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AUSTAL2000 (modifiziert)

TalTmn.c

//==================================================================== TalTmn.c

//

//  Table Manager, uses array's from the gen-lib.

//  =============================================

//

// Copyright (C) Umweltbundesamt, 14191 Berlin, Germany, 2002-2005

// Copyright (C) Janicke Consulting, 26427 Dunum, Germany, 2002-2005

// email: info@austal2000.de

//

// 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.

//

// 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., 675 Mass Ave, Cambridge, MA 02139, USA.

//

// last change: 2006-10-26 lj

//

//==========================================================================

//  A table is an array with a header string, valid for a specified time

//  interval. The data are stored in memory or on disk or both. They can

//  be created by the user, read from disk or created automatically, if

//  a creator is specified by the user. Attributes are:

//  TMN_UNIQUE: The data exist only once, either on disk or in memory.

//  TMN_FIXED:  The data are not moved within in the memory, therefore

//              the addresses of the elements will not change during execution

//              of the program.

//  TMN_WAIT:   If the data are not available on disk, wait and try it again.

//  TMN_LOCKED: The data may not be removed from the work space (memory).

//  TMN_MODIFY: The data will be modified and hence only one routine can

//              get access at one time.

//============================================================================



#include 

#include 

#include 

#include 

#include 

#include "limits.h"



#include "IBJmsg.h"

#include "IBJary.h"

static char *eMODn = "TalTmn";



#include "genio.h"

#include "genutl.h"

#include "gencnv.h"



#include "IBJstamp.h"

#include "TalNms.h"

#include "TalTmn.h"

#include "TalTmn.nls"



#define  TMN_VERSION    2

#define  TMN_SUBVERSION 3

#define  TMN_PATCH      "0"

#define  TMN_STDXTN     ".arr"



#define  DISPLAY     (TmnFlags & TMN_DISPLAY)



typedef struct tmnrec *TMNRECPTR;

typedef struct tmnrec {

  TMNRECPTR next, last;

  long id, mask, usage, storage, count;

  long t1, t2;

  long *depends;

  TMNDATSRV datserver;

  TMNHDRSRV hdrserver;

  char servname[TMN_SNMLEN];

  char *header;

  char *tag;

  long lpos1, lpos2, lt1, lt2;

  ARYDSC dsc;

  } TMNREC;



static const long  TMN_DISK      = 0x0001;

static const long  TMN_MYWRKSPC  = 0x0002;



static TMNRECPTR TmnHead, TmnTail;

static TMNNAMSRV NameServer;

static TMNHDRSRV HeaderServer;

static char TmnHeader[GENHDRLEN];

static char TmnWorkDir[256];

static long TmnFlags, TmnLogAction;

static FILE *TmnLog;

static long IdCounter = 0x80000000;



/*================ Prototypes of static functions ========================*/



  /*=================================================================== AddRec

  Add a record with id and return a pointer to the record. If a record

  with this id already exist, NULL is returned.

  */

static TMNRECPTR AddRec(        /* pointer to new record */

  long id )                     /* id of the table       */

  ;

  /*=================================================================== AddXtn

  */

static void AddXtn(             /* add standard extension to file name  */

  char *fname )

  ;

  /*=================================================================== DelRec

  Delete a record of the table chain and the data of the table.

  */

static TMNRECPTR DelRec(        /* pointer to the next record          */

  TMNRECPTR pthis )             /* pointer to the record to be deleted */

  ;

  /*================================================================== FindRec

  Find the record where the table id is defined.

  */

static TMNRECPTR FindRec(       /* pointer to the record or NULL */

  long id )                     /* table id                      */

  ;

  /*============================================================ FindDatServer

  Find the record where a server for the masked id is defined.

  */

static TMNRECPTR FindDatServer( /* pointer to the record or NULL */

  long id )                     /* table id                      */

  ;

  /*============================================================ FindHdrServer

  Find the record where a server for the masked id is defined.

  */

static TMNRECPTR FindHdrServer( /* pointer to the record or NULL */

  long id )                     /* table id                      */

  ;

  /*================================================================== PrnRec

  Print the most important data of a record in the form:

  :  u: c: s: [-]

  */

static int PrnRec(      /* return -1, if not initialized */

  FILE *prn,            /* print file                    */

  int n,                /* line number                   */

  TMNRECPTR prec )      /* pointer to the record         */

  ;

  /*=================================================================== TmnGet

  Try to read a table from disk. Time series of arrays are scanned. If

  the wait flag is set for the table, the routine tries infinitely

  every 2 seconds to read the table.

  */

static TMNRECPTR TmnGet(        /* pointer to the table record  */

  long id,                      /* identification               */

  long *pt1,                    /* start of the requested time  */

  long *pt2 )                   /* not used                     */

  ;

  /*========================================================== TmnHeaderServer

  Creates a header for storage on disk, if the user did not

  supply a header server.

  */

static char *TmnHeaderServer(   /* the header (global storage)  */

  long id,                      /* identification               */

  long *pt1,                    /* start of the validity time   */

  long *pt2 )                   /* end of validity time         */

  ;

  /*================================================================== TmnMake

  Make an array by calling the user supplied creator or by a call

  to system() with the user supplied text. In addition the name of

  the working directory and the options -n and -t
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