Sdch view for net-internals

net/base/sdch_problem_code_list.h

Index: net/base/sdch_problem_code_list.h
diff --git a/net/base/sdch_problem_code_list.h b/net/base/sdch_problem_code_list.h
new file mode 100644
index 0000000000000000000000000000000000000000..4efc17cb166dd8be5cd67ae9bae722748771448e
--- /dev/null
+++ b/net/base/sdch_problem_code_list.h
@@ -0,0 +1,127 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file intentionally does not have header guards, it's included
+// inside a macro to generate enum values.
+
+// This file contains list of sdch-related problem codes.
+// No error.
+SDCH_PROBLEM_CODE(OK, 0)
+
+// Content-encoding correction problems.
+SDCH_PROBLEM_CODE(ADDED_CONTENT_ENCODING, 1)
+SDCH_PROBLEM_CODE(FIXED_CONTENT_ENCODING, 2)
+SDCH_PROBLEM_CODE(FIXED_CONTENT_ENCODINGS, 3)
+
+// Content decoding errors.
+SDCH_PROBLEM_CODE(DECODE_HEADER_ERROR, 4)
+SDCH_PROBLEM_CODE(DECODE_BODY_ERROR, 5)
+
+// More content-encoding correction problems.
+SDCH_PROBLEM_CODE(OPTIONAL_GUNZIP_ENCODING_ADDED, 6)
+
+// Content encoding correction when we're not even tagged as HTML!?!
+SDCH_PROBLEM_CODE(BINARY_ADDED_CONTENT_ENCODING, 7)
+SDCH_PROBLEM_CODE(BINARY_FIXED_CONTENT_ENCODING, 8)
+SDCH_PROBLEM_CODE(BINARY_FIXED_CONTENT_ENCODINGS, 9)
+
+// Dictionary selection for use problems.
+SDCH_PROBLEM_CODE(DICTIONARY_FOUND_HAS_WRONG_DOMAIN, 10)
+SDCH_PROBLEM_CODE(DICTIONARY_FOUND_HAS_WRONG_PORT_LIST, 11)
+SDCH_PROBLEM_CODE(DICTIONARY_FOUND_HAS_WRONG_PATH, 12)
+SDCH_PROBLEM_CODE(DICTIONARY_FOUND_HAS_WRONG_SCHEME, 13)
+SDCH_PROBLEM_CODE(DICTIONARY_HASH_NOT_FOUND, 14)
+SDCH_PROBLEM_CODE(DICTIONARY_HASH_MALFORMED, 15)
+SDCH_PROBLEM_CODE(DICTIONARY_FOUND_EXPIRED, 16)
+
+// Dictionary saving problems.
+SDCH_PROBLEM_CODE(DICTIONARY_HAS_NO_HEADER, 20)
+SDCH_PROBLEM_CODE(DICTIONARY_HEADER_LINE_MISSING_COLON, 21)
+SDCH_PROBLEM_CODE(DICTIONARY_MISSING_DOMAIN_SPECIFIER, 22)
+SDCH_PROBLEM_CODE(DICTIONARY_SPECIFIES_TOP_LEVEL_DOMAIN, 23)
+SDCH_PROBLEM_CODE(DICTIONARY_DOMAIN_NOT_MATCHING_SOURCE_URL, 24)
+SDCH_PROBLEM_CODE(DICTIONARY_PORT_NOT_MATCHING_SOURCE_URL, 25)
+SDCH_PROBLEM_CODE(DICTIONARY_HAS_NO_TEXT, 26)
+SDCH_PROBLEM_CODE(DICTIONARY_REFERER_URL_HAS_DOT_IN_PREFIX, 27)
+SDCH_PROBLEM_CODE(DICTIONARY_UNSUPPORTED_VERSION, 28)
+
+// Dictionary loading problems.
+SDCH_PROBLEM_CODE(DICTIONARY_LOAD_ATTEMPT_FROM_DIFFERENT_HOST, 30)
+SDCH_PROBLEM_CODE(DICTIONARY_SELECTED_FOR_SSL, 31)
+SDCH_PROBLEM_CODE(DICTIONARY_ALREADY_LOADED, 32)
+SDCH_PROBLEM_CODE(DICTIONARY_SELECTED_FROM_NON_HTTP, 33)
+SDCH_PROBLEM_CODE(DICTIONARY_IS_TOO_LARGE, 34)
+SDCH_PROBLEM_CODE(DICTIONARY_COUNT_EXCEEDED, 35)
+// defunct = 36, // DICTIONARY_PREVIOUSLY_SCHEDULED_TO_DOWNLOAD used instead.
