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99 lines
2.5 KiB
PHP
99 lines
2.5 KiB
PHP
<?php
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class Debug {
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const LOG_DISABLED = -1;
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const LOG_NORMAL = 0;
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const LOG_VERBOSE = 1;
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const LOG_EXTENDED = 2;
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/** @deprecated */
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public static $LOG_DISABLED = self::LOG_DISABLED;
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/** @deprecated */
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public static $LOG_NORMAL = self::LOG_NORMAL;
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/** @deprecated */
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public static $LOG_VERBOSE = self::LOG_VERBOSE;
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/** @deprecated */
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public static $LOG_EXTENDED = self::LOG_EXTENDED;
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private static $enabled = false;
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private static $quiet = false;
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private static $logfile = false;
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private static $loglevel = self::LOG_NORMAL;
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public static function set_logfile($logfile) {
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self::$logfile = $logfile;
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}
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public static function enabled() {
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return self::$enabled;
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}
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public static function set_enabled($enable) {
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self::$enabled = $enable;
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}
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public static function set_quiet($quiet) {
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self::$quiet = $quiet;
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}
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public static function set_loglevel($level) {
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self::$loglevel = $level;
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}
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public static function get_loglevel() {
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return self::$loglevel;
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}
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public static function log($message, int $level = 0) {
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if (!self::$enabled || self::$loglevel < $level) return false;
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$ts = strftime("%H:%M:%S", time());
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if (function_exists('posix_getpid')) {
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$ts = "$ts/" . posix_getpid();
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}
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if (self::$logfile) {
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$fp = fopen(self::$logfile, 'a+');
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if ($fp) {
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$locked = false;
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if (function_exists("flock")) {
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$tries = 0;
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// try to lock logfile for writing
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while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
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sleep(1);
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++$tries;
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}
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if (!$locked) {
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fclose($fp);
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user_error("Unable to lock debugging log file: " . self::$logfile, E_USER_WARNING);
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return;
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}
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}
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fputs($fp, "[$ts] $message\n");
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if (function_exists("flock")) {
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flock($fp, LOCK_UN);
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}
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fclose($fp);
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if (self::$quiet)
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return;
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} else {
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user_error("Unable to open debugging log file: " . self::$logfile, E_USER_WARNING);
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}
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}
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print "[$ts] $message\n";
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}
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}
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