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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 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;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS 1.4 ();
27use BDB ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
31use YAML::Syck ();
23use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
38 54
39our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
43 60
61our $RELOAD; # number of reloads so far
44our @EVENT; 62our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 63
47our $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(!)
48our $TICK_WATCHER; 77our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 80our $NEXT_TICK;
52our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
53 86
54our %CFG; 87our %CFG;
55 88
56our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 90our $RUNTIME;
58 91
59our %PLAYER; # all users 92our %PLAYER; # all users
60our %MAP; # all maps 93our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 95
67# 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 ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
70binmode STDOUT; 103binmode STDOUT;
71binmode STDERR; 104binmode STDERR;
72 105
73# read virtual server time, if available 106# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
78} 111}
79 112
80mkdir cf::localdir; 113mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 115
86our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
87 119
88############################################################################# 120#############################################################################
89 121
90=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
91 123
98=item $cf::RUNTIME 130=item $cf::RUNTIME
99 131
100The 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
101every server tick. 133every server tick.
102 134
103=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
104 138
105The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
106be 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.
107 143
108=item $cf::NOW 144=item $cf::NOW
109 145
110The time of the last (current) server tick. 146The time of the last (current) server tick.
111 147
112=item $cf::TICK 148=item $cf::TICK
113 149
114The 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.
115 161
116=item %cf::CFG 162=item %cf::CFG
117 163
118Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
119from wherever your confdir points to. 165from wherever your confdir points to.
120 166
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
122 168
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
127 178
128=back 179=back
129 180
130=cut 181=cut
131 182
132BEGIN { 183BEGIN {
133 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 185 my $msg = join "", @_;
135 utf8::encode $msg;
136 186
137 $msg .= "\n" 187 $msg .= "\n"
138 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
139 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
140 LOG llevError, $msg; 193 LOG llevError, $msg;
141 }; 194 };
142} 195}
143 196
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@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';
149@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)
150 204
151# 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
152# within the Safe compartment. 206# within the Safe compartment.
153for my $pkg (qw( 207for my $pkg (qw(
154 cf::global cf::attachable 208 cf::global cf::attachable
162} 216}
163 217
164$Event::DIED = sub { 218$Event::DIED = sub {
165 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
166}; 220};
221
222#############################################################################
167 223
168=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
169 225
170=over 4 226=over 4
171 227
190 $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;
191 $d 247 $d
192 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
193} 249}
194 250
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
198 252
199Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
200 254
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
209 256
210Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
211 258
212=cut 259=cut
213 260
214sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
216 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
217} 264sub from_json ($) { $json_coder->decode ($_[0]) }
218 265
219=item cf::lock_wait $string 266=item cf::lock_wait $string
220 267
221Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
222 269
228returned. 275returned.
229 276
230Lock names should begin with a unique identifier (for example, cf::map::find 277Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 278uses map_find and cf::map::load uses map_load).
232 279
280=item $locked = cf::lock_active $string
281
282Return true if the lock is currently active, i.e. somebody has locked it.
283
233=cut 284=cut
234 285
235our %LOCK; 286our %LOCK;
236 287
237sub lock_wait($) { 288sub lock_wait($) {
256 # wake up all waiters, to be on the safe side 307 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 308 $_->ready for @{ delete $LOCK{$key} };
258 } 309 }
259} 310}
260 311
312sub lock_active($) {
313 my ($key) = @_;
314
315 ! ! $LOCK{$key}
316}
317
261sub freeze_mainloop { 318sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 319 return unless $TICK_WATCHER->is_active;
263 320
264 my $guard = Coro::guard { 321 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 322 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 323 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 324 $TICK_WATCHER->stop;
270 $guard 325 $guard
326}
327
328=item cf::get_slot $time[, $priority[, $name]]
329
330Allocate $time seconds of blocking CPU time at priority C<$priority>:
331This call blocks and returns only when you have at least C<$time> seconds
332of cpu time till the next tick. The slot is only valid till the next cede.
333
334The optional C<$name> can be used to identify the job to run. It might be
335used for statistical purposes and should identify the same time-class.
336
337Useful for short background jobs.
338
339=cut
340
341our @SLOT_QUEUE;
342our $SLOT_QUEUE;
343
344$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async {
346 my $signal = new Coro::Signal;
347
348 while () {
349 next_job:
350 my $avail = cf::till_tick;
351 if ($avail > 0.01) {
352 for (0 .. $#SLOT_QUEUE) {
353 if ($SLOT_QUEUE[$_][0] < $avail) {
354 my $job = splice @SLOT_QUEUE, $_, 1, ();
355 $job->[2]->send;
356 Coro::cede;
357 goto next_job;
358 }
359 }
360 }
361
362 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait;
366 } else {
367 Coro::schedule;
368 }
369 }
370};
371
372sub get_slot($;$$) {
373 my ($time, $pri, $name) = @_;
374
375 $time = $TICK * .6 if $time > $TICK * .6;
376 my $sig = new Coro::Signal;
377
378 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380 $SLOT_QUEUE->ready;
381 $sig->wait;
271} 382}
272 383
273=item cf::async { BLOCK } 384=item cf::async { BLOCK }
274 385
275Currently the same as Coro::async_pool, meaning you cannot use 386Currently the same as Coro::async_pool, meaning you cannot use
280 391
281BEGIN { *async = \&Coro::async_pool } 392BEGIN { *async = \&Coro::async_pool }
282 393
283=item cf::sync_job { BLOCK } 394=item cf::sync_job { BLOCK }
284 395
285The design of crossfire+ requires that the main coro ($Coro::main) is 396The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 397is 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. 398partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable.
288 400
289If it must be done, put the blocking parts into C<sync_job>. This will run 401If 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 402the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 403server will be frozen during this time, so the block should either finish
292fast or be very important. 404fast or be very important.
295 407
296sub sync_job(&) { 408sub sync_job(&) {
297 my ($job) = @_; 409 my ($job) = @_;
298 410
299 if ($Coro::current == $Coro::main) { 411 if ($Coro::current == $Coro::main) {
412 my $time = Event::time;
413
300 # this is the main coro, too bad, we have to block 414 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 415 # till the operation succeeds, freezing the server :/
302 416
303 # TODO: use suspend/resume instead 417 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 418 # (but this is cancel-safe)
315 429
316 while ($busy) { 430 while ($busy) {
317 Coro::cede or Event::one_event; 431 Coro::cede or Event::one_event;
318 } 432 }
319 433
434 $time = Event::time - $time;
435
436 LOG llevError | logBacktrace, Carp::longmess "long sync job"
437 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439 $tick_start += $time; # do not account sync jobs to server load
440
320 wantarray ? @res : $res[0] 441 wantarray ? @res : $res[0]
321 } else { 442 } else {
322 # we are in another coroutine, how wonderful, everything just works 443 # we are in another coroutine, how wonderful, everything just works
323 444
324 $job->() 445 $job->()
343 $EXT_CORO{$coro+0} = $coro; 464 $EXT_CORO{$coro+0} = $coro;
344 465
345 $coro 466 $coro
346} 467}
347 468
348sub write_runtime { 469=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 470
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 471Executes the given code block with the given arguments in a seperate
352 or return; 472process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling.
