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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
9use Event; 31use EV;
10use Opcode; 32use Opcode;
11use Safe; 33use Safe;
12use Safe::Hole; 34use Safe::Hole;
35use Storable ();
13 36
14use Coro 3.52 (); 37use Coro ();
15use Coro::State; 38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
16use Coro::Event; 41use Coro::AnyEvent;
17use Coro::Timer; 42use Coro::Timer;
18use Coro::Signal; 43use Coro::Signal;
19use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
20use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
21 50
51use JSON::XS 2.01 ();
22use BDB (); 52use BDB ();
23use Data::Dumper; 53use Data::Dumper;
24use Digest::MD5; 54use Digest::MD5;
25use Fcntl; 55use Fcntl;
26use YAML::Syck (); 56use YAML ();
27use IO::AIO 2.32 (); 57use IO::AIO ();
28use Time::HiRes; 58use Time::HiRes;
29use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
30 63
31# configure various modules to our taste 64# configure various modules to our taste
32# 65#
66$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 69
36$Event::Eval = 1; # no idea why this is required, but it is
37
38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39$YAML::Syck::ImplicitUnicode = 1;
40
41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42 71
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44 73
45our %COMMAND = (); 74our %COMMAND = ();
46our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
47 76
48our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
52 82
53our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
54our @EVENT; 84our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 85
57our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
58our $TICK_WATCHER; 87our $DATADIR = datadir;
59our $AIO_POLL_WATCHER; 88our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
98
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 101our $NEXT_TICK;
62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
64 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
65our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 107our $DB_ENV;
67 108
68our %CFG; 109our %CFG;
69 110
70our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 112our $RUNTIME;
113our $NOW;
72 114
73our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 118
82# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
126
85binmode STDOUT; 127binmode STDOUT;
86binmode STDERR; 128binmode STDERR;
87 129
88# read virtual server time, if available 130# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
93} 135}
94 136
95mkdir cf::localdir; 137mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 139
102our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
103 141
104sub cf::map::normalise; 142sub cf::map::normalise;
105 143
116=item $cf::RUNTIME 154=item $cf::RUNTIME
117 155
118The time this server has run, starts at 0 and is increased by $cf::TICK on 156The time this server has run, starts at 0 and is increased by $cf::TICK on
119every server tick. 157every server tick.
120 158
121=item $cf::LIBDIR 159=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122 162
123The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
124be found. It will be added to C<@INC> automatically. 164directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165unique-items directory, player file directory, random maps directory and
166database environment.
125 167
126=item $cf::NOW 168=item $cf::NOW
127 169
128The time of the last (current) server tick. 170The time of the last (current) server tick.
129 171
130=item $cf::TICK 172=item $cf::TICK
131 173
132The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
133 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
134=item %cf::CFG 186=item %cf::CFG
135 187
136Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137from wherever your confdir points to. 189from wherever your confdir points to.
138 190
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
140 192
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 194returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 196
197=item @cf::INVOKE_RESULTS
198
199This 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
201that call.
145 202
146=back 203=back
147 204
148=cut 205=cut
149 206
150BEGIN { 207BEGIN {
151 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 209 my $msg = join "", @_;
153 utf8::encode $msg;
154 210
155 $msg .= "\n" 211 $msg .= "\n"
156 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
157 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
158 LOG llevError, $msg; 216 LOG llevError, $msg;
159 }; 217 };
160} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
161 234
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168 242
169# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
170# within the Safe compartment. 244# within the Safe compartment.
171for my $pkg (qw( 245for my $pkg (qw(
172 cf::global cf::attachable 246 cf::global cf::attachable
173 cf::object cf::object::player 247 cf::object cf::object::player
174 cf::client cf::player 248 cf::client cf::player
175 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
176 cf::map cf::party cf::region 251 cf::party cf::region
177)) { 252)) {
178 no strict 'refs';
179 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180} 254}
181 255
182$Event::DIED = sub { 256$EV::DIED = sub {
183 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
184}; 258};
259
260#############################################################################
185 261
186=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
187 263
188=over 4 264=over 4
189 265
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d 285 $d
210 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
211} 287}
212 288
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
216 290
217Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
218 292
219=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
220 294
221Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
296
297=cut
298
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300
301sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) }
222 303
223=item cf::lock_wait $string 304=item cf::lock_wait $string
224 305
225Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
226 307
229Wait until the given lock is available and then acquires it and returns 310Wait until the given lock is available and then acquires it and returns
230a Coro::guard object. If the guard object gets destroyed (goes out of scope, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
232returned. 313returned.
233 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
234Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
235uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
236 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
237=cut 325=cut
238 326
239our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
240 329
241sub lock_wait($) { 330sub lock_wait($) {
242 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
243 337
244 # wait for lock, if any 338 # wait for lock, if any
245 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 341 Coro::schedule;
253 347
254 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
255 lock_wait $key; 349 lock_wait $key;
256 350
257 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
258 353
259 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
262 } 358 }
263} 359}
264 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
265sub freeze_mainloop { 367sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
267 369
268 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
269 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
270 }; 431 }
271 $TICK_WATCHER->stop; 432};
272 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
273} 446}
274 447
275=item cf::async { BLOCK } 448=item cf::async { BLOCK }
276 449
277Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
282 455
283BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
284 457
285=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
286 459
287The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
290 464
291If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
294fast or be very important. 468fast or be very important.
297 471
298sub sync_job(&) { 472sub sync_job(&) {
299 my ($job) = @_; 473 my ($job) = @_;
300 474
301 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
302 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
304 480
305 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 482
307 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
308 484
309 my $busy = 1; 485 my $busy = 1;
310 my @res; 486 my @res;
311 487
312 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 490 @res = eval { $job->() };
314 warn $@ if $@; 491 warn $@ if $@;
315 undef $busy; 492 undef $busy;
316 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
317 494
318 while ($busy) { 495 while ($busy) {
319 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
320 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
321 506
322 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
323 } else { 508 } else {
324 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
325 510
345 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
346 531
347 $coro 532 $coro
348} 533}
349 534
350sub write_runtime { 535=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 536
353 my $runtime = cf::localdir . "/runtime"; 537Executes the given code block with the given arguments in a seperate
538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
354 541
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542=cut
356 or return;
357 543
358 my $value = $cf::RUNTIME + 90 + 10; 544sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 545 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 546
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 547 # we seemingly have to make a local copy of the whole thing,
363 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
364 550
365 # always fsync - this file is important 551 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 552 reset_signals;
367 and return; 553 &$cb
554 }, @args;
368 555
369 close $fh 556 wantarray ? @res : $res[-1]
370 or return; 557}
371 558
372 aio_rename "$runtime~", $runtime 559=item $coin = coin_from_name $name
373 and return;
374 560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
375 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
376} 711}
377 712
378=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
379 714
380Log a datalog packet of the given type with the given key-value pairs. 715Log a datalog packet of the given type with the given key-value pairs.
398attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
400 735
401In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 738Deliantra).
404 739
405=over 4 740=over 4
406 741
407=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
408 743
571 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
572 907
573 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 912
578 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 914 my $pkg = shift @arg;
580 915
581 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
611 } 946 }
612 947
613 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
614 } else { 949 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 951 }
617 952
618 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
619} 954}
620 955
622 if (ref $_[0]) { 957 if (ref $_[0]) {
623 _object_attach @_; 958 _object_attach @_;
624 } else { 959 } else {
625 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
626 } 961 }
962 _recalc_want;
627}; 963};
628 964
629# all those should be optimised 965# all those should be optimised
630sub cf::attachable::detach { 966sub cf::attachable::detach {
631 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
635 reattach ($obj); 971 reattach ($obj);
636 } else { 972 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
638 } 974 }
975 _recalc_want;
639}; 976};
640 977
641sub cf::attachable::attached { 978sub cf::attachable::attached {
642 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
643 980
658 "; 995 ";
659 die if $@; 996 die if $@;
660} 997}
661 998
662our $override; 999our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 1001
665sub override { 1002sub override {
666 $override = 1; 1003 $override = 1;
667 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
668} 1005}
669 1006
670sub do_invoke { 1007sub do_invoke {
671 my $event = shift; 1008 my $event = shift;
672 my $callbacks = shift; 1009 my $callbacks = shift;
673 1010
674 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
675 1012
676 local $override; 1013 local $override;
677 1014
678 for (@$callbacks) { 1015 for (@$callbacks) {
679 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
688 } 1025 }
689 1026
690 0 1027 0
691} 1028}
692 1029
693=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694 1031
695=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696 1033
697Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
698 1035
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 1039
703=back 1040=back
704 1041
705=cut 1042=cut
706 1043
707############################################################################# 1044#############################################################################
708# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
709 1088
710sub reattach { 1089sub reattach {
711 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 1091 my ($obj) = @_;
713 1092
1093 # no longer needed after getting rid of delete_package?
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715 1095
716 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
717 1097
718 @$registry = (); 1098 @$registry = ();
719 1099
734cf::attachable->attach ( 1114cf::attachable->attach (
735 prio => -1000000, 1115 prio => -1000000,
736 on_instantiate => sub { 1116 on_instantiate => sub {
737 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
738 1118
739 $data = from_json $data; 1119 $data = decode_json $data;
740 1120
741 for (@$data) { 1121 for (@$data) {
742 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
743 1123
744 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
760sub object_freezer_save { 1140sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
762 1142
763 sync_job { 1143 sync_job {
764 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
767 1148
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1153 aio_close $fh;
773 1154
774 if (@$objs) { 1155 if (@$objs) {
775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1161 aio_close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
782 } 1163 }
783 } else { 1164 } else {
784 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
785 } 1166 }
790 } 1171 }
791 } else { 1172 } else {
792 aio_unlink $filename; 1173 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
794 } 1175 }
795 } 1176 };
796} 1177}
797 1178
798sub object_freezer_as_string { 1179sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
800 1181
812 or return; 1193 or return;
813 1194
814 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
816 or return; 1197 or return;
1198
817 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
818 } 1201 }
819 1202
1203 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
822 return ($data, $av); 1207 ($data, $av)
823} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
824 1215
825############################################################################# 1216#############################################################################
826# command handling &c 1217# command handling &c
827 1218
828=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1233}
843 1234
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1236
846Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
847 1242
848If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
849called. 1244called.
