MON-14511-poller-wait-at-most-5s-to-send-shutdown-event-before-shutdown

[jean-christophe81]

Description

When you have a poller on a server with one core and a cbd on another server, if you shutdown engine, cbd don't receive engine bye message
So I have added wait methods on grpc and tcp modules and an usleep on config::applier::endpoint::_discard to wait one loop of failover and feeders threads.
Fixes # (issue)

Type of change

• Patch fixing an issue (non-breaking change)
• New functionality (non-breaking change)
• Breaking change (patch or feature) that might cause side effects breaking part of the Software
• Updating documentation (missing information, typo...)

Target serie

• 21.04.x
• 21.10.x
• 22.04.x
• 22.10.x (master)

How this pull request can be tested ?

In order to test install a poller on a one core VM, insall a cbd on another VM. In the poller screen, you have to see the poller shutdown when you shurdown the distant poller.

Any relevant details of the configuration to perform the test should be added.

Checklist

• I have followed the coding style guidelines provided by Centreon
• I have commented my code, especially new classes, functions or any legacy code modified. (docblock)
• I have commented my code, especially hard-to-understand areas of the PR.
• I have made corresponding changes to the documentation.
• I have rebased my development branch on the base branch (master, maintenance).

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SonarQube Quality Gate

0 Bugs
0 Vulnerabilities
0 Security Hotspots
60 Code Smells

0.0% Coverage
0.0% Duplication