-o;;; -*- Mode: Lisp -*-
+;;; -*- Mode: Lisp -*-
;;;; $Id: logger.lisp,v 1.11 2003/12/16 21:19:56 krosenberg Exp $
;;;;
;;;; Purpose: A IRC logging bot
;;;; Author: Kevin Rosenberg
-(in-package irc-logger)
+(in-package #:irc-logger)
+
+(defvar *daemon-monitor-process* nil "Process of background monitor.")
(defclass channel ()
((name :initarg :name :reader name
(defclass logger ()
- ((connection :initarg :connection :reader connection
+ ((connection :initarg :connection :accessor connection
:documentation "IRC connection object.")
+ (handler :initform nil :accessor handler
+ :documentation "Background handler process.")
(nick :initarg :nick :reader nickname
:documentation "Nickname of the bot.")
(password :initarg :password :reader password
: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.")
+ (async :initarg :async :reader async
+ :documentation
+ "Whether to use async")
+ (last-pong :initform nil :accessor last-pong
+ :documentation
+ "utime of last pong message")
+ (private-log :initarg :private-log :reader private-log
+ :documentation "Pathname of the private log file for the daemon.")
+ (unknown-log :initarg :unknown-log :reader unknown-log
+ :documentation "Pathname of the log file for unknown messages.")
+ (private-log-stream :initarg :private-log-stream :reader private-log-stream
+ :documentation "Stream of the private log file for the daemon.")
+ (unknown-log-stream :initarg :unknown-log-stream :reader unknown-log-stream
+ :documentation "Stream of the log file for unknown messages.")
+ (monitor-events :initform nil :accessor monitor-events
+ :documentation "List of events for the monitor to process.")
+ (warning-message-utime :initform nil :accessor warning-message-utime
+ :documentation
+ "Time of last, potentially active, warning message.")))
(defvar *loggers* nil "List of active loggers.")
(format nil "~A-~4,'0D.~2,'0D.~2,'0D" (canonicalize-channel-name name)
year month day))
+(defmacro with-decoding ((utime &optional zone) &body body)
+ `(multiple-value-bind
+ (second minute hour day-of-month month year day-of-week daylight-p zone)
+ (decode-universal-time ,utime ,@(if zone (list zone)))
+ (declare (ignorable second minute hour day-of-month month year day-of-week daylight-p zone))
+ ,@body))
+
+(defun format-utime (utime &optional zone)
+ (with-decoding (utime zone)
+ (format nil "~2,'0D:~2,'0D:~2,'0D" hour minute second)))
+
+(defun format-date-time (utime &key stream)
+ (with-decoding (utime)
+ (format stream "~4,'0D/~2,'0D/~2,'0D ~2,'0D:~2,'0D:~2,'0D" year month day-of-month hour minute second)))
+
(defun make-output-name-utime (name utime)
- (multiple-value-bind
- (second minute hour day-of-month month year day-of-week daylight-p zone)
- (decode-universal-time utime)
- (declare (ignore second minute hour day-of-week daylight-p zone))
+ (with-decoding (utime 0)
(make-output-name name year month day-of-month)))
(defgeneric write-file-header (format channel-name stream))
(defmethod log-file-path (output-root channel-name year month day (format (eql :text)))
(%log-file-path output-root channel-name year month day "txt"))
+(defmethod log-file-path (output-root channel-name year month day (format string))
+ (%log-file-path output-root channel-name year month day format))
+
(defun log-file-path-utime (output-root channel-name format utime)
- (multiple-value-bind
- (second minute hour day month year day-of-week daylight-p zone)
- (decode-universal-time utime)
- (declare (ignore second minute hour day-of-week daylight-p zone))
- (log-file-path output-root channel-name year month day format)))
+ (with-decoding (utime 0)
+ (log-file-path output-root channel-name year month day-of-month format)))
(defun get-stream (channel istream)
(elt (streams channel) istream))
(close (get-stream channel istream)))
(setf (get-stream channel istream)
(open path :direction :output :if-exists :append
- :if-does-not-exist :error))))))
+ :if-does-not-exist :create))))))
(defun ensure-output-stream (utime logger channel istream)
"Ensures that *output-stream* is correct."
