This file is part of PulseAudio.
Copyright 2008 Lennart Poettering
+ Copyright 2009 Tanu Kaskinen
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
#include <pulsecore/pstream-util.h>
#include <pulsecore/database.h>
+#ifdef HAVE_DBUS
+#include <pulsecore/dbus-util.h>
+#include <pulsecore/protocol-dbus.h>
+#endif
+
#include "module-stream-restore-symdef.h"
PA_MODULE_AUTHOR("Lennart Poettering");
pa_native_protocol *protocol;
pa_idxset *subscribed;
+
+#ifdef HAVE_DBUS
+ pa_dbus_protocol *dbus_protocol;
+ pa_hashmap *dbus_entries;
+ uint32_t next_index; /* For generating object paths for entries. */
+#endif
};
#define ENTRY_VERSION 2
SUBCOMMAND_EVENT
};
+static struct entry *read_entry(struct userdata *u, const char *name);
+static void apply_entry(struct userdata *u, const char *name, struct entry *e);
+static void trigger_save(struct userdata *u);
+
+#ifdef HAVE_DBUS
+
+#define OBJECT_PATH "/org/pulseaudio/stream_restore1"
+#define ENTRY_OBJECT_NAME "entry"
+#define INTERFACE_STREAM_RESTORE "org.PulseAudio.Ext.StreamRestore1"
+#define INTERFACE_ENTRY INTERFACE_STREAM_RESTORE ".RestoreEntry"
+
+#define DBUS_INTERFACE_REVISION 0
+
+struct dbus_entry {
+ struct userdata *userdata;
+
+ char *entry_name;
+ uint32_t index;
+ char *object_path;
+};
+
+static void handle_get_interface_revision(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_entries(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_add_entry(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_entry_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_entry_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_get_device(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_set_device(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_set_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_get_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_entry_set_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_entry_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_entry_remove(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+enum property_handler_index {
+ PROPERTY_HANDLER_INTERFACE_REVISION,
+ PROPERTY_HANDLER_ENTRIES,
+ PROPERTY_HANDLER_MAX
+};
+
+enum entry_property_handler_index {
+ ENTRY_PROPERTY_HANDLER_INDEX,
+ ENTRY_PROPERTY_HANDLER_NAME,
+ ENTRY_PROPERTY_HANDLER_DEVICE,
+ ENTRY_PROPERTY_HANDLER_VOLUME,
+ ENTRY_PROPERTY_HANDLER_IS_MUTED,
+ ENTRY_PROPERTY_HANDLER_MAX
+};
+
+static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
+ [PROPERTY_HANDLER_INTERFACE_REVISION] = { .property_name = "InterfaceRevision", .type = "u", .get_cb = handle_get_interface_revision, .set_cb = NULL },
+ [PROPERTY_HANDLER_ENTRIES] = { .property_name = "Entries", .type = "ao", .get_cb = handle_get_entries, .set_cb = NULL }
+};
+
+static pa_dbus_property_handler entry_property_handlers[ENTRY_PROPERTY_HANDLER_MAX] = {
+ [ENTRY_PROPERTY_HANDLER_INDEX] = { .property_name = "Index", .type = "u", .get_cb = handle_entry_get_index, .set_cb = NULL },
+ [ENTRY_PROPERTY_HANDLER_NAME] = { .property_name = "Name", .type = "s", .get_cb = handle_entry_get_name, .set_cb = NULL },
+ [ENTRY_PROPERTY_HANDLER_DEVICE] = { .property_name = "Device", .type = "s", .get_cb = handle_entry_get_device, .set_cb = handle_entry_set_device },
+ [ENTRY_PROPERTY_HANDLER_VOLUME] = { .property_name = "Volume", .type = "a(uu)", .get_cb = handle_entry_get_volume, .set_cb = handle_entry_set_volume },
+ [ENTRY_PROPERTY_HANDLER_IS_MUTED] = { .property_name = "IsMuted", .type = "b", .get_cb = handle_entry_get_is_muted, .set_cb = handle_entry_set_is_muted }
+};
+
+enum method_handler_index {
+ METHOD_HANDLER_ADD_ENTRY,
+ METHOD_HANDLER_GET_ENTRY_BY_NAME,
+ METHOD_HANDLER_MAX
+};
+
+enum entry_method_handler_index {
+ ENTRY_METHOD_HANDLER_REMOVE,
+ ENTRY_METHOD_HANDLER_MAX
+};
+
+static pa_dbus_arg_info add_entry_args[] = { { "name", "s", "in" },
+ { "device", "s", "in" },
+ { "volume", "a(uu)", "in" },
+ { "is_muted", "b", "in" },
+ { "entry", "o", "out" } };
+static pa_dbus_arg_info get_entry_by_name_args[] = { { "name", "s", "in" }, { "entry", "o", "out" } };
+
