X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_update.c;h=0335a9ef27670a37e1e10675ac3281dac8f9d710;hp=a6a0435c3f954c4dc0bf174f11f8adbfa83de5c0;hb=096bb3f53482c95c3d2dd09e8c7b2329f6c1c2ff;hpb=2a9b0ff9cf29cf82b7b12ea80889c59273d66008 diff --git a/src/rrd_update.c b/src/rrd_update.c index a6a0435..0335a9e 100644 --- a/src/rrd_update.c +++ b/src/rrd_update.c @@ -1,5 +1,5 @@ /***************************************************************************** - * RRDtool 1.4.2 Copyright by Tobi Oetiker, 1997-2009 + * RRDtool 1.4.3 Copyright by Tobi Oetiker, 1997-2010 * Copyright by Florian Forster, 2008 ***************************************************************************** * rrd_update.c RRD Update Function @@ -212,7 +212,6 @@ static void initialize_cdp_val( unival *scratch, int current_cf, rrd_value_t pdp_temp_val, - unsigned long elapsed_pdp_st, unsigned long start_pdp_offset, unsigned long pdp_cnt); @@ -227,8 +226,9 @@ static void reset_cdp( int cdp_idx, enum cf_en current_cf); -static rrd_value_t initialize_average_carry_over( +static rrd_value_t initialize_carry_over( rrd_value_t pdp_temp_val, + int current_cf, unsigned long elapsed_pdp_st, unsigned long start_pdp_offset, unsigned long pdp_cnt); @@ -905,12 +905,16 @@ static int parse_ds( if (i < tmpl_cnt) { updvals[tmpl_idx[i++]] = p + 1; } + else { + rrd_set_error("found extra data on update argument: %s",p+1); + return -1; + } } } if (i != tmpl_cnt) { rrd_set_error("expected %lu data source readings (got %lu) from %s", - tmpl_cnt - 1, i, input); + tmpl_cnt - 1, i - 1, input); return -1; } @@ -1039,15 +1043,22 @@ static int update_pdp_prep( switch (dst_idx) { case DST_COUNTER: case DST_DERIVE: - for (ii = 0; updvals[ds_idx + 1][ii] != '\0'; ii++) { - if ((updvals[ds_idx + 1][ii] < '0' - || updvals[ds_idx + 1][ii] > '9') - && (ii != 0 && updvals[ds_idx + 1][ii] != '-')) { - rrd_set_error("not a simple integer: '%s'", - updvals[ds_idx + 1]); + /* Check if this is a valid integer. `U' is already handled in + * another branch. */ + for (ii = 0; updvals[ds_idx + 1][ii] != 0; ii++) { + if ((ii == 0) && (dst_idx == DST_DERIVE) + && (updvals[ds_idx + 1][ii] == '-')) + continue; + + if ((updvals[ds_idx + 1][ii] < '0') + || (updvals[ds_idx + 1][ii] > '9')) { + rrd_set_error("not a simple %s integer: '%s'", + (dst_idx == DST_DERIVE) ? "signed" : "unsigned", + updvals[ds_idx + 1]); return -1; } - } + } /* for (ii = 0; updvals[ds_idx + 1][ii] != 0; ii++) */ + if (rrd->pdp_prep[ds_idx].last_ds[0] != 'U') { pdp_new[ds_idx] = rrd_diff(updvals[ds_idx + 1], @@ -1343,6 +1354,10 @@ static int process_pdp_st( rpnp = rpn_expand((rpn_cdefds_t *) &(rrd->ds_def[ds_idx].par[DS_cdef])); + if(rpnp == NULL) { + rpnstack_free(&rpnstack); + return -1; + } /* substitute data values for OP_VARIABLE nodes */ for (i = 0; rpnp[i].op != OP_END; i++) { if (rpnp[i].op == OP_VARIABLE) { @@ -1356,6 +1371,7 @@ static int process_pdp_st( rpnstack_free(&rpnstack); return -1; } + free(rpnp); } /* make pdp_prep ready for the next run */ @@ -1582,18 +1598,15 @@ static void update_cdp( if (*cdp_unkn_pdp_cnt > pdp_cnt * xff) { *cdp_primary_val = DNAN; - if (current_cf == CF_AVERAGE) { - *cdp_val = - initialize_average_carry_over(pdp_temp_val, - elapsed_pdp_st, - start_pdp_offset, pdp_cnt); - } else { - *cdp_val = pdp_temp_val; - } } else { initialize_cdp_val(scratch, current_cf, pdp_temp_val, - elapsed_pdp_st, start_pdp_offset, pdp_cnt); - } /* endif meets xff value requirement for a valid value */ + start_pdp_offset, pdp_cnt); + } + *cdp_val = + initialize_carry_over(pdp_temp_val,current_cf, + elapsed_pdp_st, + start_pdp_offset, pdp_cnt); + /* endif meets xff value requirement for a valid value */ /* initialize carry over CDP_unkn_pdp_cnt, this must after CDP_primary_val * is set because CDP_unkn_pdp_cnt is required to compute that value. */ if (isnan(pdp_temp_val)) @@ -1629,7 +1642,6 @@ static void initialize_cdp_val( unival *scratch, int current_cf, rrd_value_t pdp_temp_val, - unsigned long elapsed_pdp_st, unsigned long start_pdp_offset, unsigned long pdp_cnt) { @@ -1642,13 +1654,11 @@ static void initialize_cdp_val( scratch[CDP_primary_val].u_val = (cum_val + cur_val * start_pdp_offset) / (pdp_cnt - scratch[CDP_unkn_pdp_cnt].u_cnt); - scratch[CDP_val].u_val = - initialize_average_carry_over(pdp_temp_val, elapsed_pdp_st, - start_pdp_offset, pdp_cnt); break; - case CF_MAXIMUM: + case CF_MAXIMUM: cum_val = IFDNAN(scratch[CDP_val].u_val, -DINF); cur_val = IFDNAN(pdp_temp_val, -DINF); + #if 0 #ifdef DEBUG if (isnan(scratch[CDP_val].u_val) && isnan(pdp_temp)) { @@ -1663,8 +1673,6 @@ static void initialize_cdp_val( scratch[CDP_primary_val].u_val = cur_val; else scratch[CDP_primary_val].u_val = cum_val; - /* initialize carry over value */ - scratch[CDP_val].u_val = pdp_temp_val; break; case CF_MINIMUM: cum_val = IFDNAN(scratch[CDP_val].u_val, DINF); @@ -1683,14 +1691,10 @@ static void initialize_cdp_val( scratch[CDP_primary_val].u_val = cur_val; else scratch[CDP_primary_val].u_val = cum_val; - /* initialize carry over value */ - scratch[CDP_val].u_val = pdp_temp_val; break; case CF_LAST: default: scratch[CDP_primary_val].u_val = pdp_temp_val; - /* initialize carry over value */ - scratch[CDP_val].u_val = pdp_temp_val; break; } } @@ -1752,17 +1756,34 @@ static void reset_cdp( } } -static rrd_value_t initialize_average_carry_over( +static rrd_value_t initialize_carry_over( rrd_value_t pdp_temp_val, + int current_cf, unsigned long elapsed_pdp_st, unsigned long start_pdp_offset, unsigned long pdp_cnt) { - /* initialize carry over value */ - if (isnan(pdp_temp_val)) { - return DNAN; - } - return pdp_temp_val * ((elapsed_pdp_st - start_pdp_offset) % pdp_cnt); + unsigned long pdp_into_cdp_cnt = ((elapsed_pdp_st - start_pdp_offset) % pdp_cnt); + if ( pdp_into_cdp_cnt == 0 || isnan(pdp_temp_val)){ + switch (current_cf) { + case CF_MAXIMUM: + return -DINF; + case CF_MINIMUM: + return DINF; + case CF_AVERAGE: + return 0; + default: + return DNAN; + } + } + else { + switch (current_cf) { + case CF_AVERAGE: + return pdp_temp_val * pdp_into_cdp_cnt ; + default: + return pdp_temp_val; + } + } } /*