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Code Issues Releases Wiki Activity

[mqtt] Reduce flash usage by optimizing ArduinoJson assignments

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This commit is contained in:
J. Nick Koston
2025-10-17 23:35:52 -10:00
parent 85f1019d90
commit 5ad22620c9
2 changed files with 19 additions and 39 deletions
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7
esphome/components/mqtt/mqtt_client.cpp
View File

@@ -140,11 +140,8 @@ void MQTTClientComponent::send_device_info_() {
#endif #endif
#ifdef USE_API_NOISE #ifdef USE_API_NOISE
if (api::global_api_server->get_noise_ctx()->has_psk()) { root[api::global_api_server->get_noise_ctx()->has_psk() ? "api_encryption" : "api_encryption_supported"] =
root["api_encryption"] = "Noise_NNpsk0_25519_ChaChaPoly_SHA256"; "Noise_NNpsk0_25519_ChaChaPoly_SHA256";
} else {
root["api_encryption_supported"] = "Noise_NNpsk0_25519_ChaChaPoly_SHA256";
}
#endif #endif
}, },
2, this->discovery_info_.retain); 2, this->discovery_info_.retain);

51
esphome/components/mqtt/mqtt_component.cpp
View File

@@ -85,24 +85,20 @@ bool MQTTComponent::send_discovery_() {
} }
// Fields from EntityBase // Fields from EntityBase
if (this->get_entity()->has_own_name()) { root[MQTT_NAME] = this->get_entity()->has_own_name() ? this->friendly_name() : "";
root[MQTT_NAME] = this->friendly_name();
} else {
root[MQTT_NAME] = "";
}
if (this->is_disabled_by_default()) if (this->is_disabled_by_default())
root[MQTT_ENABLED_BY_DEFAULT] = false; root[MQTT_ENABLED_BY_DEFAULT] = false;
if (!this->get_icon().empty()) if (!this->get_icon().empty())
root[MQTT_ICON] = this->get_icon(); root[MQTT_ICON] = this->get_icon();
switch (this->get_entity()->get_entity_category()) { const auto entity_category = this->get_entity()->get_entity_category();
switch (entity_category) {
case ENTITY_CATEGORY_NONE: case ENTITY_CATEGORY_NONE:
break; break;
case ENTITY_CATEGORY_CONFIG: case ENTITY_CATEGORY_CONFIG:
root[MQTT_ENTITY_CATEGORY] = "config";
break;
case ENTITY_CATEGORY_DIAGNOSTIC: case ENTITY_CATEGORY_DIAGNOSTIC:
root[MQTT_ENTITY_CATEGORY] = "diagnostic"; root[MQTT_ENTITY_CATEGORY] = entity_category == ENTITY_CATEGORY_CONFIG ? "config" : "diagnostic";
break; break;
} }
@@ -113,20 +109,14 @@ bool MQTTComponent::send_discovery_() {
if (this->command_retain_) if (this->command_retain_)
root[MQTT_COMMAND_RETAIN] = true; root[MQTT_COMMAND_RETAIN] = true;
if (this->availability_ == nullptr) { const Availability &avail =
if (!global_mqtt_client->get_availability().topic.empty()) { this->availability_ == nullptr ? global_mqtt_client->get_availability() : *this->availability_;
root[MQTT_AVAILABILITY_TOPIC] = global_mqtt_client->get_availability().topic; if (!avail.topic.empty()) {
if (global_mqtt_client->get_availability().payload_available != "online") root[MQTT_AVAILABILITY_TOPIC] = avail.topic;
root[MQTT_PAYLOAD_AVAILABLE] = global_mqtt_client->get_availability().payload_available; if (avail.payload_available != "online")
if (global_mqtt_client->get_availability().payload_not_available != "offline") root[MQTT_PAYLOAD_AVAILABLE] = avail.payload_available;
root[MQTT_PAYLOAD_NOT_AVAILABLE] = global_mqtt_client->get_availability().payload_not_available; if (avail.payload_not_available != "offline")
} root[MQTT_PAYLOAD_NOT_AVAILABLE] = avail.payload_not_available;
} else if (!this->availability_->topic.empty()) {
root[MQTT_AVAILABILITY_TOPIC] = this->availability_->topic;
if (this->availability_->payload_available != "online")
root[MQTT_PAYLOAD_AVAILABLE] = this->availability_->payload_available;
if (this->availability_->payload_not_available != "offline")
root[MQTT_PAYLOAD_NOT_AVAILABLE] = this->availability_->payload_not_available;
} }
const MQTTDiscoveryInfo &discovery_info = global_mqtt_client->get_discovery_info(); const MQTTDiscoveryInfo &discovery_info = global_mqtt_client->get_discovery_info();
@@ -145,10 +135,7 @@ bool MQTTComponent::send_discovery_() {
if (discovery_info.object_id_generator == MQTT_DEVICE_NAME_OBJECT_ID_GENERATOR) if (discovery_info.object_id_generator == MQTT_DEVICE_NAME_OBJECT_ID_GENERATOR)
root[MQTT_OBJECT_ID] = node_name + "_" + this->get_default_object_id_(); root[MQTT_OBJECT_ID] = node_name + "_" + this->get_default_object_id_();
std::string node_friendly_name = App.get_friendly_name(); const std::string &node_friendly_name = App.get_friendly_name().empty() ? node_name : App.get_friendly_name();
if (node_friendly_name.empty()) {
node_friendly_name = node_name;
}
std::string node_area = App.get_area(); std::string node_area = App.get_area();
JsonObject device_info = root[MQTT_DEVICE].to<JsonObject>(); JsonObject device_info = root[MQTT_DEVICE].to<JsonObject>();
@@ -158,13 +145,9 @@ bool MQTTComponent::send_discovery_() {
#ifdef ESPHOME_PROJECT_NAME #ifdef ESPHOME_PROJECT_NAME
device_info[MQTT_DEVICE_SW_VERSION] = ESPHOME_PROJECT_VERSION " (ESPHome " ESPHOME_VERSION ")"; device_info[MQTT_DEVICE_SW_VERSION] = ESPHOME_PROJECT_VERSION " (ESPHome " ESPHOME_VERSION ")";
const char *model = std::strchr(ESPHOME_PROJECT_NAME, '.'); const char *model = std::strchr(ESPHOME_PROJECT_NAME, '.');
if (model == nullptr) { // must never happen but check anyway device_info[MQTT_DEVICE_MODEL] = model == nullptr ? ESPHOME_BOARD : model + 1;
device_info[MQTT_DEVICE_MODEL] = ESPHOME_BOARD; device_info[MQTT_DEVICE_MANUFACTURER] =
device_info[MQTT_DEVICE_MANUFACTURER] = ESPHOME_PROJECT_NAME; model == nullptr ? ESPHOME_PROJECT_NAME : std::string(ESPHOME_PROJECT_NAME, model - ESPHOME_PROJECT_NAME);
} else {
device_info[MQTT_DEVICE_MODEL] = model + 1;
device_info[MQTT_DEVICE_MANUFACTURER] = std::string(ESPHOME_PROJECT_NAME, model - ESPHOME_PROJECT_NAME);
}
#else #else
device_info[MQTT_DEVICE_SW_VERSION] = ESPHOME_VERSION " (" + App.get_compilation_time() + ")"; device_info[MQTT_DEVICE_SW_VERSION] = ESPHOME_VERSION " (" + App.get_compilation_time() + ")";
device_info[MQTT_DEVICE_MODEL] = ESPHOME_BOARD; device_info[MQTT_DEVICE_MODEL] = ESPHOME_BOARD;