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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.359 by root, Sat Sep 8 18:15:55 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 3.61 (); 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;
21use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
22 25
26use JSON::XS ();
23use BDB (); 27use BDB ();
24use Data::Dumper; 28use Data::Dumper;
25use Digest::MD5; 29use Digest::MD5;
26use Fcntl; 30use Fcntl;
27use YAML::Syck (); 31use YAML::Syck ();
28use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
29use Time::HiRes; 33use Time::HiRes;
30use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
31 36
32# configure various modules to our taste 37# configure various modules to our taste
33# 38#
34$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
35Coro::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
47our %COMMAND = (); 52our %COMMAND = ();
48our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
49 54
50our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
54 60
55our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
56our @EVENT; 62our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 63
59our $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(!)
60our $TICK_WATCHER; 77our $TICK_WATCHER;
61our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 80our $NEXT_TICK;
64our $NOW; 81our $NOW;
70our %CFG; 87our %CFG;
71 88
72our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 90our $RUNTIME;
74 91
75our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 95
81# 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 ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
84binmode STDOUT; 103binmode STDOUT;
85binmode STDERR; 104binmode STDERR;
86 105
87# read virtual server time, if available 106# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
92} 111}
93 112
94mkdir cf::localdir; 113mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 115
101our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
102 117
103sub cf::map::normalise; 118sub cf::map::normalise;
104 119
115=item $cf::RUNTIME 130=item $cf::RUNTIME
116 131
117The 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
118every server tick. 133every server tick.
119 134
120=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
121 138
122The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
123be 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.
124 143
125=item $cf::NOW 144=item $cf::NOW
126 145
127The time of the last (current) server tick. 146The time of the last (current) server tick.
128 147
129=item $cf::TICK 148=item $cf::TICK
130 149
131The 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.
132 161
133=item %cf::CFG 162=item %cf::CFG
134 163
135Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
136from wherever your confdir points to. 165from wherever your confdir points to.
139 168
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process 170returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 172
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.
178
144=back 179=back
145 180
146=cut 181=cut
147 182
148BEGIN { 183BEGIN {
149 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 185 my $msg = join "", @_;
151 utf8::encode $msg;
152 186
153 $msg .= "\n" 187 $msg .= "\n"
154 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
155 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
156 LOG llevError, $msg; 193 LOG llevError, $msg;
157 }; 194 };
158} 195}
159 196
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@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';
165@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)
166 204
167# 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
168# within the Safe compartment. 206# within the Safe compartment.
169for my $pkg (qw( 207for my $pkg (qw(
170 cf::global cf::attachable 208 cf::global cf::attachable
178} 216}
179 217
180$Event::DIED = sub { 218$Event::DIED = sub {
181 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
182}; 220};
221
222#############################################################################
183 223
184=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
185 225
186=over 4 226=over 4
187 227
206 $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;
207 $d 247 $d
208 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
209} 249}
210 250
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
214 252
215Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
216 254
217=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
218 256
219Converts 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]) }
220 265
221=item cf::lock_wait $string 266=item cf::lock_wait $string
222 267
223Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
224 269
227Wait 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
228a 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,
229for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
230returned. 275returned.
231 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
232Lock 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
233uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
234 282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
286
235=cut 287=cut
236 288
237our %LOCK; 289our %LOCK;
290our %LOCKER;#d#
238 291
239sub lock_wait($) { 292sub lock_wait($) {
240 my ($key) = @_; 293 my ($key) = @_;
294
295 if ($LOCKER{$key} == $Coro::current) {#d#
296 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297 return;#d#
298 }#d#
241 299
242 # wait for lock, if any 300 # wait for lock, if any
243 while ($LOCK{$key}) { 301 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 302 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 303 Coro::schedule;
251 309
252 # wait, to be sure we are not locked 310 # wait, to be sure we are not locked
253 lock_wait $key; 311 lock_wait $key;
254 312
255 $LOCK{$key} = []; 313 $LOCK{$key} = [];
314 $LOCKER{$key} = $Coro::current;#d#
256 315
257 Coro::guard { 316 Coro::guard {
317 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 318 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 319 $_->ready for @{ delete $LOCK{$key} };
260 } 320 }
321}
322
323sub lock_active($) {
324 my ($key) = @_;
325
326 ! ! $LOCK{$key}
261} 327}
262 328
263sub freeze_mainloop { 329sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 330 return unless $TICK_WATCHER->is_active;
265 331
268 }; 334 };
269 $TICK_WATCHER->stop; 335 $TICK_WATCHER->stop;
270 $guard 336 $guard
271} 337}
272 338
339=item cf::get_slot $time[, $priority[, $name]]
340
341Allocate $time seconds of blocking CPU time at priority C<$priority>:
342This call blocks and returns only when you have at least C<$time> seconds
343of cpu time till the next tick. The slot is only valid till the next cede.
344
345The optional C<$name> can be used to identify the job to run. It might be
346used for statistical purposes and should identify the same time-class.
347
348Useful for short background jobs.
349
350=cut
351
352our @SLOT_QUEUE;
353our $SLOT_QUEUE;
354
355$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356$SLOT_QUEUE = Coro::async {
357 my $signal = new Coro::Signal;
358
359 while () {
360 next_job:
361 my $avail = cf::till_tick;
362 if ($avail > 0.01) {
363 for (0 .. $#SLOT_QUEUE) {
364 if ($SLOT_QUEUE[$_][0] < $avail) {
365 my $job = splice @SLOT_QUEUE, $_, 1, ();
366 $job->[2]->send;
367 Coro::cede;
368 goto next_job;
369 }
370 }
371 }
372
373 if (@SLOT_QUEUE) {
374 # we do not use wait_For_tick() as it returns immediately when tick is inactive
375 push @cf::WAIT_FOR_TICK, $signal;
376 $signal->wait;
377 } else {
378 Coro::schedule;
379 }
380 }
381};
382
383sub get_slot($;$$) {
384 my ($time, $pri, $name) = @_;
385
386 $time = $TICK * .6 if $time > $TICK * .6;
387 my $sig = new Coro::Signal;
388
389 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391 $SLOT_QUEUE->ready;
392 $sig->wait;
393}
394
273=item cf::async { BLOCK } 395=item cf::async { BLOCK }
274 396
275Currently the same as Coro::async_pool, meaning you cannot use 397Currently the same as Coro::async_pool, meaning you cannot use
276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 398C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it. 399thing you are allowed to do is call C<prio> on it.
280 402
281BEGIN { *async = \&Coro::async_pool } 403BEGIN { *async = \&Coro::async_pool }
282 404
283=item cf::sync_job { BLOCK } 405=item cf::sync_job { BLOCK }
284 406
285The design of crossfire+ requires that the main coro ($Coro::main) is 407The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 408is always able to handle events or runnable, as Crossfire TRT is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 409partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410acceptable.
288 411
289If it must be done, put the blocking parts into C<sync_job>. This will run 412If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 413the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 414server will be frozen during this time, so the block should either finish
292fast or be very important. 415fast or be very important.
295 418
296sub sync_job(&) { 419sub sync_job(&) {
297 my ($job) = @_; 420 my ($job) = @_;
298 421
299 if ($Coro::current == $Coro::main) { 422 if ($Coro::current == $Coro::main) {
423 my $time = Event::time;
424
300 # this is the main coro, too bad, we have to block 425 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 426 # till the operation succeeds, freezing the server :/
302 427
303 # TODO: use suspend/resume instead 428 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 429 # (but this is cancel-safe)
315 440
316 while ($busy) { 441 while ($busy) {
317 Coro::cede or Event::one_event; 442 Coro::cede or Event::one_event;
318 } 443 }
319 444
445 $time = Event::time - $time;
446
447 LOG llevError | logBacktrace, Carp::longmess "long sync job"
448 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450 $tick_start += $time; # do not account sync jobs to server load
451
320 wantarray ? @res : $res[0] 452 wantarray ? @res : $res[0]
321 } else { 453 } else {
322 # we are in another coroutine, how wonderful, everything just works 454 # we are in another coroutine, how wonderful, everything just works
323 455
324 $job->() 456 $job->()
343 $EXT_CORO{$coro+0} = $coro; 475 $EXT_CORO{$coro+0} = $coro;
344 476
345 $coro 477 $coro
346} 478}
347 479
348sub write_runtime { 480=item fork_call { }, $args
349 my $guard = cf::lock_acquire "write_runtime";
350 481
351 my $runtime = cf::localdir . "/runtime"; 482Executes the given code block with the given arguments in a seperate
483process, returning the results. Everything must be serialisable with
484Coro::Storable. May, of course, block. Note that the executed sub may
485never block itself or use any form of Event handling.
352 486
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 487=cut
354 or return;
355 488
356 my $value = $cf::RUNTIME + 90 + 10; 489sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 490 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 491
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 492 # we seemingly have to make a local copy of the whole thing,
361 and return; 493 # otherwise perl prematurely frees the stuff :/
494 # TODO: investigate and fix (likely this will be rather laborious)
362 495
363 # always fsync - this file is important 496 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 497 reset_signals;
365 and return; 498 &$cb
499 }, @args;
366 500
367 close $fh 501 wantarray ? @res : $res[-1]
368 or return; 502}
369 503
370 aio_rename "$runtime~", $runtime 504=item $value = cf::db_get $family => $key
371 and return;
372 505
506Returns a single value from the environment database.
507
508=item cf::db_put $family => $key => $value
509
510Stores the given C<$value> in the family. It can currently store binary
511data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512
513=cut
514
515our $DB;
516
517sub db_init {
518 unless ($DB) {
519 $DB = BDB::db_create $DB_ENV;
520
521 cf::sync_job {
522 eval {
523 $DB->set_flags (BDB::CHKSUM);
524
525 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527 cf::cleanup "db_open(db): $!" if $!;
528 };
529 cf::cleanup "db_open(db): $@" if $@;
530 };
373 1 531 }
532}
533
534sub db_get($$) {
535 my $key = "$_[0]/$_[1]";
536
537 cf::sync_job {
538 BDB::db_get $DB, undef, $key, my $data;
539
540 $! ? ()
541 : $data
542 }
543}
544
545sub db_put($$$) {
546 BDB::dbreq_pri 4;
547 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
548}
549
550=item cf::cache $id => [$paths...], $processversion => $process
551
552Generic caching function that returns the value of the resource $id,
553caching and regenerating as required.
