mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
1400 lines
31 KiB
C++
1400 lines
31 KiB
C++
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/*
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* "$Id: rsdir.cc,v 1.1 2007-02-19 20:08:30 rmf24 Exp $"
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*
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* RetroShare C++ Interface.
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*
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* Copyright 2004-2007 by Robert Fernie.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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// Includes for directory creation.
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "util/rsdir.h"
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#include "util/rsstring.h"
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#include "util/rsrandom.h"
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#include "retroshare/rstypes.h"
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#include "rsthreads.h"
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#include <iostream>
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#include <algorithm>
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#include <stdio.h>
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#include <dirent.h>
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#include <openssl/sha.h>
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#include <iomanip>
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#include <sstream>
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#include <fstream>
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#include <stdexcept>
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#if defined(WIN32) || defined(__CYGWIN__)
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#include "util/rsstring.h"
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#include "wtypes.h"
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#include <winioctl.h>
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#else
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#include <errno.h>
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#endif
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/****
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* #define RSDIR_DEBUG 1
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****/
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std::string RsDirUtil::getTopDir(const std::string& dir)
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{
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std::string top;
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/* find the subdir: [/][dir1.../]<top>[/]
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*/
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int i,j;
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int len = dir.length();
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for(j = len - 1; (j > 0) && (dir[j] == '/'); j--) ;
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for(i = j; (i > 0) && (dir[i] != '/'); i--) ;
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if (dir[i] == '/')
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i++;
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for(; i <= j; i++)
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{
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top += dir[i];
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}
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return top;
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}
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const char *RsDirUtil::scanf_string_for_uint(int bytes)
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{
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const char *strgs[3] = { "%u","%lu","%llu" } ;
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//std::cerr << "RsDirUtil::scanf_string_for_uint(): returning for bytes=" << bytes << std::endl;
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if(sizeof(unsigned int) == bytes)
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return strgs[0] ;
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if(sizeof(long unsigned int) == bytes)
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return strgs[1] ;
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if(sizeof(long long unsigned int) == bytes)
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return strgs[2] ;
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std::cerr << "RsDirUtil::scanf_string_for_uint(): no corresponding scan string for "<< bytes << " bytes. This will probably cause inconsistencies." << std::endl;
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return strgs[0] ;
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}
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void RsDirUtil::removeTopDir(const std::string& dir, std::string& path)
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{
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path.clear();
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/* remove the subdir: [/][dir1.../]<top>[/]
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*/
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int j = dir.find_last_not_of('/');
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int i = dir.rfind('/', j);
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/* remove any more slashes */
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if (i > 0)
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{
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i = dir.find_last_not_of('/', i);
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}
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if (i > 0)
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{
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path.assign(dir, 0, i + 1);
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}
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}
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std::string RsDirUtil::getRootDir(const std::string& dir)
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{
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std::string root;
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/* find the subdir: [/]root[/...]
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*/
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int i,j;
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int len = dir.length();
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for(i = 0; (i < len) && (dir[i] == '/'); i++) ;
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for(j = i; (j < len) && (dir[j] != '/'); j++) ;
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if (i == j)
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return root; /* empty */
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for(; i < j; i++)
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{
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root += dir[i];
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}
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return root;
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}
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std::string RsDirUtil::removeRootDir(const std::string& path)
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{
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unsigned int i, j;
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unsigned int len = path.length();
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std::string output;
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/* chew leading '/'s */
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for(i = 0; (i < len) && (path[i] == '/'); i++) ;
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if (i == len)
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return output; /* empty string */
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for(j = i; (j < len) && (path[j] != '/'); j++) ; /* run to next '/' */
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for(; (j < len) && (path[j] == '/'); j++) ; /* chew leading '/'s */
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for(; j < len; j++)
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{
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output += path[j];
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}
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return output;
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}
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std::string RsDirUtil::removeRootDirs(const std::string& path, const std::string& root)
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{
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/* too tired */
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std::string notroot;
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unsigned int i = 0, j = 0;
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/* catch empty data */
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if ((root.length() < 1) || (path.length() < 1))
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return notroot;
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if ((path[0] == '/') && (root[0] != '/'))
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{
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i++;
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}
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for(; (i < path.length()) && (j < root.length()) && (path[i] == root[j]); i++, j++) ;
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/* should have consumed root. */
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if (j == root.length())
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{
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//std::cerr << "matched root!" << std::endl;
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}
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else
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{
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//std::cerr << "failed i: " << i << ", j: " << j << std::endl;
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//std::cerr << "root: " << root << " path: " << path << std::endl;
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return notroot;
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}
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if (path[i] == '/')
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{
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i++;
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}
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for(; i < path.length(); i++)
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{
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notroot += path[i];
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}
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//std::cerr << "Found NotRoot: " << notroot << std::endl;
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return notroot;
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}
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int RsDirUtil::breakupDirList(const std::string& path,
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std::list<std::string> &subdirs)
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{
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int start = 0;
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unsigned int i;
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for(i = 0; i < path.length(); i++)
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{
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if (path[i] == '/')
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{
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if (i - start > 0)
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{
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subdirs.push_back(path.substr(start, i-start));
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}
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start = i+1;
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}
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}
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// get the final one.
