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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 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
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::AnyEvent;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
18use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB 1.6;
46use Coro::Storable;
47use Coro::Util ();
19 48
49use JSON::XS 2.01 ();
20use BDB (); 50use BDB ();
21use Data::Dumper; 51use Data::Dumper;
22use Digest::MD5; 52use Digest::MD5;
23use Fcntl; 53use Fcntl;
54use YAML ();
24use IO::AIO 2.32 (); 55use IO::AIO ();
25use YAML::Syck ();
26use Time::HiRes; 56use Time::HiRes;
27use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
28 59
60AnyEvent::detect;
61
62# configure various modules to our taste
63#
64$Storable::canonical = 1; # reduce rsync transfers
65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 67
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 69
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 71
40our %COMMAND = (); 72our %COMMAND = ();
41our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
42 74
43our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
47 80
81our $RELOAD; # number of reloads so far
48our @EVENT; 82our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 83
51our $TICK = MAX_TIME * 1e-6; 84our $CONFDIR = confdir;
52our $TICK_WATCHER; 85our $DATADIR = datadir;
53our $AIO_POLL_WATCHER; 86our $LIBDIR = "$DATADIR/ext";
87our $PODDIR = "$DATADIR/pod";
88our $MAPDIR = "$DATADIR/" . mapdir;
89our $LOCALDIR = localdir;
90our $TMPDIR = "$LOCALDIR/" . tmpdir;
91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93our $RANDOMDIR = "$LOCALDIR/random";
94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
96
97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 99our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
58 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 105our $DB_ENV;
61 106
62our %CFG; 107our %CFG;
63 108
64our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 110our $RUNTIME;
111our $NOW;
66 112
67our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 116
76# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
124
79binmode STDOUT; 125binmode STDOUT;
80binmode STDERR; 126binmode STDERR;
81 127
82# read virtual server time, if available 128# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 129unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 130 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 131 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 132 $RUNTIME = <$fh> + 0.;
87} 133}
88 134
89mkdir cf::localdir; 135mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 137
96our $EMERGENCY_POSITION; 138our $EMERGENCY_POSITION;
97 139
98sub cf::map::normalise; 140sub cf::map::normalise;
99 141
110=item $cf::RUNTIME 152=item $cf::RUNTIME
111 153
112The time this server has run, starts at 0 and is increased by $cf::TICK on 154The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 155every server tick.
114 156
115=item $cf::LIBDIR 157=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 160
117The perl library directory, where extensions and cf-specific modules can 161Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 162directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163unique-items directory, player file directory, random maps directory and
164database environment.
119 165
120=item $cf::NOW 166=item $cf::NOW
121 167
122The time of the last (current) server tick. 168The time of the last (current) server tick.
123 169
124=item $cf::TICK 170=item $cf::TICK
125 171
126The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
127 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
128=item %cf::CFG 184=item %cf::CFG
129 185
130Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 187from wherever your confdir points to.
132 188
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 189=item cf::wait_for_tick, cf::wait_for_tick_begin
134 190
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 192returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
139 200
140=back 201=back
141 202
142=cut 203=cut
143 204
144BEGIN { 205BEGIN {
145 *CORE::GLOBAL::warn = sub { 206 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 207 my $msg = join "", @_;
147 utf8::encode $msg;
148 208
149 $msg .= "\n" 209 $msg .= "\n"
150 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
151 211
212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213
152 LOG llevError, $msg; 214 LOG llevError, $msg;
153 }; 215 };
154} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
155 232
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 240
163# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 242# within the Safe compartment.
165for my $pkg (qw( 243for my $pkg (qw(
166 cf::global cf::attachable 244 cf::global cf::attachable
167 cf::object cf::object::player 245 cf::object cf::object::player
168 cf::client cf::player 246 cf::client cf::player
169 cf::arch cf::living 247 cf::arch cf::living
248 cf::map cf::mapspace
170 cf::map cf::party cf::region 249 cf::party cf::region
171)) { 250)) {
172 no strict 'refs'; 251 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 252 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 253}
175 254
176$Event::DIED = sub { 255$EV::DIED = sub {
177 warn "error in event callback: @_"; 256 warn "error in event callback: @_";
178}; 257};
258
259#############################################################################
179 260
180=head2 UTILITY FUNCTIONS 261=head2 UTILITY FUNCTIONS
181 262
182=over 4 263=over 4
183 264
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 283 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 284 $d
204 } || "[unable to dump $_[0]: '$@']"; 285 } || "[unable to dump $_[0]: '$@']";
205} 286}
206 287
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 288=item $ref = cf::decode_json $json
210 289
211Converts a JSON string into the corresponding perl data structure. 290Converts a JSON string into the corresponding perl data structure.
212 291
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 292=item $json = cf::encode_json $ref
221 293
222Converts a perl data structure into its JSON representation. 294Converts a perl data structure into its JSON representation.
223 295
224=cut 296=cut
225 297
226sub to_json($) { 298our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 299
228 JSON::Syck::Dump $_[0] 300sub encode_json($) { $json_coder->encode ($_[0]) }
229} 301sub decode_json($) { $json_coder->decode ($_[0]) }
230 302
231=item cf::lock_wait $string 303=item cf::lock_wait $string
232 304
233Wait until the given lock is available. See cf::lock_acquire. 305Wait until the given lock is available. See cf::lock_acquire.
234 306
237Wait until the given lock is available and then acquires it and returns 309Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 310a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 311for example when the coroutine gets canceled), the lock is automatically
240returned. 312returned.
241 313
314Locks are *not* recursive, locking from the same coro twice results in a
315deadlocked coro.
316
242Lock names should begin with a unique identifier (for example, cf::map::find 317Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 318uses map_find and cf::map::load uses map_load).
244 319
320=item $locked = cf::lock_active $string
321
322Return true if the lock is currently active, i.e. somebody has locked it.
323
245=cut 324=cut
246 325
247our %LOCK; 326our %LOCK;
327our %LOCKER;#d#
248 328
249sub lock_wait($) { 329sub lock_wait($) {
250 my ($key) = @_; 330 my ($key) = @_;
331
332 if ($LOCKER{$key} == $Coro::current) {#d#
333 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334 return;#d#
335 }#d#
251 336
252 # wait for lock, if any 337 # wait for lock, if any
253 while ($LOCK{$key}) { 338 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 339 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 340 Coro::schedule;
261 346
262 # wait, to be sure we are not locked 347 # wait, to be sure we are not locked
263 lock_wait $key; 348 lock_wait $key;
264 349
265 $LOCK{$key} = []; 350 $LOCK{$key} = [];
351 $LOCKER{$key} = $Coro::current;#d#
266 352
267 Coro::guard { 353 Coro::guard {
354 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 355 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 356 $_->ready for @{ delete $LOCK{$key} };
270 } 357 }
271} 358}
272 359
360sub lock_active($) {
361 my ($key) = @_;
362
363 ! ! $LOCK{$key}
364}
365
273sub freeze_mainloop { 366sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 367 tick_inhibit_inc;
275 368
276 my $guard = Coro::guard { 369 Coro::guard \&tick_inhibit_dec;
277 $TICK_WATCHER->start; 370}
371
372=item cf::periodic $interval, $cb
373
374Like EV::periodic, but randomly selects a starting point so that the actions
375get spread over timer.
376
377=cut
378
379sub periodic($$) {
380 my ($interval, $cb) = @_;
381
382 my $start = rand List::Util::min 180, $interval;
383
384 EV::periodic $start, $interval, 0, $cb
385}
386
387=item cf::get_slot $time[, $priority[, $name]]
388
389Allocate $time seconds of blocking CPU time at priority C<$priority>:
390This call blocks and returns only when you have at least C<$time> seconds
391of cpu time till the next tick. The slot is only valid till the next cede.
392
393The optional C<$name> can be used to identify the job to run. It might be
394used for statistical purposes and should identify the same time-class.
395
396Useful for short background jobs.
397
398=cut
399
400our @SLOT_QUEUE;
401our $SLOT_QUEUE;
402
403$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404$SLOT_QUEUE = Coro::async {
405 $Coro::current->desc ("timeslot manager");
406
407 my $signal = new Coro::Signal;
408
409 while () {
410 next_job:
411 my $avail = cf::till_tick;
412 if ($avail > 0.01) {
413 for (0 .. $#SLOT_QUEUE) {
414 if ($SLOT_QUEUE[$_][0] < $avail) {
415 my $job = splice @SLOT_QUEUE, $_, 1, ();
416 $job->[2]->send;
417 Coro::cede;
418 goto next_job;
419 }
420 }
421 }
422
423 if (@SLOT_QUEUE) {
424 # we do not use wait_for_tick() as it returns immediately when tick is inactive
425 push @cf::WAIT_FOR_TICK, $signal;
426 $signal->wait;
427 } else {
428 Coro::schedule;
429 }
278 }; 430 }
279 $TICK_WATCHER->stop; 431};
280 $guard 432
433sub get_slot($;$$) {
434 return if tick_inhibit || $Coro::current == $Coro::main;
435
436 my ($time, $pri, $name) = @_;
437
438 $time = $TICK * .6 if $time > $TICK * .6;
439 my $sig = new Coro::Signal;
440
441 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
442 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
443 $SLOT_QUEUE->ready;
444 $sig->wait;
281} 445}
282 446
283=item cf::async { BLOCK } 447=item cf::async { BLOCK }
284 448
285Currently the same as Coro::async_pool, meaning you cannot use 449Currently the same as Coro::async_pool, meaning you cannot use
290 454
291BEGIN { *async = \&Coro::async_pool } 455BEGIN { *async = \&Coro::async_pool }
292 456
293=item cf::sync_job { BLOCK } 457=item cf::sync_job { BLOCK }
294 458
295The design of crossfire+ requires that the main coro ($Coro::main) is 459The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 460is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 461partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
462acceptable.
298 463
299If it must be done, put the blocking parts into C<sync_job>. This will run 464If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 465the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 466server will be frozen during this time, so the block should either finish
302fast or be very important. 467fast or be very important.
305 470
306sub sync_job(&) { 471sub sync_job(&) {
307 my ($job) = @_; 472 my ($job) = @_;
308 473
309 if ($Coro::current == $Coro::main) { 474 if ($Coro::current == $Coro::main) {
475 my $time = EV::time;
476
310 # this is the main coro, too bad, we have to block 477 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 478 # till the operation succeeds, freezing the server :/
312 479
313 # TODO: use suspend/resume instead 480 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 481
315 my $freeze_guard = freeze_mainloop; 482 my $freeze_guard = freeze_mainloop;
316 483
317 my $busy = 1; 484 my $busy = 1;
318 my @res; 485 my @res;
319 486
320 (async { 487 (async {
488 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 489 @res = eval { $job->() };
322 warn $@ if $@; 490 warn $@ if $@;
323 undef $busy; 491 undef $busy;
324 })->prio (Coro::PRIO_MAX); 492 })->prio (Coro::PRIO_MAX);
325 493
326 while ($busy) { 494 while ($busy) {
327 Coro::cede or Event::one_event; 495 if (Coro::nready) {
496 Coro::cede_notself;
497 } else {
498 EV::loop EV::LOOP_ONESHOT;
328 } 499 }
500 }
501
502 my $time = EV::time - $time;
503
504 $TICK_START += $time; # do not account sync jobs to server load
329 505
330 wantarray ? @res : $res[0] 506 wantarray ? @res : $res[0]
331 } else { 507 } else {
332 # we are in another coroutine, how wonderful, everything just works 508 # we are in another coroutine, how wonderful, everything just works
333 509
353 $EXT_CORO{$coro+0} = $coro; 529 $EXT_CORO{$coro+0} = $coro;
354 530
355 $coro 531 $coro
356} 532}
357 533
358sub write_runtime { 534=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 535
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 536Executes the given code block with the given arguments in a seperate
362 or return; 537process, returning the results. Everything must be serialisable with
538Coro::Storable. May, of course, block. Note that the executed sub may
539never block itself or use any form of event handling.
