def __init__(self, iface_name, data_handler, event_handler):
self.command_queue = Queue()
self.mgnt_frames_queue = Queue()
self.command_response_queue = Queue()
self.__manager_service = ManagerSvc(iface_name,
self.command_queue,
self.command_response_queue,
self.mgnt_frames_queue,
event_handler)
self.__management_frame_handler = WiWoManagementFrameHandler(iface_name, self.mgnt_frames_queue)
self.__data_frame_handler = WiWoDataFrameHandler(self, iface_name, data_handler)
self.__manager_service.start()
self.__management_frame_handler.start()
self.__data_frame_handler.start()
# We are using multiprocess.Lock to make sure that self.__management_frame_handler and
# self.__data_frame_handler are initialized and already processing frames. But due to the use of pcap_loop
# function we need to wait some seconds to make sure we don't lose frames on the initialization. On our
# system 2 seconds was enough but to make sure we wait for 10 seconds.
# TODO: This is a workaround! We need to fix this in a correct way.
time.sleep(10)
class Manager:
"""
Represents the Manager which is an interface between the user and the Manager Service.
"""
def __init__(self, iface_name, data_handler, event_handler):
self.command_queue = Queue()
self.mgnt_frames_queue = Queue()
self.command_response_queue = Queue()
self.__manager_service = ManagerSvc(iface_name,
self.command_queue,
self.command_response_queue,
self.mgnt_frames_queue,
event_handler)
self.__management_frame_handler = WiWoManagementFrameHandler(iface_name, self.mgnt_frames_queue)
self.__data_frame_handler = WiWoDataFrameHandler(self, iface_name, data_handler)
self.__manager_service.start()
self.__management_frame_handler.start()
self.__data_frame_handler.start()
# We are using multiprocess.Lock to make sure that self.__management_frame_handler and
# self.__data_frame_handler are initialized and already processing frames. But due to the use of pcap_loop
# function we need to wait some seconds to make sure we don't lose frames on the initialization. On our
# system 2 seconds was enough but to make sure we wait for 10 seconds.
# TODO: This is a workaround! We need to fix this in a correct way.
time.sleep(10)
def stop_receiver_processes(self):
"""
Method that stops Manager Service, Management Frame Handler and Data Frame Handler Processes.
method.
"""
timeout = 5
self.__manager_service.join(timeout)
self.__management_frame_handler.join(timeout)
self.__data_frame_handler.join(timeout)
if self.__manager_service.is_alive():
self.__manager_service.terminate()
if self.__management_frame_handler.is_alive():
self.__management_frame_handler.terminate()
if self.__data_frame_handler.is_alive():
self.__data_frame_handler.terminate()
def get_workers(self):
"""
Returns a dictionary with Workers information.
"""
cmd = {'command': 'get_workers'}
self.command_queue.put(cmd)
worker_list = self.command_response_queue.get()
return worker_list
def announce_to_worker(self, dst="\xff\xff\xff\xff\xff\xff"):
"""
Puts a announce command in the command queue. By default it sends a broadcast frame.
"""
cmd = {'command': 'announce', 'dst': dst}
self.command_queue.put(cmd)
def set_channel_to_worker_interface(self, dst, iface_name, channel):
"""
Puts a set channel command on the command queue.
"""
cmd = {'command': 'set_channel', 'dst': dst, 'iface_name': iface_name, 'channel': channel}
self.command_queue.put(cmd)
def start_worker_interface(self, dst, iface_name, bpf_filter):
"""
Puts a start command on the command queue.
"""
cmd = {'command': 'start', 'dst': dst, 'iface_name': iface_name, 'bpf_filter': bpf_filter}
self.command_queue.put(cmd)
def stop_worker_interfaces(self, dst):
"""
Puts a stop command on the command queue.
"""
cmd = {'command': 'stop', 'dst': dst}
self.command_queue.put(cmd)
def inject_data_from_worker_interface(self, dst, iface_name, data):
"""
Puts a inject data command on the command queue.
"""
cmd = {'command': 'inject_data', 'dst': dst, 'iface_name': iface_name, 'data': data}
self.command_queue.put(cmd)
def get_frame_log(self, mac):
"""
Returns a dictionary with the worker frame log.
"""
cmd = {'command': 'get_frame_log', 'mac':mac}
self.command_queue.put(cmd)
frame_log = self.command_response_queue.get()
return frame_log