850 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
851=cut 1257=cut
852 1258
853sub register_extcmd { 1259sub register_extcmd {
854 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
855 1261
856 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
857} 1269}
858 1270
859cf::player->attach ( 1271cf::player->attach (
860 on_command => sub { 1272 on_command => sub {
861 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
870 cf::override; 1282 cf::override;
871 }, 1283 },
872 on_extcmd => sub { 1284 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
874 1286
875 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1288
877 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
883 } else { 1304 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1306 }
886 1307
887 cf::override; 1308 cf::override;
888 }, 1309 },
889); 1310);
890 1311
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
926 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1317 next unless -r $path;
928 eval { 1318
929 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
930 1 1375 }
931 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
932 } 1381 };
933} 1382}
934 1383
935############################################################################# 1384#############################################################################
936 1385
1386=back
1387
937=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
938 1389
939Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
940 1391
941=cut 1392=cut
946 1397
947=head3 cf::player 1398=head3 cf::player
948 1399
949=over 4 1400=over 4
950 1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1415
951=item cf::player::find $login 1416=item cf::player::find $login
952 1417
953Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
954 1419
955=cut 1420=cut
956 1421
957sub playerdir($) { 1422sub playerdir($) {
958 cf::localdir 1423 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1424 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1425}
964 1426
965sub path($) { 1427sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1428 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1429
968 (playerdir $login) . "/$login.pl" 1430 (playerdir $login) . "/playerdata"
969} 1431}
970 1432
971sub find_active($) { 1433sub find_active($) {
972 $cf::PLAYER{$_[0]} 1434 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1435 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1448 my $login = $_[0];
987 1449
988 my $guard = cf::lock_acquire "user_find:$login"; 1450 my $guard = cf::lock_acquire "user_find:$login";
989 1451
990 $cf::PLAYER{$_[0]} || do { 1452 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login 1453 # rename old playerfiles to new ones
1454 #TODO: remove when no longer required
1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1458 aio_unlink +(playerdir $login) . "/$login.pl";
1459
1460 my $f = new_from_file cf::object::thawer path $login
992 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
993 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
994 } 1469 }
995 } 1470 }
996} 1471}
997 1472
1006 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1007 1482
1008 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1010 1485
1486 cf::get_slot 0.01;
1487
1011 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1012 Coro::cede; 1489 cf::cede_to_tick;
1013} 1490}
1014 1491
1015sub new($) { 1492sub new($) {
1016 my ($login) = @_; 1493 my ($login) = @_;
1017 1494
1023 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1024 1501
1025 $self 1502 $self
1026} 1503}
1027 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1028=item $pl->quit_character 1515=item $pl->quit_character
1029 1516
1030Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1031be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1032 1519
1040 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1041 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we nuked the dir
1042 1529
1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1045 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1046 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1047 1536
1048 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1049 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1079while and may block, so not sync_job-capable, ever. 1568while and may block, so not sync_job-capable, ever.
1080 1569
1081=cut 1570=cut
1082 1571
1083sub list_logins { 1572sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1573 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1574 or return [];
1086 1575
1087 my @logins; 1576 my @logins;
1088 1577
1089 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1093 1588
1094 utf8::decode $login; 1589 utf8::decode $login;
1095 push @logins, $login; 1590 push @logins, $login;
1096 } 1591 }
1097 1592
1124 } 1619 }
1125 1620
1126 \@paths 1621 \@paths
1127} 1622}
1128 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1628=cut
1629
1630sub expand_cfpod {
1631 my ($self, $pod) = @_;
1632
1633 my @nest = [qr<\G$>, undef, ""];
1634 my $xml;
1635
1636 for ($pod) {
1637 while () {
1638 if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639 $xml .= $1;
1640 } elsif (/\G\n(?=\S)/xgcs) {
1641 $xml .= " ";
1642 } elsif (/\G\n/xgcs) {
1643 $xml .= "\n";
1644 } elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645 my ($code, $delim) = ($1, scalar reverse $2);
1646 $delim =~ y/</>/; # delim now contains the stop sequence
1647 $delim = qr{\G\Q$delim};
1648
1649 my $cb;
1650
1651 if ($code eq "B") {
1652 $cb = sub { "<b>$_[0]</b>" };
1653 } elsif ($code eq "C") {
1654 $cb = sub { "<tt>$_[0]</tt>" };
1655 } elsif ($code eq "E") {
1656 $cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657 } elsif ($code eq "G") {
1658 $cb = sub {
1659 my ($male, $female) = split /\|/, $_[0];
1660 $self->gender ? $female : $male
1661 };
1662 } elsif ($code eq "H") {
1663 $cb = sub {
1664 (
1665 "<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667 "",
1668 )[$self->{hintmode}];
1669 };
1670 } elsif ($code eq "I") {
1671 $cb = sub { "<i>$_[0]</i>" };
1672 } elsif ($code eq "T") {
1673 $cb = sub { "<big><b>$_[0]</b></big>" };
1674 } elsif ($code eq "U") {
1675 $cb = sub { "<u>$_[0]</u>" };
1676 } elsif ($code eq "Z") {
1677 $cb = sub { };
1678 } else {
1679 die "FATAL error in expand_cfpod";
1680 }
1681
1682 push @nest, [$delim, $cb, $xml];
1683 undef $xml;
1684
1685 } elsif ($_ =~ /$nest[-1][0]/gcs) {
1686 my $nest = pop @nest;
1687
1688 if ($nest->[1]) {
1689 $xml = $nest->[2] . $nest->[1]->($xml);
1690 } else {
1691 last;
1692 }
1693 } elsif (/\G</xgcs) {
1694 $xml .= "&lt;";
1695 } elsif (/\G&/xgcs) {
1696 $xml .= "&amp;";
1697 } elsif (/\G>/xgcs) {
1698 $xml .= ">";
1699 } else {
1700 if ($pod =~ /\G(.+)/xgcs) {
1701 warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702 last;
1703 } else {
1704 warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705 return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706 }
1707 }
1708 }
1709 }
1710
1711 $xml
1712}
1713
1714sub hintmode {
1715 $_[0]{hintmode} = $_[1] if @_ > 1;
1716 $_[0]{hintmode}
1717}
1718
1129=item $player->ext_reply ($msgid, %msg) 1719=item $player->ext_reply ($msgid, @msg)
1130 1720
1131Sends an ext reply to the player. 1721Sends an ext reply to the player.
1132 1722
1133=cut 1723=cut
1134 1724
1135sub ext_reply($$%) { 1725sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1726 my ($self, $id, @msg) = @_;
1137 1727
1138 $msg{msgid} = $id; 1728 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1729}
1142 1730
1143=item $player->ext_event ($type, %msg) 1731=item $player->ext_msg ($type, @msg)
1144 1732
1145Sends an ext event to the client. 1733Sends an ext event to the client.
1146 1734
1147=cut 1735=cut
1148 1736
1149sub ext_event($$%) { 1737sub ext_msg($$@) {
1150 my ($self, $type, %msg) = @_; 1738 my ($self, $type, @msg) = @_;
1151 1739
1152 delete $msg{msgid}; 1740 $self->ns->ext_msg ($type, @msg);
1153 $msg{msgtype} = "event";
1154 $msg{eventtype} = $type;
1155
1156 $self->send ("ext " . cf::to_json \%msg);
1157} 1741}
1158 1742
1159package cf; 1743=head3 cf::region
1744
1745=over 4
1746
1747=cut
1748
1749package cf::region;
1750
1751=item cf::region::find_by_path $path
1752
1753Tries to decuce the likely region for a map knowing only its path.
1754
1755=cut
1756
1757sub find_by_path($) {
1758 my ($path) = @_;
1759
1760 my ($match, $specificity);
1761
1762 for my $region (list) {
1763 if ($region->{match} && $path =~ $region->{match}) {
1764 ($match, $specificity) = ($region, $region->specificity)
1765 if $region->specificity > $specificity;
1766 }
1767 }
1768
1769 $match
1770}
1160 1771
1161=back 1772=back
1162
1163 1773
1164=head3 cf::map 1774=head3 cf::map
1165 1775
1166=over 4 1776=over 4
1167 1777
1179our $MAX_RESET = 3600; 1789our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1790our $DEFAULT_RESET = 3000;
1181 1791
1182sub generate_random_map { 1792sub generate_random_map {
1183 my ($self, $rmp) = @_; 1793 my ($self, $rmp) = @_;
1794
1795 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796
1184 # mit "rum" bekleckern, nicht 1797 # mit "rum" bekleckern, nicht
1185 $self->_create_random_map ( 1798 $self->_create_random_map (
1186 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1799 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1800 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1188 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1801 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222 my ($self, $merge) = @_; 1835 my ($self, $merge) = @_;
1223 1836
1224 # we have to keep some variables in memory intact 1837 # we have to keep some variables in memory intact
1225 local $self->{path}; 1838 local $self->{path};
1226 local $self->{load_path}; 1839 local $self->{load_path};
1227 local $self->{deny_save};
1228 local $self->{deny_reset};
1229 1840
1230 $self->SUPER::thawer_merge ($merge); 1841 $self->SUPER::thawer_merge ($merge);
1231} 1842}
1232 1843
1233sub normalise { 1844sub normalise {
1280 $self->init; # pass $1 etc. 1891 $self->init; # pass $1 etc.
1281 return $self; 1892 return $self;
1282 } 1893 }
1283 } 1894 }
1284 1895
1285 Carp::carp "unable to resolve path '$path' (base '$base')."; 1896 Carp::cluck "unable to resolve path '$path' (base '$base').";
1286 () 1897 ()
1287} 1898}
1288 1899
1289sub init { 1900sub init {
1290 my ($self) = @_; 1901 my ($self) = @_;
1305 1916
1306# the original (read-only) location 1917# the original (read-only) location
1307sub load_path { 1918sub load_path {
1308 my ($self) = @_; 1919 my ($self) = @_;
1309 1920
1310 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1921 "$MAPDIR/$self->{path}.map"
1311} 1922}
1312 1923
1313# the temporary/swap location 1924# the temporary/swap location
1314sub save_path { 1925sub save_path {
1315 my ($self) = @_; 1926 my ($self) = @_;
1316 1927
1317 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1929 "$TMPDIR/$path.map"
1319} 1930}
1320 1931
1321# the unique path, undef == no special unique path 1932# the unique path, undef == no special unique path
1322sub uniq_path { 1933sub uniq_path {
1323 my ($self) = @_; 1934 my ($self) = @_;
1324 1935
1325 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1936 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1937 "$UNIQUEDIR/$path"
1327} 1938}
1328 1939
1329# and all this just because we cannot iterate over 1940# and all this just because we cannot iterate over
1330# all maps in C++... 1941# all maps in C++...
