SPATIALITE_DECLARE void
spatialite_init (int verbose)
{
/* used when SQLite initializes as an ordinary lib
OBSOLETE - strongly discouraged !!!!!
always using spatialite_init_ex() as a replacement
is warmly reccomended
*/
spatialite_initialize ();
#ifndef OMIT_GEOS /* initializing GEOS */
initGEOS (geos_warning, geos_error);
#endif /* end GEOS */
#ifdef POSTGIS_2_1 /* initializing liblwgeom from PostGIS 2.1.x (or later) */
splite_lwgeom_init ();
#endif /* end POSTGIS_2_1 */
sqlite3_auto_extension ((void (*)(void)) init_spatialite_extension);
spatialite_splash_screen (verbose);
}
SPATIALITE_DECLARE void *
spatialite_alloc_connection ()
{
/* allocating and initializing an empty internal cache */
#ifdef GEOS_REENTRANT /* reentrant (thread-safe) initialization */
return spatialite_alloc_reentrant ();
#else /* end GEOS_REENTRANT */
gaiaOutBufferPtr out;
int i;
struct splite_internal_cache *cache = NULL;
struct splite_geos_cache_item *p;
struct splite_xmlSchema_cache_item *p_xmlSchema;
int pool_index;
/* attempting to implicitly initialize the library */
spatialite_initialize ();
/* locking the semaphore */
splite_cache_semaphore_lock ();
pool_index = find_free_connection ();
if (pool_index < 0)
goto done;
cache = malloc (sizeof (struct splite_internal_cache));
if (cache == NULL)
{
invalidate (pool_index);
goto done;
}
cache->magic1 = SPATIALITE_CACHE_MAGIC1;
cache->magic2 = SPATIALITE_CACHE_MAGIC2;
cache->gpkg_mode = 0;
cache->gpkg_amphibious_mode = 0;
cache->decimal_precision = -1;
cache->GEOS_handle = NULL;
cache->PROJ_handle = NULL;
cache->cutterMessage = NULL;
cache->pool_index = pool_index;
confirm (pool_index, cache);
cache->gaia_geos_error_msg = NULL;
cache->gaia_geos_warning_msg = NULL;
cache->gaia_geosaux_error_msg = NULL;
/* initializing an empty linked list of Topologies */
cache->firstTopology = NULL;
cache->lastTopology = NULL;
cache->next_topo_savepoint = 0;
cache->topo_savepoint_name = NULL;
cache->firstNetwork = NULL;
cache->lastNetwork = NULL;
cache->next_network_savepoint = 0;
cache->network_savepoint_name = NULL;
/* initializing the XML error buffers */
out = malloc (sizeof (gaiaOutBuffer));
gaiaOutBufferInitialize (out);
cache->xmlParsingErrors = out;
out = malloc (sizeof (gaiaOutBuffer));
gaiaOutBufferInitialize (out);
cache->xmlSchemaValidationErrors = out;
out = malloc (sizeof (gaiaOutBuffer));
gaiaOutBufferInitialize (out);
cache->xmlXPathErrors = out;
/* initializing the GEOS cache */
p = &(cache->cacheItem1);
memset (p->gaiaBlob, '\0', 64);
p->gaiaBlobSize = 0;
p->crc32 = 0;
p->geosGeom = NULL;
p->preparedGeosGeom = NULL;
p = &(cache->cacheItem2);
memset (p->gaiaBlob, '\0', 64);
p->gaiaBlobSize = 0;
p->crc32 = 0;
p->geosGeom = NULL;
p->preparedGeosGeom = NULL;
for (i = 0; i < MAX_XMLSCHEMA_CACHE; i++)
{
/* initializing the XmlSchema cache */
p_xmlSchema = &(cache->xmlSchemaCache[i]);
p_xmlSchema->timestamp = 0;
p_xmlSchema->schemaURI = NULL;
p_xmlSchema->schemaDoc = NULL;
p_xmlSchema->parserCtxt = NULL;
p_xmlSchema->schema = NULL;
}
#include "cache_aux_3.h"
/* initializing GEOS and PROJ.4 handles */
#ifndef OMIT_GEOS /* initializing GEOS */
