def publish_data( keyvals, msg_dbg=''):
if keyvals != None and 'driver' in keyvals and 'device_id' in keyvals:
driver = keyvals['driver']
device_id = keyvals['device_id']
devdef = utils.read_device(driver)
if devdef == None:
print "Device definition for %s not found"%driver
return
## Custom device drivers here
if driver == 'custom!@#!@$!$#':
pass
else: # generic driver: try to match keys to feeds
if 'timestamp' in keyvals:
dev = publisher.find_device( device_id, create_new=True, device_type=driver, devdef=devdef )
ts = utils.date_to_unix(utils.str_to_date(keyvals['timestamp']))
datapoints = []
feednums = []
for key,val in keyvals.iteritems():
if key in ['driver','device_id','timestamp']:
continue
try:
f = float(val);
except:
print "Skipping Key-Value pair",key,"/",val,"as it is non-numeric"
continue;
if key in dev.feed_names:
idx = dev.feed_names.index(key)
feednums.append(idx)
datapoints.append(f)
else:
feednums.append(len(dev.feed_names))
datapoints.append(f)
dev.feed_names.append(key)
try:
if (len(datapoints) > 0):
publisher.publish_data( device_id, ts, datapoints, feednum=feednums, devdef=devdef, device_type=driver, dev=dev)
except:
import traceback
traceback.print_exc();
else:
print "Data Line '%s' did not have a timestamp field (for generic driver)"%msg_dbg
else:
print "Data Line '%s' did not contain a key for driver and/or device_id"%msg_dbg
#0000004F056B5200
return '\x00\x00'+struct.pack('<I',time.time())
def publish(source, data):
import publisher
#print "Publish from %s data %s"%(source,utils.hexify(data))
try:
SPF_result = read_packet(data)
except struct.error, emsg:
print "Error parsing SPF packet from %s device (%s): %s"%(source,str(emsg),utils.hexify(data))
if SPF_result != None:
if SPF_result[1] == MT_SENSOR_DATA:
(devname,packet_type,time,feedidxfound,feedvalsfound) = SPF_result
devdef = utils.read_device(devname);
dev = publisher.find_device(source, create_new=True, device_type=devname, devdef=devdef )
dev.feed_names = devdef['feeds']
publisher.publish_data(source, time, feedvalsfound, feednum=feedidxfound, device_type=devname, dev=dev)
elif SPF_result[1] == MT_RFID_TAG_DETECTED:
(devname,packet_type,time,uidstr) = SPF_result
devdef = utils.read_device(devname);
dev = publisher.find_device(uidstr, create_new=True, device_type=devname, devdef=devdef )
sourcestr = "RFID Reader %s"%source
if ( sourcestr in dev.feed_names ):
idx = dev.feed_names.index(sourcestr)
feedidxfound = idx
else:
dev.feed_names.append(sourcestr)
feedidxfound = len(dev.feed_names)-1
feedvalfound = 1.0;