363 540
364 my $value = $cf::RUNTIME + 90 + 10; 541=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 542
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 543sub fork_call(&@) {
369 and return; 544 my ($cb, @args) = @_;
370 545
371 # always fsync - this file is important 546 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 547 # otherwise perl prematurely frees the stuff :/
373 and return; 548 # TODO: investigate and fix (likely this will be rather laborious)
374 549
375 close $fh 550 my @res = Coro::Util::fork_eval {
376 or return; 551 reset_signals;
552 &$cb
553 }, @args;
377 554
378 aio_rename "$runtime~", $runtime 555 wantarray ? @res : $res[-1]
379 and return; 556}
380 557
558=item $coin = coin_from_name $name
559
560=cut
561
562our %coin_alias = (
563 "silver" => "silvercoin",
564 "silvercoin" => "silvercoin",
565 "silvercoins" => "silvercoin",
566 "gold" => "goldcoin",
567 "goldcoin" => "goldcoin",
568 "goldcoins" => "goldcoin",
569 "platinum" => "platinacoin",
570 "platinumcoin" => "platinacoin",
571 "platinumcoins" => "platinacoin",
572 "platina" => "platinacoin",
573 "platinacoin" => "platinacoin",
574 "platinacoins" => "platinacoin",
575 "royalty" => "royalty",
576 "royalties" => "royalty",
577);
578
579sub coin_from_name($) {
580 $coin_alias{$_[0]}
581 ? cf::arch::find $coin_alias{$_[0]}
582 : undef
583}
584
585=item $value = cf::db_get $family => $key
586
587Returns a single value from the environment database.
588
589=item cf::db_put $family => $key => $value
590
591Stores the given C<$value> in the family. It can currently store binary
592data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
593
594=item $db = cf::db_table "name"
595
596Create and/or open a new database table. The string must not be "db" and must be unique
597within each server.
598
599=cut
600
601sub db_table($) {
602 my ($name) = @_;
603 my $db = BDB::db_create $DB_ENV;
604
605 eval {
606 $db->set_flags (BDB::CHKSUM);
607
608 utf8::encode $name;
609 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
610 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
611 cf::cleanup "db_open(db): $!" if $!;
612 };
613 cf::cleanup "db_open(db): $@" if $@;
614
615 $db
616}
617
618our $DB;
619
620sub db_init {
621 cf::sync_job {
622 $DB ||= db_table "db";
623 };
624}
625
626sub db_get($$) {
627 my $key = "$_[0]/$_[1]";
628
629 cf::sync_job {
630 BDB::db_get $DB, undef, $key, my $data;
631
632 $! ? ()
633 : $data
381 1 634 }
635}
636
637sub db_put($$$) {
638 BDB::dbreq_pri 4;
639 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
640}
641
642=item cf::cache $id => [$paths...], $processversion => $process
643
644Generic caching function that returns the value of the resource $id,
645caching and regenerating as required.
646
647This function can block.
648
649=cut
650
651sub cache {
652 my ($id, $src, $processversion, $process) = @_;
653
654 my $meta =
655 join "\x00",
656 $processversion,
657 map {
658 aio_stat $_
659 and Carp::croak "$_: $!";
660
661 ($_, (stat _)[7,9])
662 } @$src;
663
664 my $dbmeta = db_get cache => "$id/meta";
665 if ($dbmeta ne $meta) {
666 # changed, we may need to process
667
668 my @data;
669 my $md5;
670
671 for (0 .. $#$src) {
672 0 <= aio_load $src->[$_], $data[$_]
673 or Carp::croak "$src->[$_]: $!";
674 }
675
676 # if processing is expensive, check
677 # checksum first
678 if (1) {
679 $md5 =
680 join "\x00",
681 $processversion,
682 map {
683 cf::cede_to_tick;
684 ($src->[$_], Digest::MD5::md5_hex $data[$_])
685 } 0.. $#$src;
686
687
688 my $dbmd5 = db_get cache => "$id/md5";
689 if ($dbmd5 eq $md5) {
690 db_put cache => "$id/meta", $meta;
691
692 return db_get cache => "$id/data";
693 }
694 }
695
696 my $t1 = Time::HiRes::time;
697 my $data = $process->(\@data);
698 my $t2 = Time::HiRes::time;
699
700 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
701
702 db_put cache => "$id/data", $data;
703 db_put cache => "$id/md5" , $md5;
704 db_put cache => "$id/meta", $meta;
705
706 return $data;
707 }
708
709 db_get cache => "$id/data"
710}
711
712=item cf::datalog type => key => value, ...
713
714Log a datalog packet of the given type with the given key-value pairs.
715
716=cut
717
718sub datalog($@) {
719 my ($type, %kv) = @_;
720 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 721}
383 722
384=back 723=back
385 724
386=cut 725=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 732attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 733to it. All such attachable objects support the following methods.
395 734
396In the following description, CLASS can be any of C<global>, C<object> 735In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 736C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 737Deliantra).
399 738
400=over 4 739=over 4
401 740
402=item $attachable->attach ($attachment, key => $value...) 741=item $attachable->attach ($attachment, key => $value...)
403 742
566 $registry = $CB_TYPE[$object_type] ||= []; 905 $registry = $CB_TYPE[$object_type] ||= [];
567 906
568 } elsif ($type eq "subtype") { 907 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 908 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 909 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 910 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 911
573 } elsif ($type eq "package") { 912 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 913 my $pkg = shift @arg;
575 914
576 while (my ($name, $id) = each %cb_id) { 915 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 944 _attach $registry, $klass, @attach;
606 } 945 }
607 946
608 $obj->{$name} = \%arg; 947 $obj->{$name} = \%arg;
609 } else { 948 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 949 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 950 }
612 951
613 $obj->{_attachment}{$name} = undef; 952 $obj->{_attachment}{$name} = undef;
614} 953}
615 954
617 if (ref $_[0]) { 956 if (ref $_[0]) {
618 _object_attach @_; 957 _object_attach @_;
619 } else { 958 } else {
620 _attach shift->_attach_registry, @_; 959 _attach shift->_attach_registry, @_;
621 } 960 }
961 _recalc_want;
622}; 962};
623 963
624# all those should be optimised 964# all those should be optimised
625sub cf::attachable::detach { 965sub cf::attachable::detach {
626 my ($obj, $name) = @_; 966 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 969 delete $obj->{_attachment}{$name};
630 reattach ($obj); 970 reattach ($obj);
631 } else { 971 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 972 Carp::croak "cannot, currently, detach class attachments";
633 } 973 }
974 _recalc_want;
634}; 975};
635 976
636sub cf::attachable::attached { 977sub cf::attachable::attached {
637 my ($obj, $name) = @_; 978 my ($obj, $name) = @_;
638 979
653 "; 994 ";
654 die if $@; 995 die if $@;
655} 996}
656 997
657our $override; 998our $override;
658our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 999our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659 1000
660sub override { 1001sub override {
661 $override = 1; 1002 $override = 1;
662 @invoke_results = (); 1003 @INVOKE_RESULTS = (@_);
663} 1004}
664 1005
665sub do_invoke { 1006sub do_invoke {
666 my $event = shift; 1007 my $event = shift;
667 my $callbacks = shift; 1008 my $callbacks = shift;
668 1009
669 @invoke_results = (); 1010 @INVOKE_RESULTS = ();
670 1011
671 local $override; 1012 local $override;
672 1013
673 for (@$callbacks) { 1014 for (@$callbacks) {
674 eval { &{$_->[1]} }; 1015 eval { &{$_->[1]} };
683 } 1024 }
684 1025
685 0 1026 0
686} 1027}
687 1028
688=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689 1030
690=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1031=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691 1032
692Generate an object-specific event with the given arguments. 1033Generate an object-specific event with the given arguments.
693 1034
694This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1035This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695removed in future versions), and there is no public API to access override 1036removed in future versions), and there is no public API to access override
696results (if you must, access C<@cf::invoke_results> directly). 1037results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 1038
698=back 1039=back
699 1040
700=cut 1041=cut
701 1042
702############################################################################# 1043#############################################################################
703# object support 1044# object support
1045
1046sub _object_equal($$);
1047sub _object_equal($$) {
1048 my ($a, $b) = @_;
1049
1050 return 0 unless (ref $a) eq (ref $b);
1051
1052 if ("HASH" eq ref $a) {
1053 my @ka = keys %$a;
1054 my @kb = keys %$b;
1055
1056 return 0 if @ka != @kb;
1057
1058 for (0 .. $#ka) {
1059 return 0 unless $ka[$_] eq $kb[$_];
1060 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1061 }
1062
1063 } elsif ("ARRAY" eq ref $a) {
1064
1065 return 0 if @$a != @$b;
1066
1067 for (0 .. $#$a) {
1068 return 0 unless _object_equal $a->[$_], $b->[$_];
1069 }
1070
1071 } elsif ($a ne $b) {
1072 return 0;
1073 }
1074
1075 1
1076}
1077
1078our $SLOW_MERGES;#d#
1079sub _can_merge {
1080 my ($ob1, $ob2) = @_;
1081
1082 ++$SLOW_MERGES;#d#
1083
1084 # we do the slow way here
1085 return _object_equal $ob1, $ob2
1086}
704 1087
705sub reattach { 1088sub reattach {
706 # basically do the same as instantiate, without calling instantiate 1089 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 1090 my ($obj) = @_;
708 1091
729cf::attachable->attach ( 1112cf::attachable->attach (
730 prio => -1000000, 1113 prio => -1000000,
731 on_instantiate => sub { 1114 on_instantiate => sub {
732 my ($obj, $data) = @_; 1115 my ($obj, $data) = @_;
733 1116
734 $data = from_json $data; 1117 $data = decode_json $data;
735 1118
736 for (@$data) { 1119 for (@$data) {
737 my ($name, $args) = @$_; 1120 my ($name, $args) = @$_;
738 1121
739 $obj->attach ($name, %{$args || {} }); 1122 $obj->attach ($name, %{$args || {} });
755sub object_freezer_save { 1138sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1139 my ($filename, $rdata, $objs) = @_;
757 1140
758 sync_job { 1141 sync_job {
759 if (length $$rdata) { 1142 if (length $$rdata) {
1143 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1144 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1145 $decname, length $$rdata, scalar @$objs;
762 1146
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1147 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1148 aio_chmod $fh, SAVE_MODE;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1149 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1150 aio_fsync $fh if $cf::USE_FSYNC;
767 close $fh; 1151 aio_close $fh;
768 1152
769 if (@$objs) { 1153 if (@$objs) {
770 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
772 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1156 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773 aio_write $fh, 0, (length $data), $data, 0; 1157 aio_write $fh, 0, (length $data), $data, 0;
774 aio_fsync $fh if $cf::USE_FSYNC; 1158 aio_fsync $fh if $cf::USE_FSYNC;
775 close $fh; 1159 aio_close $fh;
776 aio_rename "$filename.pst~", "$filename.pst"; 1160 aio_rename "$filename.pst~", "$filename.pst";
777 } 1161 }
778 } else { 1162 } else {
779 aio_unlink "$filename.pst"; 1163 aio_unlink "$filename.pst";
780 } 1164 }
785 } 1169 }
786 } else { 1170 } else {
787 aio_unlink $filename; 1171 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1172 aio_unlink "$filename.pst";
789 } 1173 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1174 };
797} 1175}
798 1176
799sub object_freezer_as_string { 1177sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1178 my ($rdata, $objs) = @_;
801 1179
806 1184
807sub object_thawer_load { 1185sub object_thawer_load {
808 my ($filename) = @_; 1186 my ($filename) = @_;
809 1187
810 my ($data, $av); 1188 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1189
815 (aio_load $filename, $data) >= 0 1190 (aio_load $filename, $data) >= 0
816 or return; 1191 or return;
817 1192
818 unless (aio_stat "$filename.pst") { 1193 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1194 (aio_load "$filename.pst", $av) >= 0
820 or return; 1195 or return;
1196
821 $av = eval { (Storable::thaw $av)->{objs} }; 1197 my $st = eval { Coro::Storable::thaw $av };
1198 $av = $st->{objs};
822 } 1199 }
823 1200
1201 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1202 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1203 $decname, length $data, scalar @{$av || []};
1204
826 return ($data, $av); 1205 ($data, $av)
827} 1206}
1207
1208=head2 COMMAND CALLBACKS
1209
1210=over 4
1211
1212=cut
828 1213
829############################################################################# 1214#############################################################################
830# command handling &c 1215# command handling &c
831 1216
832=item cf::register_command $name => \&callback($ob,$args); 1217=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1230 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1231}
847 1232
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1233=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1234
850Register a callbackf ro execution when the client sends an extcmd packet. 1235Register a callback for execution when the client sends an (synchronous)
1236extcmd packet. Ext commands will be processed in the order they are
1237received by the server, like other user commands. The first argument is
1238the logged-in player. Ext commands can only be processed after a player
1239has logged in successfully.
