[jira] [Updated] (MINIFICPP-2131) GetTCP's concurrent-handler-count not threadsafe

["Martin Zink (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MINIFICPP-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Zink updated MINIFICPP-2131:
-----------------------------------
    Status: Patch Available  (was: In Progress)

https://github.com/apache/nifi-minifi-cpp/pull/1592

> GetTCP's concurrent-handler-count not threadsafe
> ------------------------------------------------
>
>                 Key: MINIFICPP-2131
>                 URL: https://issues.apache.org/jira/browse/MINIFICPP-2131
>             Project: Apache NiFi MiNiFi C++
>          Issue Type: Bug
>            Reporter: Martin Zink
>            Assignee: Martin Zink
>            Priority: Major
>          Time Spent: 2h
>  Remaining Estimate: 0h
>
> GetTCP utilizes his own threadpool to handle the connections, but the handlers and the futures are not properly synced, they are reliant that the worker_threads from the threadpool access the socket_ring_buffer in the same order which they are instantiated which is not a guarantee. 
> With multiple endpoints (endpoint-list) and multiple concurrent handlers (concurrent-handler-count > 1) the endpoints and their respective futures could get mixed up, with unintended consequences like multiple handlers for one endpoint and none for the other or some read access violation.



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