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gen-capture.pl
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#!/usr/bin/perl
use strict;
use warnings;
use Digest::CRC qw();
use Getopt::Long;
# Subroutine prototypes
sub SYNC ();
sub type2UCD_GUI();
sub Version1_MAP();
sub RNG_REQ();
sub RNG_RSP_GUI();
sub UCC_REQ();
sub UCC_RSP();
sub DSD_RSP();
sub DCC_REQ_GUI();
sub DCC_RSP_GUI();
sub DCC_ACK_GUI();
sub type29UCD_GUI();
sub INIT_RNG_REQ();
sub MDD_GUI();
sub B_INIT_RNG_REQ();
sub type35UCD_GUI();
sub request_minislots();
sub request_bytes();
sub random_bits;
my $debug = 0;
my $pcap_file = "";
my $packet_length;
my $packet_value;
my $pcap_header;
my $packet_timestamp = "0000000000000000";
my $frame_number = 1;
my $last_frame = 0;
my $frame_type;
my $write_all_flag = '';
my @all_frame_data = ();
my @command_tlvs;
my @command_subtlvs;
my $clear_screen = 1;
$pcap_header = "D4C3B2A1020004000000000000000000000004008F000000";
#################################################################################################
# START OF MAIN
#################################################################################################
# Read potential command-line parameters
my $result = GetOptions(
'pcap=s' => \$pcap_file, #Provide pcap file on command-line so user isn't prompted
'all' => \$write_all_flag, #Write out all TLVs/sub TLVs
);
sub usage {
print "\nUsage: $0 [--pcap=<filename>] [--all]\n\n";
print " --pcap = <filename>\n";
print " Provide pcap file without being prompted by application\n";
print " --all\n";
print " Write out all TLVs/sub TLVs\n";
exit(1);
}
if ($clear_screen && (!$write_all_flag)) {
system $^O eq 'MSWin32' ? 'cls' : 'clear';
}
if (!$pcap_file) {
print "\n Pcap filename to be saved: ";
$pcap_file = <>;
}
open PCAP_FILE, '>' . $pcap_file;
binmode(PCAP_FILE);
print PCAP_FILE pack "H*", $pcap_header;
while (($last_frame != 1) && (!$write_all_flag)) { # check $write_all_flag to save another nesting of a simple if statement
@command_tlvs = ();
if ($clear_screen) {
system $^O eq 'MSWin32' ? 'cls' : 'clear';
}
print "\n Following packet types can be generated:\n\n";
print " 1) SYNC 14) REG-ACK 29) Type 29 UCD 44) REG-REQ-MP 59) DTP-ACK (N/A) \n";
print " 2) Type 2 UCD 15) DSA-REQ 30) INIT-RNG-REQ 45) REG-RSP-MP 60) DTP-INFO (N/A) \n";
print " 3a) Version 1 MAP 16) DSC-RSP 31) TST-REQ (N/A) 46) EM-REQ (N/A) \n";
print " 3b) Version 5 MAP (N/A) 17) DSA-ACK 32) DCD (N/A) 47) EM-RSP (N/A) \n";
print " 3c) Version 5 P-MAP (N/A) 18) DSC-REQ 33) MDD (N/A) 48) CM-STATUS-ACK (N/A) a) Request Frame (minislots) \n";
print " 4) RNG-REQ 19) DSC-RSP 34) B-INIT-RNG-REQ 49) OFDM Chan Descr (N/A) b) Request Frame (bytes) \n";
print " 5) RNG-RSP 20) DSC-ACK 35) Type 35 UCD 50) DPD (N/A) c) O-INIT-RNG-REQ (N/A) \n";
print " 6) REG-REQ 21) DSD-REQ 36) DBC-REQ 51) Type 51 UCD (N/A) \n";
print " 7) REG-RSP 22) DSD-RSP 37) DBC-RSP 52) ODS-REQ (N/A) \n";
print " 8) UCC-REQ 23) DCC-REQ 38) DBC-ACK 53) ODS-RSP (N/A) \n";
print " 9) UCC-RSP 24) DCC-RSP 39) DPV-REQ (N/A) 54) OPT-REQ (N/A) \n";
print " 10) TRI-TCD (N/A) 25) DCC-ACK 40) DPV-RSP (N/A) 55) OPT-RSP (N/A) \n";
print " 11) TRI-TSI (N/A) 26) DCI-REQ (N/A) 41) CM-STATUS (N/A) 56) OPT-ACK (N/A) \n";
print " 12) BPKM-REQ 27) DCI-RSP (N/A) 42) CM-CTRL-REQ (N/A) 57) DTP-REQ (N/A) \n";
print " 13) BPKM-RSP 28) UP-DIS (N/A) 43) CM-CTRL-RSP (N/A) 58) DTP-RSP (N/A) \n";
print "\n Frame " . $frame_number . " - Choose packet type which will be generated: ";
$frame_type = <>;
chomp $frame_type;
if ($frame_type eq "1") {
#No TLVs needed
} elsif ($frame_type eq "2") {
@command_tlvs = type2UCD_GUI();
} elsif ($frame_type eq "3a") {
#No TLVs needed
} elsif ($frame_type eq "4") {
#No TLVs needed
} elsif ($frame_type eq "5") {
@command_tlvs = RNG_RSP_GUI();
} elsif ($frame_type eq "6") {
# Add Annex C TLVs (REG_REQ)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "7") {
# Add Annex C TLVs (REG_RSP)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "8") {
#No TLVs needed
