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[mdns][openthread] Use StaticVector for services storage with compile-time capacity (#10976)

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This commit is contained in:
J. Nick Koston
2025-10-05 15:30:17 -05:00
committed by GitHub
parent 19439199cc
commit 0fd71ca211
7 changed files with 44 additions and 51 deletions
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43
esphome/components/mdns/mdns_component.cpp
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@@ -74,32 +74,12 @@ MDNS_STATIC_CONST_CHAR(NETWORK_THREAD, "thread");
void MDNSComponent::compile_records_() {
this->hostname_ = App.get_name();
// Calculate exact capacity needed for services vector
size_t services_count = 0;
#ifdef USE_API
if (api::global_api_server != nullptr) {
services_count++;
}
#endif
#ifdef USE_PROMETHEUS
services_count++;
#endif
#ifdef USE_WEBSERVER
services_count++;
#endif
#ifdef USE_MDNS_EXTRA_SERVICES
services_count += this->services_extra_.size();
#endif
// Reserve for fallback service if needed
if (services_count == 0) {
services_count = 1;
}
this->services_.reserve(services_count);
// IMPORTANT: The #ifdef blocks below must match COMPONENTS_WITH_MDNS_SERVICES
// in mdns/__init__.py. If you add a new service here, update both locations.
#ifdef USE_API
if (api::global_api_server != nullptr) {
this->services_.emplace_back();
auto &service = this->services_.back();
auto &service = this->services_.emplace_next();
service.service_type = MDNS_STR(SERVICE_ESPHOMELIB);
service.proto = MDNS_STR(SERVICE_TCP);
service.port = api::global_api_server->get_port();
@@ -178,30 +158,23 @@ void MDNSComponent::compile_records_() {
#endif // USE_API
#ifdef USE_PROMETHEUS
this->services_.emplace_back();
auto &prom_service = this->services_.back();
auto &prom_service = this->services_.emplace_next();
prom_service.service_type = MDNS_STR(SERVICE_PROMETHEUS);
prom_service.proto = MDNS_STR(SERVICE_TCP);
prom_service.port = USE_WEBSERVER_PORT;
#endif
#ifdef USE_WEBSERVER
this->services_.emplace_back();
auto &web_service = this->services_.back();
auto &web_service = this->services_.emplace_next();
web_service.service_type = MDNS_STR(SERVICE_HTTP);
web_service.proto = MDNS_STR(SERVICE_TCP);
web_service.port = USE_WEBSERVER_PORT;
#endif
#ifdef USE_MDNS_EXTRA_SERVICES
this->services_.insert(this->services_.end(), this->services_extra_.begin(), this->services_extra_.end());
#endif
#if !defined(USE_API) && !defined(USE_PROMETHEUS) && !defined(USE_WEBSERVER) && !defined(USE_MDNS_EXTRA_SERVICES)
// Publish "http" service if not using native API or any other services
// This is just to have *some* mDNS service so that .local resolution works
this->services_.emplace_back();
auto &fallback_service = this->services_.back();
auto &fallback_service = this->services_.emplace_next();
fallback_service.service_type = "_http";
fallback_service.proto = "_tcp";
fallback_service.port = USE_WEBSERVER_PORT;
@@ -214,7 +187,7 @@ void MDNSComponent::dump_config() {
"mDNS:\n"
" Hostname: %s",
this->hostname_.c_str());
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERY_VERBOSE
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
ESP_LOGV(TAG, " Services:");
for (const auto &service : this->services_) {
ESP_LOGV(TAG, " - %s, %s, %d", service.service_type.c_str(), service.proto.c_str(),
@@ -227,8 +200,6 @@ void MDNSComponent::dump_config() {
#endif
}
std::vector<MDNSService> MDNSComponent::get_services() { return this->services_; }
} // namespace mdns
} // namespace esphome
#endif