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This commit is contained in:
J. Nick Koston
2025-07-31 06:59:10 -10:00
parent 551bff33c2
commit 1225df594f
1 changed files with 9 additions and 9 deletions
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16
esphome/components/bluetooth_proxy/bluetooth_connection.cpp
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@@ -127,13 +127,14 @@ void BluetoothConnection::send_service_for_discovery_() {
// Dynamic batching based on actual size
static constexpr size_t MAX_PACKET_SIZE = 1390; // MTU limit for API messages
static constexpr size_t NEXT_SERVICE_BUFFER = 400; // Reserve space for next service
// Keep running total of actual message size
size_t current_size = 0;
api::ProtoSize size;
resp.calculate_size(size);
current_size = size.get_size();
ESP_LOGD(TAG, "[%d] [%s] Starting batch with base size: %d", this->connection_index_, this->address_str().c_str(),
current_size);
while (this->send_service_ < this->service_count_) {
esp_gattc_service_elem_t service_result;
@@ -257,7 +258,10 @@ void BluetoothConnection::send_service_for_discovery_() {
} // end if (total_char_count > 0)
// Calculate the actual size of just this service
current_size += get_service_size(service_resp) + 1; // +1 for field tag
size_t service_size = get_service_size(service_resp) + 1; // +1 for field tag
current_size += service_size;
ESP_LOGD(TAG, "[%d] [%s] Service %d size: %d, total size now: %d", this->connection_index_,
this->address_str().c_str(), this->send_service_ - 1, service_size, current_size);
// Check if we've exceeded the limit (worst case scenario)
// Our estimation above should have caught this, but if we're here it means
@@ -278,15 +282,11 @@ void BluetoothConnection::send_service_for_discovery_() {
// Successfully added this service, increment counter
this->send_service_++;
// Check if we have room for another service
if (current_size > MAX_PACKET_SIZE - NEXT_SERVICE_BUFFER) {
// Getting close to limit, send this batch
break;
}
}
// Send the message with dynamically batched services
ESP_LOGD(TAG, "[%d] [%s] Sending batch with %d services, total size %d", this->connection_index_,
this->address_str().c_str(), resp.services.size(), current_size);
api_conn->send_message(resp, api::BluetoothGATTGetServicesResponse::MESSAGE_TYPE);
}