def __init__(self, nodes_list):
self.state = {}
self.nodes = NodeAggregator(nodes_list)
self.current_sender_node = None
def __init__(self, nodes_list):
self.state = {}
self.nodes = NodeAggregator(nodes_list)
self.current_sender_node = None
class RadioCharac(object):
""" Radio Characterization """
def __init__(self, nodes_list):
self.state = {}
self.nodes = NodeAggregator(nodes_list)
self.current_sender_node = None
def start(self):
""" Start nodes connection """
self.nodes.start()
def stop(self):
""" Stop nodes connection """
self.nodes.stop()
def _answers_handler(self, node_id, msg):
""" Handle answers """
try:
line = msg.split(' ')
if line[0] == 'config_radio':
if line[1] == 'ACK':
self.state['config']['success'].append(node_id)
else:
self.state['config']['failure'].append(node_id)
elif line[0] == 'send_packets':
if line[1] == 'ACK':
# send_packets ACK 0
self.state['send']['success'].append(node_id)
else:
# send_packets NACK 42
self.state['send']['failure'].append('%s %s' %
(node_id, line[2]))
elif line[0] == 'radio_rx':
# "radio_rx m3-128 -17dBm 5 -61 255 sender power num rssi lqi"
sender = line[1]
# add list for this node
results = self.state['radio'][sender].get(
node_id, {
'success': [],
'errors': []
})
self.state['radio'][sender][node_id] = results
# add rx informations
#results.append("%s" % ' '.join(line[2:6]))
results['success'].append(tuple(line[2:6]))
elif line[0] == 'radio_rx_error':
sender = self.current_sender_node.node_id
# add list for this node
results = self.state['radio'][sender].get(
node_id, {
'success': [],
'errors': []
})
self.state['radio'][sender][node_id] = results
results['errors'].append("%s" % line[1])
# print >> sys.stderr, "Radio_rx_error %s %s sender %s" % (
# node_id, line[1], self.current_sender_node.node_id)
else:
print >> sys.stderr, "UNKOWN_MSG: %s %r" % (node_id, msg)
except IndexError:
print >> sys.stderr, "UNKOWN_MSG: %s %r" % (node_id, msg)
def run_characterization(self, channel, power, num_pkts, delay):
""" Run the radio characterizations on nodes"""
self.start()
self.state['options'] = {
'power': power,
'channel': channel,
'num_pkts': num_pkts,
'delay': delay
}
self.state['config'] = {'success': [], 'failure': []}
self.state['send'] = {'success': [], 'failure': []}
#nodes = self.nodes.values()
#self.nodes_cli('--update', firmware=FIRMWARE_PATH)
#time.sleep(2) # wait started
# init all nodes handlers and radio config
self.state['radio'] = {}
for node in self.nodes.values():
self.state['radio'][node.node_id] = {}
node.line_handler.append(self._answers_handler)
cmd = "config_radio -c {channel}\n"
self.nodes.broadcast(cmd.format(channel=channel))
time.sleep(10) # wait
cmd = "send_packets -i {node_id} -p {power} -n {num_pkts} -d {delay}\n"
for node in self.nodes.values():
self.current_sender_node = node
print >> sys.stderr, "sending node %s" % node.node_id
node.send(
cmd.format(node_id=node.node_id,
power=power,
num_pkts=num_pkts,
delay=delay))
time.sleep(2)
self.current_sender_node = None
self.stop()
return self.state
class RadioCharac(object):
""" Radio Characterization """
def __init__(self, nodes_list):
self.state = {}
self.nodes = NodeAggregator(nodes_list)
self.current_sender_node = None
def start(self):
""" Start nodes connection """
self.nodes.start()
def stop(self):
""" Stop nodes connection """
self.nodes.stop()
def _answers_handler(self, node_id, msg):
""" Handle answers """
try:
line = msg.split(' ')
if line[0] == 'config_radio':
if line[1] == 'ACK':
self.state['config']['success'].append(node_id)
else:
self.state['config']['failure'].append(node_id)
elif line[0] == 'send_packets':
if line[1] == 'ACK':
# send_packets ACK 0
self.state['send']['success'].append(node_id)
else:
# send_packets NACK 42
self.state['send']['failure'].append('%s %s' %
(node_id, line[2]))
elif line[0] == 'radio_rx':
# "radio_rx m3-128 -17dBm 5 -61 255 sender power num rssi lqi"
sender = line[1]
# add list for this node
results = self.state['radio'][sender].get(
node_id, {'success': [], 'errors': []})
self.state['radio'][sender][node_id] = results
# add rx informations
#results.append("%s" % ' '.join(line[2:6]))
results['success'].append(tuple(line[2:6]))
elif line[0] == 'radio_rx_error':
sender = self.current_sender_node.node_id
# add list for this node
results = self.state['radio'][sender].get(
node_id, {'success': [], 'errors': []})
self.state['radio'][sender][node_id] = results
results['errors'].append("%s" % line[1])
# print >> sys.stderr, "Radio_rx_error %s %s sender %s" % (
# node_id, line[1], self.current_sender_node.node_id)
else:
print >> sys.stderr, "UNKOWN_MSG: %s %r" % (node_id, msg)
except IndexError:
print >> sys.stderr, "UNKOWN_MSG: %s %r" % (node_id, msg)
def run_characterization(self, channel, power, num_pkts, delay):
""" Run the radio characterizations on nodes"""
self.start()
self.state['options'] = {'power': power, 'channel': channel,
'num_pkts': num_pkts, 'delay': delay}
self.state['config'] = {'success': [], 'failure': []}
self.state['send'] = {'success': [], 'failure': []}
#nodes = self.nodes.values()
#self.nodes_cli('--update', firmware=FIRMWARE_PATH)
#time.sleep(2) # wait started
# init all nodes handlers and radio config
self.state['radio'] = {}
for node in self.nodes.values():
self.state['radio'][node.node_id] = {}
node.line_handler.append(self._answers_handler)
cmd = "config_radio -c {channel}\n"
self.nodes.broadcast(cmd.format(channel=channel))
time.sleep(10) # wait
cmd = "send_packets -i {node_id} -p {power} -n {num_pkts} -d {delay}\n"
for node in self.nodes.values():
self.current_sender_node = node
print >> sys.stderr, "sending node %s" % node.node_id
node.send(cmd.format(node_id=node.node_id, power=power,
num_pkts=num_pkts, delay=delay))
time.sleep(2)
self.current_sender_node = None
self.stop()
return self.state
