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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 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;
9use Event; 30use EV;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
34use Storable ();
13 35
14use Coro 3.61 (); 36use Coro ();
15use Coro::State; 37use Coro::State;
38use Coro::Handle;
16use Coro::Event; 39use Coro::AnyEvent;
17use Coro::Timer; 40use Coro::Timer;
18use Coro::Signal; 41use Coro::Signal;
19use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
20use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB 1.6;
21use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
22 48
49use JSON::XS 2.01 ();
23use BDB (); 50use BDB ();
24use Data::Dumper; 51use Data::Dumper;
25use Digest::MD5; 52use Digest::MD5;
26use Fcntl; 53use Fcntl;
27use YAML::Syck (); 54use YAML ();
28use IO::AIO 2.32 (); 55use IO::AIO ();
29use Time::HiRes; 56use Time::HiRes;
30use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
31 61
32# configure various modules to our taste 62# configure various modules to our taste
33# 63#
34$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37 67
38$Event::Eval = 1; # no idea why this is required, but it is
39
40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41$YAML::Syck::ImplicitUnicode = 1;
42
43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44 69
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46 71
47our %COMMAND = (); 72our %COMMAND = ();
48our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
49 74
50our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
54 80
55our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
56our @EVENT; 82our @EVENT;
57our $LIBDIR = datadir . "/ext"; 83
84our $CONFDIR = confdir;
85our $DATADIR = datadir;
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;
58 96
59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 99our $NEXT_TICK;
64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
66 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
67our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 105our $DB_ENV;
69 106
70our %CFG; 107our %CFG;
71 108
72our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 110our $RUNTIME;
111our $NOW;
74 112
75our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 116
81# 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 ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 119
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 $TICK_START; # for load detecting purposes
124
84binmode STDOUT; 125binmode STDOUT;
85binmode STDERR; 126binmode STDERR;
86 127
87# read virtual server time, if available 128# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 129unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 130 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 131 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 132 $RUNTIME = <$fh> + 0.;
92} 133}
93 134
94mkdir cf::localdir; 135mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 137
101our $EMERGENCY_POSITION; 138our $EMERGENCY_POSITION;
102 139
103sub cf::map::normalise; 140sub cf::map::normalise;
104 141
115=item $cf::RUNTIME 152=item $cf::RUNTIME
116 153
117The 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
118every server tick. 155every server tick.
119 156
120=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
121 160
122The perl library directory, where extensions and cf-specific modules can 161Various directories - "/etc", read-only install directory, perl-library
123be 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.
124 165
125=item $cf::NOW 166=item $cf::NOW
126 167
127The time of the last (current) server tick. 168The time of the last (current) server tick.
128 169
129=item $cf::TICK 170=item $cf::TICK
130 171
131The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
132 173
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
133=item %cf::CFG 184=item %cf::CFG
134 185
135Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136from wherever your confdir points to. 187from wherever your confdir points to.
137 188
138=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
139 190
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 194
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.
200
144=back 201=back
145 202
146=cut 203=cut
147 204
148BEGIN { 205BEGIN {
149 *CORE::GLOBAL::warn = sub { 206 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 207 my $msg = join "", @_;
151 utf8::encode $msg;
152 208
153 $msg .= "\n" 209 $msg .= "\n"
154 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
155 211
212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213
156 LOG llevError, $msg; 214 LOG llevError, $msg;
157 }; 215 };
158} 216}
217
218$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#?
159 232
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@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';
165@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)
166 240
167# 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
168# within the Safe compartment. 242# within the Safe compartment.
169for my $pkg (qw( 243for my $pkg (qw(
170 cf::global cf::attachable 244 cf::global cf::attachable
171 cf::object cf::object::player 245 cf::object cf::object::player
172 cf::client cf::player 246 cf::client cf::player
173 cf::arch cf::living 247 cf::arch cf::living
248 cf::map cf::mapspace
174 cf::map cf::party cf::region 249 cf::party cf::region
175)) { 250)) {
176 no strict 'refs'; 251 no strict 'refs';
177 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 252 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178} 253}
179 254
180$Event::DIED = sub { 255$EV::DIED = sub {
181 warn "error in event callback: @_"; 256 warn "error in event callback: @_";
182}; 257};
258
259#############################################################################
183 260
184=head2 UTILITY FUNCTIONS 261=head2 UTILITY FUNCTIONS
185 262
186=over 4 263=over 4
187 264
206 $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;
207 $d 284 $d
208 } || "[unable to dump $_[0]: '$@']"; 285 } || "[unable to dump $_[0]: '$@']";
209} 286}
210 287
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 288=item $ref = cf::decode_json $json
214 289
215Converts a JSON string into the corresponding perl data structure. 290Converts a JSON string into the corresponding perl data structure.
216 291
217=item $json = cf::to_json $ref 292=item $json = cf::encode_json $ref
218 293
219Converts a perl data structure into its JSON representation. 294Converts a perl data structure into its JSON representation.
295
296=cut
297
298our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299
300sub encode_json($) { $json_coder->encode ($_[0]) }
301sub decode_json($) { $json_coder->decode ($_[0]) }
220 302
221=item cf::lock_wait $string 303=item cf::lock_wait $string
222 304
223Wait until the given lock is available. See cf::lock_acquire. 305Wait until the given lock is available. See cf::lock_acquire.
224 306
227Wait 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
228a 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,
229for example when the coroutine gets canceled), the lock is automatically 311for example when the coroutine gets canceled), the lock is automatically
230returned. 312returned.
231 313
314Locks are *not* recursive, locking from the same coro twice results in a
315deadlocked coro.
316
232Lock 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
233uses map_find and cf::map::load uses map_load). 318uses map_find and cf::map::load uses map_load).
234 319
320=item $locked = cf::lock_active $string
321
322Return true if the lock is currently active, i.e. somebody has locked it.
323
235=cut 324=cut
236 325
237our %LOCK; 326our %LOCK;
327our %LOCKER;#d#
238 328
239sub lock_wait($) { 329sub lock_wait($) {
240 my ($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#
241 336
242 # wait for lock, if any 337 # wait for lock, if any
243 while ($LOCK{$key}) { 338 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 339 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 340 Coro::schedule;
251 346
252 # wait, to be sure we are not locked 347 # wait, to be sure we are not locked
253 lock_wait $key; 348 lock_wait $key;
254 349
255 $LOCK{$key} = []; 350 $LOCK{$key} = [];
351 $LOCKER{$key} = $Coro::current;#d#
256 352
257 Coro::guard { 353 Coro::guard {
354 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 355 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 356 $_->ready for @{ delete $LOCK{$key} };
260 } 357 }
261} 358}
262 359
360sub lock_active($) {
361 my ($key) = @_;
362
363 ! ! $LOCK{$key}
364}
365
263sub freeze_mainloop { 366sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 367 tick_inhibit_inc;
265 368
266 my $guard = Coro::guard { 369 Coro::guard \&tick_inhibit_dec;
267 $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($$) {
380 my ($interval, $cb) = @_;
381
382 my $start = rand List::Util::min 180, $interval;
383
384 EV::periodic $start, $interval, 0, $cb
385}
386
387=item cf::get_slot $time[, $priority[, $name]]
388
389Allocate $time seconds of blocking CPU time at priority C<$priority>:
390This call blocks and returns only when you have at least C<$time> seconds
391of cpu time till the next tick. The slot is only valid till the next cede.
392
393The optional C<$name> can be used to identify the job to run. It might be
394used for statistical purposes and should identify the same time-class.
395
396Useful for short background jobs.
397
398=cut
399
400our @SLOT_QUEUE;
401our $SLOT_QUEUE;
402
403$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404$SLOT_QUEUE = Coro::async {
405 $Coro::current->desc ("timeslot manager");
406
407 my $signal = new Coro::Signal;
408
409 while () {
410 next_job:
411 my $avail = cf::till_tick;
412 if ($avail > 0.01) {
413 for (0 .. $#SLOT_QUEUE) {
414 if ($SLOT_QUEUE[$_][0] < $avail) {
415 my $job = splice @SLOT_QUEUE, $_, 1, ();
416 $job->[2]->send;
417 Coro::cede;
418 goto next_job;
419 }
420 }
421 }
422
423 if (@SLOT_QUEUE) {
424 # we do not use wait_for_tick() as it returns immediately when tick is inactive
425 push @cf::WAIT_FOR_TICK, $signal;
426 $signal->wait;
427 } else {
428 Coro::schedule;
429 }
268 }; 430 }
269 $TICK_WATCHER->stop; 431};
270 $guard 432
433sub get_slot($;$$) {
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 $sig->wait;
271} 445}
272 446
273=item cf::async { BLOCK } 447=item cf::async { BLOCK }
274 448
275Currently the same as Coro::async_pool, meaning you cannot use 449Currently the same as Coro::async_pool, meaning you cannot use
280 454
281BEGIN { *async = \&Coro::async_pool } 455BEGIN { *async = \&Coro::async_pool }
282 456
283=item cf::sync_job { BLOCK } 457=item cf::sync_job { BLOCK }
284 458
285The design of crossfire+ requires that the main coro ($Coro::main) is 459The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 460is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 461partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
462acceptable.
288 463
289If it must be done, put the blocking parts into C<sync_job>. This will run 464If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 465the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 466server will be frozen during this time, so the block should either finish
292fast or be very important. 467fast or be very important.
