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eccodes/src/grib_context.cc

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/*
* (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_internal.h"
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#ifndef ECCODES_ON_WINDOWS
#include <unistd.h>
#else
#include <fcntl.h> /* Windows: for _O_BINARY */
#endif
#ifdef ENABLE_FLOATING_POINT_EXCEPTIONS
#include <fenv.h>
int feenableexcept(int excepts);
#endif
grib_string_list grib_file_not_found;
/* Windows always has a colon in pathnames e.g. C:\temp\file. So instead we use semi-colons as delimiter */
/* in order to have multiple definitions/samples directories */
#ifdef ECCODES_ON_WINDOWS
#define ECC_PATH_DELIMITER_CHAR ';'
#define ECC_PATH_DELIMITER_STR ";"
#else
#define ECC_PATH_DELIMITER_CHAR ':'
#define ECC_PATH_DELIMITER_STR ":"
#endif
#if GRIB_PTHREADS
static pthread_once_t once = PTHREAD_ONCE_INIT;
static pthread_mutex_t mutex_mem = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t mutex_c = PTHREAD_MUTEX_INITIALIZER;
static void init()
{
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&mutex_c, &attr);
pthread_mutex_init(&mutex_mem, &attr);
pthread_mutexattr_destroy(&attr);
}
#elif GRIB_OMP_THREADS
static int once = 0;
static omp_nest_lock_t mutex_mem;
static omp_nest_lock_t mutex_c;
static void init()
{
GRIB_OMP_CRITICAL(lock_grib_context_c)
{
if (once == 0) {
omp_init_nest_lock(&mutex_mem);
omp_init_nest_lock(&mutex_c);
once = 1;
}
}
}
#endif
#if MANAGE_MEM
#else
static void default_long_lasting_free(const grib_context* c, void* p)
{
free(p);
}
static void* default_long_lasting_malloc(const grib_context* c, size_t size)
{
void* ret;
ret = malloc(size);
if (!ret) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return ret;
}
static void default_buffer_free(const grib_context* c, void* p)
{
free(p);
}
static void* default_buffer_malloc(const grib_context* c, size_t size)
{
void* ret;
ret = malloc(size);
if (!ret) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return ret;
}
static void* default_buffer_realloc(const grib_context* c, void* p, size_t size)
{
void* ret;
ret = realloc(p, size);
if (!ret) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return ret;
}
static void default_free(const grib_context* c, void* p)
{
free(p);
}
static void* default_malloc(const grib_context* c, size_t size)
{
void* ret;
ret = malloc(size);
if (!ret) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return ret;
}
static void* default_realloc(const grib_context* c, void* p, size_t size)
{
void* ret;
ret = realloc(p, size);
if (!ret) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return ret;
}
#endif
static size_t default_read(const grib_context* c, void* ptr, size_t size, void* stream)
{
return fread(ptr, 1, size, (FILE*)stream);
}
static off_t default_tell(const grib_context* c, void* stream)
{
return ftello((FILE*)stream);
}
static off_t default_seek(const grib_context* c, off_t offset, int whence, void* stream)
{
return fseeko((FILE*)stream, offset, whence);
}
static int default_feof(const grib_context* c, void* stream)
{
return feof((FILE*)stream);
}
static size_t default_write(const grib_context* c, const void* ptr, size_t size, void* stream)
{
return fwrite(ptr, 1, size, (FILE*)stream);
}
size_t grib_context_read(const grib_context* c, void* ptr, size_t size, void* stream)
{
if (!c)
c = grib_context_get_default();
return c->read(c, ptr, size, stream);
}
off_t grib_context_tell(const grib_context* c, void* stream)
{
if (!c)
c = grib_context_get_default();
return c->tell(c, stream);
}
int grib_context_seek(const grib_context* c, off_t offset, int whence, void* stream)
{
if (!c)
c = grib_context_get_default();
return c->seek(c, offset, whence, stream);
}
int grib_context_eof(const grib_context* c, void* stream)
{
if (!c)
c = grib_context_get_default();
return c->eof(c, stream);
}
size_t grib_context_write(const grib_context* c, const void* ptr, size_t size, void* stream)
{
if (!c)
c = grib_context_get_default();
return c->write(c, ptr, size, stream);
}
static void default_log(const grib_context* c, int level, const char* mess)
{
if (!c)
