eccodes/tests/read_any.c

83 lines
2.5 KiB
C

/*
* Copyright 2005-2019 ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
#include "grib_api_internal.h"
static void usage (const char *prog)
{
printf ("usage: %s infile\n", prog);
exit (1);
}
static unsigned char buffer[50000000];
int main (int argc, char *argv[])
{
char *filename;
FILE *f;
grib_handle *h = NULL;
grib_context *c;
size_t size = 0;
int ret = 0;
size_t bufsize = sizeof (buffer);
long count, step, edition, totalLength;
char gridType[50], levelType[50], level[50], shortName[50];
size_t gridTypelen = sizeof (gridType);
size_t levelTypelen = sizeof (levelType);
size_t levellen = sizeof (level);
size_t shortNamelen = sizeof (shortName);
size_t len;
if (argc != 2)
usage (argv[0]);
filename = argv[1];
f = fopen (filename, "rb");
if (!f) {
perror (filename);
exit (1);
}
c = grib_context_get_default ();
size = bufsize;
count = 1;
while ((ret = grib_read_any_from_file (c, f, buffer, &size)) == GRIB_SUCCESS) {
if ((1)) {
h = grib_handle_new_from_message_copy (c, buffer, size);
if (!h) {
printf ("unable to new from message\n");
exit (1);
}
else {
grib_get_long (h, "edition", &edition);
grib_get_long (h, "step", &step);
grib_get_long (h, "totalLength", &totalLength);
len = gridTypelen;
grib_get_string (h, "gridType", gridType, &len);
len = levelTypelen;
GRIB_CHECK (grib_get_string (h, "levelType", levelType, &len), 0);
len = levellen;
grib_get_string (h, "level", level, &len);
len = shortNamelen;
grib_get_string (h, "shortName", shortName, &len);
printf ("- %3ld -\t ed=%ld\t size=%8ld totalLength=%8ld \t %s\t %s\t %s\t level=%s\t step=%ld\n",
count, edition, (long) size, totalLength, shortName, gridType, levelType, level, step);
grib_handle_delete (h);
}
}
else {
printf ("MESSAGE #%ld\n", count);
}
size = bufsize;
count++;
}
return 0;
}