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- /*
- Copyright (c) 2009-2020 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 2.0
- and Eclipse Distribution License v1.0 which accompany this distribution.
- The Eclipse Public License is available at
- https://www.eclipse.org/legal/epl-2.0/
- and the Eclipse Distribution License is available at
- http://www.eclipse.org/org/documents/edl-v10.php.
- SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
- Contributors:
- Roger Light - initial implementation and documentation.
- */
- #include "config.h"
- #include <assert.h>
- #ifdef WITH_BROKER
- # include "mosquitto_broker_internal.h"
- #endif
- #include "mosquitto.h"
- #include "mosquitto_internal.h"
- #include "logging_mosq.h"
- #include "memory_mosq.h"
- #include "mqtt_protocol.h"
- #include "packet_mosq.h"
- #include "property_mosq.h"
- #include "send_mosq.h"
- int send__disconnect(struct mosquitto *mosq, uint8_t reason_code, const mosquitto_property *properties)
- {
- struct mosquitto__packet *packet = NULL;
- int rc;
- assert(mosq);
- #ifdef WITH_BROKER
- # ifdef WITH_BRIDGE
- if(mosq->bridge){
- log__printf(mosq, MOSQ_LOG_DEBUG, "Bridge %s sending DISCONNECT", mosq->id);
- }else
- # else
- {
- log__printf(mosq, MOSQ_LOG_DEBUG, "Sending DISCONNECT to %s (rc%d)", mosq->id, reason_code);
- }
- # endif
- #else
- log__printf(mosq, MOSQ_LOG_DEBUG, "Client %s sending DISCONNECT", mosq->id);
- #endif
- assert(mosq);
- packet = mosquitto__calloc(1, sizeof(struct mosquitto__packet));
- if(!packet) return MOSQ_ERR_NOMEM;
- packet->command = CMD_DISCONNECT;
- if(mosq->protocol == mosq_p_mqtt5 && (reason_code != 0 || properties)){
- packet->remaining_length = 1;
- if(properties){
- packet->remaining_length += property__get_remaining_length(properties);
- }
- }else{
- packet->remaining_length = 0;
- }
- rc = packet__alloc(packet);
- if(rc){
- mosquitto__free(packet);
- return rc;
- }
- if(mosq->protocol == mosq_p_mqtt5 && (reason_code != 0 || properties)){
- packet__write_byte(packet, reason_code);
- if(properties){
- property__write_all(packet, properties, true);
- }
- }
- return packet__queue(mosq, packet);
- }
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