c = grib_context_get_default();
if (level == GRIB_LOG_ERROR) {
fprintf(c->log_stream, "ECCODES ERROR : %s\n", mess);
/*Assert(1==0);*/
}
if (level == GRIB_LOG_FATAL)
fprintf(c->log_stream, "ECCODES ERROR : %s\n", mess);
if (level == GRIB_LOG_DEBUG && c->debug > 0)
fprintf(c->log_stream, "ECCODES DEBUG : %s\n", mess);
if (level == GRIB_LOG_WARNING)
fprintf(c->log_stream, "ECCODES WARNING : %s\n", mess);
if (level == GRIB_LOG_INFO)
fprintf(c->log_stream, "ECCODES INFO : %s\n", mess);
if (level == GRIB_LOG_FATAL) {
Assert(0);
}
if (getenv("ECCODES_FAIL_IF_LOG_MESSAGE")) {
long n = atol(getenv("ECCODES_FAIL_IF_LOG_MESSAGE"));
if (n >= 1 && level == GRIB_LOG_ERROR)
Assert(0);
if (n >= 2 && level == GRIB_LOG_WARNING)
Assert(0);
}
}
static void default_print(const grib_context* c, void* descriptor, const char* mess)
{
fprintf((FILE*)descriptor, "%s", mess);
}
void grib_context_set_print_proc(grib_context* c, grib_print_proc p)
{
c = c ? c : grib_context_get_default();
/* Set logging back to the default if p is NULL */
c->print = (p ? p : &default_print);
}
void grib_context_set_debug(grib_context* c, int mode)
{
c = c ? c : grib_context_get_default();
c->debug = mode;
}
void grib_context_set_logging_proc(grib_context* c, grib_log_proc p)
{
c = c ? c : grib_context_get_default();
/* Set logging back to the default if p is NULL */
c->output_log = (p ? p : &default_log);
}
long grib_get_api_version()
{
return ECCODES_VERSION;
}
void grib_print_api_version(FILE* out)
{
fprintf(out, "%d.%d.%d",
ECCODES_MAJOR_VERSION,
ECCODES_MINOR_VERSION,
ECCODES_REVISION_VERSION);
if (ECCODES_MAJOR_VERSION < 1) {
fprintf(out, "%s", " PRE-RELEASE");
}
}
const char* grib_get_package_name()
{
return "ecCodes";
}
#define DEFAULT_FILE_POOL_MAX_OPENED_FILES 0
static grib_context default_grib_context = {
0, /* inited */
0, /* debug */
0, /* write_on_fail */
0, /* no_abort */
0, /* io_buffer_size */
0, /* no_big_group_split */
0, /* no_spd */
0, /* keep_matrix */
0, /* show_hour_stepunit */
0, /* grib_definition_files_path */
0, /* grib_samples_path */
0, /* grib_concept_path */
0, /* grib_reader */
0, /* user data */
CODES_REAL_MODE8, /* real mode for fortran */
#if MANAGE_MEM
&grib_transient_free, /* free_mem */
&grib_transient_malloc, /* alloc_mem */
&grib_transient_realloc, /* realloc_mem */
&grib_permanent_free, /* free_persistant_mem */
&grib_permanent_malloc, /* alloc_persistant_mem */
&grib_buffer_free, /* buffer_free_mem */
&grib_buffer_malloc, /* buffer_alloc_mem */
&grib_buffer_realloc, /* buffer_realloc_mem */
#else
&default_free, /* free_mem */
&default_malloc, /* alloc_mem */
&default_realloc, /* realloc_mem */
&default_long_lasting_free, /* free_persistant_mem */
&default_long_lasting_malloc, /* alloc_persistant_mem */
&default_buffer_free, /* free_buffer_mem */
&default_buffer_malloc, /* alloc_buffer_mem */
&default_buffer_realloc, /* realloc_buffer_mem */
#endif
&default_read, /* file read procedure */
&default_write, /* file write procedure */
&default_tell, /* lfile tell procedure */
&default_seek, /* lfile seek procedure */
&default_feof, /* file feof procedure */
&default_log, /* output_log */
&default_print, /* print */
0, /* codetable */
0, /* smart_table */
0, /* outfilename */
0, /* multi_support_on */
0, /* multi_support */
0, /* grib_definition_files_dir */
0, /* handle_file_count */
0, /* handle_total_count */
0, /* message_file_offset */
0, /* no_fail_on_wrong_length */
0, /* gts_header_on */
0, /* gribex_mode_on */
0, /* large_constant_fields */
0, /* keys */
0, /* keys_count */
0, /* concepts_index */
0, /* concepts_count */
{0,}, /* concepts */
0, /* hash_array_index */
0, /* hash_array_count */
{0,}, /* hash_array */
0, /* def_files */
0, /* blocklist */
0, /* ieee_packing */
0, /* bufrdc_mode */
0, /* bufr_set_to_missing_if_out_of_range */
0, /* bufr_multi_element_constant_arrays */
0, /* grib_data_quality_checks */
0, /* single_precision */
0, /* log_stream */
0, /* classes */
0, /* lists */
0, /* expanded_descriptors */
DEFAULT_FILE_POOL_MAX_OPENED_FILES /* file_pool_max_opened_files */
#if GRIB_PTHREADS
,
PTHREAD_MUTEX_INITIALIZER /* mutex */
#endif
};
