int MQTTSProtocol_handleSubscribes(void* pack, int sock, char* clientAddr, Clients* client)
{
int rc = 0;
MQTTS_Subscribe* sub = (MQTTS_Subscribe*)pack;
int isnew;
int topicId = 0;
char* topicName = NULL , *preDefinedTopicName = NULL;
FUNC_ENTRY;
Log(LOG_PROTOCOL, 67, NULL, sock, clientAddr, client ? client->clientID : "",
sub->msgId,
(sub->flags.QoS == 3) ? -1: sub->flags.QoS,
sub->flags.topicIdType);
// NORMAL (topic name is in subscribe packet) or SHORT topic name
if (sub->flags.topicIdType == MQTTS_TOPIC_TYPE_NORMAL || sub->flags.topicIdType == MQTTS_TOPIC_TYPE_SHORT)
{
topicName = sub->topicName;
sub->topicName = NULL;
}
// Pre-defined topic
else if (sub->flags.topicIdType == MQTTS_TOPIC_TYPE_PREDEFINED && client != NULL && sub->topicId != 0)
{
char *name = MQTTSProtocol_getPreRegisteredTopicName(client, sub->topicId) ;
if (name) {
preDefinedTopicName = MQTTSProtocol_replaceTopicNamePlaceholders(client , name ) ;
}
topicName = preDefinedTopicName ;
topicId = sub->topicId;
}
// If topic name not found send SubAck with Rejected - Invalid topic ID
if (topicName == NULL)
rc = MQTTSPacket_send_subAck(client, sub, 0, sub->flags.QoS, MQTTS_RC_REJECTED_INVALID_TOPIC_ID);
else
{
if (sub->flags.topicIdType == MQTTS_TOPIC_TYPE_NORMAL && !Topics_hasWildcards(topicName))
{
char* regTopicName = malloc(strlen(topicName)+1);
strcpy(regTopicName, topicName);
topicId = (MQTTSProtocol_registerTopic(client, regTopicName))->id;
}
isnew = SubscriptionEngines_subscribe(bstate->se, client->clientID,
topicName, sub->flags.QoS, client->noLocal, (client->cleansession == 0), PRIORITY_NORMAL);
if ( (rc = MQTTSPacket_send_subAck(client, sub, topicId, sub->flags.QoS, MQTTS_RC_ACCEPTED)) == 0)
if ((client->noLocal == 0) || isnew)
MQTTProtocol_processRetaineds(client, topicName,sub->flags.QoS, PRIORITY_NORMAL);
}
time( &(client->lastContact) );
MQTTSPacket_free_packet(pack);
if (preDefinedTopicName)
free (preDefinedTopicName);
FUNC_EXIT_RC(rc);
return rc;
}
int MQTTSProtocol_handleRegisters(void* pack, int sock, char* clientAddr, Clients* client)
{
int rc = 0;
MQTTS_Register* registerPack = (MQTTS_Register*)pack;
ListElement* elem = NULL;
int topicId = 0;
FUNC_ENTRY;
Log(LOG_PROTOCOL, 51, NULL, sock, clientAddr, client ? client->clientID : "",
registerPack->msgId, registerPack->topicId, registerPack->topicName);
if ((elem = ListFindItem(client->registrations, registerPack->topicName, registeredTopicNameCompare)) == NULL)
{
topicId = (MQTTSProtocol_registerTopic(client, registerPack->topicName))->id;
registerPack->topicName = NULL;
}
else
topicId = ((Registration*)(elem->content))->id;
rc = MQTTSPacket_send_regAck(client, registerPack->msgId, topicId, MQTTS_RC_ACCEPTED);
time( &(client->lastContact) );
MQTTSPacket_free_packet(pack);
FUNC_EXIT_RC(rc);
return rc;
}
int MQTTSProtocol_startRegistration(Clients* client, char* topic)
{
int rc = 0;
FUNC_ENTRY;
if (client->outbound)
rc = MQTTSProtocol_startClientRegistration(client,topic);
else
{
PendingRegistration* pendingReg = malloc(sizeof(PendingRegistration));
Registration* reg;
int msgId = MQTTProtocol_assignMsgId(client);
char* regTopicName = malloc(strlen(topic)+1);
strcpy(regTopicName,topic);
reg = MQTTSProtocol_registerTopic(client, regTopicName);
pendingReg->msgId = msgId;
pendingReg->registration = reg;
time(&(pendingReg->sent));
client->pendingRegistration = pendingReg;
rc = MQTTSPacket_send_register(client, reg->id, regTopicName, msgId);
}
FUNC_EXIT_RC(rc);
return rc;
}