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if (i - start > 0)
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{
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subdirs.push_back(path.substr(start, i-start));
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}
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return 1;
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}
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/**** Copied and Tweaked from ftcontroller ***/
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bool RsDirUtil::fileExists(const std::string& filename)
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{
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return ( access( filename.c_str(), F_OK ) != -1 );
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}
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/**** Copied and Tweaked from ftcontroller ***/
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bool RsDirUtil::copyFile(const std::string& source,const std::string& dest)
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{
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#ifdef WINDOWS_SYS
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std::wstring sourceW;
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std::wstring destW;
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librs::util::ConvertUtf8ToUtf16(source,sourceW);
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librs::util::ConvertUtf8ToUtf16(dest,destW);
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return (CopyFileW(sourceW.c_str(), destW.c_str(), FALSE) != 0);
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#else
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FILE *in = fopen64(source.c_str(),"rb") ;
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if(in == NULL)
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{
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return false ;
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}
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FILE *out = fopen64(dest.c_str(),"wb") ;
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if(out == NULL)
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{
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fclose (in);
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return false ;
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}
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size_t s=0;
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size_t T=0;
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static const int BUFF_SIZE = 10485760 ; // 10 MB buffer to speed things up.
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void *buffer = malloc(BUFF_SIZE) ;
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bool bRet = true;
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while( (s = fread(buffer,1,BUFF_SIZE,in)) > 0)
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{
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size_t t = fwrite(buffer,1,s,out) ;
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T += t ;
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if(t != s)
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{
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bRet = false ;
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break;
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}
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}
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fclose(in) ;
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fclose(out) ;
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free(buffer) ;
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return true ;
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#endif
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}
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bool RsDirUtil::checkFile(const std::string& filename,uint64_t& file_size,bool disallow_empty_file)
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{
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int val;
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mode_t st_mode;
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#ifdef WINDOWS_SYS
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std::wstring wfilename;
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librs::util::ConvertUtf8ToUtf16(filename, wfilename);
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struct _stat buf;
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val = _wstat(wfilename.c_str(), &buf);
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st_mode = buf.st_mode;
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#else
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struct stat64 buf;
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val = stat64(filename.c_str(), &buf);
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st_mode = buf.st_mode;
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#endif
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if (val == -1)
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{
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#ifdef RSDIR_DEBUG
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std::cerr << "RsDirUtil::checkFile() ";
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std::cerr << filename << " doesn't exist" << std::endl;
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#endif
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return false;
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}
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else if (!S_ISREG(st_mode))
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{
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// Some other type - error.
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#ifdef RSDIR_DEBUG
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std::cerr << "RsDirUtil::checkFile() ";
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std::cerr << filename << " is not a Regular File" << std::endl;
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#endif
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return false;
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}
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file_size = buf.st_size ;
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if(disallow_empty_file && buf.st_size == 0)
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return false ;
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return true;
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}
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bool RsDirUtil::checkDirectory(const std::string& dir)
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{
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int val;
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mode_t st_mode;
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#ifdef WINDOWS_SYS
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std::wstring wdir;
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librs::util::ConvertUtf8ToUtf16(dir, wdir);
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struct _stat buf;
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val = _wstat(wdir.c_str(), &buf);
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st_mode = buf.st_mode;
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#else
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struct stat buf;
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val = stat(dir.c_str(), &buf);
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st_mode = buf.st_mode;
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#endif
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if (val == -1)
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{
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#ifdef RSDIR_DEBUG
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std::cerr << "RsDirUtil::checkDirectory() ";
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std::cerr << dir << " doesn't exist" << std::endl;
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#endif
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return false;
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}
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else if (!S_ISDIR(st_mode))
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{
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// Some other type - error.
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#ifdef RSDIR_DEBUG
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std::cerr << "RsDirUtil::checkDirectory() ";
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std::cerr << dir << " is not Directory" << std::endl;
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#endif
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return false;
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}
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return true;
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}
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bool RsDirUtil::checkCreateDirectory(const std::string& dir)
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{
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#ifdef RSDIR_DEBUG
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std::cerr << "RsDirUtil::checkCreateDirectory() dir: " << dir << std::endl;
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#endif
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#ifdef WINDOWS_SYS
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std::wstring wdir;
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librs::util::ConvertUtf8ToUtf16(dir, wdir);
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_WDIR *direc = _wopendir(wdir.c_str());
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if (!direc)
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#else
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DIR *direc = opendir(dir.c_str());
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if (!direc)
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#endif
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{
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// directory don't exist. create.
