weathermap

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[/] [check.php] - Diff between revs 1 and 13

Rev 1 Rev 13

Line 1... Line 1...

<?php <?php

// get some basics... // get some basics...

$php_version = phpversion(); $php_version = phpversion();

$mem_allowed = ini_get("memory_limit"); $mem_allowed = ini_get("memory_limit");

$php_os = php_uname(); $php_os = php_uname();

$mem_warning = "";

$mem_allowed_int = return_bytes($mem_allowed);

if(($mem_allowed_int>0) && ($mem_allowed_int < 32000000)) { $mem_warning='You should increase this value to at least 32M. '; }

// capture the PHP "General Info" table // capture the PHP "General Info" table

ob_start(); ob_start();

phpinfo(INFO_GENERAL); phpinfo(INFO_GENERAL);

$s = ob_get_contents(); $s = ob_get_contents();

ob_end_clean(); ob_end_clean();

Line 27... Line 31...

} }

} }

$ini_file = $php_general['Configuration File (php.ini) Path']; $ini_file = $php_general['Configuration File (php.ini) Path'];

$extra_ini = php_ini_scanned_files(); $extra_ini = php_ini_scanned_files();

if($extra_ini != '') $extra_ini = "The following additional ini files were read: $extra_ini"; if($extra_ini != '')

{ $extra_ini = "The following additional ini files were read: $extra_ini"; }

else { $extra_ini = "There were no additional ini files, according to PHP."; }

$gdversion = "";

$gdbuiltin=FALSE;

$gdstring = "";

if(function_exists('gd_info'))

{

$gdinfo = gd_info();

$gdversion=$gdinfo['GD Version'];

if(strpos($gdversion,"bundled") !== FALSE)

{

$gdbuiltin=TRUE;

$gdstring="This PHP uses the 'bundled' GD library, which doesn't have alpha-blending bugs. That's good!\n";

}

else

{

$gdstring="This PHP uses the system GD library, which MIGHT have alpha-blending bugs. Check that you have at least GD 2.0.34 installed, if you see problems with weathermap segfaulting.\n";

}

}

else

{

$gdstring = "The gdinfo() function is not available, which means that either the GD extension is not available, not enabled, or not installed.\n";

}

if(isset($argv)) if(isset($argv))

{ {

$environment = "CLI"; $environment = "CLI";

print "\n----------------------------------------------------\nWeathermap Pre-Install Checker\n\n"; print "\n----------------------------------------------------\nWeathermap Pre-Install Checker\n\n";

print "This script checks for some common problems with your PHP and server\nenvironment that may stop Weathermap or the Editor from working.\n\n"; print "This script checks for some common problems with your PHP and server\nenvironment that may stop Weathermap or the Editor from working.\n\n";

print "NOTE: You should run this script as both a web page AND from the\ncommand-line, as the environment can be different in each.\n\n"; print "NOTE: You should run this script as both a web page AND from the\ncommand-line, as the environment can be different in each.\n";

print "\nThis is the PHP version that is responsible for \n* creating maps from the Cacti poller\n* the command-line weathermap tool\n\n";

print "PHP Basics\n----------\n"; print "PHP Basics\n----------\n";

print wordwrap("This is PHP Version $php_version running on \"$php_os\" with a memory_limit of $mem_allowed\n"); print wordwrap("This is PHP Version $php_version running on \"$php_os\" with a memory_limit of '$mem_allowed'. $mem_warning\n");

print "\nThe php.ini file was $ini_file\n$extra_ini\n\n"; print "\nThe php.ini file was $ini_file\n$extra_ini\n\n";

print "";

print "PHP Functions\n-------------\n"; print "PHP Functions\n-------------\n";

print "Some parts of Weathermap need special support in your PHP\ninstallation to work.\n\n"; print "Some parts of Weathermap need special support in your PHP\ninstallation to work.\n\n";

print wordwrap($gdstring)."\n";

} }

else else

{ {

$environment = "web"; $environment = "web";

?> ?>

Line 65... Line 95...

