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lib/PsychicHttp/src_old/PsychicEventSource.h

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+/*
+  Asynchronous WebServer library for Espressif MCUs
+
+  Copyright (c) 2016 Hristo Gochkov. All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#ifndef PsychicEventSource_H_
+#define PsychicEventSource_H_
+
+#include "PsychicCore.h"
+#include "PsychicClient.h"
+#include "PsychicHandler.h"
+#include "PsychicResponse.h"
+
+class PsychicEventSource;
+class PsychicEventSourceResponse;
+class PsychicEventSourceClient;
+class PsychicResponse;
+
+typedef std::function<void(PsychicEventSourceClient * client)> PsychicEventSourceClientCallback;
+
+class PsychicEventSourceClient : public PsychicClient {
+    friend PsychicEventSource;
+
+  protected:
+    uint32_t _lastId;
+
+  public:
+    PsychicEventSourceClient(PsychicClient * client);
+    ~PsychicEventSourceClient();
+
+    uint32_t lastId() const {
+        return _lastId;
+    }
+    void send(const char * message, const char * event = NULL, uint32_t id = 0, uint32_t reconnect = 0);
+    void sendEvent(const char * event);
+};
+
+class PsychicEventSource : public PsychicHandler {
+  private:
+    PsychicEventSourceClientCallback _onOpen;
+    PsychicEventSourceClientCallback _onClose;
+
+  public:
+    PsychicEventSource();
+    ~PsychicEventSource();
+
+    PsychicEventSourceClient * getClient(int socket) override;
+    PsychicEventSourceClient * getClient(PsychicClient * client) override;
+    void                       addClient(PsychicClient * client) override;
+    void                       removeClient(PsychicClient * client) override;
+    void                       openCallback(PsychicClient * client) override;
+    void                       closeCallback(PsychicClient * client) override;
+
+    PsychicEventSource * onOpen(PsychicEventSourceClientCallback fn);
+    PsychicEventSource * onClose(PsychicEventSourceClientCallback fn);
+
+    esp_err_t handleRequest(PsychicRequest * request) override final;
+
+    void send(const char * message, const char * event = NULL, uint32_t id = 0, uint32_t reconnect = 0);
+};
+
+class PsychicEventSourceResponse : public PsychicResponse {
+  public:
+    PsychicEventSourceResponse(PsychicRequest * request);
+    virtual esp_err_t send() override;
+};
+
+String generateEventMessage(const char * message, const char * event, uint32_t id, uint32_t reconnect);
+
+#endif /* PsychicEventSource_H_ */