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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.52 (); 15use Coro 3.64 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
21 25
26use JSON::XS ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
26use YAML::Syck (); 31use YAML::Syck ();
27use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
31# configure various modules to our taste 37# configure various modules to our taste
32# 38#
39$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 42
36$Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
37 44
45our %COMMAND = (); 52our %COMMAND = ();
46our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
47 54
48our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
52 60
53our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
54our @EVENT; 62our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 63
57our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58our $TICK_WATCHER; 77our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 80our $NEXT_TICK;
62our $NOW; 81our $NOW;
68our %CFG; 87our %CFG;
69 88
70our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 90our $RUNTIME;
72 91
73our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 95
82# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
85binmode STDOUT; 103binmode STDOUT;
86binmode STDERR; 104binmode STDERR;
87 105
88# read virtual server time, if available 106# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
93} 111}
94 112
95mkdir cf::localdir; 113mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 115
102our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
103 117
104sub cf::map::normalise; 118sub cf::map::normalise;
105 119
116=item $cf::RUNTIME 130=item $cf::RUNTIME
117 131
118The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
119every server tick. 133every server tick.
120 134
121=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122 138
123The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
124be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
125 143
126=item $cf::NOW 144=item $cf::NOW
127 145
128The time of the last (current) server tick. 146The time of the last (current) server tick.
129 147
130=item $cf::TICK 148=item $cf::TICK
131 149
132The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
133 161
134=item %cf::CFG 162=item %cf::CFG
135 163
136Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 165from wherever your confdir points to.
138 166
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
140 168
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
145 178
146=back 179=back
147 180
148=cut 181=cut
149 182
150BEGIN { 183BEGIN {
151 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 185 my $msg = join "", @_;
153 utf8::encode $msg;
154 186
155 $msg .= "\n" 187 $msg .= "\n"
156 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
157 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
158 LOG llevError, $msg; 193 LOG llevError, $msg;
159 }; 194 };
160} 195}
161 196
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168 204
169# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
170# within the Safe compartment. 206# within the Safe compartment.
171for my $pkg (qw( 207for my $pkg (qw(
172 cf::global cf::attachable 208 cf::global cf::attachable
180} 216}
181 217
182$Event::DIED = sub { 218$Event::DIED = sub {
183 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
184}; 220};
221
222#############################################################################
185 223
186=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
187 225
188=over 4 226=over 4
189 227
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d 247 $d
210 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
211} 249}
212 250
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
216 252
217Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
218 254
219=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
220 256
221Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
258
259=cut
260
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262
263sub to_json ($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) }
222 265
223=item cf::lock_wait $string 266=item cf::lock_wait $string
224 267
225Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
226 269
229Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
230a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
232returned. 275returned.
233 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
234Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
235uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
236 286
237=cut 287=cut
238 288
239our %LOCK; 289our %LOCK;
240 290
258 308
259 Coro::guard { 309 Coro::guard {
260 # wake up all waiters, to be on the safe side 310 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 311 $_->ready for @{ delete $LOCK{$key} };
262 } 312 }
313}
314
315sub lock_active($) {
316 my ($key) = @_;
317
318 ! ! $LOCK{$key}
263} 319}
264 320
265sub freeze_mainloop { 321sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 322 return unless $TICK_WATCHER->is_active;
267 323
270 }; 326 };
271 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
272 $guard 328 $guard
273} 329}
274 330
331=item cf::get_slot $time[, $priority[, $name]]
332
333Allocate $time seconds of blocking CPU time at priority C<$priority>:
334This call blocks and returns only when you have at least C<$time> seconds
335of cpu time till the next tick. The slot is only valid till the next cede.
336
337The optional C<$name> can be used to identify the job to run. It might be
338used for statistical purposes and should identify the same time-class.
339
340Useful for short background jobs.
341
342=cut
343
344our @SLOT_QUEUE;
345our $SLOT_QUEUE;
346
347$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async {
349 my $signal = new Coro::Signal;
350
351 while () {
352 next_job:
353 my $avail = cf::till_tick;
354 if ($avail > 0.01) {
355 for (0 .. $#SLOT_QUEUE) {
356 if ($SLOT_QUEUE[$_][0] < $avail) {
357 my $job = splice @SLOT_QUEUE, $_, 1, ();
358 $job->[2]->send;
359 Coro::cede;
360 goto next_job;
361 }
362 }
363 }
364
365 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait;
369 } else {
370 Coro::schedule;
371 }
372 }
373};
374
375sub get_slot($;$$) {
376 my ($time, $pri, $name) = @_;
377
378 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal;
380
381 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383 $SLOT_QUEUE->ready;
384 $sig->wait;
385}
386
275=item cf::async { BLOCK } 387=item cf::async { BLOCK }
276 388
277Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 390C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it. 391thing you are allowed to do is call C<prio> on it.
282 394
283BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
284 396
285=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
286 398
287The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable.
290 403
291If it must be done, put the blocking parts into C<sync_job>. This will run 404If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 406server will be frozen during this time, so the block should either finish
294fast or be very important. 407fast or be very important.
297 410
298sub sync_job(&) { 411sub sync_job(&) {
299 my ($job) = @_; 412 my ($job) = @_;
300 413
301 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
302 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
304 419
305 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 421 # (but this is cancel-safe)
317 432
318 while ($busy) { 433 while ($busy) {
319 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
320 } 435 }
321 436
437 $time = Event::time - $time;
438
439 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442 $tick_start += $time; # do not account sync jobs to server load
443
322 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
323 } else { 445 } else {
324 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
325 447
326 $job->() 448 $job->()
345 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
346 468
347 $coro 469 $coro
348} 470}
349 471
350sub write_runtime { 472=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 473
353 my $runtime = cf::localdir . "/runtime"; 474Executes the given code block with the given arguments in a seperate
475process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling.
354 478
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 479=cut
356 or return;
357 480
358 my $value = $cf::RUNTIME + 90 + 10; 481sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 482 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 483
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 484 # we seemingly have to make a local copy of the whole thing,
363 and return; 485 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (likely this will be rather laborious)
364 487
365 # always fsync - this file is important 488 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 489 reset_signals;
367 and return; 490 &$cb
491 }, @args;
368 492
369 close $fh 493 wantarray ? @res : $res[-1]
370 or return; 494}
371 495
372 aio_rename "$runtime~", $runtime 496=item $value = cf::db_get $family => $key
373 and return;
374 497
498Returns a single value from the environment database.
499
500=item cf::db_put $family => $key => $value
501
502Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504
505=cut
506
507our $DB;
508
509sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job {
514 eval {
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
375 1 523 }
524}
525
526sub db_get($$) {
527 my $key = "$_[0]/$_[1]";
528
529 cf::sync_job {
530 BDB::db_get $DB, undef, $key, my $data;
531
532 $! ? ()
533 : $data
534 }
535}
536
537sub db_put($$$) {
538 BDB::dbreq_pri 4;
539 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
540}
541
542=item cf::cache $id => [$paths...], $processversion => $process
543
544Generic caching function that returns the value of the resource $id,
545caching and regenerating as required.
546
547This function can block.
548
549=cut
550
551sub cache {
552 my ($id, $src, $processversion, $process) = @_;
553
554 my $meta =
555 join "\x00",
556 $processversion,
557 map {
558 aio_stat $_
559 and Carp::croak "$_: $!";
560
561 ($_, (stat _)[7,9])
562 } @$src;
563
564 my $dbmeta = db_get cache => "$id/meta";
565 if ($dbmeta ne $meta) {
566 # changed, we may need to process
567
568 my @data;
569 my $md5;
570
571 for (0 .. $#$src) {
572 0 <= aio_load $src->[$_], $data[$_]
573 or Carp::croak "$src->[$_]: $!";
574 }
575
576 # if processing is expensive, check
577 # checksum first
578 if (1) {
579 $md5 =
580 join "\x00",
581 $processversion,
582 map {
583 cf::cede_to_tick;
584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
585 } 0.. $#$src;
586
587
588 my $dbmd5 = db_get cache => "$id/md5";
589 if ($dbmd5 eq $md5) {
590 db_put cache => "$id/meta", $meta;
591
592 return db_get cache => "$id/data";
593 }
594 }
595
596 my $t1 = Time::HiRes::time;
597 my $data = $process->(\@data);
598 my $t2 = Time::HiRes::time;
599
600 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
601
602 db_put cache => "$id/data", $data;
603 db_put cache => "$id/md5" , $md5;
604 db_put cache => "$id/meta", $meta;
605
606 return $data;
607 }
608
609 db_get cache => "$id/data"
376} 610}
377 611
378=item cf::datalog type => key => value, ... 612=item cf::datalog type => key => value, ...
379 613
380Log a datalog packet of the given type with the given key-value pairs. 614Log a datalog packet of the given type with the given key-value pairs.
398attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
400 634
401In the following description, CLASS can be any of C<global>, C<object> 635In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 636C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 637Crossfire TRT).
