[PATCH BlueZ v1 3/3] client: Add transport.metadata command

[Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>]

From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

This adds transport.metadata command which can be used to update the
MediaTransport.Metadata property:

> transport.metadata <transport> "0x03 0x02 0x02 0x00"
[CHG] Transport <transport> Metadata:
  03 02 02 00
> transport.show <transport>
...
	Metadata.#0: len 0x03 type 0x02
	Metadata.Context: 0x0002
	Metadata.Context	Conversational (0x0002)
---
 client/player.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/client/player.c b/client/player.c
index e4c2d451acca..b8d7b68753b6 100644
--- a/client/player.c
+++ b/client/player.c
@@ -5855,6 +5855,51 @@ static void cmd_volume_transport(int argc, char *argv[])
 	}
 }
 
+static void set_metadata_cb(const DBusError *error, void *user_data)
+{
+	if (dbus_error_is_set(error)) {
+		bt_shell_printf("Failed to set Metadata: %s\n", error->name);
+		return bt_shell_noninteractive_quit(EXIT_FAILURE);
+	}
+
+	bt_shell_printf("Changing Metadata succeeded\n");
+
+	return bt_shell_noninteractive_quit(EXIT_SUCCESS);
+}
+
+static void cmd_metadata_transport(int argc, char *argv[])
+{
+	GDBusProxy *proxy;
+	struct iovec iov;
+
+	proxy = g_dbus_proxy_lookup(transports, NULL, argv[1],
+					BLUEZ_MEDIA_TRANSPORT_INTERFACE);
+	if (!proxy) {
+		bt_shell_printf("Transport %s not found\n", argv[1]);
+		return bt_shell_noninteractive_quit(EXIT_FAILURE);
+	}
+
+
+	if (argc == 2) {
+		print_property(proxy, "Metadata");
+		return bt_shell_noninteractive_quit(EXIT_FAILURE);
+	}
+
+	iov.iov_base = str2bytearray((char *) argv[2], &iov.iov_len);
+	if (!iov.iov_base) {
+		bt_shell_printf("Invalid argument: %s\n", argv[2]);
+		return bt_shell_noninteractive_quit(EXIT_FAILURE);
+	}
+
+	if (!g_dbus_proxy_set_property_array(proxy, "Metadata", DBUS_TYPE_BYTE,
+						iov.iov_base, iov.iov_len,
+						set_metadata_cb,
+						NULL, NULL)) {
+		bt_shell_printf("Failed release transport\n");
+		return bt_shell_noninteractive_quit(EXIT_FAILURE);
+	}
+}
+
 static const struct bt_shell_menu transport_menu = {
 	.name = "transport",
 	.desc = "Media Transport Submenu",
@@ -5887,6 +5932,9 @@ static const struct bt_shell_menu transport_menu = {
 	{ "unselect",    "<transport> [transport1...]", cmd_unselect_transport,
 						"Unselect Transport",
 						transport_generator },
+	{ "metadata",    "<transport> [value...]", cmd_metadata_transport,
+						"Get/Set Transport Metadata",
+						transport_generator },
 	{} },
 };
 
-- 
2.50.1