diff options
Diffstat (limited to 'src/H5PLint.c')
| -rw-r--r-- | src/H5PLint.c | 88 |
1 files changed, 63 insertions, 25 deletions
diff --git a/src/H5PLint.c b/src/H5PLint.c index 2eeaafa..cf6135d 100644 --- a/src/H5PLint.c +++ b/src/H5PLint.c @@ -293,12 +293,14 @@ done: H5_GCC_DIAG_OFF("pedantic") herr_t H5PL__open(const char *path, H5PL_type_t type, const H5PL_key_t *key, hbool_t *success, - const void **plugin_info) + H5PL_type_t *plugin_type, const void **plugin_info) { H5PL_HANDLE handle = NULL; H5PL_get_plugin_type_t get_plugin_type = NULL; H5PL_get_plugin_info_t get_plugin_info = NULL; - herr_t ret_value = SUCCEED; + H5PL_type_t loaded_plugin_type; + H5PL_key_t tmp_key; + herr_t ret_value = SUCCEED; FUNC_ENTER_PACKAGE @@ -310,6 +312,8 @@ H5PL__open(const char *path, H5PL_type_t type, const H5PL_key_t *key, hbool_t *s /* Initialize out parameters */ *success = FALSE; *plugin_info = NULL; + if (plugin_type) + *plugin_type = H5PL_TYPE_ERROR; /* There are different reasons why a library can't be open, e.g. wrong architecture. * If we can't open the library, just return. @@ -332,11 +336,12 @@ H5PL__open(const char *path, H5PL_type_t type, const H5PL_key_t *key, hbool_t *s HGOTO_DONE(SUCCEED) /* Check the plugin type and return if it doesn't match the one passed in */ - if (type != (H5PL_type_t)(*get_plugin_type)()) + loaded_plugin_type = (H5PL_type_t)(*get_plugin_type)(); + if ((type != H5PL_TYPE_NONE) && (type != loaded_plugin_type)) HGOTO_DONE(SUCCEED) /* Get the plugin information */ - switch (type) { + switch (loaded_plugin_type) { case H5PL_TYPE_FILTER: { const H5Z_class2_t *filter_info; @@ -344,8 +349,16 @@ H5PL__open(const char *path, H5PL_type_t type, const H5PL_key_t *key, hbool_t *s if (NULL == (filter_info = (const H5Z_class2_t *)(*get_plugin_info)())) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTGET, FAIL, "can't get filter info from plugin") + /* Setup temporary plugin key if one wasn't supplied */ + if (!key) { + tmp_key.id = filter_info->id; + key = &tmp_key; + } + /* If the filter IDs match, we're done. Set the output parameters. */ if (filter_info->id == key->id) { + if (plugin_type) + *plugin_type = H5PL_TYPE_FILTER; *plugin_info = (const void *)filter_info; *success = TRUE; } @@ -354,30 +367,29 @@ H5PL__open(const char *path, H5PL_type_t type, const H5PL_key_t *key, hbool_t *s } case H5PL_TYPE_VOL: { - const H5VL_class_t *cls; + const void *cls; /* Get the plugin info */ - if (NULL == (cls = (const H5VL_class_t *)(*get_plugin_info)())) + if (NULL == (cls = (const void *)(*get_plugin_info)())) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTGET, FAIL, "can't get VOL connector info from plugin") - /* Which kind of key are we looking for? */ - if (key->vol.kind == H5VL_GET_CONNECTOR_BY_NAME) { - /* If the plugin names match, we're done. Set the output parameters. */ - if (cls->name && !HDstrcmp(cls->name, key->vol.u.name)) { - *plugin_info = (const void *)cls; - *success = TRUE; - } /* end if */ - } /* end if */ - else { - /* Sanity check */ - HDassert(key->vol.kind == H5VL_GET_CONNECTOR_BY_VALUE); - - /* If the plugin values match, we're done. Set the output parameters. */ - if (cls->value == key->vol.u.value) { - *plugin_info = (const void *)cls; - *success = TRUE; - } /* end if */ - } /* end else */ + /* Setup temporary plugin key if one wasn't supplied */ + if (!key) { + tmp_key.vol.kind = H5VL_GET_CONNECTOR_BY_NAME; + tmp_key.vol.u.name = ((const H5VL_class_t *)cls)->name; + key = &tmp_key; + } + + /* Ask VOL interface if this class is the one we are looking for and is compatible, etc */ + if (H5VL_check_plugin_load(cls, key, success) < 0) + HGOTO_ERROR(H5E_PLUGIN, H5E_CANTLOAD, FAIL, "VOL connector compatibility check failed") + + /* Check for finding the correct plugin */ + if (*success) { + if (plugin_type) + *plugin_type = H5PL_TYPE_VOL; + *plugin_info = cls; + } break; } @@ -390,7 +402,7 @@ H5PL__open(const char *path, H5PL_type_t type, const H5PL_key_t *key, hbool_t *s /* If we found the correct plugin, store it in the cache */ if (*success) - if (H5PL__add_plugin(type, key, handle)) + if (H5PL__add_plugin(loaded_plugin_type, key, handle)) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTINSERT, FAIL, "unable to add new plugin to plugin cache") done: @@ -420,3 +432,29 @@ H5PL__close(H5PL_HANDLE handle) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5PL__close() */ + +/*------------------------------------------------------------------------- + * Function: H5PL_iterate + * + * Purpose: Iterates over all the available plugins and calls the + * specified callback function on each plugin. + * + * Return: H5_ITER_CONT if all plugins are processed successfully + * H5_ITER_STOP if short-circuit success occurs while + * processing plugins + * H5_ITER_ERROR if an error occurs while processing plugins + * + *------------------------------------------------------------------------- + */ +herr_t +H5PL_iterate(H5PL_iterate_type_t iter_type, H5PL_iterate_t iter_op, void *op_data) +{ + herr_t ret_value = H5_ITER_CONT; + + FUNC_ENTER_NOAPI(H5_ITER_ERROR) + + ret_value = H5PL__path_table_iterate(iter_type, iter_op, op_data); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5PL_iterate() */ |