/*
|
Copyright (c) 2009-2018 Roger Light <roger@atchoo.org>
|
|
All rights reserved. This program and the accompanying materials
|
are made available under the terms of the Eclipse Public License v1.0
|
and Eclipse Distribution License v1.0 which accompany this distribution.
|
|
The Eclipse Public License is available at
|
http://www.eclipse.org/legal/epl-v10.html
|
and the Eclipse Distribution License is available at
|
http://www.eclipse.org/org/documents/edl-v10.php.
|
|
Contributors:
|
Roger Light - initial implementation and documentation.
|
*/
|
|
#include "config.h"
|
|
#include <assert.h>
|
|
#include "mosquitto_broker_internal.h"
|
#include "mqtt_protocol.h"
|
#include "memory_mosq.h"
|
#include "packet_mosq.h"
|
#include "property_mosq.h"
|
|
|
int send__unsuback(struct mosquitto *mosq, uint16_t mid, int reason_code_count, uint8_t *reason_codes, const mosquitto_property *properties)
|
{
|
struct mosquitto__packet *packet = NULL;
|
int rc;
|
int proplen, varbytes;
|
|
assert(mosq);
|
packet = mosquitto__calloc(1, sizeof(struct mosquitto__packet));
|
if(!packet) return MOSQ_ERR_NOMEM;
|
|
packet->command = CMD_UNSUBACK;
|
packet->remaining_length = 2;
|
|
if(mosq->protocol == mosq_p_mqtt5){
|
proplen = property__get_length_all(properties);
|
varbytes = packet__varint_bytes(proplen);
|
packet->remaining_length += varbytes + proplen + reason_code_count;
|
}
|
|
rc = packet__alloc(packet);
|
if(rc){
|
mosquitto__free(packet);
|
return rc;
|
}
|
|
packet__write_uint16(packet, mid);
|
|
if(mosq->protocol == mosq_p_mqtt5){
|
property__write_all(packet, properties, true);
|
packet__write_bytes(packet, reason_codes, reason_code_count);
|
}
|
|
return packet__queue(mosq, packet);
|
}
|
