From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:51174) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UDU1w-0007kb-1A for qemu-devel@nongnu.org; Thu, 07 Mar 2013 01:10:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UDU1u-0004ac-24 for qemu-devel@nongnu.org; Thu, 07 Mar 2013 01:10:15 -0500 Received: from e28smtp04.in.ibm.com ([122.248.162.4]:36646) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UDU1t-0004a6-2e for qemu-devel@nongnu.org; Thu, 07 Mar 2013 01:10:13 -0500 Received: from /spool/local by e28smtp04.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 7 Mar 2013 11:37:16 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id 6008F1258023 for ; Thu, 7 Mar 2013 11:41:08 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r276A7q127132134 for ; Thu, 7 Mar 2013 11:40:07 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r276A8Se031226 for ; Thu, 7 Mar 2013 17:10:09 +1100 From: Wenchao Xia Date: Thu, 7 Mar 2013 14:07:17 +0800 Message-Id: <1362636445-7188-13-git-send-email-xiawenc@linux.vnet.ibm.com> In-Reply-To: <1362636445-7188-1-git-send-email-xiawenc@linux.vnet.ibm.com> References: <1362636445-7188-1-git-send-email-xiawenc@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH V8 12/20] hmp: add function hmp_info_snapshots() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, aliguori@us.ibm.com, capitulino@redhat.com, stefanha@gmail.com, armbru@redhat.com, pbonzini@redhat.com, Wenchao Xia This function will simply call qmp interface qmp_query_snapshots() added in last commit and then dump information in monitor console. To get snapshot info, Now qemu and qemu-img both call block layer function bdrv_query_snapshot_info_list() in their calling path, and then they just translate the qmp object got to strings in stdout or monitor console. Signed-off-by: Wenchao Xia --- hmp.c | 42 ++++++++++++++++++++++++++++++++++++++++++ hmp.h | 1 + 2 files changed, 43 insertions(+), 0 deletions(-) diff --git a/hmp.c b/hmp.c index 2f47a8a..34f0691 100644 --- a/hmp.c +++ b/hmp.c @@ -607,6 +607,48 @@ void hmp_info_block_jobs(Monitor *mon, const QDict *qdict) } } +/* assume list is valid */ +static void monitor_dump_snapshotinfolist(Monitor *mon, SnapshotInfoList *list) +{ + SnapshotInfoList *elem; + char buf[256]; + + monitor_printf(mon, "%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); + + for (elem = list; elem; elem = elem->next) { + QEMUSnapshotInfo sn = { + .vm_state_size = elem->value->vm_state_size, + .date_sec = elem->value->date_sec, + .date_nsec = elem->value->date_nsec, + .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + + elem->value->vm_clock_nsec, + }; + pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); + pstrcpy(sn.name, sizeof(sn.name), elem->value->name); + monitor_printf(mon, "%s\n", bdrv_snapshot_dump(buf, sizeof(buf), &sn)); + } +} + +void hmp_info_snapshots(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + SnapshotInfoList *list; + + list = qmp_query_snapshots(&err); + if (error_is_set(&err)) { + hmp_handle_error(mon, &err); + return; + } + + if (list == NULL) { + monitor_printf(mon, "There is no suitable snapshot available\n"); + return; + } + + monitor_dump_snapshotinfolist(mon, list); + qapi_free_SnapshotInfoList(list); +} + void hmp_quit(Monitor *mon, const QDict *qdict) { monitor_suspend(mon); diff --git a/hmp.h b/hmp.h index 30b3c20..0b0ae13 100644 --- a/hmp.h +++ b/hmp.h @@ -36,6 +36,7 @@ void hmp_info_spice(Monitor *mon, const QDict *qdict); void hmp_info_balloon(Monitor *mon, const QDict *qdict); void hmp_info_pci(Monitor *mon, const QDict *qdict); void hmp_info_block_jobs(Monitor *mon, const QDict *qdict); +void hmp_info_snapshots(Monitor *mon, const QDict *qdict); void hmp_quit(Monitor *mon, const QDict *qdict); void hmp_stop(Monitor *mon, const QDict *qdict); void hmp_system_reset(Monitor *mon, const QDict *qdict); -- 1.7.1