(ensure-output-stream-for-unichannel utime logger channel istream))
(t
(setf (get-stream channel istream)
- (open (user-output logger) :direction :output :if-exists :append)))))))
-
-(defun format-utime (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-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)
- (multiple-value-bind
- (second minute hour day-of-month month year day-of-week daylight-p zone)
- (decode-universal-time utime)
- (declare (ignore second day-of-month month year day-of-week daylight-p zone))
- (format nil "~2,'0D:~2,'0D" hour minute)))
+ (open (user-output logger) :direction :output :if-exists :append
+ :if-does-not-exist :create)))))))
(defun user-address (msg)
(let ((split (split *user-address-scanner* (raw-message-string msg)
"")))
(defun need-user-address? (type)
- (not (or (eq :action type) (eq :privmsg type))))
+ (case type
+ ((:action :privmsg :names :rpl_topic)
+ nil)
+ (t
+ t)))
(defgeneric %output-event (format stream utime type channel source text msg
unichannel))
(defmethod %output-event ((format (eql :raw)) stream utime type channel source
text msg unichannel)
- (declare (ignore utime type channel source text text unichannel ))
- (format stream "~S~%" (string-right-trim '(#\return)
- (raw-message-string msg))))
+ (declare (ignore utime type channel source text text unichannel))
+ (when msg
+ (format stream "~S~%"
+ (string-right-trim '(#\return) (raw-message-string msg)))))
-(defmethod %output-event ((format (eql :sexp)) stream utime type channel source text
- msg unichannel)
- (if unichannel
- (format stream "(~S ~S ~S ~S ~S)~%" utime type source text
- (when (need-user-address? type) (user-address msg)))
- (format stream "(~S ~S ~S ~S ~S ~S)~%" utime type source channel
- text (when (need-user-address? type) (user-address msg)))))
+(defconstant +posix-epoch+
+ (encode-universal-time 0 0 0 1 1 1970 0))
+
+(defun posix-time-to-utime (time)
+ (+ time +posix-epoch+))
+
+(defun last-sexp-field (type msg)
+ (cond
+ ((null msg)
+ nil)
+ ((eq type :kick)
+ (trailing-argument msg))
+ ((eq type :rpl_topicwhotime)
+ (when (stringp (car (last (arguments msg))))
+ (let ((secs (parse-integer (car (last (arguments msg))) :junk-allowed t)))
+ (when secs
+ (posix-time-to-utime secs)))))
+ ((need-user-address? type)
+ (user-address msg))))
-(defmethod %output-event ((format (eql :text)) stream utime type channel source text
+(defmethod %output-event ((format (eql :sexp)) stream utime type channel source text
msg unichannel)
- (format stream "~A " (format-utime utime))
+ (with-standard-io-syntax
+ (let ((cl:*print-case* :downcase))
+ (if unichannel
+ (format stream "(~S ~S ~S ~S ~S)~%" utime type source text (last-sexp-field type msg))
+ (format stream "(~S ~S ~S ~S ~S ~S)~%" utime type source channel text
+ (last-sexp-field type msg))))))
+
+(defmethod %output-event ((format (eql :text)) stream utime type channel
+ source text msg unichannel)
+ (format stream "~A " (format-utime utime 0))
(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))
+ (:names
+ (format stream "-!- names: ~A" text))
+ (:rpl_topic
+ (format stream "-!- topic: ~A" text))
(t
- (warn "Unhandled msg type ~A." type))))
+ (warn "Unhandled msg type ~A." type))))
(write-char #\Newline stream))
(defun output-event-for-a-stream (msg type channel text logger istream)
(unichannel logger))
(force-output (get-stream channel istream)))
+(defun log-daemon-message (logger fmt &rest args)
+ (let ((text (apply #'format nil fmt args)))
+ (add-private-log-entry logger "~A" text)
+ ;;don't daemon messages to the logs
+ #+ignore
+ (dolist (channel (channels logger))
+ (dotimes (istream (length (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)
(dolist (logger *loggers*)
(case type
+ ((:error :server :kill)
+ (add-private-log-entry logger "~A" (raw-message-string msg)))
((:quit :nick)
- (dolist (channel (channels logger))
- (dotimes (i (length (formats logger)))
- (output-event-for-a-stream msg type channel text logger i))))
+ ;; send to all channels that a nickname is joined
+ (let* ((user (find-user (connection logger)
+ (case type
+ (:nick (source msg))
+ (:quit (source msg)))))
+ (channels (when user (cl-irc::channels user))))
+ (dolist (channel (mapcar
+ #'(lambda (name) (find-channel-with-name logger name))
+ (mapcar #'cl-irc::name channels)))
+ (when channel
+ (dotimes (i (length (formats logger)))
+ (output-event-for-a-stream msg type channel text logger i))))))
(t
+ ;; msg contains channel name
(let* ((channel (find-channel-with-name logger channel-name)))