/* Hopefully big enough. Note: Definitions and samples path environment variables can contain SEVERAL colon-separated directories */
#define ECC_PATH_MAXLEN 8192
grib_context* grib_context_get_default()
{
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
if (!default_grib_context.inited) {
const char* write_on_fail = NULL;
const char* large_constant_fields = NULL;
const char* no_abort = NULL;
const char* debug = NULL;
const char* gribex = NULL;
const char* ieee_packing = NULL;
const char* io_buffer_size = NULL;
const char* log_stream = NULL;
const char* no_big_group_split = NULL;
const char* no_spd = NULL;
const char* keep_matrix = NULL;
const char* show_hour_stepunit = NULL;
const char* bufrdc_mode = NULL;
const char* bufr_set_to_missing_if_out_of_range = NULL;
const char* bufr_multi_element_constant_arrays = NULL;
const char* grib_data_quality_checks = NULL;
const char* single_precision = NULL;
const char* file_pool_max_opened_files = NULL;
#ifdef ENABLE_FLOATING_POINT_EXCEPTIONS
feenableexcept(FE_ALL_EXCEPT & ~FE_INEXACT);
#endif
write_on_fail = codes_getenv("ECCODES_GRIB_WRITE_ON_FAIL");
bufrdc_mode = getenv("ECCODES_BUFRDC_MODE_ON");
bufr_set_to_missing_if_out_of_range = getenv("ECCODES_BUFR_SET_TO_MISSING_IF_OUT_OF_RANGE");
bufr_multi_element_constant_arrays = getenv("ECCODES_BUFR_MULTI_ELEMENT_CONSTANT_ARRAYS");
grib_data_quality_checks = getenv("ECCODES_GRIB_DATA_QUALITY_CHECKS");
single_precision = getenv("ECCODES_SINGLE_PRECISION");
large_constant_fields = codes_getenv("ECCODES_GRIB_LARGE_CONSTANT_FIELDS");
no_abort = codes_getenv("ECCODES_NO_ABORT");
debug = codes_getenv("ECCODES_DEBUG");
gribex = codes_getenv("ECCODES_GRIBEX_MODE_ON");
ieee_packing = codes_getenv("ECCODES_GRIB_IEEE_PACKING");
io_buffer_size = codes_getenv("ECCODES_IO_BUFFER_SIZE");
log_stream = codes_getenv("ECCODES_LOG_STREAM");
no_big_group_split = codes_getenv("ECCODES_GRIB_NO_BIG_GROUP_SPLIT");
no_spd = codes_getenv("ECCODES_GRIB_NO_SPD");
keep_matrix = codes_getenv("ECCODES_GRIB_KEEP_MATRIX");
show_hour_stepunit = codes_getenv("ECCODES_GRIB_SHOW_HOUR_STEPUNIT");
file_pool_max_opened_files = getenv("ECCODES_FILE_POOL_MAX_OPENED_FILES");
/* On UNIX, when we read from a file we get exactly what is in the file on disk.
* But on Windows a file can be opened in binary or text mode. In binary mode the system behaves exactly as in UNIX.
*/
#ifdef ECCODES_ON_WINDOWS
_set_fmode(_O_BINARY);
#endif
default_grib_context.inited = 1;
default_grib_context.io_buffer_size = io_buffer_size ? atoi(io_buffer_size) : 0;
default_grib_context.no_big_group_split = no_big_group_split ? atoi(no_big_group_split) : 0;
default_grib_context.no_spd = no_spd ? atoi(no_spd) : 0;
default_grib_context.keep_matrix = keep_matrix ? atoi(keep_matrix) : 1;
default_grib_context.show_hour_stepunit = show_hour_stepunit ? atoi(show_hour_stepunit) : 0;
default_grib_context.write_on_fail = write_on_fail ? atoi(write_on_fail) : 0;
default_grib_context.no_abort = no_abort ? atoi(no_abort) : 0;
default_grib_context.debug = debug ? atoi(debug) : 0;
default_grib_context.gribex_mode_on = gribex ? atoi(gribex) : 0;
default_grib_context.large_constant_fields = large_constant_fields ? atoi(large_constant_fields) : 0;
default_grib_context.ieee_packing = ieee_packing ? atoi(ieee_packing) : 0;
default_grib_context.grib_samples_path = codes_getenv("ECCODES_SAMPLES_PATH");
default_grib_context.log_stream = stderr;
if (!log_stream) {
default_grib_context.log_stream = stderr;
}
else if (!strcmp(log_stream, "stderr")) {
default_grib_context.log_stream = stderr;
}
else if (!strcmp(log_stream, "stdout")) {
default_grib_context.log_stream = stdout;
}
#ifdef ECCODES_SAMPLES_PATH
if (!default_grib_context.grib_samples_path)
default_grib_context.grib_samples_path = ECCODES_SAMPLES_PATH;
#endif
default_grib_context.grib_definition_files_path = codes_getenv("ECCODES_DEFINITION_PATH");
#ifdef ECCODES_DEFINITION_PATH
if (!default_grib_context.grib_definition_files_path) {
default_grib_context.grib_definition_files_path = strdup(ECCODES_DEFINITION_PATH);
}
else {
default_grib_context.grib_definition_files_path = strdup(default_grib_context.grib_definition_files_path);
}
#endif