295 470
296sub sync_job(&) { 471sub sync_job(&) {
297 my ($job) = @_; 472 my ($job) = @_;
298 473
299 if ($Coro::current == $Coro::main) { 474 if ($Coro::current == $Coro::main) {
475 my $time = EV::time;
476
300 # this is the main coro, too bad, we have to block 477 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 478 # till the operation succeeds, freezing the server :/
302 479
303 # TODO: use suspend/resume instead 480 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 481
305 my $freeze_guard = freeze_mainloop; 482 my $freeze_guard = freeze_mainloop;
306 483
307 my $busy = 1; 484 my $busy = 1;
308 my @res; 485 my @res;
309 486
310 (async { 487 (async {
488 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 489 @res = eval { $job->() };
312 warn $@ if $@; 490 warn $@ if $@;
313 undef $busy; 491 undef $busy;
314 })->prio (Coro::PRIO_MAX); 492 })->prio (Coro::PRIO_MAX);
315 493
316 while ($busy) { 494 while ($busy) {
317 Coro::cede or Event::one_event; 495 if (Coro::nready) {
496 Coro::cede_notself;
497 } else {
498 EV::loop EV::LOOP_ONESHOT;
318 } 499 }
500 }
501
502 my $time = EV::time - $time;
503
504 $TICK_START += $time; # do not account sync jobs to server load
319 505
320 wantarray ? @res : $res[0] 506 wantarray ? @res : $res[0]
321 } else { 507 } else {
322 # we are in another coroutine, how wonderful, everything just works 508 # we are in another coroutine, how wonderful, everything just works
323 509
343 $EXT_CORO{$coro+0} = $coro; 529 $EXT_CORO{$coro+0} = $coro;
344 530
345 $coro 531 $coro
346} 532}
347 533
348sub write_runtime { 534=item fork_call { }, $args
349 my $guard = cf::lock_acquire "write_runtime";
350 535
351 my $runtime = cf::localdir . "/runtime"; 536Executes the given code block with the given arguments in a seperate
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.
352 540
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 541=cut
354 or return;
355 542
356 my $value = $cf::RUNTIME + 90 + 10; 543sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 544 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 545
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 546 # we seemingly have to make a local copy of the whole thing,
361 and return; 547 # otherwise perl prematurely frees the stuff :/
548 # TODO: investigate and fix (likely this will be rather laborious)
362 549
363 # always fsync - this file is important 550 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 551 reset_signals;
365 and return; 552 &$cb
553 }, @args;
366 554
367 close $fh 555 wantarray ? @res : $res[-1]
368 or return; 556}
369 557
370 aio_rename "$runtime~", $runtime 558=item $coin = coin_from_name $name
371 and return;
372 559
560=cut
561
562our %coin_alias = (
563 "silver" => "silvercoin",
564 "silvercoin" => "silvercoin",
565 "silvercoins" => "silvercoin",
566 "gold" => "goldcoin",
567 "goldcoin" => "goldcoin",
568 "goldcoins" => "goldcoin",
569 "platinum" => "platinacoin",
570 "platinumcoin" => "platinacoin",
571 "platinumcoins" => "platinacoin",
572 "platina" => "platinacoin",
573 "platinacoin" => "platinacoin",
574 "platinacoins" => "platinacoin",
575 "royalty" => "royalty",
576 "royalties" => "royalty",
577);
578
579sub coin_from_name($) {
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($$) {
627 my $key = "$_[0]/$_[1]";
628
629 cf::sync_job {
630 BDB::db_get $DB, undef, $key, my $data;
631
632 $! ? ()
633 : $data
373 1 634 }
635}
636
637sub db_put($$$) {
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"
374} 710}
375 711
376=item cf::datalog type => key => value, ... 712=item cf::datalog type => key => value, ...
377 713
378Log a datalog packet of the given type with the given key-value pairs. 714Log a datalog packet of the given type with the given key-value pairs.
396attach callbacks/event handlers (a collection of which is called an "attachment") 732attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 733to it. All such attachable objects support the following methods.
398 734
399In 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>
400C<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
401crossfire+). 737Deliantra).
402 738
403=over 4 739=over 4
404 740
405=item $attachable->attach ($attachment, key => $value...) 741=item $attachable->attach ($attachment, key => $value...)
406 742
569 $registry = $CB_TYPE[$object_type] ||= []; 905 $registry = $CB_TYPE[$object_type] ||= [];
570 906
571 } elsif ($type eq "subtype") { 907 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 908 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 909 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 910 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 911
576 } elsif ($type eq "package") { 912 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 913 my $pkg = shift @arg;
578 914
579 while (my ($name, $id) = each %cb_id) { 915 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 944 _attach $registry, $klass, @attach;
609 } 945 }
610 946
611 $obj->{$name} = \%arg; 947 $obj->{$name} = \%arg;
612 } else { 948 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 949 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 950 }
615 951
616 $obj->{_attachment}{$name} = undef; 952 $obj->{_attachment}{$name} = undef;
617} 953}
618 954
620 if (ref $_[0]) { 956 if (ref $_[0]) {
621 _object_attach @_; 957 _object_attach @_;
622 } else { 958 } else {
623 _attach shift->_attach_registry, @_; 959 _attach shift->_attach_registry, @_;
624 } 960 }
961 _recalc_want;
625}; 962};
626 963
627# all those should be optimised 964# all those should be optimised
628sub cf::attachable::detach { 965sub cf::attachable::detach {
629 my ($obj, $name) = @_; 966 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 969 delete $obj->{_attachment}{$name};
633 reattach ($obj); 970 reattach ($obj);
634 } else { 971 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 972 Carp::croak "cannot, currently, detach class attachments";
636 } 973 }
974 _recalc_want;
637}; 975};
638 976
639sub cf::attachable::attached { 977sub cf::attachable::attached {
640 my ($obj, $name) = @_; 978 my ($obj, $name) = @_;
641 979
656 "; 994 ";
657 die if $@; 995 die if $@;
658} 996}
659 997
660our $override; 998our $override;
661our @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?
662 1000
663sub override { 1001sub override {
664 $override = 1; 1002 $override = 1;
665 @invoke_results = (); 1003 @INVOKE_RESULTS = (@_);
666} 1004}
667 1005
668sub do_invoke { 1006sub do_invoke {
669 my $event = shift; 1007 my $event = shift;
670 my $callbacks = shift; 1008 my $callbacks = shift;
671 1009
672 @invoke_results = (); 1010 @INVOKE_RESULTS = ();
673 1011
674 local $override; 1012 local $override;
675 1013
676 for (@$callbacks) { 1014 for (@$callbacks) {
677 eval { &{$_->[1]} }; 1015 eval { &{$_->[1]} };
686 } 1024 }
687 1025
688 0 1026 0
689} 1027}
690 1028
691=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692 1030
693=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1031=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694 1032
695Generate an object-specific event with the given arguments. 1033Generate an object-specific event with the given arguments.
696 1034
697This 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
698removed 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
699results (if you must, access C<@cf::invoke_results> directly). 1037results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 1038
701=back 1039=back
702 1040
703=cut 1041=cut
704 1042
705############################################################################# 1043#############################################################################
706# 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, $ob2
1086}
707 1087
708sub reattach { 1088sub reattach {
709 # basically do the same as instantiate, without calling instantiate 1089 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 1090 my ($obj) = @_;
711 1091
732cf::attachable->attach ( 1112cf::attachable->attach (
733 prio => -1000000, 1113 prio => -1000000,
734 on_instantiate => sub { 1114 on_instantiate => sub {
735 my ($obj, $data) = @_; 1115 my ($obj, $data) = @_;
736 1116
737 $data = from_json $data; 1117 $data = decode_json $data;
738 1118
739 for (@$data) { 1119 for (@$data) {
740 my ($name, $args) = @$_; 1120 my ($name, $args) = @$_;
741 1121
742 $obj->attach ($name, %{$args || {} }); 1122 $obj->attach ($name, %{$args || {} });
758sub object_freezer_save { 1138sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1139 my ($filename, $rdata, $objs) = @_;
760 1140
761 sync_job { 1141 sync_job {
762 if (length $$rdata) { 1142 if (length $$rdata) {
1143 utf8::decode (my $decname = $filename);
763 warn sprintf "saving %s (%d,%d)\n", 1144 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1145 $decname, length $$rdata, scalar @$objs;
765 1146
766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1147 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767 chmod SAVE_MODE, $fh; 1148 aio_chmod $fh, SAVE_MODE;
768 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1149 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769 aio_fsync $fh if $cf::USE_FSYNC; 1150 aio_fsync $fh if $cf::USE_FSYNC;
770 close $fh; 1151 aio_close $fh;
771 1152
772 if (@$objs) { 1153 if (@$objs) {
773 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) {
774 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
775 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1156 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776 aio_write $fh, 0, (length $data), $data, 0; 1157 aio_write $fh, 0, (length $data), $data, 0;
777 aio_fsync $fh if $cf::USE_FSYNC; 1158 aio_fsync $fh if $cf::USE_FSYNC;
778 close $fh; 1159 aio_close $fh;
779 aio_rename "$filename.pst~", "$filename.pst"; 1160 aio_rename "$filename.pst~", "$filename.pst";
780 } 1161 }
781 } else { 1162 } else {
782 aio_unlink "$filename.pst"; 1163 aio_unlink "$filename.pst";
783 } 1164 }
788 } 1169 }
789 } else { 1170 } else {
790 aio_unlink $filename; 1171 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1172 aio_unlink "$filename.pst";
792 } 1173 }
793 } 1174 };
794} 1175}
795 1176
796sub object_freezer_as_string { 1177sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1178 my ($rdata, $objs) = @_;
798 1179
810 or return; 1191 or return;
811 1192
812 unless (aio_stat "$filename.pst") { 1193 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1194 (aio_load "$filename.pst", $av) >= 0
814 or return; 1195 or return;
1196
815 $av = eval { (Storable::thaw $av)->{objs} }; 1197 my $st = eval { Coro::Storable::thaw $av };
1198 $av = $st->{objs};
816 } 1199 }
817 1200
1201 utf8::decode (my $decname = $filename);
818 warn sprintf "loading %s (%d)\n", 1202 warn sprintf "loading %s (%d,%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1203 $decname, length $data, scalar @{$av || []};
1204
820 return ($data, $av); 1205 ($data, $av)
821} 1206}
1207
1208=head2 COMMAND CALLBACKS
1209
1210=over 4
1211
1212=cut
822 1213
823############################################################################# 1214#############################################################################
824# command handling &c 1215# command handling &c
825 1216
826=item cf::register_command $name => \&callback($ob,$args); 1217=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1230 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1231}
841 1232
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1233=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1234
844Register 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.
