def main():
parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
parser.add_option("", "--PHYport", type="int", default=8500 , help="Socket port [default=%default] ")
parser.add_option("-n", "--node", type="intx", default=1, help="USRP2 node [default=%default]")
(options, args) = parser.parse_args ()
print '\n',"----------------------------"
print " PHY (RX) layer running ..."
print " (Ctrl + C) to exit"
print "----------------------------",'\n'
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((socket.gethostname(), options.PHYport))
server.listen(1)
# Launch all the buggers
data = cola()
ack = cola()
rts = cola()
cts = cola()
bcn = cola()
my_mac = mac.usrp2_node(options.node) # Assign the MAC address of the node
while 1:
socket_cliente, datos_cliente = server.accept()
hilo = Cliente(socket_cliente, datos_cliente,data,ack,rts,cts,bcn,my_mac)
hilo.start()
def main():
parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
parser.add_option("",
"--PHYport",
type="int",
default=8500,
help="Socket port [default=%default] ")
parser.add_option("-n",
"--node",
type="intx",
default=1,
help="USRP2 node [default=%default]")
(options, args) = parser.parse_args()
print '\n', "----------------------------"
print " PHY (RX) layer running ..."
print " (Ctrl + C) to exit"
print "----------------------------", '\n'
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((socket.gethostname(), options.PHYport))
server.listen(1)
# Launch all the buggers
data = cola()
ack = cola()
rts = cola()
cts = cola()
bcn = cola()
my_mac = mac.usrp2_node(options.node) # Assign the MAC address of the node
while 1:
socket_cliente, datos_cliente = server.accept()
hilo = Cliente(socket_cliente, datos_cliente, data, ack, rts, cts, bcn,
my_mac)
hilo.start()
def main():
def send_pkt(puerto, main_regime, sub_regime, eof=False):
return tb.txpath.send_pkt(puerto, main_regime, sub_regime, eof)
# def test_attribute(puerto, eof=False):
# return tb.txpath.test_attribute(puerto, eof)
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
parser.add_option("-a",
"--args",
type="string",
default="",
help="UHD device address args [default=%default]")
parser.add_option("",
"--spec",
type="string",
default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A",
"--antenna",
type="string",
default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-f",
"--freq",
type="eng_float",
default=5.87e9,
help="set USRP2 carrier frequency, [default=%default]",
metavar="FREQ")
parser.add_option("-w",
"--window-size",
type="int",
default=48,
help="set fir filter tap size [default=%default]")
parser.add_option("-s",
"--sync-length",
type="int",
default=256,
help="sync length [default=%default]")
parser.add_option("-W",
"--bandwidth",
type="eng_float",
default=20e6,
help="set symbol bandwidth [default=%default]\
20 MHz -> 802.11a/g, OFDM-symbol duration=4us, 10 MHz -> 802.11p, OFDM-symbolduration=8us"
)
parser.add_option("-g",
"--gain",
type="int",
default=20,
help="set USRP2 Rx GAIN in [dB] [default=%default]")
parser.add_option("",
"--regime",
type="string",
default="5",
help="set OFDM coderegime, [default=%default]\
1 -> 6 (3) Mbit/s (BPSK r=0.5), \
2 -> 9 (4.5) Mbit/s (BPSK r=0.75), \
3 -> 12 (6) Mbit/s (QPSK r=0.5), \
4 -> 18 (9) Mbit/s (QPSK r=0.75), \
5 -> 24 (12) Mbit/s (QAM16 r=0.5), \
6 -> 36 (18) Mbit/s (QAM16 r=0.75), \
7 -> 48 (24) Mbit/s (QAM64 r=0.66), \
8 -> 54 (27) Mbit/s (QAM64 r=0.75)")
parser.add_option("-G",
"--txgain",
type="int",
default=20,
help="set USRP2 Tx GAIN in [dB] [default=%default]")
parser.add_option(
"-n",
"--norm",
type="eng_float",
default=0.4,
help="set gain factor for complex baseband floats [default=%default]")
parser.add_option("-N",
"--Node",
type="intx",
default=1,
help="USRP2 node [default=%default]")
parser.add_option(
"-r",
"--repetition",
type="int",
default=1,
help=
"set number of frame-copies to send, 0=infinite [default=%default] ")
parser.add_option("-l",
"--log",
action="store_true",
default=True,
help="write debug-output of individual blocks to disk")
parser.add_option("",
"--PHYRXport",
type="int",
default=8513,
help="Port used for PHY RX [default=%default] ")
parser.add_option(
"",
"--PHYport",
type="int",
default=8013,
help="Port used for MAC-->PHY communication [default=%default] ")
parser.add_option("",
"--real-time",
action="store_true",
default=True,
help="Attempt to enable real-time scheduling")
parser.add_option('-v',
"--verbose",
action="store_true",
default=False,
help="Print timing information, [default=%default]")
parser.add_option("", "--nsym", type="int", default=1)
parser.add_option("", "--modulation", type="string", default="bpsk")
(options, args) = parser.parse_args()
# Stream sockets to ensure no packet loss during PHY<-->MAC communication
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
#server.bind((socket.gethostname(), options.PHYport))
server.bind((socket.gethostname(), options.PHYport))
server.listen(1) # PHY is ready to attend MAC requests
phy_rx_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
phy_rx_server.bind((socket.gethostname(), options.PHYRXport))
phy_rx_server.listen(1)
print '\n', "-------------------------"
print " PHY (TX) layer running ..."
print " (Ctrl + C) to exit"
print "-------------------------", '\n'
my_mac = mac.usrp2_node(options.Node) # Assign the MAC address of the node
rxclient = threading.Thread(target=RX_Client,
args=(options, my_mac, phy_rx_server))
rxclient.start()
# Initial values of variables used in time measurement
N_sym_prev = 4 # OFDM symbols of the previous packet sent
N_sensings = 0 # Number of power measurements
N_packets = 0 # Number of packets sent
time_socket = 0 # Instant time of socket communication
t_socket_TOTAL = 0 # Total time of socket communication
T_sense_USRP2 = 0 # Time of the USRP2 measuring the power
T_sense_PHY = 0 # Time elapsed in PHY layer due to a carrier sensing request
T_transmit_USRP2 = 0 # USRP2 TX time
T_configure_USRP2 = 0 # Time due to USRP2 graph management
T_transmit_PHY = 0 # Time elapsed in PHY layer due to a packet tx request
main_regime = int(options.regime)
sub_regime = 0
msgq = gr.msg_queue(1)
first_time = True # Is the first time to transmit?
