bibupload.wml
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Created: Tue, Jul 2, 14:04

bibupload.wml
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	## $Id$
	## Script that uploades LoC MARC XML file into the BIB database.

	## This file is part of the CERN Document Server Software (CDSware).
	## Copyright (C) 2002 CERN.
	##
	## The CDSware is free software; you can redistribute it and/or
	## modify it under the terms of the GNU General Public License as
	## published by the Free Software Foundation; either version 2 of the
	## License, or (at your option) any later version.
	##
	## The CDSware is distributed in the hope that it will be useful, but
	## WITHOUT ANY WARRANTY; without even the implied warranty of
	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	## General Public License for more details.
	##
	## You should have received a copy of the GNU General Public License
	## along with CDSware; if not, write to the Free Software Foundation, Inc.,
	## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

	## read config variables:
	#include "config.wml"
	#include "configbis.wml"
	#include "cdswmllib.wml"

	## start PHP:
	<protect>#!</protect><PHP> -q
	<?
	<protect>#$Id$</protect>
	<protect>## DO NOT EDIT THIS FILE! IT WAS AUTOMATICALLY GENERATED FROM CDSware WML SOURCES.</protect>

	$mysql_dbname = "<DBNAME>";
	$mysql_machine = "<DBHOST>";
	$mysql_docid = "<DBUSER>";
	$mysql_docpw = "<DBPASS>";
	$supportemail = "<SUPPORTEMAIL>";

	$__version__ = "<: print generate_pretty_version_string('$Id$'); :>";

	### okay, config read, from now on the script can continue ###

	<protect>

	##########################################################################
	# file: bibupload
	# created by: T. Baron
	# revision: $Id$
	# parameters: Usage: bibupload [options] file1.xml [file2.xml ...]
	# Options:
	# -h, --help print this help
	# -d, --display display records analysis - no integration
	# -b, --database display integration requests - integration
	# -m, --mute Silent mode.
	# description: this program takes file(s) written in XML following
	# the DTD used in the LoC MARC XML. For each record found,
	# the program decides whether it is an upload or a
	# correction (sysno existence, report number existence).
	# Then each field is created or corrected.
	# The process is based on three classes: record, field and
	# subfield.
	#
	##########################################################################

	// first test if pcntl is loaded
	if (!extension_loaded('pcntl')) {
	print "error... pcntl php module needed for running bibupload. Check your php installation";
	exit();
	}
	// then test if mysql is loaded
	if (!extension_loaded('mysql')) {
	print "error... mysql php module needed for running bibupload. Check your php installation";
	exit();
	}

	// time limit for script execution
	set_time_limit(86340);

	// array of all the "untouchable" field tags
	$strongtags = array("909COo");

	//////////////////////////////////////////////////////////////////////
	// BIBSCHED FUNCTIONS
	// These functions allow bibupload to run in the framework of
	// the CDS scheduler
	//////////////////////////////////////////////////////////////////////

	function task_submit()
	{
	// This function submits the task to bibsched task queue
	// This is what users will be invoking via command line.

	global $options,$errorfp;

	// To be sure no task is set
	if ($options['TASKRUN']) {
	$options['TASKRUN'] = FALSE;
	}
	if ($options['DATE'] == "")
	$date = "NOW()";
	else
	$date = "'".$options['DATE']."'";

	$cwd = getcwd();
	$totalrecs = 0;
	$fullrecordfiles = array();
	chdir("/");
	foreach ($options['recordfiles'] as $originalrecordfile) {
	$recordfile = $originalrecordfile;
	if (!file_exists("$recordfile"))
	$recordfile = $cwd."/$recordfile";
	if (!file_exists("$recordfile")) {
	fwrite($errorfp,"Error: Cannot find file $recordfile.\n");
	exit(1);
	}
	array_push($fullrecordfiles,$recordfile);
	$totalrecs += trim(`grep -a "<record" $recordfile \| wc -l`);
	}
	$options['recordfiles'] = $fullrecordfiles;

	// submit task
	$query = "INSERT INTO schTASK (id,proc,user,runtime,arguments,status,progress)
	VALUES (NULL,'bibupload','".$options['USER']."',$date,'".mysql_escape_string(serialize($options))."','WAITING','Done 0 out of $totalrecs')";

	$res = mysql_perform_query($query);
	$taskid = mysql_insert_id();

	print "Task #$taskid submitted.";
	}

	function task_sig_sleep($signo)
	{
	// Signal handler for the 'sleep' signal sent by BibSched.
	global $sleepstate;

	if ($sleepstate == "") {
	// we leave the current integration finish
	print " [going to sleep...] ";
	task_update_state("GOING TO SLEEP");
	$sleepstate = $signo;
	}
	else {
	print " [sleeping...] ";
	task_update_state("SLEEPING");
	while ($sleepstate) {
	usleep(10);
	}
	}
	}

	function task_sig_wakeup($signo)
	{
	//Signal handler for the 'wakeup' signal sent by BibSched.
	global $sleepstate;

	$sleepstate = 0;
	print " [continuing...] ";
	task_update_state("CONTINUING");
	}

	function task_sig_stop($signo)
	{
	global $stopstate;

	//Signal handler for the 'stop' signal sent by BibSched.
	if ($stopstate == "") {
	// we leave the current integration finish
	print " [stopping...] ";
	task_update_state("STOPPING");
	$stopstate = $signo;
	}
	else {
	// then really quit
	print " [stopped...] ";
	task_update_state("STOPPED");
	mysql_close();
	exit(0);
	}
	}

	function task_sig_suicide($signo)
	{
	//Signal handler for the 'suicide' signal sent by BibSched.
	print " [suiciding myself now...] ";
	task_update_state("SUICIDING");
	print " [suicided] ";
	task_update_state("SUICIDED");
	exit(0);
	}

	function task_sig_unknown($signo)
	{
	//Signal handler for the other unknown signals sent by shell or user.
	print " [unknown signal $signo ignored] "; // do nothing
	}

	function task_update_progress($msg)
	{
	//Updates progress information in the BibSched task table.
	global $options;
	$query = "UPDATE schTASK SET progress='".mysql_escape_string($msg)."' where id=".$options['TASKRUN'];
	mysql_perform_query($query);
	}

