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We have several callers that were formatting the argument strings
themselves; consolidate this effort by adding new convenience
functions directly in libqtest, and update some call-sites that
can benefit from it.
Note that the new functions qtest_startf() and qtest_vstartf()
behave more like qtest_init() (the caller must assign global_qtest
after the fact, rather than getting it implicitly set). This helps
us prepare for future patches that get rid of the global variable,
by explicitly highlighting which tests still depend on it now.
Signed-off-by: Eric Blake <eblake@redhat.com>
[thuth: Dropped the hunks that do not apply cleanly to qemu master
yet and added the missing g_free(args) in qtest_vstartf()]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1508336428-20511-2-git-send-email-thuth@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: split of some files in other commits of the same series, add libqtest.c]
Acked-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Prior to commit 063c23d9, we were tracking a list of parallel
qtest objects, in order to safely clean up a SIGABRT handler
only after the last connection quits. But when we switched to
more of glib's infrastructure, the list became dead code that
is never assigned to.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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The user can currently still cause an abort() if running certain tests
(like the prom-env-test) without setting the QTEST_QEMU_BINARY first.
A similar problem has been fixed with commit 7c933ad61b8f3f51337
already, but forgot to also take care of the qtest_get_arch() function,
so let's introduce a proper wrapper around getenv("QTEST_QEMU_BINARY")
that can be used in both locations now.
Buglink: https://bugs.launchpad.net/qemu/+bug/1713434
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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A lot of tests provide code for adding and removing a device via the
device_add and device_del QMP commands. Maintaining this code in so many
places is cumbersome and error-prone (some of the code parts check the
responses for device deletion in an incorrect way, for example, we've got
to deal with both, error code and DEVICE_DEL event here). So let's provide
some proper generic functions for adding and removing a device instead.
The code for correctly unplugging a device has been taken from a patch
from Peter Xu.
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Currently abort handlers only work for the first test function
in a testcase, because the list of abort handlers is not properly
cleared when qtest_quit() is called.
qtest_quit() only deletes the kill_qemu_hook but doesn't completely
clear the abrt_hooks list. The effect is that abrt_hooks.is_setup is
never set to false and in a following test the abrt_hooks list is not
initialized and setup_sigabrt_handler() is not called.
One way to solve this is to clear the list in qtest_quit(), but
that means only asserts between qtest_start and qtest_quit will
be catched by the abort handler.
We can make abort handlers work in all cases if we always setup the
signal handler for SIGABRT in qtest_init.
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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When you currently try to run a test directly from the command line
without setting the QTEST_QEMU_BINARY environment variable first,
you are presented with an unhelpful assertion message like this:
ERROR:tests/libqtest.c:163:qtest_init_without_qmp_handshake:
assertion failed: (qemu_binary != NULL)
Aborted (core dumped)
Let's replace the assert() with a more user friendly error message
instead.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Commit 62c39b3 introduced test-qga, and at face value, appears
to be testing the 'guest-sync' behavior that is recommended for
guests in sending 0xff to QGA to force the parser to reset. But
this aspect of the test has never actually done anything: the
qmp_fd() call chain converts its string argument into QObject,
then converts that QObject back to the actual string that is
sent over the wire - and the conversion process silently drops
the 0xff byte from the string sent to QGA, thus never resetting
the QGA parser.
An upcoming patch will get rid of the wasteful round trip
through QObject, at which point the string in test-qga will be
directly sent over the wire.
But fixing qmp_fd() to actually send 0xff over the wire is not
all we have to do - the actual QMP parser loudly complains that
0xff is not valid JSON, and sends an error message _prior_ to
actually parsing the 'guest-sync' or 'guest-sync-delimited'
command. With 'guest-sync', we cannot easily tell if this error
message is a result of our command - which is WHY we invented
the 'guest-sync-delimited' command. So for the testsuite, fix
things to only check 0xff behavior on 'guest-sync-delimited',
and to loop until we've consumed all garbage prior to the
requested delimiter, which is compatible with the documented actions
that a real QGA client is supposed to do.
Ideally, we'd fix the QGA JSON parser to silently ignore 0xff
rather than sending an error message back, at which point we
could enhance this test for 'guest-sync' as well as for
'guest-sync-delimited'. But for the sake of this patch, our
testing of 'guest-sync' is no worse than it was pre-patch,
because we have never been sending 0xff over the wire in the
first place.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170427215821.19397-11-eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
[Additional comment squashed in, along with matching commit message
update]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Some tests need to run single tests for every available machine of the
current QEMU binary. To avoid code duplication, let's extract this
code that deals with 'query-machines' into a separate function.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1490860207-8302-3-git-send-email-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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When running certain HMP commands (like "device_del") via QMP, we
can sometimes get a QMP event in the response first, so that the
"g_assert(ret)" statement in qtest_hmp() triggers and the test
fails. Fix this by ignoring such QMP events while looking for the
real return value from QMP.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1490860207-8302-2-git-send-email-thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Added note to qtest_hmp/qtest_hmpv's header description to say
it discards events
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Occasionally if a test crashes or is interrupted by the user
at the wrong moment it could leave behind a stale UNIX
socket in /tmp/. This will then cause a subsequent test
run to fail spuriously with
tests/libqtest.c:70:init_socket: assertion failed (ret != -1): (-1 != -1)
if it happens to reuse the same PID.
