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CAVERNmisc_fileList_c.hxx

/******************************************************************
 * CAVERNsoft
 * Copyright (C) 1994-2000 Electronic Visualization Laboratory,
 * all rights reserved
 * By Jason Leigh, Yong-joo Cho, Naveen Krishnaprasad, Chris Scharver,
 * Stuart Bailey, Atul Nayak, Shalini Venkataraman
 * University of Illinois at Chicago
 * 
 * This publication and its text and code may not be copied for commercial 
 * use without the express written permission of the University of Illinois
 * at Chicago.
 * The contributors disclaim any representation of warranty: use this
 * code at your own risk.
 * Direct questions, comments etc to cavern@evl.uic.edu
 ******************************************************************/

#if (defined(__sgi) || defined(linux) || defined(sun))
#ifndef _CAVERNMISC_FILELIST_C
#define _CAVERNMISC_FILELIST_C

#ifdef linux
#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
#endif
#endif


#include <stdio.h>
#include <ftw.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>
#include <time.h>
#include "CAVERNnet_datapack_c.hxx"

class CAVERNmisc_fileInfo_c
{

protected:
    char* fileName;         //The file name with the full path
    long fileSize;          //The size of the file
    long timeStamp;         //Time stamp in seconds
    int objectType;         //To specify if its  file or a directory
    char* leafName;         //The leaf name of the file (without the full path)
    void setLeafName(char* path);
public:
    

    static const int OK; /* =0 */
    static const int FAILED; /* = -1 */
    static const int FILE_TYPE; /* = FTW_F */
    static const int DIRECTORY_TYPE; /* = FTW_D */
    static const int DIRECTORY_TYPE_CANNOT_BE_READ; /* = FTW_DNR */
    
    CAVERNmisc_fileInfo_c();
    ~CAVERNmisc_fileInfo_c();
    
    void setFileInfo(char* path, char* fName, long fSize, long tStamp, int type);
    
    void getFileName(char*& fName);

    void getLeafName(char*& lName);


    long getFileSize();
    
    long getTimeStamp();

    int getObjectType();
     
    int getPackingSize();
    
    int packFileInfo(CAVERNnet_datapack_c* packer); 
    
    int unpackFileInfo(CAVERNnet_datapack_c* packer, char* path);
    
    void displayFileInfo();
};

class CAVERNmisc_fileList_c
{
private:    
    int depth;
    int I_ALLOCATED_MEMORY;  //used to check what memory to deallocate
    static int ftwCallBack(const char* fname, const struct stat* statBuf, int objectType, struct FTW* ftwstruct);
    static int ftwDummyCallBack(const char* fname, const struct stat* statBuf, int objectType, struct FTW* ftwstruct);
    static CAVERNmisc_fileList_c* thisInstance ;
public:

        static const int OK; /* =0 */
        static const int FAILED; /* = -1 */
        static const int LIST_RECURSIVELY; /* = 2 */
        static const int SKIP_RECURSION; /* = 3 */
        static const int TRAVERSE_LINKS; /* = 4 */
        static const int DO_NOT_TRAVERSE_LINKS; /* = 5 */
    
    char* path;
    int noFiles;
    int fileCount;
    int doRecursion;
    CAVERNmisc_fileInfo_c* fileList;
                        
    CAVERNmisc_fileList_c();
    ~CAVERNmisc_fileList_c();
    
    void setDepth(int newDepth);

    int buildFileList(char* dirName, int recursion = SKIP_RECURSION, int linkTraversal = DO_NOT_TRAVERSE_LINKS);
    
    int getNoFiles();
   
    int packFileList(CAVERNnet_datapack_c* packer);
    
    int getDataPackingSize();

    int unpackfileList(CAVERNnet_datapack_c* packer, char* path, CAVERNmisc_fileInfo_c* list, int fileCount);
    
    void displayFileList();
};

#endif
#endif

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