#include <config.h>
#endif
+#include <dbus/dbus.h>
+
#include <pulsecore/core-util.h>
+#include <pulsecore/dbus-util.h>
#include <pulsecore/protocol-dbus.h>
+#include "iface-card-profile.h"
+
#include "iface-card.h"
#define OBJECT_NAME "card"
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_profiles(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_active_profile(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_set_active_profile(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
+static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_profile_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
struct pa_dbusiface_card {
pa_dbusiface_core *core;
pa_card *card;
char *path;
+ pa_hashmap *profiles;
+ uint32_t next_profile_index;
+ pa_card_profile *active_profile;
+ pa_proplist *proplist;
+
+ pa_hook_slot *card_profile_added_slot;
+
+ pa_dbus_protocol *dbus_protocol;
+ pa_subscription *subscription;
+};
+
+enum property_handler_index {
+ PROPERTY_HANDLER_INDEX,
+ PROPERTY_HANDLER_NAME,
+ PROPERTY_HANDLER_DRIVER,
+ PROPERTY_HANDLER_OWNER_MODULE,
+ PROPERTY_HANDLER_SINKS,
+ PROPERTY_HANDLER_SOURCES,
+ PROPERTY_HANDLER_PROFILES,
+ PROPERTY_HANDLER_ACTIVE_PROFILE,
+ PROPERTY_HANDLER_PROPERTY_LIST,
+ PROPERTY_HANDLER_MAX
+};
+
+static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
+ [PROPERTY_HANDLER_INDEX] = { .property_name = "Index", .type = "u", .get_cb = handle_get_index, .set_cb = NULL },
+ [PROPERTY_HANDLER_NAME] = { .property_name = "Name", .type = "s", .get_cb = handle_get_name, .set_cb = NULL },
+ [PROPERTY_HANDLER_DRIVER] = { .property_name = "Driver", .type = "s", .get_cb = handle_get_driver, .set_cb = NULL },
+ [PROPERTY_HANDLER_OWNER_MODULE] = { .property_name = "OwnerModule", .type = "o", .get_cb = handle_get_owner_module, .set_cb = NULL },
+ [PROPERTY_HANDLER_SINKS] = { .property_name = "Sinks", .type = "ao", .get_cb = handle_get_sinks, .set_cb = NULL },
+ [PROPERTY_HANDLER_SOURCES] = { .property_name = "Sources", .type = "ao", .get_cb = handle_get_sources, .set_cb = NULL },
+ [PROPERTY_HANDLER_PROFILES] = { .property_name = "Profiles", .type = "ao", .get_cb = handle_get_profiles, .set_cb = NULL },
+ [PROPERTY_HANDLER_ACTIVE_PROFILE] = { .property_name = "ActiveProfile", .type = "o", .get_cb = handle_get_active_profile, .set_cb = handle_set_active_profile },
+ [PROPERTY_HANDLER_PROPERTY_LIST] = { .property_name = "PropertyList", .type = "a{say}", .get_cb = handle_get_property_list, .set_cb = NULL }
+};
+
+enum method_handler_index {
+ METHOD_HANDLER_GET_PROFILE_BY_NAME,
+ METHOD_HANDLER_MAX
+};
+
+static pa_dbus_arg_info get_profile_by_name_args[] = { { "name", "s", "in" }, { "profile", "o", "out" } };
+
+static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
+ [METHOD_HANDLER_GET_PROFILE_BY_NAME] = {
+ .method_name = "GetProfileByName",
+ .arguments = get_profile_by_name_args,
+ .n_arguments = sizeof(get_profile_by_name_args) / sizeof(pa_dbus_arg_info),
+ .receive_cb = handle_get_profile_by_name }
+};
+
+enum signal_index {
+ SIGNAL_ACTIVE_PROFILE_UPDATED,
+ SIGNAL_NEW_PROFILE,
+ SIGNAL_PROPERTY_LIST_UPDATED,
+ SIGNAL_MAX
+};
+
+static pa_dbus_arg_info active_profile_updated_args[] = { { "profile", "o", NULL } };
+static pa_dbus_arg_info new_profile_args[] = { { "profile", "o", NULL } };
+static pa_dbus_arg_info property_list_updated_args[] = { { "property_list", "a{say}", NULL } };
+
+static pa_dbus_signal_info signals[SIGNAL_MAX] = {
+ [SIGNAL_ACTIVE_PROFILE_UPDATED] = { .name = "ActiveProfileUpdated", .arguments = active_profile_updated_args, .n_arguments = 1 },
+ [SIGNAL_NEW_PROFILE] = { .name = "NewProfile", .arguments = new_profile_args, .n_arguments = 1 },
+ [SIGNAL_PROPERTY_LIST_UPDATED] = { .name = "PropertyListUpdated", .arguments = property_list_updated_args, .n_arguments = 1 }