851 1240
852If the callback returns something, it is sent back as if reply was being 1241If the callback returns something, it is sent back as if reply was being
853called. 1242called.
854 1243
1244=item cf::register_exticmd $name => \&callback($ns,$packet);
1245
1246Register a callback for execution when the client sends an (asynchronous)
1247exticmd packet. Exti commands are processed by the server as soon as they
1248are received, i.e. out of order w.r.t. other commands. The first argument
1249is a client socket. Exti commands can be received anytime, even before
1250log-in.
1251
1252If the callback returns something, it is sent back as if reply was being
1253called.
1254
855=cut 1255=cut
856 1256
857sub register_extcmd { 1257sub register_extcmd {
858 my ($name, $cb) = @_; 1258 my ($name, $cb) = @_;
859 1259
860 $EXTCMD{$name} = $cb; 1260 $EXTCMD{$name} = $cb;
1261}
1262
1263sub register_exticmd {
1264 my ($name, $cb) = @_;
1265
1266 $EXTICMD{$name} = $cb;
861} 1267}
862 1268
863cf::player->attach ( 1269cf::player->attach (
864 on_command => sub { 1270 on_command => sub {
865 my ($pl, $name, $params) = @_; 1271 my ($pl, $name, $params) = @_;
874 cf::override; 1280 cf::override;
875 }, 1281 },
876 on_extcmd => sub { 1282 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1283 my ($pl, $buf) = @_;
878 1284
879 my $msg = eval { from_json $buf }; 1285 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1286
881 if (ref $msg) { 1287 if (ref $msg) {
1288 my ($type, $reply, @payload) =
1289 "ARRAY" eq ref $msg
1290 ? @$msg
1291 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1292
1293 my @reply;
1294
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1295 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1296 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1297 }
1298
1299 $pl->ext_reply ($reply, @reply)
1300 if $reply;
1301
887 } else { 1302 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1303 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1304 }
890 1305
891 cf::override; 1306 cf::override;
892 }, 1307 },
893); 1308);
894 1309
895sub load_extension {
896 my ($path) = @_;
897
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
899 my $base = $1;
900 my $pkg = $1;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 }
923 die $@;
924 }
925
926 push @EXTS, $pkg;
927}
928
929sub load_extensions { 1310sub load_extensions {
1311 cf::sync_job {
1312 my %todo;
1313
930 for my $ext (<$LIBDIR/*.ext>) { 1314 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1315 next unless -r $path;
932 eval { 1316
933 load_extension $ext; 1317 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1318 my $base = $1;
1319 my $pkg = $1;
1320 $pkg =~ s/[^[:word:]]/_/g;
1321 $pkg = "ext::$pkg";
1322
1323 open my $fh, "<:utf8", $path
1324 or die "$path: $!";
1325
1326 my $source = do { local $/; <$fh> };
1327
1328 my %ext = (
1329 path => $path,
1330 base => $base,
1331 pkg => $pkg,
1332 );
1333
1334 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336
1337 $ext{source} =
1338 "package $pkg; use strict; use utf8;\n"
1339 . "#line 1 \"$path\"\n{\n"
1340 . $source
1341 . "\n};\n1";
1342
1343 $todo{$base} = \%ext;
1344 }
1345
1346 my %done;
1347 while (%todo) {
1348 my $progress;
1349
1350 while (my ($k, $v) = each %todo) {
1351 for (split /,\s*/, $v->{meta}{depends}) {
1352 goto skip
1353 unless exists $done{$_};
1354 }
1355
1356 warn "... loading '$k' into '$v->{pkg}'\n";
1357
1358 unless (eval $v->{source}) {
1359 my $msg = $@ ? "$v->{path}: $@\n"
1360 : "$v->{base}: extension inactive.\n";
1361
1362 if (exists $v->{meta}{mandatory}) {
1363 warn $msg;
1364 cf::cleanup "mandatory extension failed to load, exiting.";
1365 }
1366
1367 warn $msg;
1368 }
1369
1370 $done{$k} = delete $todo{$k};
1371 push @EXTS, $v->{pkg};
1372 $progress = 1;
934 1 1373 }
935 } or warn "$ext not loaded: $@"; 1374
1375 skip:
1376 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1377 unless $progress;
1378 }
936 } 1379 };
937} 1380}
938 1381
939############################################################################# 1382#############################################################################
940 1383
1384=back
1385
941=head2 CORE EXTENSIONS 1386=head2 CORE EXTENSIONS
942 1387
943Functions and methods that extend core crossfire objects. 1388Functions and methods that extend core crossfire objects.
944 1389
945=cut 1390=cut
950 1395
951=head3 cf::player 1396=head3 cf::player
952 1397
953=over 4 1398=over 4
954 1399
1400=item cf::player::num_playing
1401
1402Returns the official number of playing players, as per the Crossfire metaserver rules.
1403
1404=cut
1405
1406sub num_playing {
1407 scalar grep
1408 $_->ob->map
1409 && !$_->hidden
1410 && !$_->ob->flag (cf::FLAG_WIZ),
1411 cf::player::list
1412}
1413
955=item cf::player::find $login 1414=item cf::player::find $login
956 1415
957Returns the given player object, loading it if necessary (might block). 1416Returns the given player object, loading it if necessary (might block).
958 1417
959=cut 1418=cut
960 1419
961sub playerdir($) { 1420sub playerdir($) {
962 cf::localdir 1421 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1422 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1423}
968 1424
969sub path($) { 1425sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1426 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1427
972 (playerdir $login) . "/$login.pl" 1428 (playerdir $login) . "/playerdata"
973} 1429}
974 1430
975sub find_active($) { 1431sub find_active($) {
976 $cf::PLAYER{$_[0]} 1432 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1433 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1446 my $login = $_[0];
991 1447
992 my $guard = cf::lock_acquire "user_find:$login"; 1448 my $guard = cf::lock_acquire "user_find:$login";
993 1449
994 $cf::PLAYER{$_[0]} || do { 1450 $cf::PLAYER{$_[0]} || do {
995 my $pl = load_pl path $login 1451 # rename old playerfiles to new ones
1452 #TODO: remove when no longer required
1453 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1454 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1455 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1456 aio_unlink +(playerdir $login) . "/$login.pl";
1457
1458 my $f = new_from_file cf::object::thawer path $login
996 or return; 1459 or return;
1460
1461 my $pl = cf::player::load_pl $f
1462 or return;
1463
1464 local $cf::PLAYER_LOADING{$login} = $pl;
1465 $f->resolve_delayed_derefs;
997 $cf::PLAYER{$login} = $pl 1466 $cf::PLAYER{$login} = $pl
998 } 1467 }
999 } 1468 }
1000} 1469}
1001 1470
1010 return if $pl->{deny_save}; 1479 return if $pl->{deny_save};
1011 1480
1012 aio_mkdir playerdir $pl, 0770; 1481 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1482 $pl->{last_save} = $cf::RUNTIME;
1014 1483
1484 cf::get_slot 0.01;
1485
1015 $pl->save_pl ($path); 1486 $pl->save_pl ($path);
1016 Coro::cede; 1487 cf::cede_to_tick;
1017} 1488}
1018 1489
1019sub new($) { 1490sub new($) {
1020 my ($login) = @_; 1491 my ($login) = @_;
1021 1492
1027 $cf::PLAYER{$login} = $self; 1498 $cf::PLAYER{$login} = $self;
1028 1499
1029 $self 1500 $self
1030} 1501}
1031 1502
1503=item $player->send_msg ($channel, $msg, $color, [extra...])
1504
1505=cut
1506
1507sub send_msg {
1508 my $ns = shift->ns
1509 or return;
1510 $ns->send_msg (@_);
1511}
1512
1032=item $pl->quit_character 1513=item $pl->quit_character
1033 1514
1034Nukes the player without looking back. If logged in, the connection will 1515Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1516be destroyed. May block for a long time.
1036 1517
1037=cut 1518=cut
1038 1519
1039sub quit_character { 1520sub quit_character {
1040 my ($pl) = @_; 1521 my ($pl) = @_;
1041 1522
1523 my $name = $pl->ob->name;
1524
1042 $pl->{deny_save} = 1; 1525 $pl->{deny_save} = 1;
1043 $pl->password ("*"); # this should lock out the player until we nuked the dir 1526 $pl->password ("*"); # this should lock out the player until we nuked the dir
1044 1527
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1528 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046 $pl->deactivate; 1529 $pl->deactivate;
1530 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531 $pl->ob->check_score;
1047 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1532 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1048 $pl->ns->destroy if $pl->ns; 1533 $pl->ns->destroy if $pl->ns;
1049 1534
1050 my $path = playerdir $pl; 1535 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1536 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1537 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1538 delete $cf::PLAYER{$pl->ob->name};
1054 $pl->destroy; 1539 $pl->destroy;
1540
1541 my $prefix = qr<^~\Q$name\E/>;
1542
1543 # nuke player maps
1544 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1545
1055 IO::AIO::aio_rmtree $temp; 1546 IO::AIO::aio_rmtree $temp;
1547}
1548
1549=item $pl->kick
1550
1551Kicks a player out of the game. This destroys the connection.
1552
1553=cut
1554
1555sub kick {
1556 my ($pl, $kicker) = @_;
1557
1558 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1559 $pl->killer ("kicked");
1560 $pl->ns->destroy;
1056} 1561}
1057 1562
1058=item cf::player::list_logins 1563=item cf::player::list_logins
1059 1564
1060Returns am arrayref of all valid playernames in the system, can take a 1565Returns am arrayref of all valid playernames in the system, can take a
1061while and may block, so not sync_job-capable, ever. 1566while and may block, so not sync_job-capable, ever.
1062 1567
1063=cut 1568=cut
1064 1569
1065sub list_logins { 1570sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1571 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1572 or return [];
1068 1573
1069 my @logins; 1574 my @logins;
1070 1575
1071 for my $login (@$dirs) { 1576 for my $login (@$dirs) {
1577 my $path = path $login;
1578
1579 # a .pst is a dead give-away for a valid player
1580 # if no pst file found, open and chekc for blocked users
1581 if (aio_stat "$path.pst") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1582 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1583 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1584 $buf !~ /^password -------------$/m or next; # official not-valid tag
1585 }
1075 1586
1076 utf8::decode $login; 1587 utf8::decode $login;
1077 push @logins, $login; 1588 push @logins, $login;
1078 } 1589 }
1079 1590
1106 } 1617 }
1107 1618
1108 \@paths 1619 \@paths
1109} 1620}
1110 1621
1622=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1623
1624Expand crossfire pod fragments into protocol xml.
1625
1626=cut
1627
1628use re 'eval';
1629
1630my $group;
1631my $interior; $interior = qr{
1632 # match a pod interior sequence sans C<< >>
1633 (?:
1634 \ (.*?)\ (?{ $group = $^N })
1635 | < (??{$interior}) >
1636 )
1637}x;
1638
1639sub expand_cfpod {
1640 my ($self, $pod) = @_;
1641
1642 my $xml;
1643
1644 while () {
1645 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646 $group = $1;
1647
1648 $group =~ s/&/&amp;/g;
1649 $group =~ s/</&lt;/g;
1650
1651 $xml .= $group;
1652 } elsif ($pod =~ m%\G
1653 ([BCGHITU])
1654 <
1655 (?:
1656 ([^<>]*) (?{ $group = $^N })
1657 | < $interior >
1658 )
1659 >
1660 %gcsx
1661 ) {
1662 my ($code, $data) = ($1, $group);
1663
1664 if ($code eq "B") {
1665 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666 } elsif ($code eq "I") {
1667 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668 } elsif ($code eq "U") {
1669 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670 } elsif ($code eq "C") {
1671 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672 } elsif ($code eq "T") {
1673 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674 } elsif ($code eq "G") {
1675 my ($male, $female) = split /\|/, $data;
1676 $data = $self->gender ? $female : $male;
1677 $xml .= expand_cfpod ($self, $data);
1678 } elsif ($code eq "H") {
1679 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681 "")
1682 [$self->{hintmode}];
1683 } else {
1684 $xml .= "error processing '$code($data)' directive";
1685 }
1686 } else {
1687 if ($pod =~ /\G(.+)/) {
1688 warn "parse error while expanding $pod (at $1)";
1689 }
1690 last;
1691 }
1692 }
1693
1694 for ($xml) {
1695 # create single paragraphs (very hackish)
1696 s/(?<=\S)\n(?=\w)/ /g;
1697
1698 # compress some whitespace
1699 s/\s+\n/\n/g; # ws line-ends
1700 s/\n\n+/\n/g; # double lines
1701 s/^\n+//; # beginning lines
1702 s/\n+$//; # ending lines
1703 }
1704
1705 $xml
1706}
1707
1708no re 'eval';
1709
1710sub hintmode {
1711 $_[0]{hintmode} = $_[1] if @_ > 1;
1712 $_[0]{hintmode}
1713}
1714
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1715=item $player->ext_reply ($msgid, @msg)
1112 1716
1113Sends an ext reply to the player. 1717Sends an ext reply to the player.