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/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
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#ifndef WINDOWS_SYS // UNIX
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if (-1 == mkdir(dir.c_str(), 0777))
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#else // WIN
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if (-1 == _wmkdir(wdir.c_str()))
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#endif
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/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
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{
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#ifdef RSDIR_DEBUG
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std::cerr << "check_create_directory() Fatal Error et oui--";
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std::cerr <<std::endl<< "\tcannot create:" <<dir<<std::endl;
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#endif
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return 0;
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}
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#ifdef RSDIR_DEBUG
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std::cerr << "check_create_directory()";
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std::cerr <<std::endl<< "\tcreated:" <<dir<<std::endl;
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#endif
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return 1;
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}
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#ifdef RSDIR_DEBUG
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std::cerr << "check_create_directory()";
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std::cerr <<std::endl<< "\tDir Exists:" <<dir<<std::endl;
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#endif
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#ifdef WINDOWS_SYS
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_wclosedir(direc);
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#else
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closedir(direc) ;
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#endif
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return 1;
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}
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bool RsDirUtil::cleanupDirectory(const std::string& cleandir, const std::set<std::string> &keepFiles)
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{
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/* check for the dir existance */
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#ifdef WINDOWS_SYS
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std::wstring wcleandir;
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librs::util::ConvertUtf8ToUtf16(cleandir, wcleandir);
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_WDIR *dir = _wopendir(wcleandir.c_str());
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#else
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DIR *dir = opendir(cleandir.c_str());
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#endif
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if (!dir)
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{
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return false;
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}
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#ifdef WINDOWS_SYS
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struct _wdirent *dent;
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struct _stat buf;
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while(NULL != (dent = _wreaddir(dir)))
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#else
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struct dirent *dent;
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struct stat buf;
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while(NULL != (dent = readdir(dir)))
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#endif
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{
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/* check entry type */
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#ifdef WINDOWS_SYS
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const std::wstring &wfname = dent -> d_name;
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std::wstring wfullname = wcleandir + L"/" + wfname;
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#else
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const std::string &fname = dent -> d_name;
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std::string fullname = cleandir + "/" + fname;
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#endif
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#ifdef WINDOWS_SYS
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if (-1 != _wstat(wfullname.c_str(), &buf))
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#else
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if (-1 != stat(fullname.c_str(), &buf))
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#endif
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{
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/* only worry about files */
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if (S_ISREG(buf.st_mode))
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{
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#ifdef WINDOWS_SYS
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std::string fname;
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librs::util::ConvertUtf16ToUtf8(wfname, fname);
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#endif
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/* check if we should keep it */
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if (keepFiles.end() == std::find(keepFiles.begin(), keepFiles.end(), fname))
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{
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/* can remove */
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#ifdef WINDOWS_SYS
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_wremove(wfullname.c_str());
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#else
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remove(fullname.c_str());
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#endif
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}
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}
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}
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}
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/* close directory */
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#ifdef WINDOWS_SYS
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_wclosedir(dir);
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#else
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closedir(dir);
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#endif
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return true;
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}
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/* faster cleanup - first construct two sets - then iterate over together */
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bool RsDirUtil::cleanupDirectoryFaster(const std::string& cleandir, const std::set<std::string> &keepFiles)
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{
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/* check for the dir existance */
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#ifdef WINDOWS_SYS
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std::map<std::string, std::wstring> fileMap;
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std::map<std::string, std::wstring>::const_iterator fit;
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std::wstring wcleandir;
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librs::util::ConvertUtf8ToUtf16(cleandir, wcleandir);
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_WDIR *dir = _wopendir(wcleandir.c_str());
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#else
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std::map<std::string, std::string> fileMap;
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std::map<std::string, std::string>::const_iterator fit;
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DIR *dir = opendir(cleandir.c_str());
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#endif
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if (!dir)
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{
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return false;
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}
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#ifdef WINDOWS_SYS
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struct _wdirent *dent;
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struct _stat buf;
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while(NULL != (dent = _wreaddir(dir)))
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{
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const std::wstring &wfname = dent -> d_name;
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std::wstring wfullname = wcleandir + L"/" + wfname;
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if (-1 != _wstat(wfullname.c_str(), &buf))
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{
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/* only worry about files */
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if (S_ISREG(buf.st_mode))
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{
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std::string fname;
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librs::util::ConvertUtf16ToUtf8(wfname, fname);
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fileMap[fname] = wfullname;
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}
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}
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}
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#else
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struct dirent *dent;
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struct stat buf;
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while(NULL != (dent = readdir(dir)))
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{
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const std::string &fname = dent -> d_name;
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std::string fullname = cleandir + "/" + fname;
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if (-1 != stat(fullname.c_str(), &buf))
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{
|
|
/* only worry about files */
|
|
if (S_ISREG(buf.st_mode))
|
|
{
|
|
fileMap[fname] = fullname;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
std::set<std::string>::const_iterator kit;
|
|
|
|
fit = fileMap.begin();
|
|
kit = keepFiles.begin();
|
|
|
|
while(fit != fileMap.end() && kit != keepFiles.end())
|
|
{
|
|
if (fit->first < *kit) // fit is not in keep list;
|
|
{
|
|
#ifdef WINDOWS_SYS
|
|
_wremove(fit->second.c_str());
|
|
#else
|
|
remove(fit->second.c_str());
|
|
#endif
|
|
++fit;
|
|
}
|
|
else if (*kit < fit->first) // keepitem doesn't exist.
|
|
{
|
|
++kit;
|
|
}
|
|
else // in keep list.
|
|
{
|
|
++fit;
|
|
++kit;
|
|
}
|
|
}
|
|
|
|
// cleanup extra that aren't in keep list.
