def start_simulation(ndict, cdict, sink_node):
lrec = LogRecord('packetlogger.txt')
lrec.truncate_log()
beginner_node = 1
queues = Queues()
#Create dissipation event
dissipation_event = threading.Event()
transmission_event = threading.Event()
transmission_done_event = threading.Event()
#initialize the beginner, node and the sink threads
try:
for nod in neighbor_dict:
if nod == beginner_node:
bthread = node.Node(beginner_node, cdict[beginner_node], ndict,
queues, dissipation_event,
transmission_event, True)
else:
exec("Thread_" + str(nod) + " = node.Node(" + str(nod) + ", " +
str(cdict[nod]) +
",ndict, queues, dissipation_event, transmission_event)")
except Exception:
print "Thread already started"
#Get the node level dictionary of all nodes according to their neighbors
node_level_dict = thread_start_order(ndict, beginner_node)
for keyy in node_level_dict:
#Get unique values of node IDs in the list
node_set = set(node_level_dict[keyy])
unique_node_list = list(node_set)
node_level_dict.update({keyy: unique_node_list})
#Start the beginner thread
bthread.start()
time.sleep(1)
#Start rest of the threads level-wise
wait_constant = 0.2
popped_level_0 = node_level_dict.pop(0)
for key in node_level_dict:
for every_node in node_level_dict[key]:
try:
thname = "Thread_" + str(every_node)
exec("alive_status = " + thname + ".isAlive()")
if not alive_status:
exec("Thread_" + str(every_node) + ".start()")
except Exception:
print "Thread already started"
time.sleep(wait_constant * key)
sthread = sink.Sink(sink_node, cdict[sink_node], ndict, queues,
dissipation_event, transmission_event,
transmission_done_event)
print "Starting the sink node"
sthread.start()
result = start_transmission(queues, transmission_event)
transmission_done_event.wait()
return
def __init__(self, nodeID, coordinates, neighbor_dict, q_obj,
dissipation_event, transmission_event,
transmission_done_event):
threading.Thread.__init__(self)
self.nodeID = nodeID
self.coordinates = coordinates
self.neighbor_dict = neighbor_dict
self.q_obj = q_obj
self.dissipation_event = dissipation_event
self.transmission_event = transmission_event
self.transmission_done_event = transmission_done_event
self.sink_pattern = '51NK'
self.pend_on_queue_time = 600
self.packet_logger = LogRecord('packetlogger.txt')
self.sent_flag = 'SENT'
self.received_flag = 'RCVD'
def __init__(self,
nodeID,
coordinates,
neighbor_dict,
q_obj,
dissipation_event,
transmission_event,
beginner=False):
threading.Thread.__init__(self)
self.nodeID = nodeID
self.coordinates = coordinates
self.neighbor_dict = neighbor_dict
self.beginner = beginner
self.q_obj = q_obj
self.dissipation_event = dissipation_event
self.transmission_event = transmission_event
self.queue = None
self.pend_on_queue_time = 480
self.packet_types = {1: 'INIT_ROUTE', 2: 'PATTERN', 3: 'DATA'}
self.packet_logger = LogRecord('packetlogger.txt')
self.sent_flag = 'SENT'
self.received_flag = 'RCVD'
