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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 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;
21use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
22 50
51use JSON::XS 2.01 ();
23use BDB (); 52use BDB ();
24use Data::Dumper; 53use Data::Dumper;
25use Digest::MD5; 54use Digest::MD5;
26use Fcntl; 55use Fcntl;
27use YAML::Syck (); 56use YAML ();
28use IO::AIO 2.32 (); 57use IO::AIO ();
29use Time::HiRes; 58use Time::HiRes;
30use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
31 63
32# configure various modules to our taste 64# configure various modules to our taste
33# 65#
34$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
35Coro::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
36Compress::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
37 69
38$Event::Eval = 1; # no idea why this is required, but it is
39
40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41$YAML::Syck::ImplicitUnicode = 1;
42
43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44 71
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46 73
47our %COMMAND = (); 74our %COMMAND = ();
48our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
49 76
50our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
54 82
55our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
56our @EVENT; 84our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 85
59our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
60our $TICK_WATCHER; 87our $DATADIR = datadir;
61our $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(!)
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 101our $NEXT_TICK;
64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
66 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
67our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 107our $DB_ENV;
69 108
70our %CFG; 109our %CFG;
71 110
72our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 112our $RUNTIME;
113our $NOW;
74 114
75our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83 118
84# 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 ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86 121
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 $TICK_START; # for load detecting purposes
126
87binmode STDOUT; 127binmode STDOUT;
88binmode STDERR; 128binmode STDERR;
89 129
90# read virtual server time, if available 130# read virtual server time, if available
91unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
93 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
94 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
95} 135}
96 136
97mkdir cf::localdir; 137mkdir $_
98mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99mkdir cf::localdir . "/" . cf::tmpdir;
100mkdir cf::localdir . "/" . cf::uniquedir;
101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
103 139
104our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
105 141
106sub cf::map::normalise; 142sub cf::map::normalise;
107 143
118=item $cf::RUNTIME 154=item $cf::RUNTIME
119 155
120The 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
121every server tick. 157every server tick.
122 158
123=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
124 162
125The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
126be 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.
127 167
128=item $cf::NOW 168=item $cf::NOW
129 169
130The time of the last (current) server tick. 170The time of the last (current) server tick.
131 171
132=item $cf::TICK 172=item $cf::TICK
133 173
134The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
135 175
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
136=item %cf::CFG 186=item %cf::CFG
137 187
138Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139from wherever your confdir points to. 189from wherever your confdir points to.
140 190
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
142 192
143These 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
144or 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
145processing 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.
146window 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.
147 202
148=back 203=back
149 204
150=cut 205=cut
151 206
152BEGIN { 207BEGIN {
153 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
154 my $msg = join "", @_; 209 my $msg = join "", @_;
155 utf8::encode $msg;
156 210
157 $msg .= "\n" 211 $msg .= "\n"
158 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
159 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
160 LOG llevError, $msg; 216 LOG llevError, $msg;
161 }; 217 };
162} 218}
219
220$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#?
163 234
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@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';
169@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)
170 242
171# 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
172# within the Safe compartment. 244# within the Safe compartment.
173for my $pkg (qw( 245for my $pkg (qw(
174 cf::global cf::attachable 246 cf::global cf::attachable
175 cf::object cf::object::player 247 cf::object cf::object::player
176 cf::client cf::player 248 cf::client cf::player
177 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
178 cf::map cf::party cf::region 251 cf::party cf::region
179)) { 252)) {
180 no strict 'refs';
181 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182} 254}
183 255
184$Event::DIED = sub { 256$EV::DIED = sub {
185 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
186}; 258};
259
260#############################################################################
187 261
188=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
189 263
190=over 4 264=over 4
191 265
210 $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;
211 $d 285 $d
212 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
213} 287}
214 288
215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
218 290
219Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
220 292
221=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
222 294
223Converts 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]) }
224 303
225=item cf::lock_wait $string 304=item cf::lock_wait $string
226 305
227Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
228 307
231Wait 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
232a 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,
233for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
234returned. 313returned.
235 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
236Lock 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
237uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
238 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
239=cut 325=cut
240 326
241our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
242 329
243sub lock_wait($) { 330sub lock_wait($) {
244 my ($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#
245 337
246 # wait for lock, if any 338 # wait for lock, if any
247 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
248 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
249 Coro::schedule; 341 Coro::schedule;
255 347
256 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
257 lock_wait $key; 349 lock_wait $key;
258 350
259 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
260 353
261 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
262 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
264 } 358 }
265} 359}
266 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
267sub freeze_mainloop { 367sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
269 369
270 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
271 $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($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
272 }; 431 }
273 $TICK_WATCHER->stop; 432};
274 $guard 433
434sub get_slot($;$$) {
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 $sig->wait;
275} 446}
276 447
277=item cf::async { BLOCK } 448=item cf::async { BLOCK }
278 449
279Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
284 455
285BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
286 457
287=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
288 459
289The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
290always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
291reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
292 464
293If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
294the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
295server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
296fast or be very important. 468fast or be very important.
299 471
300sub sync_job(&) { 472sub sync_job(&) {
301 my ($job) = @_; 473 my ($job) = @_;
302 474
303 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
304 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
306 480
307 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
308 # (but this is cancel-safe) 482
309 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
310 484
311 my $busy = 1; 485 my $busy = 1;
312 my @res; 486 my @res;
313 487
314 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
315 @res = eval { $job->() }; 490 @res = eval { $job->() };
316 warn $@ if $@; 491 warn $@ if $@;
317 undef $busy; 492 undef $busy;
318 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
319 494
320 while ($busy) { 495 while ($busy) {
321 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
322 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
323 506
324 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
325 } else { 508 } else {
326 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
327 510
347 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
348 531
349 $coro 532 $coro
350} 533}
351 534
352sub write_runtime { 535=item fork_call { }, $args
353 my $guard = cf::lock_acquire "write_runtime";
354 536
355 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.
356 541
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542=cut
358 or return;
359 543
360 my $value = $cf::RUNTIME + 90 + 10; 544sub fork_call(&@) {
361 # 10 is the runtime save interval, for a monotonic clock 545 my ($cb, @args) = @_;
362 # 60 allows for the watchdog to kill the server.
363 546
364 (aio_write $fh, 0, (length $value), $value, 0) <= 0 547 # we seemingly have to make a local copy of the whole thing,
365 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
366 550
367 # always fsync - this file is important 551 my @res = Coro::Util::fork_eval {
368 aio_fsync $fh 552 reset_signals;
369 and return; 553 &$cb
554 }, @args;
370 555
371 close $fh 556 wantarray ? @res : $res[-1]
372 or return; 557}
373 558
374 aio_rename "$runtime~", $runtime 559=item $coin = coin_from_name $name
375 and return;
376 560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
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($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
377 1 635 }
636}
637
638sub db_put($$$) {
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"
378} 711}
379 712
380=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
381 714
382Log 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.
400attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
401to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
402 735
403In 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>
404C<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
405crossfire+). 738Deliantra).
406 739
407=over 4 740=over 4
408 741
409=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
410 743
573 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
574 907
575 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 912
580 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 914 my $pkg = shift @arg;
582 915
583 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
612 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
613 } 946 }
614 947
615 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
616 } else { 949 } else {
617 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
618 } 951 }
619 952
620 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
621} 954}
622 955
624 if (ref $_[0]) { 957 if (ref $_[0]) {
625 _object_attach @_; 958 _object_attach @_;
626 } else { 959 } else {
627 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
628 } 961 }
962 _recalc_want;
629}; 963};
630 964
631# all those should be optimised 965# all those should be optimised
632sub cf::attachable::detach { 966sub cf::attachable::detach {
633 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
636 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
637 reattach ($obj); 971 reattach ($obj);
638 } else { 972 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
640 } 974 }
975 _recalc_want;
641}; 976};
642 977
643sub cf::attachable::attached { 978sub cf::attachable::attached {
644 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
645 980
660 "; 995 ";
661 die if $@; 996 die if $@;
662} 997}
663 998
664our $override; 999our $override;
665our @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?
666 1001
667sub override { 1002sub override {
668 $override = 1; 1003 $override = 1;
669 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
670} 1005}
671 1006
672sub do_invoke { 1007sub do_invoke {
673 my $event = shift; 1008 my $event = shift;
674 my $callbacks = shift; 1009 my $callbacks = shift;
675 1010
676 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
677 1012
678 local $override; 1013 local $override;
679 1014
680 for (@$callbacks) { 1015 for (@$callbacks) {
681 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
690 } 1025 }
691 1026
692 0 1027 0
693} 1028}
694 1029
695=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696 1031
697=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698 1033
699Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
700 1035
701This 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
702removed 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
703results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704 1039
705=back 1040=back
706 1041
707=cut 1042=cut
708 1043
709############################################################################# 1044#############################################################################
710# 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, $ob2
1087}
711 1088
712sub reattach { 1089sub reattach {
713 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
714 my ($obj) = @_; 1091 my ($obj) = @_;
715 1092
1093 # no longer needed after getting rid of delete_package?
716 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
717 1095
718 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
719 1097
720 @$registry = (); 1098 @$registry = ();
721 1099
736cf::attachable->attach ( 1114cf::attachable->attach (
737 prio => -1000000, 1115 prio => -1000000,
738 on_instantiate => sub { 1116 on_instantiate => sub {
739 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
740 1118
741 $data = from_json $data; 1119 $data = decode_json $data;
742 1120
743 for (@$data) { 1121 for (@$data) {
744 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
745 1123
746 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
762sub object_freezer_save { 1140sub object_freezer_save {
763 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
764 1142
765 sync_job { 1143 sync_job {
766 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
767 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
768 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
769 1148
770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
772 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
774 close $fh; 1153 aio_close $fh;
775 1154
776 if (@$objs) { 1155 if (@$objs) {
777 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) {
778 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
779 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
781 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
782 close $fh; 1161 aio_close $fh;
783 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
784 } 1163 }
785 } else { 1164 } else {
786 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
787 } 1166 }
792 } 1171 }
793 } else { 1172 } else {
794 aio_unlink $filename; 1173 aio_unlink $filename;
795 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
796 } 1175 }
797 } 1176 };
798} 1177}
799 1178
800sub object_freezer_as_string { 1179sub object_freezer_as_string {
801 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
802 1181
814 or return; 1193 or return;
815 1194
816 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
817 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
818 or return; 1197 or return;
1198
819 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
820 } 1201 }
821 1202
1203 utf8::decode (my $decname = $filename);
822 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
824 return ($data, $av); 1207 ($data, $av)
825} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
826 1215
827############################################################################# 1216#############################################################################
828# command handling &c 1217# command handling &c
829 1218
830=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
843 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
844} 1233}
845 1234
846=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
847 1236
848Register 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.
