def __init__(self, machine_time_step, time_scale_factor):
threading.Thread.__init__(self)
self.machine_time_step = machine_time_step
self.time_scale_factor = time_scale_factor
self.visualiser = None
self.done = False
self.queuer = PortQueuer()
self.DEBUG = config.getboolean("Visualiser", "debug")
def __init__(self, machine_time_step, time_scale_factor):
threading.Thread.__init__(self)
self.machine_time_step = machine_time_step
self.time_scale_factor = time_scale_factor
self.visualiser = None
self.done = False
self.queuer = PortQueuer()
self.DEBUG = config.getboolean("Visualiser", "debug")
class VisulaiserListener(threading.Thread):
def __init__(self, machine_time_step, time_scale_factor):
threading.Thread.__init__(self)
self.machine_time_step = machine_time_step
self.time_scale_factor = time_scale_factor
self.visualiser = None
self.done = False
self.queuer = PortQueuer()
self.DEBUG = config.getboolean("Visualiser", "debug")
def set_visualiser(self, vis):
self.visualiser = vis
def set_timeout(self, timeout):
print("Timeout set to %f" % timeout)
if timeout > 0:
thread.start_new_thread(_timeout, (self, timeout))
self.queuer.set_timeout(timeout)
def set_bufsize(self, bufsize):
self.bufsize = bufsize
def stop(self):
logger.info("[port_listener] Stopping")
self.queuer.stop()
self.done = True
def set_port(self, port):
self.queuer.set_port(port)
def run(self):
logger.info("[port_listener] starting")
self.queuer.start()
last_update_time = datetime.datetime.now()
t_tic = 0
last_time_packet_recieved = datetime.datetime.now()
if self.DEBUG:
max_neuronid = 200
while not self.done:
try:
t_tic, last_update_time = self.handle_timer_forces(
last_update_time, last_time_packet_recieved, t_tic)
# if done every 200 ms
if not self.DEBUG:
#print "trying to recive"
data = self.queuer.get_packet()
if data is None:
break
# print "received"
(ip_time_out_byte, pad_byte, flags_byte, tag_byte,
dest_port_byte, source_port_byte, dest_addr_short,
source_addr_short, command_short, sequence_short,
arg1_int, arg2_int, arg3_int) =\
struct.unpack_from("<BBBBBBHHHHiii", data, 0)
header_length = 26
spikedatalen = len(data) - header_length
t_tic = arg1_int
last_time_packet_recieved = datetime.datetime.now()
for spike in range(0, spikedatalen, 4):
spikeWord = struct.unpack_from("<I", data, spike +
header_length)[0]
x = packet_conversions.get_x_from_key(spikeWord)
y = packet_conversions.get_y_from_key(spikeWord)
p = packet_conversions.get_p_from_key(spikeWord)
nid = packet_conversions.get_nid_from_key(spikeWord)
# logger.debug("received packet from {},{},{}".format(x,y,p))
self.visualiser.spike_recieved({
'coords': [x, y, p],
'neuron_id': nid,
'tag': tag_byte,
'time_in_ticks': t_tic,
'spike_word': spikeWord
})
else: #create fake spikes
t_tic = self.generate_fake_spikes(packet_count, t_tic)
except socket.timeout:
pass
except Exception as e:
if not self.done:
traceback.print_exc()
logger.debug(
"[visualiser_listener] Error receiving data: %s" % e)
def handle_timer_forces(self, last_update_time, last_time_packet_recieved,
t_tic):
now = datetime.datetime.now()
time_since_last_update = now - last_update_time
if time_since_last_update.microseconds >= 100:
time_since_last_packet_received = (datetime.datetime.now() -
last_time_packet_recieved)
extra = (
(time_since_last_packet_received.total_seconds() * 1000000.0) /
(self.machine_time_step * self.time_scale_factor))
t_tic = t_tic + extra
self.visualiser.cool_downer()
self.visualiser.redraw_graphs(t_tic)
last_update_time = now
#deal with possible call backs
resets = self.visualiser.get_resets()
for entry in resets:
if entry['pt'] is None and t_tic >= entry['t']:
entry['p'].reset_values()
entry['pt'] = t_tic
entry['p'].set_reset(entry)
if entry['pt'] is not None and t_tic >= entry['t'] + entry['pt']:
entry['p'].reset_values()
entry['pt'] = t_tic
entry['p'].set_reset(entry)
return t_tic, last_update_time
def generate_fake_spikes(self, packet_count, t_tic):
time.sleep(0.1)
x = 0
y = 0
p = 2
nid = packet_count
