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Punt poller-pa.c to liberty

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Now it also has tests in its new home.
This commit is contained in:
Přemysl Eric Janouch 2021-11-07 15:41:53 +01:00
parent 67bd22c154
commit 6148d62ba2
Signed by: p
GPG Key ID: A0420B94F92B9493
4 changed files with 3 additions and 351 deletions
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2
liberty

@ -1 +1 @@
Subproject commit 34f86651f6220038c0ee07d3f422a52d9b081f02
Subproject commit 782a9a5977bd5f2101e8808b94d659fe52e2490a

2
paswitch.c
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@ -26,7 +26,7 @@
#undef PROGRAM_NAME
#define PROGRAM_NAME "paswitch"
#include "liberty/liberty.c"
#include "poller-pa.c"
#include "liberty/liberty-pulse.c"
#include <locale.h>
#include <wchar.h>

348
poller-pa.c
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@ -1,348 +0,0 @@
/*
* pa.c: PulseAudio mainloop abstraction
*
* Copyright (c) 2016 - 2017, Přemysl Eric Janouch <p@janouch.name>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <pulse/mainloop.h>
// --- PulseAudio mainloop abstraction -----------------------------------------
struct pa_io_event
{
LIST_HEADER (pa_io_event)
pa_mainloop_api *api; ///< Parent structure
struct poller_fd fd; ///< Underlying FD event
pa_io_event_cb_t dispatch; ///< Dispatcher
pa_io_event_destroy_cb_t free; ///< Destroyer
void *user_data; ///< User data
};
struct pa_time_event
{
LIST_HEADER (pa_time_event)
pa_mainloop_api *api; ///< Parent structure
struct poller_timer timer; ///< Underlying timer event
pa_time_event_cb_t dispatch; ///< Dispatcher
pa_time_event_destroy_cb_t free; ///< Destroyer
void *user_data; ///< User data
};
struct pa_defer_event
{
LIST_HEADER (pa_defer_event)
pa_mainloop_api *api; ///< Parent structure
struct poller_idle idle; ///< Underlying idle event
pa_defer_event_cb_t dispatch; ///< Dispatcher
pa_defer_event_destroy_cb_t free; ///< Destroyer
void *user_data; ///< User data
};
struct poller_pa
{
struct poller *poller; ///< The underlying event loop
pa_io_event *io_list; ///< I/O events
pa_time_event *time_list; ///< Timer events
pa_defer_event *defer_list; ///< Deferred events
};
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static short
poller_pa_flags_to_events (pa_io_event_flags_t flags)
{
short result = 0;
if (flags & PA_IO_EVENT_ERROR) result |= POLLERR;
if (flags & PA_IO_EVENT_HANGUP) result |= POLLHUP;
if (flags & PA_IO_EVENT_INPUT) result |= POLLIN;
if (flags & PA_IO_EVENT_OUTPUT) result |= POLLOUT;
return result;
}
static pa_io_event_flags_t
poller_pa_events_to_flags (short events)
{
pa_io_event_flags_t result = 0;
if (events & POLLERR) result |= PA_IO_EVENT_ERROR;
if (events & POLLHUP) result |= PA_IO_EVENT_HANGUP;
if (events & POLLIN) result |= PA_IO_EVENT_INPUT;
if (events & POLLOUT) result |= PA_IO_EVENT_OUTPUT;
return result;
}
static struct timeval
poller_pa_get_current_time (void)
{
struct timeval tv;
#ifdef _POSIX_TIMERS
struct timespec tp;
hard_assert (clock_gettime (CLOCK_REALTIME, &tp) != -1);
tv.tv_sec = tp.tv_sec;
tv.tv_usec = tp.tv_nsec / 1000;
#else
gettimeofday (&tv, NULL);
#endif
return tv;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
poller_pa_io_dispatcher (const struct pollfd *pfd, void *user_data)
{
pa_io_event *self = user_data;
self->dispatch (self->api, self,
pfd->fd, poller_pa_events_to_flags (pfd->revents), self->user_data);
}
static void
poller_pa_io_enable (pa_io_event *self, pa_io_event_flags_t events)
{
struct poller_fd *fd = &self->fd;
if (events)
poller_fd_set (fd, poller_pa_flags_to_events (events));
else
poller_fd_reset (fd);
}
static pa_io_event *
poller_pa_io_new (pa_mainloop_api *api, int fd_, pa_io_event_flags_t events,
pa_io_event_cb_t cb, void *userdata)
{
pa_io_event *self = xcalloc (1, sizeof *self);
self->api = api;
self->dispatch = cb;
self->user_data = userdata;
struct poller_pa *data = api->userdata;
self->fd = poller_fd_make (data->poller, fd_);
self->fd.user_data = self;
self->fd.dispatcher = poller_pa_io_dispatcher;
// FIXME: under x2go PA tries to register twice for the same FD,
// which fails with our curent poller implementation;
// we could maintain a list of { poller_fd, listeners } structures;
// or maybe we're doing something wrong, which is yet to be determined
poller_pa_io_enable (self, events);
LIST_PREPEND (data->io_list, self);
return self;
}
static void
poller_pa_io_free (pa_io_event *self)
{
if (self->free)
self->free (self->api, self, self->user_data);
struct poller_pa *data = self->api->userdata;
poller_fd_reset (&self->fd);
LIST_UNLINK (data->io_list, self);
