<?php
/**
@author : Johan Barbier <johan.barbier@gmail.com>
@Version : 2006/10/09
*/
class noTimeOut {
private $aProps = array (
'TYPE' => null,
'DB' => null,
'HOST' => null,
'LOGIN' => null,
'PWD' => null,
'QUERY' => null,
'DBSERVER' => null,
'FILE' => null,
'START' => null,
'LIMIT' => null,
'STEP' => null
);
private $aDbServers = array (
'MYSQL', 'MSSQL'
);
private $aTypes = array (
'DEFAULT', 'FILE_OCTET', 'FILE_PATTERN', 'FILE_LINE', 'DB'
);
public function __construct () {
// might be useful later
}
public function __set ($sType, $sVal) {
try {
if (!array_key_exists ($sType, $this -> aProps)) {
throw new Exception ($sType.' is not a valid property');
}
} catch (Exception $e) {
echo $e -> getMessage ();
}
try {
switch ($sType) {
case 'TYPE':
if (!in_array ($sVal, $this -> aTypes)) {
throw new Exception ($sVal.' is not a valid TYPE value');
}
break;
case 'FILE':
if (!file_exists ($sVal)) {
throw new Exception ('File '.$sVal.' has not been found');
}
break;
case 'DBSERVER':
if (!in_array ($sVal, $this -> aDbServers)) {
throw new Exception ('DB SERVER '.$sVal.' is not supported');
}
break;
default :
break;
}
$this -> aProps[$sType] = $sVal;
} catch (Exception $e) {
echo $e -> getMessage ();
}
}
private static function isNull () {
foreach (func_get_args() as $sArg) {
if (is_null ($sArg)) {
return false;
}
}
return true;
}
public function flushMe ($aWork = null) {
try {
if (is_null ($this -> aProps['TYPE'])) {
throw new Exception ('TYPE has not been defined');
}
} catch (Exception $e) {
echo $e -> getMessage ();
}
try {
switch ($this -> aProps['TYPE']) {
case 'DB':
if (false === self::isNull ($this -> aProps['DB'], $this -> aProps['HOST'], $this -> aProps['LOGIN'], $this -> aProps['PWD'], $this -> aProps['QUERY'], $this -> aProps['DBSERVER'], $this -> aProps['START'], $this -> aProps['STEP'])) {
throw new Exception ('DB properties have not been fully defined');
}
$mTmp = $this -> getDB ();
break;
case 'FILE_OCTET':
if (false === self::isNull ($this -> aProps['FILE'], $this -> aProps['START'], $this -> aProps['STEP'])) {
throw new Exception ('FILE properties have not been fully defined');
}
$mTmp = $this -> getFileOctet ();
break;
case 'DEFAULT':
if (false === self::isNull ($this -> aProps['START'], $this -> aProps['STEP'], $aWork)) {
throw new Exception ('DEFAULT properties have not been fully defined');
}
$mTmp = $this -> getDefault ($aWork);
break;
case 'FILE_PATTERN':
if (false === self::isNull ($this -> aProps['FILE'], $this -> aProps['START'], $this -> aProps['STEP'])) {
throw new Exception ('FILE properties have not been fully defined');
}
$mTmp = $this -> getFilePat ();
break;
case 'FILE_LINE':
if (false === self::isNull ($this -> aProps['FILE'], $this -> aProps['START'], $this -> aProps['STEP'])) {
throw new Exception ('FILE properties have not been fully defined');
}
$mTmp = $this -> getFileLine ();
break;
}
return $mTmp;
} catch (Exception $e) {
echo $e -> getMessage ();
}
}
private function getFilePat () {
$sTmp = '';
try {
if (false === ($fp = fopen ($this -> aProps['FILE'], 'r'))) {
throw new Exception ('Failed to open file : '.$this -> aProps['FILE']);
}
if ( -1 === (fseek ($fp, $this -> aProps['START'], SEEK_SET))) {
throw new Exception ('Failed to modify cursor on : '.$this -> aProps['FILE']);
}
while (false === ($iEnd = strpos ($sTmp, $this -> aProps['STEP'])) && !feof ($fp)) {
$sTmp .= @fgets ($fp, 1024);
}
$sTmp = substr ($sTmp, 0, $iEnd + strlen ($this -> aProps['STEP']));
@fclose ($fp);
} catch (Exception $e) {
echo $e -> getMessage ();
}
return $sTmp;
}
private function getDefault ($aWork) {
try {
if (!is_array ($aWork)) {
throw new Exception ('Parameter must be an array');
}
$aTmp = array ();
for ($i = $this -> aProps['START']; $i < $this -> aProps['START'] + $this -> aProps['STEP']; $i ++) {
if (isset ($aWork[$i])) {
$aTmp[] = $aWork[$i];
}
}
return $aTmp;
} catch (Exception $e) {
echo $e -> getMessage ();
}
}
private function getFileOctet () {
try {
$sTmp = '';
if (false === ($fp = fopen ($this -> aProps['FILE'], 'r'))) {
throw new Exception ('Failed to open file : '.$this -> aProps['FILE']);
}
if ( -1 === (@fseek ($fp, $this -> aProps['START'], SEEK_SET))) {
throw new Exception ('Failed to modify cursor on : '.$this -> aProps['FILE']);
}
if (false === ($sTmp .= @fread ($fp, $this -> aProps['STEP']))) {
throw new Exception ('Failed to read file : '.$this -> aProps['FILE']);
}
@fclose ($fp);
return $sTmp;
} catch (Exception $e) {
echo $e -> getMessage ();
}
}
private function getFileLine () {
$sTmp = '';
try {
if (false === ($fp = fopen ($this -> aProps['FILE'], 'r'))) {
throw new Exception ('Failed to open file : '.$this -> aProps['FILE']);
}
if ( -1 === (fseek ($fp, $this -> aProps['START'], SEEK_SET))) {
throw new Exception ('Failed to modify cursor on : '.$this -> aProps['FILE']);
}
$iEnd = 0;
while ($iEnd < $this -> aProps['STEP']) {
$sTmp .= @fgets ($fp);
$iEnd ++;
}
@fclose ($fp);
} catch (Exception $e) {
echo $e -> getMessage ();
}
return $sTmp;
}
private function getDB () {
$sDb = strtolower ($this -> aProps['DBSERVER']);
try {
$rLink = @call_user_func ($sDb.'_connect', $this -> aProps['HOST'], $this -> aProps['LOGIN'], $this -> aProps['PWD']);
if (false === $rLink) {
throw new Exception ('Failed to connect to host : '.$this -> aProps['HOST']);
}
if (false === (@call_user_func ($sDb.'_select_db', $this -> aProps['DB'], $rLink))) {
throw new Exception ('Failed to select database : '.$this -> aProps['DB']);
}
if (false === ($rRes = @call_user_func ($sDb.'_query', $this -> aProps['QUERY'], $rLink))) {
throw new Exception ('Query failed : '.$this -> aProps['QUERY']);
}
if (false === (@call_user_func ($sDb.'_data_seek', $rRes, $this -> aProps['START']))) {
throw new Exception ('Query failed : '.$this -> aProps['QUERY']);
}
$iCpt = 0;
$aTmp = array ();
while (($aRes = call_user_func ($sDb.'_fetch_assoc', $rRes)) && $iCpt < $this -> aProps['STEP']) {
$aTmp[] = $aRes;
$iCpt ++;
}
@call_user_func ($sDb.'_close', $rLink);
return $aTmp;
} catch (Exception $e) {
echo $e -> getMessage ();
}
}
}
?>
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