353 475
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 476=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 477
358 aio_fsync $fh 478sub fork_call(&@) {
359 and return; 479 my ($cb, @args) = @_;
360 480
361 close $fh 481 # we seemingly have to make a local copy of the whole thing,
362 or return; 482 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious)
363 484
364 aio_rename "$runtime~", $runtime 485 my @res = Coro::Util::fork_eval {
365 and return; 486 reset_signals;
487 &$cb
488 }, @args;
366 489
490 wantarray ? @res : $res[-1]
491}
492
493=item $value = cf::db_get $family => $key
494
495Returns a single value from the environment database.
496
497=item cf::db_put $family => $key => $value
498
499Stores the given C<$value> in the family. It can currently store binary
500data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501
502=cut
503
504our $DB;
505
506sub db_init {
507 unless ($DB) {
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job {
511 eval {
512 $DB->set_flags (BDB::CHKSUM);
513
514 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516 cf::cleanup "db_open(db): $!" if $!;
517 };
518 cf::cleanup "db_open(db): $@" if $@;
519 };
367 1 520 }
521}
522
523sub db_get($$) {
524 my $key = "$_[0]/$_[1]";
525
526 cf::sync_job {
527 BDB::db_get $DB, undef, $key, my $data;
528
529 $! ? ()
530 : $data
531 }
532}
533
534sub db_put($$$) {
535 BDB::dbreq_pri 4;
536 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
537}
538
539=item cf::cache $id => [$paths...], $processversion => $process
540
541Generic caching function that returns the value of the resource $id,
542caching and regenerating as required.
543
544This function can block.
545
546=cut
547
548sub cache {
549 my ($id, $src, $processversion, $process) = @_;
550
551 my $meta =
552 join "\x00",
553 $processversion,
554 map {
555 aio_stat $_
556 and Carp::croak "$_: $!";
557
558 ($_, (stat _)[7,9])
559 } @$src;
560
561 my $dbmeta = db_get cache => "$id/meta";
562 if ($dbmeta ne $meta) {
563 # changed, we may need to process
564
565 my @data;
566 my $md5;
567
568 for (0 .. $#$src) {
569 0 <= aio_load $src->[$_], $data[$_]
570 or Carp::croak "$src->[$_]: $!";
571 }
572
573 # if processing is expensive, check
574 # checksum first
575 if (1) {
576 $md5 =
577 join "\x00",
578 $processversion,
579 map {
580 Coro::cede;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src;
583
584
585 my $dbmd5 = db_get cache => "$id/md5";
586 if ($dbmd5 eq $md5) {
587 db_put cache => "$id/meta", $meta;
588
589 return db_get cache => "$id/data";
590 }
591 }
592
593 my $t1 = Time::HiRes::time;
594 my $data = $process->(\@data);
595 my $t2 = Time::HiRes::time;
596
597 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
598
599 db_put cache => "$id/data", $data;
600 db_put cache => "$id/md5" , $md5;
601 db_put cache => "$id/meta", $meta;
602
603 return $data;
604 }
605
606 db_get cache => "$id/data"
607}
608
609=item cf::datalog type => key => value, ...
610
611Log a datalog packet of the given type with the given key-value pairs.
612
613=cut
614
615sub datalog($@) {
616 my ($type, %kv) = @_;
617 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 618}
369 619
370=back 620=back
371 621
372=cut 622=cut
379attach callbacks/event handlers (a collection of which is called an "attachment") 629attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 630to it. All such attachable objects support the following methods.
381 631
382In the following description, CLASS can be any of C<global>, C<object> 632In the following description, CLASS can be any of C<global>, C<object>
383C<player>, C<client> or C<map> (i.e. the attachable objects in 633C<player>, C<client> or C<map> (i.e. the attachable objects in
384crossfire+). 634Crossfire TRT).
385 635
386=over 4 636=over 4
387 637
388=item $attachable->attach ($attachment, key => $value...) 638=item $attachable->attach ($attachment, key => $value...)
389 639
503our @CB_TYPE = (); # registry for type (cf-object class) based events 753our @CB_TYPE = (); # registry for type (cf-object class) based events
504our @CB_MAP = (); 754our @CB_MAP = ();
505 755
506my %attachment; 756my %attachment;
507 757
758sub cf::attachable::thawer_merge {
759 # simply override everything except _meta
760 local $_[0]{_meta};
761 %{$_[0]} = %{$_[1]};
762}
763
508sub _attach_cb($$$$) { 764sub _attach_cb($$$$) {
509 my ($registry, $event, $prio, $cb) = @_; 765 my ($registry, $event, $prio, $cb) = @_;
510 766
511 use sort 'stable'; 767 use sort 'stable';
512 768
546 $registry = $CB_TYPE[$object_type] ||= []; 802 $registry = $CB_TYPE[$object_type] ||= [];
547 803
548 } elsif ($type eq "subtype") { 804 } elsif ($type eq "subtype") {
549 defined $object_type or Carp::croak "subtype specified without type"; 805 defined $object_type or Carp::croak "subtype specified without type";
550 my $object_subtype = shift @arg; 806 my $object_subtype = shift @arg;
551 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 807 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552 808
553 } elsif ($type eq "package") { 809 } elsif ($type eq "package") {
554 my $pkg = shift @arg; 810 my $pkg = shift @arg;
555 811
556 while (my ($name, $id) = each %cb_id) { 812 while (my ($name, $id) = each %cb_id) {
585 _attach $registry, $klass, @attach; 841 _attach $registry, $klass, @attach;
586 } 842 }
587 843
588 $obj->{$name} = \%arg; 844 $obj->{$name} = \%arg;
589 } else { 845 } else {
590 warn "object uses attachment '$name' that is not available, postponing.\n"; 846 warn "object uses attachment '$name' which is not available, postponing.\n";
591 } 847 }
592 848
593 $obj->{_attachment}{$name} = undef; 849 $obj->{_attachment}{$name} = undef;
594} 850}
595 851
597 if (ref $_[0]) { 853 if (ref $_[0]) {
598 _object_attach @_; 854 _object_attach @_;
599 } else { 855 } else {
600 _attach shift->_attach_registry, @_; 856 _attach shift->_attach_registry, @_;
601 } 857 }
858 _recalc_want;
602}; 859};
603 860
604# all those should be optimised 861# all those should be optimised
605sub cf::attachable::detach { 862sub cf::attachable::detach {
606 my ($obj, $name) = @_; 863 my ($obj, $name) = @_;
609 delete $obj->{_attachment}{$name}; 866 delete $obj->{_attachment}{$name};
610 reattach ($obj); 867 reattach ($obj);
611 } else { 868 } else {
612 Carp::croak "cannot, currently, detach class attachments"; 869 Carp::croak "cannot, currently, detach class attachments";
613 } 870 }
871 _recalc_want;
614}; 872};
615 873
616sub cf::attachable::attached { 874sub cf::attachable::attached {
617 my ($obj, $name) = @_; 875 my ($obj, $name) = @_;
618 876
633 "; 891 ";
634 die if $@; 892 die if $@;
635} 893}
636 894
637our $override; 895our $override;
638our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 896our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639 897
640sub override { 898sub override {
641 $override = 1; 899 $override = 1;
642 @invoke_results = (); 900 @INVOKE_RESULTS = (@_);
643} 901}
644 902
645sub do_invoke { 903sub do_invoke {
646 my $event = shift; 904 my $event = shift;
647 my $callbacks = shift; 905 my $callbacks = shift;
648 906
649 @invoke_results = (); 907 @INVOKE_RESULTS = ();
650 908
651 local $override; 909 local $override;
652 910
653 for (@$callbacks) { 911 for (@$callbacks) {
654 eval { &{$_->[1]} }; 912 eval { &{$_->[1]} };
671 929
672Generate an object-specific event with the given arguments. 930Generate an object-specific event with the given arguments.