/* GRIB-779: Special case for ECMWF testing. Not for external use! */
/* Append the new path to our existing path */
{
const char* test_defs = codes_getenv("_ECCODES_ECMWF_TEST_DEFINITION_PATH");
const char* test_samp = codes_getenv("_ECCODES_ECMWF_TEST_SAMPLES_PATH");
if (test_defs) {
char buffer[ECC_PATH_MAXLEN]= {0,};
if (default_grib_context.grib_definition_files_path) {
strcpy(buffer, default_grib_context.grib_definition_files_path);
strcat(buffer, ":");
}
strcat(buffer, test_defs);
free(default_grib_context.grib_definition_files_path);
default_grib_context.grib_definition_files_path = strdup(buffer);
}
if (test_samp) {
char buffer[ECC_PATH_MAXLEN]= {0,};
if (default_grib_context.grib_samples_path) {
strcpy(buffer, default_grib_context.grib_samples_path);
strcat(buffer, ":");
}
strcat(buffer, test_samp);
default_grib_context.grib_samples_path = strdup(buffer);
}
}
/* Definitions path extra: Added at the head of (i.e. before) existing path */
{
const char* defs_extra = getenv("ECCODES_EXTRA_DEFINITION_PATH");
if (defs_extra) {
char buffer[ECC_PATH_MAXLEN]= {0,};
snprintf(buffer, ECC_PATH_MAXLEN, "%s%c%s", defs_extra, ECC_PATH_DELIMITER_CHAR, default_grib_context.grib_definition_files_path);
free(default_grib_context.grib_definition_files_path);
default_grib_context.grib_definition_files_path = strdup(buffer);
}
}
#ifdef ECCODES_DEFINITION_PATH
{
/* ECC-1088 */
if (strstr(default_grib_context.grib_definition_files_path, ECCODES_DEFINITION_PATH) == NULL) {
char buffer[ECC_PATH_MAXLEN]= {0,};
snprintf(buffer, ECC_PATH_MAXLEN, "%s%c%s", default_grib_context.grib_definition_files_path,
ECC_PATH_DELIMITER_CHAR, ECCODES_DEFINITION_PATH);
free(default_grib_context.grib_definition_files_path);
default_grib_context.grib_definition_files_path = strdup(buffer);
}
}
#endif
/* Samples path extra: Added at the head of (i.e. before) existing path */
{
const char* samples_extra = getenv("ECCODES_EXTRA_SAMPLES_PATH");
if (samples_extra) {
char buffer[ECC_PATH_MAXLEN];
snprintf(buffer, ECC_PATH_MAXLEN, "%s%c%s", samples_extra, ECC_PATH_DELIMITER_CHAR, default_grib_context.grib_samples_path);
default_grib_context.grib_samples_path = strdup(buffer);
}
}
#ifdef ECCODES_SAMPLES_PATH
{
if (strstr(default_grib_context.grib_samples_path, ECCODES_SAMPLES_PATH) == NULL) {
char buffer[ECC_PATH_MAXLEN];
snprintf(buffer, ECC_PATH_MAXLEN, "%s%c%s", default_grib_context.grib_samples_path,
ECC_PATH_DELIMITER_CHAR, ECCODES_SAMPLES_PATH);
default_grib_context.grib_samples_path = strdup(buffer);
}
}
#endif
grib_context_log(&default_grib_context, GRIB_LOG_DEBUG, "Definitions path: %s",
default_grib_context.grib_definition_files_path);
grib_context_log(&default_grib_context, GRIB_LOG_DEBUG, "Samples path: %s",
default_grib_context.grib_samples_path);
default_grib_context.keys_count = 0;
default_grib_context.keys = grib_hash_keys_new(&(default_grib_context), &(default_grib_context.keys_count));
default_grib_context.concepts_index = grib_itrie_new(&(default_grib_context), &(default_grib_context.concepts_count));
default_grib_context.hash_array_index = grib_itrie_new(&(default_grib_context), &(default_grib_context.hash_array_count));
default_grib_context.def_files = grib_trie_new(&(default_grib_context));
default_grib_context.lists = grib_trie_new(&(default_grib_context));
default_grib_context.classes = grib_trie_new(&(default_grib_context));
default_grib_context.bufrdc_mode = bufrdc_mode ? atoi(bufrdc_mode) : 0;
default_grib_context.bufr_set_to_missing_if_out_of_range = bufr_set_to_missing_if_out_of_range ? atoi(bufr_set_to_missing_if_out_of_range) : 0;
default_grib_context.bufr_multi_element_constant_arrays = bufr_multi_element_constant_arrays ? atoi(bufr_multi_element_constant_arrays) : 0;
default_grib_context.grib_data_quality_checks = grib_data_quality_checks ? atoi(grib_data_quality_checks) : 0;
default_grib_context.single_precision = single_precision ? atoi(single_precision) : 0;
default_grib_context.file_pool_max_opened_files = file_pool_max_opened_files ? atoi(file_pool_max_opened_files) : DEFAULT_FILE_POOL_MAX_OPENED_FILES;
}
GRIB_MUTEX_UNLOCK(&mutex_c);
return &default_grib_context;
}
// Do we really need this?