404 638
405=over 4 639=over 4
406 640
407=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
408 642
571 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
572 806
573 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 811
578 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 813 my $pkg = shift @arg;
580 814
581 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
611 } 845 }
612 846
613 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
614 } else { 848 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 850 }
617 851
618 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
619} 853}
620 854
622 if (ref $_[0]) { 856 if (ref $_[0]) {
623 _object_attach @_; 857 _object_attach @_;
624 } else { 858 } else {
625 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
626 } 860 }
861 _recalc_want;
627}; 862};
628 863
629# all those should be optimised 864# all those should be optimised
630sub cf::attachable::detach { 865sub cf::attachable::detach {
631 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
635 reattach ($obj); 870 reattach ($obj);
636 } else { 871 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
638 } 873 }
874 _recalc_want;
639}; 875};
640 876
641sub cf::attachable::attached { 877sub cf::attachable::attached {
642 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
643 879
658 "; 894 ";
659 die if $@; 895 die if $@;
660} 896}
661 897
662our $override; 898our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 899our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 900
665sub override { 901sub override {
666 $override = 1; 902 $override = 1;
667 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
668} 904}
669 905
670sub do_invoke { 906sub do_invoke {
671 my $event = shift; 907 my $event = shift;
672 my $callbacks = shift; 908 my $callbacks = shift;
673 909
674 @invoke_results = (); 910 @INVOKE_RESULTS = ();
675 911
676 local $override; 912 local $override;
677 913
678 for (@$callbacks) { 914 for (@$callbacks) {
679 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
696 932
697Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
698 934
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 935This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 936removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 938
703=back 939=back
704 940
705=cut 941=cut
706 942
707############################################################################# 943#############################################################################
708# object support 944# object support
945#
946
947sub _can_merge {
948 my ($ob1, $ob2) = @_;
949
950 local $Storable::canonical = 1;
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953
954 $fob1 eq $fob2
955}
709 956
710sub reattach { 957sub reattach {
711 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 959 my ($obj) = @_;
713 960
757 }, 1004 },
758); 1005);
759 1006
760sub object_freezer_save { 1007sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1008 my ($filename, $rdata, $objs) = @_;
1009
1010 my $guard = cf::lock_acquire "io";
762 1011
763 sync_job { 1012 sync_job {
764 if (length $$rdata) { 1013 if (length $$rdata) {
765 warn sprintf "saving %s (%d,%d)\n", 1014 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1015 $filename, length $$rdata, scalar @$objs;
790 } 1039 }
791 } else { 1040 } else {
792 aio_unlink $filename; 1041 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1042 aio_unlink "$filename.pst";
794 } 1043 }
795 } 1044 };
1045
1046 undef $guard;
796} 1047}
797 1048
798sub object_freezer_as_string { 1049sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1050 my ($rdata, $objs) = @_;
800 1051
805 1056
806sub object_thawer_load { 1057sub object_thawer_load {
807 my ($filename) = @_; 1058 my ($filename) = @_;
808 1059
809 my ($data, $av); 1060 my ($data, $av);
1061
1062 my $guard = cf::lock_acquire "io";
810 1063
811 (aio_load $filename, $data) >= 0 1064 (aio_load $filename, $data) >= 0
812 or return; 1065 or return;
813 1066
814 unless (aio_stat "$filename.pst") { 1067 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1068 (aio_load "$filename.pst", $av) >= 0
816 or return; 1069 or return;
1070
1071 undef $guard;
817 $av = eval { (Storable::thaw $av)->{objs} }; 1072 $av = eval { (Storable::thaw $av)->{objs} };
818 } 1073 }
819 1074
820 warn sprintf "loading %s (%d)\n", 1075 warn sprintf "loading %s (%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1076 $filename, length $data, scalar @{$av || []};
1077
822 return ($data, $av); 1078 ($data, $av)
823} 1079}
1080
1081=head2 COMMAND CALLBACKS
1082
1083=over 4
1084
1085=cut
824 1086
825############################################################################# 1087#############################################################################
826# command handling &c 1088# command handling &c
827 1089
828=item cf::register_command $name => \&callback($ob,$args); 1090=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1103 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1104}
843 1105
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1106=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1107
846Register a callbackf ro execution when the client sends an extcmd packet. 1108Register a callback for execution when the client sends an (synchronous)
1109extcmd packet. Ext commands will be processed in the order they are
1110received by the server, like other user commands. The first argument is
1111the logged-in player. Ext commands can only be processed after a player
1112has logged in successfully.
847 1113
848If the callback returns something, it is sent back as if reply was being 1114If the callback returns something, it is sent back as if reply was being
849called. 1115called.
850 1116
1117=item cf::register_exticmd $name => \&callback($ns,$packet);
1118
1119Register a callback for execution when the client sends an (asynchronous)
1120exticmd packet. Exti commands are processed by the server as soon as they
1121are received, i.e. out of order w.r.t. other commands. The first argument
1122is a client socket. Exti commands can be received anytime, even before
1123log-in.
1124
1125If the callback returns something, it is sent back as if reply was being
1126called.
1127
851=cut 1128=cut
852 1129
853sub register_extcmd { 1130sub register_extcmd {
854 my ($name, $cb) = @_; 1131 my ($name, $cb) = @_;
855 1132
856 $EXTCMD{$name} = $cb; 1133 $EXTCMD{$name} = $cb;
1134}
1135
1136sub register_exticmd {
1137 my ($name, $cb) = @_;
1138
1139 $EXTICMD{$name} = $cb;
857} 1140}
858 1141
859cf::player->attach ( 1142cf::player->attach (
860 on_command => sub { 1143 on_command => sub {
861 my ($pl, $name, $params) = @_; 1144 my ($pl, $name, $params) = @_;
870 cf::override; 1153 cf::override;
871 }, 1154 },
872 on_extcmd => sub { 1155 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1156 my ($pl, $buf) = @_;
874 1157
875 my $msg = eval { from_json $buf }; 1158 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1159
877 if (ref $msg) { 1160 if (ref $msg) {
1161 my ($type, $reply, @payload) =
1162 "ARRAY" eq ref $msg
1163 ? @$msg
1164 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1165
1166 my @reply;
1167
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1168 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1169 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1170 }
1171
1172 $pl->ext_reply ($reply, @reply)
1173 if $reply;
1174
883 } else { 1175 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1176 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1177 }
886 1178
887 cf::override; 1179 cf::override;
888 }, 1180 },
889); 1181);
890 1182
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1183sub load_extensions {
1184 cf::sync_job {
1185 my %todo;
1186
926 for my $ext (<$LIBDIR/*.ext>) { 1187 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1188 next unless -r $path;
928 eval { 1189
929 load_extension $ext; 1190 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1191 my $base = $1;
1192 my $pkg = $1;
1193 $pkg =~ s/[^[:word:]]/_/g;
1194 $pkg = "ext::$pkg";
1195
1196 open my $fh, "<:utf8", $path
1197 or die "$path: $!";
1198
1199 my $source = do { local $/; <$fh> };
1200
1201 my %ext = (
1202 path => $path,
1203 base => $base,
1204 pkg => $pkg,
1205 );
1206
1207 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209
1210 $ext{source} =
1211 "package $pkg; use strict; use utf8;\n"
1212 . "#line 1 \"$path\"\n{\n"
1213 . $source
1214 . "\n};\n1";
1215
1216 $todo{$base} = \%ext;
1217 }
1218
1219 my %done;
1220 while (%todo) {
1221 my $progress;
1222
1223 while (my ($k, $v) = each %todo) {
1224 for (split /,\s*/, $v->{meta}{depends}) {
1225 goto skip
1226 unless exists $done{$_};
1227 }
1228
1229 warn "... loading '$k' into '$v->{pkg}'\n";
1230
1231 unless (eval $v->{source}) {
1232 my $msg = $@ ? "$v->{path}: $@\n"
1233 : "$v->{base}: extension inactive.\n";
1234
1235 if (exists $v->{meta}{mandatory}) {
1236 warn $msg;
1237 warn "mandatory extension failed to load, exiting.\n";
1238 exit 1;
1239 }
1240
1241 warn $msg;
1242 }
1243
1244 $done{$k} = delete $todo{$k};
1245 push @EXTS, $v->{pkg};
1246 $progress = 1;
930 1 1247 }
931 } or warn "$ext not loaded: $@"; 1248
1249 skip:
1250 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1251 unless $progress;
1252 }
932 } 1253 };
933} 1254}
934 1255
935############################################################################# 1256#############################################################################
936 1257
1258=back
1259
937=head2 CORE EXTENSIONS 1260=head2 CORE EXTENSIONS
938 1261
939Functions and methods that extend core crossfire objects. 1262Functions and methods that extend core crossfire objects.
940 1263
941=cut 1264=cut
953Returns the given player object, loading it if necessary (might block). 1276Returns the given player object, loading it if necessary (might block).
954 1277
955=cut 1278=cut
956 1279
957sub playerdir($) { 1280sub playerdir($) {
958 cf::localdir 1281 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1282 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1283}
964 1284
965sub path($) { 1285sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1286 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1287
968 (playerdir $login) . "/$login.pl" 1288 (playerdir $login) . "/playerdata"
969} 1289}
970 1290
971sub find_active($) { 1291sub find_active($) {
972 $cf::PLAYER{$_[0]} 1292 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1293 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1306 my $login = $_[0];
987 1307
988 my $guard = cf::lock_acquire "user_find:$login"; 1308 my $guard = cf::lock_acquire "user_find:$login";
989 1309
990 $cf::PLAYER{$_[0]} || do { 1310 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login 1311 # rename old playerfiles to new ones
1312 #TODO: remove when no longer required
1313 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1314 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1315 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1316 aio_unlink +(playerdir $login) . "/$login.pl";
1317
1318 my $f = new_from_file cf::object::thawer path $login
992 or return; 1319 or return;
1320
1321 $f->next;
1322 my $pl = cf::player::load_pl $f
1323 or return;
1324 local $cf::PLAYER_LOADING{$login} = $pl;
1325 $f->resolve_delayed_derefs;
993 $cf::PLAYER{$login} = $pl 1326 $cf::PLAYER{$login} = $pl
994 } 1327 }
995 } 1328 }
996} 1329}
997 1330
1007 1340
1008 aio_mkdir playerdir $pl, 0770; 1341 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME; 1342 $pl->{last_save} = $cf::RUNTIME;
1010 1343
1011 $pl->save_pl ($path); 1344 $pl->save_pl ($path);
1012 Coro::cede; 1345 cf::cede_to_tick;
1013} 1346}
1014 1347
1015sub new($) { 1348sub new($) {
1016 my ($login) = @_; 1349 my ($login) = @_;
1017 1350
1021 $self->{deny_save} = 1; 1354 $self->{deny_save} = 1;
1022 1355
1023 $cf::PLAYER{$login} = $self; 1356 $cf::PLAYER{$login} = $self;
1024 1357
1025 $self 1358 $self
1359}
1360
1361=item $player->send_msg ($channel, $msg, $color, [extra...])