673 931
674This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 932This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675removed in future versions), and there is no public API to access override 933removed in future versions), and there is no public API to access override
676results (if you must, access C<@cf::invoke_results> directly). 934results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677 935
678=back 936=back
679 937
680=cut 938=cut
681 939
682############################################################################# 940#############################################################################
683# object support 941# object support
942#
943
944sub _can_merge {
945 my ($ob1, $ob2) = @_;
946
947 local $Storable::canonical = 1;
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950
951 $fob1 eq $fob2
952}
684 953
685sub reattach { 954sub reattach {
686 # basically do the same as instantiate, without calling instantiate 955 # basically do the same as instantiate, without calling instantiate
687 my ($obj) = @_; 956 my ($obj) = @_;
688 957
741 $filename, length $$rdata, scalar @$objs; 1010 $filename, length $$rdata, scalar @$objs;
742 1011
743 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744 chmod SAVE_MODE, $fh; 1013 chmod SAVE_MODE, $fh;
745 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746 aio_fsync $fh; 1015 aio_fsync $fh if $cf::USE_FSYNC;
747 close $fh; 1016 close $fh;
748 1017
749 if (@$objs) { 1018 if (@$objs) {
750 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1019 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751 chmod SAVE_MODE, $fh; 1020 chmod SAVE_MODE, $fh;
752 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1021 my $data = Storable::nfreeze { version => 1, objs => $objs };
753 aio_write $fh, 0, (length $data), $data, 0; 1022 aio_write $fh, 0, (length $data), $data, 0;
754 aio_fsync $fh; 1023 aio_fsync $fh if $cf::USE_FSYNC;
755 close $fh; 1024 close $fh;
756 aio_rename "$filename.pst~", "$filename.pst"; 1025 aio_rename "$filename.pst~", "$filename.pst";
757 } 1026 }
758 } else { 1027 } else {
759 aio_unlink "$filename.pst"; 1028 aio_unlink "$filename.pst";
791 or return; 1060 or return;
792 $av = eval { (Storable::thaw $av)->{objs} }; 1061 $av = eval { (Storable::thaw $av)->{objs} };
793 } 1062 }
794 1063
795 warn sprintf "loading %s (%d)\n", 1064 warn sprintf "loading %s (%d)\n",
796 $filename, length $data, scalar @{$av || []};#d# 1065 $filename, length $data, scalar @{$av || []};
797 return ($data, $av); 1066 return ($data, $av);
798} 1067}
1068
1069=head2 COMMAND CALLBACKS
1070
1071=over 4
1072
1073=cut
799 1074
800############################################################################# 1075#############################################################################
801# command handling &c 1076# command handling &c
802 1077
803=item cf::register_command $name => \&callback($ob,$args); 1078=item cf::register_command $name => \&callback($ob,$args);
816 push @{ $COMMAND{$name} }, [$caller, $cb]; 1091 push @{ $COMMAND{$name} }, [$caller, $cb];
817} 1092}
818 1093
819=item cf::register_extcmd $name => \&callback($pl,$packet); 1094=item cf::register_extcmd $name => \&callback($pl,$packet);
820 1095
821Register a callbackf ro execution when the client sends an extcmd packet. 1096Register a callback for execution when the client sends an (synchronous)
1097extcmd packet. Ext commands will be processed in the order they are
1098received by the server, like other user commands. The first argument is
1099the logged-in player. Ext commands can only be processed after a player
1100has logged in successfully.
822 1101
823If the callback returns something, it is sent back as if reply was being 1102If the callback returns something, it is sent back as if reply was being
824called. 1103called.
825 1104
1105=item cf::register_exticmd $name => \&callback($ns,$packet);
1106
1107Register a callback for execution when the client sends an (asynchronous)
1108exticmd packet. Exti commands are processed by the server as soon as they
1109are received, i.e. out of order w.r.t. other commands. The first argument
1110is a client socket. Exti commands can be received anytime, even before
1111log-in.
1112
1113If the callback returns something, it is sent back as if reply was being
1114called.