Defend against this by deleting any stray stale socket before
trying to open the new ones for this test.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1490963801-27870-1-git-send-email-peter.maydell@linaro.org
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <1488317230-26248-10-git-send-email-armbru@redhat.com>
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The next few commits will put the errors to use where appropriate.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <1488317230-26248-9-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1488544368-30622-4-git-send-email-armbru@redhat.com>
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The next commit is going to add a test that calls qmp("null").
Curiously, this hangs. Here's why.
qmp_fd_sendv() doesn't send newlines. Not even when @fmt contains
some. At first glance, the QMP parser seems to be fine with that.
However, it turns out that it fails to react to input until it sees
either a newline, an object or an array. To reproduce, feed to a QMP
monitor like this:
$ echo -n 'null' | socat UNIX:/work/armbru/images/test-qmp STDIO
{"QMP": {"version": {"qemu": {"micro": 50, "minor": 8, "major": 2}, "package": " (v2.8.0-1195-gf84141e-dirty)"}, "capabilities": []}}
No output after the greeting.
Add a newline:
$ echo 'null' | socat UNIX:/work/armbru/images/test-qmp STDIO
{"QMP": {"version": {"qemu": {"micro": 50, "minor": 8, "major": 2}, "package": " (v2.8.0-1195-gf84141e-dirty)"}, "capabilities": []}}
{"error": {"class": "GenericError", "desc": "Expected 'object' in QMP input"}}
Correct output for input 'null'.
Add an object instead:
$ echo -n 'null { "execute": "qmp_capabilities" }' | socat UNIX:qmp-socket STDIO
{"QMP": {"version": {"qemu": {"micro": 50, "minor": 8, "major": 2}, "package": " (v2.8.0-1195-gf84141e-dirty)"}, "capabilities": []}}
{"error": {"class": "GenericError", "desc": "Expected 'object' in QMP input"}}
{"return": {}}
Also correct output.
Work around this QMP bug by having qmp_fd_sendv() append a newline.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1488544368-30622-3-git-send-email-armbru@redhat.com>
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Move the fallback from qtest_add_data_func_full() to glib-compat.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Use qobject_to_qdict() instead of a type cast.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1487363905-9480-6-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Some recently added tests pass a zero length to qtest_memwrite().
Unfortunately, the qtest protocol doesn't implement an on-the-wire
syntax for zero-length writes and the current code happily sends
garbage to QEMU. This causes intermittent failures.
It isn't worth the pain to enhance the protocol, so this patch
simply fixes the issue by "just return, doing nothing". The same
fix is applied to qtest_memread() since the issue also exists in
the QEMU part of the "memread" command.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 148412457273.22750.983275587432075569.stgit@bahia
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Wait for an event, but return a copy so we can investigate parameters.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1478553214-497-3-git-send-email-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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The target endianness is not deduced anymore from
the architecture name but asked directly to the guest,
using a new qtest command: "endianness". As it can't
change (this is the value of TARGET_WORDS_BIGENDIAN),
we store it to not have to ask every time we want to
know if we have to byte-swap a value.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
CC: Greg Kurz <groug@kaod.org>
CC: David Gibson <david@gibson.dropbear.id.au>
CC: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Add a first test to validate the protocol:
- rtas/get-time-of-day compares the time
from the guest with the time from the host.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Allows one to specify a destroy function for the test data.
Add a fallback using glib g_test_add_vtable() internal function, whose
signature changed over time. Tested with glib 2.22, 2.26 and 2.48, which
according to git log should be enough to cover all variations.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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I kept getting timeouts and unix socket accept failures under high
load, the patch fixes it.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Message-id: 1465816605-29488-6-git-send-email-dgilbert@redhat.com
Message-Id: <1465816605-29488-6-git-send-email-dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
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Remove glib.h includes, as it is provided by osdep.h.
This commit was created with scripts/clean-includes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.
This commit was created with scripts/clean-includes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
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We have several function parameters declared as void (*fn). This is
just a stupid way to write void *, and the only purpose writing it
like that could serve is obscuring the sin of bypassing the type
system without need.
The original sin is commit 49ee359: its qtest_add_func() is a wrapper
for g_test_add_func(). Fix the parameter type to match
g_test_add_func()'s. This uncovers type errors in ide-test.c; fix
them.
Commit 7949c0e faithfully repeated the sin for qtest_add_data_func().