554
555This function can block.
556
557=cut
558
559sub cache {
560 my ($id, $src, $processversion, $process) = @_;
561
562 my $meta =
563 join "\x00",
564 $processversion,
565 map {
566 aio_stat $_
567 and Carp::croak "$_: $!";
568
569 ($_, (stat _)[7,9])
570 } @$src;
571
572 my $dbmeta = db_get cache => "$id/meta";
573 if ($dbmeta ne $meta) {
574 # changed, we may need to process
575
576 my @data;
577 my $md5;
578
579 for (0 .. $#$src) {
580 0 <= aio_load $src->[$_], $data[$_]
581 or Carp::croak "$src->[$_]: $!";
582 }
583
584 # if processing is expensive, check
585 # checksum first
586 if (1) {
587 $md5 =
588 join "\x00",
589 $processversion,
590 map {
591 cf::cede_to_tick;
592 ($src->[$_], Digest::MD5::md5_hex $data[$_])
593 } 0.. $#$src;
594
595
596 my $dbmd5 = db_get cache => "$id/md5";
597 if ($dbmd5 eq $md5) {
598 db_put cache => "$id/meta", $meta;
599
600 return db_get cache => "$id/data";
601 }
602 }
603
604 my $t1 = Time::HiRes::time;
605 my $data = $process->(\@data);
606 my $t2 = Time::HiRes::time;
607
608 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
609
610 db_put cache => "$id/data", $data;
611 db_put cache => "$id/md5" , $md5;
612 db_put cache => "$id/meta", $meta;
613
614 return $data;
615 }
616
617 db_get cache => "$id/data"
374} 618}
375 619
376=item cf::datalog type => key => value, ... 620=item cf::datalog type => key => value, ...
377 621
378Log a datalog packet of the given type with the given key-value pairs. 622Log a datalog packet of the given type with the given key-value pairs.
396attach callbacks/event handlers (a collection of which is called an "attachment") 640attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 641to it. All such attachable objects support the following methods.
398 642
399In the following description, CLASS can be any of C<global>, C<object> 643In the following description, CLASS can be any of C<global>, C<object>
400C<player>, C<client> or C<map> (i.e. the attachable objects in 644C<player>, C<client> or C<map> (i.e. the attachable objects in
401crossfire+). 645Crossfire TRT).
402 646
403=over 4 647=over 4
404 648
405=item $attachable->attach ($attachment, key => $value...) 649=item $attachable->attach ($attachment, key => $value...)
406 650
569 $registry = $CB_TYPE[$object_type] ||= []; 813 $registry = $CB_TYPE[$object_type] ||= [];
570 814
571 } elsif ($type eq "subtype") { 815 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 816 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 817 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 818 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 819
576 } elsif ($type eq "package") { 820 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 821 my $pkg = shift @arg;
578 822
579 while (my ($name, $id) = each %cb_id) { 823 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 852 _attach $registry, $klass, @attach;
609 } 853 }
610 854
611 $obj->{$name} = \%arg; 855 $obj->{$name} = \%arg;
612 } else { 856 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 857 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 858 }
615 859
616 $obj->{_attachment}{$name} = undef; 860 $obj->{_attachment}{$name} = undef;
617} 861}
618 862
620 if (ref $_[0]) { 864 if (ref $_[0]) {
621 _object_attach @_; 865 _object_attach @_;
622 } else { 866 } else {
623 _attach shift->_attach_registry, @_; 867 _attach shift->_attach_registry, @_;
624 } 868 }
869 _recalc_want;
625}; 870};
626 871
627# all those should be optimised 872# all those should be optimised
628sub cf::attachable::detach { 873sub cf::attachable::detach {
629 my ($obj, $name) = @_; 874 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 877 delete $obj->{_attachment}{$name};
633 reattach ($obj); 878 reattach ($obj);
634 } else { 879 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 880 Carp::croak "cannot, currently, detach class attachments";
636 } 881 }
882 _recalc_want;
637}; 883};
638 884
639sub cf::attachable::attached { 885sub cf::attachable::attached {
640 my ($obj, $name) = @_; 886 my ($obj, $name) = @_;
641 887
656 "; 902 ";
657 die if $@; 903 die if $@;
658} 904}
659 905
660our $override; 906our $override;
661our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 907our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662 908
663sub override { 909sub override {
664 $override = 1; 910 $override = 1;
665 @invoke_results = (); 911 @INVOKE_RESULTS = (@_);
666} 912}
667 913
668sub do_invoke { 914sub do_invoke {
669 my $event = shift; 915 my $event = shift;
670 my $callbacks = shift; 916 my $callbacks = shift;
671 917
672 @invoke_results = (); 918 @INVOKE_RESULTS = ();
673 919
674 local $override; 920 local $override;
675 921
676 for (@$callbacks) { 922 for (@$callbacks) {
677 eval { &{$_->[1]} }; 923 eval { &{$_->[1]} };
694 940
695Generate an object-specific event with the given arguments. 941Generate an object-specific event with the given arguments.
696 942
697This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 943This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698removed in future versions), and there is no public API to access override 944removed in future versions), and there is no public API to access override
699results (if you must, access C<@cf::invoke_results> directly). 945results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 946
701=back 947=back
702 948
703=cut 949=cut
704 950
705############################################################################# 951#############################################################################
706# object support 952# object support
953#
954
955sub _can_merge {
956 my ($ob1, $ob2) = @_;
957
958 local $Storable::canonical = 1;
959 my $fob1 = Storable::freeze $ob1;
960 my $fob2 = Storable::freeze $ob2;
961
962 $fob1 eq $fob2
963}
707 964
708sub reattach { 965sub reattach {
709 # basically do the same as instantiate, without calling instantiate 966 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 967 my ($obj) = @_;
711 968
755 }, 1012 },
756); 1013);
757 1014
758sub object_freezer_save { 1015sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1016 my ($filename, $rdata, $objs) = @_;
1017
1018 my $guard = cf::lock_acquire "io";
760 1019
761 sync_job { 1020 sync_job {
762 if (length $$rdata) { 1021 if (length $$rdata) {
763 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1023 $filename, length $$rdata, scalar @$objs;
788 } 1047 }
789 } else { 1048 } else {
790 aio_unlink $filename; 1049 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
792 } 1051 }
793 } 1052 };
1053
1054 undef $guard;
794} 1055}
795 1056
796sub object_freezer_as_string { 1057sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
798 1059
803 1064
804sub object_thawer_load { 1065sub object_thawer_load {
805 my ($filename) = @_; 1066 my ($filename) = @_;
806 1067
807 my ($data, $av); 1068 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
808 1071
809 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
810 or return; 1073 or return;
811 1074
812 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
814 or return; 1077 or return;
1078
1079 undef $guard;
815 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
816 } 1081 }
817 1082
818 warn sprintf "loading %s (%d)\n", 1083 warn sprintf "loading %s (%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1084 $filename, length $data, scalar @{$av || []};
1085
820 return ($data, $av); 1086 ($data, $av)
821} 1087}
1088
1089=head2 COMMAND CALLBACKS
1090
1091=over 4
1092
1093=cut
822 1094
823############################################################################# 1095#############################################################################
824# command handling &c 1096# command handling &c
825 1097
826=item cf::register_command $name => \&callback($ob,$args); 1098=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1111 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1112}
841 1113
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1114=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1115
844Register a callbackf ro execution when the client sends an extcmd packet. 1116Register a callback for execution when the client sends an (synchronous)
1117extcmd packet. Ext commands will be processed in the order they are
1118received by the server, like other user commands. The first argument is
1119the logged-in player. Ext commands can only be processed after a player
1120has logged in successfully.
845 1121
846If the callback returns something, it is sent back as if reply was being 1122If the callback returns something, it is sent back as if reply was being
847called. 1123called.
848 1124
1125=item cf::register_exticmd $name => \&callback($ns,$packet);
1126
1127Register a callback for execution when the client sends an (asynchronous)
1128exticmd packet. Exti commands are processed by the server as soon as they
1129are received, i.e. out of order w.r.t. other commands. The first argument
1130is a client socket. Exti commands can be received anytime, even before
1131log-in.
1132
1133If the callback returns something, it is sent back as if reply was being
1134called.
