/[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 9 - (show annotations)
Sun Apr 22 16:40:49 2007 UTC (16 years, 11 months ago) by dpavlin
File MIME type: text/plain
File size: 3162 byte(s)
better output in debug and non-debug mode, respect client MDAP version
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 $debug = shift @ARGV;
11
12 my $resend_search_delay = 3;
13 my $tftp_path = '/srv/tftp/';
14
15 warn "search for ants every ${resend_search_delay}s\ntftp server path: $tftp_path\n";
16
17 sub fw {
18 my ($board, $offset,$len) = @_;
19 open(my $fh, "$tftp_path/$board") || die "Can't open image $tftp_path/$board: $!";
20 my $b;
21 seek($fh, $offset, 0) || die "can't seek to $offset: $!";
22 read($fh, $b, $len) || die "can't read $len bytes from $offset: $!";
23 close($fh);
24 return $b;
25 }
26
27 sub fw_build {
28 my $board_name = shift || return 0;
29 my $v = join('.', unpack('CCCC',fw($board_name,0x20,4)) );
30 print "# fw_build $board_name $v\n";
31 return $v;
32 }
33
34 sub fw_exists {
35 my $board = shift;
36 return -e "$tftp_path/$board";
37 }
38
39 my $sock = IO::Socket::Multicast->new(LocalPort=>PORT,ReuseAddr=>1);
40 $sock->mcast_add(GROUP) || die "Couldn't set group: $!\n";
41 $sock->mcast_ttl(1);
42
43 sub ant2hash {
44 my $data = shift;
45 my $hash;
46 map {
47 if ( m/:/ ) {
48 my ($n,$v) = split(/:/,$_,2);
49 $hash->{$n} = $v;
50 }
51 } split(/[\n\r]/, $data);
52 return $hash;
53 }
54
55 sub mdap_send {
56 my $data = shift;
57 $sock->mcast_send( "${data}", GROUP . ':' . PORT );
58 if ($debug) {
59 warn ">> ", dump( $data ), $/;
60 } else {
61 $data =~ s/\s+/ /gi;
62 warn ">> ", substr($data,0,70), $/;
63 }
64 }
65
66 local $SIG{ALRM} = sub {
67 mdap_send("ANT-SEARCH MDAP/1.1\r\n46");
68 alarm( $resend_search_delay );
69 };
70
71 alarm( $resend_search_delay );
72
73 mdap_send("ANT-SEARCH MDAP/1.1\r\n46");
74
75 while (1) {
76 my $data;
77 next unless $sock->recv($data,1024);
78
79 if ( $data =~ m#^(INFO|ANT-SEARCH|EXEC-CLI|REPLY-\S+)\s(MDAP)/(\d+\.\d+)# ) {
80
81 my ($type,$proto,$mdap_ver) = ($1,$2,$3);
82
83 my $h = ant2hash($data);
84
85 my $client_version = $h->{'MDAP-VERSION'};
86 $mdap_ver = $client_version if ($client_version);
87
88 print "<< $type $proto/$mdap_ver << ", length($data), " bytes\n";
89
90 warn dump($h),$/ if ($debug);
91
92 # we are getting our own INFO messages
93 next if ( $type =~ m#^(INFO|ANT-SEARCH|EXEC-CLI)# );
94
95 my $ant = $h->{'ANT-ID'} || die "no ANT-ID in ", dump( $h );
96
97 if ($type eq 'REPLY-ANT-SEARCH') {
98 mdap_send("INFO MDAP/$mdap_ver\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:Administrator\r\nUSER-PWD:\r\n22");
99 } elsif ($type eq 'REPLY-INFO') {
100 my $board = $h->{'_BOARD_NAME'} || die "no _BOARD_NAME?";
101 if ( fw_exists( $board ) ) {
102 if ( $h->{'_BUILD'} ne fw_build( $board ) ) {
103 print "UPDATE STEP 1 on ant $ant\n";
104 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nCLI-CMD:software upgrade\r\nSEQ-NR:1\r\nTO-ANT:$ant\r\nUSER-ID:Administrator\r\nUSER-PWD:\r\n1F");
105 } else {
106 print "OK ant $ant allready updated...\n";
107 }
108 } else {
109 print "!! NO FIRMWARE for $board in $tftp_path for ant $ant, skipping update\n";
110 }
111 } elsif ( $type eq 'REPLY-EXEC-CLI' && $h->{'SEQ-NR'} == 1 ) {
112 print "UPDATE STEP 2 on ant $ant\n";
113 mdap_send("EXEC-CLI MDAP/$mdap_ver\r\nSEQ-NR:2\r\nTO-ANT:$ant\r\nUSER-ID:Administrator\r\nUSER-PWD:\r\n5F");
114 } else {
115 print "!! reply ignored ", dump( $h ), $/;
116 }
117
118 } else {
119 warn "<=" x 15, "\n", $data, "\n", "<=" x 15, "\n";
120 }
121 }

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