// grib_context* grib_context_new(grib_context* parent)
// {
// grib_context* c;
// #if GRIB_PTHREADS
// pthread_mutexattr_t attr;
// #endif
// if (!parent) parent=grib_context_get_default();
// GRIB_MUTEX_INIT_ONCE(&once,&init);
// GRIB_MUTEX_LOCK(&(parent->mutex));
// c = (grib_context*)grib_context_malloc_clear_persistent(&default_grib_context,sizeof(grib_context));
// c->inited = default_grib_context.inited;
// c->debug = default_grib_context.debug;
// c->real_mode = default_grib_context.real_mode;
// c->free_mem = default_grib_context.free_mem;
// c->alloc_mem = default_grib_context.alloc_mem;
// c->free_persistent_mem = default_grib_context.free_persistent_mem;
// c->alloc_persistent_mem= default_grib_context.alloc_persistent_mem;
// c->read = default_grib_context.read;
// c->write = default_grib_context.write;
// c->tell = default_grib_context.tell;
// c->output_log = default_grib_context.output_log;
// c->print = default_grib_context.print ;
// c->user_data = default_grib_context.user_data;
// c->def_files = default_grib_context.def_files;
// c->lists = default_grib_context.lists;
// #if GRIB_PTHREADS
// pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
// pthread_mutex_init(&mutex_c,&attr);
// pthread_mutexattr_destroy(&attr);
// #endif
// GRIB_MUTEX_UNLOCK(&(parent->mutex));
// return c;
// }
/* GRIB-235: Resolve path to expand symbolic links etc */
/* Note: return value is allocated. Client has to free */
char* codes_resolve_path(grib_context* c, const char* path)
{
char* result = NULL;
#if defined(ECCODES_HAVE_REALPATH)
char resolved[ECC_PATH_MAXLEN + 1];
if (!realpath(path, resolved)) {
result = grib_context_strdup(c, path); /* Failed to resolve. Use original path */
}
else {
result = grib_context_strdup(c, resolved);
}
#else
result = grib_context_strdup(c, path);
#endif
return result;
}
static int init_definition_files_dir(grib_context* c)
{
int err = 0;
char path[ECC_PATH_MAXLEN];
char* p = NULL;
char* lasts = NULL;
grib_string_list* next = NULL;
if (!c)
c = grib_context_get_default();
if (c->grib_definition_files_dir)
return 0;
if (!c->grib_definition_files_path)
return GRIB_NO_DEFINITIONS;
/* Note: strtok_r modifies its first argument so we copy */
strncpy(path, c->grib_definition_files_path, ECC_PATH_MAXLEN-1);
path[ ECC_PATH_MAXLEN - 1 ] = '\0';
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
p = path;
while (*p != ECC_PATH_DELIMITER_CHAR && *p != '\0')
p++;
if (*p != ECC_PATH_DELIMITER_CHAR) {
/* No delimiter found so this is a single directory */
c->grib_definition_files_dir = (grib_string_list*)grib_context_malloc_clear_persistent(c, sizeof(grib_string_list));
c->grib_definition_files_dir->value = codes_resolve_path(c, path);
}
else {
/* Definitions path contains multiple directories */
char* dir = NULL;
dir = strtok_r(path, ECC_PATH_DELIMITER_STR, &lasts);
while (dir != NULL) {
if (next) {
next->next = (grib_string_list*)grib_context_malloc_clear_persistent(c, sizeof(grib_string_list));
next = next->next;
}
else {
c->grib_definition_files_dir = (grib_string_list*)grib_context_malloc_clear_persistent(c, sizeof(grib_string_list));
next = c->grib_definition_files_dir;
}
next->value = codes_resolve_path(c, dir);
dir = strtok_r(NULL, ECC_PATH_DELIMITER_STR, &lasts);
}
}
GRIB_MUTEX_UNLOCK(&mutex_c);
return err;
}
char* grib_context_full_defs_path(grib_context* c, const char* basename)
{
int err = 0;
char full[1024] = {0,};
grib_string_list* dir = NULL;
grib_string_list* fullpath = 0;
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
if (*basename == '/' || *basename == '.') {
return (char*)basename;
}
else {
GRIB_MUTEX_LOCK(&mutex_c); /* See ECC-604 */
fullpath = (grib_string_list*)grib_trie_get(c->def_files, basename);
GRIB_MUTEX_UNLOCK(&mutex_c);
if (fullpath != NULL) {
return fullpath->value;
}
if (!c->grib_definition_files_dir) {
err = init_definition_files_dir(c);
}
if (err != GRIB_SUCCESS) {
grib_context_log(c, GRIB_LOG_ERROR,
