libnode/demo/nddemo0.c

/*---------------------------------------------------------------------------------*/
/* $RCSfile: nddemo0.c,v $                                                         */
/*---------------------------------------------------------------------------------*/
/* $Revision: 2.7 $                                                                */
/* $Name:  $                                                                       */
/* $Date: 2004/08/01 23:35:39 $                                                    */
/* $Author: agibert $                                                              */
/*---------------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------------*/
/* This file is part of LibNode                                                    */
/*                                                                                 */
/*    LibNode is free software; you can redistribute it and/or modify              */
/*    it under the terms of the GNU General Public Licence as published by         */
/*    the Free Software Foundation; either version 2 of the License, or            */
/*    (at your option) any later version.                                          */
/*                                                                                 */
/*    LibNode 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 Lesser General Public License for more details.                          */
/*                                                                                 */
/*    You should have received a copy of the GNU General Public License            */
/*    along with LibNode; if not, write to the Free Software                       */
/*    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA    */
/*---------------------------------------------------------------------------------*/





#include <stdio.h>
#include <errno.h>

#include <node.h>
 


#define DEMO_FILE_NAME          "nddemo0.dat"
#define STRING_LEN              (short)1024
#define STRING_SIZE             (short)(STRING_LEN + 1)
#define VAL_LEN                 (short)64
#define VAL_SIZE                (short)(VAL_LEN + 1)
#define INDEX_NB                (short)4

#define NDT_CMD_INDEX0_PRINT    (NDT_Command)64
#define NDT_CMD_INDEX1_PRINT    (NDT_Command)65
#define NDT_CMD_INDEX2_PRINT    (NDT_Command)66
#define NDT_CMD_INDEX3_PRINT    (NDT_Command)67



typedef struct Demo_Value
{
	char  Val0[VAL_SIZE];
	char  Val1[VAL_SIZE];
	char  Val2[VAL_SIZE];
	char  Val3[VAL_SIZE];
} Demo_Value;



/*---------------------------------------------------------------------------------*/
/*    Prototypes                                                                   */
/*---------------------------------------------------------------------------------*/

NDT_Status  Manager_Demo_DS( NDT_Root  *, NDT_Index_Id, NDT_Node  *, NDT_Command, va_list);
void        DataStruct_Load( NDT_Root  *,  FILE  *);
void        DataStruct_Load( NDT_Root  *,  FILE  *);
void        Demo( char  *, short);
int         main( int, char  **);







/*---------------------------------------------------------------------------------*/
/*                                                                                 */
/*---------------------------------------------------------------------------------*/

NDT_Status  Manager_Demo_DS( NDT_Root  *Root_Ptr, NDT_Index_Id  Index_Id, NDT_Node  *Node_Ptr, NDT_Command  Command, va_list  Args)
{
    NDT_Command_Name  Command_Name;


    switch( Command)
    {
        case NDD_CMD_MANAGER_VERSION:
        {
            NDT_Version_Name  *Version_Name_Ptr = (NDT_Version_Name  *)va_arg( Args, NDT_Version_Name  *);


            Command_Name = "NDD_CMD_MANAGER_VERSION";

            *Version_Name_Ptr = "$Revision: 2.7 $   $Name:  $   $Date: 2004/08/01 23:35:39 $   $Author: agibert $";

            return( NDS_OK);
        }

        case NDD_CMD_INDEX_GET:
        {
            /*
	      NDT_Index_Id  *Reply_Index_Id_Ptr = (NDT_Index_Id  *)va_arg( Args, NDT_Index_Id  *);
	      NDT_Command   *Reply_Command_Ptr  =  (NDT_Command  *)va_arg( Args, NDT_Command  *);
	      NDT_Command    Cmd                =     (NDT_Command)va_arg( Args, NDT_Command);
	      void          *Value_ptr          =         (void  *)va_arg( Args, void  *);
            */
            NDT_Index_Id  *Reply_Index_Id_Ptr = (NDT_Index_Id  *)va_arg( Args, NDT_Index_Id  *);
            NDT_Command   *Reply_Command_Ptr  =  (NDT_Command  *)va_arg( Args, NDT_Command  *);
            NDT_Command    Cmd                =     (NDT_Command)va_arg( Args, NDT_Command);
            Demo_Value    *Value_ptr          =   (Demo_Value  *)va_arg( Args, Demo_Value  *);