1331sub change_all_map_light { 1942sub change_all_map_light {
1333 1944
1334 $_->change_map_light ($change) 1945 $_->change_map_light ($change)
1335 for grep $_->outdoor, values %cf::MAP; 1946 for grep $_->outdoor, values %cf::MAP;
1336} 1947}
1337 1948
1949sub decay_objects {
1950 my ($self) = @_;
1951
1952 return if $self->{deny_reset};
1953
1954 $self->do_decay_objects;
1955}
1956
1338sub unlink_save { 1957sub unlink_save {
1339 my ($self) = @_; 1958 my ($self) = @_;
1340 1959
1341 utf8::encode (my $save = $self->save_path); 1960 utf8::encode (my $save = $self->save_path);
1342 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1961 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1345 1964
1346sub load_header_from($) { 1965sub load_header_from($) {
1347 my ($self, $path) = @_; 1966 my ($self, $path) = @_;
1348 1967
1349 utf8::encode $path; 1968 utf8::encode $path;
1350 #aio_open $path, O_RDONLY, 0 1969 my $f = new_from_file cf::object::thawer $path
1351 # or return;
1352
1353 $self->_load_header ($path)
1354 or return; 1970 or return;
1971
1972 $self->_load_header ($f)
1973 or return;
1974
1975 local $MAP_LOADING{$self->{path}} = $self;
1976 $f->resolve_delayed_derefs;
1355 1977
1356 $self->{load_path} = $path; 1978 $self->{load_path} = $path;
1357 1979
1358 1 1980 1
1359} 1981}
1398 $self->load_header_orig 2020 $self->load_header_orig
1399 or return; 2021 or return;
1400 $self->prepare_orig; 2022 $self->prepare_orig;
1401 } 2023 }
1402 2024
2025 $self->{deny_reset} = 1
2026 if $self->no_reset;
2027
2028 $self->default_region (cf::region::find_by_path $self->{path})
2029 unless $self->default_region;
2030
1403 1 2031 1
1404} 2032}
1405 2033
1406sub find; 2034sub find;
1407sub find { 2035sub find {
1408 my ($path, $origin) = @_; 2036 my ($path, $origin) = @_;
1409 2037
1410 $path = normalise $path, $origin && $origin->path; 2038 $path = normalise $path, $origin && $origin->path;
1411 2039
2040 cf::lock_wait "map_data:$path";#d#remove
1412 cf::lock_wait "map_find:$path"; 2041 cf::lock_wait "map_find:$path";
1413 2042
1414 $cf::MAP{$path} || do { 2043 $cf::MAP{$path} || do {
2044 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1415 my $guard = cf::lock_acquire "map_find:$path"; 2045 my $guard2 = cf::lock_acquire "map_find:$path";
2046
1416 my $map = new_from_path cf::map $path 2047 my $map = new_from_path cf::map $path
1417 or return; 2048 or return;
1418 2049
1419 $map->{last_save} = $cf::RUNTIME; 2050 $map->{last_save} = $cf::RUNTIME;
1420 2051
1421 $map->load_header 2052 $map->load_header
1422 or return; 2053 or return;
1423 2054
1424 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2055 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425 # doing this can freeze the server in a sync job, obviously 2056 # doing this can freeze the server in a sync job, obviously
1426 #$cf::WAIT_FOR_TICK->wait; 2057 #$cf::WAIT_FOR_TICK->wait;
2058 undef $guard2;
2059 undef $guard1;
1427 $map->reset; 2060 $map->reset;
1428 undef $guard;
1429 return find $path; 2061 return find $path;
1430 } 2062 }
1431 2063
1432 $cf::MAP{$path} = $map 2064 $cf::MAP{$path} = $map
1433 } 2065 }
1440 my ($self) = @_; 2072 my ($self) = @_;
1441 2073
1442 local $self->{deny_reset} = 1; # loading can take a long time 2074 local $self->{deny_reset} = 1; # loading can take a long time
1443 2075
1444 my $path = $self->{path}; 2076 my $path = $self->{path};
2077
2078 {
1445 my $guard = cf::lock_acquire "map_load:$path"; 2079 my $guard = cf::lock_acquire "map_data:$path";
1446 2080
2081 return unless $self->valid;
1447 return if $self->in_memory != cf::MAP_SWAPPED; 2082 return unless $self->in_memory == cf::MAP_SWAPPED;
1448 2083
1449 $self->in_memory (cf::MAP_LOADING); 2084 $self->in_memory (cf::MAP_LOADING);
1450 2085
1451 $self->alloc; 2086 $self->alloc;
1452 2087
1453 $self->pre_load; 2088 $self->pre_load;
2089 cf::cede_to_tick;
1454 2090
1455 $self->_load_objects ($self->{load_path}, 1) 2091 my $f = new_from_file cf::object::thawer $self->{load_path};
2092 $f->skip_block;
2093 $self->_load_objects ($f)
1456 or return; 2094 or return;
1457 2095
1458 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2096 $self->post_load_original
1459 if delete $self->{load_original}; 2097 if delete $self->{load_original};
1460 2098
1461 if (my $uniq = $self->uniq_path) { 2099 if (my $uniq = $self->uniq_path) {
1462 utf8::encode $uniq; 2100 utf8::encode $uniq;
1463 if (aio_open $uniq, O_RDONLY, 0) { 2101 unless (aio_stat $uniq) {
2102 if (my $f = new_from_file cf::object::thawer $uniq) {
1464 $self->clear_unique_items; 2103 $self->clear_unique_items;
1465 $self->_load_objects ($uniq, 0); 2104 $self->_load_objects ($f);
2105 $f->resolve_delayed_derefs;
2106 }
1466 } 2107 }
1467 } 2108 }
1468 2109
1469 Coro::cede; 2110 $f->resolve_delayed_derefs;
1470 2111
2112 cf::cede_to_tick;
1471 # now do the right thing for maps 2113 # now do the right thing for maps
1472 $self->link_multipart_objects; 2114 $self->link_multipart_objects;
1473
1474 unless ($self->{deny_activate}) {
1475 $self->decay_objects;
1476 $self->fix_auto_apply;
1477 $self->update_buttons;
1478 Coro::cede;
1479 $self->set_darkness_map;
1480 $self->difficulty ($self->estimate_difficulty) 2115 $self->difficulty ($self->estimate_difficulty)
1481 unless $self->difficulty; 2116 unless $self->difficulty;
1482 Coro::cede; 2117 cf::cede_to_tick;
2118
2119 unless ($self->{deny_activate}) {
2120 $self->decay_objects;
2121 $self->fix_auto_apply;
2122 $self->update_buttons;
2123 cf::cede_to_tick;
2124 $self->set_darkness_map;
2125 cf::cede_to_tick;
1483 $self->activate; 2126 $self->activate;
2127 }
2128
2129 $self->{last_save} = $cf::RUNTIME;
2130 $self->last_access ($cf::RUNTIME);
2131
2132 $self->in_memory (cf::MAP_ACTIVE);
1484 } 2133 }
1485 2134
1486 $self->post_load; 2135 $self->post_load;
1487
1488 $self->in_memory (cf::MAP_IN_MEMORY);
1489} 2136}
1490 2137
1491sub customise_for { 2138sub customise_for {
1492 my ($self, $ob) = @_; 2139 my ($self, $ob) = @_;
1493 2140
1494 return find "~" . $ob->name . "/" . $self->{path} 2141 return find "~" . $ob->name . "/" . $self->{path}
1495 if $self->per_player; 2142 if $self->per_player;
1496 2143
2144# return find "?party/" . $ob->name . "/" . $self->{path}
2145# if $self->per_party;
2146
1497 $self 2147 $self
1498} 2148}
1499 2149
1500# find and load all maps in the 3x3 area around a map 2150# find and load all maps in the 3x3 area around a map
1501sub load_diag { 2151sub load_neighbours {
1502 my ($map) = @_; 2152 my ($map) = @_;
1503 2153
1504 my @diag; # diagonal neighbours 2154 my @neigh; # diagonal neighbours
1505 2155
1506 for (0 .. 3) { 2156 for (0 .. 3) {
1507 my $neigh = $map->tile_path ($_) 2157 my $neigh = $map->tile_path ($_)
1508 or next; 2158 or next;
1509 $neigh = find $neigh, $map 2159 $neigh = find $neigh, $map
1510 or next; 2160 or next;
1511 $neigh->load; 2161 $neigh->load;
1512 2162
2163 push @neigh,
1513 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2164 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1514 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2165 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1515 } 2166 }
1516 2167
1517 for (@diag) { 2168 for (grep defined $_->[0], @neigh) {
2169 my ($path, $origin) = @$_;
1518 my $neigh = find @$_ 2170 my $neigh = find $path, $origin
1519 or next; 2171 or next;
1520 $neigh->load; 2172 $neigh->load;
1521 } 2173 }
1522} 2174}
1523 2175
1528} 2180}
1529 2181
1530sub do_load_sync { 2182sub do_load_sync {
1531 my ($map) = @_; 2183 my ($map) = @_;
1532 2184
2185 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2186 if $Coro::current == $Coro::main;
2187
1533 cf::sync_job { $map->load }; 2188 cf::sync_job { $map->load };
1534} 2189}
1535 2190
1536our %MAP_PREFETCH; 2191our %MAP_PREFETCH;
1537our $MAP_PREFETCHER = undef; 2192our $MAP_PREFETCHER = undef;
1538 2193
1539sub find_async { 2194sub find_async {
1540 my ($path, $origin) = @_; 2195 my ($path, $origin, $load) = @_;
1541 2196
1542 $path = normalise $path, $origin && $origin->{path}; 2197 $path = normalise $path, $origin && $origin->{path};
1543 2198
1544 if (my $map = $cf::MAP{$path}) { 2199 if (my $map = $cf::MAP{$path}) {
1545 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2200 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546 } 2201 }
1547 2202
1548 undef $MAP_PREFETCH{$path}; 2203 $MAP_PREFETCH{$path} |= $load;
2204
1549 $MAP_PREFETCHER ||= cf::async { 2205 $MAP_PREFETCHER ||= cf::async {
2206 $Coro::current->{desc} = "map prefetcher";
2207
1550 while (%MAP_PREFETCH) { 2208 while (%MAP_PREFETCH) {
1551 for my $path (keys %MAP_PREFETCH) { 2209 while (my ($k, $v) = each %MAP_PREFETCH) {
1552 my $map = find $path 2210 if (my $map = find $k) {
1553 or next;
1554 $map->load; 2211 $map->load if $v;
2212 }
1555 2213
1556 delete $MAP_PREFETCH{$path}; 2214 delete $MAP_PREFETCH{$k};
1557 } 2215 }
1558 } 2216 }
1559 undef $MAP_PREFETCHER; 2217 undef $MAP_PREFETCHER;
1560 }; 2218 };
1561 $MAP_PREFETCHER->prio (6); 2219 $MAP_PREFETCHER->prio (6);
1564} 2222}
1565 2223
1566sub save { 2224sub save {
1567 my ($self) = @_; 2225 my ($self) = @_;
1568 2226
1569 my $lock = cf::lock_acquire "map_data:" . $self->path; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1570 2228
1571 $self->{last_save} = $cf::RUNTIME; 2229 $self->{last_save} = $cf::RUNTIME;
1572 2230
1573 return unless $self->dirty; 2231 return unless $self->dirty;
1574 2232
1580 return if $self->{deny_save}; 2238 return if $self->{deny_save};
1581 2239
1582 local $self->{last_access} = $self->last_access;#d# 2240 local $self->{last_access} = $self->last_access;#d#
1583 2241
1584 cf::async { 2242 cf::async {
2243 $Coro::current->{desc} = "map player save";
1585 $_->contr->save for $self->players; 2244 $_->contr->save for $self->players;
1586 }; 2245 };
2246
2247 cf::get_slot 0.02;
1587 2248
1588 if ($uniq) { 2249 if ($uniq) {
1589 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2250 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2251 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1591 } else { 2252 } else {
1597 my ($self) = @_; 2258 my ($self) = @_;
1598 2259
1599 # save first because save cedes 2260 # save first because save cedes
1600 $self->save; 2261 $self->save;
1601 2262
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2263 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2264
1604 return if $self->players; 2265 return if $self->players;
1605 return if $self->in_memory != cf::MAP_IN_MEMORY; 2266 return if $self->in_memory != cf::MAP_ACTIVE;
1606 return if $self->{deny_save}; 2267 return if $self->{deny_save};
1607 2268
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 $self->deactivate;
2272 $_->clear_links_to ($self) for values %cf::MAP;
1608 $self->clear; 2273 $self->clear;
1609 $self->in_memory (cf::MAP_SWAPPED);
1610} 2274}
1611 2275
1612sub reset_at { 2276sub reset_at {
1613 my ($self) = @_; 2277 my ($self) = @_;
1614 2278
1615 # TODO: safety, remove and allow resettable per-player maps 2279 # TODO: safety, remove and allow resettable per-player maps
1616 return 1e99 if $self->isa ("ext::map_per_player");#d#
1617 return 1e99 if $self->{deny_reset}; 2280 return 1e99 if $self->{deny_reset};
1618 2281
1619 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2282 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2283 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621 2284
1632 my ($self) = @_; 2295 my ($self) = @_;
1633 2296
1634 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2297 my $lock = cf::lock_acquire "map_data:$self->{path}";
1635 2298
1636 return if $self->players; 2299 return if $self->players;
1637 return if $self->isa ("ext::map_per_player");#d#
1638 2300
1639 warn "resetting map ", $self->path;#d# 2301 warn "resetting map ", $self->path;
1640 2302
1641 $self->in_memory (cf::MAP_SWAPPED); 2303 $self->in_memory (cf::MAP_SWAPPED);
1642 2304
1643 # need to save uniques path 2305 # need to save uniques path
1644 unless ($self->{deny_save}) { 2306 unless ($self->{deny_save}) {
1648 if $uniq; 2310 if $uniq;
1649 } 2311 }
1650 2312
1651 delete $cf::MAP{$self->path}; 2313 delete $cf::MAP{$self->path};
1652 2314
2315 $self->deactivate;
2316 $_->clear_links_to ($self) for values %cf::MAP;
1653 $self->clear; 2317 $self->clear;
1654
1655 $_->clear_links_to ($self) for values %cf::MAP;
1656 2318
1657 $self->unlink_save; 2319 $self->unlink_save;
1658 $self->destroy; 2320 $self->destroy;
1659} 2321}
1660 2322
1661my $nuke_counter = "aaaa"; 2323my $nuke_counter = "aaaa";
1662 2324
1663sub nuke { 2325sub nuke {
1664 my ($self) = @_; 2326 my ($self) = @_;
1665 2327
2328 {
2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
2330
1666 delete $cf::MAP{$self->path}; 2331 delete $cf::MAP{$self->path};
1667 2332
1668 $self->unlink_save; 2333 $self->unlink_save;
1669 2334
1670 bless $self, "cf::map"; 2335 bless $self, "cf::map";
1671 delete $self->{deny_reset}; 2336 delete $self->{deny_reset};
1672 $self->{deny_save} = 1; 2337 $self->{deny_save} = 1;
1673 $self->reset_timeout (1); 2338 $self->reset_timeout (1);
1674 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2339 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675 2340
1676 $cf::MAP{$self->path} = $self; 2341 $cf::MAP{$self->path} = $self;
2342 }
1677 2343
1678 $self->reset; # polite request, might not happen 2344 $self->reset; # polite request, might not happen
2345}
2346
2347=item $maps = cf::map::tmp_maps
2348
2349Returns an arrayref with all map paths of currently instantiated and saved
2350maps. May block.
