File: //lib/python3/dist-packages/twisted/pair/__pycache__/ip.cpython-38.pyc
U
W[#
� @ sj d Z ddlZddlZddlmZ ddlmZ ddlmZ G dd� d�Z dZ
eej �G d d
� d
ej ��Z
dS ) z,Support for working directly with IP packets� N)�protocol)�raw)� implementerc @ s e Zd Zdd� ZdS )�IPHeaderc
C s� t �d|d d� �\
}| _| _| _}| _| _| _}}t� |�| _
t� |�| _ |d@ | _ |d@ d? d> | _
|d@ | _|d@ d k| _|d
@ d k| _d S ) Nz
!BBHHHBBH4s4s� � �� � � i� i @ r i )�structZunpack�tos�tot_len� fragment_id�ttlr Zcheck�socketZ inet_ntoa�saddr�daddr�version�ihl�fragment_offset�
dont_fragment�more_fragments)�self�dataZ
ihlversionZfrag_offr r � r �1/usr/lib/python3/dist-packages/twisted/pair/ip.py�__init__ s �
zIPHeader.__init__N)�__name__�
__module__� __qualname__r r r r r r s r l c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�
IPProtocolc C s
i | _ d S )N)�ipProtos)r r r r r $ s zIPProtocol.__init__c C sR t �|�}|dk rtd��|tkr*td��|| jkr>g | j|< | j| �|� d S )Nr z'Added protocol must be positive or zeroz"Added protocol must fit in 32 bits)r ZIRawDatagramProtocol� TypeError�MAX_SIZEr! �append)r Znum�protor r r �addProto' s
zIPProtocol.addProtoc C sh t |�}| j�|jd�D ]J}|j|dd � ||j|j|j|j|j|j |j
|j |j |j
|j|jd� qd S )Nr r )r �partial�source�destr r r r r
r r r r r )r r! �getr �datagramReceivedr r r r r r
r r r r r )r r r' r) r( r �headerr% r r r r+ 1 s" �zIPProtocol.datagramReceivedN)r r r r r& r+ r r r r r " s
r )�__doc__r r Ztwisted.internetr Z twisted.pairr Zzope.interfacer r r# ZIRawPacketProtocolZAbstractDatagramProtocolr r r r r �<module> s