1362
1363=cut
1364
1365sub send_msg {
1366 my $ns = shift->ns
1367 or return;
1368 $ns->send_msg (@_);
1026} 1369}
1027 1370
1028=item $pl->quit_character 1371=item $pl->quit_character
1029 1372
1030Nukes the player without looking back. If logged in, the connection will 1373Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1422while and may block, so not sync_job-capable, ever.
1080 1423
1081=cut 1424=cut
1082 1425
1083sub list_logins { 1426sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1427 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1428 or return [];
1086 1429
1087 my @logins; 1430 my @logins;
1088 1431
1089 for my $login (@$dirs) { 1432 for my $login (@$dirs) {
1433 my $path = path $login;
1434
1435 # a .pst is a dead give-away for a valid player
1436 unless (-e "$path.pst") {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1437 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next; 1438 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag 1439 $buf !~ /^password -------------$/m or next; # official not-valid tag
1440 }
1093 1441
1094 utf8::decode $login; 1442 utf8::decode $login;
1095 push @logins, $login; 1443 push @logins, $login;
1096 } 1444 }
1097 1445
1124 } 1472 }
1125 1473
1126 \@paths 1474 \@paths
1127} 1475}
1128 1476
1477=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1478
1479Expand crossfire pod fragments into protocol xml.
1480
1481=cut
1482
1483sub expand_cfpod {
1484 ((my $self), (local $_)) = @_;
1485
1486 # escape & and <
1487 s/&/&amp;/g;
1488 s/(?<![BIUGHT])</&lt;/g;
1489
1490 # this is buggy, it needs to properly take care of nested <'s
1491
1492 1 while
1493 # replace B<>, I<>, U<> etc.
1494 s/B<([^\>]*)>/<b>$1<\/b>/
1495 || s/I<([^\>]*)>/<i>$1<\/i>/
1496 || s/U<([^\>]*)>/<u>$1<\/u>/
1497 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527
1129=item $player->ext_reply ($msgid, %msg) 1528=item $player->ext_reply ($msgid, @msg)
1130 1529
1131Sends an ext reply to the player. 1530Sends an ext reply to the player.
1132 1531
1133=cut 1532=cut
1134 1533
1135sub ext_reply($$%) { 1534sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1535 my ($self, $id, @msg) = @_;
1137 1536
1138 $msg{msgid} = $id; 1537 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1538}
1142 1539
1143=item $player->ext_event ($type, %msg) 1540=item $player->ext_msg ($type, @msg)
1144 1541
1145Sends an ext event to the client. 1542Sends an ext event to the client.
1146 1543
1147=cut 1544=cut
1148 1545
1149sub ext_event($$%) { 1546sub ext_msg($$@) {
1150 my ($self, $type, %msg) = @_; 1547 my ($self, $type, @msg) = @_;
1151 1548
1152 delete $msg{msgid}; 1549 $self->ns->ext_msg ($type, @msg);
1153 $msg{msgtype} = "event";
1154 $msg{eventtype} = $type;
1155
1156 $self->send ("ext " . cf::to_json \%msg);
1157} 1550}
1158 1551
1159package cf; 1552=head3 cf::region
1553
1554=over 4
1555
1556=cut
1557
1558package cf::region;
1559
1560=item cf::region::find_by_path $path
1561
1562Tries to decuce the likely region for a map knowing only its path.
1563
1564=cut
1565
1566sub find_by_path($) {
1567 my ($path) = @_;
1568
1569 my ($match, $specificity);
1570
1571 for my $region (list) {
1572 if ($region->{match} && $path =~ $region->{match}) {
1573 ($match, $specificity) = ($region, $region->specificity)
1574 if $region->specificity > $specificity;
1575 }
1576 }
1577
1578 $match
1579}
1160 1580
1161=back 1581=back
1162
1163 1582
1164=head3 cf::map 1583=head3 cf::map
1165 1584
1166=over 4 1585=over 4
1167 1586
1222 my ($self, $merge) = @_; 1641 my ($self, $merge) = @_;
1223 1642
1224 # we have to keep some variables in memory intact 1643 # we have to keep some variables in memory intact
1225 local $self->{path}; 1644 local $self->{path};
1226 local $self->{load_path}; 1645 local $self->{load_path};
1227 local $self->{deny_save};
1228 local $self->{deny_reset};
1229 1646
1230 $self->SUPER::thawer_merge ($merge); 1647 $self->SUPER::thawer_merge ($merge);
1231} 1648}
1232 1649
1233sub normalise { 1650sub normalise {
1280 $self->init; # pass $1 etc. 1697 $self->init; # pass $1 etc.
1281 return $self; 1698 return $self;
1282 } 1699 }
1283 } 1700 }
1284 1701
1285 Carp::carp "unable to resolve path '$path' (base '$base')."; 1702 Carp::cluck "unable to resolve path '$path' (base '$base').";
1286 () 1703 ()
1287} 1704}
1288 1705
1289sub init { 1706sub init {
1290 my ($self) = @_; 1707 my ($self) = @_;
1305 1722
1306# the original (read-only) location 1723# the original (read-only) location
1307sub load_path { 1724sub load_path {
1308 my ($self) = @_; 1725 my ($self) = @_;
1309 1726
1310 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1727 "$MAPDIR/$self->{path}.map"
1311} 1728}
1312 1729
1313# the temporary/swap location 1730# the temporary/swap location
1314sub save_path { 1731sub save_path {
1315 my ($self) = @_; 1732 my ($self) = @_;
1316 1733
1317 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1734 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1735 "$TMPDIR/$path.map"
1319} 1736}
1320 1737
1321# the unique path, undef == no special unique path 1738# the unique path, undef == no special unique path
1322sub uniq_path { 1739sub uniq_path {
1323 my ($self) = @_; 1740 my ($self) = @_;
1324 1741
1325 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1742 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1743 "$UNIQUEDIR/$path"
1327} 1744}
1328 1745
1329# and all this just because we cannot iterate over 1746# and all this just because we cannot iterate over
1330# all maps in C++... 1747# all maps in C++...
1331sub change_all_map_light { 1748sub change_all_map_light {
1333 1750
1334 $_->change_map_light ($change) 1751 $_->change_map_light ($change)
1335 for grep $_->outdoor, values %cf::MAP; 1752 for grep $_->outdoor, values %cf::MAP;
1336} 1753}
1337 1754
1755sub decay_objects {
1756 my ($self) = @_;
1757
1758 return if $self->{deny_reset};
1759
1760 $self->do_decay_objects;
1761}
1762
1338sub unlink_save { 1763sub unlink_save {
1339 my ($self) = @_; 1764 my ($self) = @_;
1340 1765
1341 utf8::encode (my $save = $self->save_path); 1766 utf8::encode (my $save = $self->save_path);
1342 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1767 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1345 1770
1346sub load_header_from($) { 1771sub load_header_from($) {
1347 my ($self, $path) = @_; 1772 my ($self, $path) = @_;
1348 1773
1349 utf8::encode $path; 1774 utf8::encode $path;
1350 #aio_open $path, O_RDONLY, 0 1775 my $f = new_from_file cf::object::thawer $path
1351 # or return;
1352
1353 $self->_load_header ($path)
1354 or return; 1776 or return;
1777
1778 $self->_load_header ($f)
1779 or return;
1780
1781 local $MAP_LOADING{$self->{path}} = $self;
1782 $f->resolve_delayed_derefs;
1355 1783
1356 $self->{load_path} = $path; 1784 $self->{load_path} = $path;
1357 1785
1358 1 1786 1
1359} 1787}
1398 $self->load_header_orig 1826 $self->load_header_orig
1399 or return; 1827 or return;
1400 $self->prepare_orig; 1828 $self->prepare_orig;
1401 } 1829 }
1402 1830
1831 $self->{deny_reset} = 1
1832 if $self->no_reset;
1833
1834 $self->default_region (cf::region::find_by_path $self->{path})
1835 unless $self->default_region;
1836
1403 1 1837 1
1404} 1838}
1405 1839
1406sub find; 1840sub find;
1407sub find { 1841sub find {
1419 $map->{last_save} = $cf::RUNTIME; 1853 $map->{last_save} = $cf::RUNTIME;
1420 1854
1421 $map->load_header 1855 $map->load_header
1422 or return; 1856 or return;
1423 1857
1424 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1858 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425 # doing this can freeze the server in a sync job, obviously 1859 # doing this can freeze the server in a sync job, obviously
1426 #$cf::WAIT_FOR_TICK->wait; 1860 #$cf::WAIT_FOR_TICK->wait;
1427 $map->reset; 1861 $map->reset;
1428 undef $guard; 1862 undef $guard;
1429 return find $path; 1863 return find $path;
1440 my ($self) = @_; 1874 my ($self) = @_;
1441 1875
1442 local $self->{deny_reset} = 1; # loading can take a long time 1876 local $self->{deny_reset} = 1; # loading can take a long time
1443 1877
1444 my $path = $self->{path}; 1878 my $path = $self->{path};
1879
1880 {
1881 my $guard1 = cf::lock_acquire "map_data:$path";
1445 my $guard = cf::lock_acquire "map_load:$path"; 1882 my $guard2 = cf::lock_acquire "map_load:$path";
1446 1883
1447 return if $self->in_memory != cf::MAP_SWAPPED; 1884 return if $self->in_memory != cf::MAP_SWAPPED;
1448 1885
1449 $self->in_memory (cf::MAP_LOADING); 1886 $self->in_memory (cf::MAP_LOADING);
1450 1887
1451 $self->alloc; 1888 $self->alloc;
1452 1889
1453 $self->pre_load; 1890 $self->pre_load;