+static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
+ [METHOD_HANDLER_ADD_ENTRY] = {
+ .method_name = "AddEntry",
+ .arguments = add_entry_args,
+ .n_arguments = sizeof(add_entry_args) / sizeof(pa_dbus_arg_info),
+ .receive_cb = handle_add_entry },
+ [METHOD_HANDLER_GET_ENTRY_BY_NAME] = {
+ .method_name = "GetEntryByName",
+ .arguments = get_entry_by_name_args,
+ .n_arguments = sizeof(get_entry_by_name_args) / sizeof(pa_dbus_arg_info),
+ .receive_cb = handle_get_entry_by_name }
+};
+
+static pa_dbus_method_handler entry_method_handlers[ENTRY_METHOD_HANDLER_MAX] = {
+ [ENTRY_METHOD_HANDLER_REMOVE] = {
+ .method_name = "Remove",
+ .arguments = NULL,
+ .n_arguments = 0,
+ .receive_cb = handle_entry_remove }
+};
+
+enum signal_index {
+ SIGNAL_NEW_ENTRY,
+ SIGNAL_ENTRY_REMOVED,
+ SIGNAL_MAX
+};
+
+enum entry_signal_index {
+ ENTRY_SIGNAL_DEVICE_UPDATED,
+ ENTRY_SIGNAL_VOLUME_UPDATED,
+ ENTRY_SIGNAL_MUTE_UPDATED,
+ ENTRY_SIGNAL_MAX
+};
+
+static pa_dbus_arg_info new_entry_args[] = { { "entry", "o", NULL } };
+static pa_dbus_arg_info entry_removed_args[] = { { "entry", "o", NULL } };
+
+static pa_dbus_arg_info entry_device_updated_args[] = { { "device", "s", NULL } };
+static pa_dbus_arg_info entry_volume_updated_args[] = { { "volume", "a(uu)", NULL } };
+static pa_dbus_arg_info entry_mute_updated_args[] = { { "muted", "b", NULL } };
+
+static pa_dbus_signal_info signals[SIGNAL_MAX] = {
+ [SIGNAL_NEW_ENTRY] = { .name = "NewEntry", .arguments = new_entry_args, .n_arguments = 1 },
+ [SIGNAL_ENTRY_REMOVED] = { .name = "EntryRemoved", .arguments = entry_removed_args, .n_arguments = 1 }
+};
+
+static pa_dbus_signal_info entry_signals[ENTRY_SIGNAL_MAX] = {
+ [ENTRY_SIGNAL_DEVICE_UPDATED] = { .name = "DeviceUpdated", .arguments = entry_device_updated_args, .n_arguments = 1 },
+ [ENTRY_SIGNAL_VOLUME_UPDATED] = { .name = "VolumeUpdated", .arguments = entry_volume_updated_args, .n_arguments = 1 },
+ [ENTRY_SIGNAL_MUTE_UPDATED] = { .name = "MuteUpdated", .arguments = entry_mute_updated_args, .n_arguments = 1 }
+};
+
+static pa_dbus_interface_info stream_restore_interface_info = {
+ .name = INTERFACE_STREAM_RESTORE,
+ .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 pa_dbus_interface_info entry_interface_info = {
+ .name = INTERFACE_ENTRY,
+ .method_handlers = entry_method_handlers,
+ .n_method_handlers = ENTRY_METHOD_HANDLER_MAX,
+ .property_handlers = entry_property_handlers,
+ .n_property_handlers = ENTRY_PROPERTY_HANDLER_MAX,
+ .get_all_properties_cb = handle_entry_get_all,
+ .signals = entry_signals,
+ .n_signals = ENTRY_SIGNAL_MAX
+};
+
+static struct dbus_entry *dbus_entry_new(struct userdata *u, const char *entry_name) {
+ struct dbus_entry *de;
+
+ pa_assert(u);
+ pa_assert(entry_name);
+ pa_assert(*entry_name);
+
+ de = pa_xnew(struct dbus_entry, 1);
+ de->userdata = u;
+ de->entry_name = pa_xstrdup(entry_name);
+ de->index = u->next_index++;
+ de->object_path = pa_sprintf_malloc("%s/%s%u", OBJECT_PATH, ENTRY_OBJECT_NAME, de->index);
+
+ pa_assert_se(pa_dbus_protocol_add_interface(u->dbus_protocol, de->object_path, &entry_interface_info, u) >= 0);
+
+ return de;
+}
+
+static void dbus_entry_free(struct dbus_entry *de) {
+ pa_assert(de);
+
+ pa_assert_se(pa_dbus_protocol_remove_interface(de->userdata->dbus_protocol, de->object_path, entry_interface_info.name) >= 0);
+
+ pa_xfree(de->entry_name);
+ pa_xfree(de->object_path);
+}
+
+/* Reads an array [(UInt32, UInt32)] from the iterator. The struct items are
+ * are a channel position and a volume value, respectively. The result is
+ * stored in the map and vol arguments. If the volume can't be read from the
+ * iterator, an error reply is sent and a negative number is returned. In case
+ * of a failure we make no guarantees about the state of map and vol. In case
+ * of an empty array the channels field of both map and vol are set to 0. */
+static int get_volume_arg(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, pa_channel_map *map, pa_cvolume *vol) {
+ DBusMessageIter array_iter;
+ DBusMessageIter struct_iter;
+ int arg_type;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(iter);
