Joseph Perez

add a small test framework to enforce port 0 use

2

Based on #1939 and #1966

fix handling of port 0 on multicast locator

3

When binding on port 0, the OS assigns the actual port. However, the multicast locator was stored without taking this potential port change.

remove `internal_config` feature

2

Resolves #1655 Based on #1938

prevent config update at runtime

1

They are not taken into account, except for plugins in adminspace.

pass callback argument by reference

4

based on #1828

cache pipeline selection

5

supersede #1880 and #1879

cache suffixes in resource tree

1

ROS2 experiments shows that a lot of keyexprs shares common chunks, which can be quite big, for example: - `0/pub_20/set_parameters/rcl_interfaces::srv::dds_::SetParameters_/RIHS01_56eed9a67e169f9cb6c1f987bc88f868c14a8fc9f743a263bc734c154015d7e0` - `@ros2_lv/0/5639ab36ef9be8852b663e09962a618d/0/4/SS/%/%/pub_20/%pub_20%set_parameters/rcl_interfaces::srv::dds_::SetParameters_/RIHS01_56eed9a67e169f9cb6c1f987bc88f868c14a8fc9f743a263bc734c154015d7e0/:2:,1000:,:,:,,` - etc. In order to reduce the memory...