            Command_Name = "NDD_CMD_INDEX_GET";

            switch(Cmd)
            {
                case NDT_CMD_INDEX0_PRINT:
                {
                    *Reply_Index_Id_Ptr = 0;
                    *Reply_Command_Ptr = NDD_CMD_VALUE_PRINT;
                    break;
                }

                case NDT_CMD_INDEX1_PRINT:
                {
                    *Reply_Index_Id_Ptr = 1;
                    *Reply_Command_Ptr = NDD_CMD_VALUE_PRINT;
                    break;
                }

                case NDT_CMD_INDEX2_PRINT:
                {
                    *Reply_Index_Id_Ptr = 2;
                    *Reply_Command_Ptr = NDD_CMD_VALUE_PRINT;
                    break;
                }

                case NDT_CMD_INDEX3_PRINT:
                {
                    *Reply_Index_Id_Ptr = 3;
                    *Reply_Command_Ptr = NDD_CMD_VALUE_PRINT;
                    break;
                }

                default:
                {
                    *Reply_Index_Id_Ptr = Index_Id;
                    *Reply_Command_Ptr = Cmd;
                    break;
                }
            }

            return( NDS_OK);
        }

        case NDD_CMD_VALUE_ALLOC:
        {
            /*
	      void       **Value_Ptr_Ptr =   (void **)va_arg( Args, void  **);
	      va_list      user_args     =   (va_list)va_arg( Args, va_list);
	      user_type    user_data     = (user_type)va_arg( user_args, user_type);
	      ... =       (...)va_arg( user_args, ...);
            */
            Demo_Value  **Value_Ptr_Ptr = va_arg( Args, Demo_Value  **);


            Command_Name = "NDD_CMD_VALUE_ALLOC";

            if( ( *Value_Ptr_Ptr = (Demo_Value  *)malloc( sizeof(Demo_Value))) == NULL)
            {
                return(NDS_ERRMEM);
            }
            else
            {
                (*Value_Ptr_Ptr)->Val0[0] = '\0';
                (*Value_Ptr_Ptr)->Val1[0] = '\0';
                (*Value_Ptr_Ptr)->Val2[0] = '\0';
                (*Value_Ptr_Ptr)->Val3[0] = '\0';

                return( NDS_OK);
            }
        }

        case NDD_CMD_VALUE_FREE:
        {
            /*
	      void       *Value_Ptr =    (void *)va_arg( Args, void  *);
	      va_list     user_args =   (va_list)va_arg( Args, va_list);
	      user_type   user_data = (user_type)va_arg( user_args, user_type);
	      ... =       (...)va_arg( user_args, ...);
            */
            Demo_Value  *Value_Ptr = (Demo_Value  *)va_arg( Args, Demo_Value  *);


            Command_Name = "NDD_CMD_VALUE_FREE";

            free( Value_Ptr);

            return( NDS_OK);
        }

        case NDD_CMD_VALUE_COMP:
        {
            /*
	      void       *Value1_Ptr =    (void *)va_arg( Args, void  *);
	      void       *Value2_Ptr =    (void *)va_arg( Args, void  *);
	      va_list     user_args  =   (va_list)va_arg( Args, va_list);
	      user_type   user_data  = (user_type)va_arg( user_args, user_type);
	      ... =       (...)va_arg( user_args, ...);
            */
            Demo_Value    *Value1_Ptr = va_arg( Args, Demo_Value  *);
            Demo_Value    *Value2_Ptr = va_arg( Args, Demo_Value  *);


            Command_Name = "NDD_CMD_VALUE_COMP";

            switch( Index_Id)
            {
                case 0:
                {
                    int     rc;


                    rc = strcmp( Value1_Ptr->Val0, Value2_Ptr->Val0);

                    if( rc < 0)
                    {
                        return(NDS_LOWER);
                    }
                    else
                    {
                        if( rc > 0)
                        {
                            return(NDS_GREATER);
                        }
                        else
                        {
                            return(NDS_EQUAL);
                        }
                    }
                }

                case 1:
                {
                    int  val1 = atoi(Value1_Ptr->Val1);
                    int  val2 = atoi(Value2_Ptr->Val1);


                    if( val1 < val2)
                    {
                        return(NDS_LOWER);
                    }
                    else
                    {
                        if( val1 > val2)
                        {
                            return(NDS_GREATER);
                        }
                        else
                        {
                            return(NDS_EQUAL);
                        }
                    }
                }

                case 2:
                {
                    int  val1 = strlen(Value1_Ptr->Val2);
                    int  val2 = strlen(Value2_Ptr->Val2);