#fg_cca = sense_block(options) # Set up the carrier sensing block for the first time.
tb = wifi_rx(options, socket.gethostname(), msgq)
tb.Start(True)
while 1:
socket_client, conn_addr = server.accept(
) # Waiting a request from the MAC layer
arrived_packet = plcp.receive_from_mac(
socket_client) # Packet received from MAC
print "Receive a packet from MAC......"
print "Arrived packet header: %s......" % arrived_packet["HEADER"]
print "Arrived DATA: %s......" % arrived_packet["DATA"]
if (arrived_packet["HEADER"] == "PKT"):
print "PHY receives a DATA frame from MAC......"
t_socket = time.time(
) - arrived_packet["DATA"]["INFO"]["timestamp"]
t_socket_TOTAL = t_socket_TOTAL + t_socket #Update the time used in the socket communication.
t_sendA = time.time()
item = arrived_packet[
"DATA"] # Copy the packet to send from the MAC message
info = item["INFO"]
N_sym = info["N_sym"] # Read N_sym and add N_sym to options
mod = info["modulation"]
options.nsym = N_sym
options.modulation = mod
print "Re-setting USRP2 graph!"
tb = transmitter_block(
options
) # If necessary, update the transmit flow-graph depending to the new OFDM parameters
r = gr.enable_realtime_scheduling()
if r != gr.RT_OK:
print "Warning: failed to enable realtime scheduling"
t_2 = time.time()
tb.start() # Send packet procedure starts
#test_attribute(item,eof=False)
t_sendB = time.time()
send_pkt(
item, main_regime, sub_regime, eof=False
) # 'item' is a dictionary which contents the packet to transmit and other information
print "Complete send_pkt(item,eof=False)"
send_pkt("", main_regime, sub_regime, eof=True)
print "Complete send_pkt(" ",eof=True)"
t_sendC = time.time()
print "t_sendC"
tb.wait() # Wait until USRP2 finishes the TX-graph
print "PHY successfully transmit one frame!!!!!!!"
t_sendD = time.time()
if options.verbose:
print "Time elapsed on graph configuration (TX Packet) = \t", (
t_sendB - t_2)
T_transmit_USRP2 = T_transmit_USRP2 + t_sendC - t_sendB
T_configure_USRP2 = T_configure_USRP2 + t_sendD - t_sendA - (
t_sendC - t_sendB)
T_transmit_PHY = T_transmit_PHY + t_sendD - t_sendA
# set values for the next packet tx request
first_time = False
N_sym_prev = N_sym # Keep a record of the OFDM symbols' Number
N_packets += 1
# Carrier sensing request
if (arrived_packet["HEADER"] == "CCA"):
#print "PHY receives a CCA from MAC......"
t_senseA = time.time()
#print "Breakpoint 1......"
msgq.flush()
#print "Breakpoint 2......"
t_reconfig = time.time() - t_senseA
#print "Breakpoint 3......"
m = msgq.delete_head()
#print "Breakpoint 4......"
t = m.to_string()
#print "The head deleted is %s......" %t
#print "Breakpoint 5......"
msgdata = struct.unpack('%df' % (int(m.arg2()), ), t)
#print "Breakpoint 6......"
sensed_power = msgdata[0]
#print "Breakpoint 7......"
t_senseB = time.time()
# PHY responds with the power measured to the MAC
#print "PHY creates CCA......"
packet = plcp.create_packet("CCA", sensed_power)
#print "PHY sends CCA to MAC......"
plcp.send_to_mac(socket_client, packet)
#print "MAC finishes sending CCA to MAC......"
t_senseC = time.time()
T_sense_USRP2 = T_sense_USRP2 + (t_senseB - t_senseA)
T_sense_PHY = T_sense_PHY + (t_senseC - t_senseA)
N_sensings += 1
if options.verbose:
print "Time elapsed on graph configuration (Carrier Sensing) = \t", t_reconfig
if (arrived_packet["HEADER"] == "RATE"):
header_pkt = arrived_packet["DATA"]
print "The header of the pkt is %s......................" % header_pkt
main_regime, sub_regime = v2r(int(header_pkt))
options.regime = str(main_regime)
print "Now the rate is %s..............................." % options.regime
# MAC requests an incoming packet to the PHY
if (arrived_packet["HEADER"] == "TAIL"):
header_pkt = arrived_packet["DATA"]
len_data = data.length()
len_ack = ack.length()
len_rts = rts.length()
len_cts = cts.length()
if (header_pkt
== "DATA") and len_data > 0: # There are Data packets?
#print "Header is DATA......"
data.elements.reverse()
x = data.read(0)
phy_pkt = plcp.create_packet("YES", x)
data.pop()
data.elements.reverse()
elif header_pkt == "ACK" and len_ack > 0: # There are ACK packets?
ack.elements.reverse()
x = ack.read(0)
phy_pkt = plcp.create_packet("YES", x)
ack.pop()
ack.elements.reverse()
elif header_pkt == "RTS" and len_rts > 0: # There are RTS packets?
rts.elements.reverse()
x = rts.read(0)
phy_pkt = plcp.create_packet("YES", x)
rts.pop()
rts.elements.reverse()
elif header_pkt == "CTS" and len_cts > 0: # There are CTS packets?
cts.elements.reverse()
x = cts.read(0)
phy_pkt = plcp.create_packet("YES", x)
cts.pop()
cts.elements.reverse()
else: # There are not packets
#print "There are no packets in PHY......"
phy_pkt = plcp.create_packet("NO", [])
#print "PHY sends notifications to MAC......"
