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Revision 1.441 by root, Sat Aug 30 05:19:03 2008 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 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;
26use strict "vars", "subs"; 27use strict qw(vars subs);
27 28
28use Symbol; 29use Symbol;
29use List::Util; 30use List::Util;
30use Socket; 31use Socket;
31use EV; 32use EV;
32use Opcode; 33use Opcode;
33use Safe; 34use Safe;
34use Safe::Hole; 35use Safe::Hole;
35use Storable (); 36use Storable ();
36 37
38use Guard ();
37use Coro (); 39use Coro ();
38use Coro::State; 40use Coro::State;
39use Coro::Handle; 41use Coro::Handle;
40use Coro::EV; 42use Coro::EV;
41use Coro::AnyEvent; 43use Coro::AnyEvent;
42use Coro::Timer; 44use Coro::Timer;
43use Coro::Signal; 45use Coro::Signal;
44use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
45use Coro::AnyEvent; 48use Coro::AnyEvent;
46use Coro::AIO; 49use Coro::AIO;
47use Coro::BDB 1.6; 50use Coro::BDB 1.6;
48use Coro::Storable; 51use Coro::Storable;
49use Coro::Util (); 52use Coro::Util ();
51use JSON::XS 2.01 (); 54use JSON::XS 2.01 ();
52use BDB (); 55use BDB ();
53use Data::Dumper; 56use Data::Dumper;
54use Digest::MD5; 57use Digest::MD5;
55use Fcntl; 58use Fcntl;
56use YAML (); 59use YAML::XS ();
57use IO::AIO (); 60use IO::AIO ();
58use Time::HiRes; 61use Time::HiRes;
59use Compress::LZF; 62use Compress::LZF;
60use Digest::MD5 (); 63use Digest::MD5 ();
61 64
63 66
64# configure various modules to our taste 67# configure various modules to our taste
65# 68#
66$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69 77
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71 80
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 82
74our %COMMAND = (); 83our %COMMAND = ();
75our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
78our %EXTCMD = (); 87our %EXTCMD = ();
79our %EXTICMD = (); 88our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
82 91
83our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
85 96
86our $CONFDIR = confdir; 97our $CONFDIR = confdir;
87our $DATADIR = datadir; 98our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
97our %RESOURCE; 111our %RESOURCE;
98 112
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 115our $NEXT_TICK;
102our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
103 117
104our $BDB_DEADLOCK_WATCHER; 118our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER; 119our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER; 120our $BDB_TRICKLE_WATCHER;
107our $DB_ENV; 121our $DB_ENV;
108 122
123our @EXTRA_MODULES = qw(pod match mapscript);
124
109our %CFG; 125our %CFG;
110 126
111our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
112our $RUNTIME; 128our $RUNTIME;
113our $NOW; 129our $NOW;
122our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter 140our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
126 142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
127binmode STDOUT; 148binmode STDOUT;
128binmode STDERR; 149binmode STDERR;
129 150
130# read virtual server time, if available 151# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
135} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
136 159
137mkdir $_ 160mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139 162
140our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
141 164
142sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
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 $1, keys %{"cf::"} };
143 177
144############################################################################# 178#############################################################################
145 179
146=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
147 181
194returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
195per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
196 230
197=item @cf::INVOKE_RESULTS 231=item @cf::INVOKE_RESULTS
198 232
199This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call. 235that call.
202 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
203=back 243=back
204 244
205=cut 245=cut
206 246
207BEGIN { 247$Coro::State::WARNHOOK = sub {
208 *CORE::GLOBAL::warn = sub {
209 my $msg = join "", @_; 248 my $msg = join "", @_;
210 249
211 $msg .= "\n" 250 $msg .= "\n"
212 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
213 252
214 $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;
215 254
216 LOG llevError, $msg; 255 LOG llevError, $msg;
217 }; 256};
218}
219 257
220$Coro::State::DIEHOOK = sub { 258$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "==" 259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
222 262
223 if ($Coro::current == $Coro::main) {#d# 263 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d# 264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d# 265 return;#d#
226 }#d# 266 }#d#
227 267
228 # kill coroutine otherwise 268 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate 269 Coro::terminate
231}; 270};
232
233$SIG{__DIE__} = sub { }; #d#?
234 271
235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300 337
301sub encode_json($) { $json_coder->encode ($_[0]) } 338sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) } 339sub decode_json($) { $json_coder->decode ($_[0]) }
303 340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
304=item cf::lock_wait $string 355=item cf::lock_wait $string
305 356
306Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
307 358
308=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
309 360
310Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
311a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
313returned. 364returned.
314 365
315Locks are *not* recursive, locking from the same coro twice results in a 366Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro. 367deadlocked coro.
