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build-sys: remove HAL support, it's obsolete since years

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This commit is contained in:
Lennart Poettering 2012-05-15 16:06:42 +02:00
parent 08d4f8e2c3
commit 77c5901df2
8 changed files with 2 additions and 1079 deletions
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26
configure.ac
View file

@ -951,25 +951,6 @@ PA_MACHINE_ID_FALLBACK="${localstatedir}/lib/dbus/machine-id"
AX_DEFINE_DIR(PA_MACHINE_ID_FALLBACK, PA_MACHINE_ID_FALLBACK,
[Fallback machine-id file])
#### HAL support (optional), dependant on D-Bus ####
AC_ARG_ENABLE([hal],
AS_HELP_STRING([--disable-hal],[Disable optional HAL support]))
AS_IF([test "x$enable_hal" != "xno" -a \( "x$HAVE_OSS" = "x1" -o "x$HAVE_ALSA" = "x1" \)],
[PKG_CHECK_MODULES(HAL, [ hal >= 0.5.11 ], HAVE_HAL=1, HAVE_HAL=0)],
HAVE_HAL=0)
AS_IF([test "x$HAVE_DBUS" != "x1"], HAVE_HAL=0)
AS_IF([test "x$enable_hal" = "xyes" && test "x$HAVE_HAL" = "x0"],
[AC_MSG_ERROR([*** HAL support not found (requires D-Bus)])])
AC_SUBST(HAL_CFLAGS)
AC_SUBST(HAL_LIBS)
AC_SUBST(HAVE_HAL)
AM_CONDITIONAL([HAVE_HAL], [test "x$HAVE_HAL" = x1])
AS_IF([test "x$HAVE_HAL" = "x1"], AC_DEFINE([HAVE_HAL], 1, [Have HAL.]))
#### BlueZ support (optional, dependant on D-Bus) ####
AC_ARG_ENABLE([bluez],
@ -1012,12 +993,9 @@ AC_ARG_ENABLE([hal-compat],
AS_HELP_STRING([--disable-hal-compat],[Disable optional HAL->udev transition compatibility support]))
AS_IF([test "x$enable_hal_compat" != "xno"],
[AS_IF([test "x$HAVE_HAL" = "x0" -a "x$HAVE_UDEV" = "x1"], HAVE_HAL_COMPAT=1, HAVE_HAL_COMPAT=0)],
[AS_IF([test "x$HAVE_UDEV" = "x1"], HAVE_HAL_COMPAT=1, HAVE_HAL_COMPAT=0)],
HAVE_HAL_COMPAT=0)
AS_IF([test "x$enable_hal_compat" = "xyes" && test "x$HAVE_HAL_COMPAT" = "x0"],
[AC_MSG_ERROR([*** HAL-compat support requires UDEV and no HAL])])
AM_CONDITIONAL([HAVE_HAL_COMPAT], [test "x$HAVE_HAL_COMPAT" = x1])
AS_IF([test "x$HAVE_HAL_COMPAT" = "x1"], AC_DEFINE([HAVE_HAL_COMPAT], 1, [Have HAL compatibility.]))
@ -1376,7 +1354,6 @@ AS_IF([test "x$HAVE_LIBASYNCNS" = "x1"], ENABLE_LIBASYNCNS=yes, ENABLE_LIBASYNCN
AS_IF([test "x$HAVE_LIRC" = "x1"], ENABLE_LIRC=yes, ENABLE_LIRC=no)
AS_IF([test "x$HAVE_XEN" = "x1"], ENABLE_XEN=yes, ENABLE_XEN=no)
AS_IF([test "x$HAVE_DBUS" = "x1"], ENABLE_DBUS=yes, ENABLE_DBUS=no)
AS_IF([test "x$HAVE_HAL" = "x1"], ENABLE_HAL=yes, ENABLE_HAL=no)
AS_IF([test "x$HAVE_UDEV" = "x1"], ENABLE_UDEV=yes, ENABLE_UDEV=no)
AS_IF([test "x$HAVE_SYSTEMD" = "x1"], ENABLE_SYSTEMD=yes, ENABLE_SYSTEMD=no)
AS_IF([test "x$HAVE_BLUEZ" = "x1"], ENABLE_BLUEZ=yes, ENABLE_BLUEZ=no)
@ -1429,7 +1406,6 @@ echo "
Enable LIRC: ${ENABLE_LIRC}
Enable Xen PV driver: ${ENABLE_XEN}
Enable D-Bus: ${ENABLE_DBUS}
Enable HAL: ${ENABLE_HAL}
Enable BlueZ: ${ENABLE_BLUEZ}
Enable udev: ${ENABLE_UDEV}
Enable HAL->udev compat: ${ENABLE_HAL_COMPAT}