849 1242
850If 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
851called. 1244called.
852 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
853=cut 1257=cut
854 1258
855sub register_extcmd { 1259sub register_extcmd {
856 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
857 1261
858 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
859} 1269}
860 1270
861cf::player->attach ( 1271cf::player->attach (
862 on_command => sub { 1272 on_command => sub {
863 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
872 cf::override; 1282 cf::override;
873 }, 1283 },
874 on_extcmd => sub { 1284 on_extcmd => sub {
875 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
876 1286
877 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878 1288
879 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
880 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
881 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
882 $pl->ext_reply ($msg->{msgid}, %reply);
883 }
884 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
885 } else { 1304 } else {
886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887 } 1306 }
888 1307
889 cf::override; 1308 cf::override;
890 }, 1309 },
891); 1310);
892 1311
893sub load_extension {
894 my ($path) = @_;
895
896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
897 my $base = $1;
898 my $pkg = $1;
899 $pkg =~ s/[^[:word:]]/_/g;
900 $pkg = "ext::$pkg";
901
902 warn "... loading '$path' into '$pkg'\n";
903
904 open my $fh, "<:utf8", $path
905 or die "$path: $!";
906
907 my $source =
908 "package $pkg; use strict; use utf8;\n"
909 . "#line 1 \"$path\"\n{\n"
910 . (do { local $/; <$fh> })
911 . "\n};\n1";
912
913 unless (eval $source) {
914 my $msg = $@ ? "$path: $@\n"
915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
923
924 push @EXTS, $pkg;
925}
926
927sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
928 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
929 next unless -r $ext; 1317 next unless -r $path;
930 eval { 1318
931 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 $progress = 1;
932 1 1375 }
933 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
934 } 1381 };
935} 1382}
936 1383
937############################################################################# 1384#############################################################################
938 1385
1386=back
1387
939=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
940 1389
941Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
942 1391
943=cut 1392=cut
948 1397
949=head3 cf::player 1398=head3 cf::player
950 1399
951=over 4 1400=over 4
952 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
953=item cf::player::find $login 1416=item cf::player::find $login
954 1417
955Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
956 1419
957=cut 1420=cut
958 1421
959sub playerdir($) { 1422sub playerdir($) {
960 cf::localdir 1423 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1424 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1425}
966 1426
967sub path($) { 1427sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1428 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl"; 1458 aio_unlink +(playerdir $login) . "/$login.pl";
999 1459
1000 my $pl = load_pl path $login 1460 my $f = new_from_file cf::object::thawer path $login
1001 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;
1002 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1003 } 1469 }
1004 } 1470 }
1005} 1471}
1006 1472
1015 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1016 1482
1017 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1018 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1019 1485
1486 cf::get_slot 0.01;
1487
1020 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1021 Coro::cede; 1489 cf::cede_to_tick;
1022} 1490}
1023 1491
1024sub new($) { 1492sub new($) {
1025 my ($login) = @_; 1493 my ($login) = @_;
1026 1494
1032 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1033 1501
1034 $self 1502 $self
1035} 1503}
1036 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
1037=item $pl->quit_character 1515=item $pl->quit_character
1038 1516
1039Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1040be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1041 1519
1045 my ($pl) = @_; 1523 my ($pl) = @_;
1046 1524
1047 my $name = $pl->ob->name; 1525 my $name = $pl->ob->name;
1048 1526
1049 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1050 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1051 1529
1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1054 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1055 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1056 1536
1057 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1058 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1088while and may block, so not sync_job-capable, ever. 1568while and may block, so not sync_job-capable, ever.
1089 1569
1090=cut 1570=cut
1091 1571
1092sub list_logins { 1572sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1573 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1574 or return [];
1095 1575
1096 my @logins; 1576 my @logins;
1097 1577
1098 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") {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1102 1588
1103 utf8::decode $login; 1589 utf8::decode $login;
1104 push @logins, $login; 1590 push @logins, $login;
1105 } 1591 }
1106 1592
1133 } 1619 }
1134 1620
1135 \@paths 1621 \@paths
1136} 1622}
1137 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
1138=item $player->ext_reply ($msgid, %msg) 1719=item $player->ext_reply ($msgid, @msg)
1139 1720
1140Sends an ext reply to the player. 1721Sends an ext reply to the player.
1141 1722
1142=cut 1723=cut
1143 1724
1144sub ext_reply($$%) { 1725sub ext_reply($$@) {
1145 my ($self, $id, %msg) = @_; 1726 my ($self, $id, @msg) = @_;
1146 1727
1147 $msg{msgid} = $id; 1728 $self->ns->ext_reply ($id, @msg)
1148
1149 $self->send ("ext " . cf::to_json \%msg);
1150} 1729}
1151 1730
1152=item $player->ext_event ($type, %msg) 1731=item $player->ext_msg ($type, @msg)
1153 1732
1154Sends an ext event to the client. 1733Sends an ext event to the client.
1155 1734
1156=cut 1735=cut
1157 1736
1158sub ext_event($$%) { 1737sub ext_msg($$@) {
1159 my ($self, $type, %msg) = @_; 1738 my ($self, $type, @msg) = @_;
1160 1739
1161 $self->ns->ext_event ($type, %msg); 1740 $self->ns->ext_msg ($type, @msg);
1162} 1741}
1163 1742
1164=head3 cf::region 1743=head3 cf::region
1165 1744
1166=over 4 1745=over 4
1169 1748
1170package cf::region; 1749package cf::region;
1171 1750
1172=item cf::region::find_by_path $path 1751=item cf::region::find_by_path $path
1173 1752
1174Tries to decuce the probable region for a map knowing only its path. 1753Tries to decuce the likely region for a map knowing only its path.
1175 1754
1176=cut 1755=cut
1177 1756
1178sub find_by_path($) { 1757sub find_by_path($) {
1179 my ($path) = @_; 1758 my ($path) = @_;
1180 1759
1181 my ($match, $specificity); 1760 my ($match, $specificity);
1182 1761
1183 for my $region (list) { 1762 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) { 1763 if ($region->{match} && $path =~ $region->{match}) {
1185 ($match, $specificity) = ($region, $region->specificity) 1764 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity; 1765 if $region->specificity > $specificity;
1187 } 1766 }
1188 } 1767 }
1189 1768
1210our $MAX_RESET = 3600; 1789our $MAX_RESET = 3600;
1211our $DEFAULT_RESET = 3000; 1790our $DEFAULT_RESET = 3000;
1212 1791
1213sub generate_random_map { 1792sub generate_random_map {
1214 my ($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
1215 # mit "rum" bekleckern, nicht 1797 # mit "rum" bekleckern, nicht
1216 $self->_create_random_map ( 1798 $self->_create_random_map (
1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1799 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1800 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1801 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1253 my ($self, $merge) = @_; 1835 my ($self, $merge) = @_;
1254 1836
1255 # we have to keep some variables in memory intact 1837 # we have to keep some variables in memory intact
1256 local $self->{path}; 1838 local $self->{path};
1257 local $self->{load_path}; 1839 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260 1840
1261 $self->SUPER::thawer_merge ($merge); 1841 $self->SUPER::thawer_merge ($merge);
1262} 1842}
1263 1843
1264sub normalise { 1844sub normalise {
1311 $self->init; # pass $1 etc. 1891 $self->init; # pass $1 etc.
1312 return $self; 1892 return $self;
1313 } 1893 }
1314 } 1894 }
1315 1895
1316 Carp::carp "unable to resolve path '$path' (base '$base')."; 1896 Carp::cluck "unable to resolve path '$path' (base '$base').";
1317 () 1897 ()
1318} 1898}
1319 1899
1320sub init { 1900sub init {
1321 my ($self) = @_; 1901 my ($self) = @_;
1336 1916
1337# the original (read-only) location 1917# the original (read-only) location
1338sub load_path { 1918sub load_path {
1339 my ($self) = @_; 1919 my ($self) = @_;
1340 1920
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1921 "$MAPDIR/$self->{path}.map"
1342} 1922}
1343 1923
1344# the temporary/swap location 1924# the temporary/swap location
1345sub save_path { 1925sub save_path {
1346 my ($self) = @_; 1926 my ($self) = @_;
1347 1927
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1929 "$TMPDIR/$path.map"
1350} 1930}
1351 1931
1352# the unique path, undef == no special unique path 1932# the unique path, undef == no special unique path
1353sub uniq_path { 1933sub uniq_path {
1354 my ($self) = @_; 1934 my ($self) = @_;
1355 1935
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1936 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1937 "$UNIQUEDIR/$path"
1358} 1938}
1359 1939
1360# and all this just because we cannot iterate over 1940# and all this just because we cannot iterate over
1361# all maps in C++... 1941# all maps in C++...
