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455 lines
12 KiB
455 lines
12 KiB
<?php
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require("include.php");
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// Returns x location of any given timestamp
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function ts2x($ts)
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{
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global $timestamp, $width, $interval;
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return(($ts-$timestamp)*(($width-XOFFSET) / $interval) + XOFFSET);
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}
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// If we have multiple IP's in a result set we need to total the average of each IP's samples
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function AverageAndAccumulate()
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{
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global $Count, $total, $icmp, $udp, $tcp, $ftp, $http, $p2p, $YMax;
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global $a_total, $a_icmp, $a_udp, $a_tcp, $a_ftp, $a_http, $a_p2p;
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foreach ($Count as $key => $number)
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{
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$total[$key] /= $number;
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$icmp[$key] /= $number;
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$udp[$key] /= $number;
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$tcp[$key] /= $number;
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$ftp[$key] /= $number;
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$http[$key] /= $number;
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$p2p[$key] /= $number;
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}
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foreach ($Count as $key => $number)
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{
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$a_total[$key] += $total[$key];
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$a_icmp[$key] += $icmp[$key];
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$a_udp[$key] += $udp[$key];
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$a_tcp[$key] += $tcp[$key];
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$a_ftp[$key] += $ftp[$key];
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$a_http[$key] += $http[$key];
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$a_p2p[$key] += $p2p[$key];
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if ($a_total[$key] > $YMax)
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$YMax = $a_total[$key];
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}
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unset($GLOBALS['total'], $GLOBALS['icmp'], $GLOBALS['udp'], $GLOBALS['tcp'], $GLOBALS['ftp'], $GLOBALS['http'], $GLOBALS['p2p'], $GLOBALS['Count']);
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$total = array();
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$icmp = array();
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$udp = array();
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$tcp = array();
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$ftp = array();
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$http = array();
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$p2p = array();
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$Count = array();
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}
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$db = ConnectDb();
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// Get parameters
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if (isset($_GET['width']))
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$width = $_GET['width'];
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else
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$width = DFLT_WIDTH;
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if (isset($_GET['height']))
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$height = $_GET['height'];
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else
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$height = DFLT_HEIGHT;
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if (isset($_GET['interval']))
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$interval = $_GET['interval'];
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else
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$interval = DFLT_INTERVAL;
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if (isset($_GET['ip']))
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$ip = $_GET['ip'];
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else
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exit(1);
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if (isset($_GET['sensor_name']))
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$sensor_name = $_GET['sensor_name'];
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else
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exit(1);
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if (isset($_GET['timestamp']))
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$timestamp = $_GET['timestamp'];
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else
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$timestamp = time() - $interval + (0.05*$interval);
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if (isset($_GET['table']))
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$table = $_GET['table'];
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else
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$table = "bd_rx_log";
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if (isset($_GET['yscale']))
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$yscale = $_GET['yscale'];
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$total = array();
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$icmp = array();
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$udp = array();
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$tcp = array();
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$ftp = array();
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$http = array();
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$p2p = array();
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$Count = array();
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// Accumulator
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$a_total = array();
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$a_icmp = array();
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$a_udp = array();
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$a_tcp = array();
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$a_ftp = array();
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$a_http = array();
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$a_p2p = array();
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$sql_subnet = prepare_sql_subnet($ip);
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$sql = "select *, timestamp as ts from sensors, $table where sensors.sensor_id = ".$table.".sensor_id $sql_subnet and sensor_name = '$sensor_name' and timestamp > $timestamp and timestamp < ".($timestamp+$interval)." order by ip;";
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//error_log($sql);
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$result = $db->query($sql);
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// The SQL statement pulls the data out of the database ordered by IP address, that way we can average each
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// datapoint for each IP address to provide smoothing and then toss the smoothed value into the accumulator
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// to provide accurate total traffic rate.
