[chenshi5012]

What type of PR is this?

• bug
• feature
• enhancement

What problem(s) does this PR solve?

Issue(s) number: #150

Description:

When connectionIsBroken_ is set and reconnect retries are enabled, Session::executeWithParameter( ) attempts a preflight reconnect. If the reconnect succeeds, it executes the request and returns without clearing connectionIsBroken_.

As a result, subsequent requests repeatedly enter the reconnect path, causing unnecessary authentication and session ID changes even though the connection has already recovered.

How do you solve it?

Clear connectionIsBroken_ after a successful preflight reconnect and before executing the request. Subsequent requests can then reuse the recovered connection instead of reconnecting and authenticating again.

Special notes for your reviewer, ex. impact of this fix, design document, etc:

• Added the regression test SessionTest.PreflightReconnectClearsBrokenFlag.
• The test marks the connection as broken, verifies that a request reconnects successfully and clears the flag, then checks that a subsequent request succeeds without changing the session ID.
• The focused regression test passed. The full session_test suite also passed against the local Graphd using its default no-authorization configuration.

Fixes #150

[CLAassistant]

All committers have signed the CLA.

[chenshi5012]

@xiajingchun @yuhongwei380 Could you please help review this MR when you have time? Any feedback or suggestions are welcome.
#154 #155 #153 #152