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mirror of https://github.com/esphome/esphome.git synced 2025-09-26 23:22:21 +01:00

Optimize API connection loop performance (#9184)

This commit is contained in:
J. Nick Koston
2025-06-26 03:47:41 +02:00
committed by GitHub
parent e017250445
commit 15ef93ccc9
7 changed files with 146 additions and 95 deletions

View File

@@ -47,6 +47,11 @@ void APIServer::setup() {
}
#endif
// Schedule reboot if no clients connect within timeout
if (this->reboot_timeout_ != 0) {
this->schedule_reboot_timeout_();
}
this->socket_ = socket::socket_ip_loop_monitored(SOCK_STREAM, 0); // monitored for incoming connections
if (this->socket_ == nullptr) {
ESP_LOGW(TAG, "Could not create socket");
@@ -106,8 +111,6 @@ void APIServer::setup() {
}
#endif
this->last_connected_ = App.get_loop_component_start_time();
#ifdef USE_ESP32_CAMERA
if (esp32_camera::global_esp32_camera != nullptr && !esp32_camera::global_esp32_camera->is_internal()) {
esp32_camera::global_esp32_camera->add_image_callback(
@@ -121,6 +124,16 @@ void APIServer::setup() {
#endif
}
void APIServer::schedule_reboot_timeout_() {
this->status_set_warning();
this->set_timeout("api_reboot", this->reboot_timeout_, []() {
if (!global_api_server->is_connected()) {
ESP_LOGE(TAG, "No clients; rebooting");
App.reboot();
}
});
}
void APIServer::loop() {
// Accept new clients only if the socket exists and has incoming connections
if (this->socket_ && this->socket_->ready()) {
@@ -130,51 +143,61 @@ void APIServer::loop() {
auto sock = this->socket_->accept_loop_monitored((struct sockaddr *) &source_addr, &addr_len);
if (!sock)
break;
ESP_LOGD(TAG, "Accepted %s", sock->getpeername().c_str());
ESP_LOGD(TAG, "Accept %s", sock->getpeername().c_str());
auto *conn = new APIConnection(std::move(sock), this);
this->clients_.emplace_back(conn);
conn->start();
// Clear warning status and cancel reboot when first client connects
if (this->clients_.size() == 1 && this->reboot_timeout_ != 0) {
this->status_clear_warning();
this->cancel_timeout("api_reboot");
}
}
}
if (this->clients_.empty()) {
return;
}
// Process clients and remove disconnected ones in a single pass
if (!this->clients_.empty()) {
size_t client_index = 0;
while (client_index < this->clients_.size()) {
auto &client = this->clients_[client_index];
if (client->remove_) {
// Handle disconnection
this->client_disconnected_trigger_->trigger(client->client_info_, client->client_peername_);
ESP_LOGV(TAG, "Removing connection to %s", client->client_info_.c_str());
// Swap with the last element and pop (avoids expensive vector shifts)
if (client_index < this->clients_.size() - 1) {
std::swap(this->clients_[client_index], this->clients_.back());
}
this->clients_.pop_back();
// Don't increment client_index since we need to process the swapped element
} else {
// Process active client
client->loop();
client_index++; // Move to next client
}
// Check network connectivity once for all clients
if (!network::is_connected()) {
// Network is down - disconnect all clients
for (auto &client : this->clients_) {
client->on_fatal_error();
ESP_LOGW(TAG, "%s: Network down; disconnect", client->get_client_combined_info().c_str());
}
// Continue to process and clean up the clients below
}
if (this->reboot_timeout_ != 0) {
const uint32_t now = App.get_loop_component_start_time();
if (!this->is_connected()) {
if (now - this->last_connected_ > this->reboot_timeout_) {
ESP_LOGE(TAG, "No client connected; rebooting");
App.reboot();
}
this->status_set_warning();
} else {
this->last_connected_ = now;
this->status_clear_warning();
size_t client_index = 0;
while (client_index < this->clients_.size()) {
auto &client = this->clients_[client_index];
if (!client->remove_) {
// Common case: process active client
client->loop();
client_index++;
continue;
}
// Rare case: handle disconnection
this->client_disconnected_trigger_->trigger(client->client_info_, client->client_peername_);
ESP_LOGV(TAG, "Remove connection %s", client->client_info_.c_str());
// Swap with the last element and pop (avoids expensive vector shifts)
if (client_index < this->clients_.size() - 1) {
std::swap(this->clients_[client_index], this->clients_.back());
}
this->clients_.pop_back();
// Schedule reboot when last client disconnects
if (this->clients_.empty() && this->reboot_timeout_ != 0) {
this->schedule_reboot_timeout_();
}
// Don't increment client_index since we need to process the swapped element
}
}