Summary: I had fixed some typos and wrong expressions, such as capital letters, $simbols in .eo and singulars in Ecore, Ecore_Audio, Ecore_Cocoa, Ecore_Con, and Ector API reference doxygen.
Test Plan: Doxygen Revision
Reviewers: Jaehyun_Cho, stefan, jpeg, cedric, raster
Reviewed By: Jaehyun_Cho
Differential Revision: https://phab.enlightenment.org/D4943
It's unlikely that we'll have other stuff under Ip namespace, also not
that likely to have other than Ip Addresses (to invert it to
Address.Ip), thus make a toplevel entry Ip_Address as suggested by
DaveMDS.
Gcc complains that 'flags' here may be used uninitialized. In looking
at the code, 'flags' does not seem to be needed in the debug prints
here. If we keep and initialize the variable to 0 during declaration,
it would only ever print out 0 anyway as 'flags' is never changed in the
code.
@fix
Signed-off-by: Chris Michael <cp.michael@samsung.com>
Summary:
The _ecore_con_post_event_server_upgrade() call adds an event to free
the server_upgrade object, svr, via _ecore_con_server_free(svr) so we
should assume srv is freed after it returns. Thus, perform the
pending_slice processing prior to calling it. Otherwise it triggers an
illegal access (USE_AFTER_FREE) error in Coverity.
@fix CID1373485
Reviewers: barbieri
Reviewed By: barbieri
Subscribers: cedric, jpeg
Differential Revision: https://phab.enlightenment.org/D4785
Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
for dialers we should also monitor "resolved" from inner TCP socket
and emit that ourselves, letting people know that we have an IP
address.
this is important for ecore_con_legacy.c, since the svr->ip is only
decoded and stored once when this signal is emitted.
Since efl_net_ssl_context is immutable for a dialer and we create the
dialer with the context, the SSL cases uses a trick to postpone dialer
creation using a job, then it allows one main loop iteration for the
user to call various ecore_con_server_ssl_*() methods.
However this breaks immediate ecore_con_server_send() after
ecore_con_server_connect() as used to be allowed and used by
azy/erssd.
Most people wouldn't notice that, since the most common case is to
either use ecore_con_url (which uses cURL and a complete different
code path) OR they would wait for ECORE_CON_EVENT_SERVER_ADD prior to
sending data.
Nonetheless it was a compatibility issue and must be fixed.
Fixes T5339
currently it's being defined in evil_fcntl.h, but the actual
implementation of fcntl() in evil_fcntl.c is causing problems with
sockets. So one possibility is to remove the ifdef, another is to
change the implementation.
This is the local socket for windows, analogous to AF_UNIX.
`Efl_Net_Socket_Windows` is the base class doing `ReadFile()` and
`WriteFile()` using overlapped I/O, as well as the close procedure
(`FlushFileBuffers()`, `DisconnectNamedPipe()` and
`CloseHandle()`). These are done on top of an existing HANDLE that is
set by `Efl_Net_Dialer_Windows` (from `CreateFile()`) or
`Efl_Net_Server_Windows` (from `CreateNamedPipe()`).
The overlapped I/O will return immediately, either with operation
completed or `ERROR_IO_PENDING`, which means the kernel will execute
that asynchronously and will later `SetEvent(overlapped.hEvent)` which
is an event we wait on our main loop. That `overlapped` handle must
exist during the call lifetime, thus cannot be bound to `pd`, as we
may call `CancelIo()` but there is no guarantee the memory won't be
touched, in that case we keep the overlapped around, but without an
associated object.
Windows provides no notification "can read without blocking" or
non-blocking calls that returns partial data. The way to go is to use
these overlapped I/O, with an initial `ReadFile()` to an internal
buffer, once that operation finishes, we callback the user to says
there is something to read (`efl_io_reader_can_read_set()`) and wait
until `efl_io_reader_read()` is called to consume the available data,
then `ReadFile()` is called again to read more data to the same
internal buffer.
Likewise, there is no "can write without blocking" or non-blocking
calls that sends only partial data. The way to go is to get user bytes
in `efl_io_writer_write()` and copy them in an internal buffer, then
call `WriteFile()` on that and inform the user nothing else can be
written until that operation completes
(`efl_io_writer_can_write_set()`).