2351
2352=cut
2353
2354sub tmp_maps() {
2355 [
2356 map {
2357 utf8::decode $_;
2358 /\.map$/
2359 ? normalise $_
2360 : ()
2361 } @{ aio_readdir $TMPDIR or [] }
2362 ]
2363}
2364
2365=item $maps = cf::map::random_maps
2366
2367Returns an arrayref with all map paths of currently instantiated and saved
2368random maps. May block.
2369
2370=cut
2371
2372sub random_maps() {
2373 [
2374 map {
2375 utf8::decode $_;
2376 /\.map$/
2377 ? normalise "?random/$_"
2378 : ()
2379 } @{ aio_readdir $RANDOMDIR or [] }
2380 ]
1679} 2381}
1680 2382
1681=item cf::map::unique_maps 2383=item cf::map::unique_maps
1682 2384
1683Returns an arrayref of paths of all shared maps that have 2385Returns an arrayref of paths of all shared maps that have
1684instantiated unique items. May block. 2386instantiated unique items. May block.
1685 2387
1686=cut 2388=cut
1687 2389
1688sub unique_maps() { 2390sub unique_maps() {
1689 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2391 [
1690 or return; 2392 map {
1691
1692 my @paths;
1693
1694 for (@$files) {
1695 utf8::decode $_; 2393 utf8::decode $_;
1696 next if /\.pst$/; 2394 s/\.map$//; # TODO future compatibility hack
1697 next unless /^$PATH_SEP/o; 2395 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698 2396 ? ()
1699 push @paths, cf::map::normalise $_; 2397 : normalise $_
2398 } @{ aio_readdir $UNIQUEDIR or [] }
1700 } 2399 ]
1701
1702 \@paths
1703} 2400}
1704
1705package cf;
1706 2401
1707=back 2402=back
1708 2403
1709=head3 cf::object 2404=head3 cf::object
1710 2405
1714 2409
1715=over 4 2410=over 4
1716 2411
1717=item $ob->inv_recursive 2412=item $ob->inv_recursive
1718 2413
1719Returns the inventory of the object _and_ their inventories, recursively. 2414Returns the inventory of the object I<and> their inventories, recursively,
2415but I<not> the object itself.
1720 2416
1721=cut 2417=cut
1722 2418
1723sub inv_recursive_; 2419sub inv_recursive_;
1724sub inv_recursive_ { 2420sub inv_recursive_ {
1727 2423
1728sub inv_recursive { 2424sub inv_recursive {
1729 inv_recursive_ inv $_[0] 2425 inv_recursive_ inv $_[0]
1730} 2426}
1731 2427
2428=item $ref = $ob->ref
2429
2430Creates and returns a persistent reference to an object that can be stored as a string.
2431
2432=item $ob = cf::object::deref ($refstring)
2433
2434returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2435even if the object actually exists. May block.
2436
2437=cut
2438
2439sub deref {
2440 my ($ref) = @_;
2441
2442 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2443 my ($uuid, $name) = ($1, $2);
2444 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2445 or return;
2446 $pl->ob->uuid eq $uuid
2447 or return;
2448
2449 $pl->ob
2450 } else {
2451 warn "$ref: cannot resolve object reference\n";
2452 undef
2453 }
2454}
2455
1732package cf; 2456package cf;
1733 2457
1734=back 2458=back
1735 2459
1736=head3 cf::object::player 2460=head3 cf::object::player
1742Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2466Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743can be C<undef>. Does the right thing when the player is currently in a 2467can be C<undef>. Does the right thing when the player is currently in a
1744dialogue with the given NPC character. 2468dialogue with the given NPC character.
1745 2469
1746=cut 2470=cut
2471
2472our $SAY_CHANNEL = {
2473 id => "say",
2474 title => "Map",
2475 reply => "say ",
2476 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2477};
2478
2479our $CHAT_CHANNEL = {
2480 id => "chat",
2481 title => "Chat",
2482 reply => "chat ",
2483 tooltip => "Player chat and shouts, global to the server.",
2484};
1747 2485
1748# rough implementation of a future "reply" method that works 2486# rough implementation of a future "reply" method that works
1749# with dialog boxes. 2487# with dialog boxes.
1750#TODO: the first argument must go, split into a $npc->reply_to ( method 2488#TODO: the first argument must go, split into a $npc->reply_to ( method
1751sub cf::object::player::reply($$$;$) { 2489sub cf::object::player::reply($$$;$) {
1753 2491
1754 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2492 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755 2493
1756 if ($self->{record_replies}) { 2494 if ($self->{record_replies}) {
1757 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2495 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2496
1758 } else { 2497 } else {
2498 my $pl = $self->contr;
2499
2500 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2501 my $dialog = $pl->{npc_dialog};
2502 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2503
2504 } else {
1759 $msg = $npc->name . " says: $msg" if $npc; 2505 $msg = $npc->name . " says: $msg" if $npc;
1760 $self->message ($msg, $flags); 2506 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2507 }
1761 } 2508 }
2509}
2510
2511=item $object->send_msg ($channel, $msg, $color, [extra...])
2512
2513=cut
2514
2515sub cf::object::send_msg {
2516 my $pl = shift->contr
2517 or return;
2518 $pl->send_msg (@_);
1762} 2519}
1763 2520
1764=item $player_object->may ("access") 2521=item $player_object->may ("access")
1765 2522
1766Returns wether the given player is authorized to access resource "access" 2523Returns wether the given player is authorized to access resource "access"
1813 $self->deactivate_recursive; 2570 $self->deactivate_recursive;
1814 2571
1815 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2572 return if UNIVERSAL::isa $self->map, "ext::map_link";
1816 2573
1817 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2574 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818 if $self->map; 2575 if $self->map && $self->map->{path} ne "{link}";
1819 2576
1820 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2577 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1821} 2578}
1822 2579
1823sub cf::object::player::leave_link { 2580sub cf::object::player::leave_link {
1824 my ($self, $map, $x, $y) = @_; 2581 my ($self, $map, $x, $y) = @_;
2582
2583 return unless $self->contr->active;
1825 2584
1826 my $link_pos = delete $self->{_link_pos}; 2585 my $link_pos = delete $self->{_link_pos};
1827 2586
1828 unless ($map) { 2587 unless ($map) {
1829 # restore original map position 2588 # restore original map position
1843 # use -1 or undef as default coordinates, not 0, 0 2602 # use -1 or undef as default coordinates, not 0, 0
1844 ($x, $y) = ($map->enter_x, $map->enter_y) 2603 ($x, $y) = ($map->enter_x, $map->enter_y)
1845 if $x <=0 && $y <= 0; 2604 if $x <=0 && $y <= 0;
1846 2605
1847 $map->load; 2606 $map->load;
1848 $map->load_diag; 2607 $map->load_neighbours;
1849 2608
1850 return unless $self->contr->active; 2609 return unless $self->contr->active;
1851 $self->activate_recursive; 2610 $self->activate_recursive;
1852 2611
1853 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854 $self->enter_map ($map, $x, $y); 2613 $self->enter_map ($map, $x, $y);
1855} 2614}
1856 2615
1857cf::player->attach ( 2616=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858 on_logout => sub {
1859 my ($pl) = @_;
1860 2617
1861 # abort map switching before logout 2618Moves the player to the given map-path and coordinates by first freezing
1862 if ($pl->ob->{_link_pos}) { 2619her, loading and preparing them map, calling the provided $check callback
1863 cf::sync_job { 2620that has to return the map if sucecssful, and then unfreezes the player on
1864 $pl->ob->leave_link 2621the new (success) or old (failed) map position. In either case, $done will
1865 }; 2622be called at the end of this process.
1866 }
1867 },
1868 on_login => sub {
1869 my ($pl) = @_;
1870 2623
1871 # try to abort aborted map switching on player login :) 2624Note that $check will be called with a potentially non-loaded map, so if
1872 # should happen only on crashes 2625it needs a loaded map it has to call C<< ->load >>.