	function task_update_state($val)
	{
	//Updates state information in the BibSched task table.
	global $options;
	$query = "UPDATE schTASK SET status='".mysql_escape_string($val)."' where id=".$options['TASKRUN'];
	mysql_perform_query($query);
	}

	function task_get_state()
	{
	//Retrieve state information in the BibSched task table.
	global $options;
	$query = "SELECT status from schTASK WHERE id=".$options['TASKRUN'];
	$res = mysql_perform_query($query);
	$row = mysql_fetch_row($res);

	return $row[0];
	}

	function task_get_progress()
	{
	//Retrieve state information in the BibSched task table.
	global $options;
	$query = "SELECT progress from schTASK WHERE id=".$options['TASKRUN'];
	$res = mysql_perform_query($query);
	$row = mysql_fetch_row($res);
	$progress = ereg_replace("Done (.) out of .","\\1",$row[0]);

	return $progress;
	}

	function task_get_options($id)
	{
	//Returns options for the task 'id' read from the BibSched task
	//queue table.
	global $errorfp;

	$out = array();
	$query = "SELECT arguments FROM schTASK WHERE id=$id AND proc='bibupload'";
	$res = mysql_perform_query($query);
	$row = mysql_fetch_row($res);
	if ($row) {
	$out = unserialize($row[0]);
	}
	else{
	fwrite($errorfp,"Error: BibUpload task #$id does not seem to exist.\n");
	exit(1);
	}
	return $out;
	}

	//////////////////////////////////////////////////////////////////////
	// STRUCTURE CLASSES
	// A MARC XML record is composed of some data fields elements which
	// may in turn contain subfields.
	// A record starts with "<record>" and ends with "</record>
	//////////////////////////////////////////////////////////////////////

	class subfield {
	// this class stores the subfield items

	var $subfieldcode; // type
	var $value; // value
	var $position; // position

	// constructor
	function subfield($param1=null, $param2=null, $param3=null) {
	global $currentfield;
	global $errorfp;

	$numargs = func_num_args();
	$arg_list = func_get_args();
	$args = "";
	for ($i=0; $i<$numargs; $i++) {
	if ($i != 0) {
	$args .= ", ";
	}

	$args .= "\$param" . ($i + 1);
	}

	// Call constructor function
	eval("\$this->constructor" . $i . "(" . $args . ");");
	}

	function constructor1($number)
	{
	global $currentfield;
	global $errorfp;
	global $validrec;

	$this->position = $number;
	$this->subfieldcode = $currentfield[attributes][CODE];

	if ($this->subfieldcode == "")
	$this->subfieldcode == "_";

	if ($currentfield[type] == "complete")
	$this->value = $currentfield[value];
	else
	{
	// get cdata
	getnexttag();
	if ($currentfield[tag]=="SUBFIELD" && $currentfield[type] == "cdata")
	{
	$this->value = $currentfield[value];
	getnexttag();
	}
	//close tag
	if ($currentfield[tag]!="SUBFIELD" \|\| $currentfield[type] != "close")
	{
	fwrite($errorfp,"subfield: ERROR! Bad XML file!\n");
	$validrec = false;
	}
	getnexttag();
	}
	}

	function constructor3($subfieldcode,$value,$position) {
	$this->position = $position;
	$this->subfieldcode = $subfieldcode;
	$this->value = $value;
	}
	}


	class field {
	// this class stores the field items

	var $type; // type (tag)
	var $i1; // indicator 1
	var $i2; // indicator 2
	var $value;
	var $subfields;
	var $nbsubfields;
	var $position;

	// constructor
	function field($param1=null, $param2=null, $param3=null, $param4=null, $param5=null, $param6=null) {
	global $currentfield;

	$numargs = func_num_args();
	$arg_list = func_get_args();
	$args = "";
	for ($i=0; $i<$numargs; $i++) {
	if ($i != 0) {
	$args .= ", ";
	}

	$args .= "\$param" . ($i + 1);
	}

	// Call constructor function
	eval("\$this->constructor" . $i . "(" . $args . ");");
	}

	function constructor1($nbfield)
	{
	global $currentfield;

	$this->position = $nbfield;
	$this->type = $currentfield[attributes][TAG];
	$this->i1 = strtoupper($currentfield[attributes][IND1]);
	$this->i2 = strtoupper($currentfield[attributes][IND2]);
	if (ereg_replace("[ \n\r\t]+","",$this->i1) == "") { $this->i1 = "_"; }
	if (ereg_replace("[ \n\r\t]+","",$this->i2) == "") { $this->i2 = "_"; }
	$this->nbsubfields = 0;

	if ($currentfield[type] == "complete")
	{
	$this->value = $currentfield[value];
	getnexttag();
	}
	else
	{
	getnexttag();

	while (($currentfield[tag] == "SUBFIELD" \|\|
	($currentfield[tag] == "CONTROLFIELD" &&
	$currentfield[type] == "cdata") \|\|
	($currentfield[tag] == "DATAFIELD" &&
	$currentfield[type] == "cdata")))
	{
	if (($currentfield[tag] == "CONTROLFIELD" &&
	$currentfield[type] == "cdata") \|\|
	($currentfield[tag] == "DATAFIELD" &&
	$currentfield[type] == "cdata"))
	$this->value = $currentfield[value];
	else
	{
	$this->subfields[$this->nbsubfields] = new subfield(
	$this->nbsubfields);
	$this->nbsubfields ++;
	}
	getnexttag();
	}
	}
	}

	function constructor6($position,$type,$i1,$i2,$subfieldcode,$value) {
	$this->position = $position;
	$this->type = $type;
	$this->i1 = $i1;
	$this->i2 = $i2;
	$this->nbsubfields = 1;
	$this->subfields[0] = new subfield($subfieldcode,$value,0);
	}

	function get_subfield($subfieldcode)
	{
	$subfieldcode = strtolower($subfieldcode);

	$j=0;
	while (strtolower($this->subfields[$j]->subfieldcode) != "$subfieldcode"
	&& $j <= $this->nbsubfields)
	$j++;
	if ($j == $this->nbsubfields)
	return 0;
	else
	return $this->subfields[$j]->value;
	}
	}


	class record {
	// this class stores the record items

	var $fields; // contains all fields
	var $recid; // system number: 000 if new
	var $nbfields; // number of fields


