83 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php declare(strict_types=1);
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| /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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| * Logging convenience                                                       *
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| \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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| 
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| define("SCORE_LOG_CRITICAL", 50);
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| define("SCORE_LOG_ERROR", 40);
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| define("SCORE_LOG_WARNING", 30);
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| define("SCORE_LOG_INFO", 20);
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| define("SCORE_LOG_DEBUG", 10);
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| define("SCORE_LOG_NOTSET", 0);
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| 
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| const LOGGING_LEVEL_NAMES = [
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|     SCORE_LOG_NOTSET=>"Not Set",
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|     SCORE_LOG_DEBUG=>"Debug",
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|     SCORE_LOG_INFO=>"Info",
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|     SCORE_LOG_WARNING=>"Warning",
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|     SCORE_LOG_ERROR=>"Error",
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|     SCORE_LOG_CRITICAL=>"Critical",
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| ];
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| 
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| /**
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|  * A shorthand way to send a LogEvent
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|  *
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|  * When parsing a user request, a flash message should give info to the user
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|  * When taking action, a log event should be stored by the server
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|  * Quite often, both of these happen at once, hence log_*() having $flash
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|  */
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| function log_msg(string $section, int $priority, string $message, ?string $flash=null)
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| {
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|     global $page;
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|     send_event(new LogEvent($section, $priority, $message));
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|     $threshold = defined("CLI_LOG_LEVEL") ? CLI_LOG_LEVEL : 0;
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| 
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|     if ((PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') && ($priority >= $threshold)) {
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|         print date("c")." $section: $message\n";
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|         ob_flush();
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|     }
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|     if (!is_null($flash)) {
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|         $page->flash($flash);
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|     }
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| }
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| 
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| // More shorthand ways of logging
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| function log_debug(string $section, string $message, ?string $flash=null)
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| {
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|     log_msg($section, SCORE_LOG_DEBUG, $message, $flash);
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| }
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| function log_info(string $section, string $message, ?string $flash=null)
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| {
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|     log_msg($section, SCORE_LOG_INFO, $message, $flash);
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| }
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| function log_warning(string $section, string $message, ?string $flash=null)
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| {
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|     log_msg($section, SCORE_LOG_WARNING, $message, $flash);
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| }
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| function log_error(string $section, string $message, ?string $flash=null)
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| {
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|     log_msg($section, SCORE_LOG_ERROR, $message, $flash);
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| }
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| function log_critical(string $section, string $message, ?string $flash=null)
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| {
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|     log_msg($section, SCORE_LOG_CRITICAL, $message, $flash);
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| }
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| 
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| 
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| /**
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|  * Get a unique ID for this request, useful for grouping log messages.
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|  */
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| function get_request_id(): string
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| {
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|     static $request_id = null;
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|     if (!$request_id) {
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|         // not completely trustworthy, as a user can spoof this
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|         if (@$_SERVER['HTTP_X_VARNISH']) {
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|             $request_id = $_SERVER['HTTP_X_VARNISH'];
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|         } else {
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|             $request_id = "P" . uniqid();
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|         }
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|     }
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|     return $request_id;
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| }
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