(when channel
(dotimes (i (length (formats logger)))
(output-event-for-a-stream msg type channel text logger i))))))))
+(defun get-private-log-stream (logger)
+ (if (and logger (private-log-stream logger))
+ (private-log-stream logger)
+ *standard-output*))
+
+(defun get-unknown-log-stream (logger)
+ (if (and logger (unknown-log-stream logger))
+ (unknown-log-stream logger)
+ *standard-output*))
+
+(defun add-log-entry (stream fmt &rest args)
+ (handler-case
+ (progn
+ (format-date-time (get-universal-time) :stream stream)
+ (write-char #\space stream)
+ (apply #'format stream fmt args)
+ (write-char #\newline stream)
+ (force-output stream))
+ (error (e)
+ (warn "Error ~A when trying to add-log-entry '~A'." e
+ (apply #'format nil fmt args)))))
+
+(defun add-private-log-entry (logger fmt &rest args)
+ (apply #'add-log-entry (get-private-log-stream logger) fmt args))
+
(defun privmsg-hook (msg)
- (output-event msg :privmsg (first (arguments msg)) (trailing-argument msg)))
+ (let ((logger (find-logger-with-connection (connection msg)))
+ (channel (first (arguments msg))))
+ (cond
+ ((equal channel (nickname logger))
+ (add-private-log-entry logger "~A" (raw-message-string msg)))
+ (t
+ (output-event msg :privmsg channel (trailing-argument msg))))))
(defun action-hook (msg)
(output-event msg :action (first (arguments msg))
(output-event msg :join (trailing-argument msg)))
(defun kick-hook (msg)
- (output-event msg :kick (first (arguments msg))))
+ (let ((logger (find-logger-with-connection (connection msg)))
+ (channel (first (arguments msg)))
+ (who-kicked (second (arguments msg))))
+ (output-event msg :kick channel who-kicked)
+ (when (string-equal (nickname logger) who-kicked)
+ (add-private-log-entry
+ logger
+ "Logging daemon ~A has been kicked from ~A (~A)"
+ (nickname logger) channel (trailing-argument msg))
+ (daemon-sleep 1)
+ (remove-channel-logger logger channel)
+ (daemon-sleep 1)
+ (add-channel-logger logger channel)
+ (add-private-log-entry logger "Rejoined ~A" channel))))
(defun notice-hook (msg)
- (if (and (string-equal (source msg) "NickServ")
- (string-equal "owned by someone else" (trailing-argument msg)))
- (let ((logger (find-logger-with-connection (connection msg))))
- (if logger
- (privmsg (connection msg) (source msg) (format nil "IDENTIFY ~A" (password logger)))
- (warn "NickServ asks for identity with connection not found.")))
- (output-event msg :notice (first (arguments msg)) (trailing-argument msg))))
+ (let ((logger (find-logger-with-connection (connection msg)))
+ (channel (first (arguments msg))))
+ (cond
+ ((and (string-equal (source msg) "NickServ")
+ (string-equal channel (nickname logger))
+ (string-equal "owned by someone else" (trailing-argument msg)))
+ (if logger
+ (privmsg (connection msg) (source msg) (format nil "IDENTIFY ~A" (password logger)))
+ (add-private-log-entry logger "NickServ asks for identity with connection not found.")))
+ ((equal channel (nickname logger))
+ (add-private-log-entry logger "~A" (raw-message-string msg)))
+ (t
+ (output-event msg :notice channel (trailing-argument msg))))))
+
+(defun ping-hook (msg)
+ (let ((logger (find-logger-with-connection (connection msg))))
+ (pong (connection msg) (server logger))
+ #+debug (format *standard-output* "Sending pong to ~A~%" (server logger))))
+(defun pong-hook (msg)
+ (let ((logger (find-logger-with-connection (connection msg))))
+ (setf (last-pong logger) (received-time msg))))
+
(defun topic-hook (msg)
(output-event msg :topic (first (arguments msg)) (trailing-argument msg)))
(output-event msg :mode (first (arguments msg))
(format nil "~{~A~^ ~}" (cdr (arguments msg)))))
+(defun rpl_namreply-hook (msg)
+ (output-event msg :names (third (arguments msg))
+ (trailing-argument msg)))
+
+(defun rpl_endofnames-hook (msg)
+ (declare (ignore msg))
+ ;; nothing to do for this message
+ )
+
+(defun rpl_topic-hook (msg)
+ (output-event msg :rpl_topic (format nil "~{~A~^ ~}" (arguments msg))
+ (trailing-argument msg)))
+
+(defun rpl_topicwhotime-hook (msg)
+ (output-event msg :rpl_topicwhotime
+ (second (arguments msg))
+ (third (arguments msg))))
+
+
+(defun invite-hook (msg)
+ (let ((logger (find-logger-with-connection (connection msg))))
+ (add-private-log-entry logger "~A" (raw-message-string msg))))
+
+
(defun make-a-channel (name formats output)
(make-instance 'channel
:name name
(defun is-unichannel-output (user-output)
"Returns T if output is setup for a single channel directory structure."
