diff options
Diffstat (limited to 'veslibrary/ves_clibrary/evel/evel-library/code/evel_library/evel_other.c')
| -rw-r--r-- | veslibrary/ves_clibrary/evel/evel-library/code/evel_library/evel_other.c | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/veslibrary/ves_clibrary/evel/evel-library/code/evel_library/evel_other.c b/veslibrary/ves_clibrary/evel/evel-library/code/evel_library/evel_other.c new file mode 100644 index 0000000..c7a227b --- /dev/null +++ b/veslibrary/ves_clibrary/evel/evel-library/code/evel_library/evel_other.c @@ -0,0 +1,492 @@ +/*************************************************************************//** + * + * Copyright © 2017 AT&T Intellectual Property. All rights reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************/ + +/**************************************************************************//** + * @file + * Implementation of EVEL functions relating to Other. + * + ****************************************************************************/ + +#include <string.h> +#include <assert.h> +#include <stdlib.h> + +#include "evel.h" +#include "evel_internal.h" + +/**************************************************************************//** + * Create a new Other event. + * + * @note The mandatory fields on the Other must be supplied to this factory + * function and are immutable once set. Optional fields have explicit + * setter functions, but again values may only be set once so that the + * Other has immutable properties. + * @returns pointer to the newly manufactured ::EVENT_OTHER. If the event is + * not used (i.e. posted) it must be released using ::evel_free_other. + * @retval NULL Failed to create the event. + *****************************************************************************/ +EVENT_OTHER * evel_new_other(const char *ev_name, const char *ev_id) +{ + EVENT_OTHER * other = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + + /***************************************************************************/ + /* Allocate the Other. */ + /***************************************************************************/ + other = malloc(sizeof(EVENT_OTHER)); + if (other == NULL) + { + log_error_state("Out of memory"); + goto exit_label; + } + memset(other, 0, sizeof(EVENT_OTHER)); + EVEL_DEBUG("New Other is at %lp", other); + + /***************************************************************************/ + /* Initialize the header & the Other fields. Optional string values are */ + /* uninitialized (NULL). */ + /***************************************************************************/ + evel_init_header_nameid(&other->header,ev_name,ev_id); + other->header.event_domain = EVEL_DOMAIN_OTHER; + other->major_version = EVEL_OTHER_EVENT_MAJOR_VERSION; + other->minor_version = EVEL_OTHER_EVENT_MINOR_VERSION; + + other->namedarrays = NULL; + dlist_initialize(&other->jsonobjects); + dlist_initialize(&other->namedvalues); + +exit_label: + EVEL_EXIT(); + return other; +} + +/**************************************************************************//** + * Set the Event Type property of the Other. + * + * @note The property is treated as immutable: it is only valid to call + * the setter once. However, we don't assert if the caller tries to + * overwrite, just ignoring the update instead. + * + * @param other Pointer to the Other. + * @param type The Event Type to be set. ASCIIZ string. The caller + * does not need to preserve the value once the function + * returns. + *****************************************************************************/ +void evel_other_type_set(EVENT_OTHER * other, + const char * const type) +{ + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions and call evel_header_type_set. */ + /***************************************************************************/ + assert(other != NULL); + assert(other->header.event_domain == EVEL_DOMAIN_OTHER); + evel_header_type_set(&other->header, type); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Add a json object to jsonObject list. + * + * The name and value are null delimited ASCII strings. The library takes + * a copy so the caller does not have to preserve values after the function + * returns. + * + * @param other Pointer to the Other. + * @param size size of hashtable + *****************************************************************************/ +void evel_other_field_set_namedarraysize(EVENT_OTHER * other, const int size) +{ + OTHER_FIELD * other_field = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(other != NULL); + assert(other->header.event_domain == EVEL_DOMAIN_OTHER); + assert(other->namedarrays == NULL); + assert(size > 0); + + EVEL_DEBUG("Adding Named array"); + + other->namedarrays = ht_create(size); + + EVEL_EXIT(); +} + + +/**************************************************************************//** + * Add a json object to jsonObject list. + * + * The name and value are null delimited ASCII strings. The library takes + * a copy so the caller does not have to preserve values after the function + * returns. + * + * @param other Pointer to the Other. + * @param size size of hashtable + *****************************************************************************/ +void evel_other_field_add_namedarray(EVENT_OTHER * other, const char *hashname, char * name, char *value) +{ + OTHER_FIELD * other_field = NULL; + DLIST *list = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(other != NULL); + assert(other->header.event_domain == EVEL_DOMAIN_OTHER); + assert(other->namedarrays != NULL); + + EVEL_DEBUG("Adding values to Named array"); + + EVEL_DEBUG("Adding name=%s value=%s", name, value); + other_field = malloc(sizeof(OTHER_FIELD)); + assert(other_field != NULL); + memset(other_field, 0, sizeof(OTHER_FIELD)); + other_field->name = strdup(name); + other_field->value = strdup(value); + assert(other_field->name != NULL); + assert(other_field->value != NULL); + + + list = ht_get(other->namedarrays, hashname); + if( list == NULL ) + { + DLIST * nlist = malloc(sizeof(DLIST)); + dlist_initialize(nlist); + dlist_push_last(nlist, other_field); + ht_set(other->namedarrays, hashname, nlist); + EVEL_DEBUG("Created to new table table"); + } + else + { + dlist_push_last(list, other_field); + EVEL_DEBUG("Adding to existing table"); + } + + EVEL_EXIT(); +} + + +/**************************************************************************//** + * Add a json object to jsonObject list. + * + * The name and value are null delimited ASCII strings. The library takes + * a copy so the caller does not have to preserve values after the function + * returns. + * + * @param other Pointer to the Other. + * @param jsonobj Pointer to json object + *****************************************************************************/ +void evel_other_field_add_jsonobj(EVENT_OTHER * other, EVEL_JSON_OBJECT *jsonobj) +{ + OTHER_FIELD * other_field = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(other != NULL); + assert(other->header.event_domain == EVEL_DOMAIN_OTHER); + assert(jsonobj != NULL); + + EVEL_DEBUG("Adding jsonObject"); + + dlist_push_last(&other->jsonobjects, jsonobj); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Add a field name/value pair to the Other. + * + * The name and value are null delimited ASCII strings. The library takes + * a copy so the caller does not have to preserve values after the function + * returns. + * + * @param other Pointer to the Other. + * @param name ASCIIZ string with the field's name. The caller does not + * need to preserve the value once the function returns. + * @param value ASCIIZ string with the field's value. The caller does not + * need to preserve the value once the function returns. + *****************************************************************************/ +void evel_other_field_add(EVENT_OTHER * other, char * name, char * value) +{ + OTHER_FIELD * other_field = NULL; + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(other != NULL); + assert(other->header.event_domain == EVEL_DOMAIN_OTHER); + assert(name != NULL); + assert(value != NULL); + + EVEL_DEBUG("Adding name=%s value=%s", name, value); + other_field = malloc(sizeof(OTHER_FIELD)); + assert(other_field != NULL); + memset(other_field, 0, sizeof(OTHER_FIELD)); + other_field->name = strdup(name); + other_field->value = strdup(value); + assert(other_field->name != NULL); + assert(other_field->value != NULL); + + dlist_push_last(&other->namedvalues, other_field); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Encode the Other in JSON according to AT&T's schema for the event type. + * + * @param jbuf Pointer to the ::EVEL_JSON_BUFFER to encode into. + * @param event Pointer to the ::EVENT_HEADER to encode. + *****************************************************************************/ +void evel_json_encode_other(EVEL_JSON_BUFFER * jbuf, + EVENT_OTHER * event) +{ + OTHER_FIELD * other_field = NULL; + EVEL_JSON_OBJECT * jsonobjp = NULL; + DLIST_ITEM * other_field_item = NULL; + EVEL_JSON_OBJECT_INSTANCE * jsonobjinst = NULL; + DLIST_ITEM * jsobj_field_item = NULL; + EVEL_INTERNAL_KEY * keyinst = NULL; + DLIST_ITEM * keyinst_field_item = NULL; + HASHTABLE_T *ht = NULL; + int i; + bool itm_added = false; + DLIST *itm_list = NULL; + + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_OTHER); + + evel_json_encode_header(jbuf, &event->header); + evel_json_open_named_object(jbuf, "otherFields"); + +// iterate through hashtable and print DLIST for each entry + + ht = event->namedarrays; + if( ht != NULL ) + { + if( ht->size > 0) + { + for( i = 0; i < ht->size; i++ ) { + if( ht->table[i] != NULL) + { + itm_added = true; + } + } + if( itm_added == true) + { + + if (evel_json_open_opt_named_list(jbuf, "hashOfNameValuePairArrays")) + { + for( i = 0; i < ht->size; i++ ) { + if( ht->table[i] != NULL) + { + itm_list = ht->table[i]; + + if(evel_json_open_opt_named_list(jbuf, ht->table[i]->key)) + { + other_field_item = dlist_get_first(&itm_list); + while (other_field_item != NULL) + { + other_field = (OTHER_FIELD *) other_field_item->item; + if(other_field != NULL){ + evel_json_open_object(jbuf); + evel_enc_kv_string(jbuf, "name", other_field->name); + evel_enc_kv_string(jbuf, "value", other_field->value); + evel_json_close_object(jbuf); + other_field_item = dlist_get_next(other_field_item); + } + } + evel_json_close_list(jbuf); + } + + } + } + + evel_json_close_list(jbuf); + } + + + } + } + } + + evel_json_checkpoint(jbuf); + if(evel_json_open_opt_named_list(jbuf, "jsonObjects")) + { + bool item_added = false; + other_field_item = dlist_get_first(&event->jsonobjects); + while (other_field_item != NULL) + { + jsonobjp = (EVEL_JSON_OBJECT *) other_field_item->item; + if(jsonobjp != NULL); + { + evel_json_open_object(jbuf); + + if( evel_json_open_opt_named_list(jbuf, "objectInstances")) + { + bool item_added2 = false; + jsobj_field_item = dlist_get_first(&jsonobjp->jsonobjectinstances); + while (jsobj_field_item != NULL) + { + jsonobjinst = (EVEL_JSON_OBJECT_INSTANCE *) jsobj_field_item->item; + if( jsonobjinst != NULL ) + { + evel_json_open_object(jbuf); + evel_enc_kv_object(jbuf, "objectInstance", jsonobjinst->jsonstring); + evel_enc_kv_ull(jbuf, "objectInstanceEpochMicrosec", jsonobjinst->objinst_epoch_microsec); + //evel_json_checkpoint(jbuf); + if (evel_json_open_opt_named_list(jbuf, "objectKeys")) + { + bool item_added3 = false; + + keyinst_field_item = dlist_get_first(&jsonobjinst->object_keys); + while (keyinst_field_item != NULL) + { + keyinst = (EVEL_INTERNAL_KEY *)keyinst_field_item->item; + if(keyinst != NULL) + { + evel_json_open_object(jbuf); + evel_enc_kv_string(jbuf, "keyName", keyinst->keyname); + evel_enc_kv_opt_int(jbuf, "keyOrder", &keyinst->keyorder); + evel_enc_kv_opt_string(jbuf, "keyValue", &keyinst->keyvalue); + evel_json_close_object(jbuf); + item_added3 = false; + } + keyinst_field_item = dlist_get_next(keyinst_field_item); + } + evel_json_close_list(jbuf); + + /*************************************************************************/ + /* If we've not written anything, rewind to before we opened the list. */ + /*************************************************************************/ + //if (!item_added3) + //{ + // evel_json_rewind(jbuf); + //} + } + evel_json_close_object(jbuf); + } + item_added2 = true; + jsobj_field_item = dlist_get_next(jsobj_field_item); + } + evel_json_close_list(jbuf); + if( !item_added2 ) + { + evel_json_rewind(jbuf); + } + } + + evel_enc_kv_string(jbuf, "objectName", jsonobjp->object_name); + evel_enc_kv_opt_string(jbuf, "objectSchema", &jsonobjp->objectschema); + evel_enc_kv_opt_string(jbuf, "objectSchemaUrl", &jsonobjp->objectschemaurl); + evel_enc_kv_opt_string(jbuf, "nfSubscribedObjectName", &jsonobjp->nfsubscribedobjname); + evel_enc_kv_opt_string(jbuf, "nfSubscriptionId", &jsonobjp->nfsubscriptionid); + evel_json_close_object(jbuf); + item_added = true; + } + other_field_item = dlist_get_next(other_field_item); + } + evel_json_close_list(jbuf); + + if (!item_added) + { + evel_json_rewind(jbuf); + } + + } + + if( evel_json_open_opt_named_list(jbuf, "nameValuePairs")) + { + other_field_item = dlist_get_first(&event->namedvalues); + while (other_field_item != NULL) + { + other_field = (OTHER_FIELD *) other_field_item->item; + assert(other_field != NULL); + + evel_json_open_object(jbuf); + evel_enc_kv_string(jbuf, "name", other_field->name); + evel_enc_kv_string(jbuf, "value", other_field->value); + evel_json_close_object(jbuf); + other_field_item = dlist_get_next(other_field_item); + } + } + evel_json_close_list(jbuf); + + evel_enc_version(jbuf, "otherFieldsVersion", event->major_version,event->minor_version); + + evel_json_close_object(jbuf); + + EVEL_EXIT(); +} + +/**************************************************************************//** + * Free an Other. + * + * Free off the Other supplied. Will free all the contained allocated memory. + * + * @note It does not free the Other itself, since that may be part of a + * larger structure. + *****************************************************************************/ +void evel_free_other(EVENT_OTHER * event) +{ + OTHER_FIELD * other_field = NULL; + + EVEL_ENTER(); + + /***************************************************************************/ + /* Check preconditions. As an internal API we don't allow freeing NULL */ + /* events as we do on the public API. */ + /***************************************************************************/ + assert(event != NULL); + assert(event->header.event_domain == EVEL_DOMAIN_OTHER); + + /***************************************************************************/ + /* Free all internal strings then the header itself. */ + /***************************************************************************/ + other_field = dlist_pop_last(&event->namedvalues); + while (other_field != NULL) + { + EVEL_DEBUG("Freeing Other Field (%s, %s)", + other_field->name, + other_field->value); + free(other_field->name); + free(other_field->value); + free(other_field); + other_field = dlist_pop_last(&event->namedvalues); + } + evel_free_header(&event->header); + + EVEL_EXIT(); +} |