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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/metrics_hashes.h" | 5 #include "base/metrics/metrics_hashes.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/md5.h" | 8 #include "base/md5.h" |
9 #include "base/sys_byteorder.h" | 9 #include "base/sys_byteorder.h" |
10 | 10 |
11 namespace metrics { | 11 namespace base { |
12 | 12 |
13 namespace { | 13 namespace { |
14 | 14 |
15 // Converts the 8-byte prefix of an MD5 hash into a uint64 value. | 15 // Converts the 8-byte prefix of an MD5 hash into a uint64 value. |
16 inline uint64 DigestToUInt64(const base::MD5Digest& digest) { | 16 inline uint64_t DigestToUInt64(const base::MD5Digest& digest) { |
17 uint64 value; | 17 uint64_t value; |
18 DCHECK_GE(arraysize(digest.a), sizeof(value)); | 18 DCHECK_GE(sizeof(digest.a), sizeof(value)); |
19 memcpy(&value, digest.a, sizeof(value)); | 19 memcpy(&value, digest.a, sizeof(value)); |
20 return base::HostToNet64(value); | 20 return base::NetToHost64(value); |
21 } | 21 } |
22 | 22 |
23 } // namespace | 23 } // namespace |
24 | 24 |
25 uint64 HashMetricName(const std::string& name) { | 25 uint64_t HashMetricName(const std::string& name) { |
26 base::MD5Digest digest; | 26 base::MD5Digest digest; |
27 base::MD5Sum(name.c_str(), name.size(), &digest); | 27 base::MD5Sum(name.c_str(), name.size(), &digest); |
28 return DigestToUInt64(digest); | 28 return DigestToUInt64(digest); |
29 } | 29 } |
30 | 30 |
31 } // namespace metrics | 31 } // namespace metrics |
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