def __init__(self,
bind_addr,
remote_addr,
base_port,
name=None,
child_idx=0,
clck_gen=None,
pwr_meas=None):
# Connection info
self.remote_addr = remote_addr
self.bind_addr = bind_addr
self.base_port = base_port
self.child_idx = child_idx
# Meta info
self.name = name
log.info("Init transceiver '%s'" % self)
# Child transceiver cannot have its own clock
if clck_gen is not None and child_idx > 0:
raise TypeError("Child transceiver cannot have its own clock")
# Init DATA interface
self.data_if = DATAInterface(remote_addr,
base_port + child_idx * 2 + 102,
bind_addr, base_port + child_idx * 2 + 2)
# Init CTRL interface
self.ctrl_if = CTRLInterfaceTRX(self, remote_addr,
base_port + child_idx * 2 + 101,
bind_addr,
base_port + child_idx * 2 + 1)
# Init optional CLCK interface
self.clck_gen = clck_gen
if clck_gen is not None:
self.clck_if = UDPLink(remote_addr, base_port + 100, bind_addr,
base_port)
# Optional Power Measurement interface
self.pwr_meas = pwr_meas
# Internal state
self.running = False
# Actual RX / TX frequencies
self._rx_freq = None
self._tx_freq = None
# Frequency hopping parameters (set by CTRL)
self.fh = None
# List of active (configured) timeslots
self.ts_list = []
# List of child transceivers
self.child_trx_list = TRXList()
def __init__(self):
self.app_print_copyright(APP_CR_HOLDERS)
self.argv = self.parse_argv()
# Set up signal handlers
signal.signal(signal.SIGINT, self.sig_handler)
# Configure logging
self.app_init_logging(self.argv)
# List of all transceivers
self.trx_list = TRXList()
# Init shared clock generator
self.clck_gen = CLCKGen([])
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.fake_pm = FakePM(-120, -105, -75, -50)
self.fake_pm.trx_list = self.trx_list
# Init TRX instance for BTS
self.append_trx(self.argv.bts_addr,
self.argv.bts_base_port,
name="BTS")
# Init TRX instance for BB
self.append_trx(self.argv.bb_addr, self.argv.bb_base_port, name="MS")
# Additional transceivers (optional)
if self.argv.trx_list is not None:
for trx_def in self.argv.trx_list:
(name, addr, port, idx) = trx_def
self.append_child_trx(addr, port, idx, name)
# Burst forwarding between transceivers
self.burst_fwd = BurstForwarder(self.trx_list.trx_list)
log.info("Init complete")
def __init__(self):
self.app_print_copyright(APP_CR_HOLDERS)
self.argv = self.parse_argv()
# Set up signal handlers
signal.signal(signal.SIGINT, self.sig_handler)
# Configure logging
self.app_init_logging(self.argv)
# List of all transceivers
self.trx_list = TRXList()
# Init shared clock generator
self.clck_gen = CLCKGen([])
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.fake_pm = FakePM(-120, -105, -75, -50)
self.fake_pm.trx_list = self.trx_list
# Init TRX instance for BTS
self.append_trx(self.argv.bts_addr,
self.argv.bts_base_port, name = "BTS")
# Init TRX instance for BB
self.append_trx(self.argv.bb_addr,
self.argv.bb_base_port, name = "MS")
# Additional transceivers (optional)
if self.argv.trx_list is not None:
for trx_def in self.argv.trx_list:
(name, addr, port, idx) = trx_def
self.append_child_trx(addr, port, idx, name)
# Burst forwarding between transceivers
self.burst_fwd = BurstForwarder(self.trx_list)
log.info("Init complete")
class Application(ApplicationBase):
def __init__(self):
self.app_print_copyright(APP_CR_HOLDERS)
self.argv = self.parse_argv()
# Set up signal handlers
signal.signal(signal.SIGINT, self.sig_handler)
# Configure logging
self.app_init_logging(self.argv)
# List of all transceivers
self.trx_list = TRXList()
# Init shared clock generator
self.clck_gen = CLCKGen([])
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.fake_pm = FakePM(-120, -105, -75, -50)
self.fake_pm.trx_list = self.trx_list
# Init TRX instance for BTS
self.append_trx(self.argv.bts_addr,
self.argv.bts_base_port,
name="BTS")
# Init TRX instance for BB
self.append_trx(self.argv.bb_addr, self.argv.bb_base_port, name="MS")
# Additional transceivers (optional)
if self.argv.trx_list is not None:
for trx_def in self.argv.trx_list:
(name, addr, port, idx) = trx_def
self.append_child_trx(addr, port, idx, name)
# Burst forwarding between transceivers
self.burst_fwd = BurstForwarder(self.trx_list.trx_list)
log.info("Init complete")
def append_trx(self, remote_addr, base_port, name=None):
