1 /* 2 * Copyright 2008-2009, Stephan Aßmus <superstippi@gmx.de> 3 * All rights reserved. Distributed under the terms of the MIT License. 4 */ 5 #ifndef COPY_ENGINE_H 6 #define COPY_ENGINE_H 7 8 9 #include <stdlib.h> 10 11 #include <Entry.h> 12 #include <File.h> 13 #include <Messenger.h> 14 15 #include "BlockingQueue.h" 16 17 class BFile; 18 class ProgressReporter; 19 20 21 class CopyEngine { 22 public: 23 CopyEngine(ProgressReporter* reporter); 24 virtual ~CopyEngine(); 25 26 void ResetTargets(); 27 status_t CollectTargets(const char* source, 28 sem_id cancelSemaphore = -1); 29 30 status_t CopyFolder(const char* source, 31 const char* destination, 32 sem_id cancelSemaphore = -1); 33 34 status_t CopyFile(const BEntry& entry, 35 const BEntry& destination, 36 sem_id cancelSemaphore = -1); 37 38 private: 39 status_t _CollectCopyInfo(const char* source, 40 int32& level, sem_id cancelSemaphore); 41 status_t _CopyFolder(const char* source, 42 const char* destination, 43 int32& level, sem_id cancelSemaphore); 44 45 bool _ShouldCopyEntry(const char* name, 46 const struct stat& statInfo, 47 int32 level) const; 48 49 bool _ShouldClobberFolder(const char* name, 50 const struct stat& statInfo, 51 int32 level) const; 52 53 status_t _RemoveFolder(BEntry& entry); 54 55 void _UpdateProgress(); 56 57 static int32 _WriteThreadEntry(void* cookie); 58 void _WriteThread(); 59 60 private: 61 enum { 62 BUFFER_COUNT = 16, 63 BUFFER_SIZE = 1024 * 1024 64 }; 65 struct Buffer { 66 Buffer(BFile* file) 67 : 68 file(file), 69 buffer(malloc(BUFFER_SIZE)), 70 size(BUFFER_SIZE), 71 validBytes(0), 72 deleteFile(false) 73 { 74 } 75 ~Buffer() 76 { 77 if (deleteFile) 78 delete file; 79 free(buffer); 80 } 81 BFile* file; 82 void* buffer; 83 size_t size; 84 size_t validBytes; 85 bool deleteFile; 86 }; 87 88 BlockingQueue<Buffer> fBufferQueue; 89 90 thread_id fWriterThread; 91 volatile bool fQuitting; 92 93 off_t fBytesRead; 94 off_t fLastBytesRead; 95 uint64 fItemsCopied; 96 uint64 fLastItemsCopied; 97 bigtime_t fTimeRead; 98 99 off_t fBytesWritten; 100 bigtime_t fTimeWritten; 101 102 off_t fBytesToCopy; 103 uint64 fItemsToCopy; 104 105 const char* fCurrentTargetFolder; 106 const char* fCurrentItem; 107 108 ProgressReporter* fProgressReporter; 109 }; 110 111 112 #endif // COPY_ENGINE_H 113