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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _got_session(self, response):
 """Private function to navigate SOL payload activation """

        if 'error' in response:
            self._print_error(response['error'])
            return
        if not self.ipmi_session:
            self.callgotsession = response
            return
        # Send activate sol payload directive
        # netfn= 6 (application)
        # command = 0x48 (activate payload)
        # data = (1, sol payload type
        #        1, first instance
        #        0b11000000, -encrypt, authenticate,
        #                      disable serial/modem alerts, CTS fine
        #        0, 0, 0 reserved
        response = self.ipmi_session.raw_command(netfn=0x6, command=0x48,
                                                 data=(1, 1, 192, 0, 0, 0))
        # given that these are specific to the command,
        # it's probably best if one can grep the error
        # here instead of in constants
        sol_activate_codes = {
            0x81: 'SOL is disabled',
            0x82: 'Maximum SOL session count reached',
            0x83: 'Cannot activate payload with encryption',
            0x84: 'Cannot activate payload without encryption',
        }
        if 'code' in response and response['code']:
            if response['code'] in constants.ipmi_completion_codes:
                self._print_error(
                    constants.ipmi_completion_codes[response['code']])
                return
            elif response['code'] == 0x80:
                if self.force_session and not self.retriedpayload:
                    self.retriedpayload = 1
                    sessrsp = self.ipmi_session.raw_command(
                        netfn=0x6,
                        command=0x49,
                        data=(1, 1, 0, 0, 0, 0))
                    self._got_session(sessrsp)
                    return
                else:
                    self._print_error('SOL Session active for another client')
                    return
            elif response['code'] in sol_activate_codes:
                self._print_error(sol_activate_codes[response['code']])
                return
            else:
                self._print_error(
                    'SOL encountered Unrecognized error code %d' %
                    response['code'])
                return
        if 'error' in response:
            self._print_error(response['error'])
            return
        self.activated = True
        # data[0:3] is reserved except for the test mode, which we don't use
        data = response['data']
        self.maxoutcount = (data[5] << 8) + data[4]
        # BMC tells us this is the maximum allowed size
        # data[6:7] is the promise of how small packets are going to be, but we
        # don't have any reason to worry about it
        # some BMCs disagree on the endianness, so do both
        valid_ports = (self.port, struct.unpack(
            '<H', struct.pack('>H', self.port))[0])
        if (data[8] + (data[9] << 8)) not in valid_ports:
            # TODO(jbjohnso): support atypical SOL port number
            raise NotImplementedError("Non-standard SOL Port Number")
        # ignore data[10:11] for now, the vlan detail, shouldn't matter to this
        # code anyway...
        # NOTE(jbjohnso):
        # We will use a special purpose keepalive
        if self.ipmi_session.sol_handler is not None:
            # If there is erroneously another SOL handler already, notify
            # it of newly established session
            self.ipmi_session.sol_handler({'error': 'Session Disconnected'})
        self.keepaliveid = self.ipmi_session.register_keepalive(
            cmd={'netfn': 6, 'command': 0x4b, 'data': (1, 1)},
            callback=self._got_payload_instance_info)
        self.ipmi_session.sol_handler = self._got_sol_payload
        self.connected = True
        # self._sendpendingoutput() checks len(self._sendpendingoutput)
        self._sendpendingoutput()