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				https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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	Improve dbus communication
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					 1 changed files with 88 additions and 12 deletions
				
			
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			@ -209,26 +209,57 @@ static DBusMessageIter call_dbus_method(pa_dbus_connection *conn, const char *de
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}
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static void detect_adapters(adapter_t *adapter_list, pa_dbus_connection *conn) {
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static void detect_adapters(struct userdata *u) {
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    DBusError e;
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    DBusMessage *m = NULL, *r = NULL;
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    DBusMessageIter arg_i, element_i, dict_i, variant_i;
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    adapter_t *adapter_list_i;
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    const char *key, *value;
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    pa_assert(u);
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    dbus_error_init(&e);
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    /* get adapters */
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    arg_i = call_dbus_method(conn, "org.bluez", "/", "org.bluez.Manager", "ListAdapters");
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    pa_assert_se(m = dbus_message_new_method_call("org.bluez", "/", "org.bluez.Manager", "ListAdapters"));
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    r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
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    if (!r) {
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        pa_log("org.bluez.Manager.ListAdapters failed: %s", e.message);
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        goto fail;
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    }
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    if (!dbus_message_iter_init(r, &arg_i)) {
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        pa_log("org.bluez.Manager.ListAdapters reply has no arguments");
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        goto fail;
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    }
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    if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
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        pa_log("org.bluez.Manager.ListAdapters argument is not an array");
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        goto fail;
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    }
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    dbus_message_iter_recurse(&arg_i, &element_i);
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    while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
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        if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_OBJECT_PATH) {
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            dbus_message_iter_get_basic(&element_i, &value);
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            adapter_list_append(adapter_list, value);
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            adapter_list_append(u->adapter_list, value);
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        }
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        dbus_message_iter_next(&element_i);
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    }
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    /* get adapter properties */
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    adapter_list_i = adapter_list->next;
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    adapter_list_i = u->adapter_list->next;
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    while (adapter_list_i != NULL) {
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        arg_i = call_dbus_method(conn, "org.bluez", adapter_list_i->object_path, "org.bluez.Adapter", "GetProperties");
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        pa_assert_se(m = dbus_message_new_method_call("org.bluez", adapter_list_i->object_path, "org.bluez.Adapter", "GetProperties"));
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        r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
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        if (!r) {
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            pa_log("org.bluez.Adapter.GetProperties failed: %s", e.message);
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            goto fail;
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        }
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        if (!dbus_message_iter_init(r, &arg_i)) {
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            pa_log("org.bluez.Adapter.GetProperties reply has no arguments");
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            goto fail;
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        }
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        if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
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            pa_log("org.bluez.Adapter.GetProperties argument is not an array");
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            goto fail;
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        }
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        dbus_message_iter_recurse(&arg_i, &element_i);
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        while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
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            if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
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			@ -248,19 +279,44 @@ static void detect_adapters(adapter_t *adapter_list, pa_dbus_connection *conn) {
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        }
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        adapter_list_i = adapter_list_i->next;
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    }
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fail:
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    if (m)
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        dbus_message_unref(m);
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    if (r)
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        dbus_message_unref(r);
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    dbus_error_free(&e);
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}
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static void detect_devices(adapter_t *adapter_list, pa_dbus_connection *conn) {
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static void detect_devices(struct userdata *u) {
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    DBusError e;
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    DBusMessage *m = NULL, *r = NULL;
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    DBusMessageIter arg_i, element_i, dict_i, variant_i;
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    adapter_t *adapter_list_i;
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    device_t *device_list_i, *device_list_prev_i;
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    const char *key, *value;
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    unsigned int uvalue;
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    pa_assert(u);
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    dbus_error_init(&e);
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    /* get devices of each adapter */
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    adapter_list_i = adapter_list->next;
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    adapter_list_i = u->adapter_list->next;
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    while (adapter_list_i != NULL) {
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        arg_i = call_dbus_method(conn, "org.bluez", adapter_list_i->object_path , "org.bluez.Adapter", "ListDevices");
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        pa_assert_se(m = dbus_message_new_method_call("org.bluez", adapter_list_i->object_path, "org.bluez.Adapter", "ListDevices"));
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        r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
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        if (!r) {
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            pa_log("org.bluez.Adapter.ListDevices failed: %s", e.message);
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            goto fail;
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        }
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        if (!dbus_message_iter_init(r, &arg_i)) {
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            pa_log("org.bluez.Adapter.ListDevices reply has no arguments");
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            goto fail;
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        }
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        if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
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            pa_log("org.bluez.Adapter.ListDevices argument is not an array");
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            goto fail;
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        }
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        dbus_message_iter_recurse(&arg_i, &element_i);
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        while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
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            if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_OBJECT_PATH) {
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			@ -273,12 +329,25 @@ static void detect_devices(adapter_t *adapter_list, pa_dbus_connection *conn) {
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    }
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    /* get device properties */
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    adapter_list_i = adapter_list->next;
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    adapter_list_i = u->adapter_list->next;
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    while (adapter_list_i != NULL) {
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        device_list_prev_i = adapter_list_i->device_list;
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        device_list_i = adapter_list_i->device_list->next;
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        while (device_list_i != NULL) {
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            arg_i = call_dbus_method(conn, "org.bluez", device_list_i->object_path, "org.bluez.Device", "GetProperties");
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            pa_assert_se(m = dbus_message_new_method_call("org.bluez", device_list_i->object_path, "org.bluez.Device", "GetProperties"));
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            r = dbus_connection_send_with_reply_and_block(pa_dbus_connection_get(u->conn), m, -1, &e);
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            if (!r) {
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                pa_log("org.bluez.Device.GetProperties failed: %s", e.message);
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                goto fail;
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            }
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            if (!dbus_message_iter_init(r, &arg_i)) {
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                pa_log("org.bluez.Device.GetProperties reply has no arguments");
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                goto fail;
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            }
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            if (dbus_message_iter_get_arg_type(&arg_i) != DBUS_TYPE_ARRAY) {
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                pa_log("org.bluez.Device.GetProperties argument is not an array");
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                goto fail;
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            }
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            dbus_message_iter_recurse(&arg_i, &element_i);
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            while (dbus_message_iter_get_arg_type(&element_i) != DBUS_TYPE_INVALID) {
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                if (dbus_message_iter_get_arg_type(&element_i) == DBUS_TYPE_DICT_ENTRY) {
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			@ -344,6 +413,13 @@ static void detect_devices(adapter_t *adapter_list, pa_dbus_connection *conn) {
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        }
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        adapter_list_i = adapter_list_i->next;
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    }
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fail:
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    if (m)
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        dbus_message_unref(m);
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    if (r)
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        dbus_message_unref(r);
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    dbus_error_free(&e);
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}
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static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *msg, void *userdata) {
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			@ -481,8 +557,8 @@ int pa__init(pa_module* m) {
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    /* static detection of bluetooth audio devices */
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    u->adapter_list = adapter_new("/ADAPTER_HEAD");
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    detect_adapters(u->adapter_list, u->conn);
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    detect_devices(u->adapter_list, u->conn);
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    detect_adapters(u);
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    detect_devices(u);
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    print_adapters(u->adapter_list);
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