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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.2 by root, Thu Apr 6 20:15:10 2006 UTC vs.
Revision 1.172 by root, Sun Jan 13 08:47:00 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 DC;
16
17use Carp ();
16 18
17BEGIN { 19BEGIN {
18 $VERSION = '0.1'; 20 $VERSION = '0.9964';
19 21
20 use XSLoader; 22 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 23 XSLoader::load "Deliantra::Client", $VERSION;
22} 24}
25
26use utf8;
27
28use AnyEvent ();
29use Pod::POM ();
30use File::Path ();
31use Storable (); # finally
32use Fcntl ();
33use JSON::XS qw(encode_json decode_json);
34
35=item guard { BLOCK }
36
37Returns an object that executes the given block as soon as it is destroyed.
38
39=cut
40
41sub guard(&) {
42 bless \(my $cb = $_[0]), "DC::Guard"
43}
44
45sub DC::Guard::DESTROY {
46 ${$_[0]}->()
47}
48
49=item shorten $string[, $maxlength]
50
51=cut
52
53sub shorten($;$) {
54 my ($str, $len) = @_;
55 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
56 $str
57}
58
59sub asxml($) {
60 local $_ = $_[0];
61
62 s/&/&amp;/g;
63 s/>/&gt;/g;
64 s/</&lt;/g;
65
66 $_
67}
68
69sub socketpipe() {
70 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
71 or die "cannot establish bidirectional pipe: $!\n";
72
73 ($fh1, $fh2)
74}
75
76sub background(&;&) {
77 my ($bg, $cb) = @_;
78
79 my ($fh_r, $fh_w) = DC::socketpipe;
80
81 my $pid = fork;
82
83 if (defined $pid && !$pid) {
84 local $SIG{__DIE__};
85
86 open STDOUT, ">&", $fh_w;
87 open STDERR, ">&", $fh_w;
88 close $fh_r;
89 close $fh_w;
90
91 $| = 1;
92
93 eval { $bg->() };
94
95 if ($@) {
96 my $msg = $@;
97 $msg =~ s/\n+/\n/;
98 warn "FATAL: $msg";
99 DC::_exit 1;
100 }
101
102 # win32 is fucked up, of course. exit will clean stuff up,
103 # which destroys our database etc. _exit will exit ALL
104 # forked processes, because of the dreaded fork emulation.
105 DC::_exit 0;
106 }
107
108 close $fh_w;
109
110 my $buffer;
111
112 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
113 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
114 undef $w;
115 $cb->();
116 return;
117 }
118
119 while ($buffer =~ s/^(.*)\n//) {
120 my $line = $1;
121 $line =~ s/\s+$//;
122 utf8::decode $line;
123 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
124 $cb->(JSON::XS->new->allow_nonref->decode ($1));
125 } else {
126 ::message ({
127 markup => "background($pid): " . DC::asxml $line,
128 });
129 }
130 }
131 });
132}
133
134sub background_msg {
135 my ($msg) = @_;
136
137 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
138 $msg =~ s/\n//g;
139 utf8::encode $msg;
140 print $msg, "\n";
141}
142
143package DC;
144
145sub find_rcfile($) {
146 my $path;
147
148 for (grep !ref, @INC) {
149 $path = "$_/Deliantra/Client/private/resources/$_[0]";
150 return $path if -r $path;
151 }
152
153 die "FATAL: can't find required file $_[0]\n";
154}
155
156sub read_cfg {
157 my ($file) = @_;
158
159 open my $fh, $file
160 or return;
161
162 local $/;
163 my $CFG = <$fh>;
164
165 $::CFG = decode_json $CFG;
166}
167
168sub write_cfg {
169 my ($file) = @_;
170
171 $::CFG->{VERSION} = $::VERSION;
172
173 open my $fh, ">:utf8", $file
174 or return;
175 print $fh encode_json $::CFG;
176}
177
178sub http_proxy {
179 my @proxy = win32_proxy_info;
180
181 if (@proxy) {
182 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
183 } elsif (exists $ENV{http_proxy}) {
184 $ENV{http_proxy}
185 } else {
186 ()
187 }
188}
189
190sub set_proxy {
191 my $proxy = http_proxy
192 or return;
193
194 $ENV{http_proxy} = $proxy;
195}
196
197sub lwp_useragent {
198 require LWP::UserAgent;
199
200 DC::set_proxy;
201
202 my $ua = LWP::UserAgent->new (
203 agent => "deliantra $VERSION",
204 keep_alive => 1,
205 env_proxy => 1,
206 timeout => 30,
207 );
208}
209
210sub lwp_check($) {
211 my ($res) = @_;
212
213 $res->is_error
214 and die $res->status_line;
215
216 $res
217}
218
219sub fh_nonblocking($$) {
220 my ($fh, $nb) = @_;
221
222 if ($^O eq "MSWin32") {
223 $nb = (! ! $nb) + 0;
224 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
225 } else {
226 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
227 }
228
229}
230
231package DC::Layout;
232
233$DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
234 glyph_cache_restore;
235};
236
237$DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
238 glyph_cache_backup;
239};
23 240
241; 2411;
25 242
26=back 243=back
27 244

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