1115
826=cut 1116=cut
827 1117
828sub register_extcmd { 1118sub register_extcmd {
829 my ($name, $cb) = @_; 1119 my ($name, $cb) = @_;
830 1120
831 $EXTCMD{$name} = $cb; 1121 $EXTCMD{$name} = $cb;
1122}
1123
1124sub register_exticmd {
1125 my ($name, $cb) = @_;
1126
1127 $EXTICMD{$name} = $cb;
832} 1128}
833 1129
834cf::player->attach ( 1130cf::player->attach (
835 on_command => sub { 1131 on_command => sub {
836 my ($pl, $name, $params) = @_; 1132 my ($pl, $name, $params) = @_;
845 cf::override; 1141 cf::override;
846 }, 1142 },
847 on_extcmd => sub { 1143 on_extcmd => sub {
848 my ($pl, $buf) = @_; 1144 my ($pl, $buf) = @_;
849 1145
850 my $msg = eval { from_json $buf }; 1146 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851 1147
852 if (ref $msg) { 1148 if (ref $msg) {
1149 my ($type, $reply, @payload) =
1150 "ARRAY" eq ref $msg
1151 ? @$msg
1152 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153
1154 my @reply;
1155
853 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1156 if (my $cb = $EXTCMD{$type}) {
854 if (my %reply = $cb->($pl, $msg)) { 1157 @reply = $cb->($pl, @payload);
855 $pl->ext_reply ($msg->{msgid}, %reply);
856 }
857 } 1158 }
1159
1160 $pl->ext_reply ($reply, @reply)
1161 if $reply;
1162
858 } else { 1163 } else {
859 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1164 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860 } 1165 }
861 1166
862 cf::override; 1167 cf::override;
863 }, 1168 },
864); 1169);
865 1170
866sub load_extension {
867 my ($path) = @_;
868
869 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
870 my $base = $1;
871 my $pkg = $1;
872 $pkg =~ s/[^[:word:]]/_/g;
873 $pkg = "ext::$pkg";
874
875 warn "... loading '$path' into '$pkg'\n";
876
877 open my $fh, "<:utf8", $path
878 or die "$path: $!";
879
880 my $source =
881 "package $pkg; use strict; use utf8;\n"
882 . "#line 1 \"$path\"\n{\n"
883 . (do { local $/; <$fh> })
884 . "\n};\n1";
885
886 unless (eval $source) {
887 my $msg = $@ ? "$path: $@\n"
888 : "extension disabled.\n";
889 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890 warn $@;
891 warn "mandatory extension failed to load, exiting.\n";
892 exit 1;
893 }
894 die $@;
895 }
896
897 push @EXTS, $pkg;
898}
899
900sub load_extensions { 1171sub load_extensions {
1172 cf::sync_job {
1173 my %todo;
1174
901 for my $ext (<$LIBDIR/*.ext>) { 1175 for my $path (<$LIBDIR/*.ext>) {
902 next unless -r $ext; 1176 next unless -r $path;
903 eval { 1177
904 load_extension $ext; 1178 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1179 my $base = $1;
1180 my $pkg = $1;
1181 $pkg =~ s/[^[:word:]]/_/g;
1182 $pkg = "ext::$pkg";
1183
1184 open my $fh, "<:utf8", $path
1185 or die "$path: $!";
1186
1187 my $source = do { local $/; <$fh> };
1188
1189 my %ext = (
1190 path => $path,
1191 base => $base,
1192 pkg => $pkg,
1193 );
1194
1195 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197
1198 $ext{source} =
1199 "package $pkg; use strict; use utf8;\n"
1200 . "#line 1 \"$path\"\n{\n"
1201 . $source
1202 . "\n};\n1";
1203
1204 $todo{$base} = \%ext;
1205 }
1206
1207 my %done;
1208 while (%todo) {
1209 my $progress;
1210
1211 while (my ($k, $v) = each %todo) {
1212 for (split /,\s*/, $v->{meta}{depends}) {
1213 goto skip
1214 unless exists $done{$_};
1215 }
1216
1217 warn "... loading '$k' into '$v->{pkg}'\n";
1218
1219 unless (eval $v->{source}) {
1220 my $msg = $@ ? "$v->{path}: $@\n"
1221 : "$v->{base}: extension inactive.\n";
1222
1223 if (exists $v->{meta}{mandatory}) {
1224 warn $msg;
1225 warn "mandatory extension failed to load, exiting.\n";
1226 exit 1;
1227 }
1228
1229 warn $msg;
1230 }
1231
1232 $done{$k} = delete $todo{$k};
1233 push @EXTS, $v->{pkg};
1234 $progress = 1;
905 1 1235 }
906 } or warn "$ext not loaded: $@"; 1236
1237 skip:
1238 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1239 unless $progress;
1240 }
907 } 1241 };
908} 1242}
909 1243
910############################################################################# 1244#############################################################################
911 1245
1246=back
1247
912=head2 CORE EXTENSIONS 1248=head2 CORE EXTENSIONS
913 1249
914Functions and methods that extend core crossfire objects. 1250Functions and methods that extend core crossfire objects.
915 1251
916=cut 1252=cut
928Returns the given player object, loading it if necessary (might block). 1264Returns the given player object, loading it if necessary (might block).
929 1265
930=cut 1266=cut
931 1267
932sub playerdir($) { 1268sub playerdir($) {
933 cf::localdir 1269 "$PLAYERDIR/"
934 . "/"
935 . cf::playerdir
936 . "/"
937 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1270 . (ref $_[0] ? $_[0]->ob->name : $_[0])
938} 1271}
939 1272
940sub path($) { 1273sub path($) {
941 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1274 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942 1275
943 (playerdir $login) . "/$login.pl" 1276 (playerdir $login) . "/playerdata"
944} 1277}
945 1278
946sub find_active($) { 1279sub find_active($) {
947 $cf::PLAYER{$_[0]} 1280 $cf::PLAYER{$_[0]}
948 and $cf::PLAYER{$_[0]}->active 1281 and $cf::PLAYER{$_[0]}->active
951 1284
952sub exists($) { 1285sub exists($) {
953 my ($login) = @_; 1286 my ($login) = @_;
954 1287
955 $cf::PLAYER{$login} 1288 $cf::PLAYER{$login}
956 or cf::sync_job { !aio_stat $login } 1289 or cf::sync_job { !aio_stat path $login }
957} 1290}
958 1291
959sub find($) { 1292sub find($) {
960 return $cf::PLAYER{$_[0]} || do { 1293 return $cf::PLAYER{$_[0]} || do {
961 my $login = $_[0]; 1294 my $login = $_[0];
962 1295
963 my $guard = cf::lock_acquire "user_find:$login"; 1296 my $guard = cf::lock_acquire "user_find:$login";
964 1297
965 $cf::PLAYER{$_[0]} || do { 1298 $cf::PLAYER{$_[0]} || do {
1299 # rename old playerfiles to new ones
1300 #TODO: remove when no longer required
1301 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304 aio_unlink +(playerdir $login) . "/$login.pl";
1305
966 my $pl = load_pl path $login 1306 my $pl = load_pl path $login
967 or return; 1307 or return;
968 $cf::PLAYER{$login} = $pl 1308 $cf::PLAYER{$login} = $pl
969 } 1309 }
970 } 1310 }
998 $cf::PLAYER{$login} = $self; 1338 $cf::PLAYER{$login} = $self;
999 1339
1000 $self 1340 $self
1001} 1341}
1002 1342
1343=item $player->send_msg ($channel, $msg, $color, [extra...])
