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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 COMPONENTS_NACL_BROWSER_PNACL_HOST_H_ | 5 #ifndef COMPONENTS_NACL_BROWSER_PNACL_HOST_H_ |
6 #define COMPONENTS_NACL_BROWSER_PNACL_HOST_H_ | 6 #define COMPONENTS_NACL_BROWSER_PNACL_HOST_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/callback_forward.h" | 10 #include "base/callback_forward.h" |
| 11 #include "base/files/file.h" |
11 #include "base/memory/singleton.h" | 12 #include "base/memory/singleton.h" |
12 #include "base/memory/weak_ptr.h" | 13 #include "base/memory/weak_ptr.h" |
13 #include "base/threading/thread_checker.h" | 14 #include "base/threading/thread_checker.h" |
14 #include "components/nacl/browser/nacl_file_host.h" | 15 #include "components/nacl/browser/nacl_file_host.h" |
15 #include "components/nacl/common/pnacl_types.h" | 16 #include "components/nacl/common/pnacl_types.h" |
16 #include "ipc/ipc_platform_file.h" | 17 #include "ipc/ipc_platform_file.h" |
17 | 18 |
18 namespace net { | 19 namespace net { |
19 class DrainableIOBuffer; | 20 class DrainableIOBuffer; |
20 } | 21 } |
21 | 22 |
22 namespace pnacl { | 23 namespace pnacl { |
23 | 24 |
24 class PnaclHostTest; | 25 class PnaclHostTest; |
25 class PnaclHostTestDisk; | 26 class PnaclHostTestDisk; |
26 class PnaclTranslationCache; | 27 class PnaclTranslationCache; |
27 | 28 |
28 // Shared state (translation cache) and common utilities (temp file creation) | 29 // Shared state (translation cache) and common utilities (temp file creation) |
29 // for all PNaCl translations. Unless otherwise specified, all methods should be | 30 // for all PNaCl translations. Unless otherwise specified, all methods should be |
30 // called on the IO thread. | 31 // called on the IO thread. |
31 class PnaclHost { | 32 class PnaclHost { |
32 public: | 33 public: |
33 typedef base::Callback<void(base::PlatformFile)> TempFileCallback; | 34 typedef base::Callback<void(base::File)> TempFileCallback; |
34 typedef base::Callback<void(base::PlatformFile, bool is_hit)> NexeFdCallback; | 35 typedef base::Callback<void(base::PlatformFile, bool is_hit)> NexeFdCallback; |
35 | 36 |
36 static PnaclHost* GetInstance(); | 37 static PnaclHost* GetInstance(); |
37 | 38 |
38 PnaclHost(); | 39 PnaclHost(); |
39 ~PnaclHost(); | 40 ~PnaclHost(); |
40 | 41 |
41 // Initialize cache backend. GetNexeFd will also initialize the backend if | 42 // Initialize cache backend. GetNexeFd will also initialize the backend if |
42 // necessary, but calling Init ahead of time will minimize the latency. | 43 // necessary, but calling Init ahead of time will minimize the latency. |
43 void Init(); | 44 void Init(); |
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135 | 136 |
136 static void DoCreateTemporaryFile(base::FilePath temp_dir_, | 137 static void DoCreateTemporaryFile(base::FilePath temp_dir_, |
137 TempFileCallback cb); | 138 TempFileCallback cb); |
138 | 139 |
139 // GetNexeFd common steps | 140 // GetNexeFd common steps |
140 void SendCacheQueryAndTempFileRequest(const std::string& key, | 141 void SendCacheQueryAndTempFileRequest(const std::string& key, |
141 const TranslationID& id); | 142 const TranslationID& id); |
142 void OnCacheQueryReturn(const TranslationID& id, | 143 void OnCacheQueryReturn(const TranslationID& id, |
143 int net_error, | 144 int net_error, |
144 scoped_refptr<net::DrainableIOBuffer> buffer); | 145 scoped_refptr<net::DrainableIOBuffer> buffer); |
145 void OnTempFileReturn(const TranslationID& id, base::PlatformFile fd); | 146 void OnTempFileReturn(const TranslationID& id, base::File file); |
146 void CheckCacheQueryReady(const PendingTranslationMap::iterator& entry); | 147 void CheckCacheQueryReady(const PendingTranslationMap::iterator& entry); |
147 | 148 |
148 // GetNexeFd miss path | 149 // GetNexeFd miss path |
149 void ReturnMiss(const PendingTranslationMap::iterator& entry); | 150 void ReturnMiss(const PendingTranslationMap::iterator& entry); |
150 static scoped_refptr<net::DrainableIOBuffer> CopyFileToBuffer( | 151 static scoped_refptr<net::DrainableIOBuffer> CopyFileToBuffer( |
151 base::PlatformFile fd); | 152 base::PlatformFile fd); |
152 void StoreTranslatedNexe(TranslationID id, | 153 void StoreTranslatedNexe(TranslationID id, |
153 scoped_refptr<net::DrainableIOBuffer>); | 154 scoped_refptr<net::DrainableIOBuffer>); |
154 void OnTranslatedNexeStored(const TranslationID& id, int net_error); | 155 void OnTranslatedNexeStored(const TranslationID& id, int net_error); |
155 void RequeryMatchingTranslations(const std::string& key); | 156 void RequeryMatchingTranslations(const std::string& key); |
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171 scoped_ptr<pnacl::PnaclTranslationCache> disk_cache_; | 172 scoped_ptr<pnacl::PnaclTranslationCache> disk_cache_; |
172 PendingTranslationMap pending_translations_; | 173 PendingTranslationMap pending_translations_; |
173 base::ThreadChecker thread_checker_; | 174 base::ThreadChecker thread_checker_; |
174 base::WeakPtrFactory<PnaclHost> weak_factory_; | 175 base::WeakPtrFactory<PnaclHost> weak_factory_; |
175 DISALLOW_COPY_AND_ASSIGN(PnaclHost); | 176 DISALLOW_COPY_AND_ASSIGN(PnaclHost); |
176 }; | 177 }; |
177 | 178 |
178 } // namespace pnacl | 179 } // namespace pnacl |
179 | 180 |
180 #endif // COMPONENTS_NACL_BROWSER_PNACL_HOST_H_ | 181 #endif // COMPONENTS_NACL_BROWSER_PNACL_HOST_H_ |
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