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Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 2010 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 (©) 2006,2007,2008,2009,2010 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
25use 5.10.0;
24use utf8; 26use utf8;
25use strict; 27use strict qw(vars subs);
26 28
27use Symbol; 29use Symbol;
28use List::Util; 30use List::Util;
29use Socket; 31use Socket;
30use EV 3.2; 32use EV;
31use Opcode; 33use Opcode;
32use Safe; 34use Safe;
33use Safe::Hole; 35use Safe::Hole;
34use Storable (); 36use Storable ();
37use Carp ();
35 38
39use Guard ();
36use Coro 4.50 (); 40use Coro ();
37use Coro::State; 41use Coro::State;
38use Coro::Handle; 42use Coro::Handle;
39use Coro::EV; 43use Coro::EV;
44use Coro::AnyEvent;
40use Coro::Timer; 45use Coro::Timer;
41use Coro::Signal; 46use Coro::Signal;
42use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
43use Coro::AIO; 50use Coro::AIO;
44use Coro::BDB; 51use Coro::BDB 1.6;
45use Coro::Storable; 52use Coro::Storable;
46use Coro::Util (); 53use Coro::Util ();
47 54
48use JSON::XS 2.01 (); 55use JSON::XS 2.01 ();
49use BDB (); 56use BDB ();
50use Data::Dumper; 57use Data::Dumper;
51use Digest::MD5;
52use Fcntl; 58use Fcntl;
53use YAML (); 59use YAML::XS ();
54use IO::AIO 2.51 (); 60use IO::AIO ();
55use Time::HiRes; 61use Time::HiRes;
56use Compress::LZF; 62use Compress::LZF;
57use Digest::MD5 (); 63use Digest::MD5 ();
64
65AnyEvent::detect;
58 66
59# configure various modules to our taste 67# configure various modules to our taste
60# 68#
61$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
62Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64 77
65$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" };
66 80
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 82
69our %COMMAND = (); 83our %COMMAND = ();
70our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
73our %EXTCMD = (); 87our %EXTCMD = ();
74our %EXTICMD = (); 88our %EXTICMD = ();
75our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
76our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
77 91
78our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
79our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
80 96
81our $CONFDIR = confdir; 97our $CONFDIR = confdir;
82our $DATADIR = datadir; 98our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
92our %RESOURCE; 111our %RESOURCE;
93 112
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 115our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
99 117
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 118our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 119our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 120our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 121our $DB_ENV;
105 122
123our @EXTRA_MODULES = qw(pod match mapscript);
124
106our %CFG; 125our %CFG;
107 126
108our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
109our $RUNTIME; 128our $RUNTIME;
110our $NOW; 129our $NOW;
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 140our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
123 142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
124binmode STDOUT; 148binmode STDOUT;
125binmode STDERR; 149binmode STDERR;
126 150
127# read virtual server time, if available 151# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
132} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
133 159
134mkdir $_ 160mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136 162
137our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
138 164
139sub 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 $1, keys %{"cf::"} };
140 177
141############################################################################# 178#############################################################################
142 179
143=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
144 181
191returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
192per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193 230
194=item @cf::INVOKE_RESULTS 231=item @cf::INVOKE_RESULTS
195 232
196This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call. 235that call.
199 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
200=back 243=back
201 244
202=cut 245=cut
203 246
204BEGIN { 247$Coro::State::WARNHOOK = sub {
205 *CORE::GLOBAL::warn = sub {
206 my $msg = join "", @_; 248 my $msg = join "", @_;
207 249
208 $msg .= "\n" 250 $msg .= "\n"
209 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
210 252
211 $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;
212 254
213 LOG llevError, $msg; 255 LOG llevError, $msg;
214 }; 256};
215}
216 257
217$Coro::State::DIEHOOK = sub { 258$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "==" 259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
219 262
220 if ($Coro::current == $Coro::main) {#d# 263 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d# 264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d# 265 return;#d#
223 }#d# 266 }#d#
224 267
225 # kill coroutine otherwise 268 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate 269 Coro::terminate
228}; 270};
229
230$SIG{__DIE__} = sub { }; #d#?
231 271
232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
242for my $pkg (qw( 282for my $pkg (qw(
243 cf::global cf::attachable 283 cf::global cf::attachable
244 cf::object cf::object::player 284 cf::object cf::object::player
245 cf::client cf::player 285 cf::client cf::player
246 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
247 cf::map cf::party cf::region 288 cf::party cf::region
248)) { 289)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 291}
252 292
253$EV::DIED = sub { 293$EV::DIED = sub {
254 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
255}; 295};
256 296
257############################################################################# 297#############################################################################
258 298
259=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 337
298sub encode_json($) { $json_coder->encode ($_[0]) } 338sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 339sub decode_json($) { $json_coder->decode ($_[0]) }
300 340
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
301=item cf::lock_wait $string 355=item cf::lock_wait $string
302 356
303Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
304 358
305=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
306 360
307Wait 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
308a 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,
309for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
310returned. 364returned.
311 365
312Locks 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
313deadlocked coro. 367deadlocked coro.
319 373
320Return 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.
321 375
322=cut 376=cut
323 377
324our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
325our %LOCKER;#d#
326 379
327sub lock_wait($) { 380sub lock_wait($) {
328 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
334
335 # wait for lock, if any
336 while ($LOCK{$key}) {
337 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule;
339 }
340} 382}
341 383
342sub lock_acquire($) { 384sub lock_acquire($) {
343 my ($key) = @_; 385 $LOCKS->guard ($_[0])
344
345 # wait, to be sure we are not locked
346 lock_wait $key;
347
348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
350
351 Coro::guard {
352 delete $LOCKER{$key};#d#
353 # wake up all waiters, to be on the safe side
354 $_->ready for @{ delete $LOCK{$key} };
355 }
356} 386}
357 387
358sub lock_active($) { 388sub lock_active($) {
359 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
360
361 ! ! $LOCK{$key}
362} 390}
363 391
364sub freeze_mainloop { 392sub freeze_mainloop {
365 tick_inhibit_inc; 393 tick_inhibit_inc;
366 394
367 Coro::guard \&tick_inhibit_dec; 395 &Guard::guard (\&tick_inhibit_dec);
368} 396}
369 397
370=item cf::periodic $interval, $cb 398=item cf::periodic $interval, $cb
371 399
372Like 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
395 423
396=cut 424=cut
397 425
398our @SLOT_QUEUE; 426our @SLOT_QUEUE;
399our $SLOT_QUEUE; 427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
400 429
401$SLOT_QUEUE->cancel if $SLOT_QUEUE; 430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async { 431$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager"); 432 $Coro::current->desc ("timeslot manager");
404 433
405 my $signal = new Coro::Signal; 434 my $signal = new Coro::Signal;
435 my $busy;
406 436
407 while () { 437 while () {
408 next_job: 438 next_job:
439
409 my $avail = cf::till_tick; 440 my $avail = cf::till_tick;
410 if ($avail > 0.01) { 441
411 for (0 .. $#SLOT_QUEUE) { 442 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) { 443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
413 my $job = splice @SLOT_QUEUE, $_, 1, (); 445 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send; 446 $job->[2]->send;
415 Coro::cede; 447 Coro::cede;
416 goto next_job; 448 goto next_job;
417 } 449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418 } 451 }
419 } 452 }
420 453
421 if (@SLOT_QUEUE) { 454 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive 455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal; 456 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait; 457 $signal->wait;
425 } else { 458 } else {
459 $busy = 0;
426 Coro::schedule; 460 Coro::schedule;
427 } 461 }
428 } 462 }
429}; 463};
430 464
431sub get_slot($;$$) { 465sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main; 466 return if tick_inhibit || $Coro::current == $Coro::main;
433 467
434 my ($time, $pri, $name) = @_; 468 my ($time, $pri, $name) = @_;
435 469
436 $time = $TICK * .6 if $time > $TICK * .6; 470 $time = clamp $time, 0.01, $TICK * .6;
471
437 my $sig = new Coro::Signal; 472 my $sig = new Coro::Signal;
438 473
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 474 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 475 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready; 476 $SLOT_QUEUE->ready;
724 759
725############################################################################# 760#############################################################################
726 761
727=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
728 763
729Many objects in crossfire are so-called attachable objects. That means you can 764Many objects in deliantra are so-called attachable objects. That means you can
730attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
732 767
733In the following description, CLASS can be any of C<global>, C<object> 768In the following description, CLASS can be any of C<global>, C<object>
734C<player>, C<client> or C<map> (i.e. the attachable objects in 769C<player>, C<client> or C<map> (i.e. the attachable objects in
784=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
785 820
786Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
788 823
789Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 825that are attached at load/instantiate time, thus the need for a name.
