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use heap check instead of message queue - https://github.com/emsesp/EMS-ESP32/issues/1067

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This commit is contained in:
Proddy
2023-02-22 13:08:53 +01:00
parent 924502113e
commit 2078305ff4
1 changed files with 23 additions and 17 deletions
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40
src/mqtt.cpp
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@@ -669,14 +669,13 @@ void Mqtt::ha_status() {
// add sub or pub task to the queue.
// returns a pointer to the message created
// the base is not included in the topic
std::shared_ptr<const MqttMessage> Mqtt::queue_message(const uint8_t operation, const std::string & topic, const std::string & payload, bool retain) {
void Mqtt::queue_message(const uint8_t operation, const std::string & topic, const std::string & payload, bool retain) {
if (topic.empty()) {
return nullptr;
return;
}
// take the topic and prefix the base, unless its for HA
std::shared_ptr<MqttMessage> message;
message = std::make_shared<MqttMessage>(operation, topic, payload, retain);
std::shared_ptr<MqttMessage> message = std::make_shared<MqttMessage>(operation, topic, payload, retain);
#if defined(EMSESP_DEBUG)
if (operation == Operation::PUBLISH) {
@@ -690,33 +689,39 @@ std::shared_ptr<const MqttMessage> Mqtt::queue_message(const uint8_t operation,
}
#endif
// if the queue is full, make room but removing the last one
if (mqtt_messages_.size() >= MAX_MQTT_MESSAGES) {
mqtt_messages_.pop_front();
LOG_WARNING("Queue overflow, removing one message");
// TODO : to look at with @MichaelDvP ...
// 1. check heap instead of counting?
// 2. reduce the time to process the queue so it empties quicker?
// 3. if the queue is full, just exit and don't remove the last message?
// if (mqtt_messages_.size() >= MAX_MQTT_MESSAGES) {
if (ESP.getFreeHeap() < (70 * 1024)) { // check for 70MB (which is around size of 223 on a 4MB ESP32)
// mqtt_messages_.pop_front();
LOG_WARNING("Queue overflow");
mqtt_publish_fails_++;
return; // don't add
}
mqtt_messages_.emplace_back(mqtt_message_id_++, std::move(message));
return mqtt_messages_.back().content_; // this is because the message has been moved
return;
}
// add MQTT message to queue, payload is a string
std::shared_ptr<const MqttMessage> Mqtt::queue_publish_message(const std::string & topic, const std::string & payload, bool retain) {
void Mqtt::queue_publish_message(const std::string & topic, const std::string & payload, bool retain) {
if (!enabled()) {
return nullptr;
return;
};
return queue_message(Operation::PUBLISH, topic, payload, retain);
queue_message(Operation::PUBLISH, topic, payload, retain);
}
// add MQTT subscribe message to queue
std::shared_ptr<const MqttMessage> Mqtt::queue_subscribe_message(const std::string & topic) {
return queue_message(Operation::SUBSCRIBE, topic, "", false); // no payload
void Mqtt::queue_subscribe_message(const std::string & topic) {
queue_message(Operation::SUBSCRIBE, topic, "", false); // no payload
}
// add MQTT unsubscribe message to queue
std::shared_ptr<const MqttMessage> Mqtt::queue_unsubscribe_message(const std::string & topic) {
return queue_message(Operation::UNSUBSCRIBE, topic, "", false); // no payload
void Mqtt::queue_unsubscribe_message(const std::string & topic) {
queue_message(Operation::UNSUBSCRIBE, topic, "", false); // no payload
}
// MQTT Publish, using a user's retain flag
@@ -964,7 +969,7 @@ void Mqtt::publish_system_ha_sensor_config(uint8_t type, const char * name, cons
void Mqtt::publish_ha_sensor_config(uint8_t type, // EMSdevice::DeviceValueType
uint8_t tag, // EMSdevice::DeviceValueTAG
const char * const fullname, // fullname, already translated
const char * const en_name, // original name
const char * const en_name, // original name in english
const uint8_t device_type, // EMSdevice::DeviceType
const char * const entity, // same as shortname
const uint8_t uom, // EMSdevice::DeviceValueUOM (0=NONE)
@@ -1063,6 +1068,7 @@ void Mqtt::publish_ha_sensor_config(uint8_t type, // EMSdev
}
}
// if we're asking to remove this topic, send an empty payload and exit
// https://github.com/emsesp/EMS-ESP32/issues/196
if (remove) {