1135
849=cut 1136=cut
850 1137
851sub register_extcmd { 1138sub register_extcmd {
852 my ($name, $cb) = @_; 1139 my ($name, $cb) = @_;
853 1140
854 $EXTCMD{$name} = $cb; 1141 $EXTCMD{$name} = $cb;
1142}
1143
1144sub register_exticmd {
1145 my ($name, $cb) = @_;
1146
1147 $EXTICMD{$name} = $cb;
855} 1148}
856 1149
857cf::player->attach ( 1150cf::player->attach (
858 on_command => sub { 1151 on_command => sub {
859 my ($pl, $name, $params) = @_; 1152 my ($pl, $name, $params) = @_;
868 cf::override; 1161 cf::override;
869 }, 1162 },
870 on_extcmd => sub { 1163 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1164 my ($pl, $buf) = @_;
872 1165
873 my $msg = eval { from_json $buf }; 1166 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1167
875 if (ref $msg) { 1168 if (ref $msg) {
1169 my ($type, $reply, @payload) =
1170 "ARRAY" eq ref $msg
1171 ? @$msg
1172 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1173
1174 my @reply;
1175
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1176 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1177 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1178 }
1179
1180 $pl->ext_reply ($reply, @reply)
1181 if $reply;
1182
881 } else { 1183 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1184 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1185 }
884 1186
885 cf::override; 1187 cf::override;
886 }, 1188 },
887); 1189);
888 1190
889sub load_extension {
890 my ($path) = @_;
891
892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
893 my $base = $1;
894 my $pkg = $1;
895 $pkg =~ s/[^[:word:]]/_/g;
896 $pkg = "ext::$pkg";
897
898 warn "... loading '$path' into '$pkg'\n";
899
900 open my $fh, "<:utf8", $path
901 or die "$path: $!";
902
903 my $source =
904 "package $pkg; use strict; use utf8;\n"
905 . "#line 1 \"$path\"\n{\n"
906 . (do { local $/; <$fh> })
907 . "\n};\n1";
908
909 unless (eval $source) {
910 my $msg = $@ ? "$path: $@\n"
911 : "extension disabled.\n";
912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913 warn $@;
914 warn "mandatory extension failed to load, exiting.\n";
915 exit 1;
916 }
917 die $@;
918 }
919
920 push @EXTS, $pkg;
921}
922
923sub load_extensions { 1191sub load_extensions {
1192 cf::sync_job {
1193 my %todo;
1194
924 for my $ext (<$LIBDIR/*.ext>) { 1195 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1196 next unless -r $path;
926 eval { 1197
927 load_extension $ext; 1198 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1199 my $base = $1;
1200 my $pkg = $1;
1201 $pkg =~ s/[^[:word:]]/_/g;
1202 $pkg = "ext::$pkg";
1203
1204 open my $fh, "<:utf8", $path
1205 or die "$path: $!";
1206
1207 my $source = do { local $/; <$fh> };
1208
1209 my %ext = (
1210 path => $path,
1211 base => $base,
1212 pkg => $pkg,
1213 );
1214
1215 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217
1218 $ext{source} =
1219 "package $pkg; use strict; use utf8;\n"
1220 . "#line 1 \"$path\"\n{\n"
1221 . $source
1222 . "\n};\n1";
1223
1224 $todo{$base} = \%ext;
1225 }
1226
1227 my %done;
1228 while (%todo) {
1229 my $progress;
1230
1231 while (my ($k, $v) = each %todo) {
1232 for (split /,\s*/, $v->{meta}{depends}) {
1233 goto skip
1234 unless exists $done{$_};
1235 }
1236
1237 warn "... loading '$k' into '$v->{pkg}'\n";
1238
1239 unless (eval $v->{source}) {
1240 my $msg = $@ ? "$v->{path}: $@\n"
1241 : "$v->{base}: extension inactive.\n";
1242
1243 if (exists $v->{meta}{mandatory}) {
1244 warn $msg;
1245 warn "mandatory extension failed to load, exiting.\n";
1246 exit 1;
1247 }
1248
1249 warn $msg;
1250 }
1251
1252 $done{$k} = delete $todo{$k};
1253 push @EXTS, $v->{pkg};
1254 $progress = 1;
928 1 1255 }
929 } or warn "$ext not loaded: $@"; 1256
1257 skip:
1258 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1259 unless $progress;
1260 }
930 } 1261 };
931} 1262}
932 1263
933############################################################################# 1264#############################################################################
934 1265
1266=back
1267
935=head2 CORE EXTENSIONS 1268=head2 CORE EXTENSIONS
936 1269
937Functions and methods that extend core crossfire objects. 1270Functions and methods that extend core crossfire objects.
938 1271
939=cut 1272=cut
951Returns the given player object, loading it if necessary (might block). 1284Returns the given player object, loading it if necessary (might block).
952 1285
953=cut 1286=cut
954 1287
955sub playerdir($) { 1288sub playerdir($) {
956 cf::localdir 1289 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1290 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1291}
962 1292
963sub path($) { 1293sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1294 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1321 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1322 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1323 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl"; 1324 aio_unlink +(playerdir $login) . "/$login.pl";
995 1325
996 my $pl = load_pl path $login 1326 my $f = new_from_file cf::object::thawer path $login
997 or return; 1327 or return;
1328
1329 $f->next;
1330 my $pl = cf::player::load_pl $f
1331 or return;
1332 local $cf::PLAYER_LOADING{$login} = $pl;
1333 $f->resolve_delayed_derefs;
998 $cf::PLAYER{$login} = $pl 1334 $cf::PLAYER{$login} = $pl
999 } 1335 }
1000 } 1336 }
1001} 1337}
1002 1338
1012 1348
1013 aio_mkdir playerdir $pl, 0770; 1349 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME; 1350 $pl->{last_save} = $cf::RUNTIME;
1015 1351
1016 $pl->save_pl ($path); 1352 $pl->save_pl ($path);
1017 Coro::cede; 1353 cf::cede_to_tick;
1018} 1354}
1019 1355
1020sub new($) { 1356sub new($) {
1021 my ($login) = @_; 1357 my ($login) = @_;
1022 1358
1026 $self->{deny_save} = 1; 1362 $self->{deny_save} = 1;
1027 1363
1028 $cf::PLAYER{$login} = $self; 1364 $cf::PLAYER{$login} = $self;
1029 1365
1030 $self 1366 $self
1367}
1368
1369=item $player->send_msg ($channel, $msg, $color, [extra...])
1370
1371=cut
1372
1373sub send_msg {
1374 my $ns = shift->ns
1375 or return;
1376 $ns->send_msg (@_);
1031} 1377}
1032 1378
1033=item $pl->quit_character 1379=item $pl->quit_character
1034 1380
1035Nukes the player without looking back. If logged in, the connection will 1381Nukes the player without looking back. If logged in, the connection will
1084while and may block, so not sync_job-capable, ever. 1430while and may block, so not sync_job-capable, ever.
1085 1431
1086=cut 1432=cut
1087 1433
1088sub list_logins { 1434sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1435 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1436 or return [];
1091 1437
1092 my @logins; 1438 my @logins;
1093 1439
1094 for my $login (@$dirs) { 1440 for my $login (@$dirs) {
1441 my $path = path $login;
1442
1443 # a .pst is a dead give-away for a valid player
1444 unless (-e "$path.pst") {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1445 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next; 1446 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag 1447 $buf !~ /^password -------------$/m or next; # official not-valid tag
1448 }
1098 1449
1099 utf8::decode $login; 1450 utf8::decode $login;
1100 push @logins, $login; 1451 push @logins, $login;
1101 } 1452 }
1102 1453
1129 } 1480 }
1130 1481
1131 \@paths 1482 \@paths
1132} 1483}
1133 1484
1485=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1486
1487Expand crossfire pod fragments into protocol xml.
1488
1489=cut
1490
1491sub expand_cfpod {
1492 ((my $self), (local $_)) = @_;
1493
1494 # escape & and <
1495 s/&/&amp;/g;
1496 s/(?<![BIUGHT])</&lt;/g;
1497
1498 # this is buggy, it needs to properly take care of nested <'s
1499
1500 1 while
1501 # replace B<>, I<>, U<> etc.
1502 s/B<([^\>]*)>/<b>$1<\/b>/
1503 || s/I<([^\>]*)>/<i>$1<\/i>/
1504 || s/U<([^\>]*)>/<u>$1<\/u>/
1505 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506 # replace G<male|female> tags
1507 || s{G<([^>|]*)\|([^>]*)>}{
1508 $self->gender ? $2 : $1
1509 }ge
1510 # replace H<hint text>
1511 || s{H<([^\>]*)>}
1512 {
1513 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515 "")
1516 [$self->{hintmode}]
1517 }ge;
1518
1519 # create single paragraphs (very hackish)
1520 s/(?<=\S)\n(?=\w)/ /g;
1521
1522 # compress some whitespace
1523 s/\s+\n/\n/g; # ws line-ends
1524 s/\n\n+/\n/g; # double lines
1525 s/^\n+//; # beginning lines
1526 s/\n+$//; # ending lines
1527
1528 $_
1529}
1530
1531sub hintmode {
1532 $_[0]{hintmode} = $_[1] if @_ > 1;
1533 $_[0]{hintmode}
1534}
1535
1134=item $player->ext_reply ($msgid, %msg) 1536=item $player->ext_reply ($msgid, @msg)
1135 1537
1136Sends an ext reply to the player. 1538Sends an ext reply to the player.
1137 1539
1138=cut 1540=cut
1139 1541
1140sub ext_reply($$%) { 1542sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1543 my ($self, $id, @msg) = @_;
1142 1544
1143 $msg{msgid} = $id; 1545 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1546}
1147 1547
1148=item $player->ext_event ($type, %msg) 1548=item $player->ext_msg ($type, @msg)
1149 1549
1150Sends an ext event to the client. 1550Sends an ext event to the client.
1151 1551
1152=cut 1552=cut
1153 1553
1154sub ext_event($$%) { 1554sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1555 my ($self, $type, @msg) = @_;
1156 1556
1157 $self->ns->ext_event ($type, %msg); 1557 $self->ns->ext_msg ($type, @msg);
1158} 1558}
1159 1559
1160=head3 cf::region 1560=head3 cf::region
1161 1561
1162=over 4 1562=over 4
1165 1565
1166package cf::region; 1566package cf::region;
1167 1567
1168=item cf::region::find_by_path $path 1568=item cf::region::find_by_path $path
1169 1569
1170Tries to decuce the probable region for a map knowing only its path. 1570Tries to decuce the likely region for a map knowing only its path.