845 1240
846If 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
847called. 1242called.
848 1243
1244=item cf::register_exticmd $name => \&callback($ns,$packet);
1245
1246Register a callback for execution when the client sends an (asynchronous)
1247exticmd packet. Exti commands are processed by the server as soon as they
1248are received, i.e. out of order w.r.t. other commands. The first argument
1249is a client socket. Exti commands can be received anytime, even before
1250log-in.
1251
1252If the callback returns something, it is sent back as if reply was being
1253called.
1254
849=cut 1255=cut
850 1256
851sub register_extcmd { 1257sub register_extcmd {
852 my ($name, $cb) = @_; 1258 my ($name, $cb) = @_;
853 1259
854 $EXTCMD{$name} = $cb; 1260 $EXTCMD{$name} = $cb;
1261}
1262
1263sub register_exticmd {
1264 my ($name, $cb) = @_;
1265
1266 $EXTICMD{$name} = $cb;
855} 1267}
856 1268
857cf::player->attach ( 1269cf::player->attach (
858 on_command => sub { 1270 on_command => sub {
859 my ($pl, $name, $params) = @_; 1271 my ($pl, $name, $params) = @_;
868 cf::override; 1280 cf::override;
869 }, 1281 },
870 on_extcmd => sub { 1282 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1283 my ($pl, $buf) = @_;
872 1284
873 my $msg = eval { from_json $buf }; 1285 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1286
875 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
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1295 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1296 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1297 }
1298
1299 $pl->ext_reply ($reply, @reply)
1300 if $reply;
1301
881 } else { 1302 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1303 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1304 }
884 1305
885 cf::override; 1306 cf::override;
886 }, 1307 },
887); 1308);
888 1309
889sub load_extension {
890 my ($path) = @_;
891
892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
893 my $base = $1;
894 my $pkg = $1;
895 $pkg =~ s/[^[:word:]]/_/g;
896 $pkg = "ext::$pkg";
897
898 warn "... loading '$path' into '$pkg'\n";
899
900 open my $fh, "<:utf8", $path
901 or die "$path: $!";
902
903 my $source =
904 "package $pkg; use strict; use utf8;\n"
905 . "#line 1 \"$path\"\n{\n"
906 . (do { local $/; <$fh> })
907 . "\n};\n1";
908
909 unless (eval $source) {
910 my $msg = $@ ? "$path: $@\n"
911 : "extension disabled.\n";
912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913 warn $@;
914 warn "mandatory extension failed to load, exiting.\n";
915 exit 1;
916 }
917 die $@;
918 }
919
920 push @EXTS, $pkg;
921}
922
923sub load_extensions { 1310sub load_extensions {
1311 cf::sync_job {
1312 my %todo;
1313
924 for my $ext (<$LIBDIR/*.ext>) { 1314 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1315 next unless -r $path;
926 eval { 1316
927 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 $progress = 1;
928 1 1373 }
929 } or warn "$ext not loaded: $@"; 1374
1375 skip:
1376 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1377 unless $progress;
1378 }
930 } 1379 };
931} 1380}
932 1381
933############################################################################# 1382#############################################################################
934 1383
1384=back
1385
935=head2 CORE EXTENSIONS 1386=head2 CORE EXTENSIONS
936 1387
937Functions and methods that extend core crossfire objects. 1388Functions and methods that extend core crossfire objects.
938 1389
939=cut 1390=cut
944 1395
945=head3 cf::player 1396=head3 cf::player
946 1397
947=over 4 1398=over 4
948 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
949=item cf::player::find $login 1414=item cf::player::find $login
950 1415
951Returns the given player object, loading it if necessary (might block). 1416Returns the given player object, loading it if necessary (might block).
952 1417
953=cut 1418=cut
954 1419
955sub playerdir($) { 1420sub playerdir($) {
956 cf::localdir 1421 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1422 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1423}
962 1424
963sub path($) { 1425sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1426 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1453 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1454 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1455 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl"; 1456 aio_unlink +(playerdir $login) . "/$login.pl";
995 1457
996 my $pl = load_pl path $login 1458 my $f = new_from_file cf::object::thawer path $login
997 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;
998 $cf::PLAYER{$login} = $pl 1466 $cf::PLAYER{$login} = $pl
999 } 1467 }
1000 } 1468 }
1001} 1469}
1002 1470
1011 return if $pl->{deny_save}; 1479 return if $pl->{deny_save};
1012 1480
1013 aio_mkdir playerdir $pl, 0770; 1481 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME; 1482 $pl->{last_save} = $cf::RUNTIME;
1015 1483
1484 cf::get_slot 0.01;
1485
1016 $pl->save_pl ($path); 1486 $pl->save_pl ($path);
1017 Coro::cede; 1487 cf::cede_to_tick;
1018} 1488}
1019 1489
1020sub new($) { 1490sub new($) {
1021 my ($login) = @_; 1491 my ($login) = @_;
1022 1492
1028 $cf::PLAYER{$login} = $self; 1498 $cf::PLAYER{$login} = $self;
1029 1499
1030 $self 1500 $self
1031} 1501}
1032 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
1033=item $pl->quit_character 1513=item $pl->quit_character
1034 1514
1035Nukes the player without looking back. If logged in, the connection will 1515Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time. 1516be destroyed. May block for a long time.
1037 1517
1045 $pl->{deny_save} = 1; 1525 $pl->{deny_save} = 1;
1046 $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
1047 1527
1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1528 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 $pl->deactivate; 1529 $pl->deactivate;
1530 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531 $pl->ob->check_score;
1050 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1532 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1051 $pl->ns->destroy if $pl->ns; 1533 $pl->ns->destroy if $pl->ns;
1052 1534
1053 my $path = playerdir $pl; 1535 my $path = playerdir $pl;
1054 my $temp = "$path~$cf::RUNTIME~deleting~"; 1536 my $temp = "$path~$cf::RUNTIME~deleting~";
1084while and may block, so not sync_job-capable, ever. 1566while and may block, so not sync_job-capable, ever.
1085 1567
1086=cut 1568=cut
1087 1569
1088sub list_logins { 1570sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1571 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1572 or return [];
1091 1573
1092 my @logins; 1574 my @logins;
1093 1575
1094 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") {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1582 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next; 1583 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag 1584 $buf !~ /^password -------------$/m or next; # official not-valid tag
1585 }
1098 1586
1099 utf8::decode $login; 1587 utf8::decode $login;
1100 push @logins, $login; 1588 push @logins, $login;
1101 } 1589 }
1102 1590
1129 } 1617 }
1130 1618
1131 \@paths 1619 \@paths
1132} 1620}
1133 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
1134=item $player->ext_reply ($msgid, %msg) 1715=item $player->ext_reply ($msgid, @msg)
1135 1716
1136Sends an ext reply to the player. 1717Sends an ext reply to the player.
1137 1718
1138=cut 1719=cut
1139 1720
1140sub ext_reply($$%) { 1721sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1722 my ($self, $id, @msg) = @_;
1142 1723
1143 $msg{msgid} = $id; 1724 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1725}
1147 1726
1148=item $player->ext_event ($type, %msg) 1727=item $player->ext_msg ($type, @msg)
1149 1728
1150Sends an ext event to the client. 1729Sends an ext event to the client.
1151 1730
1152=cut 1731=cut
1153 1732
1154sub ext_event($$%) { 1733sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1734 my ($self, $type, @msg) = @_;
1156 1735
1157 $self->ns->ext_event ($type, %msg); 1736 $self->ns->ext_msg ($type, @msg);
1158} 1737}
1159 1738
1160=head3 cf::region 1739=head3 cf::region
1161 1740
1162=over 4 1741=over 4
1165 1744
1166package cf::region; 1745package cf::region;
1167 1746
1168=item cf::region::find_by_path $path 1747=item cf::region::find_by_path $path
1169 1748
1170Tries to decuce the probable region for a map knowing only its path. 1749Tries to decuce the likely region for a map knowing only its path.