(and (pathnamep user-output) (null (pathname-name user-output))))
-
+
+(defun do-connect-and-join (nick server username realname logging-stream channels)
+ (let ((conn (connect :nickname nick :server server
+ :username username :realname realname
+ :logging-stream logging-stream)))
+ (mapc #'(lambda (channel) (join conn channel)) channels)
+ (add-hook conn 'irc::irc-privmsg-message 'privmsg-hook)
+ (add-hook conn 'irc::ctcp-action-message 'action-hook)
+ (add-hook conn 'irc::irc-nick-message 'nick-hook)
+ (add-hook conn 'irc::irc-part-message 'part-hook)
+ (add-hook conn 'irc::irc-quit-message 'quit-hook)
+ (add-hook conn 'irc::irc-join-message 'join-hook)
+ (add-hook conn 'irc::irc-kick-message 'kick-hook)
+ (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-error-message 'error-hook)
+ (add-hook conn 'irc::irc-ping-message 'ping-hook)
+ (add-hook conn 'irc::irc-pong-message 'pong-hook)
+ (add-hook conn 'irc::irc-kill-message 'kill-hook)
+ (add-hook conn 'irc::irc-invite-message 'invite-hook)
+ (add-hook conn 'irc::irc-rpl_killdone-message 'warning-hook)
+ (add-hook conn 'irc::irc-rpl_closing-message 'warning-hook)
+ (add-hook conn 'irc::irc-rpl_topic-message 'rpl_topic-hook)
+ (add-hook conn 'irc::irc-rpl_namreply-message 'rpl_namreply-hook)
+ (add-hook conn 'irc::irc-rpl_endofnames-message 'rpl_endofnames-hook)
+ (add-hook conn 'irc::irc-rpl_topicwhotime-message 'rpl_topicwhotime-hook)
+ conn))
+
+(defmethod cl-irc::irc-message-event :around ((msg cl-irc::irc-message))
+ (let ((result (call-next-method msg)))
+ (typecase msg
+ ((or irc::irc-privmsg-message irc::ctcp-action-message irc::irc-nick-message
+ irc::irc-part-message irc::irc-quit-message irc::irc-join-message
+ irc::irc-kick-message irc::irc-mode-message irc::irc-topic-message
+ irc::irc-notice-message irc::irc-error-message irc::irc-ping-message
+ irc::irc-pong-message irc::irc-kill-message irc::irc-invite-message
+ irc::irc-rpl_killdone-message irc::irc-rpl_closing-message
+ irc::irc-rpl_topic-message irc::irc-rpl_namreply-message
+ irc::irc-rpl_endofnames-message irc::irc-rpl_topicwhotime-message
+ irc::irc-rpl_motd-message irc::irc-rpl_motdstart-message
+ irc::irc-rpl_endofmotd-message)
+ ;; nothing to do
+ )
+ (t
+ (add-log-entry
+ (get-unknown-log-stream (find-logger-with-connection (connection msg)))
+ "~A"
+ (raw-message-string msg))))
+ result))
+
(defun create-logger (nick server &key channels output password
+ realname username async
+ private-log unknown-log
(logging-stream t) (formats '(:text)))
"OUTPUT may be a pathname or a stream"
;; check arguments
(setq formats (list formats)))
(if (stringp output)
(setq output (parse-namestring output)))
- (let* ((conn (connect :nickname nick :server server
- :logging-stream logging-stream))
+ (let* ((conn (do-connect-and-join nick server username realname logging-stream channels))
(logger (make-instance
'logger
:connection conn
:password password
:server server
:channels (make-channels channels formats output)
+ :channel-names channels
+ :username username
+ :realname realname
+ :async async
+ :logging-stream logging-stream
:user-output output
:formats formats
+ :private-log private-log
+ :unknown-log unknown-log
+ :private-log-stream (when private-log
+ (open private-log :direction :output
+ :if-exists :append
+ :if-does-not-exist :create))
+ :unknown-log-stream (when unknown-log
+ (open unknown-log :direction :output
+ :if-exists :append
+ :if-does-not-exist :create))
:unichannel (is-unichannel-output output))))
-
- (mapc #'(lambda (channel) (join conn channel)) channels)
- (add-hook conn 'irc::irc-privmsg-message 'privmsg-hook)
- (add-hook conn 'irc::ctcp-action-message 'action-hook)
- (add-hook conn 'irc::irc-nick-message 'nick-hook)
- (add-hook conn 'irc::irc-part-message 'part-hook)
- (add-hook conn 'irc::irc-quit-message 'quit-hook)
