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indidriver.c
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indidriver.c
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#if 0
INDI Driver Functions
Copyright (C) 2020 by Pawel Soja <kernel32.pl@gmail.com>
Copyright (C) 2003 - 2020 Jasem Mutlaq
Copyright (C) 2003 - 2006 Elwood C. Downey
This library is free software;
you can redistribute it and / or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation;
either
version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser General Public
License along with this library;
if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110 - 1301 USA
#endif
#include "indidriver.h"
#include "base64.h"
#include "indicom.h"
#include "indidevapi.h"
#include "locale_compat.h"
#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#include "userio.h"
#include "indiuserio.h"
static pthread_mutex_t stdout_mutex = PTHREAD_MUTEX_INITIALIZER;
int verbose; /* chatty */
char *me = ""; /* a.out name */
#define MAXRBUF 2048
/*! INDI property type */
enum
{
INDI_NUMBER,
INDI_SWITCH,
INDI_TEXT,
INDI_LIGHT,
INDI_BLOB,
INDI_UNKNOWN
};
// TODO use fast map
/* insure RO properties are never modified. RO Sanity Check */
typedef struct {
char propName[MAXINDINAME];
char devName[MAXINDIDEVICE];
IPerm perm;
const void *ptr;
int type;
} ROSC;
static ROSC *propCache = NULL;
static int nPropCache = 0; /* # of elements in roCheck */
static ROSC *rosc_new()
{
assert_mem(propCache = (ROSC *)(realloc(propCache, (nPropCache + 1) * sizeof *propCache)));
return &propCache[nPropCache++];
}
static void rosc_add(const char *propName, const char *devName, IPerm perm, const void *ptr, int type)
{
ROSC *SC = rosc_new();
strcpy(SC->propName, propName);
strcpy(SC->devName, devName);
SC->perm = perm;
SC->ptr = ptr;
SC->type = type;
}
/* Return pointer of property if already cached, NULL otherwise */
static ROSC *rosc_find(const char *propName, const char *devName)
{
for (int i = 0; i < nPropCache; i++)
if (!strcmp(propName, propCache[i].propName) && !strcmp(devName, propCache[i].devName))
return &propCache[i];
return NULL;
}
static void rosc_add_unique(const char *propName, const char *devName, IPerm perm, const void *ptr, int type)
{
if (rosc_find(propName, devName) == NULL)
rosc_add(propName, devName, perm, ptr, type);
}
/* tell Client to delete the property with given name on given device, or
* entire device if !name
*/
void IDDeleteVA(const char *dev, const char *name, const char *fmt, va_list ap)
{
const userio *io = userio_file();
pthread_mutex_lock(&stdout_mutex);
userio_xmlv1(io, stdout);
IUUserIODeleteVA(io, stdout, dev, name, fmt, ap);
fflush(stdout);
pthread_mutex_unlock(&stdout_mutex);
}
void IDDelete(const char *dev, const char *name, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
IDDeleteVA(dev, name, fmt, ap);
va_end(ap);
}
/* tell indiserver we want to snoop on the given device/property.
* name ignored if NULL or empty.
*/
void IDSnoopDevice(const char *snooped_device, const char *snooped_property)
{
// Ignore empty snooped device
if (snooped_device[0])
{
const userio *io = userio_file();
pthread_mutex_lock(&stdout_mutex);
userio_xmlv1(io, stdout);
IUUserIOGetProperties(io, stdout, snooped_device, snooped_property);
fflush(stdout);
pthread_mutex_unlock(&stdout_mutex);
}
}
/* tell indiserver whether we want BLOBs from the given snooped device.
* silently ignored if given device is not already registered for snooping.
