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Code Issues Projects Releases Wiki Activity

Avoid parsing services with v3 connections without cache (#4117)

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Co-authored-by: Daniel Cousens <413395+dcousens@users.noreply.github.com>
Co-authored-by: Maurice Makaay <account+github@makaay.nl>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
J. Nick Koston 2022-11-29 10:40:31 -10:00 committed by GitHub
parent a6196267c9
commit a59ce7bfa2
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 41 additions and 15 deletions
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2
esphome/components/bluetooth_proxy/bluetooth_connection.h
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@ -25,7 +25,7 @@ class BluetoothConnection : public esp32_ble_client::BLEClientBase {
friend class BluetoothProxy;
bool seen_mtu_or_services_{false};
int16_t send_service_{-1};
int16_t send_service_{-2};
BluetoothProxy *proxy_;
};

45
esphome/components/bluetooth_proxy/bluetooth_proxy.cpp
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@ -10,6 +10,7 @@ namespace esphome {
namespace bluetooth_proxy {
static const char *const TAG = "bluetooth_proxy";
static const int DONE_SENDING_SERVICES = -2;
BluetoothProxy::BluetoothProxy() { global_bluetooth_proxy = this; }
@ -77,32 +78,49 @@ void BluetoothProxy::loop() {
return;
}
for (auto *connection : this->connections_) {
if (connection->send_service_ == connection->services_.size()) {
connection->send_service_ = -1;
if (connection->send_service_ == connection->service_count_) {
connection->send_service_ = DONE_SENDING_SERVICES;
api::global_api_server->send_bluetooth_gatt_services_done(connection->get_address());
if (connection->connection_type_ == espbt::ConnectionType::V3_WITH_CACHE ||
connection->connection_type_ == espbt::ConnectionType::V3_WITHOUT_CACHE) {
connection->release_services();
}
} else if (connection->send_service_ >= 0) {
auto &service = connection->services_[connection->send_service_];
esp_gattc_service_elem_t service_result;
uint16_t service_count = 1;
esp_gatt_status_t service_status =
esp_ble_gattc_get_service(connection->get_gattc_if(), connection->get_conn_id(), nullptr, &service_result,
&service_count, connection->send_service_);
connection->send_service_++;
if (service_status != ESP_GATT_OK) {
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_service error at offset=%d, status=%d",
connection->get_connection_index(), connection->address_str().c_str(), connection->send_service_ - 1,
service_status);
continue;
}
if (service_count == 0) {
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_service missing, service_count=%d",
connection->get_connection_index(), connection->address_str().c_str(), service_count);
continue;
}
api::BluetoothGATTGetServicesResponse resp;
resp.address = connection->get_address();
api::BluetoothGATTService service_resp;
service_resp.uuid = {service->uuid.get_128bit_high(), service->uuid.get_128bit_low()};
service_resp.handle = service->start_handle;
auto service_uuid = espbt::ESPBTUUID::from_uuid(service_result.uuid);
service_resp.uuid = {service_uuid.get_128bit_high(), service_uuid.get_128bit_low()};
service_resp.handle = service_result.start_handle;
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(connection->get_gattc_if(), connection->get_conn_id(), service->start_handle,
service->end_handle, &char_result, &char_count, char_offset);
esp_gatt_status_t char_status = esp_ble_gattc_get_all_char(
connection->get_gattc_if(), connection->get_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_LOGW(TAG, "[%d] [%s] esp_ble_gattc_get_all_char error, status=%d", connection->get_connection_index(),
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_all_char error, status=%d", connection->get_connection_index(),
connection->address_str().c_str(), char_status);
break;
}
@ -126,7 +144,7 @@ void BluetoothProxy::loop() {
break;
}
if (desc_status != ESP_GATT_OK) {
ESP_LOGW(TAG, "[%d] [%s] esp_ble_gattc_get_all_descr error, status=%d", connection->get_connection_index(),
ESP_LOGE(TAG, "[%d] [%s] esp_ble_gattc_get_all_descr error, status=%d", connection->get_connection_index(),
connection->address_str().c_str(), desc_status);
break;
}
@ -144,7 +162,6 @@ void BluetoothProxy::loop() {
}
resp.services.push_back(std::move(service_resp));
api::global_api_server->send_bluetooth_gatt_services(resp);
connection->send_service_++;
}
}
}
@ -160,6 +177,7 @@ BluetoothConnection *BluetoothProxy::get_connection_(uint64_t address, bool rese
for (auto *connection : this->connections_) {
if (connection->get_address() == 0) {
connection->send_service_ = DONE_SENDING_SERVICES;
connection->set_address(address);
// All connections must start at INIT
// We only set the state if we allocate the connection
@ -332,12 +350,13 @@ void BluetoothProxy::bluetooth_gatt_send_services(const api::BluetoothGATTGetSer
api::global_api_server->send_bluetooth_gatt_error(msg.address, 0, ESP_GATT_NOT_CONNECTED);
return;
}
if (connection->services_.empty()) {
if (!connection->service_count_) {
ESP_LOGW(TAG, "[%d] [%s] No GATT services found", connection->connection_index_, connection->address_str().c_str());
api::global_api_server->send_bluetooth_gatt_services_done(msg.address);
return;
}
if (connection->send_service_ == -1) // Don't start sending services again if we're already sending them
if (connection->send_service_ ==
DONE_SENDING_SERVICES) // Only start sending services if we're not already sending them
connection->send_service_ = 0;
}

1
esphome/components/bluetooth_proxy/bluetooth_proxy.h
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@ -52,7 +52,6 @@ class BluetoothProxy : public esp32_ble_tracker::ESPBTDeviceListener, public Com
BluetoothConnection *get_connection_(uint64_t address, bool reserve);
int16_t send_service_{-1};
bool active_;
std::vector<BluetoothConnection *> connections_{};

7
esphome/components/esp32_ble_client/ble_client_base.cpp
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@ -123,6 +123,7 @@ bool BLEClientBase::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
case ESP_GATTC_OPEN_EVT: {
ESP_LOGV(TAG, "[%d] [%s] ESP_GATTC_OPEN_EVT", this->connection_index_, this->address_str_.c_str());
this->conn_id_ = param->open.conn_id;
this->service_count_ = 0;
if (param->open.status != ESP_GATT_OK && param->open.status != ESP_GATT_ALREADY_OPEN) {
ESP_LOGW(TAG, "[%d] [%s] Connection failed, status=%d", this->connection_index_, this->address_str_.c_str(),
param->open.status);
@ -164,6 +165,12 @@ bool BLEClientBase::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
break;
}
case ESP_GATTC_SEARCH_RES_EVT: {
this->service_count_++;
if (this->connection_type_ == espbt::ConnectionType::V3_WITHOUT_CACHE) {
// V3 clients don't need services initialized since
// they only request by handle after receiving the services.
break;
}
BLEService *ble_service = new BLEService(); // NOLINT(cppcoreguidelines-owning-memory)
ble_service->uuid = espbt::ESPBTUUID::from_uuid(param->search_res.srvc_id.uuid);
ble_service->start_handle = param->search_res.start_handle;

1
esphome/components/esp32_ble_client/ble_client_base.h
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@ -84,6 +84,7 @@ class BLEClientBase : public espbt::ESPBTClient, public Component {
uint64_t address_{0};
std::string address_str_{};
uint8_t connection_index_;
int16_t service_count_{0};
uint16_t mtu_{23};
espbt::ConnectionType connection_type_{espbt::ConnectionType::V1};