/**
* Test for PMA_checkTimeout
*
* @return void
*/
function testCheckTimeout()
{
global $timestamp, $maximum_time, $timeout_passed;
//Reinit values.
$timestamp = time();
$maximum_time = 0;
$timeout_passed = false;
$this->assertFalse(PMA_checkTimeout());
//Reinit values.
$timestamp = time();
$maximum_time = 0;
$timeout_passed = true;
$this->assertFalse(PMA_checkTimeout());
//Reinit values.
$timestamp = time();
$maximum_time = 30;
$timeout_passed = true;
$this->assertTrue(PMA_checkTimeout());
//Reinit values.
$timestamp = time() - 15;
$maximum_time = 30;
$timeout_passed = false;
$this->assertFalse(PMA_checkTimeout());
//Reinit values.
$timestamp = time() - 60;
$maximum_time = 30;
$timeout_passed = false;
$this->assertTrue(PMA_checkTimeout());
}
/**
* Returns next part of imported file/buffer
*
* @param integer size of buffer to read (this is maximal size
* function will return)
* @return string part of file/buffer
* @access public
*/
function PMA_importGetNextChunk($size = 32768)
{
global $import_file, $import_text, $finished, $compression, $import_handle, $offset, $charset_conversion, $charset_of_file, $charset, $read_multiply, $read_limit;
// Add some progression while reading large amount of data
if ($read_multiply <= 8) {
$size *= $read_multiply;
} else {
$size *= 8;
}
$read_multiply++;
// We can not read too much
if ($size > $read_limit) {
$size = $read_limit;
}
if (PMA_checkTimeout()) {
return FALSE;
}
if ($finished) {
return TRUE;
}
if ($import_file == 'none') {
// Well this is not yet supported and tested, but should return content of textarea
if (strlen($import_text) < $size) {
$finished = TRUE;
return $import_text;
} else {
$r = substr($import_text, 0, $size);
$offset += $size;
$import_text = substr($import_text, $size);
return $r;
}
}
switch ($compression) {
case 'application/bzip2':
$result = bzread($import_handle, $size);
$finished = feof($import_handle);
break;
case 'application/gzip':
$result = gzread($import_handle, $size);
$finished = feof($import_handle);
break;
case 'application/zip':
$result = substr($import_text, 0, $size);
$import_text = substr($import_text, $size);
$finished = empty($import_text);
break;
case 'none':
$result = fread($import_handle, $size);
$finished = feof($import_handle);
break;
}
$offset += $size;
if ($charset_conversion) {
return PMA_convert_string($charset_of_file, $charset, $result);
} else {
return $result;
}
}
/**
* Returns next part of imported file/buffer
*
* @param int $size size of buffer to read
* (this is maximal size function will return)
*
* @return string part of file/buffer
* @access public
*/
function PMA_importGetNextChunk($size = 32768)
{
global $compression, $import_handle, $charset_conversion, $charset_of_file, $read_multiply;
// Add some progression while reading large amount of data
if ($read_multiply <= 8) {
$size *= $read_multiply;
} else {
$size *= 8;
}
$read_multiply++;
// We can not read too much
if ($size > $GLOBALS['read_limit']) {
$size = $GLOBALS['read_limit'];
}
if (PMA_checkTimeout()) {
return false;
}
if ($GLOBALS['finished']) {
return true;
}
if ($GLOBALS['import_file'] == 'none') {
// Well this is not yet supported and tested,
// but should return content of textarea
if (mb_strlen($GLOBALS['import_text']) < $size) {
$GLOBALS['finished'] = true;
return $GLOBALS['import_text'];
} else {
$r = mb_substr($GLOBALS['import_text'], 0, $size);
$GLOBALS['offset'] += $size;
$GLOBALS['import_text'] = mb_substr($GLOBALS['import_text'], $size);
return $r;
}
}
switch ($compression) {
case 'application/bzip2':
$result = bzread($import_handle, $size);
$GLOBALS['finished'] = feof($import_handle);
break;
case 'application/gzip':
$result = gzread($import_handle, $size);
$GLOBALS['finished'] = feof($import_handle);
break;
case 'application/zip':
$result = mb_substr($GLOBALS['import_text'], 0, $size);
$GLOBALS['import_text'] = mb_substr($GLOBALS['import_text'], $size);
$GLOBALS['finished'] = empty($GLOBALS['import_text']);
break;
case 'none':
$result = fread($import_handle, $size);
$GLOBALS['finished'] = feof($import_handle);
break;
}
$GLOBALS['offset'] += $size;
if ($charset_conversion) {
return PMA_convertString($charset_of_file, 'utf-8', $result);
}
/**
* Skip possible byte order marks (I do not think we need more
* charsets, but feel free to add more, you can use wikipedia for
* reference: <http://en.wikipedia.org/wiki/Byte_Order_Mark>)
*
* @todo BOM could be used for charset autodetection
*/
if ($GLOBALS['offset'] == $size) {
// UTF-8
if (strncmp($result, "", 3) == 0) {
$result = mb_substr($result, 3);
// UTF-16 BE, LE
} elseif (strncmp($result, "þÿ", 2) == 0 || strncmp($result, "ÿþ", 2) == 0) {
$result = mb_substr($result, 2);
}
}
return $result;
}
/**
* Returns next part of imported file/buffer
*
* @param integer size of buffer to read (this is maximal size
* function will return)
* @return string part of file/buffer
* @access public
*/
function PMA_importGetNextChunk($size = 32768)
{
global $import_file, $import_text, $finished, $compression, $import_handle, $offset, $charset_conversion, $charset_of_file, $charset, $read_multiply, $read_limit;
// Add some progression while reading large amount of data
if ($read_multiply <= 8) {
$size *= $read_multiply;
} else {
$size *= 8;
}
$read_multiply++;
// We can not read too much
if ($size > $read_limit) {
$size = $read_limit;
}
if (PMA_checkTimeout()) {
return FALSE;
}
if ($finished) {
return TRUE;
}
if ($import_file == 'none') {
// Well this is not yet supported and tested, but should return content of textarea
if (strlen($import_text) < $size) {
$finished = TRUE;
return $import_text;
} else {
$r = substr($import_text, 0, $size);
$offset += $size;
$import_text = substr($import_text, $size);
return $r;
}
}
switch ($compression) {
case 'application/bzip2':
$result = bzread($import_handle, $size);
$finished = feof($import_handle);
break;
case 'application/gzip':
$result = gzread($import_handle, $size);
$finished = feof($import_handle);
break;
case 'application/zip':
$result = substr($import_text, 0, $size);
$import_text = substr($import_text, $size);
$finished = empty($import_text);
break;
case 'none':
$result = fread($import_handle, $size);
$finished = feof($import_handle);
break;
}
$offset += $size;
if ($charset_conversion) {
return PMA_convert_string($charset_of_file, $charset, $result);
} else {
// Skip possible byte order marks (I do not think we need more
// charsets, but feel free to add more, you can use wikipedia for
// reference: <http://en.wikipedia.org/wiki/Byte_Order_Mark>)
// @TODO: BOM could be used for charset autodetection
if ($offset == $size) {
// UTF-8
if (strncmp($result, "", 3) == 0) {
$result = substr($result, 3);
// UTF-16 BE, LE
} elseif (strncmp($result, "þÿ", 2) == 0 || strncmp($result, "ÿþ", 2) == 0) {
$result = substr($result, 2);
}
}
return $result;
}
}
