/*
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Copyright (c) 2019 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License v1.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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http://www.eclipse.org/legal/epl-v10.html
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include "config.h"
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#include "mosquitto.h"
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#include "alias_mosq.h"
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#include "memory_mosq.h"
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int alias__add(struct mosquitto *mosq, const char *topic, int alias)
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{
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int i;
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struct mosquitto__alias *aliases;
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for(i=0; i<mosq->alias_count; i++){
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if(mosq->aliases[i].alias == alias){
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mosquitto__free(mosq->aliases[i].topic);
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mosq->aliases[i].topic = mosquitto__strdup(topic);
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if(mosq->aliases[i].topic){
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return MOSQ_ERR_SUCCESS;
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}else{
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return MOSQ_ERR_NOMEM;
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}
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}
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}
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/* New alias */
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aliases = mosquitto__realloc(mosq->aliases, sizeof(struct mosquitto__alias)*(mosq->alias_count+1));
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if(!aliases) return MOSQ_ERR_NOMEM;
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mosq->aliases = aliases;
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mosq->aliases[mosq->alias_count].alias = alias;
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mosq->aliases[mosq->alias_count].topic = mosquitto__strdup(topic);
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if(!mosq->aliases[mosq->alias_count].topic){
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return MOSQ_ERR_NOMEM;
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}
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mosq->alias_count++;
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return MOSQ_ERR_SUCCESS;
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}
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int alias__find(struct mosquitto *mosq, char **topic, int alias)
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{
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int i;
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for(i=0; i<mosq->alias_count; i++){
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if(mosq->aliases[i].alias == alias){
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*topic = mosquitto__strdup(mosq->aliases[i].topic);
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if(*topic){
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return MOSQ_ERR_SUCCESS;
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}else{
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return MOSQ_ERR_NOMEM;
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}
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}
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}
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return MOSQ_ERR_INVAL;
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}
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void alias__free_all(struct mosquitto *mosq)
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{
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int i;
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for(i=0; i<mosq->alias_count; i++){
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mosquitto__free(mosq->aliases[i].topic);
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}
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mosquitto__free(mosq->aliases);
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mosq->aliases = NULL;
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mosq->alias_count = 0;
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}
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