static void mqttClient_connExpiryHndlr(le_timer_Ref_t timer)
{
mqttClient_t* clientData = le_timer_GetContextPtr(timer);
int32_t rc = LE_OK;
LE_ASSERT(clientData);
rc = mqttClient_close(clientData);
if (rc)
{
LE_ERROR("mqttClient_close() failed(%d)", rc);
goto cleanup;
}
LE_DEBUG("<--- reconnect");
rc = mqttClient_connect(clientData);
if (rc)
{
LE_ERROR("mqttClient_connect() failed(%d)", rc);
goto cleanup;
}
cleanup:
return;
}
MqttReturnCode mqttClient_startPub(AJBMqttClient *client,MqttConfigure config,MqttDispatcher dispatcher){
newAJBMqttClient(client,config.username, config.password, config.clientid,config.cleansession);
client->keepAlive = config.keepAlive; //default is 20s
client->qos = 2; //default is QOS2
client->timout_ms = config.timeout_ms; //default is 2000ms
client->aliveAttr = config.aliveAttr;
MqttLog("%d-%d-%d-%d",client->aliveAttr.auto_con,client->aliveAttr.recon_int,client->aliveAttr.recon_max,client->aliveAttr.reconnecting);
client->dispatcher = dispatcher;
client->dispatcher.shouldReSubscribe = NULL;
mqttClient_setDispatcher(client,dispatcher);
client->keepworking = 1;
mqttClient_connect(client,config.host,config.port);
// client->keepworking = 0;
strcpy(client->topic, config.topic);
dispatcher.shouldReSubscribe = dispatcher.shouldReSubscribe;
printf("%s\n",client->clientId);
return 0;
}
static int mqttClient_write(mqttClient_t* clientData, int length)
{
int bytes = length ? length:clientData->session.tx.bytesLeft;
le_result_t rc = LE_OK;
LE_ASSERT(clientData);
clientData->session.cmdLen = length;
if (clientData->session.sock == MQTT_CLIENT_INVALID_SOCKET)
{
rc = mqttClient_connect(clientData);
if (rc)
{
LE_ERROR("mqttClient_connect() failed(%d)", errno);
rc = LE_IO_ERROR;
goto cleanup;
}
}
else
{
while (bytes > 0)
{
mqttClient_dumpBuffer(clientData->session.tx.ptr, bytes);
int sent = write(clientData->session.sock, clientData->session.tx.ptr, bytes);
if (sent == -1)
{
if (errno == EAGAIN)
{
le_fdMonitor_Enable(clientData->session.sockFdMonitor, POLLOUT);
clientData->session.tx.bytesLeft = bytes;
LE_WARN("send blocked(%u)", clientData->session.tx.bytesLeft);
goto cleanup;
}
else
{
LE_ERROR("write() failed(%d)", errno);
rc = LE_IO_ERROR;
goto cleanup;
}
}
else
{
clientData->session.tx.ptr += sent;
bytes -= sent;
}
}
le_timer_Restart(clientData->session.pingTimer);
clientData->session.tx.ptr = clientData->session.tx.buf;
clientData->session.rx.ptr = clientData->session.rx.buf;
}
cleanup:
return rc;
}
static void mqttClient_cmdExpiryHndlr(le_timer_Ref_t timer)
{
mqttClient_t* clientData = le_timer_GetContextPtr(timer);
int32_t rc = LE_OK;
LE_ASSERT(clientData);
if (clientData->session.cmdRetries < MQTT_CLIENT_MAX_SEND_RETRIES)
{
if (clientData->session.sock == MQTT_CLIENT_INVALID_SOCKET)
{
LE_DEBUG("<--- reconnect");
rc = mqttClient_connect(clientData);
if (rc)
{
LE_ERROR("mqttClient_connect() failed(%d)", rc);
goto cleanup;
}
}
else
{
LE_DEBUG("<--- resend CMD(%u)", clientData->session.cmdRetries++);
rc = mqttClient_write(clientData, clientData->session.cmdLen);
if (rc)
{
LE_ERROR("mqttClient_write() failed(%d)", rc);
goto cleanup;
}
}
}
else
{
LE_ERROR("maximum retries reached(%u)", MQTT_CLIENT_MAX_SEND_RETRIES);
goto cleanup;
}
cleanup:
return;
}
MqttReturnCode mqttClient_start2(AJBMqttClient *client,MqttConfigure config,MqttDispatcher dispatcher){
newAJBMqttClient(client,config.username, config.password, config.clientid,config.cleansession);
client->keepAlive = config.keepAlive; //default is 20s
client->qos = 2; //default is QOS2
client->timout_ms = config.timeout_ms; //default is 2000ms
client->aliveAttr = config.aliveAttr;
// MqttLog("%d-%d-%d-%d",client->aliveAttr.auto_con,client->aliveAttr.recon_int,client->aliveAttr.recon_max,client->aliveAttr.reconnecting);
