pcap2stream.py - CHIRP

New Model #3509 » pcap2stream.py

converts pcap capture into lines for test.py - James Lieb, 04/19/2018 01:40 PM

    
    #! /usr/bin/python

    # process the output of a tshark stream to strip blank lines and re-join folded

    # lines

    import sys

    lineout = ""

    lastdir = "X"

    lineno = 0

    for line in sys.stdin:

        lineno += 1

        line = line.replace('\n', '') # chomp

        if (len(line) == 0):

            continue

        toks = line.split("\t")

        if (toks[0] == "0x00000002"):   # some kind of control msg

            toks[0] = "C"

        elif (toks[0] == "0x00000003"): # this is bulk in/out data

            toks[0] = "D"

        else:

            print("Bogus USB %s at line %d" % (toks[0], lineno))

            continue

        if (toks[1] == "host"): # We are the host so we do the writing...

            toks[1] = "W"

        else:

            toks[1] = "R"

        if (toks[0] == "C"):

            if (len(lineout) > 0):

                print("%s: %s" % (lastdir, lineout))

                lineout = ""

                lastdir = "X"

        else:

            if (toks[1] == lastdir):

                if (len(toks) > 2):

                    lineout += (" " + toks[2].replace(":", ' '))

            else:

                if (len(lineout) > 0):

                    print("%s: %s" % (lastdir, lineout))

                lastdir = toks[1]

                lineout = toks[2].replace(":", ' ')

    if (len(lineout) > 0):        

        print("%s: %s" % (lastdir, lineout))

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New Model #3509 » pcap2stream.py