free (self);
}
static void
poller_pa_io_set_destroy (pa_io_event *self, pa_io_event_destroy_cb_t cb)
{
self->free = cb;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
poller_pa_time_dispatcher (void *user_data)
{
pa_time_event *self = user_data;
// XXX: the meaning of the time argument is undocumented,
// so let's just put current Unix time in there
struct timeval now = poller_pa_get_current_time ();
self->dispatch (self->api, self, &now, self->user_data);
}
static void
poller_pa_time_restart (pa_time_event *self, const struct timeval *tv)
{
struct poller_timer *timer = &self->timer;
if (tv)
{
struct timeval now = poller_pa_get_current_time ();
poller_timer_set (timer,
(tv->tv_sec - now.tv_sec) * 1000 +
(tv->tv_usec - now.tv_usec) / 1000);
}
else
poller_timer_reset (timer);
}
static pa_time_event *
poller_pa_time_new (pa_mainloop_api *api, const struct timeval *tv,
pa_time_event_cb_t cb, void *userdata)
{
pa_time_event *self = xcalloc (1, sizeof *self);
self->api = api;
self->dispatch = cb;
self->user_data = userdata;
struct poller_pa *data = api->userdata;
self->timer = poller_timer_make (data->poller);
self->timer.user_data = self;
self->timer.dispatcher = poller_pa_time_dispatcher;
poller_pa_time_restart (self, tv);
LIST_PREPEND (data->time_list, self);
return self;
}
static void
poller_pa_time_free (pa_time_event *self)
{
if (self->free)
self->free (self->api, self, self->user_data);
struct poller_pa *data = self->api->userdata;
poller_timer_reset (&self->timer);
LIST_UNLINK (data->time_list, self);
free (self);
}
static void
poller_pa_time_set_destroy (pa_time_event *self, pa_time_event_destroy_cb_t cb)
{
self->free = cb;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
poller_pa_defer_dispatcher (void *user_data)
{
pa_defer_event *self = user_data;
self->dispatch (self->api, self, self->user_data);
}
static pa_defer_event *
poller_pa_defer_new (pa_mainloop_api *api,
pa_defer_event_cb_t cb, void *userdata)
{
pa_defer_event *self = xcalloc (1, sizeof *self);
self->api = api;
self->dispatch = cb;
self->user_data = userdata;
struct poller_pa *data = api->userdata;
self->idle = poller_idle_make (data->poller);
self->idle.user_data = self;
self->idle.dispatcher = poller_pa_defer_dispatcher;
poller_idle_set (&self->idle);
LIST_PREPEND (data->defer_list, self);
return self;
}
static void
poller_pa_defer_enable (pa_defer_event *self, int enable)
{
struct poller_idle *idle = &self->idle;
if (enable)
poller_idle_set (idle);
else
poller_idle_reset (idle);
}
static void
poller_pa_defer_free (pa_defer_event *self)
{
if (self->free)
self->free (self->api, self, self->user_data);
struct poller_pa *data = self->api->userdata;
poller_idle_reset (&self->idle);
LIST_UNLINK (data->defer_list, self);
free (self);
}
static void
poller_pa_defer_set_destroy (pa_defer_event *self,
pa_defer_event_destroy_cb_t cb)
{
self->free = cb;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static void
poller_pa_quit (pa_mainloop_api *api, int retval)
{
(void) api;
(void) retval;
// This is not called from within libpulse
hard_assert (!"quitting the libpulse event loop is unimplemented");
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
static struct pa_mainloop_api g_poller_pa_template =
{
.io_new = poller_pa_io_new,
.io_enable = poller_pa_io_enable,
.io_free = poller_pa_io_free,
.io_set_destroy = poller_pa_io_set_destroy,
.time_new = poller_pa_time_new,
.time_restart = poller_pa_time_restart,
.time_free = poller_pa_time_free,
.time_set_destroy = poller_pa_time_set_destroy,
.defer_new = poller_pa_defer_new,
.defer_enable = poller_pa_defer_enable,
.defer_free = poller_pa_defer_free,
.defer_set_destroy = poller_pa_defer_set_destroy,
.quit = poller_pa_quit,
};
static struct pa_mainloop_api *
poller_pa_new (struct poller *self)
{
struct poller_pa *data = xcalloc (1, sizeof *data);
data->poller = self;
struct pa_mainloop_api *api = xmalloc (sizeof *api);
*api = g_poller_pa_template;
api->userdata = data;
return api;
}
static void
poller_pa_destroy (struct pa_mainloop_api *api)
{
struct poller_pa *data = api->userdata;
LIST_FOR_EACH (pa_io_event, iter, data->io_list)
poller_pa_io_free (iter);
LIST_FOR_EACH (pa_time_event, iter, data->time_list)
poller_pa_time_free (iter);
LIST_FOR_EACH (pa_defer_event, iter, data->defer_list)
poller_pa_defer_free (iter);
free (data);
free (api);
}

2
wmstatus.c
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@ -26,7 +26,7 @@
#undef PROGRAM_NAME
#define PROGRAM_NAME "wmstatus"
#include "liberty/liberty.c"
#include "poller-pa.c"
#include "liberty/liberty-pulse.c"
#include <dirent.h>
#include <spawn.h>