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a ]�h � @ sx d Z ddlmZ ddlmZ ddlmZ ddlmZm Z m Z m Z m Z ddl mZmZ dd� Zd d � ZG d d � d e�Zd S )a� flow ++++ Flow filter supports two types of modes:: - map - hash # Prepare a Qdisc with fq-codel ip.tc("add", "fq_codel", ifb0, parent=0x10001, handle=0x10010) # Create flow filter with hash mode # Single: keys = "src" # Multi (comma separated list of keys): keys = "src,nfct-src" ip.tc("add-filter", "flow", ifb0, mode="hash", keys=keys, divisor=1024, perturb=60, handle=0x10, baseclass=0x10010, parent=0x10001) # Create flow filter with map mode # Simple map dst with no OP: ip.tc("add-filter", "flow", ifb0, mode="map", key="dst", divisor=1024, handle=10 baseclass=0x10010) # Same filter with xor OP: ops = [{"op": "xor", "num": 0xFF}] ip.tc("add-filter", "flow", ifb0, mode="map", key="dst", divisor=1024, handle=10 baseclass=0x10010, ops=ops) # Complex one with addend OP (incl. minus support): ops = [{"op": "addend", "num": '-192.168.0.0'}] ip.tc("add-filter", "flow", ifb0, mode="map", key="dst", divisor=1024, handle=10 baseclass=0x10010, ops=ops) # Example with multiple OPS: ops = [{"op": "and", "num": 0xFF}, {"op": "rshift", "num": 4}] ip.tc("add-filter", "flow", ifb0, mode="map", key="dst", divisor=1024, handle=10 baseclass=0x10010, ops=ops) NOTES: When using `map` mode, use the keyword `key` to pass a key. When using `hash` mode, use the keyword `keys` to pass a key even if there is only one key. In `map` mode, the `num` parameter in `OPS` is always an integer unless if you use the OP `addend`, which can be a string IPv4 address. You can also add a minus sign at the beginning of the `num` value even if it is an IPv4 address. � )�htons)� protocols)�nla)� get_tca_keys� get_tca_mode� get_tca_ops� tc_flow_keys� tc_flow_modes)�get_tca_action� tca_act_prioc C s2 t |�dtj�d@ �|�dd�d> d@ B | d< d S )N�protocoli�� �prior � l � �info)r �getr Z ETH_P_ALL)�msg�kwarg� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/pyroute2/netlink/rtnl/tcmsg/cls_flow.py�fix_msgP s ��r c C s� dg i}d}| � d�r�|d �dt| �g� | � d�dkrR|d �dt| d�g� | � d�dkr�|d �dt| d �g� d | v r�t| |d � | � d �r�|d �d t| �g� |D ].\}}| � |d �}|d ur�|d �||g� q�|S ) N�attrs))Z baseclass�TCA_FLOW_BASECLASS)Zdivisor�TCA_FLOW_DIVISOR)Zperturb�TCA_FLOW_PERTURB�mode� TCA_FLOW_MODE�hash� TCA_FLOW_KEYS�keys�map�key�ops�action� TCA_FLOW_ACT)r �appendr r r r )r �retZ attrs_map�k�v�rr r r �get_parametersV s" r) c @ s4 e Zd ZdZG dd� de�ZG dd� de�ZeZdS )�options) )ZTCA_FLOW_UNSPEC�none)r �tca_parse_keys)r �tca_parse_mode)r �uint32)ZTCA_FLOW_RSHIFTr. )ZTCA_FLOW_ADDENDr. )Z TCA_FLOW_MASKr. )Z TCA_FLOW_XORr. )r r. )r# r )ZTCA_FLOW_POLICE�hex)ZTCA_FLOW_EMATCHESr/ )r r. c @ s e Zd ZdZdd� Zdd� ZdS )zoptions.tca_parse_mode))� flow_mode�Ic C s8 t �| � t�� D ] \}}| d |kr|| d< q4qd S )Nr0 )r �decoder �items)�selfr �valuer r r r2 � s z options.tca_parse_mode.decodec C s | d | d< t �| � d S )Nr5 r0 �r �encode�r4 r r r r7 � s z options.tca_parse_mode.encodeN��__name__� __module__� __qualname__�fieldsr2 r7 r r r r r- � s r- c @ s e Zd ZdZdd� Zdd� ZdS )zoptions.tca_parse_keys))� flow_keysr1 c C sJ t �| � d}t�� D ] \}}|| d @ rd�||�}q|�d�| d< d S )N� r> z{0},{1}�,)r r2 r r3 �format�strip)r4 r r r5 r r r r2 � s z options.tca_parse_keys.decodec C s | d | d< t �| � d S )Nr5 r> r6 r8 r r r r7 � s z options.tca_parse_keys.encodeNr9 r r r r r, � s r, N)r: r; r< Znla_mapr r- r, r r r r r r* t s r* N)�__doc__�socketr Zpyroute2r Zpyroute2.netlinkr Z"pyroute2.netlink.rtnl.tcmsg.commonr r r r r Z&pyroute2.netlink.rtnl.tcmsg.common_actr r r r) r* r r r r �<module> s A
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