Fix it the same way, along with a harmless type error uncovered in
vhost-user-test.c.
Commit 063c23d repeated it for qtest_add_abrt_handler(). The screwy
parameter gets assigned to GHook member func, so change its type to
match. Requires wrapping kill_qemu() to keep the type checker happy.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[AF/armbru: Inline GTestFunc/GTestDataFunc typedef for old GLib]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Even though we still have the "streamer" concept, the tokens can now
be deleted as they are read. While doing so convert from QList to
GQueue, since the next step will make tokens not a QObject and we
will have to do the conversion anyway.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1448300659-23559-4-git-send-email-pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Allow a test to add abort handlers, use GHook for all handlers.
There is currently no way to remove a handler, but it could be
later added if needed.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
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Add a few functions to interact with qmp via a simple fd.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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New convenience function hmp() to facilitate use of
human-monitor-command in tests. Use it to simplify its existing uses.
To blend into existing libqtest code, also add qtest_hmpv() and
qtest_hmp(). That, and the egregiously verbose GTK-Doc comment format
make this patch look bigger than it is.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1443689999-12182-7-git-send-email-armbru@redhat.com>
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Unused since commit d766825.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443689999-12182-6-git-send-email-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
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Instead of converting each byte one-at-a-time and then sending each byte
over the wire, use sprintf() to pre-compute all of the hex nibs into a
single buffer, then send the entire buffer all at once.
This gives a moderate speed boost to memread() and memwrite() functions.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1431021095-7558-2-git-send-email-jsnow@redhat.com
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Previously, memset was just a frontend to write() and only
stupidly sent the pattern many times across the wire.
Let's not discuss who stupidly wrote it like that in the first place.
(Hint: It was me.)
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1430864578-22072-4-git-send-email-jsnow@redhat.com
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For larger pieces of data that won't need to be debugged and
viewing the hex nibbles is unlikely to be useful, we can encode
data using base64 instead of encoding each byte as %02x, which
leads to some space savings and faster reads/writes.
For now, the default is left as hex nibbles in memwrite() and memread().
For the purposes of making qtest io easier to read and debug, some
callers may want to specify using the old encoding format for small
patches of data where the savings from base64 wouldn't be that profound.
memwrite/memread use a data encoding that takes 2x the size of the original
buffer, but base64 uses "only" (4/3)x, so for larger buffers we can save a
decent amount of time and space.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1430864578-22072-3-git-send-email-jsnow@redhat.com
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Signed-off-by: Ed Maste <emaste@freebsd.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1427911244-22565-1-git-send-email-emaste@freebsd.org
Signed-off-by: John Snow <jsnow@redhat.com>
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Add qmp_async, which lets us send QMP commands asynchronously.
This is useful when we want to send commands that will trigger
event responses, but we don't know in what order to expect them.
Sometimes the event responses may arrive even before the command
confirmation will show up, so it is convenient to leave the responses
in the stream.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1426018503-821-5-git-send-email-jsnow@redhat.com
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Allow the user to poll until a desired interrupt occurs.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1426018503-821-4-git-send-email-jsnow@redhat.com
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It calls g_test_add_data_func() with a path supplemented by the
architecture, like qtest_add_func() does.
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Add functions to read and write virtio header fields.
Add status bit setting in virtio-blk-device.
Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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No test case actually uses the audio backend. Disable audio to prevent
warnings on hosts with no sound hardware present:
GTESTER check-qtest-aarch64
sdl: SDL_OpenAudio failed
sdl: Reason: No available audio device
sdl: SDL_OpenAudio failed
sdl: Reason: No available audio device
audio: Failed to create voice `lm4549.out'
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Fixes a small memory leak inside of libqtest.
After we produce a test path and glib copies the string
for itself, we should clean up our temporary copy.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Currently, libqtest allows for memread and memwrite, but
does not offer a simple way to zero out regions of memory.
This patch adds a simple function to do so.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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libqtest is using g_strdup_printf to format QMP commands, but
this does not work if the argument strings need to be escaped.
Instead, use the fancy %-formatting functionality of QObject.
The only change required in tests is that strings have to be
formatted as %s, not '%s' or \"%s\". Luckily this usage of
parameterized QMP commands is not that frequent.
The leak is in socket_sendf. Since we are extracting the send
loop to a new function, fix it now.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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POSIX specifies that address_len shall on output specify the length of
the stored address; it does not however specify whether it may get
updated on failure as well to, e.g., zero.
In case EINTR occurs, re-initialize the variable to the desired value.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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We're not using the GLib infrastructure here, to allow cleaning up the
sockets. Still, knowing why a certain test run failed can be valuable.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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In practice this seems very unlikely, so cleanup is neglected, as done
for bind().
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Keep track of active qtest instances so we can kill them when the test
aborts. This ensures no QEMU processes are left running after test
failure.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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