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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.477 by root, Wed Sep 2 22:52:36 2009 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 2009 UTC

1# 1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG. 2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3# 3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5# 5#
6# Deliantra is free software: you can redistribute it and/or modify 6# Deliantra is free software: you can redistribute it and/or modify it under
7# it under the terms of the GNU General Public License as published by 7# the terms of the Affero GNU General Public License as published by the
8# the Free Software Foundation, either version 3 of the License, or 8# Free Software Foundation, either version 3 of the License, or (at your
9# (at your option) any later version. 9# option) any later version.
10# 10#
11# This program is distributed in the hope that it will be useful, 11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details. 14# GNU General Public License for more details.
15# 15#
16# You should have received a copy of the GNU General Public License 16# You should have received a copy of the Affero GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>. 17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
18# 19#
19# The authors can be reached via e-mail to <support@deliantra.net> 20# The authors can be reached via e-mail to <support@deliantra.net>
20# 21#
21 22
22package cf; 23package cf;
23 24
24use 5.10.0; 25use 5.10.0;
25use utf8; 26use utf8;
… …
31use EV; 32use EV;
32use Opcode; 33use Opcode;
33use Safe; 34use Safe;
34use Safe::Hole; 35use Safe::Hole;
35use Storable (); 36use Storable ();
37use Carp ();
36 38
37use Guard (); 39use Guard ();
38use Coro (); 40use Coro ();
39use Coro::State; 41use Coro::State;
40use Coro::Handle; 42use Coro::Handle;
… …
53use JSON::XS 2.01 (); 55use JSON::XS 2.01 ();
54use BDB (); 56use BDB ();
55use Data::Dumper; 57use Data::Dumper;
56use Digest::MD5; 58use Digest::MD5;
57use Fcntl; 59use Fcntl;
58use YAML (); 60use YAML::XS ();
59use IO::AIO (); 61use IO::AIO ();
60use Time::HiRes; 62use Time::HiRes;
61use Compress::LZF; 63use Compress::LZF;
62use Digest::MD5 (); 64use Digest::MD5 ();
63 65
… …
88our %EXT_CORO = (); # coroutines bound to extensions 90our %EXT_CORO = (); # coroutines bound to extensions
89our %EXT_MAP = (); # pluggable maps 91our %EXT_MAP = (); # pluggable maps
90 92
91our $RELOAD; # number of reloads so far, non-zero while in reload 93our $RELOAD; # number of reloads so far, non-zero while in reload
92our @EVENT; 94our @EVENT;
95our @REFLECT; # set by XS
96our %REFLECT; # set by us
93 97
94our $CONFDIR = confdir; 98our $CONFDIR = confdir;
95our $DATADIR = datadir; 99our $DATADIR = datadir;
96our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
97our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
… …
115our $BDB_DEADLOCK_WATCHER; 119our $BDB_DEADLOCK_WATCHER;
116our $BDB_CHECKPOINT_WATCHER; 120our $BDB_CHECKPOINT_WATCHER;
117our $BDB_TRICKLE_WATCHER; 121our $BDB_TRICKLE_WATCHER;
118our $DB_ENV; 122our $DB_ENV;
119 123
120our @EXTRA_MODULES = qw(pod mapscript); 124our @EXTRA_MODULES = qw(pod match mapscript);
121 125
122our %CFG; 126our %CFG;
123 127
124our $UPTIME; $UPTIME ||= time; 128our $UPTIME; $UPTIME ||= time;
125our $RUNTIME; 129our $RUNTIME;
… …
161 165
162sub cf::map::normalise; 166sub cf::map::normalise;
163 167
164############################################################################# 168#############################################################################
165 169
170%REFLECT = ();
171for (@REFLECT) {
172 my $reflect = JSON::XS::decode_json $_;
173 $REFLECT{$reflect->{class}} = $reflect;
174}
175
176# this is decidedly evil
177$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
178
179#############################################################################
180
166=head2 GLOBAL VARIABLES 181=head2 GLOBAL VARIABLES
167 182
168=over 4 183=over 4
169 184
170=item $cf::UPTIME 185=item $cf::UPTIME
… …
214returns directly I<after> the tick processing (and consequently, can only wake one process 229returns directly I<after> the tick processing (and consequently, can only wake one process
215per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 230per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
216 231
217=item @cf::INVOKE_RESULTS 232=item @cf::INVOKE_RESULTS
218 233
219This array contains the results of the last C<invoke ()> call. When 234This array contains the results of the last C<invoke ()> call. When
220C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 235C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
221that call. 236that call.
237
238=item %cf::REFLECT
239
240Contains, for each (C++) class name, a hash reference with information
241about object members (methods, scalars, arrays and flags) and other
242metadata, which is useful for introspection.
