This is an automated email from the ASF dual-hosted git repository. cmcfarlen pushed a commit to branch 10.0.x in repository https://gitbox.apache.org/repos/asf/trafficserver.git
commit ef58f4674409232e0b98e92ecf96922187c3dca9 Author: Masakazu Kitajo <[email protected]> AuthorDate: Tue Jul 23 11:19:45 2024 -0600 Normalized ae cache lookup before cache lookup (#11594) * Normalize Accept-Encoding header value before cache lookup Co-authored-by: Min Chen <[email protected]> * Fix typos and use f-strings for formatting * fix errors in the previous commit * Remove select_ports --------- Co-authored-by: Min Chen <[email protected]> (cherry picked from commit 4122abd9272d49cb4ed87d479e1febb0f1c7c1da) --- include/proxy/http/HttpTransact.h | 2 + src/proxy/http/HttpSM.cc | 6 +- .../headers/normalized_ae_match_vary_cache.test.py | 67 ++ .../normalized_ae_varied_transactions.replay.yaml | 813 +++++++++++++++++++++ 4 files changed, 886 insertions(+), 2 deletions(-) diff --git a/include/proxy/http/HttpTransact.h b/include/proxy/http/HttpTransact.h index 00df25eefe..e673005a8c 100644 --- a/include/proxy/http/HttpTransact.h +++ b/include/proxy/http/HttpTransact.h @@ -664,6 +664,7 @@ public: HTTPHdr server_request; HTTPHdr server_response; HTTPHdr transform_response; + HTTPHdr cache_request; HTTPHdr cache_response; int64_t request_content_length = HTTP_UNDEFINED_CL; int64_t response_content_length = HTTP_UNDEFINED_CL; @@ -902,6 +903,7 @@ public: hdr_info.server_request.destroy(); hdr_info.server_response.destroy(); hdr_info.transform_response.destroy(); + hdr_info.cache_request.destroy(); hdr_info.cache_response.destroy(); cache_info.lookup_url_storage.destroy(); cache_info.parent_selection_url_storage.destroy(); diff --git a/src/proxy/http/HttpSM.cc b/src/proxy/http/HttpSM.cc index 13b3b3c6f1..5c911f84a4 100644 --- a/src/proxy/http/HttpSM.cc +++ b/src/proxy/http/HttpSM.cc @@ -4948,8 +4948,10 @@ HttpSM::do_cache_lookup_and_read() HttpCacheKey key; Cache::generate_key(&key, c_url, t_state.txn_conf->cache_ignore_query, t_state.txn_conf->cache_generation_number); + t_state.hdr_info.cache_request.copy(&t_state.hdr_info.client_request); + HttpTransactHeaders::normalize_accept_encoding(t_state.txn_conf, &t_state.hdr_info.cache_request); pending_action = cache_sm.open_read( - &key, c_url, &t_state.hdr_info.client_request, t_state.txn_conf, + &key, c_url, &t_state.hdr_info.cache_request, t_state.txn_conf, static_cast<time_t>((t_state.cache_control.pin_in_cache_for < 0) ? 0 : t_state.cache_control.pin_in_cache_for)); // // pin_in_cache value is an open_write parameter. @@ -5053,7 +5055,7 @@ HttpSM::do_cache_prepare_action(HttpCacheSM *c_sm, CacheHTTPInfo *object_read_in Cache::generate_key(&key, s_url, t_state.txn_conf->cache_ignore_query, t_state.txn_conf->cache_generation_number); pending_action = - c_sm->open_write(&key, s_url, &t_state.hdr_info.client_request, object_read_info, + c_sm->open_write(&key, s_url, &t_state.hdr_info.cache_request, object_read_info, static_cast<time_t>((t_state.cache_control.pin_in_cache_for < 0) ? 0 : t_state.cache_control.pin_in_cache_for), retry, allow_multiple); } diff --git a/tests/gold_tests/headers/normalized_ae_match_vary_cache.test.py b/tests/gold_tests/headers/normalized_ae_match_vary_cache.test.py new file mode 100644 index 0000000000..991d2fda32 --- /dev/null +++ b/tests/gold_tests/headers/normalized_ae_match_vary_cache.test.py @@ -0,0 +1,67 @@ +''' +Test cache matching with the normalized Accept-Encoding header field +and the Vary header field in response +''' +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import os + +Test.Summary = ''' +Test cache matching with the normalized Accept-Encoding and the Vary header field in response +''' + +Test.ContinueOnFail = True + +testName = "NORMALIZE_AE_MATCH_VARY" + +replay_file = "replays/normalized_ae_varied_transactions.replay.yaml" +server = Test.MakeVerifierServerProcess("server", replay_file) + +ts = Test.MakeATSProcess("ts", enable_cache=True) +ts.Disk.remap_config.AddLine( + f"map http://www.ae-0.com http://127.0.0.1:{server.Variables.http_port}"; + + ' @plugin=conf_remap.so @pparam=proxy.config.http.normalize_ae=0') +ts.Disk.remap_config.AddLine( + f"map http://www.ae-1.com http://127.0.0.1:{server.Variables.http_port}"; + + ' @plugin=conf_remap.so @pparam=proxy.config.http.normalize_ae=1') +ts.Disk.remap_config.AddLine( + f"map http://www.ae-2.com http://127.0.0.1:{server.Variables.http_port}"; + + ' @plugin=conf_remap.so @pparam=proxy.config.http.normalize_ae=2') +# disable normalize_ae=3 on 9.1 +ts.Disk.remap_config.AddLine( + f"map http://www.ae-3.com http://127.0.0.1:{server.Variables.http_port}"; + + ' @plugin=conf_remap.so @pparam=proxy.config.http.normalize_ae=3') +ts.Disk.plugin_config.AddLine('xdebug.so --enable=x-cache') +ts.Disk.records_config.update( + { + 'proxy.config.diags.debug.enabled': 1, + 'proxy.config.diags.debug.tags': 'http', + 'proxy.config.http.response_via_str': 3, + # the following variables could affect the results of alternate cache matching, + # define them with their default values explicitly + 'proxy.config.cache.limits.http.max_alts': 5, + 'proxy.config.http.cache.ignore_accept_mismatch': 2, + 'proxy.config.http.cache.ignore_accept_language_mismatch': 