136 lines
3.4 KiB
C++
136 lines
3.4 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2018,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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#include "DFSTools.h"
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#include "SecondoSystem.h"
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#include <string>
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#include <libgen.h>
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#include "FileSystem.h"
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#include "StringUtils.h"
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namespace distributed2{
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extern DFSType* filesystem;
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}
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namespace dfstools{
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std::string getRemoteName(const std::string localName){
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std::string dbname = SecondoSystem::GetInstance()->GetDatabaseName();
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std::string basename = FileSystem::Basename(localName.c_str());
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return dbname+"::"+basename;
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}
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std::string getCategory(){
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return SecondoSystem::GetInstance()->GetDatabaseName();
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}
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bool getRemoteFile(const std::string& localfilename){
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if(!distributed2::filesystem){
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return false;
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}
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std::string rname = getRemoteName(localfilename);
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try{
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distributed2::filesystem->receiveFileToLocal(rname.c_str(),
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localfilename.c_str());
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return true;
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} catch(...){
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return false;
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}
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}
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bool storeRemoteFile(const std::string& localFileName){
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if(!distributed2::filesystem){
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return false;
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}
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std::string rname = getRemoteName(localFileName);
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std::string cat = getCategory();
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try{
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distributed2::filesystem->storeFileFromLocal(rname.c_str(),
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localFileName.c_str(),
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cat.c_str());
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return true;
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} catch(...){
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return false;
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}
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}
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bool deleteAllFilesInDB(){
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if(!distributed2::filesystem){
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return false;
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}
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try{
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distributed2::filesystem->deleteAllFilesOfCategory(
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getCategory().c_str());
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return true;
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} catch(...){
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return false;
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}
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}
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bool deleteAllFiles(){
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if(!distributed2::filesystem){
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return false;
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}
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try{
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distributed2::filesystem->deleteAllFiles();
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return true;
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} catch(...){
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return false;
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}
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}
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UI64 removeTempFiles(){
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if(!distributed2::filesystem){
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return 0;
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}
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try{
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std::vector<std::string> allFiles =
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distributed2::filesystem->listFileNames();
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std::string start = getRemoteName("TMP_");
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int count = 0;
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for(size_t i=0;i<allFiles.size();i++){
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std::string& file = allFiles[i];
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if(stringutils::startsWith(file, start)){
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distributed2::filesystem->deleteFile(file.c_str());
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count++;
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}
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}
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return count;
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} catch(...){
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return 0;
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}
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}
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}
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