From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id 4JZwInhFZGLGMAAAbAwnHQ (envelope-from ) for ; Sat, 23 Apr 2022 20:29:12 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id sCdvInhFZGLpbwEA9RJhRA (envelope-from ) for ; Sat, 23 Apr 2022 20:29:12 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 37F7910F67 for ; Sat, 23 Apr 2022 20:29:12 +0200 (CEST) Received: from localhost ([::1]:50750 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1niKVL-0000Eb-0V for larch@yhetil.org; Sat, 23 Apr 2022 14:29:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34218) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1niKVC-0000ES-Qf for guix-patches@gnu.org; Sat, 23 Apr 2022 14:29:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:35079) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1niKVC-0002Yv-IN for guix-patches@gnu.org; Sat, 23 Apr 2022 14:29:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1niKVC-0000hb-Ct for guix-patches@gnu.org; Sat, 23 Apr 2022 14:29:02 -0400 X-Loop: help-debbugs@gnu.org Subject: [bug#54986] [PATCH v2 3/3 WIP] services: mpd: Support socket activation. Resent-From: Liliana Marie Prikler Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Sat, 23 Apr 2022 18:29:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 54986 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: Maxime Devos , 54986@debbugs.gnu.org Cc: ludo@gnu.org Received: via spool by 54986-submit@debbugs.gnu.org id=B54986.16507385212669 (code B ref 54986); Sat, 23 Apr 2022 18:29:02 +0000 Received: (at 54986) by debbugs.gnu.org; 23 Apr 2022 18:28:41 +0000 Received: from localhost ([127.0.0.1]:57209 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1niKUq-0000gy-MA for submit@debbugs.gnu.org; Sat, 23 Apr 2022 14:28:40 -0400 Received: from mail-ej1-f67.google.com ([209.85.218.67]:43962) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1niKUn-0000gk-RE for 54986@debbugs.gnu.org; Sat, 23 Apr 2022 14:28:39 -0400 Received: by mail-ej1-f67.google.com with SMTP id m20so1444680ejj.10 for <54986@debbugs.gnu.org>; Sat, 23 Apr 2022 11:28:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=k/KIimFRxpvkJ4InD2HRRLdSFFzMv78Z4BCc68ZdAtI=; b=hatAJwXfuxP2elBhSMaS4OVZ8NPcw9F9PMWdrhGD4ZD3BWqMjzehsZ6Q+1xMEBllNg hzhaQcvNPH5fe0igvqYhEslZVEovQQWUSvLjHqagrsONDqsrdrQxyCWkaIrpNGf9+F9C gGUskhdpHKW99vcS36QxsE0+Xuqgb7bZGbIO3W3DZf2ugGJmW87wS6B746wt+ea+iS1M hAe+zR/yLQb+ZpnWce+sPS8ltMwQs+hbIdkG1oYzipX7aam/BHDO0k2RRsC0DMfJqmC8 WUA7AouFSq1027Ic7pI5BKFGqrhMU7OjBehgpGcfO1V7ZZlddddT18xpV9rqM+xkH8Eb 4peg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=k/KIimFRxpvkJ4InD2HRRLdSFFzMv78Z4BCc68ZdAtI=; b=k8dv3S2dzSUt4yucSxSGJCnVTij/ge4u2ELVpkL7YdnzhtxYYo9OWr3hevSiloqJD8 AZKXGg6sTttLtS2PZDyMsXfsSvoZIqFmh9C0BTxJDzKDktk/NSKlIdBDhc7CpMTKKthw Ztqu6pmxjlq3MaNzhz7oBamzsMrKvLZge0gEIJdg0tmk6ap1TWAwgMqWaWzs21Fbe2cn QLmSc8Kfh2/wonEKIoRb1A+vOgfK5xg3XJqsdNrOJ+Fwue1D5M+hTQ+ifknp4NV6+bYK d2ZdguDDr3buyc/Q8hBIE7c+7TcUu1kfn+q2TYdHx/DxXT7MQN//lonL0BGqHaIh/DDu lPXA== X-Gm-Message-State: AOAM533208yL+TIG51b7wMUx61qEH2IGHXaYNhRh9WIqIhncv6PiohBf lbMAwDW4p7aDV75Oq2CV/lU= X-Google-Smtp-Source: ABdhPJx6dwyUJsp1JeRWirLoPfVp8ptqVy2W/pTrELTM+kNHJlqu/hXdhFSQn7eauD+bv5MHgcr8ag== X-Received: by 2002:a17:907:6d8e:b0:6f0:298f:da11 with SMTP id sb14-20020a1709076d8e00b006f0298fda11mr9176785ejc.562.1650738512005; Sat, 23 Apr 2022 11:28:32 -0700 (PDT) Received: from nijino.fritz.box (85-127-52-93.dsl.dynamic.surfer.at. [85.127.52.93]) by smtp.gmail.com with ESMTPSA id gz15-20020a170906f2cf00b006f3802a963fsm391826ejb.21.2022.04.23.11.28.