322 373
323Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
324 375
325=cut 376=cut
326 377
327our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
328our %LOCKER;#d#
329 379
330sub lock_wait($) { 380sub lock_wait($) {
331 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
337
338 # wait for lock, if any
339 while ($LOCK{$key}) {
340 push @{ $LOCK{$key} }, $Coro::current;
341 Coro::schedule;
342 }
343} 382}
344 383
345sub lock_acquire($) { 384sub lock_acquire($) {
346 my ($key) = @_; 385 $LOCKS->guard ($_[0])
347
348 # wait, to be sure we are not locked
349 lock_wait $key;
350
351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
353
354 Coro::guard {
355 delete $LOCKER{$key};#d#
356 # wake up all waiters, to be on the safe side
357 $_->ready for @{ delete $LOCK{$key} };
358 }
359} 386}
360 387
361sub lock_active($) { 388sub lock_active($) {
362 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
363
364 ! ! $LOCK{$key}
365} 390}
366 391
367sub freeze_mainloop { 392sub freeze_mainloop {
368 tick_inhibit_inc; 393 tick_inhibit_inc;
369 394
370 Coro::guard \&tick_inhibit_dec; 395 &Guard::guard (\&tick_inhibit_dec);
371} 396}
372 397
373=item cf::periodic $interval, $cb 398=item cf::periodic $interval, $cb
374 399
375Like EV::periodic, but randomly selects a starting point so that the actions 400Like EV::periodic, but randomly selects a starting point so that the actions
727 752
728############################################################################# 753#############################################################################
729 754
730=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
731 756
732Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
735 760
736In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
737C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
787=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
788 813
789Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
791 816
792Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
794 819
795These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
796 821
797=over 4 822=over 4
1147 $decname, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
1148 1173
1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150 aio_chmod $fh, SAVE_MODE; 1175 aio_chmod $fh, SAVE_MODE;
1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152 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 }
1153 aio_close $fh; 1181 aio_close $fh;
1154 1182
1155 if (@$objs) { 1183 if (@$objs) {
1156 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) {
1157 aio_chmod $fh, SAVE_MODE; 1185 aio_chmod $fh, SAVE_MODE;
1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
1160 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 }
1161 aio_close $fh; 1192 aio_close $fh;
1162 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
1163 } 1194 }
1164 } else { 1195 } else {
1165 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
1166 } 1197 }
1167 1198
1168 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
1169 } else { 1203 } else {
1170 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
1171 } 1205 }
1172 } else { 1206 } else {
1173 aio_unlink $filename; 1207 aio_unlink $filename;
1174 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
1175 } 1209 }
1266 my ($name, $cb) = @_; 1300 my ($name, $cb) = @_;
1267 1301
1268 $EXTICMD{$name} = $cb; 1302 $EXTICMD{$name} = $cb;
1269} 1303}
1270 1304
1305use File::Glob ();
1306
1271cf::player->attach ( 1307cf::player->attach (
1272 on_command => sub { 1308 on_command => sub {
1273 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
1274 1310
1275 my $cb = $COMMAND{$name} 1311 my $cb = $COMMAND{$name}
1306 } 1342 }
1307 1343
1308 cf::override; 1344 cf::override;
1309 }, 1345 },
1310); 1346);
1347
1348# "readahead" all extensions
1349sub cache_extensions {
1350 my $grp = IO::AIO::aio_group;
1351
1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1353 for (grep /\.ext$/, @{$_[0]}) {
1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1355 }
1356 };
1357
1358 $grp
1359}
1311 1360
1312sub load_extensions { 1361sub load_extensions {
1313 cf::sync_job { 1362 cf::sync_job {
1314 my %todo; 1363 my %todo;
1315 1364
1385 1434
1386=back 1435=back
1387 1436
1388=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
1389 1438
1390Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
1391 1440
1392=cut 1441=cut
1393 1442
1394package cf::player; 1443package cf::player;
1395 1444
1438 1487
1439sub exists($) { 1488sub exists($) {
1440 my ($login) = @_; 1489 my ($login) = @_;
1441 1490
1442 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1443 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1444} 1493}
1445 1494
1446sub find($) { 1495sub find($) {
1447 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1448 my $login = $_[0]; 1497 my $login = $_[0];
1523 my ($pl) = @_; 1572 my ($pl) = @_;
1524 1573
1525 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1526 1575
1527 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1528 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1529 1578
1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1531 $pl->deactivate; 1580 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score; 1582 $pl->ob->check_score;
1619 } 1668 }
1620 1669
1621 \@paths 1670 \@paths
1622} 1671}
1623 1672
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625 1674
1626Expand crossfire pod fragments into protocol xml. 1675Expand deliantra pod fragments into protocol xml.
1627
1628=cut
1629
1630use re 'eval';
1631
1632my $group;
1633my $interior; $interior = qr{
1634 # match a pod interior sequence sans C<< >>
1635 (?:
1636 \ (.*?)\ (?{ $group = $^N })
1637 | < (??{$interior}) >
1638 )
1639}x;
1640
1641sub expand_cfpod {
1642 my ($self, $pod) = @_;
1643
1644 my $xml;
1645
1646 while () {
1647 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1648 $group = $1;
1649
1650 $group =~ s/&/&amp;/g;
1651 $group =~ s/</&lt;/g;
1652
1653 $xml .= $group;
1654 } elsif ($pod =~ m%\G
1655 ([BCGHITU])
1656 <
1657 (?:
1658 ([^<>]*) (?{ $group = $^N })
1659 | < $interior >
1660 )
1661 >
1662 %gcsx
1663 ) {
1664 my ($code, $data) = ($1, $group);
1665
1666 if ($code eq "B") {
1667 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1668 } elsif ($code eq "I") {
1669 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1670 } elsif ($code eq "U") {
1671 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1672 } elsif ($code eq "C") {
1673 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1674 } elsif ($code eq "T") {
1675 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1676 } elsif ($code eq "G") {
1677 my ($male, $female) = split /\|/, $data;
1678 $data = $self->gender ? $female : $male;
1679 $xml .= expand_cfpod ($self, $data);
1680 } elsif ($code eq "H") {
1681 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1682 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1683 "")
1684 [$self->{hintmode}];
1685 } else {
1686 $xml .= "error processing '$code($data)' directive";
1687 }
1688 } else {
1689 if ($pod =~ /\G(.+)/) {
1690 warn "parse error while expanding $pod (at $1)";
1691 }
1692 last;
1693 }
1694 }
1695
1696 for ($xml) {
1697 # create single paragraphs (very hackish)
1698 s/(?<=\S)\n(?=\w)/ /g;
1699
1700 # compress some whitespace
1701 s/\s+\n/\n/g; # ws line-ends
1702 s/\n\n+/\n/g; # double lines
1703 s/^\n+//; # beginning lines
1704 s/\n+$//; # ending lines
1705 }
1706
1707 $xml
1708}
1709
1710no re 'eval';
1711
1712sub hintmode {
1713 $_[0]{hintmode} = $_[1] if @_ > 1;
1714 $_[0]{hintmode}
1715}
1716 1676
1717=item $player->ext_reply ($msgid, @msg) 1677=item $player->ext_reply ($msgid, @msg)
1718 1678
1719Sends an ext reply to the player. 1679Sends an ext reply to the player.