	// Constructor
	function record()
	{
	global $currentfield;
	global $errorfp;
	global $validrec;

	$this->nbfields = 0;

	getnexttag();

	while ( $currentfield[tag] != "CONTROLFIELD"
	&& $currentfield[tag] != "DATAFIELD"
	&& $currentfield != NULL) {
	getnexttag();
	}

	while ($currentfield[tag] == "CONTROLFIELD" \|\| $currentfield[tag] == "DATAFIELD")
	{
	// If system number
	if ($currentfield[attributes][TAG] == "001")
	{
	$this->recid = $currentfield[value];
	getnexttag();
	if ($this->recid == "")
	$this->recid = "000";
	}
	else if ($currentfield[type] != "close")
	{
	$this->fields[$this->nbfields] = new field($this->nbfields);
	$this->nbfields ++;
	}
	else if ($currentfield[type] == "close")
	getnexttag();
	else
	{
	fwrite($errorfp,"field: ERROR! Bad XML file!\n");
	$validrec = false;
	}
	}

	if ($this->recid == "")
	$this->recid = "000";

	}


	function get_field($tag,$i1,$i2)
	{
	$j=0;
	while ((($this->fields[$j]->type != "$tag") \|\|
	($this->fields[$j]->i1 != "$i1") \|\|
	($this->fields[$j]->i2 != "$i2")) && ($j <= ($this->nbfields)))
	$j++;
	if ($j == $this->nbfields)
	return 0;
	else
	return $this->fields[$j];
	}

	function get_subfield($tag,$i1,$i2,$subfieldcode)
	{
	global $errorfp;

	$i1 = strtolower($i1);
	$i2 = strtolower($i2);
	$subfieldcode = strtolower($subfieldcode);
	$tag = strtolower($tag);

	$j=0;
	$found = 0;
	while (!$found && ($j <= $this->nbfields))
	{
	if ($this->fields[$j] &&
	strtolower($this->fields[$j]->type) == "$tag" &&
	strtolower($this->fields[$j]->i1) == "$i1" &&
	strtolower($this->fields[$j]->i2) == "$i2")
	{
	if ($this->fields[$j]->get_subfield($subfieldcode)) {
	$found = $this->fields[$j]->get_subfield($subfieldcode);
	}
	}
	$j++;
	}

	return $found;
	}
	}



	//////////////////////////////////////////////////////////////////////
	// TREATMENT FUNCTIONS
	//////////////////////////////////////////////////////////////////////

	// from an array passed as parameter, this function returns a
	// comma-separated list of all elements in the array
	function createTextFromArray($array)
	{
	reset($array);
	$text = "(''";
	while (list($key,$value) = each($array)) {
	$text .= ",'".$value."'";
	}
	$text .= ")";
	return $text;
	}

	// This function gets the next available field number for
	// a given table name, and a given record id
	function getNextFieldNumber($tablename,$recid)
	{
	global $maxfieldno,$options;

	if ($maxfieldno[$tablename] != "") {
	$maxfieldno[$tablename] = $maxfieldno[$tablename] + 1;
	$field_number = $maxfieldno[$tablename];
	}
	else {
	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT MAX(field_number)
	FROM bibrec_$tablename
	WHERE id_bibrec=$recid");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select MAX(field_number) from ".
	"bibrec_$tablename where id_bibrec=$recid\n";
	$row = mysql_fetch_row($res);
	$maxfieldno[$tablename] = $row[0]+1;
	$field_number = $maxfieldno[$tablename];
	}
	return $field_number;
	}

	function mysql_perform_query($query, $behaviour="continue") {
	global $errorfp, $sock, $mysql_machine, $mysql_docid, $mysql_docpw, $mysql_dbname;

	// connect to mysql
	$sock = @mysql_connect("${mysql_machine}","${mysql_docid}","${mysql_docpw}");
	while (!$sock) {
	sleep(1);
	$sock = @mysql_connect("${mysql_machine}","${mysql_docid}","${mysql_docpw}");
	mysql_select_db("${mysql_dbname}") or die("Sorry, cannot choose ".${mysql_dbname}." database. Please try later.\n");
	}

	$result = mysql_query($query);
	if (!$result) {
	fwrite($errorfp, "\nMySQL: could not execute your query:\n $query" .
	"\nContact $supportemail." .
	"\nError " . mysql_errno() . ": " . mysql_error() . ".\n");
	if ($behaviour == "die"){
	exit(0);
	}
	}

	return $result;
	}

	function getnexttag()
	{
	global $i; // current position in the structure
	global $index; // structure containing the XML
	global $currentfield;
	global $nbTags;

	// this function retrieves the next valuable field (one of "record"
	// "controlfield", "datafield" or "subfield")

	//get next tag
	$i++;

	while ($index[$i][tag] != "RECORD" &&
	$index[$i][tag] != "CONTROLFIELD" &&
	$index[$i][tag] != "DATAFIELD" &&
	$index[$i][tag] != "SUBFIELD" && $i <= $nbTags)
	$i++;

	if ($i <= $nbTags)
	$currentfield = $index[$i];
	else
	$currentfield = NULL;

	}



	function Test_In_DB($value,$tag,$table)
	{
	global $options, $mysql_dbname;

	$value = ereg_replace("^[\n\r\t ]*","",$value);
	$value = ereg_replace("[\r\n\t ]* $","",$value);
	$value = mysql_escape_string($value);

	mysql_select_db($mysql_dbname);
	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT id,value
	FROM $table
	WHERE value='$value' and
	tag='$tag'");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select id from $table where value='$value' and".
	" tag='$tag'\n";
	while ($arr = mysql_fetch_row($res))
	{
	if ($arr[1] == "$value") {
	$t1 = getmicrotime();
	$res2 = mysql_perform_query("
	SELECT id_bibrec
	FROM bibrec_".$table."
	WHERE id_bibxxx=".$arr[0]);
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select id_bibrec from bibrec_".$table.
	" where id_bibxxx=".$arr[0]."\n";
	$result = mysql_fetch_row($res2);
	return $result[0];
	}
	}

	return 0;
	}


	function insert($rec,$logfp)
	{
	global $WORDFILEJOB,$options;

