mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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Copyright (c) 2009-2021 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 2.0
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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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https://www.eclipse.org/legal/epl-2.0/
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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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SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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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 <assert.h>
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#include "mosquitto_broker_internal.h"
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#include "mosquitto/mqtt_protocol.h"
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#include "packet_mosq.h"
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#include "property_mosq.h"
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#include "sys_tree.h"
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int send__unsuback(struct mosquitto *mosq, uint16_t mid, int reason_code_count, uint8_t *reason_codes, const mosquitto_property *properties)
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{
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struct mosquitto__packet *packet = NULL;
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int rc;
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uint32_t remaining_length;
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assert(mosq);
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remaining_length = 2;
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if(mosq->protocol == mosq_p_mqtt5){
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remaining_length += mosquitto_property_get_remaining_length(properties);
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remaining_length += (uint32_t)reason_code_count;
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}
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rc = packet__alloc(&packet, CMD_UNSUBACK, remaining_length);
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if(rc){
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return rc;
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}
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packet__write_uint16(packet, mid);
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if(mosq->protocol == mosq_p_mqtt5){
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property__write_all(packet, properties, true);
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packet__write_bytes(packet, reason_codes, (uint32_t)reason_code_count);
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}
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metrics__int_inc(mosq_counter_mqtt_unsuback_sent, 1);
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return packet__queue(mosq, packet);
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}
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