--- /dev/null
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <getopt.h>
+#include <string.h>
+
+#include <dbus/dbus.h>
+#include <glib.h>
+
+static volatile sig_atomic_t __io_canceled = 0;
+static volatile sig_atomic_t __io_terminated = 0;
+static char *adapter = NULL;
+static DBusConnection *sys = NULL;
+static DBusConnection *session = NULL;
+
+static void sig_term(int sig)
+{
+ __io_canceled = 1;
+}
+
+static DBusMessage *get_all(DBusConnection *conn, const char *name)
+{
+ DBusMessage *msg, *reply;
+ DBusError err;
+ const char *iface = "org.mpris.MediaPlayer2.Player";
+
+ msg = dbus_message_new_method_call(name, "/org/mpris/MediaPlayer2",
+ DBUS_INTERFACE_PROPERTIES, "GetAll");
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return NULL;
+ }
+
+ dbus_message_append_args(msg, DBUS_TYPE_STRING, &iface,
+ DBUS_TYPE_INVALID);
+
+ dbus_error_init(&err);
+
+ reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
+
+ dbus_message_unref(msg);
+
+ if (!reply) {
+ fprintf(stderr, "Can't get default adapter\n");
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return NULL;
+ }
+
+ return reply;
+}
+
+static void append_variant(DBusMessageIter *iter, int type, void *val)
+{
+ DBusMessageIter value;
+ char sig[2] = { type, '\0' };
+
+ dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, sig, &value);
+
+ dbus_message_iter_append_basic(&value, type, val);
+
+ dbus_message_iter_close_container(iter, &value);
+}
+
+static void dict_append_entry(DBusMessageIter *dict, const char *key, int type,
+ void *val)
+{
+ DBusMessageIter entry;
+
+ if (type == DBUS_TYPE_STRING) {
+ const char *str = *((const char **) val);
+ if (str == NULL)
+ return;
+ }
+
+ dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
+ NULL, &entry);
+
+ dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
+
+ append_variant(&entry, type, val);
+
+ dbus_message_iter_close_container(dict, &entry);
+}
+
+static dbus_bool_t emit_property_changed(DBusConnection *conn,
+ const char *path,
+ const char *interface,
+ const char *name,
+ int type, void *value)
+{
+ DBusMessage *signal;
+ DBusMessageIter iter;
+
+ signal = dbus_message_new_signal(path, interface, "PropertyChanged");
+
+ if (!signal) {
+ fprintf(stderr, "Unable to allocate new %s.PropertyChanged"
+ " signal", interface);
+ return FALSE;
+ }
+
+ dbus_message_iter_init_append(signal, &iter);
+
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &name);
+
+ append_variant(&iter, type, value);
+
+ return dbus_connection_send(conn, signal, NULL);
+}
+
+static int parse_property(DBusConnection *conn, const char *path,
+ const char *key,
+ DBusMessageIter *entry,
+ DBusMessageIter *properties)
+{
+ DBusMessageIter var;
+
+ printf("property %s found\n", key);
+
+ if (dbus_message_iter_get_arg_type(entry) != DBUS_TYPE_VARIANT)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(entry, &var);
+
+ if (strcasecmp(key, "PlaybackStatus") == 0) {
+ const char *value;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &value);
+
+ if (properties)
+ dict_append_entry(properties, "Status",
+ DBUS_TYPE_STRING, &value);
+ else
+ emit_property_changed(sys, path,
+ "org.bluez.MediaPlayer", "Status",
+ DBUS_TYPE_STRING, &value);
+ } else if (strcasecmp(key, "Position") == 0) {
+ int64_t usec, msec;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_INT64)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &usec);
+ msec = usec / 1000;
+
+ if (properties)
+ dict_append_entry(properties, "Position",
+ DBUS_TYPE_UINT32, &msec);
+ else
+ emit_property_changed(sys, path,
+ "org.bluez.MediaPlayer", "Position",
+ DBUS_TYPE_UINT32, &msec);
+ } else if (strcasecmp(key, "Shuffle") == 0) {
+ dbus_bool_t value;
+ const char *str;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_BOOLEAN)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &value);
+
+ str = value ? "on" : "off";
+ if (properties)
+ dict_append_entry(properties, "Shuffle",
+ DBUS_TYPE_STRING, &str);
+ else
+ emit_property_changed(sys, path,