} elsif ($frame_type eq "9") {
#No TLVs needed
} elsif ($frame_type eq "12") {
# Add bpkm attributes (BPKM_REQ)
@command_tlvs = add_bpkm_attributes_GUI()
} elsif ($frame_type eq "13") {
# Add bpkm attributes (BPKM_RSP)
@command_tlvs = add_bpkm_attributes_GUI()
} elsif ($frame_type eq "14") {
# Add Annex C TLVs (REG_ACK)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "15") {
# Add Annex C TLVs (DSA_REQ)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "16") {
# Add Annex C TLVs (DSA_RSP)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "17") {
# Add Annex C TLVs (DSA_ACK)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "18") {
# Add Annex C TLVs (DSC_REQ)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "19") {
# Add Annex C TLVs (DSC_RSP)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "20") {
# Add Annex C TLVs (DSC_ACK)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "21") {
# Add Annex C TLVs (DSD_REQ)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "22") {
#No TLVs needed
} elsif ($frame_type eq "23") {
@command_tlvs = DCC_REQ_GUI();
} elsif ($frame_type eq "24") {
@command_tlvs = DCC_RSP_GUI();
} elsif ($frame_type eq "25") {
@command_tlvs = DCC_ACK_GUI();
} elsif ($frame_type eq "29") {
@command_tlvs = type29UCD_GUI();
} elsif ($frame_type eq "30") {
#No TLVs needed
} elsif ($frame_type eq "33") {
@command_tlvs = MDD_GUI();
} elsif ($frame_type eq "34") {
#No TLVs needed
} elsif ($frame_type eq "35") {
@command_tlvs = type35UCD_GUI();
} elsif ($frame_type eq "36") {
# Add Annex C TLVs (DBC_REQ)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "37") {
# Add Annex C TLVs (DBC_RSP)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "38") {
# Add Annex C TLVs (DBC_ACK)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "44") {
# Add Annex C TLVs (REG_REQ_MP)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "45") {
# Add Annex C TLVs (REG_RSP_MP)
@command_tlvs = add_annex_c_tlvs_GUI();
} elsif ($frame_type eq "a") {
#No TLVs needed
} elsif ($frame_type eq "b") {
#No TLVs needed
} else {
print "\n This is not a valid option ($frame_type). Calling EXIT... \n\n";
exit;
}
#Save the Frame type and any TLVs associated with it
push @all_frame_data, [$frame_type];
foreach my $test_tlv (@command_tlvs) {
push @{$all_frame_data[$frame_number-1]}, $test_tlv;
}
printf "\n Is this last Frame in the PCAP capture file? (Choose: 1 for YES / 0 for NO) ";
$last_frame = <>;
$frame_number++;
}
if ($write_all_flag) {
@all_frame_data = ([1],
[2, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11]],
[5, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14]],
[6], [7], [15], [16], [18], [19]],
["3a"],
[4],
[5, [1], [2], [3], [4], [5], [6], [7]],
[6, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[7, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[8],
[9],
[12, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [15], [16], [17], [18], [19], [20], [21], [22], [23], [24], [25], [26], [27], [127]],
[13, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [15], [16], [17], [18], [19], [20], [21], [22], [23], [24], [25], [26], [27], [127]],
[14, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[15, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[16, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[17, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[18, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[19, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[20, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[21, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[22],
[23, [1],
[2, [1], [2], [3], [4], [5], [6], [7]],
[3], [4], [6],
[7, [1], [2], [5]],
[8], [27], [31]],
[24, [1, [1], [2]],
[27], [31]],
[25, [27], [31]],
[29, [1], [2], [3],
[5, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18]],
[6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [19]],
[30],