791 826
792These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
793 828
794=over 4 829=over 4
1085 1120
1086sub reattach { 1121sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1123 my ($obj) = @_;
1089 1124
1125 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1127
1092 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
1093 1129
1094 @$registry = (); 1130 @$registry = ();
1095 1131
1143 $decname, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
1144 1180
1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146 aio_chmod $fh, SAVE_MODE; 1182 aio_chmod $fh, SAVE_MODE;
1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 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;
1186 aio_fsync $fh;
1187 }
1149 aio_close $fh; 1188 aio_close $fh;
1150 1189
1151 if (@$objs) { 1190 if (@$objs) {
1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1191 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153 aio_chmod $fh, SAVE_MODE; 1192 aio_chmod $fh, SAVE_MODE;
1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
1156 aio_fsync $fh if $cf::USE_FSYNC; 1195 if ($cf::USE_FSYNC) {
1196 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;
1197 aio_fsync $fh;
1198 }
1157 aio_close $fh; 1199 aio_close $fh;
1158 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
1159 } 1201 }
1160 } else { 1202 } else {
1161 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
1162 } 1204 }
1163 1205
1164 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
1165 } else { 1210 } else {
1166 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
1167 } 1212 }
1168 } else { 1213 } else {
1169 aio_unlink $filename; 1214 aio_unlink $filename;
1170 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
1171 } 1216 }
1262 my ($name, $cb) = @_; 1307 my ($name, $cb) = @_;
1263 1308
1264 $EXTICMD{$name} = $cb; 1309 $EXTICMD{$name} = $cb;
1265} 1310}
1266 1311
1312use File::Glob ();
1313
1267cf::player->attach ( 1314cf::player->attach (
1268 on_command => sub { 1315 on_command => sub {
1269 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
1270 1317
1271 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
1303 1350
1304 cf::override; 1351 cf::override;
1305 }, 1352 },
1306); 1353);
1307 1354
1355# "readahead" all extensions
1356sub cache_extensions {
1357 my $grp = IO::AIO::aio_group;
1358
1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1360 for (grep /\.ext$/, @{$_[0]}) {
1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1362 }
1363 };
1364
1365 $grp
1366}
1367
1308sub load_extensions { 1368sub load_extensions {
1309 cf::sync_job { 1369 cf::sync_job {
1310 my %todo; 1370 my %todo;
1311 1371
1312 for my $path (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
1331 1391
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1394
1335 $ext{source} = 1395 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1397 . "#line 1 \"$path\"\n{\n"
1338 . $source 1398 . $source
1339 . "\n};\n1"; 1399 . "\n};\n1";
1340 1400
1341 $todo{$base} = \%ext; 1401 $todo{$base} = \%ext;
1342 } 1402 }
1343 1403
1404 my $pass = 0;
1344 my %done; 1405 my %done;
1345 while (%todo) { 1406 while (%todo) {
1346 my $progress; 1407 my $progress;
1347 1408
1409 ++$pass;
1410
1411 ext:
1348 while (my ($k, $v) = each %todo) { 1412 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) { 1413 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip 1414 next ext
1351 unless exists $done{$_}; 1415 unless exists $done{$_};
1352 } 1416 }
1353 1417
1354 warn "... loading '$k' into '$v->{pkg}'\n"; 1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355 1419
1356 unless (eval $v->{source}) { 1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
1357 my $msg = $@ ? "$v->{path}: $@\n" 1423 warn "$v->{path}: $@\n";
1358 : "$v->{base}: extension inactive.\n";
1359 1424
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting."; 1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363 } 1426 if exists $v->{meta}{mandatory};
1364 1427 } else {
1365 warn $msg; 1428 $done{$k} = delete $todo{$k};
1429 push @EXTS, $v->{pkg};
1430 $progress = 1;
1431
1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1366 } 1434 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
1371 } 1435 }
1372 1436
1373 skip: 1437 unless ($progress) {
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375 unless $progress; 1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1376 } 1445 }
1377 }; 1446 };
1378} 1447}
1379 1448
1380############################################################################# 1449#############################################################################
1381 1450
1382=back 1451=back
1383 1452
1384=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
1385 1454
1386Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
1387 1456
1388=cut 1457=cut
1389 1458
1390package cf::player; 1459package cf::player;
1391 1460
1434 1503
1435sub exists($) { 1504sub exists($) {
1436 my ($login) = @_; 1505 my ($login) = @_;
1437 1506
1438 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
1440} 1509}
1441 1510
1442sub find($) { 1511sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1513 my $login = $_[0];
1519 my ($pl) = @_; 1588 my ($pl) = @_;
1520 1589
1521 my $name = $pl->ob->name; 1590 my $name = $pl->ob->name;
1522 1591
1523 $pl->{deny_save} = 1; 1592 $pl->{deny_save} = 1;
1524 $pl->password ("*"); # this should lock out the player until we nuked the dir 1593 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1525 1594
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1595 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1596 $pl->deactivate;
1597 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1598 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1599 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1600 $pl->ns->destroy if $pl->ns;
1530 1601
1531 my $path = playerdir $pl; 1602 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1603 my $temp = "$path~$cf::RUNTIME~deleting~";
1613 } 1684 }
1614 1685
1615 \@paths 1686 \@paths
1616} 1687}
1617 1688
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1689=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619 1690
1620Expand crossfire pod fragments into protocol xml. 1691Expand deliantra pod fragments into protocol xml.
1621
1622=cut
1623
1624use re 'eval';
1625
1626my $group;
1627my $interior; $interior = qr{
1628 # match a pod interior sequence sans C<< >>
1629 (?:
1630 \ (.*?)\ (?{ $group = $^N })
1631 | < (??{$interior}) >
1632 )
1633}x;
1634
1635sub expand_cfpod {
1636 my ($self, $pod) = @_;
1637
1638 my $xml;
1639
1640 while () {
1641 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642 $group = $1;
1643
1644 $group =~ s/&/&amp;/g;
1645 $group =~ s/</&lt;/g;
1646
1647 $xml .= $group;
1648 } elsif ($pod =~ m%\G
1649 ([BCGHITU])
1650 <
1651 (?:
1652 ([^<>]*) (?{ $group = $^N })
1653 | < $interior >
1654 )
1655 >
1656 %gcsx
1657 ) {
1658 my ($code, $data) = ($1, $group);
1659
1660 if ($code eq "B") {
1661 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662 } elsif ($code eq "I") {
1663 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664 } elsif ($code eq "U") {
1665 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666 } elsif ($code eq "C") {
1667 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668 } elsif ($code eq "T") {
1669 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670 } elsif ($code eq "G") {
1671 my ($male, $female) = split /\|/, $data;
1672 $data = $self->gender ? $female : $male;
1673 $xml .= expand_cfpod ($self, $data);
1674 } elsif ($code eq "H") {
1675 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677 "")
1678 [$self->{hintmode}];
1679 } else {
1680 $xml .= "error processing '$code($data)' directive";
1681 }
1682 } else {
1683 if ($pod =~ /\G(.+)/) {
1684 warn "parse error while expanding $pod (at $1)";
1685 }
1686 last;
1687 }
1688 }
1689
1690 for ($xml) {
1691 # create single paragraphs (very hackish)
1692 s/(?<=\S)\n(?=\w)/ /g;
1693
1694 # compress some whitespace
1695 s/\s+\n/\n/g; # ws line-ends
1696 s/\n\n+/\n/g; # double lines
1697 s/^\n+//; # beginning lines
1698 s/\n+$//; # ending lines
1699 }
1700
1701 $xml
1702}
1703
1704no re 'eval';
1705
1706sub hintmode {
1707 $_[0]{hintmode} = $_[1] if @_ > 1;
1708 $_[0]{hintmode}
1709}
1710 1692
1711=item $player->ext_reply ($msgid, @msg) 1693=item $player->ext_reply ($msgid, @msg)
1712 1694
1713Sends an ext reply to the player. 1695Sends an ext reply to the player.
