69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
from LocalParticipant import LocalParticipant
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from Messages.ParticipantMsg import ParticipantMsg
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from Messages.NetworkIdMsg import NetworkIdMsg
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from Sensors.TemperatureSensor import TemperatureSensor
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from Thing import Thing
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import socket
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import threading
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class SiteServer(LocalParticipant):
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name = "Site Server"
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def __init__(self, ip_address="0.0.0.0", port=7681, remote=False, udp_socket = None):
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self.ip_address = ip_address
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self.port = port
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self.publishInterval = 0
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self.others = []
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self.network_id = 0
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self.buffer = bytearray(256)
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self.thing_msg_constructors = {}
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if remote == False:
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self.udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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self.udp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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self.udp_socket.bind(("0.0.0.0", port))
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self.AddParticipant(self.ip_address, self.port)
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self.thread = threading.Thread(target = self.Receiver)
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self.thread.daemon = True
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self.thread.start()
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else:
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self.udp_socket = udp_socket
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self.Register(TemperatureSensor, Thing.Type.TemperatureSensor)
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def AddParticipant(self, ip_address, port):
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# print(f'{self.name} Add site participant {ip_address} {port}')
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remote_participant = SiteServer(ip_address, port, remote=True, udp_socket=self.udp_socket)
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remote_participant.network_id = len(self.others)
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self.others.append(remote_participant)
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return remote_participant
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def ProcessClientMsg(self, sender, msg):
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if msg.network_id == 0:
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print(f'{self.name} received New Client -> {sender.network_id}')
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sender.Send(NetworkIdMsg(sender.network_id))
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# else:
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# print(f'{self.name} Client')
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def ProcessNetworkId(self, msg):
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pass
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# Register function
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def Register(self, ThingClass, thing_type):
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self.thing_msg_constructors[thing_type] = lambda network_id, thing_id: ThingClass(network_id, thing_id)
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def Process(self, msg):
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if isinstance(ThingMsg):
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self.ProcessThingMsg(msg)
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else:
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super().Process(msg)
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def ProcessThingMsg(self, msg):
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if msg.thingType in self.thing_msg_constructors:
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self.thing_msg_constructors[msg.thing_type](msg.network_id, msg.thing_id)
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else:
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Thing(msg.network_id, msg.thing_id, msg.thing_type)
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