1891 cf::cede_to_tick;
1454 1892
1455 $self->_load_objects ($self->{load_path}, 1) 1893 my $f = new_from_file cf::object::thawer $self->{load_path};
1894 $f->skip_block;
1895 $self->_load_objects ($f)
1456 or return; 1896 or return;
1457 1897
1458 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459 if delete $self->{load_original}; 1899 if delete $self->{load_original};
1460 1900
1461 if (my $uniq = $self->uniq_path) { 1901 if (my $uniq = $self->uniq_path) {
1462 utf8::encode $uniq; 1902 utf8::encode $uniq;
1463 if (aio_open $uniq, O_RDONLY, 0) { 1903 unless (aio_stat $uniq) {
1904 if (my $f = new_from_file cf::object::thawer $uniq) {
1464 $self->clear_unique_items; 1905 $self->clear_unique_items;
1465 $self->_load_objects ($uniq, 0); 1906 $self->_load_objects ($f);
1907 $f->resolve_delayed_derefs;
1908 }
1466 } 1909 }
1467 } 1910 }
1468 1911
1469 Coro::cede; 1912 $f->resolve_delayed_derefs;
1470 1913
1914 cf::cede_to_tick;
1471 # now do the right thing for maps 1915 # now do the right thing for maps
1472 $self->link_multipart_objects; 1916 $self->link_multipart_objects;
1473
1474 unless ($self->{deny_activate}) {
1475 $self->decay_objects;
1476 $self->fix_auto_apply;
1477 $self->update_buttons;
1478 Coro::cede;
1479 $self->set_darkness_map;
1480 $self->difficulty ($self->estimate_difficulty) 1917 $self->difficulty ($self->estimate_difficulty)
1481 unless $self->difficulty; 1918 unless $self->difficulty;
1482 Coro::cede; 1919 cf::cede_to_tick;
1920
1921 unless ($self->{deny_activate}) {
1922 $self->decay_objects;
1923 $self->fix_auto_apply;
1924 $self->update_buttons;
1925 cf::cede_to_tick;
1926 $self->set_darkness_map;
1927 cf::cede_to_tick;
1483 $self->activate; 1928 $self->activate;
1929 }
1930
1931 $self->{last_save} = $cf::RUNTIME;
1932 $self->last_access ($cf::RUNTIME);
1933
1934 $self->in_memory (cf::MAP_IN_MEMORY);
1484 } 1935 }
1485 1936
1486 $self->post_load; 1937 $self->post_load;
1487
1488 $self->in_memory (cf::MAP_IN_MEMORY);
1489} 1938}
1490 1939
1491sub customise_for { 1940sub customise_for {
1492 my ($self, $ob) = @_; 1941 my ($self, $ob) = @_;
1493 1942
1494 return find "~" . $ob->name . "/" . $self->{path} 1943 return find "~" . $ob->name . "/" . $self->{path}
1495 if $self->per_player; 1944 if $self->per_player;
1496 1945
1946# return find "?party/" . $ob->name . "/" . $self->{path}
1947# if $self->per_party;
1948
1497 $self 1949 $self
1498} 1950}
1499 1951
1500# find and load all maps in the 3x3 area around a map 1952# find and load all maps in the 3x3 area around a map
1501sub load_diag { 1953sub load_neighbours {
1502 my ($map) = @_; 1954 my ($map) = @_;
1503 1955
1504 my @diag; # diagonal neighbours 1956 my @neigh; # diagonal neighbours
1505 1957
1506 for (0 .. 3) { 1958 for (0 .. 3) {
1507 my $neigh = $map->tile_path ($_) 1959 my $neigh = $map->tile_path ($_)
1508 or next; 1960 or next;
1509 $neigh = find $neigh, $map 1961 $neigh = find $neigh, $map
1510 or next; 1962 or next;
1511 $neigh->load; 1963 $neigh->load;
1512 1964
1965 push @neigh,
1513 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1966 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1514 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1967 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1515 } 1968 }
1516 1969
1517 for (@diag) { 1970 for (grep defined $_->[0], @neigh) {
1971 my ($path, $origin) = @$_;
1518 my $neigh = find @$_ 1972 my $neigh = find $path, $origin
1519 or next; 1973 or next;
1520 $neigh->load; 1974 $neigh->load;
1521 } 1975 }
1522} 1976}
1523 1977
1528} 1982}
1529 1983
1530sub do_load_sync { 1984sub do_load_sync {
1531 my ($map) = @_; 1985 my ($map) = @_;
1532 1986
1987 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1988 if $Coro::current == $Coro::main;
1989
1533 cf::sync_job { $map->load }; 1990 cf::sync_job { $map->load };
1534} 1991}
1535 1992
1536our %MAP_PREFETCH; 1993our %MAP_PREFETCH;
1537our $MAP_PREFETCHER = undef; 1994our $MAP_PREFETCHER = undef;
1538 1995
1539sub find_async { 1996sub find_async {
1540 my ($path, $origin) = @_; 1997 my ($path, $origin, $load) = @_;
1541 1998
1542 $path = normalise $path, $origin && $origin->{path}; 1999 $path = normalise $path, $origin && $origin->{path};
1543 2000
1544 if (my $map = $cf::MAP{$path}) { 2001 if (my $map = $cf::MAP{$path}) {
1545 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2002 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1546 } 2003 }
1547 2004
1548 undef $MAP_PREFETCH{$path}; 2005 $MAP_PREFETCH{$path} |= $load;
2006
1549 $MAP_PREFETCHER ||= cf::async { 2007 $MAP_PREFETCHER ||= cf::async {
1550 while (%MAP_PREFETCH) { 2008 while (%MAP_PREFETCH) {
1551 for my $path (keys %MAP_PREFETCH) { 2009 while (my ($k, $v) = each %MAP_PREFETCH) {
1552 my $map = find $path 2010 if (my $map = find $k) {
1553 or next;
1554 $map->load; 2011 $map->load if $v;
2012 }
1555 2013
1556 delete $MAP_PREFETCH{$path}; 2014 delete $MAP_PREFETCH{$k};
1557 } 2015 }
1558 } 2016 }
1559 undef $MAP_PREFETCHER; 2017 undef $MAP_PREFETCHER;
1560 }; 2018 };
1561 $MAP_PREFETCHER->prio (6); 2019 $MAP_PREFETCHER->prio (6);
1564} 2022}
1565 2023
1566sub save { 2024sub save {
1567 my ($self) = @_; 2025 my ($self) = @_;
1568 2026
1569 my $lock = cf::lock_acquire "map_data:" . $self->path; 2027 my $lock = cf::lock_acquire "map_data:$self->{path}";
1570 2028
1571 $self->{last_save} = $cf::RUNTIME; 2029 $self->{last_save} = $cf::RUNTIME;
1572 2030
1573 return unless $self->dirty; 2031 return unless $self->dirty;
1574 2032
1597 my ($self) = @_; 2055 my ($self) = @_;
1598 2056
1599 # save first because save cedes 2057 # save first because save cedes
1600 $self->save; 2058 $self->save;
1601 2059
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2060 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2061
1604 return if $self->players; 2062 return if $self->players;
1605 return if $self->in_memory != cf::MAP_IN_MEMORY; 2063 return if $self->in_memory != cf::MAP_IN_MEMORY;
1606 return if $self->{deny_save}; 2064 return if $self->{deny_save};
1607 2065
1611 2069
1612sub reset_at { 2070sub reset_at {
1613 my ($self) = @_; 2071 my ($self) = @_;
1614 2072
1615 # TODO: safety, remove and allow resettable per-player maps 2073 # TODO: safety, remove and allow resettable per-player maps
1616 return 1e99 if $self->isa ("ext::map_per_player");#d#
1617 return 1e99 if $self->{deny_reset}; 2074 return 1e99 if $self->{deny_reset};
1618 2075
1619 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2076 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2077 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621 2078
1632 my ($self) = @_; 2089 my ($self) = @_;
1633 2090
1634 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2091 my $lock = cf::lock_acquire "map_data:$self->{path}";
1635 2092
1636 return if $self->players; 2093 return if $self->players;
1637 return if $self->isa ("ext::map_per_player");#d#
1638 2094
1639 warn "resetting map ", $self->path;#d# 2095 warn "resetting map ", $self->path;
1640 2096
1641 $self->in_memory (cf::MAP_SWAPPED); 2097 $self->in_memory (cf::MAP_SWAPPED);
1642 2098
1643 # need to save uniques path 2099 # need to save uniques path
1644 unless ($self->{deny_save}) { 2100 unless ($self->{deny_save}) {
1661my $nuke_counter = "aaaa"; 2117my $nuke_counter = "aaaa";
1662 2118
1663sub nuke { 2119sub nuke {
1664 my ($self) = @_; 2120 my ($self) = @_;
1665 2121
2122 {
2123 my $lock = cf::lock_acquire "map_data:$self->{path}";
2124
1666 delete $cf::MAP{$self->path}; 2125 delete $cf::MAP{$self->path};
1667 2126
1668 $self->unlink_save; 2127 $self->unlink_save;
1669 2128
1670 bless $self, "cf::map"; 2129 bless $self, "cf::map";
1671 delete $self->{deny_reset}; 2130 delete $self->{deny_reset};
1672 $self->{deny_save} = 1; 2131 $self->{deny_save} = 1;
1673 $self->reset_timeout (1); 2132 $self->reset_timeout (1);
1674 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2133 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675 2134
1676 $cf::MAP{$self->path} = $self; 2135 $cf::MAP{$self->path} = $self;
2136 }
1677 2137
1678 $self->reset; # polite request, might not happen 2138 $self->reset; # polite request, might not happen
2139}
2140
2141=item $maps = cf::map::tmp_maps
2142
2143Returns an arrayref with all map paths of currently instantiated and saved
2144maps. May block.
2145
2146=cut
2147
2148sub tmp_maps() {
2149 [
2150 map {
2151 utf8::decode $_;
2152 /\.map$/
2153 ? normalise $_
2154 : ()
2155 } @{ aio_readdir $TMPDIR or [] }
2156 ]
2157}
2158
2159=item $maps = cf::map::random_maps
2160
2161Returns an arrayref with all map paths of currently instantiated and saved
2162random maps. May block.
