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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef OPENFILES_H
#define OPENFILES_H
#include <Vector.hpp>
class OpenFiles
{
public:
OpenFiles(){ }
/* Get a pointer to the file with id */
AsyncFile* find(Uint16 id) const;
/* Insert file with id */
bool insert(AsyncFile* file, Uint16 id);
/* Erase file with id */
bool erase(Uint16 id);
/* Get number of open files */
unsigned size();
Uint16 getId(unsigned i);
AsyncFile* getFile(unsigned i);
private:
class OpenFileItem {
public:
OpenFileItem(): m_file(NULL), m_id(0){};
AsyncFile* m_file;
Uint16 m_id;
};
Vector<OpenFileItem> m_files;
};
//*****************************************************************************
inline AsyncFile* OpenFiles::find(Uint16 id) const {
for (unsigned i = 0; i < m_files.size(); i++){
if (m_files[i].m_id == id){
return m_files[i].m_file;
}
}
return NULL;
}
//*****************************************************************************
inline bool OpenFiles::erase(Uint16 id){
for (unsigned i = 0; i < m_files.size(); i++){
if (m_files[i].m_id == id){
m_files.erase(i);
return true;
}
}
// Item was not found in list
return false;
}
//*****************************************************************************
inline bool OpenFiles::insert(AsyncFile* file, Uint16 id){
// Check if file has already been opened
for (unsigned i = 0; i < m_files.size(); i++){
if(m_files[i].m_file == NULL)
continue;
if(strcmp(m_files[i].m_file->theFileName.c_str(),
file->theFileName.c_str()) == 0)
{
BaseString names;
names.assfmt("open: >%s< existing: >%s<",
file->theFileName.c_str(),
m_files[i].m_file->theFileName.c_str());
ERROR_SET(fatal, NDBD_EXIT_AFS_ALREADY_OPEN, names.c_str(),
"OpenFiles::insert()");
}
}
// Insert the file into vector
OpenFileItem openFile;
openFile.m_id = id;
openFile.m_file = file;
m_files.push_back(openFile);
return true;
}
//*****************************************************************************
inline Uint16 OpenFiles::getId(unsigned i){
return m_files[i].m_id;
}
//*****************************************************************************
inline AsyncFile* OpenFiles::getFile(unsigned i){
return m_files[i].m_file;
}
//*****************************************************************************
inline unsigned OpenFiles::size(){
return m_files.size();
}
#endif
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