A blocking call can be problematic when done from inside Xwayland
to the compositor as the compositor could be doing a blocking X call
at the same time. In this instance we found it's likely to happen
because this call will happen shortly after the user accepted the
This is not a problem for the other calls because the portal API
is async for these via request response signalling.
We know exactly the lengths of everything involved here so let's use
memcpy. This way we don't need the stringop-truncation warning (a pragma
clang doesn't support anyway).
This is the more correct approach since we get a sized buffer from the
server and people may use this as reference code in their implementation.
Technically we cannot expect a true zero-terminated string from EIS.
Unfortunately this means we need to work around
libxkbcommon#307 to strip trailing zeroes from the buffer if any exist.
Using MAP_PRIVATE means copy-on-write so our data written into the map
immediately disappears again. This leads to a empty string when sending
a keymap to a client.
F40 now ships v0.121 which again breaks something in the relearn theme
so let's lock our version here to one we know works and move on with
life. I can't be bothered to relearn hugo and themes every few months
just for a single static website.
Changing this would be an API-breaking change (depending on how
bindings are generated) so we'll have to live with this typo for the
foreseeable future.
Closes#53
As the portal documentation [1] says:
Bitmask of what device types to request remote controlling of. Default is all.
The default is only triggered if we do not submit the types at all, the
current behavior of sending a value of 0 means "none". Fix this by
skipping the "types" key if we try to select for all devices.
[1] https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.impl.portal.RemoteDesktop.html
And drop the job to test the minimum meson version in the process. F39
ships with python 3.12 which causes this error with meson 0.56.0
proto/meson.build:17:0: ERROR: <ExternalProgram 'python3' -> ['/usr/bin/python3']> is not a valid python or it is missing setuptools
We could put the effort into setting up the CI to fix this, but we
won't.
Because of the asynchronous protocol, we may get this interaction
server sends A->destroyed()
client sends A->foo()
client receives A->destroyed()
server receives A->foo()
server sends invalid_object_id(A)
client receives invalid_object_id(A)
Previously we dropped the object after destroyed() and were thus
guaranteed to warn about the invalid object id for that same object
later.
Fix this by keeping a cache of defunct object IDs that we know about and
ignoring errors for recently dropped objects.
Every 20 ei_dispatch() calls we drop any defunct objects that were
unregistered more than 5 seconds ago.
Fixes#49
Build a separate libei-eierpecken.so that is identical to libei.so but
allows adding an offset to ei_now() for the eierpecken tests. That
offset is added to the return value of ei_now(), removing the real-time
dependency of the tests.
In other words, we can call peck_ei_add_time_offset(peck, s2us(5)) to
add 5 seconds to the time and continue the test as if that time has
elapsed.
We don't want to paper over bugs in the implementation, so let's make
any ei/eis error message with a bug in it fatal by default.
This needs to be disabled where we test for known-buggy client/EIS
behavior.
To make it easier to print something debuggy from a test.
This is the MVP, it always requires an argument after the format string
but it'll do for now.
This triggered an internal bug message in test_ei_seat_bind_unbind_immediately.
If a client unbinds all capabilities this triggers an EIS_SEAT_BIND with
zero caps. peck would call eis_seat_remove() which calls eis_seat_drop().
That queued another EIS_EVENT_SEAT_BIND with zero capabilities, leading
peck to call eis_seat_remove() again on an already removed seat.
Xwayland uses a timer for the scheduler which means any of our syscalls
can trigger EINTR. Let's make sure we may catch bugs related to that by
setting up our test suite to hammer us with timers.
Can't guarantee this will trigger all bugs but over time it may help or
at least ensure that the low-hanging fruit are all fixed.
This allows us to handle/manipulate argv and/or pass a userdata to the
tests. Same ELF section approach as we already have with the MUNIT_TEST
macro but this time it's for a global setup.
Note that for the generated __start and __stop section variables we have
to have at least one entry in that section which we do with one
hardcoded (and ignored) one.
SIGALRM *should* not really be an issue for us, most of our IO shouldn't
take long (posix_fallocate is the exception) so we can just retry it
instead of blocking someone's use of SIGALRM.
Doing it here mostly means that the rest of libei doesn't have to care
about EINTR, it'll just be handled transparently (just like before with
the SIGALRM blocks).
Limits the number of poll() iterations before triggering a shutdown.
This allows us to use this tool for shutdown testing too - previously
it would just get killed and never performed a proper unwind.
If we get disconnected there's no point sending anything anymore, the
server may have already closed the connection.
Otherwise this produces a confusing warning in the log:
18:37:31 | INFO | Disconnected by EIS
... | WARN | failed to send message: Broken pipe
See https://gitlab.freedesktop.org/libinput/libei/-/merge_requests/262#note_2132619
Any error will cause ei_disconnect() which in turn unwinds our context.
Each object removed will cause an ei_send_message() to notify the server
but that will only cause error messages - our socket is already gone.
Fix this by removing the source and checking if the fd is still valid
before we write to it.
Fixes#47
