+
+(defvar *warning-message-utime* nil)
+
+(defun warning-hook (msg)
+ (let ((logger (find-logger-with-connection (connection msg))))
+ (output-event msg :server
+ (format nil "~{~A~^ ~} ~A)"
+ (arguments msg)
+ (trailing-argument msg)))
+ (when logger
+ (setf (warning-message-utime logger) (get-universal-time)))))
+
+(defun daemon-sleep (seconds)
+ #-allegro (sleep seconds)
+ #+allegro (mp:process-sleep seconds))
+
+(defun log-disconnection (logger)
+ ;; avoid generating too many reconnect messages in the logs
+ (when (< (- (get-universal-time) (warning-message-utime logger)) 300)
+ (log-daemon-message logger "Disconnected. Attempting reconnection at ~A."
+ (format-date-time (get-universal-time)))))
+
+(defun log-reconnection (logger)
+ (log-daemon-message logger
+ "Connection restablished at ~A." (format-date-time (get-universal-time))))
+
+(defun attempt-reconnection (logger)
+ (log-disconnection logger)
+ (setf (connection logger) nil)
+ (let ((connection (connect :nickname (nickname logger)
+ :server (server logger)
+ :channel-names (channel-names logger)
+ :username (username logger)
+ :realname (realname logger)
+ :logging-stream (logging-stream logger))))
+ (when (and connection (cl-irc::connectedp connection))
+ (setf (connection logger) connection)
+ (log-reconnection logger)
+ t)))
+
+(defun daemon-monitor ()
+ "This function runs in the background and monitors the connection of the logger."
+ ;; run forever
+ (do ()
+ ()
+ (dolist (logger *loggers*)
+ (do ((conn (connection logger))
+ (warning-time (warning-message-utime logger) (warning-message-utime logger)))
+ (warning-time)
+ (cond
+ ((> (- (get-universal-time) warning-time) 180)
+ ;;give up frequent checking because no disconnection despite waiting
+ (setf (warning-message-utime logger) nil))
+ ((not (cl-irc::connectedp conn))
+ (unless warning-time
+ (setf (warning-message-utime logger) (get-universal-time)))
+ (attempt-reconnection logger))
+ (t
+ (daemon-sleep 30)))))
+ (daemon-sleep 600)))