[33, [1, [1], [2], [3], [4], [5], [6], [7]],
[2, [1], [2]],
[3],
[4, [1], [2], [3]],
[5, [1], [2]],
[6],
[7, [1], [2], [3], [4]],
[8]],
[34],
[35, [1], [2], [3],
[5, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18]],
[6], [7], [8], [9], [10], [11], [12], [13], [15], [16], [17], [18], [19], [20], [21], [22]],
[36, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[37, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[38, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[44, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
[45, [1], [2], [3],
[4, [1], [2], [3], [4], [5], [6], [7]],
[5, [40], [48]],
[45, [1], [2]]],
["a"],
["b"]);
}
printf "\n Your packets were stored in file: " . $pcap_file . "\n\n";
my $frame_count = 0;
if ($debug) {
printf "You requested the following data:\n";
foreach (@all_frame_data) {
print "Frame type: $all_frame_data[$frame_count][0]\n";
my $tlv_count = 1;
while (exists($all_frame_data[$frame_count][$tlv_count][0])) {
print " TLV ($tlv_count): $all_frame_data[$frame_count][$tlv_count][0]\n";
my $subtlv_count = 1;
while (exists($all_frame_data[$frame_count][$tlv_count][$subtlv_count][0])) {
print " SubTLV ($subtlv_count): $all_frame_data[$frame_count][$tlv_count][$subtlv_count][0]\n";
$subtlv_count++;
}
$tlv_count++;
}
$frame_count++;
}
}
$frame_count = 0;
foreach (@all_frame_data) {
$frame_type = $all_frame_data[$frame_count][0];
if ($frame_type eq "1") {
($packet_value, $packet_length) = SYNC();
} elsif ($frame_type eq "2") {
($packet_value, $packet_length) = type2UCD($frame_count);
} elsif ($frame_type eq "3a") {
($packet_value, $packet_length) = Version1_MAP();
} elsif ($frame_type eq "4") {
($packet_value, $packet_length) = RNG_REQ();
} elsif ($frame_type eq "5") {
($packet_value, $packet_length) = RNG_RSP($frame_count);
} elsif ($frame_type eq "6") {
($packet_value, $packet_length) = REG_REQ($frame_count);
} elsif ($frame_type eq "7") {
($packet_value, $packet_length) = REG_RSP($frame_count);
} elsif ($frame_type eq "8") {
($packet_value, $packet_length) = UCC_REQ();
} elsif ($frame_type eq "9") {
($packet_value, $packet_length) = UCC_RSP();
} elsif ($frame_type eq "12") {
($packet_value, $packet_length) = BPKM_REQ($frame_count);
} elsif ($frame_type eq "13") {
($packet_value, $packet_length) = BPKM_RSP($frame_count);
} elsif ($frame_type eq "14") {
($packet_value, $packet_length) = REG_ACK($frame_count);
} elsif ($frame_type eq "15") {
($packet_value, $packet_length) = DSA_REQ($frame_count);
} elsif ($frame_type eq "16") {
($packet_value, $packet_length) = DSA_RSP($frame_count);
} elsif ($frame_type eq "17") {
($packet_value, $packet_length) = DSA_ACK($frame_count);
} elsif ($frame_type eq "18") {
($packet_value, $packet_length) = DSC_REQ($frame_count);
} elsif ($frame_type eq "19") {
($packet_value, $packet_length) = DSC_RSP($frame_count);
} elsif ($frame_type eq "20") {
($packet_value, $packet_length) = DSC_ACK($frame_count);
} elsif ($frame_type eq "21") {
($packet_value, $packet_length) = DSD_REQ($frame_count);
} elsif ($frame_type eq "22") {
($packet_value, $packet_length) = DSD_RSP();
} elsif ($frame_type eq "23") {
($packet_value, $packet_length) = DCC_REQ($frame_count);
} elsif ($frame_type eq "24") {
($packet_value, $packet_length) = DCC_RSP($frame_count);
} elsif ($frame_type eq "25") {
($packet_value, $packet_length) = DCC_ACK($frame_count);
} elsif ($frame_type eq "29") {
($packet_value, $packet_length) = type29UCD($frame_count);
} elsif ($frame_type eq "30") {
($packet_value, $packet_length) = INIT_RNG_REQ();
} elsif ($frame_type eq "33") {
($packet_value, $packet_length) = MDD($frame_count);
} elsif ($frame_type eq "34") {
($packet_value, $packet_length) = B_INIT_RNG_REQ();
} elsif ($frame_type eq "35") {
($packet_value, $packet_length) = type35UCD($frame_count);
} elsif ($frame_type eq "36") {
($packet_value, $packet_length) = DBC_REQ($frame_count);
} elsif ($frame_type eq "37") {
($packet_value, $packet_length) = DBC_RSP($frame_count);
