From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3F5B8FA3740 for ; Mon, 24 Oct 2022 11:00:46 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.428862.679437 (Exim 4.92) (envelope-from ) id 1omvC4-0007CJ-FT; Mon, 24 Oct 2022 11:00:32 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 428862.679437; Mon, 24 Oct 2022 11:00:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1omvC4-0007CC-CE; Mon, 24 Oct 2022 11:00:32 +0000 Received: by outflank-mailman (input) for mailman id 428862; Mon, 24 Oct 2022 11:00:31 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1omvC3-0007BR-0E for xen-devel@lists.xenproject.org; Mon, 24 Oct 2022 11:00:31 +0000 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 124d8f53-538b-11ed-8fd0-01056ac49cbb; Mon, 24 Oct 2022 13:00:29 +0200 (CEST) Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-549-GfbhPK-tPGSU8XwydhnJrA-1; Mon, 24 Oct 2022 07:00:22 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EBC3B3C0F222; Mon, 24 Oct 2022 11:00:21 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.195.118]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AE56BC15BB2; Mon, 24 Oct 2022 11:00:21 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id E471221E6936; Mon, 24 Oct 2022 13:00:19 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 124d8f53-538b-11ed-8fd0-01056ac49cbb DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1666609228; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JNAZ05a51GbUnlYYzMLPhMzSa+J+jdwJlMxR4+x/+O8=; b=PDHjTCCSGYvoBvrqTqfOlOR7ol696wDd5z+617aoulP8x1ODC8iX7uWezuOGy65xLT/xf/ jT9B7qj3JCxNL3AePRYBIWzLSwzWmyV8qiKvCh7rSfe0q48M6neuWqtcX3bz0quZpg0Zj8 P8GnCUzN1xTpISrd9P1CgpjYX1YGo7Y= X-MC-Unique: GfbhPK-tPGSU8XwydhnJrA-1 From: Markus Armbruster To: Laurent Vivier Cc: qemu-devel@nongnu.org, Thomas Huth , xen-devel@lists.xenproject.org, "Dr. David Alan Gilbert" , Anthony Perard , Stefan Weil , David Gibson , Stefano Stabellini , Paul Durrant , Eric Blake , "Michael S. Tsirkin" , Jason Wang , Paolo Bonzini , Samuel Thibault , Greg Kurz , Daniel P. =?utf-8?Q?Berrang=C3=A9?= Subject: Re: [PATCH v14 17/17] net: stream: add QAPI events to report connection state References: <20221021090922.170074-1-lvivier@redhat.com> <20221021090922.170074-18-lvivier@redhat.com> Date: Mon, 24 Oct 2022 13:00:19 +0200 In-Reply-To: <20221021090922.170074-18-lvivier@redhat.com> (Laurent Vivier's message of "Fri, 21 Oct 2022 11:09:22 +0200") Message-ID: <87sfjdsczg.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Laurent Vivier writes: > The netdev reports NETDEV_STREAM_CONNECTED event when the backend > is connected, and NETDEV_STREAM_DISCONNECTED when it is disconnected. > > The NETDEV_STREAM_CONNECTED event includes the destination address. > > This allows a system manager like libvirt to detect when the server > fails. > > For instance with passt: > > { 'execute': 'qmp_capabilities' } > { "return": { } } > { "timestamp": { "seconds": 1666341395, "microseconds": 505347 }, > "event": "NETDEV_STREAM_CONNECTED", > "data": { "netdev-id": "netdev0", > "addr": { "path": "/tmp/passt_1.socket", "type": "unix" } } } > > [killing passt here] > > { "timestamp": { "seconds": 1666341430, "microseconds": 968694 }, > "event": "NETDEV_STREAM_DISCONNECTED", > "data": { "netdev-id": "netdev0" } } > > Signed-off-by: Laurent Vivier > Acked-by: Michael S. Tsirkin QAPI schema Acked-by: Markus Armbruster