1714 1696
1927 1909
1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1910 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929 "$UNIQUEDIR/$path" 1911 "$UNIQUEDIR/$path"
1930} 1912}
1931 1913
1932# and all this just because we cannot iterate over
1933# all maps in C++...
1934sub change_all_map_light {
1935 my ($change) = @_;
1936
1937 $_->change_map_light ($change)
1938 for grep $_->outdoor, values %cf::MAP;
1939}
1940
1941sub decay_objects { 1914sub decay_objects {
1942 my ($self) = @_; 1915 my ($self) = @_;
1943 1916
1944 return if $self->{deny_reset}; 1917 return if $self->{deny_reset};
1945 1918
2027sub find { 2000sub find {
2028 my ($path, $origin) = @_; 2001 my ($path, $origin) = @_;
2029 2002
2030 $path = normalise $path, $origin && $origin->path; 2003 $path = normalise $path, $origin && $origin->path;
2031 2004
2032 cf::lock_wait "map_data:$path";#d#remove 2005 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033 cf::lock_wait "map_find:$path"; 2006 my $guard2 = cf::lock_acquire "map_find:$path";
2034 2007
2035 $cf::MAP{$path} || do { 2008 $cf::MAP{$path} || do {
2036 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037 my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039 my $map = new_from_path cf::map $path 2009 my $map = new_from_path cf::map $path
2040 or return; 2010 or return;
2041 2011
2042 $map->{last_save} = $cf::RUNTIME; 2012 $map->{last_save} = $cf::RUNTIME;
2043 2013
2055 2025
2056 $cf::MAP{$path} = $map 2026 $cf::MAP{$path} = $map
2057 } 2027 }
2058} 2028}
2059 2029
2060sub pre_load { } 2030sub pre_load { }
2061sub post_load { } 2031#sub post_load { } # XS
2062 2032
2063sub load { 2033sub load {
2064 my ($self) = @_; 2034 my ($self) = @_;
2065 2035
2066 local $self->{deny_reset} = 1; # loading can take a long time 2036 local $self->{deny_reset} = 1; # loading can take a long time
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2053 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2054 $f->skip_block;
2085 $self->_load_objects ($f) 2055 $self->_load_objects ($f)
2086 or return; 2056 or return;
2087 2057
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2058 $self->post_load_original
2089 if delete $self->{load_original}; 2059 if delete $self->{load_original};
2090 2060
2091 if (my $uniq = $self->uniq_path) { 2061 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2062 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2063 unless (aio_stat $uniq) {
2111 unless ($self->{deny_activate}) { 2081 unless ($self->{deny_activate}) {
2112 $self->decay_objects; 2082 $self->decay_objects;
2113 $self->fix_auto_apply; 2083 $self->fix_auto_apply;
2114 $self->update_buttons; 2084 $self->update_buttons;
2115 cf::cede_to_tick; 2085 cf::cede_to_tick;
2116 $self->set_darkness_map;
2117 cf::cede_to_tick;
2118 $self->activate; 2086 $self->activate;
2119 } 2087 }
2120 2088
2121 $self->{last_save} = $cf::RUNTIME; 2089 $self->{last_save} = $cf::RUNTIME;
2122 $self->last_access ($cf::RUNTIME); 2090 $self->last_access ($cf::RUNTIME);
2288 2256
2289 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
2290 2258
2291 return if $self->players; 2259 return if $self->players;
2292 2260
2293 warn "resetting map ", $self->path; 2261 warn "resetting map ", $self->path, "\n";
2294 2262
2295 $self->in_memory (cf::MAP_SWAPPED); 2263 $self->in_memory (cf::MAP_SWAPPED);
2296 2264
2297 # need to save uniques path 2265 # need to save uniques path
2298 unless ($self->{deny_save}) { 2266 unless ($self->{deny_save}) {
2389 : normalise $_ 2357 : normalise $_
2390 } @{ aio_readdir $UNIQUEDIR or [] } 2358 } @{ aio_readdir $UNIQUEDIR or [] }
2391 ] 2359 ]
2392} 2360}
2393 2361
2362=item cf::map::static_maps
2363
2364Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2365file in the shared directory excluding F</styles> and F</editor>). May
2366block.
2367
2368=cut
2369
2370sub static_maps() {
2371 my @dirs = "";
2372 my @maps;
2373
2374 while (@dirs) {
2375 my $dir = shift @dirs;
2376
2377 next if $dir eq "/styles" || $dir eq "/editor";
2378
2379 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2380 or return;
2381
2382 for (@$files) {
2383 s/\.map$// or next;
2384 utf8::decode $_;
2385 push @maps, "$dir/$_";
2386 }
2387
2388 push @dirs, map "$dir/$_", @$dirs;
2389 }
2390
2391 \@maps
2392}
2393
2394=back 2394=back
2395 2395
2396=head3 cf::object 2396=head3 cf::object
2397 2397
2398=cut 2398=cut
2463 2463
2464our $SAY_CHANNEL = { 2464our $SAY_CHANNEL = {
2465 id => "say", 2465 id => "say",
2466 title => "Map", 2466 title => "Map",
2467 reply => "say ", 2467 reply => "say ",
2468 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2468 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2469}; 2469};
2470 2470
2471our $CHAT_CHANNEL = { 2471our $CHAT_CHANNEL = {
2472 id => "chat", 2472 id => "chat",
2473 title => "Chat", 2473 title => "Chat",
2528 2528
2529=item $player_object->enter_link 2529=item $player_object->enter_link
2530 2530
2531Freezes the player and moves him/her to a special map (C<{link}>). 2531Freezes the player and moves him/her to a special map (C<{link}>).
2532 2532
2533The player should be reasonably safe there for short amounts of time. You 2533The player should be reasonably safe there for short amounts of time (e.g.
2534I<MUST> call C<leave_link> as soon as possible, though. 2534for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2535though, as the palyer cannot control the character while it is on the link
2536map.
2535 2537
2536Will never block. 2538Will never block.
2537 2539
2538=item $player_object->leave_link ($map, $x, $y) 2540=item $player_object->leave_link ($map, $x, $y)
2539 2541
2591 ($x, $y) = (-1, -1) 2593 ($x, $y) = (-1, -1)
2592 unless (defined $x) && (defined $y); 2594 unless (defined $x) && (defined $y);
2593 2595
2594 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
2595 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
2596 if $x <=0 && $y <= 0; 2598 if $x <= 0 && $y <= 0;
2597 2599
2598 $map->load; 2600 $map->load;
2599 $map->load_neighbours; 2601 $map->load_neighbours;
2600 2602
2601 return unless $self->contr->active; 2603 return unless $self->contr->active;
2602 $self->activate_recursive;
2603 2604
2604 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2605 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605 $self->enter_map ($map, $x, $y); 2606 $self->enter_map ($map, $x, $y);
2607
2608 # only activate afterwards, to support waiting in hooks
2609 $self->activate_recursive;
2606} 2610}
2607 2611
2608=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2609 2613
2610Moves the player to the given map-path and coordinates by first freezing 2614Moves the player to the given map-path and coordinates by first freezing
2611her, loading and preparing them map, calling the provided $check callback 2615her, loading and preparing them map, calling the provided $check callback
2612that has to return the map if sucecssful, and then unfreezes the player on 2616that has to return the map if sucecssful, and then unfreezes the player on
2613the new (success) or old (failed) map position. In either case, $done will 2617the new (success) or old (failed) map position. In either case, $done will
2614be called at the end of this process. 2618be called at the end of this process.
2619
2620Note that $check will be called with a potentially non-loaded map, so if
2621it needs a loaded map it has to call C<< ->load >>.
