- current_rra -> par[RRA_seasonal_smooth_idx].u_cnt = hashed_name % period;
- current_rra -> pdp_cnt = 1;
- current_rra -> par[RRA_seasonal_gamma].u_val =
- rrd -> rra_def[hw_index].par[RRA_hw_alpha].u_val;
- current_rra -> par[RRA_dependent_rra_idx].u_cnt = hw_index;
- rrd -> rra_def[hw_index].par[RRA_dependent_rra_idx].u_cnt = rrd -> stat_head -> rra_cnt;
-
+ current_rra = &(rrd->rra_def[rrd->stat_head->rra_cnt]);
+ strcpy(current_rra->cf_nam, "SEASONAL");
+ current_rra->row_cnt = period;
+ current_rra->par[RRA_seasonal_smooth_idx].u_cnt = hashed_name % period;
+ current_rra->pdp_cnt = 1;
+ current_rra->par[RRA_seasonal_gamma].u_val =
+ rrd->rra_def[hw_index].par[RRA_hw_alpha].u_val;
+ current_rra->par[RRA_dependent_rra_idx].u_cnt = hw_index;
+ rrd->rra_def[hw_index].par[RRA_dependent_rra_idx].u_cnt =
+ rrd->stat_head->rra_cnt;
+
/* create the CF_DEVSEASONAL RRA */
- (rrd -> stat_head -> rra_cnt)++;
- current_rra = &(rrd -> rra_def[rrd -> stat_head -> rra_cnt]);
- strcpy(current_rra -> cf_nam,"DEVSEASONAL");
- current_rra -> row_cnt = period;
- current_rra -> par[RRA_seasonal_smooth_idx].u_cnt = hashed_name % period;
- current_rra -> pdp_cnt = 1;
- current_rra -> par[RRA_seasonal_gamma].u_val =
- rrd -> rra_def[hw_index].par[RRA_hw_alpha].u_val;
- current_rra -> par[RRA_dependent_rra_idx].u_cnt = hw_index;
-
+ (rrd->stat_head->rra_cnt)++;
+ current_rra = &(rrd->rra_def[rrd->stat_head->rra_cnt]);
+ strcpy(current_rra->cf_nam, "DEVSEASONAL");
+ current_rra->row_cnt = period;
+ current_rra->par[RRA_seasonal_smooth_idx].u_cnt = hashed_name % period;
+ current_rra->pdp_cnt = 1;
+ current_rra->par[RRA_seasonal_gamma].u_val =
+ rrd->rra_def[hw_index].par[RRA_hw_alpha].u_val;
+ current_rra->par[RRA_dependent_rra_idx].u_cnt = hw_index;
+
/* create the CF_DEVPREDICT RRA */
- (rrd -> stat_head -> rra_cnt)++;
- current_rra = &(rrd -> rra_def[rrd -> stat_head -> rra_cnt]);
- strcpy(current_rra -> cf_nam,"DEVPREDICT");
- current_rra -> row_cnt = (rrd -> rra_def[hw_index]).row_cnt;
- current_rra -> pdp_cnt = 1;
- current_rra -> par[RRA_dependent_rra_idx].u_cnt
- = hw_index + 2; /* DEVSEASONAL */
-
+ (rrd->stat_head->rra_cnt)++;
+ current_rra = &(rrd->rra_def[rrd->stat_head->rra_cnt]);
+ strcpy(current_rra->cf_nam, "DEVPREDICT");
+ current_rra->row_cnt = (rrd->rra_def[hw_index]).row_cnt;
+ current_rra->pdp_cnt = 1;
+ current_rra->par[RRA_dependent_rra_idx].u_cnt = hw_index + 2; /* DEVSEASONAL */
+
/* create the CF_FAILURES RRA */
- (rrd -> stat_head -> rra_cnt)++;
- current_rra = &(rrd -> rra_def[rrd -> stat_head -> rra_cnt]);
- strcpy(current_rra -> cf_nam,"FAILURES");
- current_rra -> row_cnt = period;
- current_rra -> pdp_cnt = 1;
- current_rra -> par[RRA_delta_pos].u_val = 2.0;
- current_rra -> par[RRA_delta_neg].u_val = 2.0;
- current_rra -> par[RRA_failure_threshold].u_cnt = 7;
- current_rra -> par[RRA_window_len].u_cnt = 9;
- current_rra -> par[RRA_dependent_rra_idx].u_cnt =
- hw_index + 2; /* DEVSEASONAL */
+ (rrd->stat_head->rra_cnt)++;
+ current_rra = &(rrd->rra_def[rrd->stat_head->rra_cnt]);
+ strcpy(current_rra->cf_nam, "FAILURES");
+ current_rra->row_cnt = period;
+ current_rra->pdp_cnt = 1;
+ current_rra->par[RRA_delta_pos].u_val = 2.0;
+ current_rra->par[RRA_delta_neg].u_val = 2.0;
+ current_rra->par[RRA_failure_threshold].u_cnt = 7;
+ current_rra->par[RRA_window_len].u_cnt = 9;
+ current_rra->par[RRA_dependent_rra_idx].u_cnt = hw_index + 2; /* DEVSEASONAL */
return 0;
}
/* create and empty rrd file according to the specs given */
-int
-rrd_create_fn(char *file_name, rrd_t *rrd)
+int rrd_create_fn(
+ const char *file_name,
+ rrd_t *rrd)
{
- unsigned long i,ii;
- FILE *rrd_file;
- rrd_value_t *unknown;
