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[bluetooth_proxy] Eliminate heap allocations in connection state reporting (#10010)

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This commit is contained in:
J. Nick Koston
2025-08-01 20:26:00 -10:00
committed by GitHub
parent f1877ca084
commit 00d9baed11
13 changed files with 104 additions and 40 deletions
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33
esphome/components/bluetooth_proxy/bluetooth_proxy.cpp
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@@ -35,6 +35,9 @@ void BluetoothProxy::setup() {
// Don't pre-allocate pool - let it grow only if needed in busy environments
// Many devices in quiet areas will never need the overflow pool
this->connections_free_response_.limit = this->connections_.size();
this->connections_free_response_.free = this->connections_.size();
this->parent_->add_scanner_state_callback([this](esp32_ble_tracker::ScannerState state) {
if (this->api_connection_ != nullptr) {
this->send_bluetooth_scanner_state_(state);
@@ -134,20 +137,6 @@ void BluetoothProxy::dump_config() {
YESNO(this->active_), this->connections_.size());
}
int BluetoothProxy::get_bluetooth_connections_free() {
int free = 0;
for (auto *connection : this->connections_) {
if (connection->address_ == 0) {
free++;
ESP_LOGV(TAG, "[%d] Free connection", connection->get_connection_index());
} else {
ESP_LOGV(TAG, "[%d] Used connection by [%s]", connection->get_connection_index(),
connection->address_str().c_str());
}
}
return free;
}
void BluetoothProxy::loop() {
if (!api::global_api_server->is_connected() || this->api_connection_ == nullptr) {
for (auto *connection : this->connections_) {
@@ -439,17 +428,13 @@ void BluetoothProxy::send_device_connection(uint64_t address, bool connected, ui
this->api_connection_->send_message(call, api::BluetoothDeviceConnectionResponse::MESSAGE_TYPE);
}
void BluetoothProxy::send_connections_free() {
if (this->api_connection_ == nullptr)
return;
api::BluetoothConnectionsFreeResponse call;
call.free = this->get_bluetooth_connections_free();
call.limit = this->get_bluetooth_connections_limit();
for (auto *connection : this->connections_) {
if (connection->address_ != 0) {
call.allocated.push_back(connection->address_);
}
if (this->api_connection_ != nullptr) {
this->send_connections_free(this->api_connection_);
}
this->api_connection_->send_message(call, api::BluetoothConnectionsFreeResponse::MESSAGE_TYPE);
}
void BluetoothProxy::send_connections_free(api::APIConnection *api_connection) {
api_connection->send_message(this->connections_free_response_, api::BluetoothConnectionsFreeResponse::MESSAGE_TYPE);
}
void BluetoothProxy::send_gatt_services_done(uint64_t address) {