1873 if ($pl->ob->{_link_pos}) {
1874 $pl->ob->enter_link;
1875 (async {
1876 $pl->ob->reply (undef,
1877 "There was an internal problem at your last logout, "
1878 . "the server will try to bring you to your intended destination in a second.",
1879 cf::NDI_RED);
1880 # we need this sleep as the login has a concurrent enter_exit running
1881 # and this sleep increases chances of the player not ending up in scorn
1882 Coro::Timer::sleep 1;
1883 $pl->ob->leave_link;
1884 })->prio (2);
1885 }
1886 },
1887);
1888 2626
1889=item $player_object->goto ($path, $x, $y)
1890
1891=cut 2627=cut
2628
2629our $GOTOGEN;
1892 2630
1893sub cf::object::player::goto { 2631sub cf::object::player::goto {
1894 my ($self, $path, $x, $y) = @_; 2632 my ($self, $path, $x, $y, $check, $done) = @_;
2633
2634 # do generation counting so two concurrent goto's will be executed in-order
2635 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895 2636
1896 $self->enter_link; 2637 $self->enter_link;
1897 2638
1898 (async { 2639 (async {
2640 $Coro::current->{desc} = "player::goto $path $x $y";
2641
2642 # *tag paths override both path and x|y
2643 if ($path =~ /^\*(.*)$/) {
2644 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2645 my $ob = $obs[rand @obs];
2646
2647 # see if we actually can go there
2648 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2649 $ob = $obs[rand @obs];
2650 } else {
2651 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2652 }
2653 # else put us there anyways for now #d#
2654
2655 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2656 } else {
2657 ($path, $x, $y) = (undef, undef, undef);
2658 }
2659 }
2660
1899 my $map = eval { 2661 my $map = eval {
1900 my $map = cf::map::find $path; 2662 my $map = defined $path ? cf::map::find $path : undef;
2663
2664 if ($map) {
1901 $map = $map->customise_for ($self) if $map; 2665 $map = $map->customise_for ($self);
2666 $map = $check->($map) if $check && $map;
2667 } else {
2668 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2669 }
2670
1902 $map 2671 $map
2672 };
2673
2674 if ($@) {
2675 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2676 LOG llevError | logBacktrace, Carp::longmess $@;
1903 } or 2677 }
1904 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905 2678
2679 if ($gen == $self->{_goto_generation}) {
2680 delete $self->{_goto_generation};
1906 $self->leave_link ($map, $x, $y); 2681 $self->leave_link ($map, $x, $y);
2682 }
2683
2684 $done->() if $done;
1907 })->prio (1); 2685 })->prio (1);
1908} 2686}
1909 2687
1910=item $player_object->enter_exit ($exit_object) 2688=item $player_object->enter_exit ($exit_object)
1911 2689
1931} 2709}
1932 2710
1933sub prepare_random_map { 2711sub prepare_random_map {
1934 my ($exit) = @_; 2712 my ($exit) = @_;
1935 2713
1936 my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938 # all this does is basically replace the /! path by 2714 # all this does is basically replace the /! path by
1939 # a new random map path (?random/...) with a seed 2715 # a new random map path (?random/...) with a seed
1940 # that depends on the exit object 2716 # that depends on the exit object
1941 2717
1942 my $rmp = parse_random_map_params $exit->msg; 2718 my $rmp = parse_random_map_params $exit->msg;
1944 if ($exit->map) { 2720 if ($exit->map) {
1945 $rmp->{region} = $exit->region->name; 2721 $rmp->{region} = $exit->region->name;
1946 $rmp->{origin_map} = $exit->map->path; 2722 $rmp->{origin_map} = $exit->map->path;
1947 $rmp->{origin_x} = $exit->x; 2723 $rmp->{origin_x} = $exit->x;
1948 $rmp->{origin_y} = $exit->y; 2724 $rmp->{origin_y} = $exit->y;
2725
2726 $exit->map->touch;
1949 } 2727 }
1950 2728
1951 $rmp->{random_seed} ||= $exit->random_seed; 2729 $rmp->{random_seed} ||= $exit->random_seed;
1952 2730
1953 my $data = cf::to_json $rmp; 2731 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954 my $md5 = Digest::MD5::md5_hex $data; 2732 my $md5 = Digest::MD5::md5_hex $data;
1955 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2733 my $meta = "$RANDOMDIR/$md5.meta";
1956 2734
1957 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2735 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958 aio_write $fh, 0, (length $data), $data, 0; 2736 aio_write $fh, 0, (length $data), $data, 0;
1959 undef $fh; 2737 undef $fh;
1960 aio_rename "$meta~", $meta; 2738 aio_rename "$meta~", $meta;
1961 2739
2740 my $slaying = "?random/$md5";
2741
2742 if ($exit->valid) {
1962 $exit->slaying ("?random/$md5"); 2743 $exit->slaying ("?random/$md5");
1963 $exit->msg (undef); 2744 $exit->msg (undef);
2745 }
1964 } 2746 }
1965} 2747}
1966 2748
1967sub cf::object::player::enter_exit { 2749sub cf::object::player::enter_exit {
1968 my ($self, $exit) = @_; 2750 my ($self, $exit) = @_;
1969 2751
1970 return unless $self->type == cf::PLAYER; 2752 return unless $self->type == cf::PLAYER;
1971 2753
1972 if ($exit->slaying eq "/!") {
1973 #TODO: this should de-fi-ni-te-ly not be a sync-job
1974 cf::sync_job { prepare_random_map $exit };
1975 }
1976
1977 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978 my $hp = $exit->stats->hp;
1979 my $sp = $exit->stats->sp;
1980
1981 $self->enter_link; 2754 $self->enter_link;
1982 2755
1983 (async { 2756 (async {
1984 $self->deactivate_recursive; # just to be sure 2757 $Coro::current->{desc} = "enter_exit";
2758
1985 unless (eval { 2759 unless (eval {
2760 $self->deactivate_recursive; # just to be sure
2761
2762 # random map handling
2763 {
2764 my $guard = cf::lock_acquire "exit_prepare:$exit";
2765
2766 prepare_random_map $exit
2767 if $exit->slaying eq "/!";
2768 }
2769
2770 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2771 my $x = $exit->stats->hp;
2772 my $y = $exit->stats->sp;
2773
1986 $self->goto ($slaying, $hp, $sp); 2774 $self->goto ($map, $x, $y);
1987 2775
2776 # if exit is damned, update players death & WoR home-position
2777 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED);
2779
1988 1; 2780 1
1989 }) { 2781 }) {
1990 $self->message ("Something went wrong deep within the crossfire server. " 2782 $self->message ("Something went wrong deep within the crossfire server. "
1991 . "I'll try to bring you back to the map you were before. " 2783 . "I'll try to bring you back to the map you were before. "
1992 . "Please report this to the dungeon master!", 2784 . "Please report this to the dungeon master!",
1993 cf::NDI_UNIQUE | cf::NDI_RED); 2785 cf::NDI_UNIQUE | cf::NDI_RED);
1994 2786
1995 warn "ERROR in enter_exit: $@"; 2787 warn "ERROR in enter_exit: $@";
1996 $self->leave_link; 2788 $self->leave_link;
1997 } 2789 }
1998 })->prio (1); 2790 })->prio (1);
2014 2806
2015 utf8::encode $text; 2807 utf8::encode $text;
2016 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2808 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017} 2809}
2018 2810
2811=item $client->send_msg ($channel, $msg, $color, [extra...])
2812
2813Send a drawinfo or msg packet to the client, formatting the msg for the
2814client if neccessary. C<$type> should be a string identifying the type of
2815the message, with C<log> being the default. If C<$color> is negative, suppress
2816the message unless the client supports the msg packet.
2817
2818=cut
2819
2820# non-persistent channels (usually the info channel)
2821our %CHANNEL = (
2822 "c/identify" => {
2823 id => "infobox",
2824 title => "Identify",
2825 reply => undef,
2826 tooltip => "Items recently identified",
2827 },
2828 "c/examine" => {
2829 id => "infobox",
2830 title => "Examine",
2831 reply => undef,
2832 tooltip => "Signs and other items you examined",
2833 },
2834 "c/book" => {
2835 id => "infobox",
2836 title => "Book",
2837 reply => undef,
2838 tooltip => "The contents of a note or book",
2839 },
2840 "c/lookat" => {
2841 id => "infobox",
2842 title => "Look",
2843 reply => undef,
2844 tooltip => "What you saw there",
2845 },
2846 "c/who" => {
2847 id => "infobox",
2848 title => "Players",
2849 reply => undef,
2850 tooltip => "Shows players who are currently online",
2851 },
2852 "c/body" => {
2853 id => "infobox",
2854 title => "Body Parts",
2855 reply => undef,
2856 tooltip => "Shows which body parts you posess and are available",
2857 },
2858 "c/uptime" => {
2859 id => "infobox",
2860 title => "Uptime",
2861 reply => undef,
2862 tooltip => "How long the server has been running since last restart",
2863 },
2864 "c/mapinfo" => {
2865 id => "infobox",
2866 title => "Map Info",
2867 reply => undef,
2868 tooltip => "Information related to the maps",
2869 },
2870 "c/party" => {
2871 id => "party",
2872 title => "Party",
2873 reply => "gsay ",
2874 tooltip => "Messages and chat related to your party",
2875 },
2876);
2877
2878sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_;
2880
2881 $msg = $self->pl->expand_cfpod ($msg);
2882
2883 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884
2885 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) {
2887 $channel = $CHANNEL{$channel};
2888
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891
2892 $channel = $channel->{id};
2893
2894 } elsif (ref $channel) {
2895 # send meta info to client, if not yet sent
2896 unless (exists $self->{channel}{$channel->{id}}) {
2897 $self->{channel}{$channel->{id}} = $channel;
2898 $self->ext_msg (channel_info => $channel)
2899 if $self->can_msg;
2900 }
2901
2902 $channel = $channel->{id};
2903 }
2904
2905 return unless @extra || length $msg;
2906
2907 if ($self->can_msg) {
2908 # default colour, mask it out
2909 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910 if $color & cf::NDI_DEF;
2911
2912 $self->send_packet ("msg " . $self->{json_coder}->encode (
2913 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2914 } else {
2915 if ($color >= 0) {
2916 # replace some tags by gcfclient-compatible ones
2917 for ($msg) {
2918 1 while
2919 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2920 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2921 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2922 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2923 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2924 }
2925
2926 $color &= cf::NDI_COLOR_MASK;
2927
2928 utf8::encode $msg;
2929
2930 if (0 && $msg =~ /\[/) {
2931 # COMMAND/INFO
2932 $self->send_packet ("drawextinfo $color 10 8 $msg")
2933 } else {
2934 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2935 $self->send_packet ("drawinfo $color $msg")
2936 }
2937 }
2938 }
2939}
2940
2941=item $client->ext_msg ($type, @msg)
2942
2943Sends an ext event to the client.
2944
2945=cut
2946
2947sub cf::client::ext_msg($$@) {
2948 my ($self, $type, @msg) = @_;
2949
2950 if ($self->extcmd == 2) {
2951 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2952 } elsif ($self->extcmd == 1) { # TODO: remove
2953 push @msg, msgtype => "event_$type";
2954 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2955 }
2956}
2957
2958=item $client->ext_reply ($msgid, @msg)
2959
2960Sends an ext reply to the client.
2961
2962=cut
2963
2964sub cf::client::ext_reply($$@) {
2965 my ($self, $id, @msg) = @_;
2966
2967 if ($self->extcmd == 2) {
2968 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2969 } elsif ($self->extcmd == 1) {
2970 #TODO: version 1, remove
2971 unshift @msg, msgtype => "reply", msgid => $id;
2972 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2973 }
2974}
2019 2975
2020=item $success = $client->query ($flags, "text", \&cb) 2976=item $success = $client->query ($flags, "text", \&cb)
2021 2977
2022Queues a query to the client, calling the given callback with 2978Queues a query to the client, calling the given callback with
2023the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2979the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2980C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025 2981
2026Queries can fail, so check the return code. Or don't, as queries will become 2982Queries can fail, so check the return code. Or don't, as queries will
2027reliable at some point in the future. 2983become reliable at some point in the future.