	//create the bibrec
	$now = strftime("%Y-%m-%d %H:%M:%S");
	$cd = $now;
	$md = $now;

	$t1 = getmicrotime();
	mysql_perform_query("
	INSERT
	INTO bibrec (creation_date,modification_date)
	values('$cd','$md')");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." insert into bibrec (creation_date,modification_date)".
	" values('$cd','$md')\n";

	#get the created item id
	$recid = mysql_insert_id();

	#for each field
	$nbfields = $rec->nbfields;
	for ($j=0;$j<$nbfields;$j++)
	{
	if ($rec->fields[$j])
	{
	$position = $j + 1;
	$field = $rec->fields[$j];
	$tag = $field->type;
	$i1 = $field->i1;
	$i2 = $field->i2;
	$tablenumber = substr($tag,0,2);
	$tablename = "bib" . $tablenumber . "x";

	// special treatment for the format field
	if ($tag == "FMT")
	{
	if ($field->subfields[1]->value != "")
	{
	$format = $field->subfields[0]->value;
	$value = mysql_escape_string(gzcompress($field->subfields[1]->value));
	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT id
	FROM bibfmt
	WHERE id_bibrec=$recid and
	format='$format'");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select id from bibfmt where".
	" id_bibrec=$recid and format='$format'\n";
	if (mysql_num_rows($res) != 0)
	{
	$t1 = getmicrotime();
	mysql_perform_query("
	UPDATE bibfmt
	SET format='$format',
	value='$value',
	last_updated=NOW()
	WHERE id_bibrec=$recid and
	format='$format'");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." update bibfmt set format='$format',".
	"value='$value', last_updated=NOW()".
	" where id_bibrec=$recid and format='$format'\n";
	}
	else
	{
	$t1 = getmicrotime();
	mysql_perform_query("
	INSERT
	INTO bibfmt(id_bibrec,format,value,last_updated)
	values ($recid,'$format','$value',NOW())");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." insert into bibfmt(id_bibrec,format,".
	"value, last_updated)values($recid,'$format','$value'," .
	"NOW())\n";
	}
	}
	else
	{
	$format = $field->subfields[0]->value;
	$t1 = getmicrotime();
	mysql_perform_query("
	DELETE
	FROM bibfmt
	WHERE id_bibrec=$recid and
	format='$format'");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." delete from bibfmt where id_bibrec=$recid".
	" and format='$format'\n";
	}
	}
	// we do not want field 001 to be integrated
	elseif ($tag != "001")
	{
	#main value
	if ($field->value != "")
	{
	$fulltag = "$tag${i1}${i2}_";
	$value = mysql_escape_string($field->value);
	insertfield($fulltag,$value,$tablename,$recid,$position,$logfp);
	}

	#sub fields
	$nbsubfields = $field->nbsubfields;
	for ($k=0;$k<$nbsubfields;$k++)
	{
	$subfield = $field->subfields[$k];
	$subfieldcode = $subfield->subfieldcode;
	if ($subfield->value != "")
	{
	$fulltag = "$tag$i1$i2$subfieldcode";
	$value = mysql_escape_string($subfield->value);
	insertfield($fulltag,$value,$tablename,$recid,$position,$logfp);
	}
	}
	}
	}
	}

	// insert xml full format
	insertFMTfield($recid,$rec);

	if (!$options['MUTE']) {
	print "inserted. [$recid]\n";
	}
	}



	function deletefield($recid,$fulltag,$tablename,$logfp)
	{
	global $strongtags,$options,$mysql_server_version;

	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT DISTINCT field_number
	FROM bibrec_$tablename,
	$tablename
	WHERE id_bibxxx = id and
	id_bibrec=$recid and
	tag LIKE '$fulltag'");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select DISTINCT field_number from bibrec_$tablename,$tablename".
	" where id_bibxxx = id and id_bibrec=$recid and tag LIKE '$fulltag'\n";
	while ($row = mysql_fetch_row($res)) {
	// delete main value + subfields
	$t1 = getmicrotime();
	if (strcmp($mysql_server_version, "4.0") < 0) {
	$res2 = mysql_perform_query("
	SELECT id_bibxxx
	FROM bibrec_$tablename,
	$tablename
	WHERE id_bibrec=$recid and
	field_number=$row[0] and
	id_bibxxx=id and
	tag NOT IN ".createTextFromArray($strongtags));
	while ($row2 = mysql_fetch_row($res2)) {
	mysql_perform_query("
	DELETE
	FROM bibrec_$tablename
	WHERE id_bibrec=$recid and
	id_bibxxx=$row2[0] and
	field_number = $row[0]");
	}
	} else {
	mysql_perform_query("
	DELETE
	FROM bibrec_$tablename
	USING bibrec_$tablename,
	$tablename
	WHERE id_bibrec=$recid and
	field_number=$row[0] and
	id_bibxxx=id and
	tag NOT IN ".createTextFromArray($strongtags));
	}
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." delete from bibrec_$tablename using bibrec_$tablename, ".
	" $tablename where id_bibrec=$recid and field_number=$row[0] and ".
	"id_bibxxx=id and tag NOT IN ".createTextFromArray($strongtags)."\n";
	}
	}



	function update($rec,$recid,$logfp)
	{
	global $WORDFILEJOB,$strongtags,$options,$maxfieldno;
	global $errorfp;

	$now = strftime("%Y-%m-%d %H:%M:%S");
	$md = $now;

	// firstly check whether this 'id' exists in the bibrec table:
	$res = mysql_perform_query("SELECT COUNT(*) FROM bibrec WHERE id=$recid\n");
	$row = mysql_fetch_row($res);
	if ($row[0] == 0) {
	if (!$options['MUTE']) {
	fwrite($errorfp,"update error. [record $recid does not exist]\n");
	}
	return;
	}
	mysql_free_result($res);

