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bh=SNqAknbQm/OjCkgRTVQBWPpKthGJqBV5zLUqeU6zju0=; b=JJtaRYmRF7pdl2M9veBpMr3F9XhNQBFdxprpHMGP0bBfOt5VJ1TSxiKRCP/YOozsvHmtd9 nbgL5mJCXpL4E6eUxiaswyHoKAibL0TBFFKRvYMnqlLAkJSGvpNjxrybbluoAaaf1USCbC J1Qfg9uhLKQNfLJhs8mWoUAwQTkeSdM= X-MC-Unique: VFkgv2jZP76ntIWwGJzj9A-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 1/7] migration: use GDateTime for formatting timestamp in snapshot names Date: Wed, 5 May 2021 11:36:56 +0100 Message-Id: <20210505103702.521457-2-berrange@redhat.com> In-Reply-To: <20210505103702.521457-1-berrange@redhat.com> References: <20210505103702.521457-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.697, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Jiri Pirko , qemu-block@nongnu.org, Juan Quintela , Markus Armbruster , Jason Wang , Laurent Vivier , Max Reitz , virtio-fs@redhat.com, Gerd Hoffmann , Stefan Hajnoczi , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , "Dr. David Alan Gilbert" , Brad Smith Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The GDateTime APIs provided by GLib avoid portability pitfalls, such as some platforms where 'struct timeval.tv_sec' field is still 'long' instead of 'time_t'. When combined with automatic cleanup, GDateTime often results in simpler code too. Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Dr. David Alan Gilbert --- migration/savevm.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/migration/savevm.c b/migration/savevm.c index 52e2d72e4b..72848b946c 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2775,8 +2775,7 @@ bool save_snapshot(const char *name, bool overwrite, = const char *vmstate, QEMUFile *f; int saved_vm_running; uint64_t vm_state_size; - qemu_timeval tv; - struct tm tm; + g_autoptr(GDateTime) now =3D g_date_time_new_now_local(); AioContext *aio_context; =20 if (migration_is_blocked(errp)) { @@ -2836,9 +2835,8 @@ bool save_snapshot(const char *name, bool overwrite, = const char *vmstate, memset(sn, 0, sizeof(*sn)); =20 /* fill auxiliary fields */ - qemu_gettimeofday(&tv); - sn->date_sec =3D tv.tv_sec; - sn->date_nsec =3D tv.tv_usec * 1000; + sn->date_sec =3D g_date_time_to_unix(now); + sn->date_nsec =3D g_date_time_get_microsecond(now) * 1000; sn->vm_clock_nsec =3D qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); if (replay_mode !=3D REPLAY_MODE_NONE) { sn->icount =3D replay_get_current_icount(); @@ -2849,9 +2847,8 @@ bool save_snapshot(const char *name, bool overwrite, = const char *vmstate, if (name) { pstrcpy(sn->name, sizeof(sn->name), name); } else { - /* cast below needed for OpenBSD where tv_sec is still 'long' */ - localtime_r((const time_t *)&tv.tv_sec, &tm); - strftime(sn->name, sizeof(sn->name), "vm-%Y%m%d%H%M%S", &tm); + g_autofree char *autoname =3D g_date_time_format(now, "vm-%Y%m%d%= H%M%S"); + pstrcpy(sn->name, sizeof(sn->name), autoname); } =20 /* save the VM state */ --=20 2.31.1