More HTTP fixes
- Aug 06, 2020
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Andrej Shadura authoredSigned-off-by:
Andrej Shadura <andrew.shadura@collabora.co.uk> -
When we failed after a retry, we only communicated failure as transient, but this seems wrong, especially given that the code now always triggers a retry when Die() is called, as Die() closes the server fd. Instead, remove the error handling in that code path, and reuse the existing fatal-ish error code handling path.
Unverified3b2dfcf8 -
If there was a transient error and the server fd was closed, the code would infinitely retry - it never reached FailCounter >= 2 because it falls through to the end of the loop, which sets FailCounter = 0. Add a continue just like the DNS rotation code has, so that the retry actually fails after 2 attempts. Also rework the error logic to forward the actual error message.
Unverified761dedba -
We only add the file to the select() call if we have data to write to it prior to the select() call. This is problematic: Assuming we enter Go() with no data to write to the file, but we read some from the server as well as an EOF, we end up not writing it to the file because we did not add the file to the select. We can't always add the file to the select(), because it's basically always ready and we don't want to wake up if we don't have anything to read or write. So for a solution, let's just always write data to the file if there's data to write to it. If some gets leftover, or if some was already present when we started Go(), it will still be added to the select() call and unblock it. Closes: #959518
Unverified91ab0a67
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