1114 1718
1115=cut 1719=cut
1116 1720
1117sub ext_reply($$$%) { 1721sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1722 my ($self, $id, @msg) = @_;
1119 1723
1120 $msg{msgid} = $id; 1724 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1725}
1124 1726
1125package cf; 1727=item $player->ext_msg ($type, @msg)
1728
1729Sends an ext event to the client.
1730
1731=cut
1732
1733sub ext_msg($$@) {
1734 my ($self, $type, @msg) = @_;
1735
1736 $self->ns->ext_msg ($type, @msg);
1737}
1738
1739=head3 cf::region
1740
1741=over 4
1742
1743=cut
1744
1745package cf::region;
1746
1747=item cf::region::find_by_path $path
1748
1749Tries to decuce the likely region for a map knowing only its path.
1750
1751=cut
1752
1753sub find_by_path($) {
1754 my ($path) = @_;
1755
1756 my ($match, $specificity);
1757
1758 for my $region (list) {
1759 if ($region->{match} && $path =~ $region->{match}) {
1760 ($match, $specificity) = ($region, $region->specificity)
1761 if $region->specificity > $specificity;
1762 }
1763 }
1764
1765 $match
1766}
1126 1767
1127=back 1768=back
1128
1129 1769
1130=head3 cf::map 1770=head3 cf::map
1131 1771
1132=over 4 1772=over 4
1133 1773
1145our $MAX_RESET = 3600; 1785our $MAX_RESET = 3600;
1146our $DEFAULT_RESET = 3000; 1786our $DEFAULT_RESET = 3000;
1147 1787
1148sub generate_random_map { 1788sub generate_random_map {
1149 my ($self, $rmp) = @_; 1789 my ($self, $rmp) = @_;
1790
1791 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1792
1150 # mit "rum" bekleckern, nicht 1793 # mit "rum" bekleckern, nicht
1151 $self->_create_random_map ( 1794 $self->_create_random_map (
1152 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1795 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1796 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1797 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1188 my ($self, $merge) = @_; 1831 my ($self, $merge) = @_;
1189 1832
1190 # we have to keep some variables in memory intact 1833 # we have to keep some variables in memory intact
1191 local $self->{path}; 1834 local $self->{path};
1192 local $self->{load_path}; 1835 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1836
1196 $self->SUPER::thawer_merge ($merge); 1837 $self->SUPER::thawer_merge ($merge);
1197} 1838}
1198 1839
1199sub normalise { 1840sub normalise {
1246 $self->init; # pass $1 etc. 1887 $self->init; # pass $1 etc.
1247 return $self; 1888 return $self;
1248 } 1889 }
1249 } 1890 }
1250 1891
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1892 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1893 ()
1253} 1894}
1254 1895
1255sub init { 1896sub init {
1256 my ($self) = @_; 1897 my ($self) = @_;
1271 1912
1272# the original (read-only) location 1913# the original (read-only) location
1273sub load_path { 1914sub load_path {
1274 my ($self) = @_; 1915 my ($self) = @_;
1275 1916
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1917 "$MAPDIR/$self->{path}.map"
1277} 1918}
1278 1919
1279# the temporary/swap location 1920# the temporary/swap location
1280sub save_path { 1921sub save_path {
1281 my ($self) = @_; 1922 my ($self) = @_;
1282 1923
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1924 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1925 "$TMPDIR/$path.map"
1285} 1926}
1286 1927
1287# the unique path, undef == no special unique path 1928# the unique path, undef == no special unique path
1288sub uniq_path { 1929sub uniq_path {
1289 my ($self) = @_; 1930 my ($self) = @_;
1290 1931
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1933 "$UNIQUEDIR/$path"
1293} 1934}
1294 1935
1295# and all this just because we cannot iterate over 1936# and all this just because we cannot iterate over
1296# all maps in C++... 1937# all maps in C++...
1297sub change_all_map_light { 1938sub change_all_map_light {
1299 1940
1300 $_->change_map_light ($change) 1941 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1942 for grep $_->outdoor, values %cf::MAP;
1302} 1943}
1303 1944
1945sub decay_objects {
1946 my ($self) = @_;
1947
1948 return if $self->{deny_reset};
1949
1950 $self->do_decay_objects;
1951}
1952
1304sub unlink_save { 1953sub unlink_save {
1305 my ($self) = @_; 1954 my ($self) = @_;
1306 1955
1307 utf8::encode (my $save = $self->save_path); 1956 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1959}
1316 1960
1317sub load_header_from($) { 1961sub load_header_from($) {
1318 my ($self, $path) = @_; 1962 my ($self, $path) = @_;
1319 1963
1320 utf8::encode $path; 1964 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1965 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 or return; 1966 or return;
1967
1968 $self->_load_header ($f)
1969 or return;
1970
1971 local $MAP_LOADING{$self->{path}} = $self;
1972 $f->resolve_delayed_derefs;
1326 1973
1327 $self->{load_path} = $path; 1974 $self->{load_path} = $path;
1328 1975
1329 1 1976 1
1330} 1977}
1369 $self->load_header_orig 2016 $self->load_header_orig
1370 or return; 2017 or return;
1371 $self->prepare_orig; 2018 $self->prepare_orig;
1372 } 2019 }
1373 2020
2021 $self->{deny_reset} = 1
2022 if $self->no_reset;
2023
2024 $self->default_region (cf::region::find_by_path $self->{path})
2025 unless $self->default_region;
2026
1374 1 2027 1
1375} 2028}
1376 2029
1377sub find; 2030sub find;
1378sub find { 2031sub find {
1379 my ($path, $origin) = @_; 2032 my ($path, $origin) = @_;
1380 2033
1381 $path = normalise $path, $origin && $origin->path; 2034 $path = normalise $path, $origin && $origin->path;
1382 2035
2036 cf::lock_wait "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 2037 cf::lock_wait "map_find:$path";
1384 2038
1385 $cf::MAP{$path} || do { 2039 $cf::MAP{$path} || do {
2040 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1386 my $guard = cf::lock_acquire "map_find:$path"; 2041 my $guard2 = cf::lock_acquire "map_find:$path";
2042
1387 my $map = new_from_path cf::map $path 2043 my $map = new_from_path cf::map $path
1388 or return; 2044 or return;
1389 2045
1390 $map->{last_save} = $cf::RUNTIME; 2046 $map->{last_save} = $cf::RUNTIME;
1391 2047
1392 $map->load_header 2048 $map->load_header
1393 or return; 2049 or return;
1394 2050
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2051 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 2052 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 2053 #$cf::WAIT_FOR_TICK->wait;
2054 undef $guard2;
2055 undef $guard1;
1398 $map->reset; 2056 $map->reset;
1399 undef $guard;
1400 return find $path; 2057 return find $path;
1401 } 2058 }
1402 2059
1403 $cf::MAP{$path} = $map 2060 $cf::MAP{$path} = $map
1404 } 2061 }
1411 my ($self) = @_; 2068 my ($self) = @_;
1412 2069
1413 local $self->{deny_reset} = 1; # loading can take a long time 2070 local $self->{deny_reset} = 1; # loading can take a long time
1414 2071
1415 my $path = $self->{path}; 2072 my $path = $self->{path};
2073
2074 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 2075 my $guard = cf::lock_acquire "map_data:$path";
1417 2076
2077 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 2078 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 2079
1420 $self->in_memory (cf::MAP_LOADING); 2080 $self->in_memory (cf::MAP_LOADING);
1421 2081
1422 $self->alloc; 2082 $self->alloc;
1423 2083
1424 $self->pre_load; 2084 $self->pre_load;
2085 cf::cede_to_tick;
1425 2086
1426 $self->_load_objects ($self->{load_path}, 1) 2087 my $f = new_from_file cf::object::thawer $self->{load_path};
2088 $f->skip_block;
2089 $self->_load_objects ($f)
1427 or return; 2090 or return;
1428 2091
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2092 $self->post_load_original
1430 if delete $self->{load_original}; 2093 if delete $self->{load_original};
1431 2094
1432 if (my $uniq = $self->uniq_path) { 2095 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 2096 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 2097 unless (aio_stat $uniq) {
2098 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 2099 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 2100 $self->_load_objects ($f);
2101 $f->resolve_delayed_derefs;
2102 }
1437 } 2103 }
1438 } 2104 }
1439 2105
1440 Coro::cede; 2106 $f->resolve_delayed_derefs;
1441 2107
2108 cf::cede_to_tick;
1442 # now do the right thing for maps 2109 # now do the right thing for maps
1443 $self->link_multipart_objects; 2110 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede;
1450 $self->set_darkness_map;
1451 $self->difficulty ($self->estimate_difficulty) 2111 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 2112 unless $self->difficulty;
1453 Coro::cede; 2113 cf::cede_to_tick;
2114
2115 unless ($self->{deny_activate}) {
2116 $self->decay_objects;
2117 $self->fix_auto_apply;
2118 $self->update_buttons;
2119 cf::cede_to_tick;
2120 $self->set_darkness_map;
2121 cf::cede_to_tick;
1454 $self->activate; 2122 $self->activate;
2123 }
2124
2125 $self->{last_save} = $cf::RUNTIME;
2126 $self->last_access ($cf::RUNTIME);
2127
2128 $self->in_memory (cf::MAP_ACTIVE);
1455 } 2129 }
1456 2130
1457 $self->post_load; 2131 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 2132}
1461 2133
1462sub customise_for { 2134sub customise_for {
1463 my ($self, $ob) = @_; 2135 my ($self, $ob) = @_;
1464 2136
1465 return find "~" . $ob->name . "/" . $self->{path} 2137 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 2138 if $self->per_player;
1467 2139
2140# return find "?party/" . $ob->name . "/" . $self->{path}
2141# if $self->per_party;
2142
1468 $self 2143 $self
1469} 2144}
1470 2145
1471# find and load all maps in the 3x3 area around a map 2146# find and load all maps in the 3x3 area around a map
1472sub load_diag { 2147sub load_neighbours {
1473 my ($map) = @_; 2148 my ($map) = @_;
1474 2149
1475 my @diag; # diagonal neighbours 2150 my @neigh; # diagonal neighbours
1476 2151
1477 for (0 .. 3) { 2152 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 2153 my $neigh = $map->tile_path ($_)
1479 or next; 2154 or next;
1480 $neigh = find $neigh, $map 2155 $neigh = find $neigh, $map
1481 or next; 2156 or next;
1482 $neigh->load; 2157 $neigh->load;
1483 2158
2159 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2160 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2161 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2162 }
1487 2163
1488 for (@diag) { 2164 for (grep defined $_->[0], @neigh) {
2165 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2166 my $neigh = find $path, $origin
1490 or next; 2167 or next;
1491 $neigh->load; 2168 $neigh->load;
1492 } 2169 }
1493} 2170}
1494 2171
1499} 2176}
1500 2177
1501sub do_load_sync { 2178sub do_load_sync {
1502 my ($map) = @_; 2179 my ($map) = @_;
1503 2180
2181 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2182 if $Coro::current == $Coro::main;
2183
1504 cf::sync_job { $map->load }; 2184 cf::sync_job { $map->load };
1505} 2185}
1506 2186
1507our %MAP_PREFETCH; 2187our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2188our $MAP_PREFETCHER = undef;
1509 2189
1510sub find_async { 2190sub find_async {
1511 my ($path, $origin) = @_; 2191 my ($path, $origin, $load) = @_;
1512 2192
1513 $path = normalise $path, $origin && $origin->{path}; 2193 $path = normalise $path, $origin && $origin->{path};
1514 2194
1515 if (my $map = $cf::MAP{$path}) { 2195 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2196 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517 } 2197 }
1518 2198
1519 undef $MAP_PREFETCH{$path}; 2199 $MAP_PREFETCH{$path} |= $load;
2200
1520 $MAP_PREFETCHER ||= cf::async { 2201 $MAP_PREFETCHER ||= cf::async {
2202 $Coro::current->{desc} = "map prefetcher";
2203
1521 while (%MAP_PREFETCH) { 2204 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2205 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2206 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2207 $map->load if $v;