*/
void IDSnoopBLOBs(const char *snooped_device, const char *snooped_property, BLOBHandling bh)
{
const userio *io = userio_file();
pthread_mutex_lock(&stdout_mutex);
userio_xmlv1(io, stdout);
IUUserIOEnableBLOB(io, stdout, snooped_device, snooped_property, bh);
fflush(stdout);
pthread_mutex_unlock(&stdout_mutex);
}
/* Update property switches in accord with states and names. */
int IUUpdateSwitch(ISwitchVectorProperty *svp, ISState *states, char *names[], int n)
{
ISwitch *so = NULL; // On switch pointer
assert(svp != NULL && "IUUpdateSwitch SVP is NULL");
/* store On switch pointer */
if (svp->r == ISR_1OFMANY)
{
so = IUFindOnSwitch(svp);
IUResetSwitch(svp);
}
for (int i = 0; i < n; i++)
{
ISwitch *sp = IUFindSwitch(svp, names[i]);
if (!sp)
{
svp->s = IPS_IDLE;
IDSetSwitch(svp, "Error: %s is not a member of %s (%s) property.", names[i], svp->label, svp->name);
return -1;
}
sp->s = states[i];
}
/* Consistency checks for ISR_1OFMANY after update. */
if (svp->r == ISR_1OFMANY)
{
int t_count = 0;
for (int i = 0; i < svp->nsp; i++)
{
if (svp->sp[i].s == ISS_ON)
t_count++;
}
if (t_count != 1)
{
IUResetSwitch(svp);
// restore previous state
if (so)
so->s = ISS_ON;
svp->s = IPS_IDLE;
IDSetSwitch(svp, "Error: invalid state switch for property %s (%s). %s.", svp->label, svp->name,
t_count == 0 ? "No switch is on" : "Too many switches are on");
return -1;
}
}
return 0;
}
/* Update property numbers in accord with values and names */
int IUUpdateNumber(INumberVectorProperty *nvp, double values[], char *names[], int n)
{
assert(nvp != NULL && "IUUpdateNumber NVP is NULL");
for (int i = 0; i < n; i++)
{
INumber *np = IUFindNumber(nvp, names[i]);
if (!np)
{
nvp->s = IPS_IDLE;
IDSetNumber(nvp, "Error: %s is not a member of %s (%s) property.", names[i], nvp->label, nvp->name);
return -1;
}
if (values[i] < np->min || values[i] > np->max)
{
nvp->s = IPS_ALERT;
IDSetNumber(nvp, "Error: Invalid range for %s (%s). Valid range is from %g to %g. Requested value is %g",
np->label, np->name, np->min, np->max, values[i]);
return -1;
}
}
/* First loop checks for error, second loop set all values atomically*/
for (int i = 0; i < n; i++)
{
INumber *np = IUFindNumber(nvp, names[i]);
np->value = values[i];
}
return 0;
}
/* Update property text in accord with texts and names */
int IUUpdateText(ITextVectorProperty *tvp, char *texts[], char *names[], int n)
{
assert(tvp != NULL && "IUUpdateText TVP is NULL");
for (int i = 0; i < n; i++)
{
IText *tp = IUFindText(tvp, names[i]);
if (!tp)
{
tvp->s = IPS_IDLE;
IDSetText(tvp, "Error: %s is not a member of %s (%s) property.", names[i], tvp->label, tvp->name);
return -1;
}
}
/* First loop checks for error, second loop set all values atomically*/
for (int i = 0; i < n; i++)
{
IText *tp = IUFindText(tvp, names[i]);
IUSaveText(tp, texts[i]);
}
return 0;
}
/* Update property BLOB in accord with BLOBs and names */
int IUUpdateBLOB(IBLOBVectorProperty *bvp, int sizes[], int blobsizes[], char *blobs[], char *formats[], char *names[],
int n)
{
assert(bvp != NULL && "IUUpdateBLOB BVP is NULL");
for (int i = 0; i < n; i++)
{
IBLOB *bp = IUFindBLOB(bvp, names[i]);
if (!bp)
{
bvp->s = IPS_IDLE;
IDSetBLOB(bvp, "Error: %s is not a member of %s (%s) property.", names[i], bvp->label, bvp->name);