|
|
while(fit != fileMap.end())
|
|
{
|
|
#ifdef WINDOWS_SYS
|
|
_wremove(fit->second.c_str());
|
|
#else
|
|
remove(fit->second.c_str());
|
|
#endif
|
|
++fit;
|
|
}
|
|
|
|
/* close directory */
|
|
#ifdef WINDOWS_SYS
|
|
_wclosedir(dir);
|
|
#else
|
|
closedir(dir);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* slightly nicer helper function */
|
|
bool RsDirUtil::hashFile(const std::string& filepath,
|
|
std::string &name, RsFileHash &hash, uint64_t &size)
|
|
{
|
|
if (getFileHash(filepath, hash, size))
|
|
{
|
|
/* extract file name */
|
|
name = RsDirUtil::getTopDir(filepath);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
#include <openssl/sha.h>
|
|
#include <iomanip>
|
|
|
|
/* Function to hash, and get details of a file */
|
|
bool RsDirUtil::getFileHash(const std::string& filepath, RsFileHash &hash, uint64_t &size, RsThread *thread /*= NULL*/)
|
|
{
|
|
FILE *fd;
|
|
|
|
if (NULL == (fd = RsDirUtil::rs_fopen(filepath.c_str(), "rb")))
|
|
return false;
|
|
|
|
int len;
|
|
SHA_CTX *sha_ctx = new SHA_CTX;
|
|
unsigned char sha_buf[SHA_DIGEST_LENGTH];
|
|
unsigned char gblBuf[512];
|
|
|
|
/* determine size */
|
|
fseeko64(fd, 0, SEEK_END);
|
|
size = ftello64(fd);
|
|
fseeko64(fd, 0, SEEK_SET);
|
|
|
|
/* check if thread is running */
|
|
bool isRunning = thread ? thread->isRunning() : true;
|
|
int runningCheckCount = 0;
|
|
|
|
SHA1_Init(sha_ctx);
|
|
while(isRunning && (len = fread(gblBuf,1, 512, fd)) > 0)
|
|
{
|
|
SHA1_Update(sha_ctx, gblBuf, len);
|
|
|
|
if (thread && ++runningCheckCount > (10 * 1024)) {
|
|
/* check all 50MB if thread is running */
|
|
isRunning = thread->isRunning();
|
|
runningCheckCount = 0;
|
|
}
|
|
}
|
|
|
|
/* Thread has ended */
|
|
if (isRunning == false)
|
|
{
|
|
delete sha_ctx;
|
|
fclose(fd);
|
|
return false;
|
|
}
|
|
|
|
/* reading failed for some reason */
|
|
if (ferror(fd))
|
|
{
|
|
delete sha_ctx;
|
|
fclose(fd);
|
|
return false;
|
|
}
|
|
|
|
SHA1_Final(&sha_buf[0], sha_ctx);
|
|
|
|
hash = Sha1CheckSum(sha_buf);
|
|
|
|
delete sha_ctx;
|
|
fclose(fd);
|
|
return true;
|
|
}
|
|
|
|
/* Function to hash, and get details of a file */
|
|
Sha1CheckSum RsDirUtil::sha1sum(const unsigned char *data, uint32_t size)
|
|
{
|
|
SHA_CTX sha_ctx ;
|
|
|
|
if(SHA_DIGEST_LENGTH != 20)
|
|
throw std::runtime_error("Warning: can't compute Sha1Sum with sum size != 20") ;
|
|
|
|
SHA1_Init(&sha_ctx);
|
|
while(size > 512)
|
|
{
|
|
SHA1_Update(&sha_ctx, data, 512);
|
|
data = &data[512] ;
|
|
size -= 512 ;
|
|
}
|
|
SHA1_Update(&sha_ctx, data, size);
|
|
|
|
unsigned char sha_buf[SHA_DIGEST_LENGTH];
|
|
SHA1_Final(&sha_buf[0], &sha_ctx);
|
|
|
|
return Sha1CheckSum(sha_buf) ;
|
|
}
|
|
|
|
bool RsDirUtil::saveStringToFile(const std::string &file, const std::string &str)
|
|
{
|
|
std::ofstream out(file.c_str(), std::ios_base::out | std::ios_base::binary);
|
|
if(!out.is_open())
|
|
{
|
|
std::cerr << "RsDirUtil::saveStringToFile() ERROR: can't open file " << file << std::endl;
|
|
return false;
|
|
}
|
|
out << str;
|
|
return true;
|
|
}
|
|
|
|
bool RsDirUtil::loadStringFromFile(const std::string &file, std::string &str)
|
|
{
|
|
std::ifstream in(file.c_str(), std::ios_base::in | std::ios_base::binary);
|
|
if(!in.is_open())
|
|
{
|
|
std::cerr << "RsDirUtil::loadStringFromFile() ERROR: can't open file " << file << std::endl;
|
|
return false;
|
|
}
|
|
std::stringstream buffer;
|
|
buffer << in.rdbuf();
|
|
str = buffer.str();
|
|
return true;
|
|
}
|
|
|
|
bool RsDirUtil::renameFile(const std::string& from, const std::string& to)
|
|
{
|
|
int loops = 0;
|
|
|
|
#ifdef WINDOWS_SYS
|
|
std::wstring f;
|
|
librs::util::ConvertUtf8ToUtf16(from, f);
|
|
std::wstring t;
|
|
librs::util::ConvertUtf8ToUtf16(to, t);
