# -*- coding: utf-8 -*-

#+---------------------------------------------------------------------------+
#|          01001110 01100101 01110100 01111010 01101111 01100010            |
#|                                                                           |
#|               Netzob : Inferring communication protocols                  |
#+---------------------------------------------------------------------------+
#| Copyright (C) 2011-2014 Georges Bossert and Frédéric Guihéry              |
#| This program is free software: you can redistribute it and/or modify      |
#| it under the terms of the GNU General Public License as published by      |
#| the Free Software Foundation, either version 3 of the License, or         |
#| (at your option) any later version.                                       |
#|                                                                           |
#| This program is distributed in the hope that it will be useful,           |
#| but WITHOUT ANY WARRANTY; without even the implied warranty of            |
#| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the              |
#| GNU General Public License for more details.                              |
#|                                                                           |
#| You should have received a copy of the GNU General Public License         |
#| along with this program. If not, see <http://www.gnu.org/licenses/>.      |
#+---------------------------------------------------------------------------+
#| @url      : http://www.netzob.org                                         |
#| @contact  : contact@netzob.org                                            |
#| @sponsors : Amossys, http://www.amossys.fr                                |
#|             Supélec, http://www.rennes.supelec.fr/ren/rd/cidre/           |
#+---------------------------------------------------------------------------+

#+---------------------------------------------------------------------------+
#| Standard library imports
#+---------------------------------------------------------------------------+
import time
import binascii

#+---------------------------------------------------------------------------+
#| Local application imports
#+---------------------------------------------------------------------------+
from netzob.Common.Utils.Decorators import typeCheck
from netzob.Common.Models.Vocabulary.Messages.L2NetworkMessage import L2NetworkMessage


class L3NetworkMessage(L2NetworkMessage):
    """Definition of a layer 3 network message.

    >>> msg = L3NetworkMessage("090002300202f000")
    >>> print msg.data
    090002300202f000

    >>> msg = L3NetworkMessage("090002300202f000", date=1352293417.28, l3SourceAddress="192.168.10.100", l3DestinationAddress="192.168.10.245")
    >>> print msg.source
    192.168.10.100
    >>> print msg.destination
    192.168.10.245
    >>> print msg
    [0;32m[1352293417.28 [0;m[1;32m192.168.10.100[1;m[0;32m->[0;m[1;32m192.168.10.245[1;m[0;32m][0;m '090002300202f000'

    """

    def __init__(self, data, date=None, l2Protocol=None, l2SourceAddress=None,
                 l2DestinationAddress=None, l3Protocol=None, l3SourceAddress=None,
                 l3DestinationAddress=None):
        super(L3NetworkMessage, self).__init__(data, date, l2Protocol, l2SourceAddress, l2DestinationAddress)
        self.l3Protocol = str(l3Protocol)
        self.l3SourceAddress = str(l3SourceAddress)
        self.l3DestinationAddress = str(l3DestinationAddress)

    @property
    def l3Protocol(self):
        """The protocol of the third layer

        :type: str
        """
        return self.__l3Protocol

    @l3Protocol.setter
    @typeCheck(str)
    def l3Protocol(self, l3Protocol):
        self.__l3Protocol = l3Protocol

    @property
    def l3SourceAddress(self):
        """The source address of the third layer

        :type: str
        """
        return self.__l3SourceAddress

    @l3SourceAddress.setter
    @typeCheck(str)
    def l3SourceAddress(self, l3SourceAddress):
        self.__l3SourceAddress = l3SourceAddress

    @property
    def l3DestinationAddress(self):
        """The destination address of the second layer

        :type: str
        """
        return self.__l3DestinationAddress

    @l3DestinationAddress.setter
    @typeCheck(str)
    def l3DestinationAddress(self, l3DestinationAddress):
        self.__l3DestinationAddress = l3DestinationAddress

    @property
    def source(self):
        """The name or type of the source which emitted
        the current message

        :type: str
        """
        return self.__l3SourceAddress

    @property
    def destination(self):
        """The name or type of the destination which received
        the current message

        :type: str
        """
        return self.__l3DestinationAddress