                    if( val1 < val2)
                    {
                        return(NDS_LOWER);
                    }
                    else
                    {
                        if( val1 > val2)
                        {
                            return(NDS_GREATER);
                        }
                        else
                        {
                            return(NDS_EQUAL);
                        }
                    }
                }

                default:
                {
                    printf( "Unknown COMP idx (%d) !\n", Index_Id);
                    return( NDS_KO);
                }
            }

            return( NDS_OK);
        }

        case NDD_CMD_VALUE_ADD:
        {
            /*
	      void       *Value_Ptr =    (void *)va_arg( Args, void  *);
	      va_list     user_args =   (va_list)va_arg( Args, va_list);
	      user_type   user_data = (user_type)va_arg( user_args, user_type);
	      ... =       (...)va_arg( user_args, ...);
            */

            Command_Name = "NDD_CMD_VALUE_ADD";

            return( NDS_OK);
        }

        case NDD_CMD_VALUE_REMOVE:
        {
            /*
	      void       *Value_Ptr =    (void *)va_arg( Args, void  *);
	      va_list     user_args =   (va_list)va_arg( Args, va_list);
	      user_type   user_data = (user_type)va_arg( user_args, user_type);
	      ... =       (...)va_arg( user_args, ...);
            */

            Command_Name = "NDD_CMD_VALUE_REMOVE";
            return( NDS_OK);
        }

        case NDD_CMD_VALUE_PRINT:
        {
            /*
	      NDT_Node             *Next_Node_Ptr   =         (NDT_Node  *)va_arg( Args, NDT_Node  *);
	      va_list               lib_args        =             (va_list)va_arg( Args, va_list);
	      FILE                 *Out             =             (FILE  *)va_arg( lib_args, FILE  *);
	      NDT_Recursive_Mode    Recursive_Mode  =  (NDT_Recursive_Mode)va_arg( lib_args, NDT_Recursive_Mode);
	      NDT_Recursive_Depth   Recursive_Depth = (NDT_Recursive_Depth)va_arg( lib_args, NDT_Recursive_Depth);
	      va_list               user_args       =             (va_list)va_arg( lib_args, va_list);
	      user_type             user_data       =           (user_type)va_arg( user_args, user_type);
	      ... =                 (...)va_arg( user_args, ...);

	      void                 *Value_Ptr       = Node_Ptr->Value;
            */
            NDT_Node             *Next_Node_Ptr   =         (NDT_Node  *)va_arg( Args, NDT_Node  *);
            va_list               lib_args        =             (va_list)va_arg( Args, va_list);
            FILE                 *Out             =             (FILE  *)va_arg( lib_args, FILE  *);
            NDT_Recursive_Mode    Recursive_Mode  =  (NDT_Recursive_Mode)va_arg( lib_args, NDT_Recursive_Mode);
            NDT_Recursive_Depth   Recursive_Depth = (NDT_Recursive_Depth)va_arg( lib_args, NDT_Recursive_Depth);

            Demo_Value           *Value_Ptr       = Node_Ptr->Value;


            Command_Name = "NDD_CMD_VALUE_PRINT";

            fprintf( Out, "Val0: (%s)   Val1: (%s)   Val2: (%s)   Val3: (%s)\n",
		     Value_Ptr->Val0, Value_Ptr->Val1, Value_Ptr->Val2, Value_Ptr->Val3);

            return( NDS_OK);
        }

        case NDD_CMD_INFO_PRINT:
        {
            /*
	      NDT_Node             *Next_Node_Ptr   =         (NDT_Node  *)va_arg( Args, NDT_Node  *);
	      va_list               lib_args        =             (va_list)va_arg( Args, va_list);
	      FILE                 *Out             =             (FILE  *)va_arg( lib_args, FILE  *);
	      NDT_Recursive_Mode    Recursive_Mode  =  (NDT_Recursive_Mode)va_arg( lib_args, NDT_Recursive_Mode);
	      NDT_Recursive_Depth   Recursive_Depth = (NDT_Recursive_Depth)va_arg( lib_args, NDT_Recursive_Depth);
	      va_list               user_args       =             (va_list)va_arg( lib_args, va_list);
	      user_type             user_data       =           (user_type)va_arg( user_args, user_type);
	      ... =                 (...)va_arg( user_args, ...);

	      void                 *Value_Ptr       = Node_Ptr->Value;
            */

            Command_Name = "NDD_CMD_INFO_PRINT";

            return( NDS_OK);
        }

        default:
        {
            printf( "Demo_DS_Manager() called with an undefined command %d\n", Command);
            return NDS_ERRAPI;
        }
    }

    printf( "Demo_DS_Manager() called with command %d (%s)\n", Command, Command_Name);
    return NDS_OK;
}