return -1;
}
}
/* First loop checks for error, second loop set all values atomically*/
for (int i = 0; i < n; i++)
{
IBLOB *bp = IUFindBLOB(bvp, names[i]);
IUSaveBLOB(bp, sizes[i], blobsizes[i], blobs[i], formats[i]);
}
return 0;
}
int IUSaveBLOB(IBLOB *bp, int size, int blobsize, char *blob, char *format)
{
bp->bloblen = blobsize;
bp->size = size;
bp->blob = blob;
strncpy(bp->format, format, MAXINDIFORMAT);
return 0;
}
void IUFillSwitch(ISwitch *sp, const char *name, const char *label, ISState s)
{
strncpy(sp->name, name, sizeof(sp->name));
if (label[0])
strncpy(sp->label, label, sizeof(sp->label));
else
strncpy(sp->label, name, sizeof(sp->label));
sp->s = s;
sp->svp = NULL;
sp->aux = NULL;
}
void IUFillLight(ILight *lp, const char *name, const char *label, IPState s)
{
strncpy(lp->name, name, sizeof(lp->name));
if (label[0])
strncpy(lp->label, label, sizeof(lp->label));
else
strncpy(lp->label, name, sizeof(lp->label));
lp->s = s;
lp->lvp = NULL;
lp->aux = NULL;
}
void IUFillNumber(INumber *np, const char *name, const char *label, const char *format, double min, double max,
double step, double value)
{
strncpy(np->name, name, sizeof(np->name));
if (label[0])
strncpy(np->label, label, sizeof(np->label));
else
strncpy(np->label, name, sizeof(np->label));
strncpy(np->format, format, sizeof(np->format));
np->min = min;
np->max = max;
np->step = step;
np->value = value;
np->nvp = NULL;
np->aux0 = NULL;
np->aux1 = NULL;
}
void IUFillText(IText *tp, const char *name, const char *label, const char *initialText)
{
strncpy(tp->name, name, sizeof(tp->name));
if (label[0])
strncpy(tp->label, label, sizeof(tp->label));
else
strncpy(tp->label, name, sizeof(tp->label));
if (tp->text && tp->text[0])
free(tp->text);
tp->text = NULL;
tp->tvp = NULL;
tp->aux0 = NULL;
tp->aux1 = NULL;
if (initialText && initialText[0])
IUSaveText(tp, initialText);
}
void IUFillBLOB(IBLOB *bp, const char *name, const char *label, const char *format)
{
memset(bp, 0, sizeof(IBLOB));
strncpy(bp->name, name, sizeof(bp->name));
if (label[0])
strncpy(bp->label, label, sizeof(bp->label));
else
strncpy(bp->label, name, sizeof(bp->label));
strncpy(bp->format, format, sizeof(bp->format));
bp->blob = 0;
bp->bloblen = 0;
bp->size = 0;
bp->bvp = 0;
bp->aux0 = 0;
bp->aux1 = 0;
bp->aux2 = 0;
}
void IUFillSwitchVector(ISwitchVectorProperty *svp, ISwitch *sp, int nsp, const char *dev, const char *name,
const char *label, const char *group, IPerm p, ISRule r, double timeout, IPState s)
{
strncpy(svp->device, dev, sizeof(svp->device));
strncpy(svp->name, name, sizeof(svp->name));
if (label[0])
strncpy(svp->label, label, sizeof(svp->label));
else
strncpy(svp->label, name, sizeof(svp->label));
strncpy(svp->group, group, sizeof(svp->group));
svp->timestamp[0] = '\0';
svp->p = p;
svp->r = r;
svp->timeout = timeout;
svp->s = s;
svp->sp = sp;
svp->nsp = nsp;
}
void IUFillLightVector(ILightVectorProperty *lvp, ILight *lp, int nlp, const char *dev, const char *name,
const char *label, const char *group, IPState s)
{
strncpy(lvp->device, dev, sizeof(lvp->device));
strncpy(lvp->name, name, sizeof(lvp->name));
if (label[0])
strncpy(lvp->label, label, sizeof(lvp->label));
else
strncpy(lvp->label, name, sizeof(lvp->label));
