[Web] Move polling thread to EditorHTTPServer

platform/web/export/editor_http_server.cpp

@@ -30,6 +30,17 @@
 
 #include "editor_http_server.h"
 
+void EditorHTTPServer::_server_thread_poll(void *data) {
+	EditorHTTPServer *web_server = static_cast<EditorHTTPServer *>(data);
+	while (!web_server->server_quit.get()) {
+		OS::get_singleton()->delay_usec(6900);
+		{
+			MutexLock lock(web_server->server_lock);
+			web_server->_poll();
+		}
+	}
+}
+
 void EditorHTTPServer::_clear_client() {
 	peer = Ref<StreamPeer>();
 	tls = Ref<StreamPeerTLS>();
@@ -117,37 +128,7 @@ void EditorHTTPServer::_send_response() {
 	}
 }
 
-void EditorHTTPServer::stop() {
-	server->stop();
-	_clear_client();
-}
-
-Error EditorHTTPServer::listen(int p_port, IPAddress p_address, bool p_use_tls, String p_tls_key, String p_tls_cert) {
-	use_tls = p_use_tls;
-	if (use_tls) {
-		Ref<Crypto> crypto = Crypto::create();
-		if (crypto.is_null()) {
-			return ERR_UNAVAILABLE;
-		}
-		if (!p_tls_key.is_empty() && !p_tls_cert.is_empty()) {
-			key = Ref<CryptoKey>(CryptoKey::create());
-			Error err = key->load(p_tls_key);
-			ERR_FAIL_COND_V(err != OK, err);
-			cert = Ref<X509Certificate>(X509Certificate::create());
-			err = cert->load(p_tls_cert);
-			ERR_FAIL_COND_V(err != OK, err);
-		} else {
-			_set_internal_certs(crypto);
-		}
-	}
-	return server->listen(p_port, p_address);
-}
-
-bool EditorHTTPServer::is_listening() const {
-	return server->is_listening();
-}
-
-void EditorHTTPServer::poll() {
+void EditorHTTPServer::_poll() {
 	if (!server->is_listening()) {
 		return;
 	}
@@ -211,6 +192,52 @@ void EditorHTTPServer::poll() {
 	}
 }
 
+void EditorHTTPServer::stop() {
+	server_quit.set(true);
+	if (server_thread.is_started()) {
+		server_thread.wait_to_finish();
+	}
+	if (server.is_valid()) {
+		server->stop();
+	}
+	_clear_client();
+}
+
+Error EditorHTTPServer::listen(int p_port, IPAddress p_address, bool p_use_tls, String p_tls_key, String p_tls_cert) {
+	MutexLock lock(server_lock);
+	if (server->is_listening()) {
+		return ERR_ALREADY_IN_USE;
+	}
+	use_tls = p_use_tls;
+	if (use_tls) {
+		Ref<Crypto> crypto = Crypto::create();
+		if (crypto.is_null()) {
+			return ERR_UNAVAILABLE;
+		}
+		if (!p_tls_key.is_empty() && !p_tls_cert.is_empty()) {
+			key = Ref<CryptoKey>(CryptoKey::create());
+			Error err = key->load(p_tls_key);
+			ERR_FAIL_COND_V(err != OK, err);
+			cert = Ref<X509Certificate>(X509Certificate::create());
+			err = cert->load(p_tls_cert);
+			ERR_FAIL_COND_V(err != OK, err);
+		} else {
+			_set_internal_certs(crypto);
+		}
+	}
+	Error err = server->listen(p_port, p_address);
+	if (err == OK) {
+		server_quit.set(false);
+		server_thread.start(_server_thread_poll, this);
+	}
+	return err;
+}
+
+bool EditorHTTPServer::is_listening() const {
+	MutexLock lock(server_lock);
+	return server->is_listening();
+}
+
 EditorHTTPServer::EditorHTTPServer() {
 	mimes["html"] = "text/html";
 	mimes["js"] = "application/javascript";
@@ -222,3 +249,7 @@ EditorHTTPServer::EditorHTTPServer() {
 	server.instantiate();
 	stop();
 }
+
+EditorHTTPServer::~EditorHTTPServer() {
+	stop();
+}

platform/web/export/editor_http_server.h

@@ -51,17 +51,24 @@ private:
 	uint8_t req_buf[4096];
 	int req_pos = 0;
 
