/* #define DEBUG */ 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; 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 = (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 = (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_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->rra_cnt = 0; /* ditto */ rrd.stat_head->pdp_step = pdp_step; /* 5 minute default */ /* a default value */ rrd.ds_def = NULL; 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. */ 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 = (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"); } 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)) { case DST_COUNTER: case DST_ABSOLUTE: case DST_GAUGE: case DST_DERIVE: 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); break; default: rrd_set_error("invalid DS type specified"); break; } if (rrd_test_error()) { 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); 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_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) { case 0: 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)) { 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; 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_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; 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; break; /* invalid consolidation function */ case -1: rrd_set_error ("Unrecognized consolidation function %s", rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam); default: break; } /* 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)) { case CF_HWPREDICT: case CF_MHWPREDICT: case CF_DEVSEASONAL: case CF_SEASONAL: case CF_DEVPREDICT: case CF_FAILURES: 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"); break; } break; case 2: switch (cf_conv (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) { case CF_HWPREDICT: 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"); break; case CF_DEVSEASONAL: case CF_SEASONAL: 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; 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); 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 = atoi(token) - 1; break; default: 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)) { case CF_HWPREDICT: 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"); 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 = 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); /* 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"); break; case CF_DEVPREDICT: /* shouldn't be any more arguments */ rrd_set_error ("Unexpected extra argument for consolidation function DEVPREDICT"); break; default: 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)) { 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 = 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"); 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); break; } break; case 5: /* If we are here, this must be a CF_HWPREDICT RRA. * Specifies the index (1-based) of CF_SEASONAL array * associated with this CF_HWPREDICT array. If this argument * 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; break; default: /* should never get here */ rrd_set_error("Unknown error"); break; } /* end switch */ if (rrd_test_error()) { /* all errors are unrecoverable */ free(argvcopy); rrd_free2(&rrd); return (-1); } token = strtok_r(NULL, ":", &tokptr); token_idx++; } /* 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); #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 || 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"); #endif if (create_hw_contingent_rras(&rrd, period, hashed_name) == -1) { rrd_set_error("creating contingent RRA"); rrd_free2(&rrd); return -1; } } 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_free2(&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); }
/* #define DEBUG */ 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; char dummychar1[2], dummychar2[2]; unsigned short token_idx, error_flag, period = 0; unsigned long hashed_name; int ret = 0; /* init rrd clean */ rrd_init(&rrd); /* static header */ if ((rrd.stat_head = (stat_head_t*)calloc(1, sizeof(stat_head_t))) == NULL) { rrd_free2(&rrd); return -RRD_ERR_ALLOC; } /* live header */ if ((rrd.live_head = (live_head_t*)calloc(1, sizeof(live_head_t))) == NULL) { rrd_free2(&rrd); return -RRD_ERR_ALLOC; } /* set some defaults */ 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->rra_cnt = 0; /* ditto */ rrd.stat_head->pdp_step = pdp_step; /* 5 minute default */ /* a default value */ rrd.ds_def = NULL; 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. */ 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 = (ds_def_t*)rrd_realloc(rrd.ds_def, old_size + sizeof(ds_def_t))) == NULL) { rrd_free2(&rrd); return -RRD_ERR_ALLOC; } 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: ret = -RRD_ERR_INVALID_DS_NAME; break; case 2: case 3: ret = -RRD_ERR_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) ret = -RRD_ERR_DUPLICATE_DS_NAME; /* DS_type may be valid or not. Checked later */ break; default: ret = -RRD_ERR_INVALID_DS_FORMAT; } if (ret) { rrd_free2(&rrd); return ret; } /* parse the remainder of the arguments */ switch (dst_conv(rrd.ds_def[rrd.stat_head->ds_cnt].dst)) { case DST_COUNTER: case DST_ABSOLUTE: case DST_GAUGE: case DST_DERIVE: ret = parseGENERIC_DS(&argv[i][offset + 3], &rrd, rrd.stat_head->ds_cnt); break; case DST_CDEF: ret = parseCDEF_DS(&argv[i][offset + 3], &rrd, rrd.stat_head->ds_cnt); break; default: ret = -RRD_ERR_INVALID_DS_TYPE_SPEC; break; } if (ret) { rrd_free2(&rrd); return ret; } rrd.stat_head->ds_cnt++; } else if (strncmp(argv[i], "RRA:", 4) == 0) { char *argvcopy; char *tokptr = ""; int cf_id = -1; size_t old_size = sizeof(rra_def_t) * (rrd.stat_head->rra_cnt); int row_cnt; int token_min = 4; if ((rrd.rra_def = (rra_def_t*)rrd_realloc(rrd.rra_def, old_size + sizeof(rra_def_t))) == NULL) { rrd_free2(&rrd); return -RRD_ERR_ALLOC; } 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) { case 0: if (sscanf(token, CF_NAM_FMT, rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) != 1) ret = -RRD_ERR_FAILED_PARSE_CF_NAME; cf_id = cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam); switch (cf_id) { case CF_MHWPREDICT: strcpy(rrd.stat_head->version, RRD_VERSION); /* MHWPREDICT causes Version 4 */ case CF_HWPREDICT: token_min = 5; /* 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; break; case CF_DEVSEASONAL: token_min = 3; case CF_SEASONAL: if (cf_id == CF_SEASONAL){ token_min = 4; } /* 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_smoothing_window].u_val = 0.05; /* fall through */ case CF_DEVPREDICT: if (cf_id == CF_DEVPREDICT){ token_min = 3; } rrd.rra_def[rrd.stat_head->rra_cnt]. par[RRA_dependent_rra_idx].u_cnt = -1; break; case CF_FAILURES: token_min = 5; 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: ret = -RRD_ERR_UNREC_CONSOLIDATION_FUNC; default: break; } /* 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)) { case CF_HWPREDICT: case CF_MHWPREDICT: case CF_DEVSEASONAL: case CF_SEASONAL: case CF_DEVPREDICT: case CF_FAILURES: row_cnt = atoi(token); if (row_cnt <= 0) ret = -RRD_ERR_INVALID_ROW_COUNT; 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) ret = -RRD_ERR_INVALID_XFF; break; } break; case 2: switch (cf_conv (rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) { case CF_HWPREDICT: 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) ret = -RRD_ERR_INVALID_ALPHA; break; case CF_DEVSEASONAL: case CF_SEASONAL: 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) ret = -RRD_ERR_INVALID_GAMMA; 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) ret = -RRD_ERR_FAILURE_THRESHOLD_OUT_OF_RANGE; 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 = atoi(token) - 1; break; default: rrd.rra_def[rrd.stat_head->rra_cnt].pdp_cnt = atoi(token); if (atoi(token) < 1) ret = -RRD_ERR_INVALID_STEP; break; } break; case 3: switch (cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam)) { case CF_HWPREDICT: 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) ret = -RRD_ERR_INVALID_BETA; 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 = 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) ret = RRD_ERR_WIN_LEN_OUT_OF_RANGE; /* 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) ret = -RRD_ERR_WINLEN_SHORTER_FAILURE_THRESHOLD; break; case CF_DEVPREDICT: /* shouldn't be any more arguments */ ret = -RRD_ERR_INVALID_ARG1; break; default: row_cnt = atoi(token); if (row_cnt <= 0) ret = -RRD_ERR_INVALID_ROW_COUNT; #if SIZEOF_TIME_T == 4 if ((long long) pdp_step * rrd.rra_def[rrd.stat_head->rra_cnt].pdp_cnt * row_cnt > 4294967296LL){ /* database timespan > 2**32, would overflow time_t */ ret = -RRD_ERR_TIME_TOO_LARGE; } #endif 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)) { 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 = 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) { ret = -RRD_ERR_INVALID_SMOOTHING_WINDOW; } } else { ret = -RRD_ERR_INVALID_OPT; } 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) ret = -RRD_ERR_LEN_OF_SEASONAL_CYCLE; break; default: /* shouldn't be any more arguments */ ret = -RRD_ERR_INVALID_ARG2; break; } break; case 5: /* If we are here, this must be a CF_HWPREDICT RRA. * Specifies the index (1-based) of CF_SEASONAL array * associated with this CF_HWPREDICT array. If this