1362sub change_all_map_light { 1942sub change_all_map_light {
1364 1944
1365 $_->change_map_light ($change) 1945 $_->change_map_light ($change)
1366 for grep $_->outdoor, values %cf::MAP; 1946 for grep $_->outdoor, values %cf::MAP;
1367} 1947}
1368 1948
1949sub decay_objects {
1950 my ($self) = @_;
1951
1952 return if $self->{deny_reset};
1953
1954 $self->do_decay_objects;
1955}
1956
1369sub unlink_save { 1957sub unlink_save {
1370 my ($self) = @_; 1958 my ($self) = @_;
1371 1959
1372 utf8::encode (my $save = $self->save_path); 1960 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1961 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1376 1964
1377sub load_header_from($) { 1965sub load_header_from($) {
1378 my ($self, $path) = @_; 1966 my ($self, $path) = @_;
1379 1967
1380 utf8::encode $path; 1968 utf8::encode $path;
1381 #aio_open $path, O_RDONLY, 0 1969 my $f = new_from_file cf::object::thawer $path
1382 # or return;
1383
1384 $self->_load_header ($path)
1385 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;
1386 1977
1387 $self->{load_path} = $path; 1978 $self->{load_path} = $path;
1388 1979
1389 1 1980 1
1390} 1981}
1429 $self->load_header_orig 2020 $self->load_header_orig
1430 or return; 2021 or return;
1431 $self->prepare_orig; 2022 $self->prepare_orig;
1432 } 2023 }
1433 2024
2025 $self->{deny_reset} = 1
2026 if $self->no_reset;
2027
1434 $self->default_region (cf::region::find_by_path $self->{path}) 2028 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region; 2029 unless $self->default_region;
1436 2030
1437 1 2031 1
1438} 2032}
1441sub find { 2035sub find {
1442 my ($path, $origin) = @_; 2036 my ($path, $origin) = @_;
1443 2037
1444 $path = normalise $path, $origin && $origin->path; 2038 $path = normalise $path, $origin && $origin->path;
1445 2039
2040 cf::lock_wait "map_data:$path";#d#remove
1446 cf::lock_wait "map_find:$path"; 2041 cf::lock_wait "map_find:$path";
1447 2042
1448 $cf::MAP{$path} || do { 2043 $cf::MAP{$path} || do {
2044 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449 my $guard = cf::lock_acquire "map_find:$path"; 2045 my $guard2 = cf::lock_acquire "map_find:$path";
2046
1450 my $map = new_from_path cf::map $path 2047 my $map = new_from_path cf::map $path
1451 or return; 2048 or return;
1452 2049
1453 $map->{last_save} = $cf::RUNTIME; 2050 $map->{last_save} = $cf::RUNTIME;
1454 2051
1455 $map->load_header 2052 $map->load_header
1456 or return; 2053 or return;
1457 2054
1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2055 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously 2056 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait; 2057 #$cf::WAIT_FOR_TICK->wait;
2058 undef $guard2;
2059 undef $guard1;
1461 $map->reset; 2060 $map->reset;
1462 undef $guard;
1463 return find $path; 2061 return find $path;
1464 } 2062 }
1465 2063
1466 $cf::MAP{$path} = $map 2064 $cf::MAP{$path} = $map
1467 } 2065 }
1474 my ($self) = @_; 2072 my ($self) = @_;
1475 2073
1476 local $self->{deny_reset} = 1; # loading can take a long time 2074 local $self->{deny_reset} = 1; # loading can take a long time
1477 2075
1478 my $path = $self->{path}; 2076 my $path = $self->{path};
2077
2078 {
1479 my $guard = cf::lock_acquire "map_load:$path"; 2079 my $guard = cf::lock_acquire "map_data:$path";
1480 2080
2081 return unless $self->valid;
1481 return if $self->in_memory != cf::MAP_SWAPPED; 2082 return unless $self->in_memory == cf::MAP_SWAPPED;
1482 2083
1483 $self->in_memory (cf::MAP_LOADING); 2084 $self->in_memory (cf::MAP_LOADING);
1484 2085
1485 $self->alloc; 2086 $self->alloc;
1486 2087
1487 $self->pre_load; 2088 $self->pre_load;
2089 cf::cede_to_tick;
1488 2090
1489 $self->_load_objects ($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)
1490 or return; 2094 or return;
1491 2095
1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2096 $self->post_load_original
1493 if delete $self->{load_original}; 2097 if delete $self->{load_original};
1494 2098
1495 if (my $uniq = $self->uniq_path) { 2099 if (my $uniq = $self->uniq_path) {
1496 utf8::encode $uniq; 2100 utf8::encode $uniq;
1497 if (aio_open $uniq, O_RDONLY, 0) { 2101 unless (aio_stat $uniq) {
2102 if (my $f = new_from_file cf::object::thawer $uniq) {
1498 $self->clear_unique_items; 2103 $self->clear_unique_items;
1499 $self->_load_objects ($uniq, 0); 2104 $self->_load_objects ($f);
2105 $f->resolve_delayed_derefs;
2106 }
1500 } 2107 }
1501 } 2108 }
1502 2109
1503 Coro::cede; 2110 $f->resolve_delayed_derefs;
1504 2111
2112 cf::cede_to_tick;
1505 # now do the right thing for maps 2113 # now do the right thing for maps
1506 $self->link_multipart_objects; 2114 $self->link_multipart_objects;
1507
1508 unless ($self->{deny_activate}) {
1509 $self->decay_objects;
1510 $self->fix_auto_apply;
1511 $self->update_buttons;
1512 Coro::cede;
1513 $self->set_darkness_map;
1514 $self->difficulty ($self->estimate_difficulty) 2115 $self->difficulty ($self->estimate_difficulty)
1515 unless $self->difficulty; 2116 unless $self->difficulty;
1516 Coro::cede; 2117 cf::cede_to_tick;
2118
2119 unless ($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;
1517 $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);
1518 } 2133 }
1519 2134
1520 $self->post_load; 2135 $self->post_load;
1521
1522 $self->in_memory (cf::MAP_IN_MEMORY);
1523} 2136}
1524 2137
1525sub customise_for { 2138sub customise_for {
1526 my ($self, $ob) = @_; 2139 my ($self, $ob) = @_;
1527 2140
1528 return find "~" . $ob->name . "/" . $self->{path} 2141 return find "~" . $ob->name . "/" . $self->{path}
1529 if $self->per_player; 2142 if $self->per_player;
1530 2143
2144# return find "?party/" . $ob->name . "/" . $self->{path}
2145# if $self->per_party;
2146
1531 $self 2147 $self
1532} 2148}
1533 2149
1534# find and load all maps in the 3x3 area around a map 2150# find and load all maps in the 3x3 area around a map
1535sub load_diag { 2151sub load_neighbours {
1536 my ($map) = @_; 2152 my ($map) = @_;
1537 2153
1538 my @diag; # diagonal neighbours 2154 my @neigh; # diagonal neighbours
1539 2155
1540 for (0 .. 3) { 2156 for (0 .. 3) {
1541 my $neigh = $map->tile_path ($_) 2157 my $neigh = $map->tile_path ($_)
1542 or next; 2158 or next;
1543 $neigh = find $neigh, $map 2159 $neigh = find $neigh, $map
1544 or next; 2160 or next;
1545 $neigh->load; 2161 $neigh->load;
1546 2162
2163 push @neigh,
1547 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2164 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1548 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2165 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1549 } 2166 }
1550 2167
1551 for (@diag) { 2168 for (grep defined $_->[0], @neigh) {
2169 my ($path, $origin) = @$_;
1552 my $neigh = find @$_ 2170 my $neigh = find $path, $origin
1553 or next; 2171 or next;
1554 $neigh->load; 2172 $neigh->load;
1555 } 2173 }
1556} 2174}
1557 2175
1562} 2180}
1563 2181
1564sub do_load_sync { 2182sub do_load_sync {
1565 my ($map) = @_; 2183 my ($map) = @_;
1566 2184
2185 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2186 if $Coro::current == $Coro::main;
2187
1567 cf::sync_job { $map->load }; 2188 cf::sync_job { $map->load };
1568} 2189}
1569 2190
1570our %MAP_PREFETCH; 2191our %MAP_PREFETCH;
1571our $MAP_PREFETCHER = undef; 2192our $MAP_PREFETCHER = undef;
1572 2193
1573sub find_async { 2194sub find_async {
1574 my ($path, $origin) = @_; 2195 my ($path, $origin, $load) = @_;
1575 2196
1576 $path = normalise $path, $origin && $origin->{path}; 2197 $path = normalise $path, $origin && $origin->{path};
1577 2198
1578 if (my $map = $cf::MAP{$path}) { 2199 if (my $map = $cf::MAP{$path}) {
1579 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2200 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1580 } 2201 }
1581 2202
1582 undef $MAP_PREFETCH{$path}; 2203 $MAP_PREFETCH{$path} |= $load;
2204
1583 $MAP_PREFETCHER ||= cf::async { 2205 $MAP_PREFETCHER ||= cf::async {
2206 $Coro::current->{desc} = "map prefetcher";
2207
1584 while (%MAP_PREFETCH) { 2208 while (%MAP_PREFETCH) {
1585 for my $path (keys %MAP_PREFETCH) { 2209 while (my ($k, $v) = each %MAP_PREFETCH) {
1586 my $map = find $path 2210 if (my $map = find $k) {
1587 or next;
1588 $map->load; 2211 $map->load if $v;
2212 }
1589 2213
1590 delete $MAP_PREFETCH{$path}; 2214 delete $MAP_PREFETCH{$k};
1591 } 2215 }
1592 } 2216 }
1593 undef $MAP_PREFETCHER; 2217 undef $MAP_PREFETCHER;
1594 }; 2218 };
1595 $MAP_PREFETCHER->prio (6); 2219 $MAP_PREFETCHER->prio (6);
1598} 2222}
1599 2223
1600sub save { 2224sub save {
1601 my ($self) = @_; 2225 my ($self) = @_;
1602 2226
1603 my $lock = cf::lock_acquire "map_data:" . $self->path; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1604 2228
1605 $self->{last_save} = $cf::RUNTIME; 2229 $self->{last_save} = $cf::RUNTIME;
1606 2230
1607 return unless $self->dirty; 2231 return unless $self->dirty;
1608 2232
1614 return if $self->{deny_save}; 2238 return if $self->{deny_save};
1615 2239
1616 local $self->{last_access} = $self->last_access;#d# 2240 local $self->{last_access} = $self->last_access;#d#
1617 2241
1618 cf::async { 2242 cf::async {
2243 $Coro::current->{desc} = "map player save";
1619 $_->contr->save for $self->players; 2244 $_->contr->save for $self->players;
1620 }; 2245 };
2246
2247 cf::get_slot 0.02;
