88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
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/*
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Asynchronous WebServer library for Espressif MCUs
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Copyright (c) 2016 Hristo Gochkov. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef ASYNCEVENTSOURCE_H_
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#define ASYNCEVENTSOURCE_H_
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#include <Arduino.h>
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#include <ESPAsyncTCP.h>
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#include <ESPAsyncWebServer.h>
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class AsyncEventSource;
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class AsyncEventSourceResponse;
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class AsyncEventSourceClient;
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class AsyncEventSourceClient {
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private:
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AsyncClient *_client;
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AsyncEventSource *_server;
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public:
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AsyncEventSourceClient * next;
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AsyncEventSourceClient(AsyncWebServerRequest *request, AsyncEventSource *server);
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~AsyncEventSourceClient();
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AsyncClient* client(){ return _client; }
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void close();
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void send(const char * message, size_t len);
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bool connected(){ return (_client != NULL) && _client->connected(); }
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//system callbacks (do not call)
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//void _onAck(size_t len, uint32_t time);
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//void _onError(int8_t);
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//void _onPoll();
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void _onTimeout(uint32_t time);
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void _onDisconnect();
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};
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class AsyncEventSource: public AsyncWebHandler {
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private:
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String _url;
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AsyncEventSourceClient * _clients;
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uint32_t _cNextId;
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public:
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AsyncEventSource(String url);
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~AsyncEventSource();
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const char * url(){ return _url.c_str(); }
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void close();
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void send(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0);
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//system callbacks (do not call)
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void _addClient(AsyncEventSourceClient * client);
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void _handleDisconnect(AsyncEventSourceClient * client);
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bool canHandle(AsyncWebServerRequest *request);
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void handleRequest(AsyncWebServerRequest *request);
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};
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class AsyncEventSourceResponse: public AsyncWebServerResponse {
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private:
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String _content;
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AsyncEventSource *_server;
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public:
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AsyncEventSourceResponse(AsyncEventSource *server);
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void _respond(AsyncWebServerRequest *request);
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size_t _ack(AsyncWebServerRequest *request, size_t len, uint32_t time);
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bool _sourceValid(){ return true; }
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};
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#endif /* ASYNCEVENTSOURCE_H_ */
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