const fs = require("fs");

const targetIP = "192.168.4.13";

const networkInterface = "wlan0";

let previousRx = 0;
let previousTx = 0;

function getNetworkStats() {
    try {
        const data = fs.readFileSync("/proc/net/dev", "utf8");
        const lines = data.split("\n");

        const ifaceLine = lines.find(line => line.includes(networkInterface));
        if (!ifaceLine) {
            console.error(`Schnittstelle ${networkInterface} nicht gefunden.`);
            return;
        }
        const stats = ifaceLine.trim().split(/\s+/);
        const rxBytes = parseInt(stats[1], 10);
        const txBytes = parseInt(stats[9], 10);
        const rxDelta = previousRx ? rxBytes - previousRx : 0;
        const txDelta = previousTx ? txBytes - previousTx : 0;
        previousRx = rxBytes;
        previousTx = txBytes;
        console.log(`[${new Date().toISOString()}] RX: ${rxDelta} Bytes, TX: ${txDelta} Bytes`);
    } catch (err) {
        console.error("Fehler beim Abrufen der Netzwerkdaten:", err.message);
    }
}

setInterval(getNetworkStats, 1000);