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;;; slack-request-worker.el --- -*- lexical-binding: t; -*-
;; Copyright (C) 2018 南優也
;; Author: 南優也 <yuyaminami@minamiyuuya-no-MacBook.local>
;; Keywords:
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'eieio)
(require 'slack-util)
(require 'slack-request)
(require 'slack-team)
(defcustom slack-request-worker-max-request-limit 30
"Max request count perform simultaneously."
:group 'slack)
(defvar slack-request-worker-instance nil)
(defclass slack-request-worker ()
((queue :initform '() :type list)
(timer :initform nil)
(current-request-count :initform 0 :type integer)
))
(defun slack-request-worker-create ()
"Create `slack-request-worker' instance."
(make-instance 'slack-request-worker))
(defmethod slack-request-worker-push ((this slack-request-worker) req)
(let ((l '()))
(cl-pushnew req (oref this queue)
:test #'slack-equalp)))
(defun slack-request-worker-set-timer ()
(cl-labels
((on-timeout ()
(slack-request-worker-execute)
(when (timerp slack-request-worker-instance)
(cancel-timer slack-request-worker-instance))
(slack-request-worker-set-timer)))
(oset slack-request-worker-instance timer
(run-at-time 1 nil #'on-timeout))))
(defun slack-request-worker-execute ()
"Pop request from queue until `slack-request-worker-max-request-limit', and execute."
(when slack-request-worker-instance
(let ((do '())
(skip '())
(current (time-to-seconds))
(limit (- slack-request-worker-max-request-limit
(oref slack-request-worker-instance
current-request-count))))
(cl-loop for req in (reverse (oref slack-request-worker-instance queue))
do (if (and (< (oref req execute-at) current)
(< (length do) limit))
(push req do)
(push req skip)))
;; (message "[WORKER] QUEUE: %s, LIMIT: %s, CURRENT: %s, DO: %s, SKIP: %s"
;; (length (oref slack-request-worker-instance queue))
;; slack-request-worker-max-request-limit
;; (oref slack-request-worker-instance current-request-count)
;; (length do)
;; (length skip))
(oset slack-request-worker-instance queue skip)
(cl-labels
((decl-request-count
()
(cl-decf (oref slack-request-worker-instance
current-request-count))))
(cl-loop for req in do
do (progn
(cl-incf (oref slack-request-worker-instance
current-request-count))
(slack-request req
:on-success #'decl-request-count
:on-error #'decl-request-count
)))))))
(defmethod slack-request-worker-push ((req slack-request-request))
(unless slack-request-worker-instance
(setq slack-request-worker-instance
(slack-request-worker-create)))
(slack-request-worker-push slack-request-worker-instance req)
(unless (oref slack-request-worker-instance timer)
(slack-request-worker-set-timer)))
(defun slack-request-worker-quit ()
"Cancel timer and remove `slack-request-worker-instance'."
(when (and slack-request-worker-instance
(timerp (oref slack-request-worker-instance timer)))
(cancel-timer (oref slack-request-worker-instance timer)))
(setq slack-request-worker-instance nil))
(defmethod slack-request-worker-remove-request ((team slack-team))
"Remove request from TEAM in queue."
(when slack-request-worker-instance
(let ((to-remove '())
(new-queue '())
(all (oref slack-request-worker-instance queue)))
(dolist (req all)
(if (string= (oref (oref req team) id)
(oref team id))
(push req to-remove)
(push req new-queue)))
(dolist (req to-remove)
(when (and (oref req response)
(not (request-response-done-p (oref req response))))
(request-abort (oref req response))))
(oset slack-request-worker-instance queue new-queue)
(slack-log (format "Remove Request from Worker, ALL: %s, REMOVED: %s, NEW-QUEUE: %s"
(length all)
(length to-remove)
(length new-queue))
team :level 'debug))))
(provide 'slack-request-worker)
;;; slack-request-worker.el ends here
|
