def main (self):
self.log (2, "UWBProcDaemon::main configure_child()")
self.configure_child()
self.log (2, "UWBProcDaemon::main wait_for_smrb()")
SMRBDaemon.waitForSMRB(self.db_key, self)
if self.quit_event.isSet():
self.log (-1, "UWBProcDaemon::main quit event was set after waiting for SMRB creation")
return
# continuously run the main command waiting on the SMRB
while (not self.quit_event.isSet()):
# wait for the header to determine if folding is required
cmd = "dada_header -k " + self.db_key + " -t " + self.tag
self.log(2, "UWBProcDaemon::main " + cmd)
self.binary_list.append (cmd)
rval, lines = self.system (cmd, 2, True)
self.binary_list.remove (cmd)
# if the command returned ok and we have a header
if rval != 0:
time.sleep(0.1)
if self.quit_event.isSet():
self.log (2, "UWBProcDaemon::main " + cmd + " failed, but quit_event true")
else:
self.log (-2, "UWBProcDaemon::main " + cmd + " failed")
self.quit_event.set()
elif len(lines) == 0:
self.log (-2, "UWBProcDaemon::main header was empty")
self.quit_event.set()
else:
self.log (2, "UWBProcDaemon::main parsing header")
self.header = Config.parseHeader (lines)
# account for lower to upper sideband conversion
if not abs(float(self.bw)) == float(self.header["BW"]):
self.log (-1, "configured bandwidth ["+self.bw+"] != self.header["+self.header["BW"]+"]")
if not float(self.cfreq) == float(self.header["FREQ"]):
self.log (-1, "configured cfreq ["+self.cfreq+"] != self.header["+self.header["FREQ"]+"]")
if not int(self.nchan) == int(self.header["NCHAN"]):
self.log (-2, "configured nchan ["+self.nchan+"] != self.header["+self.header["NCHAN"]+"]")
self.source = self.header["SOURCE"]
self.utc_start = self.header["UTC_START"]
# call the child class prepare method
self.log (2, "UWBProcDaemon::main prepare()")
valid = self.prepare()
if valid:
# ensure the output directory exists
self.log (2, "UWBProcDaemon::main creating out_dir: " + self.out_dir)
if not os.path.exists (self.out_dir):
os.makedirs (self.out_dir, 0755)
# write the sub-bands header to the out_dir
header_file = self.out_dir + "/obs.header"
self.log (2, "UWBProcDaemon::main writing obs.header to out_dir")
Config.writeDictToCFGFile (self.header, header_file)
# configure the output pipe
self.log (2, "UWBProcDaemon::main configuring output log pipe")
log_host = self.cfg["SERVER_HOST"]
log_port = int(self.cfg["SERVER_LOG_PORT"])
log_pipe = LogSocket (self.log_prefix, self.log_prefix,
str(self.id), "stream",
log_host, log_port, int(DL))
log_pipe.connect()
# get any modifications to the environment
env = self.getEnvironment()
# add the binary command to the kill list
self.binary_list.append (self.cmd)
# create processing threads
self.log (2, "UWBProcDaemon::main creating processing threads")
cmd = "numactl -C " + self.cpu_core + " -- " + self.cmd
proc_thread = UWBProcThread (self, cmd, log_pipe.sock, env, 1)
# start processing threads
self.log (2, "UWBProcDaemon::main starting processing thread")
proc_thread.start()
self.log (1, "START " + self.cmd)
# join processing threads
self.log (2, "UWBProcDaemon::main waiting for proc thread to terminate")
rval = proc_thread.join()
self.log (2, "UWBProcDaemon::main proc thread joined")
self.log (1, "END " + self.cmd)
# remove the binary command from the list
self.binary_list.remove (self.cmd)
if rval:
self.log (-2, "UWBProcDaemon::main proc thread failed")
quit_event.set()
log_pipe.close()