/*---------------------------------------------------------------------------------*/
/*                                                                                 */
/*---------------------------------------------------------------------------------*/

void  DataStruct_Load( NDT_Root  *ds_ptr,  FILE  *demo_file)
{
    NDT_Status         status;
    char            *str;
    char             input_string[STRING_SIZE];
    char             val0[VAL_SIZE], val1[VAL_SIZE], val2[VAL_SIZE], val3[VAL_SIZE];
    Demo_Value        *value_ptr;

    
    while( !feof( demo_file))
    {
        str = fgets( input_string, STRING_SIZE, demo_file);
        if( ( (const int)str != EOF) && ( str != NULL))
        {
            if( strlen( input_string) >= STRING_LEN)
            {
                printf( "Input line too long ! Skipping ...");
                    
                while( !feof( demo_file) && strlen( input_string) >= STRING_LEN)
                {
                    printf( ".");
                    str = fgets( input_string, STRING_SIZE, demo_file);
                }

                printf("\n");
            }
            else
            {
                if( input_string[0] != '#')
                {
                    if( sscanf( input_string, "%s %s %s %s\n", val0, val1, val2, val3) != 4)
                    {
                        printf( "Input line scaning error... Skipping !\n");
                    }
                    else
                    {
                        printf( "Input line read: \t(%s)\t(%s)\t(%s)\t(%s)\n", val0, val1, val2, val3);
			printf( "Allocate Vallue: ");

                        if( ( status = ND_Value_Alloc( ds_ptr, (void  **)&value_ptr)) != NDS_OK)
                        {
                            printf( "ND_Value_Alloc() failed (%d) !\n", status);
                        }
                        else
                        {
                            printf( "Ok !\n");

                            strcpy( value_ptr->Val0, val0);
                            strcpy( value_ptr->Val1, val1);
                            strcpy( value_ptr->Val2, val2);
                            strcpy( value_ptr->Val3, val3);

                            printf( "Add Vallue: ");

                            if( ( status = ND_DataStruct_Value_Add( ds_ptr, (void  **)value_ptr)) != NDS_OK)
                            {
                                printf( "ND_Value_Add() failed (%d) !\n", status);
                            }
                            else
                            {
                                printf( "Ok !\n");
                            }
                        }
                    }
                }
            }
        }
    }
}





/*---------------------------------------------------------------------------------*/
/*                                                                                   */
/*---------------------------------------------------------------------------------*/

void  DataStruct_Dump( NDT_Root  *ds_ptr)
{
    NDT_Status  status;


    printf( "Print DataStructure Info:\n");

    if( ( status = ND_DataStruct_Info_Print( stdout, ds_ptr, NDD_RECURSIVE_MODE_PARENT_CHILD, 0, 0)) != NDS_OK)
    {
        printf( "ND_DataStruct_Info_Print() failed (%d) !\n", status);
    }

    printf( "\n");



    printf( "Traverse DataStructure Index 0:\n");

    if( ( status = ND_DataStruct_Traverse( ds_ptr, NDT_CMD_INDEX0_PRINT, stdout, NDD_RECURSIVE_MODE_PARENT, 0)) != NDS_OK)
    {
        printf( "ND_DataStruct_Traverse() failed (%d) !\n", status);
    }

    printf( "\n");



    printf( "Traverse DataStructure Index 1:\n");

    if( ( status = ND_DataStruct_Traverse( ds_ptr, NDT_CMD_INDEX1_PRINT, stdout, NDD_RECURSIVE_MODE_PARENT, 0)) != NDS_OK)
    {
        printf( "ND_DataStruct_Traverse() failed (%d) !\n", status);
    }

    printf( "\n");



    printf( "Traverse DataStructure Index 2:\n");

    if( ( status = ND_DataStruct_Traverse( ds_ptr, NDT_CMD_INDEX2_PRINT, stdout, NDD_RECURSIVE_MODE_PARENT, 0)) != NDS_OK)
    {
        printf( "ND_DataStruct_Traverse() failed (%d) !\n", status);
    }

    printf( "\n");



    printf( "Traverse DataStructure Index 3:\n");

    if( ( status = ND_DataStruct_Traverse( ds_ptr, NDT_CMD_INDEX3_PRINT, stdout, NDD_RECURSIVE_MODE_PARENT, 0)) != NDS_OK)
    {
        printf( "ND_DataStruct_Traverse() failed (%d) !\n", status);
    }