2163
2164=cut
2165
2166sub random_maps() {
2167 [
2168 map {
2169 utf8::decode $_;
2170 /\.map$/
2171 ? normalise "?random/$_"
2172 : ()
2173 } @{ aio_readdir $RANDOMDIR or [] }
2174 ]
1679} 2175}
1680 2176
1681=item cf::map::unique_maps 2177=item cf::map::unique_maps
1682 2178
1683Returns an arrayref of paths of all shared maps that have 2179Returns an arrayref of paths of all shared maps that have
1684instantiated unique items. May block. 2180instantiated unique items. May block.
1685 2181
1686=cut 2182=cut
1687 2183
1688sub unique_maps() { 2184sub unique_maps() {
1689 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2185 [
1690 or return; 2186 map {
1691
1692 my @paths;
1693
1694 for (@$files) {
1695 utf8::decode $_; 2187 utf8::decode $_;
1696 next if /\.pst$/; 2188 /\.map$/
1697 next unless /^$PATH_SEP/o; 2189 ? normalise $_
1698 2190 : ()
1699 push @paths, cf::map::normalise $_; 2191 } @{ aio_readdir $UNIQUEDIR or [] }
1700 } 2192 ]
1701
1702 \@paths
1703} 2193}
1704 2194
1705package cf; 2195package cf;
1706 2196
1707=back 2197=back
1725 map { $_, inv_recursive_ $_->inv } @_ 2215 map { $_, inv_recursive_ $_->inv } @_
1726} 2216}
1727 2217
1728sub inv_recursive { 2218sub inv_recursive {
1729 inv_recursive_ inv $_[0] 2219 inv_recursive_ inv $_[0]
2220}
2221
2222=item $ref = $ob->ref
2223
2224creates and returns a persistent reference to an objetc that can be stored as a string.
2225
2226=item $ob = cf::object::deref ($refstring)
2227
2228returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229even if the object actually exists. May block.
2230
2231=cut
2232
2233sub deref {
2234 my ($ref) = @_;
2235
2236 # temporary compatibility#TODO#remove
2237 $ref =~ s{^<}{player/<};
2238
2239 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2240 my ($uuid, $name) = ($1, $2);
2241 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242 or return;
2243 $pl->ob->uuid eq $uuid
2244 or return;
2245
2246 $pl->ob
2247 } else {
2248 warn "$ref: cannot resolve object reference\n";
2249 undef
2250 }
1730} 2251}
1731 2252
1732package cf; 2253package cf;
1733 2254
1734=back 2255=back
1753 2274
1754 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2275 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755 2276
1756 if ($self->{record_replies}) { 2277 if ($self->{record_replies}) {
1757 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2278 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2279
1758 } else { 2280 } else {
2281 my $pl = $self->contr;
2282
2283 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2284 my $dialog = $pl->{npc_dialog};
2285 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286
2287 } else {
1759 $msg = $npc->name . " says: $msg" if $npc; 2288 $msg = $npc->name . " says: $msg" if $npc;
1760 $self->message ($msg, $flags); 2289 $self->message ($msg, $flags);
2290 }
1761 } 2291 }
2292}
2293
2294=item $object->send_msg ($channel, $msg, $color, [extra...])
2295
2296=cut
2297
2298sub cf::object::send_msg {
2299 my $pl = shift->contr
2300 or return;
2301 $pl->send_msg (@_);
1762} 2302}
1763 2303
1764=item $player_object->may ("access") 2304=item $player_object->may ("access")
1765 2305
1766Returns wether the given player is authorized to access resource "access" 2306Returns wether the given player is authorized to access resource "access"
1813 $self->deactivate_recursive; 2353 $self->deactivate_recursive;
1814 2354
1815 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2355 return if UNIVERSAL::isa $self->map, "ext::map_link";
1816 2356
1817 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2357 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818 if $self->map; 2358 if $self->map && $self->map->{path} ne "{link}";
1819 2359
1820 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2360 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1821} 2361}
1822 2362
1823sub cf::object::player::leave_link { 2363sub cf::object::player::leave_link {
1824 my ($self, $map, $x, $y) = @_; 2364 my ($self, $map, $x, $y) = @_;
2365
2366 return unless $self->contr->active;
1825 2367
1826 my $link_pos = delete $self->{_link_pos}; 2368 my $link_pos = delete $self->{_link_pos};
1827 2369
1828 unless ($map) { 2370 unless ($map) {
1829 # restore original map position 2371 # restore original map position
1843 # use -1 or undef as default coordinates, not 0, 0 2385 # use -1 or undef as default coordinates, not 0, 0
1844 ($x, $y) = ($map->enter_x, $map->enter_y) 2386 ($x, $y) = ($map->enter_x, $map->enter_y)
1845 if $x <=0 && $y <= 0; 2387 if $x <=0 && $y <= 0;
1846 2388
1847 $map->load; 2389 $map->load;
1848 $map->load_diag; 2390 $map->load_neighbours;
1849 2391
1850 return unless $self->contr->active; 2392 return unless $self->contr->active;
1851 $self->activate_recursive; 2393 $self->activate_recursive;
1852 2394
1853 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2395 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854 $self->enter_map ($map, $x, $y); 2396 $self->enter_map ($map, $x, $y);
1855} 2397}
1856 2398
1857cf::player->attach ( 2399=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858 on_logout => sub {
1859 my ($pl) = @_;
1860 2400
1861 # abort map switching before logout 2401Moves the player to the given map-path and coordinates by first freezing
1862 if ($pl->ob->{_link_pos}) { 2402her, loading and preparing them map, calling the provided $check callback
1863 cf::sync_job { 2403that has to return the map if sucecssful, and then unfreezes the player on
1864 $pl->ob->leave_link 2404the new (success) or old (failed) map position. In either case, $done will
1865 }; 2405be called at the end of this process.
1866 }
1867 },
1868 on_login => sub {
1869 my ($pl) = @_;
1870 2406
1871 # try to abort aborted map switching on player login :)
1872 # should happen only on crashes
1873 if ($pl->ob->{_link_pos}) {
1874 $pl->ob->enter_link;
1875 (async {
1876 $pl->ob->reply (undef,
1877 "There was an internal problem at your last logout, "
1878 . "the server will try to bring you to your intended destination in a second.",
1879 cf::NDI_RED);
1880 # we need this sleep as the login has a concurrent enter_exit running
1881 # and this sleep increases chances of the player not ending up in scorn
1882 Coro::Timer::sleep 1;
1883 $pl->ob->leave_link;
1884 })->prio (2);
1885 }
1886 },
1887);
1888
1889=item $player_object->goto ($path, $x, $y)
1890
1891=cut 2407=cut
2408
2409our $GOTOGEN;
1892 2410
1893sub cf::object::player::goto { 2411sub cf::object::player::goto {
1894 my ($self, $path, $x, $y) = @_; 2412 my ($self, $path, $x, $y, $check, $done) = @_;
2413
2414 # do generation counting so two concurrent goto's will be executed in-order
2415 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895 2416
1896 $self->enter_link; 2417 $self->enter_link;
1897 2418
1898 (async { 2419 (async {
1899 my $map = eval { 2420 my $map = eval {
1900 my $map = cf::map::find $path; 2421 my $map = cf::map::find $path;
2422
2423 if ($map) {
1901 $map = $map->customise_for ($self) if $map; 2424 $map = $map->customise_for ($self);
2425 $map = $check->($map) if $check && $map;
2426 } else {
2427 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2428 }
2429
1902 $map 2430 $map
2431 };
2432
2433 if ($@) {
2434 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2435 LOG llevError | logBacktrace, Carp::longmess $@;
1903 } or 2436 }
1904 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905 2437
2438 if ($gen == $self->{_goto_generation}) {
2439 delete $self->{_goto_generation};
1906 $self->leave_link ($map, $x, $y); 2440 $self->leave_link ($map, $x, $y);
2441 }
2442
2443 $done->() if $done;
1907 })->prio (1); 2444 })->prio (1);
1908} 2445}
1909 2446
1910=item $player_object->enter_exit ($exit_object) 2447=item $player_object->enter_exit ($exit_object)
1911 2448
1950 2487
1951 $rmp->{random_seed} ||= $exit->random_seed; 2488 $rmp->{random_seed} ||= $exit->random_seed;
1952 2489
1953 my $data = cf::to_json $rmp; 2490 my $data = cf::to_json $rmp;
1954 my $md5 = Digest::MD5::md5_hex $data; 2491 my $md5 = Digest::MD5::md5_hex $data;
1955 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2492 my $meta = "$RANDOMDIR/$md5.meta";
1956 2493
1957 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2494 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958 aio_write $fh, 0, (length $data), $data, 0; 2495 aio_write $fh, 0, (length $data), $data, 0;
1959 undef $fh; 2496 undef $fh;
1960 aio_rename "$meta~", $meta; 2497 aio_rename "$meta~", $meta;
1969 2506
1970 return unless $self->type == cf::PLAYER; 2507 return unless $self->type == cf::PLAYER;
1971 2508
1972 if ($exit->slaying eq "/!") { 2509 if ($exit->slaying eq "/!") {
1973 #TODO: this should de-fi-ni-te-ly not be a sync-job 2510 #TODO: this should de-fi-ni-te-ly not be a sync-job
2511 # the problem is that $exit might not survive long enough
2512 # so it needs to be done right now, right here
1974 cf::sync_job { prepare_random_map $exit }; 2513 cf::sync_job { prepare_random_map $exit };
1975 } 2514 }
1976 2515
1977 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2516 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978 my $hp = $exit->stats->hp; 2517 my $hp = $exit->stats->hp;
1979 my $sp = $exit->stats->sp; 2518 my $sp = $exit->stats->sp;
1980 2519
1981 $self->enter_link; 2520 $self->enter_link;
2521
2522 # if exit is damned, update players death & WoR home-position
2523 $self->contr->savebed ($slaying, $hp, $sp)
2524 if $exit->flag (FLAG_DAMNED);
1982 2525
1983 (async { 2526 (async {
1984 $self->deactivate_recursive; # just to be sure 2527 $self->deactivate_recursive; # just to be sure
1985 unless (eval { 2528 unless (eval {
1986 $self->goto ($slaying, $hp, $sp); 2529 $self->goto ($slaying, $hp, $sp);
1987 2530
1988 1; 2531 1;
1989 }) { 2532 }) {
1990 $self->message ("Something went wrong deep within the crossfire server. " 2533 $self->message ("Something went wrong deep within the crossfire server. "
1991 . "I'll try to bring you back to the map you were before. " 2534 . "I'll try to bring you back to the map you were before. "
1992 . "Please report this to the dungeon master!", 2535 . "Please report this to the dungeon master!",
1993 cf::NDI_UNIQUE | cf::NDI_RED); 2536 cf::NDI_UNIQUE | cf::NDI_RED);
1994 2537
1995 warn "ERROR in enter_exit: $@"; 2538 warn "ERROR in enter_exit: $@";
1996 $self->leave_link; 2539 $self->leave_link;
1997 } 2540 }
1998 })->prio (1); 2541 })->prio (1);
2014 2557
2015 utf8::encode $text; 2558 utf8::encode $text;
2016 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2559 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017} 2560}
2018 2561
2562=item $client->send_msg ($channel, $msg, $color, [extra...])
