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From "James Clampffer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10380) libhdfs++: Get rid of socket template parameter in RpcConnection
Date Mon, 09 May 2016 17:12:13 GMT
James Clampffer created HDFS-10380:
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             Summary: 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
            Reporter: James Clampffer
            Assignee: James Clampffer


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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