Add ConnectMetrics for runtime

[zongtanghu]

FEATURE REQUEST

Please describe the feature you are requesting.
（1）Add ConnectMetrics for runtime for monitering message connecting process and some other metrics paramters.

Provide any additional detail on your proposed use case for this feature.
（1）Add ConnectMetrics for runtime for monitering message connecting process and some other metrics paramters.

Indicate the importance of this issue to you (blocker, must-have, should-have, nice-to-have). Are you currently using any workarounds to address this issue?
This feature issue can add some enhancement and common advanced feature for a common and independent runtime process.

If there are some sub-tasks using -[] for each subtask and create a corresponding issue to map to the sub task:

sub-task1-issue-number: sub-task1 description here,
sub-task2-issue-number: sub-task2 description here,
...