} elsif ($frame_type eq "38") {
($packet_value, $packet_length) = DBC_ACK($frame_count);
} elsif ($frame_type eq "44") {
($packet_value, $packet_length) = REG_REQ_MP($frame_count);
} elsif ($frame_type eq "45") {
($packet_value, $packet_length) = REG_RSP_MP($frame_count);
} elsif ($frame_type eq "a") {
($packet_value, $packet_length) = request_minislots();
} elsif ($frame_type eq "b") {
($packet_value, $packet_length) = request_bytes();
} else {
print "\n This is not a valid option ($frame_type). Calling EXIT... \n\n";
exit;
}
print PCAP_FILE pack "H*", $packet_timestamp;
print PCAP_FILE pack "V", $packet_length;
print PCAP_FILE pack "V", $packet_length;
print PCAP_FILE pack "H*", $packet_value;
$frame_count++;
}
close PCAP_FILE;
#################################################################################################
# END OF MAIN
#################################################################################################
sub SYNC() {
our $packet_value;
our $packet_length = 0;
# Add SYNC Message
$packet_value = "000000" . sprintf("%02x", rand(0xFF));
$packet_length = $packet_length + 4;
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "01", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 0, 0);
return ($packet_value, $packet_length);
}
sub type2UCD_GUI() {
our @command_tlvs = ();
our @command_subtlvs;
our $last_tlv = 0;
our $last_sub_tlv = 0;
our $choosen_tlv;
our $choosen_sub_tlv;
our $tlv_number = 1;
our $sub_tlv_number = 1;
# Ask for TLV data
while ($last_tlv != 1) {
@command_subtlvs = ();
$sub_tlv_number = 1;
if ($clear_screen) {
system $^O eq 'MSWin32' ? 'cls' : 'clear';
}
print "\n Following TLVs can be added:\n\n";
print " 1) Modulation Rate\n";
print " 2) Frequency\n";
print " 3) Preamble Pattern\n";
print " 4) Burst Descriptor (DOCSIS 1.x)\n";
print " ...\n";
print " 5) Burst Descriptor (DOCSIS 2.0/3.0)\n";
print " ...\n";
print " 6) Extended Preamble Pattern\n";
print " 7) S-CDMA Mode Enable\n";
print " 15) Maintain Power Spectral Density\n";
print " 16) Ranging Required\n";
print " 18) Ranging Hold-Off Priority Field\n";
print " 19) Channel Class ID\n";
print "\n TLV " . $tlv_number . " - Choose TLV which should be added: ";
$choosen_tlv = <>;
chomp $choosen_tlv;
if ($choosen_tlv eq "1") {
} elsif ($choosen_tlv eq "2") {
} elsif ($choosen_tlv eq "3") {
} elsif ($choosen_tlv eq "4") {
# Create BURST4 sub-TLVs
$last_sub_tlv = 0;
while ($last_sub_tlv != 1) {
if ($clear_screen) {
system $^O eq 'MSWin32' ? 'cls' : 'clear';
}
print "\n Following sub-TLVs can be added:\n\n";
print " 1) Modulation Type\n";
print " 2) Differential Encoding\n";
print " 3) Preamble Length\n";
print " 4) Preamble Value Offset\n";
print " 5) FEC Error Correction (T)\n";
print " 6) FEC Codeword Information Bytes (k)\n";
print " 7) Scrambler Seed\n";
print " 8) Maximum Burst Size\n";
print " 9) Guard Time Size\n";
print " 10) Last Codeword Length\n";
print " 11) Scrambler on/off\n";
print "\n sub-TLV " . $sub_tlv_number++ . " - Choose sub-TLV which should be added: ";
$choosen_sub_tlv = <>;
chomp $choosen_sub_tlv;
if ($choosen_sub_tlv eq "1") {
} elsif ($choosen_sub_tlv eq "2") {
} elsif ($choosen_sub_tlv eq "3") {
} elsif ($choosen_sub_tlv eq "4") {
} elsif ($choosen_sub_tlv eq "5") {
} elsif ($choosen_sub_tlv eq "6") {
} elsif ($choosen_sub_tlv eq "7") {
} elsif ($choosen_sub_tlv eq "8") {
} elsif ($choosen_sub_tlv eq "9") {
} elsif ($choosen_sub_tlv eq "10") {
} elsif ($choosen_sub_tlv eq "11") {
} else {
print "\n This is not a valid option ($choosen_sub_tlv). Calling EXIT... \n\n";
exit;
}
push @command_subtlvs, [$choosen_sub_tlv];
printf "\n Is this last sub-TLV to be added? (Choose: 1 for YES / 0 for NO) ";
$last_sub_tlv = <>;
}
} elsif ($choosen_tlv eq "5") {
# Create BURST5 sub-TLVs
$last_sub_tlv = 0;
while ($last_sub_tlv != 1) {
if ($clear_screen) {
system $^O eq 'MSWin32' ? 'cls' : 'clear';
}
print "\n Following sub-TLVs can be added:\n\n";