This is cumbersome since we say we "sent" stuff when we actually
didn't, it's still in our internal buffer (`pd->send.bytes`), but
nonetheless the kernel and the other peer may be adding even more
buffers, in this case we need to do a best effort to get it
delivery. A particular case is troublesome: `write() -> close()`, this
may result in `WriteFile()` pending, in this case we wait using
`GetOverlappedResult()`, *this is nasty and may block*, but it's the
only way I see to cope with such common use case.
Other operations, like ongoing `ReadFile()` or `ConnectNamedPipe()`
will be canceled using `CancelIo()`.
Q: Why no I/O Completion Port (IOCP) was used? Why no
CreateThreadpoolIo()? These perform much better!
A: These will call back from secondary threads, but in EFL we must
report back to the user in order to process incoming data or get
more data to send. That is, we serialize everything to the main
thread, making it impossible to use the benefits of IOCP and
similar such as CreateThreadpoolIo(). Since we'd need to wakeup the
main thread anyways, using `OVERLAPPED.hEvent` with
`ecore_main_win32_handler_add()` does the job as we expect.
Thanks to Vincent Torri (vtorri) for his help getting this code done
with an example on how to do the NamedPipe handling on Windows.
Summary: I had fixed some typos and wrong expressions, euch as capital letters, singular Etc. in Ecore and Edje API reference doxygen.
Test Plan: Doxygen Revision
Reviewers: stefan, cedric, raster, Jaehyun_Cho, jpeg
Subscribers: conr2d
Differential Revision: https://phab.enlightenment.org/D4677
This covers ecore audio, avahi, buffer and con.
Summary: There are some typos and cacologigue statements in
doxygen of ecore_audio, ecore_avahi, ecore_buffer, and ecore_con.
Test Plan: API Doxygen Revision
Reviewers: stefan, cedric, raster, Jaehyun_Cho
Subscribers: jpeg, conr2d
Differential Revision: https://phab.enlightenment.org/D4652
so ecore_con/efl_net were using the standard ecore_thread thread pool
for doing things like dns lookups (that can take multiple minutes
until timeouts) and actual http transactions. similarly they can block
thread workers for long periods or indefinitely thus basically
blocking the whole eocre_thread pool and stopping others from sharing
it. the best solution we have right now is to bypass the thread pool
queue and have dedicated threads for these actions. what we should
have is a dedicated thread pool with each thread taking on N
connections (via select etc.) and the ability to create and destroy
thread pools for specific tasks so you can separate the work out from
other work. but that is basically a redesign of our thread pool infra
so let's do the quick solution here until that day comes.
this partially addresses D4640
a dedicated thread per image load though is going to be a lot nastier...
After we call curl_multi_socket_action() we must call
_efl_net_dialer_http_curlm_check() in order to call
curl_multi_info_read() and be notified of handles that were
finished. Otherwise the handle is gone and we'll be waiting for an
action that will never happen.
Fixes T5079
Now you can't use the same syntax as you would for a method to
implement a property as whole, instead you need to specify the
getter and/or setter explicitly. This is to allow parent classes
to expand their properties without altering behavior of the child
classes.
so here's the ugly problem. libproxy. yes. we've discussed memory
usage (e.g. it may have to execute javascript and pull in lots of deps
etc.) but we dlopene'd on the fly. ok... but this didn't solve another
issue i hit:
libproxy was causing enlightenment to abort(). some internal bit of
libproxy was raising a c++ exception. this wasn't caught. this causes
an abort(). takes down your entire desktop. FANTASTIC. this is bad. i
wouldnt' expect a library we depend on to be THIS anti-social but
libproxy seemingly is. it SHOULd catch its error sand just propagate
back to us so we can handle gracefully.
there reall is no way around this - isolate libproxy. it's even worse
that libproxy can load arbitrary modules that come from anywhere sho
who knows what issues this can cause. isolation is the best solution i
can think of.
so this makes an elf+net_proxy_helper we spawn the first time we need
a proxy lookup. we re-use that binary again and again until it exits
(it should exit after 10 seconds of being idle with no requests coming
in/pending). it'll respawn again later if needed. this involves now
the efl net threads having to marshall back to mainloop to do the
spawn and to write to the proxy process (reading is done by async exe
data events and the data is passed down a thread queue to the waitng
efl net thread). if the exe dies with pending requests unanswered then
it's respawned again and the req's are re-sent to it... just in case.
it has a limit on how often it'll respawn quickly.
this seems to work in my limited testing. this ALSO now isolates
memory usage of libproxy to another slave process AND this process
will die taking its memory with it once it's been idle for long
enough. that;s also another good solution to keeping libproxy impact
at bay.
this fixes building against openssl 1.1 since it broke api in various
ways by hiding structs and deprecating api's (this causes warnings not
breaks unlike the struct hiding). this adapts to these changes and
makes efl build again.
