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Issue 103973007: Land Recent QUIC Changes. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix for android compile error Created 7 years ago
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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 #include "net/quic/crypto/quic_random.h" 5 #include "net/quic/crypto/quic_random.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/memory/singleton.h" 8 #include "base/memory/singleton.h"
9 #include "crypto/random.h" 9 #include "crypto/random.h"
10 10
11 namespace net { 11 namespace net {
12 12
13 namespace { 13 namespace {
14 14
15 class DefaultRandom : public QuicRandom { 15 class DefaultRandom : public QuicRandom {
16 public: 16 public:
17 static DefaultRandom* GetInstance(); 17 static DefaultRandom* GetInstance();
18 18
19 // QuicRandom implementation 19 // QuicRandom implementation
20 virtual void RandBytes(void* data, size_t len) OVERRIDE; 20 virtual void RandBytes(void* data, size_t len) OVERRIDE;
21 virtual uint64 RandUint64() OVERRIDE; 21 virtual uint64 RandUint64() OVERRIDE;
22 virtual bool RandBool() OVERRIDE;
23 virtual void Reseed(const void* additional_entropy, 22 virtual void Reseed(const void* additional_entropy,
24 size_t entropy_len) OVERRIDE; 23 size_t entropy_len) OVERRIDE;
25 24
26 private: 25 private:
27 DefaultRandom(); 26 DefaultRandom();
28 virtual ~DefaultRandom() {} 27 virtual ~DefaultRandom() {}
29 28
30 friend struct DefaultSingletonTraits<DefaultRandom>; 29 friend struct DefaultSingletonTraits<DefaultRandom>;
31 DISALLOW_COPY_AND_ASSIGN(DefaultRandom); 30 DISALLOW_COPY_AND_ASSIGN(DefaultRandom);
32 }; 31 };
33 32
34 DefaultRandom* DefaultRandom::GetInstance() { 33 DefaultRandom* DefaultRandom::GetInstance() {
35 return Singleton<DefaultRandom>::get(); 34 return Singleton<DefaultRandom>::get();
36 } 35 }
37 36
38 void DefaultRandom::RandBytes(void* data, size_t len) { 37 void DefaultRandom::RandBytes(void* data, size_t len) {
39 crypto::RandBytes(data, len); 38 crypto::RandBytes(data, len);
40 } 39 }
41 40
42 uint64 DefaultRandom::RandUint64() { 41 uint64 DefaultRandom::RandUint64() {
43 uint64 value; 42 uint64 value;
44 RandBytes(&value, sizeof(value)); 43 RandBytes(&value, sizeof(value));
45 return value; 44 return value;
46 } 45 }
47 46
48 bool DefaultRandom::RandBool() {
49 char value;
50 RandBytes(&value, sizeof(value));
51 return (value & 1) == 1;
52 }
53
54 void DefaultRandom::Reseed(const void* additional_entropy, size_t entropy_len) { 47 void DefaultRandom::Reseed(const void* additional_entropy, size_t entropy_len) {
55 // No such function exists in crypto/random.h. 48 // No such function exists in crypto/random.h.
56 } 49 }
57 50
58 DefaultRandom::DefaultRandom() { 51 DefaultRandom::DefaultRandom() {
59 } 52 }
60 53
61 } // namespace 54 } // namespace
62 55
63 // static 56 // static
64 QuicRandom* QuicRandom::GetInstance() { return DefaultRandom::GetInstance(); } 57 QuicRandom* QuicRandom::GetInstance() { return DefaultRandom::GetInstance(); }
65 58
66 } // namespace net 59 } // namespace net
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