2028 2984
2029=cut 2985=cut
2030 2986
2031sub cf::client::query { 2987sub cf::client::query {
2032 my ($self, $flags, $text, $cb) = @_; 2988 my ($self, $flags, $text, $cb) = @_;
2040 utf8::encode $text; 2996 utf8::encode $text;
2041 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2997 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042 2998
2043 $self->send_packet ($self->{query_queue}[0][0]) 2999 $self->send_packet ($self->{query_queue}[0][0])
2044 if @{ $self->{query_queue} } == 1; 3000 if @{ $self->{query_queue} } == 1;
3001
3002 1
2045} 3003}
2046 3004
2047cf::client->attach ( 3005cf::client->attach (
3006 on_connect => sub {
3007 my ($ns) = @_;
3008
3009 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3010 },
2048 on_reply => sub { 3011 on_reply => sub {
2049 my ($ns, $msg) = @_; 3012 my ($ns, $msg) = @_;
2050 3013
2051 # this weird shuffling is so that direct followup queries 3014 # this weird shuffling is so that direct followup queries
2052 # get handled first 3015 # get handled first
2064 } else { 3027 } else {
2065 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3028 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066 } 3029 }
2067 } 3030 }
2068 }, 3031 },
3032 on_exticmd => sub {
3033 my ($ns, $buf) = @_;
3034
3035 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3036
3037 if (ref $msg) {
3038 my ($type, $reply, @payload) =
3039 "ARRAY" eq ref $msg
3040 ? @$msg
3041 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3042
3043 my @reply;
3044
3045 if (my $cb = $EXTICMD{$type}) {
3046 @reply = $cb->($ns, @payload);
3047 }
3048
3049 $ns->ext_reply ($reply, @reply)
3050 if $reply;
3051
3052 } else {
3053 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3054 }
3055
3056 cf::override;
3057 },
2069); 3058);
2070 3059
2071=item $client->async (\&cb) 3060=item $client->async (\&cb)
2072 3061
2073Create a new coroutine, running the specified callback. The coroutine will 3062Create a new coroutine, running the specified callback. The coroutine will
2114our $safe = new Safe "safe"; 3103our $safe = new Safe "safe";
2115our $safe_hole = new Safe::Hole; 3104our $safe_hole = new Safe::Hole;
2116 3105
2117$SIG{FPE} = 'IGNORE'; 3106$SIG{FPE} = 'IGNORE';
2118 3107
2119$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3108$safe->permit_only (Opcode::opset qw(
3109 :base_core :base_mem :base_orig :base_math
3110 grepstart grepwhile mapstart mapwhile
3111 sort time
3112));
2120 3113
2121# here we export the classes and methods available to script code 3114# here we export the classes and methods available to script code
2122 3115
2123=pod 3116=pod
2124 3117
2125The following functions and methods are available within a safe environment: 3118The following functions and methods are available within a safe environment:
2126 3119
2127 cf::object contr pay_amount pay_player map 3120 cf::object
3121 contr pay_amount pay_player map x y force_find force_add destroy
3122 insert remove name archname title slaying race decrease split
3123
2128 cf::object::player player 3124 cf::object::player
2129 cf::player peaceful 3125 player
2130 cf::map trigger 3126
3127 cf::player
3128 peaceful
3129
3130 cf::map
3131 trigger
2131 3132
2132=cut 3133=cut
2133 3134
2134for ( 3135for (
2135 ["cf::object" => qw(contr pay_amount pay_player map)], 3136 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3137 insert remove inv nrof name archname title slaying race
3138 decrease split destroy change_exp)],
2136 ["cf::object::player" => qw(player)], 3139 ["cf::object::player" => qw(player)],
2137 ["cf::player" => qw(peaceful)], 3140 ["cf::player" => qw(peaceful)],
2138 ["cf::map" => qw(trigger)], 3141 ["cf::map" => qw(trigger)],
2139) { 3142) {
2140 no strict 'refs'; 3143 no strict 'refs';
2211=back 3214=back
2212 3215
2213=cut 3216=cut
2214 3217
2215############################################################################# 3218#############################################################################
2216
2217=head2 EXTENSION DATABASE SUPPORT
2218
2219Crossfire maintains a very simple database for extension use. It can
2220currently store anything that can be serialised using Storable, which
2221excludes objects.
2222
2223The parameter C<$family> should best start with the name of the extension
2224using it, it should be unique.
2225
2226=over 4
2227
2228=item $value = cf::db_get $family => $key
2229
2230Returns a single value from the database.
2231
2232=item cf::db_put $family => $key => $value
2233
2234Stores the given C<$value> in the family.
2235
2236=cut
2237
2238our $DB;
2239
2240sub db_init {
2241 unless ($DB) {
2242 $DB = BDB::db_create $DB_ENV;
2243
2244 cf::sync_job {
2245 eval {
2246 $DB->set_flags (BDB::CHKSUM);
2247
2248 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250 cf::cleanup "db_open(db): $!" if $!;
2251 };
2252 cf::cleanup "db_open(db): $@" if $@;
2253 };
2254
2255 my $path = cf::localdir . "/database.pst";
2256 if (stat $path) {
2257 cf::sync_job {
2258 my $pst = Storable::retrieve $path;
2259
2260 cf::db_put (board => data => $pst->{board});
2261 cf::db_put (guildrules => data => $pst->{guildrules});
2262 cf::db_put (rent => balance => $pst->{rent}{balance});
2263 BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265 unlink $path;
2266 };
2267 }
2268 }
2269}
2270
2271sub db_get($$) {
2272 my $key = "$_[0]/$_[1]";
2273
2274 cf::sync_job {
2275 BDB::db_get $DB, undef, $key, my $data;
2276
2277 $! ? ()
2278 : Compress::LZF::sthaw $data
2279 }
2280}
2281
2282sub db_put($$$) {
2283 BDB::dbreq_pri 4;
2284 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285}
2286
2287#############################################################################
2288# the server's init and main functions 3219# the server's init and main functions
2289 3220
2290sub load_facedata { 3221sub load_facedata($) {
2291 my $path = sprintf "%s/facedata", cf::datadir; 3222 my ($path) = @_;
3223
3224 # HACK to clear player env face cache, we need some signal framework
3225 # for this (global event?)
3226 %ext::player_env::MUSIC_FACE_CACHE = ();
3227
3228 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292 3229
2293 warn "loading facedata from $path\n"; 3230 warn "loading facedata from $path\n";
2294 3231
2295 my $faces; 3232 my $facedata;
2296 0 < aio_load $path, $faces 3233 0 < aio_load $path, $facedata
2297 or die "$path: $!"; 3234 or die "$path: $!";
2298 3235
2299 Coro::cede;
2300 $faces = Storable::thaw $faces; 3236 $facedata = Coro::Storable::thaw $facedata;
2301 Coro::cede;
2302 3237
2303 my $meta = delete $faces->{""};
2304 $meta->{version} == 1 3238 $facedata->{version} == 2
2305 or cf::cleanup "$path: version mismatch, cannot proceed."; 3239 or cf::cleanup "$path: version mismatch, cannot proceed.";
2306 3240
3241 # patch in the exptable
3242 $facedata->{resource}{"res/exp_table"} = {
3243 type => FT_RSRC,
3244 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3245 };
3246 cf::cede_to_tick;
3247
3248 {
3249 my $faces = $facedata->{faceinfo};
3250
2307 while (my ($face, $info) = each %$faces) { 3251 while (my ($face, $info) = each %$faces) {
2308 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3252 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3253
3254 cf::face::set_visibility $idx, $info->{visibility};
3255 cf::face::set_magicmap $idx, $info->{magicmap};
2310 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3256 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3257 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312 Coro::cede;
2313 }
2314 3258
3259 cf::cede_to_tick;
3260 }
3261
2315 while (my ($face, $info) = each %$faces) { 3262 while (my ($face, $info) = each %$faces) {
2316 next unless $info->{smooth}; 3263 next unless $info->{smooth};
3264
2317 my $idx = cf::face::find $face 3265 my $idx = cf::face::find $face
2318 or next; 3266 or next;
3267
2319 if (my $smooth = cf::face::find $info->{smooth}) { 3268 if (my $smooth = cf::face::find $info->{smooth}) {
2320 cf::face::set_smooth $idx, $smooth; 3269 cf::face::set_smooth $idx, $smooth;
3270 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321 } else { 3271 } else {
2322 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3272 warn "smooth face '$info->{smooth}' not found for face '$face'";
2323 } 3273 }
2324 Coro::cede; 3274
3275 cf::cede_to_tick;
3276 }
3277 }
3278
2325 } 3279 {
3280 my $anims = $facedata->{animinfo};
3281
3282 while (my ($anim, $info) = each %$anims) {
3283 cf::anim::set $anim, $info->{frames}, $info->{facings};
3284 cf::cede_to_tick;
3285 }
3286
3287 cf::anim::invalidate_all; # d'oh
3288 }
3289
3290 {
3291 # TODO: for gcfclient pleasure, we should give resources
3292 # that gcfclient doesn't grok a >10000 face index.
3293 my $res = $facedata->{resource};
3294
3295 while (my ($name, $info) = each %$res) {
3296 if (defined $info->{type}) {
3297 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3298 my $data;
3299
3300 if ($info->{type} & 1) {
3301 # prepend meta info
3302
3303 my $meta = $enc->encode ({
3304 name => $name,
3305 %{ $info->{meta} || {} },
3306 });
3307
3308 $data = pack "(w/a*)*", $meta, $info->{data};
3309 } else {
3310 $data = $info->{data};
3311 }
3312
3313 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3314 cf::face::set_type $idx, $info->{type};
3315 } else {
3316 $RESOURCE{$name} = $info;
3317 }
3318
3319 cf::cede_to_tick;
3320 }
3321 }
3322
3323 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2326 3324
2327 1 3325 1
2328} 3326}
2329 3327
3328cf::global->attach (on_resource_update => sub {
3329 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3330 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3331
3332 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3333 my $sound = $soundconf->{compat}[$_]
3334 or next;
3335
3336 my $face = cf::face::find "sound/$sound->[1]";
3337 cf::sound::set $sound->[0] => $face;
3338 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3339 }
3340
3341 while (my ($k, $v) = each %{$soundconf->{event}}) {
3342 my $face = cf::face::find "sound/$v";
3343 cf::sound::set $k => $face;
3344 }
3345 }
3346});
3347
3348register_exticmd fx_want => sub {
3349 my ($ns, $want) = @_;
3350
3351 while (my ($k, $v) = each %$want) {
3352 $ns->fx_want ($k, $v);
3353 }
3354};
3355
3356sub load_resource_file($) {
3357 my $guard = lock_acquire "load_resource_file";
3358
3359 my $status = load_resource_file_ $_[0];
3360 get_slot 0.1, 100;
3361 cf::arch::commit_load;
3362
3363 $status
3364}
3365
3366sub reload_regions {
3367 # HACK to clear player env face cache, we need some signal framework
3368 # for this (global event?)