|
|
|
|
while (!MoveFileEx(f.c_str(), t.c_str(), MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH))
|
|
#else
|
|
std::string f(from),t(to) ;
|
|
|
|
while (rename(from.c_str(), to.c_str()) < 0)
|
|
#endif
|
|
{
|
|
#ifdef WIN32
|
|
if (GetLastError() != ERROR_ACCESS_DENIED)
|
|
#else
|
|
if (errno != EACCES)
|
|
#endif
|
|
/* set errno? */
|
|
return false ;
|
|
usleep(100 * 1000); // 100 msec
|
|
|
|
if (loops >= 30)
|
|
return false ;
|
|
|
|
loops++;
|
|
}
|
|
|
|
return true ;
|
|
}
|
|
|
|
#ifdef UNUSED_CODE
|
|
// not used
|
|
bool RsDirUtil::createBackup (const std::string& sFilename, unsigned int nCount)
|
|
{
|
|
#ifdef WINDOWS_SYS
|
|
if (GetFileAttributesA (sFilename.c_str ()) == -1) {
|
|
// file doesn't exist
|
|
return true;
|
|
}
|
|
|
|
// search last backup
|
|
int nLast;
|
|
for (nLast = nCount; nLast >= 1; nLast--) {
|
|
std::ostringstream sStream; // please do not use std::ostringstream
|
|
sStream << sFilename << nLast << ".bak";
|
|
|
|
if (GetFileAttributesA (sStream.str ().c_str ()) != -1) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// delete max backup
|
|
if (nLast == nCount) {
|
|
std::ostringstream sStream; // please do not use std::ostringstream
|
|
sStream << sFilename << nCount << ".bak";
|
|
if (DeleteFileA (sStream.str ().c_str ()) == FALSE) {
|
|
getPqiNotify()->AddSysMessage (0, RS_SYS_WARNING, "File delete error", "Error while deleting file " + sStream.str ());
|
|
return false;
|
|
}
|
|
nLast--;
|
|
}
|
|
|
|
// rename backups
|
|
for (int nIndex = nLast; nIndex >= 1; nIndex--) {
|
|
std::ostringstream sStream; // please do not use std::ostringstream
|
|
sStream << sFilename << nIndex << ".bak";
|
|
std::ostringstream sStream1; // please do not use std::ostringstream
|
|
sStream1 << sFilename << nIndex + 1 << ".bak";
|
|
|
|
if (renameFile (sStream.str (), sStream1.str ()) == false) {
|
|
getPqiNotify()->AddSysMessage (0, RS_SYS_WARNING, "File rename error", "Error while renaming file " + sStream.str () + " to " + sStream1.str ());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// copy backup
|
|
std::ostringstream sStream; // please do not use std::ostringstream
|
|
sStream << sFilename << 1 << ".bak";
|
|
if (CopyFileA (sFilename.c_str (), sStream.str ().c_str (), FALSE) == FALSE) {
|
|
getPqiNotify()->AddSysMessage (0, RS_SYS_WARNING, "File rename error", "Error while renaming file " + sFilename + " to " + sStream.str ());
|
|
return false;
|
|
}
|
|
#else
|
|
/* remove unused parameter warnings */
|
|
(void) sFilename;
|
|
(void) nCount;
|
|
#endif
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
FILE *RsDirUtil::rs_fopen(const char* filename, const char* mode)
|
|
{
|
|
#ifdef WINDOWS_SYS
|
|
std::wstring wfilename;
|
|
librs::util::ConvertUtf8ToUtf16(filename, wfilename);
|
|
std::wstring wmode;
|
|
librs::util::ConvertUtf8ToUtf16(mode, wmode);
|
|
|
|
return _wfopen(wfilename.c_str(), wmode.c_str());
|
|
#else
|
|
return fopen64(filename, mode);
|
|
#endif
|
|
}
|
|
|
|
std::string RsDirUtil::convertPathToUnix(std::string path)
|
|
{
|
|
for (unsigned int i = 0; i < path.length(); i++)
|
|
{
|
|
if (path[i] == '\\')
|
|
path[i] = '/';
|
|
}
|
|
return path;
|
|
}
|
|
|
|
std::string RsDirUtil::makePath(const std::string &path1, const std::string &path2)
|
|
{
|
|
std::string path = path1;
|
|
|
|
if (path.empty() == false && *path.rbegin() != '/') {
|
|
path += "/";
|
|
}
|
|
path += path2;
|
|
|
|
return path;
|
|
}
|
|
|
|
int RsDirUtil::createLockFile(const std::string& lock_file_path, rs_lock_handle_t &lock_handle)
|
|
{
|
|
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
|
|
#ifndef WINDOWS_SYS
|
|
// Suspended. The user should make sure he's not already using the file descriptor.