plcp.send_to_mac(
socket_client,
phy_pkt) # Send the result (PHY packet) to MAC layer
#socket_client.close()
if options.verbose:
print "===================== Average statistics ===================="
print "Number of Carrier Sensing Requests = ", N_sensings
if N_sensings > 0:
print "Time spent by USRP2 on sensing channel = \t", T_sense_USRP2 / N_sensings
print "Time spent by PHY layer on sensing channel = \t", T_sense_PHY / N_sensings
print "============================================================="
print "Number of packets transmitted = ", N_packets
if N_packets > 1:
print "Time spent by USRP2 on sending a packet = \t", T_transmit_USRP2 / N_packets
print "Time spent by USRP2 on configuring the graphs\t", T_configure_USRP2 / N_packets
print "Time spent by PHY on sending a packet = \t", T_transmit_PHY / N_packets
print "Time spent on Socket Communication = \t", t_socket_TOTAL / N_packets
print "============================================================="
tb.Wait()
def main():
parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
parser.add_option("",
"--PHYport",
type="intx",
default=8013,
help="PHY communication socket port, [default=%default]")
parser.add_option("",
"--MACport",
type="intx",
default=8001,
help="MAC communication socket port, [default=%default]")
parser.add_option(
"-i",
"--interp",
type="intx",
default=10,
help="USRP2 interpolation factor value, [default=%default]\
5 -> 802.11a/g, OFDM T_Symbol=4us, \
10 -> 802.11p, OFDM T_Symbol=8us")
parser.add_option("",
"--regime",
type="string",
default="5",
help="OFDM regimecode [default=%default]\
1 -> 6 (3) Mbit/s (BPSK r=0.5), \
2 -> 9 (4.5) Mbit/s (BPSK r=0.75), \
3 -> 12 (6) Mbit/s (QPSK r=0.5), \
4 -> 18 (9) Mbit/s (QPSK r=0.75), \
5 -> 24 (12) Mbit/s (QAM16 r=0.5), \
6 -> 36 (18) Mbit/s (QAM16 r=0.75), \
7 -> 48 (24) Mbit/s (QAM64 r=0.66), \
8 -> 54 (27) Mbit/s (QAM64 r=0.75)")
parser.add_option("-n",
"--node",
type="intx",
default=1,
help="Number of USRP2 node, [default=%default]")
parser.add_option("",
"--beta",
type="float",
default=150000,
help="Scaling Time Parameter, [default=%default]")
parser.add_option("-t",
"--time_slot",
type="float",
default=9e-6,
help="Time slot value, [default=%default]")
parser.add_option(
"-B",
"--BI",
type="float",
default=1,
help="Beacon Interval (BI) value in seconds, [default=%default]")
parser.add_option(
"-S",
"--SIFS",
type="float",
default=16e-6,
help="Short Inter-frame space (SIFS) value, [default=%default]")
parser.add_option('',
"--retx",
action="store_true",
default=False,
help="Retransmissions enabled, [default=%default]")
parser.add_option('',
"--RTS",
action="store_true",
default=False,
help="RTS-threshold enabled, [default=%default]")
parser.add_option('-v',
"--V",
action="store_true",
default=True,
help="Print debug information, [default=%default]")
(options, args) = parser.parse_args()
my_mac = MAC.usrp2_node(options.node) # MAC address for this node
dest_mac = MAC.usrp2_node(
2) # Dummy value (updated when an incoming packet arrives)
beta = options.beta # scaling time parameter
tslot = options.time_slot * beta
SIFS = options.SIFS * beta
DIFS = SIFS + 2 * tslot
Preamble = DIFS #16e-6
PLCP_header = 4e-6 * beta
ACK_time = Preamble + PLCP_header
CW_min = 15
CW_max = 1023
RTS_THRESHOLD = 150
dot11FragmentationTh = 1036
# TX time estimation for a CTS and an ACK packet
empty_values = {"duration": 0, "mac_ra": my_mac, "timestamp": time.time()}
CTS_empty = MAC.generate_pkt("CTS", options.interp, options.regime,
empty_values)
T_cts = CTS_empty["INFO"]["txtime"]
ACK_empty = MAC.generate_pkt("ACK", options.interp, options.regime,
empty_values)
T_ack = ACK_empty["INFO"]["txtime"]
# Set socket ports
PHY_port = options.PHYport
#PHYRX_port = options.PHYRXport
MAC_port = options.MACport
# Variables involving MAC tests
testing = False # Testing mode active, used to conduct trials
N_TESTS = 1000 # Number of tests
N_TESTS_INI = N_TESTS
LONG_TESTS = 20 # Payload length for tests
payload_test = "0000" + LONG_TESTS * '1' # Payload for tests
test_with_sensing = True # Carrier Sensing (CS) allowed during the test
total_processing_time = 0 # Total processing time
t_sense_mean = 0 # CS average time
t_csense = 0 # CS time
t_MAC = 0 # MAC time
t_MAC_mean = 0 # MAC average time
packet_i = 0 # Packets sent counter
n_sensing = 0 # Number of CS performed
# 'State' controls the state of the MAC
State = "IDLE"
# Initial Conditions of the Finite State Machine
NAV = 0 # Network Allocation Vector
N_RETRIES = 0 # Retries to send a packet counter
busy_in_wfd = False # Busy in Wait_for_DIFS state
BO_frozen = "NO" # Backoff frozen
TX_attempts = 0 # Tries to send a packet counter
CTS_failed = False # CTS reception failed
chan = "FREE" # Channel state = IDDLE
N_SEQ = 0 # Sequence number counter
N_FRAG = 0 # Fragment number counter
first_tx = True # Is the first attempt to send a packet?
frag_count = 0 # Counter used during fragmentation
data_temp_reass = "" # Initial variable to perform de re-assembly process
verbose = True # Shows when the MAC is in 'IDDLE' state
beaconing = False # Is ON the Beaconing process?
fragmenting = 0 # Is the packet received a fragment?
