bneradt commented on code in PR #9987:
URL: https://github.com/apache/trafficserver/pull/9987#discussion_r1453952150
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proxy/http2/Http2Stream.cc:
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@@ -315,19 +309,36 @@ Http2Stream::send_request(Http2ConnectionState &cstate)
}
} while (!done);
- if (bufindex == 0) {
+ if (dumpoffset == 0) {
// No data to signal read event
return;
}
// Is the _sm ready to process the header?
if (this->read_vio.nbytes > 0) {
if (this->receive_end_stream) {
- this->read_vio.nbytes = bufindex;
- this->read_vio.ndone = bufindex;
+ // This is dangerous. The _sm has possibly not read
+ // the data yet, so we end up with a mismatch if there
+ // is something async in between.
+ // Better would be to get the actual difference between
+ // the start of the headers and the actual position in
+ // the buffer for the ndone part.
+ // Howerver, during testing we have not seen any issues.
+ this->read_vio.nbytes = this->read_vio.ndone + dumpoffset;
Review Comment:
I made this change.
@keesspoelstra : I pushed this change as well as some comment and method
name clarifications. They are in separate commits to ease review. Can you
please let me know if you see anything concerning about it?
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