+ pa_assert(map);
+ pa_assert(vol);
+
+ pa_channel_map_init(map);
+ pa_cvolume_init(vol);
+
+ map->channels = 0;
+ vol->channels = 0;
+
+ arg_type = dbus_message_iter_get_arg_type(iter);
+ if (arg_type != DBUS_TYPE_ARRAY) {
+ if (arg_type == DBUS_TYPE_INVALID)
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments. An array was expected.");
+ else
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type: '%c'. An array was expected.", (char) arg_type);
+ return -1;
+ }
+
+ arg_type = dbus_message_iter_get_element_type(iter);
+ if (arg_type != DBUS_TYPE_STRUCT) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong array element type: '%c'. A struct was expected.", (char) arg_type);
+ return -1;
+ }
+
+ dbus_message_iter_recurse(iter, &array_iter);
+
+ while (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_INVALID) {
+ dbus_uint32_t chan_pos;
+ dbus_uint32_t chan_vol;
+
+ dbus_message_iter_recurse(&array_iter, &struct_iter);
+
+ arg_type = dbus_message_iter_get_arg_type(&struct_iter);
+ if (arg_type != DBUS_TYPE_UINT32) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong channel position type: '%c'. An unsigned 32-bit integer was expected.", (char) arg_type);
+ return -1;
+ }
+
+ dbus_message_iter_get_basic(&struct_iter, &chan_pos);
+ dbus_message_iter_next(&struct_iter);
+
+ if (chan_pos >= PA_CHANNEL_POSITION_MAX) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid channel position: %u", chan_pos);
+ return -1;
+ }
+
+ arg_type = dbus_message_iter_get_arg_type(&struct_iter);
+ if (arg_type != DBUS_TYPE_UINT32) {
+ if (arg_type == DBUS_TYPE_INVALID)
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Channel volume missing.");
+ else
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong volume value type: '%c'. An unsigned 32-bit integer was expected.", (char) arg_type);
+ return -1;
+ }
+
+ dbus_message_iter_get_basic(&struct_iter, &chan_vol);
+
+ if (chan_vol > PA_VOLUME_MAX) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid volume: %u", chan_vol);
+ return -1;
+ }
+
+ if (map->channels < PA_CHANNELS_MAX) {
+ map->map[map->channels] = chan_pos;
+ vol->values[map->channels] = chan_vol;
+ }
+ ++map->channels;
+ ++vol->channels;
+
+ dbus_message_iter_next(&array_iter);
+ }
+
+ if (map->channels > PA_CHANNELS_MAX) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too many channels: %u. The maximum is %u.", map->channels, PA_CHANNELS_MAX);
+ return -1;
+ }
+
+ dbus_message_iter_next(iter);
+
+ return 0;
+}
+
+static void append_volume(DBusMessageIter *iter, struct entry *e) {
+ DBusMessageIter array_iter;
+ DBusMessageIter struct_iter;
+ unsigned i;
+
+ pa_assert(iter);
+ pa_assert(e);
+
+ pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, "(uu)", &array_iter));
+
+ if (!e->volume_valid) {
+ pa_assert_se(dbus_message_iter_close_container(iter, &array_iter));
+ return;
+ }
+
+ for (i = 0; i < e->channel_map.channels; ++i) {
+ pa_assert_se(dbus_message_iter_open_container(&array_iter, DBUS_TYPE_STRUCT, NULL, &struct_iter));
+
+ pa_assert_se(dbus_message_iter_append_basic(&struct_iter, DBUS_TYPE_UINT32, &e->channel_map.map[i]));
+ pa_assert_se(dbus_message_iter_append_basic(&struct_iter, DBUS_TYPE_UINT32, &e->volume.values[i]));
+
+ pa_assert_se(dbus_message_iter_close_container(&array_iter, &struct_iter));
+ }
+
+ pa_assert_se(dbus_message_iter_close_container(iter, &array_iter));
+}
+
+static void append_volume_variant(DBusMessageIter *iter, struct entry *e) {
+ DBusMessageIter variant_iter;
+
+ pa_assert(iter);
+ pa_assert(e);
+
+ pa_assert_se(dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a(uu)", &variant_iter));
+
+ append_volume(&variant_iter, e);
+
+ pa_assert_se(dbus_message_iter_close_container(iter, &variant_iter));
+}
+
+static void send_new_entry_signal(struct dbus_entry *entry) {
+ DBusMessage *signal;
+
+ pa_assert(entry);
+
+ pa_assert_se(signal = dbus_message_new_signal(OBJECT_PATH, INTERFACE_STREAM_RESTORE, signals[SIGNAL_NEW_ENTRY].name));
+ pa_assert_se(dbus_message_append_args(signal, DBUS_TYPE_OBJECT_PATH, &entry->object_path, DBUS_TYPE_INVALID));