1344
1345=cut
1346
1347sub send_msg {
1348 my $ns = shift->ns
1349 or return;
1350 $ns->send_msg (@_);
1351}
1352
1003=item $pl->quit_character 1353=item $pl->quit_character
1004 1354
1005Nukes the player without looking back. If logged in, the connection will 1355Nukes the player without looking back. If logged in, the connection will
1006be destroyed. May block for a long time. 1356be destroyed. May block for a long time.
1007 1357
1008=cut 1358=cut
1009 1359
1010sub quit_character { 1360sub quit_character {
1011 my ($pl) = @_; 1361 my ($pl) = @_;
1362
1363 my $name = $pl->ob->name;
1012 1364
1013 $pl->{deny_save} = 1; 1365 $pl->{deny_save} = 1;
1014 $pl->password ("*"); # this should lock out the player until we nuked the dir 1366 $pl->password ("*"); # this should lock out the player until we nuked the dir
1015 1367
1016 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1368 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1021 my $path = playerdir $pl; 1373 my $path = playerdir $pl;
1022 my $temp = "$path~$cf::RUNTIME~deleting~"; 1374 my $temp = "$path~$cf::RUNTIME~deleting~";
1023 aio_rename $path, $temp; 1375 aio_rename $path, $temp;
1024 delete $cf::PLAYER{$pl->ob->name}; 1376 delete $cf::PLAYER{$pl->ob->name};
1025 $pl->destroy; 1377 $pl->destroy;
1378
1379 my $prefix = qr<^~\Q$name\E/>;
1380
1381 # nuke player maps
1382 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1383
1026 IO::AIO::aio_rmtree $temp; 1384 IO::AIO::aio_rmtree $temp;
1385}
1386
1387=item $pl->kick
1388
1389Kicks a player out of the game. This destroys the connection.
1390
1391=cut
1392
1393sub kick {
1394 my ($pl, $kicker) = @_;
1395
1396 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1397 $pl->killer ("kicked");
1398 $pl->ns->destroy;
1027} 1399}
1028 1400
1029=item cf::player::list_logins 1401=item cf::player::list_logins
1030 1402
1031Returns am arrayref of all valid playernames in the system, can take a 1403Returns am arrayref of all valid playernames in the system, can take a
1032while and may block, so not sync_job-capable, ever. 1404while and may block, so not sync_job-capable, ever.
1033 1405
1034=cut 1406=cut
1035 1407
1036sub list_logins { 1408sub list_logins {
1037 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1409 my $dirs = aio_readdir $PLAYERDIR
1038 or return []; 1410 or return [];
1039 1411
1040 my @logins; 1412 my @logins;
1041 1413
1042 for my $login (@$dirs) { 1414 for my $login (@$dirs) {
1059=cut 1431=cut
1060 1432
1061sub maps($) { 1433sub maps($) {
1062 my ($pl) = @_; 1434 my ($pl) = @_;
1063 1435
1436 $pl = ref $pl ? $pl->ob->name : $pl;
1437
1064 my $files = aio_readdir playerdir $pl 1438 my $files = aio_readdir playerdir $pl
1065 or return; 1439 or return;
1066 1440
1067 my @paths; 1441 my @paths;
1068 1442
1069 for (@$files) { 1443 for (@$files) {
1070 utf8::decode $_; 1444 utf8::decode $_;
1071 next if /\.(?:pl|pst)$/; 1445 next if /\.(?:pl|pst)$/;
1072 next unless /^$PATH_SEP/o; 1446 next unless /^$PATH_SEP/o;
1073 1447
1074 s/\.map$//; 1448 push @paths, cf::map::normalise "~$pl/$_";
1075 push @paths, "~" . $pl->ob->name . "/" . $_;
1076 } 1449 }
1077 1450
1078 \@paths 1451 \@paths
1079} 1452}
1080 1453
1454=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1455
1456Expand crossfire pod fragments into protocol xml.
1457
1458=cut
1459
1460sub expand_cfpod {
1461 ((my $self), (local $_)) = @_;
1462
1463 # escape & and <
1464 s/&/&amp;/g;
1465 s/(?<![BIUGH])</&lt;/g;
1466
1467 # this is buggy, it needs to properly take care of nested <'s
1468
1469 1 while
1470 # replace B<>, I<>, U<> etc.
1471 s/B<([^\>]*)>/<b>$1<\/b>/
1472 || s/I<([^\>]*)>/<i>$1<\/i>/
1473 || s/U<([^\>]*)>/<u>$1<\/u>/
1474 # replace G<male|female> tags
1475 || s{G<([^>|]*)\|([^>]*)>}{
1476 $self->gender ? $2 : $1
1477 }ge
1478 # replace H<hint text>
1479 || s{H<([^\>]*)>}
1480 {
1481 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483 "")
1484 [$self->{hintmode}]
1485 }ge;
1486
1487 # create single paragraphs (very hackish)
1488 s/(?<=\S)\n(?=\w)/ /g;
1489
1490 # compress some whitespace
1491 s/\s+\n/\n/g; # ws line-ends
1492 s/\n\n+/\n/g; # double lines
1493 s/^\n+//; # beginning lines
1494 s/\n+$//; # ending lines
1495
1496 $_
1497}
1498
1499sub hintmode {
1500 $_[0]{hintmode} = $_[1] if @_ > 1;
1501 $_[0]{hintmode}
1502}
1503
1081=item $player->ext_reply ($msgid, $msgtype, %msg) 1504=item $player->ext_reply ($msgid, @msg)
1082 1505
1083Sends an ext reply to the player. 1506Sends an ext reply to the player.
1084 1507
1085=cut 1508=cut
1086 1509
1087sub ext_reply($$$%) { 1510sub ext_reply($$@) {
1088 my ($self, $id, %msg) = @_; 1511 my ($self, $id, @msg) = @_;
1089 1512
1090 $msg{msgid} = $id; 1513 $self->ns->ext_reply ($id, @msg)
1091
1092 $self->send ("ext " . cf::to_json \%msg);
1093} 1514}
1094 1515
1095package cf; 1516=item $player->ext_msg ($type, @msg)
1517
1518Sends an ext event to the client.
1519
1520=cut
1521
1522sub ext_msg($$@) {
1523 my ($self, $type, @msg) = @_;
1524
1525 $self->ns->ext_msg ($type, @msg);
1526}
1527
1528=head3 cf::region
1529
1530=over 4
1531
1532=cut
1533
1534package cf::region;
1535
1536=item cf::region::find_by_path $path
1537
1538Tries to decuce the likely region for a map knowing only its path.
