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https://github.com/esphome/esphome.git
synced 2024-11-25 16:38:16 +01:00
Fix race condition in web_server scheduler on ESP32 (#3951)
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parent
ff4fd497c4
commit
50e8e92f0b
2 changed files with 64 additions and 20 deletions
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@ -83,6 +83,13 @@ UrlMatch match_url(const std::string &url, bool only_domain = false) {
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return match;
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}
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WebServer::WebServer(web_server_base::WebServerBase *base)
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: base_(base), entities_iterator_(ListEntitiesIterator(this)) {
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#ifdef USE_ESP32
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to_schedule_lock_ = xSemaphoreCreateMutex();
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#endif
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}
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void WebServer::set_css_url(const char *css_url) { this->css_url_ = css_url; }
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void WebServer::set_css_include(const char *css_include) { this->css_include_ = css_include; }
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void WebServer::set_js_url(const char *js_url) { this->js_url_ = js_url; }
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@ -120,7 +127,25 @@ void WebServer::setup() {
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this->set_interval(10000, [this]() { this->events_.send("", "ping", millis(), 30000); });
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}
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void WebServer::loop() { this->entities_iterator_.advance(); }
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void WebServer::loop() {
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#ifdef USE_ESP32
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if (xSemaphoreTake(this->to_schedule_lock_, 0L)) {
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std::function<void()> fn;
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if (!to_schedule_.empty()) {
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// scheduler execute things out of order which may lead to incorrect state
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// this->defer(std::move(to_schedule_.front()));
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// let's execute it directly from the loop
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fn = std::move(to_schedule_.front());
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to_schedule_.pop_front();
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}
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xSemaphoreGive(this->to_schedule_lock_);
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if (fn) {
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fn();
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}
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}
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#endif
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this->entities_iterator_.advance();
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}
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void WebServer::dump_config() {
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ESP_LOGCONFIG(TAG, "Web Server:");
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ESP_LOGCONFIG(TAG, " Address: %s:%u", network::get_use_address().c_str(), this->base_->get_port());
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@ -413,13 +438,13 @@ void WebServer::handle_switch_request(AsyncWebServerRequest *request, const UrlM
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std::string data = this->switch_json(obj, obj->state, DETAIL_STATE);
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request->send(200, "application/json", data.c_str());
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} else if (match.method == "toggle") {
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this->defer([obj]() { obj->toggle(); });
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this->schedule_([obj]() { obj->toggle(); });
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request->send(200);
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} else if (match.method == "turn_on") {
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this->defer([obj]() { obj->turn_on(); });
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this->schedule_([obj]() { obj->turn_on(); });
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request->send(200);
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} else if (match.method == "turn_off") {
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this->defer([obj]() { obj->turn_off(); });
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this->schedule_([obj]() { obj->turn_off(); });
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request->send(200);
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} else {
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request->send(404);
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@ -441,7 +466,7 @@ void WebServer::handle_button_request(AsyncWebServerRequest *request, const UrlM
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if (obj->get_object_id() != match.id)
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continue;
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if (request->method() == HTTP_POST && match.method == "press") {
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this->defer([obj]() { obj->press(); });
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this->schedule_([obj]() { obj->press(); });
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request->send(200);
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return;
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} else {
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@ -497,7 +522,7 @@ void WebServer::handle_fan_request(AsyncWebServerRequest *request, const UrlMatc
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std::string data = this->fan_json(obj, DETAIL_STATE);
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request->send(200, "application/json", data.c_str());
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} else if (match.method == "toggle") {
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this->defer([obj]() { obj->toggle().perform(); });
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this->schedule_([obj]() { obj->toggle().perform(); });
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request->send(200);
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} else if (match.method == "turn_on") {
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auto call = obj->turn_on();
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@ -531,10 +556,10 @@ void WebServer::handle_fan_request(AsyncWebServerRequest *request, const UrlMatc
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return;
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}
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}
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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} else if (match.method == "turn_off") {
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this->defer([obj]() { obj->turn_off().perform(); });
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this->schedule_([obj]() { obj->turn_off().perform(); });
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request->send(200);
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} else {
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request->send(404);
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@ -558,7 +583,7 @@ void WebServer::handle_light_request(AsyncWebServerRequest *request, const UrlMa
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std::string data = this->light_json(obj, DETAIL_STATE);
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request->send(200, "application/json", data.c_str());
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} else if (match.method == "toggle") {
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this->defer([obj]() { obj->toggle().perform(); });
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this->schedule_([obj]() { obj->toggle().perform(); });
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request->send(200);
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} else if (match.method == "turn_on") {
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auto call = obj->turn_on();
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@ -590,7 +615,7 @@ void WebServer::handle_light_request(AsyncWebServerRequest *request, const UrlMa