17
src/Makefile.am
View file

@ -1203,11 +1203,6 @@ modlibexec_LTLIBRARIES += \
module-waveout.la
endif
if HAVE_HAL
modlibexec_LTLIBRARIES += \
module-hal-detect.la
endif
if HAVE_HAL_COMPAT
modlibexec_LTLIBRARIES += \
module-hal-detect.la
@ -1624,12 +1619,6 @@ libalsa_util_la_LDFLAGS = -avoid-version
libalsa_util_la_LIBADD = $(MODULE_LIBADD) $(ASOUNDLIB_LIBS)
libalsa_util_la_CFLAGS = $(AM_CFLAGS) $(SERVER_CFLAGS) $(ASOUNDLIB_CFLAGS)
if HAVE_HAL
libalsa_util_la_SOURCES += modules/hal-util.h modules/hal-util.c
libalsa_util_la_LIBADD += $(HAL_LIBS)
libalsa_util_la_CFLAGS += $(HAL_CFLAGS)
endif
if HAVE_UDEV
libalsa_util_la_SOURCES += modules/udev-util.h modules/udev-util.c
libalsa_util_la_LIBADD += $(UDEV_LIBS)
@ -1864,15 +1853,9 @@ module_jack_source_la_LDFLAGS = $(MODULE_LDFLAGS)
module_jack_source_la_LIBADD = $(MODULE_LIBADD) $(JACK_LIBS)
module_jack_source_la_CFLAGS = $(AM_CFLAGS) $(JACK_CFLAGS)
if HAVE_HAL_COMPAT
module_hal_detect_la_SOURCES = modules/module-hal-detect-compat.c
module_hal_detect_la_LIBADD = $(MODULE_LIBADD)
module_hal_detect_la_CFLAGS = $(AM_CFLAGS)
else
module_hal_detect_la_SOURCES = modules/module-hal-detect.c
module_hal_detect_la_LIBADD = $(MODULE_LIBADD) $(HAL_LIBS)
module_hal_detect_la_CFLAGS = $(AM_CFLAGS) $(HAL_CFLAGS)
endif
module_hal_detect_la_LDFLAGS = $(MODULE_LDFLAGS)
module_udev_detect_la_SOURCES = modules/module-udev-detect.c

6
src/daemon/default.pa.in
View file

@ -68,14 +68,10 @@ ifelse(@HAVE_UDEV@, 1, [dnl
.ifexists module-udev-detect@PA_SOEXT@
load-module module-udev-detect
.else
], @HAVE_HAL@, 1, [dnl
.ifexists module-hal-detect@PA_SOEXT@
load-module module-hal-detect
.else
], [dnl
.ifexists module-detect@PA_SOEXT@
])dnl
### Use the static hardware detection module (for systems that lack udev/hal support)
### Use the static hardware detection module (for systems that lack udev support)
load-module module-detect
.endif

4
src/daemon/pulseaudio-system.conf
View file

@ -28,10 +28,6 @@ USA.
<policy user="pulse">
<allow own="org.pulseaudio.Server"/>
<!-- Allow pulseaudio to talk to HAL for device detection -->
<allow send_destination="org.freedesktop.Hal" send_interface="org.freedesktop.Hal.Manager"/>
<allow send_destination="org.freedesktop.Hal" send_interface="org.freedesktop.Hal.Device"/>
</policy>
</busconfig>

8
src/modules/alsa/alsa-util.c
View file

@ -46,10 +46,6 @@
#include "alsa-util.h"
#include "alsa-mixer.h"
#ifdef HAVE_HAL
#include "hal-util.h"
#endif
#ifdef HAVE_UDEV
#include "udev-util.h"
#endif
@ -915,10 +911,6 @@ void pa_alsa_init_proplist_card(pa_core *c, pa_proplist *p, int card) {
#ifdef HAVE_UDEV
pa_udev_get_info(card, p);
#endif
#ifdef HAVE_HAL
pa_hal_get_info(c, p, card);
#endif
}
void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info) {

