From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Vicente Hernando Ara Newsgroups: gmane.emacs.devel Subject: Re: Showing network speed in emacs mode line. Date: Wed, 20 Jan 2010 01:31:32 +0100 Message-ID: <72c70c081001191631g22ab8dadga39cecf967276af7@mail.gmail.com> References: <72c70c081001191500x6820d609vedf29b23a820785a@mail.gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: ger.gmane.org 1263948007 13550 80.91.229.12 (20 Jan 2010 00:40:07 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 20 Jan 2010 00:40:07 +0000 (UTC) Cc: emacs-devel@gnu.org To: Ken Hori Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jan 20 01:40:01 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1NXOc4-0006cE-Ky for ged-emacs-devel@m.gmane.org; Wed, 20 Jan 2010 01:40:00 +0100 Original-Received: from localhost ([127.0.0.1]:38297 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NXOc5-0002xJ-CH for ged-emacs-devel@m.gmane.org; Tue, 19 Jan 2010 19:40:01 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NXOTy-0000yj-W5 for emacs-devel@gnu.org; Tue, 19 Jan 2010 19:31:39 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NXOTu-0000s5-2j for emacs-devel@gnu.org; Tue, 19 Jan 2010 19:31:38 -0500 Original-Received: from [199.232.76.173] (port=33845 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NXOTt-0000rw-Un for emacs-devel@gnu.org; Tue, 19 Jan 2010 19:31:33 -0500 Original-Received: from mail-ew0-f224.google.com ([209.85.219.224]:52323) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NXOTt-00086K-JG for emacs-devel@gnu.org; Tue, 19 Jan 2010 19:31:33 -0500 Original-Received: by ewy24 with SMTP id 24so5468761ewy.26 for ; Tue, 19 Jan 2010 16:31:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=y9UIDmXhNyY+TUGWYecd7JwLXsFxsp7QoV9CS6Vqcxo=; b=Snmh2SbX+kCl3ekkcIERPcJsRCgCurQe4KvHWhH090NBPB24/A2ocqfLE4//M5y3pr 9E6NMrLepIgR7ITL9lP5v8e9lJGLVbAjMpcU57z3VqEoCKdIqsITDzIJLQK74uuLKQeK yPZy6aM7N2YXffxFjC76TGwFjfnqELKbm/qkY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=hi0aqGDvmfJVsDojwxb97K+Un3808fIYSZfTc8ciEEHUm3JVm9qxtRpIUjkiTURKeg HmYqpQ6JOmP7COITO5u6f2YSIPkSqrdKz7/gl+A7LB4TMJI5YqO72jqzgwMVaAKB5JIA anfwrtyj93DmHTy/8WAkRpq1encKQaLdRgPzE= Original-Received: by 10.216.87.9 with SMTP id x9mr2845373wee.0.1263947492570; Tue, 19 Jan 2010 16:31:32 -0800 (PST) In-Reply-To: X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:120250 Archived-At: Hi Ken, this elisp program parses /proc/net/dev file searching for the line containing the interface you selected. Then it gets first and ninth numbers (for received and transmitted bytes) and performs a subtraction and a division to calculate speed) I would check that /proc/net/dev file to know if it changes adequately when you are online. I this gives us no clue I would add a (message "hello") to network-speed-update-handler and network-speed-get-rx-tx-bytes functions. network-speed-update-handler is the function called every network-speed-update-interval seconds and network-speed-get-rx-tx-bytes parses the file and store values in a list of vectors. On 20/01/2010, Ken Hori wrote: > interesting elisp. but the only thing that gets appended to modeline is > > [eth0 rx:0 B/s tx:0 B/s] > > there is no change whatsoever even though i am online (otherwise you wouldnt > receive this email). > > > On Tue, Jan 19, 2010 at 3:00 PM, Vicente Hernando Ara > wrote: > >> Hi to all the emacs community! >> >> I have written an elisp file(attached to this mail) that shows network >> speed in emacs mode line. >> >> Just to make it work: >> >> M-x load-file RET /path/to/network-speed.el >> M-x network-speed-start >> >> and to stop it showing in the mode line >> M-x network-speed-stop >> >> There are several customizable variables. e.g in my .emacs file : >> (custom-set-variables >> .... >> '(network-speed-update-interval 2) ; Shows network speed every 2 >> seconds. >> '(network-speed-interface-list (list "ppp0" "eth0"))) ; Network >> interfaces to be shown in mode line. >> '(network-speed-precision 1) ; Number of digits to be shown after decimal >> point. >> '(network-speed-format-string " [%NI %AX %AB] ") ; or i.e: "[%NI rx:%RX >> tx:%TX]" >> '(network-speed-interface-list (list "ppp0" "eth0")) ; Network >> interfaces >> to be shown in mode line. >> >> network-speed-format-string can be customized to show: >> %NI : network interface name >> %RB: received bytes >> %TB: transmitted bytes >> %AB: all received + transmitted bytes. >> %RX: received byte speed. >> %TX: transmitted byte speed. >> %AX: total byte speed. >> %%%: escape secuence for % character. >> >> I hope you test it and enjoy! >> Any constructive criticism is welcomed. >> I also would be glad about signing FSF papers for this file if it is >> considered worthy. >> >> Kind regards, >> Vicente. >> >