<h1>Weathermap Pre-install Checker</h1> <h1>Weathermap Pre-install Checker</h1>

<p>This page checks for some common problems with your PHP and server environment that may stop Weathermap or the Editor from working.</p> <p>This page checks for some common problems with your PHP and server environment that may stop Weathermap or the Editor from working.</p>

<p>NOTE: You should run this script as a web page AND from the command-line, as the environment can be different in each.</p> <p>NOTE: You should run this script as a web page AND from the command-line, as the environment can be different in each.</p>

<h2>PHP Basics</h2><p>This is PHP Version <?php echo $php_version ?> running on "<?php echo $php_os ?>" with a memory_limit of <?php echo $mem_allowed ?></p> <h2>PHP Basics</h2><p>This is the PHP version that is responsible for<ul>

<li>The web-based editor<li>Building maps with Rebuild Now from Cacti</ul></p>

<p>This is PHP Version <?php echo $php_version ?> running on "<?php echo $php_os ?>" with a memory_limit of '<?php echo $mem_allowed ?>'. <?php echo $mem_warning ?></p>

<p>The php.ini file was <?php echo $ini_file ?></p> <p>The php.ini file was <?php echo $ini_file ?></p>

<p><?php echo $extra_ini ?></p> <p><?php echo $extra_ini ?></p>

<h2>PHP Functions</h2> <h2>PHP Functions</h2>

<p>Some parts of Weathermap need special support in your PHP installation to work.</p> <p>Some parts of Weathermap need special support in your PHP installation to work.</p>

<?php echo $gdstring; ?>

<table> <table>

<?php <?php

} }

$critical=0; $critical=0;

$noncritical=0; $noncritical=0;

# critical, what-it-affects, what-it-is # critical, what-it-affects, what-it-is

$functions = array('imagepng' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'), $functions = array('imagepng' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'),

'imagecreatetruecolor' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'), 'imagecreatetruecolor' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'),

'imagealphablending' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'), 'imagealphablending' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'),

Line 96... Line 131...

'memory_get_usage' => array(FALSE,TRUE,'memory-usage debugging','not supported on all PHP versions and platforms') 'memory_get_usage' => array(FALSE,TRUE,'memory-usage debugging','not supported on all PHP versions and platforms')

); );

$results=array(); $results=array();

if($environment == 'CLI')

{

// Console_Getopt is only needed by the CLI tool.

$included = @include_once 'Console/Getopt.php';

if($included != 1)

{

$noncritical++;

print wordwrap("The Console_Getopt PEAR module is not available. The CLI weathermap tool will not run without it (that may not be a problem, if you only intend to use Cacti).\n\n");

}

else

{

print wordwrap("The Console_Getopt PEAR module is available. That's good!\n\n");

}

}

foreach ($functions as $function=>$details) foreach ($functions as $function=>$details)

{ {

$exists = ""; $notes=""; $exists = ""; $notes="";

if($environment=='web') print "<tr><td align=right>$function()</td>"; if($environment=='web') print "<tr><td align=right>$function()</td>";

Line 183... Line 235...

} }

else else

{ {

if($noncritical>0) if($noncritical>0)

{ {

if($environment=='web') print "<div class=\"noncritical\">"; if($environment=='web') print "<div class=\"noncritical\">";

print wordwrap("Some features of Weathermap will not be available to you, due to lack of support in your PHP installation. You can still proceed with Weathermap though.\n"); print wordwrap("Some features of Weathermap will not be available to you, due to lack of support in your PHP installation. You can still proceed with Weathermap though.\n");

if($environment=='web') print "</div>"; if($environment=='web') print "</div>";

} }

else else

{ {

if($environment=='web') print "<div class=\"ok\">"; if($environment=='web') print "<div class=\"ok\">";

print wordwrap("OK! Your PHP and server environment seems to have support for ALL of the Weathermap features. Make sure you have run this script BOTH as a web page and from the CLI to be sure, however.\n"); print wordwrap("OK! Your PHP and server environment *seems* to have support for ALL of the Weathermap features. Make sure you have run this script BOTH as a web page and from the CLI to be sure, however.\n");

if($environment=='web') print "</div>"; if($environment=='web') print "</div>";

