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 3 // found in the LICENSE file. 4 5 #ifndef NET_TOOLS_DUMP_CACHE_SIMPLE_CACHE_DUMPER_H_ 6 #define NET_TOOLS_DUMP_CACHE_SIMPLE_CACHE_DUMPER_H_ 7 8 #include "base/files/file_path.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "base/threading/thread.h" 11 #include "net/base/completion_callback.h" 12 13 class DiskDumper; 14 15 namespace disk_cache { 16 class Backend; 17 class Entry; 18 } // namespace disk_cache 19 20 namespace net { 21 22 class IOBufferWithSize; 23 24 // A class for dumping the contents of a disk cache to a series of text 25 // files. The files will contain the response headers, followed by the 26 // response body, as if the HTTP response were written directly to disk. 27 class SimpleCacheDumper { 28 public: 29 SimpleCacheDumper(base::FilePath input_path, base::FilePath output_path); 30 ~SimpleCacheDumper(); 31 32 // Dumps the cache to disk. Returns OK if the operation was successful, 33 // and a net error code otherwise. 34 int Run(); 35 36 private: 37 enum State { 38 STATE_NONE, 39 STATE_CREATE_CACHE, 40 STATE_CREATE_CACHE_COMPLETE, 41 STATE_OPEN_ENTRY, 42 STATE_OPEN_ENTRY_COMPLETE, 43 STATE_CREATE_ENTRY, 44 STATE_CREATE_ENTRY_COMPLETE, 45 STATE_READ_HEADERS, 46 STATE_READ_HEADERS_COMPLETE, 47 STATE_WRITE_HEADERS, 48 STATE_WRITE_HEADERS_COMPLETE, 49 STATE_READ_BODY, 50 STATE_READ_BODY_COMPLETE, 51 STATE_WRITE_BODY, 52 STATE_WRITE_BODY_COMPLETE, 53 STATE_DONE, 54 }; 55 56 int DoLoop(int rv); 57 58 int DoCreateCache(); 59 int DoCreateCacheComplete(int rv); 60 int DoOpenEntry(); 61 int DoOpenEntryComplete(int rv); 62 int DoCreateEntry(); 63 int DoCreateEntryComplete(int rv); 64 int DoReadHeaders(); 65 int DoReadHeadersComplete(int rv); 66 int DoWriteHeaders(); 67 int DoWriteHeadersComplete(int rv); 68 int DoReadBody(); 69 int DoReadBodyComplete(int rv); 70 int DoWriteBody(); 71 int DoWriteBodyComplete(int rv); 72 int DoDone(); 73 74 void OnIOComplete(int rv); 75 76 State state_; 77 base::FilePath input_path_; 78 base::FilePath output_path_; 79 scoped_ptr<disk_cache::Backend> cache_; 80 scoped_ptr<DiskDumper> writer_; 81 base::Thread* cache_thread_; 82 void* iter_; 83 disk_cache::Entry* src_entry_; 84 disk_cache::Entry* dst_entry_; 85 CompletionCallback io_callback_; 86 scoped_refptr<IOBufferWithSize> buf_; 87 int rv_; 88 89 DISALLOW_COPY_AND_ASSIGN(SimpleCacheDumper); 90 }; 91 92 } // namespace net 93 94 #endif // NET_TOOLS_DUMP_CACHE_SIMPLE_CACHE_DUMPER_H_ 95