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call.set_effect(effect);
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}
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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} else if (match.method == "turn_off") {
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auto call = obj->turn_off();
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@ -598,7 +623,7 @@ void WebServer::handle_light_request(AsyncWebServerRequest *request, const UrlMa
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auto length = (uint32_t) request->getParam("transition")->value().toFloat() * 1000;
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call.set_transition_length(length);
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}
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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} else {
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request->send(404);
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@ -663,7 +688,7 @@ void WebServer::handle_cover_request(AsyncWebServerRequest *request, const UrlMa
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if (request->hasParam("tilt"))
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call.set_tilt(request->getParam("tilt")->value().toFloat());
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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return;
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}
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@ -708,7 +733,7 @@ void WebServer::handle_number_request(AsyncWebServerRequest *request, const UrlM
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call.set_value(*value_f);
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}
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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return;
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}
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@ -765,7 +790,7 @@ void WebServer::handle_select_request(AsyncWebServerRequest *request, const UrlM
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call.set_option(option.c_str()); // NOLINT(clang-diagnostic-deprecated-declarations)
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}
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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return;
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}
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@ -833,7 +858,7 @@ void WebServer::handle_climate_request(AsyncWebServerRequest *request, const Url
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call.set_target_temperature(*value_f);
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}
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this->defer([call]() mutable { call.perform(); });
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this->schedule_([call]() mutable { call.perform(); });
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request->send(200);
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return;
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}
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@ -949,13 +974,13 @@ void WebServer::handle_lock_request(AsyncWebServerRequest *request, const UrlMat
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std::string data = this->lock_json(obj, obj->state, DETAIL_STATE);
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request->send(200, "application/json", data.c_str());
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} else if (match.method == "lock") {
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this->defer([obj]() { obj->lock(); });
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this->schedule_([obj]() { obj->lock(); });
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request->send(200);
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} else if (match.method == "unlock") {
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this->defer([obj]() { obj->unlock(); });
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this->schedule_([obj]() { obj->unlock(); });
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request->send(200);
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} else if (match.method == "open") {
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this->defer([obj]() { obj->open(); });
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this->schedule_([obj]() { obj->open(); });
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request->send(200);
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} else {
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request->send(404);
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@ -1154,6 +1179,16 @@ void WebServer::handleRequest(AsyncWebServerRequest *request) {
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bool WebServer::isRequestHandlerTrivial() { return false; }
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void WebServer::schedule_(std::function<void()> &&f) {
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#ifdef USE_ESP32
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xSemaphoreTake(this->to_schedule_lock_, portMAX_DELAY);
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to_schedule_.push_back(std::move(f));
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xSemaphoreGive(this->to_schedule_lock_);
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#else
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this->defer(std::move(f));
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#endif
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}
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} // namespace web_server
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} // namespace esphome
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@ -9,7 +9,11 @@
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#include "esphome/core/controller.h"
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#include <vector>
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#ifdef USE_ESP32
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#include <deque>
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#include <freertos/FreeRTOS.h>
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#include <freertos/semphr.h>
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#endif
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namespace esphome {
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namespace web_server {
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@ -34,7 +38,7 @@ enum JsonDetail { DETAIL_ALL, DETAIL_STATE };
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*/
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class WebServer : public Controller, public Component, public AsyncWebHandler {
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public:
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WebServer(web_server_base::WebServerBase *base) : base_(base), entities_iterator_(ListEntitiesIterator(this)) {}
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WebServer(web_server_base::WebServerBase *base);
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/** Set the URL to the CSS <link> that's sent to each client. Defaults to
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* https://esphome.io/_static/webserver-v1.min.css
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@ -220,6 +224,7 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
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bool isRequestHandlerTrivial() override;
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protected:
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void schedule_(std::function<void()> &&f);
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friend ListEntitiesIterator;
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web_server_base::WebServerBase *base_;
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AsyncEventSource events_{"/events"};
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@ -230,6 +235,10 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
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const char *js_include_{nullptr};
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bool include_internal_{false};
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bool allow_ota_{true};
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#ifdef USE_ESP32
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std::deque<std::function<void()>> to_schedule_;
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SemaphoreHandle_t to_schedule_lock_;
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#endif
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};
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} // namespace web_server
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