From nobody Sun Feb 8 11:04:59 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) client-ip=8.43.85.245; envelope-from=devel-bounces@lists.libvirt.org; helo=lists.libvirt.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.libvirt.org designates 8.43.85.245 as permitted sender) smtp.mailfrom=devel-bounces@lists.libvirt.org; dmarc=fail(p=none dis=none) header.from=linux.microsoft.com Return-Path: Received: from lists.libvirt.org (lists.libvirt.org [8.43.85.245]) by mx.zohomail.com with SMTPS id 1726751078632574.5072736509927; Thu, 19 Sep 2024 06:04:38 -0700 (PDT) Received: by lists.libvirt.org (Postfix, from userid 996) id 954A815DD; Thu, 19 Sep 2024 09:04:37 -0400 (EDT) Received: from lists.libvirt.org (localhost [IPv6:::1]) by lists.libvirt.org (Postfix) with ESMTP id B555915FF; Thu, 19 Sep 2024 09:02:35 -0400 (EDT) Received: by lists.libvirt.org (Postfix, from userid 996) id 0F34D1374; Thu, 19 Sep 2024 09:02:23 -0400 (EDT) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lists.libvirt.org (Postfix) with ESMTP id EC4C1142F for ; Thu, 19 Sep 2024 09:02:21 -0400 (EDT) Received: from paekkaladevi-dev-u22.gi4irqh5pfqublruu4yyku2wof.phxx.internal.cloudapp.net (unknown [20.125.125.171]) by linux.microsoft.com (Postfix) with ESMTPSA id D774220C0A3B; Thu, 19 Sep 2024 06:02:20 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on lists.libvirt.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_PASS autolearn=unavailable autolearn_force=no version=3.4.4 DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com D774220C0A3B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1726750941; bh=os4Th+8Bkk6lh3Qh2ydmZKg8dCZp+BxsQBZpHXluYSg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EceDOyrmupep1JCt4bM57VMO37y12aGPqcdt0gf5WLOsk6B0Mzn/21gcf5Gd39dUI D9wzTwvLLCUzyEl3sep9bS8so+CqVv/u92jHJGNcAPv62G2SI31oB92T5+7l8oTabX fqVbp/+jEW5K6+BlzXuQJ0YWqG3q8+j0o949mRfE= From: Purna Pavan Chandra Aekkaladevi To: devel@lists.libvirt.org Subject: [PATCH 5/6] ch: events: facilitate lifecycle events handling Date: Thu, 19 Sep 2024 13:02:17 +0000 Message-Id: <20240919130218.738434-6-paekkaladevi@linux.microsoft.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240919130218.738434-1-paekkaladevi@linux.microsoft.com> References: <20240919130218.738434-1-paekkaladevi@linux.microsoft.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: O47M46JEWAMCYNBVMYYFUDVFYMRWUDAG X-Message-ID-Hash: O47M46JEWAMCYNBVMYYFUDVFYMRWUDAG X-MailFrom: paekkaladevi@linux.microsoft.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: paekkaladevi@microsoft.com, prasad.krishnan@microsoft.com, prapal@linux.microsoft.com, liuwe@microsoft.com, Purna Pavan Chandra Aekkaladevi X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-ZohoMail-DKIM: fail (Computed bodyhash is different from the expected one) X-ZM-MESSAGEID: 1726751079652116600 Content-Type: text/plain; charset="utf-8" Implement `virCHProcessEvent` that maps event string to corresponding event type and take appropriate actions. As part of this, handle the shutdown event by correctly updating the domain state. this change also facilitates the handling of other VM lifecycle events, such as booting, rebooting, pause, resume, etc. Signed-off-by: Purna Pavan Chandra Aekkaladevi --- src/ch/ch_events.c | 103 ++++++++++++++++++++++++++++++++++++++++++++- src/ch/ch_events.h | 26 ++++++++++++ 2 files changed, 128 insertions(+), 1 deletion(-) diff --git a/src/ch/ch_events.c b/src/ch/ch_events.c index a028f9813e..6ed03d1c90 100644 --- a/src/ch/ch_events.c +++ b/src/ch/ch_events.c @@ -22,12 +22,110 @@ =20 #include =20 +#include "ch_domain.h" #include "ch_events.h" +#include "ch_process.h" #include "virfile.h" #include "virlog.h" =20 VIR_LOG_INIT("ch.ch_events"); =20 +VIR_ENUM_IMPL(virCHEvent, + VIR_CH_EVENT_LAST, + "vmm:starting", + "vmm:shutdown", + "vm:booting", + "vm:booted", + "vm:rebooting", + "vm:rebooted", + "vm:shutdown", + "vm:deleted", + "vm:pausing", + "vm:paused", + "vm:resuming", + "vm:resumed", + "vm:snapshotting", + "vm:snapshotted", + "vm:restoring", + "vm:restored", +); + +static int virCHEventStopProcess(virDomainObj *vm, + virDomainShutoffReason reason) +{ + virCHDriver *driver =3D ((virCHDomainObjPrivate *)vm->privateData)->d= river; + + if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY)) + return -1; + virCHProcessStop(driver, vm, reason); + virDomainObjEndJob(vm); + + return 0; +} + +static int virCHProcessEvent(virCHMonitor *mon, + virJSONValue *eventJSON) +{ + const char *event; + const char *source; + virCHEvent ev; + g_autofree char *timestamp =3D NULL; + g_autofree char *full_event =3D NULL; + virDomainObj *vm =3D mon->vm; + int ret =3D 0; + + if (virJSONValueObjectHasKey(eventJSON, "source") =3D=3D 0) { + VIR_WARN("Invalid JSON from monitor, no source key"); + return -1; + } + if (virJSONValueObjectHasKey(eventJSON, "event") =3D=3D 0) { + VIR_WARN("Invalid JSON from monitor, no event key"); + return -1; + } + source =3D virJSONValueObjectGetString(eventJSON, "source"); + event =3D virJSONValueObjectGetString(eventJSON, "event"); + full_event =3D g_strdup_printf("%s:%s", source, event); + ev =3D virCHEventTypeFromString(full_event); + VIR_DEBUG("Source: %s Event: %s, ev: %d", source, event, ev); + + switch (ev) { + case VIR_CH_EVENT_VMM_STARTING: + case VIR_CH_EVENT_VM_BOOTING: + case VIR_CH_EVENT_VM_BOOTED: + case VIR_CH_EVENT_VM_REBOOTING: + case VIR_CH_EVENT_VM_REBOOTED: + case VIR_CH_EVENT_VM_PAUSING: + case VIR_CH_EVENT_VM_PAUSED: + case VIR_CH_EVENT_VM_RESUMING: + case VIR_CH_EVENT_VM_RESUMED: + case VIR_CH_EVENT_VM_SNAPSHOTTING: + case VIR_CH_EVENT_VM_SNAPSHOTTED: + case VIR_CH_EVENT_VM_RESTORING: + case VIR_CH_EVENT_VM_RESTORED: + case VIR_CH_EVENT_VM_DELETED: + break; + case VIR_CH_EVENT_VMM_SHUTDOWN: + virObjectLock(vm); + if (virCHEventStopProcess(vm, VIR_DOMAIN_SHUTOFF_SHUTDOWN)) { + VIR_WARN("Failed to mark the VM(%s) as SHUTDOWN!", + vm->def->name); + ret =3D -1; + } + virObjectUnlock(vm); + break; + case VIR_CH_EVENT_VM_SHUTDOWN: + virObjectLock(vm); + virDomainObjSetState(vm, VIR_DOMAIN_SHUTOFF, VIR_DOMAIN_SHUTOF= F_SHUTDOWN); + virObjectUnlock(vm); + break; + case VIR_CH_EVENT_LAST: + default: + VIR_WARN("Unknown event: %s", full_event); + } + + return ret; +} + static int virCHProcessEvents(virCHMonitor *mon) { char *buf =3D mon->event_buffer.buffer; @@ -88,7 +186,10 @@ static int virCHProcessEvents(virCHMonitor *mon) json_start =3D buf + start_index; =20 if ((obj =3D virJSONValueFromString(json_start))) { - /* Process the event string (obj) here */ + if (virCHProcessEvent(mon, obj) < 0) { + VIR_WARN("Failed to process JSON event doc: %s", j= son_start); + ret =3D -1; + } virJSONValueFree(obj); } else { VIR_WARN("Invalid JSON event doc: %s", json_start); diff --git a/src/ch/ch_events.h b/src/ch/ch_events.h index 2e9cdf03bb..3b360628f7 100644 --- a/src/ch/ch_events.h +++ b/src/ch/ch_events.h @@ -24,5 +24,31 @@ =20 #define CH_EVENT_BUFFER_SZ PIPE_BUF =20 +typedef enum { + /* source: vmm */ + VIR_CH_EVENT_VMM_STARTING =3D 0, + VIR_CH_EVENT_VMM_SHUTDOWN, + + /* source: vm */ + VIR_CH_EVENT_VM_BOOTING, + VIR_CH_EVENT_VM_BOOTED, + VIR_CH_EVENT_VM_REBOOTING, + VIR_CH_EVENT_VM_REBOOTED, + VIR_CH_EVENT_VM_SHUTDOWN, + VIR_CH_EVENT_VM_DELETED, + VIR_CH_EVENT_VM_PAUSING, + VIR_CH_EVENT_VM_PAUSED, + VIR_CH_EVENT_VM_RESUMING, + VIR_CH_EVENT_VM_RESUMED, + VIR_CH_EVENT_VM_SNAPSHOTTING, + VIR_CH_EVENT_VM_SNAPSHOTTED, + VIR_CH_EVENT_VM_RESTORING, + VIR_CH_EVENT_VM_RESTORED, + + VIR_CH_EVENT_LAST +} virCHEvent; + +VIR_ENUM_DECL(virCHEvent); + int virCHStartEventHandler(virCHMonitor *mon); void virCHStopEventHandler(virCHMonitor *mon); --=20 2.34.1