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while ($row = $result->fetch())
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{
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if ($row['ip'] != $last_ip)
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{
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AverageAndAccumulate();
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$last_ip = $row['ip'];
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}
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$x = ($row['ts']-$timestamp)*(($width-XOFFSET)/$interval)+XOFFSET;
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$xint = (int) $x;
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//echo "xint: ".$xint."<br>";
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$Count[$xint]++;
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if ($row['total']/$row['sample_duration'] > $SentPeak)
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$SentPeak = $row['total']/$row['sample_duration'];
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$TotalSent += $row['total'];
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$total[$xint] += $row['total']/$row['sample_duration'];
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$icmp[$xint] += $row['icmp']/$row['sample_duration'];
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$udp[$xint] += $row['udp']/$row['sample_duration'];
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$tcp[$xint] += $row['tcp']/$row['sample_duration'];
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$ftp[$xint] += $row['ftp']/$row['sample_duration'];
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$http[$xint] += $row['http']/$row['sample_duration'];
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$p2p[$xint] += $row['p2p']/$row['sample_duration'];
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}
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// One more time for the last IP
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AverageAndAccumulate();
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// Pull the data out of Accumulator
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$total = $a_total;
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$icmp = $a_icmp;
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$udp = $a_udp;
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$tcp = $a_tcp;
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$ftp = $a_ftp;
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$http = $a_http;
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$p2p = $a_p2p;
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$YMax += $YMax*0.05; // Add an extra 5%
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// if a y scale was specified override YMax
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if (isset($yscale)&& $yscale > 0)
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$YMax = $yscale/8;
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// Plot the data
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header("Content-type: image/png");
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$im = imagecreate($width, $height);
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$white = imagecolorallocate($im, 255, 255, 255);
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$purple = ImageColorAllocate($im, 255, 0, 255);
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$green = ImageColorAllocate($im, 0, 255, 0);
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$blue = ImageColorAllocate($im, 0, 0, 255);
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$lblue = ImageColorAllocate($im, 128, 128, 255);
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$brown = ImageColorAllocate($im, 128, 0, 0);
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$red = ImageColorAllocate($im, 255, 0, 0);
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$black = ImageColorAllocate($im, 0, 0, 0);
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for($Counter=XOFFSET+1; $Counter < $width; $Counter++)
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{
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if (isset($total[$Counter]))
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{
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// Convert the bytes/sec to y coords
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$total[$Counter] = ($total[$Counter]*($height-YOFFSET))/$YMax;
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$tcp[$Counter] = ($tcp[$Counter]*($height-YOFFSET))/$YMax;
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$ftp[$Counter] = ($ftp[$Counter]*($height-YOFFSET))/$YMax;
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$http[$Counter] = ($http[$Counter]*($height-YOFFSET))/$YMax;
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$p2p[$Counter] = ($p2p[$Counter]*($height-YOFFSET))/$YMax;
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$udp[$Counter] = ($udp[$Counter]*($height-YOFFSET))/$YMax;
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$icmp[$Counter] = ($icmp[$Counter]*($height-YOFFSET))/$YMax;
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// Stack 'em up!
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// Total is stacked from the bottom
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// Icmp is on the bottom too
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// Udp is stacked on top of icmp
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$udp[$Counter] += $icmp[$Counter];
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// TCP and p2p are stacked on top of Udp
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$tcp[$Counter] += $udp[$Counter];
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$p2p[$Counter] += $udp[$Counter];
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// Http is stacked on top of p2p
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$http[$Counter] += $p2p[$Counter];
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// Ftp is stacked on top of http
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$ftp[$Counter] += $http[$Counter];
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// Plot them!
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//echo "$Counter:".$Counter." (h-y)-t:".($height-YOFFSET) - $total[$Counter]." h-YO-1:".$height-YOFFSET-1;
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ImageLine($im, $Counter, ($height-YOFFSET) - $icmp[$Counter], $Counter, $height-YOFFSET-1, $red);
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ImageLine($im, $Counter, ($height-YOFFSET) - $udp[$Counter], $Counter, ($height-YOFFSET) - $icmp[$Counter] - 1, $brown);
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ImageLine($im, $Counter, ($height-YOFFSET) - $tcp[$Counter], $Counter, ($height-YOFFSET) - $udp[$Counter] - 1, $green);
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ImageLine($im, $Counter, ($height-YOFFSET) - $p2p[$Counter], $Counter, ($height-YOFFSET) - $udp[$Counter] - 1, $purple);
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ImageLine($im, $Counter, ($height-YOFFSET) - $http[$Counter], $Counter, ($height-YOFFSET) - $p2p[$Counter] - 1, $blue);
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ImageLine($im, $Counter, ($height-YOFFSET) - $ftp[$Counter], $Counter, ($height-YOFFSET) - $http[$Counter] - 1, $lblue);
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}
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// else
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// echo $Counter." not set<br>";
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}
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// Margin Text
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if ($SentPeak < 1024/8)
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$txtPeakSendRate = sprintf("Peak Send Rate: %.1f KBits/sec", $SentPeak*8);
