FsMount.h

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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4; -*-
// vim: set shiftwidth=4 softtabstop=4 expandtab:
/*
 ********************************************************************
 ** NIDAS: NCAR In-situ Data Acquistion Software
 **
 ** 2009, Copyright University Corporation for Atmospheric Research
 **
 ** 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; either version 2 of the License, or
 ** (at your option) any later version.
 **
 ** 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.
 **
 ** The LICENSE.txt file accompanying this software contains
 ** a copy of the GNU General Public License. If it is not found,
 ** write to the Free Software Foundation, Inc.,
 ** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 **
 ********************************************************************
*/
 
#ifndef NIDAS_CORE_FSMOUNT_H
#define NIDAS_CORE_FSMOUNT_H
 
#include <nidas/util/Thread.h>
#include <nidas/util/Process.h>
#include <nidas/util/IOException.h>
 
#include "DOMable.h"
 
#include <sys/mount.h>
 
#include <string>
#include <iostream>
 
namespace nidas { namespace core {
 
using namespace nidas::core;
 
class FileSet;
class FsMountWorkerThread;
 
class FsMount : public DOMable {
 
public:
 
    FsMount();
 
    FsMount(const FsMount& x);
 
    ~FsMount() {}
 
    FsMount& operator=(const FsMount& rhs);
 
    void setDir(const std::string& val);
 
    const std::string& getDir() const { return _dir; }
 
    const std::string& getDirExpanded() const { return _dirExpanded; }
 
    void setDevice(const std::string& val);
 
    const std::string& getDevice() const { return _device; }
 
    const std::string& getDeviceExpanded() const { return _deviceExpanded; }
 
    void setType(const std::string& val)
    {
        _type = val;
    }
 
    const std::string& getType() const { return _type; }
 
    void setOptions(const std::string& val)
    {
        _options = val;
    }
 
    const std::string& getOptions() const { return _options; }
 
    bool isMounted();
 
    void mount();
 
    void autoMount();
 
    void mount(FileSet*);
 
    void unmount();
 
    void cancel();
 
    void finished();
 
    void fromDOMElement(const xercesc::DOMElement* node);
 
protected:
 
    std::string _dir;
 
    std::string _dirExpanded;
 
    std::string _dirMsg;
 
    std::string _device;
 
    std::string _deviceExpanded;
 
    std::string _deviceMsg;
 
    std::string _type;
 
    std::string _options;
 
    FileSet* _fileset;
 
    FsMountWorkerThread* _worker;
 
    nidas::util::Mutex _workerLock;
 
    nidas::util::Process _mountProcess;
 
    nidas::util::Process _umountProcess;
 
};
 
class FsMountWorkerThread : public nidas::util::Thread
{
public:
    FsMountWorkerThread(FsMount* fsm);
    int run();
 
private:
    FsMount* fsmount;
 
    FsMountWorkerThread(const FsMountWorkerThread&);
 
    FsMountWorkerThread& operator=(const FsMountWorkerThread&);
};
 
}}  // namespace nidas namespace core
 
#endif