2615 2622
2616=cut 2623=cut
2617 2624
2618our $GOTOGEN; 2625our $GOTOGEN;
2619 2626
2766 $self->contr->savebed ($map, $x, $y) 2773 $self->contr->savebed ($map, $x, $y)
2767 if $exit->flag (cf::FLAG_DAMNED); 2774 if $exit->flag (cf::FLAG_DAMNED);
2768 2775
2769 1 2776 1
2770 }) { 2777 }) {
2771 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the deliantra server. "
2772 . "I'll try to bring you back to the map you were before. " 2779 . "I'll try to bring you back to the map you were before. "
2773 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
2774 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
2775 2782
2776 warn "ERROR in enter_exit: $@"; 2783 warn "ERROR in enter_exit: $@";
2793sub cf::client::send_drawinfo { 2800sub cf::client::send_drawinfo {
2794 my ($self, $text, $flags) = @_; 2801 my ($self, $text, $flags) = @_;
2795 2802
2796 utf8::encode $text; 2803 utf8::encode $text;
2797 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2804 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2805}
2806
2807=item $client->send_big_packet ($pkt)
2808
2809Like C<send_packet>, but tries to compress large packets, and fragments
2810them as required.
2811
2812=cut
2813
2814our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2815
2816sub cf::client::send_big_packet {
2817 my ($self, $pkt) = @_;
2818
2819 # try lzf for large packets
2820 $pkt = "lzf " . Compress::LZF::compress $pkt
2821 if 1024 <= length $pkt and $self->{can_lzf};
2822
2823 # split very large packets
2824 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2825 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2826 $pkt = "frag";
2827 }
2828
2829 $self->send_packet ($pkt);
2798} 2830}
2799 2831
2800=item $client->send_msg ($channel, $msg, $color, [extra...]) 2832=item $client->send_msg ($channel, $msg, $color, [extra...])
2801 2833
2802Send a drawinfo or msg packet to the client, formatting the msg for the 2834Send a drawinfo or msg packet to the client, formatting the msg for the
2806 2838
2807=cut 2839=cut
2808 2840
2809# non-persistent channels (usually the info channel) 2841# non-persistent channels (usually the info channel)
2810our %CHANNEL = ( 2842our %CHANNEL = (
2843 "c/motd" => {
2844 id => "infobox",
2845 title => "MOTD",
2846 reply => undef,
2847 tooltip => "The message of the day",
2848 },
2811 "c/identify" => { 2849 "c/identify" => {
2812 id => "infobox", 2850 id => "infobox",
2813 title => "Identify", 2851 title => "Identify",
2814 reply => undef, 2852 reply => undef,
2815 tooltip => "Items recently identified", 2853 tooltip => "Items recently identified",
2817 "c/examine" => { 2855 "c/examine" => {
2818 id => "infobox", 2856 id => "infobox",
2819 title => "Examine", 2857 title => "Examine",
2820 reply => undef, 2858 reply => undef,
2821 tooltip => "Signs and other items you examined", 2859 tooltip => "Signs and other items you examined",
2860 },
2861 "c/shopinfo" => {
2862 id => "infobox",
2863 title => "Shop Info",
2864 reply => undef,
2865 tooltip => "What your bargaining skill tells you about the shop",
2822 }, 2866 },
2823 "c/book" => { 2867 "c/book" => {
2824 id => "infobox", 2868 id => "infobox",
2825 title => "Book", 2869 title => "Book",
2826 reply => undef, 2870 reply => undef,
2842 id => "infobox", 2886 id => "infobox",
2843 title => "Body Parts", 2887 title => "Body Parts",
2844 reply => undef, 2888 reply => undef,
2845 tooltip => "Shows which body parts you posess and are available", 2889 tooltip => "Shows which body parts you posess and are available",
2846 }, 2890 },
2891 "c/statistics" => {
2892 id => "infobox",
2893 title => "Statistics",
2894 reply => undef,
2895 tooltip => "Shows your primary statistics",
2896 },
2897 "c/skills" => {
2898 id => "infobox",
2899 title => "Skills",
2900 reply => undef,
2901 tooltip => "Shows your experience per skill and item power",
2902 },
2903 "c/shopitems" => {
2904 id => "infobox",
2905 title => "Shop Items",
2906 reply => undef,
2907 tooltip => "Shows the items currently for sale in this shop",
2908 },
2909 "c/resistances" => {
2910 id => "infobox",
2911 title => "Resistances",
2912 reply => undef,
2913 tooltip => "Shows your resistances",
2914 },
2915 "c/pets" => {
2916 id => "infobox",
2917 title => "Pets",
2918 reply => undef,
2919 tooltip => "Shows information abotu your pets/a specific pet",
2920 },
2921 "c/perceiveself" => {
2922 id => "infobox",
2923 title => "Perceive Self",
2924 reply => undef,
2925 tooltip => "You gained detailed knowledge about yourself",
2926 },
2847 "c/uptime" => { 2927 "c/uptime" => {
2848 id => "infobox", 2928 id => "infobox",
2849 title => "Uptime", 2929 title => "Uptime",
2850 reply => undef, 2930 reply => undef,
2851 tooltip => "How long the server has been running since last restart", 2931 tooltip => "How long the server has been running since last restart",
2860 id => "party", 2940 id => "party",
2861 title => "Party", 2941 title => "Party",
2862 reply => "gsay ", 2942 reply => "gsay ",
2863 tooltip => "Messages and chat related to your party", 2943 tooltip => "Messages and chat related to your party",
2864 }, 2944 },
2945 "c/death" => {
2946 id => "death",
2947 title => "Death",
2948 reply => undef,
2949 tooltip => "Reason for and more info about your most recent death",
2950 },
2951 "c/say" => $SAY_CHANNEL,
2952 "c/chat" => $CHAT_CHANNEL,
2865); 2953);
2866 2954
2867sub cf::client::send_msg { 2955sub cf::client::send_msg {
2868 my ($self, $channel, $msg, $color, @extra) = @_; 2956 my ($self, $channel, $msg, $color, @extra) = @_;
2869 2957
2870 $msg = $self->pl->expand_cfpod ($msg); 2958 $msg = $self->pl->expand_cfpod ($msg)
2959 unless $color & cf::NDI_VERBATIM;
2871 2960
2872 $color &= cf::NDI_CLIENT_MASK; # just in case... 2961 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873 2962
2874 # check predefined channels, for the benefit of C 2963 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) { 2964 if ($CHANNEL{$channel}) {
2876 $channel = $CHANNEL{$channel}; 2965 $channel = $CHANNEL{$channel};
2877 2966
2878 $self->ext_msg (channel_info => $channel) 2967 $self->ext_msg (channel_info => $channel);
2879 if $self->can_msg;
2880
2881 $channel = $channel->{id}; 2968 $channel = $channel->{id};
2882 2969
2883 } elsif (ref $channel) { 2970 } elsif (ref $channel) {
2884 # send meta info to client, if not yet sent 2971 # send meta info to client, if not yet sent
2885 unless (exists $self->{channel}{$channel->{id}}) { 2972 unless (exists $self->{channel}{$channel->{id}}) {
2886 $self->{channel}{$channel->{id}} = $channel; 2973 $self->{channel}{$channel->{id}} = $channel;
2887 $self->ext_msg (channel_info => $channel) 2974 $self->ext_msg (channel_info => $channel);
2888 if $self->can_msg;
2889 } 2975 }
2890 2976
2891 $channel = $channel->{id}; 2977 $channel = $channel->{id};
2892 } 2978 }
2893 2979
2894 return unless @extra || length $msg; 2980 return unless @extra || length $msg;
2895 2981
2896 if ($self->can_msg) {
2897 # default colour, mask it out 2982 # default colour, mask it out
2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2983 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899 if $color & cf::NDI_DEF; 2984 if $color & cf::NDI_DEF;
2900 2985
2901 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2986 my $pkt = "msg "
2987 . $self->{json_coder}->encode (
2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2988 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903 } else { 2989 );
2904 if ($color >= 0) {
2905 # replace some tags by gcfclient-compatible ones
2906 for ($msg) {
2907 1 while
2908 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913 }
2914 2990
2915 $color &= cf::NDI_COLOR_MASK; 2991 $self->send_big_packet ($pkt);
2916
2917 utf8::encode $msg;
2918
2919 if (0 && $msg =~ /\[/) {
2920 # COMMAND/INFO
2921 $self->send_packet ("drawextinfo $color 10 8 $msg")
2922 } else {
2923 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2924 $self->send_packet ("drawinfo $color $msg")
2925 }
2926 }
2927 }
2928} 2992}
2929 2993
2930=item $client->ext_msg ($type, @msg) 2994=item $client->ext_msg ($type, @msg)
2931 2995
2932Sends an ext event to the client. 2996Sends an ext event to the client.
