asio: Fix read into tuple response
Some DBus methods return multiple elements, e.g.
`org.freedesktop.resolve1` has a method `ResolveHostname` that returns
the result type `a(iiay)st`, which could not be "read()" directly as a
tuple.
The code was using a tuple to represent the multiple elements, and use
`r.read(responseData)` that would result in "Invalid Argument" error.
Fix it by `message::unpack` API to correctly read the response and
unpack the multiple elements into the tuple.
Change-Id: I83eb83abf0b079ebf94c1a51a40640533ab04a9f
Signed-off-by: Lei YU <yulei.sh@bytedance.com>
diff --git a/include/sdbusplus/asio/connection.hpp b/include/sdbusplus/asio/connection.hpp
index b2619f9..c8f3bf0 100644
--- a/include/sdbusplus/asio/connection.hpp
+++ b/include/sdbusplus/asio/connection.hpp
@@ -291,7 +291,7 @@
}
try
{
- r.read(responseData);
+ responseData = r.unpack<RetTypes...>();
}
catch (const std::exception&)
{