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else if ($SentPeak < (1024*1024)/8)
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$txtPeakSendRate = sprintf("Peak Send Rate: %.1f MBits/sec", ($SentPeak*8.0)/1024.0);
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else
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$txtPeakSendRate = sprintf("Peak Send Rate: %.1f GBits/sec", ($SentPeak*8.0)/(1024.0*1024.0));
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if ($TotalSent < 1024)
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$txtTotalSent = sprintf("Sent %.1f KBytes", $TotalSent);
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else if ($TotalSent < 1024*1024)
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$txtTotalSent = sprintf("Sent %.1f MBytes", $TotalSent/1024.0);
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else
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$txtTotalSent = sprintf("Sent %.1f GBytes", $TotalSent/(1024.0*1024.0));
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ImageString($im, 2, XOFFSET+5, $height-20, $txtTotalSent, $black);
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ImageString($im, 2, $width/2+XOFFSET/2, $height-20, $txtPeakSendRate, $black);
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// Draw X Axis
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ImageLine($im, 0, $height-YOFFSET, $width, $height-YOFFSET, $black);
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// Day/Month Seperator bars
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if ((24*60*60*($width-XOFFSET))/$interval > ($width-XOFFSET)/10)
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{
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$ts = getdate($timestamp);
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$MarkTime = mktime(0, 0, 0, $ts['mon'], $ts['mday'], $ts['year']);
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$x = ts2x($MarkTime);
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while ($x < XOFFSET)
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{
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$MarkTime += (24*60*60);
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$x = ts2x($MarkTime);
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}
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while ($x < ($width-10))
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{
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// Day Lines
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ImageLine($im, $x, 0, $x, $height-YOFFSET, $black);
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ImageLine($im, $x+1, 0, $x+1, $height-YOFFSET, $black);
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$txtDate = strftime("%a, %b %d", $MarkTime);
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ImageString($im, 2, $x-30, $height-YOFFSET+10, $txtDate, $black);
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// Calculate Next x
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$MarkTime += (24*60*60);
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$x = ts2x($MarkTime);
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}
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}
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else if ((24*60*60*30*($width-XOFFSET))/$interval > ($width-XOFFSET)/10)
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{
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// Monthly Bars
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$ts = getdate($timestamp);
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$month = $ts['mon'];
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$MarkTime = mktime(0, 0, 0, $month, 1, $ts['year']);
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$x = ts2x($MarkTime);
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while ($x < XOFFSET)
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{
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$month++;
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$MarkTime = mktime(0, 0, 0, $month, 1, $ts['year']);
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$x = ts2x($MarkTime);
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}
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while ($x < ($width-10))
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{
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// Day Lines
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ImageLine($im, $x, 0, $x, $height-YOFFSET, $black);
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ImageLine($im, $x+1, 0, $x+1, $height-YOFFSET, $black);
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$txtDate = strftime("%b, %Y", $MarkTime);
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ImageString($im, 2, $x-25, $height-YOFFSET+10, $txtDate, $black);
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// Calculate Next x
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$month++;
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$MarkTime = mktime(0, 0, 0, $month, 1, $ts['year']);
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$x = ts2x($MarkTime);
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}
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}
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else
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{
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// Year Bars
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$ts = getdate($timestamp);
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$year = $ts['year'];
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$MarkTime = mktime(0, 0, 0, 1, 1, $year);
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$x = ts2x($MarkTime);
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while ($x < XOFFSET)
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{
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$year++;
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$MarkTime = mktime(0, 0, 0, 1, 1, $year);
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$x = ts2x($MarkTime);
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}
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while ($x < ($width-10))
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{
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// Day Lines
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ImageLine($im, $x, 0, $x, $height-YOFFSET, $black);
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ImageLine($im, $x+1, 0, $x+1, $height-YOFFSET, $black);
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$txtDate = strftime("%b, %Y", $MarkTime);
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ImageString($im, 2, $x-25, $height-YOFFSET+10, $txtDate, $black);
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// Calculate Next x
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$year++;
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$MarkTime = mktime(0, 0, 0, 1, 1, $year);
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$x = ts2x($MarkTime);
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}
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}
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// Draw Major Tick Marks
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if ((6*60*60*($width-XOFFSET))/$interval > 10) // pixels per 6 hours is more than 2
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$MarkTimeStep = 6*60*60; // Major ticks are 6 hours
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else if ((24*60*60*($width-XOFFSET))/$interval > 10)
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$MarkTimeStep = 24*60*60; // Major ticks are 24 hours;
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else if ((24*60*60*30*($width-XOFFSET))/$interval > 10)