1621 2248
1622 if ($uniq) { 2249 if ($uniq) {
1623 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2250 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2251 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1625 } else { 2252 } else {
1631 my ($self) = @_; 2258 my ($self) = @_;
1632 2259
1633 # save first because save cedes 2260 # save first because save cedes
1634 $self->save; 2261 $self->save;
1635 2262
1636 my $lock = cf::lock_acquire "map_data:" . $self->path; 2263 my $lock = cf::lock_acquire "map_data:$self->{path}";
1637 2264
1638 return if $self->players; 2265 return if $self->players;
1639 return if $self->in_memory != cf::MAP_IN_MEMORY; 2266 return if $self->in_memory != cf::MAP_ACTIVE;
1640 return if $self->{deny_save}; 2267 return if $self->{deny_save};
1641 2268
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 $self->deactivate;
2272 $_->clear_links_to ($self) for values %cf::MAP;
1642 $self->clear; 2273 $self->clear;
1643 $self->in_memory (cf::MAP_SWAPPED);
1644} 2274}
1645 2275
1646sub reset_at { 2276sub reset_at {
1647 my ($self) = @_; 2277 my ($self) = @_;
1648 2278
1649 # TODO: safety, remove and allow resettable per-player maps 2279 # TODO: safety, remove and allow resettable per-player maps
1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1651 return 1e99 if $self->{deny_reset}; 2280 return 1e99 if $self->{deny_reset};
1652 2281
1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2282 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2283 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655 2284
1666 my ($self) = @_; 2295 my ($self) = @_;
1667 2296
1668 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2297 my $lock = cf::lock_acquire "map_data:$self->{path}";
1669 2298
1670 return if $self->players; 2299 return if $self->players;
1671 return if $self->isa ("ext::map_per_player");#d#
1672 2300
1673 warn "resetting map ", $self->path;#d# 2301 warn "resetting map ", $self->path;
1674 2302
1675 $self->in_memory (cf::MAP_SWAPPED); 2303 $self->in_memory (cf::MAP_SWAPPED);
1676 2304
1677 # need to save uniques path 2305 # need to save uniques path
1678 unless ($self->{deny_save}) { 2306 unless ($self->{deny_save}) {
1682 if $uniq; 2310 if $uniq;
1683 } 2311 }
1684 2312
1685 delete $cf::MAP{$self->path}; 2313 delete $cf::MAP{$self->path};
1686 2314
2315 $self->deactivate;
2316 $_->clear_links_to ($self) for values %cf::MAP;
1687 $self->clear; 2317 $self->clear;
1688
1689 $_->clear_links_to ($self) for values %cf::MAP;
1690 2318
1691 $self->unlink_save; 2319 $self->unlink_save;
1692 $self->destroy; 2320 $self->destroy;
1693} 2321}
1694 2322
1695my $nuke_counter = "aaaa"; 2323my $nuke_counter = "aaaa";
1696 2324
1697sub nuke { 2325sub nuke {
1698 my ($self) = @_; 2326 my ($self) = @_;
1699 2327
2328 {
2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
2330
1700 delete $cf::MAP{$self->path}; 2331 delete $cf::MAP{$self->path};
1701 2332
1702 $self->unlink_save; 2333 $self->unlink_save;
1703 2334
1704 bless $self, "cf::map"; 2335 bless $self, "cf::map";
1705 delete $self->{deny_reset}; 2336 delete $self->{deny_reset};
1706 $self->{deny_save} = 1; 2337 $self->{deny_save} = 1;
1707 $self->reset_timeout (1); 2338 $self->reset_timeout (1);
1708 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2339 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709 2340
1710 $cf::MAP{$self->path} = $self; 2341 $cf::MAP{$self->path} = $self;
2342 }
1711 2343
1712 $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 ]
1713} 2381}
1714 2382
1715=item cf::map::unique_maps 2383=item cf::map::unique_maps
1716 2384
1717Returns an arrayref of paths of all shared maps that have 2385Returns an arrayref of paths of all shared maps that have
1718instantiated unique items. May block. 2386instantiated unique items. May block.
1719 2387
1720=cut 2388=cut
1721 2389
1722sub unique_maps() { 2390sub unique_maps() {
1723 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2391 [
1724 or return; 2392 map {
1725
1726 my @paths;
1727
1728 for (@$files) {
1729 utf8::decode $_; 2393 utf8::decode $_;
1730 next if /\.pst$/; 2394 s/\.map$//; # TODO future compatibility hack
1731 next unless /^$PATH_SEP/o; 2395 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732 2396 ? ()
1733 push @paths, cf::map::normalise $_; 2397 : normalise $_
2398 } @{ aio_readdir $UNIQUEDIR or [] }
1734 } 2399 ]
1735
1736 \@paths
1737} 2400}
1738
1739package cf;
1740 2401
1741=back 2402=back
1742 2403
1743=head3 cf::object 2404=head3 cf::object
1744 2405
1748 2409
1749=over 4 2410=over 4
1750 2411
1751=item $ob->inv_recursive 2412=item $ob->inv_recursive
1752 2413
1753Returns 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.
1754 2416
1755=cut 2417=cut
1756 2418
1757sub inv_recursive_; 2419sub inv_recursive_;
1758sub inv_recursive_ { 2420sub inv_recursive_ {
1761 2423
1762sub inv_recursive { 2424sub inv_recursive {
1763 inv_recursive_ inv $_[0] 2425 inv_recursive_ inv $_[0]
1764} 2426}
1765 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
1766package cf; 2456package cf;
1767 2457
1768=back 2458=back
1769 2459
1770=head3 cf::object::player 2460=head3 cf::object::player
1776Sends 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>
1777can 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
1778dialogue with the given NPC character. 2468dialogue with the given NPC character.
1779 2469
1780=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};
1781 2485
1782# rough implementation of a future "reply" method that works 2486# rough implementation of a future "reply" method that works
1783# with dialog boxes. 2487# with dialog boxes.
1784#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
1785sub cf::object::player::reply($$$;$) { 2489sub cf::object::player::reply($$$;$) {
1787 2491
1788 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2492 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789 2493
1790 if ($self->{record_replies}) { 2494 if ($self->{record_replies}) {
1791 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2495 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2496
1792 } 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 {
1793 $msg = $npc->name . " says: $msg" if $npc; 2505 $msg = $npc->name . " says: $msg" if $npc;
1794 $self->message ($msg, $flags); 2506 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2507 }
1795 } 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 (@_);
1796} 2519}
1797 2520
1798=item $player_object->may ("access") 2521=item $player_object->may ("access")
1799 2522
1800Returns wether the given player is authorized to access resource "access" 2523Returns wether the given player is authorized to access resource "access"
1847 $self->deactivate_recursive; 2570 $self->deactivate_recursive;
1848 2571
1849 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2572 return if UNIVERSAL::isa $self->map, "ext::map_link";
1850 2573
1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2574 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852 if $self->map; 2575 if $self->map && $self->map->{path} ne "{link}";
1853 2576
1854 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2577 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1855} 2578}
1856 2579
1857sub cf::object::player::leave_link { 2580sub cf::object::player::leave_link {
1858 my ($self, $map, $x, $y) = @_; 2581 my ($self, $map, $x, $y) = @_;
2582
2583 return unless $self->contr->active;
1859 2584
1860 my $link_pos = delete $self->{_link_pos}; 2585 my $link_pos = delete $self->{_link_pos};
1861 2586
1862 unless ($map) { 2587 unless ($map) {
1863 # restore original map position 2588 # restore original map position
1877 # use -1 or undef as default coordinates, not 0, 0 2602 # use -1 or undef as default coordinates, not 0, 0
1878 ($x, $y) = ($map->enter_x, $map->enter_y) 2603 ($x, $y) = ($map->enter_x, $map->enter_y)
1879 if $x <=0 && $y <= 0; 2604 if $x <=0 && $y <= 0;
1880 2605
1881 $map->load; 2606 $map->load;
1882 $map->load_diag; 2607 $map->load_neighbours;
1883 2608
1884 return unless $self->contr->active; 2609 return unless $self->contr->active;
1885 $self->activate_recursive; 2610 $self->activate_recursive;
1886 2611
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888 $self->enter_map ($map, $x, $y); 2613 $self->enter_map ($map, $x, $y);
1889} 2614}
1890 2615
1891cf::player->attach ( 2616=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892 on_logout => sub {
1893 my ($pl) = @_;
1894 2617
1895 # abort map switching before logout 2618Moves the player to the given map-path and coordinates by first freezing
1896 if ($pl->ob->{_link_pos}) { 2619her, loading and preparing them map, calling the provided $check callback
1897 cf::sync_job { 2620that has to return the map if sucecssful, and then unfreezes the player on
1898 $pl->ob->leave_link 2621the new (success) or old (failed) map position. In either case, $done will
1899 }; 2622be called at the end of this process.
1900 }
1901 },
1902 on_login => sub {
1903 my ($pl) = @_;
1904 2623
1905 # try to abort aborted map switching on player login :) 2624Note that $check will be called with a potentially non-loaded map, so if
1906 # should happen only on crashes 2625it needs a loaded map it has to call C<< ->load >>.