222 243
223=back 244=back
224 245
225=cut 246=cut
226 247
… …
269)) { 290)) {
270 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 291 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
271} 292}
272 293
273$EV::DIED = sub { 294$EV::DIED = sub {
274 warn "error in event callback: @_"; 295 Carp::cluck "error in event callback: @_";
275}; 296};
276 297
277############################################################################# 298#############################################################################
278 299
279=head2 UTILITY FUNCTIONS 300=head2 UTILITY FUNCTIONS
… …
2220 2241
2221 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
2222 2243
2223 return if $self->players; 2244 return if $self->players;
2224 2245
2225 warn "resetting map ", $self->path; 2246 warn "resetting map ", $self->path, "\n";
2226 2247
2227 $self->in_memory (cf::MAP_SWAPPED); 2248 $self->in_memory (cf::MAP_SWAPPED);
2228 2249
2229 # need to save uniques path 2250 # need to save uniques path
2230 unless ($self->{deny_save}) { 2251 unless ($self->{deny_save}) {
… …
2321 : normalise $_ 2342 : normalise $_
2322 } @{ aio_readdir $UNIQUEDIR or [] } 2343 } @{ aio_readdir $UNIQUEDIR or [] }
2323 ] 2344 ]
2324} 2345}
2325 2346
2347=item cf::map::static_maps
2348
2349Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2350file in the shared directory excluding F</styles> and F</editor>). May
2351block.
2352
2353=cut
2354
2355sub static_maps() {
2356 my @dirs = "";
2357 my @maps;
2358
2359 while (@dirs) {
2360 my $dir = shift @dirs;
2361
2362 next if $dir eq "/styles" || $dir eq "/editor";
2363
2364 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2365 or return;
2366
2367 for (@$files) {
2368 s/\.map$// or next;
2369 utf8::decode $_;
2370 push @maps, "$dir/$_";
2371 }
2372
2373 push @dirs, map "$dir/$_", @$dirs;
2374 }
2375
2376 \@maps
2377}
2378
2326=back 2379=back
2327 2380
2328=head3 cf::object 2381=head3 cf::object
2329 2382
2330=cut 2383=cut
… …
2525 ($x, $y) = (-1, -1) 2578 ($x, $y) = (-1, -1)
2526 unless (defined $x) && (defined $y); 2579 unless (defined $x) && (defined $y);
2527 2580
2528 # use -1 or undef as default coordinates, not 0, 0 2581 # use -1 or undef as default coordinates, not 0, 0
2529 ($x, $y) = ($map->enter_x, $map->enter_y) 2582 ($x, $y) = ($map->enter_x, $map->enter_y)
2530 if $x <=0 && $y <= 0; 2583 if $x <= 0 && $y <= 0;
2531 2584
2532 $map->load; 2585 $map->load;
2533 $map->load_neighbours; 2586 $map->load_neighbours;
2534 2587
2535 return unless $self->contr->active; 2588 return unless $self->contr->active;
… …
2734 2787
2735 utf8::encode $text; 2788 utf8::encode $text;
2736 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2789 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2737} 2790}
2738 2791
2792=item $client->send_big_packet ($pkt)
2793
2794Like C<send_packet>, but tries to compress large packets, and fragments
2795them as required.
2796
2797=cut
2798
2799our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2800
2801sub cf::client::send_big_packet {
2802 my ($self, $pkt) = @_;
2803
2804 # try lzf for large packets
2805 $pkt = "lzf " . Compress::LZF::compress $pkt
2806 if 1024 <= length $pkt and $self->{can_lzf};
2807
2808 # split very large packets
2809 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2810 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2811 $pkt = "frag";
2812 }
2813
2814 $self->send_packet ($pkt);
2815}
2816
2739=item $client->send_msg ($channel, $msg, $color, [extra...]) 2817=item $client->send_msg ($channel, $msg, $color, [extra...])
2740 2818
2741Send a drawinfo or msg packet to the client, formatting the msg for the 2819Send a drawinfo or msg packet to the client, formatting the msg for the
2742client if neccessary. C<$type> should be a string identifying the type of 2820client if neccessary. C<$type> should be a string identifying the type of
2743the message, with C<log> being the default. If C<$color> is negative, suppress 2821the message, with C<log> being the default. If C<$color> is negative, suppress
… …
2745 2823
2746=cut 2824=cut
2747 2825
2748# non-persistent channels (usually the info channel) 2826# non-persistent channels (usually the info channel)
2749our %CHANNEL = ( 2827our %CHANNEL = (
2828 "c/motd" => {
2829 id => "infobox",
2830 title => "MOTD",
2831 reply => undef,
2832 tooltip => "The message of the day",
2833 },
2750 "c/identify" => { 2834 "c/identify" => {
2751 id => "infobox", 2835 id => "infobox",
2752 title => "Identify", 2836 title => "Identify",
2753 reply => undef, 2837 reply => undef,
2754 tooltip => "Items recently identified", 2838 tooltip => "Items recently identified",
… …
2756 "c/examine" => { 2840 "c/examine" => {
2757 id => "infobox", 2841 id => "infobox",
2758 title => "Examine", 2842 title => "Examine",
2759 reply => undef, 2843 reply => undef,
2760 tooltip => "Signs and other items you examined", 2844 tooltip => "Signs and other items you examined",
2845 },
2846 "c/shopinfo" => {
2847 id => "infobox",
2848 title => "Shop Info",
2849 reply => undef,
2850 tooltip => "What your bargaining skill tells you about the shop",
2761 }, 2851 },
2762 "c/book" => { 2852 "c/book" => {
2763 id => "infobox", 2853 id => "infobox",
2764 title => "Book", 2854 title => "Book",
2765 reply => undef, 2855 reply => undef,
… …
2881 my $pkt = "msg " 2971 my $pkt = "msg "
2882 . $self->{json_coder}->encode ( 2972 . $self->{json_coder}->encode (
2883 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra] 2973 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2884 ); 2974 );
2885 2975
2886 # try lzf for large packets
2887 $pkt = "lzf " . Compress::LZF::compress $pkt
2888 if 1024 <= length $pkt and $self->{can_lzf};
2889
2890 # split very large packets
2891 if (8192 < length $pkt and $self->{can_lzf}) {
2892 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2893 $pkt = "frag";
2894 }
2895
2896 $self->send_packet ($pkt); 2976 $self->send_big_packet ($pkt);
2897} 2977}
2898 2978
2899=item $client->ext_msg ($type, @msg) 2979=item $client->ext_msg ($type, @msg)
2900 2980
2901Sends an ext event to the client. 2981Sends an ext event to the client.
