/* devNetdev.c
 * Device support: drvNetdev <-> ai record
 *
 * Note that most of this is copied from EPICS base's
 * src/dev/soft/devAiSoftRaw.c
 */
/* System */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/* EPICS base */
#include "alarm.h"
#include "dbDefs.h"
#include "dbAccess.h"
#include "dbEvent.h"
#include "recGbl.h"
#include "recSup.h"
#include "devSup.h"
#include "link.h"
#include "aiRecord.h"
#include "epicsExport.h"
/* Driver */
#include "drvNetdev.h"

static long init_record(aiRecord *rec)
{
    if (rec->inp.type == INST_IO)
    {
        /* We expect INP="<IP>:port".
         * Init. driver, park the driver info pointer
         * in the "device private" member of the record.
         */
        rec->dpvt = drvNetdev_init(rec->inp.value.instio.string);
    }
    else
    {
        recGblRecordError(S_db_badField, rec,
                          "devAiNetdev (init_record) Illegal INP field");
        return S_db_badField;
    }
    return 0;
}

static long read_ai(aiRecord *rec)
{
    drvNetdev *drv = (drvNetdev *)rec->dpvt;
    if (drv)
    {
        epicsMutexLock(drv->mutex);
        if (drv->is_valid)
        {
            rec->rval = drv->value;
            rec->udf = 0;
        }
        else
        {
            recGblSetSevr(rec, READ_ALARM, INVALID_ALARM);
        }
        epicsMutexUnlock(drv->mutex);
    }

    return 0;
}

/* Create the dset for devAiSoftRaw */
struct
{
	long		number;
	DEVSUPFUN	report;
	DEVSUPFUN	init;
	DEVSUPFUN	init_record;
	DEVSUPFUN	get_ioint_info;
	DEVSUPFUN	read_ai;
	DEVSUPFUN	special_linconv;
}  devAiNetdev =
{
	6,
	NULL,
	NULL,
	init_record,
	NULL,
	read_ai,
	NULL
};
/* For DBD: device(ai,INST_IO,devAiNetdev,"Netdev") */

epicsExportAddress(dset,devAiNetdev);