- int unkn_cnt;
-
- if ((rrd_file = fopen(file_name,"wb")) == NULL ) {
- rrd_set_error("creating '%s': %s",file_name, rrd_strerror(errno));
- free(rrd->stat_head);
- free(rrd->ds_def);
- free(rrd->rra_def);
- return(-1);
+ 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;
+
+ 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)) == NULL) {
+ rrd_set_error("creating '%s': %s", file_name, rrd_strerror(errno));
+ rrd_free2(rrd);
+ return (-1);
}
-
- fwrite(rrd->stat_head,
- sizeof(stat_head_t), 1, rrd_file);
-
- fwrite(rrd->ds_def,
- sizeof(ds_def_t), rrd->stat_head->ds_cnt, rrd_file);
-
- fwrite(rrd->rra_def,
- sizeof(rra_def_t), rrd->stat_head->rra_cnt, rrd_file);
-
- fwrite(rrd->live_head,
- sizeof(live_head_t),1, rrd_file);
-
- if((rrd->pdp_prep = calloc(1,sizeof(pdp_prep_t))) == NULL){
- rrd_set_error("allocating pdp_prep");
- rrd_free(rrd);
- fclose(rrd_file);
- return(-1);
+
+ rrd_write(rrd_file_dn, rrd->stat_head, sizeof(stat_head_t));
+
+ 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_set_error("allocating pdp_prep");
+ rrd_free2(rrd);
+ rrd_close(rrd_file_dn);
+ return (-1);
}
- strcpy(rrd->pdp_prep->last_ds,"UNKN");
+ 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++)
- fwrite( rrd->pdp_prep,sizeof(pdp_prep_t),1,rrd_file);
-
- if((rrd->cdp_prep = calloc(1,sizeof(cdp_prep_t))) == NULL){
- rrd_set_error("allocating cdp_prep");
- rrd_free(rrd);
- fclose(rrd_file);
- return(-1);
+ 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_set_error("allocating cdp_prep");
+ rrd_free2(rrd);
+ rrd_close(rrd_file_dn);
+ return (-1);
}
- for(i=0; i < rrd->stat_head->rra_cnt; i++) {
- switch (cf_conv(rrd->rra_def[i].cf_nam))
- {
- case CF_HWPREDICT:
- 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++)
- {
- fwrite( rrd->cdp_prep,sizeof(cdp_prep_t),1,rrd_file);
- }
+ 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 = calloc(1,sizeof(rra_ptr_t))) == NULL) {
- rrd_set_error("allocating rra_ptr");
- rrd_free(rrd);
- fclose(rrd_file);
- return(-1);
+
+ if ((rrd->rra_ptr = (rra_ptr_t*)calloc(1, sizeof(rra_ptr_t))) == NULL) {
+ rrd_set_error("allocating rra_ptr");
+ rrd_free2(rrd);
+ rrd_close(rrd_file_dn);
+ return (-1);
}
-
+
/* 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->rra_def[i].row_cnt - 1;
- fwrite( rrd->rra_ptr, sizeof(rra_ptr_t),1,rrd_file);
+ 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_set_error("allocating unknown");
- rrd_free(rrd);
- fclose(rrd_file);
- return(-1);
+ 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);
+ return (-1);
}
for (i = 0; i < 512; ++i)
- unknown[i] = DNAN;
-
- 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;
-
+ unknown[i] = DNAN;
+
while (unkn_cnt > 0) {
- fwrite(unknown, sizeof(rrd_value_t), min(unkn_cnt, 512), rrd_file);
- unkn_cnt -= 512;
- }
+ 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;
+ }
+
+ unkn_cnt -= 512;
+ }
free(unknown);
-
- /* lets see if we had an error */
- if(ferror(rrd_file)){
- rrd_set_error("a file error occurred while creating '%s'",file_name);
- fclose(rrd_file);
- rrd_free(rrd);
- return(-1);
+ rrd_free2(rrd);
+ if (rrd_close(rrd_file_dn) == -1) {
+ rrd_set_error("creating rrd: %s", rrd_strerror(errno));
+ return -1;
+ }
+ /* 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)) != NULL)
+ {
+ rrd_dontneed(rrd_file_dn, &rrd_dn);
+ /* rrd_free(&rrd_dn); */
+ rrd_close(rrd_file_dn);
}
-
- fclose(rrd_file);
- rrd_free(rrd);
return (0);
}
+
+
+static void rrd_free2(
+ rrd_t *rrd)
+{
+ free(rrd->live_head);
+ free(rrd->stat_head);
+ free(rrd->ds_def);
+ free(rrd->rra_def);
+ free(rrd->rra_ptr);
+ free(rrd->pdp_prep);
+ free(rrd->cdp_prep);
+ free(rrd->rrd_value);
+}
+
projects / rrdtool.git / blobdiff