130
src/modules/hal-util.c
View file

@ -1,130 +0,0 @@
/***
This file is part of PulseAudio.
Copyright 2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulsecore/log.h>
#include <pulsecore/dbus-shared.h>
#include <hal/libhal.h>
#include "hal-util.h"
int pa_hal_get_info(pa_core *core, pa_proplist *p, int card) {
pa_dbus_connection *c = NULL;
LibHalContext *hal = NULL;
DBusError error;
int r = -1;
char **udis = NULL, *t;
int n, i;
pa_assert(core);
pa_assert(p);
pa_assert(card >= 0);
dbus_error_init(&error);
if (!(c = pa_dbus_bus_get(core, DBUS_BUS_SYSTEM, &error)) || dbus_error_is_set(&error)) {
pa_log_error("Unable to contact DBUS system bus: %s: %s", error.name, error.message);
goto finish;
}
if (!(hal = libhal_ctx_new())) {
pa_log_error("libhal_ctx_new() finished");
goto finish;
}
if (!libhal_ctx_set_dbus_connection(hal, pa_dbus_connection_get(c))) {
pa_log_error("Error establishing DBUS connection: %s: %s", error.name, error.message);
goto finish;
}
if (!libhal_ctx_init(hal, &error)) {
pa_log_error("Couldn't connect to hald: %s: %s", error.name, error.message);
goto finish;
}
if (!(udis = libhal_find_device_by_capability(hal, "sound", &n, &error))) {
pa_log_error("Couldn't find devices: %s: %s", error.name, error.message);
goto finish;
}
for (i = 0; i < n; i++) {
dbus_int32_t this_card;
this_card = libhal_device_get_property_int(hal, udis[i], "sound.card", &error);
if (dbus_error_is_set(&error)) {
dbus_error_free(&error);
continue;
}
if (this_card == card)
break;
}
if (i >= n)
goto finish;
pa_proplist_sets(p, "hal.udi", udis[i]);
/* The data HAL stores in info.product is not actually a product
* string but simply the ALSA card name. We will hence not write
* it to PA_PROP_DEVICE_PRODUCT_NAME */
t = libhal_device_get_property_string(hal, udis[i], "info.product", &error);
if (dbus_error_is_set(&error))
dbus_error_free(&error);
if (t) {
pa_proplist_sets(p, "hal.product", t);
libhal_free_string(t);
}
t = libhal_device_get_property_string(hal, udis[i], "sound.card_id", &error);
if (dbus_error_is_set(&error))
dbus_error_free(&error);
if (t) {
pa_proplist_sets(p, "hal.card_id", t);
libhal_free_string(t);
}
r = 0;
finish:
if (udis)
libhal_free_string_array(udis);
dbus_error_free(&error);
if (hal) {
libhal_ctx_shutdown(hal, &error);
libhal_ctx_free(hal);
dbus_error_free(&error);
}
if (c)
pa_dbus_connection_unref(c);
return r;
}

30
src/modules/hal-util.h
View file

@ -1,30 +0,0 @@
#ifndef foohalutilhfoo
#define foohalutilhfoo
/***
This file is part of PulseAudio.
Copyright 2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <pulsecore/core.h>
int pa_hal_get_info(pa_core *core, pa_proplist *p, int card);
#endif