2563
2564Send a drawinfo or msg packet to the client, formatting the msg for the
2565client if neccessary. C<$type> should be a string identifying the type of
2566the message, with C<log> being the default. If C<$color> is negative, suppress
2567the message unless the client supports the msg packet.
2568
2569=cut
2570
2571our %CHANNEL = (
2572 "c/identify" => {
2573 id => "identify",
2574 title => "Identify",
2575 reply => undef,
2576 tooltip => "Items recently identified",
2577 },
2578 "c/examine" => {
2579 id => "examine",
2580 title => "Examine",
2581 reply => undef,
2582 tooltip => "Signs and other items you examined",
2583 },
2584);
2585
2586sub cf::client::send_msg {
2587 my ($self, $channel, $msg, $color, @extra) = @_;
2588
2589 $msg = $self->pl->expand_cfpod ($msg);
2590
2591 $color &= cf::NDI_CLIENT_MASK; # just in case...
2592
2593 # check predefined channels, for the benefit of C
2594 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2595
2596 if (ref $channel) {
2597 # send meta info to client, if not yet sent
2598 unless (exists $self->{channel}{$channel->{id}}) {
2599 $self->{channel}{$channel->{id}} = $channel;
2600 $self->ext_msg (channel_info => $channel)
2601 if $self->can_msg;
2602 }
2603
2604 $channel = $channel->{id};
2605 }
2606
2607 return unless @extra || length $msg;
2608
2609 if ($self->can_msg) {
2610 # default colour, mask it out
2611 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612 if $color & cf::NDI_DEF;
2613
2614 $self->send_packet ("msg " . $self->{json_coder}->encode (
2615 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2616 } else {
2617 if ($color >= 0) {
2618 # replace some tags by gcfclient-compatible ones
2619 for ($msg) {
2620 1 while
2621 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626 }
2627
2628 $color &= cf::NDI_COLOR_MASK;
2629
2630 utf8::encode $msg;
2631
2632 if (0 && $msg =~ /\[/) {
2633 # COMMAND/INFO
2634 $self->send_packet ("drawextinfo $color 10 8 $msg")
2635 } else {
2636 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2637 $self->send_packet ("drawinfo $color $msg")
2638 }
2639 }
2640 }
2641}
2642
2643=item $client->ext_msg ($type, @msg)
2644
2645Sends an ext event to the client.
2646
2647=cut
2648
2649sub cf::client::ext_msg($$@) {
2650 my ($self, $type, @msg) = @_;
2651
2652 if ($self->extcmd == 2) {
2653 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654 } elsif ($self->extcmd == 1) { # TODO: remove
2655 push @msg, msgtype => "event_$type";
2656 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657 }
2658}
2659
2660=item $client->ext_reply ($msgid, @msg)
2661
2662Sends an ext reply to the client.
2663
2664=cut
2665
2666sub cf::client::ext_reply($$@) {
2667 my ($self, $id, @msg) = @_;
2668
2669 if ($self->extcmd == 2) {
2670 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671 } elsif ($self->extcmd == 1) {
2672 #TODO: version 1, remove
2673 unshift @msg, msgtype => "reply", msgid => $id;
2674 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675 }
2676}
2019 2677
2020=item $success = $client->query ($flags, "text", \&cb) 2678=item $success = $client->query ($flags, "text", \&cb)
2021 2679
2022Queues a query to the client, calling the given callback with 2680Queues a query to the client, calling the given callback with
2023the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2681the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2682C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025 2683
2026Queries can fail, so check the return code. Or don't, as queries will become 2684Queries can fail, so check the return code. Or don't, as queries will
2027reliable at some point in the future. 2685become reliable at some point in the future.
2028 2686
2029=cut 2687=cut
2030 2688
2031sub cf::client::query { 2689sub cf::client::query {
2032 my ($self, $flags, $text, $cb) = @_; 2690 my ($self, $flags, $text, $cb) = @_;
2040 utf8::encode $text; 2698 utf8::encode $text;
2041 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2699 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042 2700
2043 $self->send_packet ($self->{query_queue}[0][0]) 2701 $self->send_packet ($self->{query_queue}[0][0])
2044 if @{ $self->{query_queue} } == 1; 2702 if @{ $self->{query_queue} } == 1;
2703
2704 1
2045} 2705}
2046 2706
2047cf::client->attach ( 2707cf::client->attach (
2708 on_connect => sub {
2709 my ($ns) = @_;
2710
2711 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2712 },
2048 on_reply => sub { 2713 on_reply => sub {
2049 my ($ns, $msg) = @_; 2714 my ($ns, $msg) = @_;
2050 2715
2051 # this weird shuffling is so that direct followup queries 2716 # this weird shuffling is so that direct followup queries
2052 # get handled first 2717 # get handled first
2064 } else { 2729 } else {
2065 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2730 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066 } 2731 }
2067 } 2732 }
2068 }, 2733 },
2734 on_exticmd => sub {
2735 my ($ns, $buf) = @_;
2736
2737 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2738
2739 if (ref $msg) {
2740 my ($type, $reply, @payload) =
2741 "ARRAY" eq ref $msg
2742 ? @$msg
2743 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2744
2745 my @reply;
2746
2747 if (my $cb = $EXTICMD{$type}) {
2748 @reply = $cb->($ns, @payload);
2749 }
2750
2751 $ns->ext_reply ($reply, @reply)
2752 if $reply;
2753
2754 } else {
2755 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2756 }
2757
2758 cf::override;
2759 },
2069); 2760);
2070 2761
2071=item $client->async (\&cb) 2762=item $client->async (\&cb)
2072 2763
2073Create a new coroutine, running the specified callback. The coroutine will 2764Create a new coroutine, running the specified callback. The coroutine will
2114our $safe = new Safe "safe"; 2805our $safe = new Safe "safe";
2115our $safe_hole = new Safe::Hole; 2806our $safe_hole = new Safe::Hole;
2116 2807
2117$SIG{FPE} = 'IGNORE'; 2808$SIG{FPE} = 'IGNORE';
2118 2809
2119$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2810$safe->permit_only (Opcode::opset qw(
2811 :base_core :base_mem :base_orig :base_math
2812 grepstart grepwhile mapstart mapwhile
2813 sort time
2814));
2120 2815
2121# here we export the classes and methods available to script code 2816# here we export the classes and methods available to script code
2122 2817
2123=pod 2818=pod
2124 2819
2125The following functions and methods are available within a safe environment: 2820The following functions and methods are available within a safe environment:
2126 2821
2127 cf::object contr pay_amount pay_player map 2822 cf::object
2823 contr pay_amount pay_player map x y force_find force_add
2824 insert remove name archname title slaying race decrease_ob_nr
2825
2128 cf::object::player player 2826 cf::object::player
2129 cf::player peaceful 2827 player
2130 cf::map trigger 2828
2829 cf::player
2830 peaceful
2831
2832 cf::map
2833 trigger
2131 2834
2132=cut 2835=cut
2133 2836
2134for ( 2837for (
2135 ["cf::object" => qw(contr pay_amount pay_player map)], 2838 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839 insert remove inv name archname title slaying race
2840 decrease_ob_nr)],
2136 ["cf::object::player" => qw(player)], 2841 ["cf::object::player" => qw(player)],
2137 ["cf::player" => qw(peaceful)], 2842 ["cf::player" => qw(peaceful)],
2138 ["cf::map" => qw(trigger)], 2843 ["cf::map" => qw(trigger)],
2139) { 2844) {
2140 no strict 'refs'; 2845 no strict 'refs';
2211=back 2916=back
2212 2917
2213=cut 2918=cut
2214 2919
2215############################################################################# 2920#############################################################################
2216
2217=head2 EXTENSION DATABASE SUPPORT
2218
2219Crossfire maintains a very simple database for extension use. It can
2220currently store anything that can be serialised using Storable, which
2221excludes objects.
2222
2223The parameter C<$family> should best start with the name of the extension
2224using it, it should be unique.
2225
2226=over 4
2227
2228=item $value = cf::db_get $family => $key
2229
2230Returns a single value from the database.
2231
2232=item cf::db_put $family => $key => $value
2233
2234Stores the given C<$value> in the family.
2235
2236=cut
2237
2238our $DB;
2239
2240sub db_init {
2241 unless ($DB) {
2242 $DB = BDB::db_create $DB_ENV;
2243
2244 cf::sync_job {
2245 eval {
2246 $DB->set_flags (BDB::CHKSUM);
2247
2248 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250 cf::cleanup "db_open(db): $!" if $!;
2251 };
2252 cf::cleanup "db_open(db): $@" if $@;
2253 };
2254
2255 my $path = cf::localdir . "/database.pst";
2256 if (stat $path) {
2257 cf::sync_job {
2258 my $pst = Storable::retrieve $path;
2259
2260 cf::db_put (board => data => $pst->{board});
2261 cf::db_put (guildrules => data => $pst->{guildrules});
2262 cf::db_put (rent => balance => $pst->{rent}{balance});
2263 BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265 unlink $path;
2266 };
2267 }
2268 }
2269}
2270
2271sub db_get($$) {
2272 my $key = "$_[0]/$_[1]";
2273
2274 cf::sync_job {
2275 BDB::db_get $DB, undef, $key, my $data;
2276
2277 $! ? ()
2278 : Compress::LZF::sthaw $data
2279 }
2280}
2281
2282sub db_put($$$) {
2283 BDB::dbreq_pri 4;
2284 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285}
2286
2287#############################################################################
2288# the server's init and main functions 2921# the server's init and main functions
2289 2922
2290sub load_facedata { 2923sub load_facedata($) {
2291 my $path = sprintf "%s/facedata", cf::datadir; 2924 my ($path) = @_;
2925
2926 # HACK to clear player env face cache, we need some signal framework
2927 # for this (global event?)
