82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
|
/*
|
||
|
Copyright (c) 2009-2015 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 <assert.h>
|
||
|
#include <stdio.h>
|
||
|
#include <string.h>
|
||
|
|
||
|
#include "mosquitto.h"
|
||
|
#include "logging_mosq.h"
|
||
|
#include "memory_mosq.h"
|
||
|
#include "messages_mosq.h"
|
||
|
#include "mqtt3_protocol.h"
|
||
|
#include "net_mosq.h"
|
||
|
#include "packet_mosq.h"
|
||
|
#include "read_handle.h"
|
||
|
#include "send_mosq.h"
|
||
|
#include "util_mosq.h"
|
||
|
|
||
|
#ifdef WITH_BROKER
|
||
|
# include "mosquitto_broker.h"
|
||
|
#endif
|
||
|
|
||
|
|
||
|
int handle__pubrel(struct mosquitto_db *db, struct mosquitto *mosq)
|
||
|
{
|
||
|
uint16_t mid;
|
||
|
#ifndef WITH_BROKER
|
||
|
struct mosquitto_message_all *message = NULL;
|
||
|
#endif
|
||
|
int rc;
|
||
|
|
||
|
assert(mosq);
|
||
|
if(mosq->protocol == mosq_p_mqtt311){
|
||
|
if((mosq->in_packet.command&0x0F) != 0x02){
|
||
|
return MOSQ_ERR_PROTOCOL;
|
||
|
}
|
||
|
}
|
||
|
rc = packet__read_uint16(&mosq->in_packet, &mid);
|
||
|
if(rc) return rc;
|
||
|
#ifdef WITH_BROKER
|
||
|
log__printf(NULL, MOSQ_LOG_DEBUG, "Received PUBREL from %s (Mid: %d)", mosq->id, mid);
|
||
|
|
||
|
if(db__message_release(db, mosq, mid, mosq_md_in)){
|
||
|
/* Message not found. Still send a PUBCOMP anyway because this could be
|
||
|
* due to a repeated PUBREL after a client has reconnected. */
|
||
|
}
|
||
|
#else
|
||
|
log__printf(mosq, MOSQ_LOG_DEBUG, "Client %s received PUBREL (Mid: %d)", mosq->id, mid);
|
||
|
|
||
|
if(!message__remove(mosq, mid, mosq_md_in, &message)){
|
||
|
/* Only pass the message on if we have removed it from the queue - this
|
||
|
* prevents multiple callbacks for the same message. */
|
||
|
pthread_mutex_lock(&mosq->callback_mutex);
|
||
|
if(mosq->on_message){
|
||
|
mosq->in_callback = true;
|
||
|
mosq->on_message(mosq, mosq->userdata, &message->msg);
|
||
|
mosq->in_callback = false;
|
||
|
}
|
||
|
pthread_mutex_unlock(&mosq->callback_mutex);
|
||
|
message__cleanup(&message);
|
||
|
}
|
||
|
#endif
|
||
|
rc = send__pubcomp(mosq, mid);
|
||
|
if(rc) return rc;
|
||
|
|
||
|
return MOSQ_ERR_SUCCESS;
|
||
|
}
|
||
|
|