#include "config.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#ifdef WITH_BROKER
# include "mosquitto_broker_internal.h"
#endif
#include "mosquitto.h"
#include "logging_mosq.h"
#include "memory_mosq.h"
#include "messages_mosq.h"
#include "mqtt_protocol.h"
#include "net_mosq.h"
#include "packet_mosq.h"
#include "property_mosq.h"
#include "read_handle.h"
#include "send_mosq.h"
#include "util_mosq.h"
int handle__unsuback(struct mosquitto *mosq)
{
uint16_t mid;
int rc;
mosquitto_property *properties = NULL;
assert(mosq);
if(mosquitto__get_state(mosq) != mosq_cs_active){
return MOSQ_ERR_PROTOCOL;
}
#ifdef WITH_BROKER
log__printf(NULL, MOSQ_LOG_DEBUG, "Received UNSUBACK from %s", mosq->id);
#else
log__printf(mosq, MOSQ_LOG_DEBUG, "Client %s received UNSUBACK", mosq->id);
#endif
rc = packet__read_uint16(&mosq->in_packet, &mid);
if(rc) return rc;
if(mid == 0) return MOSQ_ERR_PROTOCOL;
if(mosq->protocol == mosq_p_mqtt5){
rc = property__read_all(CMD_UNSUBACK, &mosq->in_packet, &properties);
if(rc) return rc;
}
#ifdef WITH_BROKER
mosquitto_property_free_all(&properties);
#else
pthread_mutex_lock(&mosq->callback_mutex);
if(mosq->on_unsubscribe){
mosq->in_callback = true;
mosq->on_unsubscribe(mosq, mosq->userdata, mid);
mosq->in_callback = false;
}
if(mosq->on_unsubscribe_v5){
mosq->in_callback = true;
mosq->on_unsubscribe_v5(mosq, mosq->userdata, mid, properties);
mosq->in_callback = false;
}
pthread_mutex_unlock(&mosq->callback_mutex);
mosquitto_property_free_all(&properties);
#endif
return MOSQ_ERR_SUCCESS;
}