2935 2999
2936sub cf::client::ext_msg($$@) { 3000sub cf::client::ext_msg($$@) {
2937 my ($self, $type, @msg) = @_; 3001 my ($self, $type, @msg) = @_;
2938 3002
2939 if ($self->extcmd == 2) { 3003 if ($self->extcmd == 2) {
2940 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3004 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2941 } elsif ($self->extcmd == 1) { # TODO: remove 3005 } elsif ($self->extcmd == 1) { # TODO: remove
2942 push @msg, msgtype => "event_$type"; 3006 push @msg, msgtype => "event_$type";
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3007 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2944 } 3008 }
2945} 3009}
2946 3010
2947=item $client->ext_reply ($msgid, @msg) 3011=item $client->ext_reply ($msgid, @msg)
2948 3012
2952 3016
2953sub cf::client::ext_reply($$@) { 3017sub cf::client::ext_reply($$@) {
2954 my ($self, $id, @msg) = @_; 3018 my ($self, $id, @msg) = @_;
2955 3019
2956 if ($self->extcmd == 2) { 3020 if ($self->extcmd == 2) {
2957 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 3021 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2958 } elsif ($self->extcmd == 1) { 3022 } elsif ($self->extcmd == 1) {
2959 #TODO: version 1, remove 3023 #TODO: version 1, remove
2960 unshift @msg, msgtype => "reply", msgid => $id; 3024 unshift @msg, msgtype => "reply", msgid => $id;
2961 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3025 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2962 } 3026 }
2963} 3027}
2964 3028
2965=item $success = $client->query ($flags, "text", \&cb) 3029=item $success = $client->query ($flags, "text", \&cb)
2966 3030
3093our $safe_hole = new Safe::Hole; 3157our $safe_hole = new Safe::Hole;
3094 3158
3095$SIG{FPE} = 'IGNORE'; 3159$SIG{FPE} = 'IGNORE';
3096 3160
3097$safe->permit_only (Opcode::opset qw( 3161$safe->permit_only (Opcode::opset qw(
3098 :base_core :base_mem :base_orig :base_math 3162 :base_core :base_mem :base_orig :base_math :base_loop
3099 grepstart grepwhile mapstart mapwhile 3163 grepstart grepwhile mapstart mapwhile
3100 sort time 3164 sort time
3101)); 3165));
3102 3166
3103# here we export the classes and methods available to script code 3167# here we export the classes and methods available to script code
3107The following functions and methods are available within a safe environment: 3171The following functions and methods are available within a safe environment:
3108 3172
3109 cf::object 3173 cf::object
3110 contr pay_amount pay_player map x y force_find force_add destroy 3174 contr pay_amount pay_player map x y force_find force_add destroy
3111 insert remove name archname title slaying race decrease split 3175 insert remove name archname title slaying race decrease split
3176 value
3112 3177
3113 cf::object::player 3178 cf::object::player
3114 player 3179 player
3115 3180
3116 cf::player 3181 cf::player
3122=cut 3187=cut
3123 3188
3124for ( 3189for (
3125 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3190 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126 insert remove inv nrof name archname title slaying race 3191 insert remove inv nrof name archname title slaying race
3127 decrease split destroy)], 3192 decrease split destroy change_exp value msg lore send_msg)],
3128 ["cf::object::player" => qw(player)], 3193 ["cf::object::player" => qw(player)],
3129 ["cf::player" => qw(peaceful)], 3194 ["cf::player" => qw(peaceful send_msg)],
3130 ["cf::map" => qw(trigger)], 3195 ["cf::map" => qw(trigger)],
3131) { 3196) {
3132 no strict 'refs'; 3197 no strict 'refs';
3133 my ($pkg, @funs) = @$_; 3198 my ($pkg, @funs) = @$_;
3134 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3199 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3152 3217
3153 my $qcode = $code; 3218 my $qcode = $code;
3154 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3219 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3155 $qcode =~ s/\n/\\n/g; 3220 $qcode =~ s/\n/\\n/g;
3156 3221
3222 %vars = (_dummy => 0) unless %vars;
3223
3224 my @res;
3157 local $_; 3225 local $_;
3158 local @safe::cf::_safe_eval_args = values %vars;
3159 3226
3160 my $eval = 3227 my $eval =
3161 "do {\n" 3228 "do {\n"
3162 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3229 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3163 . "#line 0 \"{$qcode}\"\n" 3230 . "#line 0 \"{$qcode}\"\n"
3164 . $code 3231 . $code
3165 . "\n}" 3232 . "\n}"
3166 ; 3233 ;
3167 3234
3235 if ($CFG{safe_eval}) {
3168 sub_generation_inc; 3236 sub_generation_inc;
3237 local @safe::cf::_safe_eval_args = values %vars;
3169 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3238 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3170 sub_generation_inc; 3239 sub_generation_inc;
3240 } else {
3241 local @cf::_safe_eval_args = values %vars;
3242 @res = wantarray ? eval eval : scalar eval $eval;
3243 }
3171 3244
3172 if ($@) { 3245 if ($@) {
3173 warn "$@"; 3246 warn "$@";
3174 warn "while executing safe code '$code'\n"; 3247 warn "while executing safe code '$code'\n";
3175 warn "with arguments " . (join " ", %vars) . "\n"; 3248 warn "with arguments " . (join " ", %vars) . "\n";
3194=cut 3267=cut
3195 3268
3196sub register_script_function { 3269sub register_script_function {
3197 my ($fun, $cb) = @_; 3270 my ($fun, $cb) = @_;
3198 3271
3199 no strict 'refs'; 3272 $fun = "safe::$fun" if $CFG{safe_eval};
3200 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3273 *$fun = $safe_hole->wrap ($cb);
3201} 3274}
3202 3275
3203=back 3276=back
3204 3277
3205=cut 3278=cut
3226 3299
3227 $facedata->{version} == 2 3300 $facedata->{version} == 2
3228 or cf::cleanup "$path: version mismatch, cannot proceed."; 3301 or cf::cleanup "$path: version mismatch, cannot proceed.";
3229 3302
3230 # patch in the exptable 3303 # patch in the exptable
3304 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3231 $facedata->{resource}{"res/exp_table"} = { 3305 $facedata->{resource}{"res/exp_table"} = {
3232 type => FT_RSRC, 3306 type => FT_RSRC,
3233 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]), 3307 data => $exp_table,
3308 hash => (Digest::MD5::md5 $exp_table),
3234 }; 3309 };
3235 cf::cede_to_tick; 3310 cf::cede_to_tick;
3236 3311
3237 { 3312 {
3238 my $faces = $facedata->{faceinfo}; 3313 my $faces = $facedata->{faceinfo};
3240 while (my ($face, $info) = each %$faces) { 3315 while (my ($face, $info) = each %$faces) {
3241 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3316 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3242 3317
3243 cf::face::set_visibility $idx, $info->{visibility}; 3318 cf::face::set_visibility $idx, $info->{visibility};
3244 cf::face::set_magicmap $idx, $info->{magicmap}; 3319 cf::face::set_magicmap $idx, $info->{magicmap};
3245 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3320 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3246 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3321 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3247 3322
3248 cf::cede_to_tick; 3323 cf::cede_to_tick;
3249 } 3324 }
3250 3325
3251 while (my ($face, $info) = each %$faces) { 3326 while (my ($face, $info) = each %$faces) {
3275 3350
3276 cf::anim::invalidate_all; # d'oh 3351 cf::anim::invalidate_all; # d'oh
3277 } 3352 }
3278 3353
3279 { 3354 {
3280 # TODO: for gcfclient pleasure, we should give resources
3281 # that gcfclient doesn't grok a >10000 face index.