3369 %ext::player_env::MUSIC_FACE_CACHE = ();
3370
3371 load_resource_file "$MAPDIR/regions"
3372 or die "unable to load regions file\n";
3373
3374 for (cf::region::list) {
3375 $_->{match} = qr/$_->{match}/
3376 if exists $_->{match};
3377 }
3378}
3379
3380sub reload_facedata {
3381 load_facedata "$DATADIR/facedata"
3382 or die "unable to load facedata\n";
3383}
3384
3385sub reload_archetypes {
3386 load_resource_file "$DATADIR/archetypes"
3387 or die "unable to load archetypes\n";
3388}
3389
3390sub reload_treasures {
3391 load_resource_file "$DATADIR/treasures"
3392 or die "unable to load treasurelists\n";
3393}
3394
2330sub reload_resources { 3395sub reload_resources {
2331 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3396 warn "reloading resource files...\n";
2332 or die "unable to load regions file\n";#d# 3397
2333 load_facedata 3398 reload_facedata;
2334 or die "unable to load facedata\n";#d# 3399 reload_archetypes;
3400 reload_regions;
3401 reload_treasures;
3402
3403 warn "finished reloading resource files\n";
2335} 3404}
2336 3405
2337sub init { 3406sub init {
3407 my $guard = freeze_mainloop;
3408
3409 evthread_start IO::AIO::poll_fileno;
3410
2338 reload_resources; 3411 reload_resources;
2339} 3412}
2340 3413
2341sub cfg_load { 3414sub reload_config {
2342 open my $fh, "<:utf8", cf::confdir . "/config" 3415 open my $fh, "<:utf8", "$CONFDIR/config"
2343 or return; 3416 or return;
2344 3417
2345 local $/; 3418 local $/;
2346 *CFG = YAML::Syck::Load <$fh>; 3419 *CFG = YAML::Load <$fh>;
2347 3420
2348 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3421 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2349 3422
2350 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3423 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3424 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2362sub main { 3435sub main {
2363 # we must not ever block the main coroutine 3436 # we must not ever block the main coroutine
2364 local $Coro::idle = sub { 3437 local $Coro::idle = sub {
2365 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3438 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366 (async { 3439 (async {
2367 Event::one_event; 3440 $Coro::current->{desc} = "IDLE BUG HANDLER";
3441 EV::loop EV::LOOP_ONESHOT;
2368 })->prio (Coro::PRIO_MAX); 3442 })->prio (Coro::PRIO_MAX);
2369 }; 3443 };
2370 3444
2371 cfg_load; 3445 {
3446 my $guard = freeze_mainloop;
3447 reload_config;
2372 db_init; 3448 db_init;
2373 load_extensions; 3449 load_extensions;
2374 3450
2375 $TICK_WATCHER->start; 3451 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3452 }
3453
2376 Event::loop; 3454 EV::loop;
2377} 3455}
2378 3456
2379############################################################################# 3457#############################################################################
2380# initialisation and cleanup 3458# initialisation and cleanup
2381 3459
2382# install some emergency cleanup handlers 3460# install some emergency cleanup handlers
2383BEGIN { 3461BEGIN {
3462 our %SIGWATCHER = ();
2384 for my $signal (qw(INT HUP TERM)) { 3463 for my $signal (qw(INT HUP TERM)) {
2385 Event->signal ( 3464 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2386 reentrant => 0,
2387 data => WF_AUTOCANCEL,
2388 signal => $signal,
2389 prio => 0,
2390 cb => sub {
2391 cf::cleanup "SIG$signal"; 3465 cf::cleanup "SIG$signal";
2392 },
2393 ); 3466 };
3467 }
3468}
3469
3470sub write_runtime_sync {
3471 my $runtime = "$LOCALDIR/runtime";
3472
3473 # first touch the runtime file to show we are still running:
3474 # the fsync below can take a very very long time.
3475
3476 IO::AIO::aio_utime $runtime, undef, undef;
3477
3478 my $guard = cf::lock_acquire "write_runtime";
3479
3480 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3481 or return;
3482
3483 my $value = $cf::RUNTIME + 90 + 10;
3484 # 10 is the runtime save interval, for a monotonic clock
3485 # 60 allows for the watchdog to kill the server.
3486
3487 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3488 and return;
3489
3490 # always fsync - this file is important
3491 aio_fsync $fh
3492 and return;
3493
3494 # touch it again to show we are up-to-date
3495 aio_utime $fh, undef, undef;
3496
3497 close $fh
3498 or return;
3499
3500 aio_rename "$runtime~", $runtime
3501 and return;
3502
3503 warn "runtime file written.\n";
3504
2394 } 3505 1
3506}
3507
3508our $uuid_lock;
3509our $uuid_skip;
3510
3511sub write_uuid_sync($) {
3512 $uuid_skip ||= $_[0];
3513
3514 return if $uuid_lock;
3515 local $uuid_lock = 1;
3516
3517 my $uuid = "$LOCALDIR/uuid";
3518
3519 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3520 or return;
3521
3522 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3523 $uuid_skip = 0;
3524
3525 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3526 and return;
3527
3528 # always fsync - this file is important
3529 aio_fsync $fh
3530 and return;
3531
3532 close $fh
3533 or return;
3534
3535 aio_rename "$uuid~", $uuid
3536 and return;
3537
3538 warn "uuid file written ($value).\n";
3539
3540 1
3541
3542}
3543
3544sub write_uuid($$) {
3545 my ($skip, $sync) = @_;
3546
3547 $sync ? write_uuid_sync $skip
3548 : async { write_uuid_sync $skip };
2395} 3549}
2396 3550
2397sub emergency_save() { 3551sub emergency_save() {
2398 my $freeze_guard = cf::freeze_mainloop; 3552 my $freeze_guard = cf::freeze_mainloop;
2399 3553
2405 # and maps saved/destroyed asynchronously. 3559 # and maps saved/destroyed asynchronously.
2406 warn "begin emergency player save\n"; 3560 warn "begin emergency player save\n";
2407 for my $login (keys %cf::PLAYER) { 3561 for my $login (keys %cf::PLAYER) {
2408 my $pl = $cf::PLAYER{$login} or next; 3562 my $pl = $cf::PLAYER{$login} or next;
2409 $pl->valid or next; 3563 $pl->valid or next;
3564 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410 $pl->save; 3565 $pl->save;
2411 } 3566 }
2412 warn "end emergency player save\n"; 3567 warn "end emergency player save\n";
2413 3568
2414 warn "begin emergency map save\n"; 3569 warn "begin emergency map save\n";
2420 warn "end emergency map save\n"; 3575 warn "end emergency map save\n";
2421 3576
2422 warn "begin emergency database checkpoint\n"; 3577 warn "begin emergency database checkpoint\n";
2423 BDB::db_env_txn_checkpoint $DB_ENV; 3578 BDB::db_env_txn_checkpoint $DB_ENV;
2424 warn "end emergency database checkpoint\n"; 3579 warn "end emergency database checkpoint\n";
3580
3581 warn "begin write uuid\n";
3582 write_uuid_sync 1;
3583 warn "end write uuid\n";
2425 }; 3584 };
2426 3585
2427 warn "leave emergency perl save\n"; 3586 warn "leave emergency perl save\n";
2428} 3587}
2429 3588
2432 3591
2433 warn Carp::longmess "post_cleanup backtrace" 3592 warn Carp::longmess "post_cleanup backtrace"
2434 if $make_core; 3593 if $make_core;
2435} 3594}
2436 3595
3596# a safer delete_package, copied from Symbol
3597sub clear_package($) {
3598 my $pkg = shift;
3599
3600 # expand to full symbol table name if needed
3601 unless ($pkg =~ /^main::.*::$/) {
3602 $pkg = "main$pkg" if $pkg =~ /^::/;
3603 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3604 $pkg .= '::' unless $pkg =~ /::$/;
3605 }
3606
3607 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3608 my $stem_symtab = *{$stem}{HASH};
3609
3610 defined $stem_symtab and exists $stem_symtab->{$leaf}
3611 or return;
3612
3613 # clear all symbols
3614 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3615 for my $name (keys %$leaf_symtab) {
3616 _gv_clear *{"$pkg$name"};
3617# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3618 }
3619 warn "cleared package #$pkg\n";#d#
3620}
3621
3622our $RELOAD; # how many times to reload
3623
2437sub reload() { 3624sub do_reload_perl() {
2438 # can/must only be called in main 3625 # can/must only be called in main
2439 if ($Coro::current != $Coro::main) { 3626 if ($Coro::current != $Coro::main) {
2440 warn "can only reload from main coroutine"; 3627 warn "can only reload from main coroutine";
2441 return; 3628 return;
2442 } 3629 }
2443 3630
3631 return if $RELOAD++;
3632
3633 while ($RELOAD) {
2444 warn "reloading..."; 3634 warn "reloading...";
2445 3635
2446 warn "entering sync_job"; 3636 warn "entering sync_job";
2447 3637
2448 cf::sync_job { 3638 cf::sync_job {
2449 cf::write_runtime; # external watchdog should not bark 3639 cf::write_runtime_sync; # external watchdog should not bark
2450 cf::emergency_save; 3640 cf::emergency_save;
2451 cf::write_runtime; # external watchdog should not bark 3641 cf::write_runtime_sync; # external watchdog should not bark
2452 3642
2453 warn "syncing database to disk"; 3643 warn "syncing database to disk";
2454 BDB::db_env_txn_checkpoint $DB_ENV; 3644 BDB::db_env_txn_checkpoint $DB_ENV;
2455 3645
2456 # if anything goes wrong in here, we should simply crash as we already saved 3646 # if anything goes wrong in here, we should simply crash as we already saved
2457 3647
2458 warn "cancelling all WF_AUTOCANCEL watchers";
2459 for (Event::all_watchers) {
2460 $_->cancel if $_->data & WF_AUTOCANCEL;
2461 }
2462
2463 warn "flushing outstanding aio requests"; 3648 warn "flushing outstanding aio requests";
2464 for (;;) {
2465 BDB::flush;
2466 IO::AIO::flush;
2467 Coro::cede;
2468 last unless IO::AIO::nreqs || BDB::nreqs; 3649 while (IO::AIO::nreqs || BDB::nreqs) {
2469 warn "iterate..."; 3650 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2470 }
2471
2472 ++$RELOAD;
2473
2474 warn "cancelling all extension coros";
2475 $_->cancel for values %EXT_CORO;
2476 %EXT_CORO = ();
2477
2478 warn "removing commands";
2479 %COMMAND = ();
2480
2481 warn "removing ext commands";
2482 %EXTCMD = ();
2483
2484 warn "unloading/nuking all extensions";
2485 for my $pkg (@EXTS) {
2486 warn "... unloading $pkg";
2487
2488 if (my $cb = $pkg->can ("unload")) {
2489 eval {
2490 $cb->($pkg);
2491 1
2492 } or warn "$pkg unloaded, but with errors: $@";
2493 } 3651 }
2494 3652
2495 warn "... nuking $pkg"; 3653 warn "cancelling all extension coros";
2496 Symbol::delete_package $pkg; 3654 $_->cancel for values %EXT_CORO;
2497 } 3655 %EXT_CORO = ();
2498 3656
2499 warn "unloading all perl modules loaded from $LIBDIR"; 3657 warn "removing commands";
2500 while (my ($k, $v) = each %INC) { 3658 %COMMAND = ();
2501 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502 3659
3660 warn "removing ext/exti commands";
3661 %EXTCMD = ();
3662 %EXTICMD = ();
3663
3664 warn "unloading/nuking all extensions";
3665 for my $pkg (@EXTS) {
2503 warn "... unloading $k"; 3666 warn "... unloading $pkg";
2504 delete $INC{$k};
2505 3667
2506 $k =~ s/\.pm$//;
2507 $k =~ s/\//::/g;
2508
2509 if (my $cb = $k->can ("unload_module")) { 3668 if (my $cb = $pkg->can ("unload")) {
3669 eval {
2510 $cb->(); 3670 $cb->($pkg);
3671 1
3672 } or warn "$pkg unloaded, but with errors: $@";
3673 }
3674
3675 warn "... clearing $pkg";
3676 clear_package $pkg;
2511 } 3677 }
2512 3678
2513 Symbol::delete_package $k; 3679 warn "unloading all perl modules loaded from $LIBDIR";
3680 while (my ($k, $v) = each %INC) {
3681 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3682
3683 warn "... unloading $k";
3684 delete $INC{$k};
3685
3686 $k =~ s/\.pm$//;
3687 $k =~ s/\//::/g;
3688
3689 if (my $cb = $k->can ("unload_module")) {
3690 $cb->();
3691 }
3692
3693 clear_package $k;
2514 } 3694 }
2515 3695
2516 warn "getting rid of safe::, as good as possible"; 3696 warn "getting rid of safe::, as good as possible";
2517 Symbol::delete_package "safe::$_" 3697 clear_package "safe::$_"
2518 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3698 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519 3699
2520 warn "unloading cf.pm \"a bit\""; 3700 warn "unloading cf.pm \"a bit\"";
2521 delete $INC{"cf.pm"}; 3701 delete $INC{"cf.pm"};
3702 delete $INC{"cf/pod.pm"};
2522 3703
2523 # don't, removes xs symbols, too, 3704 # don't, removes xs symbols, too,
2524 # and global variables created in xs 3705 # and global variables created in xs
2525 #Symbol::delete_package __PACKAGE__; 3706 #clear_package __PACKAGE__;
2526 3707
2527 warn "unload completed, starting to reload now"; 3708 warn "unload completed, starting to reload now";
2528 3709
2529 warn "reloading cf.pm"; 3710 warn "reloading cf.pm";
2530 require cf; 3711 require cf;
2531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3712 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532 3713
2533 warn "loading config and database again"; 3714 warn "loading config and database again";
2534 cf::cfg_load; 3715 cf::reload_config;
2535 3716
2536 warn "loading extensions"; 3717 warn "loading extensions";
2537 cf::load_extensions; 3718 cf::load_extensions;
2538 3719
2539 warn "reattaching attachments to objects/players"; 3720 warn "reattaching attachments to objects/players";
2540 _global_reattach; # objects, sockets 3721 _global_reattach; # objects, sockets
2541 warn "reattaching attachments to maps"; 3722 warn "reattaching attachments to maps";
2542 reattach $_ for values %MAP; 3723 reattach $_ for values %MAP;
2543 warn "reattaching attachments to players"; 3724 warn "reattaching attachments to players";
2544 reattach $_ for values %PLAYER; 3725 reattach $_ for values %PLAYER;
2545 3726
2546 warn "loading reloadable resources";
2547 reload_resources;
2548
2549 warn "leaving sync_job"; 3727 warn "leaving sync_job";
2550 3728
2551 1 3729 1
2552 } or do { 3730 } or do {
2553 warn $@; 3731 warn $@;
2554 warn "error while reloading, exiting."; 3732 cf::cleanup "error while reloading, exiting.";
2555 exit 1; 3733 };
3734
3735 warn "reloaded";
3736 --$RELOAD;
3737 }
3738};
3739
3740our $RELOAD_WATCHER; # used only during reload
3741
3742sub reload_perl() {
3743 # doing reload synchronously and two reloads happen back-to-back,
3744 # coro crashes during coro_state_free->destroy here.
