From patchwork Wed Jan 29 16:00:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabiano Rosas X-Patchwork-Id: 13953914 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id ED520C02194 for ; Wed, 29 Jan 2025 16:12:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tdAXf-0006go-3I; Wed, 29 Jan 2025 11:03:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tdAVi-0003JN-1f for qemu-devel@nongnu.org; Wed, 29 Jan 2025 11:01:52 -0500 Received: from smtp-out1.suse.de ([195.135.223.130]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tdAVf-0005Je-IG for qemu-devel@nongnu.org; Wed, 29 Jan 2025 11:01:49 -0500 Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 3E63921109; Wed, 29 Jan 2025 16:01:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1738166506; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kwk6HvYuaZQPaRXwoYW+41oqdJE6a4AJI2X8HRrE9ig=; b=Ow7iMfM9IZL7Dy4c0nVSWQaae2PVfxBc3w9nUieupxoFEOUThsxepxT2c06zPIGmFt7BWo 3EM3LTTemND0Wk+tI1dAc3+tmRV8NXaql+LSBme7AGa4NeUb5xobXQUnMezUDJgaNykdYq EhlTgkBzzVkTUmrXzz/+uOO+vylpx9U= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1738166506; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kwk6HvYuaZQPaRXwoYW+41oqdJE6a4AJI2X8HRrE9ig=; b=gsXBbEGQnZT3FPYO/KzknD4qKLzYf8Lu/tbro/FrGF+WqeVi17aE6FlaW3PImLimZRUaNF Ukpm2ZOV8RuGWWAQ== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=Ow7iMfM9; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=gsXBbEGQ DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1738166506; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kwk6HvYuaZQPaRXwoYW+41oqdJE6a4AJI2X8HRrE9ig=; b=Ow7iMfM9IZL7Dy4c0nVSWQaae2PVfxBc3w9nUieupxoFEOUThsxepxT2c06zPIGmFt7BWo 3EM3LTTemND0Wk+tI1dAc3+tmRV8NXaql+LSBme7AGa4NeUb5xobXQUnMezUDJgaNykdYq EhlTgkBzzVkTUmrXzz/+uOO+vylpx9U= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1738166506; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kwk6HvYuaZQPaRXwoYW+41oqdJE6a4AJI2X8HRrE9ig=; b=gsXBbEGQnZT3FPYO/KzknD4qKLzYf8Lu/tbro/FrGF+WqeVi17aE6FlaW3PImLimZRUaNF Ukpm2ZOV8RuGWWAQ== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id E8834137DB; Wed, 29 Jan 2025 16:01:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id iMfgKehQmmffPAAAD6G6ig (envelope-from ); Wed, 29 Jan 2025 16:01:44 +0000 From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Steve Sistare Subject: [PULL 20/42] tests/qtest: defer connection Date: Wed, 29 Jan 2025 13:00:37 -0300 Message-Id: <20250129160059.6987-21-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20250129160059.6987-1-farosas@suse.de> References: <20250129160059.6987-1-farosas@suse.de> MIME-Version: 1.0 X-Rspamd-Queue-Id: 3E63921109 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; MIME_TRACE(0.00)[0:+]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_DN_SOME(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,suse.de:email,oracle.com:email]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.de:+] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org Received-SPF: pass client-ip=195.135.223.130; envelope-from=farosas@suse.de; helo=smtp-out1.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 Precedence: list List-Id: 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 From: Steve Sistare Add an option to defer making the connecting to the monitor and qtest sockets when calling qtest_init_with_env. The client makes the connection later by calling qtest_connect and qtest_qmp_handshake. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu Link: https://lore.kernel.org/r/1736967650-129648-20-git-send-email-steven.sistare@oracle.com [plumb capabilities list into qtest_qmp_handshake] Signed-off-by: Fabiano Rosas --- tests/qtest/libqtest.c | 99 ++++++++++++++++++++----------- tests/qtest/libqtest.h | 24 +++++++- tests/qtest/migration/framework.c | 7 ++- 3 files changed, 90 insertions(+), 40 deletions(-) diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c index a1e105f27f..fbb51e3e55 100644 --- a/tests/qtest/libqtest.c +++ b/tests/qtest/libqtest.c @@ -75,6 +75,8 @@ struct QTestState { int fd; int qmp_fd; + int sock; + int qmpsock; pid_t qemu_pid; /* our child QEMU process */ int wstatus; #ifdef _WIN32 @@ -458,18 +460,19 @@ static QTestState *G_GNUC_PRINTF(2, 3) qtest_spawn_qemu(const char *qemu_bin, return s; } +static char *qtest_socket_path(const char *suffix) +{ + return g_strdup_printf("%s/qtest-%d.