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53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
#ifdef USE_ESP_IDF
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#include "mdns_component.h"
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#include "esphome/core/log.h"
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#include <mdns.h>
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#include <cstring>
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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, "mDNS 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;
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for (const auto &record : service.txt_records) {
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mdns_txt_item_t it{};
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// dup strings to ensure the pointer is valid even after the record loop
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it.key = strdup(record.key.c_str());
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it.value = strdup(record.value.c_str());
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txt_records.push_back(it);
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}
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err = mdns_service_add(nullptr, service.service_type.c_str(), service.proto.c_str(), service.port,
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txt_records.data(), txt_records.size());
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// free records
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for (const auto &it : txt_records) {
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delete it.key; // NOLINT(cppcoreguidelines-owning-memory)
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delete it.value; // NOLINT(cppcoreguidelines-owning-memory)
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}
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "Failed to register mDNS 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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} // namespace mdns
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} // namespace esphome
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#endif
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