mirror of
https://github.com/uroni/urbackup_backend.git
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93 lines
1.6 KiB
C++
93 lines
1.6 KiB
C++
#ifndef IFILE_H
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#define IFILE_H
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#include <string>
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#include "Types.h"
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#include "Object.h"
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#include "Server.h"
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const int MODE_READ=0;
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const int MODE_WRITE=1;
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const int MODE_APPEND=2;
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const int MODE_RW=3;
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const int MODE_RW_CREATE=5;
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const int MODE_READ_DEVICE=6;
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const int MODE_READ_SEQUENTIAL=7;
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const int MODE_READ_SEQUENTIAL_BACKUP=8;
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const int MODE_RW_SEQUENTIAL=9;
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//Linux only
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const int MODE_RW_READNONE=10;
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class IFile : public IObject
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{
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public:
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virtual std::string Read(_u32 tr)=0;
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virtual _u32 Read(char* buffer, _u32 bsize)=0;
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virtual _u32 Write(const std::string &tw)=0;
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virtual _u32 Write(const char* buffer, _u32 bsize)=0;
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virtual bool Seek(_i64 spos)=0;
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virtual _i64 Size(void)=0;
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virtual std::string getFilename(void)=0;
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virtual std::wstring getFilenameW(void)=0;
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};
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class ScopedDeleteFile
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{
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public:
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ScopedDeleteFile(IFile *file)
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: file(file) {}
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~ScopedDeleteFile(void){
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del();
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}
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void clear() {
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del();
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}
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void reset(IFile *pfile) {
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del();
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file=pfile;
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}
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void release() {
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file=NULL;
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}
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private:
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void del() {
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if(file!=NULL) {
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std::wstring tmpfn=file->getFilenameW();
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file->Remove();
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Server->deleteFile(tmpfn);
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}
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file=NULL;
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}
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IFile *file;
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};
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namespace
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{
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std::string readToString(IFile* f)
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{
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std::string ret;
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ret.resize(static_cast<size_t>(f->Size()));
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f->Seek(0);
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size_t pos = 0;
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while (pos < static_cast<size_t>(f->Size()) )
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{
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_u32 r = f->Read(&ret[pos], static_cast<_u32>(f->Size())-static_cast<_u32>(pos));
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if(r==0)
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{
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break;
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}
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pos += r;
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}
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if(pos!=f->Size())
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{
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ret.resize(pos);
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}
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return ret;
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}
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}
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#endif //IFILE_H
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