1720 1680
1933 1893
1934 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1935 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1936} 1896}
1937 1897
1938# and all this just because we cannot iterate over
1939# all maps in C++...
1940sub change_all_map_light {
1941 my ($change) = @_;
1942
1943 $_->change_map_light ($change)
1944 for grep $_->outdoor, values %cf::MAP;
1945}
1946
1947sub decay_objects { 1898sub decay_objects {
1948 my ($self) = @_; 1899 my ($self) = @_;
1949 1900
1950 return if $self->{deny_reset}; 1901 return if $self->{deny_reset};
1951 1902
2033sub find { 1984sub find {
2034 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
2035 1986
2036 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
2037 1988
2038 cf::lock_wait "map_data:$path";#d#remove 1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2039 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
2040 1991
2041 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
2042 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2043 my $guard2 = cf::lock_acquire "map_find:$path";
2044
2045 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
2046 or return; 1994 or return;
2047 1995
2048 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
2049 1997
2117 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
2118 $self->decay_objects; 2066 $self->decay_objects;
2119 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
2120 $self->update_buttons; 2068 $self->update_buttons;
2121 cf::cede_to_tick; 2069 cf::cede_to_tick;
2122 $self->set_darkness_map;
2123 cf::cede_to_tick;
2124 $self->activate; 2070 $self->activate;
2125 } 2071 }
2126 2072
2127 $self->{last_save} = $cf::RUNTIME; 2073 $self->{last_save} = $cf::RUNTIME;
2128 $self->last_access ($cf::RUNTIME); 2074 $self->last_access ($cf::RUNTIME);
2294 2240
2295 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2296 2242
2297 return if $self->players; 2243 return if $self->players;
2298 2244
2299 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
2300 2246
2301 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
2302 2248
2303 # need to save uniques path 2249 # need to save uniques path
2304 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
2395 : normalise $_ 2341 : normalise $_
2396 } @{ aio_readdir $UNIQUEDIR or [] } 2342 } @{ aio_readdir $UNIQUEDIR or [] }
2397 ] 2343 ]
2398} 2344}
2399 2345
2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory excluding F</styles>). May block.
2350
2351=cut
2352
2353sub static_maps() {
2354 my @dirs = "";
2355 my @maps;
2356
2357 while (@dirs) {
2358 my $dir = shift @dirs;
2359
2360 next if $dir eq "/styles";
2361
2362 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2363 or return;
2364
2365 for (@$files) {
2366 s/\.map$// or next;
2367 utf8::decode $_;
2368 push @maps, "$dir/$_";
2369 }
2370
2371 push @dirs, map "$dir/$_", @$dirs;
2372 }
2373
2374 \@maps
2375}
2376
2400=back 2377=back
2401 2378
2402=head3 cf::object 2379=head3 cf::object
2403 2380
2404=cut 2381=cut
2469 2446
2470our $SAY_CHANNEL = { 2447our $SAY_CHANNEL = {
2471 id => "say", 2448 id => "say",
2472 title => "Map", 2449 title => "Map",
2473 reply => "say ", 2450 reply => "say ",
2474 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2451 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2475}; 2452};
2476 2453
2477our $CHAT_CHANNEL = { 2454our $CHAT_CHANNEL = {
2478 id => "chat", 2455 id => "chat",
2479 title => "Chat", 2456 title => "Chat",
2534 2511
2535=item $player_object->enter_link 2512=item $player_object->enter_link
2536 2513
2537Freezes the player and moves him/her to a special map (C<{link}>). 2514Freezes the player and moves him/her to a special map (C<{link}>).
2538 2515
2539The player should be reasonably safe there for short amounts of time. You 2516The player should be reasonably safe there for short amounts of time (e.g.
2540I<MUST> call C<leave_link> as soon as possible, though. 2517for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2518though, as the palyer cannot control the character while it is on the link
2519map.
2541 2520
2542Will never block. 2521Will never block.