1539
1540=cut
1541
1542sub find_by_path($) {
1543 my ($path) = @_;
1544
1545 my ($match, $specificity);
1546
1547 for my $region (list) {
1548 if ($region->{match} && $path =~ $region->{match}) {
1549 ($match, $specificity) = ($region, $region->specificity)
1550 if $region->specificity > $specificity;
1551 }
1552 }
1553
1554 $match
1555}
1096 1556
1097=back 1557=back
1098
1099 1558
1100=head3 cf::map 1559=head3 cf::map
1101 1560
1102=over 4 1561=over 4
1103 1562
1107 1566
1108use Fcntl; 1567use Fcntl;
1109use Coro::AIO; 1568use Coro::AIO;
1110 1569
1111use overload 1570use overload
1112 '""' => \&as_string; 1571 '""' => \&as_string,
1572 fallback => 1;
1113 1573
1114our $MAX_RESET = 3600; 1574our $MAX_RESET = 3600;
1115our $DEFAULT_RESET = 3000; 1575our $DEFAULT_RESET = 3000;
1116 1576
1117sub generate_random_map { 1577sub generate_random_map {
1118 my ($self, $rmp) = @_; 1578 my ($self, $rmp) = @_;
1119
1120 # mit "rum" bekleckern, nicht 1579 # mit "rum" bekleckern, nicht
1121 $self->_create_random_map ( 1580 $self->_create_random_map (
1122 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1581 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1582 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1583 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1590 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132 (cf::region::find $rmp->{region}), $rmp->{custom} 1591 (cf::region::find $rmp->{region}), $rmp->{custom}
1133 ) 1592 )
1134} 1593}
1135 1594
1595=item cf::map->register ($regex, $prio)
1596
1597Register a handler for the map path matching the given regex at the
1598givne priority (higher is better, built-in handlers have priority 0, the
1599default).
1600
1601=cut
1602
1136sub register { 1603sub register {
1137 my (undef, $regex) = @_; 1604 my (undef, $regex, $prio) = @_;
1138 my $pkg = caller; 1605 my $pkg = caller;
1139 1606
1140 no strict; 1607 no strict;
1141 push @{"$pkg\::ISA"}, __PACKAGE__; 1608 push @{"$pkg\::ISA"}, __PACKAGE__;
1142 1609
1143 $EXT_MAP{$pkg} = qr<$regex>; 1610 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144} 1611}
1145 1612
1146# also paths starting with '/' 1613# also paths starting with '/'
1147$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1614$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1615
1616sub thawer_merge {
1617 my ($self, $merge) = @_;
1618
1619 # we have to keep some variables in memory intact
1620 local $self->{path};
1621 local $self->{load_path};
1622
1623 $self->SUPER::thawer_merge ($merge);
1624}
1148 1625
1149sub normalise { 1626sub normalise {
1150 my ($path, $base) = @_; 1627 my ($path, $base) = @_;
1628
1629 $path = "$path"; # make sure its a string
1630
1631 $path =~ s/\.map$//;
1151 1632
1152 # map plan: 1633 # map plan:
1153 # 1634 #
1154 # /! non-realised random map exit (special hack!) 1635 # /! non-realised random map exit (special hack!)
1155 # {... are special paths that are not being touched 1636 # {... are special paths that are not being touched
1183 1664
1184 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1665 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185 1666
1186 $path = normalise $path, $base; 1667 $path = normalise $path, $base;
1187 1668
1188 for my $pkg (keys %EXT_MAP) { 1669 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189 if ($path =~ $EXT_MAP{$pkg}) { 1670 if ($path =~ $EXT_MAP{$pkg}[1]) {
1190 my $self = bless cf::map::new, $pkg; 1671 my $self = bless cf::map::new, $pkg;
1191 $self->{path} = $path; $self->path ($path); 1672 $self->{path} = $path; $self->path ($path);
1192 $self->init; # pass $1 etc. 1673 $self->init; # pass $1 etc.
1193 return $self; 1674 return $self;
1194 } 1675 }
1195 } 1676 }
1196 1677
1197 Carp::carp "unable to resolve path '$path'."; 1678 Carp::cluck "unable to resolve path '$path' (base '$base').";
1198 () 1679 ()
1199} 1680}
1200 1681
1201sub init { 1682sub init {
1202 my ($self) = @_; 1683 my ($self) = @_;
1217 1698
1218# the original (read-only) location 1699# the original (read-only) location
1219sub load_path { 1700sub load_path {
1220 my ($self) = @_; 1701 my ($self) = @_;
1221 1702
1222 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1703 "$MAPDIR/$self->{path}.map"
1223} 1704}
1224 1705
1225# the temporary/swap location 1706# the temporary/swap location
1226sub save_path { 1707sub save_path {
1227 my ($self) = @_; 1708 my ($self) = @_;
1228 1709
1229 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1710 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1711 "$TMPDIR/$path.map"
1231} 1712}
1232 1713
1233# the unique path, undef == no special unique path 1714# the unique path, undef == no special unique path
1234sub uniq_path { 1715sub uniq_path {
1235 my ($self) = @_; 1716 my ($self) = @_;
1236 1717
1237 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1718 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1719 "$UNIQUEDIR/$path"
1239} 1720}
1240 1721
1241# and all this just because we cannot iterate over 1722# and all this just because we cannot iterate over
1242# all maps in C++... 1723# all maps in C++...