3282 my $res = $facedata->{resource}; 3355 my $res = $facedata->{resource};
3283 3356
3284 while (my ($name, $info) = each %$res) { 3357 while (my ($name, $info) = each %$res) {
3285 if (defined $info->{type}) { 3358 if (defined $info->{type}) {
3286 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3359 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3287 my $data;
3288 3360
3289 if ($info->{type} & 1) { 3361 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3290 # prepend meta info
3291
3292 my $meta = $enc->encode ({
3293 name => $name,
3294 %{ $info->{meta} || {} },
3295 });
3296
3297 $data = pack "(w/a*)*", $meta, $info->{data};
3298 } else {
3299 $data = $info->{data};
3300 }
3301
3302 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3303 cf::face::set_type $idx, $info->{type}; 3362 cf::face::set_type $idx, $info->{type};
3304 } else { 3363 } else {
3305 $RESOURCE{$name} = $info; 3364 $RESOURCE{$name} = $info;
3306 } 3365 }
3307 3366
3390 reload_treasures; 3449 reload_treasures;
3391 3450
3392 warn "finished reloading resource files\n"; 3451 warn "finished reloading resource files\n";
3393} 3452}
3394 3453
3395sub init {
3396 my $guard = freeze_mainloop;
3397
3398 reload_resources;
3399}
3400
3401sub reload_config { 3454sub reload_config {
3455 warn "reloading config file...\n";
3456
3402 open my $fh, "<:utf8", "$CONFDIR/config" 3457 open my $fh, "<:utf8", "$CONFDIR/config"
3403 or return; 3458 or return;
3404 3459
3405 local $/; 3460 local $/;
3406 *CFG = YAML::Load <$fh>; 3461 *CFG = YAML::XS::Load scalar <$fh>;
3407 3462
3408 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3463 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3409 3464
3410 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3465 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3411 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3466 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3415 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3470 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3416 and die "WARNING: m(un)lockall failed: $!\n"; 3471 and die "WARNING: m(un)lockall failed: $!\n";
3417 }; 3472 };
3418 warn $@ if $@; 3473 warn $@ if $@;
3419 } 3474 }
3475
3476 warn "finished reloading resource files\n";
3477}
3478
3479sub pidfile() {
3480 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3481 or die "$PIDFILE: $!";
3482 flock $fh, &Fcntl::LOCK_EX
3483 or die "$PIDFILE: flock: $!";
3484 $fh
3485}
3486
3487# make sure only one server instance is running at any one time
3488sub atomic {
3489 my $fh = pidfile;
3490
3491 my $pid = <$fh>;
3492 kill 9, $pid if $pid > 0;
3493
3494 seek $fh, 0, 0;
3495 print $fh $$;
3496}
3497
3498sub main_loop {
3499 warn "EV::loop starting\n";
3500 if (1) {
3501 EV::loop;
3502 }
3503 warn "EV::loop returned\n";
3504 goto &main_loop unless $REALLY_UNLOOP;
3420} 3505}
3421 3506
3422sub main { 3507sub main {
3508 cf::init_globals; # initialise logging
3509
3510 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3511 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3512 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3513 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3514
3515 cf::init_experience;
3516 cf::init_anim;
3517 cf::init_attackmess;
3518 cf::init_dynamic;
3519
3520 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3521
3423 # we must not ever block the main coroutine 3522 # we must not ever block the main coroutine
3424 local $Coro::idle = sub { 3523 local $Coro::idle = sub {
3425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3524 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426 (async { 3525 (async {
3427 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3526 $Coro::current->{desc} = "IDLE BUG HANDLER";
3428 EV::loop EV::LOOP_ONESHOT; 3527 EV::loop EV::LOOP_ONESHOT;
3429 })->prio (Coro::PRIO_MAX); 3528 })->prio (Coro::PRIO_MAX);
3430 }; 3529 };
3431 3530
3432 { 3531 evthread_start IO::AIO::poll_fileno;
3433 my $guard = freeze_mainloop; 3532
3533 cf::sync_job {
3534 cf::load_settings;
3535 cf::load_materials;
3536
3537 reload_resources;
3434 reload_config; 3538 reload_config;
3435 db_init; 3539 db_init;
3540
3541 cf::init_uuid;
3542 cf::init_signals;
3543 cf::init_commands;
3544 cf::init_skills;
3545
3546 cf::init_beforeplay;
3547
3548 atomic;
3549
3436 load_extensions; 3550 load_extensions;
3437 3551
3438 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3552 utime time, time, $RUNTIMEFILE;
3439 evthread_start IO::AIO::poll_fileno; 3553
3554 # no (long-running) fork's whatsoever before this point(!)
3555 use POSIX ();
3556 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3557
3558 (pop @POST_INIT)->(0) while @POST_INIT;
3440 } 3559 };
3441 3560
3442 EV::loop; 3561 main_loop;
3443} 3562}
3444 3563
3445############################################################################# 3564#############################################################################
3446# initialisation and cleanup 3565# initialisation and cleanup
3447 3566
3454 }; 3573 };
3455 } 3574 }
3456} 3575}
3457 3576
3458sub write_runtime_sync { 3577sub write_runtime_sync {
3459 my $runtime = "$LOCALDIR/runtime";
3460
3461 # first touch the runtime file to show we are still running: 3578 # first touch the runtime file to show we are still running:
3462 # the fsync below can take a very very long time. 3579 # the fsync below can take a very very long time.
3463 3580
3464 IO::AIO::aio_utime $runtime, undef, undef; 3581 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465 3582
3466 my $guard = cf::lock_acquire "write_runtime"; 3583 my $guard = cf::lock_acquire "write_runtime";
3467 3584
3468 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3585 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3469 or return; 3586 or return;
3470 3587
3471 my $value = $cf::RUNTIME + 90 + 10; 3588 my $value = $cf::RUNTIME + 90 + 10;
3472 # 10 is the runtime save interval, for a monotonic clock 3589 # 10 is the runtime save interval, for a monotonic clock
3473 # 60 allows for the watchdog to kill the server. 3590 # 60 allows for the watchdog to kill the server.
3483 aio_utime $fh, undef, undef; 3600 aio_utime $fh, undef, undef;
3484 3601
3485 close $fh 3602 close $fh
3486 or return; 3603 or return;
3487 3604
3488 aio_rename "$runtime~", $runtime 3605 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489 and return; 3606 and return;
3490 3607
3491 warn "runtime file written.\n"; 3608 warn "runtime file written.\n";
3492 3609
3493 1 3610 1
3505 my $uuid = "$LOCALDIR/uuid"; 3622 my $uuid = "$LOCALDIR/uuid";
3506 3623
3507 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3624 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508 or return; 3625 or return;
3509 3626
3510 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3627 my $value = uuid_seq uuid_cur;
3628
3629 unless ($value) {
3630 warn "cowardly refusing to write zero uuid value!\n";
3631 return;
3632 }
3633
3634 my $value = uuid_str $value + $uuid_skip;
3511 $uuid_skip = 0; 3635 $uuid_skip = 0;
3512 3636
3513 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3637 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3514 and return; 3638 and return;
3515 3639
3537} 3661}
3538 3662
3539sub emergency_save() { 3663sub emergency_save() {
3540 my $freeze_guard = cf::freeze_mainloop; 3664 my $freeze_guard = cf::freeze_mainloop;
3541 3665
3542 warn "enter emergency perl save\n"; 3666 warn "emergency_perl_save: enter\n";
3543 3667
3544 cf::sync_job { 3668 cf::sync_job {
3669 # this is a trade-off: we want to be very quick here, so
3670 # save all maps without fsync, and later call a global sync
3671 # (which in turn might be very very slow)
3672 local $USE_FSYNC = 0;
3673
3545 # use a peculiar iteration method to avoid tripping on perl 3674 # use a peculiar iteration method to avoid tripping on perl
3546 # refcount bugs in for. also avoids problems with players 3675 # refcount bugs in for. also avoids problems with players
3547 # and maps saved/destroyed asynchronously. 3676 # and maps saved/destroyed asynchronously.
