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Improve logger performance

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- Reorder condition to prevent constant lookup (one-time ~3,500 substr)
- Enforce coding standards
This commit is contained in:
Hypolite Petovan 2016-10-21 23:00:05 -04:00
commit 44d5dec06f
1 changed files with 34 additions and 26 deletions
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60
include/text.php
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@ -678,11 +678,13 @@ function attribute_contains($attr,$s) {
return false;
}}
if(! function_exists('logger')) {
if (! function_exists('logger')) {
/* setup int->string log level map */
$LOGGER_LEVELS = array();
/**
* @brief Logs the given message at the given log level
*
* log levels:
* LOGGER_NORMAL (default)
* LOGGER_TRACE
@ -692,51 +694,57 @@ $LOGGER_LEVELS = array();
*
* @global App $a
* @global dba $db
* @global array $LOGGER_LEVELS
* @param string $msg
* @param int $level
*/
function logger($msg,$level = 0) {
// turn off logger in install mode
function logger($msg, $level = 0) {
global $a;
global $db;
global $LOGGER_LEVELS;
if(($a->module == 'install') || (! ($db && $db->connected))) return;
$debugging = get_config('system','debugging');
$logfile = get_config('system','logfile');
$loglevel = intval(get_config('system','loglevel'));
if (count($LOGGER_LEVELS)==0){
foreach (get_defined_constants() as $k=>$v){
if (substr($k,0,7)=="LOGGER_")
$LOGGER_LEVELS[$v] = substr($k,7,7);
// turn off logger in install mode
if (
$a->module == 'install'
|| ! ($db && $db->connected)
|| ! $debugging
|| ! $logfile
|| $level > $loglevel
) {
return;
}
if (count($LOGGER_LEVELS) == 0) {
foreach (get_defined_constants() as $k => $v){
if (substr($k, 0, 7) == "LOGGER_")
$LOGGER_LEVELS[$v] = substr($k, 7, 7);
}
}
$debugging = get_config('system','debugging');
$loglevel = intval(get_config('system','loglevel'));
$logfile = get_config('system','logfile');
if((! $debugging) || (! $logfile) || ($level > $loglevel))
return;
$process_id = session_id();
if ($process_id == "")
if ($process_id == '') {
$process_id = get_app()->process_id;
}
$callers = debug_backtrace();
$logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
datetime_convert(),
$process_id,
$LOGGER_LEVELS[$level],
basename($callers[0]['file']),
$callers[0]['line'],
$callers[1]['function'],
$msg
);
$logline = sprintf("%s@%s\t[%s]:%s:%s:%s\t%s\n",
datetime_convert(),
$process_id,
$LOGGER_LEVELS[$level],
basename($callers[0]['file']),
$callers[0]['line'],
$callers[1]['function'],
$msg
);
$stamp1 = microtime(true);
@file_put_contents($logfile, $logline, FILE_APPEND);
$a->save_timestamp($stamp1, "file");
return;
}}