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revise

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This commit is contained in:
J. Nick Koston
2025-10-07 14:44:38 -05:00
parent 0dcc1baf41
commit 9cecbee33a
1 changed files with 13 additions and 5 deletions
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18
esphome/components/mdns/mdns_esp32.cpp
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@@ -26,16 +26,24 @@ void MDNSComponent::setup() {
mdns_instance_name_set(this->hostname_.c_str());
for (const auto &service : this->services_) {
std::vector<mdns_txt_item_t> txt_records(service.txt_records.size());
for (size_t i = 0; i < service.txt_records.size(); i++) {
// mdns_service_add copies the strings internally, no need to strdup
txt_records[i].key = service.txt_records[i].key.c_str();
txt_records[i].value = const_cast<TemplatableValue<std::string> &>(service.txt_records[i].value).value().c_str();
std::vector<mdns_txt_item_t> txt_records;
for (const auto &record : service.txt_records) {
mdns_txt_item_t it{};
// key is a persistent string in services_, no need to strdup
it.key = record.key.c_str();
// value is a temporary from TemplatableValue, must strdup to keep it alive
it.value = strdup(const_cast<TemplatableValue<std::string> &>(record.value).value().c_str());
txt_records.push_back(it);
}
uint16_t port = const_cast<TemplatableValue<uint16_t> &>(service.port).value();
err = mdns_service_add(nullptr, service.service_type.c_str(), service.proto.c_str(), port, txt_records.data(),
txt_records.size());
// free records
for (const auto &it : txt_records) {
free((void *) it.value); // NOLINT(cppcoreguidelines-owning-memory,cppcoreguidelines-pro-type-cstyle-cast)
}
if (err != ESP_OK) {
ESP_LOGW(TAG, "Failed to register service %s: %s", service.service_type.c_str(), esp_err_to_name(err));
}