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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 UTC vs.
Revision 1.485 by root, Mon Oct 12 14:12:54 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;
… …
53use JSON::XS 2.01 (); 54use JSON::XS 2.01 ();
54use BDB (); 55use BDB ();
55use Data::Dumper; 56use Data::Dumper;
56use Digest::MD5; 57use Digest::MD5;
57use Fcntl; 58use Fcntl;
58use YAML (); 59use YAML::XS ();
59use IO::AIO (); 60use IO::AIO ();
60use Time::HiRes; 61use Time::HiRes;
61use Compress::LZF; 62use Compress::LZF;
62use Digest::MD5 (); 63use Digest::MD5 ();
63 64
… …
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72 73
73# make sure c-lzf reinitialises itself 74# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve"; 75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
76 80
77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
78 82
79our %COMMAND = (); 83our %COMMAND = ();
80our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
… …
85our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
86our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
87 91
88our $RELOAD; # number of reloads so far, non-zero while in reload 92our $RELOAD; # number of reloads so far, non-zero while in reload
89our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
90 96
91our $CONFDIR = confdir; 97our $CONFDIR = confdir;
92our $DATADIR = datadir; 98our $DATADIR = datadir;
93our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
94our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
… …
105our %RESOURCE; 111our %RESOURCE;
106 112
107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
109our $NEXT_TICK; 115our $NEXT_TICK;
110our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
111 117
112our $BDB_DEADLOCK_WATCHER; 118our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER; 119our $BDB_CHECKPOINT_WATCHER;
114our $BDB_TRICKLE_WATCHER; 120our $BDB_TRICKLE_WATCHER;
115our $DB_ENV; 121our $DB_ENV;
116 122
117our @EXTRA_MODULES = qw(pod mapscript); 123our @EXTRA_MODULES = qw(pod match mapscript);
118 124
119our %CFG; 125our %CFG;
120 126
121our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
122our $RUNTIME; 128our $RUNTIME;
… …
134our $JITTER; # average jitter 140our $JITTER; # average jitter
135our $TICK_START; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
136 142
137our @POST_INIT; 143our @POST_INIT;
138 144
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow) 145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
140 147
141binmode STDOUT; 148binmode STDOUT;
142binmode STDERR; 149binmode STDERR;
143 150
144# read virtual server time, if available 151# read virtual server time, if available
… …
157 164
158sub cf::map::normalise; 165sub cf::map::normalise;
159 166
160############################################################################# 167#############################################################################
161 168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
177
178#############################################################################
179
162=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
163 181
164=over 4 182=over 4
165 183
166=item $cf::UPTIME 184=item $cf::UPTIME
… …
214 232
215This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
216C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
217that call. 235that call.
218 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
219=back 243=back
220 244
221=cut 245=cut
222 246
223BEGIN { 247$Coro::State::WARNHOOK = sub {
224 *CORE::GLOBAL::warn = sub {
225 my $msg = join "", @_; 248 my $msg = join "", @_;
226 249
227 $msg .= "\n" 250 $msg .= "\n"
228 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
229 252
230 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
231 254
232 LOG llevError, $msg; 255 LOG llevError, $msg;
233 }; 256};
234}
235 257
236$Coro::State::DIEHOOK = sub { 258$Coro::State::DIEHOOK = sub {
237 return unless $^S eq 0; # "eq", not "==" 259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
238 262
239 if ($Coro::current == $Coro::main) {#d# 263 if ($Coro::current == $Coro::main) {#d#
240 warn "DIEHOOK called in main context, Coro bug?\n";#d# 264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
241 return;#d# 265 return;#d#
242 }#d# 266 }#d#
243 267
244 # kill coroutine otherwise 268 # kill coroutine otherwise
245 warn Carp::longmess $_[0];
246 Coro::terminate 269 Coro::terminate
247}; 270};
248
249$SIG{__DIE__} = sub { }; #d#?
250 271
251@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
252@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
253@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
254@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
1151 $decname, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
1152 1173
1153 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1154 aio_chmod $fh, SAVE_MODE; 1175 aio_chmod $fh, SAVE_MODE;
1155 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1156 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1179 aio_fsync $fh;
1180 }
1157 aio_close $fh; 1181 aio_close $fh;
1158 1182
1159 if (@$objs) { 1183 if (@$objs) {
1160 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1161 aio_chmod $fh, SAVE_MODE; 1185 aio_chmod $fh, SAVE_MODE;
1162 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1163 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
1164 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1190 aio_fsync $fh;
1191 }
1165 aio_close $fh; 1192 aio_close $fh;
1166 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
1167 } 1194 }
1168 } else { 1195 } else {
1169 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
… …
1320 1347
1321# "readahead" all extensions 1348# "readahead" all extensions
1322sub cache_extensions { 1349sub cache_extensions {
1323 my $grp = IO::AIO::aio_group; 1350 my $grp = IO::AIO::aio_group;
1324 1351
1325 add $grp IO::AIO::aio_readdir $LIBDIR, sub { 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1326 for (grep /\.ext$/, @{$_[0]}) { 1353 for (grep /\.ext$/, @{$_[0]}) {
1327 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1328 } 1355 }
1329 }; 1356 };
1330 1357
… …
2213 2240