+ "org.bluez.MediaPlayer", "Shuffle",
+ DBUS_TYPE_UINT32, &str);
+ }
+
+ return 0;
+}
+
+static int parse_properties(DBusConnection *conn, const char *path,
+ DBusMessageIter *args,
+ DBusMessageIter *properties)
+{
+ DBusMessageIter dict;
+ int ctype;
+
+ ctype = dbus_message_iter_get_arg_type(args);
+ if (ctype != DBUS_TYPE_ARRAY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(args, &dict);
+
+ while ((ctype = dbus_message_iter_get_arg_type(&dict)) !=
+ DBUS_TYPE_INVALID) {
+ DBusMessageIter entry;
+ const char *key;
+
+ if (ctype != DBUS_TYPE_DICT_ENTRY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&dict, &entry);
+ if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&entry, &key);
+ dbus_message_iter_next(&entry);
+
+ if (parse_property(conn, path, key, &entry, properties) < 0)
+ return -EINVAL;
+
+ dbus_message_iter_next(&dict);
+ }
+
+ return 0;
+}
+
+static int parse_metadata_entry(DBusMessageIter *entry, const char *key,
+ DBusMessageIter *metadata)
+{
+ DBusMessageIter var;
+
+ printf("metadata %s found\n", key);
+
+ if (dbus_message_iter_get_arg_type(entry) != DBUS_TYPE_VARIANT)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(entry, &var);
+
+ if (strcasecmp(key, "xesam:title") == 0) {
+ const char *value;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &value);
+ dict_append_entry(metadata, "Title", DBUS_TYPE_STRING,
+ &value);
+ } else if (strcasecmp(key, "xesam:artist") == 0) {
+ const char *value;
+ DBusMessageIter array;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_ARRAY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&var, &array);
+
+ if (dbus_message_iter_get_arg_type(&array) !=
+ DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&array, &value);
+ dict_append_entry(metadata, "Artist", DBUS_TYPE_STRING,
+ &value);
+ } else if (strcasecmp(key, "xesam:album") == 0) {
+ const char *value;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &value);
+ dict_append_entry(metadata, "Album", DBUS_TYPE_STRING,
+ &value);
+ } else if (strcasecmp(key, "xesam:genre") == 0) {
+ const char *value;
+ DBusMessageIter array;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_ARRAY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&var, &array);
+
+ if (dbus_message_iter_get_arg_type(&array) !=
+ DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&array, &value);
+ dict_append_entry(metadata, "Genre", DBUS_TYPE_STRING,
+ &value);
+ } else if (strcasecmp(key, "mpris:length") == 0) {
+ int64_t usec, msec;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_INT64)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &usec);
+ msec = usec / 1000;
+
+ dict_append_entry(metadata, "Duration", DBUS_TYPE_UINT32,
+ &msec);
+ } else if (strcasecmp(key, "xesam:trackNumber") == 0) {
+ int32_t value;
+
+ if (dbus_message_iter_get_arg_type(&var) !=
+ DBUS_TYPE_INT32)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&var, &value);
+
+ dict_append_entry(metadata, "Number", DBUS_TYPE_UINT32,
+ &value);
+ }
+
+ return 0;
+}
+
+static int parse_track(DBusMessageIter *args, DBusMessageIter *metadata)
+{
+ DBusMessageIter var, dict;
+ int ctype;
+
+ ctype = dbus_message_iter_get_arg_type(args);
+ if (ctype != DBUS_TYPE_VARIANT)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(args, &var);
+
+ ctype = dbus_message_iter_get_arg_type(&var);
+ if (ctype != DBUS_TYPE_ARRAY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&var, &dict);
+
+ while ((ctype = dbus_message_iter_get_arg_type(&dict)) !=
+ DBUS_TYPE_INVALID) {
+ DBusMessageIter entry;
+ const char *key;
+
+ if (ctype != DBUS_TYPE_DICT_ENTRY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&dict, &entry);
+ if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&entry, &key);
+ dbus_message_iter_next(&entry);
+
+ if (parse_metadata_entry(&entry, key, metadata) < 0)
+ return -EINVAL;
+
+ dbus_message_iter_next(&dict);
+ }
+
+ return 0;
+}
+
+static int parse_metadata(DBusMessageIter *args, DBusMessageIter *metadata)
+{
+ DBusMessageIter dict;
+ int ctype;
+