trx = FakeTRX(self.argv.trx_bind_addr,
remote_addr,
base_port,
clck_gen=self.clck_gen,
pwr_meas=self.fake_pm,
name=name)
self.trx_list.add_trx(trx)
def append_child_trx(self, remote_addr, base_port, child_idx, name=None):
# Index 0 corresponds to the first transceiver
if child_idx == 0:
self.append_trx(remote_addr, base_port, name)
return
# Find 'parent' transceiver for a new child
trx_parent = self.trx_list.find_trx(remote_addr, base_port)
if trx_parent is None:
raise IndexError("Couldn't find parent transceiver "
"for '%s:%d/%d'" %
(remote_addr, base_port, child_idx))
# Allocate a new child
trx_child = FakeTRX(self.argv.trx_bind_addr,
remote_addr,
base_port,
child_idx=child_idx,
pwr_meas=self.fake_pm,
name=name)
self.trx_list.add_trx(trx_child)
# Link a new 'child' with its 'parent'
trx_parent.child_trx_list.add_trx(trx_child)
def run(self):
# Compose list of to be monitored sockets
sock_list = []
for trx in self.trx_list.trx_list:
sock_list.append(trx.ctrl_if.sock)
sock_list.append(trx.data_if.sock)
# Enter main loop
while True:
# Wait until we get any data on any socket
r_event, _, _ = select.select(sock_list, [], [])
# Iterate over all transceivers
for trx in self.trx_list.trx_list:
# DATA interface
if trx.data_if.sock in r_event:
msg = trx.recv_data_msg()
if msg is not None:
self.burst_fwd.forward_msg(trx, msg)
# CTRL interface
if trx.ctrl_if.sock in r_event:
trx.ctrl_if.handle_rx()
def shutdown(self):
log.info("Shutting down...")
# Stop clock generator
self.clck_gen.stop()
# Parses a TRX definition of the following
# format: REMOTE_ADDR:BIND_PORT[/TRX_NUM]
# e.g. [2001:0db8:85a3:0000:0000:8a2e:0370:7334]:5700/5
# e.g. 127.0.0.1:5700 or 127.0.0.1:5700/1
# e.g. [email protected]:5700 or [email protected]:5700/1
@staticmethod
def trx_def(val):
try:
result = re.match(r"(.+@)?(.+):([0-9]+)(/[0-9]+)?", val)
(name, addr, port, idx) = result.groups()
except:
raise argparse.ArgumentTypeError("Invalid TRX definition: %s" %
val)
if idx is not None:
idx = int(idx[1:])
else:
idx = 0
# Cut '@' from TRX name
if name is not None:
name = name[:-1]
return (name, addr, int(port), idx)
def parse_argv(self):
parser = argparse.ArgumentParser(
prog="fake_trx",
description="Virtual Um-interface (fake transceiver)")
# Register common logging options
self.app_reg_logging_options(parser)
trx_group = parser.add_argument_group("TRX interface")
trx_group.add_argument(
"-b",
"--trx-bind-addr",
dest="trx_bind_addr",
type=str,
default="0.0.0.0",
help="Set FakeTRX bind address (default %(default)s)")
trx_group.add_argument(
"-R",
"--bts-addr",
dest="bts_addr",
type=str,
default="127.0.0.1",
help="Set BTS remote address (default %(default)s)")
trx_group.add_argument(
"-r",
"--bb-addr",
dest="bb_addr",
type=str,
default="127.0.0.1",
help="Set BB remote address (default %(default)s)")
trx_group.add_argument(
"-P",
"--bts-base-port",
dest="bts_base_port",
type=int,
default=5700,
help="Set BTS base port number (default %(default)s)")
trx_group.add_argument(
"-p",
"--bb-base-port",
dest="bb_base_port",
type=int,
default=6700,
help="Set BB base port number (default %(default)s)")
mtrx_group = parser.add_argument_group("Additional transceivers")
mtrx_group.add_argument(
"--trx",
metavar="REMOTE_ADDR:BASE_PORT[/TRX_NUM]",
dest="trx_list",
type=self.trx_def,
action="append",
help="Add a transceiver for BTS or MS (e.g. 127.0.0.1:5703)")
argv = parser.parse_args()
# Make sure there is no overlap between ports
if argv.bts_base_port == argv.bb_base_port:
parser.error("BTS and BB base ports shall be different")
return argv
def sig_handler(self, signum, frame):
log.info("Signal %d received" % signum)
if signum == signal.SIGINT:
self.shutdown()
sys.exit(0)
class Application(ApplicationBase):
def __init__(self):
self.app_print_copyright(APP_CR_HOLDERS)
self.argv = self.parse_argv()
# Set up signal handlers
signal.signal(signal.SIGINT, self.sig_handler)
# Configure logging
self.app_init_logging(self.argv)
# List of all transceivers
self.trx_list = TRXList()
# Init shared clock generator
self.clck_gen = CLCKGen([])
# Power measurement emulation
# Noise: -120 .. -105
# BTS: -75 .. -50
self.fake_pm = FakePM(-120, -105, -75, -50)
self.fake_pm.trx_list = self.trx_list
# Init TRX instance for BTS
self.append_trx(self.argv.bts_addr,
