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clarification

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This commit is contained in:
Marc Delisle
2003-09-30 16:44:33 +00:00
parent 81f14fb9d9
commit a199e51025
141 changed files with 6636 additions and 2284 deletions
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70
export.php3
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@@ -39,6 +39,7 @@ if ($export_type == 'server') {
// Start with empty buffer
$dump_buffer = '';
$dump_buffer_len = 0;
// We send fake headers to avoid browser timeout when buffering
$time_start = time();
@@ -54,7 +55,7 @@ $time_start = time();
*/
function PMA_exportOutputHandler($line)
{
global $time_start;
global $time_start, $dump_buffer, $dump_buffer_len;
// Kanji encoding convert feature
if (function_exists('PMA_kanji_str_conv')) {
@@ -62,13 +63,44 @@ function PMA_exportOutputHandler($line)
}
// If we have to buffer data, we will perform everything at once at the end
if ($GLOBALS['buffer_needed']) {
$GLOBALS['dump_buffer'] .= $line;
$time_now = time();
if ($time_start >= $time_now + 30) {
$time_start = $time_now;
header('X-pmaPing: Pong');
} // end if
$dump_buffer .= $line;
if ($GLOBALS['onfly_compression']) {
$dump_buffer_len += strlen($dump_buffer);
if ($dump_buffer_len > $GLOBALS['memory_limit']) {
// as bzipped
if ($GLOBALS['output_charset_conversion']) {
$dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
}
if ($GLOBALS['compression'] == 'bzip' && @function_exists('bzcompress')) {
$dump_buffer = bzcompress($dump_buffer);
}
// as a gzipped file
else if ($GLOBALS['compression'] == 'gzip' && @function_exists('gzencode')) {
// without the optional parameter level because it bug
$dump_buffer = gzencode($dump_buffer);
}
if ($GLOBALS['save_on_server']) {
$write_result = @fwrite($GLOBALS['file_handle'], $dump_buffer);
if (!$write_result || ($write_result != strlen($line))) {
$GLOBALS['message'] = sprintf($GLOBALS['strNoSpace'], htmlspecialchars($save_filename));
return FALSE;
}
} else {
echo $dump_buffer;
}
$dump_buffer = '';
$dump_buffer_len = 0;
}
} else {
$time_now = time();
if ($time_start >= $time_now + 30) {
$time_start = $time_now;
header('X-pmaPing: Pong');
} // end if
}
} else {
if ($GLOBALS['asfile']) {
if ($GLOBALS['save_on_server']) {
@@ -124,6 +156,27 @@ $output_charset_conversion = $asfile &&
// Set whether we will need buffering
$buffer_needed = isset($compression) && ($compression == 'zip' | $compression == 'gzip' | $compression == 'bzip');
// Use on fly compression?
$onfly_compression = $GLOBALS['cfg']['CompressOnFly'] && PMA_PHP_INT_VERSION >= 40004 && isset($compression) && ($compression == 'gzip' | $compression == 'bzip');
if ($onfly_compression) {
$memory_limit = trim(@ini_get('memory_limit'));
// 2 MB as default
if (empty($memory_limit)) $memory_limit = 2 * 1024 * 1024;
if (strtolower(substr($memory_limit, -1)) == 'm') $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024;
elseif (strtolower(substr($memory_limit, -1)) == 'k') $memory_limit = (int)substr($memory_limit, 0, -1) * 1024;
elseif (strtolower(substr($memory_limit, -1)) == 'g') $memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024 * 1024;
else $memory_limit = (int)$memory_limit;
// Some of memory is needed for other thins and as treshold.
// Nijel: During export I had allocated (see memory_get_usage function)
// approx 1.2MB so this comes from that.
if ($memory_limit > 1500000) $memory_limit -= 1500000;
// Some memory is needed for compression, assume 1/3
$memory_limit *= 2/3;
}
// Generate filename and mime type if needed
if ($asfile) {
$pma_uri_parts = parse_url($cfg['PmaAbsoluteUri']);
@@ -192,6 +245,9 @@ if ($asfile) {
// Open file on server if needed
if ($save_on_server) {
if (substr($cfg['SaveDir'], -1) != '/') {
$cfg['SaveDir'] .= '/';
}
$save_filename = $cfg['SaveDir'] . ereg_replace('[/\\]','_',$filename);
unset($message);
if (file_exists($save_filename) && empty($onserverover)) {