strncpy(lvp->group, group, sizeof(lvp->group));
lvp->timestamp[0] = '\0';
lvp->s = s;
lvp->lp = lp;
lvp->nlp = nlp;
}
void IUFillNumberVector(INumberVectorProperty *nvp, INumber *np, int nnp, const char *dev, const char *name,
const char *label, const char *group, IPerm p, double timeout, IPState s)
{
strncpy(nvp->device, dev, sizeof(nvp->device));
strncpy(nvp->name, name, sizeof(nvp->name));
if (label[0])
strncpy(nvp->label, label, sizeof(nvp->label));
else
strncpy(nvp->label, name, sizeof(nvp->label));
strncpy(nvp->group, group, sizeof(nvp->group));
nvp->timestamp[0] = '\0';
nvp->p = p;
nvp->timeout = timeout;
nvp->s = s;
nvp->np = np;
nvp->nnp = nnp;
}
void IUFillTextVector(ITextVectorProperty *tvp, IText *tp, int ntp, const char *dev, const char *name,
const char *label, const char *group, IPerm p, double timeout, IPState s)
{
strncpy(tvp->device, dev, sizeof(tvp->device));
strncpy(tvp->name, name, sizeof(tvp->name));
if (label[0])
strncpy(tvp->label, label, sizeof(tvp->label));
else
strncpy(tvp->label, name, sizeof(tvp->label));
strncpy(tvp->group, group, sizeof(tvp->group));
tvp->timestamp[0] = '\0';
tvp->p = p;
tvp->timeout = timeout;
tvp->s = s;
tvp->tp = tp;
tvp->ntp = ntp;
}
void IUFillBLOBVector(IBLOBVectorProperty *bvp, IBLOB *bp, int nbp, const char *dev, const char *name,
const char *label, const char *group, IPerm p, double timeout, IPState s)
{
memset(bvp, 0, sizeof(IBLOBVectorProperty));
strncpy(bvp->device, dev, sizeof(bvp->device));
strncpy(bvp->name, name, sizeof(bvp->name));
if (label[0])
strncpy(bvp->label, label, sizeof(bvp->label));
else
strncpy(bvp->label, name, sizeof(bvp->label));
strncpy(bvp->group, group, sizeof(bvp->group));
bvp->timestamp[0] = '\0';
bvp->p = p;
bvp->timeout = timeout;
bvp->s = s;
bvp->bp = bp;
bvp->nbp = nbp;
}
/*****************************************************************************
* convenience functions for use in your implementation of ISSnoopDevice().
*/
/* crack the snooped driver setNumberVector or defNumberVector message into
* the given INumberVectorProperty.
* return 0 if type, device and name match and all members are present, else
* return -1
*/
int IUSnoopNumber(XMLEle *root, INumberVectorProperty *nvp)
{
char *dev, *name;
XMLEle *ep;
/* check and crack type, device, name and state */
if (strcmp(tagXMLEle(root) + 3, "NumberVector") || crackDN(root, &dev, &name, NULL) < 0)
return (-1);
if (strcmp(dev, nvp->device) || strcmp(name, nvp->name))
return (-1); /* not this property */
(void)crackIPState(findXMLAttValu(root, "state"), &nvp->s);
/* match each INumber with a oneNumber */
locale_char_t *orig = indi_locale_C_numeric_push();
for (int i = 0; i < nvp->nnp; i++)
{
for (ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (!strcmp(tagXMLEle(ep) + 3, "Number") && !strcmp(nvp->np[i].name, findXMLAttValu(ep, "name")))
{
if (f_scansexa(pcdataXMLEle(ep), &nvp->np[i].value) < 0)
{
indi_locale_C_numeric_pop(orig);
return (-1); /* bad number format */
}
break;
}
}
if (!ep)
{
indi_locale_C_numeric_pop(orig);
return (-1); /* element not found */
}
}
indi_locale_C_numeric_pop(orig);
/* ok */
return (0);
}
/* crack the snooped driver setTextVector or defTextVector message into
* the given ITextVectorProperty.
