JosiahWI commented on code in PR #13420:
URL: https://github.com/apache/trafficserver/pull/13420#discussion_r3638558481
##########
src/proxy/http/HttpSM.cc:
##########
@@ -627,10 +628,24 @@ HttpSM::state_read_client_request_header(int event, void
*data)
// tokenize header //
/////////////////////
- ParseResult state = t_state.hdr_info.client_request.parse_req(&http_parser,
_ua.get_txn()->get_remote_reader(), &bytes_used,
-
_ua.get_entry()->eos, t_state.http_config_param->strict_uri_parsing,
-
t_state.http_config_param->http_request_line_max_size,
-
t_state.http_config_param->http_hdr_field_max_size);
+ ParseResult state;
+
+ if (_pre_parsed_ua_request != nullptr) {
+ // The UA_FIRST_READ gate above never fires on this path: the read buffer
stays empty.
+ if (milestones[TS_MILESTONE_UA_FIRST_READ] == 0) {
+ ATS_PROBE1(milestone_ua_first_read, sm_id);
+ milestones[TS_MILESTONE_UA_FIRST_READ] = ink_get_hrtime();
+ }
+ t_state.hdr_info.client_request.copy(_pre_parsed_ua_request);
+ _pre_parsed_ua_request = nullptr;
+ bytes_used = t_state.hdr_info.client_request.length_get();
+ state = ParseResult::DONE;
Review Comment:
This computation of `bytes_used` is good. It is more accurate than the
`parse_req` path, even.
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