# good practise in case the proc thread always fails
time.sleep(1)
else:
self.log (2, "MEERKATProcDaemon::main skip this processing")
time.sleep(10)
self.log (2, "UWBProcDaemon::main processing loop completed")
def main(self):
self.log(2, "UWBProcDaemon::main configure_child()")
self.configure_child()
self.log(2, "UWBProcDaemon::main wait_for_smrb()")
SMRBDaemon.waitForSMRB(self.db_key, self)
if self.quit_event.isSet():
self.log(
-1,
"UWBProcDaemon::main quit event was set after waiting for SMRB creation"
)
return
# continuously run the main command waiting on the SMRB
while (not self.quit_event.isSet()):
# wait for the header to determine if folding is required
cmd = "dada_header -k " + self.db_key + " -t " + self.tag
self.log(2, "UWBProcDaemon::main " + cmd)
self.binary_list.append(cmd)
rval, lines = self.system(cmd, 2, True)
self.binary_list.remove(cmd)
# if the command returned ok and we have a header
if rval != 0:
time.sleep(0.1)
if self.quit_event.isSet():
self.log(
2, "UWBProcDaemon::main " + cmd +
" failed, but quit_event true")
else:
self.log(-2, "UWBProcDaemon::main " + cmd + " failed")
self.quit_event.set()
elif len(lines) == 0:
self.log(-2, "UWBProcDaemon::main header was empty")
self.quit_event.set()
else:
self.log(2, "UWBProcDaemon::main parsing header")
self.header = Config.parseHeader(lines)
# account for lower to upper sideband conversion
if not abs(float(self.bw)) == float(self.header["BW"]):
self.log(
-1, "configured bandwidth [" + self.bw +
"] != self.header[" + self.header["BW"] + "]")
if not float(self.cfreq) == float(self.header["FREQ"]):
self.log(
-1, "configured cfreq [" + self.cfreq +
"] != self.header[" + self.header["FREQ"] + "]")
if not int(self.nchan) == int(self.header["NCHAN"]):
self.log(
-2, "configured nchan [" + self.nchan +
"] != self.header[" + self.header["NCHAN"] + "]")
self.source = self.header["SOURCE"]
self.utc_start = self.header["UTC_START"]
# call the child class prepare method
self.log(2, "UWBProcDaemon::main prepare()")
valid = self.prepare()
if valid:
# ensure the output directory exists
self.log(
2, "UWBProcDaemon::main creating out_dir: " +
self.out_dir)
if not os.path.exists(self.out_dir):
os.makedirs(self.out_dir, 0755)
# write the sub-bands header to the out_dir
header_file = self.out_dir + "/obs.header"
self.log(
2, "UWBProcDaemon::main writing obs.header to out_dir")
Config.writeDictToCFGFile(self.header, header_file)
# configure the output pipe
self.log(
2, "UWBProcDaemon::main configuring output log pipe")
log_host = self.cfg["SERVER_HOST"]
log_port = int(self.cfg["SERVER_LOG_PORT"])
log_pipe = LogSocket(self.log_prefix, self.log_prefix,
str(self.id), "stream", log_host,
log_port, int(DL))
log_pipe.connect()
# get any modifications to the environment
env = self.getEnvironment()
# add the binary command to the kill list
self.binary_list.append(self.cmd)
# create processing threads
self.log(
2, "UWBProcDaemon::main creating processing threads")
cmd = "numactl -C " + self.cpu_core + " -- " + self.cmd
proc_thread = UWBProcThread(self, cmd, log_pipe.sock, env,
1)
# start processing threads
self.log(2,
"UWBProcDaemon::main starting processing thread")
proc_thread.start()
self.log(1, "START " + self.cmd)
# join processing threads
self.log(
2,
"UWBProcDaemon::main waiting for proc thread to terminate"
)
rval = proc_thread.join()
self.log(2, "UWBProcDaemon::main proc thread joined")
self.log(1, "END " + self.cmd)
