From: Markus Armbruster Date: Mon, 6 Aug 2018 06:53:37 +0000 (+0200) Subject: tests: New helper qtest_qmp_receive_success() X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=3cd46d42fe632b4732eca23b15b99d1b26ee6f2c;p=qmiga%2Fqemu.git tests: New helper qtest_qmp_receive_success() Commit b21373d0713 copied wait_command() from tests/migration-test.c to tests/tpm-util.c. Replace both copies by new libqtest helper qtest_qmp_receive_success(). Also use it to simplify qtest_qmp_device_del(). Bonus: gets rid of a non-literal format string. A step towards compile-time format string checking without triggering -Wformat-nonliteral. Cc: Thomas Huth Cc: Juan Quintela Cc: Dr. David Alan Gilbert Cc: Stefan Berger Signed-off-by: Markus Armbruster Reviewed-by: Juan Quintela Reviewed-by: Stefan Berger Reviewed-by: Eric Blake Message-Id: <20180806065344.7103-17-armbru@redhat.com> --- diff --git a/tests/libqtest.c b/tests/libqtest.c index 17c91f5c47..2f81bc6382 100644 --- a/tests/libqtest.c +++ b/tests/libqtest.c @@ -1004,6 +1004,35 @@ void qtest_cb_for_every_machine(void (*cb)(const char *machine)) qobject_unref(response); } +QDict *qtest_qmp_receive_success(QTestState *s, + void (*event_cb)(void *opaque, + const char *event, + QDict *data), + void *opaque) +{ + QDict *response, *ret, *data; + const char *event; + + for (;;) { + response = qtest_qmp_receive(s); + g_assert(!qdict_haskey(response, "error")); + ret = qdict_get_qdict(response, "return"); + if (ret) { + break; + } + event = qdict_get_str(response, "event"); + data = qdict_get_qdict(response, "data"); + if (event_cb) { + event_cb(opaque, event, data); + } + qobject_unref(response); + } + + qobject_ref(ret); + qobject_unref(response); + return ret; +} + /* * Generic hot-plugging test via the device_add QMP command. */ @@ -1028,6 +1057,14 @@ void qtest_qmp_device_add(const char *driver, const char *id, qobject_unref(response); } +static void device_deleted_cb(void *opaque, const char *name, QDict *data) +{ + bool *got_event = opaque; + + g_assert_cmpstr(name, ==, "DEVICE_DELETED"); + *got_event = true; +} + /* * Generic hot-unplugging test via the device_del QMP command. * Device deletion will get one response and one event. For example: @@ -1048,27 +1085,21 @@ void qtest_qmp_device_add(const char *driver, const char *id, */ void qtest_qmp_device_del(const char *id) { - QDict *response1, *response2, *event = NULL; - - response1 = qmp("{'execute': 'device_del', 'arguments': {'id': %s}}", - id); - g_assert(response1); - g_assert(!qdict_haskey(response1, "error")); - - response2 = qmp_receive(); - g_assert(response2); - g_assert(!qdict_haskey(response2, "error")); + bool got_event = false; + QDict *rsp; - if (qdict_haskey(response1, "event")) { - event = response1; - } else if (qdict_haskey(response2, "event")) { - event = response2; + qtest_qmp_send(global_qtest, + "{'execute': 'device_del', 'arguments': {'id': %s}}", + id); + rsp = qtest_qmp_receive_success(global_qtest, device_deleted_cb, + &got_event); + qobject_unref(rsp); + if (!got_event) { + rsp = qmp_receive(); + g_assert_cmpstr(qdict_get_try_str(rsp, "event"), + ==, "DEVICE_DELETED"); + qobject_unref(rsp); } - g_assert(event); - g_assert_cmpstr(qdict_get_str(event, "event"), ==, "DEVICE_DELETED"); - - qobject_unref(response1); - qobject_unref(response2); } bool qmp_rsp_is_err(QDict *rsp) diff --git a/tests/libqtest.h b/tests/libqtest.h index 70e9c5157c..d3da42623e 100644 --- a/tests/libqtest.h +++ b/tests/libqtest.h @@ -147,6 +147,23 @@ void qtest_qmp_eventwait(QTestState *s, const char *event); QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event); /** + * qtest_qmp_receive_success: + * @s: #QTestState instance to operate on + * @event_cb: Event callback + * @opaque: Argument for @event_cb + * + * Poll QMP messages until a command success response is received. + * If @event_cb, call it for each event received, passing @opaque, + * the event's name and data. + * Return the success response's "return" member. + */ +QDict *qtest_qmp_receive_success(QTestState *s, + void (*event_cb)(void *opaque, + const char *name, + QDict *data), + void *opaque); + +/** * qtest_hmp: * @s: #QTestState instance to operate on. * @fmt...: HMP command to send to QEMU, formats arguments like sprintf(). diff --git a/tests/migration-test.c b/tests/migration-test.c index db652e30a0..402c82bdc4 100644 --- a/tests/migration-test.c +++ b/tests/migration-test.c @@ -149,31 +149,20 @@ static void wait_for_serial(const char *side) } while (true); } +static void stop_cb(void *opaque, const char *name, QDict *data) +{ + if (!strcmp(name, "STOP")) { + got_stop = true; + } +} + /* * Events can get in the way of responses we are actually waiting for. */ static QDict *wait_command(QTestState *who, const char *command) { - const char *event_string; - QDict *response, *ret; - - response = qtest_qmp(who, command); - - while (qdict_haskey(response, "event")) { - /* OK, it was an event */ - event_string = qdict_get_str(response, "event"); - if (!strcmp(event_string, "STOP")) { - got_stop = true; - } - qobject_unref(response); - response = qtest_qmp_receive(who); - } - - ret = qdict_get_qdict(response, "return"); - g_assert(ret); - qobject_ref(ret); - qobject_unref(response); - return ret; + qtest_qmp_send(who, command); + return qtest_qmp_receive_success(who, stop_cb, NULL); } /* diff --git a/tests/tpm-util.c b/tests/tpm-util.c index 3bd2887f1e..9f3f156e42 100644 --- a/tests/tpm-util.c +++ b/tests/tpm-util.c @@ -22,8 +22,6 @@ #define TIS_REG(LOCTY, REG) \ (TPM_TIS_ADDR_BASE + ((LOCTY) << 12) + REG) -static bool got_stop; - void tpm_util_crb_transfer(QTestState *s, const unsigned char *req, size_t req_size, unsigned char *rsp, size_t rsp_size) @@ -247,41 +245,19 @@ void tpm_util_migrate(QTestState *who, const char *uri) qobject_unref(rsp); } -/* - * Events can get in the way of responses we are actually waiting for. - */ -static QDict *tpm_util_wait_command(QTestState *who, const char *command) -{ - const char *event_string; - QDict *response; - - response = qtest_qmp(who, command); - - while (qdict_haskey(response, "event")) { - /* OK, it was an event */ - event_string = qdict_get_str(response, "event"); - if (!strcmp(event_string, "STOP")) { - got_stop = true; - } - qobject_unref(response); - response = qtest_qmp_receive(who); - } - return response; -} - void tpm_util_wait_for_migration_complete(QTestState *who) { while (true) { - QDict *rsp, *rsp_return; + QDict *rsp_return; bool completed; const char *status; - rsp = tpm_util_wait_command(who, "{ 'execute': 'query-migrate' }"); - rsp_return = qdict_get_qdict(rsp, "return"); + qtest_qmp_send(who, "{ 'execute': 'query-migrate' }"); + rsp_return = qtest_qmp_receive_success(who, NULL, NULL); status = qdict_get_str(rsp_return, "status"); completed = strcmp(status, "completed") == 0; g_assert_cmpstr(status, !=, "failed"); - qobject_unref(rsp); + qobject_unref(rsp_return); if (completed) { return; }