// setWill(&client, "c/test1234567890/info", "this is a will");
client->dispatcher = dispatcher;
client->dispatcher.shouldReSubscribe = NULL;
mqttClient_setDispatcher(client,dispatcher);
int raw = client->keepworking;
client->keepworking = 1;
mqttClient_connect(client,config.host,config.port);
client->keepworking = raw;
char topic[MAX_TOPIC_LEN]={};
getSuggestTopic(topic, client->clientId);
if ((!config.disable_subscribe) || (client->cleanSession!=0)) {
mqttClient_subscribe(client, topic, 2);
}
else{
MqttLog("[SUB %s] skip subscribe",client->clientId);
}
// mqttClient_subscribe(client, "c/lixiao-0612/info", 2);
dispatcher.shouldReSubscribe = dispatcher.shouldReSubscribe;
// client->keepRunning(client);
return 0;
}
MqttReturnCode mqttClient_reconnect(AJBMqttClient *client){
logToLocal(client->indexTag,log_erro_path,"[CONNECT reconnect] %s:%d ---> %s",client->host,client->port,client->clientId);
return mqttClient_connect(client, client->host, client->port);
}
static int mqttClient_startSession(mqttClient_t* clientData)
{
int rc = LE_OK;
LE_ASSERT(clientData);
memcpy(&clientData->session.config, &clientData->config, sizeof(clientData->config));
clientData->session.connTimer = le_timer_Create(MQTT_CLIENT_CONNECT_TIMER);
if (!clientData->session.connTimer)
{
LE_ERROR("le_timer_Create() failed");
rc = LE_BAD_PARAMETER;
goto cleanup;
}
rc = le_timer_SetHandler(clientData->session.connTimer, mqttClient_connExpiryHndlr);
if (rc)
{
LE_ERROR("le_timer_SetHandler() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetMsInterval(clientData->session.connTimer, MQTT_CLIENT_CONNECT_TIMEOUT_MS);
if (rc)
{
LE_ERROR("le_timer_SetMsInterval() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetContextPtr(clientData->session.connTimer, clientData);
if (rc)
{
LE_ERROR("le_timer_SetContextPtr() failed(%d)", rc);
goto cleanup;
}
clientData->session.cmdTimer = le_timer_Create(MQTT_CLIENT_COMMAND_TIMER);
if (!clientData->session.cmdTimer)
{
LE_ERROR("le_timer_Create() failed");
rc = LE_BAD_PARAMETER;
goto cleanup;
}
rc = le_timer_SetHandler(clientData->session.cmdTimer, mqttClient_cmdExpiryHndlr);
if (rc)
{
LE_ERROR("le_timer_SetHandler() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetMsInterval(clientData->session.cmdTimer, MQTT_CLIENT_CMD_TIMEOUT_MS);
if (rc)
{
LE_ERROR("le_timer_SetMsInterval() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetContextPtr(clientData->session.cmdTimer, clientData);
if (rc)
{
LE_ERROR("le_timer_SetContextPtr() failed(%d)", rc);
goto cleanup;
}
clientData->session.pingTimer = le_timer_Create(MQTT_CLIENT_PING_TIMER);
if (!clientData->session.pingTimer)
{
LE_ERROR("le_timer_Create() failed");
rc = LE_BAD_PARAMETER;
goto cleanup;
}
rc = le_timer_SetHandler(clientData->session.pingTimer, mqttClient_pingExpiryHndlr);
if (rc)
{
LE_ERROR("le_timer_SetHandler() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetMsInterval(clientData->session.pingTimer, clientData->session.config.keepAlive * 1000);
if (rc)
{
LE_ERROR("le_timer_SetMsInterval() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetRepeat(clientData->session.pingTimer, 0);
if (rc)
{
LE_ERROR("le_timer_SetRepeat() failed(%d)", rc);
goto cleanup;
}
rc = le_timer_SetContextPtr(clientData->session.pingTimer, clientData);
if (rc)
{
LE_ERROR("le_timer_SetContextPtr() failed(%d)", rc);
goto cleanup;
}
LE_INFO("connect(%s:%d)", clientData->session.config.brokerUrl, clientData->session.config.portNumber);
rc = mqttClient_connect(clientData);
if (rc)
{
LE_ERROR("mqttClient_connect() failed(%d)", rc);
goto cleanup;
}
cleanup:
if (rc)
{
LE_INFO("start session failed");
mqttClient_SendConnStateEvent(false, rc, -1);
}
return rc;
}