… …
2904 2984
2905sub cf::client::ext_msg($$@) { 2985sub cf::client::ext_msg($$@) {
2906 my ($self, $type, @msg) = @_; 2986 my ($self, $type, @msg) = @_;
2907 2987
2908 if ($self->extcmd == 2) { 2988 if ($self->extcmd == 2) {
2909 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2989 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2910 } elsif ($self->extcmd == 1) { # TODO: remove 2990 } elsif ($self->extcmd == 1) { # TODO: remove
2911 push @msg, msgtype => "event_$type"; 2991 push @msg, msgtype => "event_$type";
2912 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2992 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2913 } 2993 }
2914} 2994}
2915 2995
2916=item $client->ext_reply ($msgid, @msg) 2996=item $client->ext_reply ($msgid, @msg)
2917 2997
… …
2921 3001
2922sub cf::client::ext_reply($$@) { 3002sub cf::client::ext_reply($$@) {
2923 my ($self, $id, @msg) = @_; 3003 my ($self, $id, @msg) = @_;
2924 3004
2925 if ($self->extcmd == 2) { 3005 if ($self->extcmd == 2) {
2926 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 3006 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2927 } elsif ($self->extcmd == 1) { 3007 } elsif ($self->extcmd == 1) {
2928 #TODO: version 1, remove 3008 #TODO: version 1, remove
2929 unshift @msg, msgtype => "reply", msgid => $id; 3009 unshift @msg, msgtype => "reply", msgid => $id;
2930 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3010 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2931 } 3011 }
2932} 3012}
2933 3013
2934=item $success = $client->query ($flags, "text", \&cb) 3014=item $success = $client->query ($flags, "text", \&cb)
2935 3015
… …
3363 3443
3364 warn "finished reloading resource files\n"; 3444 warn "finished reloading resource files\n";
3365} 3445}
3366 3446
3367sub reload_config { 3447sub reload_config {
3448 warn "reloading config file...\n";
3449
3368 open my $fh, "<:utf8", "$CONFDIR/config" 3450 open my $fh, "<:utf8", "$CONFDIR/config"
3369 or return; 3451 or return;
3370 3452
3371 local $/; 3453 local $/;
3372 *CFG = YAML::Load <$fh>; 3454 *CFG = YAML::XS::Load scalar <$fh>;
3373 3455
3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3456 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3375 3457
3376 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3458 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3459 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
3381 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3463 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3382 and die "WARNING: m(un)lockall failed: $!\n"; 3464 and die "WARNING: m(un)lockall failed: $!\n";
3383 }; 3465 };
3384 warn $@ if $@; 3466 warn $@ if $@;
3385 } 3467 }
3468
3469 warn "finished reloading resource files\n";
3386} 3470}
3387 3471
3388sub pidfile() { 3472sub pidfile() {
3389 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT 3473 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3390 or die "$PIDFILE: $!"; 3474 or die "$PIDFILE: $!";
… …
3740 3824
3741 warn "unload completed, starting to reload now"; 3825 warn "unload completed, starting to reload now";
3742 3826
3743 warn "reloading cf.pm"; 3827 warn "reloading cf.pm";
3744 require cf; 3828 require cf;
3745 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3829 cf::_connect_to_perl_1;
3746 3830
3747 warn "loading config and database again"; 3831 warn "loading config and database again";
3748 cf::reload_config; 3832 cf::reload_config;
3749 3833
3750 warn "loading extensions"; 3834 warn "loading extensions";
… …
3958 } 4042 }
3959} 4043}
3960 4044
3961# load additional modules 4045# load additional modules
3962require "cf/$_.pm" for @EXTRA_MODULES; 4046require "cf/$_.pm" for @EXTRA_MODULES;
4047cf::_connect_to_perl_2;
3963 4048
3964END { cf::emergency_save } 4049END { cf::emergency_save }
3965 4050
39661 40511
3967 4052

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