	// update the modification datetime field
	// if we don't have only FMT fields inside the record
	$onlyFMT = true;
	for ($j=0;$j<$rec->nbfields;$j++) {
	if ($rec->fields[$j] && $rec->fields[$j]->type != "FMT") {
	$onlyFMT = false;
	}
	}
	if (!$onlyFMT && !$options['FORMAT'] && !$options['NOTIMECHANGE']) {
	$t1 = getmicrotime();
	mysql_perform_query("
	UPDATE bibrec
	SET modification_date='$md'
	WHERE id=$recid\n");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." update bibrec set modification_date='$md',".
	" where id=$recid\n";
	}

	if ($options['HBFMTUPDATE']) {
	mysql_perform_query("
	UPDATE bibfmt
	SET last_updated='1970-01-01 00:00:00'
	WHERE id_bibrec=$recid and
	format='hb'\n");
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." update bibfmt set last_updated='1970-01-01 00:00:00',".
	" where id_bibrec=$recid and format='hb'\n";
	}

	// then if this is a replace, we retrieve the existing 964__a field (holdings) and adds it to the record
	if($options['REPLACE'] && !$onlyFMT) {
	$sql = "
	SELECT id,value
	FROM bib96x,
	bibrec_bib96x
	WHERE id=id_bibxxx and
	id_bibrec=$recid and
	tag='964__a'
	LIMIT 1";
	$res = mysql_perform_query($sql);
	if ($row = mysql_fetch_row($res)) {
	$value = $row[1];
	$rec->fields[$rec->nbfields] = new field($rec->nbfields,"964","_","_","a",$value);
	$rec->nbfields ++;
	}
	}

	$nbfields = $rec->nbfields;

	if ($options['CORRECT']) {
	// delete each found field
	for ($j=0;$j<$nbfields;$j++) {
	$field = $rec->fields[$j];
	$tag = $field->type;
	$i1 = $field->i1;
	$i2 = $field->i2;
	$tablenumber = substr($tag,0,2);
	$tablename = "bib" . $tablenumber . "x";
	$nbsubfields = $field->nbsubfields;
	for ($k=0;$k<$nbsubfields;$k++) {
	$subfield = $field->subfields[$k];
	$subfieldcode = $subfield->subfieldcode;
	$fulltag = "$tag$i1$i2$subfieldcode";
	if ($tag != "FMT") {
	if (!$options['REF'] \|\| $tag == "999")
	deletefield($recid,$fulltag,$tablename,$logfp);
	}
	}
	}
	// delete the xml format
	deletexmformat($recid);
	}
	if ($options['APPEND']) {
	// delete the xml format
	deletexmformat($recid);
	}

	if($options['REPLACE'] && !$onlyFMT) {
	for ($i=0;$i<100;$i++) {
	deletefield($recid,"%","bib".($i<10 ? "0$i" : "$i")."x",$logfp);
	}
	}

	// insert each found field
	for ($j=0;$j<$nbfields;$j++) {
	if ($rec->fields[$j]) {
	$fieldnumber = -1;
	$field = $rec->fields[$j];
	$tag = $field->type;
	$i1 = $field->i1;
	$i2 = $field->i2;
	$tablenumber = substr($tag,0,2);
	$tablename = "bib" . $tablenumber . "x";
	$fulltag = "$tag$i1${i2}_";

	if ($tag == "FMT") {
	if ($field->subfields[1]->value != "") {
	$format = $field->subfields[0]->value;
	$value = mysql_escape_string(gzcompress($field->subfields[1]->value));
	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT id
	FROM bibfmt
	WHERE id_bibrec=$recid and
	format='$format'");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select id from bibfmt where ".
	"id_bibrec=$recid and format='$format'\n";
	if (mysql_num_rows($res) != 0) {
	$t1 = getmicrotime();
	mysql_perform_query("
	UPDATE bibfmt
	SET format='$format',
	value='$value',
	last_updated=NOW()
	WHERE id_bibrec=$recid and
	format='$format'");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." update bibfmt set format='$format',".
	"value='$value', last_updated=NOW()".
	" where id_bibrec=$recid and format='$format'\n";
	}
	else {
	$t1 = getmicrotime();
	mysql_perform_query("
	INSERT
	INTO bibfmt(id_bibrec,format,value,last_updated)
	values($recid,'$format','$value',NOW())");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." insert into bibfmt(id_bibrec,format,".
	"value, last_updated)values($recid,'$format','$value', NOW())\n";
	}
	}
	else {
	$format = $field->subfields[0]->value;
	$t1 = getmicrotime();
	$res = mysql_perform_query("
	DELETE
	FROM bibfmt
	WHERE id_bibrec=$recid and
	format='$format'");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." delete from bibfmt where id_bibrec=$recid".
	" and format='$format'\n";
	}
	}

	else if (!$options['FORMAT']) {
	if (!$options['REF'] \|\| $tag=="999") {
	// main value
	if ($field->value != "") {
	$fieldnumber = getNextFieldNumber($tablename,$recid);
	$value = mysql_escape_string($field->value);
	insertfield($fulltag,$value,$tablename,$recid,
	$fieldnumber,$logfp);
	}

	// sub fields
	$nbsubfields = $field->nbsubfields;
	for ($k=0;$k<$nbsubfields;$k++) {
	$subfield = $field->subfields[$k];
	$subfieldcode = $subfield->subfieldcode;
	$fulltag = "$tag$i1$i2$subfieldcode";
	if ($subfield->value != "") { // got rid of and !in_array($fulltag,$strongtags)
	if ($fieldnumber == "-1")
	$fieldnumber = getNextFieldNumber($tablename,$recid);
	$value = mysql_escape_string($subfield->value);
	insertfield($fulltag,$value,$tablename,$recid,
	$fieldnumber,$logfp);
	}
	}
	}
	}
	}
	}

	if($options['REPLACE'] && !$onlyFMT) {
	// insert xml full format
	insertFMTfield($recid,$rec);
	}

	if (!$options['MUTE']) {
	print "updated. [$recid]\n";
	}
	}


	function deletexmformat($recid)
	{
	$res = mysql_perform_query("delete from bibfmt where id_bibrec=$recid and format='xm'");
	}


	function insertFMTfield($recid,$rec)
	{
	global $xml,$options;