+ pa_dbus_protocol_send_signal(entry->userdata->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+static void send_entry_removed_signal(struct dbus_entry *entry) {
+ DBusMessage *signal;
+
+ pa_assert(entry);
+
+ pa_assert_se(signal = dbus_message_new_signal(OBJECT_PATH, INTERFACE_STREAM_RESTORE, signals[SIGNAL_ENTRY_REMOVED].name));
+ pa_assert_se(dbus_message_append_args(signal, DBUS_TYPE_OBJECT_PATH, &entry->object_path, DBUS_TYPE_INVALID));
+ pa_dbus_protocol_send_signal(entry->userdata->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+static void send_device_updated_signal(struct dbus_entry *de, struct entry *e) {
+ DBusMessage *signal;
+ const char *device;
+
+ pa_assert(de);
+ pa_assert(e);
+
+ device = e->device_valid ? e->device : "";
+
+ pa_assert_se(signal = dbus_message_new_signal(de->object_path, INTERFACE_ENTRY, entry_signals[ENTRY_SIGNAL_DEVICE_UPDATED].name));
+ pa_assert_se(dbus_message_append_args(signal, DBUS_TYPE_STRING, &device, DBUS_TYPE_INVALID));
+ pa_dbus_protocol_send_signal(de->userdata->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+static void send_volume_updated_signal(struct dbus_entry *de, struct entry *e) {
+ DBusMessage *signal;
+ DBusMessageIter msg_iter;
+
+ pa_assert(de);
+ pa_assert(e);
+
+ pa_assert_se(signal = dbus_message_new_signal(de->object_path, INTERFACE_ENTRY, entry_signals[ENTRY_SIGNAL_VOLUME_UPDATED].name));
+ dbus_message_iter_init_append(signal, &msg_iter);
+ append_volume(&msg_iter, e);
+ pa_dbus_protocol_send_signal(de->userdata->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+static void send_mute_updated_signal(struct dbus_entry *de, struct entry *e) {
+ DBusMessage *signal;
+ dbus_bool_t muted;
+
+ pa_assert(de);
+ pa_assert(e);
+
+ pa_assert(e->muted_valid);
+
+ muted = e->muted;
+
+ pa_assert_se(signal = dbus_message_new_signal(de->object_path, INTERFACE_ENTRY, entry_signals[ENTRY_SIGNAL_MUTE_UPDATED].name));
+ pa_assert_se(dbus_message_append_args(signal, DBUS_TYPE_BOOLEAN, &muted, DBUS_TYPE_INVALID));
+ pa_dbus_protocol_send_signal(de->userdata->dbus_protocol, signal);
+ dbus_message_unref(signal);
+}
+
+static void handle_get_interface_revision(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ dbus_uint32_t interface_revision = DBUS_INTERFACE_REVISION;
+
+ pa_assert(conn);
+ pa_assert(msg);
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &interface_revision);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_entries(struct userdata *u, unsigned *n) {
+ const char **entries;
+ unsigned i = 0;
+ void *state = NULL;
+ struct dbus_entry *de;
+
+ pa_assert(u);
+ pa_assert(n);
+
+ *n = pa_hashmap_size(u->dbus_entries);
+
+ if (*n == 0)
+ return NULL;
+
+ entries = pa_xnew(const char *, *n);
+
+ while ((de = pa_hashmap_iterate(u->dbus_entries, &state, NULL))) {
+ entries[i] = de->object_path;
+ ++i;
+ }
+
+ return entries;
+}
+
+static void handle_get_entries(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct userdata *u = userdata;
+ const char **entries;
+ unsigned n;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ entries = get_entries(u, &n);
+
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, entries, n);
+
+ pa_xfree(entries);
+}
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct userdata *u = userdata;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter;
+ DBusMessageIter dict_iter;
+ dbus_uint32_t interface_revision;
+ const char **entries;
+ unsigned n_entries;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ interface_revision = DBUS_INTERFACE_REVISION;
+ entries = get_entries(u, &n_entries);
+
+ 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_INTERFACE_REVISION].property_name, DBUS_TYPE_UINT32, &interface_revision);
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ENTRIES].property_name, DBUS_TYPE_OBJECT_PATH, entries, n_entries);
+
+ 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(entries);
+}
+
+static void handle_add_entry(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct userdata *u = userdata;
+ DBusMessageIter msg_iter;
+ const char *name;
+ const char *device;