1907 if ($pl->ob->{_link_pos}) {
1908 $pl->ob->enter_link;
1909 (async {
1910 $pl->ob->reply (undef,
1911 "There was an internal problem at your last logout, "
1912 . "the server will try to bring you to your intended destination in a second.",
1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1916 Coro::Timer::sleep 1;
1917 $pl->ob->leave_link;
1918 })->prio (2);
1919 }
1920 },
1921);
1922 2626
1923=item $player_object->goto ($path, $x, $y)
1924
1925=cut 2627=cut
2628
2629our $GOTOGEN;
1926 2630
1927sub cf::object::player::goto { 2631sub cf::object::player::goto {
1928 my ($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;
1929 2636
1930 $self->enter_link; 2637 $self->enter_link;
1931 2638
1932 (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
1933 my $map = eval { 2661 my $map = eval {
1934 my $map = cf::map::find $path; 2662 my $map = defined $path ? cf::map::find $path : undef;
2663
2664 if ($map) {
1935 $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
1936 $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 $@;
1937 } or 2677 }
1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939 2678
2679 if ($gen == $self->{_goto_generation}) {
2680 delete $self->{_goto_generation};
1940 $self->leave_link ($map, $x, $y); 2681 $self->leave_link ($map, $x, $y);
2682 }
2683
2684 $done->() if $done;
1941 })->prio (1); 2685 })->prio (1);
1942} 2686}
1943 2687
1944=item $player_object->enter_exit ($exit_object) 2688=item $player_object->enter_exit ($exit_object)
1945 2689
1965} 2709}
1966 2710
1967sub prepare_random_map { 2711sub prepare_random_map {
1968 my ($exit) = @_; 2712 my ($exit) = @_;
1969 2713
1970 my $guard = cf::lock_acquire "exit_prepare:$exit";
1971
1972 # all this does is basically replace the /! path by 2714 # all this does is basically replace the /! path by
1973 # a new random map path (?random/...) with a seed 2715 # a new random map path (?random/...) with a seed
1974 # that depends on the exit object 2716 # that depends on the exit object
1975 2717
1976 my $rmp = parse_random_map_params $exit->msg; 2718 my $rmp = parse_random_map_params $exit->msg;
1978 if ($exit->map) { 2720 if ($exit->map) {
1979 $rmp->{region} = $exit->region->name; 2721 $rmp->{region} = $exit->region->name;
1980 $rmp->{origin_map} = $exit->map->path; 2722 $rmp->{origin_map} = $exit->map->path;
1981 $rmp->{origin_x} = $exit->x; 2723 $rmp->{origin_x} = $exit->x;
1982 $rmp->{origin_y} = $exit->y; 2724 $rmp->{origin_y} = $exit->y;
2725
2726 $exit->map->touch;
1983 } 2727 }
1984 2728
1985 $rmp->{random_seed} ||= $exit->random_seed; 2729 $rmp->{random_seed} ||= $exit->random_seed;
1986 2730
1987 my $data = cf::to_json $rmp; 2731 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988 my $md5 = Digest::MD5::md5_hex $data; 2732 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2733 my $meta = "$RANDOMDIR/$md5.meta";
1990 2734
1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2735 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992 aio_write $fh, 0, (length $data), $data, 0; 2736 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh; 2737 undef $fh;
1994 aio_rename "$meta~", $meta; 2738 aio_rename "$meta~", $meta;
1995 2739
2740 my $slaying = "?random/$md5";
2741
2742 if ($exit->valid) {
1996 $exit->slaying ("?random/$md5"); 2743 $exit->slaying ("?random/$md5");
1997 $exit->msg (undef); 2744 $exit->msg (undef);
2745 }
1998 } 2746 }
1999} 2747}
2000 2748
2001sub cf::object::player::enter_exit { 2749sub cf::object::player::enter_exit {
2002 my ($self, $exit) = @_; 2750 my ($self, $exit) = @_;
2003 2751
2004 return unless $self->type == cf::PLAYER; 2752 return unless $self->type == cf::PLAYER;
2005 2753
2006 if ($exit->slaying eq "/!") {
2007 #TODO: this should de-fi-ni-te-ly not be a sync-job
2008 # the problem is that $exit might not survive long enough
2009 # so it needs to be done right now, right here
2010 cf::sync_job { prepare_random_map $exit };
2011 }
2012
2013 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014 my $hp = $exit->stats->hp;
2015 my $sp = $exit->stats->sp;
2016
2017 $self->enter_link; 2754 $self->enter_link;
2018 2755
2019 (async { 2756 (async {
2020 $self->deactivate_recursive; # just to be sure 2757 $Coro::current->{desc} = "enter_exit";
2758
2021 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
2022 $self->goto ($slaying, $hp, $sp); 2774 $self->goto ($map, $x, $y);
2023 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
2024 1; 2780 1
2025 }) { 2781 }) {
2026 $self->message ("Something went wrong deep within the crossfire server. " 2782 $self->message ("Something went wrong deep within the crossfire server. "
2027 . "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. "
2028 . "Please report this to the dungeon master!", 2784 . "Please report this to the dungeon master!",
2029 cf::NDI_UNIQUE | cf::NDI_RED); 2785 cf::NDI_UNIQUE | cf::NDI_RED);
2050 2806
2051 utf8::encode $text; 2807 utf8::encode $text;
2052 $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);
2053} 2809}
2054 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 my $pkt = "msg "
2913 . $self->{json_coder}->encode (
2914 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2915 );
2916
2917 # try lzf for large packets
2918 $pkt = "lzf " . Compress::LZF::compress $pkt
2919 if 1024 <= length $pkt and $self->{can_lzf};
2920
2921 # split very large packets
2922 if (8192 < length $pkt and $self->{can_lzf}) {
2923 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2924 $pkt = "frag";
2925 }
2926
2927 $self->send_packet ($pkt);
2928 } else {
2929 if ($color >= 0) {
2930 # replace some tags by gcfclient-compatible ones
2931 for ($msg) {
2932 1 while
2933 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2934 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2935 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2936 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2937 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2938 }
2939
2940 $color &= cf::NDI_COLOR_MASK;
2941
2942 utf8::encode $msg;
2943
2944 if (0 && $msg =~ /\[/) {
2945 # COMMAND/INFO
2946 $self->send_packet ("drawextinfo $color 10 8 $msg")
2947 } else {
2948 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2949 $self->send_packet ("drawinfo $color $msg")
2950 }
2951 }
2952 }
2953}
2954
2055=item $client->ext_event ($type, %msg) 2955=item $client->ext_msg ($type, @msg)
2056 2956
2057Sends an exti event to the client. 2957Sends an ext event to the client.
2058 2958
2059=cut 2959=cut
2060 2960
2061sub cf::client::ext_event($$%) { 2961sub cf::client::ext_msg($$@) {
2062 my ($self, $type, %msg) = @_; 2962 my ($self, $type, @msg) = @_;
2063 2963
2964 if ($self->extcmd == 2) {
2965 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2966 } elsif ($self->extcmd == 1) { # TODO: remove
2064 $msg{msgtype} = "event_$type"; 2967 push @msg, msgtype => "event_$type";
2065 $self->send_packet ("ext " . cf::to_json \%msg); 2968 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969 }
2970}
2971
2972=item $client->ext_reply ($msgid, @msg)
2973
2974Sends an ext reply to the client.
2975
2976=cut
2977
2978sub cf::client::ext_reply($$@) {
2979 my ($self, $id, @msg) = @_;
2980
2981 if ($self->extcmd == 2) {
2982 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2983 } elsif ($self->extcmd == 1) {
2984 #TODO: version 1, remove
2985 unshift @msg, msgtype => "reply", msgid => $id;
2986 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2987 }
2066} 2988}
2067 2989
2068=item $success = $client->query ($flags, "text", \&cb) 2990=item $success = $client->query ($flags, "text", \&cb)
2069 2991
2070Queues a query to the client, calling the given callback with 2992Queues a query to the client, calling the given callback with
2071the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2993the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2994C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073 2995
2074Queries can fail, so check the return code. Or don't, as queries will become 2996Queries can fail, so check the return code. Or don't, as queries will
2075reliable at some point in the future. 2997become reliable at some point in the future.
2076 2998
2077=cut 2999=cut
2078 3000
2079sub cf::client::query { 3001sub cf::client::query {
2080 my ($self, $flags, $text, $cb) = @_; 3002 my ($self, $flags, $text, $cb) = @_;
2088 utf8::encode $text; 3010 utf8::encode $text;
2089 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3011 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090 3012
2091 $self->send_packet ($self->{query_queue}[0][0]) 3013 $self->send_packet ($self->{query_queue}[0][0])
2092 if @{ $self->{query_queue} } == 1; 3014 if @{ $self->{query_queue} } == 1;
3015
3016 1
2093} 3017}
2094 3018
2095cf::client->attach ( 3019cf::client->attach (
3020 on_connect => sub {
3021 my ($ns) = @_;
3022
3023 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3024 },
2096 on_reply => sub { 3025 on_reply => sub {
2097 my ($ns, $msg) = @_; 3026 my ($ns, $msg) = @_;
2098 3027
2099 # this weird shuffling is so that direct followup queries 3028 # this weird shuffling is so that direct followup queries
2100 # get handled first 3029 # get handled first
2112 } else { 3041 } else {
2113 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3042 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114 } 3043 }
2115 } 3044 }
2116 }, 3045 },
3046 on_exticmd => sub {
3047 my ($ns, $buf) = @_;
3048
3049 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3050
3051 if (ref $msg) {
3052 my ($type, $reply, @payload) =
3053 "ARRAY" eq ref $msg
3054 ? @$msg
3055 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3056
3057 my @reply;
3058
3059 if (my $cb = $EXTICMD{$type}) {
3060 @reply = $cb->($ns, @payload);
3061 }
3062
3063 $ns->ext_reply ($reply, @reply)
3064 if $reply;
3065
3066 } else {
3067 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3068 }
3069
3070 cf::override;
3071 },
2117); 3072);
2118 3073
2119=item $client->async (\&cb) 3074=item $client->async (\&cb)
2120 3075
2121Create a new coroutine, running the specified callback. The coroutine will 3076Create a new coroutine, running the specified callback. The coroutine will
2162our $safe = new Safe "safe"; 3117our $safe = new Safe "safe";
2163our $safe_hole = new Safe::Hole; 3118our $safe_hole = new Safe::Hole;
2164 3119
2165$SIG{FPE} = 'IGNORE'; 3120$SIG{FPE} = 'IGNORE';
2166 3121
2167$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3122$safe->permit_only (Opcode::opset qw(
3123 :base_core :base_mem :base_orig :base_math
3124 grepstart grepwhile mapstart mapwhile
3125 sort time
3126));
2168 3127
2169# here we export the classes and methods available to script code 3128# here we export the classes and methods available to script code
2170 3129
2171=pod 3130=pod
2172 3131
2173The following functions and methods are available within a safe environment: 3132The following functions and methods are available within a safe environment:
2174 3133
2175 cf::object contr pay_amount pay_player map 3134 cf::object
3135 contr pay_amount pay_player map x y force_find force_add destroy
3136 insert remove name archname title slaying race decrease split
3137
2176 cf::object::player player 3138 cf::object::player
2177 cf::player peaceful 3139 player
2178 cf::map trigger 3140
3141 cf::player
3142 peaceful
3143
3144 cf::map
3145 trigger
2179 3146
2180=cut 3147=cut
2181 3148
2182for ( 3149for (
2183 ["cf::object" => qw(contr pay_amount pay_player map)], 3150 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3151 insert remove inv nrof name archname title slaying race
3152 decrease split destroy change_exp)],
2184 ["cf::object::player" => qw(player)], 3153 ["cf::object::player" => qw(player)],
2185 ["cf::player" => qw(peaceful)], 3154 ["cf::player" => qw(peaceful)],
2186 ["cf::map" => qw(trigger)], 3155 ["cf::map" => qw(trigger)],
2187) { 3156) {
2188 no strict 'refs'; 3157 no strict 'refs';
2259=back 3228=back
2260 3229
2261=cut 3230=cut
2262 3231
2263############################################################################# 3232#############################################################################
2264
2265=head2 EXTENSION DATABASE SUPPORT
2266
2267Crossfire maintains a very simple database for extension use. It can
2268currently store anything that can be serialised using Storable, which
2269excludes objects.
