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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CHROME_BROWSER_NACL_HOST_PNACL_TRANSLATION_CACHE_H_ | 5 #ifndef CHROME_BROWSER_NACL_HOST_PNACL_TRANSLATION_CACHE_H_ |
6 #define CHROME_BROWSER_NACL_HOST_PNACL_TRANSLATION_CACHE_H_ | 6 #define CHROME_BROWSER_NACL_HOST_PNACL_TRANSLATION_CACHE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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35 GetNexeCallback; | 35 GetNexeCallback; |
36 class PnaclTranslationCacheEntry; | 36 class PnaclTranslationCacheEntry; |
37 extern const int kMaxMemCacheSize; | 37 extern const int kMaxMemCacheSize; |
38 | 38 |
39 class PnaclTranslationCache | 39 class PnaclTranslationCache |
40 : public base::SupportsWeakPtr<PnaclTranslationCache> { | 40 : public base::SupportsWeakPtr<PnaclTranslationCache> { |
41 public: | 41 public: |
42 PnaclTranslationCache(); | 42 PnaclTranslationCache(); |
43 virtual ~PnaclTranslationCache(); | 43 virtual ~PnaclTranslationCache(); |
44 | 44 |
45 // Initialize the translation cache in |cache_dir|. | 45 // Initialize the translation cache in |cache_dir|. If the return value is |
46 // Call |callback| with a 0 argument on sucess and <0 otherwise. | 46 // net::ERR_IO_PENDING, |callback| will be called with a 0 argument on sucess |
| 47 // and <0 otherwise. |
47 int InitOnDisk(const base::FilePath& cache_dir, | 48 int InitOnDisk(const base::FilePath& cache_dir, |
48 const CompletionCallback& callback); | 49 const CompletionCallback& callback); |
49 | 50 |
50 // Initialize the translation cache in memory. | 51 // Initialize the translation cache in memory. If the return value is |
51 // Call |callback| with a 0 argument on sucess and <0 otherwise. | 52 // net::ERR_IO_PENDING, |callback| will be called with a 0 argument on sucess |
| 53 // and <0 otherwise. |
52 int InitInMemory(const CompletionCallback& callback); | 54 int InitInMemory(const CompletionCallback& callback); |
53 | 55 |
54 // Store the nexe in the translation cache. A reference to |nexe_data| is | |
55 // held until completion or cancellation. | |
56 void StoreNexe(const std::string& key, net::DrainableIOBuffer* nexe_data); | |
57 | |
58 // Store the nexe in the translation cache, and call |callback| with | 56 // Store the nexe in the translation cache, and call |callback| with |
59 // the result. The result passed to the callback is 0 on success and | 57 // the result. The result passed to the callback is 0 on success and |
60 // <0 otherwise. A reference to |nexe_data| is held until completion | 58 // <0 otherwise. A reference to |nexe_data| is held until completion |
61 // or cancellation. | 59 // or cancellation. |
62 void StoreNexe(const std::string& key, | 60 void StoreNexe(const std::string& key, |
63 net::DrainableIOBuffer* nexe_data, | 61 net::DrainableIOBuffer* nexe_data, |
64 const CompletionCallback& callback); | 62 const CompletionCallback& callback); |
65 | 63 |
66 // Retrieve the nexe from the translation cache. Write the data into |nexe| | 64 // Retrieve the nexe from the translation cache. Write the data into |nexe| |
67 // and call |callback|, passing a result code (0 on success and <0 otherwise), | 65 // and call |callback|, passing a result code (0 on success and <0 otherwise), |
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99 CompletionCallback init_callback_; | 97 CompletionCallback init_callback_; |
100 bool in_memory_; | 98 bool in_memory_; |
101 std::map<void*, scoped_refptr<PnaclTranslationCacheEntry> > open_entries_; | 99 std::map<void*, scoped_refptr<PnaclTranslationCacheEntry> > open_entries_; |
102 | 100 |
103 DISALLOW_COPY_AND_ASSIGN(PnaclTranslationCache); | 101 DISALLOW_COPY_AND_ASSIGN(PnaclTranslationCache); |
104 }; | 102 }; |
105 | 103 |
106 } // namespace pnacl | 104 } // namespace pnacl |
107 | 105 |
108 #endif // CHROME_BROWSER_NACL_HOST_PNACL_TRANSLATION_CACHE_H_ | 106 #endif // CHROME_BROWSER_NACL_HOST_PNACL_TRANSLATION_CACHE_H_ |
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