(in-package irc-logger)
+(defvar *daemon-monitor-process* nil "Process of background monitor.")
+
(defclass channel ()
((name :initarg :name :reader name
:documentation "Name of channel.")
:documentation "Nickname's nickserver password.")
(server :initarg :server :reader server
:documentation "Connected IRC server.")
+ (channel-names :initarg :channel-names :accessor channel-names
+ :documentation "List of channel names.")
+ (realname :initarg :realname :reader realname
+ :documentation "Realname for cl-irc")
+ (username :initarg :username :reader username
+ :documentation "Username for cl-irc")
+ (logging-stream :initarg :logging-stream :reader logging-stream
+ :documentation "logging-stream for cl-irc.")
(channels :initarg :channels :accessor channels
:documentation "List of channels.")
(user-output :initarg :user-output :reader user-output
:documentation "T if user-output is directory for individual channel output.")
(formats :initarg :formats :reader formats
:documentation
- "A list of output formats.")))
+ "A list of output formats.")
+ (warning-message-utime :initform nil :accessor warning-message-utime
+ :documentation
+ "Time of last, potentially active, warning message.")))
(defvar *loggers* nil "List of active loggers.")
(setf (get-stream channel istream)
(open (user-output logger) :direction :output :if-exists :append)))))))
+(defun format-date-time (utime)
+ (multiple-value-bind
+ (second minute hour day-of-month month year day-of-week daylight-p zone)
+ (decode-universal-time utime)
+ (declare (ignore day-of-week daylight-p zone))
+ (format nil "~4,'0D/~2,'0D/~2,'0D ~2,'0D:~2,'0D:~2,'0D" year month day-of-month hour minute second)))
+
(defun format-utime (utime)
(multiple-value-bind
(second minute hour day-of-month month year day-of-week daylight-p zone)
(declare (ignore day-of-month month year day-of-week daylight-p zone))
(format nil "~2,'0D:~2,'0D:~2,'0D" hour minute second)))
-(defun format-utime-short(utime)
+(defun format-utime-short (utime)
(multiple-value-bind
(second minute hour day-of-month month year day-of-week daylight-p zone)
(decode-universal-time utime)
(defun last-sexp-field (type msg)
(cond
+ ((null msg)
+ nil)
((eq type :kick)
(trailing-argument msg))
((need-user-address? type)
(when (and (null unichannel) channel)
(format stream "[~A] " channel))
- (let ((user-address (when (need-user-address? type) (user-address msg))))
+ (let ((user-address (when (and msg (need-user-address? type)) (user-address msg))))
(case type
(:privmsg
(format stream "<~A> ~A" source text))
(format stream "-!- ~A changed the topic of ~A to: ~A" source channel text))
(:notice
(format stream "-~A:~A- ~A" source channel text))
+ (:daemon
+ (format stream "-!!!- ~A" text))
+ (:server
+ (format stream "-!!!- server send message ~A" source channel text))
+ (:unhandled
+ (format stream "-!!!- ~A" text))
(t
(warn "Unhandled msg type ~A." type))))
(write-char #\Newline stream))
(unichannel logger))
(force-output (get-stream channel istream)))
+(defun log-daemon-message (logger fmt &rest args)
+ (let ((text (apply #'format nil fmt args))
+ (time (get-universal-time)))
+ (dolist (channel (channels logger))
+ (dotimes (istream (formats logger))
+ (ensure-output-stream time logger channel istream)
+ (%output-event (get-format logger istream) (get-stream channel istream)
+ time :daemon nil nil text nil
+ (unichannel logger))
+ (force-output (get-stream channel istream))))))
+
(defvar *msg*)
(defun output-event (msg type channel-name &optional text)
(setq *msg* msg)
(when channel
(dotimes (i (length (formats logger)))
(output-event-for-a-stream msg type channel text logger i))))))
+ (:server
+ (dolist (channel (channels logger))
+ (dotimes (i (length (formats logger)))
+ (output-event-for-a-stream msg type channel text logger i))))
(t
(let* ((channel (find-channel-with-name logger channel-name)))
(when channel
(setq formats (list formats)))
(if (stringp output)
(setq output (parse-namestring output)))
- (let* ((conn (connect :nickname nick :server server
+ (let* ((conn (connect :nickname nick :server server
:username username :realname realname
:logging-stream logging-stream))
(logger (make-instance
:password password
:server server
:channels (make-channels channels formats output)
+ :channel-names channels
+ :username username
+ :realname realname
+ :logging-stream logging-stream
:user-output output
:formats formats
:unichannel (is-unichannel-output output))))
(add-hook conn 'irc::irc-mode-message 'mode-hook)
(add-hook conn 'irc::irc-topic-message 'topic-hook)
(add-hook conn 'irc::irc-notice-message 'notice-hook)
+ (add-hook conn 'irc::irc-rpl_killdone-message 'warning-hook)
+ (add-hook conn 'irc::irc-rpl_closing-message 'warning-hook)
+ (unless *daemon-monitor-process*
+ (setq *daemon-monitor-process* (cl-irc::start-process 'daemon-monitor "logger-monitor")))
logger))
(defun start-logger (logger async)
(t
(let ((channel (make-a-channel channel-name (formats logger) (user-output logger))))
(join (connection logger) channel-name)
- (push channel (channels logger))))))
+ (push channel (channels logger))
+ (push channel-name (channel-names logger))))))
(defun remove-channel-logger (logger channel-name)
(let ((channel (find-channel-with-name logger channel-name)))
(setf (channels logger) (delete channel-name (channels logger)
:test #'string-equal
:key #'name))
+ (setf (channel-names logger) (delete channel-name (channel-names logger)
+ :test #'string-equal))
t)
(t
(warn "Channel name ~A not found in logger ~A."
(defun remove-hook-logger (logger class hook)
(remove-hook (connection logger) class hook))
-;; before disconnect, server usually sends something like
-;;
-;; Closing Link: nick[ipaddr or hostname] by servername (reason)
-;; some other reasons are: "G-lined", "K-lined", and "Your host is
-;; trying to (re)connect too fast -- throttled"
-;;
-;; reconnect should wait 30 sec depending upon the throttle
-;;
-;; avoid too many reconnect messages in the logs
-;;
-;; grep'ing around the net-nittin-ir source, it looks like 361
-;; rpl_killdone and 362 rpl_closing may refer to the closing link
-;; error i mention, as in, modern ircds may use numerics for such
-;; logging of unhandled numerics is good to do also
+(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)))
projects / irc-logger.git / commitdiff