	$field964 = $rec->get_field("964","_","_");
	if ($field964 != 0) {
	$value964 = $field964->get_subfield("a");
	$xml = ereg_replace("<record([^>]*)>","<record\\1>
	<datafield tag=\"964\" ind1=\"\" ind2=\"\">
	<subfield code=\"a\">$value964</subfield>
	</datafield>",$xml);
	}

	if ($recid != "000" && $recid != "") {
	// get rid of existing 001
	$xml = ereg_replace("<controlfield tag=\"001\">[^<]*</controlfield>","",$xml);
	// add sysno to xml record
	$xml = ereg_replace("<record([^>]*)>","<record\\1>
	<controlfield tag=\"001\">$recid</controlfield>",$xml);
	}

	$format = "xm";
	$value = mysql_escape_string(gzcompress($xml));
	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT id
	FROM bibfmt
	WHERE id_bibrec=$recid and
	format='xm'");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select id from bibfmt where ".
	"id_bibrec=$recid and format='xm'\n";
	if (mysql_num_rows($res) != 0) {
	$t1 = getmicrotime();
	mysql_perform_query("
	UPDATE bibfmt
	SET format='xm',
	value='$value',
	last_updated=NOW()
	WHERE id_bibrec=$recid and
	format='xm'");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." update bibfmt set format='xm',".
	"value='$value', last_updated=NOW() where id_bibrec=$recid and ".
	"format='xm'\n";
	}
	else {
	$t1 = getmicrotime();
	mysql_perform_query("
	INSERT
	INTO bibfmt(id_bibrec,format,value,last_updated)
	values($recid,'xm','$value',NOW())");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." insert into bibfmt(id_bibrec,format,".
	"value,last_updated)values($recid,'xm','$value',NOW())\n";
	}
	}






	function insertfield($fulltag,$value,$tablename,$recid,$position,$logfp)
	{
	global $options,$errorfp;

	$t1 = getmicrotime();
	$res = mysql_perform_query("
	SELECT id,value
	FROM $tablename
	WHERE tag='$fulltag' and
	value='$value'");

	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print ($t2-$t1)." select id from $tablename where tag='$fulltag' and".
	" value='$value'\n";

	if (!$res)
	fwrite($errorfp, "failed query: select id from $tablename where tag='$fulltag' ".
	"and value='$value'\n");

	# if an entry already exists with this couple tag/value
	$found = false;
	while (!$found && $row = mysql_fetch_row($res)) {
	if ($row[1] == "$value") {
	$found = true;
	$idbibxxx = $row[0];
	}
	}

	if (!$found)
	{
	#create
	$t1 = getmicrotime();
	$query = "INSERT INTO $tablename (tag,value) VALUES ('$fulltag','$value')";
	if ($options['PRINTDB'])
	print "Query: $query ... \n";
	mysql_perform_query($query);
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print " Query took: ".($t2-$t1)." seconds.\n";
	#get the id back
	$idbibxxx = mysql_insert_id();
	}

	#then create the bibrec_bibxxx entry with position number
	$t1 = getmicrotime();
	$query = "INSERT INTO bibrec_$tablename VALUES ($recid,$idbibxxx,$position)";
	if ($options['PRINTDB'])
	print "Query: $query ...\n";
	mysql_perform_query($query);
	$t2 = getmicrotime();
	if ($options['PRINTDB'])
	print " Query took: ".($t2-$t1)." seconds.\n";
	}







	function display($rec)
	{
	global $nbRecords,$options;

	#for each field
	$nbfields = $rec->nbfields;
	print "\n\nRecord $nbRecords: $nbfields fields\n";

	for ($j=0;$j<=$nbfields;$j++)
	{
	if ($rec->fields[$j])
	{
	$field = $rec->fields[$j];
	$tag = $field->type;
	$i1 = $field->i1;
	$i2 = $field->i2;
	$tablenumber = substr($tag,0,2);
	$tablename = "bib" . $tablenumber . "x";

	print "field $j: $tag$i1$i2\n";

	#main value
	if ($field->value != "")
	{
	$fulltag = "$tag${i1}${i2}_";
	$value = $field->value;
	print " main value: $value\n";
	}

	#sub fields
	$nbsubfields = $field->nbsubfields;
	if ($nbsubfields != 0)
	{
	for ($k=0;$k<$nbsubfields;$k++)
	{
	$subfield = $field->subfields[$k];
	$subfieldcode = $subfield->subfieldcode;
	print " subfield $k: ($subfieldcode) " .
	$subfield->value . "\n";
	}
	}
	}
	}
	}


	function integrate ($rec)
	{
	global $nbRecords, $nbUpdatedRecords, $nbInsertedRecords, $nbErrorRecords, $xml, $options;
	global $errorfp;

	// get sysno
	$recid = $rec->recid;

	// display record name
	if (!$options['MUTE']) {
	print ("Record #".($nbRecords+1)." ");
	}

	// no record matching the main criteria was found
	if ($recid == "000") {
	// test on A500 system number
	$oldsysno = strtoupper($rec->get_subfield("970","_","_","a"));
	$oldsysnoExists = Test_In_DB($oldsysno,"970__a","bib97x");
	if ($oldsysnoExists)
	$recid = $oldsysnoExists;
	// if still not found and options['REF'] is found, we check against
	// the 037 tag
	if ($recid == "000" && $options['REF']) {
	$myfield = $rec->get_subfield("037","_","_","a");
	$myfieldExists = Test_In_DB($myfield,"037__a","bib03x");
	if (!$myfieldExists)
	$myfieldExists = Test_In_DB($myfield,"088__a","bib08x");
	if (!$myfieldExists)
	$myfieldExists = Test_In_DB($myfield,"088__9","bib08x");
	if ($myfieldExists)
	$recid = $myfieldExists;
	}
	if ($recid != "000") {
	// a record matching the additional criteria was found
	if ($options['DISPLAY'])
	display($rec);
	update($rec,$recid,$logfp);
	$nbUpdatedRecords++;
	}
	else {
	// no matching record was found
	if ($options['DISPLAY'])
	display($rec);
	if (!$options['FORMAT']) {
	if (!$options['INSERT']) {
	fwrite($errorfp,"Error: Cannot update record. Record not found\n");
	fwrite($errorfp,$xml."\n");
	$nbErrorRecords++;
	print (" [Error]\n");
	}
	else {
	insert($rec,$logfp);
	$nbInsertedRecords++;
	}
	}
	}
	}
	else {
	// this is an update
	if ($options['DISPLAY'])
	display($rec);
	update($rec,$recid,$logfp);
	$nbUpdatedRecords++;
	}
	}

	function get_next_record($fp)
	{
	global $options;

	static $line = ""; // needed static so as to preserve line between successive calls to get_next_record()
	$xmlrecord = "";

