graph.php

linux下流量查看软件,可以查看到每台机子的具体流量

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);