From patchwork Mon Sep 14 08:47:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 1363411 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=S3rlhgo6; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Bqg4z63k0z9sTM for ; Mon, 14 Sep 2020 18:48:50 +1000 (AEST) Received: from localhost ([::1]:55580 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kHkAJ-0006bm-Aa for incoming@patchwork.ozlabs.org; Mon, 14 Sep 2020 04:48:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41314) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kHk9j-0006ad-1d for qemu-devel@nongnu.org; Mon, 14 Sep 2020 04:48:11 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:21055 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kHk9h-0005DE-6w for qemu-devel@nongnu.org; Mon, 14 Sep 2020 04:48:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600073288; 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=s3Qbp7v97u0gkincEc06YlAQyuldnRs3C7IH3sh7GGw=; b=S3rlhgo68KB4AF5daejrPi76+Zq50Os8eUX2UnomY4UB7w60Zlxluko9iYWmdeGshKLJBK zUphQjJoU1kItGiDyt/PMBpHQBfhgPl7wECjUoIkF2OT2RpqJhy76udE2EOLe3ZnILPEwh qF0R7etkYYuFNTwcdSGmp1TVLqtCzac= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-580-LmkFhWFzN7Se9p8mu8-nhg-1; Mon, 14 Sep 2020 04:48:05 -0400 X-MC-Unique: LmkFhWFzN7Se9p8mu8-nhg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 492401007C87; Mon, 14 Sep 2020 08:48:04 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-114-66.ams2.redhat.com [10.36.114.66]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 174717E8CD; Mon, 14 Sep 2020 08:48:04 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 7D2D311329B3; Mon, 14 Sep 2020 10:48:02 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v5 3/8] qapi: Implement deprecated-output=hide for QMP events Date: Mon, 14 Sep 2020 10:47:57 +0200 Message-Id: <20200914084802.4185028-4-armbru@redhat.com> In-Reply-To: <20200914084802.4185028-1-armbru@redhat.com> References: <20200914084802.4185028-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/14 01:39:17 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -37 X-Spam_score: -3.8 X-Spam_bar: --- X-Spam_report: (-3.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.695, 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_H2=-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: marcandre.lureau@gmail.com, mdroth@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This policy suppresses deprecated bits in output, and thus permits "testing the future". Implement it for QMP events: suppress deprecated ones. No QMP event is deprecated right now. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake --- tests/test-qmp-event.c | 20 ++++++++++++++++++++ scripts/qapi/events.py | 14 ++++++++++++-- 2 files changed, 32 insertions(+), 2 deletions(-) diff --git a/tests/test-qmp-event.c b/tests/test-qmp-event.c index 7dd0053190..ab059fb5c2 100644 --- a/tests/test-qmp-event.c +++ b/tests/test-qmp-event.c @@ -14,6 +14,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qapi/qmp/qbool.h" #include "qapi/qmp/qdict.h" @@ -140,6 +141,24 @@ static void test_event_d(TestEventData *data, qobject_unref(data->expect); } +static void test_event_deprecated(TestEventData *data, const void *unused) +{ + data->expect = qdict_from_jsonf_nofail("{ 'event': 'TEST-EVENT-FEATURES1' }"); + + memset(&compat_policy, 0, sizeof(compat_policy)); + + qapi_event_send_test_event_features1(); + g_assert(data->emitted); + + compat_policy.has_deprecated_output = true; + compat_policy.deprecated_output = COMPAT_POLICY_OUTPUT_HIDE; + data->emitted = false; + qapi_event_send_test_event_features1(); + g_assert(!data->emitted); + + qobject_unref(data->expect); +} + int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); @@ -148,6 +167,7 @@ int main(int argc, char **argv) event_test_add("/event/event_b", test_event_b); event_test_add("/event/event_c", test_event_c); event_test_add("/event/event_d", test_event_d); + event_test_add("/event/deprecated", test_event_deprecated); g_test_run(); return 0; diff --git a/scripts/qapi/events.py b/scripts/qapi/events.py index b544af5a1c..95ca4b4753 100644 --- a/scripts/qapi/events.py +++ b/scripts/qapi/events.py @@ -61,7 +61,8 @@ def gen_param_var(typ): return ret -def gen_event_send(name, arg_type, boxed, event_enum_name, event_emit): +def gen_event_send(name, arg_type, features, boxed, + event_enum_name, event_emit): # FIXME: Our declaration of local variables (and of 'errp' in the # parameter list) can collide with exploded members of the event's # data type passed in as parameters. If this collision ever hits in @@ -86,6 +87,14 @@ def gen_event_send(name, arg_type, boxed, event_enum_name, event_emit): if not boxed: ret += gen_param_var(arg_type) + if 'deprecated' in [f.name for f in features]: + ret += mcgen(''' + + if (compat_policy.deprecated_output == COMPAT_POLICY_OUTPUT_HIDE) { + return; + } +''') + ret += mcgen(''' qmp = qmp_event_build_dict("%(name)s"); @@ -154,6 +163,7 @@ class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor): #include "%(prefix)sqapi-emit-events.h" #include "%(events)s.h" #include "%(visit)s.h" +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qapi/qmp/qdict.h" #include "qapi/qobject-output-visitor.h" @@ -192,7 +202,7 @@ void %(event_emit)s(%(event_enum)s event, QDict *qdict); def visit_event(self, name, info, ifcond, features, arg_type, boxed): with ifcontext(ifcond, self._genh, self._genc): self._genh.add(gen_event_send_decl(name, arg_type, boxed)) - self._genc.add(gen_event_send(name, arg_type, boxed, + self._genc.add(gen_event_send(name, arg_type, features, boxed, self._event_enum_name, self._event_emit_name)) # Note: we generate the enum member regardless of @ifcond, to