2928 %ext::player_env::MUSIC_FACE_CACHE = ();
2929
2930 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292 2931
2293 warn "loading facedata from $path\n"; 2932 warn "loading facedata from $path\n";
2294 2933
2295 my $faces; 2934 my $facedata;
2296 0 < aio_load $path, $faces 2935 0 < aio_load $path, $facedata
2297 or die "$path: $!"; 2936 or die "$path: $!";
2298 2937
2299 Coro::cede;
2300 $faces = Storable::thaw $faces; 2938 $facedata = Coro::Storable::thaw $facedata;
2301 Coro::cede;
2302 2939
2303 my $meta = delete $faces->{""};
2304 $meta->{version} == 1 2940 $facedata->{version} == 2
2305 or cf::cleanup "$path: version mismatch, cannot proceed."; 2941 or cf::cleanup "$path: version mismatch, cannot proceed.";
2306 2942
2943 # patch in the exptable
2944 $facedata->{resource}{"res/exp_table"} = {
2945 type => FT_RSRC,
2946 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2947 };
2948 cf::cede_to_tick;
2949
2950 {
2951 my $faces = $facedata->{faceinfo};
2952
2307 while (my ($face, $info) = each %$faces) { 2953 while (my ($face, $info) = each %$faces) {
2308 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2954 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2955 cf::face::set_visibility $idx, $info->{visibility};
2956 cf::face::set_magicmap $idx, $info->{magicmap};
2310 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2957 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2958 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312 Coro::cede;
2313 }
2314 2959
2960 cf::cede_to_tick;
2961 }
2962
2315 while (my ($face, $info) = each %$faces) { 2963 while (my ($face, $info) = each %$faces) {
2316 next unless $info->{smooth}; 2964 next unless $info->{smooth};
2317 my $idx = cf::face::find $face 2965 my $idx = cf::face::find $face
2318 or next; 2966 or next;
2319 if (my $smooth = cf::face::find $info->{smooth}) { 2967 if (my $smooth = cf::face::find $info->{smooth}) {
2320 cf::face::set_smooth $idx, $smooth; 2968 cf::face::set_smooth $idx, $smooth;
2969 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321 } else { 2970 } else {
2322 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2971 warn "smooth face '$info->{smooth}' not found for face '$face'";
2323 } 2972 }
2324 Coro::cede; 2973
2974 cf::cede_to_tick;
2975 }
2976 }
2977
2978 {
2979 my $anims = $facedata->{animinfo};
2980
2981 while (my ($anim, $info) = each %$anims) {
2982 cf::anim::set $anim, $info->{frames}, $info->{facings};
2983 cf::cede_to_tick;
2984 }
2985
2986 cf::anim::invalidate_all; # d'oh
2987 }
2988
2989 {
2990 # TODO: for gcfclient pleasure, we should give resources
2991 # that gcfclient doesn't grok a >10000 face index.
2992 my $res = $facedata->{resource};
2993
2994 my $soundconf = delete $res->{"res/sound.conf"};
2995
2996 while (my ($name, $info) = each %$res) {
2997 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998 my $data;
2999
3000 if ($info->{type} & 1) {
3001 # prepend meta info
3002
3003 my $meta = $enc->encode ({
3004 name => $name,
3005 %{ $info->{meta} || {} },
3006 });
3007
3008 $data = pack "(w/a*)*", $meta, $info->{data};
3009 } else {
3010 $data = $info->{data};
3011 }
3012
3013 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014 cf::face::set_type $idx, $info->{type};
3015
3016 cf::cede_to_tick;
3017 }
3018
3019 if ($soundconf) {
3020 $soundconf = $enc->decode (delete $soundconf->{data});
3021
3022 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023 my $sound = $soundconf->{compat}[$_]
3024 or next;
3025
3026 my $face = cf::face::find "sound/$sound->[1]";
3027 cf::sound::set $sound->[0] => $face;
3028 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029 }
3030
3031 while (my ($k, $v) = each %{$soundconf->{event}}) {
3032 my $face = cf::face::find "sound/$v";
3033 cf::sound::set $k => $face;
3034 }
3035 }
2325 } 3036 }
2326 3037
2327 1 3038 1
2328} 3039}
2329 3040
3041register_exticmd fx_want => sub {
3042 my ($ns, $want) = @_;
3043
3044 while (my ($k, $v) = each %$want) {
3045 $ns->fx_want ($k, $v);
3046 }
3047};
3048
3049sub reload_regions {
3050 # HACK to clear player env face cache, we need some signal framework
3051 # for this (global event?)
3052 %ext::player_env::MUSIC_FACE_CACHE = ();
3053
3054 load_resource_file "$MAPDIR/regions"
3055 or die "unable to load regions file\n";
3056
3057 for (cf::region::list) {
3058 $_->{match} = qr/$_->{match}/
3059 if exists $_->{match};
3060 }
3061}
3062
3063sub reload_facedata {
3064 load_facedata "$DATADIR/facedata"
3065 or die "unable to load facedata\n";
3066}
3067
3068sub reload_archetypes {
3069 load_resource_file "$DATADIR/archetypes"
3070 or die "unable to load archetypes\n";
3071 #d# NEED to laod twice to resolve forward references
3072 # this really needs to be done in an extra post-pass
3073 # (which needs to be synchronous, so solve it differently)
3074 load_resource_file "$DATADIR/archetypes"
3075 or die "unable to load archetypes\n";
3076}
3077
3078sub reload_treasures {
3079 load_resource_file "$DATADIR/treasures"
3080 or die "unable to load treasurelists\n";
3081}
3082
2330sub reload_resources { 3083sub reload_resources {
2331 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3084 warn "reloading resource files...\n";
2332 or die "unable to load regions file\n";#d# 3085
3086 reload_regions;
2333 load_facedata 3087 reload_facedata;
2334 or die "unable to load facedata\n";#d# 3088 #reload_archetypes;#d#
3089 reload_archetypes;
3090 reload_treasures;
3091
3092 warn "finished reloading resource files\n";
2335} 3093}
2336 3094
2337sub init { 3095sub init {
2338 reload_resources; 3096 reload_resources;
2339} 3097}
2340 3098
2341sub cfg_load { 3099sub reload_config {
2342 open my $fh, "<:utf8", cf::confdir . "/config" 3100 open my $fh, "<:utf8", "$CONFDIR/config"
2343 or return; 3101 or return;
2344 3102
2345 local $/; 3103 local $/;
2346 *CFG = YAML::Syck::Load <$fh>; 3104 *CFG = YAML::Syck::Load <$fh>;
2347 3105
2366 (async { 3124 (async {
2367 Event::one_event; 3125 Event::one_event;
2368 })->prio (Coro::PRIO_MAX); 3126 })->prio (Coro::PRIO_MAX);
2369 }; 3127 };
2370 3128
2371 cfg_load; 3129 reload_config;
2372 db_init; 3130 db_init;
2373 load_extensions; 3131 load_extensions;
2374 3132
2375 $TICK_WATCHER->start; 3133 $TICK_WATCHER->start;
2376 Event::loop; 3134 Event::loop;
2392 }, 3150 },
2393 ); 3151 );
2394 } 3152 }
2395} 3153}
2396 3154
3155sub write_runtime {
3156 my $runtime = "$LOCALDIR/runtime";
3157
3158 # first touch the runtime file to show we are still running:
3159 # the fsync below can take a very very long time.
3160
3161 IO::AIO::aio_utime $runtime, undef, undef;
3162
3163 my $guard = cf::lock_acquire "write_runtime";
3164
3165 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3166 or return;
3167
3168 my $value = $cf::RUNTIME + 90 + 10;
3169 # 10 is the runtime save interval, for a monotonic clock
3170 # 60 allows for the watchdog to kill the server.