|
|
// if(lock_handle != -1)
|
|
// close(lock_handle);
|
|
|
|
// open the file in write mode, create it if necessary, truncate it (it should be empty)
|
|
lock_handle = open(lock_file_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
|
|
|
|
if(lock_handle == -1)
|
|
{
|
|
std::cerr << "Could not open lock file " << lock_file_path.c_str() << std::flush;
|
|
perror(NULL);
|
|
return 2;
|
|
}
|
|
|
|
// see "man fcntl" for the details, in short: non blocking lock creation on the whole file contents
|
|
struct flock lockDetails;
|
|
lockDetails.l_type = F_WRLCK;
|
|
lockDetails.l_whence = SEEK_SET;
|
|
lockDetails.l_start = 0;
|
|
lockDetails.l_len = 0;
|
|
|
|
if(fcntl(lock_handle, F_SETLK, &lockDetails) == -1)
|
|
{
|
|
int fcntlErr = errno;
|
|
std::cerr << "Could not request lock on file " << lock_file_path.c_str() << std::flush;
|
|
perror(NULL);
|
|
|
|
// there's no lock so let's release the file handle immediately
|
|
close(lock_handle);
|
|
lock_handle = -1;
|
|
|
|
if(fcntlErr == EACCES || fcntlErr == EAGAIN)
|
|
return 1;
|
|
else
|
|
return 2;
|
|
}
|
|
|
|
return 0;
|
|
#else
|
|
// Suspended. The user should make sure he's not already using the file descriptor.
|
|
//
|
|
// if (lock_handle) {
|
|
// CloseHandle(lock_handle);
|
|
// }
|
|
|
|
std::wstring wlockFile;
|
|
librs::util::ConvertUtf8ToUtf16(lock_file_path, wlockFile);
|
|
|
|
// open the file in write mode, create it if necessary
|
|
lock_handle = CreateFile(wlockFile.c_str(), GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
|
|
|
|
if (lock_handle == INVALID_HANDLE_VALUE)
|
|
{
|
|
DWORD lasterror = GetLastError();
|
|
|
|
std::cerr << "Could not open lock file " << lock_file_path.c_str() << std::endl;
|
|
std::cerr << "Last error: " << lasterror << std::endl << std::flush;
|
|
perror(NULL);
|
|
|
|
if (lasterror == ERROR_SHARING_VIOLATION || lasterror == ERROR_ACCESS_DENIED)
|
|
return 1;
|
|
|
|
return 2;
|
|
}
|
|
|
|
return 0;
|
|
#endif
|
|
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
|
|
}
|
|
|
|
void RsDirUtil::releaseLockFile(rs_lock_handle_t lockHandle)
|
|
{
|
|
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
|
|
#ifndef WINDOWS_SYS
|
|
if(lockHandle != -1)
|
|
{
|
|
close(lockHandle);
|
|
lockHandle = -1;
|
|
}
|
|
#else
|
|
if(lockHandle)
|
|
{
|
|
CloseHandle(lockHandle);
|
|
lockHandle = 0;
|
|
}
|
|
#endif
|
|
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
|
|
}
|
|
|
|
RsStackFileLock::RsStackFileLock(const std::string& file_path)
|
|
{
|
|
while(RsDirUtil::createLockFile(file_path,_file_handle))
|
|
{
|
|
std::cerr << "Cannot acquire file lock " << file_path << ", waiting 1 sec." << std::endl;
|
|
usleep(1 * 1000 * 1000) ; // 1 sec
|
|
}
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "Acquired file handle " << _file_handle << ", lock file:" << file_path << std::endl;
|
|
#endif
|
|
}
|
|
RsStackFileLock::~RsStackFileLock()
|
|
{
|
|
RsDirUtil::releaseLockFile(_file_handle) ;
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "Released file lock with handle " << _file_handle << std::endl;
|
|
#endif
|
|
}
|
|
|
|
#if 0 // NOT ENABLED YET!
|
|
/************************* WIDE STRING ***************************/
|
|
/************************* WIDE STRING ***************************/
|
|
/************************* WIDE STRING ***************************/
|
|
|
|
std::wstring RsDirUtil::getWideTopDir(std::wstring dir)
|
|
{
|
|
std::wstring top;
|
|
|
|
/* find the subdir: [/][dir1.../]<top>[/]
|
|
*/
|
|
int i,j;
|
|
int len = dir.length();
|
|
for(j = len - 1; (j > 0) && (dir[j] == '/'); j--);
|
|
for(i = j; (i > 0) && (dir[i] != '/'); i--);
|
|
|
|
if (dir[i] == '/')
|
|
i++;
|
|
|
|
for(; i <= j; i++)
|
|
{
|
|
top += dir[i];
|
|
}
|
|
|
|
return top;
|
|
}
|
|
|
|
std::wstring RsDirUtil::removeWideTopDir(std::wstring dir)
|
|
{
|
|
std::wstring rest;
|
|
|
|
/* remove the subdir: [/][dir1.../]<top>[/]
|
|
*/
|
|
int i,j;
|
|
int len = dir.length();
|
|
for(j = len - 1; (j > 0) && (dir[j] == '/'); j--);
|
|
for(i = j; (i >= 0) && (dir[i] != '/'); i--);
|
|
|
|
/* remove any more slashes */
|
|
for(; (i >= 0) && (dir[i] == '/'); i--);
|
|
|
|
for(j = 0; j <= i; j++)
|
|
{
|
|
rest += dir[j];
|
|
}
|
|
|
|
return rest;
|
|
}
|
|
|
|
std::wstring RsDirUtil::getWideRootDir(std::wstring dir)
|
|
{
|
|
std::wstring root;
|
|
|
|
/* find the subdir: [/]root[/...]