	// get begining of next record
	$line = stristr($line,"</record"); // useful if there were more records in the same line
	while (!stristr($line,"<record") && !feof($fp))
	$line = fgets($fp, 4096);

	// if the end of the file is reached without finding any record
	if (feof($fp))
	return "";

	// get full record
	$line = stristr($line,"<record"); // continue after the above "<record" match only
	$xmlrecord = $line;
	while (!stristr($line,"</record>") && !feof($fp))
	{
	$line = fgets($fp, 4096);
	$xmlrecord .= ereg_replace("<record.*","",$line); // get rid of the beginning of the next record, if any
	}

	return $xmlrecord;
	}


	function getmicrotime()
	{
	list($usec, $sec) = explode(" ",microtime());
	return ((float)$usec + (float)$sec);
	}

	function formatfield($field)
	{
	return $field; # FIXME: the real body function below switched off since it apparently breaks UTF-8
	// whatever character encoding in input, we want UTF8 in output
	// to check if the file is Latin-1, we use the fact that there
	// is a loss when you utf8_decode a latin-1 string
	if ($field != utf8_encode(utf8_decode($field))) {
	$field = utf8_encode($field);
	}

	return $field;
	}


	function parse_command($argv)
	{
	global $options,$errorfp;

	$options['TASKRUN'] = FALSE;
	$options['DISPLAY'] = FALSE;
	$options['PRINTDB'] = FALSE;
	$options['MUTE'] = FALSE;
	$options['INSERT'] = FALSE;
	$options['REPLACE'] = FALSE;
	$options['APPEND'] = FALSE;
	$options['CORRECT'] = FALSE;
	$options['FORMAT'] = FALSE;
	$options['REF'] = FALSE;
	$options['NOTIMECHANGE'] = FALSE;
	$options['HBFMTUPDATE'] = FALSE;
	$options['USER'] = "";
	$options['DATE'] = "";
	$verbosity = 1;

	$i = 1;
	if (count($argv) < 2)
	{
	fwrite($errorfp, "Bad parameter count!\n");
	displayhelp();
	exit;
	}
	elseif (count($argv) == 2 && $argv[1] == strval(intval($argv[1])))
	{
	$options['TASKRUN'] = $argv[1];
	return;
	}
	else
	{
	while (substr($argv[$i],0,1) == "-")
	{
	if ($argv[$i] == "-h" \|\| $argv[$i] == "--help")
	{
	displayhelp();
	exit;
	}
	if ($argv[$i] == "-V" \|\| $argv[$i] == "--version")
	{
	displayversion();
	exit;
	}
	else if ($argv[$i] == "-u" \|\| $argv[$i] == "--user") {
	$i++;
	$options['USER'] = $argv[$i];
	}
	else if ($argv[$i] == "-t" \|\| $argv[$i] == "--time") {
	$i++;
	$options['DATE'] = $argv[$i];
	}
	else if ($argv[$i] == "-v" \|\| $argv[$i] == "--verbose") {
	$i++;
	$verbosity = $argv[$i];
	}
	else if ($argv[$i] == "-r" \|\| $argv[$i] == "--replacerecord" )
	$options['REPLACE'] = TRUE;
	else if ($argv[$i] == "-a" \|\| $argv[$i] == "--appendfield")
	$options['APPEND'] = TRUE;
	else if ($argv[$i] == "-c" \|\| $argv[$i] == "--correctfield")
	$options['CORRECT'] = TRUE;
	else if ($argv[$i] == "-f" \|\| $argv[$i] == "--format")
	$options['FORMAT'] = TRUE;
	else if ($argv[$i] == "-n" \|\| $argv[$i] == "--notimechange")
	$options['NOTIMECHANGE'] = TRUE;
	else if ($argv[$i] == "-b" \|\| $argv[$i] == "--brieffmtupdate")
	$options['HBFMTUPDATE'] = TRUE;
	else if ($argv[$i] == "-i" \|\| $argv[$i] == "--insertrecord")
	$options['INSERT'] = TRUE;
	else if ($argv[$i] == "-z" \|\| $argv[$i] == "--ref") {
	$options['CORRECT'] = TRUE;
	$options['REF'] = TRUE;
	}
	else
	{
	fwrite($errorfp, "Unrecognized option " . $argv[$i] . "!\n");
	displayhelp();
	exit;
	}
	$i++;
	}
	}

	if ($verbosity == 0)
	$options['MUTE'] = TRUE;
	if ($verbosity > 1)
	$options['DISPLAY'] = TRUE;
	if ($verbosity > 2)
	$options['PRINTDB'] = TRUE;

	if ($options['USER'] == "")
	$options['USER'] = "nobody";

	if (!$options['APPEND'] && !$options['REPLACE'] && !$options['FORMAT'] && !$options['CORRECT'] && !$options['INSERT']) {
	fwrite($errorfp, "\nPlease specify at least one update/insert mode!\n\n");
	exit;
	}


	if ( $options['REPLACE'] + $options['APPEND'] + $options['CORRECT'] + $options['FORMAT'] > 1 ) {
	fwrite($errorfp, "\nYou can only specify ONE update mode!\n\n");
	exit;
	}

	if ( $options['APPEND'] + $options['CORRECT'] + $options['FORMAT'] + $options['INSERT'] > 1 ) {
	fwrite($errorfp, "\nINSERT mode can only be mixed with REPLACE update mode!\n\n");
	exit;
	}