# remove the binary command from the list
self.binary_list.remove(self.cmd)
if rval:
self.log(-2, "UWBProcDaemon::main proc thread failed")
quit_event.set()
log_pipe.close()
# good practise in case the proc thread always fails
time.sleep(1)
else:
self.log(2, "MEERKATProcDaemon::main skip this processing")
time.sleep(10)
self.log(2, "UWBProcDaemon::main processing loop completed")
def main (self):
if self.gen_histogram:
self.hg_plot = HistogramPlot()
self.valid_plots.append("histogram")
if self.gen_bandpass:
self.bp_plot = BandpassPlot()
self.valid_plots.append("bandpass")
if self.gen_timeseries:
self.ts_plot = TimeseriesPlot()
self.valid_plots.append("timeseries")
if self.gen_freqtime:
self.ft_plot = FreqTimePlot()
self.valid_plots.append("freqtime")
# stats files are stored in flat directory structure
# stats_dir / beam / cfreq
if not os.path.exists(self.processing_dir):
os.makedirs(self.processing_dir, 0755)
# get the data block keys
db_prefix = self.cfg["DATA_BLOCK_PREFIX"]
db_id = self.cfg["RECEIVING_DATA_BLOCK"]
num_stream = self.cfg["NUM_STREAM"]
stream_id = str(self.id)
self.debug("stream_id=" + str(self.id))
self.db_key = SMRBDaemon.getDBKey (db_prefix, stream_id, num_stream, db_id)
self.debug("db_key=" + self.db_key)
# start dbstats in a separate thread
self.stat_dir = self.processing_dir + "/" + self.beam_name + "/" + self.cfreq
self.archived_dir = self.processing_dir + "/archived/" + self.beam_name + "/" + self.cfreq
if not os.path.exists(self.stat_dir):
os.makedirs(self.stat_dir, 0755)
if not os.path.exists(self.archived_dir):
os.makedirs(self.archived_dir, 0755)
# configure the histogram plot with all channels included
self.hg_plot.configure (-1, self.histogram_abs_xmax)
log = False
zap = False
transpose = False
# configure the freq v time plot
if self.gen_freqtime:
self.ft_plot.configure (log, zap, transpose)
# configure the bandpass plot
log = True
if self.gen_bandpass:
self.bp_plot.configure (log, zap, transpose)
log_host = self.cfg["SERVER_HOST"]
log_port = int(self.cfg["SERVER_LOG_PORT"])
# stat will use the stream config file created for the recv command
self.stream_config_file = "/tmp/spip_stream_" + str(self.id) + ".cfg"
while (not os.path.exists(self.stream_config_file)):
self.debug("waiting for stream_config file [" + self.stream_config_file +"] to be created by recv")
time.sleep(1)
self.debug("wait_for_smrb()")
smrb_exists = SMRBDaemon.waitForSMRB(self.db_key, self)
if not smrb_exists:
self.log(-2, "smrb["+str(self.id)+"] no valid SMRB with " +
"key=" + self.db_key)
self.quit_event.set()
return
stat_cmd = self.build_cmd()
while (not self.quit_event.isSet()):
process_stats = True
# wait for the header to determine when dbstats should run
cmd = "dada_header -k " + self.db_key + " -t stat"
self.info(cmd)
self.binary_list.append (cmd)
rval, lines = self.system (cmd)
self.binary_list.remove (cmd)
# if the command returned ok and we have a header
if rval != 0:
if self.quit_event.isSet():
self.debug(cmd + " failed, but quit_event true")
else:
self.error(cmd + " failed")
self.quit_event.set()
elif len(lines) == 0:
self.error("header was empty")
self.quit_event.set()
else:
self.debug("parsing header")
self.header = Config.parseHeader (lines)
try:
if self.header["ZERO_INPUT"] == "1":
process_stats = False
except:
self.debug("ZERO_INPUT did not exist in header")
if self.quit_event.isSet():
self.debug("quit event set, exiting loop")
continue
if not process_stats:
self.debug("not analyzing stats due to ZERO_INPUT")
time.sleep(5)
continue
# create a log pipe for the stats command
stat_log_pipe = LogSocket ("stat_src", "stat_src", str(self.id), "stream",
log_host, log_port, int(DL))
# connect up the log file output
stat_log_pipe.connect()
# add this binary to the list of active commands
kill_cmd = self.cfg["STREAM_STATS_BINARY"] + " -k " + self.db_key
self.info("kill_cmd=" + kill_cmd)
self.binary_list.append (kill_cmd)
self.log (1, "START " + stat_cmd)
# initialize the threads
stat_thread = dbstatsThread (stat_cmd, self.stat_dir, stat_log_pipe.sock, 2)
self.debug("cmd=" + stat_cmd)
self.debug("starting stat thread")
stat_thread.start()
self.debug("stat thread started")
pref_freq = 0
while stat_thread.is_alive() and not self.quit_event.isSet():
# get a list of all the files in stat_dir
files = os.listdir (self.stat_dir)
self.debug("found " + str(len(files)) + " in " + self.stat_dir)
# if stat files exist in the directory
if len(files) > 0:
if self.gen_histogram:
self.process_hg (pref_freq)
if self.gen_bandpass:
self.process_bp (pref_freq)
if self.gen_freqtime:
self.process_ft (pref_freq)
if self.gen_timeseries:
self.process_ts ()
self.process_ms ()
self.results["lock"].acquire()
pref_freq = self.pref_freq
self.results["timestamp"] = times.getCurrentTime()
self.results["valid"] = self.ms_valid
if self.gen_histogram:
self.results["valid"] |= self.hg_valid
if self.gen_timeseries:
self.results["valid"] |= self.ts_valid
if self.gen_freqtime:
self.results["valid"] |= self.ft_valid
if self.gen_bandpass:
self.results["valid"] |= self.bp_valid
self.results["lock"].release()
time.sleep(5)
self.debug("joining stat thread")
rval = stat_thread.join()
self.debug("stat thread joined")
self.log (1, "END " + stat_cmd)
if rval:
self.log (-2, "stat thread failed")
self.quit_event.set()
def main(self):
if not os.path.exists(self.proc_dir):
os.makedirs(self.proc_dir, 0755)
# get the data block keys
db_prefix = self.cfg["DATA_BLOCK_PREFIX"]
num_stream = self.cfg["NUM_STREAM"]
stream_id = str(self.id)
self.debug("stream_id=" + str(self.id))
# 4 data blocks
in_id = self.cfg["RECEIVING_DATA_BLOCK"]
trans_id = self.cfg["TRANSIENTS_DATA_BLOCK"]
out_id = self.cfg["PROCESSING_DATA_BLOCK"]
# 4 data block keys
in_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream, in_id)
trans_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream,
trans_id)
out_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream, out_id)
log_host = self.cfg["SERVER_HOST"]
log_port = int(self.cfg["SERVER_LOG_PORT"])
self.debug("SMRBDaemon.waitForSMRB()")
smrb_exists = SMRBDaemon.waitForSMRB(in_key, self)
if not smrb_exists:
self.error("smrb["+str(self.id)+"] no valid SMRB with " +
"key=" + self.db_key)
self.quit_event.set()
return
# determine the number of channels to be processed by this stream
(cfreq, bw, nchan) = self.cfg["SUBBAND_CONFIG_" + stream_id].split(":")
# this stat command will not change from observation to observation
preproc_cmd = "uwb_preprocessing_pipeline " + in_key + " " + \
trans_key + " " + out_key + " -d " + \
self.cfg["GPU_ID_" + stream_id]
tag = "preproc" + stream_id
# enter the main loop
while (not self.quit_event.isSet()):
# wait for the header to acquire the processing parameters
cmd = "dada_header -k " + in_key + " -t " + tag
self.debug(cmd)
self.binary_list.append(cmd)
rval, lines = self.system(cmd, 2, True)
self.binary_list.remove(cmd)
