From d457917b9161c173f93b4cb868c78bd6014b3ca2 Mon Sep 17 00:00:00 2001
From: DJh2o2 <djh2o2@web.de>
Date: Wed, 3 Aug 2022 09:20:56 +0200
Subject: [PATCH] add php

---
 bandwidth.php | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 bandwidth.php
diff --git a/bandwidth.php b/bandwidth.php
new file mode 100644
index 0000000..ff4b2c4
--- /dev/null
+++ b/bandwidth.php
@@ -0,0 +1,101 @@
+<html lang="en"> 
+<head> 
+<meta charset="utf-8" /> 
+<title>Bandwidth Monitor - download speeds in last 24 hours</title>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/Chartajs/2.6.0/Chart.bundle.min.js"></script>
+<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
+</head>
+<body>
+<h3 style="font-family: 'Roboto', sans-serif; text-align: center">
+Download speeds - last 24 hours
+</h3>
+<canvas id="myChart" width="1100px" height="500px"></canvas>
+<script>
+	var bandwidth_data = <?php
+	// generate json formatted data from sqlite db
+	// Specify sqlite database name and path
+	// apache server has setting for PHP open_basedir to include /usr/local/etc
+	class MyDB extends SQLite3 {
+		function __construct() {
+			$this->open('bandwidth.db');
+		}
+	}
+	$db = new MyDB();
+	if(!$db) {
+		echo $db->lastErrorMsg();
+	} else {
+		echo "";
+	}
+	// select the most recent 24 entries to display the last 24 hours of test results (3 servers are tested per hour)
+	$sql =<<<EOF
+	SELECT strftime("%H:%M", times) || " " || strftime("%d/%m/%Y", times) AS timestamp, sponsor, servername, download
+	FROM bandwidth ORDER BY times LIMIT 24 OFFSET (SELECT COUNT(*)/3 FROM bandwidth)-24;
+	EOF;
+	$ret = $db->query($sql);
+	if(!$ret){
+		echo $db->lastErrorMsg();
+	} else {
+		while($row = $ret->fetchArray(SQLITE3_ASSOC) ) {
+			$results[] = $row;
+		}
+	$ukdata = json_encode($results);
+	}
+	echo $ukdata;
+	$db->close();
+	?>
+	;
+	// extract the fields we want to chart from the JSON data
+	var bwlabels = [], bwdata = [];
+	var mbps, bvalue;
+	for (var i = 0; i < bandwidth_data.length ; i++){
+		bwlabels.push(bandwidth_data[i].timestamp);
+		// convert bps to Mbps rounded with 3 decimal places in local format
+		mbps = Math.round(bandwidth_data[i].download/1000).toFixed(3)/1000;
+		bvalue = mbps.toLocaleString(undefined, { minimumFractionDigits: 3 });
+		bwdata.push(bvalue);
+	}
+	var bar_color = 'rgba(0, 128, 255, 0.9)';
+	var ctx = document.getElementById("myChart").getContext('2d');
+	var myChart = new Chart(ctx, {
+		type: 'bar',
+		data: {
+			labels: bwlabels,
+			datasets: [{
+				label: 'Mbps download',
+				data: bwdata,
+				backgroundColor: bar_color,
+				borderColor: bar_color,
+				borderWidth: 1
+			}]
+		},
+		options: {
+			// we override the default tooltip which drops trailing zeros even though we already put them there
+			tooltips: {
+				callbacks: {
+					label: function(tooltipItem, data) {
+						var value = data.datasets[0].data[tooltipItem.index];
+						var label = 'download: ';
+						var retvalue = value.toLocaleString(undefined, { minimumFractionDigits: 3 });
+						return label + ' ' + retvalue + ' Mbps';
+					}
+				}
+			},
+			responsive: false,
+			scales: {
+				xAxes: [{
+					ticks: {
+						autoSkip: false,
+						maxTicksLimit: 24
+					}
+				}],
+				yAxes: [{
+					ticks: {
+						beginAtZero:true
+					}
+				}]
+			}
+		}
+	});
+</script>
+</body>
+</html>