	$options['recordfiles'] = array_slice($argv, $i);
	if (!count($options['recordfiles']))
	{
	fwrite($errorfp, "\nMissing filename!\n\n");
	displayhelp();
	exit;
	}
	}

	function displayversion()
	{
	global $__version__;
	print $__version__."\n";
	}

	function displayhelp()
	{
	global $errorfp;

	fwrite($errorfp, "Usage: bibupload [options] file1.xml [file2.xml ...]
	Uploads xml records in the bibliographical database.
	Bibupload first tries to match the xml record with an existing one.
	o If the match succeeds and an update mode is selected, the matched record
	is updated
	o If the match succeeds and no update mode is selected, an error occurs
	o If the match fails and an insert mode is selected, the record is added as new
	o If the match fails and no insert mode is selected, an error occurs
	Options:
	-h, --help print this help
	-V, --version print version information
	-u, --user choose user
	-v, --verbose verbosity level (0=mute, 1=default info msg,
	2=display record analysis, 3=display integration requests,
	9=max information)
	-n, --notimechange
	do not change record last modification date when updating
	-b, --brieffmtupdate
	force brief format recreation at next reformatting
	(sets bibfmt hb last_update to 1970)
	-t, --time sets date/time of execution (format 'yyyy-mm-dd hh:mm:ss')
	INSERT Mode
	-i, --insertrecord unmatched records are added as new.
	this can be mixed with -r.
	UPDATE Modes:
	-r, --replacerecord the existing record is entirely replaced by the new one
	-a, --appendfield new fields are appended to the existing record
	-c, --correctfield fields are replaced by the new ones in the existing
	record
	-f, --format takes only the FMT fields into account. Does not update
	the modification stamp either.
	-z, --ref update references (update only 999 fields and check 037 field
	against both 037 and 088.)
	Example:
	./bibupload -t '2004-10-24 05:00' -i toto.xml\n");
	}


	function task_run()
	{
	global $maxfieldno,$index,$options,$xml,$nbTags,$nbUpdatedRecords,$nbInsertedRecords,$nbErrorRecords, $nbRecords,$currentfield,$i,$stopstate,$sleepstate,$errorfp,$validrec;

	// read task options:
	$task_id = $options["TASKRUN"]; // remember task id
	$options = array();
	$options = task_get_options($task_id); // get options from BibSched task table
	$options["TASKRUN"] = $task_id;

	if (task_get_state() != "WAITING") {
	$progress = task_get_progress();
	}
	else {
	$progress = 0;
	}

	task_update_state("RUNNING");
	$starttime = getmicrotime();
	$vals = array();
	$nbRecords = 0;
	$totalrecs = 0;

	foreach ($options['recordfiles'] as $recordfile) {

	//open xml file
	$fp = @fopen("$recordfile","r");
	if (!$fp) {
	fwrite($errorfp, "Error: cannot localize and/or open file $recordfile for reading.\n");
	task_update_state("ERROR");
	exit(1);
	}
	else {
	$totalrecs += `grep "<record" $recordfile \| wc -l`;

	if (!$options['MUTE'])
	print "\nInput file: $recordfile\n";

	$xml = "";
	$xml = get_next_record($fp);

	while ($xml != "") {
	$i = 0;
	$validrec = true;

	$xml = formatfield($xml);
	// create XML structure
	$p = xml_parser_create();
	xml_parser_set_option($p, XML_OPTION_SKIP_WHITE, 1);
	xml_parse_into_struct($p,$xml,$index,$vals);
	xml_parser_free($p);
	$nbTags = count($index);

	// record creation
	$rec = new record();

	// start insertion where the program last stopped
	if ($nbRecords >= $progress) {
	if ($validrec) {
	integrate($rec);
	}
	else {
	$nbErrorRecords++;
	fwrite($errorfp,$xml."\n");
	}
	}

	unset($rec);
	unset($GLOBALS['maxfieldno']);

	$nbRecords++;
	$totalrecs = ereg_replace("[\t\n\r ]+","",$totalrecs);
	if ($nbRecords > $progress) {
	task_update_progress("Done ".$nbRecords." out of ".$totalrecs.".");
	}

	if ($stopstate) {
	task_sig_stop($stopstate);
	}
	if ($sleepstate) {
	task_sig_sleep($sleepstate);
	}

	$xml = get_next_record($fp);
	}

	fclose($fp);
	}
	}

	if(!$options['MUTE']) {
	print "\nIdentified: $nbRecords records\n";
	print "Updated: $nbUpdatedRecords records\n";
	print "Inserted: ".$nbInsertedRecords." records\n";
	print "Errors: ".$nbErrorRecords." records\n";

	$endtime = getmicrotime();
	$time = $endtime - $starttime;
	$meantreatment = ($nbRecords != 0 ? ($time/$nbRecords) : "-");
	print "in $time seconds\n";
	printf("Average record treatment time: %.2f seconds", $meantreatment);
	}

	if ($nbErrorRecords==0)
	task_update_state("DONE");
	else
	task_update_state("DONE WITH ERRORS");
	}




	///////////////////////////////////////////////////////////////////////
	// MAIN SCRIPT //
	///////////////////////////////////////////////////////////////////////

	$errorfp = fopen("php://stderr","w");

	pcntl_signal(SIGUSR1, "task_sig_sleep");
	pcntl_signal(SIGTSTP, "task_sig_sleep");
	pcntl_signal(SIGTERM, "task_sig_stop");
	pcntl_signal(SIGINT, "task_sig_stop");
	pcntl_signal(SIGABRT, "task_sig_suicide");
	pcntl_signal(SIGCONT, "task_sig_wakeup");

	$maxfieldno = array();
	$index = array();
	$options = array();
	$nbUpdatedRecords = 0;
	$nbInsertedRecords = 0;
	$nbErrorRecords = 0;
	$stopstate = 0;
	$sleepstate = 0;

	// Analyse of the command-line arguments
	// This program should take the path to the record file as parameter
	parse_command($argv);

	// connect to mysql
	$sock = @mysql_connect("${mysql_machine}","${mysql_docid}","${mysql_docpw}")
	or die("Sorry, cannot connect to SQL server.\nPlease try later.\n");
	mysql_select_db("${mysql_dbname}")
	or die("Sorry, cannot choose ".${mysql_dbname}." database. Please try later.\n");

	// detect MySQL server version
	$mysql_server_version = mysql_get_server_info();

	// do what is required:
	if ($options['TASKRUN']) {
	task_run();
	}
	else {
	task_submit();
	}
	?>

	</protect>

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