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/cvs/deliantra/server/ext/tcp.ext
Revision: 1.21
Committed: Tue Oct 30 17:07:50 2012 UTC (11 years, 6 months ago) by root
Branch: MAIN
Changes since 1.20: +32 -2 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.17 #! perl # mandatory
2 root 1.1
3     # this listens for new tcp connections and hands them over to the server core
4 root 1.19 # whether this being an extension introduces or reduces stability problems
5 root 1.1 # is unknown as of today.
6    
7     use Socket;
8 root 1.12 use AnyEvent::Socket;
9 root 1.1
10 root 1.20 CONF BIND_ADDRESSES = [[undef, 13327]];
11    
12 root 1.21 our $MAX_DETECT = 16; # how many bytes to raed to identify the protocol
13    
14 root 1.15 our @LISTENERS;
15 root 1.12
16 root 1.20 for (@$BIND_ADDRESSES) {
17 root 1.12 my ($host, $port) = @$_;
18 root 1.16 cf::info "listening on ", (format_hostport $host, $port), "\n";
19 root 1.12
20 root 1.15 push @LISTENERS, tcp_server $host, $port, sub {
21 root 1.12 my ($fh, $host, $port) = @_
22     or return;
23    
24 root 1.18 my $lhost = AnyEvent::Socket::format_address
25     +(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1];
26    
27 root 1.21 my $id = format_hostport $host, $port;
28    
29     cf::info "$id: new connection\n"
30 root 1.18 if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs
31 root 1.12
32 root 1.21 my $buf;
33     my $w; $w = AE::io $fh, 0, sub {
34     my $len = sysread $fh, $buf, 512, length $buf;
35    
36     if ($len) {
37     if ($buf =~ /^..version /s) { # deliantra protocol
38     undef $w;
39    
40     my $ns = cf::client::create fileno $fh, $host;
41     $ns->inbuf_append ($buf);
42    
43     } elsif ($buf =~ /^GET / && defined &ext::http::server) { # http or websocket
44     undef $w;
45    
46     &ext::http::server ($fh, $buf);
47    
48     } elsif (length $buf >= $MAX_DETECT) { # unable to detect protocol
49     undef $w;
50    
51     cf::info "$id: protocol detection error\n";
52     }
53     } else {
54     undef $w;
55    
56     cf::info "$id: read error during protocol detection\n";
57     }
58     };
59 root 1.12 };
60 root 1.1 }
61