|
|
*/
|
|
int i,j;
|
|
int len = dir.length();
|
|
for(i = 0; (i < len) && (dir[i] == '/'); i++);
|
|
for(j = i; (j < len) && (dir[j] != '/'); j++);
|
|
if (i == j)
|
|
return root; /* empty */
|
|
for(; i < j; i++)
|
|
{
|
|
root += dir[i];
|
|
}
|
|
return root;
|
|
}
|
|
|
|
std::wstring RsDirUtil::removeWideRootDir(std::wstring path)
|
|
{
|
|
unsigned int i, j;
|
|
unsigned int len = path.length();
|
|
std::wstring output;
|
|
|
|
/* chew leading '/'s */
|
|
for(i = 0; (i < len) && (path[i] == '/'); i++);
|
|
if (i == len)
|
|
return output; /* empty string */
|
|
|
|
for(j = i; (j < len) && (path[j] != '/'); j++); /* run to next '/' */
|
|
for(; (j < len) && (path[j] == '/'); j++); /* chew leading '/'s */
|
|
|
|
for(; j < len; j++)
|
|
{
|
|
output += path[j];
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
std::wstring RsDirUtil::removeWideRootDirs(std::wstring path, std::wstring root)
|
|
{
|
|
/* too tired */
|
|
std::wstring notroot;
|
|
|
|
unsigned int i = 0, j = 0;
|
|
|
|
/* catch empty data */
|
|
if ((root.length() < 1) || (path.length() < 1))
|
|
return notroot;
|
|
|
|
if ((path[0] == '/') && (root[0] != '/'))
|
|
{
|
|
i++;
|
|
}
|
|
|
|
for(; (i < path.length()) && (j < root.length()) && (path[i] == root[j]); i++, j++);
|
|
|
|
/* should have consumed root. */
|
|
if (j == root.length())
|
|
{
|
|
//std::cerr << "matched root!" << std::endl;
|
|
}
|
|
else
|
|
{
|
|
//std::cerr << "failed i: " << i << ", j: " << j << std::endl;
|
|
//std::cerr << "root: " << root << " path: " << path << std::endl;
|
|
return notroot;
|
|
}
|
|
|
|
if (path[i] == '/')
|
|
{
|
|
i++;
|
|
}
|
|
|
|
for(; i < path.length(); i++)
|
|
{
|
|
notroot += path[i];
|
|
}
|
|
|
|
//std::cerr << "Found NotRoot: " << notroot << std::endl;
|
|
|
|
return notroot;
|
|
}
|
|
|
|
|
|
|
|
int RsDirUtil::breakupWideDirList(std::wstring path,
|
|
std::list<std::wstring> &subdirs)
|
|
{
|
|
int start = 0;
|
|
unsigned int i;
|
|
for(i = 0; i < path.length(); i++)
|
|
{
|
|
if (path[i] == '/')
|
|
{
|
|
if (i - start > 0)
|
|
{
|
|
subdirs.push_back(path.substr(start, i-start));
|
|
}
|
|
start = i+1;
|
|
}
|
|
}
|
|
// get the final one.
|
|
if (i - start > 0)
|
|
{
|
|
subdirs.push_back(path.substr(start, i-start));
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
|
|
bool RsDirUtil::checkWideDirectory(std::wstring dir)
|
|
{
|
|
struct stat buf;
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::string d(dir.begin(), dir.end());
|
|
int val = stat(d.c_str(), &buf);
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
if (val == -1)
|
|
{
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "RsDirUtil::checkDirectory() ";
|
|
std::cerr << d << " doesn't exist" << std::endl;
|
|
#endif
|
|
return false;
|
|
}
|
|
else if (!S_ISDIR(buf.st_mode))
|
|
{
|
|
// Some other type - error.
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "RsDirUtil::checkDirectory() ";
|
|
std::cerr << d << " is not Directory" << std::endl;
|
|
#endif
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool RsDirUtil::checkWideCreateDirectory(std::wstring dir)
|
|
{
|
|
struct stat buf;
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::string d(dir.begin(), dir.end());
|
|
int val = stat(d.c_str(), &buf);
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
if (val == -1)
|
|
{
|
|
// directory don't exist. create.
|
|
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
|
|
#ifndef WINDOWS_SYS // UNIX
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
if (-1 == mkdir(d.c_str(), 0777))
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
#else // WIN
|
|
if (-1 == mkdir(d.c_str()))
|
|
#endif
|
|
/******************************** WINDOWS/UNIX SPECIFIC PART ******************/
|
|
|
|
{
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "check_create_directory() Fatal Error --";
|
|
std::cerr <<std::endl<< "\tcannot create:" <<d<<std::endl;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "check_create_directory()";
|
|
std::cerr <<std::endl<< "\tcreated:" <<d<<std::endl;
|
|
#endif
|
|
}
|
|
else if (!S_ISDIR(buf.st_mode))
|
|
{
|
|
// Some other type - error.