1243sub change_all_map_light { 1724sub change_all_map_light {
1245 1726
1246 $_->change_map_light ($change) 1727 $_->change_map_light ($change)
1247 for grep $_->outdoor, values %cf::MAP; 1728 for grep $_->outdoor, values %cf::MAP;
1248} 1729}
1249 1730
1731sub decay_objects {
1732 my ($self) = @_;
1733
1734 return if $self->{deny_reset};
1735
1736 $self->do_decay_objects;
1737}
1738
1250sub unlink_save { 1739sub unlink_save {
1251 my ($self) = @_; 1740 my ($self) = @_;
1252 1741
1253 utf8::encode (my $save = $self->save_path); 1742 utf8::encode (my $save = $self->save_path);
1254 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1743 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1744 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256} 1745}
1257 1746
1258sub load_header_from($) { 1747sub load_header_from($) {
1259 my ($self, $path) = @_; 1748 my ($self, $path) = @_;
1260 1749
1261 utf8::encode $path; 1750 utf8::encode $path;
1262 aio_open $path, O_RDONLY, 0 1751 #aio_open $path, O_RDONLY, 0
1263 or return; 1752 # or return;
1264 1753
1265 $self->_load_header ($path) 1754 $self->_load_header ($path)
1266 or return; 1755 or return;
1267 1756
1268 $self->{load_path} = $path; 1757 $self->{load_path} = $path;
1269 1758
1270 1 1759 1
1271} 1760}
1272 1761
1273sub load_orig { 1762sub load_header_orig {
1274 my ($self) = @_; 1763 my ($self) = @_;
1275 1764
1276 $self->load_header_from ($self->load_path) 1765 $self->load_header_from ($self->load_path)
1277} 1766}
1278 1767
1279sub load_temp { 1768sub load_header_temp {
1280 my ($self) = @_; 1769 my ($self) = @_;
1281 1770
1282 $self->load_header_from ($self->save_path) 1771 $self->load_header_from ($self->save_path)
1772}
1773
1774sub prepare_temp {
1775 my ($self) = @_;
1776
1777 $self->last_access ((delete $self->{last_access})
1778 || $cf::RUNTIME); #d#
1779 # safety
1780 $self->{instantiate_time} = $cf::RUNTIME
1781 if $self->{instantiate_time} > $cf::RUNTIME;
1782}
1783
1784sub prepare_orig {
1785 my ($self) = @_;
1786
1787 $self->{load_original} = 1;
1788 $self->{instantiate_time} = $cf::RUNTIME;
1789 $self->last_access ($cf::RUNTIME);
1790 $self->instantiate;
1283} 1791}
1284 1792
1285sub load_header { 1793sub load_header {
1286 my ($self) = @_; 1794 my ($self) = @_;
1287 1795
1288 if ($self->load_temp) { 1796 if ($self->load_header_temp) {
1289 $self->last_access ((delete $self->{last_access}) 1797 $self->prepare_temp;
1290 || $cf::RUNTIME); #d#
1291 # safety
1292 $self->{instantiate_time} = $cf::RUNTIME
1293 if $self->{instantiate_time} > $cf::RUNTIME;
1294 } else { 1798 } else {
1295 $self->load_orig 1799 $self->load_header_orig
1296 or return; 1800 or return;
1297 1801 $self->prepare_orig;
1298 $self->{load_original} = 1;
1299 $self->{instantiate_time} = $cf::RUNTIME;
1300 $self->last_access ($cf::RUNTIME);
1301 $self->instantiate;
1302 } 1802 }
1803
1804 $self->{deny_reset} = 1
1805 if $self->no_reset;
1806
1807 $self->default_region (cf::region::find_by_path $self->{path})
1808 unless $self->default_region;
1303 1809
1304 1 1810 1
1305} 1811}
1306 1812
1307sub find; 1813sub find;
1320 $map->{last_save} = $cf::RUNTIME; 1826 $map->{last_save} = $cf::RUNTIME;
1321 1827
1322 $map->load_header 1828 $map->load_header
1323 or return; 1829 or return;
1324 1830
1325 if ($map->should_reset) { 1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832 # doing this can freeze the server in a sync job, obviously
1833 #$cf::WAIT_FOR_TICK->wait;
1326 $map->reset; 1834 $map->reset;
1327 undef $guard; 1835 undef $guard;
1328 $map = find $path 1836 return find $path;
1329 or return;
1330 } 1837 }
1331 1838
1332 $cf::MAP{$path} = $map 1839 $cf::MAP{$path} = $map
1333 } 1840 }
1334} 1841}
1842
1843sub pre_load { }
1844sub post_load { }
1335 1845
1336sub load { 1846sub load {
1337 my ($self) = @_; 1847 my ($self) = @_;
1338 1848
1849 local $self->{deny_reset} = 1; # loading can take a long time
1850
1339 my $path = $self->{path}; 1851 my $path = $self->{path};
1852
1853 {
1340 my $guard = cf::lock_acquire "map_load:$path"; 1854 my $guard = cf::lock_acquire "map_load:$path";
1341 1855
1342 return if $self->in_memory != cf::MAP_SWAPPED; 1856 return if $self->in_memory != cf::MAP_SWAPPED;
1343 1857
1344 $self->in_memory (cf::MAP_LOADING); 1858 $self->in_memory (cf::MAP_LOADING);
1345 1859
1346 $self->alloc; 1860 $self->alloc;
1347 $self->_load_objects ($self->{load_path}, 1)
1348 or return;
1349 1861
1350 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1862 $self->pre_load;
1351 if delete $self->{load_original};
1352
1353 if (my $uniq = $self->uniq_path) {
1354 utf8::encode $uniq;
1355 if (aio_open $uniq, O_RDONLY, 0) {
1356 $self->clear_unique_items;
1357 $self->_load_objects ($uniq, 0);
1358 }
1359 }
1360
1361 Coro::cede;
1362
1363 # now do the right thing for maps
1364 $self->link_multipart_objects;
1365
1366 unless ($self->{deny_activate}) {
1367 $self->decay_objects;
1368 $self->fix_auto_apply;
1369 $self->update_buttons;
1370 Coro::cede; 1863 Coro::cede;
1371 $self->set_darkness_map; 1864
1865 $self->_load_objects ($self->{load_path}, 1)
1866 or return;
1867
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869 if delete $self->{load_original};
1870
1871 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) {
1874 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0);
1876 }
1877 }
1878
1879 Coro::cede;
1880 # now do the right thing for maps
1881 $self->link_multipart_objects;
1372 $self->difficulty ($self->estimate_difficulty) 1882 $self->difficulty ($self->estimate_difficulty)
1373 unless $self->difficulty; 1883 unless $self->difficulty;
1374 Coro::cede; 1884 Coro::cede;
1885
1886 unless ($self->{deny_activate}) {
1887 $self->decay_objects;
1888 $self->fix_auto_apply;
1889 $self->update_buttons;
1890 Coro::cede;
1891 $self->set_darkness_map;
1892 Coro::cede;
1375 $self->activate; 1893 $self->activate;
1376 } 1894 }
1377 1895
1896 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME);
1898
1378 $self->in_memory (cf::MAP_IN_MEMORY); 1899 $self->in_memory (cf::MAP_IN_MEMORY);
1900 }
1901
1902 $self->post_load;
1379} 1903}
1380 1904
1381sub customise_for { 1905sub customise_for {
1382 my ($self, $ob) = @_; 1906 my ($self, $ob) = @_;
1383 1907