2543 2522
2544=item $player_object->leave_link ($map, $x, $y) 2523=item $player_object->leave_link ($map, $x, $y)
2545 2524
2603 2582
2604 $map->load; 2583 $map->load;
2605 $map->load_neighbours; 2584 $map->load_neighbours;
2606 2585
2607 return unless $self->contr->active; 2586 return unless $self->contr->active;
2608 $self->activate_recursive;
2609 2587
2610 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611 $self->enter_map ($map, $x, $y); 2589 $self->enter_map ($map, $x, $y);
2590
2591 # only activate afterwards, to support waiting in hooks
2592 $self->activate_recursive;
2612} 2593}
2613 2594
2614=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2595=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2615 2596
2616Moves the player to the given map-path and coordinates by first freezing 2597Moves the player to the given map-path and coordinates by first freezing
2775 $self->contr->savebed ($map, $x, $y) 2756 $self->contr->savebed ($map, $x, $y)
2776 if $exit->flag (cf::FLAG_DAMNED); 2757 if $exit->flag (cf::FLAG_DAMNED);
2777 2758
2778 1 2759 1
2779 }) { 2760 }) {
2780 $self->message ("Something went wrong deep within the crossfire server. " 2761 $self->message ("Something went wrong deep within the deliantra server. "
2781 . "I'll try to bring you back to the map you were before. " 2762 . "I'll try to bring you back to the map you were before. "
2782 . "Please report this to the dungeon master!", 2763 . "Please report this to the dungeon master!",
2783 cf::NDI_UNIQUE | cf::NDI_RED); 2764 cf::NDI_UNIQUE | cf::NDI_RED);
2784 2765
2785 warn "ERROR in enter_exit: $@"; 2766 warn "ERROR in enter_exit: $@";
2815 2796
2816=cut 2797=cut
2817 2798
2818# non-persistent channels (usually the info channel) 2799# non-persistent channels (usually the info channel)
2819our %CHANNEL = ( 2800our %CHANNEL = (
2801 "c/motd" => {
2802 id => "infobox",
2803 title => "MOTD",
2804 reply => undef,
2805 tooltip => "The message of the day",
2806 },
2820 "c/identify" => { 2807 "c/identify" => {
2821 id => "infobox", 2808 id => "infobox",
2822 title => "Identify", 2809 title => "Identify",
2823 reply => undef, 2810 reply => undef,
2824 tooltip => "Items recently identified", 2811 tooltip => "Items recently identified",
2826 "c/examine" => { 2813 "c/examine" => {
2827 id => "infobox", 2814 id => "infobox",
2828 title => "Examine", 2815 title => "Examine",
2829 reply => undef, 2816 reply => undef,
2830 tooltip => "Signs and other items you examined", 2817 tooltip => "Signs and other items you examined",
2818 },
2819 "c/shopinfo" => {
2820 id => "infobox",
2821 title => "Shop Info",
2822 reply => undef,
2823 tooltip => "What your bargaining skill tells you about the shop",
2831 }, 2824 },
2832 "c/book" => { 2825 "c/book" => {
2833 id => "infobox", 2826 id => "infobox",
2834 title => "Book", 2827 title => "Book",
2835 reply => undef, 2828 reply => undef,
2851 id => "infobox", 2844 id => "infobox",
2852 title => "Body Parts", 2845 title => "Body Parts",
2853 reply => undef, 2846 reply => undef,
2854 tooltip => "Shows which body parts you posess and are available", 2847 tooltip => "Shows which body parts you posess and are available",
2855 }, 2848 },
2849 "c/statistics" => {
2850 id => "infobox",
2851 title => "Statistics",
2852 reply => undef,
2853 tooltip => "Shows your primary statistics",
2854 },
2855 "c/skills" => {
2856 id => "infobox",
2857 title => "Skills",
2858 reply => undef,
2859 tooltip => "Shows your experience per skill and item power",
2860 },
2861 "c/shopitems" => {
2862 id => "infobox",
2863 title => "Shop Items",
2864 reply => undef,
2865 tooltip => "Shows the items currently for sale in this shop",
2866 },
2867 "c/resistances" => {
2868 id => "infobox",
2869 title => "Resistances",
2870 reply => undef,
2871 tooltip => "Shows your resistances",
2872 },
2873 "c/pets" => {
2874 id => "infobox",
2875 title => "Pets",
2876 reply => undef,
2877 tooltip => "Shows information abotu your pets/a specific pet",
2878 },
2879 "c/perceiveself" => {
2880 id => "infobox",
2881 title => "Perceive Self",
2882 reply => undef,
2883 tooltip => "You gained detailed knowledge about yourself",
2884 },
2856 "c/uptime" => { 2885 "c/uptime" => {
2857 id => "infobox", 2886 id => "infobox",
2858 title => "Uptime", 2887 title => "Uptime",
2859 reply => undef, 2888 reply => undef,
2860 tooltip => "How long the server has been running since last restart", 2889 tooltip => "How long the server has been running since last restart",
2869 id => "party", 2898 id => "party",
2870 title => "Party", 2899 title => "Party",
2871 reply => "gsay ", 2900 reply => "gsay ",
2872 tooltip => "Messages and chat related to your party", 2901 tooltip => "Messages and chat related to your party",
2873 }, 2902 },
2903 "c/death" => {
2904 id => "death",
2905 title => "Death",
2906 reply => undef,
2907 tooltip => "Reason for and more info about your most recent death",
2908 },
2909 "c/say" => $SAY_CHANNEL,
2910 "c/chat" => $CHAT_CHANNEL,
2874); 2911);
2875 2912
2876sub cf::client::send_msg { 2913sub cf::client::send_msg {
2877 my ($self, $channel, $msg, $color, @extra) = @_; 2914 my ($self, $channel, $msg, $color, @extra) = @_;
2878 2915
2879 $msg = $self->pl->expand_cfpod ($msg); 2916 $msg = $self->pl->expand_cfpod ($msg)
2917 unless $color & cf::NDI_VERBATIM;
2880 2918
2881 $color &= cf::NDI_CLIENT_MASK; # just in case... 2919 $color &= cf::NDI_CLIENT_MASK; # just in case...