1171 1571
1172=cut 1572=cut
1173 1573
1174sub find_by_path($) { 1574sub find_by_path($) {
1175 my ($path) = @_; 1575 my ($path) = @_;
1176 1576
1177 my ($match, $specificity); 1577 my ($match, $specificity);
1178 1578
1179 for my $region (list) { 1579 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1580 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1581 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1582 if $region->specificity > $specificity;
1183 } 1583 }
1184 } 1584 }
1185 1585
1249 my ($self, $merge) = @_; 1649 my ($self, $merge) = @_;
1250 1650
1251 # we have to keep some variables in memory intact 1651 # we have to keep some variables in memory intact
1252 local $self->{path}; 1652 local $self->{path};
1253 local $self->{load_path}; 1653 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1654
1257 $self->SUPER::thawer_merge ($merge); 1655 $self->SUPER::thawer_merge ($merge);
1258} 1656}
1259 1657
1260sub normalise { 1658sub normalise {
1307 $self->init; # pass $1 etc. 1705 $self->init; # pass $1 etc.
1308 return $self; 1706 return $self;
1309 } 1707 }
1310 } 1708 }
1311 1709
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1710 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1711 ()
1314} 1712}
1315 1713
1316sub init { 1714sub init {
1317 my ($self) = @_; 1715 my ($self) = @_;
1332 1730
1333# the original (read-only) location 1731# the original (read-only) location
1334sub load_path { 1732sub load_path {
1335 my ($self) = @_; 1733 my ($self) = @_;
1336 1734
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1735 "$MAPDIR/$self->{path}.map"
1338} 1736}
1339 1737
1340# the temporary/swap location 1738# the temporary/swap location
1341sub save_path { 1739sub save_path {
1342 my ($self) = @_; 1740 my ($self) = @_;
1343 1741
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1742 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1743 "$TMPDIR/$path.map"
1346} 1744}
1347 1745
1348# the unique path, undef == no special unique path 1746# the unique path, undef == no special unique path
1349sub uniq_path { 1747sub uniq_path {
1350 my ($self) = @_; 1748 my ($self) = @_;
1351 1749
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1751 "$UNIQUEDIR/$path"
1354} 1752}
1355 1753
1356# and all this just because we cannot iterate over 1754# and all this just because we cannot iterate over
1357# all maps in C++... 1755# all maps in C++...
1358sub change_all_map_light { 1756sub change_all_map_light {
1360 1758
1361 $_->change_map_light ($change) 1759 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1760 for grep $_->outdoor, values %cf::MAP;
1363} 1761}
1364 1762
1763sub decay_objects {
1764 my ($self) = @_;
1765
1766 return if $self->{deny_reset};
1767
1768 $self->do_decay_objects;
1769}
1770
1365sub unlink_save { 1771sub unlink_save {
1366 my ($self) = @_; 1772 my ($self) = @_;
1367 1773
1368 utf8::encode (my $save = $self->save_path); 1774 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1775 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1372 1778
1373sub load_header_from($) { 1779sub load_header_from($) {
1374 my ($self, $path) = @_; 1780 my ($self, $path) = @_;
1375 1781
1376 utf8::encode $path; 1782 utf8::encode $path;
1377 #aio_open $path, O_RDONLY, 0 1783 my $f = new_from_file cf::object::thawer $path
1378 # or return;
1379
1380 $self->_load_header ($path)
1381 or return; 1784 or return;
1785
1786 $self->_load_header ($f)
1787 or return;
1788
1789 local $MAP_LOADING{$self->{path}} = $self;
1790 $f->resolve_delayed_derefs;
1382 1791
1383 $self->{load_path} = $path; 1792 $self->{load_path} = $path;
1384 1793
1385 1 1794 1
1386} 1795}
1425 $self->load_header_orig 1834 $self->load_header_orig
1426 or return; 1835 or return;
1427 $self->prepare_orig; 1836 $self->prepare_orig;
1428 } 1837 }
1429 1838
1839 $self->{deny_reset} = 1
1840 if $self->no_reset;
1841
1430 $self->default_region (cf::region::find_by_path $self->{path}) 1842 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 1843 unless $self->default_region;
1432 1844
1433 1 1845 1
1434} 1846}
1437sub find { 1849sub find {
1438 my ($path, $origin) = @_; 1850 my ($path, $origin) = @_;
1439 1851
1440 $path = normalise $path, $origin && $origin->path; 1852 $path = normalise $path, $origin && $origin->path;
1441 1853
1854 cf::lock_wait "map_data:$path";#d#remove
1442 cf::lock_wait "map_find:$path"; 1855 cf::lock_wait "map_find:$path";
1443 1856
1444 $cf::MAP{$path} || do { 1857 $cf::MAP{$path} || do {
1445 my $guard = cf::lock_acquire "map_find:$path"; 1858 my $guard1 = cf::lock_acquire "map_find:$path";
1859 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1446 my $map = new_from_path cf::map $path 1861 my $map = new_from_path cf::map $path
1447 or return; 1862 or return;
1448 1863
1449 $map->{last_save} = $cf::RUNTIME; 1864 $map->{last_save} = $cf::RUNTIME;
1450 1865
1451 $map->load_header 1866 $map->load_header
1452 or return; 1867 or return;
1453 1868
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1869 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 1870 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 1871 #$cf::WAIT_FOR_TICK->wait;
1872 undef $guard1;
1873 undef $guard2;
1457 $map->reset; 1874 $map->reset;
1458 undef $guard;
1459 return find $path; 1875 return find $path;
1460 } 1876 }
1461 1877
1462 $cf::MAP{$path} = $map 1878 $cf::MAP{$path} = $map
1463 } 1879 }
1470 my ($self) = @_; 1886 my ($self) = @_;
1471 1887
1472 local $self->{deny_reset} = 1; # loading can take a long time 1888 local $self->{deny_reset} = 1; # loading can take a long time
1473 1889
1474 my $path = $self->{path}; 1890 my $path = $self->{path};
1891
1892 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 1893 my $guard = cf::lock_acquire "map_data:$path";
1476 1894
1895 return unless $self->valid;
1477 return if $self->in_memory != cf::MAP_SWAPPED; 1896 return if $self->in_memory != cf::MAP_SWAPPED;
1478 1897
1479 $self->in_memory (cf::MAP_LOADING); 1898 $self->in_memory (cf::MAP_LOADING);
1480 1899
1481 $self->alloc; 1900 $self->alloc;
1482 1901
1483 $self->pre_load; 1902 $self->pre_load;
1484 Coro::cede; 1903 cf::cede_to_tick;
1485 1904
1486 $self->_load_objects ($self->{load_path}, 1) 1905 my $f = new_from_file cf::object::thawer $self->{load_path};
1906 $f->skip_block;
1907 $self->_load_objects ($f)
1487 or return; 1908 or return;
1488 1909
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1910 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490 if delete $self->{load_original}; 1911 if delete $self->{load_original};
1491 1912
1492 if (my $uniq = $self->uniq_path) { 1913 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq; 1914 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) { 1915 unless (aio_stat $uniq) {
1916 if (my $f = new_from_file cf::object::thawer $uniq) {
1495 $self->clear_unique_items; 1917 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0); 1918 $self->_load_objects ($f);
1919 $f->resolve_delayed_derefs;
1920 }
1497 } 1921 }
1498 } 1922 }
1499 1923
1500 Coro::cede; 1924 $f->resolve_delayed_derefs;
1925
1926 cf::cede_to_tick;
1501 # now do the right thing for maps 1927 # now do the right thing for maps
1502 $self->link_multipart_objects; 1928 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($self->{deny_activate}) {
1506 $self->decay_objects;
1507 $self->fix_auto_apply;
1508 $self->update_buttons;
1509 Coro::cede;
1510 $self->set_darkness_map;
1511 $self->difficulty ($self->estimate_difficulty) 1929 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 1930 unless $self->difficulty;
1513 Coro::cede; 1931 cf::cede_to_tick;
1932
1933 unless ($self->{deny_activate}) {
1934 $self->decay_objects;
1935 $self->fix_auto_apply;
1936 $self->update_buttons;
1937 cf::cede_to_tick;
1938 $self->set_darkness_map;
1939 cf::cede_to_tick;
1514 $self->activate; 1940 $self->activate;
1515 Coro::cede; 1941 }
1942
1943 $self->{last_save} = $cf::RUNTIME;
1944 $self->last_access ($cf::RUNTIME);
1945
1946 $self->in_memory (cf::MAP_IN_MEMORY);
1516 } 1947 }
1517 1948
1518 $self->post_load; 1949 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 1950}
1523 1951
1524sub customise_for { 1952sub customise_for {
1525 my ($self, $ob) = @_; 1953 my ($self, $ob) = @_;
1526 1954
1527 return find "~" . $ob->name . "/" . $self->{path} 1955 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 1956 if $self->per_player;
1529 1957
1958# return find "?party/" . $ob->name . "/" . $self->{path}
1959# if $self->per_party;
1960
1530 $self 1961 $self
1531} 1962}
1532 1963
1533# find and load all maps in the 3x3 area around a map 1964# find and load all maps in the 3x3 area around a map
1534sub load_diag { 1965sub load_neighbours {
1535 my ($map) = @_; 1966 my ($map) = @_;
1536 1967
1537 my @diag; # diagonal neighbours 1968 my @neigh; # diagonal neighbours
1538 1969
1539 for (0 .. 3) { 1970 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 1971 my $neigh = $map->tile_path ($_)
1541 or next; 1972 or next;
