def record_obsprog(stationdriver, scan):
"""At starttime execute the observation program specified by the obsfun
method pointer and run with arguments specified by obsargs dict.
"""
scan_flat = dict(scan)
del scan_flat['beam']
for k in scan['beam'].keys():
scan_flat[k] = scan['beam'][k]
freqbndobj = modeparms.FreqSetup(scan['beam']['freqspec'])
scan_flat['freqbndobj'] = freqbndobj
prg = ObsPrograms(stationdriver)
obsfun, obsargs_sig = prg.getprogram(scan['obsprog'])
scan_flat['bfdsesdumpdir'] = stationdriver.bf_data_dir
# Map only args required by
obsargs = {k: scan_flat[k] for k in obsargs_sig}
# Setup Calibration tables on LCU:
CALTABLESRC = 'default' # FIXME put this in args
## (Only BST uses calibration tables)
# Choose between 'default' or 'local'
stationdriver.set_caltable(CALTABLESRC)
# Prepare for obs program.
try:
stationdriver.goto_observingstate()
except RuntimeError as e:
raise RuntimeError(e)
# Run the observation program:
obsinfolist = obsfun(**obsargs)
# Stop program beam
stationdriver.stop_beam()
scan_id = None
scanpath_scdat = None
scanresult = {}
if obsinfolist is not None:
datatype = 'sop:' + scan['obsprog']
scanrec = dataIO.ScanRecInfo()
scanrec.set_stnid(stationdriver.get_stnid())
scanrec.set_scanrecparms(datatype, freqbndobj.arg,
scan['duration_tot'],
scan['beam']['pointing'])
beamstarted = datetime.datetime.strptime(obsinfolist[0].filenametime,
"%Y%m%d_%H%M%S")
scan_id = stationdriver.get_scanid(beamstarted)
scanpath_scdat = os.path.join(stationdriver.scanpath, scan_id)
# Add caltables used
caltabinfos = stationdriver.get_caltableinfos(freqbndobj.rcumodes)
# Add obsinfos to scanrecs
for obsinfo in obsinfolist:
obsinfo.caltabinfos = caltabinfos
scanrec.add_obs(obsinfo)
# Move data to archive
stationdriver.movefromlcu(stationdriver.get_lcuDumpDir() + "/*.dat",
scanpath_scdat)
scanrec.path = scanpath_scdat
scanresult[datatype] = scanrec
scanresult['scan_id'] = scan_id
scanresult['scanpath_scdat'] = scanpath_scdat
return scanresult
def do_tbb(self, duration_scan, band, start_after=0, observer="",
project=""):
"""Record duration_scan seconds of TBB data from rcumode.
"""
observationID = "Null"
# Prepare for obs program.
try:
self.goto_observingstate()
except RuntimeError as e:
raise RuntimeError(e)
# Start a beam
pointing = directions.std_pointings('Z')
freqband = modeparms.FreqSetup(band)
# FreqSetup obtained from band spec sets 8 bit mode,
# so create a new FreqSetup object with only center frequency
freqlo, freqhi = freqband.edgefreqs()
freq0 = (freqlo+freqhi)/2.0
actualfb = modeparms.FreqSetup(freq0)
antset = actualfb.antsets[0]
self.streambeams(actualfb, pointing)
print("Setting up TBBs")
self._setupTBBs()
print("Will start TBB recording in {}s".format(start_after))
time.sleep(start_after)
print("Will freeze TBB recording in {}s".format(duration_scan))
time.sleep(duration_scan) # Arbitrary time to trigger
print("Sending trigger to TBBs")
self._freezeTBBdata()
# Start data capture process locally
dalcap = \
multiprocessing.Process(target=capture_data_DAL1,
args=(self.tbbraw2h5cmd, self.tbbh5dumpdir,
observer, antset, project,
observationID, False))
dalcap.start()
print("Streaming {}s of TBB data out of LCU".format(duration_scan))
self._startTBBdataStream(float(duration_scan))
dalcap.join()
def goto_observingstate(self, warmup=False):
"""Put station into the main observing state.
Parameters
----------
warmup: bool, optional
Do a beam warmup after reaching swlevel 3.
"""
if not self.checkobservingallowed():
raise RuntimeError('Observations not allowed')
self._lcu_interface.cleanup() # Could be leftovers from previous runs
swlevel_changed = self._lcu_interface.set_swlevel(3)
if swlevel_changed and warmup:
# Dummy or hot beam start: (takes about 10sec)
# This seems necessary: first beamctl after going to swlevel 3
# seems to crash.
print("Running warmup beam... @ {}".format(
datetime.datetime.utcnow()))
self.streambeams(modeparms.FreqSetup('10_90'),
'0.,1.5707963,AZELGEO')
self._lcu_interface.stop_beam()
print("Finished warmup beam... @ {}".format(
datetime.datetime.utcnow()))
def main():
"""
Record LOFAR station data via CLI
Entry_point for ilisa_rec.
"""
parser = argparse.ArgumentParser()
parser.add_argument('-m', '--mockrun', help="Run mock rec",
action='store_true')
parser.add_argument('-s', '--starttime',
help="Start Time (format: YYYY-mm-ddTHH:MM:SS)",
type=str, default='NOW')
parser.add_argument('-i', '--integration',
help="Integration time [s]",
type=float, default=modeparms.MIN_STATS_INTG)
parser.add_argument('-a', '--acc', help="Enable ACC",
action='store_true')
parser.add_argument('-b', '--bfs', help="Record also BST",
action='store_true')
parser.add_argument('ldat_type',
help="""\
lofar data type to record.