};
+static pa_dbus_interface_info card_interface_info = {
+ .name = PA_DBUSIFACE_CARD_INTERFACE,
+ .method_handlers = method_handlers,
+ .n_method_handlers = METHOD_HANDLER_MAX,
+ .property_handlers = property_handlers,
+ .n_property_handlers = PROPERTY_HANDLER_MAX,
+ .get_all_properties_cb = handle_get_all,
+ .signals = signals,
+ .n_signals = SIGNAL_MAX
+};
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ dbus_uint32_t idx;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ idx = c->card->index;
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
+}
+
+static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->card->name);
+}
+
+static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->card->driver);
+}
+
+static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char *owner_module;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ if (!c->card->module) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Card %s doesn't have an owner module.", c->card->name);
+ return;
+ }
+
+ owner_module = pa_dbusiface_core_get_module_path(c->core, c->card->module);
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &owner_module);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_sinks(pa_dbusiface_card *c, unsigned *n) {
+ const char **sinks = NULL;
+ unsigned i = 0;
+ uint32_t idx = 0;
+ pa_sink *sink = NULL;
+
+ pa_assert(c);
+ pa_assert(n);
+
+ *n = pa_idxset_size(c->card->sinks);
+
+ if (*n == 0)
+ return NULL;
+
+ sinks = pa_xnew(const char *, *n);
+
+ PA_IDXSET_FOREACH(sink, c->card->sinks, idx) {
+ sinks[i] = pa_dbusiface_core_get_sink_path(c->core, sink);
+ ++i;
+ }
+
+ return sinks;
+}
+
+static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char **sinks;
+ unsigned n_sinks;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ sinks = get_sinks(c, &n_sinks);
+
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
+
+ pa_xfree(sinks);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_sources(pa_dbusiface_card *c, unsigned *n) {
+ const char **sources = NULL;
+ unsigned i = 0;
+ uint32_t idx = 0;
+ pa_source *source = NULL;
+
+ pa_assert(c);
+ pa_assert(n);
+
+ *n = pa_idxset_size(c->card->sources);
+
+ if (*n == 0)
+ return NULL;
+
+ sources = pa_xnew(const char *, *n);
+
+ PA_IDXSET_FOREACH(source, c->card->sources, idx) {
+ sources[i] = pa_dbusiface_core_get_source_path(c->core, source);
+ ++i;
+ }
+
+ return sources;
+}
+
+static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char **sources;
+ unsigned n_sources;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ sources = get_sources(c, &n_sources);
+
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
+
+ pa_xfree(sources);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_profiles(pa_dbusiface_card *c, unsigned *n) {
+ const char **profiles;
+ unsigned i = 0;
+ void *state = NULL;
+ pa_dbusiface_card_profile *profile;
+
+ pa_assert(c);
+ pa_assert(n);
+
+ *n = pa_hashmap_size(c->profiles);
+
+ if (*n == 0)
+ return NULL;
+
+ profiles = pa_xnew(const char *, *n);
+
+ PA_HASHMAP_FOREACH(profile, c->profiles, state)
+ profiles[i++] = pa_dbusiface_card_profile_get_path(profile);
+
+ return profiles;
+}
+
+static void handle_get_profiles(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char **profiles;
+ unsigned n_profiles;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ profiles = get_profiles(c, &n_profiles);
+
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, profiles, n_profiles);
+
+ pa_xfree(profiles);
+}
+
+static void handle_get_active_profile(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char *active_profile;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ active_profile = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &active_profile);
+}
+
