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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.1 by root, Thu Apr 6 15:30:09 2006 UTC vs.
Revision 1.191 by root, Wed Sep 3 06:07:39 2008 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - undocumented utility garbage for our crossfire client 3DC - undocumented utility garbage for our deliantra client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use Crossfire::Client; 7 use DC;
8 8
9=head1 DESCRIPTION 9=head1 DESCRIPTION
10 10
11=over 4 11=over 4
12 12
13=cut 13=cut
14 14
15package Crossfire::Client; 15package Deliantra::Client; # work around CPAN breakage
16package App::Deliantra; # try to reserve namespace
17package DC;
18
19use Carp ();
20
21our $VERSION;
16 22
17BEGIN { 23BEGIN {
18 $VERSION = '0.1'; 24 $VERSION = '0.9975';
19 @ISA = qw(Exporter);
20 25
21 require XSLoader; 26 use XSLoader;
22 XSLoader::load "Crossfire::Client", $VERSION; 27 XSLoader::load "Deliantra::Client", $VERSION;
23} 28}
29
30use utf8;
31use strict qw(vars subs);
32
33use AnyEvent ();
34use Pod::POM ();
35use File::Path ();
36use Storable (); # finally
37use Fcntl ();
38use JSON::XS qw(encode_json decode_json);
39
40=item guard { BLOCK }
41
42Returns an object that executes the given block as soon as it is destroyed.
43
44=cut
45
46sub guard(&) {
47 bless \(my $cb = $_[0]), "DC::Guard"
48}
49
50sub DC::Guard::DESTROY {
51 ${$_[0]}->()
52}
53
54=item shorten $string[, $maxlength]
55
56=cut
57
58sub shorten($;$) {
59 my ($str, $len) = @_;
60 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
61 $str
62}
63
64sub asxml($) {
65 local $_ = $_[0];
66
67 s/&/&amp;/g;
68 s/>/&gt;/g;
69 s/</&lt;/g;
70
71 $_
72}
73
74sub socketpipe() {
75 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
76 or die "cannot establish bidirectional pipe: $!\n";
77
78 ($fh1, $fh2)
79}
80
81sub background(&;&) {
82 my ($bg, $cb) = @_;
83
84 my ($fh_r, $fh_w) = DC::socketpipe;
85
86 my $pid = fork;
87
88 if (defined $pid && !$pid) {
89 local $SIG{__DIE__};
90
91 open STDOUT, ">&", $fh_w;
92 open STDERR, ">&", $fh_w;
93 close $fh_r;
94 close $fh_w;
95
96 $| = 1;
97
98 eval { $bg->() };
99
100 if ($@) {
101 my $msg = $@;
102 $msg =~ s/\n+/\n/;
103 warn "FATAL: $msg";
104 DC::_exit 1;
105 }
106
107 # win32 is fucked up, of course. exit will clean stuff up,
108 # which destroys our database etc. _exit will exit ALL
109 # forked processes, because of the dreaded fork emulation.
110 DC::_exit 0;
111 }
112
113 close $fh_w;
114
115 my $buffer;
116
117 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
118 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
119 undef $w;
120 $cb->();
121 return;
122 }
123
124 while ($buffer =~ s/^(.*)\n//) {
125 my $line = $1;
126 $line =~ s/\s+$//;
127 utf8::decode $line;
128 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
129 $cb->(JSON::XS->new->allow_nonref->decode ($1));
130 } else {
131 ::message ({
132 markup => "background($pid): " . DC::asxml $line,
133 });
134 }
135 }
136 });
137}
138
139sub background_msg {
140 my ($msg) = @_;
141
142 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
143 $msg =~ s/\n//g;
144 utf8::encode $msg;
145 print $msg, "\n";
146}
147
148package DC;
149
150our $RC_THEME;
151our $THEME;
152our @RC_PATH;
153our $RC_BASE;
154
155for (grep !ref, @INC) {
156 $RC_BASE = "$_/Deliantra/Client/private/resources";
157 last if -d $RC_BASE;
158}
159
160sub find_rcfile($) {
161 my $path;
162
163 for (@RC_PATH, "") {
164 $path = "$RC_BASE/$_/$_[0]";
165 return $path if -r $path;
166 }
167
168 die "FATAL: can't find required file \"$_[0]\" in \"$RC_BASE\"\n";
169}
170
171sub set_theme($) {
172 return if $RC_THEME eq $_[0];
173 $RC_THEME = $_[0];
174
175 @RC_PATH = "theme-$RC_THEME";
176
177 {
178 open my $fh, "<:raw", find_rcfile "theme.json"
179 or die "cannot open theme description file";
180
181 local $/;
182 $THEME = JSON::XS->new->utf8->relaxed->decode (<$fh>);
183 }
184
185 @RC_PATH = @{ $THEME->{path} } if $THEME->{path};
186}
187
188sub read_cfg {
189 my ($file) = @_;
190
191 open my $fh, $file
192 or return;
193
194 local $/;
195 my $CFG = <$fh>;
196
197 $::CFG = decode_json $CFG;
198}
199
200sub write_cfg {
201 my $file = "$Deliantra::VARDIR/client.cf";
202
203 $::CFG->{VERSION} = $::VERSION;
204
205 open my $fh, ">:utf8", $file
206 or return;
207 print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
208}
209
210sub http_proxy {
211 my @proxy = win32_proxy_info;
212
213 if (@proxy) {
214 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
215 } elsif (exists $ENV{http_proxy}) {
216 $ENV{http_proxy}
217 } else {
218 ()
219 }
220}
221
222sub set_proxy {
223 my $proxy = http_proxy
224 or return;
225
226 $ENV{http_proxy} = $proxy;
227}
228
229sub lwp_useragent {
230 require LWP::UserAgent;
231
232 DC::set_proxy;
233
234 my $ua = LWP::UserAgent->new (
235 agent => "deliantra $VERSION",
236 keep_alive => 1,
237 env_proxy => 1,
238 timeout => 30,
239 );
240}
241
242sub lwp_check($) {
243 my ($res) = @_;
244
245 $res->is_error
246 and die $res->status_line;
247
248 $res
249}
250
251sub fh_nonblocking($$) {
252 my ($fh, $nb) = @_;
253
254 if ($^O eq "MSWin32") {
255 $nb = (! ! $nb) + 0;
256 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
257 } else {
258 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
259 }
260}
261
262package DC::Layout;
263
264$DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
265 glyph_cache_restore;
266};
267
268$DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
269 glyph_cache_backup;
270};
24 271
251; 2721;
26 273
27=back 274=back
28 275

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