3171
3172 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3173 and return;
3174
3175 # always fsync - this file is important
3176 aio_fsync $fh
3177 and return;
3178
3179 # touch it again to show we are up-to-date
3180 aio_utime $fh, undef, undef;
3181
3182 close $fh
3183 or return;
3184
3185 aio_rename "$runtime~", $runtime
3186 and return;
3187
3188 warn "runtime file written.\n";
3189
3190 1
3191}
3192
2397sub emergency_save() { 3193sub emergency_save() {
2398 my $freeze_guard = cf::freeze_mainloop; 3194 my $freeze_guard = cf::freeze_mainloop;
2399 3195
2400 warn "enter emergency perl save\n"; 3196 warn "enter emergency perl save\n";
2401 3197
2432 3228
2433 warn Carp::longmess "post_cleanup backtrace" 3229 warn Carp::longmess "post_cleanup backtrace"
2434 if $make_core; 3230 if $make_core;
2435} 3231}
2436 3232
2437sub reload() { 3233sub do_reload_perl() {
2438 # can/must only be called in main 3234 # can/must only be called in main
2439 if ($Coro::current != $Coro::main) { 3235 if ($Coro::current != $Coro::main) {
2440 warn "can only reload from main coroutine"; 3236 warn "can only reload from main coroutine";
2441 return; 3237 return;
2442 } 3238 }
2476 %EXT_CORO = (); 3272 %EXT_CORO = ();
2477 3273
2478 warn "removing commands"; 3274 warn "removing commands";
2479 %COMMAND = (); 3275 %COMMAND = ();
2480 3276
2481 warn "removing ext commands"; 3277 warn "removing ext/exti commands";
2482 %EXTCMD = (); 3278 %EXTCMD = ();
3279 %EXTICMD = ();
2483 3280
2484 warn "unloading/nuking all extensions"; 3281 warn "unloading/nuking all extensions";
2485 for my $pkg (@EXTS) { 3282 for my $pkg (@EXTS) {
2486 warn "... unloading $pkg"; 3283 warn "... unloading $pkg";
2487 3284
2517 Symbol::delete_package "safe::$_" 3314 Symbol::delete_package "safe::$_"
2518 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3315 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519 3316
2520 warn "unloading cf.pm \"a bit\""; 3317 warn "unloading cf.pm \"a bit\"";
2521 delete $INC{"cf.pm"}; 3318 delete $INC{"cf.pm"};
3319 delete $INC{"cf/pod.pm"};
2522 3320
2523 # don't, removes xs symbols, too, 3321 # don't, removes xs symbols, too,
2524 # and global variables created in xs 3322 # and global variables created in xs
2525 #Symbol::delete_package __PACKAGE__; 3323 #Symbol::delete_package __PACKAGE__;
2526 3324
2529 warn "reloading cf.pm"; 3327 warn "reloading cf.pm";
2530 require cf; 3328 require cf;
2531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3329 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532 3330
2533 warn "loading config and database again"; 3331 warn "loading config and database again";
2534 cf::cfg_load; 3332 cf::reload_config;
2535 3333
2536 warn "loading extensions"; 3334 warn "loading extensions";
2537 cf::load_extensions; 3335 cf::load_extensions;
2538 3336
2539 warn "reattaching attachments to objects/players"; 3337 warn "reattaching attachments to objects/players";
2541 warn "reattaching attachments to maps"; 3339 warn "reattaching attachments to maps";
2542 reattach $_ for values %MAP; 3340 reattach $_ for values %MAP;
2543 warn "reattaching attachments to players"; 3341 warn "reattaching attachments to players";
2544 reattach $_ for values %PLAYER; 3342 reattach $_ for values %PLAYER;
2545 3343
2546 warn "loading reloadable resources";
2547 reload_resources;
2548
2549 warn "leaving sync_job"; 3344 warn "leaving sync_job";
2550 3345
2551 1 3346 1
2552 } or do { 3347 } or do {
2553 warn $@; 3348 warn $@;
2558 warn "reloaded"; 3353 warn "reloaded";
2559}; 3354};
2560 3355
2561our $RELOAD_WATCHER; # used only during reload 3356our $RELOAD_WATCHER; # used only during reload
2562 3357
3358sub reload_perl() {
3359 # doing reload synchronously and two reloads happen back-to-back,
3360 # coro crashes during coro_state_free->destroy here.
3361
3362 $RELOAD_WATCHER ||= Event->timer (
3363 reentrant => 0,
3364 after => 0,
3365 data => WF_AUTOCANCEL,
3366 cb => sub {
3367 do_reload_perl;
3368 undef $RELOAD_WATCHER;
3369 },
3370 );
3371}
3372
2563register_command "reload" => sub { 3373register_command "reload" => sub {
2564 my ($who, $arg) = @_; 3374 my ($who, $arg) = @_;
2565 3375
2566 if ($who->flag (FLAG_WIZ)) { 3376 if ($who->flag (FLAG_WIZ)) {
2567 $who->message ("reloading server."); 3377 $who->message ("reloading server.");
2568 3378 async { reload_perl };
2569 # doing reload synchronously and two reloads happen back-to-back,
2570 # coro crashes during coro_state_free->destroy here.
2571
2572 $RELOAD_WATCHER ||= Event->timer (
2573 reentrant => 0,
2574 after => 0,
2575 data => WF_AUTOCANCEL,
2576 cb => sub {
2577 reload;
2578 undef $RELOAD_WATCHER;
2579 },
2580 );
2581 } 3379 }
2582}; 3380};
2583 3381
2584unshift @INC, $LIBDIR; 3382unshift @INC, $LIBDIR;
2585 3383
2586my $bug_warning = 0; 3384my $bug_warning = 0;
2587 3385
3386our @WAIT_FOR_TICK;
3387our @WAIT_FOR_TICK_BEGIN;
3388
3389sub wait_for_tick {
3390 return unless $TICK_WATCHER->is_active;
3391 return if $Coro::current == $Coro::main;
3392
3393 my $signal = new Coro::Signal;
3394 push @WAIT_FOR_TICK, $signal;
3395 $signal->wait;
3396}
3397
3398sub wait_for_tick_begin {
3399 return unless $TICK_WATCHER->is_active;
3400 return if $Coro::current == $Coro::main;
3401
3402 my $signal = new Coro::Signal;
3403 push @WAIT_FOR_TICK_BEGIN, $signal;
3404 $signal->wait;
3405}
3406
3407 my $min = 1e6;#d#
3408 my $avg = 10;
2588$TICK_WATCHER = Event->timer ( 3409$TICK_WATCHER = Event->timer (
2589 reentrant => 0, 3410 reentrant => 0,
2590 parked => 1, 3411 parked => 1,
2591 prio => 0, 3412 prio => 0,
2592 at => $NEXT_TICK || $TICK, 3413 at => $NEXT_TICK || $TICK,
2596 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3417 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597 unless ++$bug_warning > 10; 3418 unless ++$bug_warning > 10;
2598 return; 3419 return;
2599 } 3420 }
2600 3421
2601 $NOW = Event::time; 3422 $NOW = $tick_start = Event::time;
2602 3423
2603 cf::server_tick; # one server iteration 3424 cf::server_tick; # one server iteration
3425
3426 0 && sync_job {#d#
3427 for(1..10) {
3428 my $t = Event::time;
3429 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3430 or die;
3431
3432 $map->width (50);
3433 $map->height (50);
3434 $map->alloc;
3435 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436 my $t = Event::time - $t;
3437
3438 #next unless $t < 0.0013;#d#
3439 if ($t < $min) {
3440 $min = $t;
3441 }
3442 $avg = $avg * 0.99 + $t * 0.01;
3443 }
3444 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445 exit 0;
3446 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447 };
3448
2604 $RUNTIME += $TICK; 3449 $RUNTIME += $TICK;
2605 $NEXT_TICK += $TICK; 3450 $NEXT_TICK += $TICK;
2606 3451
2607 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3452 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608 $NEXT_RUNTIME_WRITE = $NOW + 10; 3453 $NEXT_RUNTIME_WRITE = $NOW + 10;
2610 write_runtime 3455 write_runtime
2611 or warn "ERROR: unable to write runtime file: $!"; 3456 or warn "ERROR: unable to write runtime file: $!";
2612 }; 3457 };
2613 } 3458 }
2614 3459
2615 $WAIT_FOR_TICK->broadcast;
2616 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618# my $AFTER = Event::time; 3460# my $AFTER = Event::time;
2619# warn $AFTER - $NOW;#d# 3461# warn $AFTER - $NOW;#d#
2620 3462
3463 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464 $sig->send;
3465 }
3466 while (my $sig = shift @WAIT_FOR_TICK) {
3467 $sig->send;
3468 }
3469
3470 $NOW = Event::time;
3471
2621 # if we are delayed by four ticks or more, skip them all 3472 # if we are delayed by four ticks or more, skip them all
2622 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3473 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623 3474
2624 $TICK_WATCHER->at ($NEXT_TICK); 3475 $TICK_WATCHER->at ($NEXT_TICK);
2625 $TICK_WATCHER->start; 3476 $TICK_WATCHER->start;
3477
3478 $LOAD = ($NOW - $tick_start) / $TICK;
3479 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480
3481 _post_tick;
3482
3483
2626 }, 3484 },
2627); 3485);
2628 3486
2629{ 3487{
2630 BDB::max_poll_time $TICK * 0.1; 3488 BDB::max_poll_time $TICK * 0.1;
2658 3516
2659 cf::sync_job { 3517 cf::sync_job {
2660 eval { 3518 eval {
2661 BDB::db_env_open 3519 BDB::db_env_open
2662 $DB_ENV, 3520 $DB_ENV,
2663 $BDB_ENV_DIR, 3521 $BDBDIR,
2664 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3522 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3523 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666 0666; 3524 0666;
2667 3525
2668 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3526 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669 3527
2670 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3528 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671 $DB_ENV->set_lk_detect; 3529 $DB_ENV->set_lk_detect;
2672 }; 3530 };
2673 3531
2689 prio => 6, 3547 prio => 6,
2690 cb => \&IO::AIO::poll_cb, 3548 cb => \&IO::AIO::poll_cb,
2691 ); 3549 );
2692} 3550}
2693 3551
3552my $_log_backtrace;
3553
3554sub _log_backtrace {
3555 my ($msg, @addr) = @_;
3556
3557 $msg =~ s/\n//;
3558
3559 # limit the # of concurrent backtraces
3560 if ($_log_backtrace < 2) {
3561 ++$_log_backtrace;
3562 async {
3563 my @bt = fork_call {
3564 @addr = map { sprintf "%x", $_ } @addr;
3565 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567 or die "addr2line: $!";
3568
3569 my @funcs;
3570 my @res = <$fh>;
3571 chomp for @res;
3572 while (@res) {
3573 my ($func, $line) = splice @res, 0, 2, ();
3574 push @funcs, "[$func] $line";
3575 }
3576
3577 @funcs
3578 };
3579
3580 LOG llevInfo, "[ABT] $msg\n";
3581 LOG llevInfo, "[ABT] $_\n" for @bt;
3582 --$_log_backtrace;
3583 };
3584 } else {
3585 LOG llevInfo, "[ABT] $msg\n";
3586 LOG llevInfo, "[ABT] [suppressed]\n";
3587 }
3588}
3589
3590# load additional modules
3591use cf::pod;
3592
2694END { cf::emergency_save } 3593END { cf::emergency_save }
2695 3594
26961 35951
2697 3596

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