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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/metrics/serialization/serialization_utils.h" | 5 #include "components/metrics/serialization/serialization_utils.h" |
6 | 6 |
7 #include <sys/file.h> | 7 #include <sys/file.h> |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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145 // This processes all messages in the log. When all messages are | 145 // This processes all messages in the log. When all messages are |
146 // read and processed, or an error occurs, truncate the file to zero size. | 146 // read and processed, or an error occurs, truncate the file to zero size. |
147 for (;;) { | 147 for (;;) { |
148 std::string message; | 148 std::string message; |
149 | 149 |
150 if (!ReadMessage(fd.get(), &message)) | 150 if (!ReadMessage(fd.get(), &message)) |
151 break; | 151 break; |
152 | 152 |
153 scoped_ptr<MetricSample> sample = ParseSample(message); | 153 scoped_ptr<MetricSample> sample = ParseSample(message); |
154 if (sample) | 154 if (sample) |
155 metrics->push_back(sample.release()); | 155 metrics->push_back(sample.Pass()); |
156 } | 156 } |
157 | 157 |
158 result = ftruncate(fd.get(), 0); | 158 result = ftruncate(fd.get(), 0); |
159 if (result < 0) | 159 if (result < 0) |
160 DPLOG(ERROR) << "truncate metrics log: " << filename; | 160 DPLOG(ERROR) << "truncate metrics log: " << filename; |
161 | 161 |
162 result = flock(fd.get(), LOCK_UN); | 162 result = flock(fd.get(), LOCK_UN); |
163 if (result < 0) | 163 if (result < 0) |
164 DPLOG(ERROR) << "unlock metrics log: " << filename; | 164 DPLOG(ERROR) << "unlock metrics log: " << filename; |
165 } | 165 } |
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206 if (!base::WriteFileDescriptor( | 206 if (!base::WriteFileDescriptor( |
207 file_descriptor.get(), msg.c_str(), msg.size())) { | 207 file_descriptor.get(), msg.c_str(), msg.size())) { |
208 DPLOG(ERROR) << "error writing message: " << filename; | 208 DPLOG(ERROR) << "error writing message: " << filename; |
209 return false; | 209 return false; |
210 } | 210 } |
211 | 211 |
212 return true; | 212 return true; |
213 } | 213 } |
214 | 214 |
215 } // namespace metrics | 215 } // namespace metrics |
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