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Code Issues Releases Wiki Activity

[network] Optimize get_use_address() to return const reference instead of a copy (#11218)

Browse Source 
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2025-10-13 17:54:33 -10:00
committed by GitHub
parent 9eef281895
commit 4c688a4b00
6 changed files with 20 additions and 27 deletions
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11
esphome/components/ethernet/ethernet_component.cpp
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@@ -689,14 +689,9 @@ void EthernetComponent::add_phy_register(PHYRegister register_value) { this->phy
void EthernetComponent::set_type(EthernetType type) { this->type_ = type; }
void EthernetComponent::set_manual_ip(const ManualIP &manual_ip) { this->manual_ip_ = manual_ip; }
std::string EthernetComponent::get_use_address() const {
if (this->use_address_.empty()) {
// ".local" suffix length for mDNS hostnames
constexpr size_t mdns_local_suffix_len = 5;
return make_name_with_suffix(App.get_name(), '.', "local", mdns_local_suffix_len);
}
return this->use_address_;
}
// set_use_address() is guaranteed to be called during component setup by Python code generation,
// so use_address_ will always be valid when get_use_address() is called - no fallback needed.
const std::string &EthernetComponent::get_use_address() const { return this->use_address_; }
void EthernetComponent::set_use_address(const std::string &use_address) { this->use_address_ = use_address; }

2
esphome/components/ethernet/ethernet_component.h
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@@ -88,7 +88,7 @@ class EthernetComponent : public Component {
network::IPAddresses get_ip_addresses();
network::IPAddress get_dns_address(uint8_t num);
std::string get_use_address() const;
const std::string &get_use_address() const;
void set_use_address(const std::string &use_address);
void get_eth_mac_address_raw(uint8_t *mac);
std::string get_eth_mac_address_pretty();

13
esphome/components/network/util.cpp
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@@ -85,22 +85,25 @@ network::IPAddresses get_ip_addresses() {
return {};
}
std::string get_use_address() {
const std::string &get_use_address() {
// Global component pointers are guaranteed to be set by component constructors when USE_* is defined
#ifdef USE_ETHERNET
if (ethernet::global_eth_component != nullptr)
return ethernet::global_eth_component->get_use_address();
#endif
#ifdef USE_MODEM
if (modem::global_modem_component != nullptr)
return modem::global_modem_component->get_use_address();
#endif
#ifdef USE_WIFI
if (wifi::global_wifi_component != nullptr)
return wifi::global_wifi_component->get_use_address();
#endif
return "";
#if !defined(USE_ETHERNET) && !defined(USE_MODEM) && !defined(USE_WIFI)
// Fallback when no network component is defined (e.g., host platform)
static const std::string empty;
return empty;
#endif
}
} // namespace network

2
esphome/components/network/util.h
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@@ -12,7 +12,7 @@ bool is_connected();
/// Return whether the network is disabled (only wifi for now)
bool is_disabled();
/// Get the active network hostname
std::string get_use_address();
const std::string &get_use_address();
IPAddresses get_ip_addresses();
} // namespace network

11
esphome/components/wifi/wifi_component.cpp
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@@ -265,14 +265,9 @@ network::IPAddress WiFiComponent::get_dns_address(int num) {
return this->wifi_dns_ip_(num);
return {};
}
std::string WiFiComponent::get_use_address() const {
if (this->use_address_.empty()) {
// ".local" suffix length for mDNS hostnames
constexpr size_t mdns_local_suffix_len = 5;
return make_name_with_suffix(App.get_name(), '.', "local", mdns_local_suffix_len);
}
return this->use_address_;
}
// set_use_address() is guaranteed to be called during component setup by Python code generation,
// so use_address_ will always be valid when get_use_address() is called - no fallback needed.
const std::string &WiFiComponent::get_use_address() const { return this->use_address_; }
void WiFiComponent::set_use_address(const std::string &use_address) { this->use_address_ = use_address; }
#ifdef USE_WIFI_AP

2
esphome/components/wifi/wifi_component.h
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@@ -275,7 +275,7 @@ class WiFiComponent : public Component {
network::IPAddress get_dns_address(int num);
network::IPAddresses get_ip_addresses();
std::string get_use_address() const;
const std::string &get_use_address() const;
void set_use_address(const std::string &use_address);
const std::vector<WiFiScanResult> &get_scan_result() const { return scan_result_; }