From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id B59CFA0507; Wed, 6 Apr 2022 17:07:29 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 836E5428E8; Wed, 6 Apr 2022 17:05:10 +0200 (CEST) Received: from lb.pantheon.sk (lb.pantheon.sk [46.229.239.20]) by mails.dpdk.org (Postfix) with ESMTP id 86B4F428CA for ; Wed, 6 Apr 2022 17:05:06 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lb.pantheon.sk (Postfix) with ESMTP id E6F3616BC11; Wed, 6 Apr 2022 17:05:05 +0200 (CEST) X-Virus-Scanned: amavisd-new at siecit.sk Received: from lb.pantheon.sk ([127.0.0.1]) by localhost (lb.pantheon.sk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PzybgGb8epQ8; Wed, 6 Apr 2022 17:05:01 +0200 (CEST) Received: from entguard.lab.pantheon.local (unknown [46.229.239.141]) by lb.pantheon.sk (Postfix) with ESMTP id 511F01B1F6C; Wed, 6 Apr 2022 17:04:49 +0200 (CEST) From: =?UTF-8?q?Juraj=20Linke=C5=A1?= To: thomas@monjalon.net, david.marchand@redhat.com, Honnappa.Nagarahalli@arm.com, ohilyard@iol.unh.edu, lijuan.tu@intel.com Cc: dev@dpdk.org, =?UTF-8?q?Juraj=20Linke=C5=A1?= Subject: [RFC PATCH v1 16/18] dts: merge DTS framework/ixia_network/packet_parser.py to DPDK Date: Wed, 6 Apr 2022 15:04:38 +0000 Message-Id: <20220406150440.2914464-17-juraj.linkes@pantheon.tech> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220406150440.2914464-1-juraj.linkes@pantheon.tech> References: <20220406150440.2914464-1-juraj.linkes@pantheon.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --- dts/framework/ixia_network/packet_parser.py | 96 +++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 dts/framework/ixia_network/packet_parser.py diff --git a/dts/framework/ixia_network/packet_parser.py b/dts/framework/ixia_network/packet_parser.py new file mode 100644 index 0000000000..25e18f2e18 --- /dev/null +++ b/dts/framework/ixia_network/packet_parser.py @@ -0,0 +1,96 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2021 Intel Corporation. All rights reserved. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +import os +from collections import OrderedDict + +from scapy.all import conf +from scapy.fields import ConditionalField +from scapy.packet import NoPayload +from scapy.packet import Packet as scapyPacket +from scapy.utils import rdpcap + + +class PacketParser(object): + """parse packet full layers information""" + + def __init__(self): + self.packetLayers = OrderedDict() + self.framesize = 64 + + def _parse_packet_layer(self, pkt_object): + """parse one packet every layers' fields and value""" + if pkt_object is None: + return + + self.packetLayers[pkt_object.name] = OrderedDict() + for curfield in pkt_object.fields_desc: + if isinstance(curfield, ConditionalField) and not curfield._evalcond( + pkt_object + ): + continue + field_value = pkt_object.getfieldval(curfield.name) + if isinstance(field_value, scapyPacket) or ( + curfield.islist and curfield.holds_packets and type(field_value) is list + ): + continue + repr_value = curfield.i2repr(pkt_object, field_value) + if isinstance(repr_value, str): + repr_value = repr_value.replace( + os.linesep, os.linesep + " " * (len(curfield.name) + 4) + ) + self.packetLayers[pkt_object.name][curfield.name] = repr_value + + if isinstance(pkt_object.payload, NoPayload): + return + else: + self._parse_packet_layer(pkt_object.payload) + + def _parse_pcap(self, pcapFile, number=0): + """parse one packet content""" + self.packetLayers = OrderedDict() + pcap_pkts = [] + if isinstance(pcapFile, str): + if os.path.exists(pcapFile) is False: + warning = "{0} is not exist !".format(pcapFile) + raise Exception(warning) + pcap_pkts = rdpcap(pcapFile) + else: + pcap_pkts = pcapFile + # parse packets' every layers and fields + if len(pcap_pkts) == 0: + warning = "{0} is empty".format(pcapFile) + raise Exception(warning) + elif number >= len(pcap_pkts): + warning = "{0} is missing No.{1} packet".format(pcapFile, number) + raise Exception(warning) + else: + self._parse_packet_layer(pcap_pkts[number]) + self.framesize = len(pcap_pkts[number]) + 4 -- 2.20.1