print " 1) Modulation Type\n";
print " 2) Differential Encoding\n";
print " 3) Preamble Length\n";
print " 4) Preamble Value Offset\n";
print " 5) FEC Error Correction (T)\n";
print " 6) FEC Codeword Information Bytes (k)\n";
print " 7) Scrambler Seed\n";
print " 8) Maximum Burst Size\n";
print " 9) Guard Time Size\n";
print " 10) Last Codeword Length\n";
print " 11) Scrambler on/off\n";
print " 12) R-S Interleaver Depth (Ir)\n";
print " 13) R-S Interleaver Block Size (Br)\n";
print " 14) Preamble Type\n";
print "\n sub-TLV " . $sub_tlv_number++ . " - Choose sub-TLV which should be added: ";
$choosen_sub_tlv = <>;
chomp $choosen_sub_tlv;
if ($choosen_sub_tlv eq "1") {
} elsif ($choosen_sub_tlv eq "2") {
} elsif ($choosen_sub_tlv eq "3") {
} elsif ($choosen_sub_tlv eq "4") {
} elsif ($choosen_sub_tlv eq "5") {
} elsif ($choosen_sub_tlv eq "6") {
} elsif ($choosen_sub_tlv eq "7") {
} elsif ($choosen_sub_tlv eq "8") {
} elsif ($choosen_sub_tlv eq "9") {
} elsif ($choosen_sub_tlv eq "10") {
} elsif ($choosen_sub_tlv eq "11") {
} elsif ($choosen_sub_tlv eq "12") {
} elsif ($choosen_sub_tlv eq "13") {
} elsif ($choosen_sub_tlv eq "14") {
} else {
print "\n This is not a valid option ($choosen_sub_tlv). Calling EXIT... \n\n";
exit;
}
push @command_subtlvs, [$choosen_sub_tlv];
printf "\n Is this last sub-TLV to be added? (Choose: 1 for YES / 0 for NO) ";
$last_sub_tlv = <>;
}
} elsif ($choosen_tlv eq "6") {
} elsif ($choosen_tlv eq "7") {
} elsif ($choosen_tlv eq "15") {
} elsif ($choosen_tlv eq "16") {
} elsif ($choosen_tlv eq "18") {
} elsif ($choosen_tlv eq "19") {
} else {
print "\n This is not a valid option ($choosen_tlv). Calling EXIT... \n\n";
exit;
}
#Save the TLV
push @command_tlvs, [$choosen_tlv];
#Save the Sub TLVs (if any)
foreach my $subtlv (@command_subtlvs) {
push @{$command_tlvs[$tlv_number-1]}, $subtlv;
}
printf "\n Is this last TLV to be added? (Choose: 1 for YES / 0 for NO) ";
$last_tlv = <>;
$tlv_number++;
}
return @command_tlvs;
}
sub type2UCD () {
my ($frame_index) = @_;
our $packet_value;
our $packet_length = 0;
my $choosen_tlv;
my $choosen_sub_tlv;
my $tlv_number = 1;
my $sub_tlv_number = 1;
my $sub_tlv_value;
my $sub_tlv_length;
my $i;
my $j;
# Add Upstream Channel ID field
$packet_value = sprintf("%02x", rand(0xFF));
$packet_length = 1;
# Add Config Change Count field
$packet_value = $packet_value . sprintf("%02x", rand(0xFF));
$packet_length = $packet_length + 1;
# Add Minislot Size field
$packet_value = $packet_value . sprintf("%02x", 2 ** rand(0x8));
$packet_length = $packet_length + 1;
# Add Downstream Channel ID field
$packet_value = $packet_value . sprintf("%02x", rand(0xFF));
$packet_length = $packet_length + 1;
# Add TLV data
while (exists($all_frame_data[$frame_index][$tlv_number][0])) {
$choosen_tlv = $all_frame_data[$frame_index][$tlv_number][0];
if ($choosen_tlv eq "1") {
$packet_value = $packet_value . "01" . "01" . sprintf("%02x", 2 ** rand(0x5));
$packet_length = $packet_length + 3;
} elsif ($choosen_tlv eq "2") {
$packet_value = $packet_value . "02" . "04" . sprintf("%08x", (int(rand(80)) + 5) * 1000000);
$packet_length = $packet_length + 6;
} elsif ($choosen_tlv eq "3") {
$i = int(rand(127)) + 1;
$packet_value = $packet_value . "03" . sprintf("%02x", $i);
for (my $j = 0; $j < $i; $j++) {
$packet_value = $packet_value . sprintf("%02x", rand(0xFF));
}
$packet_length = $packet_length + $i + 2;
} elsif ($choosen_tlv eq "4") {
# Create BURST4 sub-TLVs
$sub_tlv_value = "";
$sub_tlv_length = 0;
$sub_tlv_number = 1;
while (exists($all_frame_data[$frame_index][$tlv_number][$sub_tlv_number][0])) {
$choosen_sub_tlv = $all_frame_data[$frame_index][$tlv_number][$sub_tlv_number][0];
if ($choosen_sub_tlv eq "1") {
$sub_tlv_value = $sub_tlv_value . "01" . "01" . sprintf("%02x", rand(7) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "2") {
$sub_tlv_value = $sub_tlv_value . "02" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "3") {
