Register RMW output filters.

Signed-off-by: Michel Hidalgo <michel@ekumenlabs.com>

rmw_cyclonedds_cpp/CMakeLists.txt

@@ -113,3 +113,7 @@ install(
   LIBRARY DESTINATION lib
   RUNTIME DESTINATION bin
 )
+
+include(cmake/get_rmw_cyclonedds_output_filter.cmake)
+get_rmw_cyclonedds_output_filter(rmw_cyclonedds_output_patterns)
+ament_index_register_resource("rmw_output_patterns" CONTENT "${rmw_cyclonedds_output_patterns}")

rmw_cyclonedds_cpp/cmake/get_rmw_cyclonedds_output_filter.cmake

@@ -0,0 +1,31 @@
+# Copyright 2020 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Get patterns for output filtering for CycloneDDS RMW.
+#
+# :param output_patterns: patterns that will be used to identify console
+#   output generated by CycloneDDS.
+# :type output_filter: string
+#
+# @public
+#
+macro(get_rmw_cyclonedds_output_filter output_patterns)
+  if(NOT "${ARGN}" STREQUAL "")
+    message(FATAL_ERROR "get_rmw_cyclonedds_output_filter() called with "
+      "unused arguments: ${ARGN}")
+  endif()
+
+  set(${output_patterns} ".*using network interface \\w+ \\(.*\\) selected arbitrarily from:.*")
+endmacro()