* return 0 if type, device and name match and all members are present, else
* return -1
*/
int IUSnoopText(XMLEle *root, ITextVectorProperty *tvp)
{
char *dev, *name;
XMLEle *ep;
/* check and crack type, device, name and state */
if (strcmp(tagXMLEle(root) + 3, "TextVector") || crackDN(root, &dev, &name, NULL) < 0)
return (-1);
if (strcmp(dev, tvp->device) || strcmp(name, tvp->name))
return (-1); /* not this property */
(void)crackIPState(findXMLAttValu(root, "state"), &tvp->s);
/* match each IText with a oneText */
for (int i = 0; i < tvp->ntp; i++)
{
for (ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (!strcmp(tagXMLEle(ep) + 3, "Text") && !strcmp(tvp->tp[i].name, findXMLAttValu(ep, "name")))
{
IUSaveText(&tvp->tp[i], pcdataXMLEle(ep));
break;
}
}
if (!ep)
return (-1); /* element not found */
}
/* ok */
return (0);
}
/* crack the snooped driver setLightVector or defLightVector message into
* the given ILightVectorProperty. it is not necessary that all ILight names
* be found.
* return 0 if type, device and name match, else return -1.
*/
int IUSnoopLight(XMLEle *root, ILightVectorProperty *lvp)
{
char *dev, *name;
XMLEle *ep;
/* check and crack type, device, name and state */
if (strcmp(tagXMLEle(root) + 3, "LightVector") || crackDN(root, &dev, &name, NULL) < 0)
return (-1);
if (strcmp(dev, lvp->device) || strcmp(name, lvp->name))
return (-1); /* not this property */
(void)crackIPState(findXMLAttValu(root, "state"), &lvp->s);
/* match each oneLight with one ILight */
for (ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (!strcmp(tagXMLEle(ep) + 3, "Light"))
{
const char *name = findXMLAttValu(ep, "name");
for (int i = 0; i < lvp->nlp; i++)
{
if (!strcmp(lvp->lp[i].name, name))
{
if (crackIPState(pcdataXMLEle(ep), &lvp->lp[i].s) < 0)
{
return (-1); /* unrecognized state */
}
break;
}
}
}
}
/* ok */
return (0);
}
/* crack the snooped driver setSwitchVector or defSwitchVector message into the
* given ISwitchVectorProperty. it is not necessary that all ISwitch names be
* found.
* return 0 if type, device and name match, else return -1.
*/
int IUSnoopSwitch(XMLEle *root, ISwitchVectorProperty *svp)
{
char *dev, *name;
XMLEle *ep;
/* check and crack type, device, name and state */
if (strcmp(tagXMLEle(root) + 3, "SwitchVector") || crackDN(root, &dev, &name, NULL) < 0)
return (-1);
if (strcmp(dev, svp->device) || strcmp(name, svp->name))
return (-1); /* not this property */
(void)crackIPState(findXMLAttValu(root, "state"), &svp->s);
/* match each oneSwitch with one ISwitch */
for (ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (!strcmp(tagXMLEle(ep) + 3, "Switch"))
{
const char *name = findXMLAttValu(ep, "name");
for (int i = 0; i < svp->nsp; i++)
{
if (!strcmp(svp->sp[i].name, name))
{
if (crackISState(pcdataXMLEle(ep), &svp->sp[i].s) < 0)
{
return (-1); /* unrecognized state */
}
break;
}
}
}
}
/* ok */
return (0);
}
/* crack the snooped driver setBLOBVector message into the given
* IBLOBVectorProperty. it is not necessary that all IBLOB names be found.
* return 0 if type, device and name match, else return -1.
* N.B. we assume any existing blob in bvp has been malloced, which we free
* and replace with a newly malloced blob if found.
*/
int IUSnoopBLOB(XMLEle *root, IBLOBVectorProperty *bvp)
{
char *dev, *name;
XMLEle *ep;
/* check and crack type, device, name and state */
if (strcmp(tagXMLEle(root), "setBLOBVector") || crackDN(root, &dev, &name, NULL) < 0)
return (-1);
if (strcmp(dev, bvp->device) || strcmp(name, bvp->name))
return (-1); /* not this property */
crackIPState(findXMLAttValu(root, "state"), &bvp->s);
for (ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (strcmp(tagXMLEle(ep), "oneBLOB") == 0)
{
XMLAtt *na = findXMLAtt(ep, "name");
if (na == NULL)
return (-1);
IBLOB *bp = IUFindBLOB(bvp, valuXMLAtt(na));
if (bp == NULL)
return (-1);
XMLAtt *fa = findXMLAtt(ep, "format");
XMLAtt *sa = findXMLAtt(ep, "size");
XMLAtt *ec = findXMLAtt(ep, "enclen");
if (fa && sa && ec)
{
int enclen = atoi(valuXMLAtt(ec));
assert_mem(bp->blob = realloc(bp->blob, 3 * enclen / 4));
bp->bloblen = from64tobits_fast(bp->blob, pcdataXMLEle(ep), enclen);
strncpy(bp->format, valuXMLAtt(fa), MAXINDIFORMAT);
bp->size = atoi(valuXMLAtt(sa));
}
}
}
/* ok */
return (0);
}
/* crack the given INDI XML element and call driver's IS* entry points as they
* are recognized.