+ pa_channel_map map;
+ pa_cvolume vol;
+ dbus_bool_t muted;
+ dbus_bool_t apply_immediately;
+ pa_datum key;
+ pa_datum value;
+ struct dbus_entry *dbus_entry;
+ struct entry *e;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ if (!dbus_message_iter_init(msg, &msg_iter)) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments.");
+ return;
+ }
+
+ if (pa_dbus_get_basic_arg(conn, msg, &msg_iter, DBUS_TYPE_STRING, &name) < 0)
+ return;
+
+ if (pa_dbus_get_basic_arg(conn, msg, &msg_iter, DBUS_TYPE_STRING, &device) < 0)
+ return;
+
+ if (get_volume_arg(conn, msg, &msg_iter, &map, &vol) < 0)
+ return;
+
+ if (pa_dbus_get_basic_arg(conn, msg, &msg_iter, DBUS_TYPE_BOOLEAN, &muted) < 0)
+ return;
+
+ if (pa_dbus_get_basic_arg(conn, msg, &msg_iter, DBUS_TYPE_BOOLEAN, &apply_immediately) < 0)
+ return;
+
+ if (!*name) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "An empty string was given as the entry name.");
+ return;
+ }
+
+ if ((dbus_entry = pa_hashmap_get(u->dbus_entries, name))) {
+ pa_bool_t mute_updated = FALSE;
+ pa_bool_t volume_updated = FALSE;
+ pa_bool_t device_updated = FALSE;
+
+ pa_assert_se(e = read_entry(u, name));
+ mute_updated = e->muted != muted;
+ e->muted = muted;
+ e->muted_valid = TRUE;
+
+ volume_updated = (e->volume_valid != !!map.channels) || !pa_cvolume_equal(&e->volume, &vol);
+ e->volume = vol;
+ e->channel_map = map;
+ e->volume_valid = !!map.channels;
+
+ device_updated = (e->device_valid != !!device[0]) || !pa_streq(e->device, device);
+ pa_strlcpy(e->device, device, sizeof(e->device));
+ e->device_valid = !!device[0];
+
+ if (mute_updated)
+ send_mute_updated_signal(dbus_entry, e);
+ if (volume_updated)
+ send_volume_updated_signal(dbus_entry, e);
+ if (device_updated)
+ send_device_updated_signal(dbus_entry, e);
+
+ } else {
+ dbus_entry = dbus_entry_new(u, name);
+ pa_assert(pa_hashmap_put(u->dbus_entries, dbus_entry->entry_name, dbus_entry) >= 0);
+
+ e->muted_valid = TRUE;
+ e->volume_valid = !!map.channels;
+ e->device_valid = !!device[0];
+ e->muted = muted;
+ e->volume = vol;
+ e->channel_map = map;
+ pa_strlcpy(e->device, device, sizeof(e->device));
+
+ send_new_entry_signal(dbus_entry);
+ }
+
+ key.data = (char *) name;
+ key.size = strlen(name);
+
+ value.data = e;
+ value.size = sizeof(struct entry);
+
+ pa_assert_se(pa_database_set(u->database, &key, &value, TRUE) == 0);
+ if (apply_immediately)
+ apply_entry(u, name, e);
+
+ trigger_save(u);
+
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_xfree(e);
+}
+
+static void handle_get_entry_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct userdata *u = userdata;
+ const char *name;
+ struct dbus_entry *de;
+ DBusError error;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(u);
+
+ dbus_error_init(&error);
+
+ if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
+ dbus_error_free(&error);
+ return;
+ }
+
+ if (!(de = pa_hashmap_get(u->dbus_entries, name))) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "No such stream restore entry.");
+ return;
+ }
+
+ pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &de->object_path);
+}
+
+static void handle_entry_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &de->index);
+}
+
+static void handle_entry_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &de->entry_name);
+}
+
+static void handle_entry_get_device(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ struct entry *e;
+ const char *device;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ device = e->device_valid ? e->device : "";
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &device);
+
+ pa_xfree(e);
+}
+
+static void handle_entry_set_device(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ const char *device;
+ struct entry *e;
+ pa_bool_t updated;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ if (pa_dbus_get_basic_set_property_arg(conn, msg, DBUS_TYPE_STRING, &device) < 0)
+ return;
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ updated = (e->device_valid != !!device[0]) || !pa_streq(e->device, device);
+
+ if (updated) {
+ pa_datum key;
+ pa_datum value;