- (add-hook conn 'irc::irc-join-message 'join-hook)
- (add-hook conn 'irc::irc-kick-message 'kick-hook)
- (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)
+ (unless *daemon-monitor-process*
+ (setq *daemon-monitor-process* (cl-irc::start-process 'daemon-monitor "logger-monitor")))
logger))
(defun start-logger (logger async)
(if async
- (start-background-message-handler (connection logger))
+ (setf (handler logger)
+ (start-background-message-handler (connection logger)))
(read-message-loop (connection logger))))
(defun remove-logger (nick)
(let ((logger (find-logger-with-nick nick)))
(cond
((null logger)
- (warn "No active connection found with nick ~A." nick)
+ (warn
+ "~A No active connection found with nick ~A [remove-logger].~%"
+ (format-date-time (get-universal-time))
+ nick)
nil)
(t
- (irc:quit (connection logger))
+ (ignore-errors (quit-with-timeout (connection logger) ""))
+ (ignore-errors (stop-background-message-handler (handler logger)))
(sleep 1)
(dolist (channel (channels logger))
- (remove-channel logger (name channel)))
+ (let ((c (connection logger)))
+ (when c
+ (ignore-errors (remove-channel c (find-channel c (name channel)))))))
+ (ignore-errors (add-private-log-entry logger "Deleting loggers with nick of '~A' [remove-logger]." nick))
+ (when (private-log-stream logger)
+ (close (private-log-stream logger)))
+ (when (unknown-log-stream logger)
+ (close (unknown-log-stream logger)))
+
(setq *loggers*
(delete nick *loggers* :test #'string-equal :key #'nickname))
t))))
(defun add-logger (nick server &key channels output (password "")
- (logging-stream t) (async t) (formats '(:text)))
+ realname username private-log unknown-log
+ (logging-stream t) (async t)
+ (formats '(:sexp)))
(when (find-logger-with-nick nick)
- (warn "Closing previously active connection.")
- (remove-logger nick))
+ (add-private-log-entry (find-logger-with-nick nick)
+ "Closing previously active connection [add-logger].")
+ (ignore-errors (remove-logger nick)))
(let ((logger (create-logger nick server :channels channels :output output
:logging-stream logging-stream :password password
- :formats formats)))
+ :realname realname :username username
+ :private-log private-log
+ :unknown-log unknown-log
+ :formats formats
+ :async async)))
(push logger *loggers*)
(start-logger logger async)
logger))
-
+
(defun add-channel-logger (logger channel-name)
(cond
((find-channel-with-name logger channel-name)
- (warn "Channel ~A already in logger ~A." channel-name logger)
+ (add-private-log-entry logger "Channel ~A already in logger ~A." channel-name logger)
nil)
(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."
- channel-name logger)
+ (add-private-log-entry
+ logger "Channel name ~A not found in logger ~A." channel-name logger)
nil))))
(defun add-hook-logger (logger class hook)
(defun remove-hook-logger (logger class hook)
(remove-hook (connection logger) class hook))
+
+(defvar *warning-message-utime* nil)
+
+(defun kill-hook (msg)
+ (let ((target (second (arguments msg)))
+ (logger (find-logger-with-connection (connection msg))))
+ (when (and (stringp target)
+ (string-equal target (nickname logger)))
+ (setf (warning-message-utime logger) (received-time msg)))
+ (add-private-log-entry logger "Killed by ~A" (source msg))))
+
+(defun error-hook (msg)
+ (let ((text (trailing-argument msg))
+ (logger (find-logger-with-connection (connection msg))))
+ (when (and (stringp text)
+ (zerop (search (format nil "Closing Link: ~A" (nickname logger)) text)))
+ (setf (warning-message-utime logger) (received-time msg)))
+ (output-event msg :error nil (trailing-argument msg))))
+
+(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 (or (null (warning-message-utime logger))
+ (< (- (get-universal-time) (warning-message-utime logger)) 300))
+ (log-daemon-message logger "Disconnected. Attempting reconnection.")))