Choose from 'bst', 'sst', 'tbb', 'xst', 'dmp' or 'None'.""")
parser.add_argument('freqspec',
help='Frequency spec in Hz.')
parser.add_argument('duration_tot',
help='Duration in seconds. '
'(Can be an arithmetic expression)',
type=str)
parser.add_argument('pointing', nargs='?', default=None,
help='Direction in az,el,ref (radians) or source name.')
args = parser.parse_args()
accessconf = ilisa.monitorcontrol.default_access_lclstn_conf()
stndrv = StationDriver(accessconf['LCU'], accessconf['DRU'],
mockrun=args.mockrun)
sesspath = accessconf['DRU']['LOFARdataArchive']
rec_type = args.ldat_type
if rec_type == 'None':
rec_type = None
if args.acc:
sesspath = os.path.join(sesspath, 'acc')
else:
sesspath = os.path.join(sesspath, args.ldat_type)
bfdsesdumpdir = accessconf['DRU']['BeamFormDataDir']
freqsetup = modeparms.FreqSetup(args.freqspec)
# Start criteria: Time
args.starttime = modeparms.timestr2datetime(args.starttime)
starttime = waituntil(args.starttime, datetime.timedelta(seconds=2))
duration_tot, ldatinfos, ldatinfo_bfs, bfsdatapaths, bfslogpaths =\
rec_scan_start(stndrv, rec_type, freqsetup, args.duration_tot,
args.pointing, args.integration, starttime, args.acc,
args.bfs, destpath=sesspath)
# (Note: ACC has no time keeping)
if not args.bfs and not _xtract_bsx(rec_type):
print('Recording for {}s'.format(duration_tot + 10))
time.sleep(duration_tot + 10)
# Finished Recording. Now stop things that are running
rec_scan_stop(stndrv, rec_type, freqsetup, args.pointing, starttime,
args.acc, args.bfs, duration_tot, ldatinfos, ldatinfo_bfs,
bfsdatapaths, bfslogpaths)
for res in stndrv.scanresult['rec']:
print("Saved {} scanrec here: {}".format(
res, stndrv.scanresult[res].get_scanrecpath()))
stndrv.scanresult[res].write()
if not stndrv.scanresult['rec']:
print("No data recorded ('None' selected)")
def run_scansess(self, sesscans_in, session_id=None):
"""Run a local session given a stn_ses_schedule dict. That is, dispatch to the
stationdrivers to setup corresponding monitorcontrol."""
sesscans = self.process_scansess(sesscans_in, session_id)
self.projectmeta, _ = projid2meta(sesscans['projectid'])
self.set_stn_session_id(sesscans['session_id'])
# Set where ldata should be put after recording on LCU
sesspath = self.get_sesspath()
bfdsesdumpdir = self.get_bfdsesdumpdir()
self.stndrv.scanpath = sesspath
self.stndrv.bf_data_dir = bfdsesdumpdir
# Boot Time handling
nw = datetime.datetime.utcnow()
startscantime = sesscans['scans'][0]['starttime']
if startscantime == 'NOW':
startscantime = nw
beaminittime = 13
bootupstart = startscantime - datetime.timedelta(seconds=beaminittime)
# Wait until it is time to bootup
print("In scansess: Will start scansession @ {}".format(bootupstart))
waituntil(bootupstart)
self.stndrv.goto_observingstate()
scans_done = []
for scan in sesscans['scans']:
freqbndobj = modeparms.FreqSetup(scan['beam']['freqspec'])
if scan['obsprog'] is not None:
_mockrun = False
if not _mockrun:
scanresult = programs.record_obsprog(self.stndrv, scan)
else:
scanresult = {}
else:
duration_tot = scan['duration_tot']
pointing = scan['beam']['pointing']
starttime = scan['starttime']
rec = scan['rec']
integration = scan['integration']
acc = False
if 'acc' in rec:
acc = True
rec.remove('acc')
bfs = False
if 'bfs' in rec:
bfs = True
rec.remove('bfs')
rec_type = None
if len(rec) > 0:
rec_type = rec.pop() # Should only be bsx left
freqspec = scan['beam']['freqspec']
freqsetup = modeparms.FreqSetup(freqspec)
starttime = waituntil(starttime, datetime.timedelta(seconds=2))
duration_tot, ldatinfos, ldatinfo_bfs, bfsdatapaths,\
bfslogpaths =\
rec_scan_start(self.stndrv, rec_type, freqsetup,
duration_tot, pointing, integration,
starttime, acc=acc, bfs=bfs,
destpath=sesspath)
if not bfs and not _xtract_bsx(rec_type):
print('Recording for {}s'.format(duration_tot + 10))
time.sleep(duration_tot + 10)
rec_scan_stop(self.stndrv, rec_type, freqsetup, pointing,
starttime, acc, bfs, duration_tot, ldatinfos,
ldatinfo_bfs, bfsdatapaths, bfslogpaths)
scanresult = self.stndrv.scanresult
scan['id'] = scanresult.pop('scan_id', None)
scanpath_scdat = scanresult.pop('scanpath_scdat', None)
self._writescanrecs(scanresult)
print("Saved scan here: {}".format(scanpath_scdat))
print("Finished scan @ {}".format(datetime.datetime.utcnow()))
scans_done.append(scan)
sesscans['scans'] = scans_done
self.save_scansess(sesscans)