1171 1750
1172=cut 1751=cut
1173 1752
1174sub find_by_path($) { 1753sub find_by_path($) {
1175 my ($path) = @_; 1754 my ($path) = @_;
1176 1755
1177 my ($match, $specificity); 1756 my ($match, $specificity);
1178 1757
1179 for my $region (list) { 1758 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1759 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1760 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1761 if $region->specificity > $specificity;
1183 } 1762 }
1184 } 1763 }
1185 1764
1206our $MAX_RESET = 3600; 1785our $MAX_RESET = 3600;
1207our $DEFAULT_RESET = 3000; 1786our $DEFAULT_RESET = 3000;
1208 1787
1209sub generate_random_map { 1788sub generate_random_map {
1210 my ($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
1211 # mit "rum" bekleckern, nicht 1793 # mit "rum" bekleckern, nicht
1212 $self->_create_random_map ( 1794 $self->_create_random_map (
1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1795 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1796 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1797 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1249 my ($self, $merge) = @_; 1831 my ($self, $merge) = @_;
1250 1832
1251 # we have to keep some variables in memory intact 1833 # we have to keep some variables in memory intact
1252 local $self->{path}; 1834 local $self->{path};
1253 local $self->{load_path}; 1835 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1836
1257 $self->SUPER::thawer_merge ($merge); 1837 $self->SUPER::thawer_merge ($merge);
1258} 1838}
1259 1839
1260sub normalise { 1840sub normalise {
1307 $self->init; # pass $1 etc. 1887 $self->init; # pass $1 etc.
1308 return $self; 1888 return $self;
1309 } 1889 }
1310 } 1890 }
1311 1891
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1892 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1893 ()
1314} 1894}
1315 1895
1316sub init { 1896sub init {
1317 my ($self) = @_; 1897 my ($self) = @_;
1332 1912
1333# the original (read-only) location 1913# the original (read-only) location
1334sub load_path { 1914sub load_path {
1335 my ($self) = @_; 1915 my ($self) = @_;
1336 1916
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1917 "$MAPDIR/$self->{path}.map"
1338} 1918}
1339 1919
1340# the temporary/swap location 1920# the temporary/swap location
1341sub save_path { 1921sub save_path {
1342 my ($self) = @_; 1922 my ($self) = @_;
1343 1923
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1924 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1925 "$TMPDIR/$path.map"
1346} 1926}
1347 1927
1348# the unique path, undef == no special unique path 1928# the unique path, undef == no special unique path
1349sub uniq_path { 1929sub uniq_path {
1350 my ($self) = @_; 1930 my ($self) = @_;
1351 1931
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1933 "$UNIQUEDIR/$path"
1354} 1934}
1355 1935
1356# and all this just because we cannot iterate over 1936# and all this just because we cannot iterate over
1357# all maps in C++... 1937# all maps in C++...
1358sub change_all_map_light { 1938sub change_all_map_light {
1360 1940
1361 $_->change_map_light ($change) 1941 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1942 for grep $_->outdoor, values %cf::MAP;
1363} 1943}
1364 1944
1945sub decay_objects {
1946 my ($self) = @_;
1947
1948 return if $self->{deny_reset};
1949
1950 $self->do_decay_objects;
1951}
1952
1365sub unlink_save { 1953sub unlink_save {
1366 my ($self) = @_; 1954 my ($self) = @_;
1367 1955
1368 utf8::encode (my $save = $self->save_path); 1956 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1372 1960
1373sub load_header_from($) { 1961sub load_header_from($) {
1374 my ($self, $path) = @_; 1962 my ($self, $path) = @_;
1375 1963
1376 utf8::encode $path; 1964 utf8::encode $path;
1377 #aio_open $path, O_RDONLY, 0 1965 my $f = new_from_file cf::object::thawer $path
1378 # or return;
1379
1380 $self->_load_header ($path)
1381 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;
1382 1973
1383 $self->{load_path} = $path; 1974 $self->{load_path} = $path;
1384 1975
1385 1 1976 1
1386} 1977}
1425 $self->load_header_orig 2016 $self->load_header_orig
1426 or return; 2017 or return;
1427 $self->prepare_orig; 2018 $self->prepare_orig;
1428 } 2019 }
1429 2020
2021 $self->{deny_reset} = 1
2022 if $self->no_reset;
2023
1430 $self->default_region (cf::region::find_by_path $self->{path}) 2024 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 2025 unless $self->default_region;
1432 2026
1433 1 2027 1
1434} 2028}
1437sub find { 2031sub find {
1438 my ($path, $origin) = @_; 2032 my ($path, $origin) = @_;
1439 2033
1440 $path = normalise $path, $origin && $origin->path; 2034 $path = normalise $path, $origin && $origin->path;
1441 2035
2036 cf::lock_wait "map_data:$path";#d#remove
1442 cf::lock_wait "map_find:$path"; 2037 cf::lock_wait "map_find:$path";
1443 2038
1444 $cf::MAP{$path} || do { 2039 $cf::MAP{$path} || do {
2040 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445 my $guard = cf::lock_acquire "map_find:$path"; 2041 my $guard2 = cf::lock_acquire "map_find:$path";
2042
1446 my $map = new_from_path cf::map $path 2043 my $map = new_from_path cf::map $path
1447 or return; 2044 or return;
1448 2045
1449 $map->{last_save} = $cf::RUNTIME; 2046 $map->{last_save} = $cf::RUNTIME;
1450 2047
1451 $map->load_header 2048 $map->load_header
1452 or return; 2049 or return;
1453 2050
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2051 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 2052 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 2053 #$cf::WAIT_FOR_TICK->wait;
2054 undef $guard2;
2055 undef $guard1;
1457 $map->reset; 2056 $map->reset;
1458 undef $guard;
1459 return find $path; 2057 return find $path;
1460 } 2058 }
1461 2059
1462 $cf::MAP{$path} = $map 2060 $cf::MAP{$path} = $map
1463 } 2061 }
1470 my ($self) = @_; 2068 my ($self) = @_;
1471 2069
1472 local $self->{deny_reset} = 1; # loading can take a long time 2070 local $self->{deny_reset} = 1; # loading can take a long time
1473 2071
1474 my $path = $self->{path}; 2072 my $path = $self->{path};
2073
2074 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 2075 my $guard = cf::lock_acquire "map_data:$path";
1476 2076
2077 return unless $self->valid;
1477 return if $self->in_memory != cf::MAP_SWAPPED; 2078 return unless $self->in_memory == cf::MAP_SWAPPED;
1478 2079
1479 $self->in_memory (cf::MAP_LOADING); 2080 $self->in_memory (cf::MAP_LOADING);
1480 2081
1481 $self->alloc; 2082 $self->alloc;
1482 2083
1483 $self->pre_load; 2084 $self->pre_load;
1484 Coro::cede; 2085 cf::cede_to_tick;
1485 2086
1486 $self->_load_objects ($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)
1487 or return; 2090 or return;
1488 2091
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2092 $self->post_load_original
1490 if delete $self->{load_original}; 2093 if delete $self->{load_original};
1491 2094
1492 if (my $uniq = $self->uniq_path) { 2095 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq; 2096 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) { 2097 unless (aio_stat $uniq) {
2098 if (my $f = new_from_file cf::object::thawer $uniq) {
1495 $self->clear_unique_items; 2099 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0); 2100 $self->_load_objects ($f);
2101 $f->resolve_delayed_derefs;
2102 }
1497 } 2103 }
1498 } 2104 }
1499 2105
1500 Coro::cede; 2106 $f->resolve_delayed_derefs;
2107
2108 cf::cede_to_tick;
1501 # now do the right thing for maps 2109 # now do the right thing for maps
1502 $self->link_multipart_objects; 2110 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($self->{deny_activate}) {
1506 $self->decay_objects;
1507 $self->fix_auto_apply;
1508 $self->update_buttons;
1509 Coro::cede;
1510 $self->set_darkness_map;
1511 $self->difficulty ($self->estimate_difficulty) 2111 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 2112 unless $self->difficulty;
1513 Coro::cede; 2113 cf::cede_to_tick;
2114
2115 unless ($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;
1514 $self->activate; 2122 $self->activate;
1515 Coro::cede; 2123 }
2124
2125 $self->{last_save} = $cf::RUNTIME;
2126 $self->last_access ($cf::RUNTIME);
2127
2128 $self->in_memory (cf::MAP_ACTIVE);
1516 } 2129 }
1517 2130
1518 $self->post_load; 2131 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 2132}
1523 2133
1524sub customise_for { 2134sub customise_for {
1525 my ($self, $ob) = @_; 2135 my ($self, $ob) = @_;
1526 2136
1527 return find "~" . $ob->name . "/" . $self->{path} 2137 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 2138 if $self->per_player;
1529 2139
2140# return find "?party/" . $ob->name . "/" . $self->{path}
2141# if $self->per_party;
2142
1530 $self 2143 $self
1531} 2144}
1532 2145
