From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Mario Lang Newsgroups: gmane.emacs.devel Subject: UDP: Send and receive on same port? Date: Tue, 30 Mar 2021 10:58:15 +0200 Message-ID: <87mtulxbko.fsf@blind.guru> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25940"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue Mar 30 10:59:04 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lRADG-0006a3-8s for ged-emacs-devel@m.gmane-mx.org; Tue, 30 Mar 2021 10:59:02 +0200 Original-Received: from localhost ([::1]:56886 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRADF-0006su-BB for ged-emacs-devel@m.gmane-mx.org; Tue, 30 Mar 2021 04:59:01 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53982) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRACh-0006TE-7g for emacs-devel@gnu.org; Tue, 30 Mar 2021 04:58:27 -0400 Original-Received: from familiekainz.at ([37.187.20.171]:39540 helo=ns3035380.ip-37-187-20.eu) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRACf-0007lL-1Y for emacs-devel@gnu.org; Tue, 30 Mar 2021 04:58:26 -0400 Original-Received: by ns3035380.ip-37-187-20.eu (Postfix, from userid 110) id EFD481336; Tue, 30 Mar 2021 08:58:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=blind.guru; s=mail; t=1617094700; bh=oCVgP8rKbRlQGQvqEnGpHnKt8nredVpEBSudJX58wEY=; h=From:To:Subject:Date:From; b=iWf6MeREerBrZPUkKgpxihEuwfZroQCBSlVyvYKHaeC5XEkaPiR5l36PLk7aj8wiG 0H4AkblNOvEfohDQuKNyxx+7ecFdKxJz+0xSHeO9GXDq+GhoS+xrOLuez3BvPONASE MW7f1bz0sdAsgWOsotYF3nw+4N+kHKKT3F3tAqEA= Original-Received: from x1.blind.guru (vra-175-76.tugraz.at [129.27.175.76]) by ns3035380.ip-37-187-20.eu (Postfix) with ESMTPSA id 01EE012B2 for ; Tue, 30 Mar 2021 08:58:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=blind.guru; s=mail; t=1617094698; bh=oCVgP8rKbRlQGQvqEnGpHnKt8nredVpEBSudJX58wEY=; h=From:To:Subject:Date:From; b=WxKnG9HoZFJKKUfAnjB/PVpBxLA2bCZSQji7rgFqPizuo6xqXOXzpzT02DeDRPAQR qaf28/To3eY0hjWHAunWNNywRAE6Sk7QHiwCfMtnqoulvCYtUQDRfvEqXaFHOi+QwD Ft2/Lardgr6x7UIyfwvv4eJE2jiNxRzaYYwdM6yA= Original-Received: by x1.blind.guru (Postfix, from userid 1000) id B1B21E802E1; Tue, 30 Mar 2021 10:58:15 +0200 (CEST) Received-SPF: pass client-ip=37.187.20.171; envelope-from=mlang@blind.guru; helo=ns3035380.ip-37-187-20.eu X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:267161 Archived-At: Hi. Certain OSC (Open Sound Control) applications reply to the UPD sender port, making it necessary to listen on the same port which was allocated for the sending process. I remember having asked this roughly a year ago, and the answer was a no. I'd like to re-raise this one: Can we do something with the process framework to allow listening on a UDP client port? I dont see a way to get the allocated port of the sending process. --=20 CYa, =E2=A1=8D=E2=A0=81=E2=A0=97=E2=A0=8A=E2=A0=95