860
src/modules/module-hal-detect.c
View file

@ -1,860 +0,0 @@
/***
This file is part of PulseAudio.
Copyright 2006 Lennart Poettering
Copyright 2006 Shams E. King
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <pulse/xmalloc.h>
#include <pulsecore/module.h>
#include <pulsecore/log.h>
#include <pulsecore/hashmap.h>
#include <pulsecore/idxset.h>
#include <pulsecore/core-util.h>
#include <pulsecore/namereg.h>
#include <pulsecore/modargs.h>
#include <pulsecore/dbus-shared.h>
#include <hal/libhal.h>
#include "module-hal-detect-symdef.h"
PA_MODULE_AUTHOR("Shahms King");
PA_MODULE_DESCRIPTION("Detect available audio hardware and load matching drivers");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(TRUE);
#if defined(HAVE_ALSA) && defined(HAVE_OSS_OUTPUT)
PA_MODULE_USAGE("api=<alsa or oss> "
"tsched=<enable system timer based scheduling mode?> "
"subdevices=<init all subdevices>");
#elif defined(HAVE_ALSA)
PA_MODULE_USAGE("api=<alsa> "
"tsched=<enable system timer based scheduling mode?>");
#elif defined(HAVE_OSS_OUTPUT)
PA_MODULE_USAGE("api=<oss> "
"subdevices=<init all subdevices>");
#endif
PA_MODULE_DEPRECATED("Please use module-udev-detect instead of module-hal-detect!");
struct device {
char *udi, *originating_udi;
char *card_name, *sink_name, *source_name;
uint32_t module;
pa_bool_t acl_race_fix;
};
struct userdata {
pa_core *core;
LibHalContext *context;
pa_dbus_connection *connection;
pa_hashmap *devices; /* Every entry is indexed twice in this table: by the udi we found the device with and by the originating device's udi */
const char *capability;
#ifdef HAVE_ALSA
pa_bool_t use_tsched;
#endif
#ifdef HAVE_OSS_OUTPUT
pa_bool_t init_subdevs;
#endif
pa_bool_t filter_added:1;
};
#define CAPABILITY_ALSA "alsa"
#define CAPABILITY_OSS "oss"
static const char* const valid_modargs[] = {
"api",
#ifdef HAVE_ALSA
"tsched",
#endif
#ifdef HAVE_OSS_OUTPUT
"subdevices",
#endif
NULL
};
static void device_free(struct device* d) {
pa_assert(d);
pa_xfree(d->udi);
pa_xfree(d->originating_udi);
pa_xfree(d->sink_name);
pa_xfree(d->source_name);
pa_xfree(d->card_name);
pa_xfree(d);
}
static const char *strip_udi(const char *udi) {
const char *slash;
pa_assert(udi);
if ((slash = strrchr(udi, '/')))
return slash+1;
return udi;
}
#ifdef HAVE_ALSA
enum alsa_type {
ALSA_TYPE_PLAYBACK,
ALSA_TYPE_CAPTURE,
ALSA_TYPE_CONTROL,
ALSA_TYPE_OTHER
};
static enum alsa_type hal_alsa_device_get_type(LibHalContext *context, const char *udi) {
char *type;
enum alsa_type t = ALSA_TYPE_OTHER;
DBusError error;
dbus_error_init(&error);
pa_assert(context);
pa_assert(udi);
if (!(type = libhal_device_get_property_string(context, udi, "alsa.type", &error)))
goto finish;
if (pa_streq(type, "playback"))
t = ALSA_TYPE_PLAYBACK;
else if (pa_streq(type, "capture"))
t = ALSA_TYPE_CAPTURE;
else if (pa_streq(type, "control"))
t = ALSA_TYPE_CONTROL;
libhal_free_string(type);
finish:
if (dbus_error_is_set(&error)) {
pa_log_error("D-Bus error while parsing HAL ALSA data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
return t;
}
static pa_bool_t hal_alsa_device_is_modem(LibHalContext *context, const char *udi) {
char *class;
pa_bool_t r = FALSE;
DBusError error;
dbus_error_init(&error);
pa_assert(context);
pa_assert(udi);
if (!(class = libhal_device_get_property_string(context, udi, "alsa.pcm_class", &error)))
goto finish;
r = pa_streq(class, "modem");
libhal_free_string(class);
finish:
if (dbus_error_is_set(&error)) {
if (!dbus_error_has_name(&error, "org.freedesktop.Hal.NoSuchProperty"))
pa_log_error("D-Bus error while parsing HAL ALSA data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
return r;
}
static int hal_device_load_alsa(struct userdata *u, const char *udi, struct device *d) {
enum alsa_type type;
int card;
DBusError error;
pa_module *m;
char *args, *originating_udi = NULL, *card_name = NULL;
dbus_error_init(&error);
pa_assert(u);
pa_assert(udi);
pa_assert(d);
/* We only care for PCM devices */
type = hal_alsa_device_get_type(u->context, udi);
/* For each ALSA card that appears the control device will be the
