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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1783346365; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yXxQHOnsd1hcOE9VsGUlLt1+bI1bqLhQR5bgSfzdQK4=; b=Ks9Rvgh+Z937xigzpfT0nvs6vN/Z3wpLk9sFMw4TryXNjYHCUnTVPfdmjVIBECCt3Gqp3f qrSbmdiIO8lA+YUhGXu6vHpTZYaUdd6chQK9LkgyKudOPKsRH1V5rytwBBfauAdSeljyKX iMRpY4VOVuXOAmYOEyCdeivfoOgt8ek= X-MC-Unique: Fa79yf6aN9KWGmrpdm5NJQ-1 X-Mimecast-MFC-AGG-ID: Fa79yf6aN9KWGmrpdm5NJQ_1783346362 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Christian Brauner , devel@lists.libvirt.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Paolo Bonzini , Peter Krempa , Markus Armbruster , "Dr. David Alan Gilbert" , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH v7 13/35] monitor: use class methods for monitor_qapi_event_emit Date: Mon, 6 Jul 2026 14:58:01 +0100 Message-ID: <20260706135824.2623960-14-berrange@redhat.com> In-Reply-To: <20260706135824.2623960-1-berrange@redhat.com> References: <20260706135824.2623960-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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=lists1p.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-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: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1783346415495158500 This removes the need for using monitor_is_qmp() to check the subclass type, which is an anti-pattern. Reviewed-by: Marc-Andr=C3=A9 Lureau Tested-by: Peter Krempa Signed-off-by: Daniel P. Berrang=C3=A9 --- include/monitor/monitor.h | 1 + monitor/monitor-internal.h | 5 +++++ monitor/monitor.c | 15 +++------------ monitor/qmp.c | 20 ++++++++++++++++++++ 4 files changed, 29 insertions(+), 12 deletions(-) diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h index bfbeedec9b..821465f17e 100644 --- a/include/monitor/monitor.h +++ b/include/monitor/monitor.h @@ -3,6 +3,7 @@ =20 #include "block/block.h" #include "qapi/qapi-types-misc.h" +#include "qapi/qapi-emit-events.h" #include "qemu/readline.h" #include "exec/hwaddr.h" #include "qom/object.h" diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h index 23cef68153..763b5c9625 100644 --- a/monitor/monitor-internal.h +++ b/monitor/monitor-internal.h @@ -111,6 +111,11 @@ struct MonitorClass { */ int (*vprintf)(Monitor *mon, const char *fmt, va_list ap) G_GNUC_PRINTF(2, 0); + /* + * If non-NULL, the monitor is able to send event + * notifications back to the client + */ + void (*emit_event)(Monitor *mon, QAPIEvent event, QDict *qdict); }; =20 struct Monitor { diff --git a/monitor/monitor.c b/monitor/monitor.c index 0cb0930bf4..90cfb59c66 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -348,22 +348,13 @@ static inline QEMUClockType monitor_get_event_clock(v= oid) static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict) { Monitor *mon; - MonitorQMP *qmp_mon; =20 trace_monitor_protocol_event_emit(event, qdict); QTAILQ_FOREACH(mon, &mon_list, entry) { - if (!monitor_is_qmp(mon)) { - continue; + MonitorClass *cls =3D MONITOR_GET_CLASS(mon); + if (cls->emit_event) { + cls->emit_event(mon, event, qdict); } - - qmp_mon =3D container_of(mon, MonitorQMP, parent_obj); - { - QEMU_LOCK_GUARD(&mon->mon_lock); - if (qmp_mon->commands =3D=3D &qmp_cap_negotiation_commands) { - continue; - } - } - qmp_send_response(qmp_mon, qdict); } } =20 diff --git a/monitor/qmp.c b/monitor/qmp.c index 3574b9a339..d732fff9a3 100644 --- a/monitor/qmp.c +++ b/monitor/qmp.c @@ -99,11 +99,17 @@ static void monitor_qmp_set_pretty(Object *obj, bool va= l, Error **errp) mon->pretty =3D val; } =20 +static void monitor_qmp_emit_event(Monitor *mon, QAPIEvent event, QDict *q= dict); + static void monitor_qmp_class_init(ObjectClass *cls, const void *data) { + MonitorClass *moncls =3D MONITOR_CLASS(cls); + object_class_property_add_bool(cls, "pretty", monitor_qmp_get_pretty, monitor_qmp_set_pretty); + + moncls->emit_event =3D monitor_qmp_emit_event; } =20 static void handle_qmp_command(void *opaque, QObject *req, Error *err); @@ -117,6 +123,20 @@ static void monitor_qmp_init(Object *obj) json_message_parser_init(&mon->parser, handle_qmp_command, mon, NULL); } =20 +static void monitor_qmp_emit_event(Monitor *mon, QAPIEvent event, QDict *q= dict) +{ + MonitorQMP *qmp =3D MONITOR_QMP(mon); + + WITH_QEMU_LOCK_GUARD(&mon->mon_lock) { + if (qmp->commands =3D=3D &qmp_cap_negotiation_commands) { + return; + } + } + + qmp_send_response(qmp, qdict); +} + + static bool qmp_oob_enabled(MonitorQMP *mon) { return mon->capab[QMP_CAPABILITY_OOB]; --=20 2.55.0