+static void handle_set_active_profile(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char *new_active_path;
+ pa_dbusiface_card_profile *new_active;
+ int r;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(iter);
+ pa_assert(c);
+
+ dbus_message_iter_get_basic(iter, &new_active_path);
+
+ if (!(new_active = pa_hashmap_get(c->profiles, new_active_path))) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such profile.", new_active_path);
+ return;
+ }
+
+ if ((r = pa_card_set_profile(c->card, pa_dbusiface_card_profile_get_profile(new_active), true)) < 0) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED,
+ "Internal error in PulseAudio: pa_card_set_profile() failed with error code %i.", r);
+ return;
+ }
+
+ pa_dbus_send_empty_reply(conn, msg);
+}
+
+static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ pa_dbus_send_proplist_variant_reply(conn, msg, c->proplist);
+}
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter;
+ DBusMessageIter dict_iter;
+ dbus_uint32_t idx;
+ const char *owner_module = NULL;
+ const char **sinks = NULL;
+ unsigned n_sinks = 0;
+ const char **sources = NULL;
+ unsigned n_sources = 0;
+ const char **profiles = NULL;
+ unsigned n_profiles = 0;
+ const char *active_profile = NULL;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ idx = c->card->index;
+ if (c->card->module)
+ owner_module = pa_dbusiface_core_get_module_path(c->core, c->card->module);
+ sinks = get_sinks(c, &n_sinks);
+ sources = get_sources(c, &n_sources);
+ profiles = get_profiles(c, &n_profiles);
+ active_profile = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
+
+ pa_assert_se((reply = dbus_message_new_method_return(msg)));
+
+ dbus_message_iter_init_append(reply, &msg_iter);
+ pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
+
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &c->card->name);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DRIVER].property_name, DBUS_TYPE_STRING, &c->card->driver);
+
+ if (owner_module)
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_OWNER_MODULE].property_name, DBUS_TYPE_OBJECT_PATH, &owner_module);
+
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SINKS].property_name, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SOURCES].property_name, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROFILES].property_name, DBUS_TYPE_OBJECT_PATH, profiles, n_profiles);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ACTIVE_PROFILE].property_name, DBUS_TYPE_OBJECT_PATH, &active_profile);
+
+ pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, c->proplist);
+
+ pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
+
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+
+ dbus_message_unref(reply);
+
+ pa_xfree(sinks);
+ pa_xfree(sources);
+ pa_xfree(profiles);
+}
+
+static void handle_get_profile_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ const char *profile_name = NULL;
+ pa_dbusiface_card_profile *profile = NULL;
+ const char *profile_path = NULL;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(c);
+
+ pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &profile_name, DBUS_TYPE_INVALID));
+
+ if (!(profile = pa_hashmap_get(c->profiles, profile_name))) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such profile on card %s.", profile_name, c->card->name);
+ return;
+ }
+
+ profile_path = pa_dbusiface_card_profile_get_path(profile);
+
+ pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &profile_path);
+}
+
+static void subscription_cb(pa_core *core, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
+ pa_dbusiface_card *c = userdata;
+ DBusMessage *signal_msg = NULL;
+
+ pa_assert(core);
+ pa_assert((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_CARD);
+ pa_assert(c);
+
+ /* We can't use idx != c->card->index, because the c->card pointer may
