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4928220098
1) Make sure we have enough memory to perform the task 2) In case of fatal error in the Ajax call, catch it, display it to the end-user and stop the installation. See Trac #84 for more information. SVN:trunk[298]
111 lines
3.6 KiB
PHP
111 lines
3.6 KiB
PHP
<?php
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/**
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* This page is called to load "asynchronously" some xml file into the database
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* parameters
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* 'file' string Name of the file to load
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* 'session_status' string 'start', 'continue' or 'end'
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* 'percent' integer 0..100 the percentage of completion once the file has been loaded
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*/
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define('SAFE_MINIMUM_MEMORY', 32*1024*1024);
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require_once('../application/utils.inc.php');
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require_once('./setuppage.class.inc.php');
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$iMemoryLimit = utils::ConvertToBytes(ini_get('memory_limit'));
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if ($iMemoryLimit < SAFE_MINIMUM_MEMORY)
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{
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if (ini_set('memory_limit', SAFE_MINIMUM_MEMORY) === FALSE)
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{
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SetupWebPage::error("memory_limit is too small: $iMemoryLimit and can not be increased by the script itself.");
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}
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else
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{
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SetupWebPage::log("memory_limit increased from $iMemoryLimit to ".SAFE_MINIMUM_MEMORY.".");
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}
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}
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function FatalErrorCatcher($sOutput)
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{
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if ( preg_match('|<phpfatalerror>.*</phpfatalerror>|s', $sOutput, &$aMatches) )
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{
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header("HTTP/1.0 500 Internal server error.");
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foreach ($aMatches as $sMatch)
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{
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$errors .= strip_tags($sMatch)."\n";
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}
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$sOutput = "$errors\n";
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// Logging to a file does not work if the whole memory is exhausted...
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//SetupWebPage::error("Fatal error - in $__FILE__ , $errors");
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}
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return $sOutput;
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}
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//Define some bogus, invalid HTML tags that no sane
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//person would ever put in an actual document and tell
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//PHP to delimit fatal error warnings with them.
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ini_set('error_prepend_string', '<phpfatalerror>');
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ini_set('error_append_string', '</phpfatalerror>');
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// Starts the capture of the ouput, and sets a filter to capture the fatal errors.
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ob_start('FatalErrorCatcher'); // Start capturing the output, and pass it through the fatal error catcher
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require_once('../core/config.class.inc.php');
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require_once('../core/cmdbsource.class.inc.php');
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require_once('./xmldataloader.class.inc.php');
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define('TMP_CONFIG_FILE', '../tmp-config-itop.php');
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//define('FINAL_CONFIG_FILE', '../config-itop.php');
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// Never cache this page
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header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
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header("Expires: Fri, 17 Jul 1970 05:00:00 GMT"); // Date in the past
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/**
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* Main program
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*/
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$sFileName = Utils::ReadParam('file', '');
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$sSessionStatus = Utils::ReadParam('session_status', '');
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$iPercent = (integer)Utils::ReadParam('percent', 0);
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SetupWebPage::log("Info - Loading file: $sFileName");
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try
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{
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if (empty($sFileName) || !file_exists($sFileName))
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{
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throw(new Exception("File $sFileName does not exist"));
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}
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$oDataLoader = new XMLDataLoader(TMP_CONFIG_FILE); // When called by the wizard, the final config is not yet there
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if ($sSessionStatus == 'start')
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{
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$oChange = MetaModel::NewObject("CMDBChange");
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$oChange->Set("date", time());
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$oChange->Set("userinfo", "Initialization");
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$iChangeId = $oChange->DBInsert();
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SetupWebPage::log("Info - starting data load session");
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$oDataLoader->StartSession($oChange);
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}
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$oDataLoader->LoadFile($sFileName);
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$sResult = sprintf("Info - loading of %s done. (Overall %d %% completed).", basename($sFileName), $iPercent);
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echo $sResult;
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SetupWebPage::log($sResult);
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if ($sSessionStatus == 'end')
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{
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$oDataLoader->EndSession();
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SetupWebPage::log("Info - ending data load session");
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}
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}
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catch(Exception $e)
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{
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echo "<p>An error happened while loading the data</p>\n";
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echo '<p>'.$e."</p>\n";
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SetupWebPage::log("Error - An error happened while loading the data. ".$e);
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}
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if (function_exists('memory_get_peak_usage'))
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{
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SetupWebPage::log("Info - loading file '$sFileName', peak memory usage. ".memory_get_peak_usage());
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}
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?>
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