From patchwork Wed Sep 9 15:11:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 274126 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6737FC43461 for ; Wed, 9 Sep 2020 15:14:54 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6F86821919 for ; Wed, 9 Sep 2020 15:14:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JXndqzR1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F86821919 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33138 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kG1oC-0006Sg-Ci for qemu-devel@archiver.kernel.org; Wed, 09 Sep 2020 11:14:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36600) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kG1li-0001Lm-G4 for qemu-devel@nongnu.org; Wed, 09 Sep 2020 11:12:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:55311) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kG1lf-0003nq-RB for qemu-devel@nongnu.org; Wed, 09 Sep 2020 11:12:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1599664335; 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=R+GxBZ05I55j0DxODUUI8P5IDmobelPnlqIg9oLpL6k=; b=JXndqzR1JMGlSqve+QztuyKISp0sZUkgI7yPg5WQ7vR/S9hjaAtg5PjDJ+NdtaTajo8ggs xcaTJkpv8viz83u9fGWPwLBw5J+8c+Qysx8PNPxJW8dKR/oUJjd+FBuv0OtYkqQMTCdulF xrNxOAjycfd9HXaMIPhQSV2NsobPOIs= 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-82-x_wEyWlmNGisnF3QmgrPMA-1; Wed, 09 Sep 2020 11:12:10 -0400 X-MC-Unique: x_wEyWlmNGisnF3QmgrPMA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 666891084D79; Wed, 9 Sep 2020 15:12:09 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-113-221.ams2.redhat.com [10.36.113.221]) by smtp.corp.redhat.com (Postfix) with ESMTP id D4FCF60C07; Wed, 9 Sep 2020 15:12:07 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH v7 06/13] qmp: Call monitor_set_cur() only in qmp_dispatch() Date: Wed, 9 Sep 2020 17:11:42 +0200 Message-Id: <20200909151149.490589-7-kwolf@redhat.com> In-Reply-To: <20200909151149.490589-1-kwolf@redhat.com> References: <20200909151149.490589-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/09 03:25:02 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: kwolf@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com, marcandre.lureau@gmail.com, stefanha@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The correct way to set the current monitor for a coroutine handler will be different than for a blocking handler, so monitor_set_cur() needs to be called in qmp_dispatch(). Signed-off-by: Kevin Wolf --- include/qapi/qmp/dispatch.h | 3 ++- monitor/qmp.c | 8 +------- qapi/qmp-dispatch.c | 8 +++++++- qga/main.c | 2 +- stubs/monitor-core.c | 5 +++++ tests/test-qmp-cmds.c | 6 +++--- 6 files changed, 19 insertions(+), 13 deletions(-) diff --git a/include/qapi/qmp/dispatch.h b/include/qapi/qmp/dispatch.h index 5a9cf82472..0c2f467028 100644 --- a/include/qapi/qmp/dispatch.h +++ b/include/qapi/qmp/dispatch.h @@ -14,6 +14,7 @@ #ifndef QAPI_QMP_DISPATCH_H #define QAPI_QMP_DISPATCH_H +#include "monitor/monitor.h" #include "qemu/queue.h" typedef void (QmpCommandFunc)(QDict *, QObject **, Error **); @@ -49,7 +50,7 @@ const char *qmp_command_name(const QmpCommand *cmd); bool qmp_has_success_response(const QmpCommand *cmd); QDict *qmp_error_response(Error *err); QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request, - bool allow_oob); + bool allow_oob, Monitor *cur_mon); bool qmp_is_oob(const QDict *dict); typedef void (*qmp_cmd_callback_fn)(const QmpCommand *cmd, void *opaque); diff --git a/monitor/qmp.c b/monitor/qmp.c index 8469970c69..922fdb5541 100644 --- a/monitor/qmp.c +++ b/monitor/qmp.c @@ -135,16 +135,10 @@ static void monitor_qmp_respond(MonitorQMP *mon, QDict *rsp) static void monitor_qmp_dispatch(MonitorQMP *mon, QObject *req) { - Monitor *old_mon; QDict *rsp; QDict *error; - old_mon = monitor_set_cur(&mon->common); - assert(old_mon == NULL); - - rsp = qmp_dispatch(mon->commands, req, qmp_oob_enabled(mon)); - - monitor_set_cur(NULL); + rsp = qmp_dispatch(mon->commands, req, qmp_oob_enabled(mon), &mon->common); if (mon->commands == &qmp_cap_negotiation_commands) { error = qdict_get_qdict(rsp, "error"); diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c index 79347e0864..2fdbc0fba4 100644 --- a/qapi/qmp-dispatch.c +++ b/qapi/qmp-dispatch.c @@ -89,7 +89,7 @@ bool qmp_is_oob(const QDict *dict) } QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request, - bool allow_oob) + bool allow_oob, Monitor *cur_mon) { Error *err = NULL; bool oob; @@ -152,7 +152,13 @@ QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request, args = qdict_get_qdict(dict, "arguments"); qobject_ref(args); } + + assert(monitor_cur() == NULL); + monitor_set_cur(cur_mon); + cmd->fn(args, &ret, &err); + + monitor_set_cur(NULL); qobject_unref(args); if (err) { /* or assert(!ret) after reviewing all handlers: */ diff --git a/qga/main.c b/qga/main.c index 3febf3b0fd..241779a1d6 100644 --- a/qga/main.c +++ b/qga/main.c @@ -578,7 +578,7 @@ static void process_event(void *opaque, QObject *obj, Error *err) } g_debug("processing command"); - rsp = qmp_dispatch(&ga_commands, obj, false); + rsp = qmp_dispatch(&ga_commands, obj, false, NULL); end: ret = send_response(s, rsp); diff --git a/stubs/monitor-core.c b/stubs/monitor-core.c index 0cd2d864b2..dc1748bf13 100644 --- a/stubs/monitor-core.c +++ b/stubs/monitor-core.c @@ -8,6 +8,11 @@ Monitor *monitor_cur(void) return NULL; } +Monitor *monitor_set_cur(Monitor *mon) +{ + return NULL; +} + void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp) { } diff --git a/tests/test-qmp-cmds.c b/tests/test-qmp-cmds.c index d12ff47e26..5f1b245e19 100644 --- a/tests/test-qmp-cmds.c +++ b/tests/test-qmp-cmds.c @@ -152,7 +152,7 @@ static QObject *do_qmp_dispatch(bool allow_oob, const char *template, ...) req = qdict_from_vjsonf_nofail(template, ap); va_end(ap); - resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob); + resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob, NULL); g_assert(resp); ret = qdict_get(resp, "return"); g_assert(ret); @@ -175,7 +175,7 @@ static void do_qmp_dispatch_error(bool allow_oob, ErrorClass cls, req = qdict_from_vjsonf_nofail(template, ap); va_end(ap); - resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob); + resp = qmp_dispatch(&qmp_commands, QOBJECT(req), allow_oob, NULL); g_assert(resp); error = qdict_get_qdict(resp, "error"); g_assert(error); @@ -231,7 +231,7 @@ static void test_dispatch_cmd_success_response(void) QDict *resp; qdict_put_str(req, "execute", "cmd-success-response"); - resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false); + resp = qmp_dispatch(&qmp_commands, QOBJECT(req), false, NULL); g_assert_null(resp); qobject_unref(req); }