"Unable to find definition files directory");
return NULL;
}
dir = c->grib_definition_files_dir;
while (dir) {
snprintf(full, sizeof(full), "%s/%s", dir->value, basename);
if (codes_access(full, F_OK) == 0) { /* 0 means file exists */
fullpath = (grib_string_list*)grib_context_malloc_clear_persistent(c, sizeof(grib_string_list));
Assert(fullpath);
fullpath->value = grib_context_strdup(c, full);
GRIB_MUTEX_LOCK(&mutex_c);
grib_trie_insert(c->def_files, basename, fullpath);
grib_context_log(c, GRIB_LOG_DEBUG, "Found def file %s", full);
GRIB_MUTEX_UNLOCK(&mutex_c);
return fullpath->value;
} else {
grib_context_log(c, GRIB_LOG_DEBUG, "Nonexistent def file %s", full);
}
dir = dir->next;
}
}
GRIB_MUTEX_LOCK(&mutex_c);
/* Store missing files so we don't check for them again and again */
grib_trie_insert(c->def_files, basename, &grib_file_not_found);
/*grib_context_log(c,GRIB_LOG_ERROR,"Def file \"%s\" not found",basename);*/
GRIB_MUTEX_UNLOCK(&mutex_c);
full[0] = 0;
return NULL;
}
char* grib_samples_path(const grib_context* c)
{
if (!c)
c = grib_context_get_default();
return c->grib_samples_path;
}
char* grib_definition_path(const grib_context* c)
{
if (!c)
c = grib_context_get_default();
return c->grib_definition_files_path;
}
void grib_context_free(const grib_context* c, void* p)
{
if (!c)
c = grib_context_get_default();
if (p)
c->free_mem(c, p);
}
void grib_context_free_persistent(const grib_context* c, void* p)
{
if (!c)
c = grib_context_get_default();
if (p)
c->free_persistent_mem(c, p);
}
void grib_context_reset(grib_context* c)
{
size_t i = 0;
if (!c)
c = grib_context_get_default();
if (c->grib_reader) {
grib_action_file* fr = c->grib_reader->first;
grib_action_file* fn = fr;
grib_action* a;
while (fn) {
fr = fn;
fn = fn->next;
a = fr->root;
while (a) {
grib_action* na = a->next;
grib_action_delete(c, a);
a = na;
}
grib_context_free_persistent(c, fr->filename);
grib_context_free_persistent(c, fr);
}
grib_context_free_persistent(c, c->grib_reader);
}
c->grib_reader = NULL;
if (c->codetable)
grib_codetable_delete(c);
c->codetable = NULL;
if (c->smart_table)
grib_smart_table_delete(c);
c->smart_table = NULL;
if (c->grib_definition_files_dir) {
grib_string_list* next = c->grib_definition_files_dir;
grib_string_list* cur = NULL;
while (next) {
cur = next;
next = next->next;
grib_context_free(c, cur->value);
grib_context_free(c, cur);
}
c->grib_definition_files_dir=0;
}
if (c->multi_support_on)
grib_multi_support_reset(c);
for (i=0; i < MAX_NUM_CONCEPTS; ++i) {
grib_concept_value* cv = c->concepts[i];
if (cv) {
grib_trie_delete_container(cv->index);
}
while (cv) {
grib_concept_value* n = cv->next;
grib_concept_value_delete(c, cv);
cv = n;
}
}
}
void grib_context_delete(grib_context* c)
{
size_t i = 0;
if (!c)
c = grib_context_get_default();
grib_hash_keys_delete(c->keys);
/* grib_trie_delete(c->def_files); TODO:masn */
grib_context_reset(c);
if (c != &default_grib_context)
grib_context_free_persistent(&default_grib_context, c);
for(i=0; i<MAX_NUM_HASH_ARRAY; ++i)
c->hash_array[i] = NULL;
c->hash_array_count = 0;
grib_itrie_delete(c->hash_array_index);
c->hash_array_index=0;
grib_trie_delete(c->expanded_descriptors);
c->expanded_descriptors=0;
c->inited = 0;
}
void codes_bufr_multi_element_constant_arrays_on(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->bufr_multi_element_constant_arrays = 1;
}
void codes_bufr_multi_element_constant_arrays_off(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->bufr_multi_element_constant_arrays = 0;
}
/*int codes_get_bufr_multi_element_constant_arrays(grib_context* c);*/
void grib_context_set_definitions_path(grib_context* c, const char* path)
{
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
c->grib_definition_files_path = strdup(path);
grib_context_log(c, GRIB_LOG_DEBUG, "Definitions path changed to: %s", c->grib_definition_files_path);
GRIB_MUTEX_UNLOCK(&mutex_c);
}
void grib_context_set_samples_path(grib_context* c, const char* path)
{