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr<<"check_create_directory() Fatal Error --";
|
|
std::cerr<<std::endl<<"\t"<<d<<" is nor Directory"<<std::endl;
|
|
#endif
|
|
return 0;
|
|
}
|
|
#ifdef RSDIR_DEBUG
|
|
std::cerr << "check_create_directory()";
|
|
std::cerr <<std::endl<< "\tDir Exists:" <<d<<std::endl;
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
|
|
|
|
#include <dirent.h>
|
|
|
|
bool RsDirUtil::cleanupWideDirectory(std::wstring cleandir, std::list<std::wstring> keepFiles)
|
|
{
|
|
|
|
/* check for the dir existance */
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::string cd(cleandir.begin(), cleandir.end());
|
|
DIR *dir = opendir(cd.c_str());
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::list<std::wstring>::const_iterator it;
|
|
|
|
if (!dir)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
struct dirent *dent;
|
|
struct stat buf;
|
|
|
|
while(NULL != (dent = readdir(dir)))
|
|
{
|
|
/* check entry type */
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::string fname(dent -> d_name);
|
|
std::wstring wfname(fname.begin(), fname.end());
|
|
std::string fullname = cd + "/" + fname;
|
|
|
|
if (-1 != stat(fullname.c_str(), &buf))
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
{
|
|
/* only worry about files */
|
|
if (S_ISREG(buf.st_mode))
|
|
{
|
|
/* check if we should keep it */
|
|
if (keepFiles.end() == (it = std::find(keepFiles.begin(), keepFiles.end(), wfname)))
|
|
{
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
/* can remove */
|
|
remove(fullname.c_str());
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* close directory */
|
|
closedir(dir);
|
|
|
|
return true;
|
|
}
|
|
|
|
/* slightly nicer helper function */
|
|
bool RsDirUtil::hashWideFile(std::wstring filepath,
|
|
std::wstring &name, std::string &hash, uint64_t &size)
|
|
{
|
|
if (getWideFileHash(filepath, hash, size))
|
|
{
|
|
/* extract file name */
|
|
name = RsDirUtil::getWideTopDir(filepath);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
#include <openssl/sha.h>
|
|
#include <sstream>
|
|
#include <iomanip>
|
|
|
|
/* Function to hash, and get details of a file */
|
|
bool RsDirUtil::getWideFileHash(std::wstring filepath,
|
|
std::string &hash, uint64_t &size)
|
|
{
|
|
FILE *fd;
|
|
int len;
|
|
SHA_CTX *sha_ctx = new SHA_CTX;
|
|
unsigned char sha_buf[SHA_DIGEST_LENGTH];
|
|
unsigned char gblBuf[512];
|
|
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::string fp(filepath.begin(), filepath.end());
|
|
|
|
if (NULL == (fd = fopen64(fp.c_str(), "rb")))
|
|
return false;
|
|
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
|
|
/* determine size */
|
|
fseeko64(fd, 0, SEEK_END);
|
|
size = ftello64(fd);
|
|
fseeko64(fd, 0, SEEK_SET);
|
|
|
|
SHA1_Init(sha_ctx);
|
|
while((len = fread(gblBuf,1, 512, fd)) > 0)
|
|
{
|
|
SHA1_Update(sha_ctx, gblBuf, len);
|
|
}
|
|
|
|
/* reading failed for some reason */
|
|
if (ferror(fd))
|
|
{
|
|
delete sha_ctx;
|
|
fclose(fd);
|
|
return false;
|
|
}
|
|
|
|
SHA1_Final(&sha_buf[0], sha_ctx);
|
|
|
|
std::ostringstream tmpout; // please do not use std::ostringstream
|
|
for(int i = 0; i < SHA_DIGEST_LENGTH; i++)
|
|
{
|
|
tmpout << std::setw(2) << std::setfill('0') << std::hex << (unsigned int) (sha_buf[i]);
|
|
}
|
|
hash = tmpout.str();
|
|
|
|
delete sha_ctx;
|
|
fclose(fd);
|
|
return true;
|
|
}
|
|
|
|
bool RsDirUtil::renameWideFile(const std::wstring& from, const std::wstring& to)
|
|
{
|
|
int loops = 0;
|
|
|
|
#if defined(WIN32) || defined(MINGW) || defined(__CYGWIN__)
|
|
#ifdef WIN_CROSS_UBUNTU
|
|
std::wstring f,t ;
|
|
for(int i=0;i<from.size();++i) f.push_back(from[i]) ;
|
|
for(int i=0;i<to.size();++i) t.push_back(to[i]) ;
|
|
#else
|
|
std::wstring f(from),t(to) ;
|
|
#endif
|
|
while (!MoveFileEx(f.c_str(), t.c_str(), MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH))
|
|
#else
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
std::string f(from.begin(), from.end());
|
|
std::string t(to.begin(), to.end());
|
|
while (rename(f.c_str(), t.c_str()) < 0)
|
|
/***** XXX TO MAKE WIDE SYSTEM CALL ******************************************************/
|
|
#endif
|
|
{
|
|
#ifdef WIN32
|
|
if (GetLastError() != ERROR_ACCESS_DENIED)
|
|
#else
|
|
if (errno != EACCES)
|
|
#endif
|
|
/* set errno? */
|
|
return false ;
|
|
usleep(100 * 1000); //100 msec
|
|
|
|
if (loops >= 30)
|
|
return false ;
|
|
|
|
loops++;
|
|
}
|
|
|
|
return true ;
|
|
}
|
|
|
|
|
|
#endif // WIDE STUFF NOT ENABLED YET!
|