2270
2271The parameter C<$family> should best start with the name of the extension
2272using it, it should be unique.
2273
2274=over 4
2275
2276=item $value = cf::db_get $family => $key
2277
2278Returns a single value from the database.
2279
2280=item cf::db_put $family => $key => $value
2281
2282Stores the given C<$value> in the family.
2283
2284=cut
2285
2286our $DB;
2287
2288sub db_init {
2289 unless ($DB) {
2290 $DB = BDB::db_create $DB_ENV;
2291
2292 cf::sync_job {
2293 eval {
2294 $DB->set_flags (BDB::CHKSUM);
2295
2296 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!;
2299 };
2300 cf::cleanup "db_open(db): $@" if $@;
2301 };
2302
2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
2307
2308 cf::db_put (board => data => $pst->{board});
2309 cf::db_put (guildrules => data => $pst->{guildrules});
2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313 unlink $path;
2314 };
2315 }
2316 }
2317}
2318
2319sub db_get($$) {
2320 my $key = "$_[0]/$_[1]";
2321
2322 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data;
2324
2325 $! ? ()
2326 : Compress::LZF::sthaw $data
2327 }
2328}
2329
2330sub db_put($$$) {
2331 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333}
2334
2335#############################################################################
2336# the server's init and main functions 3233# the server's init and main functions
2337 3234
2338sub load_facedata { 3235sub load_facedata($) {
2339 my $path = sprintf "%s/facedata", cf::datadir; 3236 my ($path) = @_;
3237
3238 # HACK to clear player env face cache, we need some signal framework
3239 # for this (global event?)
3240 %ext::player_env::MUSIC_FACE_CACHE = ();
3241
3242 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2340 3243
2341 warn "loading facedata from $path\n"; 3244 warn "loading facedata from $path\n";
2342 3245
2343 my $facedata; 3246 my $facedata;
2344 0 < aio_load $path, $facedata 3247 0 < aio_load $path, $facedata
2347 $facedata = Coro::Storable::thaw $facedata; 3250 $facedata = Coro::Storable::thaw $facedata;
2348 3251
2349 $facedata->{version} == 2 3252 $facedata->{version} == 2
2350 or cf::cleanup "$path: version mismatch, cannot proceed."; 3253 or cf::cleanup "$path: version mismatch, cannot proceed.";
2351 3254
3255 # patch in the exptable
3256 $facedata->{resource}{"res/exp_table"} = {
3257 type => FT_RSRC,
3258 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3259 };
3260 cf::cede_to_tick;
3261
2352 { 3262 {
2353 my $faces = $facedata->{faceinfo}; 3263 my $faces = $facedata->{faceinfo};
2354 3264
2355 while (my ($face, $info) = each %$faces) { 3265 while (my ($face, $info) = each %$faces) {
2356 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3266 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3267
2357 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3268 cf::face::set_visibility $idx, $info->{visibility};
3269 cf::face::set_magicmap $idx, $info->{magicmap};
2358 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3270 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2359 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3271 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2360 Coro::cede; 3272
3273 cf::cede_to_tick;
2361 } 3274 }
2362 3275
2363 while (my ($face, $info) = each %$faces) { 3276 while (my ($face, $info) = each %$faces) {
2364 next unless $info->{smooth}; 3277 next unless $info->{smooth};
3278
2365 my $idx = cf::face::find $face 3279 my $idx = cf::face::find $face
2366 or next; 3280 or next;
3281
2367 if (my $smooth = cf::face::find $info->{smooth}) { 3282 if (my $smooth = cf::face::find $info->{smooth}) {
3283 cf::face::set_smooth $idx, $smooth;
2368 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3284 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369 } else { 3285 } else {
2370 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3286 warn "smooth face '$info->{smooth}' not found for face '$face'";
2371 } 3287 }
2372 Coro::cede; 3288
3289 cf::cede_to_tick;
2373 } 3290 }
2374 } 3291 }
2375 3292
2376 { 3293 {
2377 my $anims = $facedata->{animinfo}; 3294 my $anims = $facedata->{animinfo};
2378 3295
2379 while (my ($anim, $info) = each %$anims) { 3296 while (my ($anim, $info) = each %$anims) {
2380 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3297 cf::anim::set $anim, $info->{frames}, $info->{facings};
2381 Coro::cede; 3298 cf::cede_to_tick;
2382 } 3299 }
2383 3300
2384 cf::anim::invalidate_all; # d'oh 3301 cf::anim::invalidate_all; # d'oh
2385 } 3302 }
2386 3303
3304 {
3305 # TODO: for gcfclient pleasure, we should give resources
3306 # that gcfclient doesn't grok a >10000 face index.
3307 my $res = $facedata->{resource};
3308
3309 while (my ($name, $info) = each %$res) {
3310 if (defined $info->{type}) {
3311 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3312 my $data;
3313
3314 if ($info->{type} & 1) {
3315 # prepend meta info
3316
3317 my $meta = $enc->encode ({
3318 name => $name,
3319 %{ $info->{meta} || {} },
3320 });
3321
3322 $data = pack "(w/a*)*", $meta, $info->{data};
3323 } else {
3324 $data = $info->{data};
3325 }
3326
3327 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3328 cf::face::set_type $idx, $info->{type};
3329 } else {
3330 $RESOURCE{$name} = $info;
3331 }
3332
3333 cf::cede_to_tick;
3334 }
3335 }
3336
3337 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3338
2387 1 3339 1
2388} 3340}
2389 3341
3342cf::global->attach (on_resource_update => sub {
3343 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3344 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3345
3346 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3347 my $sound = $soundconf->{compat}[$_]
3348 or next;
3349
3350 my $face = cf::face::find "sound/$sound->[1]";
3351 cf::sound::set $sound->[0] => $face;
3352 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3353 }
3354
3355 while (my ($k, $v) = each %{$soundconf->{event}}) {
3356 my $face = cf::face::find "sound/$v";
3357 cf::sound::set $k => $face;
3358 }
3359 }
3360});
3361
3362register_exticmd fx_want => sub {
3363 my ($ns, $want) = @_;
3364
3365 while (my ($k, $v) = each %$want) {
3366 $ns->fx_want ($k, $v);
3367 }
3368};
3369
3370sub load_resource_file($) {
3371 my $guard = lock_acquire "load_resource_file";
3372
3373 my $status = load_resource_file_ $_[0];
3374 get_slot 0.1, 100;
3375 cf::arch::commit_load;
3376
3377 $status
3378}
3379
3380sub reload_regions {
3381 # HACK to clear player env face cache, we need some signal framework
3382 # for this (global event?)
3383 %ext::player_env::MUSIC_FACE_CACHE = ();
3384
3385 load_resource_file "$MAPDIR/regions"
3386 or die "unable to load regions file\n";
3387
3388 for (cf::region::list) {
3389 $_->{match} = qr/$_->{match}/
3390 if exists $_->{match};
3391 }
3392}
3393
3394sub reload_facedata {
3395 load_facedata "$DATADIR/facedata"
3396 or die "unable to load facedata\n";
3397}
3398
3399sub reload_archetypes {
3400 load_resource_file "$DATADIR/archetypes"
3401 or die "unable to load archetypes\n";
3402}
3403
3404sub reload_treasures {
3405 load_resource_file "$DATADIR/treasures"
3406 or die "unable to load treasurelists\n";
3407}
3408
2390sub reload_resources { 3409sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3410 warn "reloading resource files...\n";
2392 or die "unable to load regions file\n";#d# 3411
2393 load_facedata 3412 reload_facedata;
2394 or die "unable to load facedata\n";#d# 3413 reload_archetypes;
3414 reload_regions;
3415 reload_treasures;
3416
3417 warn "finished reloading resource files\n";
2395} 3418}
2396 3419
2397sub init { 3420sub init {
3421 my $guard = freeze_mainloop;
3422
3423 evthread_start IO::AIO::poll_fileno;
3424
2398 reload_resources; 3425 reload_resources;
2399} 3426}
2400 3427
2401sub cfg_load { 3428sub reload_config {
2402 open my $fh, "<:utf8", cf::confdir . "/config" 3429 open my $fh, "<:utf8", "$CONFDIR/config"
2403 or return; 3430 or return;
2404 3431
2405 local $/; 3432 local $/;
2406 *CFG = YAML::Syck::Load <$fh>; 3433 *CFG = YAML::Load <$fh>;
2407 3434
2408 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3435 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2409 3436
2410 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3437 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2411 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3438 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2422sub main { 3449sub main {
2423 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
2424 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
2425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426 (async { 3453 (async {
2427 Event::one_event; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT;
2428 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
2429 }; 3457 };
2430 3458
2431 cfg_load; 3459 {
3460 my $guard = freeze_mainloop;
3461 reload_config;
2432 db_init; 3462 db_init;
2433 load_extensions; 3463 load_extensions;
2434 3464
2435 $TICK_WATCHER->start; 3465 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3466 }
3467
2436 Event::loop; 3468 EV::loop;
2437} 3469}
2438 3470
2439############################################################################# 3471#############################################################################
2440# initialisation and cleanup 3472# initialisation and cleanup
2441 3473
2442# install some emergency cleanup handlers 3474# install some emergency cleanup handlers
2443BEGIN { 3475BEGIN {
3476 our %SIGWATCHER = ();
2444 for my $signal (qw(INT HUP TERM)) { 3477 for my $signal (qw(INT HUP TERM)) {
2445 Event->signal ( 3478 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2446 reentrant => 0,
2447 data => WF_AUTOCANCEL,
2448 signal => $signal,
2449 prio => 0,
2450 cb => sub {
2451 cf::cleanup "SIG$signal"; 3479 cf::cleanup "SIG$signal";
2452 },
2453 ); 3480 };
3481 }
3482}
3483
3484sub write_runtime_sync {
3485 my $runtime = "$LOCALDIR/runtime";
3486
3487 # first touch the runtime file to show we are still running:
3488 # the fsync below can take a very very long time.
