+++ /dev/null
-/***
- 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);
-}