if options.V:
print "============================================="
print " \t MAC layer: DCF + RTS/CTS"
print "============================================="
print "MAC address:", MAC.which_dir(my_mac)
print "Rate = ", options.regime
print "tslot(s): %f \t SIFS(s): %f" % (tslot, SIFS)
print "DIFS(s): %f \t T_ACK(s): %f" % (DIFS, ACK_time)
print "pseudo-random exp. BACKOFF [%i,%i]" % (CW_min, CW_max)
if options.RTS:
print "RTS/CTS: enabled"
print "\t with RTS Threshold(Bytes): %i \t" % RTS_THRESHOLD
else:
print "RTS/CTS: disabled"
print "Fragmentation Threshold (Bytes):", dot11FragmentationTh
if options.retx: print "Retransmissions: enabled"
else: print "Retransmissions: disabled"
print "Scaling time parameter = ", beta
print "============================================="
def main():
parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
parser.add_option("", "--PHYport", type="intx", default=8013,
help="PHY communication socket port, [default=%default]")
parser.add_option("", "--MACport", type="intx", default=8001,
help="MAC communication socket port, [default=%default]")
parser.add_option("-i", "--interp", type="intx", default=10,
help="USRP2 interpolation factor value, [default=%default]\
5 -> 802.11a/g, OFDM T_Symbol=4us, \
10 -> 802.11p, OFDM T_Symbol=8us")
parser.add_option("", "--regime", type="string", default="1",
help="OFDM regimecode [default=%default]\
1 -> 6 (3) Mbit/s (BPSK r=0.5), \
2 -> 9 (4.5) Mbit/s (BPSK r=0.75), \
3 -> 12 (6) Mbit/s (QPSK r=0.5), \
4 -> 18 (9) Mbit/s (QPSK r=0.75), \
5 -> 24 (12) Mbit/s (QAM16 r=0.5), \
6 -> 36 (18) Mbit/s (QAM16 r=0.75), \
7 -> 48 (24) Mbit/s (QAM64 r=0.66), \
8 -> 54 (27) Mbit/s (QAM64 r=0.75)")
parser.add_option("-n", "--node", type="intx", default=1,
help="Number of USRP2 node, [default=%default]")
parser.add_option("", "--beta", type="float", default=50000,
help="Scaling Time Parameter, [default=%default]")
parser.add_option("-t", "--time_slot", type="float", default=9e-6,
help="Time slot value, [default=%default]")
parser.add_option("-B", "--BI", type="float", default=1,
help="Beacon Interval (BI) value in seconds, [default=%default]")
parser.add_option("-S", "--SIFS", type="float", default=16e-6,
help="Short Inter-frame space (SIFS) value, [default=%default]")
parser.add_option('', "--retx", action="store_true", default=False,
help="Retransmissions enabled, [default=%default]")
parser.add_option('', "--RTS", action="store_true", default=True,
help="RTS-threshold enabled, [default=%default]")
parser.add_option('-v', "--V", action="store_true", default=False,
help="Print debug information, [default=%default]")
(options, args) = parser.parse_args ()
my_mac = MAC.usrp2_node(options.node) # MAC address for this node
dest_mac = MAC.usrp2_node(2) # Dummy value (updated when an incoming packet arrives)
"""
IEEE 802.11-a MAC parameters
"""
beta = options.beta # scaling time parameter
tslot = options.time_slot * beta
SIFS = options.SIFS * beta
DIFS = SIFS + 2 * tslot
Preamble = DIFS #16e-6
PLCP_header = 4e-6 * beta
ACK_time = Preamble + PLCP_header
CW_min = 15
CW_max = 1023
RTS_THRESHOLD = 150
dot11FragmentationTh = 1036
# TX time estimation for a CTS and an ACK packet
empty_values = {"duration":0, "mac_ra":my_mac, "timestamp":time.time()}
CTS_empty = MAC.generate_pkt("CTS", options.interp, options.regime, empty_values)
T_cts = CTS_empty["INFO"]["txtime"]
ACK_empty = MAC.generate_pkt("ACK", options.interp, options.regime, empty_values)
T_ack = ACK_empty["INFO"]["txtime"]
# Set socket ports
PHY_port = options.PHYport
#PHYRX_port = options.PHYRXport
MAC_port = options.MACport
# Variables involving MAC tests
testing = False # Testing mode active, used to conduct trials
N_TESTS = 1000 # Number of tests
N_TESTS_INI = N_TESTS
LONG_TESTS = 20 # Payload length for tests
payload_test = "0000" + LONG_TESTS*'1' # Payload for tests
test_with_sensing = True # Carrier Sensing (CS) allowed during the test
total_processing_time = 0 # Total processing time
t_sense_mean = 0 # CS average time
t_csense = 0 # CS time
t_MAC = 0 # MAC time
t_MAC_mean = 0 # MAC average time
packet_i=0 # Packets sent counter
n_sensing = 0 # Number of CS performed
# 'State' controls the state of the MAC
State = "IDLE"
# Initial Conditions of the Finite State Machine
NAV = 0 # Network Allocation Vector
N_RETRIES = 0 # Retries to send a packet counter
busy_in_wfd = False # Busy in Wait_for_DIFS state
BO_frozen = "NO" # Backoff frozen
TX_attempts = 0 # Tries to send a packet counter
CTS_failed = False # CTS reception failed
chan = "FREE" # Channel state = IDDLE
N_SEQ = 0 # Sequence number counter
N_FRAG = 0 # Fragment number counter
first_tx = True # Is the first attempt to send a packet?
frag_count = 0 # Counter used during fragmentation
data_temp_reass = "" # Initial variable to perform de re-assembly process
verbose = True # Shows when the MAC is in 'IDDLE' state
beaconing = False # Is ON the Beaconing process?
fragmenting = 0 # Is the packet received a fragment?
if options.V:
print "============================================="
print " \t MAC layer: DCF + RTS/CTS"
print "============================================="
print "MAC address:",MAC.which_dir(my_mac)
print "Rate = ",options.regime
print "tslot(s): %f \t SIFS(s): %f"%(tslot,SIFS)
print "DIFS(s): %f \t T_ACK(s): %f"%(DIFS, ACK_time)
print "pseudo-random exp. BACKOFF [%i,%i]"%(CW_min, CW_max)
if options.RTS:
print "RTS/CTS: enabled"
print "\t with RTS Threshold(Bytes): %i \t" %RTS_THRESHOLD
else: print "RTS/CTS: disabled"
print "Fragmentation Threshold (Bytes):",dot11FragmentationTh
if options.retx: print "Retransmissions: enabled"
else: print "Retransmissions: disabled"
print "Scaling time parameter = ",beta
print "============================================="
numero = 1 # number of tests to perform
test = True
print '\n',"----------------------------------"
print " PHY Fragmented traffic generator"
print " (Ctrl + C) to exit"
print "----------------------------------",'\n'
while test== True:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((socket.gethostname(), 8500))
N_SEQ = random.randint(0,4095) # Assign randomly a sequence number
N_FRAG = 0 # First fragment will always be 0
# Values for Fragmented Data packets
valores_DATA12={"payload":"HELLO_WO", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(2),"N_SEQ":500, "N_FRAG":0,"timestamp":time.time()}
valores_DATA13={"payload":"RLD_FRAG", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(3),"N_SEQ":501, "N_FRAG":1,"timestamp":time.time()}
valores_DATA14={"payload":"MENT_TX_", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(4),"N_SEQ":502, "N_FRAG":2,"timestamp":time.time()}
valores_DATA4={"payload":"TEST!!", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(4),"N_SEQ":499, "N_FRAG":0,"timestamp":time.time()}
# Generate the Fragmented Data packets with the selected values
paquete1=MAC.ftw_make("DATA_FRAG",valores_DATA12,"1",4)