1533# find and load all maps in the 3x3 area around a map 2146# find and load all maps in the 3x3 area around a map
1534sub load_diag { 2147sub load_neighbours {
1535 my ($map) = @_; 2148 my ($map) = @_;
1536 2149
1537 my @diag; # diagonal neighbours 2150 my @neigh; # diagonal neighbours
1538 2151
1539 for (0 .. 3) { 2152 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 2153 my $neigh = $map->tile_path ($_)
1541 or next; 2154 or next;
1542 $neigh = find $neigh, $map 2155 $neigh = find $neigh, $map
1543 or next; 2156 or next;
1544 $neigh->load; 2157 $neigh->load;
1545 2158
2159 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2160 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2161 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 2162 }
1549 2163
1550 for (@diag) { 2164 for (grep defined $_->[0], @neigh) {
2165 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 2166 my $neigh = find $path, $origin
1552 or next; 2167 or next;
1553 $neigh->load; 2168 $neigh->load;
1554 } 2169 }
1555} 2170}
1556 2171
1561} 2176}
1562 2177
1563sub do_load_sync { 2178sub do_load_sync {
1564 my ($map) = @_; 2179 my ($map) = @_;
1565 2180
2181 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2182 if $Coro::current == $Coro::main;
2183
1566 cf::sync_job { $map->load }; 2184 cf::sync_job { $map->load };
1567} 2185}
1568 2186
1569our %MAP_PREFETCH; 2187our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 2188our $MAP_PREFETCHER = undef;
1571 2189
1572sub find_async { 2190sub find_async {
1573 my ($path, $origin) = @_; 2191 my ($path, $origin, $load) = @_;
1574 2192
1575 $path = normalise $path, $origin && $origin->{path}; 2193 $path = normalise $path, $origin && $origin->{path};
1576 2194
1577 if (my $map = $cf::MAP{$path}) { 2195 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2196 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579 } 2197 }
1580 2198
1581 undef $MAP_PREFETCH{$path}; 2199 $MAP_PREFETCH{$path} |= $load;
2200
1582 $MAP_PREFETCHER ||= cf::async { 2201 $MAP_PREFETCHER ||= cf::async {
2202 $Coro::current->{desc} = "map prefetcher";
2203
1583 while (%MAP_PREFETCH) { 2204 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 2205 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 2206 if (my $map = find $k) {
1586 or next;
1587 $map->load; 2207 $map->load if $v;
2208 }
1588 2209
1589 delete $MAP_PREFETCH{$path}; 2210 delete $MAP_PREFETCH{$k};
1590 } 2211 }
1591 } 2212 }
1592 undef $MAP_PREFETCHER; 2213 undef $MAP_PREFETCHER;
1593 }; 2214 };
1594 $MAP_PREFETCHER->prio (6); 2215 $MAP_PREFETCHER->prio (6);
1597} 2218}
1598 2219
1599sub save { 2220sub save {
1600 my ($self) = @_; 2221 my ($self) = @_;
1601 2222
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2223 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2224
1604 $self->{last_save} = $cf::RUNTIME; 2225 $self->{last_save} = $cf::RUNTIME;
1605 2226
1606 return unless $self->dirty; 2227 return unless $self->dirty;
1607 2228
1613 return if $self->{deny_save}; 2234 return if $self->{deny_save};
1614 2235
1615 local $self->{last_access} = $self->last_access;#d# 2236 local $self->{last_access} = $self->last_access;#d#
1616 2237
1617 cf::async { 2238 cf::async {
2239 $Coro::current->{desc} = "map player save";
1618 $_->contr->save for $self->players; 2240 $_->contr->save for $self->players;
1619 }; 2241 };
2242
2243 cf::get_slot 0.02;
1620 2244
1621 if ($uniq) { 2245 if ($uniq) {
1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2247 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1624 } else { 2248 } else {
1630 my ($self) = @_; 2254 my ($self) = @_;
1631 2255
1632 # save first because save cedes 2256 # save first because save cedes
1633 $self->save; 2257 $self->save;
1634 2258
1635 my $lock = cf::lock_acquire "map_data:" . $self->path; 2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
1636 2260
1637 return if $self->players; 2261 return if $self->players;
1638 return if $self->in_memory != cf::MAP_IN_MEMORY; 2262 return if $self->in_memory != cf::MAP_ACTIVE;
1639 return if $self->{deny_save}; 2263 return if $self->{deny_save};
1640 2264
2265 $self->in_memory (cf::MAP_SWAPPED);
2266
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
1641 $self->clear; 2269 $self->clear;
1642 $self->in_memory (cf::MAP_SWAPPED);
1643} 2270}
1644 2271
1645sub reset_at { 2272sub reset_at {
1646 my ($self) = @_; 2273 my ($self) = @_;
1647 2274
1648 # TODO: safety, remove and allow resettable per-player maps 2275 # TODO: safety, remove and allow resettable per-player maps
1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1650 return 1e99 if $self->{deny_reset}; 2276 return 1e99 if $self->{deny_reset};
1651 2277
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2278 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2279 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2280
1665 my ($self) = @_; 2291 my ($self) = @_;
1666 2292
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2293 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2294
1669 return if $self->players; 2295 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2296
1672 warn "resetting map ", $self->path;#d# 2297 warn "resetting map ", $self->path;
1673 2298
1674 $self->in_memory (cf::MAP_SWAPPED); 2299 $self->in_memory (cf::MAP_SWAPPED);
1675 2300
1676 # need to save uniques path 2301 # need to save uniques path
1677 unless ($self->{deny_save}) { 2302 unless ($self->{deny_save}) {
1681 if $uniq; 2306 if $uniq;
1682 } 2307 }
1683 2308
1684 delete $cf::MAP{$self->path}; 2309 delete $cf::MAP{$self->path};
1685 2310
2311 $self->deactivate;
2312 $_->clear_links_to ($self) for values %cf::MAP;
1686 $self->clear; 2313 $self->clear;
1687
1688 $_->clear_links_to ($self) for values %cf::MAP;
1689 2314
1690 $self->unlink_save; 2315 $self->unlink_save;
1691 $self->destroy; 2316 $self->destroy;
1692} 2317}
1693 2318
1694my $nuke_counter = "aaaa"; 2319my $nuke_counter = "aaaa";
1695 2320
1696sub nuke { 2321sub nuke {
1697 my ($self) = @_; 2322 my ($self) = @_;
1698 2323
2324 {
2325 my $lock = cf::lock_acquire "map_data:$self->{path}";
2326
1699 delete $cf::MAP{$self->path}; 2327 delete $cf::MAP{$self->path};
1700 2328
1701 $self->unlink_save; 2329 $self->unlink_save;
1702 2330
1703 bless $self, "cf::map"; 2331 bless $self, "cf::map";
1704 delete $self->{deny_reset}; 2332 delete $self->{deny_reset};
1705 $self->{deny_save} = 1; 2333 $self->{deny_save} = 1;
1706 $self->reset_timeout (1); 2334 $self->reset_timeout (1);
1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2335 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708 2336
1709 $cf::MAP{$self->path} = $self; 2337 $cf::MAP{$self->path} = $self;
2338 }
1710 2339
1711 $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 ]
1712} 2377}
1713 2378
1714=item cf::map::unique_maps 2379=item cf::map::unique_maps
1715 2380
1716Returns an arrayref of paths of all shared maps that have 2381Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2382instantiated unique items. May block.
1718 2383
1719=cut 2384=cut
1720 2385
1721sub unique_maps() { 2386sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2387 [
1723 or return; 2388 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2389 utf8::decode $_;
1729 next if /\.pst$/; 2390 s/\.map$//; # TODO future compatibility hack
1730 next unless /^$PATH_SEP/o; 2391 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731 2392 ? ()
1732 push @paths, cf::map::normalise $_; 2393 : normalise $_
2394 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2395 ]
1734
1735 \@paths
1736} 2396}
1737
1738package cf;
1739 2397
1740=back 2398=back
1741 2399
1742=head3 cf::object 2400=head3 cf::object
1743 2401
1747 2405
1748=over 4 2406=over 4
1749 2407
1750=item $ob->inv_recursive 2408=item $ob->inv_recursive
1751 2409
1752Returns 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.
1753 2412
1754=cut 2413=cut
1755 2414
1756sub inv_recursive_; 2415sub inv_recursive_;
1757sub inv_recursive_ { 2416sub inv_recursive_ {
1760 2419
1761sub inv_recursive { 2420sub inv_recursive {
1762 inv_recursive_ inv $_[0] 2421 inv_recursive_ inv $_[0]
1763} 2422}
1764 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
1765package cf; 2452package cf;
1766 2453
1767=back 2454=back
1768 2455
1769=head3 cf::object::player 2456=head3 cf::object::player
1775Sends 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>
1776can 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
1777dialogue with the given NPC character. 2464dialogue with the given NPC character.
1778 2465
1779=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};
1780 2481
1781# rough implementation of a future "reply" method that works 2482# rough implementation of a future "reply" method that works
1782# with dialog boxes. 2483# with dialog boxes.
