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https://issues.apache.org/jira/browse/HDFS-10380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Clampffer updated HDFS-10380:
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Status: Patch Available (was: Open)
> libhdfs++: Get rid of socket template parameter in RpcConnection
> -----------------------------------------------------------------
>
> Key: HDFS-10380
> URL: https://issues.apache.org/jira/browse/HDFS-10380
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: James Clampffer
> Assignee: James Clampffer
> Attachments: HDFS-10380.HDFS-8707.000.patch
>
>
> RpcConnection is always templated on asio::ip::tcp::socket except for in
> rpc_engine_test.cc. My understanding is the original reason for using this
> as a template parameter was to be able to use trait injection in gmock tests.
> This is useful for testing but makes debugging a lot more tricky due to the
> extra stuff that shows up on the stack. Heavily templated code also tends to
> produce very unhelpful compile errors e.g. when a missing semicolon in a
> templated class turns into pages of errors coming out of stuff that depended
> on the instantiation.
> This sort of work was already accomplished elsewhere by HDFS-9144, it looks
> like RpcConnection was one of the few areas they were left in place.
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