    printf( "\n");
}
            



            
/*---------------------------------------------------------------------------------*/
/*                                                                                 */
/*---------------------------------------------------------------------------------*/

void Demo( char  *Demo_File_Name, short  Optimized_Mode)
{
    NDT_Status         status;
    NDT_Root        *demo_ds_ptr;
    NDT_Index_Type     index_type_initial_tab[INDEX_NB] = 
	{
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_LIST | NDD_INDEX_SUBTYPE_FIFO),
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_LIST | NDD_INDEX_SUBTYPE_FIFO),
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_LIST | NDD_INDEX_SUBTYPE_FIFO),
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_LIST | NDD_INDEX_SUBTYPE_FIFO)
	};
    NDT_Index_Type     index_type_final_tab[INDEX_NB] = 
	{
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_TREE | NDD_INDEX_SUBTYPE_BALANCED),
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_LIST | NDD_INDEX_SUBTYPE_SORTED),
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_TREE | NDD_INDEX_SUBTYPE_BALANCED),
	    (NDD_INDEX_STATUS_OPENED | NDD_INDEX_TYPE_LIST | NDD_INDEX_SUBTYPE_FIFO)
	};
    NDT_Index_Type  *index_type_ptr;
    FILE            *demo_file;


    printf( "Open library: ");

    if( ( status = ND_Library_Open( NDD_TRUE)) != NDS_OK)
    {
        printf( "ND_Library_Open() failed (%d) !\n", status);
    }
    else
    {
        printf( "Ok !\n");

	printf( "Create demo DataStructure: ");

	if( Optimized_Mode)
	{
	    index_type_ptr = index_type_initial_tab;
	}
	else
	{
	    index_type_ptr = index_type_final_tab;
	}

	if( ( status = ND_DataStruct_Open( &demo_ds_ptr, INDEX_NB, index_type_ptr, "Manager_Demo_DS", Manager_Demo_DS, NULL, NULL, NULL, NULL,0,  NULL)) != NDS_OK)
	{
	    printf( "ND_DataStruct_Open() failed (%d) !\n", status);
	}
	else
	{
	    printf( "Ok !\n");

	    printf( "Open demo datafile: ");

	    if( ( demo_file = fopen( Demo_File_Name, "r")) == NULL)
	    {
		printf( "fopen() failed (%d/%s) !\n", errno, strerror(errno));
	    }
	    else
	    {
		printf( "Ok !\n");



		printf( "\n\n\nLaod Data File:\n\n");
		DataStruct_Load( demo_ds_ptr, demo_file);


            
		if( Optimized_Mode)
		{

		    printf( "\n\n\nInitial Structure Dump:\n\n");
		    DataStruct_Dump( demo_ds_ptr);


            
		    printf( "Convert data structure: ");

		    if( ( status = ND_DataStruct_Convert( demo_ds_ptr, index_type_final_tab)) != NDS_OK)
		    {
			printf( "ND_DataStruct_Convert() failed (%d) !\n", status);
		    }
		    else
		    {
			printf( "Ok !\n");
		    }
		}



		printf( "\n\n\nFinal Structure Dump:\n\n");
		DataStruct_Dump( demo_ds_ptr);



		printf( "Close demo datafile: ");

		if( fclose( demo_file) != 0)
		{
		    printf( "fclose() failed (%d/%s) !\n", errno, strerror(errno));
		}
		else
		{
		    printf( "Ok !\n");
		}
	    }


	    printf( "Close demo DataStructure: ");
    
	    if( ( status = ND_DataStruct_Close( demo_ds_ptr)) != NDS_OK)
	    {
		printf( "ND_DataStruct_Close() failed (%d) !\n", status);
	    }
	    else
	    {
		printf( "Ok !\n");
	    }
	}

        printf( "Close library: ");
    
        if( ( status = ND_Library_Close()) != NDS_OK)
        {
            printf( "ND_Library_Close() failed (%d) !\n", status);
        }
        else
        {
            printf( "Ok !\n");
        }
    }
}





/*---------------------------------------------------------------------------------*/
/*                                                                                 */
/*---------------------------------------------------------------------------------*/

int main( int  argc, char  **argv)
{
    printf( "Non Optimized Demo\n------------------\n\n\n");
    Demo( DEMO_FILE_NAME, 0);

    printf( "\n\n\n\n\nOptimized Demo\n--------------\n\n\n");
    Demo( DEMO_FILE_NAME, 1);
}