From patchwork Wed Jun 5 16:18:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 1110573 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45JvCw6xpRz9s4V for ; Thu, 6 Jun 2019 02:20:44 +1000 (AEST) Received: from localhost ([127.0.0.1]:45854 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hYYeY-00057k-D2 for incoming@patchwork.ozlabs.org; Wed, 05 Jun 2019 12:20:42 -0400 Received: from eggs.gnu.org ([209.51.188.92]:34552) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hYYc6-0003jO-HW for qemu-devel@nongnu.org; Wed, 05 Jun 2019 12:18:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hYYc5-0000B4-4o for qemu-devel@nongnu.org; Wed, 05 Jun 2019 12:18:10 -0400 Received: from relay.sw.ru ([185.231.240.75]:33138) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hYYc4-00005n-TZ; Wed, 05 Jun 2019 12:18:09 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1hYYc1-0003ZF-FG; Wed, 05 Jun 2019 19:18:05 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Wed, 5 Jun 2019 19:18:03 +0300 Message-Id: <20190605161804.118956-2-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190605161804.118956-1-vsementsov@virtuozzo.com> References: <20190605161804.118956-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v2 1/2] io/channel: add qio_channel_set_keepalive X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, berrange@redhat.com, mreitz@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Vladimir Sementsov-Ogievskiy Acked-by: Daniel P. Berrangé --- include/io/channel.h | 15 +++++++++++++++ io/channel-socket.c | 20 ++++++++++++++++++++ io/channel.c | 14 ++++++++++++++ 3 files changed, 49 insertions(+) diff --git a/include/io/channel.h b/include/io/channel.h index 59460cb1ec..b8789ea08a 100644 --- a/include/io/channel.h +++ b/include/io/channel.h @@ -124,6 +124,9 @@ struct QIOChannelClass { int (*io_set_blocking)(QIOChannel *ioc, bool enabled, Error **errp); + int (*io_set_keepalive)(QIOChannel *ioc, + bool enabled, + Error **errp); /* Optional callbacks */ int (*io_shutdown)(QIOChannel *ioc, @@ -490,6 +493,18 @@ int qio_channel_set_blocking(QIOChannel *ioc, bool enabled, Error **errp); +/* + * qio_channel_set_keepalive: + * @ioc: the channel object + * @enabled: the keepalive flag state + * @errp: pointer to a NULL-initialized error object + * + * Returns 0 on success, -1 on error. + */ +int qio_channel_set_keepalive(QIOChannel *ioc, + bool enabled, + Error **errp); + /** * qio_channel_close: * @ioc: the channel object diff --git a/io/channel-socket.c b/io/channel-socket.c index bc5f80e780..84b474851b 100644 --- a/io/channel-socket.c +++ b/io/channel-socket.c @@ -656,6 +656,25 @@ qio_channel_socket_set_blocking(QIOChannel *ioc, } +static int +qio_channel_socket_set_keepalive(QIOChannel *ioc, + bool enabled, + Error **errp) +{ + QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(ioc); + int val = enabled; + int ret = qemu_setsockopt(sioc->fd, SOL_SOCKET, SO_KEEPALIVE, + &val, sizeof(val)); + + if (ret < 0) { + error_setg_errno(errp, errno, "Unable to set KEEPALIVE"); + return -1; + } + + return 0; +} + + static void qio_channel_socket_set_delay(QIOChannel *ioc, bool enabled) @@ -762,6 +781,7 @@ static void qio_channel_socket_class_init(ObjectClass *klass, ioc_klass->io_writev = qio_channel_socket_writev; ioc_klass->io_readv = qio_channel_socket_readv; ioc_klass->io_set_blocking = qio_channel_socket_set_blocking; + ioc_klass->io_set_keepalive = qio_channel_socket_set_keepalive; ioc_klass->io_close = qio_channel_socket_close; ioc_klass->io_shutdown = qio_channel_socket_shutdown; ioc_klass->io_set_cork = qio_channel_socket_set_cork; diff --git a/io/channel.c b/io/channel.c index 2a26c2a2c0..a9e62fdbdc 100644 --- a/io/channel.c +++ b/io/channel.c @@ -265,6 +265,20 @@ int qio_channel_set_blocking(QIOChannel *ioc, return klass->io_set_blocking(ioc, enabled, errp); } +int qio_channel_set_keepalive(QIOChannel *ioc, + bool enabled, + Error **errp) +{ + QIOChannelClass *klass = QIO_CHANNEL_GET_CLASS(ioc); + + if (!klass->io_set_keepalive) { + error_setg(errp, "KEEPALIVE is not supported by IO channel"); + return -1; + } + + return klass->io_set_keepalive(ioc, enabled, errp); +} + int qio_channel_close(QIOChannel *ioc, Error **errp)