* last one to be created, this is considered part of the ALSA
* userspace API. We rely on this and load our modules only when
* the control device is available assuming that *all* device
* nodes have been properly created and assigned the right ACLs at
* that time. Also see:
*
* http://mailman.alsa-project.org/pipermail/alsa-devel/2009-April/015958.html
*
* and the associated thread.*/
if (type != ALSA_TYPE_CONTROL)
goto fail;
/* We don't care for modems -- this is most likely not set for
* control devices, so kind of pointless here. */
if (hal_alsa_device_is_modem(u->context, udi))
goto fail;
/* We store only one entry per card, hence we look for the originating device */
originating_udi = libhal_device_get_property_string(u->context, udi, "alsa.originating_device", &error);
if (dbus_error_is_set(&error) || !originating_udi)
goto fail;
/* Make sure we only load one module per card */
if (pa_hashmap_get(u->devices, originating_udi))
goto fail;
/* We need the identifier */
card = libhal_device_get_property_int(u->context, udi, "alsa.card", &error);
if (dbus_error_is_set(&error))
goto fail;
card_name = pa_sprintf_malloc("alsa_card.%s", strip_udi(originating_udi));
args = pa_sprintf_malloc("device_id=%u name=\"%s\" card_name=\"%s\" tsched=%i card_properties=\"module-hal-detect.discovered=1\"", card, strip_udi(originating_udi), card_name, (int) u->use_tsched);
pa_log_debug("Loading module-alsa-card with arguments '%s'", args);
m = pa_module_load(u->core, "module-alsa-card", args);
pa_xfree(args);
if (!m)
goto fail;
d->originating_udi = originating_udi;
d->module = m->index;
d->card_name = card_name;
return 0;
fail:
if (dbus_error_is_set(&error)) {
pa_log_error("D-Bus error while parsing HAL ALSA data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
pa_xfree(originating_udi);
pa_xfree(card_name);
return -1;
}
#endif
#ifdef HAVE_OSS_OUTPUT
static pa_bool_t hal_oss_device_is_pcm(LibHalContext *context, const char *udi, pa_bool_t init_subdevices) {
char *class = NULL, *dev = NULL, *e;
int device;
pa_bool_t r = FALSE;
DBusError error;
dbus_error_init(&error);
pa_assert(context);
pa_assert(udi);
/* We only care for PCM devices */
class = libhal_device_get_property_string(context, udi, "oss.type", &error);
if (dbus_error_is_set(&error) || !class)
goto finish;
if (!pa_streq(class, "pcm"))
goto finish;
/* We don't like /dev/audio */
dev = libhal_device_get_property_string(context, udi, "oss.device_file", &error);
if (dbus_error_is_set(&error) || !dev)
goto finish;
if ((e = strrchr(dev, '/')))
if (pa_startswith(e + 1, "audio"))
goto finish;
/* We only care for the main device */
device = libhal_device_get_property_int(context, udi, "oss.device", &error);
if (dbus_error_is_set(&error) || (device != 0 && init_subdevices == FALSE))
goto finish;
r = TRUE;
finish:
if (dbus_error_is_set(&error)) {
pa_log_error("D-Bus error while parsing HAL OSS data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
libhal_free_string(class);
libhal_free_string(dev);
return r;
}
static int hal_device_load_oss(struct userdata *u, const char *udi, struct device *d) {
DBusError error;
pa_module *m;
char *args, *originating_udi = NULL, *device, *sink_name = NULL, *source_name = NULL;
dbus_error_init(&error);
pa_assert(u);
pa_assert(udi);
pa_assert(d);
/* We only care for OSS PCM devices */
if (!hal_oss_device_is_pcm(u->context, udi, u->init_subdevs))
goto fail;
/* We store only one entry per card, hence we look for the originating device */
originating_udi = libhal_device_get_property_string(u->context, udi, "oss.originating_device", &error);
if (dbus_error_is_set(&error) || !originating_udi)
goto fail;
/* Make sure we only load one module per card */
if (pa_hashmap_get(u->devices, originating_udi))
goto fail;
/* We need the device file */
device = libhal_device_get_property_string(u->context, udi, "oss.device_file", &error);
if (!device || dbus_error_is_set(&error))
goto fail;
sink_name = pa_sprintf_malloc("oss_output.%s", strip_udi(udi));