$sub_tlv_value = $sub_tlv_value . "03" . "02" . sprintf("%04x", rand(1536) + 1);
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "4") {
$sub_tlv_value = $sub_tlv_value . "04" . "02" . sprintf("%04x", rand(0xFFFF));
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "5") {
$sub_tlv_value = $sub_tlv_value . "05" . "01" . sprintf("%02x", rand(17));
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "6") {
$sub_tlv_value = $sub_tlv_value . "06" . "01" . sprintf("%02x", rand(238) + 16);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "7") {
$sub_tlv_value = $sub_tlv_value . "07" . "02" . sprintf("%04x", rand(0xFFFF));
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "8") {
$sub_tlv_value = $sub_tlv_value . "08" . "01" . sprintf("%02x", rand(0xFF) + 16);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "9") {
$sub_tlv_value = $sub_tlv_value . "09" . "01" . sprintf("%02x", rand(0xFF));
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "10") {
$sub_tlv_value = $sub_tlv_value . "0A" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "11") {
$sub_tlv_value = $sub_tlv_value . "0B" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} else {
print "\n This is not a valid option ($choosen_sub_tlv). Calling EXIT... \n\n";
exit;
}
$sub_tlv_number++;
}
$packet_value = $packet_value . "04" . sprintf("%02x", $sub_tlv_length + 1) . sprintf("%02x", int(rand(15)) + 1) . $sub_tlv_value;
$packet_length = $packet_length + 3 + $sub_tlv_length;
} elsif ($choosen_tlv eq "5") {
# Create BURST5 sub-TLVs
$sub_tlv_value = "";
$sub_tlv_length = 0;
$sub_tlv_number = 1;
while (exists($all_frame_data[$frame_index][$tlv_number][$sub_tlv_number][0])) {
$choosen_sub_tlv = $all_frame_data[$frame_index][$tlv_number][$sub_tlv_number][0];
if ($choosen_sub_tlv eq "1") {
$sub_tlv_value = $sub_tlv_value . "01" . "01" . sprintf("%02x", rand(7) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "2") {
$sub_tlv_value = $sub_tlv_value . "02" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "3") {
$sub_tlv_value = $sub_tlv_value . "03" . "02" . sprintf("%04x", rand(1536) + 1);
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "4") {
$sub_tlv_value = $sub_tlv_value . "04" . "02" . sprintf("%04x", rand(0xFFFF));
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "5") {
$sub_tlv_value = $sub_tlv_value . "05" . "01" . sprintf("%02x", rand(17));
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "6") {
$sub_tlv_value = $sub_tlv_value . "06" . "01" . sprintf("%02x", rand(238) + 16);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "7") {
$sub_tlv_value = $sub_tlv_value . "07" . "02" . sprintf("%04x", rand(0xFFFF));
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "8") {
$sub_tlv_value = $sub_tlv_value . "08" . "01" . sprintf("%02x", rand(0xFF) + 16);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "9") {
$sub_tlv_value = $sub_tlv_value . "09" . "01" . sprintf("%02x", rand(0xFF));
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "10") {
$sub_tlv_value = $sub_tlv_value . "0A" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "11") {
$sub_tlv_value = $sub_tlv_value . "0B" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "12") {
$sub_tlv_value = $sub_tlv_value . "0C" . "01" . sprintf("%02x", rand(0xFF));
$sub_tlv_length = $sub_tlv_length + 3;
} elsif ($choosen_sub_tlv eq "13") {
$sub_tlv_value = $sub_tlv_value . "0D" . "02" . sprintf("%04x", rand(0xFFFF));
$sub_tlv_length = $sub_tlv_length + 4;
} elsif ($choosen_sub_tlv eq "14") {
$sub_tlv_value = $sub_tlv_value . "0E" . "01" . sprintf("%02x", rand(2) + 1);
$sub_tlv_length = $sub_tlv_length + 3;
} else {
print "\n This is not a valid option ($choosen_sub_tlv). Calling EXIT... \n\n";
exit;
}
$sub_tlv_number++;
}
$packet_value = $packet_value . "05" . sprintf("%02x", $sub_tlv_length + 1) . sprintf("%02x", int(rand(15)) + 1) . $sub_tlv_value;
$packet_length = $packet_length + 3 + $sub_tlv_length;
} elsif ($choosen_tlv eq "6") {
