* s3: answer GETs canceled before the first byte
A stream that fails before writing anything now always gets an S3 error
response, canceled errors included. The idle timeout and a shared lookup
canceled by another request both cancel the request context while the
client is still connected, and returning silently sent that client a
200 with Content-Length: 0. A client that has gone away never sees the
write.
Refs #12500
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* s3: mark inline GET write errors as written; bound the idle-cancel test
An inline object's write error comes after the status line, so the
caller must not write an S3 error on top of it. The idle-cancel test
caps the client wait and gives the response write its own deadline,
keeping only the read side on the 200 ms idle timeout.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* s3: test a GET whose request is canceled before the first byte
Drives GetObjectHandler through a chunk lookup that cancels the request
context, so a handler that returns before answering shows up as the empty
200 again.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* s3: check the cancel test reached the chunk lookup
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>