2208 }
1526 2209
1527 delete $MAP_PREFETCH{$path}; 2210 delete $MAP_PREFETCH{$k};
1528 } 2211 }
1529 } 2212 }
1530 undef $MAP_PREFETCHER; 2213 undef $MAP_PREFETCHER;
1531 }; 2214 };
1532 $MAP_PREFETCHER->prio (6); 2215 $MAP_PREFETCHER->prio (6);
1535} 2218}
1536 2219
1537sub save { 2220sub save {
1538 my ($self) = @_; 2221 my ($self) = @_;
1539 2222
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2223 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2224
1542 $self->{last_save} = $cf::RUNTIME; 2225 $self->{last_save} = $cf::RUNTIME;
1543 2226
1544 return unless $self->dirty; 2227 return unless $self->dirty;
1545 2228
1551 return if $self->{deny_save}; 2234 return if $self->{deny_save};
1552 2235
1553 local $self->{last_access} = $self->last_access;#d# 2236 local $self->{last_access} = $self->last_access;#d#
1554 2237
1555 cf::async { 2238 cf::async {
2239 $Coro::current->{desc} = "map player save";
1556 $_->contr->save for $self->players; 2240 $_->contr->save for $self->players;
1557 }; 2241 };
2242
2243 cf::get_slot 0.02;
1558 2244
1559 if ($uniq) { 2245 if ($uniq) {
1560 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2247 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1562 } else { 2248 } else {
1568 my ($self) = @_; 2254 my ($self) = @_;
1569 2255
1570 # save first because save cedes 2256 # save first because save cedes
1571 $self->save; 2257 $self->save;
1572 2258
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2260
1575 return if $self->players; 2261 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2262 return if $self->in_memory != cf::MAP_ACTIVE;
1577 return if $self->{deny_save}; 2263 return if $self->{deny_save};
1578 2264
2265 $self->in_memory (cf::MAP_SWAPPED);
2266
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2269 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2270}
1582 2271
1583sub reset_at { 2272sub reset_at {
1584 my ($self) = @_; 2273 my ($self) = @_;
1585 2274
1586 # TODO: safety, remove and allow resettable per-player maps 2275 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 2276 return 1e99 if $self->{deny_reset};
1589 2277
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2278 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2279 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 2280
1603 my ($self) = @_; 2291 my ($self) = @_;
1604 2292
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2293 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2294
1607 return if $self->players; 2295 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2296
1610 warn "resetting map ", $self->path;#d# 2297 warn "resetting map ", $self->path;
1611 2298
1612 $self->in_memory (cf::MAP_SWAPPED); 2299 $self->in_memory (cf::MAP_SWAPPED);
1613 2300
1614 # need to save uniques path 2301 # need to save uniques path
1615 unless ($self->{deny_save}) { 2302 unless ($self->{deny_save}) {
1619 if $uniq; 2306 if $uniq;
1620 } 2307 }
1621 2308
1622 delete $cf::MAP{$self->path}; 2309 delete $cf::MAP{$self->path};
1623 2310
2311 $self->deactivate;
2312 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2313 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2314
1628 $self->unlink_save; 2315 $self->unlink_save;
1629 $self->destroy; 2316 $self->destroy;
1630} 2317}
1631 2318
1632my $nuke_counter = "aaaa"; 2319my $nuke_counter = "aaaa";
1633 2320
1634sub nuke { 2321sub nuke {
1635 my ($self) = @_; 2322 my ($self) = @_;
1636 2323
2324 {
2325 my $lock = cf::lock_acquire "map_data:$self->{path}";
2326
1637 delete $cf::MAP{$self->path}; 2327 delete $cf::MAP{$self->path};
1638 2328
1639 $self->unlink_save; 2329 $self->unlink_save;
1640 2330
1641 bless $self, "cf::map"; 2331 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2332 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2333 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2334 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2335 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2336
1647 $cf::MAP{$self->path} = $self; 2337 $cf::MAP{$self->path} = $self;
2338 }
1648 2339
1649 $self->reset; # polite request, might not happen 2340 $self->reset; # polite request, might not happen
2341}
2342
2343=item $maps = cf::map::tmp_maps
2344
2345Returns an arrayref with all map paths of currently instantiated and saved
2346maps. May block.
2347
2348=cut
2349
2350sub tmp_maps() {
2351 [
2352 map {
2353 utf8::decode $_;
2354 /\.map$/
2355 ? normalise $_
2356 : ()
2357 } @{ aio_readdir $TMPDIR or [] }
2358 ]
2359}
2360
2361=item $maps = cf::map::random_maps
2362
2363Returns an arrayref with all map paths of currently instantiated and saved
2364random maps. May block.
2365
2366=cut
2367
2368sub random_maps() {
2369 [
2370 map {
2371 utf8::decode $_;
2372 /\.map$/
2373 ? normalise "?random/$_"
2374 : ()
2375 } @{ aio_readdir $RANDOMDIR or [] }
2376 ]
1650} 2377}
1651 2378
1652=item cf::map::unique_maps 2379=item cf::map::unique_maps
1653 2380
1654Returns an arrayref of paths of all shared maps that have 2381Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2382instantiated unique items. May block.
1656 2383
1657=cut 2384=cut
1658 2385
1659sub unique_maps() { 2386sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2387 [
1661 or return; 2388 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2389 utf8::decode $_;
1667 next if /\.pst$/; 2390 s/\.map$//; # TODO future compatibility hack
1668 next unless /^$PATH_SEP/o; 2391 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669 2392 ? ()
1670 push @paths, cf::map::normalise $_; 2393 : normalise $_
2394 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2395 ]
1672
1673 \@paths
1674} 2396}
1675
1676package cf;
1677 2397
1678=back 2398=back
1679 2399
1680=head3 cf::object 2400=head3 cf::object
1681 2401
1685 2405
1686=over 4 2406=over 4
1687 2407
1688=item $ob->inv_recursive 2408=item $ob->inv_recursive
1689 2409
1690Returns the inventory of the object _and_ their inventories, recursively. 2410Returns the inventory of the object I<and> their inventories, recursively,
2411but I<not> the object itself.
1691 2412
1692=cut 2413=cut
1693 2414
1694sub inv_recursive_; 2415sub inv_recursive_;
1695sub inv_recursive_ { 2416sub inv_recursive_ {
1698 2419
1699sub inv_recursive { 2420sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2421 inv_recursive_ inv $_[0]
1701} 2422}
1702 2423
2424=item $ref = $ob->ref
2425
2426Creates and returns a persistent reference to an object that can be stored as a string.
2427
2428=item $ob = cf::object::deref ($refstring)
2429
2430returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2431even if the object actually exists. May block.
2432
2433=cut
2434
2435sub deref {
2436 my ($ref) = @_;
2437
2438 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2439 my ($uuid, $name) = ($1, $2);
2440 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2441 or return;
2442 $pl->ob->uuid eq $uuid
2443 or return;
2444
2445 $pl->ob
2446 } else {
2447 warn "$ref: cannot resolve object reference\n";
2448 undef
2449 }
2450}
2451
1703package cf; 2452package cf;
1704 2453
1705=back 2454=back
1706 2455
1707=head3 cf::object::player 2456=head3 cf::object::player
1713Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2462Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714can be C<undef>. Does the right thing when the player is currently in a 2463can be C<undef>. Does the right thing when the player is currently in a
1715dialogue with the given NPC character. 2464dialogue with the given NPC character.
1716 2465
1717=cut 2466=cut
2467
2468our $SAY_CHANNEL = {
2469 id => "say",
2470 title => "Map",
2471 reply => "say ",
2472 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2473};
2474
2475our $CHAT_CHANNEL = {
2476 id => "chat",
2477 title => "Chat",
2478 reply => "chat ",
2479 tooltip => "Player chat and shouts, global to the server.",
2480};
1718 2481
1719# rough implementation of a future "reply" method that works 2482# rough implementation of a future "reply" method that works
1720# with dialog boxes. 2483# with dialog boxes.
1721#TODO: the first argument must go, split into a $npc->reply_to ( method 2484#TODO: the first argument must go, split into a $npc->reply_to ( method
1722sub cf::object::player::reply($$$;$) { 2485sub cf::object::player::reply($$$;$) {
1724 2487
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2488 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2489
1727 if ($self->{record_replies}) { 2490 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2491 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2492
1729 } else { 2493 } else {
2494 my $pl = $self->contr;
2495
2496 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2497 my $dialog = $pl->{npc_dialog};
2498 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2499
2500 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2501 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2502 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2503 }
1732 } 2504 }
2505}
2506
2507=item $object->send_msg ($channel, $msg, $color, [extra...])
2508
2509=cut
2510
2511sub cf::object::send_msg {
2512 my $pl = shift->contr
2513 or return;
2514 $pl->send_msg (@_);
1733} 2515}
1734 2516
1735=item $player_object->may ("access") 2517=item $player_object->may ("access")
1736 2518
1737Returns wether the given player is authorized to access resource "access" 2519Returns wether the given player is authorized to access resource "access"
1784 $self->deactivate_recursive; 2566 $self->deactivate_recursive;
1785 2567
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2568 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2569
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2570 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2571 if $self->map && $self->map->{path} ne "{link}";
1790 2572
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2573 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2574}
1793 2575
1794sub cf::object::player::leave_link { 2576sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2577 my ($self, $map, $x, $y) = @_;
2578
2579 return unless $self->contr->active;
1796 2580
1797 my $link_pos = delete $self->{_link_pos}; 2581 my $link_pos = delete $self->{_link_pos};
1798 2582
1799 unless ($map) { 2583 unless ($map) {
1800 # restore original map position 2584 # restore original map position
1814 # use -1 or undef as default coordinates, not 0, 0 2598 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2599 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2600 if $x <=0 && $y <= 0;
1817 2601
1818 $map->load; 2602 $map->load;
1819 $map->load_diag; 2603 $map->load_neighbours;
1820 2604
1821 return unless $self->contr->active; 2605 return unless $self->contr->active;
1822 $self->activate_recursive; 2606 $self->activate_recursive;
1823 2607
1824 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 2609 $self->enter_map ($map, $x, $y);
1826} 2610}
1827 2611
1828cf::player->attach ( 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2613
1832 # abort map switching before logout 2614Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2615her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2616that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2617the new (success) or old (failed) map position. In either case, $done will
1836 }; 2618be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2619
1842 # try to abort aborted map switching on player login :) 2620Note that $check will be called with a potentially non-loaded map, so if
1843 # should happen only on crashes 2621it needs a loaded map it has to call C<< ->load >>.
