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Code Issues Releases Wiki Activity

Reduce API component memory usage with conditional compilation (#9262)

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This commit is contained in:
J. Nick Koston
2025-06-29 22:33:35 -05:00
committed by GitHub
parent 7f8dd4b254
commit 6a354d7c94
7 changed files with 338 additions and 17 deletions
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38
esphome/components/api/api_server.h
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@@ -105,7 +105,18 @@ class APIServer : public Component, public Controller {
void on_media_player_update(media_player::MediaPlayer *obj) override;
#endif
void send_homeassistant_service_call(const HomeassistantServiceResponse &call);
void register_user_service(UserServiceDescriptor *descriptor) { this->user_services_.push_back(descriptor); }
void register_user_service(UserServiceDescriptor *descriptor) {
#ifdef USE_API_YAML_SERVICES
// Vector is pre-allocated when services are defined in YAML
this->user_services_.push_back(descriptor);
#else
// Lazy allocate vector on first use for CustomAPIDevice
if (!this->user_services_) {
this->user_services_ = std::make_unique<std::vector<UserServiceDescriptor *>>();
}
this->user_services_->push_back(descriptor);
#endif
}
#ifdef USE_HOMEASSISTANT_TIME
void request_time();
#endif
@@ -134,19 +145,34 @@ class APIServer : public Component, public Controller {
void get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
std::function<void(std::string)> f);
const std::vector<HomeAssistantStateSubscription> &get_state_subs() const;
const std::vector<UserServiceDescriptor *> &get_user_services() const { return this->user_services_; }
const std::vector<UserServiceDescriptor *> &get_user_services() const {
#ifdef USE_API_YAML_SERVICES
return this->user_services_;
#else
static const std::vector<UserServiceDescriptor *> EMPTY;
return this->user_services_ ? *this->user_services_ : EMPTY;
#endif
}
#ifdef USE_API_CLIENT_CONNECTED_TRIGGER
Trigger<std::string, std::string> *get_client_connected_trigger() const { return this->client_connected_trigger_; }
#endif
#ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
Trigger<std::string, std::string> *get_client_disconnected_trigger() const {
return this->client_disconnected_trigger_;
}
#endif
protected:
void schedule_reboot_timeout_();
// Pointers and pointer-like types first (4 bytes each)
std::unique_ptr<socket::Socket> socket_ = nullptr;
#ifdef USE_API_CLIENT_CONNECTED_TRIGGER
Trigger<std::string, std::string> *client_connected_trigger_ = new Trigger<std::string, std::string>();
#endif
#ifdef USE_API_CLIENT_DISCONNECTED_TRIGGER
Trigger<std::string, std::string> *client_disconnected_trigger_ = new Trigger<std::string, std::string>();
#endif
// 4-byte aligned types
uint32_t reboot_timeout_{300000};
@@ -156,7 +182,15 @@ class APIServer : public Component, public Controller {
std::string password_;
std::vector<uint8_t> shared_write_buffer_; // Shared proto write buffer for all connections
std::vector<HomeAssistantStateSubscription> state_subs_;
#ifdef USE_API_YAML_SERVICES
// When services are defined in YAML, we know at compile time that services will be registered
std::vector<UserServiceDescriptor *> user_services_;
#else
// Services can still be registered at runtime by CustomAPIDevice components even when not
// defined in YAML. Using unique_ptr allows lazy allocation, saving 12 bytes in the common
// case where no services (YAML or custom) are used.
std::unique_ptr<std::vector<UserServiceDescriptor *>> user_services_;
#endif
// Group smaller types together
uint16_t port_{6053};