if rval != 0 or self.quit_event.isSet():
return
self.debug("parsing header")
header = Config.parseHeader(lines)
cmd = preproc_cmd
utc_start = header["UTC_START"]
source = header["SOURCE"]
freq = header["FREQ"]
# directory in which to run preprocessor
proc_dir = self.proc_dir + "/" + utc_start + "/" + source + "/" + \
freq
if not os.path.exists(proc_dir):
os.makedirs(proc_dir, 0755)
# write the header to the proc_dir
header_file = proc_dir + "/obs.header"
self.debug("writing obs.header to out_dir")
Config.writeDictToCFGFile(header, header_file)
run_adaptive_filter = (header["ADAPTIVE_FILTER"] == "1")
# presense of RFI reference is based on NPOL == 3
have_rfi_reference_pol = (int(header["NPOL"]) == 3)
# presence of a calibration signal
run_calibration = (header["CAL_SIGNAL"] == "1")
# run the transients processor
# run_transients = (header["TRANSIENTS"] == "1")
run_transients = False
# RFI reference pol is assumed to be last pol
if have_rfi_reference_pol:
rfi_reference_pol = int(header["NPOL"]) - 1
self.info("Header NPOL=" + str(int(header["NPOL"])) +
" RFI reference signal present in pol " +
str(rfi_reference_pol))
cmd = cmd + " -r " + str(rfi_reference_pol)
if run_adaptive_filter:
self.info("Adaptive filter active")
cmd = cmd + " -a "
if run_calibration:
self.info("Calibration active")
try:
avg_time = header["TSYS_AVG_TIME"]
except KeyError:
avg_time = "10"
try:
freq_res = header["TSYS_FREQ_RES"]
except KeyError:
freq_res = "1"
cmd = cmd + " -c " + avg_time + " -e " + freq_res
if run_transients:
self.info("Transients active")
cmd = cmd + " -f " + header["TRANS_TSAMP"]
# AJ todo check the channelisation limits with Nuer
if run_adaptive_filter or run_calibration or run_transients:
cmd = cmd + " -n 1024"
# create a log pipe for the stats command
log_pipe = LogSocket("preproc_src", "preproc_src",
str(self.id), "stream", log_host,
log_port, int(DL))
# connect up the log file output
log_pipe.connect()
# add this binary to the list of active commands
self.binary_list.append("uwb_preprocessing_pipeline " + in_key)
self.info("START " + cmd)
# initialize the threads
preproc_thread = preprocThread(cmd, proc_dir, log_pipe.sock, 2)
self.debug("starting preproc thread")
preproc_thread.start()
self.debug("preproc thread started")
self.debug("joining preproc thread")
rval = preproc_thread.join()
self.debug("preproc thread joined")
self.info("END " + cmd)
if rval:
self.error("preproc thread failed")
cmd = "touch " + proc_dir + "/obs.finished"
rval, lines = self.system(cmd, 2)
self.quit_event.set()
else:
cmd = "touch " + proc_dir + "/obs.finished"
rval, lines = self.system(cmd, 2)
def main(self):
if self.gen_histogram:
self.hg_plot = HistogramPlot()
self.valid_plots.append("histogram")
if self.gen_bandpass:
self.bp_plot = BandpassPlot()
self.valid_plots.append("bandpass")
if self.gen_timeseries:
self.ts_plot = TimeseriesPlot()
self.valid_plots.append("timeseries")
if self.gen_freqtime:
self.ft_plot = FreqTimePlot()
self.valid_plots.append("freqtime")
# stats files are stored in flat directory structure
# stats_dir / beam / cfreq
if not os.path.exists(self.processing_dir):
os.makedirs(self.processing_dir, 0755)
# get the data block keys
db_prefix = self.cfg["DATA_BLOCK_PREFIX"]
db_id = self.cfg["RECEIVING_DATA_BLOCK"]
num_stream = self.cfg["NUM_STREAM"]
stream_id = str(self.id)
self.debug("stream_id=" + str(self.id))
self.db_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream,