self.argv.bts_base_port, name = "BTS")
# Init TRX instance for BB
self.append_trx(self.argv.bb_addr,
self.argv.bb_base_port, name = "MS")
# Additional transceivers (optional)
if self.argv.trx_list is not None:
for trx_def in self.argv.trx_list:
(name, addr, port, idx) = trx_def
self.append_child_trx(addr, port, idx, name)
# Burst forwarding between transceivers
self.burst_fwd = BurstForwarder(self.trx_list)
log.info("Init complete")
def append_trx(self, remote_addr, base_port, name = None):
trx = FakeTRX(self.argv.trx_bind_addr, remote_addr, base_port,
clck_gen = self.clck_gen, pwr_meas = self.fake_pm,
name = name)
self.trx_list.add_trx(trx)
def append_child_trx(self, remote_addr, base_port, child_idx, name = None):
# Index 0 corresponds to the first transceiver
if child_idx is 0:
self.append_trx(remote_addr, base_port, name)
return
# Find 'parent' transceiver for a new child
trx_parent = self.trx_list.find_trx(remote_addr, base_port)
if trx_parent is None:
raise IndexError("Couldn't find parent transceiver "
"for '%s:%d/%d'" % (remote_addr, base_port, child_idx))
# Allocate a new child
trx_child = FakeTRX(self.argv.trx_bind_addr, remote_addr, base_port,
child_idx = child_idx, pwr_meas = self.fake_pm, name = name)
self.trx_list.add_trx(trx_child)
# Link a new 'child' with its 'parent'
trx_parent.child_trx_list.add_trx(trx_child)
def run(self):
# Compose list of to be monitored sockets
sock_list = []
for trx in self.trx_list:
sock_list.append(trx.ctrl_if.sock)
sock_list.append(trx.data_if.sock)
# Enter main loop
while True:
# Wait until we get any data on any socket
r_event, _, _ = select.select(sock_list, [], [])
# Iterate over all transceivers
for trx in self.trx_list:
# DATA interface
if trx.data_if.sock in r_event:
msg = trx.recv_data_msg()
if msg is not None:
self.burst_fwd.forward_msg(trx, msg)
# CTRL interface
if trx.ctrl_if.sock in r_event:
trx.ctrl_if.handle_rx()
def shutdown(self):
log.info("Shutting down...")
# Stop clock generator
self.clck_gen.stop()
# Parses a TRX definition of the following
# format: REMOTE_ADDR:BIND_PORT[/TRX_NUM]
# e.g. [2001:0db8:85a3:0000:0000:8a2e:0370:7334]:5700/5
# e.g. 127.0.0.1:5700 or 127.0.0.1:5700/1
# e.g. [email protected]:5700 or [email protected]:5700/1
@staticmethod
def trx_def(val):
try:
result = re.match("(.+@)?(.+):([0-9]+)(\/[0-9]+)?", val)
(name, addr, port, idx) = result.groups()
except:
raise argparse.ArgumentTypeError("Invalid TRX definition: %s" % val)
if idx is not None:
idx = int(idx[1:])
else:
idx = 0
# Cut '@' from TRX name
if name is not None:
name = name[:-1]
return (name, addr, int(port), idx)
def parse_argv(self):
parser = argparse.ArgumentParser(prog = "fake_trx",
description = "Virtual Um-interface (fake transceiver)")
# Register common logging options
self.app_reg_logging_options(parser)
trx_group = parser.add_argument_group("TRX interface")
trx_group.add_argument("-b", "--trx-bind-addr",
dest = "trx_bind_addr", type = str, default = "0.0.0.0",
help = "Set FakeTRX bind address (default %(default)s)")
trx_group.add_argument("-R", "--bts-addr",
dest = "bts_addr", type = str, default = "127.0.0.1",
help = "Set BTS remote address (default %(default)s)")
trx_group.add_argument("-r", "--bb-addr",
dest = "bb_addr", type = str, default = "127.0.0.1",
help = "Set BB remote address (default %(default)s)")
trx_group.add_argument("-P", "--bts-base-port",
dest = "bts_base_port", type = int, default = 5700,
help = "Set BTS base port number (default %(default)s)")
trx_group.add_argument("-p", "--bb-base-port",
dest = "bb_base_port", type = int, default = 6700,
help = "Set BB base port number (default %(default)s)")
mtrx_group = parser.add_argument_group("Additional transceivers")
mtrx_group.add_argument("--trx",
metavar = "REMOTE_ADDR:BASE_PORT[/TRX_NUM]",
dest = "trx_list", type = self.trx_def, action = "append",
help = "Add a transceiver for BTS or MS (e.g. 127.0.0.1:5703)")
argv = parser.parse_args()
# Make sure there is no overlap between ports
if argv.bts_base_port == argv.bb_base_port:
parser.error("BTS and BB base ports shall be different")
return argv
def sig_handler(self, signum, frame):
log.info("Signal %d received" % signum)
if signum is signal.SIGINT:
self.shutdown()
sys.exit(0)