source_name = pa_sprintf_malloc("oss_input.%s", strip_udi(udi));
args = pa_sprintf_malloc("device=%s sink_name=%s source_name=%s", device, sink_name, source_name);
libhal_free_string(device);
pa_log_debug("Loading module-oss with arguments '%s'", args);
m = pa_module_load(u->core, "module-oss", args);
pa_xfree(args);
if (!m)
goto fail;
d->originating_udi = originating_udi;
d->module = m->index;
d->sink_name = sink_name;
d->source_name = source_name;
return 0;
fail:
if (dbus_error_is_set(&error)) {
pa_log_error("D-Bus error while parsing OSS HAL data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
pa_xfree(originating_udi);
pa_xfree(source_name);
pa_xfree(sink_name);
return -1;
}
#endif
static struct device* hal_device_add(struct userdata *u, const char *udi) {
struct device *d;
int r;
pa_assert(u);
pa_assert(u->capability);
d = pa_xnew(struct device, 1);
d->acl_race_fix = FALSE;
d->udi = pa_xstrdup(udi);
d->originating_udi = NULL;
d->module = PA_INVALID_INDEX;
d->sink_name = d->source_name = d->card_name = NULL;
r = -1;
#ifdef HAVE_ALSA
if (pa_streq(u->capability, CAPABILITY_ALSA))
r = hal_device_load_alsa(u, udi, d);
#endif
#ifdef HAVE_OSS_OUTPUT
if (pa_streq(u->capability, CAPABILITY_OSS))
r = hal_device_load_oss(u, udi, d);
#endif
if (r < 0) {
device_free(d);
return NULL;
}
pa_hashmap_put(u->devices, d->udi, d);
pa_hashmap_put(u->devices, d->originating_udi, d);
return d;
}
static int hal_device_add_all(struct userdata *u) {
int n, count = 0;
char** udis;
DBusError error;
dbus_error_init(&error);
pa_assert(u);
udis = libhal_find_device_by_capability(u->context, u->capability, &n, &error);
if (dbus_error_is_set(&error) || !udis)
goto fail;
if (n > 0) {
int i;
for (i = 0; i < n; i++) {
if (hal_device_add(u, udis[i])) {
count++;
pa_log_debug("Loaded device %s", udis[i]);
} else
pa_log_debug("Not loaded device %s", udis[i]);
}
}
libhal_free_string_array(udis);
return count;
fail:
if (dbus_error_is_set(&error)) {
pa_log_error("D-Bus error while parsing HAL data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
return -1;
}
static void device_added_cb(LibHalContext *context, const char *udi) {
DBusError error;
struct userdata *u;
pa_bool_t good = FALSE;
dbus_error_init(&error);
pa_assert(context);
pa_assert(udi);
pa_assert_se(u = libhal_ctx_get_user_data(context));
good = libhal_device_query_capability(context, udi, u->capability, &error);
if (dbus_error_is_set(&error) || !good)
goto finish;
if (!hal_device_add(u, udi))
pa_log_debug("Not loaded device %s", udi);
else
pa_log_debug("Loaded device %s", udi);
finish:
if (dbus_error_is_set(&error)) {
if (!dbus_error_has_name(&error, "org.freedesktop.Hal.NoSuchProperty"))
pa_log_error("D-Bus error while parsing HAL data: %s: %s", error.name, error.message);
dbus_error_free(&error);
}
}
static void device_removed_cb(LibHalContext* context, const char *udi) {
struct device *d;
struct userdata *u;
pa_assert(context);
pa_assert(udi);
pa_assert_se(u = libhal_ctx_get_user_data(context));
if (!(d = pa_hashmap_get(u->devices, udi)))
return;
pa_hashmap_remove(u->devices, d->originating_udi);
pa_hashmap_remove(u->devices, d->udi);
pa_log_debug("Removing HAL device: %s", d->originating_udi);
pa_module_unload_request_by_index(u->core, d->module, TRUE);
device_free(d);
}
static void new_capability_cb(LibHalContext *context, const char *udi, const char* capability) {
struct userdata *u;
pa_assert(context);
pa_assert(udi);
pa_assert(capability);
pa_assert_se(u = libhal_ctx_get_user_data(context));
if (pa_streq(u->capability, capability))
/* capability we care about, pretend it's a new device */
device_added_cb(context, udi);
}
static void lost_capability_cb(LibHalContext *context, const char *udi, const char* capability) {
struct userdata *u;
pa_assert(context);
pa_assert(udi);
pa_assert(capability);
pa_assert_se(u = libhal_ctx_get_user_data(context));
if (pa_streq(u->capability, capability))
/* capability we care about, pretend it was removed */
device_removed_cb(context, udi);
}
static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, void *userdata) {