1783#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
1784sub cf::object::player::reply($$$;$) { 2485sub cf::object::player::reply($$$;$) {
1786 2487
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2488 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2489
1789 if ($self->{record_replies}) { 2490 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2491 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2492
1791 } 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 {
1792 $msg = $npc->name . " says: $msg" if $npc; 2501 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2502 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2503 }
1794 } 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 (@_);
1795} 2515}
1796 2516
1797=item $player_object->may ("access") 2517=item $player_object->may ("access")
1798 2518
1799Returns wether the given player is authorized to access resource "access" 2519Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2566 $self->deactivate_recursive;
1847 2567
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2568 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2569
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2570 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2571 if $self->map && $self->map->{path} ne "{link}";
1852 2572
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2573 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2574}
1855 2575
1856sub cf::object::player::leave_link { 2576sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2577 my ($self, $map, $x, $y) = @_;
2578
2579 return unless $self->contr->active;
1858 2580
1859 my $link_pos = delete $self->{_link_pos}; 2581 my $link_pos = delete $self->{_link_pos};
1860 2582
1861 unless ($map) { 2583 unless ($map) {
1862 # restore original map position 2584 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2598 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2599 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2600 if $x <=0 && $y <= 0;
1879 2601
1880 $map->load; 2602 $map->load;
1881 $map->load_diag; 2603 $map->load_neighbours;
1882 2604
1883 return unless $self->contr->active; 2605 return unless $self->contr->active;
1884 $self->activate_recursive; 2606 $self->activate_recursive;
1885 2607
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2609 $self->enter_map ($map, $x, $y);
1888} 2610}
1889 2611
1890cf::player->attach ( 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2613
1894 # abort map switching before logout 2614Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2615her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2616that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2617the new (success) or old (failed) map position. In either case, $done will
1898 }; 2618be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2619
1904 # try to abort aborted map switching on player login :) 2620Note that $check will be called with a potentially non-loaded map, so if
1905 # should happen only on crashes 2621it needs a loaded map it has to call C<< ->load >>.
1906 if ($pl->ob->{_link_pos}) {
1907 $pl->ob->enter_link;
1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1915 Coro::Timer::sleep 1;
1916 $pl->ob->leave_link;
1917 })->prio (2);
1918 }
1919 },
1920);
1921 2622
1922=item $player_object->goto ($path, $x, $y)
1923
1924=cut 2623=cut
2624
2625our $GOTOGEN;
1925 2626
1926sub cf::object::player::goto { 2627sub cf::object::player::goto {
1927 my ($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;
1928 2632
1929 $self->enter_link; 2633 $self->enter_link;
1930 2634
1931 (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
1932 my $map = eval { 2657 my $map = eval {
1933 my $map = cf::map::find $path; 2658 my $map = defined $path ? cf::map::find $path : undef;
2659
2660 if ($map) {
1934 $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
1935 $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 $@;
1936 } or 2673 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2674
2675 if ($gen == $self->{_goto_generation}) {
2676 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2677 $self->leave_link ($map, $x, $y);
2678 }
2679
2680 $done->() if $done;
1940 })->prio (1); 2681 })->prio (1);
1941} 2682}
1942 2683
1943=item $player_object->enter_exit ($exit_object) 2684=item $player_object->enter_exit ($exit_object)
1944 2685
1964} 2705}
1965 2706
1966sub prepare_random_map { 2707sub prepare_random_map {
1967 my ($exit) = @_; 2708 my ($exit) = @_;
1968 2709
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971 # all this does is basically replace the /! path by 2710 # all this does is basically replace the /! path by
1972 # a new random map path (?random/...) with a seed 2711 # a new random map path (?random/...) with a seed
1973 # that depends on the exit object 2712 # that depends on the exit object
1974 2713
1975 my $rmp = parse_random_map_params $exit->msg; 2714 my $rmp = parse_random_map_params $exit->msg;
1977 if ($exit->map) { 2716 if ($exit->map) {
1978 $rmp->{region} = $exit->region->name; 2717 $rmp->{region} = $exit->region->name;
1979 $rmp->{origin_map} = $exit->map->path; 2718 $rmp->{origin_map} = $exit->map->path;
1980 $rmp->{origin_x} = $exit->x; 2719 $rmp->{origin_x} = $exit->x;
1981 $rmp->{origin_y} = $exit->y; 2720 $rmp->{origin_y} = $exit->y;
2721
2722 $exit->map->touch;
1982 } 2723 }
1983 2724
1984 $rmp->{random_seed} ||= $exit->random_seed; 2725 $rmp->{random_seed} ||= $exit->random_seed;
1985 2726
1986 my $data = cf::to_json $rmp; 2727 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987 my $md5 = Digest::MD5::md5_hex $data; 2728 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2729 my $meta = "$RANDOMDIR/$md5.meta";
1989 2730
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2731 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2732 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2733 undef $fh;
1993 aio_rename "$meta~", $meta; 2734 aio_rename "$meta~", $meta;
1994 2735
2736 my $slaying = "?random/$md5";
2737
2738 if ($exit->valid) {
1995 $exit->slaying ("?random/$md5"); 2739 $exit->slaying ("?random/$md5");
1996 $exit->msg (undef); 2740 $exit->msg (undef);
2741 }
1997 } 2742 }
1998} 2743}
1999 2744
2000sub cf::object::player::enter_exit { 2745sub cf::object::player::enter_exit {
2001 my ($self, $exit) = @_; 2746 my ($self, $exit) = @_;
2002 2747
2003 return unless $self->type == cf::PLAYER; 2748 return unless $self->type == cf::PLAYER;
2004 2749
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
2015
2016 $self->enter_link; 2750 $self->enter_link;
2017 2751
2018 (async { 2752 (async {
2019 $self->deactivate_recursive; # just to be sure 2753 $Coro::current->{desc} = "enter_exit";
2754
2020 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
2021 $self->goto ($slaying, $hp, $sp); 2770 $self->goto ($map, $x, $y);
2022 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
2023 1; 2776 1
2024 }) { 2777 }) {
2025 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the crossfire server. "
2026 . "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. "
2027 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
2028 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
2049 2802
2050 utf8::encode $text; 2803 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2804 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2805}
2053 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
2054=item $client->ext_event ($type, %msg) 2937=item $client->ext_msg ($type, @msg)
2055 2938
2056Sends an exti event to the client. 2939Sends an ext event to the client.
2057 2940
2058=cut 2941=cut
2059 2942
2060sub cf::client::ext_event($$%) { 2943sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2944 my ($self, $type, @msg) = @_;
2062 2945
2946 if ($self->extcmd == 2) {
2947 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2949 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 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 }
2065} 2970}
2066 2971
2067=item $success = $client->query ($flags, "text", \&cb) 2972=item $success = $client->query ($flags, "text", \&cb)
2068 2973
2069Queues a query to the client, calling the given callback with 2974Queues a query to the client, calling the given callback with
2070the 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>,
2071C<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>.
2072 2977
2073Queries 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
2074reliable at some point in the future. 2979become reliable at some point in the future.
2075 2980
2076=cut 2981=cut
2077 2982
2078sub cf::client::query { 2983sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2984 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2992 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2993 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2994
2090 $self->send_packet ($self->{query_queue}[0][0]) 2995 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2996 if @{ $self->{query_queue} } == 1;
2997
2998 1
2092} 2999}
2093 3000
2094cf::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 },
2095 on_reply => sub { 3007 on_reply => sub {
2096 my ($ns, $msg) = @_; 3008 my ($ns, $msg) = @_;
2097 3009
2098 # this weird shuffling is so that direct followup queries 3010 # this weird shuffling is so that direct followup queries
2099 # get handled first 3011 # get handled first
2111 } else { 3023 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 3025 }
2114 } 3026 }
2115 }, 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 },
2116); 3054);
2117 3055
2118=item $client->async (\&cb) 3056=item $client->async (\&cb)
2119 3057
2120Create a new coroutine, running the specified callback. The coroutine will 3058Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 3099our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 3100our $safe_hole = new Safe::Hole;
2163 3101
2164$SIG{FPE} = 'IGNORE'; 3102$SIG{FPE} = 'IGNORE';
2165 3103
2166$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));
2167 3109
2168# here we export the classes and methods available to script code 3110# here we export the classes and methods available to script code
2169 3111
2170=pod 3112=pod
2171 3113
2172The following functions and methods are available within a safe environment: 3114The following functions and methods are available within a safe environment:
2173 3115
2174 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
2175 cf::object::player player 3120 cf::object::player
2176 cf::player peaceful 3121 player
2177 cf::map trigger 3122
3123 cf::player
3124 peaceful
3125
3126 cf::map
3127 trigger
2178 3128
2179=cut 3129=cut
2180 3130
2181for ( 3131for (
2182 ["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)],
2183 ["cf::object::player" => qw(player)], 3135 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 3136 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 3137 ["cf::map" => qw(trigger)],
2186) { 3138) {
2187 no strict 'refs'; 3139 no strict 'refs';
2258=back 3210=back
2259 3211
2260=cut 3212=cut
2261 3213
2262############################################################################# 3214#############################################################################
2263
2264=head2 EXTENSION DATABASE SUPPORT
2265
2266Crossfire maintains a very simple database for extension use. It can
2267currently store anything that can be serialised using Storable, which
2268excludes objects.
2269
2270The parameter C<$family> should best start with the name of the extension
2271using it, it should be unique.
2272
2273=over 4
2274
2275=item $value = cf::db_get $family => $key
2276
2277Returns a single value from the database.
2278
2279=item cf::db_put $family => $key => $value
2280
2281Stores the given C<$value> in the family.