argument * 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; break; default: /* should never get here */ ret = -RRD_ERR_UNKNOWN_ERROR; break; } /* end switch */ if (ret) { /* all errors are unrecoverable */ free(argvcopy); rrd_free2(&rrd); return ret; } token = strtok_r(NULL, ":", &tokptr); token_idx++; } /* end while */ free(argvcopy); if (token_idx < token_min){ rrd_free2(&rrd); return(-RRD_ERR_ARG3); } #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); #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 || 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"); #endif if (create_hw_contingent_rras(&rrd, period, hashed_name) == -1) { rrd_free2(&rrd); return (-RRD_ERR_CREATING_RRA); } } rrd.stat_head->rra_cnt++; } else { rrd_free2(&rrd); return (-RRD_ERR_ARG4); } } if (rrd.stat_head->rra_cnt < 1) { rrd_free2(&rrd); return (-RRD_ERR_ARG5); } if (rrd.stat_head->ds_cnt < 1) { rrd_free2(&rrd); return (-RRD_ERR_ARG6); } return rrd_create_fn(filename, &rrd); }
int rrd_create(int argc, char **argv) { rrd_t rrd; long i,long_tmp; time_t last_up; struct rrd_time_value last_up_tv; char *parsetime_error = NULL; /* init last_up */ last_up = time(NULL)-10; /* 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"); return(-1); } /* live header */ if((rrd.live_head = calloc(1,sizeof(live_head_t)))==NULL){ rrd_set_error("allocating rrd.live_head"); return(-1); } /* set some defaults */ strcpy(rrd.stat_head->cookie,RRD_COOKIE); strcpy(rrd.stat_head->version,RRD_VERSION); rrd.stat_head->float_cookie = FLOAT_COOKIE; rrd.stat_head->ds_cnt = 0; /* this will be adjusted later */ rrd.stat_head->rra_cnt = 0; /* ditto */ rrd.stat_head->pdp_step = 300; /* 5 minute default */ /* a default value */ rrd.ds_def = NULL; rrd.rra_def = NULL; 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 ); rrd_free(&rrd); 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"); rrd_free(&rrd); 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"); rrd_free(&rrd); 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"); rrd_free(&rrd); return(-1); } rrd.stat_head->pdp_step = long_tmp; 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); return(-1); } } rrd.live_head->last_up = last_up; for(i=optind+1;i<argc;i++){ char minstr[DS_NAM_SIZE], maxstr[DS_NAM_SIZE]; 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)); if (sscanf(&argv[i][3], DS_NAM_FMT ":" DST_FMT ":%lu:%18[^:]:%18[^:]", rrd.ds_def[rrd.stat_head->ds_cnt].ds_nam, rrd.ds_def[rrd.stat_head->ds_cnt].dst, &rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_mrhb_cnt].u_cnt, minstr,maxstr) == 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); rrd_free(&rrd); return(-1); } } if(dst_conv(rrd.ds_def[rrd.stat_head->ds_cnt].dst) == -1){ rrd_free(&rrd); return (-1); } if (minstr[0] == 'U' && minstr[1] == 0) rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_min_val].u_val = DNAN; else rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_min_val].u_val = atof(minstr); if (maxstr[0] == 'U' && maxstr[1] == 0) rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_max_val].u_val = DNAN; else rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_max_val].u_val = atof(maxstr); if (! isnan(rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_min_val].u_val) && ! isnan(rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_max_val].u_val) && rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_min_val].u_val >= rrd.ds_def[rrd.stat_head->ds_cnt].par[DS_max_val].u_val ) { rrd_set_error("min must be less than max in DS definition"); rrd_free(&rrd); return (-1); } rrd.stat_head->ds_cnt++; } else { rrd_set_error("can't parse argument '%s'",argv[i]); rrd_free(&rrd); return (-1); } } else if (strncmp(argv[i],"RRA:",3)==0){ 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_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)); if (sscanf(&argv[i][4], CF_NAM_FMT ":%lf:%lu:%lu", rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam, &rrd.rra_def[rrd.stat_head->rra_cnt].par[RRA_cdp_xff_val].u_val, &rrd.rra_def[rrd.stat_head->rra_cnt].pdp_cnt, &rrd.rra_def[rrd.stat_head->rra_cnt].row_cnt) == 4){ if(cf_conv(rrd.rra_def[rrd.stat_head->rra_cnt].cf_nam) == -1){ rrd_free(&rrd); return (-1); } 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("the xff must always be >= 0 and < 1"); rrd_free(&rrd); return (-1); } rrd.stat_head->rra_cnt++; } else { rrd_set_error("can't parse argument '%s'",argv[i]); rrd_free(&rrd); return (-1); } } else { rrd_set_error("can't parse argument '%s'",argv[i]); 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_free(&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); } return rrd_create_fn(argv[optind],&rrd); }