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GRIB message validity checker: Sections

This commit is contained in:
shahramn 2024-12-23 11:58:06 +00:00
parent c59047f34f
commit ef506078b5
2 changed files with 38 additions and 2 deletions
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23
src/accessor/grib_accessor_class_message_is_valid.cc
View File

@ -9,6 +9,7 @@
*/
#include "grib_accessor_class_message_is_valid.h"
#include <cstdio>
grib_accessor_message_is_valid_t _grib_accessor_message_is_valid{};
grib_accessor* grib_accessor_message_is_valid = &_grib_accessor_message_is_valid;
@ -103,8 +104,30 @@ static int check_geoiterator(grib_handle* h)
return err;
}
static int check_sections(grib_handle* h)
{
int err = 0;
long edition = 0;
err = grib_get_long_internal(h, "edition", &edition);
if (err) return err;
if (edition == 2) {
// sections 3 thru to 8 should exist
// section 2 is optional
for (size_t i=3; i<9; ++i) {
char sname[16] = {0,};
snprintf(sname, sizeof(sname), "section_%zu", i);
if (!grib_is_defined(h, sname)) {
grib_context_log(h->context, GRIB_LOG_ERROR, "Section %zu is missing!", i);
return GRIB_INVALID_MESSAGE;
}
}
}
return GRIB_SUCCESS;
}
typedef int (*proj_func)(grib_handle*);
static proj_func check_functions[] = {
check_sections,
check_field_values,
check_grid_pl_array,
check_geoiterator

17
tests/grib_check_message_validity.sh
View File

@ -14,8 +14,18 @@ tempGrib=temp.$label.grib
tempText=temp.$label.txt
tempFilt=temp.$label.filt
sample=$ECCODES_SAMPLES_PATH/reduced_gg_pl_32_grib2.tmpl
grib_check_key_equals $sample isMessageValid 1
grib_check_key_equals $ECCODES_SAMPLES_PATH/reduced_gg_pl_32_grib2.tmpl isMessageValid 1
grib_check_key_equals $ECCODES_SAMPLES_PATH/GRIB2.tmpl isMessageValid 1
# Bad sections
# ---------------
# Correct key order: NV=6,PVPresent=1
${tools_dir}/grib_set -s PVPresent=1,NV=6 $ECCODES_SAMPLES_PATH/reduced_gg_pl_128_grib2.tmpl $tempGrib
grib_check_key_equals $tempGrib isMessageValid 0 2>$tempText
grep -q "Section 5 is missing" $tempText
grep -q "Error instantiating iterator gaussian_reduced" $tempText
# Check regular lat/lon
# ------------------------------
@ -26,6 +36,7 @@ grep -q "Regular grid Geoiterator" $tempText
# Check reduced Gaussian grid Ni
# ------------------------------
sample=$ECCODES_SAMPLES_PATH/reduced_gg_pl_32_grib2.tmpl
cat >$tempFilt<<EOF
set Ni = 0; # illegal
assert ( isMessageValid == 0 );
@ -39,8 +50,10 @@ grep -q "Invalid Ni" $tempText
grib_check_key_equals $tempGrib isMessageValid 0
grib_check_key_equals $sample isMessageValid 1
# Check reduced Gaussian grid pl
# ------------------------------
sample=$ECCODES_SAMPLES_PATH/reduced_gg_pl_32_grib2.tmpl
cat >$tempFilt<<EOF
meta pl_elem4 element(pl, 4);
set pl_elem4 = 0;