+// defunct = 37, // DICTIONARY_PREVIOUSLY_SCHEDULED_TO_DOWNLOAD used instead.
+SDCH_PROBLEM_CODE(DICTIONARY_FETCH_READ_FAILED, 38)
+SDCH_PROBLEM_CODE(DICTIONARY_PREVIOUSLY_SCHEDULED_TO_DOWNLOAD, 39)
+
+// Failsafe hack.
+SDCH_PROBLEM_CODE(ATTEMPT_TO_DECODE_NON_HTTP_DATA, 40)
+
+// Content-Encoding problems detected, with no action taken.
+SDCH_PROBLEM_CODE(MULTIENCODING_FOR_NON_SDCH_REQUEST, 50)
+SDCH_PROBLEM_CODE(SDCH_CONTENT_ENCODE_FOR_NON_SDCH_REQUEST, 51)
+
+// Dictionary manager issues.
+SDCH_PROBLEM_CODE(DOMAIN_BLACKLIST_INCLUDES_TARGET, 61)
+
+// Problematic decode recovery methods.
+// Dictionary not found.
+SDCH_PROBLEM_CODE(META_REFRESH_RECOVERY, 70)
+// defunct =  71, // Almost the same as META_REFRESH_UNSUPPORTED.
+// defunct = 72,  // Almost the same as CACHED_META_REFRESH_UNSUPPORTED.
+// defunct = 73,  // PASSING_THROUGH_NON_SDCH plus DISCARD_TENTATIVE_SDCH.
+// Unrecoverable error.
+SDCH_PROBLEM_CODE(META_REFRESH_UNSUPPORTED, 74)
+// As above, but pulled from cache.
+SDCH_PROBLEM_CODE(CACHED_META_REFRESH_UNSUPPORTED, 75)
+// Tagged sdch but missing dictionary-hash.
+SDCH_PROBLEM_CODE(PASSING_THROUGH_NON_SDCH, 76)
+// Last window was not completely decoded.
+SDCH_PROBLEM_CODE(INCOMPLETE_SDCH_CONTENT, 77)
+// URL not found message passing through.
+SDCH_PROBLEM_CODE(PASS_THROUGH_404_CODE, 78)
+
+// This next report is very common, and not really an error scenario, but
+// it exercises the error recovery logic.
+// Back button got pre-SDCH cached content.
+SDCH_PROBLEM_CODE(PASS_THROUGH_OLD_CACHED, 79)
+
+// Common decoded recovery methods.
+// Probably startup tab loading.
+SDCH_PROBLEM_CODE(META_REFRESH_CACHED_RECOVERY, 80)
+// defunct = 81, // Now tracked by ResponseCorruptionDetectionCause histo.
+
+// Non SDCH problems, only accounted for to make stat counting complete
+// (i.e., be able to be sure all dictionary advertisements are accounted
+// for).
+// Possible error in filter chaining.
+SDCH_PROBLEM_CODE(UNFLUSHED_CONTENT, 90)
+// defunct = 91,           // MISSING_TIME_STATS (Should never happen.)
+// No timing stats recorded.
+SDCH_PROBLEM_CODE(CACHE_DECODED, 92)
+// defunct = 93,           // OVER_10_MINUTES (No timing stats recorded.)
+// Filter never even got initialized.
+SDCH_PROBLEM_CODE(UNINITIALIZED, 94)
+// We hadn't even parsed a dictionary selector.
+SDCH_PROBLEM_CODE(PRIOR_TO_DICTIONARY, 95)
+// Something went wrong during decode.
+SDCH_PROBLEM_CODE(DECODE_ERROR, 96)
+
+// Problem during the latency test.
+// SDCH now failing, but it worked before!
+SDCH_PROBLEM_CODE(LATENCY_TEST_DISALLOWED, 100)
+
+// General SDCH problems.
+// SDCH is disabled.
+SDCH_PROBLEM_CODE(DISABLED, 105)
+// SDCH over https is disabled.
+SDCH_PROBLEM_CODE(SECURE_SCHEME_NOT_SUPPORTED, 106)
+
+// Used to bound histogram.
+SDCH_PROBLEM_CODE(MAX_PROBLEM_CODE, 110)
+
+// These values are not used in histograms.