+ * be stale at this point. */
+ if (pa_idxset_get_by_index(core->cards, idx) != c->card)
+ return;
+
+ if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) != PA_SUBSCRIPTION_EVENT_CHANGE)
+ return;
+
+ if (c->active_profile != c->card->active_profile) {
+ const char *object_path;
+
+ c->active_profile = c->card->active_profile;
+ object_path = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
+
+ pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
+ PA_DBUSIFACE_CARD_INTERFACE,
+ signals[SIGNAL_ACTIVE_PROFILE_UPDATED].name));
+ pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
+
+ pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
+ dbus_message_unref(signal_msg);
+ signal_msg = NULL;
+ }
+
+ if (!pa_proplist_equal(c->proplist, c->card->proplist)) {
+ DBusMessageIter msg_iter;
+
+ pa_proplist_update(c->proplist, PA_UPDATE_SET, c->card->proplist);
+
+ pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
+ PA_DBUSIFACE_CARD_INTERFACE,
+ signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
+ dbus_message_iter_init_append(signal_msg, &msg_iter);
+ pa_dbus_append_proplist(&msg_iter, c->proplist);
+
+ pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
+ dbus_message_unref(signal_msg);
+ signal_msg = NULL;
+ }
+}
+
+static pa_hook_result_t card_profile_added_cb(void *hook_data, void *call_data, void *slot_data) {
+ pa_core *core = hook_data;
+ pa_dbusiface_card *c = slot_data;
+ pa_card_profile *profile = call_data;
+ pa_dbusiface_card_profile *p;
+ const char *object_path;
+ DBusMessage *signal_msg;
+
+ if (profile->card != c->card)
+ return PA_HOOK_OK;
+
+ p = pa_dbusiface_card_profile_new(c, core, profile, c->next_profile_index++);
+ pa_assert_se(pa_hashmap_put(c->profiles, (char *) pa_dbusiface_card_profile_get_name(p), p) >= 0);
+
+ /* Send D-Bus signal */
+ object_path = pa_dbusiface_card_profile_get_path(p);
+
+ pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
+ PA_DBUSIFACE_CARD_INTERFACE,
+ signals[SIGNAL_NEW_PROFILE].name));
+ pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
+
+ pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
+ dbus_message_unref(signal_msg);
+
+ return PA_HOOK_OK;
+}
pa_dbusiface_card *pa_dbusiface_card_new(pa_dbusiface_core *core, pa_card *card) {
pa_dbusiface_card *c = NULL;
+ pa_card_profile *profile;
+ void *state;
pa_assert(core);
pa_assert(card);
c->core = core;
c->card = card;
c->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, OBJECT_NAME, card->index);
+ c->profiles = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL,
+ (pa_free_cb_t) pa_dbusiface_card_profile_free);
+ c->next_profile_index = 0;
+ c->active_profile = card->active_profile;
+ c->proplist = pa_proplist_copy(card->proplist);
+ c->dbus_protocol = pa_dbus_protocol_get(card->core);
+ c->subscription = pa_subscription_new(card->core, PA_SUBSCRIPTION_MASK_CARD, subscription_cb, c);
+
+ PA_HASHMAP_FOREACH(profile, card->profiles, state) {
+ pa_dbusiface_card_profile *p = pa_dbusiface_card_profile_new(c, card->core, profile, c->next_profile_index++);
+ pa_hashmap_put(c->profiles, (char *) pa_dbusiface_card_profile_get_name(p), p);
+ }
+
+ pa_assert_se(pa_dbus_protocol_add_interface(c->dbus_protocol, c->path, &card_interface_info, c) >= 0);
+
+ c->card_profile_added_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_ADDED], PA_HOOK_NORMAL,
+ card_profile_added_cb, c);
return c;
}
void pa_dbusiface_card_free(pa_dbusiface_card *c) {
pa_assert(c);
+ pa_assert_se(pa_dbus_protocol_remove_interface(c->dbus_protocol, c->path, card_interface_info.name) >= 0);
+
+ pa_hook_slot_free(c->card_profile_added_slot);
+
+ pa_hashmap_free(c->profiles);
+ pa_proplist_free(c->proplist);
+ pa_dbus_protocol_unref(c->dbus_protocol);
+ pa_subscription_free(c->subscription);
+
pa_xfree(c->path);
pa_xfree(c);
}