+
+ pa_strlcpy(e->device, device, sizeof(e->device));
+ e->device_valid = !!device[0];
+
+ key.data = de->entry_name;
+ key.size = strlen(de->entry_name);
+ value.data = e;
+ value.size = sizeof(struct entry);
+ pa_assert_se(pa_database_set(de->userdata->database, &key, &value, TRUE) == 0);
+
+ send_device_updated_signal(de, e);
+ trigger_save(de->userdata);
+ }
+
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_xfree(e);
+}
+
+static void handle_entry_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ DBusMessage *reply;
+ DBusMessageIter msg_iter;
+ struct entry *e;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ pa_assert_se(reply = dbus_message_new_method_return(msg));
+
+ dbus_message_iter_init_append(reply, &msg_iter);
+ append_volume_variant(&msg_iter, e);
+
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+
+ pa_xfree(e);
+}
+
+static void handle_entry_set_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ DBusMessageIter msg_iter;
+ pa_channel_map map;
+ pa_cvolume vol;
+ struct entry *e;
+ pa_bool_t updated;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ /* Skip the interface and property name arguments. */
+ if (!dbus_message_iter_init(msg, &msg_iter) || !dbus_message_iter_next(&msg_iter) || !dbus_message_iter_next(&msg_iter)) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments.");
+ return;
+ }
+
+ if (get_volume_arg(conn, msg, &msg_iter, &map, &vol) < 0)
+ return;
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ updated = (e->volume_valid != !!map.channels) || !pa_cvolume_equal(&e->volume, &vol);
+
+ if (updated) {
+ pa_datum key;
+ pa_datum value;
+
+ e->volume = vol;
+ e->channel_map = map;
+ e->volume_valid = !!map.channels;
+
+ key.data = de->entry_name;
+ key.size = strlen(de->entry_name);
+ value.data = e;
+ value.size = sizeof(struct entry);
+ pa_assert_se(pa_database_set(de->userdata->database, &key, &value, TRUE) == 0);
+
+ send_volume_updated_signal(de, e);
+ trigger_save(de->userdata);
+ }
+
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_xfree(e);
+}
+
+static void handle_entry_get_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ struct entry *e;
+ dbus_bool_t muted;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ muted = e->muted_valid ? e->muted : FALSE;
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &muted);
+
+ pa_xfree(e);
+}
+
+static void handle_entry_set_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ pa_bool_t muted;
+ struct entry *e;
+ pa_bool_t updated;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ if (pa_dbus_get_basic_set_property_arg(conn, msg, DBUS_TYPE_BOOLEAN, &muted) < 0)
+ return;
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ updated = !e->muted_valid || e->muted != muted;
+
+ if (updated) {
+ pa_datum key;
+ pa_datum value;
+
+ e->muted = muted;
+ e->muted_valid = TRUE;
+
+ key.data = de->entry_name;
+ key.size = strlen(de->entry_name);
+ value.data = e;
+ value.size = sizeof(struct entry);
+ pa_assert_se(pa_database_set(de->userdata->database, &key, &value, TRUE) == 0);
+
+ send_mute_updated_signal(de, e);
+ trigger_save(de->userdata);
+ }
+
+ pa_dbus_send_empty_reply(conn, msg);
+
+ pa_xfree(e);
+}
+
+static void handle_entry_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ struct entry *e;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter;
+ DBusMessageIter dict_iter;
+ DBusMessageIter dict_entry_iter;
+ const char *device;
+ dbus_bool_t muted;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ pa_assert_se(e = read_entry(de->userdata, de->entry_name));
+
+ device = e->device_valid ? e->device : "";
+ muted = e->muted_valid ? e->muted : FALSE;
+
+ 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, entry_property_handlers[ENTRY_PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &de->index);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, entry_property_handlers[ENTRY_PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &de->entry_name);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, entry_property_handlers[ENTRY_PROPERTY_HANDLER_DEVICE].property_name, DBUS_TYPE_STRING, &device);