+ ctype = dbus_message_iter_get_arg_type(args);
+ if (ctype != DBUS_TYPE_ARRAY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(args, &dict);
+
+ while ((ctype = dbus_message_iter_get_arg_type(&dict)) !=
+ DBUS_TYPE_INVALID) {
+ DBusMessageIter entry;
+ const char *key;
+
+ if (ctype != DBUS_TYPE_DICT_ENTRY)
+ return -EINVAL;
+
+ dbus_message_iter_recurse(&dict, &entry);
+ if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+ return -EINVAL;
+
+ dbus_message_iter_get_basic(&entry, &key);
+ dbus_message_iter_next(&entry);
+
+ if (strcasecmp(key, "Metadata") == 0)
+ return parse_track(&entry, metadata);
+
+ dbus_message_iter_next(&dict);
+ }
+
+ return -EINVAL;
+}
+
+static char *sender2path(const char *sender)
+{
+ char *path;
+
+ path = g_strconcat("/", sender, NULL);
+ return g_strdelimit(path, ":.", '_');
+}
+
+static void add_player(DBusConnection *conn, const char *name,
+ const char *sender)
+{
+ DBusMessage *reply = get_all(conn, name);
+ DBusMessage *msg;
+ DBusMessageIter iter, args, properties, metadata;
+ DBusError err;
+ char *path;
+
+ if (!reply)
+ return;
+
+ msg = dbus_message_new_method_call("org.bluez", adapter,
+ "org.bluez.Media",
+ "RegisterPlayer");
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return;
+ }
+
+ dbus_message_iter_init_append(msg, &iter);
+
+ path = sender2path(sender);
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
+
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &properties);
+
+ dbus_message_iter_init(reply, &args);
+
+ if (parse_properties(conn, path, &args, &properties) < 0)
+ goto done;
+
+ dbus_message_iter_close_container(&iter, &properties);
+
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &metadata);
+
+ dbus_message_iter_init(reply, &args);
+
+ if (parse_metadata(&args, &metadata) < 0)
+ goto done;
+
+ dbus_message_iter_close_container(&iter, &metadata);
+
+ dbus_message_unref(reply);
+
+ dbus_error_init(&err);
+
+ reply = dbus_connection_send_with_reply_and_block(sys, msg, -1, &err);
+ if (!reply) {
+ fprintf(stderr, "Can't register player\n");
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ goto done;
+ }
+
+done:
+ if (reply)
+ dbus_message_unref(reply);
+ dbus_message_unref(msg);
+ g_free(path);
+}
+
+static void remove_player(DBusConnection *conn, const char *sender)
+{
+ DBusMessage *msg;
+ char *path;
+
+ msg = dbus_message_new_method_call("org.bluez", adapter,
+ "org.bluez.Media",
+ "UnregisterPlayer");
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return;
+ }
+
+ path = sender2path(sender);
+ dbus_message_append_args(msg, DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID);
+
+ dbus_connection_send(sys, msg, NULL);
+
+ dbus_message_unref(msg);
+ g_free(path);
+}
+
+static DBusHandlerResult properties_changed(DBusConnection *conn,
+ DBusMessage *msg)
+{
+ DBusMessage *signal;
+ DBusMessageIter iter, entry, metadata;
+ const char *iface;
+ char *path;
+
+ dbus_message_iter_init(msg, &iter);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ dbus_message_iter_get_basic(&iter, &iface);
+
+ printf("PropertiesChanged interface %s\n", iface);
+
+ dbus_message_iter_next(&iter);
+
+ path = sender2path(dbus_message_get_sender(msg));
+ parse_properties(conn, path, &iter, NULL);
+
+ signal = dbus_message_new_signal(path, "org.bluez.MediaPlayer",
+ "TrackChanged");
+ if (!signal) {
+ fprintf(stderr, "Unable to allocate new PropertyChanged"
+ " signal\n");
+ goto done;
+ }
+
+ dbus_message_iter_init_append(signal, &entry);
+
+ dbus_message_iter_open_container(&entry, DBUS_TYPE_ARRAY,
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &metadata);
+
+ dbus_message_iter_init(msg, &iter);
+ dbus_message_iter_next(&iter);
+
+ if (parse_metadata(&iter, &metadata) < 0)
+ goto done;
+
+ dbus_message_iter_close_container(&entry, &metadata);
+
+ dbus_connection_send(sys, signal, NULL);
+
+done:
+ g_free(path);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static DBusHandlerResult session_filter(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ const char *name, *old, *new;
