[jira] [Commented] (DISPATCH-1831) TCP adaptor test topology needs a longer backbone of interior routers

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DISPATCH-1831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17230608#comment-17230608 ] 

ASF GitHub Bot commented on DISPATCH-1831:
------------------------------------------

ChugR opened a new pull request #910:
URL: https://github.com/apache/qpid-dispatch/pull/910


   This patch is a straightforward addition of a third backbone interior router to the TCP self test.
   On my system this patch reveals a curious side effect:
   
   - Without this patch 'test_03' fails with a timeout.
   - With this patch 'test_03' succeeds.
   
   test_03 uses a TCP listener on INTA and a TCP connector on INTB. The test fails in the A-B backbone and the test passes in the A-B-C backbone.
   
   In the success case: right after the client attaches to INTA TCP listener router INTA opens a link to INTB and sends a TCP INTB@mySite message to INTB. Then INTB opens the connection to the server. 
   
   In the fail case the router-data link never gets opened.
   
   Scraper creates a detailed narrative of the test. It combines logs from all the routers, six echo servers, and as many echo clients as the test cases run. View it in a web browser by running a script generated by the test.
   
   - cd build
   - ctest -VV -R tcp_adaptor
   - cd ./tests/system_test.dir/system_tests_tcp_adaptor/TcpAdaptor/setUpClass
   - bash -x TcpAdaptor-run-scraper.sh
   - firefox TcpAdaptor.html


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> TCP adaptor test topology needs a longer backbone of interior routers
> ---------------------------------------------------------------------
>
>                 Key: DISPATCH-1831
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-1831
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Protocol Adaptors, Tests
>            Reporter: Charles E. Rolke
>            Priority: Major
>             Fix For: 1.15.0
>
>
> The current topology:
> {code:java}
>     #  +-------+    +---------+    +---------+    +-------+
>     #  |  EA1  |<-->|  INTA   |<==>|  INTB   |<-->|  EB1  |
>     #  +-------+    |         |    |         |    +-------+
>     #  +-------+    |         |    |         |    +-------+
>     #  |  EA2  |<-->|         |    |         |<-->|  EB2  |
>     #  +-------+    +---------+    +---------+    +-------+
> {code}
> could be extended to 
>  
> {code:java}
>     #  +-------+    +---------+    +---------+    +---------+    +-------+
>     #  |  EA1  |<-->|  INTA   |<==>|  INTB   |<==>|  INTC   |<-->|  EC1  |
>     #  +-------+    |         |    |         |    |         |    +-------+
>     #  +-------+    |         |    |         |    |         |    +-------+
>     #  |  EA2  |<-->|         |    |         |    |         |<-->|  EC2  |
>     #  +-------+    +---------+    +---------+    +---------+    +-------+
>     #                                ^     ^
>     #                                |     |
>     #                          +-------+ +-------+
>     #                          |  EB1  | |  EB2  |
>     #                          +-------+ +-------+
> {code}
> This allows testing INTB in through message forwarding where INTB is neither a listener target nor a terminating edge uplink.



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