mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-22 10:45:57 +00:00
113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
/*
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*
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* (C) 2013-19 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "ntop_includes.h"
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/* *************************************** */
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bool SerializableElement::serializeToRedis() {
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json_object *my_obj;
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if((my_obj = json_object_new_object()) != NULL) {
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char key[CONST_MAX_LEN_REDIS_KEY];
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int rc;
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serialize(my_obj, details_max);
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rc = ntop->getRedis()->set(getSerializationKey(key, sizeof(key)),
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json_object_to_json_string(my_obj), ntop->getPrefs()->get_local_host_cache_duration());
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json_object_put(my_obj);
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return(rc == 0);
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}
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return(false);
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}
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/* *************************************** */
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bool SerializableElement::deserializeFromRedis() {
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char key[CONST_MAX_LEN_REDIS_KEY];
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json_object *o;
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if((o = SerializableElement::deserializeJson(getSerializationKey(key, sizeof(key)))) != NULL) {
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deserialize(o);
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json_object_put(o);
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return(true);
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}
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return(false);
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}
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/* *************************************** */
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bool SerializableElement::deleteRedisSerialization() {
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char key[CONST_MAX_LEN_REDIS_KEY];
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char *serialization_key = getSerializationKey(key, sizeof(key));
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ntop->getTrace()->traceEvent(TRACE_INFO, "Delete serialization %s", serialization_key);
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return(ntop->getRedis()->del(serialization_key) == 0);
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}
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/* *************************************** */
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/* NOTE: returned object must be freed by the caller */
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json_object* SerializableElement::deserializeJson(const char *key) {
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json_object *o;
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enum json_tokener_error jerr = json_tokener_success;
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u_int json_len;
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char *json = NULL;
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if(!key ||
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((json_len = ntop->getRedis()->len(key)) <= 0) ||
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(++json_len > HOST_MAX_SERIALIZED_LEN))
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return(NULL);
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ntop->getTrace()->traceEvent(TRACE_INFO, "Deserializing %s", key);
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if((json = (char*)malloc(json_len * sizeof(char))) == NULL) {
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ntop->getTrace()->traceEvent(TRACE_ERROR, "Unable to allocate memory to deserialize %s", key);
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return(NULL);
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}
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if(ntop->getRedis()->get((char*)key, json, json_len) != 0) {
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free(json);
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return(NULL);
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}
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if((o = json_tokener_parse_verbose(json, &jerr)) == NULL) {
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ntop->getTrace()->traceEvent(TRACE_WARNING, "JSON Parse error [%s] key: %s: %s",
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json_tokener_error_desc(jerr),
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key,
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json);
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// DEBUG
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printf("JSON Parse error [%s] key: %s: %s",
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json_tokener_error_desc(jerr),
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key,
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json);
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free(json);
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return(NULL);
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}
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free(json);
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return(o);
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}
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