cache->GEOS_handle = initGEOS_r (cache->geos_warning, cache->geos_error);
#endif /* end GEOS */
#ifndef OMIT_PROJ /* initializing the PROJ.4 context */
cache->PROJ_handle = pj_ctx_alloc ();
#endif /* end PROJ.4 */
done:
/* unlocking the semaphore */
splite_cache_semaphore_unlock ();
return cache;
#endif
}
/* definitely releasing the slot */
struct splite_connection *p = &(splite_connection_pool[i]);
p->conn_ptr = NULL;
}
#endif /* END obsolete partially thread-safe mode */
#ifdef GEOS_REENTRANT /* reentrant (thread-safe) initialization */
static void *
spatialite_alloc_reentrant ()
{
/*
* allocating and initializing an empty internal cache
* fully reentrant (thread-safe) version requiring GEOS >= 3.5.0
*/
struct splite_internal_cache *cache = NULL;
gaiaOutBufferPtr out;
int i;
struct splite_geos_cache_item *p;
struct splite_xmlSchema_cache_item *p_xmlSchema;
/* attempting to implicitly initialize the library */
spatialite_initialize ();
cache = malloc (sizeof (struct splite_internal_cache));
if (cache == NULL)
goto done;
cache->magic1 = SPATIALITE_CACHE_MAGIC1;
cache->magic2 = SPATIALITE_CACHE_MAGIC2;
cache->gpkg_mode = 0;
cache->gpkg_amphibious_mode = 0;
cache->decimal_precision = -1;
cache->GEOS_handle = NULL;
cache->PROJ_handle = NULL;
cache->cutterMessage = NULL;
cache->pool_index = -1;
cache->gaia_geos_error_msg = NULL;
cache->gaia_geos_warning_msg = NULL;
cache->gaia_geosaux_error_msg = NULL;
/* initializing an empty linked list of Topologies */
cache->firstTopology = NULL;
cache->lastTopology = NULL;
cache->next_topo_savepoint = 0;
cache->topo_savepoint_name = NULL;
cache->firstNetwork = NULL;
cache->lastNetwork = NULL;
cache->next_network_savepoint = 0;
cache->network_savepoint_name = NULL;
/* initializing the XML error buffers */
out = malloc (sizeof (gaiaOutBuffer));
gaiaOutBufferInitialize (out);
cache->xmlParsingErrors = out;
out = malloc (sizeof (gaiaOutBuffer));
gaiaOutBufferInitialize (out);
cache->xmlSchemaValidationErrors = out;
out = malloc (sizeof (gaiaOutBuffer));
gaiaOutBufferInitialize (out);
cache->xmlXPathErrors = out;
/* initializing the GEOS cache */
p = &(cache->cacheItem1);
memset (p->gaiaBlob, '\0', 64);
p->gaiaBlobSize = 0;
p->crc32 = 0;
p->geosGeom = NULL;
p->preparedGeosGeom = NULL;
p = &(cache->cacheItem2);
memset (p->gaiaBlob, '\0', 64);
p->gaiaBlobSize = 0;
p->crc32 = 0;
p->geosGeom = NULL;
p->preparedGeosGeom = NULL;
for (i = 0; i < MAX_XMLSCHEMA_CACHE; i++)
{
/* initializing the XmlSchema cache */
p_xmlSchema = &(cache->xmlSchemaCache[i]);
p_xmlSchema->timestamp = 0;
p_xmlSchema->schemaURI = NULL;
p_xmlSchema->schemaDoc = NULL;
p_xmlSchema->parserCtxt = NULL;
p_xmlSchema->schema = NULL;
}
/* initializing GEOS and PROJ.4 handles */
#ifndef OMIT_GEOS /* initializing GEOS */
cache->GEOS_handle = initGEOS_r (NULL, NULL);
GEOSContext_setNoticeMessageHandler_r (cache->GEOS_handle,
conn_geos_warning, cache);
GEOSContext_setErrorMessageHandler_r (cache->GEOS_handle, conn_geos_error,
cache);
#endif /* end GEOS */
#ifndef OMIT_PROJ /* initializing the PROJ.4 context */
cache->PROJ_handle = pj_ctx_alloc ();
#endif /* end PROJ.4 */
done:
return cache;
}