@fix
The _c structure used to store the Curl function pointers needs
referencing to be sure it is not freed although still needed.
The non-referencing was leading to a crash during the destruction
of the dialers. The _c was still used although it has been freed
by ecore_con_url_shutdown.
While a socket can be closed to receive data resulting in EOS, it
could still be used to send stuff. Then it won't result in "finished",
just "read,finished" event.
However, previously this was considered a disconnect and we must
respect this otherwise tests (Ecore_Con_Eet suite) will hang waiting
for a disconnect.
On destructor we're not supposed to emit events, I even thought that
would be implicit, but it's not. If we do, for example an event
handler that would 'efl_del()' on "EFL_IO_CLOSER_EVENT_CLOSED" would
trigger too-many unrefs.
UDP client has no socket on its own, so it can't be marked as
close-on-exec, however failing to resolve the method is bad as
confuses the user.
Instead provide a method that checks if the setting is different from
parent, in such case provide a meaningful message. Otherwise just be
quiet.
remove one more TODO: since Efl.Net.Ip.Address was introduced we can
now expose Efl.Net.Socket.Udp.init as a protected method that will
configure the internal address we use for the remote peer. This allow
subclasses to override or call such methods.
There are no jobs to stop there, it was a left over since this code
was somehow derived from Efl.Loop_Fd where "read" and "write" would
constantly be called until the kernel flag was cleared, there the
callback must be removed to stop jobs, not here.
Working directly with Eina_Slice is easier than a pointer to it,
requires no validation of the pointers and is cheap since it's just
putting together size_t + void*.
However we can't hint the user of 'const(Eina.Slice)' properties as
Eolian is incorrectly generating getters as:
const Eina_Slice class_property_get(...)
which is makes compilers complain about ignored qualifiers:
../src/lib/ecore/efl_io_copier.eo.h:329:7: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
Leave some TODO so @q66 can fix those.
Previously we couldn't return a slice, instead required the user to
pass a slice and we'd fill it since Eolian couldn't generate fallbacks
for structures.
Since @q66 fixed eolian, we can now return the structure itself as
initially wanted, ditching some TODO from the code.
Some applications will create the handle, immediately send data, flush
and delete it, expecting the data to be sent to remote peer.
This is a bad behavior as the application would become unresponsive
until the connection is established, data can be written (since
depends on server consuming it), then allow it to be closed.
A proper behavior here would be to chain based on events, with the
usage of a copier would be simply wait for "done" event.
However the legacy API allowed this and terminology depends on this
awkward "feature", thus be bug-compatible.
This fixes T5015.
In the old/legacy API the socket would be opened early in non-blocking
mode (connect returned errno==EINPROGRESS), with UNIX socket being
path-validated early and returning NULL as 'server' handle.
Some applications relied on this instead of monitoring the "ERROR"
events, considering the connection to be successful if there was a
handle -- this was the case with Terminology after it moved from DBus
to Ecore_Ipc.
Although this is not correct, we must keep compatibility and thus we
stat() in compatibility layer, failing early as the old API would do.
These legacy API had the nasty behavior of keeping handles alive until
the pending events were dispatched, this could happen after the module
itself was shutdown, resulting in log to unregistered domains.
Then do not unregister the domain -- eina_shutdown will avoid leaks
anyway.
We do not need to keep a "only_head" flag, but we must set
CURLOPT_NOBODY instead of going the "CUSTOMREQUEST" route, otherwise
curl won't follow redirects, etc.
With the last patch to fix delete-from-curl callback it went too much,
considering it was always dead (in the test scenario it was, so it was
"right"), but broke normal cases.
Myoungwoon Roy, Kim
Gustavo Sverzut Barbieri
Chris Michael
Cedric BAIL
Bryce Harrington
Vincent Torri
Carsten Haitzler
Daniel Kolesa
Daniel Zaoui
Stefan Schmidt