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 Apr 2022 11:28:31 -0700 (PDT) Message-ID: From: Liliana Marie Prikler Date: Sat, 23 Apr 2022 20:28:30 +0200 In-Reply-To: <118400e2373bae7c4147e51ed2eb26eec27e3a05.camel@telenet.be> References: <9d4cc9d3ebb05d2aabf8f06e1890efe9b0b9a849.camel@gmail.com> <155723efbcf08c6e0bb6552b8f6341d4a1f20ecb.camel@gmail.com> <118400e2373bae7c4147e51ed2eb26eec27e3a05.camel@telenet.be> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1650738552; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:resent-cc: resent-from:resent-sender:resent-message-id:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=k/KIimFRxpvkJ4InD2HRRLdSFFzMv78Z4BCc68ZdAtI=; b=KopIchhTi/3oPmZf/vH71ZZQUROwMCZot8Hxfi+Dwu5CSzSJkJsqe0hxRwbt+RLvaAKVdJ bedMDamfViK23RYyzWmZq1lnRyyrpKCbdxfHxC5KiG2Xt9jRh+o1J0suv3/1mFSt4hawmo zBsiKgOeEy9M0mynkdvU9xjtq6y/BNmcTophGU9zfyrZ4iyBTSzySjT7CrdH24U7R+7M0w dP+fK3ZYjm2Pj88uX6Q7rFNXa0sSfqUgkgfbmbIiHhBkH4Xrcpoc99DPL0r7gKaTwKrd+B LkB8r+7UxSi2vE/UVbNIqDr452RqsKFUB7Cw+qe5ah86w7RyWXQ9BA/ozrDEXQ== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1650738552; a=rsa-sha256; cv=none; b=GzTpTEogh5+awK/swGFl/yYk4kAIEqG6wzeNu+zCdDfv4awCbH1/o7t+jigMxjx+j4YEYJ K2QJxcRKCNvtbwkG8Dy7rRB3VX6IQMywtoKo/VvbGOLq+osSG7zA9zJhEp7feZmp/rTrjq zW2a0RCwwf8LAcaI54Vi7+MzZVuppEHo0tHVWce+Tjp+VYVGSTRAw5HYwIcjdc6ZRcpm5E EahzhyxkFc6JIvB1+TEZyaMnzeqGttpq3WIATBuJtjGfPyzHxGOAfv2BMqCI5FyjAzgfLS VacubrKz4fGGJTQNylbFRIXhMEAd9mIFhEJQQOvWVRgaL/4uPbdBEnd29pZsjg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gmail.com header.s=20210112 header.b=hatAJwXf; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 5.98 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gmail.com header.s=20210112 header.b=hatAJwXf; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 37F7910F67 X-Spam-Score: 5.98 X-Migadu-Scanner: scn1.migadu.com X-TUID: 7yYbE7uy2pLg Am Samstag, dem 23.04.2022 um 19:35 +0200 schrieb Maxime Devos: > Liliana Marie Prikler schreef op za 23-04-2022 om 16:39 [+0200]: > > +@item @code{shepherd-endpoints} (default: @code{'()}) > > +The endpoints shepherd shall bind and spawn MPD from.  If this > > field is > > +not empty (checked via @code{null?}), a systemd-style service is > > used > > +rather than a forkexec-service. > > systemd-style / forkexec-service looks like an implementation detail > to me, not something useful to the user. > > >  This delays the start of MPD until the > > +first client connects. > > Likewise. Even if this was just an implementation detail, I shall point to Hyrum's law. > >   As a side effect @code{port} and @code{address} > > +may be ignored. > > Could these three fields be unified, keeping 'port' and 'address' > only for some backwards compatibility?  E.g.: > >   (mpd-configuration >     (endpoints (list (shepherd-endpoint [a AF_INET6 address]) >                      (shepherd-endpoint [a AF_UNIX address])))) Not AFAIK. MPD is less strict than Guile when it comes to addresses, so converting from address+port to socket addresses is nontrivial. That being said, I'm not sure if they are even ignored. MPD only warns about pid_file, so they might also be used. Cheers