/[mdap]/mdap-server.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /mdap-server.pl

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Revision 7 - (show annotations)
Sun Apr 22 15:32:22 2007 UTC (16 years, 11 months ago) by dpavlin
File MIME type: text/plain
File size: 2647 byte(s)
track tftp server's current firmware and re-flash all available ants if it
changes.
1 #!/usr/bin/perl
2
3 use strict;
4 use IO::Socket::Multicast;
5 use Data::Dump qw/dump/;
6
7 use constant GROUP => '224.0.0.103';
8 use constant PORT => '3235';
9
10 my $local_port = 1000;
11
12 my $resend_search_delay = 3;
13 my $tftp_path = '/srv/tftp/';
14
15 sub fw {
16 my ($board, $offset,$len) = @_;
17 open(my $fh, "$tftp_path/$board") || die "Can't open image $tftp_path/$board: $!";
18 my $b;
19 seek($fh, $offset, 0) || die "can't seek to $offset: $!";
20 read($fh, $b, $len) || die "can't read $len bytes from $offset: $!";
21 close($fh);
22 return $b;
23 }
24
25 sub fw_build {
26 my $board_name = shift || return 0;
27 my $v = join('.', unpack('CCCC',fw($board_name,0x20,4)) );
28 print "# fw_build $board_name $v\n";
29 return $v;
30 }
31
32 sub fw_exists {
33 my $board = shift;
34 return -e "$tftp_path/$board";
35 }
36
37 my $sock = IO::Socket::Multicast->new(LocalPort=>PORT,ReuseAddr=>1);
38 $sock->mcast_add(GROUP) || die "Couldn't set group: $!\n";
39 $sock->mcast_ttl(1);
40
41 sub ant2hash {
42 my $data = shift;
43 my $hash;
44 map {
45 if ( m/:/ ) {
46 my ($n,$v) = split(/:/,$_,2);
47 $hash->{$n} = $v;
48 }
49 } split(/[\n\r]/, $data);
50 return $hash;
51 }
52
53 sub mdap_send {
54 my $data = shift;
55 warn ">> $data\n>>----------\n";
56 $sock->mcast_send( "${data}", GROUP . ':' . PORT );
57 }
58
59 local $SIG{ALRM} = sub {
60 mdap_send("ANT-SEARCH MDAP/1.1\r\n46");
61 alarm( $resend_search_delay );
62 };
63
64 alarm( $resend_search_delay );
65
66 mdap_send("ANT-SEARCH MDAP/1.1\r\n46");
67
68 while (1) {
69 my $data;
70 next unless $sock->recv($data,1024);
71
72 if ( $data =~ m#^(REPLY-\S+)\s(MDAP/\d+\.\d+)# ) {
73
74 my ($type,$proto) = ($1,$2);
75
76 my $h = ant2hash($data);
77
78 my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );
79
80 print "# $type $proto ", dump( $h ), $/;
81
82 if ($type eq 'REPLY-ANT-SEARCH') {
83 mdap_send("INFO MDAP/1.2\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:Administrator\r\nUSER-PWD:\r\n22");
84 } elsif ($type eq 'REPLY-INFO') {
85 my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";
86 if ( fw_exists( $board ) ) {
87 if ( $h->{'_BUILD'} ne fw_build( $board ) ) {
88 print "UPDATE STEP 1 on ant $ant\n";
89 mdap_send("EXEC-CLI MDAP/1.2\r\nCLI-CMD:software upgrade\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:Administrator\r\nUSER-PWD:\r\n1F");
90 } else {
91 print "OK ant $ant allready updated...\n";
92 }
93 } else {
94 print "!! NO FIRMWARE for $board in $tftp_path for ant $ant, skipping update\n";
95 }
96 } elsif ( $type eq 'REPLY-EXEC-CLI' && $h->{'SEQ-NR'} == 1 ) {
97 print "UPDATE STEP 2 on ant $ant\n";
98 mdap_send("EXEC-CLI MDAP/1.2\r\nSEQ-NR:2\r\nTO-ANT:0644JTHJ4\r\nUSER-ID:Administrator\r\nUSER-PWD:\r\n5F");
99 } else {
100 print "!! reply ignored\n";
101 }
102
103 } else {
104 print $data, "\n", "-" x 30, "\n";
105 }
106 }

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