* return 0 if ok else -1 with reason in msg[].
* N.B. exit if getProperties does not proclaim a compatible version.
*/
int dispatch(XMLEle *root, char msg[])
{
char *rtag = tagXMLEle(root);
XMLEle *ep;
int n;
if (verbose)
prXMLEle(stderr, root, 0);
if (!strcmp(rtag, "getProperties"))
{
XMLAtt *ap, *name, *dev;
double v;
/* check version */
ap = findXMLAtt(root, "version");
if (!ap)
{
fprintf(stderr, "%s: getProperties missing version\n", me);
exit(1);
}
v = atof(valuXMLAtt(ap));
if (v > INDIV)
{
fprintf(stderr, "%s: client version %g > %g\n", me, v, INDIV);
exit(1);
}
// Get device
dev = findXMLAtt(root, "device");
// Get property name
name = findXMLAtt(root, "name");
if (name && dev)
{
ROSC *prop = rosc_find(valuXMLAtt(name), valuXMLAtt(dev));
if (prop == NULL)
return 0;
switch (prop->type)
{
/* JM 2019-07-18: Why are we using setXXX here? should be defXXX */
case INDI_NUMBER:
//IDSetNumber((INumberVectorProperty *)(prop->ptr), NULL);
IDDefNumber((INumberVectorProperty *)(prop->ptr), NULL);
return 0;
case INDI_SWITCH:
//IDSetSwitch((ISwitchVectorProperty *)(prop->ptr), NULL);
IDDefSwitch((ISwitchVectorProperty *)(prop->ptr), NULL);
return 0;
case INDI_TEXT:
//IDSetText((ITextVectorProperty *)(prop->ptr), NULL);
IDDefText((ITextVectorProperty *)(prop->ptr), NULL);
return 0;
case INDI_BLOB:
//IDSetBLOB((IBLOBVectorProperty *)(prop->ptr), NULL);
IDDefBLOB((IBLOBVectorProperty *)(prop->ptr), NULL);
return 0;
default:
return 0;
}
}
ISGetProperties(dev ? valuXMLAtt(dev) : NULL);
return (0);
}
/* other commands might be from a snooped device.
* we don't know here which devices are being snooped so we send
* all remaining valid messages
*/
if (!strcmp(rtag, "setNumberVector") || !strcmp(rtag, "setTextVector") || !strcmp(rtag, "setLightVector") ||
!strcmp(rtag, "setSwitchVector") || !strcmp(rtag, "setBLOBVector") || !strcmp(rtag, "defNumberVector") ||
!strcmp(rtag, "defTextVector") || !strcmp(rtag, "defLightVector") || !strcmp(rtag, "defSwitchVector") ||
!strcmp(rtag, "defBLOBVector") || !strcmp(rtag, "message") || !strcmp(rtag, "delProperty"))
{
ISSnoopDevice(root);
return (0);
}
char *dev, *name;
/* pull out device and name */
if (crackDN(root, &dev, &name, msg) < 0)
return (-1);
if (rosc_find(name, dev) == NULL)
{
snprintf(msg, MAXRBUF, "Property %s is not defined in %s.", name, dev);
return -1;
}
/* ensure property is not RO */
for (int i = 0; i < nPropCache; i++)
{
if (!strcmp(propCache[i].propName, name) && !strcmp(propCache[i].devName, dev))
{
if (propCache[i].perm == IP_RO)
{
snprintf(msg, MAXRBUF, "Cannot set read-only property %s", name);
return -1;
}
else
break;
}
}
/* check tag in surmised decreasing order of likelyhood */
if (!strcmp(rtag, "newNumberVector"))
{
static double *doubles = NULL;
static char **names = NULL;
static int maxn = 0;
// Set locale to C and save previous value
locale_char_t *orig = indi_locale_C_numeric_push();
/* pull out each name/value pair */
