eccodes/tests/read_any.cc

84 lines
2.6 KiB
C++

/*
* (C) Copyright 2005- 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.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++;
}
grib_context_delete(grib_context_get_default());
return 0;
}