+
+ pa_assert_se(dbus_message_iter_open_container(&dict_iter, DBUS_TYPE_DICT_ENTRY, NULL, &dict_entry_iter));
+
+ pa_assert_se(dbus_message_iter_append_basic(&dict_entry_iter, DBUS_TYPE_STRING, &entry_property_handlers[ENTRY_PROPERTY_HANDLER_VOLUME].property_name));
+ append_volume_variant(&dict_entry_iter, e);
+
+ pa_assert_se(dbus_message_iter_close_container(&dict_iter, &dict_entry_iter));
+
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, entry_property_handlers[ENTRY_PROPERTY_HANDLER_IS_MUTED].property_name, DBUS_TYPE_BOOLEAN, &muted);
+
+ 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(e);
+}
+
+static void handle_entry_remove(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ struct dbus_entry *de = userdata;
+ pa_datum key;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(de);
+
+ key.data = de->entry_name;
+ key.size = strlen(de->entry_name);
+
+ pa_assert_se(pa_database_unset(de->userdata->database, &key) == 0);
+
+ send_entry_removed_signal(de);
+ trigger_save(de->userdata);
+
+ pa_assert_se(pa_hashmap_remove(de->userdata->dbus_entries, de->entry_name));
+ dbus_entry_free(de);
+
+ pa_dbus_send_empty_reply(conn, msg);
+}
+
+#endif /* HAVE_DBUS */
+
static void save_time_callback(pa_mainloop_api*a, pa_time_event* e, const struct timeval *t, void *userdata) {
struct userdata *u = userdata;
return t;
}
-static struct entry* read_entry(struct userdata *u, const char *name) {
+static struct entry *read_entry(struct userdata *u, const char *name) {
pa_datum key, data;
struct entry *e;
char *name;
pa_datum key, data;
+ /* These are only used when D-Bus is enabled, but in order to reduce ifdef
+ * clutter these are defined here unconditionally. */
+ pa_bool_t created_new_entry = TRUE;
+ pa_bool_t device_updated = FALSE;
+ pa_bool_t volume_updated = FALSE;
+ pa_bool_t mute_updated = FALSE;
+
+#ifdef HAVE_DBUS
+ struct dbus_entry *de = NULL;
+#endif
+
pa_assert(c);
pa_assert(u);
if (!(name = get_name(sink_input->proplist, "sink-input")))
return;
- if ((old = read_entry(u, name)))
+ if ((old = read_entry(u, name))) {
entry = *old;
+ created_new_entry = FALSE;
+ }
if (sink_input->save_volume) {
entry.channel_map = sink_input->channel_map;
pa_sink_input_get_volume(sink_input, &entry.volume, FALSE);
entry.volume_valid = TRUE;
+
+ volume_updated = !created_new_entry
+ && (!old->volume_valid
+ || !pa_channel_map_equal(&entry.channel_map, &old->channel_map)
+ || !pa_cvolume_equal(&entry.volume, &old->volume));
}
if (sink_input->save_muted) {
entry.muted = pa_sink_input_get_mute(sink_input);
entry.muted_valid = TRUE;
+
+ mute_updated = !created_new_entry && (!old->muted_valid || entry.muted != old->muted);
}
if (sink_input->save_sink) {
pa_strlcpy(entry.device, sink_input->sink->name, sizeof(entry.device));
entry.device_valid = TRUE;
+
+ device_updated = !created_new_entry && (!old->device_valid || !pa_streq(entry.device, old->device));
}
} else {
if (!(name = get_name(source_output->proplist, "source-output")))
return;
- if ((old = read_entry(u, name)))
+ if ((old = read_entry(u, name))) {
entry = *old;
+ created_new_entry = FALSE;
+ }
if (source_output->save_source) {
pa_strlcpy(entry.device, source_output->source->name, sizeof(entry.device));
entry.device_valid = source_output->save_source;
+
+ device_updated = !created_new_entry && (!old->device_valid || !pa_streq(entry.device, old->device));
}
}
pa_database_set(u->database, &key, &data, TRUE);
+#ifdef HAVE_DBUS
+ if (created_new_entry) {
+ de = dbus_entry_new(u, name);
+ pa_hashmap_put(u->dbus_entries, de->entry_name, de);
+ send_new_entry_signal(de);
+ } else {
+ pa_assert((de = pa_hashmap_get(u->dbus_entries, name)));
+
+ if (device_updated)
+ send_device_updated_signal(de, &entry);
+ if (volume_updated)
+ send_volume_updated_signal(de, &entry);
+ if (mute_updated)
+ send_mute_updated_signal(de, &entry);
+ }
+#endif
+
pa_xfree(name);
trigger_save(u);
mode != PA_UPDATE_SET)
goto fail;
- if (mode == PA_UPDATE_SET)
+ if (mode == PA_UPDATE_SET) {
+#ifdef HAVE_DBUS
+ struct dbus_entry *de;
+ void *state = NULL;
+