3548 warn "begin emergency player save\n"; 3677 warn "emergency_perl_save: begin player save\n";
3549 for my $login (keys %cf::PLAYER) { 3678 for my $login (keys %cf::PLAYER) {
3550 my $pl = $cf::PLAYER{$login} or next; 3679 my $pl = $cf::PLAYER{$login} or next;
3551 $pl->valid or next; 3680 $pl->valid or next;
3552 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3681 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553 $pl->save; 3682 $pl->save;
3554 } 3683 }
3555 warn "end emergency player save\n"; 3684 warn "emergency_perl_save: end player save\n";
3556 3685
3557 warn "begin emergency map save\n"; 3686 warn "emergency_perl_save: begin map save\n";
3558 for my $path (keys %cf::MAP) { 3687 for my $path (keys %cf::MAP) {
3559 my $map = $cf::MAP{$path} or next; 3688 my $map = $cf::MAP{$path} or next;
3560 $map->valid or next; 3689 $map->valid or next;
3561 $map->save; 3690 $map->save;
3562 } 3691 }
3563 warn "end emergency map save\n"; 3692 warn "emergency_perl_save: end map save\n";
3564 3693
3565 warn "begin emergency database checkpoint\n"; 3694 warn "emergency_perl_save: begin database checkpoint\n";
3566 BDB::db_env_txn_checkpoint $DB_ENV; 3695 BDB::db_env_txn_checkpoint $DB_ENV;
3567 warn "end emergency database checkpoint\n"; 3696 warn "emergency_perl_save: end database checkpoint\n";
3568 3697
3569 warn "begin write uuid\n"; 3698 warn "emergency_perl_save: begin write uuid\n";
3570 write_uuid_sync 1; 3699 write_uuid_sync 1;
3571 warn "end write uuid\n"; 3700 warn "emergency_perl_save: end write uuid\n";
3572 }; 3701 };
3573 3702
3703 warn "emergency_perl_save: starting sync()\n";
3704 IO::AIO::aio_sync sub {
3705 warn "emergency_perl_save: finished sync()\n";
3706 };
3707
3574 warn "leave emergency perl save\n"; 3708 warn "emergency_perl_save: leave\n";
3575} 3709}
3576 3710
3577sub post_cleanup { 3711sub post_cleanup {
3578 my ($make_core) = @_; 3712 my ($make_core) = @_;
3579 3713
3580 warn Carp::longmess "post_cleanup backtrace" 3714 warn Carp::longmess "post_cleanup backtrace"
3581 if $make_core; 3715 if $make_core;
3716
3717 my $fh = pidfile;
3718 unlink $PIDFILE if <$fh> == $$;
3719}
3720
3721# a safer delete_package, copied from Symbol
3722sub clear_package($) {
3723 my $pkg = shift;
3724
3725 # expand to full symbol table name if needed
3726 unless ($pkg =~ /^main::.*::$/) {
3727 $pkg = "main$pkg" if $pkg =~ /^::/;
3728 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3729 $pkg .= '::' unless $pkg =~ /::$/;
3730 }
3731
3732 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3733 my $stem_symtab = *{$stem}{HASH};
3734
3735 defined $stem_symtab and exists $stem_symtab->{$leaf}
3736 or return;
3737
3738 # clear all symbols
3739 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3740 for my $name (keys %$leaf_symtab) {
3741 _gv_clear *{"$pkg$name"};
3742# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3743 }
3744 warn "cleared package $pkg\n";#d#
3582} 3745}
3583 3746
3584sub do_reload_perl() { 3747sub do_reload_perl() {
3585 # can/must only be called in main 3748 # can/must only be called in main
3586 if ($Coro::current != $Coro::main) { 3749 if ($Coro::current != $Coro::main) {
3587 warn "can only reload from main coroutine"; 3750 warn "can only reload from main coroutine";
3588 return; 3751 return;
3589 } 3752 }
3590 3753
3754 return if $RELOAD++;
3755
3756 my $t1 = EV::time;
3757
3758 while ($RELOAD) {
3591 warn "reloading..."; 3759 warn "reloading...";
3592 3760
3593 warn "entering sync_job"; 3761 warn "entering sync_job";
3594 3762
3595 cf::sync_job { 3763 cf::sync_job {
3596 cf::write_runtime_sync; # external watchdog should not bark 3764 cf::write_runtime_sync; # external watchdog should not bark
3597 cf::emergency_save; 3765 cf::emergency_save;
3598 cf::write_runtime_sync; # external watchdog should not bark 3766 cf::write_runtime_sync; # external watchdog should not bark
3599 3767
3600 warn "syncing database to disk"; 3768 warn "syncing database to disk";
3601 BDB::db_env_txn_checkpoint $DB_ENV; 3769 BDB::db_env_txn_checkpoint $DB_ENV;
3602 3770
3603 # if anything goes wrong in here, we should simply crash as we already saved 3771 # if anything goes wrong in here, we should simply crash as we already saved
3604 3772
3605 warn "flushing outstanding aio requests"; 3773 warn "flushing outstanding aio requests";
3606 for (;;) {
3607 BDB::flush;
3608 IO::AIO::flush;
3609 Coro::cede_notself;
3610 last unless IO::AIO::nreqs || BDB::nreqs; 3774 while (IO::AIO::nreqs || BDB::nreqs) {
3611 warn "iterate..."; 3775 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3612 }
3613
3614 ++$RELOAD;
3615
3616 warn "cancelling all extension coros";
3617 $_->cancel for values %EXT_CORO;
3618 %EXT_CORO = ();
3619
3620 warn "removing commands";
3621 %COMMAND = ();
3622
3623 warn "removing ext/exti commands";
3624 %EXTCMD = ();
3625 %EXTICMD = ();
3626
3627 warn "unloading/nuking all extensions";
3628 for my $pkg (@EXTS) {
3629 warn "... unloading $pkg";
3630
3631 if (my $cb = $pkg->can ("unload")) {
3632 eval {
3633 $cb->($pkg);
3634 1
3635 } or warn "$pkg unloaded, but with errors: $@";
3636 } 3776 }
3637 3777
3638 warn "... nuking $pkg"; 3778 warn "cancelling all extension coros";
3639 Symbol::delete_package $pkg; 3779 $_->cancel for values %EXT_CORO;
3640 } 3780 %EXT_CORO = ();
3641 3781
3642 warn "unloading all perl modules loaded from $LIBDIR"; 3782 warn "removing commands";
3643 while (my ($k, $v) = each %INC) { 3783 %COMMAND = ();
3644 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645 3784
3785 warn "removing ext/exti commands";
3786 %EXTCMD = ();
3787 %EXTICMD = ();
3788
3789 warn "unloading/nuking all extensions";
3790 for my $pkg (@EXTS) {
3646 warn "... unloading $k"; 3791 warn "... unloading $pkg";
3647 delete $INC{$k};
3648 3792
3649 $k =~ s/\.pm$//;
3650 $k =~ s/\//::/g;
3651
3652 if (my $cb = $k->can ("unload_module")) { 3793 if (my $cb = $pkg->can ("unload")) {
3794 eval {
3653 $cb->(); 3795 $cb->($pkg);
3796 1
3797 } or warn "$pkg unloaded, but with errors: $@";
3798 }
3799
3800 warn "... clearing $pkg";
3801 clear_package $pkg;
3654 } 3802 }
3655 3803
3656 Symbol::delete_package $k; 3804 warn "unloading all perl modules loaded from $LIBDIR";
3805 while (my ($k, $v) = each %INC) {
3806 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3807
3808 warn "... unloading $k";
3809 delete $INC{$k};
3810
3811 $k =~ s/\.pm$//;
3812 $k =~ s/\//::/g;
3813
3814 if (my $cb = $k->can ("unload_module")) {
3815 $cb->();
3816 }
3817
3818 clear_package $k;
3657 } 3819 }
3658 3820
3659 warn "getting rid of safe::, as good as possible"; 3821 warn "getting rid of safe::, as good as possible";
3660 Symbol::delete_package "safe::$_" 3822 clear_package "safe::$_"
3661 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3823 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662 3824
3663 warn "unloading cf.pm \"a bit\""; 3825 warn "unloading cf.pm \"a bit\"";
3664 delete $INC{"cf.pm"}; 3826 delete $INC{"cf.pm"};
3665 delete $INC{"cf/pod.pm"}; 3827 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666 3828
