diff --git a/esphome/components/api/api.proto b/esphome/components/api/api.proto index 87f477799d..9b714d00f1 100644 --- a/esphome/components/api/api.proto +++ b/esphome/components/api/api.proto @@ -1519,7 +1519,7 @@ message BluetoothGATTCharacteristic { repeated uint64 uuid = 1 [(fixed_array_size) = 2, (fixed_array_skip_zero) = true]; uint32 handle = 2; uint32 properties = 3; - repeated BluetoothGATTDescriptor descriptors = 4; + repeated BluetoothGATTDescriptor descriptors = 4 [(fixed_vector) = true]; // New field for efficient UUID (v1.12+) // Only one of uuid or short_uuid will be set. @@ -1531,7 +1531,7 @@ message BluetoothGATTCharacteristic { message BluetoothGATTService { repeated uint64 uuid = 1 [(fixed_array_size) = 2, (fixed_array_skip_zero) = true]; uint32 handle = 2; - repeated BluetoothGATTCharacteristic characteristics = 3; + repeated BluetoothGATTCharacteristic characteristics = 3 [(fixed_vector) = true]; // New field for efficient UUID (v1.12+) // Only one of uuid or short_uuid will be set. diff --git a/esphome/components/api/api_options.proto b/esphome/components/api/api_options.proto index 633f39b552..ead8ac0bbc 100644 --- a/esphome/components/api/api_options.proto +++ b/esphome/components/api/api_options.proto @@ -64,4 +64,10 @@ extend google.protobuf.FieldOptions { // This is typically done through methods returning const T& or special accessor // methods like get_options() or supported_modes_for_api_(). optional string container_pointer = 50001; + + // fixed_vector: Use FixedVector instead of std::vector for repeated fields + // When set, the repeated field will use FixedVector which requires calling + // init(size) before adding elements. This eliminates std::vector template overhead + // and is ideal when the exact size is known before populating the array. + optional bool fixed_vector = 50013 [default=false]; } diff --git a/esphome/components/api/api_pb2.h b/esphome/components/api/api_pb2.h index d9e68ece9b..1798458393 100644 --- a/esphome/components/api/api_pb2.h +++ b/esphome/components/api/api_pb2.h @@ -1923,7 +1923,7 @@ class BluetoothGATTCharacteristic final : public ProtoMessage { std::array uuid{}; uint32_t handle{0}; uint32_t properties{0}; - std::vector descriptors{}; + FixedVector descriptors{}; uint32_t short_uuid{0}; void encode(ProtoWriteBuffer buffer) const override; void calculate_size(ProtoSize &size) const override; @@ -1937,7 +1937,7 @@ class BluetoothGATTService final : public ProtoMessage { public: std::array uuid{}; uint32_t handle{0}; - std::vector characteristics{}; + FixedVector characteristics{}; uint32_t short_uuid{0}; void encode(ProtoWriteBuffer buffer) const override; void calculate_size(ProtoSize &size) const override; diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h index 9d780692ec..a6a09bf7c5 100644 --- a/esphome/components/api/proto.h +++ b/esphome/components/api/proto.h @@ -749,13 +749,29 @@ class ProtoSize { template inline void add_repeated_message(uint32_t field_id_size, const std::vector &messages) { // Skip if the vector is empty - if (messages.empty()) { - return; + if (!messages.empty()) { + // Use the force version for all messages in the repeated field + for (const auto &message : messages) { + add_message_object_force(field_id_size, message); + } } + } - // Use the force version for all messages in the repeated field - for (const auto &message : messages) { - add_message_object_force(field_id_size, message); + /** + * @brief Calculates and adds the sizes of all messages in a repeated field to the total message size (FixedVector + * version) + * + * @tparam MessageType The type of the nested messages in the FixedVector + * @param messages FixedVector of message objects + */ + template + inline void add_repeated_message(uint32_t field_id_size, const FixedVector &messages) { + // Skip if the fixed vector is empty + if (!messages.empty()) { + // Use the force version for all messages in the repeated field + for (const auto &message : messages) { + add_message_object_force(field_id_size, message); + } } } }; diff --git a/esphome/components/bluetooth_proxy/bluetooth_connection.cpp b/esphome/components/bluetooth_proxy/bluetooth_connection.cpp index cde82fbfb0..fcc344dda9 100644 --- a/esphome/components/bluetooth_proxy/bluetooth_connection.cpp +++ b/esphome/components/bluetooth_proxy/bluetooth_connection.cpp @@ -230,8 +230,8 @@ void BluetoothConnection::send_service_for_discovery_() { service_resp.handle = service_result.start_handle; if (total_char_count > 0) { - // Reserve space and process characteristics - service_resp.characteristics.reserve(total_char_count); + // Initialize FixedVector with exact count and process characteristics + service_resp.characteristics.init(total_char_count); uint16_t char_offset = 0; esp_gattc_char_elem_t char_result; while (true) { // characteristics @@ -253,9 +253,7 @@ void BluetoothConnection::send_service_for_discovery_() { service_resp.characteristics.emplace_back(); auto &characteristic_resp = service_resp.characteristics.back(); - fill_gatt_uuid(characteristic_resp.uuid, characteristic_resp.short_uuid, char_result.uuid, use_efficient_uuids); - characteristic_resp.handle = char_result.char_handle; characteristic_resp.properties = char_result.properties; char_offset++; @@ -271,12 +269,11 @@ void BluetoothConnection::send_service_for_discovery_() { return; } if (total_desc_count == 0) { - // No descriptors, continue to next characteristic continue; } - // Reserve space and process descriptors - characteristic_resp.descriptors.reserve(total_desc_count); + // Initialize FixedVector with exact count and process descriptors + characteristic_resp.descriptors.init(total_desc_count); uint16_t desc_offset = 0; esp_gattc_descr_elem_t desc_result; while (true) { // descriptors @@ -297,9 +294,7 @@ void BluetoothConnection::send_service_for_discovery_() { characteristic_resp.descriptors.emplace_back(); auto &descriptor_resp = characteristic_resp.descriptors.back(); - fill_gatt_uuid(descriptor_resp.uuid, descriptor_resp.short_uuid, desc_result.uuid, use_efficient_uuids); - descriptor_resp.handle = desc_result.handle; desc_offset++; } diff --git a/esphome/components/esp32_ble/__init__.py b/esphome/components/esp32_ble/__init__.py index 4d60090cfa..b27828236b 100644 --- a/esphome/components/esp32_ble/__init__.py +++ b/esphome/components/esp32_ble/__init__.py @@ -433,7 +433,7 @@ def final_validation(config): FINAL_VALIDATE_SCHEMA = final_validation -# This needs to be run as a job with very low priority so that all components have +# This needs to be run as a job with CoroPriority.FINAL priority so that all components have # a chance to register their handlers before the counts are added to defines. @coroutine_with_priority(CoroPriority.FINAL) async def _add_ble_handler_defines(): diff --git a/esphome/core/helpers.h b/esphome/core/helpers.h index 579dab87f2..fd6b3eb52f 100644 --- a/esphome/core/helpers.h +++ b/esphome/core/helpers.h @@ -202,7 +202,11 @@ template class FixedVector { ~FixedVector() { cleanup_(); } - // Enable move semantics for use in containers + // Disable copy operations (avoid accidental expensive copies) + FixedVector(const FixedVector &) = delete; + FixedVector &operator=(const FixedVector &) = delete; + + // Enable move semantics (allows use in move-only containers like std::vector) FixedVector(FixedVector &&other) noexcept : data_(other.data_), size_(other.size_), capacity_(other.capacity_) { other.reset_(); } diff --git a/requirements.txt b/requirements.txt index 1142c587b6..4425a4644e 100644 --- a/requirements.txt +++ b/requirements.txt @@ -12,7 +12,7 @@ platformio==6.1.18 # When updating platformio, also update /docker/Dockerfile esptool==5.1.0 click==8.1.7 esphome-dashboard==20251013.0 -aioesphomeapi==41.16.0 +aioesphomeapi==41.16.1 zeroconf==0.148.0 puremagic==1.30 ruamel.yaml==0.18.15 # dashboard_import diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py index 487c187372..9a55f1d136 100755 --- a/script/api_protobuf/api_protobuf.py +++ b/script/api_protobuf/api_protobuf.py @@ -1415,6 +1415,8 @@ class RepeatedTypeInfo(TypeInfo): # Check if this is a pointer field by looking for container_pointer option self._container_type = get_field_opt(field, pb.container_pointer, "") self._use_pointer = bool(self._container_type) + # Check if this should use FixedVector instead of std::vector + self._use_fixed_vector = get_field_opt(field, pb.fixed_vector, False) # For repeated fields, we need to get the base type info # but we can't call create_field_type_info as it would cause recursion @@ -1438,6 +1440,8 @@ class RepeatedTypeInfo(TypeInfo): if "<" in self._container_type and ">" in self._container_type: return f"const {self._container_type}*" return f"const {self._container_type}<{self._ti.cpp_type}>*" + if self._use_fixed_vector: + return f"FixedVector<{self._ti.cpp_type}>" return f"std::vector<{self._ti.cpp_type}>" @property