--- /dev/null
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+ <title>PiThrottler Configuration</title>
+ <script>
+ const presets = {
+ Unlimited: {
+ label: "Unlimited",
+ latency: 0,
+ ploss: 0,
+ throughput: 0
+ },
+ F4G: {
+ label: "4G Fast",
+ latency: 30,
+ ploss: 0,
+ throughput: 20000
+ },
+ S4G: {
+ label: "4G Slow",
+ latency: 150,
+ ploss: 1,
+ throughput: 10000
+ },
+ F3G: {
+ label: "3G Fast",
+ latency: 110,
+ ploss: 0,
+ throughput: 5000
+ },
+ S3G: {
+ label: "3G Slow",
+ latency: 200,
+ ploss: 3,
+ throughput: 1000
+ }
+ };
+ function saveSettings() {
+ fetch("/set?latency=" + document.getElementById("latencyRange").value + "&ploss=" + document.getElementById("plossRange").value + "&throughput=" + document.getElementById("tpRange").value);
+ }
+
+ function loadPresets() {
+ let innerhtml = "";
+ for (type in presets) {
+ innerhtml += "<option value='" + type + "'>" + presets[type].label + "</option>";
+ }
+ document.getElementById("preset").innerHTML = innerhtml;
+ }
+
+ function changePreset() {
+ var preset = document.getElementById("preset").value;
+ document.getElementById("latencyRange").value = presets[preset].latency;
+ document.getElementById("latency").innerHTML = presets[preset].latency;
+ document.getElementById("plossRange").value = presets[preset].ploss;
+ document.getElementById("ploss").innerHTML = presets[preset].ploss;
+ document.getElementById("tpRange").value = presets[preset].throughput;
+ document.getElementById("tp").innerHTML = presets[preset].throughput;
+ }
+ </script>
+</head>
+<body onload="loadPresets();">
+ <select id="preset" onchange="changePreset();">
+
+ </select>
+<div class="slidecontainer">
+ Latency<br />
+ <input type="range" min="0" max="1000" style="width:400px;" value="0" class="slider" id="latencyRange" oninput="document.getElementById('latency').innerHTML = this.value;"> <span id="latency">0</span> ms
+</div>
+<div class="slidecontainer">
+ Packet Loss<br />
+ <input type="range" min="0" max="95" style="width:400px;" value="0" class="slider" id="plossRange" oninput="document.getElementById('ploss').innerHTML = this.value;"> <span id="ploss">0</span> %
+</div>
+<div class="slidecontainer">
+ Throughput Limitation (0 for unlimited)<br />
+ <input type="range" min="0" max="20000" style="width:400px;" value="0" class="slider" id="tpRange" oninput="document.getElementById('tp').innerHTML = this.value;"> <span id="tp">0</span> kb/s
+</div>
+<button onclick="saveSettings();">Save Settings</button>
+</body>
+</html>
\ No newline at end of file
--- /dev/null
+const http = require('http');
+const serveStatic = require('serve-static');
+const finalhandler = require('finalhandler');
+const { exec } = require("node:child_process");
+
+var serve = serveStatic("./html");
+
+const app = (req, res) => {
+ console.log(new Date(), req.url);
+
+ if (req.url.startsWith("/set")) {
+ let searchParams = new URL("http://localhost:2121" + req.url).searchParams;
+
+ var latency = searchParams.get("latency");
+ var ploss = searchParams.get("ploss");
+ var throughput = searchParams.get("throughput");
+
+ if (!latency) {
+ latency = 0;
+ }
+ if (!ploss) {
+ ploss = 0;
+ }
+ if (!throughput) {
+ throughput = 0;
+ }
+
+ res.statusCode = 200;
+ res.setHeader('Content-Type', 'text/plain');
+ res.setHeader('Access-Control-Allow-Origin', '*');
+ res.end("Setting parameters, latency: " + latency + " ms, packet loss: " + ploss + "%, Throughput: " + throughput + " kbit/s");
+
+ exec("sudo tc qdisc del dev wlan0 root");
+ exec("sudo tc qdisc del dev wlan0 root");
+
+ if (latency > 0 || ploss > 0) {
+ let command = "sudo tc qdisc add dev wlan0 root handle 30: netem";
+
+ if (latency > 0) {
+ command += " delay " + latency + "ms";
+ }
+ if (ploss > 0) {
+ command += " loss " + ploss + "%";
+ }
+
+ exec(command);
+ console.log("Setting lattency and packet loss");
+ }
+
+ if (throughput > 0) {
+ let command = "sudo tc qdisc add dev wlan0 ";
+
+ if (latency > 0 || ploss > 0) {
+ command += "parent 30:1";
+ } else {
+ command += "root";
+ }
+
+ command += " tbf rate " + throughput + "kbit burst 32kbit latency 500ms";
+ exec(command);
+ console.log("Setting bandwidth limitation");
+ }
+
+ return;
+ }
+
+ var done = finalhandler(req, res);
+ serve(req, res, done);
+};
+
+const server = http.createServer(app)
+server.listen(2121, "0.0.0.0", () => {
+});
projects / pithrottler.git / commitdiff