3489
3490 IO::AIO::aio_utime $runtime, undef, undef;
3491
3492 my $guard = cf::lock_acquire "write_runtime";
3493
3494 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3495 or return;
3496
3497 my $value = $cf::RUNTIME + 90 + 10;
3498 # 10 is the runtime save interval, for a monotonic clock
3499 # 60 allows for the watchdog to kill the server.
3500
3501 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3502 and return;
3503
3504 # always fsync - this file is important
3505 aio_fsync $fh
3506 and return;
3507
3508 # touch it again to show we are up-to-date
3509 aio_utime $fh, undef, undef;
3510
3511 close $fh
3512 or return;
3513
3514 aio_rename "$runtime~", $runtime
3515 and return;
3516
3517 warn "runtime file written.\n";
3518
2454 } 3519 1
3520}
3521
3522our $uuid_lock;
3523our $uuid_skip;
3524
3525sub write_uuid_sync($) {
3526 $uuid_skip ||= $_[0];
3527
3528 return if $uuid_lock;
3529 local $uuid_lock = 1;
3530
3531 my $uuid = "$LOCALDIR/uuid";
3532
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return;
3535
3536 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3537 $uuid_skip = 0;
3538
3539 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3540 and return;
3541
3542 # always fsync - this file is important
3543 aio_fsync $fh
3544 and return;
3545
3546 close $fh
3547 or return;
3548
3549 aio_rename "$uuid~", $uuid
3550 and return;
3551
3552 warn "uuid file written ($value).\n";
3553
3554 1
3555
3556}
3557
3558sub write_uuid($$) {
3559 my ($skip, $sync) = @_;
3560
3561 $sync ? write_uuid_sync $skip
3562 : async { write_uuid_sync $skip };
2455} 3563}
2456 3564
2457sub emergency_save() { 3565sub emergency_save() {
2458 my $freeze_guard = cf::freeze_mainloop; 3566 my $freeze_guard = cf::freeze_mainloop;
2459 3567
2465 # and maps saved/destroyed asynchronously. 3573 # and maps saved/destroyed asynchronously.
2466 warn "begin emergency player save\n"; 3574 warn "begin emergency player save\n";
2467 for my $login (keys %cf::PLAYER) { 3575 for my $login (keys %cf::PLAYER) {
2468 my $pl = $cf::PLAYER{$login} or next; 3576 my $pl = $cf::PLAYER{$login} or next;
2469 $pl->valid or next; 3577 $pl->valid or next;
3578 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470 $pl->save; 3579 $pl->save;
2471 } 3580 }
2472 warn "end emergency player save\n"; 3581 warn "end emergency player save\n";
2473 3582
2474 warn "begin emergency map save\n"; 3583 warn "begin emergency map save\n";
2480 warn "end emergency map save\n"; 3589 warn "end emergency map save\n";
2481 3590
2482 warn "begin emergency database checkpoint\n"; 3591 warn "begin emergency database checkpoint\n";
2483 BDB::db_env_txn_checkpoint $DB_ENV; 3592 BDB::db_env_txn_checkpoint $DB_ENV;
2484 warn "end emergency database checkpoint\n"; 3593 warn "end emergency database checkpoint\n";
3594
3595 warn "begin write uuid\n";
3596 write_uuid_sync 1;
3597 warn "end write uuid\n";
2485 }; 3598 };
2486 3599
2487 warn "leave emergency perl save\n"; 3600 warn "leave emergency perl save\n";
2488} 3601}
2489 3602
2492 3605
2493 warn Carp::longmess "post_cleanup backtrace" 3606 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core; 3607 if $make_core;
2495} 3608}
2496 3609
3610# a safer delete_package, copied from Symbol
3611sub clear_package($) {
3612 my $pkg = shift;
3613
3614 # expand to full symbol table name if needed
3615 unless ($pkg =~ /^main::.*::$/) {
3616 $pkg = "main$pkg" if $pkg =~ /^::/;
3617 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3618 $pkg .= '::' unless $pkg =~ /::$/;
3619 }
3620
3621 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3622 my $stem_symtab = *{$stem}{HASH};
3623
3624 defined $stem_symtab and exists $stem_symtab->{$leaf}
3625 or return;
3626
3627 # clear all symbols
3628 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629 for my $name (keys %$leaf_symtab) {
3630 _gv_clear *{"$pkg$name"};
3631# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632 }
3633 warn "cleared package #$pkg\n";#d#
3634}
3635
3636our $RELOAD; # how many times to reload
3637
2497sub reload() { 3638sub do_reload_perl() {
2498 # can/must only be called in main 3639 # can/must only be called in main
2499 if ($Coro::current != $Coro::main) { 3640 if ($Coro::current != $Coro::main) {
2500 warn "can only reload from main coroutine"; 3641 warn "can only reload from main coroutine";
2501 return; 3642 return;
2502 } 3643 }
2503 3644
3645 return if $RELOAD++;
3646
3647 while ($RELOAD) {
2504 warn "reloading..."; 3648 warn "reloading...";
2505 3649
2506 warn "entering sync_job"; 3650 warn "entering sync_job";
2507 3651
2508 cf::sync_job { 3652 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark 3653 cf::write_runtime_sync; # external watchdog should not bark
2510 cf::emergency_save; 3654 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark 3655 cf::write_runtime_sync; # external watchdog should not bark
2512 3656
2513 warn "syncing database to disk"; 3657 warn "syncing database to disk";
2514 BDB::db_env_txn_checkpoint $DB_ENV; 3658 BDB::db_env_txn_checkpoint $DB_ENV;
2515 3659
2516 # if anything goes wrong in here, we should simply crash as we already saved 3660 # if anything goes wrong in here, we should simply crash as we already saved
2517 3661
2518 warn "cancelling all WF_AUTOCANCEL watchers";
2519 for (Event::all_watchers) {
2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2521 }
2522
2523 warn "flushing outstanding aio requests"; 3662 warn "flushing outstanding aio requests";
2524 for (;;) {
2525 BDB::flush;
2526 IO::AIO::flush;
2527 Coro::cede;
2528 last unless IO::AIO::nreqs || BDB::nreqs; 3663 while (IO::AIO::nreqs || BDB::nreqs) {
2529 warn "iterate..."; 3664 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2530 }
2531
2532 ++$RELOAD;
2533
2534 warn "cancelling all extension coros";
2535 $_->cancel for values %EXT_CORO;
2536 %EXT_CORO = ();
2537
2538 warn "removing commands";
2539 %COMMAND = ();
2540
2541 warn "removing ext commands";
2542 %EXTCMD = ();
2543
2544 warn "unloading/nuking all extensions";
2545 for my $pkg (@EXTS) {
2546 warn "... unloading $pkg";
2547
2548 if (my $cb = $pkg->can ("unload")) {
2549 eval {
2550 $cb->($pkg);
2551 1
2552 } or warn "$pkg unloaded, but with errors: $@";
2553 } 3665 }
2554 3666
2555 warn "... nuking $pkg"; 3667 warn "cancelling all extension coros";
2556 Symbol::delete_package $pkg; 3668 $_->cancel for values %EXT_CORO;
2557 } 3669 %EXT_CORO = ();
2558 3670
2559 warn "unloading all perl modules loaded from $LIBDIR"; 3671 warn "removing commands";
2560 while (my ($k, $v) = each %INC) { 3672 %COMMAND = ();
2561 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2562 3673
3674 warn "removing ext/exti commands";
3675 %EXTCMD = ();
3676 %EXTICMD = ();
3677
3678 warn "unloading/nuking all extensions";
3679 for my $pkg (@EXTS) {
2563 warn "... unloading $k"; 3680 warn "... unloading $pkg";
2564 delete $INC{$k};
2565 3681
2566 $k =~ s/\.pm$//;
2567 $k =~ s/\//::/g;
2568
2569 if (my $cb = $k->can ("unload_module")) { 3682 if (my $cb = $pkg->can ("unload")) {
3683 eval {
2570 $cb->(); 3684 $cb->($pkg);
3685 1
3686 } or warn "$pkg unloaded, but with errors: $@";
3687 }
3688
3689 warn "... clearing $pkg";
3690 clear_package $pkg;
2571 } 3691 }
2572 3692
2573 Symbol::delete_package $k; 3693 warn "unloading all perl modules loaded from $LIBDIR";
3694 while (my ($k, $v) = each %INC) {
3695 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3696
3697 warn "... unloading $k";
3698 delete $INC{$k};
3699
3700 $k =~ s/\.pm$//;
3701 $k =~ s/\//::/g;
3702
3703 if (my $cb = $k->can ("unload_module")) {
3704 $cb->();
3705 }
3706
3707 clear_package $k;
2574 } 3708 }
2575 3709
2576 warn "getting rid of safe::, as good as possible"; 3710 warn "getting rid of safe::, as good as possible";
2577 Symbol::delete_package "safe::$_" 3711 clear_package "safe::$_"
2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3712 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579 3713
2580 warn "unloading cf.pm \"a bit\""; 3714 warn "unloading cf.pm \"a bit\"";
2581 delete $INC{"cf.pm"}; 3715 delete $INC{"cf.pm"};
3716 delete $INC{"cf/pod.pm"};
2582 3717
2583 # don't, removes xs symbols, too, 3718 # don't, removes xs symbols, too,
2584 # and global variables created in xs 3719 # and global variables created in xs
2585 #Symbol::delete_package __PACKAGE__; 3720 #clear_package __PACKAGE__;
2586 3721
2587 warn "unload completed, starting to reload now"; 3722 warn "unload completed, starting to reload now";
2588 3723
2589 warn "reloading cf.pm"; 3724 warn "reloading cf.pm";
2590 require cf; 3725 require cf;
2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3726 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2592 3727
2593 warn "loading config and database again"; 3728 warn "loading config and database again";
2594 cf::cfg_load; 3729 cf::reload_config;
2595 3730
2596 warn "loading extensions"; 3731 warn "loading extensions";
2597 cf::load_extensions; 3732 cf::load_extensions;
2598 3733
2599 warn "reattaching attachments to objects/players"; 3734 warn "reattaching attachments to objects/players";
2600 _global_reattach; # objects, sockets 3735 _global_reattach; # objects, sockets
2601 warn "reattaching attachments to maps"; 3736 warn "reattaching attachments to maps";
2602 reattach $_ for values %MAP; 3737 reattach $_ for values %MAP;
2603 warn "reattaching attachments to players"; 3738 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER; 3739 reattach $_ for values %PLAYER;
2605 3740
2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job"; 3741 warn "leaving sync_job";
2610 3742
2611 1 3743 1
2612 } or do { 3744 } or do {
2613 warn $@; 3745 warn $@;
2614 warn "error while reloading, exiting."; 3746 cf::cleanup "error while reloading, exiting.";
2615 exit 1; 3747 };
3748
3749 warn "reloaded";
3750 --$RELOAD;
3751 }
3752};
3753
3754our $RELOAD_WATCHER; # used only during reload
3755
3756sub reload_perl() {
3757 # doing reload synchronously and two reloads happen back-to-back,
3758 # coro crashes during coro_state_free->destroy here.