2, + 'proxy.config.http.cache.ignore_accept_encoding_mismatch': 2, + 'proxy.config.http.cache.ignore_accept_charset_mismatch': 2, + }) + +tr = Test.AddTestRun() +tr.Processes.Default.StartBefore(server) +tr.Processes.Default.StartBefore(ts) +tr.AddVerifierClientProcess("client", replay_file, http_ports=[ts.Variables.port]) +tr.StillRunningAfter = ts diff --git a/tests/gold_tests/headers/replays/normalized_ae_varied_transactions.replay.yaml b/tests/gold_tests/headers/replays/normalized_ae_varied_transactions.replay.yaml new file mode 100644 index 0000000000..57842341a5 --- /dev/null +++ b/tests/gold_tests/headers/replays/normalized_ae_varied_transactions.replay.yaml @@ -0,0 +1,813 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +meta: + version: "1.0" + + blocks: + + - 404_response: &404_response + status: 404 + reason: "Not Found" + headers: + fields: + - [ Content-Length, 0 ] + +sessions: +- transactions: + + # Case 1 proxy.config.http.normalize_ae:0 + # load an alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case1 + headers: + fields: + - [ Host, www.ae-0.com ] + - [ X-Debug, x-cache] + - [ uuid, 01 ] + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, No-Accept-Encoding ] + content: + encoding: plain + data: "no Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # load an alternate of empty Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case1 + headers: + fields: + - [ Host, www.ae-0.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, "" ] + - [ uuid, 02 ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Empty-Accept-Encoding ] + content: + encoding: plain + data: "Empty Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Empty-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # Accept-Encoding header deflate would match the alternate of empty Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case1 + headers: + fields: + - [ Host, www.ae-0.com ] + - [ X-Debug, x-cache] + - [ uuid, 03 ] + - [ Accept-Encoding, deflate ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Empty-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header br, compress would match the alternate of empty Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case1 + headers: + fields: + - [ Host, www.ae-0.com ] + - [ X-Debug, x-cache] + - [ uuid, 04 ] + - [ Accept-Encoding, "br, compress" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Empty-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # load an alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case1 + headers: + fields: + - [ Host, www.ae-0.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, gzip;q=0.8 ] + - [ uuid, 05 ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Gzip-Accept-Encoding ] + content: + encoding: plain + data: "Gzip Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # Accept-Encoding header br, compress, gzip would match the alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case1 + headers: + fields: + - [ Host, www.ae-0.com ] + - [ X-Debug, x-cache] + - [ uuid, 06 ] + - [ Accept-Encoding, "br, compress, gzip" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + + # Case 2 proxy.config.http.normalize_ae:1 + # load an alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case2 + headers: + fields: + - [ Host, www.ae-1.com ] + - [ X-Debug, x-cache] + - [ uuid, 11 ] + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, No-Accept-Encoding ] + content: + encoding: plain + data: "no Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # empty Accept-Encoding header would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case2 + headers: + fields: + - [ Host, www.ae-1.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, "" ] + - [ uuid, 12 ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header deflate would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case2 + headers: + fields: + - [ Host, www.ae-1.com ] + - [ X-Debug, x-cache] + - [ uuid, 13 ] + - [ Accept-Encoding, deflate ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header br, compress would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case2 + headers: + fields: + - [ Host, www.ae-1.com ] + - [ X-Debug, x-cache] + - [ uuid, 14 ] + - [ Accept-Encoding, "br, compress" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # load an alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case2 + headers: + fields: + - [ Host, www.ae-1.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, gzip;q=0.8 ] + - [ uuid, 15 ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Gzip-Accept-Encoding ] + content: + encoding: plain + data: "Gzip Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # Accept-Encoding header br, compress, gzip would match the alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case2 + headers: + fields: + - [ Host, www.ae-1.com ] + - [ X-Debug, x-cache] + - [ uuid, 16 ] + - [ Accept-Encoding, "br, compress, gzip" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Case 3 proxy.config.http.normalize_ae:2 + # load an alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ uuid, 21 ] + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, No-Accept-Encoding ] + content: + encoding: plain + data: "no Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # empty