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Directory : /mnt/blockstorage/vrlms_old/

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Current File : /mnt/blockstorage/vrlms_old/index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Teacher Dashboard</title>
</head>
<body>
    <style>
        #videoElement{
            display: block;
            width: 900px;
            height: 602px
        }
    </style>
    <h1>Teacher Dashboard</h1>
    <button onclick="sendButtonClick('SceneA')">Load Level A</button>
    <button onclick="sendButtonClick('SceneB')">Load Level B</button>
    <button onclick="Pause()">Pause</button>
        <img id="videoElement"></src>
    <script>
        const socket = new WebSocket('ws://training.contentsda.kr:3300');

        // Connection opened
        socket.addEventListener('open', (event) => {
        console.log('WebSocket connection opened');
        });

        // Listen for messages from the server
        socket.addEventListener('message', (event) => {
        //   console.log('Message from server:', event.data);
        // Handle messages from the server as needed
        });

        // Listen for errors
        socket.addEventListener('error', (event) => {
        console.error('WebSocket encountered an error:', event);
        });

        // Listen for the connection to close
        socket.addEventListener('close', (event) => {
        console.log('WebSocket connection closed:', event);
        });

        function sendButtonClick(levelName) {
            const classroomId = '123'; // Replace with the actual classroom ID
            // Send a button click event to the WebSocket server
            socket.send(JSON.stringify({ type: 'buttonClicked', payload: { classroomId, levelName } }));
        }

        function Pause() {
            socket.send(JSON.stringify({ type: 'pause', payload: { } }));
        }

        const videoElement = document.getElementById('videoElement');

        socket.onmessage = (event) => {
            const imageData = JSON.parse(event.data).data;
            // Convert the array of bytes to Uint8Array
            const uint8Array = new Uint8Array(imageData);

            // Convert Uint8Array to Blob
            const blob = new Blob([uint8Array], { type: 'image/jpeg' });

            // Create a data URL from the Blob
            const dataUrl = URL.createObjectURL(blob);

            // Display the image using an <img> element
            const imageElement = document.getElementById('videoElement');
            imageElement.src = dataUrl;
        };


    </script>
    </body>
</html>

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