struct userdata*u;
DBusError error;
pa_assert(bus);
pa_assert(message);
pa_assert_se(u = userdata);
dbus_error_init(&error);
pa_log_debug("dbus: interface=%s, path=%s, member=%s\n",
dbus_message_get_interface(message),
dbus_message_get_path(message),
dbus_message_get_member(message));
if (dbus_message_is_signal(message, "org.freedesktop.Hal.Device.AccessControl", "ACLAdded") ||
dbus_message_is_signal(message, "org.freedesktop.Hal.Device.AccessControl", "ACLRemoved")) {
uint32_t uid;
pa_bool_t suspend = strcmp(dbus_message_get_member(message), "ACLRemoved") == 0;
if (!dbus_message_get_args(message, &error, DBUS_TYPE_UINT32, &uid, DBUS_TYPE_INVALID) || dbus_error_is_set(&error)) {
pa_log_error("Failed to parse ACL message: %s: %s", error.name, error.message);
goto finish;
}
/* Check if this is about us? */
if (uid == getuid() || uid == geteuid()) {
struct device *d;
const char *udi;
udi = dbus_message_get_path(message);
if ((d = pa_hashmap_get(u->devices, udi))) {
pa_bool_t send_acl_race_fix_message = FALSE;
d->acl_race_fix = FALSE;
if (d->sink_name) {
pa_sink *sink;
if ((sink = pa_namereg_get(u->core, d->sink_name, PA_NAMEREG_SINK))) {
pa_bool_t success = pa_sink_suspend(sink, suspend, PA_SUSPEND_SESSION) >= 0;
if (!success && !suspend)
d->acl_race_fix = TRUE; /* resume failed, let's try again */
else if (suspend)
send_acl_race_fix_message = TRUE; /* suspend finished, let's tell everyone to try again */
}
}
if (d->source_name) {
pa_source *source;
if ((source = pa_namereg_get(u->core, d->source_name, PA_NAMEREG_SOURCE))) {
pa_bool_t success = pa_source_suspend(source, suspend, PA_SUSPEND_SESSION) >= 0;
if (!success && !suspend)
d->acl_race_fix = TRUE; /* resume failed, let's try again */
else if (suspend)
send_acl_race_fix_message = TRUE; /* suspend finished, let's tell everyone to try again */
}
}
if (d->card_name) {
pa_card *card;
if ((card = pa_namereg_get(u->core, d->card_name, PA_NAMEREG_CARD))) {
pa_bool_t success = pa_card_suspend(card, suspend, PA_SUSPEND_SESSION) >= 0;
if (!success && !suspend)
d->acl_race_fix = TRUE; /* resume failed, let's try again */
else if (suspend)
send_acl_race_fix_message = TRUE; /* suspend finished, let's tell everyone to try again */
}
}
if (send_acl_race_fix_message) {
DBusMessage *msg;
msg = dbus_message_new_signal(udi, "org.pulseaudio.Server", "DirtyGiveUpMessage");
dbus_connection_send(pa_dbus_connection_get(u->connection), msg, NULL);
dbus_message_unref(msg);
}
} else if (!suspend)
device_added_cb(u->context, udi);
}
} else if (dbus_message_is_signal(message, "org.pulseaudio.Server", "DirtyGiveUpMessage")) {
/* We use this message to avoid a dirty race condition when we
get an ACLAdded message before the previously owning PA
sever has closed the device. We can remove this as
soon as HAL learns frevoke() */
struct device *d;
const char *udi;
udi = dbus_message_get_path(message);
if ((d = pa_hashmap_get(u->devices, udi))) {
if (d->acl_race_fix) {
d->acl_race_fix = FALSE;
pa_log_debug("Got dirty give up message for '%s', trying resume ...", udi);
if (d->sink_name) {
pa_sink *sink;
if ((sink = pa_namereg_get(u->core, d->sink_name, PA_NAMEREG_SINK)))
pa_sink_suspend(sink, FALSE, PA_SUSPEND_SESSION);
}
if (d->source_name) {
pa_source *source;
if ((source = pa_namereg_get(u->core, d->source_name, PA_NAMEREG_SOURCE)))
pa_source_suspend(source, FALSE, PA_SUSPEND_SESSION);
}
if (d->card_name) {
pa_card *card;
if ((card = pa_namereg_get(u->core, d->source_name, PA_NAMEREG_CARD)))
pa_card_suspend(card, FALSE, PA_SUSPEND_SESSION);
}
}
} else
/* Yes, we don't check the UDI for validity, but hopefully HAL will */
device_added_cb(u->context, udi);
}
finish:
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static void hal_context_free(LibHalContext* hal_context) {
DBusError error;
dbus_error_init(&error);
libhal_ctx_shutdown(hal_context, &error);
libhal_ctx_free(hal_context);
dbus_error_free(&error);
}
static LibHalContext* hal_context_new(DBusConnection *connection) {
DBusError error;
LibHalContext *hal_context = NULL;
