def init_sim(self,n):
"""
initialize simulation for n receivers.
"""
if n < 3:
print 'Number of receivers %i is less than three.' %n
print 'Simulation controller will not run.'
print 'Now exiting.'
sys.exit()
self.data.set_rx_number(n)
tx_loc = test_coords.get_tx_coords()
self.data.set_tx_location(tx_loc)
self.data.reset_rx_location()
for i in range(n):
rx_loc = alex_random.get_random_coord()
print "\n\n\n\n\n\nstore location: ", rx_loc
print '\n\n\n\n\n\n'
self.data.set_rx_location(rx_loc)
tof = self.geo_utils.time_of_flight(rx_loc,tx_loc)
self.data.set_rx_time_delay(tof)
id = i+1
self.data.set_rx_team_id(id)
if self.DEBUG:
print 'tx_loc: ', tx_loc
print 'rx_loc: ', rx_loc
print 'time: ', repr(tof)
print 'id: ', id
def init_sim(self, n):
"""
initialize simulation for n receivers.
"""
if n < 3:
print 'Number of receivers %i is less than three.' % n
print 'Simulation controller will not run.'
print 'Now exiting.'
sys.exit()
self.data.set_rx_number(n)
self.beacon = beacon()
tx_loc = test_coords.get_tx_coords()
self.data.set_tx_location(tx_loc)
for i in range(n):
rx_loc = alex_random.get_random_coord()
self.data.set_rx_location(rx_loc)
tof = self.geo_utils.time_of_flight(rx_loc, tx_loc)
self.data.set_rx_time_delay(tof)
id = i + 1
self.data.set_rx_team_id(id)
if self.DEBUG:
print 'tx_loc: ', tx_loc
print 'rx_loc: ', rx_loc
print 'time: ', repr(tof)
print 'id: ', id
def receiver_chain(self, h):
"""
simulate receiver chain for n repeaters
"""
self.host = h
n = self.data.get_rx_number()
beacon_packet = self.data.get_beacon_packet()
time_base = self.data.get_timestamp_base()
# lists containing data for all current teams
team_id = self.data.get_rx_team_id()
location = self.data.get_rx_location()
if ENABLE_LOCATION_HISTORY:
self.record_location_history(location)
tof = self.data.get_rx_time_delay()
if self.DEBUG:
print "\n\n\n\n\n\nretrieve location: ", location
print ''
print "type(tof): ", type(tof)
conn = psycopg2.connect(host=self.host,
user="******",
password="******",
database="sdrc_db")
cur = conn.cursor()
for i in range(n):
f = open('data_in.data', 'a')
(rx_pktno, ) = struct.unpack('!H', beacon_packet[0:2])
(beacon_ID, ) = struct.unpack('!H', beacon_packet[2:4])
# packet number
payload1 = struct.pack('!H', self.packet_number & 0xffff)
f.write(str(self.packet_number) + ';')
# team id
ident = team_id[i]
payload2 = struct.pack('!H', ident & 0xffff)
f.write(str(ident) + ';')
# location
if (self.iterator == 1):
loc = location[i]
else:
# old_loc = location[i]
# loc = alex_random.random_move(old_loc)
loc = alex_random.get_random_coord()
self.data.set_rx_location(i, loc)
f.write(str(loc) + ';')
self.iterator += 1
payload3 = new_sim_utils.pack_loc(loc)
# toa
t = tof[i]
toa = time_base + t
# if (ENABLE_JITTER):
# jitter = self.random_timing_jitter()
# toa = toa+jitter
# else:
# pass
if self.DEBUG:
print "t = tof[i]: ", repr(t)
print "type(t): ", type(t)
print "toa = time_base + t: ", repr(toa)
print "type(toa): ", type(toa)
payload4 = new_sim_utils.pack_time(toa)
f.write(repr(toa) + ';')
# beacon payload
payload5 = struct.pack('!H', rx_pktno & 0xffff)
f.write(str(rx_pktno) + ';')
payload6 = struct.pack('!H', beacon_ID & 0xffff)
f.write(str(beacon_ID) + '\n')
f.close()
# check if packet dropped
drop = self.drop_packet()
# this if evaluates true even if drop == False
# if (ENABLE_DROPPED_PACKETS and drop): # if drop == 'True'
# print 'ENABLE_DROPPED_PACKETS ', ENABLE_DROPPED_PACKETS
# print 'drop ', drop
# print (ENABLE_DROPPED_PACKETS and drop)
# print 'packet dropped'
# payload = ''
if ENABLE_DROPPED_PACKETS:
print 'ENABLE_DROPPED_PACKETS ', ENABLE_DROPPED_PACKETS
print 'drop ', drop
if drop: # if drop == 'True'
print 'drop ', drop
print 'packet dropped'
payload = ''
else: # if drop == 'False'
payload = (payload1 + payload2 + payload3 + payload4 +
payload5 + payload6)
else: # if drop == 'False'
payload = (payload1 + payload2 + payload3 + payload4 +
payload5 + payload6)
print "len(payload): ", len(payload)
cur.execute("INSERT INTO blob_table (field_1) VALUES (%s)",
(psycopg2.Binary(payload), ))
conn.commit()
cur.close()
conn.close()
self.packet_number += 1
def receiver_chain(self):
"""
simulate receiver chain for n repeaters
"""
n = self.data.get_rx_number()
beacon_packet = self.data.get_beacon_packet()
time_base = self.data.get_timestamp_base()
# lists containing data for all current teams
team_id = self.data.get_rx_team_id()
location = self.data.get_rx_location()
if ENABLE_LOCATION_HISTORY:
self.record_location_history(location)
tof = self.data.get_rx_time_delay()
if self.DEBUG:
print "\n\n\n\n\n\nretrieve location: ", location
print ''
print "type(tof): ", type(tof)
HOST = 'localhost' # The remote host
PORT = 1079 # The same port as used by the server
# conn = psycopg2.connect(host = "192.168.42.200",
# user = "******",
# password = "******",
# database = "sdrc_db")
conn = psycopg2.connect(host = "128.173.90.88",
user = "******",
password = "******",
database = "sdrc_db")
cur = conn.cursor()
for i in range(n):
f = open('data_in.data', 'a')
(rx_pktno,) = struct.unpack('!H', beacon_packet[0:2])
(beacon_ID,) = struct.unpack('!H', beacon_packet[2:4])
# packet number
payload1 = struct.pack('!H', self.packet_number & 0xffff)
f.write(str(self.packet_number) + ';')
# team id
ident = team_id[i]
payload2 = struct.pack('!H', ident & 0xffff)
f.write(str(ident) + ';')
# location
if (self.iterator == 1):
loc = location[i]
else:
# old_loc = location[i]
# loc = alex_random.random_move(old_loc)
loc = alex_random.get_random_coord()
self.data.set_rx_location(i,loc)
f.write(str(loc)+';')
self.iterator += 1
payload3 = new_sim_utils.pack_loc(loc)
# toa
t = tof[i]
toa = time_base + t
# if (ENABLE_JITTER):
# jitter = self.random_timing_jitter()
# toa = toa+jitter
# else:
# pass
if self.DEBUG:
print "t = tof[i]: ", repr(t)
print "type(t): ", type (t)
print "toa = time_base + t: ", repr(toa)
print "type(toa): ", type(toa)
payload4 = new_sim_utils.pack_time(toa)
f.write(repr(toa)+';')
# beacon payload
payload5 = struct.pack('!H', rx_pktno & 0xffff)
f.write(str(rx_pktno) + ';')
payload6 = struct.pack('!H', beacon_ID & 0xffff)
f.write(str(beacon_ID) + '\n')
f.close()
# check if packet dropped
drop = self.drop_packet()
# this if evaluates true even if drop == False
# if (ENABLE_DROPPED_PACKETS and drop): # if drop == 'True'
# print 'ENABLE_DROPPED_PACKETS ', ENABLE_DROPPED_PACKETS
# print 'drop ', drop
# print (ENABLE_DROPPED_PACKETS and drop)
# print 'packet dropped'
# payload = ''
if ENABLE_DROPPED_PACKETS:
print 'ENABLE_DROPPED_PACKETS ', ENABLE_DROPPED_PACKETS
print 'drop ', drop
if drop: # if drop == 'True'
print 'drop ', drop
print 'packet dropped'
payload = ''
else: # if drop == 'False'
payload = (payload1 + payload2 +
payload3 + payload4 +
payload5 + payload6)
else: # if drop == 'False'
payload = (payload1 + payload2 +
payload3 + payload4 +
payload5 + payload6)
print "len(payload): ", len(payload)
cur.execute("INSERT INTO blob_table (field_1) VALUES (%s)", (psycopg2.Binary(payload),))
conn.commit()
cur.close()
conn.close()
self.packet_number += 1