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