How to return HTTP streaming errors? (especially in Rust)

Question

How a streaming (e.g. a sound or video) HTTP server should report failure in the DB from which it streams (when it already streams, 503 header cannot be generated).

The client should be able to differentiate if it received complete file or its beginning only.

I am especially interested how to return such errors in Rust frameworks.

Which protocols are you using for this? If you know the size in advance, what prevents you from sending Content-Length to the client and comparing with the actual data received size? — battlmonstr
– battlmonstr, Commented Jan 22, 2022 at 21:23

Colonel Thirty Two · Accepted Answer · 2022-01-28 21:33:41Z

0

The HTTP server library you are using should be taking care of this for you.

If you are writing your own server for some reason, you should use the chunked encoding method, which has a clear way to specify that the stream is over (a zero-lengthed chunk).

answered Jan 28, 2022 at 21:33

Colonel Thirty Two

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