| … | |
… | |
| 7 | use Socket; |
7 | use Socket; |
| 8 | use AnyEvent::Socket; |
8 | use AnyEvent::Socket; |
| 9 | |
9 | |
| 10 | CONF BIND_ADDRESSES = [[undef, 13327]]; |
10 | CONF BIND_ADDRESSES = [[undef, 13327]]; |
| 11 | |
11 | |
|
|
12 | our $MAX_DETECT; # how many bytes to read to identify the protocol |
|
|
13 | |
| 12 | our @LISTENERS; |
14 | our @LISTENERS; |
|
|
15 | our @DETECTORS; |
|
|
16 | our %DETECTORS; |
|
|
17 | |
|
|
18 | sub _update_detectors { |
|
|
19 | $MAX_DETECT = List::Util::max map $_->[1], values %DETECTORS; |
|
|
20 | } |
|
|
21 | |
|
|
22 | sub register($$$$) { |
|
|
23 | my ($name, $max_detect, $detect, $serve) = @_; |
|
|
24 | |
|
|
25 | $DETECTORS{$name} = [$max_detect, $detect, $serve, $name]; |
|
|
26 | _update_detectors; |
|
|
27 | |
|
|
28 | Guard::guard { |
|
|
29 | delete $DETECTORS{$name}; |
|
|
30 | _update_detectors if defined &_update_detectors; |
|
|
31 | } |
|
|
32 | } |
|
|
33 | |
|
|
34 | our $deliantra_detector = ext::tcp::register deliantra => 10, sub { |
|
|
35 | /^..version /s |
|
|
36 | }, sub { |
|
|
37 | my $ns = cf::client::create fileno $_[1], $_[0]; |
|
|
38 | $ns->run; |
|
|
39 | $ns->inbuf_append ($_[2]); |
|
|
40 | }; |
| 13 | |
41 | |
| 14 | for (@$BIND_ADDRESSES) { |
42 | for (@$BIND_ADDRESSES) { |
| 15 | my ($host, $port) = @$_; |
43 | my ($host, $port) = @$_; |
| 16 | cf::info "listening on ", (format_hostport $host, $port), "\n"; |
44 | cf::info "listening on ", (format_hostport $host, $port), "\n"; |
| 17 | |
45 | |
| … | |
… | |
| 20 | or return; |
48 | or return; |
| 21 | |
49 | |
| 22 | my $lhost = AnyEvent::Socket::format_address |
50 | my $lhost = AnyEvent::Socket::format_address |
| 23 | +(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1]; |
51 | +(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1]; |
| 24 | |
52 | |
| 25 | cf::info "new connection from ", (format_hostport $host, $port), "\n" |
53 | my $id = format_hostport $host, $port; |
|
|
54 | |
|
|
55 | cf::info "$id: accepted connection.\n" |
| 26 | if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs |
56 | if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs |
| 27 | |
57 | |
| 28 | cf::client::create fileno $fh, $host; |
58 | my $buf; |
|
|
59 | my $w; $w = AE::io $fh, 0, sub { |
|
|
60 | my $len = sysread $fh, $buf, 512, length $buf; |
|
|
61 | |
|
|
62 | if ($len) { |
|
|
63 | for ($buf) { |
|
|
64 | for my $v (values %DETECTORS) { |
|
|
65 | if (my $cb = $v->[1]()) { |
|
|
66 | undef $w; |
|
|
67 | cf::debug "$id: detected protocol $v->[3].\n"; |
|
|
68 | $v->[2]($id, $fh, $buf); |
|
|
69 | return; |
|
|
70 | } |
|
|
71 | } |
|
|
72 | |
|
|
73 | if (length >= $MAX_DETECT) { # unable to detect protocol |
|
|
74 | undef $w; |
|
|
75 | cf::debug "$id: data received, but cannot detect protocol, closing.\n"; |
|
|
76 | } |
|
|
77 | } |
|
|
78 | } else { |
|
|
79 | undef $w; |
|
|
80 | cf::info "$id: read error during protocol detection ($!)\n"; |
|
|
81 | } |
|
|
82 | }; |
| 29 | }; |
83 | }; |
| 30 | } |
84 | } |
| 31 | |
85 | |