2882 2920
2883 # check predefined channels, for the benefit of C 2921 # check predefined channels, for the benefit of C
2884 if ($CHANNEL{$channel}) { 2922 if ($CHANNEL{$channel}) {
2885 $channel = $CHANNEL{$channel}; 2923 $channel = $CHANNEL{$channel};
2886 2924
2887 $self->ext_msg (channel_info => $channel) 2925 $self->ext_msg (channel_info => $channel);
2888 if $self->can_msg;
2889
2890 $channel = $channel->{id}; 2926 $channel = $channel->{id};
2891 2927
2892 } elsif (ref $channel) { 2928 } elsif (ref $channel) {
2893 # send meta info to client, if not yet sent 2929 # send meta info to client, if not yet sent
2894 unless (exists $self->{channel}{$channel->{id}}) { 2930 unless (exists $self->{channel}{$channel->{id}}) {
2895 $self->{channel}{$channel->{id}} = $channel; 2931 $self->{channel}{$channel->{id}} = $channel;
2896 $self->ext_msg (channel_info => $channel) 2932 $self->ext_msg (channel_info => $channel);
2897 if $self->can_msg;
2898 } 2933 }
2899 2934
2900 $channel = $channel->{id}; 2935 $channel = $channel->{id};
2901 } 2936 }
2902 2937
2903 return unless @extra || length $msg; 2938 return unless @extra || length $msg;
2904 2939
2905 if ($self->can_msg) {
2906 # default colour, mask it out 2940 # default colour, mask it out
2907 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2941 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908 if $color & cf::NDI_DEF; 2942 if $color & cf::NDI_DEF;
2909 2943
2910 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2944 my $pkt = "msg "
2945 . $self->{json_coder}->encode (
2911 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2946 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2912 } else { 2947 );
2913 if ($color >= 0) {
2914 # replace some tags by gcfclient-compatible ones
2915 for ($msg) {
2916 1 while
2917 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2918 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2919 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2920 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2921 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2922 }
2923 2948
2924 $color &= cf::NDI_COLOR_MASK; 2949 # try lzf for large packets
2950 $pkt = "lzf " . Compress::LZF::compress $pkt
2951 if 1024 <= length $pkt and $self->{can_lzf};
2925 2952
2926 utf8::encode $msg; 2953 # split very large packets
2927 2954 if (8192 < length $pkt and $self->{can_lzf}) {
2928 if (0 && $msg =~ /\[/) { 2955 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2929 # COMMAND/INFO 2956 $pkt = "frag";
2930 $self->send_packet ("drawextinfo $color 10 8 $msg")
2931 } else {
2932 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2933 $self->send_packet ("drawinfo $color $msg")
2934 }
2935 }
2936 } 2957 }
2958
2959 $self->send_packet ($pkt);
2937} 2960}
2938 2961
2939=item $client->ext_msg ($type, @msg) 2962=item $client->ext_msg ($type, @msg)
2940 2963
2941Sends an ext event to the client. 2964Sends an ext event to the client.
3116The following functions and methods are available within a safe environment: 3139The following functions and methods are available within a safe environment:
3117 3140
3118 cf::object 3141 cf::object
3119 contr pay_amount pay_player map x y force_find force_add destroy 3142 contr pay_amount pay_player map x y force_find force_add destroy
3120 insert remove name archname title slaying race decrease split 3143 insert remove name archname title slaying race decrease split
3144 value
3121 3145
3122 cf::object::player 3146 cf::object::player
3123 player 3147 player
3124 3148
3125 cf::player 3149 cf::player
3131=cut 3155=cut
3132 3156
3133for ( 3157for (
3134 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3158 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3135 insert remove inv nrof name archname title slaying race 3159 insert remove inv nrof name archname title slaying race
3136 decrease split destroy change_exp)], 3160 decrease split destroy change_exp value msg lore send_msg)],
3137 ["cf::object::player" => qw(player)], 3161 ["cf::object::player" => qw(player)],
3138 ["cf::player" => qw(peaceful)], 3162 ["cf::player" => qw(peaceful send_msg)],
3139 ["cf::map" => qw(trigger)], 3163 ["cf::map" => qw(trigger)],
3140) { 3164) {
3141 no strict 'refs'; 3165 no strict 'refs';
3142 my ($pkg, @funs) = @$_; 3166 my ($pkg, @funs) = @$_;
3143 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3167 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3160 my ($code, %vars) = @_; 3184 my ($code, %vars) = @_;
3161 3185
3162 my $qcode = $code; 3186 my $qcode = $code;
3163 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3187 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3164 $qcode =~ s/\n/\\n/g; 3188 $qcode =~ s/\n/\\n/g;
3189
3190 %vars = (_dummy => 0) unless %vars;
3165 3191
3166 local $_; 3192 local $_;
3167 local @safe::cf::_safe_eval_args = values %vars; 3193 local @safe::cf::_safe_eval_args = values %vars;
3168 3194
3169 my $eval = 3195 my $eval =
3399 reload_treasures; 3425 reload_treasures;
3400 3426
3401 warn "finished reloading resource files\n"; 3427 warn "finished reloading resource files\n";