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{
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// Major tick marks are months
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$MarkTimeStep = 0; // Skip the standard way of drawing major tick marks below
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$ts = getdate($timestamp);
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$month = $ts['mon'];
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$MarkTime = mktime(0, 0, 0, $month, 1, $ts['year']);
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$x = ts2x($MarkTime);
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while ($x < XOFFSET)
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{
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$month++;
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$MarkTime = mktime(0, 0, 0, $month, 1, $ts['year']);
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$x = ts2x($MarkTime);
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}
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while ($x < ($width-10))
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{
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// Day Lines
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$date = getdate($MarkTime);
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if ($date['mon'] != 1)
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{
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ImageLine($im, $x, $height-YOFFSET-5, $x, $height-YOFFSET+5, $black);
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$txtDate = strftime("%b", $MarkTime);
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ImageString($im, 2, $x-5, $height-YOFFSET+10, $txtDate, $black);
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}
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// Calculate Next x
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$month++;
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$MarkTime = mktime(0, 0, 0, $month, 1, $ts['year']);
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$x = ts2x($MarkTime);
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}
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}
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else
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$MarkTimeStep = 0; // Skip Major Tick Marks
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if ($MarkTimeStep)
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{
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$ts = getdate($timestamp);
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$MarkTime = mktime(0, 0, 0, $ts['mon'], $ts['mday'], $ts['year']);
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$x = ts2x($MarkTime);
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while ($x < ($width-10))
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{
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if ($x > XOFFSET)
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{
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ImageLine($im, $x, $height-YOFFSET-5, $x, $height-YOFFSET+5, $black);
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}
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$MarkTime += $MarkTimeStep;
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$x = ts2x($MarkTime);
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}
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}
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// Draw Minor Tick marks
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if ((60*60*($width-XOFFSET))/$interval > 4) // pixels per hour is more than 2
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$MarkTimeStep = 60*60; // Minor ticks are 1 hour
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else if ((6*60*60*($width-XOFFSET))/$interval > 4)
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$MarkTimeStep = 6*60*60; // Minor ticks are 6 hours
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else if ((24*60*60*($width-XOFFSET))/$interval > 4)
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$MarkTimeStep = 24*60*60;
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else
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$MarkTimeStep = 0; // Skip minor tick marks
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if ($MarkTimeStep)
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{
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$ts = getdate($timestamp);
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$MarkTime = mktime(0, 0, 0, $ts['mon'], $ts['mday'], $ts['year']);
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$x = ts2x($MarkTime);
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while ($x < ($width-10))
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{
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if ($x > XOFFSET)
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{
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ImageLine($im, $x, $height-YOFFSET, $x, $height-YOFFSET+5, $black);
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}
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$MarkTime += $MarkTimeStep;
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$x = ts2x($MarkTime);
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}
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}
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// Draw Y Axis
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ImageLine($im, XOFFSET, 0, XOFFSET, $height, $black);
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$YLegend = 'k';
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$Divisor = 1;
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if ($YMax*8 > 1024*2)
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{
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$Divisor = 1024; // Display in m
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$YLegend = 'm';
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}
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if ($YMax*8 > 1024*1024*2)
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{
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$Divisor = 1024*1024; // Display in g
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$YLegend = 'g';
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}
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if ($YMax*8 > 1024*1024*1024*2)
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{
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$Divisor = 1024*1024*1024; // Display in t
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$YLegend = 't';
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}
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$YStep = $YMax/10;
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if ($YStep < 1)
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$YStep=1;
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$YTic=$YStep;
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while ($YTic <= ($YMax - $YMax/10))
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{
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$y = ($height-YOFFSET)-(($YTic*($height-YOFFSET))/$YMax);
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ImageLine($im, XOFFSET, $y, $width, $y, $black);
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$txtYLegend = sprintf("%4.1f %sbits/s", (8.0*$YTic)/$Divisor, $YLegend);
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ImageString($im, 2, 3, $y-7, $txtYLegend, $black);
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$YTic += $YStep;
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}
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imagepng($im);
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imagedestroy($im);
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