} }

} }

if($environment=='web') print "</body></html>"; if($environment=='web') print "</body></html>";

function return_bytes($val) {

$val = trim($val);

if($val != '')

{

$last = strtolower($val{strlen($val)-1});

switch($last) {

// The 'G' modifier is available since PHP 5.1.0

case 'g':

$val *= 1024;

case 'm':

$val *= 1024;

case 'k':

$val *= 1024;

}

}

else

{

$val = 0;

}

return $val;

}

?> ?>

-Rev 1
+Rev 13
 Line 1...
 <?php
       // get some basics...
       $php_version = phpversion();
       $mem_allowed = ini_get("memory_limit");
       $php_os = php_uname();
+      $mem_warning = "";
+      $mem_allowed_int = return_bytes($mem_allowed);
+      if(($mem_allowed_int>0) && ($mem_allowed_int < 32000000)) { $mem_warning='You should increase this value to at least 32M. '; }
       // capture the PHP "General Info" table
       ob_start();
       phpinfo(INFO_GENERAL);
       $s = ob_get_contents();
       ob_end_clean();
-Line 27...
+Line 31...
             }
       }
       $ini_file = $php_general['Configuration File (php.ini) Path'];
       $extra_ini = php_ini_scanned_files();
-      if($extra_ini != '') $extra_ini = "The following additional ini files were read: $extra_ini";
+      if($extra_ini != '')
+      {     $extra_ini = "The following additional ini files were read: $extra_ini"; }
+      else { $extra_ini = "There were no additional ini files, according to PHP."; }
+      $gdversion = "";
+      $gdbuiltin=FALSE;
+      $gdstring = "";
+      if(function_exists('gd_info'))
+      {
+            $gdinfo = gd_info();
+            $gdversion=$gdinfo['GD Version'];
+            if(strpos($gdversion,"bundled") !== FALSE)
+            {
+                  $gdbuiltin=TRUE;
+                  $gdstring="This PHP uses the 'bundled' GD library, which doesn't have alpha-blending bugs. That's good!\n";
+            }
+            else
+            {
+                  $gdstring="This PHP uses the system GD library, which MIGHT have alpha-blending bugs. Check that you have at least GD 2.0.34 installed, if you see problems with weathermap segfaulting.\n";
+            }
+      }
+      else
+      {
+              $gdstring = "The gdinfo() function is not available, which means that either the GD extension is not available, not enabled, or not installed.\n";
+              }
   if(isset($argv))
   {
         $environment = "CLI";
     print "\n----------------------------------------------------\nWeathermap Pre-Install Checker\n\n";
         print "This script checks for some common problems with your PHP and server\nenvironment that may stop Weathermap or the Editor from working.\n\n";
-        print "NOTE: You should run this script as both a web page AND from the\ncommand-line, as the environment can be different in each.\n\n";
+        print "NOTE: You should run this script as both a web page AND from the\ncommand-line, as the environment can be different in each.\n";
+        print "\nThis is the PHP version that is responsible for \n* creating maps from the Cacti poller\n* the command-line weathermap tool\n\n";
         print "PHP Basics\n----------\n";
-        print wordwrap("This is PHP Version $php_version running on \"$php_os\" with a memory_limit of $mem_allowed\n");
+        print wordwrap("This is PHP Version $php_version running on \"$php_os\" with a memory_limit of '$mem_allowed'. $mem_warning\n");
         print "\nThe php.ini file was $ini_file\n$extra_ini\n\n";
+        print "";
         print "PHP Functions\n-------------\n";
         print "Some parts of Weathermap need special support in your PHP\ninstallation to work.\n\n";
+        print wordwrap($gdstring)."\n";
   }
   else
   {
         $environment = "web";
 ?>
-Line 65...
+Line 95...
     <h1>Weathermap Pre-install Checker</h1>
     <p>This page checks for some common problems with your PHP and server environment that may stop Weathermap or the Editor from working.</p>
         <p>NOTE: You should run this script as a web page AND from the command-line, as the environment can be different in each.</p>