+
+(defun log-reconnection (logger)
+ (log-daemon-message logger "Connection restablished."))
+
+#+ignore
+(defun is-connected (logger)
+ (%is-connected logger))
+
+(defparameter *timeout* 60)
+
+(defun is-connected (logger)
+ #-allegro (%is-connected logger)
+ #+allegro (mp:with-timeout (*timeout* nil)
+ (%is-connected logger)))
+
+(defun quit-with-timeout (connection msg)
+ #-allegro (quit connection msg)
+ #+allegro (mp:with-timeout (*timeout* nil)
+ (quit connection msg)))
+
+(defun %is-connected (logger)
+ (when (ignore-errors (ping (connection logger) (server logger)))
+ (dotimes (i 20)
+ (when (and (last-pong logger)
+ (< (- (get-universal-time) (last-pong logger)) 21))
+ (return-from %is-connected t))
+ (daemon-sleep 1))))
+
+
+(let (*recon-nick* *recon-server* *recon-username* *recon-realname*
+ *recon-user-output* *recon-private-log* *recon-unknown-log*
+ *recon-formats* *recon-async* *recon-logging-stream* *recon-channel-names*)
+ (declare (special *recon-nick* *recon-server* *recon-username* *recon-realname*
+ *recon-formats* *recon-password* *recon-async*
+ *recon-user-output* *recon-private-log* *recon-unknown-log*
+ *recon-logging-stream* *recon-channel-names*))
+
+ (defun attempt-reconnection (logger)
+ (when (is-connected logger)
+ (return-from attempt-reconnection nil))
+
+ (log-disconnection logger)
+ (when (connection logger)
+ (ignore-errors (quit-with-timeout (connection logger) "Client terminated by server"))
+ (setf *recon-nick* (nickname logger)
+ *recon-server* (server logger)
+ *recon-username* (username logger)
+ *recon-realname* (realname logger)
+ *recon-password* (password logger)
+ *recon-async* (async logger)
+ *recon-user-output* (user-output logger)
+ *recon-private-log* (private-log logger)
+ *recon-unknown-log* (unknown-log logger)
+ *recon-formats* (formats logger)
+ *recon-logging-stream* (logging-stream logger)
+ *recon-channel-names* (channel-names logger))
+ (ignore-errors (remove-logger logger)))
+
+ (let ((new-logger
+ (ignore-errors
+ (add-logger *recon-nick* *recon-server*
+ :channels *recon-channel-names*
+ :output *recon-user-output*
+ :password *recon-password*
+ :realname *recon-realname*
+ :username *recon-username*
+ :logging-stream *recon-logging-stream*
+ :private-log *recon-private-log*
+ :unknown-log *recon-unknown-log*
+ :async *recon-async*
+ :formats *recon-formats*))))
+ (when new-logger
+ (sleep 5)
+ (when (is-connected new-logger)
+ (log-reconnection new-logger)))))
+
+ )
+
+(defun daemon-monitor ()
+ "This function runs in the background and monitors the connection of the logger."
+ ;; run forever
+ (loop
+ do
+ (monitor-once)))
+
+(defun monitor-once ()
+ (dolist (logger *loggers*)
+ (do ((warning-time (warning-message-utime logger) (warning-message-utime logger)))
+ ((and (is-connected logger) (null warning-time)))
+ (cond
+ ((and warning-time (> (- (get-universal-time) warning-time) 180))
+ ;;give up frequent checking because no disconnection despite waiting
+ (setf (warning-message-utime logger) nil))
+ ((not (is-connected logger))
+ (unless warning-time
+ (setf (warning-message-utime logger) (get-universal-time)))
+ (attempt-reconnection logger)
+ ;;after a succesful reconnection, the value of logger will be invalid
+ (sleep 30)
+ (return-from monitor-once))
+ (t
+ (daemon-sleep 30)))))
+ (do ((i 0 (1+ i)))
+ ((or (>= i 10) (some (lambda (logger) (warning-message-utime logger)) *loggers*)))
+ (daemon-sleep 15)))
+
+
+
projects / irc-logger.git / blobdiff