[GitHub] [nifi-minifi-cpp] martinzink edited a comment on pull request #1177: MINIFICPP-1644: ProcessSession::read ignores the size/offset of the

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martinzink edited a comment on pull request #1177:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1177#issuecomment-924047824


   The current read callbacks work either
   - by reading until the size of the stream (e.g. utils::ByteOutputCallback::process), this coulld be fixed by wrapping the size() function.
   - or they read batch-by-batch until the read returns 0 (e.g. PutFile::ReadCallback::process), for this I've wrapped the read function so it wont over-read 
   
   For this I had to add tell function to `minifi::io::Stream` which will tell the current seek position
   I implemented `tell` everywhere where `seek` was implemented.
   


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