dbus_error_init(&error);
pa_assert(connection);
if (!(hal_context = libhal_ctx_new())) {
pa_log_error("libhal_ctx_new() failed");
goto fail;
}
if (!libhal_ctx_set_dbus_connection(hal_context, connection)) {
pa_log_error("Error establishing DBUS connection: %s: %s", error.name, error.message);
goto fail;
}
if (!libhal_ctx_init(hal_context, &error)) {
pa_log_error("Couldn't connect to hald: %s: %s", error.name, error.message);
goto fail;
}
return hal_context;
fail:
if (hal_context)
hal_context_free(hal_context);
dbus_error_free(&error);
return NULL;
}
int pa__init(pa_module*m) {
DBusError error;
struct userdata *u = NULL;
int n = 0;
pa_modargs *ma;
const char *api;
pa_assert(m);
dbus_error_init(&error);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
#ifdef HAVE_ALSA
u->use_tsched = TRUE;
if (pa_modargs_get_value_boolean(ma, "tsched", &u->use_tsched) < 0) {
pa_log("Failed to parse tsched argument.");
goto fail;
}
api = pa_modargs_get_value(ma, "api", "alsa");
if (pa_streq(api, "alsa"))
u->capability = CAPABILITY_ALSA;
#else
api = pa_modargs_get_value(ma, "api", "oss");
#endif
#ifdef HAVE_OSS_OUTPUT
if (pa_streq(api, "oss"))
u->capability = CAPABILITY_OSS;
#endif
if (!u->capability) {
pa_log_error("Invalid API specification.");
goto fail;
}
#ifdef HAVE_OSS_OUTPUT
if (pa_modargs_get_value_boolean(ma, "subdevices", &u->init_subdevs) < 0) {
pa_log("Failed to parse subdevices= argument.");
goto fail;
}
#endif
if (!(u->connection = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &error)) || dbus_error_is_set(&error)) {
pa_log_error("Unable to contact DBUS system bus: %s: %s", error.name, error.message);
goto fail;
}
if (!(u->context = hal_context_new(pa_dbus_connection_get(u->connection)))) {
/* pa_hal_context_new() logs appropriate errors */
goto fail;
}
n = hal_device_add_all(u);
libhal_ctx_set_user_data(u->context, u);
libhal_ctx_set_device_added(u->context, device_added_cb);
libhal_ctx_set_device_removed(u->context, device_removed_cb);
libhal_ctx_set_device_new_capability(u->context, new_capability_cb);
libhal_ctx_set_device_lost_capability(u->context, lost_capability_cb);
if (!libhal_device_property_watch_all(u->context, &error)) {
pa_log_error("Error monitoring device list: %s: %s", error.name, error.message);
goto fail;
}
if (!dbus_connection_add_filter(pa_dbus_connection_get(u->connection), filter_cb, u, NULL)) {
pa_log_error("Failed to add filter function");
goto fail;
}
u->filter_added = TRUE;
if (pa_dbus_add_matches(
pa_dbus_connection_get(u->connection), &error,
"type='signal',sender='org.freedesktop.Hal',interface='org.freedesktop.Hal.Device.AccessControl',member='ACLAdded'",
"type='signal',sender='org.freedesktop.Hal',interface='org.freedesktop.Hal.Device.AccessControl',member='ACLRemoved'",
"type='signal',interface='org.pulseaudio.Server',member='DirtyGiveUpMessage'", NULL) < 0) {
pa_log_error("Unable to subscribe to HAL ACL signals: %s: %s", error.name, error.message);
goto fail;
}
pa_log_info("Loaded %i modules.", n);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
dbus_error_free(&error);
pa__done(m);
return -1;
}
void pa__done(pa_module *m) {
struct userdata *u;
pa_assert(m);
if (!(u = m->userdata))
return;
if (u->context)
hal_context_free(u->context);
if (u->devices) {
struct device *d;
while ((d = pa_hashmap_first(u->devices))) {
pa_hashmap_remove(u->devices, d->udi);
pa_hashmap_remove(u->devices, d->originating_udi);
device_free(d);
}
pa_hashmap_free(u->devices, NULL, NULL);
}
if (u->connection) {
pa_dbus_remove_matches(
pa_dbus_connection_get(u->connection),
"type='signal',sender='org.freedesktop.Hal',interface='org.freedesktop.Hal.Device.AccessControl',member='ACLAdded'",
"type='signal',sender='org.freedesktop.Hal',interface='org.freedesktop.Hal.Device.AccessControl',member='ACLRemoved'",
"type='signal',interface='org.pulseaudio.Server',member='DirtyGiveUpMessage'", NULL);
if (u->filter_added)
dbus_connection_remove_filter(pa_dbus_connection_get(u->connection), filter_cb, u);
pa_dbus_connection_unref(u->connection);
}
pa_xfree(u);
}