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This commit is contained in:
J. Nick Koston
2025-07-31 06:47:31 -10:00
parent 3a80aac6e8
commit 551bff33c2
1 changed files with 77 additions and 78 deletions
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155
esphome/components/bluetooth_proxy/bluetooth_connection.cpp
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@@ -56,6 +56,13 @@ static size_t estimate_service_size(uint16_t char_count, bool use_efficient_uuid
return service_overhead + (char_size + desc_size) * char_count;
}
// Helper to calculate actual service size
static size_t get_service_size(api::BluetoothGATTService &service) {
api::ProtoSize service_size;
service.calculate_size(service_size);
return service_size.get_size();
}
bool BluetoothConnection::supports_efficient_uuids_() const {
auto *api_conn = this->proxy_->get_api_connection();
return api_conn && api_conn->client_supports_api_version(1, 12);
@@ -169,96 +176,88 @@ void BluetoothConnection::send_service_for_discovery_() {
break;
}
if (total_char_count == 0) {
// No characteristics, increment and continue to next service
this->send_service_++;
continue;
}
// Reserve space and process characteristics
service_resp.characteristics.reserve(total_char_count);
uint16_t char_offset = 0;
esp_gattc_char_elem_t char_result;
while (true) { // characteristics
uint16_t char_count = 1;
esp_gatt_status_t char_status =
esp_ble_gattc_get_all_char(this->gattc_if_, this->conn_id_, service_result.start_handle,
service_result.end_handle, &char_result, &char_count, char_offset);
if (char_status == ESP_GATT_INVALID_OFFSET || char_status == ESP_GATT_NOT_FOUND) {
break;
}
if (char_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_all_char error, status=%d", this->connection_index_,
this->address_str().c_str(), char_status);
this->send_service_ = DONE_SENDING_SERVICES;
return;
}
if (char_count == 0) {
break;
}
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++;
// Get the number of descriptors directly with one call
uint16_t total_desc_count = 0;
esp_gatt_status_t desc_count_status = esp_ble_gattc_get_attr_count(
this->gattc_if_, this->conn_id_, ESP_GATT_DB_DESCRIPTOR, 0, 0, char_result.char_handle, &total_desc_count);
if (desc_count_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] Error getting descriptor count for char handle %d, status=%d", this->connection_index_,
this->address_str().c_str(), char_result.char_handle, desc_count_status);
this->send_service_ = DONE_SENDING_SERVICES;
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);
uint16_t desc_offset = 0;
esp_gattc_descr_elem_t desc_result;
while (true) { // descriptors
uint16_t desc_count = 1;
esp_gatt_status_t desc_status = esp_ble_gattc_get_all_descr(
this->gattc_if_, this->conn_id_, char_result.char_handle, &desc_result, &desc_count, desc_offset);
if (desc_status == ESP_GATT_INVALID_OFFSET || desc_status == ESP_GATT_NOT_FOUND) {
if (total_char_count > 0) {
// Reserve space and process characteristics
service_resp.characteristics.reserve(total_char_count);
uint16_t char_offset = 0;
esp_gattc_char_elem_t char_result;
while (true) { // characteristics
uint16_t char_count = 1;
esp_gatt_status_t char_status =
esp_ble_gattc_get_all_char(this->gattc_if_, this->conn_id_, service_result.start_handle,
service_result.end_handle, &char_result, &char_count, char_offset);
if (char_status == ESP_GATT_INVALID_OFFSET || char_status == ESP_GATT_NOT_FOUND) {
break;
}
if (desc_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_all_descr error, status=%d", this->connection_index_,
this->address_str().c_str(), desc_status);
if (char_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_all_char error, status=%d", this->connection_index_,
this->address_str().c_str(), char_status);
this->send_service_ = DONE_SENDING_SERVICES;
return;
}
if (desc_count == 0) {
break; // No more descriptors
if (char_count == 0) {
break;
}
characteristic_resp.descriptors.emplace_back();
auto &descriptor_resp = characteristic_resp.descriptors.back();
service_resp.characteristics.emplace_back();
auto &characteristic_resp = service_resp.characteristics.back();
fill_gatt_uuid(descriptor_resp.uuid, descriptor_resp.short_uuid, desc_result.uuid, use_efficient_uuids);
fill_gatt_uuid(characteristic_resp.uuid, characteristic_resp.short_uuid, char_result.uuid, use_efficient_uuids);
descriptor_resp.handle = desc_result.handle;
desc_offset++;
characteristic_resp.handle = char_result.char_handle;
characteristic_resp.properties = char_result.properties;
char_offset++;
// Get the number of descriptors directly with one call
uint16_t total_desc_count = 0;
esp_gatt_status_t desc_count_status = esp_ble_gattc_get_attr_count(
this->gattc_if_, this->conn_id_, ESP_GATT_DB_DESCRIPTOR, 0, 0, char_result.char_handle, &total_desc_count);
if (desc_count_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] Error getting descriptor count for char handle %d, status=%d",
this->connection_index_, this->address_str().c_str(), char_result.char_handle, desc_count_status);
this->send_service_ = DONE_SENDING_SERVICES;
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);
uint16_t desc_offset = 0;
esp_gattc_descr_elem_t desc_result;
while (true) { // descriptors
uint16_t desc_count = 1;
esp_gatt_status_t desc_status = esp_ble_gattc_get_all_descr(
this->gattc_if_, this->conn_id_, char_result.char_handle, &desc_result, &desc_count, desc_offset);
if (desc_status == ESP_GATT_INVALID_OFFSET || desc_status == ESP_GATT_NOT_FOUND) {
break;
}
if (desc_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_all_descr error, status=%d", this->connection_index_,
this->address_str().c_str(), desc_status);
this->send_service_ = DONE_SENDING_SERVICES;
return;
}
if (desc_count == 0) {
break; // No more descriptors
}
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++;
}
}
}
} // end if (total_char_count > 0)
// Calculate the actual size of just this service
api::ProtoSize service_size;
service_resp.calculate_size(service_size);
// Update running total
current_size += service_size.get_size() + 1; // +1 for field tag
current_size += get_service_size(service_resp) + 1; // +1 for field tag
// Check if we've exceeded the limit (worst case scenario)
// Our estimation above should have caught this, but if we're here it means