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 # we need this sleep as the login has a concurrent enter_exit running
1852 # and this sleep increases chances of the player not ending up in scorn
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859 2622
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2623=cut
2624
2625our $GOTOGEN;
1863 2626
1864sub cf::object::player::goto { 2627sub cf::object::player::goto {
1865 my ($self, $path, $x, $y) = @_; 2628 my ($self, $path, $x, $y, $check, $done) = @_;
2629
2630 # do generation counting so two concurrent goto's will be executed in-order
2631 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866 2632
1867 $self->enter_link; 2633 $self->enter_link;
1868 2634
1869 (async { 2635 (async {
2636 $Coro::current->{desc} = "player::goto $path $x $y";
2637
2638 # *tag paths override both path and x|y
2639 if ($path =~ /^\*(.*)$/) {
2640 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2641 my $ob = $obs[rand @obs];
2642
2643 # see if we actually can go there
2644 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2645 $ob = $obs[rand @obs];
2646 } else {
2647 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2648 }
2649 # else put us there anyways for now #d#
2650
2651 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2652 } else {
2653 ($path, $x, $y) = (undef, undef, undef);
2654 }
2655 }
2656
1870 my $map = eval { 2657 my $map = eval {
1871 my $map = cf::map::find $path; 2658 my $map = defined $path ? cf::map::find $path : undef;
2659
2660 if ($map) {
1872 $map = $map->customise_for ($self) if $map; 2661 $map = $map->customise_for ($self);
2662 $map = $check->($map) if $check && $map;
2663 } else {
2664 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2665 }
2666
1873 $map 2667 $map
2668 };
2669
2670 if ($@) {
2671 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2672 LOG llevError | logBacktrace, Carp::longmess $@;
1874 } or 2673 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2674
2675 if ($gen == $self->{_goto_generation}) {
2676 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2677 $self->leave_link ($map, $x, $y);
2678 }
2679
2680 $done->() if $done;
1878 })->prio (1); 2681 })->prio (1);
1879} 2682}
1880 2683
1881=item $player_object->enter_exit ($exit_object) 2684=item $player_object->enter_exit ($exit_object)
1882 2685
1902} 2705}
1903 2706
1904sub prepare_random_map { 2707sub prepare_random_map {
1905 my ($exit) = @_; 2708 my ($exit) = @_;
1906 2709
1907 my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909 # all this does is basically replace the /! path by 2710 # all this does is basically replace the /! path by
1910 # a new random map path (?random/...) with a seed 2711 # a new random map path (?random/...) with a seed
1911 # that depends on the exit object 2712 # that depends on the exit object
1912 2713
1913 my $rmp = parse_random_map_params $exit->msg; 2714 my $rmp = parse_random_map_params $exit->msg;
1915 if ($exit->map) { 2716 if ($exit->map) {
1916 $rmp->{region} = $exit->region->name; 2717 $rmp->{region} = $exit->region->name;
1917 $rmp->{origin_map} = $exit->map->path; 2718 $rmp->{origin_map} = $exit->map->path;
1918 $rmp->{origin_x} = $exit->x; 2719 $rmp->{origin_x} = $exit->x;
1919 $rmp->{origin_y} = $exit->y; 2720 $rmp->{origin_y} = $exit->y;
2721
2722 $exit->map->touch;
1920 } 2723 }
1921 2724
1922 $rmp->{random_seed} ||= $exit->random_seed; 2725 $rmp->{random_seed} ||= $exit->random_seed;
1923 2726
1924 my $data = cf::to_json $rmp; 2727 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925 my $md5 = Digest::MD5::md5_hex $data; 2728 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2729 my $meta = "$RANDOMDIR/$md5.meta";
1927 2730
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2731 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2732 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2733 undef $fh;
1931 aio_rename "$meta~", $meta; 2734 aio_rename "$meta~", $meta;
1932 2735
2736 my $slaying = "?random/$md5";
2737
2738 if ($exit->valid) {
1933 $exit->slaying ("?random/$md5"); 2739 $exit->slaying ("?random/$md5");
1934 $exit->msg (undef); 2740 $exit->msg (undef);
2741 }
1935 } 2742 }
1936} 2743}
1937 2744
1938sub cf::object::player::enter_exit { 2745sub cf::object::player::enter_exit {
1939 my ($self, $exit) = @_; 2746 my ($self, $exit) = @_;
1940 2747
1941 return unless $self->type == cf::PLAYER; 2748 return unless $self->type == cf::PLAYER;
1942 2749
1943 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job
1945 cf::sync_job { prepare_random_map $exit };
1946 }
1947
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp;
1951
1952 $self->enter_link; 2750 $self->enter_link;
1953 2751
1954 (async { 2752 (async {
1955 $self->deactivate_recursive; # just to be sure 2753 $Coro::current->{desc} = "enter_exit";
2754
1956 unless (eval { 2755 unless (eval {
2756 $self->deactivate_recursive; # just to be sure
2757
2758 # random map handling
2759 {
2760 my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762 prepare_random_map $exit
2763 if $exit->slaying eq "/!";
2764 }
2765
2766 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2767 my $x = $exit->stats->hp;
2768 my $y = $exit->stats->sp;
2769
1957 $self->goto ($slaying, $hp, $sp); 2770 $self->goto ($map, $x, $y);
1958 2771
2772 # if exit is damned, update players death & WoR home-position
2773 $self->contr->savebed ($map, $x, $y)
2774 if $exit->flag (cf::FLAG_DAMNED);
2775
1959 1; 2776 1
1960 }) { 2777 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2779 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2782
1966 warn "ERROR in enter_exit: $@"; 2783 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2784 $self->leave_link;
1968 } 2785 }
1969 })->prio (1); 2786 })->prio (1);
1982 2799
1983sub cf::client::send_drawinfo { 2800sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2801 my ($self, $text, $flags) = @_;
1985 2802
1986 utf8::encode $text; 2803 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2804 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2805}
1989 2806
2807=item $client->send_msg ($channel, $msg, $color, [extra...])
2808
2809Send a drawinfo or msg packet to the client, formatting the msg for the
2810client if neccessary. C<$type> should be a string identifying the type of
2811the message, with C<log> being the default. If C<$color> is negative, suppress
2812the message unless the client supports the msg packet.
2813
2814=cut
2815
2816# non-persistent channels (usually the info channel)
2817our %CHANNEL = (
2818 "c/identify" => {
2819 id => "infobox",
2820 title => "Identify",
2821 reply => undef,
2822 tooltip => "Items recently identified",
2823 },
2824 "c/examine" => {
2825 id => "infobox",
2826 title => "Examine",
2827 reply => undef,
2828 tooltip => "Signs and other items you examined",
2829 },
2830 "c/book" => {
2831 id => "infobox",
2832 title => "Book",
2833 reply => undef,
2834 tooltip => "The contents of a note or book",
2835 },
2836 "c/lookat" => {
2837 id => "infobox",
2838 title => "Look",
2839 reply => undef,
2840 tooltip => "What you saw there",
2841 },
2842 "c/who" => {
2843 id => "infobox",
2844 title => "Players",
2845 reply => undef,
2846 tooltip => "Shows players who are currently online",
2847 },
2848 "c/body" => {
2849 id => "infobox",
2850 title => "Body Parts",
2851 reply => undef,
2852 tooltip => "Shows which body parts you posess and are available",
2853 },
2854 "c/uptime" => {
2855 id => "infobox",
2856 title => "Uptime",
2857 reply => undef,
2858 tooltip => "How long the server has been running since last restart",
2859 },
2860 "c/mapinfo" => {
2861 id => "infobox",
2862 title => "Map Info",
2863 reply => undef,
2864 tooltip => "Information related to the maps",
2865 },
2866 "c/party" => {
2867 id => "party",
2868 title => "Party",
2869 reply => "gsay ",
2870 tooltip => "Messages and chat related to your party",
2871 },
2872);
2873
2874sub cf::client::send_msg {
2875 my ($self, $channel, $msg, $color, @extra) = @_;
2876
2877 $msg = $self->pl->expand_cfpod ($msg);
2878
2879 $color &= cf::NDI_CLIENT_MASK; # just in case...
2880
2881 # check predefined channels, for the benefit of C
2882 if ($CHANNEL{$channel}) {
2883 $channel = $CHANNEL{$channel};
2884
2885 $self->ext_msg (channel_info => $channel)
2886 if $self->can_msg;
2887
2888 $channel = $channel->{id};
2889
2890 } elsif (ref $channel) {
2891 # send meta info to client, if not yet sent
2892 unless (exists $self->{channel}{$channel->{id}}) {
2893 $self->{channel}{$channel->{id}} = $channel;
2894 $self->ext_msg (channel_info => $channel)
2895 if $self->can_msg;
2896 }
2897
2898 $channel = $channel->{id};
2899 }
2900
2901 return unless @extra || length $msg;
2902
2903 if ($self->can_msg) {
2904 # default colour, mask it out
2905 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906 if $color & cf::NDI_DEF;
2907
2908 $self->send_packet ("msg " . $self->{json_coder}->encode (
2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2910 } else {
2911 if ($color >= 0) {
2912 # replace some tags by gcfclient-compatible ones
2913 for ($msg) {
2914 1 while
2915 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920 }
2921
2922 $color &= cf::NDI_COLOR_MASK;
2923
2924 utf8::encode $msg;
2925
2926 if (0 && $msg =~ /\[/) {
2927 # COMMAND/INFO
2928 $self->send_packet ("drawextinfo $color 10 8 $msg")
2929 } else {
2930 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931 $self->send_packet ("drawinfo $color $msg")
2932 }
2933 }
2934 }
2935}
2936
2937=item $client->ext_msg ($type, @msg)
2938
2939Sends an ext event to the client.
2940
2941=cut
2942
2943sub cf::client::ext_msg($$@) {
2944 my ($self, $type, @msg) = @_;
2945
2946 if ($self->extcmd == 2) {
2947 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948 } elsif ($self->extcmd == 1) { # TODO: remove
2949 push @msg, msgtype => "event_$type";
2950 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951 }
2952}
2953
2954=item $client->ext_reply ($msgid, @msg)
2955
2956Sends an ext reply to the client.
2957
2958=cut
2959
2960sub cf::client::ext_reply($$@) {
2961 my ($self, $id, @msg) = @_;
2962
2963 if ($self->extcmd == 2) {
2964 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965 } elsif ($self->extcmd == 1) {
2966 #TODO: version 1, remove
2967 unshift @msg, msgtype => "reply", msgid => $id;
2968 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969 }
2970}
1990 2971
1991=item $success = $client->query ($flags, "text", \&cb) 2972=item $success = $client->query ($flags, "text", \&cb)
1992 2973
1993Queues a query to the client, calling the given callback with 2974Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2975the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2976C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996 2977
1997Queries can fail, so check the return code. Or don't, as queries will become 2978Queries can fail, so check the return code. Or don't, as queries will
1998reliable at some point in the future. 2979become reliable at some point in the future.
1999 2980
2000=cut 2981=cut
2001 2982
2002sub cf::client::query { 2983sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 2984 my ($self, $flags, $text, $cb) = @_;
2011 utf8::encode $text; 2992 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2993 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 2994
2014 $self->send_packet ($self->{query_queue}[0][0]) 2995 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 2996 if @{ $self->{query_queue} } == 1;
2997
2998 1
2016} 2999}
2017 3000
2018cf::client->attach ( 3001cf::client->attach (
3002 on_connect => sub {
3003 my ($ns) = @_;
3004
3005 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3006 },
2019 on_reply => sub { 3007 on_reply => sub {
2020 my ($ns, $msg) = @_; 3008 my ($ns, $msg) = @_;
2021 3009
2022 # this weird shuffling is so that direct followup queries 3010 # this weird shuffling is so that direct followup queries
2023 # get handled first 3011 # get handled first
2035 } else { 3023 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 3025 }
2038 } 3026 }
2039 }, 3027 },
3028 on_exticmd => sub {
3029 my ($ns, $buf) = @_;
3030
3031 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3032
3033 if (ref $msg) {
3034 my ($type, $reply, @payload) =
3035 "ARRAY" eq ref $msg
3036 ? @$msg
3037 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3038
3039 my @reply;
3040
3041 if (my $cb = $EXTICMD{$type}) {
3042 @reply = $cb->($ns, @payload);
3043 }
3044
3045 $ns->ext_reply ($reply, @reply)
3046 if $reply;
3047
3048 } else {
3049 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3050 }
3051
3052 cf::override;
3053 },
2040); 3054);
2041 3055
2042=item $client->async (\&cb) 3056=item $client->async (\&cb)
2043 3057
2044Create a new coroutine, running the specified callback. The coroutine will 3058Create a new coroutine, running the specified callback. The coroutine will
2085our $safe = new Safe "safe"; 3099our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 3100our $safe_hole = new Safe::Hole;
2087 3101
2088$SIG{FPE} = 'IGNORE'; 3102$SIG{FPE} = 'IGNORE';
2089 3103
2090$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3104$safe->permit_only (Opcode::opset qw(
3105 :base_core :base_mem :base_orig :base_math
3106 grepstart grepwhile mapstart mapwhile
3107 sort time
3108));
2091 3109
2092# here we export the classes and methods available to script code 3110# here we export the classes and methods available to script code
2093 3111
2094=pod 3112=pod
2095 3113
2096The following fucntions and emthods are available within a safe environment: 3114The following functions and methods are available within a safe environment:
2097 3115
2098 cf::object contr pay_amount pay_player map 3116 cf::object
3117 contr pay_amount pay_player map x y force_find force_add destroy
3118 insert remove name archname title slaying race decrease split
3119
2099 cf::object::player player 3120 cf::object::player
2100 cf::player peaceful 3121 player
2101 cf::map trigger 3122
3123 cf::player
3124 peaceful
3125
3126 cf::map
3127 trigger
2102 3128
2103=cut 3129=cut
2104 3130
2105for ( 3131for (
2106 ["cf::object" => qw(contr pay_amount pay_player map)], 3132 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3133 insert remove inv nrof name archname title slaying race
3134 decrease split destroy change_exp)],
2107 ["cf::object::player" => qw(player)], 3135 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 3136 ["cf::player" => qw(peaceful)],
2109 ["cf::map" => qw(trigger)], 3137 ["cf::map" => qw(trigger)],
2110) { 3138) {
2111 no strict 'refs'; 3139 no strict 'refs';
2182=back 3210=back
2183 3211
2184=cut 3212=cut
2185 3213
2186############################################################################# 3214#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257
2258#############################################################################
2259# the server's init and main functions 3215# the server's init and main functions
2260 3216
3217sub load_facedata($) {
3218 my ($path) = @_;
3219
3220 # HACK to clear player env face cache, we need some signal framework
3221 # for this (global event?)