2282
2283=cut
2284
2285our $DB;
2286
2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2306
2307 cf::db_put (board => data => $pst->{board});
2308 cf::db_put (guildrules => data => $pst->{guildrules});
2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312 unlink $path;
2313 };
2314 }
2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332}
2333
2334#############################################################################
2335# the server's init and main functions 3215# the server's init and main functions
2336 3216
2337sub load_facedata { 3217sub load_facedata($) {
2338 my $path = sprintf "%s/facedata", cf::datadir; 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;
2339 3225
2340 warn "loading facedata from $path\n"; 3226 warn "loading facedata from $path\n";
2341 3227
2342 my $facedata; 3228 my $facedata;
2343 0 < aio_load $path, $facedata 3229 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 3232 $facedata = Coro::Storable::thaw $facedata;
2347 3233
2348 $facedata->{version} == 2 3234 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 3235 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 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
2351 { 3244 {
2352 my $faces = $facedata->{faceinfo}; 3245 my $faces = $facedata->{faceinfo};
2353 3246
2354 while (my ($face, $info) = each %$faces) { 3247 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3248 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3250 cf::face::set_visibility $idx, $info->{visibility};
3251 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3252 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3253 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 3254
3255 cf::cede_to_tick;
2360 } 3256 }
2361 3257
2362 while (my ($face, $info) = each %$faces) { 3258 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 3259 next unless $info->{smooth};
3260
2364 my $idx = cf::face::find $face 3261 my $idx = cf::face::find $face
2365 or next; 3262 or next;
3263
2366 if (my $smooth = cf::face::find $info->{smooth}) { 3264 if (my $smooth = cf::face::find $info->{smooth}) {
3265 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3266 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 3267 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3268 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 3269 }
2371 Coro::cede; 3270
3271 cf::cede_to_tick;
2372 } 3272 }
2373 } 3273 }
2374 3274
2375 { 3275 {
2376 my $anims = $facedata->{animinfo}; 3276 my $anims = $facedata->{animinfo};
2377 3277
2378 while (my ($anim, $info) = each %$anims) { 3278 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3279 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 3280 cf::cede_to_tick;
2381 } 3281 }
2382 3282
2383 cf::anim::invalidate_all; # d'oh 3283 cf::anim::invalidate_all; # d'oh
2384 } 3284 }
2385 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
2386 1 3321 1
2387} 3322}
2388 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
3352sub load_resource_file($) {
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"
3368 or die "unable to load regions file\n";
3369
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
2389sub load_archetypes { 3381sub reload_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable 3382 load_resource_file "$DATADIR/archetypes"
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir 3383 or die "unable to load archetypes\n";
2392} 3384}
2393 3385
2394sub load_treasures { 3386sub reload_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir 3387 load_resource_file "$DATADIR/treasures"
3388 or die "unable to load treasurelists\n";
2396} 3389}
2397 3390
2398sub reload_resources { 3391sub reload_resources {
2399 warn "reloading resource files...\n"; 3392 warn "reloading resource files...\n";
2400 3393
2401 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402 or die "unable to load regions file\n";
2403 load_facedata 3394 reload_facedata;
2404 or die "unable to load facedata\n";
2405 load_archetypes 3395 reload_archetypes;
2406 or die "unable to load archetypes\n"; 3396 reload_regions;
2407 load_treasures 3397 reload_treasures;
2408 or die "unable to load treasurelists\n";
2409 3398
2410 warn "finished reloading resource files\n"; 3399 warn "finished reloading resource files\n";
2411} 3400}
2412 3401
2413sub init { 3402sub init {
3403 my $guard = freeze_mainloop;
3404
3405 evthread_start IO::AIO::poll_fileno;
3406
2414 reload_resources; 3407 reload_resources;
2415} 3408}
2416 3409
2417sub cfg_load { 3410sub reload_config {
2418 open my $fh, "<:utf8", cf::confdir . "/config" 3411 open my $fh, "<:utf8", "$CONFDIR/config"
2419 or return; 3412 or return;
2420 3413
2421 local $/; 3414 local $/;
2422 *CFG = YAML::Syck::Load <$fh>; 3415 *CFG = YAML::Load <$fh>;
2423 3416
2424 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3417 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425 3418
2426 $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};
2427 $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};
2438sub main { 3431sub main {
2439 # we must not ever block the main coroutine 3432 # we must not ever block the main coroutine
2440 local $Coro::idle = sub { 3433 local $Coro::idle = sub {
2441 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#
2442 (async { 3435 (async {
2443 Event::one_event; 3436 $Coro::current->{desc} = "IDLE BUG HANDLER";
3437 EV::loop EV::LOOP_ONESHOT;
2444 })->prio (Coro::PRIO_MAX); 3438 })->prio (Coro::PRIO_MAX);
2445 }; 3439 };
2446 3440
2447 cfg_load; 3441 {
3442 my $guard = freeze_mainloop;
3443 reload_config;
2448 db_init; 3444 db_init;
2449 load_extensions; 3445 load_extensions;
2450 3446
2451 $TICK_WATCHER->start; 3447 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3448 }
3449
2452 Event::loop; 3450 EV::loop;
2453} 3451}
2454 3452
2455############################################################################# 3453#############################################################################
2456# initialisation and cleanup 3454# initialisation and cleanup
2457 3455
2458# install some emergency cleanup handlers 3456# install some emergency cleanup handlers
2459BEGIN { 3457BEGIN {
3458 our %SIGWATCHER = ();
2460 for my $signal (qw(INT HUP TERM)) { 3459 for my $signal (qw(INT HUP TERM)) {
2461 Event->signal ( 3460 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2462 reentrant => 0,
2463 data => WF_AUTOCANCEL,
2464 signal => $signal,
2465 prio => 0,
2466 cb => sub {
2467 cf::cleanup "SIG$signal"; 3461 cf::cleanup "SIG$signal";
2468 },
2469 ); 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
2470 } 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 };
2471} 3545}
2472 3546
2473sub emergency_save() { 3547sub emergency_save() {
2474 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
2475 3549
2481 # and maps saved/destroyed asynchronously. 3555 # and maps saved/destroyed asynchronously.
2482 warn "begin emergency player save\n"; 3556 warn "begin emergency player save\n";
2483 for my $login (keys %cf::PLAYER) { 3557 for my $login (keys %cf::PLAYER) {
2484 my $pl = $cf::PLAYER{$login} or next; 3558 my $pl = $cf::PLAYER{$login} or next;
2485 $pl->valid or next; 3559 $pl->valid or next;
3560 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486 $pl->save; 3561 $pl->save;
2487 } 3562 }
2488 warn "end emergency player save\n"; 3563 warn "end emergency player save\n";
2489 3564
2490 warn "begin emergency map save\n"; 3565 warn "begin emergency map save\n";
2496 warn "end emergency map save\n"; 3571 warn "end emergency map save\n";
2497 3572
2498 warn "begin emergency database checkpoint\n"; 3573 warn "begin emergency database checkpoint\n";
2499 BDB::db_env_txn_checkpoint $DB_ENV; 3574 BDB::db_env_txn_checkpoint $DB_ENV;
2500 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";
2501 }; 3580 };
2502 3581
2503 warn "leave emergency perl save\n"; 3582 warn "leave emergency perl save\n";
2504} 3583}
2505 3584
2508 3587
2509 warn Carp::longmess "post_cleanup backtrace" 3588 warn Carp::longmess "post_cleanup backtrace"
2510 if $make_core; 3589 if $make_core;
2511} 3590}
2512 3591
2513sub reload() { 3592sub do_reload_perl() {
2514 # can/must only be called in main 3593 # can/must only be called in main
2515 if ($Coro::current != $Coro::main) { 3594 if ($Coro::current != $Coro::main) {
2516 warn "can only reload from main coroutine"; 3595 warn "can only reload from main coroutine";
2517 return; 3596 return;
2518 } 3597 }
2520 warn "reloading..."; 3599 warn "reloading...";
2521 3600
2522 warn "entering sync_job"; 3601 warn "entering sync_job";
2523 3602
2524 cf::sync_job { 3603 cf::sync_job {
2525 cf::write_runtime; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
2526 cf::emergency_save; 3605 cf::emergency_save;
2527 cf::write_runtime; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
2528 3607
2529 warn "syncing database to disk"; 3608 warn "syncing database to disk";
2530 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
2531 3610
2532 # 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
