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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#include "esphome/core/defines.h"
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#if defined(USE_ESP32) && defined(USE_MDNS)
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#include <mdns.h>
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#include <cstring>
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#include "esphome/core/hal.h"
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#include "esphome/core/log.h"
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#include "mdns_component.h"
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namespace esphome {
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namespace mdns {
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static const char *const TAG = "mdns";
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void MDNSComponent::setup() {
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this->compile_records_();
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esp_err_t err = mdns_init();
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "Init failed: %s", esp_err_to_name(err));
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this->mark_failed();
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return;
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}
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mdns_hostname_set(this->hostname_.c_str());
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mdns_instance_name_set(this->hostname_.c_str());
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for (const auto &service : this->services_) {
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std::vector<mdns_txt_item_t> txt_records(service.txt_records.size());
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for (size_t i = 0; i < service.txt_records.size(); i++) {
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// mdns_service_add copies the strings internally, no need to strdup
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txt_records[i].key = service.txt_records[i].key.c_str();
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txt_records[i].value = const_cast<TemplatableValue<std::string> &>(service.txt_records[i].value).value().c_str();
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}
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uint16_t port = const_cast<TemplatableValue<uint16_t> &>(service.port).value();
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err = mdns_service_add(nullptr, service.service_type.c_str(), service.proto.c_str(), port, txt_records.data(),
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txt_records.size());
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "Failed to register service %s: %s", service.service_type.c_str(), esp_err_to_name(err));
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}
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}
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}
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void MDNSComponent::on_shutdown() {
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mdns_free();
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delay(40); // Allow the mdns packets announcing service removal to be sent
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}
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} // namespace mdns
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} // namespace esphome
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#endif // USE_ESP32
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