Accept-Encoding header would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, "" ] + - [ uuid, 22 ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header deflate would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ uuid, 23 ] + - [ Accept-Encoding, deflate ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # load an alternate of br Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ uuid, 24 ] + - [ Accept-Encoding, "br, compress" ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Br-Accept-Encoding ] + content: + encoding: plain + data: "br Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Br-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # load an alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, gzip;q=0.8 ] + - [ uuid, 25 ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Gzip-Accept-Encoding ] + content: + encoding: plain + data: "Gzip Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # Accept-Encoding header br, compress, gzip would match the alternate of br Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ uuid, 26 ] + - [ Accept-Encoding, "br, compress, gzip" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Br-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header compress, gzip would match the alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case3 + headers: + fields: + - [ Host, www.ae-2.com ] + - [ X-Debug, x-cache] + - [ uuid, 27 ] + - [ Accept-Encoding, "compress, gzip" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Case 4 proxy.config.http.normalize_ae:3 + # load an alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 31 ] + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, No-Accept-Encoding ] + content: + encoding: plain + data: "no Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # empty Accept-Encoding header would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, "" ] + - [ uuid, 32 ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header deflate would match the alternate of no Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 33 ] + - [ Accept-Encoding, deflate ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: No-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # load an alternate of br Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 34 ] + - [ Accept-Encoding, "br, compress" ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Br-Accept-Encoding ] + content: + encoding: plain + data: "br Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Br-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # load an alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ Accept-Encoding, gzip;q=0.8 ] + - [ uuid, 35 ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Gzip-Accept-Encoding ] + content: + encoding: plain + data: "Gzip Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: miss, as: equal } ] + + # NOTICE: This case should load an alternate of br, gzip Accept-Encoding header. + # However, due to the implementation of calculate_quality_of_match(), + # ATS matches the alternate of gzip Accept-Encoding header. + # The result is DIFFERENT from the description of proxy.config.http.normalize_ae: 3 + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 36 ] + - [ Accept-Encoding, "br, compress, gzip" ] + delay: 100ms + + server-response: + status: 200 + reason: OK + headers: + fields: + - [ Transfer-Encoding, chunked ] + - [ Cache-Control, max-age=300 ] + - [ Vary, Accept-Encoding ] + - [ Connection, close ] + - [ X-Response-Identifier, Br-Gzip-Accept-Encoding ] + content: + encoding: plain + data: "Br, Gzip Accept-Encoding" + + proxy-response: + status: 200 + headers: + fields: + # - [ X-Response-Identifier, { value: Br-Gzip-Accept-Encoding, as: equal } ] + # - [ X-Cache, { value: miss, as: equal } ] + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header compress, gzip would match the alternate of gzip Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 37 ] + - [ Accept-Encoding, "compress, gzip" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # Accept-Encoding header br;q=1.1 would match the alternate of br Accept-Encoding header + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 38 ] + - [ Accept-Encoding, "br;q=1.1" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + - [ X-Response-Identifier, { value: Br-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ] + + # NOTICE: This case should make Accept-Encoding header br, gzip;q=0.8 match + # the alternate of br, gzip Accept-Encoding header. + # However, due to the implementation of calculate_quality_of_match(), + # ATS matches the alternate of gzip Accept-Encoding header. + # The result is DIFFERENT from the description of proxy.config.http.normalize_ae: 3 + - client-request: + method: "GET" + version: "1.1" + url: /case4 + headers: + fields: + - [ Host, www.ae-3.com ] + - [ X-Debug, x-cache] + - [ uuid, 39 ] + - [ Accept-Encoding, "br, gzip;q=0.8" ] + delay: 100ms + + server-response: + <<: *404_response + + proxy-response: + status: 200 + headers: + fields: + # - [ X-Response-Identifier, { value: Br-Gzip-Accept-Encoding, as: equal } ] + - [ X-Response-Identifier, { value: Gzip-Accept-Encoding, as: equal } ] + - [ X-Cache, { value: hit-fresh, as: equal } ]
