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1-Demo/IDF-DEMO/xiaozhi-esp32/main/protocols/websocket_protocol.h

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+#ifndef _WEBSOCKET_PROTOCOL_H_
+#define _WEBSOCKET_PROTOCOL_H_
+
+
+#include "protocol.h"
+
+#include <web_socket.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/event_groups.h>
+
+#define WEBSOCKET_PROTOCOL_SERVER_HELLO_EVENT (1 << 0)
+
+class WebsocketProtocol : public Protocol {
+public:
+    WebsocketProtocol();
+    ~WebsocketProtocol();
+
+    bool Start() override;
+    bool SendAudio(const AudioStreamPacket& packet) override;
+    bool OpenAudioChannel() override;
+    void CloseAudioChannel() override;
+    bool IsAudioChannelOpened() const override;
+
+private:
+    EventGroupHandle_t event_group_handle_;
+    WebSocket* websocket_ = nullptr;
+    int version_ = 1;
+
+    void ParseServerHello(const cJSON* root);
+    bool SendText(const std::string& text) override;
+    std::string GetHelloMessage();
+};
+
+#endif