118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/*
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Copyright (c) 2010-2015 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 <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#ifndef WIN32
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#include <sys/select.h>
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#include <unistd.h>
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#else
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#include <winsock2.h>
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typedef int ssize_t;
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#endif
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#include "mosquitto.h"
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#include "mosquitto_internal.h"
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#include "logging_mosq.h"
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#include "messages_mosq.h"
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#include "memory_mosq.h"
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#include "mqtt3_protocol.h"
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#include "net_mosq.h"
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#include "read_handle.h"
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#include "send_mosq.h"
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#include "util_mosq.h"
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int mosquitto__will_set(struct mosquitto *mosq, const char *topic, int payloadlen, const void *payload, int qos, bool retain)
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{
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int rc = MOSQ_ERR_SUCCESS;
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if(!mosq || !topic) return MOSQ_ERR_INVAL;
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if(payloadlen < 0 || payloadlen > MQTT_MAX_PAYLOAD) return MOSQ_ERR_PAYLOAD_SIZE;
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if(payloadlen > 0 && !payload) return MOSQ_ERR_INVAL;
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if(mosquitto_pub_topic_check(topic)) return MOSQ_ERR_INVAL;
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if(mosq->will){
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if(mosq->will->topic){
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mosquitto__free(mosq->will->topic);
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mosq->will->topic = NULL;
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}
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if(mosq->will->payload){
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mosquitto__free(mosq->will->payload);
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mosq->will->payload = NULL;
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}
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mosquitto__free(mosq->will);
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mosq->will = NULL;
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}
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mosq->will = mosquitto__calloc(1, sizeof(struct mosquitto_message));
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if(!mosq->will) return MOSQ_ERR_NOMEM;
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mosq->will->topic = mosquitto__strdup(topic);
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if(!mosq->will->topic){
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rc = MOSQ_ERR_NOMEM;
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goto cleanup;
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}
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mosq->will->payloadlen = payloadlen;
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if(mosq->will->payloadlen > 0){
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if(!payload){
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rc = MOSQ_ERR_INVAL;
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goto cleanup;
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}
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mosq->will->payload = mosquitto__malloc(sizeof(char)*mosq->will->payloadlen);
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if(!mosq->will->payload){
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rc = MOSQ_ERR_NOMEM;
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goto cleanup;
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}
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memcpy(mosq->will->payload, payload, payloadlen);
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}
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mosq->will->qos = qos;
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mosq->will->retain = retain;
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return MOSQ_ERR_SUCCESS;
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cleanup:
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if(mosq->will){
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if(mosq->will->topic) mosquitto__free(mosq->will->topic);
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if(mosq->will->payload) mosquitto__free(mosq->will->payload);
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}
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mosquitto__free(mosq->will);
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mosq->will = NULL;
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return rc;
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}
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int mosquitto__will_clear(struct mosquitto *mosq)
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{
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if(!mosq->will) return MOSQ_ERR_SUCCESS;
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if(mosq->will->topic){
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mosquitto__free(mosq->will->topic);
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mosq->will->topic = NULL;
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}
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if(mosq->will->payload){
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mosquitto__free(mosq->will->payload);
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mosq->will->payload = NULL;
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}
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mosquitto__free(mosq->will);
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mosq->will = NULL;
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return MOSQ_ERR_SUCCESS;
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}
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