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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #ifndef THIRD_PARTY_LEVELDATABASE_CHROMIUM_LOGGER_H_ | 5 #ifndef THIRD_PARTY_LEVELDATABASE_CHROMIUM_LOGGER_H_ |
| 6 #define THIRD_PARTY_LEVELDATABASE_CHROMIUM_LOGGER_H_ | 6 #define THIRD_PARTY_LEVELDATABASE_CHROMIUM_LOGGER_H_ |
| 7 | 7 |
| 8 #include "base/files/file.h" | 8 #include "base/files/file.h" |
| 9 #include "base/format_macros.h" | 9 #include "base/format_macros.h" |
| 10 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
| 11 #include "base/time/time.h" | 11 #include "base/time/time.h" |
| 12 #include "third_party/leveldatabase/src/include/leveldb/env.h" | 12 #include "third_party/leveldatabase/src/include/leveldb/env.h" |
| 13 | 13 |
| 14 namespace leveldb { | 14 namespace leveldb { |
| 15 | 15 |
| 16 class ChromiumLogger : public Logger { | 16 class ChromiumLogger : public Logger { |
| 17 public: | 17 public: |
| 18 explicit ChromiumLogger(base::File* f) : file_(f) {} | 18 explicit ChromiumLogger(base::File* f) : file_(f) {} |
| 19 virtual ~ChromiumLogger() {} | 19 virtual ~ChromiumLogger() {} |
| 20 virtual void Logv(const char* format, va_list ap) { | 20 virtual void Logv(const char* format, va_list ap) { |
| 21 const base::PlatformThreadId thread_id = | 21 const base::PlatformThreadId thread_id = base::PlatformThread::CurrentId(); |
| 22 ::base::PlatformThread::CurrentId(); | |
| 23 | 22 |
| 24 // We try twice: the first time with a fixed-size stack allocated buffer, | 23 // We try twice: the first time with a fixed-size stack allocated buffer, |
| 25 // and the second time with a much larger dynamically allocated buffer. | 24 // and the second time with a much larger dynamically allocated buffer. |
| 26 char buffer[500]; | 25 char buffer[500]; |
| 27 for (int iter = 0; iter < 2; iter++) { | 26 for (int iter = 0; iter < 2; iter++) { |
| 28 char* base; | 27 char* base; |
| 29 int bufsize; | 28 int bufsize; |
| 30 if (iter == 0) { | 29 if (iter == 0) { |
| 31 bufsize = sizeof(buffer); | 30 bufsize = sizeof(buffer); |
| 32 base = buffer; | 31 base = buffer; |
| 33 } else { | 32 } else { |
| 34 bufsize = 30000; | 33 bufsize = 30000; |
| 35 base = new char[bufsize]; | 34 base = new char[bufsize]; |
| 36 } | 35 } |
| 37 char* p = base; | 36 char* p = base; |
| 38 char* limit = base + bufsize; | 37 char* limit = base + bufsize; |
| 39 | 38 |
| 40 ::base::Time::Exploded t; | 39 base::Time::Exploded t; |
| 41 ::base::Time::Now().LocalExplode(&t); | 40 base::Time::Now().LocalExplode(&t); |
| 42 | 41 |
| 43 p += ::base::snprintf(p, limit - p, | 42 p += base::snprintf(p, limit - p, |
| 44 "%04d/%02d/%02d-%02d:%02d:%02d.%03d %" PRIu64 " ", | 43 "%04d/%02d/%02d-%02d:%02d:%02d.%03d %" PRIu64 " ", |
| 45 t.year, | 44 t.year, |
| 46 t.month, | 45 t.month, |
| 47 t.day_of_month, | 46 t.day_of_month, |
| 48 t.hour, | 47 t.hour, |
| 49 t.minute, | 48 t.minute, |
| 50 t.second, | 49 t.second, |
| 51 t.millisecond, | 50 t.millisecond, |
| 52 static_cast<uint64>(thread_id)); | 51 static_cast<uint64>(thread_id)); |
| 53 | 52 |
| (...skipping 28 matching lines...) Expand all Loading... |
| 82 } | 81 } |
| 83 } | 82 } |
| 84 | 83 |
| 85 private: | 84 private: |
| 86 scoped_ptr<base::File> file_; | 85 scoped_ptr<base::File> file_; |
| 87 }; | 86 }; |
| 88 | 87 |
| 89 } // namespace leveldb | 88 } // namespace leveldb |
| 90 | 89 |
| 91 #endif // THIRD_PARTY_LEVELDATABASE_CHROMIUM_LOGGER_H_ | 90 #endif // THIRD_PARTY_LEVELDATABASE_CHROMIUM_LOGGER_H_ |
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