libmpdclient | C library to implement a MPD client
kandi X-RAY | libmpdclient Summary
kandi X-RAY | libmpdclient Summary
C library to implement a MPD client
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QUESTION
I am trying to write a configure.ac
file to do these tasks:
The
configure
script should accept a--with-libuv
parameter.A variable
with_libuv
should be set to eitheryes
,no
orcheck
(withcheck
being the default value when nothing was passed on the command line).When
with_libuv == "yes"
a mandatory PKG_CHECK_MODULES check forlibuv >= 1.9.0
should be done andHAVE_LIBUV = 1
should be set on success (On errorconfigure
should abort).When
with_libuv == "no"
nothing should be checked,When
with_libuv == "false"
an optional PKG_CHECK_MODULES check (for the same library as in 3.) should be done andHAVE_LIBUV
should be set to either0
or1
accordingly.If
with_libuv != "no" && HAVE_LIBUV == 1
AC_DEFINE should set-DUSE_LIBUV
and AM_CONDITIONAL should setUSE_LIBUV
as a conditional for automake.If not
with_libuv != "no" && HAVE_LIBUV == 1
the preprocessor directive should not be set and the AM_CONDITIONAL should be set to0
.
I have figured out how to do steps 1-5, but I am struggeling with 6 and 7.
Here is my current attempt:
...ANSWER
Answered 2017-Feb-18 at 16:00I think you should use =
instead of -eq
. The -eq
is a relation between integers - the x1
isn't integer!
QUESTION
I'm trying to run an idle loop using libmpdclient
, but already on the first idle call, I get to an apparently unrecoverable error state.
I'm passing false
to the disable_timeout
parameter of mpd_recv_idle
, so that I can stop the loop from the outside (it will be run in a background thread), to ensure a clean shutdown procedure.
Here is my test code:
...ANSWER
Answered 2017-Jan-14 at 09:49From studying the libmpdclient
source code I think I can answer that myself.
A timeout is an unrecoverable error in the library design. That's why the disable_timeout
parameter for mpd_recv_idle ()
is there in the first place.
Synchronous idle requests are expected to block "forever" (until MPD answers the request). This is incompatible with what I want, I will probably have to use the low level async interface to achieve what I want.
And here is my solution (with minimal error checking).
The program waits for the user to press ENTER and processes MPD idle messages in the background which can be interrupted every 200 ms.
What's missing:
- return code parsing
- idle message response parsing
Here is the code:
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