James Peach created TS-4922:
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             Summary: TSIOBufferReaderAvail not updates by the VConn write side
                 Key: TS-4922
                 URL: https://issues.apache.org/jira/browse/TS-4922
             Project: Traffic Server
          Issue Type: Bug
          Components: TS API
            Reporter: James Peach


When proxying from a plugin, you call {{TSVConnWrite}} passing in a 
{TSIOBufferReader}} that is specific for the write side of the VC. The 
implication is that the core will use this reader to read out of the buffer as 
the plugin writes into it.

However, if you subsequently call {{TSIOBufferReaderAvail}} on the buffer 
reader that you created, you will find that this count of available bytes never 
goes down. It seems possible (likely?) that the consumer side of the write 
never calls {{consume()}} on the reader.

This can be demonstrated using the {{example/passthru/passthru.cc}}.



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