/* initHooks.c	ioc initialization hooks */ 
/*
 *      Author:		Marty Kraimer
 *      Date:		06-01-91
 *
 *      Experimental Physics and Industrial Control System (EPICS)
 *
 *      Copyright 1991, the Regents of the University of California,
 *      and the University of Chicago Board of Governors.
 *
 *      This software was produced under  U.S. Government contracts:
 *      (W-7405-ENG-36) at the Los Alamos National Laboratory,
 *      and (W-31-109-ENG-38) at Argonne National Laboratory.
 *
 *      Initial development by:
 *              The Controls and Automation Group (AT-8)
 *              Ground Test Accelerator
 *              Accelerator Technology Division
 *              Los Alamos National Laboratory
 *
 *      Co-developed with
 *              The Controls and Computing Group
 *              Accelerator Systems Division
 *              Advanced Photon Source
 *              Argonne National Laboratory
 *
 * Modification Log:
 * -----------------
 * .01  09-05-92	rcz	initial version
 * .02  09-10-92	rcz	changed return from void to long
 * .03  09-10-92	rcz	changed completely
 * .04  09-10-92	rcz	bug - moved call to setMasterTimeToSelf later
 *
 */


#include	<stdio.h>
#include	<initHooks.h>
#include	<epicsPrint.h>
#include	"save_restore.h"
#include        <iocsh.h>
#include        <epicsExport.h>

#define DEFAULT_RESTORE_FILES 0

extern int reboot_restore(char *filename, initHookState init_state);
extern int set_pass0_restoreFile( char *filename);
extern int set_pass1_restoreFile( char *filename);
extern struct restoreList restoreFileList;

/*
 * INITHOOKS
 *
 * called by iocInit at various points during initialization
 *
 */

/* If this function (initHooks) is loaded, iocInit calls this function
 * at certain defined points during IOC initialization */
static void asInitHooks(initHookState state)
{
	int i;

	switch (state) {
	case initHookAtBeginning :
	    break;
	case initHookAfterCallbackInit :
	    break;
	case initHookAfterCaLinkInit :
	    break;
	case initHookAfterInitDrvSup :
	    break;
	case initHookAfterInitRecSup :
	    break;
	case initHookAfterInitDevSup :

		/* For backward compatibility with earlier versions of save_restore,
		 * if no restore files have been specified, set things up so we do
		 * what we used to do.
		 */
#if DEFAULT_RESTORE_FILES
		if ((restoreFileList.pass0cnt == 0) && (restoreFileList.pass1cnt == 0)) {
			epicsPrintf("initHooks: set_pass[0,1]_restoreFile() were never called.\n");
			epicsPrintf("initHooks: Specifying 'auto_settings.sav' and 'auto_positions.sav'\n");
			epicsPrintf("initHooks: for backward compatibility with old autosave/restore.\n");
			set_pass0_restoreFile("auto_positions.sav");
			set_pass0_restoreFile("auto_settings.sav");
			set_pass1_restoreFile("auto_settings.sav");
		}
#endif
		/* restore fields needed in init_record() */
		for(i = 0; i < restoreFileList.pass0cnt; i++) {
			reboot_restore(restoreFileList.pass0files[i], state);
		}
	    break;
	case initHookAfterInitDatabase :
		/*
		 * restore fields that init_record() would have overwritten with
		 * info from the dol (desired output location).
		 */ 
		for(i = 0; i < restoreFileList.pass1cnt; i++) {
			reboot_restore(restoreFileList.pass1files[i], state);
		}
	    break;
	case initHookAfterFinishDevSup :
	    break;
	case initHookAfterScanInit :
	    break;
	case initHookAfterInitialProcess :
	    break;
	case initHookAfterInterruptAccept :
	    break;
	case initHookAtEnd :
	    break;
	default:
	    break;
	}
	return;
}

void asInitHooksRegister(void)
{
   initHookRegister(asInitHooks);
}

epicsExportRegistrar(asInitHooksRegister);