3402} 3428}
3403 3429
3404sub init {
3405 my $guard = freeze_mainloop;
3406
3407 evthread_start IO::AIO::poll_fileno;
3408
3409 reload_resources;
3410}
3411
3412sub reload_config { 3430sub reload_config {
3431 warn "reloading config file...\n";
3432
3413 open my $fh, "<:utf8", "$CONFDIR/config" 3433 open my $fh, "<:utf8", "$CONFDIR/config"
3414 or return; 3434 or return;
3415 3435
3416 local $/; 3436 local $/;
3417 *CFG = YAML::Load <$fh>; 3437 *CFG = YAML::XS::Load scalar <$fh>;
3418 3438
3419 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3439 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3420 3440
3421 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3441 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3422 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3442 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3426 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3446 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3427 and die "WARNING: m(un)lockall failed: $!\n"; 3447 and die "WARNING: m(un)lockall failed: $!\n";
3428 }; 3448 };
3429 warn $@ if $@; 3449 warn $@ if $@;
3430 } 3450 }
3451
3452 warn "finished reloading resource files\n";
3453}
3454
3455sub pidfile() {
3456 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3457 or die "$PIDFILE: $!";
3458 flock $fh, &Fcntl::LOCK_EX
3459 or die "$PIDFILE: flock: $!";
3460 $fh
3461}
3462
3463# make sure only one server instance is running at any one time
3464sub atomic {
3465 my $fh = pidfile;
3466
3467 my $pid = <$fh>;
3468 kill 9, $pid if $pid > 0;
3469
3470 seek $fh, 0, 0;
3471 print $fh $$;
3472}
3473
3474sub main_loop {
3475 warn "EV::loop starting\n";
3476 if (1) {
3477 EV::loop;
3478 }
3479 warn "EV::loop returned\n";
3480 goto &main_loop unless $REALLY_UNLOOP;
3431} 3481}
3432 3482
3433sub main { 3483sub main {
3484 cf::init_globals; # initialise logging
3485
3486 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3487 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3488 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3489 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3490
3491 cf::init_experience;
3492 cf::init_anim;
3493 cf::init_attackmess;
3494 cf::init_dynamic;
3495
3496 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3497
3434 # we must not ever block the main coroutine 3498 # we must not ever block the main coroutine
3435 local $Coro::idle = sub { 3499 local $Coro::idle = sub {
3436 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3500 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3437 (async { 3501 (async {
3438 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3502 $Coro::current->{desc} = "IDLE BUG HANDLER";
3439 EV::loop EV::LOOP_ONESHOT; 3503 EV::loop EV::LOOP_ONESHOT;
3440 })->prio (Coro::PRIO_MAX); 3504 })->prio (Coro::PRIO_MAX);
3441 }; 3505 };
3442 3506
3443 { 3507 evthread_start IO::AIO::poll_fileno;
3444 my $guard = freeze_mainloop; 3508
3509 cf::sync_job {
3510 reload_resources;
3445 reload_config; 3511 reload_config;
3446 db_init; 3512 db_init;
3513
3514 cf::load_settings;
3515 cf::load_materials;
3516 cf::init_uuid;
3517 cf::init_signals;
3518 cf::init_commands;
3519 cf::init_skills;
3520
3521 cf::init_beforeplay;
3522
3523 atomic;
3524
3447 load_extensions; 3525 load_extensions;
3448 3526
3449 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3527 utime time, time, $RUNTIMEFILE;
3528
3529 # no (long-running) fork's whatsoever before this point(!)
3530 use POSIX ();
3531 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3532
3533 (pop @POST_INIT)->(0) while @POST_INIT;
3450 } 3534 };
3451 3535
3452 EV::loop; 3536 main_loop;
3453} 3537}
3454 3538
3455############################################################################# 3539#############################################################################
3456# initialisation and cleanup 3540# initialisation and cleanup
3457 3541
3464 }; 3548 };
3465 } 3549 }
3466} 3550}
3467 3551
3468sub write_runtime_sync { 3552sub write_runtime_sync {
3469 my $runtime = "$LOCALDIR/runtime";
3470
3471 # first touch the runtime file to show we are still running: 3553 # first touch the runtime file to show we are still running:
3472 # the fsync below can take a very very long time. 3554 # the fsync below can take a very very long time.
3473 3555
3474 IO::AIO::aio_utime $runtime, undef, undef; 3556 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475 3557
3476 my $guard = cf::lock_acquire "write_runtime"; 3558 my $guard = cf::lock_acquire "write_runtime";
3477 3559
3478 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3560 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3479 or return; 3561 or return;
3480 3562
3481 my $value = $cf::RUNTIME + 90 + 10; 3563 my $value = $cf::RUNTIME + 90 + 10;
3482 # 10 is the runtime save interval, for a monotonic clock 3564 # 10 is the runtime save interval, for a monotonic clock
3483 # 60 allows for the watchdog to kill the server. 3565 # 60 allows for the watchdog to kill the server.