1542 $neigh = find $neigh, $map 1973 $neigh = find $neigh, $map
1543 or next; 1974 or next;
1544 $neigh->load; 1975 $neigh->load;
1545 1976
1977 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1978 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1979 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 1980 }
1549 1981
1550 for (@diag) { 1982 for (grep defined $_->[0], @neigh) {
1983 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 1984 my $neigh = find $path, $origin
1552 or next; 1985 or next;
1553 $neigh->load; 1986 $neigh->load;
1554 } 1987 }
1555} 1988}
1556 1989
1561} 1994}
1562 1995
1563sub do_load_sync { 1996sub do_load_sync {
1564 my ($map) = @_; 1997 my ($map) = @_;
1565 1998
1999 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2000 if $Coro::current == $Coro::main;
2001
1566 cf::sync_job { $map->load }; 2002 cf::sync_job { $map->load };
1567} 2003}
1568 2004
1569our %MAP_PREFETCH; 2005our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 2006our $MAP_PREFETCHER = undef;
1571 2007
1572sub find_async { 2008sub find_async {
1573 my ($path, $origin) = @_; 2009 my ($path, $origin, $load) = @_;
1574 2010
1575 $path = normalise $path, $origin && $origin->{path}; 2011 $path = normalise $path, $origin && $origin->{path};
1576 2012
1577 if (my $map = $cf::MAP{$path}) { 2013 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2014 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579 } 2015 }
1580 2016
1581 undef $MAP_PREFETCH{$path}; 2017 $MAP_PREFETCH{$path} |= $load;
2018
1582 $MAP_PREFETCHER ||= cf::async { 2019 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) { 2020 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 2021 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 2022 if (my $map = find $k) {
1586 or next;
1587 $map->load; 2023 $map->load if $v;
2024 }
1588 2025
1589 delete $MAP_PREFETCH{$path}; 2026 delete $MAP_PREFETCH{$k};
1590 } 2027 }
1591 } 2028 }
1592 undef $MAP_PREFETCHER; 2029 undef $MAP_PREFETCHER;
1593 }; 2030 };
1594 $MAP_PREFETCHER->prio (6); 2031 $MAP_PREFETCHER->prio (6);
1597} 2034}
1598 2035
1599sub save { 2036sub save {
1600 my ($self) = @_; 2037 my ($self) = @_;
1601 2038
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2039 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2040
1604 $self->{last_save} = $cf::RUNTIME; 2041 $self->{last_save} = $cf::RUNTIME;
1605 2042
1606 return unless $self->dirty; 2043 return unless $self->dirty;
1607 2044
1630 my ($self) = @_; 2067 my ($self) = @_;
1631 2068
1632 # save first because save cedes 2069 # save first because save cedes
1633 $self->save; 2070 $self->save;
1634 2071
1635 my $lock = cf::lock_acquire "map_data:" . $self->path; 2072 my $lock = cf::lock_acquire "map_data:$self->{path}";
1636 2073
1637 return if $self->players; 2074 return if $self->players;
1638 return if $self->in_memory != cf::MAP_IN_MEMORY; 2075 return if $self->in_memory != cf::MAP_IN_MEMORY;
1639 return if $self->{deny_save}; 2076 return if $self->{deny_save};
1640 2077
2078 $self->in_memory (cf::MAP_SWAPPED);
2079
2080 $self->deactivate;
2081 $_->clear_links_to ($self) for values %cf::MAP;
1641 $self->clear; 2082 $self->clear;
1642 $self->in_memory (cf::MAP_SWAPPED);
1643} 2083}
1644 2084
1645sub reset_at { 2085sub reset_at {
1646 my ($self) = @_; 2086 my ($self) = @_;
1647 2087
1648 # TODO: safety, remove and allow resettable per-player maps 2088 # TODO: safety, remove and allow resettable per-player maps
1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1650 return 1e99 if $self->{deny_reset}; 2089 return 1e99 if $self->{deny_reset};
1651 2090
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2091 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2092 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2093
1665 my ($self) = @_; 2104 my ($self) = @_;
1666 2105
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2106 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2107
1669 return if $self->players; 2108 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2109
1672 warn "resetting map ", $self->path;#d# 2110 warn "resetting map ", $self->path;
1673 2111
1674 $self->in_memory (cf::MAP_SWAPPED); 2112 $self->in_memory (cf::MAP_SWAPPED);
1675 2113
1676 # need to save uniques path 2114 # need to save uniques path
1677 unless ($self->{deny_save}) { 2115 unless ($self->{deny_save}) {
1681 if $uniq; 2119 if $uniq;
1682 } 2120 }
1683 2121
1684 delete $cf::MAP{$self->path}; 2122 delete $cf::MAP{$self->path};
1685 2123
2124 $self->deactivate;
2125 $_->clear_links_to ($self) for values %cf::MAP;
1686 $self->clear; 2126 $self->clear;
1687
1688 $_->clear_links_to ($self) for values %cf::MAP;
1689 2127
1690 $self->unlink_save; 2128 $self->unlink_save;
1691 $self->destroy; 2129 $self->destroy;
1692} 2130}
1693 2131
1694my $nuke_counter = "aaaa"; 2132my $nuke_counter = "aaaa";
1695 2133
1696sub nuke { 2134sub nuke {
1697 my ($self) = @_; 2135 my ($self) = @_;
1698 2136
2137 {
2138 my $lock = cf::lock_acquire "map_data:$self->{path}";
2139
1699 delete $cf::MAP{$self->path}; 2140 delete $cf::MAP{$self->path};
1700 2141
1701 $self->unlink_save; 2142 $self->unlink_save;
1702 2143
1703 bless $self, "cf::map"; 2144 bless $self, "cf::map";
1704 delete $self->{deny_reset}; 2145 delete $self->{deny_reset};
1705 $self->{deny_save} = 1; 2146 $self->{deny_save} = 1;
1706 $self->reset_timeout (1); 2147 $self->reset_timeout (1);
1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2148 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708 2149
1709 $cf::MAP{$self->path} = $self; 2150 $cf::MAP{$self->path} = $self;
2151 }
1710 2152
1711 $self->reset; # polite request, might not happen 2153 $self->reset; # polite request, might not happen
2154}
2155
2156=item $maps = cf::map::tmp_maps
2157
2158Returns an arrayref with all map paths of currently instantiated and saved
2159maps. May block.
2160
2161=cut
2162
2163sub tmp_maps() {
2164 [
2165 map {
2166 utf8::decode $_;
2167 /\.map$/
2168 ? normalise $_
2169 : ()
2170 } @{ aio_readdir $TMPDIR or [] }
2171 ]
2172}
2173
2174=item $maps = cf::map::random_maps
2175
2176Returns an arrayref with all map paths of currently instantiated and saved
2177random maps. May block.
2178
2179=cut
2180
2181sub random_maps() {
2182 [
2183 map {
2184 utf8::decode $_;
2185 /\.map$/
2186 ? normalise "?random/$_"
2187 : ()
2188 } @{ aio_readdir $RANDOMDIR or [] }
2189 ]
1712} 2190}
1713 2191
1714=item cf::map::unique_maps 2192=item cf::map::unique_maps
1715 2193
1716Returns an arrayref of paths of all shared maps that have 2194Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2195instantiated unique items. May block.
1718 2196
1719=cut 2197=cut
1720 2198
1721sub unique_maps() { 2199sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2200 [
1723 or return; 2201 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2202 utf8::decode $_;
1729 next if /\.pst$/; 2203 /\.map$/
1730 next unless /^$PATH_SEP/o; 2204 ? normalise $_
1731 2205 : ()
1732 push @paths, cf::map::normalise $_; 2206 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2207 ]
1734
1735 \@paths
1736} 2208}
1737 2209
1738package cf; 2210package cf;
1739 2211
1740=back 2212=back
1758 map { $_, inv_recursive_ $_->inv } @_ 2230 map { $_, inv_recursive_ $_->inv } @_
1759} 2231}
1760 2232
1761sub inv_recursive { 2233sub inv_recursive {
1762 inv_recursive_ inv $_[0] 2234 inv_recursive_ inv $_[0]
2235}
2236
2237=item $ref = $ob->ref
2238
2239creates and returns a persistent reference to an objetc that can be stored as a string.
2240
2241=item $ob = cf::object::deref ($refstring)
2242
2243returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2244even if the object actually exists. May block.
2245
2246=cut
2247
2248sub deref {
2249 my ($ref) = @_;
2250
2251 # temporary compatibility#TODO#remove
2252 $ref =~ s{^<}{player/<};
2253
2254 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2255 my ($uuid, $name) = ($1, $2);
2256 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2257 or return;
2258 $pl->ob->uuid eq $uuid
2259 or return;
2260
2261 $pl->ob
2262 } else {
2263 warn "$ref: cannot resolve object reference\n";
2264 undef
2265 }
1763} 2266}
1764 2267
1765package cf; 2268package cf;
1766 2269
1767=back 2270=back
1786 2289
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2290 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2291
1789 if ($self->{record_replies}) { 2292 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2293 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2294
1791 } else { 2295 } else {
2296 my $pl = $self->contr;
2297
2298 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2299 my $dialog = $pl->{npc_dialog};
2300 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2301
2302 } else {
1792 $msg = $npc->name . " says: $msg" if $npc; 2303 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2304 $self->message ($msg, $flags);
2305 }
1794 } 2306 }
2307}
2308
2309=item $object->send_msg ($channel, $msg, $color, [extra...])
