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/cvs/deliantra/server/ext/http.ext
Revision: 1.4
Committed: Tue Oct 30 18:36:42 2012 UTC (11 years, 6 months ago) by root
Branch: MAIN
Changes since 1.3: +40 -32 lines
Log Message:
etag

File Contents

# Content
1 #! perl # mandatory
2
3 # http server on base port
4
5 use Coro::AnyEvent;
6
7 sub send {
8 my $self = $_[0];
9
10 $self->{wbuf} .= $_[1];
11
12 $self->{ww} ||= AE::io $self->{fh}, 1, sub {
13 my $len = syswrite $self->{fh}, $self->{wbuf};
14 substr $self->{wbuf}, 0, $len, "";
15
16 delete $self->{ww} unless length $self->{wbuf};
17 };
18 }
19
20 sub fatal {
21 my ($self) = @_;
22
23 $self->send ("HTTP/1.1 500 internal error\015\012");
24 delete $self->{rw};
25 }
26
27 sub respond {
28 $_[0]->send ("HTTP/1.1 $_[1]\015\012Content-Length: " . (0 + length $_[2]) . "\015\012$_[3]\015\012$_[2]");
29 }
30
31 sub handle_req {
32 my ($self) = @_;
33
34 while ($self->{rbuf} =~ s/^( ( [^\015]+ | . )+? )\015\012\015\012//xs) {
35 my $req = $1;
36
37 # we ignore headers atm.
38
39 $req =~ s%^GET (\S+) HTTP/[0-9.]+\015\012%%
40 or return $self->fatal;
41
42 my $uri = $1;
43
44 $uri =~ s%^http://[^/]*%%i; # just in case
45
46 cf::debug "HTTP GET: $self->{id} $uri";
47
48 if ($uri =~ m%^/([0-9a-f]+)$%) { # faces
49 my $idx = $cf::FACEHASH{pack "H*", $1};
50
51 $idx
52 or return $self->respond ("404 illegal face name");
53
54 if ($req =~ /if-none-match/i) { # dirtiest hack evar
55 $self->respond ("304 not modified");
56 return;
57 }
58
59 my $type = cf::face::get_type $idx, 1;
60
61 if ($type & 1) {
62 $self->respond ("404 type $type not served yet");
63 } else {
64 if ($type == 0) { # faces
65 $self->respond ("200 OK", (cf::face::get_data $idx, 1),
66 "content-type: image/png\015\012"
67 . "cache-control: max-age=864000\015\012"
68 . "etag: \"0\"\015\012"
69 );
70 } else {
71 $self->respond ("404 type $type not served yet");
72 }
73 }
74 } elsif ($uri eq "/allimgs") { # for debugging
75 my $body = "<html><body>";
76
77 for (1 .. cf::face::faces_size - 1) {
78 next if cf::face::get_type $_;
79 my $name = cf::face::get_chksum $_, 1;
80 $body .= "<img src='" . (unpack "H*", $name) . "'><br>";
81 }
82
83 $body .= "</body></html>";
84
85 $self->respond ("200 OK", $body, "Content-Type: text/html\015\012");
86 } else {
87 $self->respond ("404 not found");
88 }
89 }
90 }
91
92 # dirty hack: called directly from tcp.ext
93 sub server {
94 my $self = bless {
95 id => $_[0],
96 fh => $_[1],
97 rbuf => $_[2],
98 wbuf => "",
99 };
100
101 $self->{rw} = AE::io $self->{fh}, 0, sub {
102 my $len = sysread $self->{fh}, $self->{rbuf}, 4096, length $self->{rbuf};
103
104 if ($len == 0) {
105 delete $self->{rw};
106 } else {
107 $self->handle_req;
108
109 delete $self->{rw} if length $self->{rbuf} > 8192; # headers too long
110 }
111 };
112
113 $self->handle_req; # in the unlikely case of the buffer already forming a valid request
114 }
115
116 cf::register_exticmd http_faceurl => sub {
117 my ($ns) = @_;
118
119 "/"
120 };
121