3493 aio_utime $fh, undef, undef; 3575 aio_utime $fh, undef, undef;
3494 3576
3495 close $fh 3577 close $fh
3496 or return; 3578 or return;
3497 3579
3498 aio_rename "$runtime~", $runtime 3580 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499 and return; 3581 and return;
3500 3582
3501 warn "runtime file written.\n"; 3583 warn "runtime file written.\n";
3502 3584
3503 1 3585 1
3515 my $uuid = "$LOCALDIR/uuid"; 3597 my $uuid = "$LOCALDIR/uuid";
3516 3598
3517 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3599 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518 or return; 3600 or return;
3519 3601
3520 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3602 my $value = uuid_seq uuid_cur;
3603
3604 unless ($value) {
3605 warn "cowardly refusing to write zero uuid value!\n";
3606 return;
3607 }
3608
3609 my $value = uuid_str $value + $uuid_skip;
3521 $uuid_skip = 0; 3610 $uuid_skip = 0;
3522 3611
3523 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3612 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3524 and return; 3613 and return;
3525 3614
3547} 3636}
3548 3637
3549sub emergency_save() { 3638sub emergency_save() {
3550 my $freeze_guard = cf::freeze_mainloop; 3639 my $freeze_guard = cf::freeze_mainloop;
3551 3640
3552 warn "enter emergency perl save\n"; 3641 warn "emergency_perl_save: enter\n";
3553 3642
3554 cf::sync_job { 3643 cf::sync_job {
3644 # this is a trade-off: we want to be very quick here, so
3645 # save all maps without fsync, and later call a global sync
3646 # (which in turn might be very very slow)
3647 local $USE_FSYNC = 0;
3648
3555 # use a peculiar iteration method to avoid tripping on perl 3649 # use a peculiar iteration method to avoid tripping on perl
3556 # refcount bugs in for. also avoids problems with players 3650 # refcount bugs in for. also avoids problems with players
3557 # and maps saved/destroyed asynchronously. 3651 # and maps saved/destroyed asynchronously.
3558 warn "begin emergency player save\n"; 3652 warn "emergency_perl_save: begin player save\n";
3559 for my $login (keys %cf::PLAYER) { 3653 for my $login (keys %cf::PLAYER) {
3560 my $pl = $cf::PLAYER{$login} or next; 3654 my $pl = $cf::PLAYER{$login} or next;
3561 $pl->valid or next; 3655 $pl->valid or next;
3562 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3656 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3563 $pl->save; 3657 $pl->save;
3564 } 3658 }
3565 warn "end emergency player save\n"; 3659 warn "emergency_perl_save: end player save\n";
3566 3660
3567 warn "begin emergency map save\n"; 3661 warn "emergency_perl_save: begin map save\n";
3568 for my $path (keys %cf::MAP) { 3662 for my $path (keys %cf::MAP) {
3569 my $map = $cf::MAP{$path} or next; 3663 my $map = $cf::MAP{$path} or next;
3570 $map->valid or next; 3664 $map->valid or next;
3571 $map->save; 3665 $map->save;
3572 } 3666 }
3573 warn "end emergency map save\n"; 3667 warn "emergency_perl_save: end map save\n";
3574 3668
3575 warn "begin emergency database checkpoint\n"; 3669 warn "emergency_perl_save: begin database checkpoint\n";
3576 BDB::db_env_txn_checkpoint $DB_ENV; 3670 BDB::db_env_txn_checkpoint $DB_ENV;
3577 warn "end emergency database checkpoint\n"; 3671 warn "emergency_perl_save: end database checkpoint\n";
3578 3672
3579 warn "begin write uuid\n"; 3673 warn "emergency_perl_save: begin write uuid\n";
3580 write_uuid_sync 1; 3674 write_uuid_sync 1;
3581 warn "end write uuid\n"; 3675 warn "emergency_perl_save: end write uuid\n";
3582 }; 3676 };
3583 3677
3678 warn "emergency_perl_save: starting sync()\n";
3679 IO::AIO::aio_sync sub {
3680 warn "emergency_perl_save: finished sync()\n";
3681 };
3682
3584 warn "leave emergency perl save\n"; 3683 warn "emergency_perl_save: leave\n";
3585} 3684}
3586 3685
3587sub post_cleanup { 3686sub post_cleanup {
3588 my ($make_core) = @_; 3687 my ($make_core) = @_;
3589 3688
3590 warn Carp::longmess "post_cleanup backtrace" 3689 warn Carp::longmess "post_cleanup backtrace"
3591 if $make_core; 3690 if $make_core;
3691
3692 my $fh = pidfile;
3693 unlink $PIDFILE if <$fh> == $$;
3592} 3694}
3593 3695
3594# a safer delete_package, copied from Symbol 3696# a safer delete_package, copied from Symbol
3595sub clear_package($) { 3697sub clear_package($) {
3596 my $pkg = shift; 3698 my $pkg = shift;
3612 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; 3714 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613 for my $name (keys %$leaf_symtab) { 3715 for my $name (keys %$leaf_symtab) {
3614 _gv_clear *{"$pkg$name"}; 3716 _gv_clear *{"$pkg$name"};
3615# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; 3717# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616 } 3718 }
3617 warn "cleared package #$pkg\n";#d# 3719 warn "cleared package $pkg\n";#d#
3618} 3720}
3619
3620our $RELOAD; # how many times to reload
3621 3721
3622sub do_reload_perl() { 3722sub do_reload_perl() {
3623 # can/must only be called in main 3723 # can/must only be called in main