2310
2311=cut
2312
2313sub cf::object::send_msg {
2314 my $pl = shift->contr
2315 or return;
2316 $pl->send_msg (@_);
1795} 2317}
1796 2318
1797=item $player_object->may ("access") 2319=item $player_object->may ("access")
1798 2320
1799Returns wether the given player is authorized to access resource "access" 2321Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2368 $self->deactivate_recursive;
1847 2369
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2370 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2371
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2372 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2373 if $self->map && $self->map->{path} ne "{link}";
1852 2374
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2375 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2376}
1855 2377
1856sub cf::object::player::leave_link { 2378sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2379 my ($self, $map, $x, $y) = @_;
2380
2381 return unless $self->contr->active;
1858 2382
1859 my $link_pos = delete $self->{_link_pos}; 2383 my $link_pos = delete $self->{_link_pos};
1860 2384
1861 unless ($map) { 2385 unless ($map) {
1862 # restore original map position 2386 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2400 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2401 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2402 if $x <=0 && $y <= 0;
1879 2403
1880 $map->load; 2404 $map->load;
1881 $map->load_diag; 2405 $map->load_neighbours;
1882 2406
1883 return unless $self->contr->active; 2407 return unless $self->contr->active;
1884 $self->activate_recursive; 2408 $self->activate_recursive;
1885 2409
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2410 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2411 $self->enter_map ($map, $x, $y);
1888} 2412}
1889 2413
1890cf::player->attach ( 2414=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2415
1894 # abort map switching before logout 2416Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2417her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2418that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2419the new (success) or old (failed) map position. In either case, $done will
1898 }; 2420be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2421
1904 # try to abort aborted map switching on player login :)
1905 # should happen only on crashes
1906 if ($pl->ob->{_link_pos}) {
1907 $pl->ob->enter_link;
1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1915 Coro::Timer::sleep 1;
1916 $pl->ob->leave_link;
1917 })->prio (2);
1918 }
1919 },
1920);
1921
1922=item $player_object->goto ($path, $x, $y)
1923
1924=cut 2422=cut
2423
2424our $GOTOGEN;
1925 2425
1926sub cf::object::player::goto { 2426sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2427 my ($self, $path, $x, $y, $check, $done) = @_;
2428
2429 # do generation counting so two concurrent goto's will be executed in-order
2430 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2431
1929 $self->enter_link; 2432 $self->enter_link;
1930 2433
1931 (async { 2434 (async {
1932 my $map = eval { 2435 my $map = eval {
1933 my $map = cf::map::find $path; 2436 my $map = cf::map::find $path;
2437
2438 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2439 $map = $map->customise_for ($self);
2440 $map = $check->($map) if $check && $map;
2441 } else {
2442 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2443 }
2444
1935 $map 2445 $map
2446 };
2447
2448 if ($@) {
2449 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2450 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2451 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2452
2453 if ($gen == $self->{_goto_generation}) {
2454 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2455 $self->leave_link ($map, $x, $y);
2456 }
2457
2458 $done->() if $done;
1940 })->prio (1); 2459 })->prio (1);
1941} 2460}
1942 2461
1943=item $player_object->enter_exit ($exit_object) 2462=item $player_object->enter_exit ($exit_object)
1944 2463
1983 2502
1984 $rmp->{random_seed} ||= $exit->random_seed; 2503 $rmp->{random_seed} ||= $exit->random_seed;
1985 2504
1986 my $data = cf::to_json $rmp; 2505 my $data = cf::to_json $rmp;
1987 my $md5 = Digest::MD5::md5_hex $data; 2506 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2507 my $meta = "$RANDOMDIR/$md5.meta";
1989 2508
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2509 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2510 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2511 undef $fh;
1993 aio_rename "$meta~", $meta; 2512 aio_rename "$meta~", $meta;
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2531 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp; 2532 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp; 2533 my $sp = $exit->stats->sp;
2015 2534
2016 $self->enter_link; 2535 $self->enter_link;
2536
2537 # if exit is damned, update players death & WoR home-position
2538 $self->contr->savebed ($slaying, $hp, $sp)
2539 if $exit->flag (FLAG_DAMNED);
2017 2540
2018 (async { 2541 (async {
2019 $self->deactivate_recursive; # just to be sure 2542 $self->deactivate_recursive; # just to be sure
2020 unless (eval { 2543 unless (eval {
2021 $self->goto ($slaying, $hp, $sp); 2544 $self->goto ($slaying, $hp, $sp);
2049 2572
2050 utf8::encode $text; 2573 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2574 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2575}
2053 2576
2577=item $client->send_msg ($channel, $msg, $color, [extra...])
2578
2579Send a drawinfo or msg packet to the client, formatting the msg for the
2580client if neccessary. C<$type> should be a string identifying the type of
2581the message, with C<log> being the default. If C<$color> is negative, suppress
2582the message unless the client supports the msg packet.
2583
2584=cut
2585
2586our %CHANNEL = (
2587 "c/identify" => {
2588 id => "identify",
2589 title => "Identify",
2590 reply => undef,
2591 tooltip => "Items recently identified",
2592 },
2593 "c/examine" => {
2594 id => "examine",
2595 title => "Examine",
2596 reply => undef,
2597 tooltip => "Signs and other items you examined",
2598 },
2599);
2600
2601sub cf::client::send_msg {
2602 my ($self, $channel, $msg, $color, @extra) = @_;
2603
2604 $msg = $self->pl->expand_cfpod ($msg);
2605
2606 $color &= cf::NDI_CLIENT_MASK; # just in case...
2607
2608 # check predefined channels, for the benefit of C
2609 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2610
2611 if (ref $channel) {
2612 # send meta info to client, if not yet sent
2613 unless (exists $self->{channel}{$channel->{id}}) {
2614 $self->{channel}{$channel->{id}} = $channel;
2615 $self->ext_msg (channel_info => $channel)
2616 if $self->can_msg;
2617 }
2618
2619 $channel = $channel->{id};
2620 }
2621
2622 return unless @extra || length $msg;
2623
2624 if ($self->can_msg) {
2625 # default colour, mask it out
2626 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2627 if $color & cf::NDI_DEF;
2628
2629 $self->send_packet ("msg " . $self->{json_coder}->encode (
2630 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2631 } else {
2632 if ($color >= 0) {
2633 # replace some tags by gcfclient-compatible ones
2634 for ($msg) {
2635 1 while
2636 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2637 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2638 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2639 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2640 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2641 }
2642
2643 $color &= cf::NDI_COLOR_MASK;
2644
2645 utf8::encode $msg;
2646
2647 if (0 && $msg =~ /\[/) {
2648 # COMMAND/INFO
2649 $self->send_packet ("drawextinfo $color 10 8 $msg")
2650 } else {
2651 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2652 $self->send_packet ("drawinfo $color $msg")
2653 }
2654 }
2655 }
2656}
2657
2054=item $client->ext_event ($type, %msg) 2658=item $client->ext_msg ($type, @msg)
2055 2659
2056Sends an exti event to the client. 2660Sends an ext event to the client.
2057 2661
2058=cut 2662=cut
2059 2663
2060sub cf::client::ext_event($$%) { 2664sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2665 my ($self, $type, @msg) = @_;
2062 2666
2667 if ($self->extcmd == 2) {
2668 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2669 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2670 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2671 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2672 }
2673}
2674
2675=item $client->ext_reply ($msgid, @msg)
2676
2677Sends an ext reply to the client.
2678
2679=cut
2680
2681sub cf::client::ext_reply($$@) {
2682 my ($self, $id, @msg) = @_;
2683
2684 if ($self->extcmd == 2) {
2685 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2686 } elsif ($self->extcmd == 1) {
2687 #TODO: version 1, remove
2688 unshift @msg, msgtype => "reply", msgid => $id;
2689 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2690 }
2065} 2691}
2066 2692
2067=item $success = $client->query ($flags, "text", \&cb) 2693=item $success = $client->query ($flags, "text", \&cb)
2068 2694
2069Queues a query to the client, calling the given callback with 2695Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2696the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2697C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2698
2073Queries can fail, so check the return code. Or don't, as queries will become 2699Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2700become reliable at some point in the future.
2075 2701
2076=cut 2702=cut
2077 2703
2078sub cf::client::query { 2704sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2705 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2713 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2714 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2715
2090 $self->send_packet ($self->{query_queue}[0][0]) 2716 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2717 if @{ $self->{query_queue} } == 1;
2718
2719 1
2092} 2720}
2093 2721
2094cf::client->attach ( 2722cf::client->attach (
2723 on_connect => sub {
2724 my ($ns) = @_;
2725
2726 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2727 },
2095 on_reply => sub { 2728 on_reply => sub {
2096 my ($ns, $msg) = @_; 2729 my ($ns, $msg) = @_;
2097 2730
2098 # this weird shuffling is so that direct followup queries 2731 # this weird shuffling is so that direct followup queries
2099 # get handled first 2732 # get handled first
2111 } else { 2744 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2745 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 2746 }
2114 } 2747 }
2115 }, 2748 },
2749 on_exticmd => sub {
2750 my ($ns, $buf) = @_;
2751
2752 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2753
2754 if (ref $msg) {
2755 my ($type, $reply, @payload) =
2756 "ARRAY" eq ref $msg
2757 ? @$msg
2758 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2759
2760 my @reply;
2761
2762 if (my $cb = $EXTICMD{$type}) {
2763 @reply = $cb->($ns, @payload);
2764 }
2765
2766 $ns->ext_reply ($reply, @reply)
2767 if $reply;
2768
2769 } else {
2770 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2771 }
2772
2773 cf::override;
2774 },
2116); 2775);
2117 2776
2118=item $client->async (\&cb) 2777=item $client->async (\&cb)
2119 2778
2120Create a new coroutine, running the specified callback. The coroutine will 2779Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 2820our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 2821our $safe_hole = new Safe::Hole;
2163 2822
2164$SIG{FPE} = 'IGNORE'; 2823$SIG{FPE} = 'IGNORE';
2165 2824
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2825$safe->permit_only (Opcode::opset qw(
2826 :base_core :base_mem :base_orig :base_math
2827 grepstart grepwhile mapstart mapwhile
2828 sort time
2829));
2167 2830
2168# here we export the classes and methods available to script code 2831# here we export the classes and methods available to script code
2169 2832
2170=pod 2833=pod
2171 2834
2172The following functions and methods are available within a safe environment: 2835The following functions and methods are available within a safe environment:
2173 2836
2174 cf::object contr pay_amount pay_player map 2837 cf::object
2838 contr pay_amount pay_player map x y force_find force_add
2839 insert remove name archname title slaying race decrease_ob_nr
2840
2175 cf::object::player player 2841 cf::object::player
2176 cf::player peaceful 2842 player
2177 cf::map trigger 2843
2844 cf::player
2845 peaceful
2846
2847 cf::map
2848 trigger
2178 2849
2179=cut 2850=cut
2180 2851
2181for ( 2852for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 2853 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2854 insert remove inv name archname title slaying race
2855 decrease_ob_nr)],
2183 ["cf::object::player" => qw(player)], 2856 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 2857 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 2858 ["cf::map" => qw(trigger)],
2186) { 2859) {
2187 no strict 'refs'; 2860 no strict 'refs';
2258=back 2931=back
2259 2932
2260=cut 2933=cut
2261 2934
2262############################################################################# 2935#############################################################################
2263
2264=head2 EXTENSION DATABASE SUPPORT
2265
2266Crossfire maintains a very simple database for extension use. It can
2267currently store anything that can be serialised using Storable, which
2268excludes objects.