db_id)
self.debug("db_key=" + self.db_key)
# start dbstats in a separate thread
self.stat_dir = self.processing_dir + "/" + self.beam_name + "/" + self.cfreq
self.archived_dir = self.processing_dir + "/archived/" + self.beam_name + "/" + self.cfreq
if not os.path.exists(self.stat_dir):
os.makedirs(self.stat_dir, 0755)
if not os.path.exists(self.archived_dir):
os.makedirs(self.archived_dir, 0755)
# configure the histogram plot with all channels included
self.hg_plot.configure(-1, self.histogram_abs_xmax)
log = False
zap = False
transpose = False
# configure the freq v time plot
if self.gen_freqtime:
self.ft_plot.configure(log, zap, transpose)
# configure the bandpass plot
log = True
if self.gen_bandpass:
self.bp_plot.configure(log, zap, transpose)
log_host = self.cfg["SERVER_HOST"]
log_port = int(self.cfg["SERVER_LOG_PORT"])
# stat will use the stream config file created for the recv command
self.stream_config_file = "/tmp/spip_stream_" + str(self.id) + ".cfg"
while (not os.path.exists(self.stream_config_file)):
self.debug("waiting for stream_config file [" +
self.stream_config_file + "] to be created by recv")
time.sleep(1)
self.debug("wait_for_smrb()")
smrb_exists = SMRBDaemon.waitForSMRB(self.db_key, self)
if not smrb_exists:
self.log(
-2, "smrb[" + str(self.id) + "] no valid SMRB with " + "key=" +
self.db_key)
self.quit_event.set()
return
stat_cmd = self.build_cmd()
while (not self.quit_event.isSet()):
process_stats = True
# wait for the header to determine when dbstats should run
cmd = "dada_header -k " + self.db_key + " -t stat"
self.info(cmd)
self.binary_list.append(cmd)
rval, lines = self.system(cmd)
self.binary_list.remove(cmd)
# if the command returned ok and we have a header
if rval != 0:
if self.quit_event.isSet():
self.debug(cmd + " failed, but quit_event true")
else:
self.error(cmd + " failed")
self.quit_event.set()
elif len(lines) == 0:
self.error("header was empty")
self.quit_event.set()
else:
self.debug("parsing header")
self.header = Config.parseHeader(lines)
try:
if self.header["ZERO_COPY"] == "1":
process_stats = False
except:
self.debug("ZERO_COPY did not exist in header")
if self.quit_event.isSet():
self.debug("quit event set, exiting loop")
continue
if not process_stats:
self.debug("not analyzing stats due to ZERO_COPY")
time.sleep(5)
continue
# create a log pipe for the stats command
stat_log_pipe = LogSocket("stat_src", "stat_src", str(self.id),
"stream", log_host, log_port, int(DL))
# connect up the log file output
stat_log_pipe.connect()
# add this binary to the list of active commands
kill_cmd = self.cfg["STREAM_STATS_BINARY"] + " -k " + self.db_key
self.info("kill_cmd=" + kill_cmd)
self.binary_list.append(kill_cmd)
self.log(1, "START " + stat_cmd)
# initialize the threads
stat_thread = dbstatsThread(stat_cmd, self.stat_dir,
stat_log_pipe.sock, 2)
self.debug("cmd=" + stat_cmd)
self.debug("starting stat thread")
stat_thread.start()
self.debug("stat thread started")
pref_freq = 0
while stat_thread.is_alive() and not self.quit_event.isSet():
# get a list of all the files in stat_dir
files = os.listdir(self.stat_dir)
self.debug("found " + str(len(files)) + " in " + self.stat_dir)
# if stat files exist in the directory
if len(files) > 0:
if self.gen_histogram:
self.process_hg(pref_freq)
if self.gen_bandpass:
self.process_bp(pref_freq)
if self.gen_freqtime:
self.process_ft(pref_freq)
if self.gen_timeseries:
self.process_ts()
self.process_ms()
self.results["lock"].acquire()
pref_freq = self.pref_freq
self.results["timestamp"] = times.getCurrentTime()
self.results["valid"] = self.ms_valid
if self.gen_histogram:
self.results["valid"] |= self.hg_valid
if self.gen_timeseries:
self.results["valid"] |= self.ts_valid
if self.gen_freqtime:
self.results["valid"] |= self.ft_valid
if self.gen_bandpass:
self.results["valid"] |= self.bp_valid
self.results["lock"].release()
time.sleep(5)
self.debug("joining stat thread")
rval = stat_thread.join()
self.debug("stat thread joined")
self.log(1, "END " + stat_cmd)
if rval:
self.log(-2, "stat thread failed")
self.quit_event.set()
def main (self):
db_id = self.cfg["RECEIVING_DATA_BLOCK"]
db_prefix = self.cfg["DATA_BLOCK_PREFIX"]
num_stream = self.cfg["NUM_STREAM"]
self.db_key = SMRBDaemon.getDBKey (db_prefix, self.id, num_stream, db_id)
# wait for the SMRB to exist before continuing
self.log(2, "main: SMRBDaemon.waitForSMRB()")
smrb_exists = SMRBDaemon.waitForSMRB(self.db_key, self)
# don't proceed without an SMRB
if not smrb_exists:
self.log(-2, "smrb["+str(self.id)+"] no valid SMRB with " +
"key=" + self.db_key)
self.quit_event.set()
return
# configuration file for recvsim stream
self.local_config = self.getConfiguration()
self.local_config_file = "/tmp/spip_stream_" + str(self.id) + ".cfg"
self.cpu_core = self.cfg["STREAM_RECV_CORE_" + str(self.id)]
self.ctrl_port = str(int(self.cfg["STREAM_CTRL_PORT"]) + int(self.id))
self.configured = True
self.running = False
env = self.getEnvironment()
# external control loop to allow for reconfiguration of RECV
while not self.quit_event.isSet():
while not self.quit_event.isSet() and not self.configured:
self.log(3, "main: waiting for configuration")
sleep(1)
if self.quit_event.isSet():
return
Config.writeDictToCFGFile (self.local_config, self.local_config_file)
self.log(3, "main: configured")
cmd = self.getCommand(self.local_config_file)
self.binary_list.append (cmd)
self.log(3, "main: sleep(1)")
sleep(1)
self.log(3, "main: log_pipe = LogSocket(recvsim_src))")
log_pipe = LogSocket ("recvsim_src", "recvsim_src", str(self.id), "stream",
self.cfg["SERVER_HOST"], self.cfg["SERVER_LOG_PORT"],
int(DL))
self.log(3, "main: log_pipe.connect()")
log_pipe.connect()
self.log(3, "main: sleep(1)")
sleep(1)
self.running = True
self.log(1, "START " + cmd)
# this should be a persistent / blocking command
rval = self.system_piped (cmd, log_pipe.sock)
self.running = False
self.binary_list.remove (cmd)
self.log(1, "END " + cmd)
if rval:
if self.quit_event.isSet():
self.log (-2, cmd + " failed with return value " + str(rval))
log_pipe.close ()
def main(self):
if not os.path.exists(self.proc_dir):
os.makedirs(self.proc_dir, 0755)
# get the data block keys
db_prefix = self.cfg["DATA_BLOCK_PREFIX"]
num_stream = self.cfg["NUM_STREAM"]
stream_id = str(self.id)
self.debug("stream_id=" + str(self.id))
# 4 data blocks
in_id = self.cfg["RECEIVING_DATA_BLOCK"]
trans_id = self.cfg["TRANSIENTS_DATA_BLOCK"]
out_id = self.cfg["PROCESSING_DATA_BLOCK"]
# 4 data block keys
in_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream, in_id)
trans_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream,
trans_id)
out_key = SMRBDaemon.getDBKey(db_prefix, stream_id, num_stream, out_id)
log_host = self.cfg["SERVER_HOST"]
log_port = int(self.cfg["SERVER_LOG_PORT"])
self.debug("SMRBDaemon.waitForSMRB()")
smrb_exists = SMRBDaemon.waitForSMRB(in_key, self)