-      <h2>PHP Basics</h2><p>This is PHP Version <?php echo $php_version ?> running on "<?php echo $php_os ?>" with a memory_limit of <?php echo $mem_allowed ?></p>
+      <h2>PHP Basics</h2><p>This is the PHP version that is responsible for<ul>
+      <li>The web-based editor<li>Building maps with Rebuild Now from Cacti</ul></p>
+      <p>This is PHP Version <?php echo $php_version ?> running on "<?php echo $php_os ?>" with a memory_limit of '<?php echo $mem_allowed ?>'. <?php echo $mem_warning ?></p>
       <p>The php.ini file was <?php echo $ini_file ?></p>
       <p><?php echo $extra_ini ?></p>
         <h2>PHP Functions</h2>
     <p>Some parts of Weathermap need special support in your PHP installation to work.</p>
+    <?php echo $gdstring; ?>
         <table>
 <?php
   }
     $critical=0;
     $noncritical=0;
     # critical, what-it-affects, what-it-is
     $functions = array('imagepng' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'),
                   'imagecreatetruecolor' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'),
                   'imagealphablending' => array(TRUE,FALSE,'all of Weathermap','part of the GD library and the "gd" PHP extension'),
-Line 96...
+Line 131...
                   'memory_get_usage' => array(FALSE,TRUE,'memory-usage debugging','not supported on all PHP versions and platforms')
                 );
         $results=array();
+      if($environment == 'CLI')
+      {
+            // Console_Getopt is only needed by the CLI tool.
+            $included = @include_once 'Console/Getopt.php';
+            if($included != 1)
+            {
+                  $noncritical++;
+                  print wordwrap("The Console_Getopt PEAR module is not available. The CLI weathermap tool will not run without it (that may not be a problem, if you only intend to use Cacti).\n\n");
+            }
+            else
+            {
+                  print wordwrap("The Console_Getopt PEAR module is available. That's good!\n\n");
+            }
+      }
    foreach ($functions as $function=>$details)
     {
                 $exists = ""; $notes="";
             if($environment=='web') print "<tr><td align=right>$function()</td>";
-Line 183...
+Line 235...
     }
     else
     {
         if($noncritical>0)
         {
-                    if($environment=='web') print "<div class=\"noncritical\">";
+            if($environment=='web') print "<div class=\"noncritical\">";
             print wordwrap("Some features of Weathermap will not be available to you, due to lack of support in your PHP installation. You can still proceed with Weathermap though.\n");
-                        if($environment=='web') print "</div>";
+            if($environment=='web') print "</div>";
         }
         else
         {
-                    if($environment=='web') print "<div class=\"ok\">";
+            if($environment=='web') print "<div class=\"ok\">";
-            print wordwrap("OK! Your PHP and server environment seems to have support for ALL of the Weathermap features. Make sure you have run this script BOTH as a web page and from the CLI to be sure, however.\n");
+            print wordwrap("OK! Your PHP and server environment *seems* to have support for ALL of the Weathermap features. Make sure you have run this script BOTH as a web page and from the CLI to be sure, however.\n");
-                        if($environment=='web') print "</div>";
+            if($environment=='web') print "</div>";
         }
     }
-        if($environment=='web') print "</body></html>";
+      if($environment=='web') print "</body></html>";
+      function return_bytes($val) {
+      $val = trim($val);
+      if($val != '')
+      {
+      $last = strtolower($val{strlen($val)-1});
+      switch($last) {
+          // The 'G' modifier is available since PHP 5.1.0
+          case 'g':
+              $val *= 1024;
+          case 'm':
+              $val *= 1024;
+          case 'k':
+              $val *= 1024;
+    }
+        }
+        else
+        {
+                $val = 0;
+        }
+    return $val;
+}
 ?>