3667 # don't, removes xs symbols, too, 3829 # don't, removes xs symbols, too,
3668 # and global variables created in xs 3830 # and global variables created in xs
3669 #Symbol::delete_package __PACKAGE__; 3831 #clear_package __PACKAGE__;
3670 3832
3671 warn "unload completed, starting to reload now"; 3833 warn "unload completed, starting to reload now";
3672 3834
3673 warn "reloading cf.pm"; 3835 warn "reloading cf.pm";
3674 require cf; 3836 require cf;
3675 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3837 cf::_connect_to_perl_1;
3676 3838
3677 warn "loading config and database again"; 3839 warn "loading config and database again";
3678 cf::reload_config; 3840 cf::reload_config;
3679 3841
3680 warn "loading extensions"; 3842 warn "loading extensions";
3681 cf::load_extensions; 3843 cf::load_extensions;
3682 3844
3845 if ($REATTACH_ON_RELOAD) {
3683 warn "reattaching attachments to objects/players"; 3846 warn "reattaching attachments to objects/players";
3684 _global_reattach; # objects, sockets 3847 _global_reattach; # objects, sockets
3685 warn "reattaching attachments to maps"; 3848 warn "reattaching attachments to maps";
3686 reattach $_ for values %MAP; 3849 reattach $_ for values %MAP;
3687 warn "reattaching attachments to players"; 3850 warn "reattaching attachments to players";
3688 reattach $_ for values %PLAYER; 3851 reattach $_ for values %PLAYER;
3852 }
3689 3853
3854 warn "running post_init jobs";
3855 (pop @POST_INIT)->(1) while @POST_INIT;
3856
3690 warn "leaving sync_job"; 3857 warn "leaving sync_job";
3691 3858
3692 1 3859 1
3693 } or do { 3860 } or do {
3694 warn $@; 3861 warn $@;
3695 cf::cleanup "error while reloading, exiting."; 3862 cf::cleanup "error while reloading, exiting.";
3696 }; 3863 };
3697 3864
3698 warn "reloaded"; 3865 warn "reloaded";
3866 --$RELOAD;
3867 }
3868
3869 $t1 = EV::time - $t1;
3870 warn "reload completed in ${t1}s\n";
3699}; 3871};
3700 3872
3701our $RELOAD_WATCHER; # used only during reload 3873our $RELOAD_WATCHER; # used only during reload
3702 3874
3703sub reload_perl() { 3875sub reload_perl() {
3704 # doing reload synchronously and two reloads happen back-to-back, 3876 # doing reload synchronously and two reloads happen back-to-back,
3705 # coro crashes during coro_state_free->destroy here. 3877 # coro crashes during coro_state_free->destroy here.
3706 3878
3879 $RELOAD_WATCHER ||= cf::async {
3880 Coro::AIO::aio_wait cache_extensions;
3881
3707 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3882 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3708 do_reload_perl; 3883 do_reload_perl;
3709 undef $RELOAD_WATCHER; 3884 undef $RELOAD_WATCHER;
3885 };
3710 }; 3886 };
3711} 3887}
3712 3888
3713register_command "reload" => sub { 3889register_command "reload" => sub {
3714 my ($who, $arg) = @_; 3890 my ($who, $arg) = @_;
3728 3904
3729our @WAIT_FOR_TICK; 3905our @WAIT_FOR_TICK;
3730our @WAIT_FOR_TICK_BEGIN; 3906our @WAIT_FOR_TICK_BEGIN;
3731 3907
3732sub wait_for_tick { 3908sub wait_for_tick {
3733 return if tick_inhibit || $Coro::current == $Coro::main; 3909 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3734 3910
3735 my $signal = new Coro::Signal; 3911 my $signal = new Coro::Signal;
3736 push @WAIT_FOR_TICK, $signal; 3912 push @WAIT_FOR_TICK, $signal;
3737 $signal->wait; 3913 $signal->wait;
3738} 3914}
3739 3915
3740sub wait_for_tick_begin { 3916sub wait_for_tick_begin {
3741 return if tick_inhibit || $Coro::current == $Coro::main; 3917 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3742 3918
3743 my $signal = new Coro::Signal; 3919 my $signal = new Coro::Signal;
3744 push @WAIT_FOR_TICK_BEGIN, $signal; 3920 push @WAIT_FOR_TICK_BEGIN, $signal;
3745 $signal->wait; 3921 $signal->wait;
3746} 3922}
3751 unless ++$bug_warning > 10; 3927 unless ++$bug_warning > 10;
3752 return; 3928 return;
3753 } 3929 }
3754 3930
3755 cf::server_tick; # one server iteration 3931 cf::server_tick; # one server iteration
3932
3933 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3756 3934
3757 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3935 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3758 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 3936 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3759 Coro::async_pool { 3937 Coro::async_pool {
3760 $Coro::current->{desc} = "runtime saver"; 3938 $Coro::current->{desc} = "runtime saver";
3783} 3961}
3784 3962
3785{ 3963{
3786 # configure BDB 3964 # configure BDB
3787 3965
3788 BDB::min_parallel 8; 3966 BDB::min_parallel 16;
3789 BDB::max_poll_reqs $TICK * 0.1; 3967 BDB::max_poll_reqs $TICK * 0.1;
3790 $Coro::BDB::WATCHER->priority (1); 3968 $AnyEvent::BDB::WATCHER->priority (1);
3791 3969
3792 unless ($DB_ENV) { 3970 unless ($DB_ENV) {
3793 $DB_ENV = BDB::db_env_create; 3971 $DB_ENV = BDB::db_env_create;
3794 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3972 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795 | BDB::LOG_AUTOREMOVE, 1); 3973 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3974 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3975 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3976 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798 3977
3799 cf::sync_job { 3978 cf::sync_job {
3800 eval { 3979 eval {
3826{ 4005{
3827 # configure IO::AIO 4006 # configure IO::AIO
3828 4007
3829 IO::AIO::min_parallel 8; 4008 IO::AIO::min_parallel 8;
3830 IO::AIO::max_poll_time $TICK * 0.1; 4009 IO::AIO::max_poll_time $TICK * 0.1;
3831 $Coro::AIO::WATCHER->priority (1); 4010 undef $AnyEvent::AIO::WATCHER;
3832} 4011}
3833 4012
3834my $_log_backtrace; 4013my $_log_backtrace;
3835 4014
3836sub _log_backtrace { 4015sub _log_backtrace {
3839 $msg =~ s/\n//; 4018 $msg =~ s/\n//;
3840 4019
3841 # limit the # of concurrent backtraces 4020 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) { 4021 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace; 4022 ++$_log_backtrace;
4023 my $perl_bt = Carp::longmess $msg;
3844 async { 4024 async {
3845 $Coro::current->{desc} = "abt $msg"; 4025 $Coro::current->{desc} = "abt $msg";
3846 4026
3847 my @bt = fork_call { 4027 my @bt = fork_call {
3848 @addr = map { sprintf "%x", $_ } @addr; 4028 @addr = map { sprintf "%x", $_ } @addr;
3859 } 4039 }
3860 4040
3861 @funcs 4041 @funcs
3862 }; 4042 };
3863 4043
3864 LOG llevInfo, "[ABT] $msg\n"; 4044 LOG llevInfo, "[ABT] $perl_bt\n";
4045 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865 LOG llevInfo, "[ABT] $_\n" for @bt; 4046 LOG llevInfo, "[ABT] $_\n" for @bt;
3866 --$_log_backtrace; 4047 --$_log_backtrace;
3867 }; 4048 };
3868 } else { 4049 } else {
3869 LOG llevInfo, "[ABT] $msg\n"; 4050 LOG llevInfo, "[ABT] $msg\n";
3870 LOG llevInfo, "[ABT] [suppressed]\n"; 4051 LOG llevInfo, "[ABT] [suppressed]\n";
3871 } 4052 }
3872} 4053}
3873 4054
3874# load additional modules 4055# load additional modules
3875use cf::pod; 4056require "cf/$_.pm" for @EXTRA_MODULES;
4057cf::_connect_to_perl_2;
3876 4058
3877END { cf::emergency_save } 4059END { cf::emergency_save }
3878 4060
38791 40611
3880 4062

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