if not smrb_exists:
self.error("smrb[" + str(self.id) + "] no valid SMRB with " +
"key=" + self.db_key)
self.quit_event.set()
return
# determine the number of channels to be processed by this stream
(cfreq, bw, nchan) = self.cfg["SUBBAND_CONFIG_" + stream_id].split(":")
# this stat command will not change from observation to observation
preproc_cmd = "uwb_preprocessing_pipeline " + in_key + " " + \
trans_key + " " + out_key + " -d " + \
self.cfg["GPU_ID_" + stream_id]
tag = "preproc" + stream_id
# enter the main loop
while (not self.quit_event.isSet()):
# wait for the header to acquire the processing parameters
cmd = "dada_header -k " + in_key + " -t " + tag
self.debug(cmd)
self.binary_list.append(cmd)
rval, lines = self.system(cmd, 2, True)
self.binary_list.remove(cmd)
if rval != 0 or self.quit_event.isSet():
return
self.debug("parsing header")
header = Config.parseHeader(lines)
cmd = preproc_cmd
utc_start = header["UTC_START"]
source = header["SOURCE"]
freq = header["FREQ"]
# directory in which to run preprocessor
proc_dir = self.proc_dir + "/" + utc_start + "/" + source + "/" + \
freq
if not os.path.exists(proc_dir):
os.makedirs(proc_dir, 0755)
# write the header to the proc_dir
header_file = proc_dir + "/obs.header"
self.debug("writing obs.header to out_dir")
Config.writeDictToCFGFile(header, header_file)
run_adaptive_filter = (header["ADAPTIVE_FILTER"] == "1")
# presense of RFI reference is based on NPOL == 3
have_rfi_reference_pol = (int(header["NPOL"]) == 3)
# presence of a calibration signal
run_calibration = (header["CAL_SIGNAL"] == "1")
# run the transients processor
# run_transients = (header["TRANSIENTS"] == "1")
run_transients = False
# RFI reference pol is assumed to be last pol
if have_rfi_reference_pol:
rfi_reference_pol = int(header["NPOL"]) - 1
self.info("Header NPOL=" + str(int(header["NPOL"])) +
" RFI reference signal present in pol " +
str(rfi_reference_pol))
cmd = cmd + " -r " + str(rfi_reference_pol)
if run_adaptive_filter:
self.info("Adaptive filter active")
cmd = cmd + " -a "
if run_calibration:
self.info("Calibration active")
try:
avg_time = header["TSYS_AVG_TIME"]
except KeyError:
avg_time = "10"
try:
freq_res = header["TSYS_FREQ_RES"]
except KeyError:
freq_res = "1"
cmd = cmd + " -c " + avg_time + " -e " + freq_res
if run_transients:
self.info("Transients active")
cmd = cmd + " -f " + header["TRANS_TSAMP"]
# AJ todo check the channelisation limits with Nuer
if run_adaptive_filter or run_calibration or run_transients:
cmd = cmd + " -n 1024"
# create a log pipe for the stats command
log_pipe = LogSocket("preproc_src", "preproc_src", str(self.id),
"stream", log_host, log_port, int(DL))
# connect up the log file output
log_pipe.connect()
# add this binary to the list of active commands
self.binary_list.append("uwb_preprocessing_pipeline " + in_key)
self.info("START " + cmd)
# initialize the threads
preproc_thread = preprocThread(cmd, proc_dir, log_pipe.sock, 2)
self.debug("starting preproc thread")
preproc_thread.start()
self.debug("preproc thread started")
self.debug("joining preproc thread")
rval = preproc_thread.join()
self.debug("preproc thread joined")
self.info("END " + cmd)
if rval:
self.error("preproc thread failed")
cmd = "touch " + proc_dir + "/obs.finished"
rval, lines = self.system(cmd, 2)
self.quit_event.set()
else:
cmd = "touch " + proc_dir + "/obs.finished"
rval, lines = self.system(cmd, 2)