rfnoc: Use RTTI "serialization" for stream commands

A small modification to rfnoc::action_info makes it polymorphic, and
instead of serializing data structures into a string, this allows
creating custom action objects and identifying them via RTTI. The stream
command action object is a good example for how to use this, so all the
usages of stream command action objects were converted to this scheme.

1 files changed, 2 insertions, 4 deletions

diff --git a/host/tests/actions_test.cpp b/host/tests/actions_test.cpp
index c0344eacf..b5feb2521 100644
--- a/host/tests/actions_test.cpp
+++ b/host/tests/actions_test.cpp
@@ -25,10 +25,8 @@ BOOST_AUTO_TEST_CASE(test_actions_single_node)
     // Define some mock nodes:
     mock_radio_node_t mock_radio(0);
 
-    auto stream_cmd         = action_info::make(STREAM_CMD_KEY);
-    std::string cmd_payload = "START";
-    stream_cmd->payload = std::vector<uint8_t>(cmd_payload.begin(), cmd_payload.end());
-
+    auto stream_cmd =
+        stream_cmd_action_info::make(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
     auto other_cmd = action_info::make("FOO");
 
     node_accessor.send_action(&mock_radio, {res_source_info::INPUT_EDGE, 0}, stream_cmd);