def start_run():
"""Check user form for completion. If it is complete, start the run.
This entails saving the user configuration in couchdb and
launching the data getter and emitter"""
global running
data = copy_form_data(run_info, request)
complete = check_form_data(run_info, data)
if not complete:
error = "All fields in the form must be filled."
return render_template('new_run.html', info=run_info,
data=data, error=error, new=True,
in_progress=running)
# Send a start run signal to fe_master.
context = zmq.Context()
handshake_sck = context.socket(zmq.REQ)
handshake_sck.setsockopt(zmq.LINGER, 0);
start_sck = context.socket(zmq.PUSH)
start_sck.setsockopt(zmq.LINGER, 0)
conf = json.load(open(os.path.join(cwd, '../fast/config/.default_master.json')))
start_sck.connect(conf['trigger_port'])
handshake_sck.connect(conf['handshake_port'])
msg = "CONNECT"
handshake_sck.send(msg)
if (handshake_sck.recv() == msg):
# Connection established.
start_sck.send("START:%05i:" % (run_info['last_run'] + 1))
handshake_sck.close()
start_sck.close()
context.destroy()
#save the run info
db = get_db(run_info['db_name'])
run_info['last_run'] += 1
data['run_number'] = run_info['last_run']
now = datetime.datetime.now()
data['Start Date'] = "%02i/%02i" % (now.month, now.day)
data['Start Time'] = "%02i:%02i" % (now.hour, now.minute)
save_db_data(db, data)
#start the run and launch the data emitter
running = True
data_io.begin_run()
t = threading.Thread(name='emitter', target=send_events)
t.start()
broadcast_refresh()
return redirect(url_for('home'))
def start_run():
"""Check user form for completion. If it is complete, start the run.
This entails saving the user configuration in couchdb and
launching the data getter and emitter"""
global running
data = copy_form_data(run_info, request)
if running:
error = 'There is already a run in progress!'
return render_template('new_run.html', info=run_info,
last=last_run_number(), data=data, error=error, new=True,
in_progress=running)
complete = check_form_data(run_info, data)
if not complete:
error = "Please fill in all fields."
return render_template('new_run.html', info=run_info,
last=last_run_number(), data=data, error=error, new=True,
in_progress=running)
# Send a start run signal to fe_master.
context = zmq.Context()
handshake_sck = context.socket(zmq.REQ)
handshake_sck.setsockopt(zmq.LINGER, 0);
handshake_sck.setsockopt(zmq.RCVTIMEO, 200);
start_sck = context.socket(zmq.PUSH)
conf = json.load(open(os.path.join(cwd, '../fast/config/.default_master.json')))
start_sck.connect(conf['trigger_port'])
handshake_sck.connect(conf['handshake_port'])
msg = "CONNECT"
handshake_sck.send(msg)
reply = ""
try:
reply = handshake_sck.recv()
except zmq.error.Again:
error = "fast-daq not responding (is it running?)"
return render_template('new_run.html', info=run_info,
last=last_run_number(), data=data, error=error, new=True,
in_progress=running)
else:
if reply == msg:
# Connection established.
start_sck.send("START:%05i:" % (last_run_number() + 1))
finally:
handshake_sck.close()
start_sck.close()
context.destroy()
#save the run info
db = connect_db(run_info['db_name'])
data['run_number'] = last_run_number() + 1
now = datetime.datetime.now()
data['Start Date'] = "%02i/%02i/%04i" % (now.month, now.day, now.year)
data['Start Time'] = "%02i:%02i" % (now.hour, now.minute)
db.save(data)
#start the run and launch the data emitter
running = True
data_io.begin_run()
t = threading.Thread(name='emitter', target=send_events)
t.start()
broadcast_refresh()
return redirect(url_for('home'))