%s", g_get_tmp_dir(), getpid(), suffix); +} + static QTestState *qtest_init_internal(const char *qemu_bin, - const char *extra_args) + const char *extra_args, + bool do_connect) { QTestState *s; int sock, qmpsock, i; - gchar *socket_path; - gchar *qmp_socket_path; - - socket_path = g_strdup_printf("%s/qtest-%d.sock", - g_get_tmp_dir(), getpid()); - qmp_socket_path = g_strdup_printf("%s/qtest-%d.qmp", - g_get_tmp_dir(), getpid()); + g_autofree gchar *socket_path = qtest_socket_path("sock"); + g_autofree gchar *qmp_socket_path = qtest_socket_path("qmp"); /* * It's possible that if an earlier test run crashed it might @@ -501,22 +504,19 @@ static QTestState *qtest_init_internal(const char *qemu_bin, qtest_client_set_rx_handler(s, qtest_client_socket_recv_line); qtest_client_set_tx_handler(s, qtest_client_socket_send); - s->fd = socket_accept(sock); - if (s->fd >= 0) { - s->qmp_fd = socket_accept(qmpsock); - } - unlink(socket_path); - unlink(qmp_socket_path); - g_free(socket_path); - g_free(qmp_socket_path); - - g_assert(s->fd >= 0 && s->qmp_fd >= 0); - s->rx = g_string_new(""); for (i = 0; i < MAX_IRQ; i++) { s->irq_level[i] = false; } + s->fd = -1; + s->qmp_fd = -1; + s->sock = sock; + s->qmpsock = qmpsock; + if (do_connect) { + qtest_connect(s); + } + /* * Stopping QEMU for debugging is not supported on Windows. * @@ -531,28 +531,38 @@ static QTestState *qtest_init_internal(const char *qemu_bin, } #endif + return s; +} + +void qtest_connect(QTestState *s) +{ + g_autofree gchar *socket_path = qtest_socket_path("sock"); + g_autofree gchar *qmp_socket_path = qtest_socket_path("qmp"); + + g_assert(s->sock >= 0 && s->qmpsock >= 0); + s->fd = socket_accept(s->sock); + if (s->fd >= 0) { + s->qmp_fd = socket_accept(s->qmpsock); + } + unlink(socket_path); + unlink(qmp_socket_path); + g_assert(s->fd >= 0 && s->qmp_fd >= 0); + s->sock = s->qmpsock = -1; /* ask endianness of the target */ - s->big_endian = qtest_query_target_endianness(s); - - return s; } QTestState *qtest_init_without_qmp_handshake(const char *extra_args) { - return qtest_init_internal(qtest_qemu_binary(NULL), extra_args); + return qtest_init_internal(qtest_qemu_binary(NULL), extra_args, true); } -QTestState *qtest_init_with_env_and_capabilities(const char *var, - const char *extra_args, - QList *capabilities) +void qtest_qmp_handshake(QTestState *s, QList *capabilities) { - QTestState *s = qtest_init_internal(qtest_qemu_binary(var), extra_args); - QDict *greeting; - /* Read the QMP greeting and then do the handshake */ - greeting = qtest_qmp_receive(s); + QDict *greeting = qtest_qmp_receive(s); qobject_unref(greeting); + if (capabilities) { qtest_qmp_assert_success(s, "{ 'execute': 'qmp_capabilities', " @@ -561,18 +571,37 @@ QTestState *qtest_init_with_env_and_capabilities(const char *var, } else { qtest_qmp_assert_success(s, "{ 'execute': 'qmp_capabilities' }"); } +} +QTestState *qtest_init_with_env_and_capabilities(const char *var, + const char *extra_args, + QList *capabilities, + bool do_connect) +{ + QTestState *s = qtest_init_internal(qtest_qemu_binary(var), extra_args, + do_connect); + + if (do_connect) { + qtest_qmp_handshake(s, capabilities); + } else { + /* + * If the connection is delayed, the capabilities must be set + * at that moment. + */ + assert(!capabilities); + } return s; } -QTestState *qtest_init_with_env(const char *var, const char *extra_args) +QTestState *qtest_init_with_env(const char *var, const char *extra_args, + bool do_connect) { - return qtest_init_with_env_and_capabilities(var, extra_args, NULL); + return qtest_init_with_env_and_capabilities(var, extra_args, NULL, true); } QTestState *qtest_init(const char *extra_args) { - return qtest_init_with_env(NULL, extra_args); + return qtest_init_with_env(NULL, extra_args, true); } QTestState *qtest_vinitf(const char *fmt, va_list ap) @@ -1580,7 +1609,7 @@ static