$i = int(rand(63)) + 1;
$packet_value = $packet_value . "06" . sprintf("%02x", $i);
for (my $j = 0; $j < $i; $j++) {
$packet_value = $packet_value . sprintf("%02x", rand(0xFF));
}
$packet_length = $packet_length + $i + 2;
} elsif ($choosen_tlv eq "7") {
$packet_value = $packet_value . "07" . "01" . sprintf("%02x", int(rand(2)) + 1);
$packet_length = $packet_length + 3;
} elsif ($choosen_tlv eq "15") {
$packet_value = $packet_value . "0F" . "01" . sprintf("%02x", int(rand(2)) + 1);
$packet_length = $packet_length + 3;
} elsif ($choosen_tlv eq "16") {
$packet_value = $packet_value . "10" . "01" . sprintf("%02x", int(rand(3)));
$packet_length = $packet_length + 3;
} elsif ($choosen_tlv eq "18") {
$packet_value = $packet_value . "12" . "04" . random_bits(32, 0xFFFF000F);
$packet_length = $packet_length + 6;
} elsif ($choosen_tlv eq "19") {
$packet_value = $packet_value . "13" . "04" . random_bits(32, 0xFFFF000F);
$packet_length = $packet_length + 6;
} else {
print "\n This is not a valid option ($choosen_tlv). Calling EXIT... \n\n";
exit;
}
$tlv_number++;
}
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "02", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length, @command_tlvs);
}
sub Version1_MAP() {
our $packet_value;
our $packet_length = 0;
our $elements;
our $i;
# Add Upstream channel ID
$packet_value = random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add UCD Count
$packet_value = $packet_value . random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add Number of elements
$elements = int(rand(240)) + 1;
$packet_value = $packet_value . sprintf("%02x", $elements);
$packet_length = $packet_length + 1;
# Add Reserved
$packet_value = $packet_value . "00";
$packet_length = $packet_length + 1;
# Add Alloc Start Time
$packet_value = $packet_value . random_bits(32, 0xFFFFFFFF);
$packet_length = $packet_length + 4;
# Add Ack Time
$packet_value = $packet_value . random_bits(32, 0xFFFFFFFF);
$packet_length = $packet_length + 4;
# Add Ranging Backoff Start
$packet_value = $packet_value . sprintf("%02x", rand(16));
$packet_length = $packet_length + 1;
# Add Ranging Backoff End
$packet_value = $packet_value . sprintf("%02x", rand(16));
$packet_length = $packet_length + 1;
# Data Backoff Start
$packet_value = $packet_value . sprintf("%02x", rand(16));
$packet_length = $packet_length + 1;
# Data Backoff End
$packet_value = $packet_value . sprintf("%02x", rand(16));
$packet_length = $packet_length + 1;
# Add elements
for (my $i=0; $i < $elements; $i++) {
# Add element
$packet_value = $packet_value . random_bits(32, 0xFFFFFFFF);
$packet_length = $packet_length + 4;
}
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "03", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}
sub RNG_REQ() {
our $packet_value;
our $packet_length = 0;
# Add Service Identifier
$packet_value = random_bits(16, 0xFFFF);
$packet_length = $packet_length + 2;
# Add Downstream Channel ID
$packet_value = $packet_value . random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add Reserved Field
$packet_value = $packet_value . "00";
$packet_length = $packet_length + 1;
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "04", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}
sub RNG_RSP_GUI() {
our @command_tlvs = ();
our $last_tlv = 0;
our $choosen_tlv;
our $tlv_number = 1;
while ($last_tlv != 1) {
if ($clear_screen) {
system $^O eq 'MSWin32' ? 'cls' : 'clear';
}
print "\n Following TLVs can be added:\n\n";
print " 1) Timing Adjuts, Integer Part\n";
print " 2) Power Level Adjust\n";
print " 3) Offset Frequency Adjust\n";
print " 4) Transmit Equalization Adjust\n";
print " 5) Ranging Status\n";
print " 6) Downstream frequency override\n";
print " 7) Upstream channel ID override\n";
print "\n TLV " . $tlv_number . " - Choose TLV which should be added: ";
$choosen_tlv = <>;
chomp $choosen_tlv;
if ($choosen_tlv eq "1") {
} elsif ($choosen_tlv eq "2") {
} elsif ($choosen_tlv eq "3") {
