[GitHub] lovelle opened a new pull request #3403: [Issue #3226][cpp client] Prevent dup consumers on same client cnx

[GitBox <gi...@apache.org>]

lovelle opened a new pull request #3403: [Issue #3226][cpp client] Prevent dup consumers on same client cnx
URL: https://github.com/apache/pulsar/pull/3403
 
 
   Prevent same consumer subscription over the same client connection for cpp
   client. For more details please see explanation on commit 44e1a23.
   
   ### Motivation
   
   Fix #3226 for cpp client.
   
   ### Modifications
   
   Add check for `ClientImpl.cc` to know whether new shared consumer subscribe is already present
   on consumers vector or not.
   
   For further explanation please see #3312 
   
   ### Verifying this change
   
   This change added tests and can be verified as follows:
   
     - Add unit test asserting if duplicated consumers are allowed for shared
       subscription.
     - Add test preventing broker metadata error by closing a duplicate consumer
       over the same connection.
   
   ### Does this pull request potentially affect one of the following parts:
   
   *If `yes` was chosen, please highlight the changes*
   
     - Dependencies (does it add or upgrade a dependency): (yes / **no**)
     - The public API: (yes / **no**).
     - The schema: (yes / **no** / don't know)
     - The default values of configurations: (yes / **no**)
     - The wire protocol: (yes / **no**)
     - The rest endpoints: (yes / **no**)
     - The admin cli options: (yes / **no**)
     - Anything that affects deployment: (yes / **no** / don't know)
   
   ### Documentation
   
     - Does this pull request introduce a new feature? (yes / **no**)
     - If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
     - If a feature is not applicable for documentation, explain why?
     - If a feature is not documented yet in this PR, please create a followup issue for adding the documentation
   

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