struct MachInfo *qtest_get_machines(const char *var) silence_spawn_log = !g_test_verbose(); - qts = qtest_init_with_env(qemu_var, "-machine none"); + qts = qtest_init_with_env(qemu_var, "-machine none", true); response = qtest_qmp(qts, "{ 'execute': 'query-machines' }"); g_assert(response); list = qdict_get_qlist(response, "return"); @@ -1635,7 +1664,7 @@ static struct CpuModel *qtest_get_cpu_models(void) silence_spawn_log = !g_test_verbose(); - qts = qtest_init_with_env(NULL, "-machine none"); + qts = qtest_init_with_env(NULL, "-machine none", true); response = qtest_qmp(qts, "{ 'execute': 'query-cpu-definitions' }"); g_assert(response); list = qdict_get_qlist(response, "return"); diff --git a/tests/qtest/libqtest.h b/tests/qtest/libqtest.h index ce88d23eae..29f123e281 100644 --- a/tests/qtest/libqtest.h +++ b/tests/qtest/libqtest.h @@ -61,13 +61,15 @@ QTestState *qtest_init(const char *extra_args); * @var: Environment variable from where to take the QEMU binary * @extra_args: Other arguments to pass to QEMU. CAUTION: these * arguments are subject to word splitting and shell evaluation. + * @do_connect: connect to qemu monitor and qtest socket. * * Like qtest_init(), but use a different environment variable for the * QEMU binary. * * Returns: #QTestState instance. */ -QTestState *qtest_init_with_env(const char *var, const char *extra_args); +QTestState *qtest_init_with_env(const char *var, const char *extra_args, + bool do_connect); /** * qtest_init_with_env_and_capabilities: @@ -75,6 +77,7 @@ QTestState *qtest_init_with_env(const char *var, const char *extra_args); * @extra_args: Other arguments to pass to QEMU. CAUTION: these * arguments are subject to word splitting and shell evaluation. * @capabilities: list of QMP capabilities (strings) to enable + * @do_connect: connect to qemu monitor and qtest socket. * * Like qtest_init_with_env(), but enable specified capabilities during * hadshake. @@ -83,7 +86,8 @@ QTestState *qtest_init_with_env(const char *var, const char *extra_args); */ QTestState *qtest_init_with_env_and_capabilities(const char *var, const char *extra_args, - QList *capabilities); + QList *capabilities, + bool do_connect); /** * qtest_init_without_qmp_handshake: @@ -94,6 +98,22 @@ QTestState *qtest_init_with_env_and_capabilities(const char *var, */ QTestState *qtest_init_without_qmp_handshake(const char *extra_args); +/** + * qtest_connect + * @s: #QTestState instance to connect + * Connect to qemu monitor and qtest socket, after skipping them in + * qtest_init_with_env. Does not handshake with the monitor. + */ +void qtest_connect(QTestState *s); + +/** + * qtest_qmp_handshake: + * @s: #QTestState instance to operate on. + * @capabilities: list of QMP capabilities (strings) to enable + * Perform handshake after connecting to qemu monitor. + */ +void qtest_qmp_handshake(QTestState *s, QList *capabilities); + /** * qtest_init_with_serial: * @extra_args: other arguments to pass to QEMU. CAUTION: these diff --git a/tests/qtest/migration/framework.c b/tests/qtest/migration/framework.c index 758e14abab..f7add75ed5 100644 --- a/tests/qtest/migration/framework.c +++ b/tests/qtest/migration/framework.c @@ -196,9 +196,10 @@ static void cleanup(const char *filename) static QList *migrate_start_get_qmp_capabilities(const MigrateStart *args) { - QList *capabilities = qlist_new(); + QList *capabilities = NULL; if (args->oob) { + capabilities = qlist_new(); qlist_append_str(capabilities, "oob"); } return capabilities; @@ -333,7 +334,7 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri, ignore_stderr); if (!args->only_target) { *from = qtest_init_with_env_and_capabilities(QEMU_ENV_SRC, cmd_source, - capabilities); + capabilities, true); qtest_qmp_set_event_callback(*from, migrate_watch_for_events, &src_state); @@ -354,7 +355,7 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri, args->opts_target ? args->opts_target : "", ignore_stderr); *to = qtest_init_with_env_and_capabilities(QEMU_ENV_DST, cmd_target, - capabilities); + capabilities, true); qtest_qmp_set_event_callback(*to, migrate_watch_for_events, &dst_state);