DPL: add DDS plugin loading to DDS configuration

Author: ktf

Framework/Core/src/DDSConfigHelpers.cxx

@@ -45,6 +45,7 @@ dumpDeviceSpec2DDS(std::ostream &out,
       }
       out << arg << " ";
     }
+    out << "--plugin-search-path $FAIRMQ_ROOT/lib --plugin dds";
     out << "</exe>\n";
     out << "   </decltask>\n";
   }

Framework/Core/test/test_FrameworkDataFlowToDDS.cxx

@@ -86,16 +86,16 @@ BOOST_AUTO_TEST_CASE(TestGraphviz)
   dumpDeviceSpec2DDS(ss, devices, executions);
   BOOST_CHECK_EQUAL(ss.str(), R"EXPECTED(<topology id="o2-dataflow">
    <decltask id="A">
-       <exe reachable="true">foo --id A --control static --log-color false --color false --jobs 4 </exe>
+       <exe reachable="true">foo --id A --control static --log-color false --color false --jobs 4 --plugin-search-path $FAIRMQ_ROOT/lib --plugin dds</exe>
    </decltask>
    <decltask id="B">
-       <exe reachable="true">foo --id B --control static --log-color false --color false --jobs 4 </exe>
+       <exe reachable="true">foo --id B --control static --log-color false --color false --jobs 4 --plugin-search-path $FAIRMQ_ROOT/lib --plugin dds</exe>
    </decltask>
    <decltask id="C">
-       <exe reachable="true">foo --id C --control static --log-color false --color false --jobs 4 </exe>
+       <exe reachable="true">foo --id C --control static --log-color false --color false --jobs 4 --plugin-search-path $FAIRMQ_ROOT/lib --plugin dds</exe>
    </decltask>
    <decltask id="D">
-       <exe reachable="true">foo --id D --control static --log-color false --color false --jobs 4 </exe>
+       <exe reachable="true">foo --id D --control static --log-color false --color false --jobs 4 --plugin-search-path $FAIRMQ_ROOT/lib --plugin dds</exe>
    </decltask>
 </topology>
 )EXPECTED");