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
c->grib_samples_path = strdup(path);
grib_context_log(c, GRIB_LOG_DEBUG, "Samples path changed to: %s", c->grib_samples_path);
GRIB_MUTEX_UNLOCK(&mutex_c);
}
void* grib_context_malloc_persistent(const grib_context* c, size_t size)
{
void* p = c->alloc_persistent_mem(c, size);
if (!p) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return p;
}
char* grib_context_strdup_persistent(const grib_context* c, const char* s)
{
char* dup = (char*)grib_context_malloc_persistent(c, (strlen(s) * sizeof(char)) + 1);
if (dup)
strcpy(dup, s);
return dup;
}
void* grib_context_malloc_clear_persistent(const grib_context* c, size_t size)
{
void* p = grib_context_malloc_persistent(c, size);
if (p)
memset(p, 0, size);
return p;
}
void* grib_context_malloc(const grib_context* c, size_t size)
{
void* p = NULL;
if (!c)
c = grib_context_get_default();
if (size == 0)
return p;
else
p = c->alloc_mem(c, size);
if (!p) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
}
return p;
}
void* grib_context_realloc(const grib_context* c, void* p, size_t size)
{
void* q;
if (!c)
c = grib_context_get_default();
q = c->realloc_mem(c, p, size);
if (!q) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
return NULL;
}
return q;
}
char* grib_context_strdup(const grib_context* c, const char* s)
{
char* dup = 0;
if (s) {
dup = (char*)grib_context_malloc(c, (strlen(s) * sizeof(char)) + 1);
if (dup)
strcpy(dup, s);
}
return dup;
}
void* grib_context_malloc_clear(const grib_context* c, size_t size)
{
void* p = grib_context_malloc(c, size);
if (p)
memset(p, 0, size);
return p;
}
void* grib_context_buffer_malloc(const grib_context* c, size_t size)
{
void* p = NULL;
if (!c)
c = grib_context_get_default();
if (size == 0)
return p;
else
p = c->alloc_buffer_mem(c, size);
if (!p) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
return NULL;
}
return p;
}
void grib_context_buffer_free(const grib_context* c, void* p)
{
if (!c)
c = grib_context_get_default();
if (p)
c->free_buffer_mem(c, p);
}
void* grib_context_buffer_realloc(const grib_context* c, void* p, size_t size)
{
void* q = c->realloc_buffer_mem(c, p, size);
if (!q) {
grib_context_log(c, GRIB_LOG_FATAL, "%s: error allocating %zu bytes", __func__, size);
return NULL;
}
return q;
}
void* grib_context_buffer_malloc_clear(const grib_context* c, size_t size)
{
void* p = grib_context_buffer_malloc(c, size);
if (p)
memset(p, 0, size);
return p;
}
void grib_context_set_memory_proc(grib_context* c, grib_malloc_proc m, grib_free_proc f, grib_realloc_proc r)
{
c->free_mem = f;
c->alloc_mem = m;
c->realloc_mem = r;
}
void grib_context_set_persistent_memory_proc(grib_context* c, grib_malloc_proc m, grib_free_proc f)
{
c->free_persistent_mem = f;
c->alloc_persistent_mem = m;
}
void grib_context_set_buffer_memory_proc(grib_context* c, grib_malloc_proc m, grib_free_proc f, grib_realloc_proc r)
{
c->free_buffer_mem = f;
c->alloc_buffer_mem = m;
c->realloc_buffer_mem = r;
}
void grib_context_set_data_accessing_proc(grib_context* c, grib_data_read_proc read, grib_data_write_proc write, grib_data_tell_proc tell)
{
c->read = read;
c->write = write;
c->tell = tell;
}
/* Logging procedure */
void grib_context_log(const grib_context* c, int level, const char* fmt, ...)
{
/* Save some CPU */
if ((level == GRIB_LOG_DEBUG && c->debug < 1) ||
(level == GRIB_LOG_WARNING && c->debug < 2)) {
return;
}
else {
char msg[1024];
va_list list;
const int errsv = errno;
va_start(list, fmt);
vsnprintf(msg, sizeof(msg), fmt, list);
va_end(list);
if (level & GRIB_LOG_PERROR) {
level = level & ~GRIB_LOG_PERROR;
/* #if HAS_STRERROR */
strcat(msg, " (");
strcat(msg, strerror(errsv));
strcat(msg, ")");
// if (errsv > 0 && errsv < sys_nerr) {
// strcat(msg, " (");
// strcat(msg, sys_errlist[errsv]);
// strcat(msg, " )");
// }
}
if (c->output_log)
c->output_log(c, level, msg);
}
}
/* Logging procedure */
void grib_context_print(const grib_context* c, void* descriptor, const char* fmt, ...)