+
+ if (dbus_message_is_signal(msg, DBUS_INTERFACE_PROPERTIES,
+ "PropertiesChanged"))
+ return properties_changed(conn, msg);
+
+ if (!dbus_message_is_signal(msg, DBUS_INTERFACE_DBUS,
+ "NameOwnerChanged"))
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ if (!dbus_message_get_args(msg, NULL,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &old,
+ DBUS_TYPE_STRING, &new,
+ DBUS_TYPE_INVALID)) {
+ fprintf(stderr, "Invalid arguments for NameOwnerChanged signal");
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ if (!g_str_has_prefix(name, "org.mpris"))
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ if (*new == '\0') {
+ printf("player %s at %s disappear\n", name, old);
+ remove_player(conn, old);
+ } else {
+ printf("player %s at %s found\n", name, new);
+ add_player(conn, name, new);
+ }
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static DBusHandlerResult system_filter(DBusConnection *conn,
+ DBusMessage *msg, void *data)
+{
+ const char *name, *old, *new;
+
+ if (!dbus_message_is_signal(msg, DBUS_INTERFACE_DBUS,
+ "NameOwnerChanged"))
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ if (!dbus_message_get_args(msg, NULL,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &old,
+ DBUS_TYPE_STRING, &new,
+ DBUS_TYPE_INVALID)) {
+ fprintf(stderr, "Invalid arguments for NameOwnerChanged signal");
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ if (!strcmp(name, "org.bluez") && *new == '\0') {
+ fprintf(stderr, "bluetoothd disconnected\n");
+ __io_terminated = 1;
+ }
+
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+static char *get_default_adapter(DBusConnection *conn)
+{
+ DBusMessage *msg, *reply;
+ DBusError err;
+ const char *reply_path;
+ char *path;
+
+ msg = dbus_message_new_method_call("org.bluez", "/",
+ "org.bluez.Manager", "DefaultAdapter");
+
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return NULL;
+ }
+
+ dbus_error_init(&err);
+
+ reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
+
+ dbus_message_unref(msg);
+
+ if (!reply) {
+ fprintf(stderr, "Can't get default adapter\n");
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return NULL;
+ }
+
+ if (!dbus_message_get_args(reply, &err,
+ DBUS_TYPE_OBJECT_PATH, &reply_path,
+ DBUS_TYPE_INVALID)) {
+ fprintf(stderr, "Can't get reply arguments\n");
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return NULL;
+ }
+
+ path = strdup(reply_path);
+
+ dbus_message_unref(reply);
+
+ dbus_connection_flush(conn);
+
+ return path;
+}
+
+static char *get_adapter(DBusConnection *conn, const char *adapter)
+{
+ DBusMessage *msg, *reply;
+ DBusError err;
+ const char *reply_path;
+ char *path;
+
+ if (!adapter)
+ return get_default_adapter(conn);
+
+ msg = dbus_message_new_method_call("org.bluez", "/",
+ "org.bluez.Manager", "FindAdapter");
+
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return NULL;
+ }
+
+ dbus_message_append_args(msg, DBUS_TYPE_STRING, &adapter,
+ DBUS_TYPE_INVALID);
+
+ dbus_error_init(&err);
+
+ reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
+
+ dbus_message_unref(msg);
+
+ if (!reply) {
+ fprintf(stderr, "Can't find adapter %s\n", adapter);
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return NULL;
+ }
+
+ if (!dbus_message_get_args(reply, &err,
+ DBUS_TYPE_OBJECT_PATH, &reply_path,
+ DBUS_TYPE_INVALID)) {
+ fprintf(stderr, "Can't get reply arguments\n");
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return NULL;
+ }
+
+ path = strdup(reply_path);
+
+ dbus_message_unref(reply);
+
+ dbus_connection_flush(conn);
+
+ return path;
+}
+
+static char *get_name_owner(DBusConnection *conn, const char *name)
+{
+ DBusMessage *msg, *reply;
+ DBusError err;
+ char *owner;
+
+ msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS, "GetNameOwner");
+
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return NULL;
+ }
+
+ dbus_message_append_args(msg, DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID);
+
+ dbus_error_init(&err);
+
+ reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
+
+ dbus_message_unref(msg);
+
+ if (!reply) {
+ fprintf(stderr, "Can't find adapter %s\n", adapter);
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return NULL;
+ }
+
+ if (!dbus_message_get_args(reply, NULL,
+ DBUS_TYPE_STRING, &owner,
+ DBUS_TYPE_INVALID))
+ return NULL;
+
+ owner = g_strdup(owner);
+
+ dbus_message_unref(reply);
+
+ dbus_connection_flush(conn);
+
+ return owner;
+}
+
+static void parse_list_names(DBusConnection *conn, DBusMessageIter *args)
+{
+ DBusMessageIter array;
+ int ctype;
+
+ ctype = dbus_message_iter_get_arg_type(args);
+ if (ctype != DBUS_TYPE_ARRAY)
+ return;
+
+ dbus_message_iter_recurse(args, &array);
+
+ while ((ctype = dbus_message_iter_get_arg_type(&array)) !=
+ DBUS_TYPE_INVALID) {
+ const char *name;
+ char *owner;
+
+ if (ctype != DBUS_TYPE_STRING)
+ goto next;
+
+ dbus_message_iter_get_basic(&array, &name);
+
+ if (!g_str_has_prefix(name, "org.mpris"))
+ goto next;
+
+ owner = get_name_owner(conn, name);
+
+ if (owner == NULL)
+ goto next;
+
+ add_player(conn, name, owner);
+
+ g_free(owner);
+next:
+ dbus_message_iter_next(&array);
+ }
+}
+
+static void list_names(DBusConnection *conn)
+{
+ DBusMessage *msg, *reply;
+ DBusMessageIter iter;
+ DBusError err;
+
+ msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS, "ListNames");
+
+ if (!msg) {
+ fprintf(stderr, "Can't allocate new method call\n");
+ return;
+ }
+
+ dbus_error_init(&err);
+
+ reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
+
+ dbus_message_unref(msg);
+
+ if (!reply) {
+ fprintf(stderr, "Can't find adapter %s\n", adapter);
+ if (dbus_error_is_set(&err)) {
+ fprintf(stderr, "%s\n", err.message);
+ dbus_error_free(&err);
+ }
+ return;
+ }
+
+ dbus_message_iter_init(reply, &iter);
+
+ parse_list_names(conn, &iter);
+
+ dbus_message_unref(reply);
+
+ dbus_connection_flush(conn);
+}
+
+static void usage(void)
+{
+ printf("Bluetooth player ver %s\n\n", VERSION);
+
+ printf("Usage:\n"
+ "\tplayer [--adapter adapter id]\n"
+ "\n");
+}
+
+static struct option main_options[] = {
+ { "adapter", 1, 0, 'a' },
+ { 0, 0, 0, 0 }
+};
+
+int main(int argc, char *argv[])
+{
+ struct sigaction sa;
+ char *adapter_id = NULL;
+ char match[128];
+ int opt;
+
+ while ((opt = getopt_long(argc, argv, "+a,h", main_options, NULL)) != EOF) {
+ switch(opt) {
+ case '1':
+ adapter_id = optarg;
+ break;
+ case 'h':
+ usage();
+ exit(0);
+ default:
+ exit(1);
+ }
+ }
+
+ sys = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
+ if (!sys) {
+ fprintf(stderr, "Can't get on system bus");
+ exit(1);
+ }
+
+ adapter = get_adapter(sys, adapter_id);
+ if (!adapter)
+ exit(1);
+
+ if (!dbus_connection_add_filter(sys, system_filter, NULL, NULL)) {
+ fprintf(stderr, "Can't add signal filter");
+ exit(1);
+ }
+
+ snprintf(match, sizeof(match),
+ "interface=%s,member=NameOwnerChanged,arg0=%s",
+ DBUS_INTERFACE_DBUS, "org.bluez");
+
+ dbus_bus_add_match(sys, match, NULL);
+
+ session = dbus_bus_get(DBUS_BUS_SESSION, NULL);
+ if (!session) {
+ fprintf(stderr, "Can't get on session bus");
+ exit(1);
+ }
+
+ if (!dbus_connection_add_filter(session, session_filter, NULL, NULL)) {
+ fprintf(stderr, "Can't add signal filter");
+ exit(1);
+ }
+
+ snprintf(match, sizeof(match),
+ "interface=%s,member=NameOwnerChanged",
+ DBUS_INTERFACE_DBUS);
+
+ dbus_bus_add_match(session, match, NULL);
+
+ snprintf(match, sizeof(match),
+ "interface=%s,member=PropertiesChanged,arg0=%s",
+ DBUS_INTERFACE_PROPERTIES,
+ "org.mpris.MediaPlayer2.Player");
+
+ list_names(session);
+
+ dbus_bus_add_match(session, match, NULL);
+
+ memset(&sa, 0, sizeof(sa));
+ sa.sa_flags = SA_NOCLDSTOP;
+ sa.sa_handler = sig_term;
+ sigaction(SIGTERM, &sa, NULL);
+ sigaction(SIGINT, &sa, NULL);
+
+ while (!__io_canceled && !__io_terminated) {
+ if (dbus_connection_read_write_dispatch(sys, 500) != TRUE)
+ break;
+ if (dbus_connection_read_write_dispatch(session, 500) != TRUE)
+ break;
+ }
+
+ dbus_connection_unref(sys);
+
+ return 0;
+}
OSDN Git Service