3759
3760 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3761 do_reload_perl;
3762 undef $RELOAD_WATCHER;
2616 }; 3763 };
2617 3764}
2618 warn "reloaded";
2619};
2620
2621our $RELOAD_WATCHER; # used only during reload
2622 3765
2623register_command "reload" => sub { 3766register_command "reload" => sub {
2624 my ($who, $arg) = @_; 3767 my ($who, $arg) = @_;
2625 3768
2626 if ($who->flag (FLAG_WIZ)) { 3769 if ($who->flag (FLAG_WIZ)) {
2627 $who->message ("reloading server."); 3770 $who->message ("reloading server.");
2628 3771 async {
2629 # doing reload synchronously and two reloads happen back-to-back, 3772 $Coro::current->{desc} = "perl_reload";
2630 # coro crashes during coro_state_free->destroy here.
2631
2632 $RELOAD_WATCHER ||= Event->timer (
2633 reentrant => 0,
2634 after => 0,
2635 data => WF_AUTOCANCEL,
2636 cb => sub {
2637 reload; 3773 reload_perl;
2638 undef $RELOAD_WATCHER;
2639 },
2640 ); 3774 };
2641 } 3775 }
2642}; 3776};
2643 3777
2644unshift @INC, $LIBDIR; 3778unshift @INC, $LIBDIR;
2645 3779
2646my $bug_warning = 0; 3780my $bug_warning = 0;
2647 3781
2648$TICK_WATCHER = Event->timer ( 3782our @WAIT_FOR_TICK;
2649 reentrant => 0, 3783our @WAIT_FOR_TICK_BEGIN;
2650 parked => 1, 3784
2651 prio => 0, 3785sub wait_for_tick {
2652 at => $NEXT_TICK || $TICK, 3786 return if tick_inhibit || $Coro::current == $Coro::main;
2653 data => WF_AUTOCANCEL, 3787
2654 cb => sub { 3788 my $signal = new Coro::Signal;
3789 push @WAIT_FOR_TICK, $signal;
3790 $signal->wait;
3791}
3792
3793sub wait_for_tick_begin {
3794 return if tick_inhibit || $Coro::current == $Coro::main;
3795
3796 my $signal = new Coro::Signal;
3797 push @WAIT_FOR_TICK_BEGIN, $signal;
3798 $signal->wait;
3799}
3800
3801sub tick {
2655 if ($Coro::current != $Coro::main) { 3802 if ($Coro::current != $Coro::main) {
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3803 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10; 3804 unless ++$bug_warning > 10;
2658 return; 3805 return;
2659 } 3806 }
2660 3807
2661 $NOW = Event::time;
2662
2663 cf::server_tick; # one server iteration 3808 cf::server_tick; # one server iteration
2664 $RUNTIME += $TICK;
2665 $NEXT_TICK += $TICK;
2666 3809
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3810 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10; 3811 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669 Coro::async_pool { 3812 Coro::async_pool {
3813 $Coro::current->{desc} = "runtime saver";
2670 write_runtime 3814 write_runtime_sync
2671 or warn "ERROR: unable to write runtime file: $!"; 3815 or warn "ERROR: unable to write runtime file: $!";
2672 };
2673 } 3816 };
2674
2675 $WAIT_FOR_TICK->broadcast;
2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d#
2680
2681 # if we are delayed by four ticks or more, skip them all
2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684 $TICK_WATCHER->at ($NEXT_TICK);
2685 $TICK_WATCHER->start;
2686 }, 3817 }
2687); 3818
3819 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3820 $sig->send;
3821 }
3822 while (my $sig = shift @WAIT_FOR_TICK) {
3823 $sig->send;
3824 }
3825
3826 $LOAD = ($NOW - $TICK_START) / $TICK;
3827 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3828
3829 if (0) {
3830 if ($NEXT_TICK) {
3831 my $jitter = $TICK_START - $NEXT_TICK;
3832 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3833 warn "jitter $JITTER\n";#d#
3834 }
3835 }
3836}
2688 3837
2689{ 3838{
2690 BDB::max_poll_time $TICK * 0.1; 3839 # configure BDB
2691 $BDB_POLL_WATCHER = Event->io ( 3840
2692 reentrant => 0,
2693 fd => BDB::poll_fileno,
2694 poll => 'r',
2695 prio => 0,
2696 data => WF_AUTOCANCEL,
2697 cb => \&BDB::poll_cb,
2698 );
2699 BDB::min_parallel 8; 3841 BDB::min_parallel 8;
2700 3842 BDB::max_poll_reqs $TICK * 0.1;
2701 BDB::set_sync_prepare { 3843 $AnyEvent::BDB::WATCHER->priority (1);
2702 my $status;
2703 my $current = $Coro::current;
2704 (
2705 sub {
2706 $status = $!;
2707 $current->ready; undef $current;
2708 },
2709 sub {
2710 Coro::schedule while defined $current;
2711 $! = $status;
2712 },
2713 )
2714 };
2715 3844
2716 unless ($DB_ENV) { 3845 unless ($DB_ENV) {
2717 $DB_ENV = BDB::db_env_create; 3846 $DB_ENV = BDB::db_env_create;
3847 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3848 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3849 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3850 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3851 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718 3852
2719 cf::sync_job { 3853 cf::sync_job {
2720 eval { 3854 eval {
2721 BDB::db_env_open 3855 BDB::db_env_open
2722 $DB_ENV, 3856 $DB_ENV,
2723 $BDB_ENV_DIR, 3857 $BDBDIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3858 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3859 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666; 3860 0666;
2727 3861
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3862 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect;
2732 }; 3863 };
2733 3864
2734 cf::cleanup "db_env_open(db): $@" if $@; 3865 cf::cleanup "db_env_open(db): $@" if $@;
2735 }; 3866 };
2736 } 3867 }
3868
3869 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3870 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3871 };
3872 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3873 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3874 };
3875 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3876 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3877 };
2737} 3878}
2738 3879
2739{ 3880{
3881 # configure IO::AIO
3882
2740 IO::AIO::min_parallel 8; 3883 IO::AIO::min_parallel 8;
2741
2742 undef $Coro::AIO::WATCHER;
2743 IO::AIO::max_poll_time $TICK * 0.1; 3884 IO::AIO::max_poll_time $TICK * 0.1;
2744 $AIO_POLL_WATCHER = Event->io ( 3885 undef $AnyEvent::AIO::WATCHER;
2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2747 fd => IO::AIO::poll_fileno,
2748 poll => 'r',
2749 prio => 6,
2750 cb => \&IO::AIO::poll_cb,
2751 );
2752} 3886}
3887
3888my $_log_backtrace;
3889
3890sub _log_backtrace {
3891 my ($msg, @addr) = @_;
3892
3893 $msg =~ s/\n//;
3894
3895 # limit the # of concurrent backtraces
3896 if ($_log_backtrace < 2) {
3897 ++$_log_backtrace;
3898 async {
3899 $Coro::current->{desc} = "abt $msg";
3900
3901 my @bt = fork_call {
3902 @addr = map { sprintf "%x", $_ } @addr;
3903 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3904 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3905 or die "addr2line: $!";
3906
3907 my @funcs;
3908 my @res = <$fh>;
3909 chomp for @res;
3910 while (@res) {
3911 my ($func, $line) = splice @res, 0, 2, ();
3912 push @funcs, "[$func] $line";
3913 }
3914
3915 @funcs
3916 };
3917
3918 LOG llevInfo, "[ABT] $msg\n";
3919 LOG llevInfo, "[ABT] $_\n" for @bt;
3920 --$_log_backtrace;
3921 };
3922 } else {
3923 LOG llevInfo, "[ABT] $msg\n";
3924 LOG llevInfo, "[ABT] [suppressed]\n";
3925 }
3926}
3927
3928# load additional modules
3929use cf::pod;
2753 3930
2754END { cf::emergency_save } 3931END { cf::emergency_save }
2755 3932
27561 39331
2757 3934

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