Logging an OutputStreamResponse

[Dan Gravell]

Under certain circumstances (rare, opt-in ones) I want to be able to log the contents of an OutputStreamResponse.

Currently I log requests/responses in LiftRules.onEndServicing.

The approach I considered was to copy the OutputStream into memory, log it, then create a new InMemoryResponse to send to the client.

However onEndServicing doesn't have any control over what is actually sent to the client, so I suspect the OutputStream will return nothing to the client if it is already "evaluated".

Has anyone done this, is there a part of the LiftRules API I'm missing?

Thanks,

Dan

[Diego Medina]

Hi Dan,

I could be wrong but I think the whole point of the *StreamResponse is that Lift doesn't really read it, it just passes the data from your source to the client.

If you need to keep using a stream, maybe you can hook for these type of responses earlier, where you read your data from a db or wherever you get the data from, log it at that level, and then generate the OutputStreamResponse.

Thanks

Diego

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Diego Medina
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[Dan Gravell]

I guess you're right.