paquete2=MAC.ftw_make("DATA_FRAG",valores_DATA13,"1",4)
paquete3=MAC.ftw_make("DATA",valores_DATA14,"1",4)
paquete4=MAC.ftw_make("DATA",valores_DATA4,"1",4)
# Transmitting sequence
if numero == 0:
pkt = crear_paquete("DATA",paquete4)
numero += 4
elif numero == 1:
def main():
def send_pkt(puerto, eof=False):
return tb.txpath.send_pkt(puerto, eof)
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args [default=%default]")
parser.add_option("", "--spec", type="string", default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-f", "--freq", type="eng_float",
default = 5.825e9, help="set USRP2 carrier frequency, [default=%default]",
metavar="FREQ")
parser.add_option("-w", "--window-size", type="int", default=48 , help = "set fir filter tap size [default=%default]")
parser.add_option("-s", "--sync-length", type="int", default=256 , help = "sync length [default=%default]")
parser.add_option("-W", "--bandwidth", type="eng_float", default=1e7, help="set symbol bandwidth [default=%default]\
20 MHz -> 802.11a/g, OFDM-symbol duration=4us, 10 MHz -> 802.11p, OFDM-symbolduration=8us")
parser.add_option("-g", "--gain", type="int", default=0 , help = "set USRP2 Rx GAIN in [dB] [default=%default]")
parser.add_option("", "--regime", type="string", default="1",
help="set OFDM coderegime, [default=%default]\
1 -> 6 (3) Mbit/s (BPSK r=0.5), \
2 -> 9 (4.5) Mbit/s (BPSK r=0.75), \
3 -> 12 (6) Mbit/s (QPSK r=0.5), \
4 -> 18 (9) Mbit/s (QPSK r=0.75), \
5 -> 24 (12) Mbit/s (QAM16 r=0.5), \
6 -> 36 (18) Mbit/s (QAM16 r=0.75), \
7 -> 48 (24) Mbit/s (QAM64 r=0.66), \
8 -> 54 (27) Mbit/s (QAM64 r=0.75)")
parser.add_option("-G", "--txgain", type="int", default=10 , help = "set USRP2 Tx GAIN in [dB] [default=%default]")
parser.add_option("-n", "--norm", type="eng_float", default=0.3 , help="set gain factor for complex baseband floats [default=%default]")
parser.add_option("-N", "--Node", type="intx", default=1, help="USRP2 node [default=%default]")
parser.add_option("-r", "--repetition", type="int", default=1 , help="set number of frame-copies to send, 0=infinite [default=%default] ")
parser.add_option("-l", "--log", action="store_true", default=False, help="write debug-output of individual blocks to disk")
parser.add_option("", "--PHYRXport", type="int", default=8513 , help="Port used for PHY RX [default=%default] ")
parser.add_option("", "--PHYport", type="int", default=8013 , help="Port used for MAC-->PHY communication [default=%default] ")
parser.add_option("", "--real-time", action="store_true", default=False,
help="Attempt to enable real-time scheduling")
parser.add_option('-v', "--verbose", action="store_true", default=False,
help="Print timing information, [default=%default]")
parser.add_option("", "--nsym", type="int", default=1)
parser.add_option("", "--modulation", type="string", default="bpsk")
(options, args) = parser.parse_args()
# Stream sockets to ensure no packet loss during PHY<-->MAC communication
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((socket.gethostname(), options.PHYport))
server.listen(1) # PHY is ready to attend MAC requests
phy_rx_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
phy_rx_server.bind((socket.gethostname(), options.PHYRXport))
phy_rx_server.listen(1)
print '\n',"-------------------------"
print " PHY (TX) layer running ..."
print " (Ctrl + C) to exit"
print "-------------------------",'\n'
my_mac = mac.usrp2_node(options.Node) # Assign the MAC address of the node
rxclient = threading.Thread(target=RX_Client, args=(options,my_mac,phy_rx_server))
rxclient.start()
# Initial values of variables used in time measurement
N_sym_prev=4 # OFDM symbols of the previous packet sent
N_sensings = 0 # Number of power measurements
N_packets = 0 # Number of packets sent
time_socket = 0 # Instant time of socket communication
t_socket_TOTAL = 0 # Total time of socket communication
T_sense_USRP2 = 0 # Time of the USRP2 measuring the power
T_sense_PHY = 0 # Time elapsed in PHY layer due to a carrier sensing request
T_transmit_USRP2 = 0 # USRP2 TX time
T_configure_USRP2 = 0 # Time due to USRP2 graph management
T_transmit_PHY = 0 # Time elapsed in PHY layer due to a packet tx request
msgq = gr.msg_queue(1)
first_time = True # Is the first time to transmit?
#fg_cca = sense_block(options) # Set up the carrier sensing block for the first time.
rb = receiver_block(options,socket.gethostname(),msgq)
rb.start()
while 1:
socket_client, conn_addr = server.accept() # Waiting a request from the MAC layer
arrived_packet=plcp.receive_from_mac(socket_client) # Packet received from MAC
if (arrived_packet["HEADER"]=="PKT"):
t_socket = time.time()-arrived_packet["DATA"]["INFO"]["timestamp"]
t_socket_TOTAL =t_socket_TOTAL + t_socket #Update the time used in the socket communication.
t_sendA = time.time()
item=arrived_packet["DATA"] # Copy the packet to send from the MAC message
info = item["INFO"]
N_sym=info["N_sym"] # Read N_sym and add N_sym to options
mod = info["modulation"]
options.nsym = N_sym
options.modulation=mod
print "Re-setting USRP2 graph!"
tb = transmitter_block(options) # If necessary, update the transmit flow-graph depending to the new OFDM parameters
r = gr.enable_realtime_scheduling()
if r != gr.RT_OK:
print "Warning: failed to enable realtime scheduling"
t_2 = time.time()
tb.start() # Send packet procedure starts
t_sendB= time.time()
send_pkt(item,eof=False) # 'item' is a dictionary which contents the packet to transmit and other information
send_pkt("",eof=True)
t_sendC = time.time()
tb.wait() # Wait until USRP2 finishes the TX-graph
t_sendD= time.time()
if options.verbose: print "Time elapsed on graph configuration (TX Packet) = \t", (t_sendB - t_2)
T_transmit_USRP2 = T_transmit_USRP2 + t_sendC-t_sendB
T_configure_USRP2 = T_configure_USRP2 + t_sendD-t_sendA - (t_sendC-t_sendB)
T_transmit_PHY = T_transmit_PHY + t_sendD-t_sendA
# set values for the next packet tx request
first_time=False
N_sym_prev = N_sym # Keep a record of the OFDM symbols' Number
N_packets += 1
# Carrier sensing request
if (arrived_packet["HEADER"]=="CCA"):
t_senseA = time.time()
msgq.flush()
t_reconfig = time.time()-t_senseA
m=msgq.delete_head()
t = m.to_string()
msgdata = struct.unpack('%df' % (int(m.arg2()),), t)
sensed_power=msgdata[0]
t_senseB = time.time()
# PHY responds with the power measured to the MAC
packet=plcp.create_packet("CCA",sensed_power)
plcp.send_to_mac(socket_client,packet)
t_senseC = time.time()
T_sense_USRP2 = T_sense_USRP2 + (t_senseB - t_senseA)
T_sense_PHY = T_sense_PHY + (t_senseC - t_senseA)
N_sensings +=1
if options.verbose: print "Time elapsed on graph configuration (Carrier Sensing) = \t", t_reconfig
# MAC requests an incoming packet to the PHY
if (arrived_packet["HEADER"]=="TAIL"):
header_pkt = arrived_packet["DATA"]
len_data = data.length()
len_ack = ack.length()
len_rts = rts.length()
len_cts = cts.length()
if (header_pkt == "DATA") and len_data>0: # There are Data packets?