for (n = 0, ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (strcmp(tagXMLEle(ep), "oneNumber") == 0)
{
XMLAtt *na = findXMLAtt(ep, "name");
if (na)
{
if (n >= maxn)
{
/* grow for this and another */
maxn = n + 1;
assert_mem(doubles = (double *)realloc(doubles, maxn * sizeof *doubles));
assert_mem(names = (char **)realloc(names, maxn * sizeof *names));
}
if (f_scansexa(pcdataXMLEle(ep), &doubles[n]) < 0)
IDMessage(dev, "[ERROR] %s: Bad format %s", name, pcdataXMLEle(ep));
else
names[n++] = valuXMLAtt(na);
}
}
}
// Reset locale settings to original value
indi_locale_C_numeric_pop(orig);
/* invoke driver if something to do, but not an error if not */
if (n > 0)
ISNewNumber(dev, name, doubles, names, n);
else
IDMessage(dev, "[ERROR] %s: newNumberVector with no valid members", name);
return (0);
}
if (!strcmp(rtag, "newSwitchVector"))
{
static ISState *states = NULL;
static char **names = NULL;
static int maxn = 0;
XMLEle *ep;
/* pull out each name/state pair */
for (n = 0, ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (strcmp(tagXMLEle(ep), "oneSwitch") == 0)
{
XMLAtt *na = findXMLAtt(ep, "name");
if (na)
{
if (n >= maxn)
{
maxn = n + 1;
assert_mem(states = (ISState *)realloc(states, maxn * sizeof *states));
assert_mem(names = (char **)realloc(names, maxn * sizeof *names));
}
if (strncmp(pcdataXMLEle(ep), "On", 2) == 0)
{
states[n] = ISS_ON;
names[n] = valuXMLAtt(na);
n++;
}
else if (strcmp(pcdataXMLEle(ep), "Off") == 0)
{
states[n] = ISS_OFF;
names[n] = valuXMLAtt(na);
n++;
}
else
IDMessage(dev, "[ERROR] %s: must be On or Off: %s", name, pcdataXMLEle(ep));
}
}
}
/* invoke driver if something to do, but not an error if not */
if (n > 0)
ISNewSwitch(dev, name, states, names, n);
else
IDMessage(dev, "[ERROR] %s: newSwitchVector with no valid members", name);
return (0);
}
if (!strcmp(rtag, "newTextVector"))
{
static char **texts = NULL;
static char **names = NULL;
static int maxn = 0;
/* pull out each name/text pair */
for (n = 0, ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (strcmp(tagXMLEle(ep), "oneText") == 0)
{
XMLAtt *na = findXMLAtt(ep, "name");
if (na)
{
if (n >= maxn)
{
maxn = n + 1;
assert_mem(texts = (char **)realloc(texts, maxn * sizeof *texts));
assert_mem(names = (char **)realloc(names, maxn * sizeof *names));
}
texts[n] = pcdataXMLEle(ep);
names[n] = valuXMLAtt(na);
n++;
}
}
}
/* invoke driver if something to do, but not an error if not */
if (n > 0)
ISNewText(dev, name, texts, names, n);
else
IDMessage(dev, "[ERROR] %s: set with no valid members", name);
return (0);
}
if (!strcmp(rtag, "newBLOBVector"))
{
static char **blobs = NULL;
static char **names = NULL;
static char **formats = NULL;
static int *blobsizes = NULL;
static int *sizes = NULL;
static int maxn = 0;
/* pull out each name/BLOB pair, decode */
for (n = 0, ep = nextXMLEle(root, 1); ep; ep = nextXMLEle(root, 0))
{
if (strcmp(tagXMLEle(ep), "oneBLOB") == 0)
{
XMLAtt *na = findXMLAtt(ep, "name");
XMLAtt *fa = findXMLAtt(ep, "format");