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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/crash/core/common/crash_keys.h" | 5 #include "components/crash/core/common/crash_keys.h" |
6 | 6 |
| 7 #include "base/command_line.h" |
7 #include "base/debug/crash_logging.h" | 8 #include "base/debug/crash_logging.h" |
8 #include "base/format_macros.h" | 9 #include "base/format_macros.h" |
| 10 #include "base/logging.h" |
9 #include "base/strings/string_piece.h" | 11 #include "base/strings/string_piece.h" |
10 #include "base/strings/string_util.h" | 12 #include "base/strings/string_util.h" |
11 #include "base/strings/stringprintf.h" | 13 #include "base/strings/stringprintf.h" |
| 14 #include "base/strings/utf_string_conversions.h" |
12 | 15 |
13 namespace crash_keys { | 16 namespace crash_keys { |
14 | 17 |
15 #if defined(OS_MACOSX) | 18 #if defined(OS_MACOSX) |
16 // Crashpad owns the "guid" key. Chrome's metrics client ID is a separate ID | 19 // Crashpad owns the "guid" key. Chrome's metrics client ID is a separate ID |
17 // carried in a distinct "metrics_client_id" field. | 20 // carried in a distinct "metrics_client_id" field. |
18 const char kMetricsClientId[] = "metrics_client_id"; | 21 const char kMetricsClientId[] = "metrics_client_id"; |
19 #else | 22 #else |
20 const char kClientId[] = "guid"; | 23 const char kClientId[] = "guid"; |
21 #endif | 24 #endif |
22 | 25 |
23 const char kChannel[] = "channel"; | 26 const char kChannel[] = "channel"; |
24 | 27 |
25 const char kNumVariations[] = "num-experiments"; | 28 const char kNumVariations[] = "num-experiments"; |
26 const char kVariations[] = "variations"; | 29 const char kVariations[] = "variations"; |
27 | 30 |
| 31 const char kSwitchFormat[] = "switch-%" PRIuS; |
| 32 const char kNumSwitches[] = "num-switches"; |
| 33 |
28 const char kBug464926CrashKey[] = "bug-464926-info"; | 34 const char kBug464926CrashKey[] = "bug-464926-info"; |
29 | 35 |
30 #if defined(OS_MACOSX) | 36 #if defined(OS_MACOSX) |
31 namespace mac { | 37 namespace mac { |
32 | 38 |
33 const char kZombie[] = "zombie"; | 39 const char kZombie[] = "zombie"; |
34 const char kZombieTrace[] = "zombie_dealloc_bt"; | 40 const char kZombieTrace[] = "zombie_dealloc_bt"; |
35 | 41 |
36 } // namespace mac | 42 } // namespace mac |
37 #endif | 43 #endif |
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85 // Do not truncate an individual experiment. | 91 // Do not truncate an individual experiment. |
86 if (variations_string.size() + variation.size() >= kLargeSize) | 92 if (variations_string.size() + variation.size() >= kLargeSize) |
87 break; | 93 break; |
88 variations_string += variation; | 94 variations_string += variation; |
89 variations_string += ","; | 95 variations_string += ","; |
90 } | 96 } |
91 | 97 |
92 base::debug::SetCrashKeyValue(kVariations, variations_string); | 98 base::debug::SetCrashKeyValue(kVariations, variations_string); |
93 } | 99 } |
94 | 100 |
| 101 void GetCrashKeysForCommandLineSwitches( |
| 102 std::vector<base::debug::CrashKey>* keys) { |
| 103 DCHECK(keys); |
| 104 base::debug::CrashKey crash_key = { kNumSwitches, kSmallSize }; |
| 105 keys->push_back(crash_key); |
| 106 |
| 107 // Use static storage for formatted key names, since they will persist for |
| 108 // the duration of the program. |
| 109 static char formatted_keys[kSwitchesMaxCount][sizeof(kSwitchFormat) + 1] = |
| 110 {{ 0 }}; |
| 111 const size_t formatted_key_len = sizeof(formatted_keys[0]); |
| 112 |
| 113 // sizeof(kSwitchFormat) is platform-dependent, so make sure formatted_keys |
| 114 // actually have space for a 2-digit switch number plus null-terminator. |
| 115 static_assert(formatted_key_len >= 10, |
| 116 "insufficient space for \"switch-NN\""); |
| 117 |
| 118 for (size_t i = 0; i < kSwitchesMaxCount; ++i) { |
| 119 // Name the keys using 1-based indexing. |
| 120 int n = base::snprintf(formatted_keys[i], formatted_key_len, kSwitchFormat, |
| 121 i + 1); |
| 122 DCHECK_GT(n, 0); |
| 123 base::debug::CrashKey crash_key = { formatted_keys[i], kSmallSize }; |
| 124 keys->push_back(crash_key); |
| 125 } |
| 126 } |
| 127 |
| 128 void SetSwitchesFromCommandLine(const base::CommandLine& command_line, |
| 129 SwitchFilterFunction skip_filter) { |
| 130 const base::CommandLine::StringVector& argv = command_line.argv(); |
| 131 |
| 132 // Set the number of switches in case size > kNumSwitches. |
| 133 base::debug::SetCrashKeyValue(kNumSwitches, |
| 134 base::StringPrintf("%" PRIuS, argv.size() - 1)); |
| 135 |
| 136 size_t key_i = 1; // Key names are 1-indexed. |
| 137 |
| 138 // Go through the argv, skipping the exec path. Stop if there are too many |
| 139 // switches to hold in crash keys. |
| 140 for (size_t i = 1; i < argv.size() && key_i <= crash_keys::kSwitchesMaxCount; |
| 141 ++i) { |
| 142 #if defined(OS_WIN) |
| 143 std::string switch_str = base::WideToUTF8(argv[i]); |
| 144 #else |
| 145 std::string switch_str = argv[i]; |
| 146 #endif |
| 147 |
| 148 // Skip uninteresting switches. |
| 149 if (skip_filter && (*skip_filter)(switch_str)) |
| 150 continue; |
| 151 |
| 152 std::string key = base::StringPrintf(kSwitchFormat, key_i++); |
| 153 base::debug::SetCrashKeyValue(key, switch_str); |
| 154 } |
| 155 |
| 156 // Clear any remaining switches. |
| 157 for (; key_i <= kSwitchesMaxCount; ++key_i) |
| 158 base::debug::ClearCrashKey(base::StringPrintf(kSwitchFormat, key_i)); |
| 159 } |
| 160 |
95 } // namespace crash_keys | 161 } // namespace crash_keys |
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