{
char msg[1024];
va_list list;
va_start(list, fmt);
vsnprintf(msg, sizeof(msg), fmt, list);
va_end(list);
c->print(c, descriptor, msg);
}
int grib_context_get_handle_file_count(grib_context* c)
{
int r = 0;
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
r = c->handle_file_count;
GRIB_MUTEX_UNLOCK(&mutex_c);
return r;
}
int grib_context_get_handle_total_count(grib_context* c)
{
int r = 0;
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
r = c->handle_total_count;
GRIB_MUTEX_UNLOCK(&mutex_c);
return r;
}
void grib_context_set_handle_file_count(grib_context* c, int new_count)
{
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
c->handle_file_count = new_count;
GRIB_MUTEX_UNLOCK(&mutex_c);
}
void grib_context_set_handle_total_count(grib_context* c, int new_count)
{
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
c->handle_total_count = new_count;
GRIB_MUTEX_UNLOCK(&mutex_c);
}
void grib_context_increment_handle_file_count(grib_context* c)
{
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
c->handle_file_count++;
GRIB_MUTEX_UNLOCK(&mutex_c);
}
void grib_context_increment_handle_total_count(grib_context* c)
{
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
c->handle_total_count++;
GRIB_MUTEX_UNLOCK(&mutex_c);
}
bufr_descriptors_array* grib_context_expanded_descriptors_list_get(grib_context* c, const char* key, long* u, size_t size)
{
bufr_descriptors_map_list* expandedUnexpandedMapList;
size_t i = 0;
int found = 0;
bufr_descriptors_array* result = NULL;
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
if (!c->expanded_descriptors) {
c->expanded_descriptors = (grib_trie*)grib_trie_new(c);
result = NULL;
goto the_end;
}
expandedUnexpandedMapList = (bufr_descriptors_map_list*)grib_trie_get(c->expanded_descriptors, key);
found = 0;
while (expandedUnexpandedMapList) {
if (expandedUnexpandedMapList->unexpanded->n == size) {
found = 1;
for (i = 0; i < size; i++) {
if (expandedUnexpandedMapList->unexpanded->v[i]->code != u[i]) {
found = 0;
break;
}
}
}
if (found) {
result = expandedUnexpandedMapList->expanded;
goto the_end;
}
expandedUnexpandedMapList = expandedUnexpandedMapList->next;
}
the_end:
GRIB_MUTEX_UNLOCK(&mutex_c);
return result;
}
void grib_context_expanded_descriptors_list_push(grib_context* c,
const char* key, bufr_descriptors_array* expanded, bufr_descriptors_array* unexpanded)
{
bufr_descriptors_map_list* descriptorsList = NULL;
bufr_descriptors_map_list* next = NULL;
bufr_descriptors_map_list* newdescriptorsList = NULL;
if (!c)
c = grib_context_get_default();
GRIB_MUTEX_INIT_ONCE(&once, &init);
GRIB_MUTEX_LOCK(&mutex_c);
newdescriptorsList = (bufr_descriptors_map_list*)grib_context_malloc_clear(c, sizeof(bufr_descriptors_map_list));
newdescriptorsList->expanded = expanded;
newdescriptorsList->unexpanded = unexpanded;
descriptorsList = (bufr_descriptors_map_list*)grib_trie_get(c->expanded_descriptors, key);
if (descriptorsList) {
next = descriptorsList;
while (next->next) {
next = next->next;
}
next->next = newdescriptorsList;
}
else {
grib_trie_insert(c->expanded_descriptors, key, newdescriptorsList);
}
GRIB_MUTEX_UNLOCK(&mutex_c);
}
static codes_assertion_failed_proc assertion = NULL;
void codes_set_codes_assertion_failed_proc(codes_assertion_failed_proc proc)
{
assertion = proc;
}
void codes_assertion_failed(const char* message, const char* file, int line)
{
/* Default behaviour is to abort
* unless user has supplied his own assertion routine */
if (assertion == NULL) {
grib_context* c = grib_context_get_default();
fprintf(stderr, "ecCodes assertion failed: `%s' in %s:%d\n", message, file, line);
if (!c->no_abort) {
abort();
}
}
else {
char buffer[10240];
snprintf(buffer, sizeof(buffer), "ecCodes assertion failed: `%s' in %s:%d", message, file, line);
assertion(buffer);
}
}
int grib_get_gribex_mode(grib_context* c)
{
if (!c)
c = grib_context_get_default();
return c->gribex_mode_on;
}
void grib_gribex_mode_on(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->gribex_mode_on = 1;
}
void grib_gribex_mode_off(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->gribex_mode_on = 0;
}
void grib_gts_header_on(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->gts_header_on = 1;
}
void grib_gts_header_off(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->gts_header_on = 0;
}
void grib_multi_support_on(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->multi_support_on = 1;
}
void grib_multi_support_off(grib_context* c)
{
if (!c)
c = grib_context_get_default();
c->multi_support_on = 0;
}
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