data.elements.reverse()
x=data.read(0)
phy_pkt = plcp.create_packet("YES",x)
data.pop()
data.elements.reverse()
elif header_pkt == "ACK" and len_ack>0: # There are ACK packets?
ack.elements.reverse()
x=ack.read(0)
phy_pkt = plcp.create_packet("YES",x)
ack.pop()
ack.elements.reverse()
elif header_pkt == "RTS" and len_rts>0: # There are RTS packets?
rts.elements.reverse()
x=rts.read(0)
phy_pkt = plcp.create_packet("YES",x)
rts.pop()
rts.elements.reverse()
elif header_pkt == "CTS" and len_cts>0: # There are CTS packets?
cts.elements.reverse()
x=cts.read(0)
phy_pkt = plcp.create_packet("YES",x)
cts.pop()
cts.elements.reverse()
else: # There are not packets
phy_pkt = plcp.create_packet("NO",[])
plcp.send_to_mac(socket_client,phy_pkt) # Send the result (PHY packet) to MAC layer
socket_client.close()
if options.verbose:
print "===================== Average statistics ===================="
print "Number of Carrier Sensing Requests = ",N_sensings
if N_sensings>0:
print "Time spent by USRP2 on sensing channel = \t",T_sense_USRP2/N_sensings
print "Time spent by PHY layer on sensing channel = \t",T_sense_PHY/N_sensings
print "============================================================="
print "Number of packets transmitted = ",N_packets
if N_packets>1:
print "Time spent by USRP2 on sending a packet = \t",T_transmit_USRP2/N_packets
print "Time spent by USRP2 on configuring the graphs\t",T_configure_USRP2/N_packets
print "Time spent by PHY on sending a packet = \t",T_transmit_PHY/N_packets
print "Time spent on Socket Communication = \t", t_socket_TOTAL/N_packets
print "============================================================="
rb.wait()
def main():
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args [default=%default]")
parser.add_option("", "--spec", type="string", default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-f", "--freq", type="eng_float",
default = 5.825e9, help="set USRP2 carrier frequency, [default=%default]",
metavar="FREQ")
parser.add_option("-w", "--window-size", type="int", default=48 , help = "set fir filter tap size [default=%default]")
parser.add_option("-s", "--sync-length", type="int", default=256 , help = "sync length [default=%default]")
parser.add_option("-W", "--bandwidth", type="eng_float", default=1e7, help="set symbol bandwidth [default=%default]\
20 MHz -> 802.11a/g, OFDM-symbol duration=4us, 10 MHz -> 802.11p, OFDM-symbolduration=8us")
parser.add_option("-g", "--gain", type="int", default=0 , help = "set USRP2 Rx GAIN in [dB] [default=%default]")
parser.add_option("", "--regime", type="string", default="1",
help="set OFDM coderegime, [default=%default]\
1 -> 6 (3) Mbit/s (BPSK r=0.5), \
2 -> 9 (4.5) Mbit/s (BPSK r=0.75), \
3 -> 12 (6) Mbit/s (QPSK r=0.5), \
4 -> 18 (9) Mbit/s (QPSK r=0.75), \
5 -> 24 (12) Mbit/s (QAM16 r=0.5), \
6 -> 36 (18) Mbit/s (QAM16 r=0.75), \
7 -> 48 (24) Mbit/s (QAM64 r=0.66), \
8 -> 54 (27) Mbit/s (QAM64 r=0.75)")
parser.add_option("-G", "--txgain", type="int", default=10 , help = "set USRP2 Tx GAIN in [dB] [default=%default]")
parser.add_option("-n", "--norm", type="eng_float", default=0.3 , help="set gain factor for complex baseband floats [default=%default]")
parser.add_option("-N", "--Node", type="intx", default=1, help="USRP2 node [default=%default]")
parser.add_option("-r", "--repetition", type="int", default=1 , help="set number of frame-copies to send, 0=infinite [default=%default] ")
parser.add_option("-l", "--log", action="store_true", default=False, help="write debug-output of individual blocks to disk")
parser.add_option("", "--PHYRXport", type="int", default=8513 , help="Port used for PHY RX [default=%default] ")
parser.add_option("", "--PHYport", type="int", default=8013 , help="Port used for MAC-->PHY communication [default=%default] ")
parser.add_option("", "--tune-delay", type="eng_float", default=1e-4, metavar="SECS",
help="Carrier sensing parameter. Time to delay (in seconds) after changing frequency [default=%default]")
parser.add_option("", "--dwell-delay", type="eng_float", default=1e-3, metavar="SECS",
help="Carrier sensing parameter. Time to dwell (in seconds) at a given frequncy [default=%default]")
parser.add_option("-F", "--fft-size", type="int", default=256,
help="specify number of FFT bins [default=%default]")
parser.add_option("-d", "--decim", type="intx", default=16,
help="set the decimation value [default=%default]")
parser.add_option("", "--real-time", action="store_true", default=False,
help="Attempt to enable real-time scheduling")
parser.add_option('-v', "--verbose", action="store_true", default=False,
help="Print timing information, [default=%default]")
parser.add_option("", "--nsym", type="int", default=1)
parser.add_option("", "--modulation", type="string", default="bpsk")
(options, args) = parser.parse_args()
phy_rx_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
phy_rx_server.bind((socket.gethostname(), options.PHYRXport))
phy_rx_server.listen(1)
my_mac = mac.usrp2_node(options.Node) # Assign the MAC address of the node
rxclient = threading.Thread(target=RX_Client, args=(options,my_mac,phy_rx_server))
rxclient.start()
rb = receiver_block(options,socket.gethostname())
rb.start()
while 1:
len_other=other.length()
if (len_other>0):
other.elements.reverse()
x=other.read(0)
other.pop()
other.elements.reverse()
print x
#rb.stop()
#rb.wait()
#rb.start()
rb.stop()
rb.wait()
def main():
parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
parser.add_option("-n", "--node", type="intx", default=1, help="USRP2 node [default=%default]")
(options, args) = parser.parse_args ()
def crear_paquete(tipo,data):
packet={"TIPO":tipo,"DATOS":data}
return packet
#for loop used to test the correct RTS/CTS functionality, this limits the number of packets that arrived to the station
n_packets = 0
print '\n',"-------------------------"
print " PHY traffic generator ..."