spike_word = x << 24 | y << 16 | p - 1 << 11 | nid
packet_count += 1
if packet_count >= 100:
packet_count = 0
last_time_packet_recieved = datetime.datetime.now()
self.visualiser.spike_recieved({
'coords': [x, y, p],
'neuron_id': nid,
'tag': None,
'time_in_ticks': t_tic,
'spike_word': spike_word
})
t_tic += 1
return t_tic
class VisulaiserListener(threading.Thread):
def __init__(self, machine_time_step, time_scale_factor):
threading.Thread.__init__(self)
self.machine_time_step = machine_time_step
self.time_scale_factor = time_scale_factor
self.visualiser = None
self.done = False
self.queuer = PortQueuer()
self.DEBUG = config.getboolean("Visualiser", "debug")
def set_visualiser(self, vis):
self.visualiser = vis
def set_timeout(self, timeout):
print("Timeout set to %f" % timeout)
if timeout > 0:
thread.start_new_thread(_timeout, (self, timeout))
self.queuer.set_timeout(timeout)
def set_bufsize(self, bufsize):
self.bufsize = bufsize;
def stop(self):
logger.info("[port_listener] Stopping")
self.queuer.stop()
self.done = True
def set_port(self, port):
self.queuer.set_port(port)
def run(self):
logger.info("[port_listener] starting")
self.queuer.start()
last_update_time = datetime.datetime.now()
t_tic = 0
last_time_packet_recieved = datetime.datetime.now()
if self.DEBUG:
max_neuronid = 200
while not self.done:
try:
t_tic, last_update_time = self.handle_timer_forces(
last_update_time, last_time_packet_recieved, t_tic)
# if done every 200 ms
if not self.DEBUG:
#print "trying to recive"
data = self.queuer.get_packet()
if data is None:
break
# print "received"
(ip_time_out_byte, pad_byte, flags_byte, tag_byte,
dest_port_byte, source_port_byte, dest_addr_short,
source_addr_short, command_short, sequence_short,
arg1_int, arg2_int, arg3_int) =\
struct.unpack_from("<BBBBBBHHHHiii", data, 0)
header_length = 26
spikedatalen = len(data) - header_length
t_tic = arg1_int
last_time_packet_recieved = datetime.datetime.now()
for spike in range(0, spikedatalen, 4):
spikeWord = struct.unpack_from("<I", data, spike + header_length)[0]
x = packet_conversions.get_x_from_key(spikeWord)
y = packet_conversions.get_y_from_key(spikeWord)
p = packet_conversions.get_p_from_key(spikeWord)
nid = packet_conversions.get_nid_from_key(spikeWord)
# logger.debug("received packet from {},{},{}".format(x,y,p))
self.visualiser.spike_recieved({'coords':[x,y,p],
'neuron_id':nid,
'tag': tag_byte,
'time_in_ticks': t_tic,
'spike_word': spikeWord})
else:#create fake spikes
t_tic = self.generate_fake_spikes(packet_count, t_tic)
except socket.timeout:
pass
except Exception as e:
if not self.done:
traceback.print_exc()
logger.debug("[visualiser_listener] Error receiving data: %s" % e)
def handle_timer_forces(self, last_update_time, last_time_packet_recieved, t_tic):
now = datetime.datetime.now()
time_since_last_update = now - last_update_time
if time_since_last_update.microseconds >= 100:
time_since_last_packet_received = (datetime.datetime.now()
- last_time_packet_recieved)
extra = ((time_since_last_packet_received.total_seconds()
* 1000000.0)
/ (self.machine_time_step * self.time_scale_factor))
t_tic = t_tic + extra
self.visualiser.cool_downer()
self.visualiser.redraw_graphs(t_tic)
last_update_time = now
#deal with possible call backs
resets = self.visualiser.get_resets()
for entry in resets:
if entry['pt'] is None and t_tic >= entry['t']:
entry['p'].reset_values()
entry['pt'] = t_tic
entry['p'].set_reset(entry)
if entry['pt'] is not None and t_tic >= entry['t']+entry['pt']:
entry['p'].reset_values()
entry['pt'] = t_tic
entry['p'].set_reset(entry)
return t_tic, last_update_time
def generate_fake_spikes(self, packet_count, t_tic):
time.sleep(0.1)
x = 0
y = 0
p = 2
nid = packet_count
spike_word = x << 24 | y << 16 | p - 1 << 11 | nid
packet_count += 1
if packet_count >= 100:
packet_count = 0
last_time_packet_recieved = datetime.datetime.now()
self.visualiser.spike_recieved({'coords':[x,y,p],
'neuron_id':nid,
'tag': None,
'time_in_ticks': t_tic,
'spike_word': spike_word})
t_tic += 1
return t_tic