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Fix bug 60471 by correctly identifying unused speculative preconnections

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* Correctly identify unused speculative preconnections from browsers
  like Chrome and Firefox
* Add a new message to the debug level that is emitted when a TCP
  connection is closed without sending any request (a preconnection)
* Fix an issue where the existing debug messages were not being
  displayed even when debug mode was enabled
This commit is contained in:
Sammy Kaye Powers 2017-03-29 09:27:18 -05:00 • committed by Sara Golemon
parent 8121cb5046
commit fd0e71d001
3 changed files with 80 additions and 74 deletions
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69
sapi/cli/php_http_parser.c
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@ -195,75 +195,6 @@ static const uint8_t normal_url_char[256] = {
1, 1, 1, 1, 1, 1, 1, 0 };
enum state
{ s_dead = 1 /* important that this is > 0 */
, s_start_req_or_res
, s_res_or_resp_H
, s_start_res
, s_res_H
, s_res_HT
, s_res_HTT
, s_res_HTTP
, s_res_first_http_major
, s_res_http_major
, s_res_first_http_minor
, s_res_http_minor
, s_res_first_status_code
, s_res_status_code
, s_res_status
, s_res_line_almost_done
, s_start_req
, s_req_method
, s_req_spaces_before_url
, s_req_schema
, s_req_schema_slash
, s_req_schema_slash_slash
, s_req_host
, s_req_port
, s_req_path
, s_req_query_string_start
, s_req_query_string
, s_req_fragment_start
, s_req_fragment
, s_req_http_start
, s_req_http_H
, s_req_http_HT
, s_req_http_HTT
, s_req_http_HTTP
, s_req_first_http_major
, s_req_http_major
, s_req_first_http_minor
, s_req_http_minor
, s_req_line_almost_done
, s_header_field_start
, s_header_field
, s_header_value_start
, s_header_value
, s_header_almost_done
, s_headers_almost_done
/* Important: 's_headers_almost_done' must be the last 'header' state. All
* states beyond this must be 'body' states. It is used for overflow
* checking. See the PARSING_HEADER() macro.
*/
, s_chunk_size_start
, s_chunk_size
, s_chunk_size_almost_done
, s_chunk_parameters
, s_chunk_data
, s_chunk_data_almost_done
, s_chunk_data_done
, s_body_identity
, s_body_identity_eof
};
#define PARSING_HEADER(state) (state <= s_headers_almost_done && 0 == (parser->flags & F_TRAILING))