print " (Ctrl + C) to exit"
print "-------------------------",'\n'
for i in range (1,100):
while n_packets < 100: # ADJUST THE NUMBER OF PACKETS GENERATED
#n_packets+=1 # NOTE: commented to force infinite packet generation
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((socket.gethostname(), 8500))
N_SEQ = random.randint(0,4095) # Assign sequence and fragment number
N_FRAG = 0
# Values for different frames based on the MAC address of each USRP2
valores_B1 = {"address2":MAC.usrp2_node(1), "N_SEQ":N_SEQ,"N_FRAG":0 ,"BI":1,"timestamp":time.time()}
valores_B2 = {"address2":MAC.usrp2_node(2), "N_SEQ":N_SEQ,"N_FRAG":0 ,"BI":1,"timestamp":time.time()}
valores_B3 = {"address2":MAC.usrp2_node(3), "N_SEQ":N_SEQ,"N_FRAG":0 ,"BI":1,"timestamp":time.time()}
valores_B4 = {"address2":MAC.usrp2_node(4), "N_SEQ":N_SEQ,"N_FRAG":0 ,"BI":1,"timestamp":time.time()}
valores_CTS1 = {"duration":0, "mac_ra":MAC.usrp2_node(1),"timestamp":time.time()}
valores_CTS2 = {"duration":0, "mac_ra":MAC.usrp2_node(2),"timestamp":time.time()}
valores_CTS3 = {"duration":0, "mac_ra":MAC.usrp2_node(3),"timestamp":time.time()}
valores_CTS4 = {"duration":0, "mac_ra":MAC.usrp2_node(4),"timestamp":time.time()}
valores_ACK1 = {"duration":0, "mac_ra": MAC.usrp2_node(1),"timestamp":time.time()}
valores_ACK2 = {"duration":0, "mac_ra": MAC.usrp2_node(2),"timestamp":time.time()}
valores_ACK3 = {"duration":0, "mac_ra": MAC.usrp2_node(3),"timestamp":time.time()}
valores_ACK4 = {"duration":0, "mac_ra": MAC.usrp2_node(4),"timestamp":time.time()}
valores_DATA12={"payload":"Paquete_que_llega12", "address1":MAC.usrp2_node(2),"address2":MAC.usrp2_node(1),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA13={"payload":"Paquete_que_llega13", "address1":MAC.usrp2_node(3),"address2":MAC.usrp2_node(1),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA14={"payload":"Paquete_que_llega14", "address1":MAC.usrp2_node(4),"address2":MAC.usrp2_node(1),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA21={"payload":"Paquete_que_llega21", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(2),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA23={"payload":"Paquete_que_llega23", "address1":MAC.usrp2_node(3),"address2":MAC.usrp2_node(2),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA24={"payload":"Paquete_que_llega24", "address1":MAC.usrp2_node(4),"address2":MAC.usrp2_node(2),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA31={"payload":"Paquete_que_llega31", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(3),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA32={"payload":"Paquete_que_llega32", "address1":MAC.usrp2_node(2),"address2":MAC.usrp2_node(3),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA34={"payload":"Paquete_que_llega34", "address1":MAC.usrp2_node(4),"address2":MAC.usrp2_node(3),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA41={"payload":"Paquete_que_llega41", "address1":MAC.usrp2_node(1),"address2":MAC.usrp2_node(4),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA42={"payload":"Paquete_que_llega42", "address1":MAC.usrp2_node(2),"address2":MAC.usrp2_node(4),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_DATA43={"payload":"Paquete_que_llega43", "address1":MAC.usrp2_node(3),"address2":MAC.usrp2_node(4),"N_SEQ":N_SEQ, "N_FRAG":N_FRAG, "timestamp":time.time()}
valores_RTS12 = {"duration":0, "mac_ra":MAC.usrp2_node(2), "mac_ta":MAC.usrp2_node(1),"timestamp":time.time()}
valores_RTS13 = {"duration":0, "mac_ra":MAC.usrp2_node(3), "mac_ta":MAC.usrp2_node(1),"timestamp":time.time()}
valores_RTS14 = {"duration":0, "mac_ra":MAC.usrp2_node(4), "mac_ta":MAC.usrp2_node(1),"timestamp":time.time()}
valores_RTS21 = {"duration":0, "mac_ra":MAC.usrp2_node(1), "mac_ta":MAC.usrp2_node(2),"timestamp":time.time()}
valores_RTS23 = {"duration":0, "mac_ra":MAC.usrp2_node(3), "mac_ta":MAC.usrp2_node(2),"timestamp":time.time()}
valores_RTS24 = {"duration":0, "mac_ra":MAC.usrp2_node(4), "mac_ta":MAC.usrp2_node(2),"timestamp":time.time()}
valores_RTS31 = {"duration":0, "mac_ra":MAC.usrp2_node(1), "mac_ta":MAC.usrp2_node(3),"timestamp":time.time()}
valores_RTS32 = {"duration":0, "mac_ra":MAC.usrp2_node(2), "mac_ta":MAC.usrp2_node(3),"timestamp":time.time()}
valores_RTS34 = {"duration":0, "mac_ra":MAC.usrp2_node(4), "mac_ta":MAC.usrp2_node(3),"timestamp":time.time()}
valores_RTS41 = {"duration":0, "mac_ra":MAC.usrp2_node(1), "mac_ta":MAC.usrp2_node(4),"timestamp":time.time()}
valores_RTS42 = {"duration":0, "mac_ra":MAC.usrp2_node(2), "mac_ta":MAC.usrp2_node(4),"timestamp":time.time()}
valores_RTS43 = {"duration":0, "mac_ra":MAC.usrp2_node(3), "mac_ta":MAC.usrp2_node(4),"timestamp":time.time()}
# Packet generation with the selected values
# FIX ME! By default, coderate = "1", which means 6 Mbps
paquete1=MAC.ftw_make("DATA",valores_DATA12,"1",4) # valores_DATA12 means node 1 sends a Data packet to node 2
paquete2=MAC.ftw_make("DATA",valores_DATA13,"1",4)
paquete3=MAC.ftw_make("DATA",valores_DATA14,"1",4)