2533
2534 warn "cancelling all WF_AUTOCANCEL watchers";
2535 for (Event::all_watchers) {
2536 $_->cancel if $_->data & WF_AUTOCANCEL;
2537 }
2538 3612
2539 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
2540 for (;;) { 3614 for (;;) {
2541 BDB::flush; 3615 BDB::flush;
2542 IO::AIO::flush; 3616 IO::AIO::flush;
2543 Coro::cede; 3617 Coro::cede_notself;
2544 last unless IO::AIO::nreqs || BDB::nreqs; 3618 last unless IO::AIO::nreqs || BDB::nreqs;
2545 warn "iterate..."; 3619 warn "iterate...";
2546 } 3620 }
2547 3621
2548 ++$RELOAD; 3622 ++$RELOAD;
2552 %EXT_CORO = (); 3626 %EXT_CORO = ();
2553 3627
2554 warn "removing commands"; 3628 warn "removing commands";
2555 %COMMAND = (); 3629 %COMMAND = ();
2556 3630
2557 warn "removing ext commands"; 3631 warn "removing ext/exti commands";
2558 %EXTCMD = (); 3632 %EXTCMD = ();
3633 %EXTICMD = ();
2559 3634
2560 warn "unloading/nuking all extensions"; 3635 warn "unloading/nuking all extensions";
2561 for my $pkg (@EXTS) { 3636 for my $pkg (@EXTS) {
2562 warn "... unloading $pkg"; 3637 warn "... unloading $pkg";
2563 3638
2593 Symbol::delete_package "safe::$_" 3668 Symbol::delete_package "safe::$_"
2594 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);
2595 3670
2596 warn "unloading cf.pm \"a bit\""; 3671 warn "unloading cf.pm \"a bit\"";
2597 delete $INC{"cf.pm"}; 3672 delete $INC{"cf.pm"};
3673 delete $INC{"cf/pod.pm"};
2598 3674
2599 # don't, removes xs symbols, too, 3675 # don't, removes xs symbols, too,
2600 # and global variables created in xs 3676 # and global variables created in xs
2601 #Symbol::delete_package __PACKAGE__; 3677 #Symbol::delete_package __PACKAGE__;
2602 3678
2605 warn "reloading cf.pm"; 3681 warn "reloading cf.pm";
2606 require cf; 3682 require cf;
2607 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3683 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608 3684
2609 warn "loading config and database again"; 3685 warn "loading config and database again";
2610 cf::cfg_load; 3686 cf::reload_config;
2611 3687
2612 warn "loading extensions"; 3688 warn "loading extensions";
2613 cf::load_extensions; 3689 cf::load_extensions;
2614 3690
2615 warn "reattaching attachments to objects/players"; 3691 warn "reattaching attachments to objects/players";
2617 warn "reattaching attachments to maps"; 3693 warn "reattaching attachments to maps";
2618 reattach $_ for values %MAP; 3694 reattach $_ for values %MAP;
2619 warn "reattaching attachments to players"; 3695 warn "reattaching attachments to players";
2620 reattach $_ for values %PLAYER; 3696 reattach $_ for values %PLAYER;
2621 3697
2622 warn "loading reloadable resources";
2623 reload_resources;
2624
2625 warn "leaving sync_job"; 3698 warn "leaving sync_job";
2626 3699
2627 1 3700 1
2628 } or do { 3701 } or do {
2629 warn $@; 3702 warn $@;
2630 warn "error while reloading, exiting."; 3703 cf::cleanup "error while reloading, exiting.";
2631 exit 1;
2632 }; 3704 };
2633 3705
2634 warn "reloaded"; 3706 warn "reloaded";
2635}; 3707};
2636 3708
2637our $RELOAD_WATCHER; # used only during reload 3709our $RELOAD_WATCHER; # used only during reload
2638 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 $RELOAD_WATCHER;
3718 };
3719}
3720
2639register_command "reload" => sub { 3721register_command "reload" => sub {
2640 my ($who, $arg) = @_; 3722 my ($who, $arg) = @_;
2641 3723
2642 if ($who->flag (FLAG_WIZ)) { 3724 if ($who->flag (FLAG_WIZ)) {
2643 $who->message ("reloading server."); 3725 $who->message ("reloading server.");
2644 3726 async {
2645 # doing reload synchronously and two reloads happen back-to-back, 3727 $Coro::current->{desc} = "perl_reload";
2646 # coro crashes during coro_state_free->destroy here.
2647
2648 $RELOAD_WATCHER ||= Event->timer (
2649 reentrant => 0,
2650 after => 0,
2651 data => WF_AUTOCANCEL,
2652 cb => sub {
2653 reload; 3728 reload_perl;
2654 undef $RELOAD_WATCHER;
2655 },
2656 ); 3729 };
2657 } 3730 }
2658}; 3731};
2659 3732
2660unshift @INC, $LIBDIR; 3733unshift @INC, $LIBDIR;
2661 3734
2663 3736
2664our @WAIT_FOR_TICK; 3737our @WAIT_FOR_TICK;
2665our @WAIT_FOR_TICK_BEGIN; 3738our @WAIT_FOR_TICK_BEGIN;
2666 3739
2667sub wait_for_tick { 3740sub wait_for_tick {
2668 return unless $TICK_WATCHER->is_active;
2669 return if $Coro::current == $Coro::main; 3741 return if tick_inhibit || $Coro::current == $Coro::main;
2670 3742
2671 my $signal = new Coro::Signal; 3743 my $signal = new Coro::Signal;
2672 push @WAIT_FOR_TICK, $signal; 3744 push @WAIT_FOR_TICK, $signal;
2673 $signal->wait; 3745 $signal->wait;
2674} 3746}
2675 3747
2676sub wait_for_tick_begin { 3748sub wait_for_tick_begin {
2677 return unless $TICK_WATCHER->is_active;
2678 return if $Coro::current == $Coro::main; 3749 return if tick_inhibit || $Coro::current == $Coro::main;
2679 3750
2680 my $signal = new Coro::Signal; 3751 my $signal = new Coro::Signal;
2681 push @WAIT_FOR_TICK_BEGIN, $signal; 3752 push @WAIT_FOR_TICK_BEGIN, $signal;
2682 $signal->wait; 3753 $signal->wait;
2683} 3754}
2684 3755
2685$TICK_WATCHER = Event->timer ( 3756sub tick {
2686 reentrant => 0,
2687 parked => 1,
2688 prio => 0,
2689 at => $NEXT_TICK || $TICK,
2690 data => WF_AUTOCANCEL,
2691 cb => sub {
2692 if ($Coro::current != $Coro::main) { 3757 if ($Coro::current != $Coro::main) {
2693 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3758 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694 unless ++$bug_warning > 10; 3759 unless ++$bug_warning > 10;
2695 return; 3760 return;
2696 } 3761 }
2697 3762
2698 $NOW = Event::time;
2699
2700 cf::server_tick; # one server iteration 3763 cf::server_tick; # one server iteration
2701 3764
2702 $RUNTIME += $TICK;
2703 $NEXT_TICK += $TICK;
2704
2705 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3765 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706 $NEXT_RUNTIME_WRITE = $NOW + 10; 3766 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707 Coro::async_pool { 3767 Coro::async_pool {
3768 $Coro::current->{desc} = "runtime saver";
2708 write_runtime 3769 write_runtime_sync
2709 or warn "ERROR: unable to write runtime file: $!"; 3770 or warn "ERROR: unable to write runtime file: $!";
2710 };
2711 } 3771 };
3772 }
2712 3773
2713# my $AFTER = Event::time;
2714# warn $AFTER - $NOW;#d#
2715
2716 # if we are delayed by four ticks or more, skip them all
2717 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719 $TICK_WATCHER->at ($NEXT_TICK);
2720 $TICK_WATCHER->start;
2721
2722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3774 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723 $sig->send; 3775 $sig->send;
2724 } 3776 }
2725 while (my $sig = shift @WAIT_FOR_TICK) { 3777 while (my $sig = shift @WAIT_FOR_TICK) {
2726 $sig->send; 3778 $sig->send;
2727 }
2728
2729 _post_tick;
2730 }, 3779 }
2731); 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}
2732 3792
2733{ 3793{
2734 BDB::max_poll_time $TICK * 0.1; 3794 # configure BDB
2735 $BDB_POLL_WATCHER = Event->io ( 3795
2736 reentrant => 0,
2737 fd => BDB::poll_fileno,
2738 poll => 'r',
2739 prio => 0,
2740 data => WF_AUTOCANCEL,
2741 cb => \&BDB::poll_cb,
2742 );
2743 BDB::min_parallel 8; 3796 BDB::min_parallel 8;
2744 3797 BDB::max_poll_reqs $TICK * 0.1;
2745 BDB::set_sync_prepare { 3798 $AnyEvent::BDB::WATCHER->priority (1);
2746 my $status;
2747 my $current = $Coro::current;
2748 (
2749 sub {
2750 $status = $!;
2751 $current->ready; undef $current;
2752 },
2753 sub {
2754 Coro::schedule while defined $current;
2755 $! = $status;
2756 },
2757 )
2758 };
2759 3799
2760 unless ($DB_ENV) { 3800 unless ($DB_ENV) {
2761 $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);
2762 3807
2763 cf::sync_job { 3808 cf::sync_job {
2764 eval { 3809 eval {
2765 BDB::db_env_open 3810 BDB::db_env_open
2766 $DB_ENV, 3811 $DB_ENV,
2767 $BDB_ENV_DIR, 3812 $BDBDIR,
2768 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3813 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3814 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770 0666; 3815 0666;
2771 3816
2772 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3817 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775 $DB_ENV->set_lk_detect;
2776 }; 3818 };
2777 3819
2778 cf::cleanup "db_env_open(db): $@" if $@; 3820 cf::cleanup "db_env_open(db): $@" if $@;
2779 }; 3821 };
2780 } 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 };
2781} 3833}
2782 3834
2783{ 3835{
3836 # configure IO::AIO
3837
2784 IO::AIO::min_parallel 8; 3838 IO::AIO::min_parallel 8;
2785
2786 undef $Coro::AIO::WATCHER;
2787 IO::AIO::max_poll_time $TICK * 0.1; 3839 IO::AIO::max_poll_time $TICK * 0.1;
2788 $AIO_POLL_WATCHER = Event->io ( 3840 undef $AnyEvent::AIO::WATCHER;
2789 reentrant => 0,
2790 data => WF_AUTOCANCEL,
2791 fd => IO::AIO::poll_fileno,
2792 poll => 'r',
2793 prio => 6,
2794 cb => \&IO::AIO::poll_cb,
2795 );
2796} 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;
2797 3885
2798END { cf::emergency_save } 3886END { cf::emergency_save }
2799 3887
28001 38881
2801 3889

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