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jupyter-channel.el
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jupyter-channel.el
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;;; jupyter-channel.el --- Jupyter channel interface -*- lexical-binding: t -*-
;; Copyright (C) 2019-2020 Nathaniel Nicandro
;; Author: Nathaniel Nicandro <[email protected]>
;; Created: 27 Jun 2019
;; 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, 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Defines the `jupyter-channel' interface.
;;; Code:
(defclass jupyter-channel ()
((type
:type keyword
:initarg :type
:documentation "The type of this channel.")
(session
:type jupyter-session
:initarg :session
:documentation "The session object used to sign and send/receive messages.")
(endpoint
:type string
:initarg :endpoint
:documentation "The endpoint this channel is connected to.
Typical endpoints look like \"tcp://127.0.0.1:5555\"."))
:abstract t)
(cl-defgeneric jupyter-start-channel ((channel jupyter-channel) &key identity)
"Start a Jupyter CHANNEL using IDENTITY as the routing ID.
If CHANNEL is already alive, do nothing.")
(cl-defgeneric jupyter-stop-channel ((channel jupyter-channel))
"Stop a Jupyter CHANNEL.
If CHANNEL is already stopped, do nothing.")
(cl-defgeneric jupyter-channel-alive-p ((channel jupyter-channel))
"Return non-nil if a CHANNEL is alive.")
(cl-defgeneric jupyter-send (channel type message &optional msg-id)
"On CHANNEL send MESSAGE which has message TYPE and optionally a MSG-ID.")
(cl-defgeneric jupyter-recv (channel &optional dont-wait)
"Receive a message on CHANNEL.
If DONT-WAIT is non-nil, return nil immediately if there is no
message available to receive.")
(provide 'jupyter-channel)
;;; jupyter-channel.el ends here