paquete4=MAC.ftw_make("DATA",valores_DATA21,"1",4)
paquete5=MAC.ftw_make("DATA",valores_DATA23,"1",4)
paquete6=MAC.ftw_make("DATA",valores_DATA24,"1",4)
paquete7=MAC.ftw_make("DATA",valores_DATA31,"1",4)
paquete8=MAC.ftw_make("DATA",valores_DATA32,"1",4)
paquete9=MAC.ftw_make("DATA",valores_DATA34,"1",4)
paquete10=MAC.ftw_make("DATA",valores_DATA41,"1",4)
paquete11=MAC.ftw_make("DATA",valores_DATA42,"1",4)
paquete12=MAC.ftw_make("DATA",valores_DATA43,"1",4)
paquete13=MAC.ftw_make("RTS",valores_RTS12,"1",4) # valores_RTS12 means node 1 sends a RTS packet to node 2
paquete14=MAC.ftw_make("RTS",valores_RTS13,"1",4)
paquete15=MAC.ftw_make("RTS",valores_RTS14,"1",4)
paquete16=MAC.ftw_make("RTS",valores_RTS21,"1",4)
paquete16=MAC.ftw_make("RTS",valores_RTS23,"1",4)
paquete17=MAC.ftw_make("RTS",valores_RTS24,"1",4)
paquete18=MAC.ftw_make("RTS",valores_RTS31,"1",4)
paquete19=MAC.ftw_make("RTS",valores_RTS32,"1",4)
paquete20=MAC.ftw_make("RTS",valores_RTS34,"1",4)
paquete21=MAC.ftw_make("RTS",valores_RTS41,"1",4)
paquete22=MAC.ftw_make("RTS",valores_RTS42,"1",4)
paquete23=MAC.ftw_make("RTS",valores_RTS43,"1",4)
paquete24=MAC.ftw_make("CTS",valores_CTS1,"1",4) # valores_CTS1 means Receiver Addres = Node 1 MAC
paquete25=MAC.ftw_make("CTS",valores_CTS2,"1",4)
paquete26=MAC.ftw_make("CTS",valores_CTS3,"1",4)
paquete27=MAC.ftw_make("CTS",valores_CTS4,"1",4)
paquete28=MAC.ftw_make("ACK",valores_ACK1,"1",4) # valores_ACK1 means Receiver Addres = Node 1 MAC
paquete29=MAC.ftw_make("ACK",valores_ACK2,"1",4)
paquete30=MAC.ftw_make("ACK",valores_ACK3,"1",4)
paquete31=MAC.ftw_make("ACK",valores_ACK4,"1",4)
paquete32=MAC.ftw_make("BEACON",valores_B1,"1",4) # valores_B1 means a BEACON generated by node 1
paquete33=MAC.ftw_make("BEACON",valores_B2,"1",4)
paquete34=MAC.ftw_make("BEACON",valores_B3,"1",4)
paquete35=MAC.ftw_make("BEACON",valores_B4,"1",4)
random.seed(time.time())
# modify 'numero' in order to force the arrival of a selected packet to the PHY RX layer
numero = random.randint(0,33)
#DEBUG: used to test the correct RTS/CTS functionality (MAC RX-side)
#if n_packets == 1: numero = 12
#if n_packets == 2: numero = 24
#if n_packets == 3: numero = 0
#if n_packets == 4: numero = 28
#DEBUG: used to test the correct RTS/CTS functionality (MAC TX-side)
#if n_packets == 1: numero = 15
#if n_packets == 2: numero = 23
#if n_packets == 3: numero = 3
#if n_packets == 4: numero = 27
# Select which type of frame is going to be generated
if numero == 0:
pkt = crear_paquete("DATA",paquete1)
elif numero == 1:
pkt = crear_paquete("DATA",paquete2)
elif numero == 2:
pkt = crear_paquete("DATA",paquete3)
elif numero == 3:
pkt = crear_paquete("DATA",paquete4)
elif numero == 4:
pkt = crear_paquete("DATA",paquete5)
elif numero == 5:
pkt = crear_paquete("DATA",paquete6)
elif numero == 6:
pkt = crear_paquete("DATA",paquete7)
elif numero == 7:
pkt = crear_paquete("DATA",paquete8)
elif numero == 8:
pkt = crear_paquete("DATA",paquete9)
elif numero == 9:
pkt = crear_paquete("DATA",paquete10)
elif numero == 10:
pkt = crear_paquete("DATA",paquete11)
elif numero == 11:
pkt = crear_paquete("DATA",paquete12)
elif numero == 12:
pkt = crear_paquete("RTS",paquete13)
elif numero == 13:
pkt = crear_paquete("RTS",paquete14)
elif numero == 14:
pkt = crear_paquete("RTS",paquete15)
elif numero == 15:
pkt = crear_paquete("RTS",paquete16)
elif numero == 16:
pkt = crear_paquete("RTS",paquete17)
elif numero == 17:
pkt = crear_paquete("RTS",paquete18)
elif numero == 18:
pkt = crear_paquete("RTS",paquete19)
elif numero == 19:
pkt = crear_paquete("RTS",paquete20)
elif numero == 20:
pkt = crear_paquete("RTS",paquete21)
elif numero == 21:
pkt = crear_paquete("RTS",paquete22)
elif numero == 22:
pkt = crear_paquete("RTS",paquete23)
elif numero == 23:
pkt = crear_paquete("CTS",paquete24)
elif numero == 24:
pkt = crear_paquete("CTS",paquete25)
elif numero == 25:
pkt = crear_paquete("CTS",paquete26)
elif numero == 26:
pkt = crear_paquete("CTS",paquete27)
elif numero == 27:
pkt = crear_paquete("ACK",paquete28)
elif numero == 28:
pkt = crear_paquete("ACK",paquete29)
elif numero == 29:
pkt = crear_paquete("ACK",paquete30)
elif numero == 30:
pkt = crear_paquete("ACK",paquete31)
elif numero == 31:
if MAC.usrp2_node(options.node) == MAC.usrp2_node(1):
pkt = crear_paquete("OTHER",[])
else:
pkt = crear_paquete("BEACON",paquete32)
elif numero == 32:
if MAC.usrp2_node(options.node) == MAC.usrp2_node(2):
pkt = crear_paquete("OTHER",[])
else:
pkt = crear_paquete("BEACON",paquete33)
elif numero == 33:
if MAC.usrp2_node(options.node) == MAC.usrp2_node(3):
pkt = crear_paquete("OTHER",[])
else:
pkt = crear_paquete("BEACON",paquete34)
elif numero == 34:
if MAC.usrp2_node(options.node) == MAC.usrp2_node(4):
pkt = crear_paquete("OTHER",[])
else:
pkt = crear_paquete("BEACON",paquete35)
elif numero >35:
pkt = crear_paquete("OTHER",[])
n_packets -= 1
#n_packets += 1
paquete = pickle.dumps(pkt,1)
s.send(paquete)
s.close()
time.sleep(0.1) # Packet arrival interval