2214 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2215 2242
2216 return if $self->players; 2243 return if $self->players;
2217 2244
2218 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
2219 2246
2220 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
2221 2248
2222 # need to save uniques path 2249 # need to save uniques path
2223 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
2524 2551
2525 $map->load; 2552 $map->load;
2526 $map->load_neighbours; 2553 $map->load_neighbours;
2527 2554
2528 return unless $self->contr->active; 2555 return unless $self->contr->active;
2529 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2530 $self->activate_recursive;
2531 2556
2532 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2533 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
2559
2560 # only activate afterwards, to support waiting in hooks
2561 $self->activate_recursive;
2534} 2562}
2535 2563
2536=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2537 2565
2538Moves the player to the given map-path and coordinates by first freezing 2566Moves the player to the given map-path and coordinates by first freezing
… …
2785 id => "infobox", 2813 id => "infobox",
2786 title => "Skills", 2814 title => "Skills",
2787 reply => undef, 2815 reply => undef,
2788 tooltip => "Shows your experience per skill and item power", 2816 tooltip => "Shows your experience per skill and item power",
2789 }, 2817 },
2818 "c/shopitems" => {
2819 id => "infobox",
2820 title => "Shop Items",
2821 reply => undef,
2822 tooltip => "Shows the items currently for sale in this shop",
2823 },
2790 "c/resistances" => { 2824 "c/resistances" => {
2791 id => "infobox", 2825 id => "infobox",
2792 title => "Resistances", 2826 title => "Resistances",
2793 reply => undef, 2827 reply => undef,
2794 tooltip => "Shows your resistances", 2828 tooltip => "Shows your resistances",
… …
2796 "c/pets" => { 2830 "c/pets" => {
2797 id => "infobox", 2831 id => "infobox",
2798 title => "Pets", 2832 title => "Pets",
2799 reply => undef, 2833 reply => undef,
2800 tooltip => "Shows information abotu your pets/a specific pet", 2834 tooltip => "Shows information abotu your pets/a specific pet",
2835 },
2836 "c/perceiveself" => {
2837 id => "infobox",
2838 title => "Perceive Self",
2839 reply => undef,
2840 tooltip => "You gained detailed knowledge about yourself",
2801 }, 2841 },
2802 "c/uptime" => { 2842 "c/uptime" => {
2803 id => "infobox", 2843 id => "infobox",
2804 title => "Uptime", 2844 title => "Uptime",
2805 reply => undef, 2845 reply => undef,
… …
3343 3383
3344 warn "finished reloading resource files\n"; 3384 warn "finished reloading resource files\n";
3345} 3385}
3346 3386
3347sub reload_config { 3387sub reload_config {
3388 warn "reloading config file...\n";
3389
3348 open my $fh, "<:utf8", "$CONFDIR/config" 3390 open my $fh, "<:utf8", "$CONFDIR/config"
3349 or return; 3391 or return;
3350 3392
3351 local $/; 3393 local $/;
3352 *CFG = YAML::Load <$fh>; 3394 *CFG = YAML::XS::Load scalar <$fh>;
3353 3395
3354 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3396 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3355 3397
3356 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3398 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3357 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3399 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
3361 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3403 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3362 and die "WARNING: m(un)lockall failed: $!\n"; 3404 and die "WARNING: m(un)lockall failed: $!\n";
3363 }; 3405 };
3364 warn $@ if $@; 3406 warn $@ if $@;
3365 } 3407 }
3408
3409 warn "finished reloading resource files\n";
3366} 3410}
3367 3411
3368sub pidfile() { 3412sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT 3413 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!"; 3414 or die "$PIDFILE: $!";
… …
3380 my $pid = <$fh>; 3424 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0; 3425 kill 9, $pid if $pid > 0;
3382 3426
3383 seek $fh, 0, 0; 3427 seek $fh, 0, 0;
3384 print $fh $$; 3428 print $fh $$;
3429}
3430
3431sub main_loop {
3432 warn "EV::loop starting\n";
3433 if (1) {
3434 EV::loop;
3435 }
3436 warn "EV::loop returned\n";
3437 goto &main_loop unless $REALLY_UNLOOP;
3385} 3438}
3386 3439
3387sub main { 3440sub main {
3388 cf::init_globals; # initialise logging 3441 cf::init_globals; # initialise logging
3389 3442
… …
3429 load_extensions; 3482 load_extensions;
3430 3483
3431 utime time, time, $RUNTIMEFILE; 3484 utime time, time, $RUNTIMEFILE;
3432 3485
3433 # no (long-running) fork's whatsoever before this point(!) 3486 # no (long-running) fork's whatsoever before this point(!)
3487 use POSIX ();
3434 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD}; 3488 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3435 3489
3436 (pop @POST_INIT)->(0) while @POST_INIT; 3490 (pop @POST_INIT)->(0) while @POST_INIT;
3437 }; 3491 };
3438 3492
3439 EV::loop; 3493 main_loop;
3440} 3494}
3441 3495
3442############################################################################# 3496#############################################################################
3443# initialisation and cleanup 3497# initialisation and cleanup
3444 3498
… …
3710 3764
3711 warn "unload completed, starting to reload now"; 3765 warn "unload completed, starting to reload now";
3712 3766
3713 warn "reloading cf.pm"; 3767 warn "reloading cf.pm";
3714 require cf; 3768 require cf;
3715 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3769 cf::_connect_to_perl_1;
3716 3770
3717 warn "loading config and database again"; 3771 warn "loading config and database again";
3718 cf::reload_config; 3772 cf::reload_config;
3719 3773
3720 warn "loading extensions"; 3774 warn "loading extensions";
… …
3928 } 3982 }
3929} 3983}
3930 3984
3931# load additional modules 3985# load additional modules
3932require "cf/$_.pm" for @EXTRA_MODULES; 3986require "cf/$_.pm" for @EXTRA_MODULES;
3987cf::_connect_to_perl_2;
3933 3988
3934END { cf::emergency_save } 3989END { cf::emergency_save }
3935 3990
39361 39911
3937 3992

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