3222 %ext::player_env::MUSIC_FACE_CACHE = ();
3223
3224 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3225
3226 warn "loading facedata from $path\n";
3227
3228 my $facedata;
3229 0 < aio_load $path, $facedata
3230 or die "$path: $!";
3231
3232 $facedata = Coro::Storable::thaw $facedata;
3233
3234 $facedata->{version} == 2
3235 or cf::cleanup "$path: version mismatch, cannot proceed.";
3236
3237 # patch in the exptable
3238 $facedata->{resource}{"res/exp_table"} = {
3239 type => FT_RSRC,
3240 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3241 };
3242 cf::cede_to_tick;
3243
3244 {
3245 my $faces = $facedata->{faceinfo};
3246
3247 while (my ($face, $info) = each %$faces) {
3248 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249
3250 cf::face::set_visibility $idx, $info->{visibility};
3251 cf::face::set_magicmap $idx, $info->{magicmap};
3252 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3253 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3254
3255 cf::cede_to_tick;
3256 }
3257
3258 while (my ($face, $info) = each %$faces) {
3259 next unless $info->{smooth};
3260
3261 my $idx = cf::face::find $face
3262 or next;
3263
3264 if (my $smooth = cf::face::find $info->{smooth}) {
3265 cf::face::set_smooth $idx, $smooth;
3266 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3267 } else {
3268 warn "smooth face '$info->{smooth}' not found for face '$face'";
3269 }
3270
3271 cf::cede_to_tick;
3272 }
3273 }
3274
3275 {
3276 my $anims = $facedata->{animinfo};
3277
3278 while (my ($anim, $info) = each %$anims) {
3279 cf::anim::set $anim, $info->{frames}, $info->{facings};
3280 cf::cede_to_tick;
3281 }
3282
3283 cf::anim::invalidate_all; # d'oh
3284 }
3285
3286 {
3287 # TODO: for gcfclient pleasure, we should give resources
3288 # that gcfclient doesn't grok a >10000 face index.
3289 my $res = $facedata->{resource};
3290
3291 while (my ($name, $info) = each %$res) {
3292 if (defined $info->{type}) {
3293 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294 my $data;
3295
3296 if ($info->{type} & 1) {
3297 # prepend meta info
3298
3299 my $meta = $enc->encode ({
3300 name => $name,
3301 %{ $info->{meta} || {} },
3302 });
3303
3304 $data = pack "(w/a*)*", $meta, $info->{data};
3305 } else {
3306 $data = $info->{data};
3307 }
3308
3309 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310 cf::face::set_type $idx, $info->{type};
3311 } else {
3312 $RESOURCE{$name} = $info;
3313 }
3314
3315 cf::cede_to_tick;
3316 }
3317 }
3318
3319 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3320
3321 1
3322}
3323
3324cf::global->attach (on_resource_update => sub {
3325 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3326 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3327
3328 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3329 my $sound = $soundconf->{compat}[$_]
3330 or next;
3331
3332 my $face = cf::face::find "sound/$sound->[1]";
3333 cf::sound::set $sound->[0] => $face;
3334 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3335 }
3336
3337 while (my ($k, $v) = each %{$soundconf->{event}}) {
3338 my $face = cf::face::find "sound/$v";
3339 cf::sound::set $k => $face;
3340 }
3341 }
3342});
3343
3344register_exticmd fx_want => sub {
3345 my ($ns, $want) = @_;
3346
3347 while (my ($k, $v) = each %$want) {
3348 $ns->fx_want ($k, $v);
3349 }
3350};
3351
2261sub load_resources { 3352sub load_resource_file($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3353 my $guard = lock_acquire "load_resource_file";
3354
3355 my $status = load_resource_file_ $_[0];
3356 get_slot 0.1, 100;
3357 cf::arch::commit_load;
3358
3359 $status
3360}
3361
3362sub reload_regions {
3363 # HACK to clear player env face cache, we need some signal framework
3364 # for this (global event?)
3365 %ext::player_env::MUSIC_FACE_CACHE = ();
3366
3367 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 3368 or die "unable to load regions file\n";
2264}
2265 3369
2266sub cfg_load { 3370 for (cf::region::list) {
3371 $_->{match} = qr/$_->{match}/
3372 if exists $_->{match};
3373 }
3374}
3375
3376sub reload_facedata {
3377 load_facedata "$DATADIR/facedata"
3378 or die "unable to load facedata\n";
3379}
3380
3381sub reload_archetypes {
3382 load_resource_file "$DATADIR/archetypes"
3383 or die "unable to load archetypes\n";
3384}
3385
3386sub reload_treasures {
3387 load_resource_file "$DATADIR/treasures"
3388 or die "unable to load treasurelists\n";
3389}
3390
3391sub reload_resources {
3392 warn "reloading resource files...\n";
3393
3394 reload_facedata;
3395 reload_archetypes;
3396 reload_regions;
3397 reload_treasures;
3398
3399 warn "finished reloading resource files\n";
3400}
3401
3402sub init {
3403 my $guard = freeze_mainloop;
3404
3405 evthread_start IO::AIO::poll_fileno;
3406
3407 reload_resources;
3408}
3409
3410sub reload_config {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3411 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3412 or return;
2269 3413
2270 local $/; 3414 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3415 *CFG = YAML::Load <$fh>;
2272 3416
2273 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3417 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274 3418
2275 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3419 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3420 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2282 }; 3426 };
2283 warn $@ if $@; 3427 warn $@ if $@;
2284 } 3428 }
2285} 3429}
2286 3430
2287sub init {
2288 load_resources;
2289}
2290
2291sub main { 3431sub main {
2292 # we must not ever block the main coroutine 3432 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3433 local $Coro::idle = sub {
2294 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3434 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295 (async { 3435 (async {
2296 Event::one_event; 3436 $Coro::current->{desc} = "IDLE BUG HANDLER";
3437 EV::loop EV::LOOP_ONESHOT;
2297 })->prio (Coro::PRIO_MAX); 3438 })->prio (Coro::PRIO_MAX);
2298 }; 3439 };
2299 3440
2300 cfg_load; 3441 {
3442 my $guard = freeze_mainloop;
3443 reload_config;
2301 db_init; 3444 db_init;
2302 load_extensions; 3445 load_extensions;
2303 3446
2304 $TICK_WATCHER->start; 3447 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3448 }
3449
2305 Event::loop; 3450 EV::loop;
2306} 3451}
2307 3452
2308############################################################################# 3453#############################################################################
2309# initialisation and cleanup 3454# initialisation and cleanup
2310 3455
2311# install some emergency cleanup handlers 3456# install some emergency cleanup handlers
2312BEGIN { 3457BEGIN {
3458 our %SIGWATCHER = ();
2313 for my $signal (qw(INT HUP TERM)) { 3459 for my $signal (qw(INT HUP TERM)) {
2314 Event->signal ( 3460 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2315 reentrant => 0,
2316 data => WF_AUTOCANCEL,
2317 signal => $signal,
2318 prio => 0,
2319 cb => sub {
2320 cf::cleanup "SIG$signal"; 3461 cf::cleanup "SIG$signal";
2321 },
2322 ); 3462 };
3463 }
3464}
3465
3466sub write_runtime_sync {
3467 my $runtime = "$LOCALDIR/runtime";
3468
3469 # first touch the runtime file to show we are still running:
3470 # the fsync below can take a very very long time.
3471
3472 IO::AIO::aio_utime $runtime, undef, undef;
3473
3474 my $guard = cf::lock_acquire "write_runtime";
3475
3476 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3477 or return;
3478
3479 my $value = $cf::RUNTIME + 90 + 10;
3480 # 10 is the runtime save interval, for a monotonic clock
3481 # 60 allows for the watchdog to kill the server.
3482
3483 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3484 and return;
3485
3486 # always fsync - this file is important
3487 aio_fsync $fh
3488 and return;
3489
3490 # touch it again to show we are up-to-date
3491 aio_utime $fh, undef, undef;
3492
3493 close $fh
3494 or return;
3495
3496 aio_rename "$runtime~", $runtime
3497 and return;
3498
3499 warn "runtime file written.\n";
3500
2323 } 3501 1
3502}
3503
3504our $uuid_lock;
3505our $uuid_skip;
3506
3507sub write_uuid_sync($) {
3508 $uuid_skip ||= $_[0];
3509
3510 return if $uuid_lock;
3511 local $uuid_lock = 1;
3512
3513 my $uuid = "$LOCALDIR/uuid";
3514
3515 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516 or return;
3517
3518 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3519 $uuid_skip = 0;
3520
3521 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3522 and return;
3523
3524 # always fsync - this file is important
3525 aio_fsync $fh
3526 and return;
3527
3528 close $fh
3529 or return;
3530
3531 aio_rename "$uuid~", $uuid
3532 and return;
3533
3534 warn "uuid file written ($value).\n";
3535
3536 1
3537
3538}
3539
3540sub write_uuid($$) {
3541 my ($skip, $sync) = @_;
3542
3543 $sync ? write_uuid_sync $skip
3544 : async { write_uuid_sync $skip };
2324} 3545}
2325 3546
2326sub emergency_save() { 3547sub emergency_save() {
2327 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
2328 3549
2334 # and maps saved/destroyed asynchronously. 3555 # and maps saved/destroyed asynchronously.