} elsif ($choosen_tlv eq "4") {
} elsif ($choosen_tlv eq "5") {
} elsif ($choosen_tlv eq "6") {
} elsif ($choosen_tlv eq "7") {
} else {
print "\n This is not a valid option ($choosen_tlv). Calling EXIT... \n\n";
exit;
}
#Save the TLV
push @command_tlvs, [$choosen_tlv];
printf "\n Is this last TLV to be added? (Choose: 1 for YES / 0 for NO) ";
$last_tlv = <>;
$tlv_number++;
}
return @command_tlvs;
}
sub RNG_RSP() {
my ($frame_index) = @_;
our $packet_value;
our $packet_length = 0;
our $choosen_tlv;
our $tlv_number = 1;
our $i;
our $j;
# Add SID
$packet_value = random_bits(16, 0xFFFF);
$packet_length = $packet_length + 2;
# Add Upstream Channel ID
$packet_value = $packet_value . random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add TLV data
while (exists($all_frame_data[$frame_index][$tlv_number][0])) {
$choosen_tlv = $all_frame_data[$frame_index][$tlv_number][0];
if ($choosen_tlv eq "1") {
$packet_value = $packet_value . "01" . "04" . random_bits(32, 0xFFFFFFFF);
$packet_length = $packet_length + 6;
} elsif ($choosen_tlv eq "2") {
$packet_value = $packet_value . "02" . "01" . random_bits(8, 0xFF);
$packet_length = $packet_length + 3;
} elsif ($choosen_tlv eq "3") {
$packet_value = $packet_value . "03" . "02" . random_bits(16, 0xFFFF);
$packet_length = $packet_length + 4;
} elsif ($choosen_tlv eq "4") {
# Value 32 was choosen random, could not find the maximum value in the spec.
$i = int(rand(32)) + 1;
$packet_value = $packet_value . "04" . sprintf("%02x", $i);
for (my $j = 0; $j < $i; $j++) {
$packet_value = $packet_value . sprintf("%02x", rand(0xFF));
}
$packet_length = $packet_length + $i + 2;
} elsif ($choosen_tlv eq "5") {
$packet_value = $packet_value . "05" . "01" . sprintf("%02x", int(rand(3)) + 1);
$packet_length = $packet_length + 3;
} elsif ($choosen_tlv eq "6") {
$packet_value = $packet_value . "06" . "04" . sprintf("%08x", (int(rand(1686)) + 108) * 1000000);
$packet_length = $packet_length + 6;
} elsif ($choosen_tlv eq "7") {
$packet_value = $packet_value . "07" . "01" . random_bits(8, 0xFF);
$packet_length = $packet_length + 3;
} else {
print "\n This is not a valid option ($choosen_tlv). Calling EXIT... \n\n";
exit;
}
$tlv_number++;
}
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "05", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}
sub REG_REQ() {
my ($frame_index) = @_;
our $packet_value;
our $packet_length = 0;
# Add Temporary Service Identifier
$packet_value = random_bits(16, 0xFFFF);
$packet_length = $packet_length + 2;
# Add Annex C TLVs
($packet_value, $packet_length) = add_annex_c_tlvs($frame_index, $packet_value, $packet_length);
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "06", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}
sub REG_RSP() {
my ($frame_index) = @_;
our $packet_value;
our $packet_length = 0;
# Add Service Identifier
$packet_value = random_bits(16, 0xFFFF);
$packet_length = $packet_length + 2;
# Add Response Code
$packet_value = $packet_value . random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add Annex C TLVs
($packet_value, $packet_length) = add_annex_c_tlvs($frame_index, $packet_value, $packet_length);
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "07", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}
sub UCC_REQ() {
our $packet_value;
our $packet_length = 0;
# Add Upstream Channel ID
$packet_value = random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "08", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}
sub UCC_RSP() {
our $packet_value;
our $packet_length = 0;
# Add Upstream Channel ID
$packet_value = random_bits(8, 0xFF);
$packet_length = $packet_length + 1;
# Add MAC Management header
($packet_value, $packet_length) = add_mac_management($packet_value, $packet_length, "00", "00", "01", "09", "00");
# Add DOCSIS header
($packet_value, $packet_length) = add_docsis($packet_value, $packet_length, "0000", undef, "00", 192, 2, 0);
return ($packet_value, $packet_length);
}