2269
2270The parameter C<$family> should best start with the name of the extension
2271using it, it should be unique.
2272
2273=over 4
2274
2275=item $value = cf::db_get $family => $key
2276
2277Returns a single value from the database.
2278
2279=item cf::db_put $family => $key => $value
2280
2281Stores the given C<$value> in the family.
2282
2283=cut
2284
2285our $DB;
2286
2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2306
2307 cf::db_put (board => data => $pst->{board});
2308 cf::db_put (guildrules => data => $pst->{guildrules});
2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312 unlink $path;
2313 };
2314 }
2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332}
2333
2334#############################################################################
2335# the server's init and main functions 2936# the server's init and main functions
2336 2937
2337sub load_facedata { 2938sub load_facedata($) {
2338 my $path = sprintf "%s/facedata", cf::datadir; 2939 my ($path) = @_;
2940
2941 # HACK to clear player env face cache, we need some signal framework
2942 # for this (global event?)
2943 %ext::player_env::MUSIC_FACE_CACHE = ();
2944
2945 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339 2946
2340 warn "loading facedata from $path\n"; 2947 warn "loading facedata from $path\n";
2341 2948
2342 my $facedata; 2949 my $facedata;
2343 0 < aio_load $path, $facedata 2950 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 2953 $facedata = Coro::Storable::thaw $facedata;
2347 2954
2348 $facedata->{version} == 2 2955 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 2956 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 2957
2958 # patch in the exptable
2959 $facedata->{resource}{"res/exp_table"} = {
2960 type => FT_RSRC,
2961 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2962 };
2963 cf::cede_to_tick;
2964
2351 { 2965 {
2352 my $faces = $facedata->{faceinfo}; 2966 my $faces = $facedata->{faceinfo};
2353 2967
2354 while (my ($face, $info) = each %$faces) { 2968 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2969 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2970 cf::face::set_visibility $idx, $info->{visibility};
2971 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2972 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2973 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 2974
2975 cf::cede_to_tick;
2360 } 2976 }
2361 2977
2362 while (my ($face, $info) = each %$faces) { 2978 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 2979 next unless $info->{smooth};
2364 my $idx = cf::face::find $face 2980 my $idx = cf::face::find $face
2365 or next; 2981 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) { 2982 if (my $smooth = cf::face::find $info->{smooth}) {
2983 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 2984 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 2985 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2986 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 2987 }
2371 Coro::cede; 2988
2989 cf::cede_to_tick;
2372 } 2990 }
2373 } 2991 }
2374 2992
2375 { 2993 {
2376 my $anims = $facedata->{animinfo}; 2994 my $anims = $facedata->{animinfo};
2377 2995
2378 while (my ($anim, $info) = each %$anims) { 2996 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 2997 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 2998 cf::cede_to_tick;
2381 } 2999 }
2382 3000
2383 cf::anim::invalidate_all; # d'oh 3001 cf::anim::invalidate_all; # d'oh
2384 } 3002 }
2385 3003
3004 {
3005 # TODO: for gcfclient pleasure, we should give resources
3006 # that gcfclient doesn't grok a >10000 face index.
3007 my $res = $facedata->{resource};
3008
3009 my $soundconf = delete $res->{"res/sound.conf"};
3010
3011 while (my ($name, $info) = each %$res) {
3012 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3013 my $data;
3014
3015 if ($info->{type} & 1) {
3016 # prepend meta info
3017
3018 my $meta = $enc->encode ({
3019 name => $name,
3020 %{ $info->{meta} || {} },
3021 });
3022
3023 $data = pack "(w/a*)*", $meta, $info->{data};
3024 } else {
3025 $data = $info->{data};
3026 }
3027
3028 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3029 cf::face::set_type $idx, $info->{type};
3030
3031 cf::cede_to_tick;
3032 }
3033
3034 if ($soundconf) {
3035 $soundconf = $enc->decode (delete $soundconf->{data});
3036
3037 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3038 my $sound = $soundconf->{compat}[$_]
3039 or next;
3040
3041 my $face = cf::face::find "sound/$sound->[1]";
3042 cf::sound::set $sound->[0] => $face;
3043 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3044 }
3045
3046 while (my ($k, $v) = each %{$soundconf->{event}}) {
3047 my $face = cf::face::find "sound/$v";
3048 cf::sound::set $k => $face;
3049 }
3050 }
3051 }
3052
2386 1 3053 1
2387} 3054}
2388 3055
3056register_exticmd fx_want => sub {
3057 my ($ns, $want) = @_;
3058
3059 while (my ($k, $v) = each %$want) {
3060 $ns->fx_want ($k, $v);
3061 }
3062};
3063
3064sub reload_regions {
3065 # HACK to clear player env face cache, we need some signal framework
3066 # for this (global event?)
3067 %ext::player_env::MUSIC_FACE_CACHE = ();
3068
3069 load_resource_file "$MAPDIR/regions"
3070 or die "unable to load regions file\n";
3071
3072 for (cf::region::list) {
3073 $_->{match} = qr/$_->{match}/
3074 if exists $_->{match};
3075 }
3076}
3077
3078sub reload_facedata {
3079 load_facedata "$DATADIR/facedata"
3080 or die "unable to load facedata\n";
3081}
3082
2389sub load_archetypes { 3083sub reload_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable 3084 load_resource_file "$DATADIR/archetypes"
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir 3085 or die "unable to load archetypes\n";
3086 #d# NEED to laod twice to resolve forward references
3087 # this really needs to be done in an extra post-pass
3088 # (which needs to be synchronous, so solve it differently)
3089 load_resource_file "$DATADIR/archetypes"
3090 or die "unable to load archetypes\n";
2392} 3091}
2393 3092
2394sub load_treasures { 3093sub reload_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir 3094 load_resource_file "$DATADIR/treasures"
3095 or die "unable to load treasurelists\n";
2396} 3096}
2397 3097
2398sub reload_resources { 3098sub reload_resources {
2399 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3099 warn "reloading resource files...\n";
2400 or die "unable to load regions file\n"; 3100
3101 reload_regions;
2401 load_facedata 3102 reload_facedata;
2402 or die "unable to load facedata\n"; 3103 #reload_archetypes;#d#
2403 load_archetypes 3104 reload_archetypes;
2404 or die "unable to load archetypes\n";
2405 load_treasures 3105 reload_treasures;
2406 or die "unable to load treasurelists\n"; 3106
3107 warn "finished reloading resource files\n";
2407} 3108}
2408 3109
2409sub init { 3110sub init {
2410 reload_resources; 3111 reload_resources;
2411} 3112}
2412 3113
2413sub cfg_load { 3114sub reload_config {
2414 open my $fh, "<:utf8", cf::confdir . "/config" 3115 open my $fh, "<:utf8", "$CONFDIR/config"
2415 or return; 3116 or return;
2416 3117
2417 local $/; 3118 local $/;
2418 *CFG = YAML::Syck::Load <$fh>; 3119 *CFG = YAML::Syck::Load <$fh>;
2419 3120
2438 (async { 3139 (async {
2439 Event::one_event; 3140 Event::one_event;
2440 })->prio (Coro::PRIO_MAX); 3141 })->prio (Coro::PRIO_MAX);
2441 }; 3142 };
2442 3143
2443 cfg_load; 3144 reload_config;
2444 db_init; 3145 db_init;
2445 load_extensions; 3146 load_extensions;
2446 3147
2447 $TICK_WATCHER->start; 3148 $TICK_WATCHER->start;
2448 Event::loop; 3149 Event::loop;
2464 }, 3165 },
2465 ); 3166 );
2466 } 3167 }
2467} 3168}
2468 3169
3170sub write_runtime {
3171 my $runtime = "$LOCALDIR/runtime";
3172
3173 # first touch the runtime file to show we are still running:
3174 # the fsync below can take a very very long time.
3175
3176 IO::AIO::aio_utime $runtime, undef, undef;
3177
3178 my $guard = cf::lock_acquire "write_runtime";
3179
3180 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3181 or return;
3182
3183 my $value = $cf::RUNTIME + 90 + 10;
3184 # 10 is the runtime save interval, for a monotonic clock
3185 # 60 allows for the watchdog to kill the server.
