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Simple parser example

Example parser for TCP/IP with parsing timestamp option. There are two variants: one that uses metadata templates and one that doesn't. Both an optimized and non-optimized parser s built (run optimized with -O)

Run by:

     ./parser [-O] <pcap-file>

Building

The build process needs the LLVM library. Set LD_LIBRARY_PATH accordingly like below (replace /opt/riscv64/lib with the appropriate path):

export LD_LIBRARY_PATH=/opt/riscv64/lib

Build in the samples/parser/simple_parser directory like below (replace ~/xdp2/install with the proper path name to the XDP2 install directory):

make XDP2DIR=~/xdp2/install

Running

Set LD_LIBRARY_PATH to include the lib directory in the XDP2 install path like below (replace ~/xdp2/install/lib with the appropriate path)

export LD_LIBRARY_PATH=~/xdp2/install/lib

Note that all the variants should produce identical output for the same pcap file.

Run the no metadata templates and non-optimized parser variant like below (replace the pcap file as desired):

$ ./parser_notmpl ~/xdp2/data/pcaps/tcp_ipv6.pcap
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 0
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522688, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 0
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523541, echo 1887523538
	Hash b857973f

Run the no metadata templates and optimized parser variant like below (replace the pcap file as desired):

$ ./parser_notmpl -O ~/xdp2/data/pcaps/tcp_ipv6.pcap 
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 0
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522688, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 0
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523541, echo 1887523538
	Hash b857973f

Run the with metadata templates and non-optimized parser variant like below (replace the pcap file as desired):

$ ./parser_tmpl ~/xdp2/data/pcaps/tcp_ipv6.pcap 
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 0
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522688, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 0
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523541, echo 1887523538
	Hash b857973f

Run the with metadata templates and optimized parser variant like below (replace the pcap file as desired):

$ ./parser_tmpl -O ~/xdp2/data/pcaps/tcp_ipv6.pcap 
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 0
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:51648->::1:631
	TCP timestamps value: 1887522685, echo 1887522685
	Hash d3f87531
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522685, echo 1887522685
	Hash ca63a2de
IPv6: ::1:631->::1:51648
	TCP timestamps value: 1887522688, echo 1887522685
	Hash ca63a2de
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 0
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:51650->::1:631
	TCP timestamps value: 1887523538, echo 1887523538
	Hash 512a939c
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523538, echo 1887523538
	Hash b857973f
IPv6: ::1:631->::1:51650
	TCP timestamps value: 1887523541, echo 1887523538
	Hash b857973f