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fix(client): call stream_close_send after GET #1564
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Previously `neqo-client` would not close the sending side of a stream after sending a GET request. Corresponding section in RFC 9114: > After sending a request, a client MUST close the stream for sending. https://www.rfc-editor.org/rfc/rfc9114.html#name-http-message-framing This surfaces in the Quic Interop Runner `http3` test. Here the client download 3 files from the server. 1. The client opens stream `0`, sends a GET for the first file. 2. The client opens stream `4`, sends a GET for the second file. 3. The client opens stream `8`, sends a GET for the third file. 4. ... 5. Eventually the client has read the whole response on stream `0`, [it removes the corresponding `StreamHandler` from `self.url_handler.stream_handlers`](https://github.com/mozilla/neqo/blob/64fb41f47cbbbb1101484dcd37533c7b295fa659/neqo-client/src/main.rs#L775-L777) and continues with the remaining requests. 6. Given that the client did not close the sending side of stream `0` after sending the GET request, it still handles `Http3ClientEvent::DataWritable` events for stream `0`. Given that it previously removed stream `0` from `self.url_handler.stream_handlers`, [it errors](https://github.com/mozilla/neqo/blob/64fb41f47cbbbb1101484dcd37533c7b295fa659/neqo-client/src/main.rs#L780-L784) and discontinues the [process_loop](https://github.com/mozilla/neqo/blob/64fb41f47cbbbb1101484dcd37533c7b295fa659/neqo-client/src/main.rs#L472-L474). 7. The second and third request don't finish and the Quic Interop Runner fails the test given that the second and third file are not fully downloaded. > File size of /tmp/download_sivy_1mt/cjwxjpvzjr doesn't match. Original: 10240 bytes, downloaded: 4056 bytes.
Codecov ReportAttention:
Additional details and impacted files@@ Coverage Diff @@
## main #1564 +/- ##
==========================================
- Coverage 87.63% 87.61% -0.03%
==========================================
Files 117 117
Lines 38323 38328 +5
==========================================
- Hits 33584 33580 -4
- Misses 4739 4748 +9 ☔ View full report in Codecov by Sentry. |
KershawChang
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Jan 18, 2024
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There are two server implementations based on neqo: 1. https://github.com/mozilla/neqo/tree/main/neqo-bin/src/server - http3 and http09 implementation - used for manual testing and QUIC Interop 2. https://searchfox.org/mozilla-central/source/netwerk/test/http3server/src/main.rs - used to test Firefox I assume one was once an exact copy of the other. Both implement their own I/O, event loop, ... Since then, the two implementations diverged significantly. Especially (1) saw a lot of improvements in recent months: - mozilla#1564 - mozilla#1569 - mozilla#1578 - mozilla#1581 - mozilla#1604 - mozilla#1612 - mozilla#1676 - mozilla#1692 - mozilla#1707 - mozilla#1708 - mozilla#1727 - mozilla#1753 - mozilla#1756 - mozilla#1766 - mozilla#1772 - mozilla#1786 - mozilla#1787 - mozilla#1788 - mozilla#1794 - mozilla#1806 - mozilla#1808 - mozilla#1848 - mozilla#1866 At this point, bugs in (2) are hard to fix, see e.g. mozilla#1801. This commit merges (2) into (1), thus removing all duplicate logic and having (2) benefit from all the recent improvements to (1).
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There are two server implementations based on neqo: 1. https://github.com/mozilla/neqo/tree/main/neqo-bin/src/server - http3 and http09 implementation - used for manual testing and QUIC Interop 2. https://searchfox.org/mozilla-central/source/netwerk/test/http3server/src/main.rs - used to test Firefox I assume one was once an exact copy of the other. Both implement their own I/O, event loop, ... Since then, the two implementations diverged significantly. Especially (1) saw a lot of improvements in recent months: - mozilla#1564 - mozilla#1569 - mozilla#1578 - mozilla#1581 - mozilla#1604 - mozilla#1612 - mozilla#1676 - mozilla#1692 - mozilla#1707 - mozilla#1708 - mozilla#1727 - mozilla#1753 - mozilla#1756 - mozilla#1766 - mozilla#1772 - mozilla#1786 - mozilla#1787 - mozilla#1788 - mozilla#1794 - mozilla#1806 - mozilla#1808 - mozilla#1848 - mozilla#1866 At this point, bugs in (2) are hard to fix, see e.g. mozilla#1801. This commit merges (2) into (1), thus removing all duplicate logic and having (2) benefit from all the recent improvements to (1).
github-merge-queue bot
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* refactor(bin): introduce server/http3.rs and server/http09.rs The QUIC Interop Runner requires an http3 and http09 implementation for both client and server. The client code is already structured into an http3 and an http09 implementation since #1727. This commit does the same for the server side, i.e. splits the http3 and http09 implementation into separate Rust modules. * refactor: merge mozilla-central http3 server into neqo-bin There are two server implementations based on neqo: 1. https://github.com/mozilla/neqo/tree/main/neqo-bin/src/server - http3 and http09 implementation - used for manual testing and QUIC Interop 2. https://searchfox.org/mozilla-central/source/netwerk/test/http3server/src/main.rs - used to test Firefox I assume one was once an exact copy of the other. Both implement their own I/O, event loop, ... Since then, the two implementations diverged significantly. Especially (1) saw a lot of improvements in recent months: - #1564 - #1569 - #1578 - #1581 - #1604 - #1612 - #1676 - #1692 - #1707 - #1708 - #1727 - #1753 - #1756 - #1766 - #1772 - #1786 - #1787 - #1788 - #1794 - #1806 - #1808 - #1848 - #1866 At this point, bugs in (2) are hard to fix, see e.g. #1801. This commit merges (2) into (1), thus removing all duplicate logic and having (2) benefit from all the recent improvements to (1). * Move firefox.rs to mozilla-central * Reduce HttpServer trait functions * Extract constructor * Remove unused deps * Remove clap color feature Nice to have. Adds multiple dependencies. Hard to justify for mozilla-central.
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Previously
neqo-client
would not close the sending side of a stream after sending a GET request. Corresponding section in RFC 9114:https://www.rfc-editor.org/rfc/rfc9114.html#name-http-message-framing
This surfaces in the Quic Interop Runner
http3
test. Here the client downloads 3 files from the server.The client opens stream
0
, sends a GET for the first file.The client opens stream
4
, sends a GET for the second file.The client opens stream
8
, sends a GET for the third file....
Eventually the client has read the whole response on stream
0
, it removes the correspondingStreamHandler
fromself.url_handler.stream_handlers
and continues with the remaining requests.Given that the client did not close the sending side of stream
0
after sending the GET request, it still handlesHttp3ClientEvent::DataWritable
events for stream0
. Given that it previously removed stream0
fromself.url_handler.stream_handlers
, it errors and discontinues the process_loop.The second and third request don't finish and the Quic Interop Runner fails the test given that the second and third file are not fully downloaded.
Needed for quic-interop/quic-interop-runner#344.
Related to #1552.