/*** This file is part of PulseAudio. Copyright 2009 Tanu Kaskinen Copyright 2009 Vincent Filali-Ansary 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 #endif #include #include #include #include #include "iface-client.h" #define OBJECT_NAME "client" struct pa_dbusiface_client { pa_dbusiface_core *core; pa_client *client; char *path; pa_dbus_protocol *dbus_protocol; }; static void handle_get_index(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_playback_streams(DBusConnection *conn, DBusMessage *msg, void *userdata); static void handle_get_record_streams(DBusConnection *conn, DBusMessage *msg, 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_kill(DBusConnection *conn, DBusMessage *msg, void *userdata); static void handle_update_properties(DBusConnection *conn, DBusMessage *msg, void *userdata); static void handle_remove_properties(DBusConnection *conn, DBusMessage *msg, void *userdata);*/ enum property_handler_index { PROPERTY_HANDLER_INDEX, PROPERTY_HANDLER_DRIVER, PROPERTY_HANDLER_OWNER_MODULE, PROPERTY_HANDLER_PLAYBACK_STREAMS, PROPERTY_HANDLER_RECORD_STREAMS, 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_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_PLAYBACK_STREAMS] = { .property_name = "PlaybackStreams", .type = "ao", .get_cb = handle_get_playback_streams, .set_cb = NULL }, [PROPERTY_HANDLER_RECORD_STREAMS] = { .property_name = "RecordStreams", .type = "ao", .get_cb = handle_get_record_streams, .set_cb = NULL }, [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_KILL, METHOD_HANDLER_UPDATE_PROPERTIES, METHOD_HANDLER_REMOVE_PROPERTIES, METHOD_HANDLER_MAX }; static pa_dbus_arg_info update_properties_args[] = { { "property_list", "a{say}", "in" }, { "update_mode", "u", "in" } }; static pa_dbus_arg_info update_properties_args[] = { { "keys", "as", "in" } }; static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = { [METHOD_HANDLER_KILL] = { .method_name = "Kill", .arguments = NULL, .n_arguments = 0, .receive_cb = handle_kill }, [METHOD_HANDLER_UPDATE_PROPERTIES] = { .method_name = "UpdateProperties", .arguments = update_propertes_args, .n_arguments = sizeof(update_properties_args) / sizeof(pa_dbus_arg_info), .receive_cb = handle_update_properties }, [METHOD_HANDLER_REMOVE_PROPERTIES] = { .method_name = "RemoveProperties", .arguments = remove_propertes_args, .n_arguments = sizeof(update_properties_args) / sizeof(pa_dbus_arg_info), .receive_cb = handle_update_properties } }; enum signal_index { SIGNAL_PROPERTY_LIST_UPDATED, SIGNAL_CLIENT_EVENT, SIGNAL_MAX }; static pa_dbus_arg_info active_profile_updated_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_PROPERTY_LIST_UPDATED] = { .name = "PropertyListUpdated", .arguments = property_list_updated_args, .n_arguments = 1 } };*/ static pa_dbus_interface_info client_interface_info = { .name = PA_DBUSIFACE_CLIENT_INTERFACE, .method_handlers = /*method_handlers*/ NULL, .n_method_handlers = /*METHOD_HANDLER_MAX*/ 0, .property_handlers = property_handlers, .n_property_handlers = PROPERTY_HANDLER_MAX, .get_all_properties_cb = handle_get_all, .signals = /*signals*/ NULL, .n_signals = /*SIGNAL_MAX*/ 0 }; static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; dbus_uint32_t idx = 0; pa_assert(conn); pa_assert(msg); pa_assert(c); idx = c->client->index; pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx); } static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; pa_assert(conn); pa_assert(msg); pa_assert(c); pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->client->driver); } static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; const char *owner_module = NULL; pa_assert(conn); pa_assert(msg); pa_assert(c); if (!c->client->module) { pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Client %d doesn't have an owner module.", c->client->index); return; } owner_module = pa_dbusiface_core_get_module_path(c->core, c->client->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_playback_streams(pa_dbusiface_client *c, unsigned *n) { const char **playback_streams = NULL; unsigned i = 0; uint32_t idx = 0; pa_sink_input *sink_input = NULL; pa_assert(c); pa_assert(n); *n = pa_idxset_size(c->client->sink_inputs); if (*n == 0) return NULL; playback_streams = pa_xnew(const char *, *n); PA_IDXSET_FOREACH(sink_input, c->client->sink_inputs, idx) playback_streams[i++] = pa_dbusiface_core_get_playback_stream_path(c->core, sink_input); return playback_streams; } static void handle_get_playback_streams(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; const char **playback_streams = NULL; unsigned n_playback_streams = 0; pa_assert(conn); pa_assert(msg); pa_assert(c); playback_streams = get_playback_streams(c, &n_playback_streams); pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, playback_streams, n_playback_streams); pa_xfree(playback_streams); } /* The caller frees the array, but not the strings. */ static const char **get_record_streams(pa_dbusiface_client *c, unsigned *n) { const char **record_streams = NULL; unsigned i = 0; uint32_t idx = 0; pa_source_output *source_output = NULL; pa_assert(c); pa_assert(n); *n = pa_idxset_size(c->client->source_outputs); if (*n == 0) return NULL; record_streams = pa_xnew(const char *, *n); PA_IDXSET_FOREACH(source_output, c->client->source_outputs, idx) record_streams[i++] = pa_dbusiface_core_get_record_stream_path(c->core, source_output); return record_streams; } static void handle_get_record_streams(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; const char **record_streams = NULL; unsigned n_record_streams = 0; pa_assert(conn); pa_assert(msg); pa_assert(c); record_streams = get_record_streams(c, &n_record_streams); pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, record_streams, n_record_streams); pa_xfree(record_streams); } static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; pa_assert(conn); pa_assert(msg); pa_assert(c); pa_dbus_send_proplist_variant_reply(conn, msg, c->client->proplist); } static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) { pa_dbusiface_client *c = userdata; DBusMessage *reply = NULL; DBusMessageIter msg_iter; DBusMessageIter dict_iter; dbus_uint32_t idx = 0; const char *owner_module = NULL; const char **playback_streams = NULL; unsigned n_playback_streams = 0; const char **record_streams = NULL; unsigned n_record_streams = 0; pa_assert(conn); pa_assert(msg); pa_assert(c); idx = c->client->index; if (c->client->module) owner_module = pa_dbusiface_core_get_module_path(c->core, c->client->module); playback_streams = get_playback_streams(c, &n_playback_streams); record_streams = get_record_streams(c, &n_record_streams); 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_DRIVER].property_name, DBUS_TYPE_STRING, &c->client->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_PLAYBACK_STREAMS].property_name, DBUS_TYPE_OBJECT_PATH, playback_streams, n_playback_streams); pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_RECORD_STREAMS].property_name, DBUS_TYPE_OBJECT_PATH, record_streams, n_record_streams); pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, c->client->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(playback_streams); pa_xfree(record_streams); } pa_dbusiface_client *pa_dbusiface_client_new(pa_dbusiface_core *core, pa_client *client) { pa_dbusiface_client *c = NULL; pa_assert(core); pa_assert(client); c = pa_xnew(pa_dbusiface_client, 1); c->core = core; c->client = client; c->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, OBJECT_NAME, client->index); c->dbus_protocol = pa_dbus_protocol_get(client->core); pa_assert_se(pa_dbus_protocol_add_interface(c->dbus_protocol, c->path, &client_interface_info, c) >= 0); return c; } void pa_dbusiface_client_free(pa_dbusiface_client *c) { pa_assert(c); pa_assert_se(pa_dbus_protocol_remove_interface(c->dbus_protocol, c->path, client_interface_info.name) >= 0); pa_dbus_protocol_unref(c->dbus_protocol); pa_xfree(c->path); pa_xfree(c); } const char *pa_dbusiface_client_get_path(pa_dbusiface_client *c) { pa_assert(c); return c->path; }