3186
3187 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3188 and return;
3189
3190 # always fsync - this file is important
3191 aio_fsync $fh
3192 and return;
3193
3194 # touch it again to show we are up-to-date
3195 aio_utime $fh, undef, undef;
3196
3197 close $fh
3198 or return;
3199
3200 aio_rename "$runtime~", $runtime
3201 and return;
3202
3203 warn "runtime file written.\n";
3204
3205 1
3206}
3207
2469sub emergency_save() { 3208sub emergency_save() {
2470 my $freeze_guard = cf::freeze_mainloop; 3209 my $freeze_guard = cf::freeze_mainloop;
2471 3210
2472 warn "enter emergency perl save\n"; 3211 warn "enter emergency perl save\n";
2473 3212
2504 3243
2505 warn Carp::longmess "post_cleanup backtrace" 3244 warn Carp::longmess "post_cleanup backtrace"
2506 if $make_core; 3245 if $make_core;
2507} 3246}
2508 3247
2509sub reload() { 3248sub do_reload_perl() {
2510 # can/must only be called in main 3249 # can/must only be called in main
2511 if ($Coro::current != $Coro::main) { 3250 if ($Coro::current != $Coro::main) {
2512 warn "can only reload from main coroutine"; 3251 warn "can only reload from main coroutine";
2513 return; 3252 return;
2514 } 3253 }
2548 %EXT_CORO = (); 3287 %EXT_CORO = ();
2549 3288
2550 warn "removing commands"; 3289 warn "removing commands";
2551 %COMMAND = (); 3290 %COMMAND = ();
2552 3291
2553 warn "removing ext commands"; 3292 warn "removing ext/exti commands";
2554 %EXTCMD = (); 3293 %EXTCMD = ();
3294 %EXTICMD = ();
2555 3295
2556 warn "unloading/nuking all extensions"; 3296 warn "unloading/nuking all extensions";
2557 for my $pkg (@EXTS) { 3297 for my $pkg (@EXTS) {
2558 warn "... unloading $pkg"; 3298 warn "... unloading $pkg";
2559 3299
2589 Symbol::delete_package "safe::$_" 3329 Symbol::delete_package "safe::$_"
2590 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3330 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591 3331
2592 warn "unloading cf.pm \"a bit\""; 3332 warn "unloading cf.pm \"a bit\"";
2593 delete $INC{"cf.pm"}; 3333 delete $INC{"cf.pm"};
3334 delete $INC{"cf/pod.pm"};
2594 3335
2595 # don't, removes xs symbols, too, 3336 # don't, removes xs symbols, too,
2596 # and global variables created in xs 3337 # and global variables created in xs
2597 #Symbol::delete_package __PACKAGE__; 3338 #Symbol::delete_package __PACKAGE__;
2598 3339
2601 warn "reloading cf.pm"; 3342 warn "reloading cf.pm";
2602 require cf; 3343 require cf;
2603 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3344 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2604 3345
2605 warn "loading config and database again"; 3346 warn "loading config and database again";
2606 cf::cfg_load; 3347 cf::reload_config;
2607 3348
2608 warn "loading extensions"; 3349 warn "loading extensions";
2609 cf::load_extensions; 3350 cf::load_extensions;
2610 3351
2611 warn "reattaching attachments to objects/players"; 3352 warn "reattaching attachments to objects/players";
2613 warn "reattaching attachments to maps"; 3354 warn "reattaching attachments to maps";
2614 reattach $_ for values %MAP; 3355 reattach $_ for values %MAP;
2615 warn "reattaching attachments to players"; 3356 warn "reattaching attachments to players";
2616 reattach $_ for values %PLAYER; 3357 reattach $_ for values %PLAYER;
2617 3358
2618 warn "loading reloadable resources";
2619 reload_resources;
2620
2621 warn "leaving sync_job"; 3359 warn "leaving sync_job";
2622 3360
2623 1 3361 1
2624 } or do { 3362 } or do {
2625 warn $@; 3363 warn $@;
2630 warn "reloaded"; 3368 warn "reloaded";
2631}; 3369};
2632 3370
2633our $RELOAD_WATCHER; # used only during reload 3371our $RELOAD_WATCHER; # used only during reload
2634 3372
3373sub reload_perl() {
3374 # doing reload synchronously and two reloads happen back-to-back,
3375 # coro crashes during coro_state_free->destroy here.
3376
3377 $RELOAD_WATCHER ||= Event->timer (
3378 reentrant => 0,
3379 after => 0,
3380 data => WF_AUTOCANCEL,
3381 cb => sub {
3382 do_reload_perl;
3383 undef $RELOAD_WATCHER;
3384 },
3385 );
3386}
3387
2635register_command "reload" => sub { 3388register_command "reload" => sub {
2636 my ($who, $arg) = @_; 3389 my ($who, $arg) = @_;
2637 3390
2638 if ($who->flag (FLAG_WIZ)) { 3391 if ($who->flag (FLAG_WIZ)) {
2639 $who->message ("reloading server."); 3392 $who->message ("reloading server.");
2640 3393 async { reload_perl };
2641 # doing reload synchronously and two reloads happen back-to-back,
2642 # coro crashes during coro_state_free->destroy here.
2643
2644 $RELOAD_WATCHER ||= Event->timer (
2645 reentrant => 0,
2646 after => 0,
2647 data => WF_AUTOCANCEL,
2648 cb => sub {
2649 reload;
2650 undef $RELOAD_WATCHER;
2651 },
2652 );
2653 } 3394 }
2654}; 3395};
2655 3396
2656unshift @INC, $LIBDIR; 3397unshift @INC, $LIBDIR;
2657 3398
2676 my $signal = new Coro::Signal; 3417 my $signal = new Coro::Signal;
2677 push @WAIT_FOR_TICK_BEGIN, $signal; 3418 push @WAIT_FOR_TICK_BEGIN, $signal;
2678 $signal->wait; 3419 $signal->wait;
2679} 3420}
2680 3421
3422 my $min = 1e6;#d#
3423 my $avg = 10;
2681$TICK_WATCHER = Event->timer ( 3424$TICK_WATCHER = Event->timer (
2682 reentrant => 0, 3425 reentrant => 0,
2683 parked => 1, 3426 parked => 1,
2684 prio => 0, 3427 prio => 0,
2685 at => $NEXT_TICK || $TICK, 3428 at => $NEXT_TICK || $TICK,
2689 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3432 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690 unless ++$bug_warning > 10; 3433 unless ++$bug_warning > 10;
2691 return; 3434 return;
2692 } 3435 }
2693 3436
2694 $NOW = Event::time; 3437 $NOW = $tick_start = Event::time;
2695 3438
2696 cf::server_tick; # one server iteration 3439 cf::server_tick; # one server iteration
3440
3441 0 && sync_job {#d#
3442 for(1..10) {
3443 my $t = Event::time;
3444 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3445 or die;
3446
3447 $map->width (50);
3448 $map->height (50);
3449 $map->alloc;
3450 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3451 my $t = Event::time - $t;
3452
3453 #next unless $t < 0.0013;#d#
3454 if ($t < $min) {
3455 $min = $t;
3456 }
3457 $avg = $avg * 0.99 + $t * 0.01;
3458 }
3459 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3460 exit 0;
3461 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3462 };
3463
2697 $RUNTIME += $TICK; 3464 $RUNTIME += $TICK;
2698 $NEXT_TICK += $TICK; 3465 $NEXT_TICK += $TICK;
2699 3466
2700 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3467 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701 $NEXT_RUNTIME_WRITE = $NOW + 10; 3468 $NEXT_RUNTIME_WRITE = $NOW + 10;
2703 write_runtime 3470 write_runtime
2704 or warn "ERROR: unable to write runtime file: $!"; 3471 or warn "ERROR: unable to write runtime file: $!";
2705 }; 3472 };
2706 } 3473 }
2707 3474
3475# my $AFTER = Event::time;
3476# warn $AFTER - $NOW;#d#
3477
2708 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3478 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709 $sig->send; 3479 $sig->send;
2710 } 3480 }
2711 while (my $sig = shift @WAIT_FOR_TICK) { 3481 while (my $sig = shift @WAIT_FOR_TICK) {
2712 $sig->send; 3482 $sig->send;
2713 } 3483 }
2714 3484
2715# my $AFTER = Event::time; 3485 $NOW = Event::time;
2716# warn $AFTER - $NOW;#d#
2717 3486
2718 # if we are delayed by four ticks or more, skip them all 3487 # if we are delayed by four ticks or more, skip them all
2719 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3488 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2720 3489
2721 $TICK_WATCHER->at ($NEXT_TICK); 3490 $TICK_WATCHER->at ($NEXT_TICK);
2722 $TICK_WATCHER->start; 3491 $TICK_WATCHER->start;
3492
3493 $LOAD = ($NOW - $tick_start) / $TICK;
3494 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3495
3496 _post_tick;
3497
3498
2723 }, 3499 },
2724); 3500);
2725 3501
2726{ 3502{
2727 BDB::max_poll_time $TICK * 0.1; 3503 BDB::max_poll_time $TICK * 0.1;
2755 3531
2756 cf::sync_job { 3532 cf::sync_job {
2757 eval { 3533 eval {
2758 BDB::db_env_open 3534 BDB::db_env_open
2759 $DB_ENV, 3535 $DB_ENV,
2760 $BDB_ENV_DIR, 3536 $BDBDIR,
2761 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3537 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3538 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763 0666; 3539 0666;
2764 3540
2765 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3541 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766 3542
2767 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3543 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768 $DB_ENV->set_lk_detect; 3544 $DB_ENV->set_lk_detect;
2769 }; 3545 };
2770 3546
2786 prio => 6, 3562 prio => 6,
2787 cb => \&IO::AIO::poll_cb, 3563 cb => \&IO::AIO::poll_cb,
2788 ); 3564 );
2789} 3565}
2790 3566
3567my $_log_backtrace;
3568
3569sub _log_backtrace {
3570 my ($msg, @addr) = @_;
3571
3572 $msg =~ s/\n//;
3573
3574 # limit the # of concurrent backtraces
3575 if ($_log_backtrace < 2) {
3576 ++$_log_backtrace;
3577 async {
3578 my @bt = fork_call {
3579 @addr = map { sprintf "%x", $_ } @addr;
3580 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3581 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3582 or die "addr2line: $!";
3583
3584 my @funcs;
3585 my @res = <$fh>;
3586 chomp for @res;
3587 while (@res) {
3588 my ($func, $line) = splice @res, 0, 2, ();
3589 push @funcs, "[$func] $line";
3590 }
3591
3592 @funcs
3593 };
3594
3595 LOG llevInfo, "[ABT] $msg\n";
3596 LOG llevInfo, "[ABT] $_\n" for @bt;
3597 --$_log_backtrace;
3598 };
3599 } else {
3600 LOG llevInfo, "[ABT] $msg\n";
3601 LOG llevInfo, "[ABT] [suppressed]\n";
3602 }
3603}
3604
3605# load additional modules
3606use cf::pod;
3607
2791END { cf::emergency_save } 3608END { cf::emergency_save }
2792 3609
27931 36101
2794 3611

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