+(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)
+ nil)
+ (t
+ (let ((channel (make-a-channel channel-name (formats logger) (user-output logger))))
+ (join (connection logger) channel-name)
+ (push channel (channels logger))))))
+
+(defun remove-channel-logger (logger channel-name)
+ (let ((channel (find-channel-with-name logger channel-name)))
+ (cond
+ (channel
+ (part (connection logger) channel-name)
+ (dotimes (i (length (streams channel)))
+ (when (streamp (get-stream channel i))
+ (close (get-stream channel i))
+ (setf (get-stream channel i) nil)))
+ (setf (channels logger) (delete channel-name (channels logger)
+ :test #'string-equal
+ :key #'name))
+ t)
+ (t
+ (warn "Channel name ~A not found in logger ~A."
+ channel-name logger)
+ nil))))
+