3624 if ($Coro::current != $Coro::main) { 3724 if ($Coro::current != $Coro::main) {
3625 warn "can only reload from main coroutine"; 3725 warn "can only reload from main coroutine";
3626 return; 3726 return;
3627 } 3727 }
3628 3728
3629 return if $RELOAD++; 3729 return if $RELOAD++;
3730
3731 my $t1 = EV::time;
3630 3732
3631 while ($RELOAD) { 3733 while ($RELOAD) {
3632 warn "reloading..."; 3734 warn "reloading...";
3633 3735
3634 warn "entering sync_job"; 3736 warn "entering sync_job";
3695 clear_package "safe::$_" 3797 clear_package "safe::$_"
3696 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3798 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3697 3799
3698 warn "unloading cf.pm \"a bit\""; 3800 warn "unloading cf.pm \"a bit\"";
3699 delete $INC{"cf.pm"}; 3801 delete $INC{"cf.pm"};
3700 delete $INC{"cf/pod.pm"}; 3802 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3701 3803
3702 # don't, removes xs symbols, too, 3804 # don't, removes xs symbols, too,
3703 # and global variables created in xs 3805 # and global variables created in xs
3704 #clear_package __PACKAGE__; 3806 #clear_package __PACKAGE__;
3705 3807
3706 warn "unload completed, starting to reload now"; 3808 warn "unload completed, starting to reload now";
3707 3809
3708 warn "reloading cf.pm"; 3810 warn "reloading cf.pm";
3709 require cf; 3811 require cf;
3710 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3812 cf::_connect_to_perl_1;
3711 3813
3712 warn "loading config and database again"; 3814 warn "loading config and database again";
3713 cf::reload_config; 3815 cf::reload_config;
3714 3816
3715 warn "loading extensions"; 3817 warn "loading extensions";
3716 cf::load_extensions; 3818 cf::load_extensions;
3717 3819
3820 if ($REATTACH_ON_RELOAD) {
3718 warn "reattaching attachments to objects/players"; 3821 warn "reattaching attachments to objects/players";
3719 _global_reattach; # objects, sockets 3822 _global_reattach; # objects, sockets
3720 warn "reattaching attachments to maps"; 3823 warn "reattaching attachments to maps";
3721 reattach $_ for values %MAP; 3824 reattach $_ for values %MAP;
3722 warn "reattaching attachments to players"; 3825 warn "reattaching attachments to players";
3723 reattach $_ for values %PLAYER; 3826 reattach $_ for values %PLAYER;
3827 }
3828
3829 warn "running post_init jobs";
3830 (pop @POST_INIT)->(1) while @POST_INIT;
3724 3831
3725 warn "leaving sync_job"; 3832 warn "leaving sync_job";
3726 3833
3727 1 3834 1
3728 } or do { 3835 } or do {
3731 }; 3838 };
3732 3839
3733 warn "reloaded"; 3840 warn "reloaded";
3734 --$RELOAD; 3841 --$RELOAD;
3735 } 3842 }
3843
3844 $t1 = EV::time - $t1;
3845 warn "reload completed in ${t1}s\n";
3736}; 3846};
3737 3847
3738our $RELOAD_WATCHER; # used only during reload 3848our $RELOAD_WATCHER; # used only during reload
3739 3849
3740sub reload_perl() { 3850sub reload_perl() {
3741 # doing reload synchronously and two reloads happen back-to-back, 3851 # doing reload synchronously and two reloads happen back-to-back,
3742 # coro crashes during coro_state_free->destroy here. 3852 # coro crashes during coro_state_free->destroy here.
3743 3853
3854 $RELOAD_WATCHER ||= cf::async {
3855 Coro::AIO::aio_wait cache_extensions;
3856
3744 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3857 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3745 do_reload_perl; 3858 do_reload_perl;
3746 undef $RELOAD_WATCHER; 3859 undef $RELOAD_WATCHER;
3860 };
3747 }; 3861 };
3748} 3862}
3749 3863
3750register_command "reload" => sub { 3864register_command "reload" => sub {
3751 my ($who, $arg) = @_; 3865 my ($who, $arg) = @_;
3877 $msg =~ s/\n//; 3991 $msg =~ s/\n//;
3878 3992
3879 # limit the # of concurrent backtraces 3993 # limit the # of concurrent backtraces
3880 if ($_log_backtrace < 2) { 3994 if ($_log_backtrace < 2) {
3881 ++$_log_backtrace; 3995 ++$_log_backtrace;
3996 my $perl_bt = Carp::longmess $msg;
3882 async { 3997 async {
3883 $Coro::current->{desc} = "abt $msg"; 3998 $Coro::current->{desc} = "abt $msg";
3884 3999
3885 my @bt = fork_call { 4000 my @bt = fork_call {
3886 @addr = map { sprintf "%x", $_ } @addr; 4001 @addr = map { sprintf "%x", $_ } @addr;
3897 } 4012 }
3898 4013
3899 @funcs 4014 @funcs
3900 }; 4015 };
3901 4016
3902 LOG llevInfo, "[ABT] $msg\n"; 4017 LOG llevInfo, "[ABT] $perl_bt\n";
4018 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903 LOG llevInfo, "[ABT] $_\n" for @bt; 4019 LOG llevInfo, "[ABT] $_\n" for @bt;
3904 --$_log_backtrace; 4020 --$_log_backtrace;
3905 }; 4021 };
3906 } else { 4022 } else {
3907 LOG llevInfo, "[ABT] $msg\n"; 4023 LOG llevInfo, "[ABT] $msg\n";
3908 LOG llevInfo, "[ABT] [suppressed]\n"; 4024 LOG llevInfo, "[ABT] [suppressed]\n";
3909 } 4025 }
3910} 4026}
3911 4027
3912# load additional modules 4028# load additional modules
3913use cf::pod; 4029require "cf/$_.pm" for @EXTRA_MODULES;
4030cf::_connect_to_perl_2;
3914 4031
3915END { cf::emergency_save } 4032END { cf::emergency_save }
3916 4033
39171 40341
3918 4035

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