Exemplo n.º 1
0
    def handler(self, client_socket, address):

        print("Handling request")

        # get request packet
        request_packet = packet.read_command(client_socket, 2)

        print("Command Packet", request_packet)

        packet_reader = packet.CommandPacketReader(request_packet)

        # extract information
        type    = packet_reader.get_type()
        id      = packet_reader.get_id()
        command = packet_reader.get_command()
        value   = packet_reader.get_value()

        packet_reader.report()

        
        # Let dispatcher dispatch command
        if type == packet.REQ_M_TYPE:
            self.m_dispatcher.handle(command, value)
        if type == packet.REQ_A_TYPE:
            self.a_dispatcher.handle(command, value)
        

        # send ACK and mirror request message        
        packet_builder = packet.CommandPacketBuilder()

        # handle M_TYPE and A_TYPE separately
        if type == packet.REQ_M_TYPE:
            packet_builder.set_type(packet.ACK_M_TYPE)
        if type == packet.REQ_A_TYPE:
            packet_builder.set_type(packet.ACK_A_TYPE)

        # handle id, command, and value normally
        packet_builder.set_id(id)
        packet_builder.set_command(command)
        packet_builder.set_value(value)

        # create respond packet
        reply_packet = packet_builder.create()

        # send acknowledge packet back to phone
        client_socket.sendall(bytes((reply_packet[0], reply_packet[1])))

        packet_builder.report()

        # close socket
        client_socket.close()
Exemplo n.º 2
0
    def handler(self, client_socket, address):        

        print("Handling HeartBeat")

        # Get packet
        request_packet = packet.read_command(client_socket, 1)

        packet_reader = packet.HeartBeatPacketReader(request_packet)

        # Extract information
        type = packet_reader.get_type()

        # Read from shared-memory region and replay with data
        content = self.ipc.read()

        # Handle values and set proper packet type
        packet_builder = packet.HeartBeatPacketBuilder()

        # packet_builder.set_type(packet.HEART_ACK)

        # handle DONE | WORKING
        if content == 'ERROR':
            packet_builder.set_type(packet.HEART_ERR)
        elif content == 'DONE':
            packet_builder.set_type(packet.HEART_DONE)
        elif content == 'HEALTHY':
            packet_builder.set_type(packet.HEART_ACK)

        # Create packet
        reply_packet = packet_builder.create()

        # send acknowledge packet back to phone
        client_socket.sendall(bytes((reply_packet, )))

        packet_builder.report()

        # close socket
        client_socket.close()