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109 lines
4.7 KiB
C++
109 lines
4.7 KiB
C++
#include "ble_server_automations.h"
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#ifdef USE_ESP32
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namespace esphome {
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namespace esp32_ble_server {
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// Interface to interact with ESPHome automations and triggers
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namespace esp32_ble_server_automations {
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using namespace esp32_ble;
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#ifdef USE_ESP32_BLE_SERVER_CHARACTERISTIC_ON_WRITE
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Trigger<std::vector<uint8_t>, uint16_t> *BLETriggers::create_characteristic_on_write_trigger(
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BLECharacteristic *characteristic) {
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Trigger<std::vector<uint8_t>, uint16_t> *on_write_trigger = // NOLINT(cppcoreguidelines-owning-memory)
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new Trigger<std::vector<uint8_t>, uint16_t>();
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characteristic->EventEmitter<BLECharacteristicEvt::VectorEvt, std::vector<uint8_t>, uint16_t>::on(
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BLECharacteristicEvt::VectorEvt::ON_WRITE,
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[on_write_trigger](const std::vector<uint8_t> &data, uint16_t id) { on_write_trigger->trigger(data, id); });
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return on_write_trigger;
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}
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#endif
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#ifdef USE_ESP32_BLE_SERVER_DESCRIPTOR_ON_WRITE
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Trigger<std::vector<uint8_t>, uint16_t> *BLETriggers::create_descriptor_on_write_trigger(BLEDescriptor *descriptor) {
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Trigger<std::vector<uint8_t>, uint16_t> *on_write_trigger = // NOLINT(cppcoreguidelines-owning-memory)
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new Trigger<std::vector<uint8_t>, uint16_t>();
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descriptor->on(
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BLEDescriptorEvt::VectorEvt::ON_WRITE,
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[on_write_trigger](const std::vector<uint8_t> &data, uint16_t id) { on_write_trigger->trigger(data, id); });
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return on_write_trigger;
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}
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#endif
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#ifdef USE_ESP32_BLE_SERVER_ON_CONNECT
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Trigger<uint16_t> *BLETriggers::create_server_on_connect_trigger(BLEServer *server) {
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Trigger<uint16_t> *on_connect_trigger = new Trigger<uint16_t>(); // NOLINT(cppcoreguidelines-owning-memory)
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server->on(BLEServerEvt::EmptyEvt::ON_CONNECT,
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[on_connect_trigger](uint16_t conn_id) { on_connect_trigger->trigger(conn_id); });
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return on_connect_trigger;
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}
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#endif
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#ifdef USE_ESP32_BLE_SERVER_ON_DISCONNECT
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Trigger<uint16_t> *BLETriggers::create_server_on_disconnect_trigger(BLEServer *server) {
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Trigger<uint16_t> *on_disconnect_trigger = new Trigger<uint16_t>(); // NOLINT(cppcoreguidelines-owning-memory)
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server->on(BLEServerEvt::EmptyEvt::ON_DISCONNECT,
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[on_disconnect_trigger](uint16_t conn_id) { on_disconnect_trigger->trigger(conn_id); });
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return on_disconnect_trigger;
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}
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#endif
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#ifdef USE_ESP32_BLE_SERVER_SET_VALUE_ACTION
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void BLECharacteristicSetValueActionManager::set_listener(BLECharacteristic *characteristic,
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EventEmitterListenerID listener_id,
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const std::function<void()> &pre_notify_listener) {
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// Find and remove existing listener for this characteristic
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auto *existing = this->find_listener_(characteristic);
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if (existing != nullptr) {
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// Remove the previous listener
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characteristic->EventEmitter<BLECharacteristicEvt::EmptyEvt, uint16_t>::off(BLECharacteristicEvt::EmptyEvt::ON_READ,
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existing->listener_id);
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// Remove the pre-notify listener
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this->off(BLECharacteristicSetValueActionEvt::PRE_NOTIFY, existing->pre_notify_listener_id);
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// Remove from vector
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this->remove_listener_(characteristic);
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}
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// Create a new listener for the pre-notify event
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EventEmitterListenerID pre_notify_listener_id =
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this->on(BLECharacteristicSetValueActionEvt::PRE_NOTIFY,
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[pre_notify_listener, characteristic](const BLECharacteristic *evt_characteristic) {
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// Only call the pre-notify listener if the characteristic is the one we are interested in
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if (characteristic == evt_characteristic) {
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pre_notify_listener();
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}
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});
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// Save the entry to the vector
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this->listeners_.push_back({characteristic, listener_id, pre_notify_listener_id});
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}
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BLECharacteristicSetValueActionManager::ListenerEntry *BLECharacteristicSetValueActionManager::find_listener_(
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BLECharacteristic *characteristic) {
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for (auto &entry : this->listeners_) {
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if (entry.characteristic == characteristic) {
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return &entry;
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}
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}
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return nullptr;
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}
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void BLECharacteristicSetValueActionManager::remove_listener_(BLECharacteristic *characteristic) {
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// Since we typically have very few listeners, optimize by swapping with back and popping
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for (size_t i = 0; i < this->listeners_.size(); i++) {
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if (this->listeners_[i].characteristic == characteristic) {
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// Swap with last element and pop (safe even when i is the last element)
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this->listeners_[i] = this->listeners_.back();
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this->listeners_.pop_back();
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return;
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}
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}
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}
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#endif
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} // namespace esp32_ble_server_automations
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} // namespace esp32_ble_server
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} // namespace esphome
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#endif
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