+	SafeNumeric<bool> server_quit;
+	Mutex server_lock;
+	Thread server_thread;
+
 	void _clear_client();
 	void _set_internal_certs(Ref<Crypto> p_crypto);
 	void _send_response();
+	void _poll();
+
+	static void _server_thread_poll(void *data);
 
 public:
 	EditorHTTPServer();
+	~EditorHTTPServer();
 
 	void stop();
 	Error listen(int p_port, IPAddress p_address, bool p_use_tls, String p_tls_key, String p_tls_cert);
 	bool is_listening() const;
-	void poll();
 };
 
 #endif // WEB_EDITOR_HTTP_SERVER_H

platform/web/export/export_plugin.cpp

@@ -584,7 +584,6 @@ bool EditorExportPlatformWeb::poll_export() {
 	menu_options = preset.is_valid();
 	if (server->is_listening()) {
 		if (menu_options == 0) {
-			MutexLock lock(server_lock);
 			server->stop();
 		} else {
 			menu_options += 1;
@@ -603,7 +602,6 @@ int EditorExportPlatformWeb::get_options_count() const {
 
 Error EditorExportPlatformWeb::run(const Ref<EditorExportPreset> &p_preset, int p_option, int p_debug_flags) {
 	if (p_option == 1) {
-		MutexLock lock(server_lock);
 		server->stop();
 		return OK;
 	}
@@ -653,12 +651,8 @@ Error EditorExportPlatformWeb::run(const Ref<EditorExportPreset> &p_preset, int
 	const String tls_cert = EDITOR_GET("export/web/tls_certificate");
 
 	// Restart server.
-	{
-		MutexLock lock(server_lock);
-
 	server->stop();
 	err = server->listen(bind_port, bind_ip, use_tls, tls_key, tls_cert);
-	}
 	if (err != OK) {
 		add_message(EXPORT_MESSAGE_ERROR, TTR("Run"), vformat(TTR("Error starting HTTP server: %d."), err));
 		return err;
@@ -674,21 +668,9 @@ Ref<Texture2D> EditorExportPlatformWeb::get_run_icon() const {
 	return run_icon;
 }
 
-void EditorExportPlatformWeb::_server_thread_poll(void *data) {
-	EditorExportPlatformWeb *ej = static_cast<EditorExportPlatformWeb *>(data);
-	while (!ej->server_quit.get()) {
-		OS::get_singleton()->delay_usec(6900);
-		{
-			MutexLock lock(ej->server_lock);
-			ej->server->poll();
-		}
-	}
-}
-
 EditorExportPlatformWeb::EditorExportPlatformWeb() {
 	if (EditorNode::get_singleton()) {
 		server.instantiate();
-		server_thread.start(_server_thread_poll, this);
 
 #ifdef MODULE_SVG_ENABLED
 		Ref<Image> img = memnew(Image);
@@ -711,11 +693,4 @@ EditorExportPlatformWeb::EditorExportPlatformWeb() {
 }
 
 EditorExportPlatformWeb::~EditorExportPlatformWeb() {
-	if (server.is_valid()) {
-		server->stop();
-	}
-	server_quit.set(true);
-	if (server_thread.is_started()) {
-		server_thread.wait_to_finish();
-	}
 }

platform/web/export/export_plugin.h

@@ -52,9 +52,6 @@ class EditorExportPlatformWeb : public EditorExportPlatform {
 	int menu_options = 0;
 
 	Ref<EditorHTTPServer> server;
-	SafeNumeric<bool> server_quit;
-	Mutex server_lock;
-	Thread server_thread;
 
 	String _get_template_name(bool p_extension, bool p_thread_support, bool p_debug) const {
 		String name = "web";
@@ -99,8 +96,6 @@ class EditorExportPlatformWeb : public EditorExportPlatform {
 	Error _build_pwa(const Ref<EditorExportPreset> &p_preset, const String p_path, const Vector<SharedObject> &p_shared_objects);
 	Error _write_or_error(const uint8_t *p_content, int p_len, String p_path);
 
-	static void _server_thread_poll(void *data);
-
 public:
 	virtual void get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) const override;