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Patching of pcap lib removed
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readme.md
12
readme.md
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@ -25,7 +25,6 @@ In this project, we call this mode *ListenMode*.
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- Modify the configuration of the PLC adaptor, that it supports HomePlug Green Phy including the SLAC.
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- Modify the configuration of the PLC adaptor, that it supports HomePlug Green Phy including the SLAC.
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- Install wireshark to view the network traffic
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- Install wireshark to view the network traffic
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- Install Pcap-ct python library
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- Install Pcap-ct python library
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- Patch Pcap-ct to support non-blocking operation
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- Get and compile the exi decoder/encoder from http://github.com/uhi22/OpenV2Gx
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- Get and compile the exi decoder/encoder from http://github.com/uhi22/OpenV2Gx
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- Run `python pyPlc.py` and use keyboard to trigger actions, or
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- Run `python pyPlc.py` and use keyboard to trigger actions, or
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- Run `python pyPlc.py E` for EVSE (charger) mode, or
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- Run `python pyPlc.py E` for EVSE (charger) mode, or
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@ -98,17 +97,6 @@ This is fighting against the Libpcap-installation, so we need to deinstall the s
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python -m pip uninstall libpcap
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python -m pip uninstall libpcap
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Then again install pcap-ct, and finally add in the libpcap\_platform\__init__py the missing is_osx = False. (Is in the meanwhile fixed in the github repository.)
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Then again install pcap-ct, and finally add in the libpcap\_platform\__init__py the missing is_osx = False. (Is in the meanwhile fixed in the github repository.)
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Finally, we need to patch the Pcap-ct, because the python script needs a non-blocking version. This is discussed in https://github.com/karpierz/pcap-ct/issues/9
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Now, in the IDLE shall 3.10.6, the import works:
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```
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import pcap
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sniffer = pcap.pcap(name=None, promisc=True, immediate=True, timeout_ms=50)
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addr = lambda pkt, offset: '.'.join(str(pkt[i]) for i in range(offset, offset + 4))
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for ts, pkt in sniffer:
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print('%d\tSRC %-16s\tDST %-16s' % (ts, addr(pkt, sniffer.dloff + 12), addr(pkt, sniffer.dloff + 16)))
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```
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### Usage on Raspberry
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### Usage on Raspberry
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Pitfall: Pcap-ct does not work with Python 3.4. After update to Python 3.8, it works.
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Pitfall: Pcap-ct does not work with Python 3.4. After update to Python 3.8, it works.
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