2335 warn "begin emergency player save\n"; 3556 warn "begin emergency player save\n";
2336 for my $login (keys %cf::PLAYER) { 3557 for my $login (keys %cf::PLAYER) {
2337 my $pl = $cf::PLAYER{$login} or next; 3558 my $pl = $cf::PLAYER{$login} or next;
2338 $pl->valid or next; 3559 $pl->valid or next;
3560 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339 $pl->save; 3561 $pl->save;
2340 } 3562 }
2341 warn "end emergency player save\n"; 3563 warn "end emergency player save\n";
2342 3564
2343 warn "begin emergency map save\n"; 3565 warn "begin emergency map save\n";
2349 warn "end emergency map save\n"; 3571 warn "end emergency map save\n";
2350 3572
2351 warn "begin emergency database checkpoint\n"; 3573 warn "begin emergency database checkpoint\n";
2352 BDB::db_env_txn_checkpoint $DB_ENV; 3574 BDB::db_env_txn_checkpoint $DB_ENV;
2353 warn "end emergency database checkpoint\n"; 3575 warn "end emergency database checkpoint\n";
3576
3577 warn "begin write uuid\n";
3578 write_uuid_sync 1;
3579 warn "end write uuid\n";
2354 }; 3580 };
2355 3581
2356 warn "leave emergency perl save\n"; 3582 warn "leave emergency perl save\n";
2357} 3583}
2358 3584
2361 3587
2362 warn Carp::longmess "post_cleanup backtrace" 3588 warn Carp::longmess "post_cleanup backtrace"
2363 if $make_core; 3589 if $make_core;
2364} 3590}
2365 3591
2366sub reload() { 3592sub do_reload_perl() {
2367 # can/must only be called in main 3593 # can/must only be called in main
2368 if ($Coro::current != $Coro::main) { 3594 if ($Coro::current != $Coro::main) {
2369 warn "can only reload from main coroutine"; 3595 warn "can only reload from main coroutine";
2370 return; 3596 return;
2371 } 3597 }
2373 warn "reloading..."; 3599 warn "reloading...";
2374 3600
2375 warn "entering sync_job"; 3601 warn "entering sync_job";
2376 3602
2377 cf::sync_job { 3603 cf::sync_job {
2378 cf::write_runtime; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
2379 cf::emergency_save; 3605 cf::emergency_save;
2380 cf::write_runtime; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
2381 3607
2382 warn "syncing database to disk"; 3608 warn "syncing database to disk";
2383 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
2384 3610
2385 # if anything goes wrong in here, we should simply crash as we already saved 3611 # if anything goes wrong in here, we should simply crash as we already saved
2386
2387 warn "cancelling all WF_AUTOCANCEL watchers";
2388 for (Event::all_watchers) {
2389 $_->cancel if $_->data & WF_AUTOCANCEL;
2390 }
2391 3612
2392 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
2393 for (;;) { 3614 for (;;) {
2394 BDB::flush; 3615 BDB::flush;
2395 IO::AIO::flush; 3616 IO::AIO::flush;
2396 Coro::cede; 3617 Coro::cede_notself;
2397 last unless IO::AIO::nreqs || BDB::nreqs; 3618 last unless IO::AIO::nreqs || BDB::nreqs;
2398 warn "iterate..."; 3619 warn "iterate...";
2399 } 3620 }
3621
3622 ++$RELOAD;
2400 3623
2401 warn "cancelling all extension coros"; 3624 warn "cancelling all extension coros";
2402 $_->cancel for values %EXT_CORO; 3625 $_->cancel for values %EXT_CORO;
2403 %EXT_CORO = (); 3626 %EXT_CORO = ();
2404 3627
2405 warn "removing commands"; 3628 warn "removing commands";
2406 %COMMAND = (); 3629 %COMMAND = ();
2407 3630
2408 warn "removing ext commands"; 3631 warn "removing ext/exti commands";
2409 %EXTCMD = (); 3632 %EXTCMD = ();
3633 %EXTICMD = ();
2410 3634
2411 warn "unloading/nuking all extensions"; 3635 warn "unloading/nuking all extensions";
2412 for my $pkg (@EXTS) { 3636 for my $pkg (@EXTS) {
2413 warn "... unloading $pkg"; 3637 warn "... unloading $pkg";
2414 3638
2444 Symbol::delete_package "safe::$_" 3668 Symbol::delete_package "safe::$_"
2445 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3669 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446 3670
2447 warn "unloading cf.pm \"a bit\""; 3671 warn "unloading cf.pm \"a bit\"";
2448 delete $INC{"cf.pm"}; 3672 delete $INC{"cf.pm"};
3673 delete $INC{"cf/pod.pm"};
2449 3674
2450 # don't, removes xs symbols, too, 3675 # don't, removes xs symbols, too,
2451 # and global variables created in xs 3676 # and global variables created in xs
2452 #Symbol::delete_package __PACKAGE__; 3677 #Symbol::delete_package __PACKAGE__;
2453 3678
2456 warn "reloading cf.pm"; 3681 warn "reloading cf.pm";
2457 require cf; 3682 require cf;
2458 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3683 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459 3684
2460 warn "loading config and database again"; 3685 warn "loading config and database again";
2461 cf::cfg_load; 3686 cf::reload_config;
2462 3687
2463 warn "loading extensions"; 3688 warn "loading extensions";
2464 cf::load_extensions; 3689 cf::load_extensions;
2465 3690
2466 warn "reattaching attachments to objects/players"; 3691 warn "reattaching attachments to objects/players";
2467 _global_reattach; 3692 _global_reattach; # objects, sockets
2468 warn "reattaching attachments to maps"; 3693 warn "reattaching attachments to maps";
2469 reattach $_ for values %MAP; 3694 reattach $_ for values %MAP;
2470 3695 warn "reattaching attachments to players";
2471 warn "loading reloadable resources"; 3696 reattach $_ for values %PLAYER;
2472 load_resources;
2473 3697
2474 warn "leaving sync_job"; 3698 warn "leaving sync_job";
2475 3699
2476 1 3700 1
2477 } or do { 3701 } or do {
2478 warn $@; 3702 warn $@;
2479 warn "error while reloading, exiting."; 3703 cf::cleanup "error while reloading, exiting.";
2480 exit 1;
2481 }; 3704 };
2482 3705
2483 warn "reloaded"; 3706 warn "reloaded";
2484}; 3707};
2485 3708
2486our $RELOAD_WATCHER; # used only during reload 3709our $RELOAD_WATCHER; # used only during reload
2487 3710
3711sub reload_perl() {
3712 # doing reload synchronously and two reloads happen back-to-back,
3713 # coro crashes during coro_state_free->destroy here.
3714
3715 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3716 do_reload_perl;
3717 undef $RELOAD_WATCHER;
3718 };
3719}
3720
2488register_command "reload" => sub { 3721register_command "reload" => sub {
2489 my ($who, $arg) = @_; 3722 my ($who, $arg) = @_;
2490 3723
2491 if ($who->flag (FLAG_WIZ)) { 3724 if ($who->flag (FLAG_WIZ)) {
2492 $who->message ("reloading server."); 3725 $who->message ("reloading server.");
2493 3726 async {
2494 # doing reload synchronously and two reloads happen back-to-back, 3727 $Coro::current->{desc} = "perl_reload";
2495 # coro crashes during coro_state_free->destroy here.
2496
2497 $RELOAD_WATCHER ||= Event->timer (
2498 reentrant => 0,
2499 after => 0,
2500 data => WF_AUTOCANCEL,
2501 cb => sub {
2502 reload; 3728 reload_perl;
2503 undef $RELOAD_WATCHER;
2504 },
2505 ); 3729 };
2506 } 3730 }
2507}; 3731};
2508 3732
2509unshift @INC, $LIBDIR; 3733unshift @INC, $LIBDIR;
2510 3734
2511my $bug_warning = 0; 3735my $bug_warning = 0;
2512 3736
2513$TICK_WATCHER = Event->timer ( 3737our @WAIT_FOR_TICK;
2514 reentrant => 0, 3738our @WAIT_FOR_TICK_BEGIN;
2515 parked => 1, 3739
2516 prio => 0, 3740sub wait_for_tick {
2517 at => $NEXT_TICK || $TICK, 3741 return if tick_inhibit || $Coro::current == $Coro::main;
2518 data => WF_AUTOCANCEL, 3742
2519 cb => sub { 3743 my $signal = new Coro::Signal;
3744 push @WAIT_FOR_TICK, $signal;
3745 $signal->wait;
3746}
3747
3748sub wait_for_tick_begin {
3749 return if tick_inhibit || $Coro::current == $Coro::main;
3750
3751 my $signal = new Coro::Signal;
3752 push @WAIT_FOR_TICK_BEGIN, $signal;
3753 $signal->wait;
3754}
3755
3756sub tick {
2520 if ($Coro::current != $Coro::main) { 3757 if ($Coro::current != $Coro::main) {
2521 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3758 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522 unless ++$bug_warning > 10; 3759 unless ++$bug_warning > 10;
2523 return; 3760 return;
2524 } 3761 }
2525 3762
2526 $NOW = Event::time;
2527
2528 cf::server_tick; # one server iteration 3763 cf::server_tick; # one server iteration
2529 $RUNTIME += $TICK;
2530 $NEXT_TICK += $TICK;
2531 3764
2532 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3765 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533 $NEXT_RUNTIME_WRITE = $NOW + 10; 3766 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534 Coro::async_pool { 3767 Coro::async_pool {
3768 $Coro::current->{desc} = "runtime saver";
2535 write_runtime 3769 write_runtime_sync
2536 or warn "ERROR: unable to write runtime file: $!"; 3770 or warn "ERROR: unable to write runtime file: $!";
2537 };
2538 } 3771 };
2539
2540
2541 $WAIT_FOR_TICK->broadcast;
2542 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544# my $AFTER = Event::time;
2545# warn $AFTER - $NOW;#d#
2546
2547 # if we are delayed by four ticks or more, skip them all
2548 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550 $TICK_WATCHER->at ($NEXT_TICK);
2551 $TICK_WATCHER->start;
2552 }, 3772 }
2553); 3773
3774 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3775 $sig->send;
3776 }
3777 while (my $sig = shift @WAIT_FOR_TICK) {
3778 $sig->send;
3779 }
3780
3781 $LOAD = ($NOW - $TICK_START) / $TICK;
3782 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3783
3784 if (0) {
3785 if ($NEXT_TICK) {
3786 my $jitter = $TICK_START - $NEXT_TICK;
3787 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3788 warn "jitter $JITTER\n";#d#
3789 }
3790 }
3791}
2554 3792
2555{ 3793{
2556 BDB::max_poll_time $TICK * 0.1; 3794 # configure BDB
2557 $BDB_POLL_WATCHER = Event->io ( 3795
2558 reentrant => 0,
2559 fd => BDB::poll_fileno,
2560 poll => 'r',
2561 prio => 0,
2562 data => WF_AUTOCANCEL,
2563 cb => \&BDB::poll_cb,
2564 );
2565 BDB::min_parallel 8; 3796 BDB::min_parallel 8;
2566 3797 BDB::max_poll_reqs $TICK * 0.1;
2567 BDB::set_sync_prepare { 3798 $AnyEvent::BDB::WATCHER->priority (1);
2568 my $status;
2569 my $current = $Coro::current;
2570 (
2571 sub {
2572 $status = $!;
2573 $current->ready; undef $current;
2574 },
2575 sub {
2576 Coro::schedule while defined $current;
2577 $! = $status;
2578 },
2579 )
2580 };
2581 3799
2582 unless ($DB_ENV) { 3800 unless ($DB_ENV) {
2583 $DB_ENV = BDB::db_env_create; 3801 $DB_ENV = BDB::db_env_create;
3802 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3803 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3804 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3805 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3806 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584 3807
2585 cf::sync_job { 3808 cf::sync_job {
2586 eval { 3809 eval {
2587 BDB::db_env_open 3810 BDB::db_env_open
2588 $DB_ENV, 3811 $DB_ENV,
2589 $BDB_ENV_DIR, 3812 $BDBDIR,
2590 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3813 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3814 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592 0666; 3815 0666;
2593 3816
2594 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3817 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597 $DB_ENV->set_lk_detect;
2598 }; 3818 };
2599 3819
2600 cf::cleanup "db_env_open(db): $@" if $@; 3820 cf::cleanup "db_env_open(db): $@" if $@;
2601 }; 3821 };
2602 } 3822 }
3823
3824 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3825 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3826 };
3827 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3828 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3829 };
3830 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3831 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3832 };
2603} 3833}
2604 3834
2605{ 3835{
3836 # configure IO::AIO
3837
2606 IO::AIO::min_parallel 8; 3838 IO::AIO::min_parallel 8;
2607
2608 undef $Coro::AIO::WATCHER;
2609 IO::AIO::max_poll_time $TICK * 0.1; 3839 IO::AIO::max_poll_time $TICK * 0.1;
2610 $AIO_POLL_WATCHER = Event->io ( 3840 undef $AnyEvent::AIO::WATCHER;
2611 reentrant => 0,
2612 data => WF_AUTOCANCEL,
2613 fd => IO::AIO::poll_fileno,
2614 poll => 'r',
2615 prio => 6,
2616 cb => \&IO::AIO::poll_cb,
2617 );
2618} 3841}
3842
3843my $_log_backtrace;
3844
3845sub _log_backtrace {
3846 my ($msg, @addr) = @_;
3847
3848 $msg =~ s/\n//;
3849
3850 # limit the # of concurrent backtraces
3851 if ($_log_backtrace < 2) {
3852 ++$_log_backtrace;
3853 async {
3854 $Coro::current->{desc} = "abt $msg";
3855
3856 my @bt = fork_call {
3857 @addr = map { sprintf "%x", $_ } @addr;
3858 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3859 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3860 or die "addr2line: $!";
3861
3862 my @funcs;
3863 my @res = <$fh>;
3864 chomp for @res;
3865 while (@res) {
3866 my ($func, $line) = splice @res, 0, 2, ();
3867 push @funcs, "[$func] $line";
3868 }
3869
3870 @funcs
3871 };
3872
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] $_\n" for @bt;
3875 --$_log_backtrace;
3876 };
3877 } else {
3878 LOG llevInfo, "[ABT] $msg\n";
3879 LOG llevInfo, "[ABT] [suppressed]\n";
3880 }
3881}
3882
3883# load additional modules
3884use cf::pod;
2619 3885
2620END { cf::emergency_save } 3886END { cf::emergency_save }
2621 3887
26221 38881
2623 3889

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