+ while ((de = pa_hashmap_iterate(u->dbus_entries, &state, NULL))) {
+ send_entry_removed_signal(de);
+ dbus_entry_free(pa_hashmap_remove(u->dbus_entries, de->entry_name));
+ }
+#endif
pa_database_clear(u->database);
+ }
while (!pa_tagstruct_eof(t)) {
const char *name, *device;
pa_bool_t muted;
struct entry entry;
pa_datum key, data;
+#ifdef HAVE_DBUS
+ struct entry *old;
+#endif
pa_zero(entry);
entry.version = ENTRY_VERSION;
!pa_namereg_is_valid_name(entry.device))
goto fail;
+#ifdef HAVE_DBUS
+ old = read_entry(u, name);
+#endif
+
key.data = (char*) name;
key.size = strlen(name);
data.data = &entry;
data.size = sizeof(entry);
- if (pa_database_set(u->database, &key, &data, mode == PA_UPDATE_REPLACE) == 0)
+ if (pa_database_set(u->database, &key, &data, mode == PA_UPDATE_REPLACE) == 0) {
+#ifdef HAVE_DBUS
+ struct dbus_entry *de;
+
+ if (old) {
+ pa_assert_se((de = pa_hashmap_get(u->dbus_entries, name)));
+
+ if ((old->device_valid != entry.device_valid)
+ || (entry.device_valid && !pa_streq(entry.device, old->device)))
+ send_device_updated_signal(de, &entry);
+
+ if ((old->volume_valid != entry.volume_valid)
+ || (entry.volume_valid
+ && (!pa_cvolume_equal(&entry.volume, &old->volume) || !pa_channel_map_equal(&entry.channel_map, &old->channel_map))))
+ send_volume_updated_signal(de, &entry);
+
+ if (!old->muted_valid || (entry.muted != old->muted))
+ send_mute_updated_signal(de, &entry);
+
+ } else {
+ de = dbus_entry_new(u, name);
+ pa_assert_se(pa_hashmap_put(u->dbus_entries, de->entry_name, de));
+ send_new_entry_signal(de);
+ }
+#endif
+
if (apply_immediately)
apply_entry(u, name, &entry);
+ }
+
+#ifdef HAVE_DBUS
+ if (old)
+ pa_xfree(old);
+#endif
}
trigger_save(u);
while (!pa_tagstruct_eof(t)) {
const char *name;
pa_datum key;
+#ifdef HAVE_DBUS
+ struct dbus_entry *de;
+#endif
if (pa_tagstruct_gets(t, &name) < 0)
goto fail;
+#ifdef HAVE_DBUS
+ if ((de = pa_hashmap_get(u->dbus_entries, name))) {
+ send_entry_removed_signal(de);
+ dbus_entry_free(pa_hashmap_remove(u->dbus_entries, name));
+ }
+#endif
+
key.data = (char*) name;
key.size = strlen(name);
pa_source_output *so;
uint32_t idx;
pa_bool_t restore_device = TRUE, restore_volume = TRUE, restore_muted = TRUE, on_hotplug = TRUE, on_rescue = TRUE;
+#ifdef HAVE_DBUS
+ pa_datum key;
+ pa_bool_t done;
+#endif
pa_assert(m);
pa_log_info("Sucessfully opened database file '%s'.", fname);
pa_xfree(fname);
+#ifdef HAVE_DBUS
+ u->dbus_protocol = pa_dbus_protocol_get(u->core);
+ u->dbus_entries = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+
+ pa_assert_se(pa_dbus_protocol_add_interface(u->dbus_protocol, OBJECT_PATH, &stream_restore_interface_info, u) >= 0);
+ pa_assert_se(pa_dbus_protocol_register_extension(u->dbus_protocol, INTERFACE_STREAM_RESTORE) >= 0);
+
+ /* Create the initial dbus entries. */
+ done = !pa_database_first(u->database, &key, NULL);
+ while (!done) {
+ pa_datum next_key;
+ char *name;
+ struct dbus_entry *de;
+
+ done = !pa_database_next(u->database, &key, &next_key, NULL);
+
+ name = pa_xstrndup(key.data, key.size);
+ pa_datum_free(&key);
+
+ de = dbus_entry_new(u, name);
+ pa_assert_se(pa_hashmap_put(u->dbus_entries, de->entry_name, de) >= 0);
+
+ pa_xfree(name);
+
+ key = next_key;
+ }
+#endif
+
PA_IDXSET_FOREACH(si, m->core->sink_inputs, idx)
subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, si->index, u);
return -1;
}
+#ifdef HAVE_DBUS
+static void free_dbus_entry_cb(void *p, void *userdata) {
+ struct dbus_entry *de = p;
+
+ pa_assert(de);
+
+ dbus_entry_free(de);
+}
+#endif
+
void pa__done(pa_module*m) {
struct userdata* u;
if (!(u = m->userdata))
return;
+#ifdef HAVE_DBUS
+ if (u->dbus_protocol) {
+ pa_assert(u->dbus_entries);
+
+ pa_assert_se(pa_dbus_protocol_unregister_extension(u->dbus_protocol, INTERFACE_STREAM_RESTORE) >= 0);
+ pa_assert_se(pa_dbus_protocol_remove_interface(u->dbus_protocol, OBJECT_PATH, stream_restore_interface_info.name) >= 0);
+
+ pa_hashmap_free(u->dbus_entries, free_dbus_entry_cb, NULL);
+
+ pa_dbus_protocol_unref(u->dbus_protocol);
+ }
+#endif
+
if (u->subscription)
pa_subscription_free(u->subscription);