From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5C450CDB47F for ; Tue, 23 Jun 2026 10:01:46 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wbxs7-0003Zi-Ap; Tue, 23 Jun 2026 05:56:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wbxs5-0003XH-Ir for qemu-devel@nongnu.org; Tue, 23 Jun 2026 05:56:45 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wbxs3-0003X1-JT for qemu-devel@nongnu.org; Tue, 23 Jun 2026 05:56:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1782208603; 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=ml9Wb/hhzybibso9lYWgCMYriBAQIFedGYdh4Ow1Njg=; b=K87cXSRThScaa8BEhA5mata95L7xQ/fDV/b40+VVPkwb7P18cgVnNLg4WZ/Y/SKRA5JDhG X1Oo/IgicfnZUQtmwtwqyazRfM9//1Jc0+Cj2G1gp4z80L4fHwrjiFc7gFL484RYvF8MGi LfgAvpc83/8a1iVT/4P6U+tppEHKVmY= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-433-xpLKH80TNCOaDCMjCruxTg-1; Tue, 23 Jun 2026 05:56:39 -0400 X-MC-Unique: xpLKH80TNCOaDCMjCruxTg-1 X-Mimecast-MFC-AGG-ID: xpLKH80TNCOaDCMjCruxTg_1782208598 Received: from mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.95]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 66D5B1956070; Tue, 23 Jun 2026 09:56:38 +0000 (UTC) Received: from berrange.com (unknown [10.44.34.133]) by mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4E3C1D6E; Tue, 23 Jun 2026 09:56:35 +0000 (UTC) From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: "Dr. David Alan Gilbert" , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Christian Brauner , devel@lists.libvirt.org, Markus Armbruster , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH v4 11/35] monitor: use class methods for monitor_vprintf Date: Tue, 23 Jun 2026 10:55:27 +0100 Message-ID: <20260623095551.2106712-12-berrange@redhat.com> In-Reply-To: <20260623095551.2106712-1-berrange@redhat.com> References: <20260623095551.2106712-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.6 on 10.30.177.95 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: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This removes the need for using monitor_is_qmp() to check the subclass type, which is an anti-pattern. Reviewed-by: Marc-André Lureau Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Daniel P. Berrangé --- monitor/hmp.c | 13 +++++++++++++ monitor/monitor-internal.h | 7 +++++++ monitor/monitor.c | 11 ++++------- 3 files changed, 24 insertions(+), 7 deletions(-) diff --git a/monitor/hmp.c b/monitor/hmp.c index 2bb2333da5..08055839a4 100644 --- a/monitor/hmp.c +++ b/monitor/hmp.c @@ -68,11 +68,18 @@ static void monitor_hmp_set_readline(Object *obj, bool val, Error **errp) mon->use_readline = val; } +int monitor_hmp_vprintf(Monitor *mon, const char *fmt, va_list ap) + G_GNUC_PRINTF(2, 0); + static void monitor_hmp_class_init(ObjectClass *cls, const void *data) { + MonitorClass *moncls = MONITOR_CLASS(cls); + object_class_property_add_bool(cls, "readline", monitor_hmp_get_readline, monitor_hmp_set_readline); + + moncls->vprintf = monitor_hmp_vprintf; } static void monitor_hmp_init(Object *obj) @@ -87,6 +94,12 @@ static void monitor_hmp_init(Object *obj) hmp->use_readline = true; } +int monitor_hmp_vprintf(Monitor *mon, const char *fmt, va_list ap) +{ + g_autofree char *buf = g_strdup_vprintf(fmt, ap); + return monitor_puts(mon, buf); +} + static void monitor_command_cb(void *opaque, const char *cmdline, void *readline_opaque) { diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h index 6a4c3b0f37..23cef68153 100644 --- a/monitor/monitor-internal.h +++ b/monitor/monitor-internal.h @@ -104,6 +104,13 @@ typedef struct HMPCommand { struct MonitorClass { ObjectClass parent_class; + + /* + * If non-NULL, the monitor is able to print messages + * for attention of the client user + */ + int (*vprintf)(Monitor *mon, const char *fmt, va_list ap) + G_GNUC_PRINTF(2, 0); }; struct Monitor { diff --git a/monitor/monitor.c b/monitor/monitor.c index 76df379a2c..8b70380d64 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -262,21 +262,18 @@ int monitor_puts(Monitor *mon, const char *str) int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) { - char *buf; - int n; + MonitorClass *moncls; if (!mon) { return -1; } - if (monitor_is_qmp(mon)) { + moncls = MONITOR_GET_CLASS(mon); + if (!moncls->vprintf) { return -1; } - buf = g_strdup_vprintf(fmt, ap); - n = monitor_puts(mon, buf); - g_free(buf); - return n; + return moncls->vprintf(mon, fmt, ap); } int monitor_printf(Monitor *mon, const char *fmt, ...) -- 2.54.0