Changeset 3284 for sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/0-logger.php

Timestamp:

05/31/2016 11:40:20 PM (10 years ago)

Author:

iandunn

Message:

WordCamp Logger: Add unique request ID to log entries.

File:

• sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/0-logger.php (modified) (4 diffs)

sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/0-logger.php

@@ -29 +29 @@
 
     $log_entry = sprintf(
-        '%s:%s - %s:%s%s',
+        '[%s] %s:%s - %s:%s%s',
+        get_unique_request_id(),
         basename( $backtrace[0]['file'] ),
         $backtrace[0]['line'],
@@ -69 +70 @@
 
 /**
+ * Generate a unique ID for the current request
+ *
+ * This is useful when debugging race conditions, etc, so that you can identify which log entries belong to each thread.
+ *
+ * Based on https://stackoverflow.com/a/22508709/450127
+ *
+ * @return string
+ */
+function get_unique_request_id() {
+    return hash( 'crc32b', $_SERVER['REMOTE_ADDR'] . $_SERVER['REMOTE_PORT'] . $_SERVER['REQUEST_TIME_FLOAT'] );
+}
+
+/**
  * Format entries created with log()
  *
@@ -81 +95 @@
     $formatted_log        = '';
     $raw_entries          = explode( "\n", $raw_log );
-    $native_entry_pattern = '/(\[.*?\]) (.*?:.*?) - (.*?) -- (\{.*\})/';
+    $native_entry_pattern = '/(\[.*?\]) (\[\w+\]) (.*?:.*?) - (.*?) -- (\{.*\})/';
 
     foreach ( $raw_entries as $entry ) {
@@ -88 +102 @@
         if ( $is_native_entry ) {
             $formatted_log .= sprintf(
-                "\n%s %s - %s\n%s",
+                "\n%s %s %s - %s\n%s",
                 $entry_parts[1],
                 $entry_parts[2],
                 $entry_parts[3],
-                print_r( json_decode( $entry_parts[4] ), true )
+                $entry_parts[4],
+                print_r( json_decode( $entry_parts[5] ), true )
             );
         } else {