3745
3746 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3747 do_reload_perl;
3748 undef $RELOAD_WATCHER;
2556 }; 3749 };
2557 3750}
2558 warn "reloaded";
2559};
2560
2561our $RELOAD_WATCHER; # used only during reload
2562 3751
2563register_command "reload" => sub { 3752register_command "reload" => sub {
2564 my ($who, $arg) = @_; 3753 my ($who, $arg) = @_;
2565 3754
2566 if ($who->flag (FLAG_WIZ)) { 3755 if ($who->flag (FLAG_WIZ)) {
2567 $who->message ("reloading server."); 3756 $who->message ("reloading server.");
2568 3757 async {
2569 # doing reload synchronously and two reloads happen back-to-back, 3758 $Coro::current->{desc} = "perl_reload";
2570 # coro crashes during coro_state_free->destroy here.
2571
2572 $RELOAD_WATCHER ||= Event->timer (
2573 reentrant => 0,
2574 after => 0,
2575 data => WF_AUTOCANCEL,
2576 cb => sub {
2577 reload; 3759 reload_perl;
2578 undef $RELOAD_WATCHER;
2579 },
2580 ); 3760 };
2581 } 3761 }
2582}; 3762};
2583 3763
2584unshift @INC, $LIBDIR; 3764unshift @INC, $LIBDIR;
2585 3765
2586my $bug_warning = 0; 3766my $bug_warning = 0;
2587 3767
2588$TICK_WATCHER = Event->timer ( 3768our @WAIT_FOR_TICK;
2589 reentrant => 0, 3769our @WAIT_FOR_TICK_BEGIN;
2590 parked => 1, 3770
2591 prio => 0, 3771sub wait_for_tick {
2592 at => $NEXT_TICK || $TICK, 3772 return if tick_inhibit || $Coro::current == $Coro::main;
2593 data => WF_AUTOCANCEL, 3773
2594 cb => sub { 3774 my $signal = new Coro::Signal;
3775 push @WAIT_FOR_TICK, $signal;
3776 $signal->wait;
3777}
3778
3779sub wait_for_tick_begin {
3780 return if tick_inhibit || $Coro::current == $Coro::main;
3781
3782 my $signal = new Coro::Signal;
3783 push @WAIT_FOR_TICK_BEGIN, $signal;
3784 $signal->wait;
3785}
3786
3787sub tick {
2595 if ($Coro::current != $Coro::main) { 3788 if ($Coro::current != $Coro::main) {
2596 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3789 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597 unless ++$bug_warning > 10; 3790 unless ++$bug_warning > 10;
2598 return; 3791 return;
2599 } 3792 }
2600 3793
2601 $NOW = Event::time;
2602
2603 cf::server_tick; # one server iteration 3794 cf::server_tick; # one server iteration
2604 $RUNTIME += $TICK;
2605 $NEXT_TICK += $TICK;
2606 3795
2607 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3796 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608 $NEXT_RUNTIME_WRITE = $NOW + 10; 3797 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609 Coro::async_pool { 3798 Coro::async_pool {
3799 $Coro::current->{desc} = "runtime saver";
2610 write_runtime 3800 write_runtime_sync
2611 or warn "ERROR: unable to write runtime file: $!"; 3801 or warn "ERROR: unable to write runtime file: $!";
2612 };
2613 } 3802 };
2614
2615 $WAIT_FOR_TICK->broadcast;
2616 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618# my $AFTER = Event::time;
2619# warn $AFTER - $NOW;#d#
2620
2621 # if we are delayed by four ticks or more, skip them all
2622 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624 $TICK_WATCHER->at ($NEXT_TICK);
2625 $TICK_WATCHER->start;
2626 }, 3803 }
2627); 3804
3805 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3806 $sig->send;
3807 }
3808 while (my $sig = shift @WAIT_FOR_TICK) {
3809 $sig->send;
3810 }
3811
3812 $LOAD = ($NOW - $TICK_START) / $TICK;
3813 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3814
3815 if (0) {
3816 if ($NEXT_TICK) {
3817 my $jitter = $TICK_START - $NEXT_TICK;
3818 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3819 warn "jitter $JITTER\n";#d#
3820 }
3821 }
3822}
2628 3823
2629{ 3824{
2630 BDB::max_poll_time $TICK * 0.1; 3825 # configure BDB
2631 $BDB_POLL_WATCHER = Event->io ( 3826
2632 reentrant => 0,
2633 fd => BDB::poll_fileno,
2634 poll => 'r',
2635 prio => 0,
2636 data => WF_AUTOCANCEL,
2637 cb => \&BDB::poll_cb,
2638 );
2639 BDB::min_parallel 8; 3827 BDB::min_parallel 8;
2640 3828 BDB::max_poll_reqs $TICK * 0.1;
2641 BDB::set_sync_prepare { 3829 $AnyEvent::BDB::WATCHER->priority (1);
2642 my $status;
2643 my $current = $Coro::current;
2644 (
2645 sub {
2646 $status = $!;
2647 $current->ready; undef $current;
2648 },
2649 sub {
2650 Coro::schedule while defined $current;
2651 $! = $status;
2652 },
2653 )
2654 };
2655 3830
2656 unless ($DB_ENV) { 3831 unless ($DB_ENV) {
2657 $DB_ENV = BDB::db_env_create; 3832 $DB_ENV = BDB::db_env_create;
3833 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3834 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3835 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3836 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3837 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658 3838
2659 cf::sync_job { 3839 cf::sync_job {
2660 eval { 3840 eval {
2661 BDB::db_env_open 3841 BDB::db_env_open
2662 $DB_ENV, 3842 $DB_ENV,
2663 $BDB_ENV_DIR, 3843 $BDBDIR,
2664 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3844 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3845 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666 0666; 3846 0666;
2667 3847
2668 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3848 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671 $DB_ENV->set_lk_detect;
2672 }; 3849 };
2673 3850
2674 cf::cleanup "db_env_open(db): $@" if $@; 3851 cf::cleanup "db_env_open(db): $@" if $@;
2675 }; 3852 };
2676 } 3853 }
3854
3855 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3856 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3857 };
3858 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3859 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3860 };
3861 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3862 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3863 };
2677} 3864}
2678 3865
2679{ 3866{
3867 # configure IO::AIO
3868
2680 IO::AIO::min_parallel 8; 3869 IO::AIO::min_parallel 8;
2681
2682 undef $Coro::AIO::WATCHER;
2683 IO::AIO::max_poll_time $TICK * 0.1; 3870 IO::AIO::max_poll_time $TICK * 0.1;
2684 $AIO_POLL_WATCHER = Event->io ( 3871 undef $AnyEvent::AIO::WATCHER;
2685 reentrant => 0,
2686 data => WF_AUTOCANCEL,
2687 fd => IO::AIO::poll_fileno,
2688 poll => 'r',
2689 prio => 6,
2690 cb => \&IO::AIO::poll_cb,
2691 );
2692} 3872}
3873
3874my $_log_backtrace;
3875
3876sub _log_backtrace {
3877 my ($msg, @addr) = @_;
3878
3879 $msg =~ s/\n//;
3880
3881 # limit the # of concurrent backtraces
3882 if ($_log_backtrace < 2) {
3883 ++$_log_backtrace;
3884 async {
3885 $Coro::current->{desc} = "abt $msg";
3886
3887 my @bt = fork_call {
3888 @addr = map { sprintf "%x", $_ } @addr;
3889 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3890 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3891 or die "addr2line: $!";
3892
3893 my @funcs;
3894 my @res = <$fh>;
3895 chomp for @res;
3896 while (@res) {
3897 my ($func, $line) = splice @res, 0, 2, ();
3898 push @funcs, "[$func] $line";
3899 }
3900
3901 @funcs
3902 };
3903
3904 LOG llevInfo, "[ABT] $msg\n";
3905 LOG llevInfo, "[ABT] $_\n" for @bt;
3906 --$_log_backtrace;
3907 };
3908 } else {
3909 LOG llevInfo, "[ABT] $msg\n";
3910 LOG llevInfo, "[ABT] [suppressed]\n";
3911 }
3912}
3913
3914# load additional modules
3915use cf::pod;
2693 3916
2694END { cf::emergency_save } 3917END { cf::emergency_save }
2695 3918
26961 39191
2697 3920

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