1384 return find "~" . $ob->name . "/" . $self->{path} 1908 return find "~" . $ob->name . "/" . $self->{path}
1385 if $self->per_player; 1909 if $self->per_player;
1386 1910
1911# return find "?party/" . $ob->name . "/" . $self->{path}
1912# if $self->per_party;
1913
1387 $self 1914 $self
1388} 1915}
1389 1916
1390# find and load all maps in the 3x3 area around a map 1917# find and load all maps in the 3x3 area around a map
1391sub load_diag { 1918sub load_neighbours {
1392 my ($map) = @_; 1919 my ($map) = @_;
1393 1920
1394 my @diag; # diagonal neighbours 1921 my @neigh; # diagonal neighbours
1395 1922
1396 for (0 .. 3) { 1923 for (0 .. 3) {
1397 my $neigh = $map->tile_path ($_) 1924 my $neigh = $map->tile_path ($_)
1398 or next; 1925 or next;
1399 $neigh = find $neigh, $map 1926 $neigh = find $neigh, $map
1400 or next; 1927 or next;
1401 $neigh->load; 1928 $neigh->load;
1402 1929
1930 push @neigh,
1403 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1931 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1404 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1932 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1405 } 1933 }
1406 1934
1407 for (@diag) { 1935 for (grep defined $_->[0], @neigh) {
1936 my ($path, $origin) = @$_;
1408 my $neigh = find @$_ 1937 my $neigh = find $path, $origin
1409 or next; 1938 or next;
1410 $neigh->load; 1939 $neigh->load;
1411 } 1940 }
1412} 1941}
1413 1942
1418} 1947}
1419 1948
1420sub do_load_sync { 1949sub do_load_sync {
1421 my ($map) = @_; 1950 my ($map) = @_;
1422 1951
1952 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1953 if $Coro::current == $Coro::main;
1954
1423 cf::sync_job { $map->load }; 1955 cf::sync_job { $map->load };
1424} 1956}
1425 1957
1426our %MAP_PREFETCH; 1958our %MAP_PREFETCH;
1427our $MAP_PREFETCHER = Coro::async { 1959our $MAP_PREFETCHER = undef;
1428 while () {
1429 for my $path (keys %MAP_PREFETCH) {
1430 my $map = find $path
1431 or next;
1432 $map->load;
1433
1434 delete $MAP_PREFETCH{$path};
1435 }
1436 Coro::schedule;
1437 }
1438};
1439 1960
1440sub find_async { 1961sub find_async {
1441 my ($path, $origin) = @_; 1962 my ($path, $origin, $load) = @_;
1442 1963
1443 $path = normalise $path, $origin && $origin->{path}; 1964 $path = normalise $path, $origin && $origin->{path};
1444 1965
1445 if (my $map = $cf::MAP{$path}) { 1966 if (my $map = $cf::MAP{$path}) {
1446 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1967 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1968 }
1969
1970 $MAP_PREFETCH{$path} |= $load;
1971
1972 $MAP_PREFETCHER ||= cf::async {
1973 while (%MAP_PREFETCH) {
1974 while (my ($k, $v) = each %MAP_PREFETCH) {
1975 if (my $map = find $k) {
1976 $map->load if $v;
1977 }
1978
1979 delete $MAP_PREFETCH{$k};
1980 }
1981 }
1982 undef $MAP_PREFETCHER;
1447 } 1983 };
1448
1449 $MAP_PREFETCH{$path} = 0;
1450 $MAP_PREFETCHER->ready; 1984 $MAP_PREFETCHER->prio (6);
1451 1985
1452 () 1986 ()
1453} 1987}
1454 1988
1455sub save { 1989sub save {
1500 2034
1501sub reset_at { 2035sub reset_at {
1502 my ($self) = @_; 2036 my ($self) = @_;
1503 2037
1504 # TODO: safety, remove and allow resettable per-player maps 2038 # TODO: safety, remove and allow resettable per-player maps
1505 return 1e99 if $self->isa ("ext::map_per_player");#d#
1506 return 1e99 if $self->{deny_reset}; 2039 return 1e99 if $self->{deny_reset};
1507 2040
1508 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2041 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2042 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510 2043
1515 my ($self) = @_; 2048 my ($self) = @_;
1516 2049
1517 $self->reset_at <= $cf::RUNTIME 2050 $self->reset_at <= $cf::RUNTIME
1518} 2051}
1519 2052
1520sub rename {
1521 my ($self, $new_path) = @_;
1522
1523 normalise $new_path;
1524
1525 $self->unlink_save;
1526
1527 delete $cf::MAP{$self->path};
1528 $self->{path} = $new_path; $self->path ($self->{path});
1529 $cf::MAP{$self->path} = $self;
1530
1531 $self->save;
1532}
1533
1534sub reset { 2053sub reset {
1535 my ($self) = @_; 2054 my ($self) = @_;
1536 2055
1537 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2056 my $lock = cf::lock_acquire "map_data:$self->{path}";
1538 2057
1539 return if $self->players; 2058 return if $self->players;
1540 return if $self->isa ("ext::map_per_player");#d#
1541 2059
1542 warn "resetting map ", $self->path;#d# 2060 warn "resetting map ", $self->path;
2061
2062 $self->in_memory (cf::MAP_SWAPPED);
2063
2064 # need to save uniques path
2065 unless ($self->{deny_save}) {
2066 my $uniq = $self->uniq_path; utf8::encode $uniq;
2067
2068 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2069 if $uniq;
2070 }
1543 2071
1544 delete $cf::MAP{$self->path}; 2072 delete $cf::MAP{$self->path};
1545 2073
1546 $self->in_memory (cf::MAP_SWAPPED);
1547 $self->clear; 2074 $self->clear;
1548 2075
1549 $_->clear_links_to ($self) for values %cf::MAP; 2076 $_->clear_links_to ($self) for values %cf::MAP;
1550 2077
1551 $self->unlink_save; 2078 $self->unlink_save;
1555my $nuke_counter = "aaaa"; 2082my $nuke_counter = "aaaa";
1556 2083
1557sub nuke { 2084sub nuke {
1558 my ($self) = @_; 2085 my ($self) = @_;
1559 2086
2087 delete $cf::MAP{$self->path};
2088
2089 $self->unlink_save;
2090
2091 bless $self, "cf::map";
2092 delete $self->{deny_reset};
1560 $self->{deny_save} = 1; 2093 $self->{deny_save} = 1;
1561 $self->reset_timeout (1); 2094 $self->reset_timeout (1);
1562 $self->rename ("{nuke}/" . ($nuke_counter++)); 2095 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096
2097 $cf::MAP{$self->path} = $self;
2098
1563 $self->reset; # polite request, might not happen 2099 $self->reset; # polite request, might not happen
2100}
2101
2102=item $maps = cf::map::tmp_maps
2103
2104Returns an arrayref with all map paths of currently instantiated and saved
2105maps. May block.
2106
2107=cut
2108
2109sub tmp_maps() {
2110 [
2111 map {
2112 utf8::decode $_;
2113 /\.map$/
2114 ? normalise $_
2115 : ()
2116 } @{ aio_readdir $TMPDIR or [] }
2117 ]
2118}
2119
2120=item $maps = cf::map::random_maps
2121
2122Returns an arrayref with all map paths of currently instantiated and saved
2123random maps. May block.
2124
2125=cut
2126
2127sub random_maps() {
2128 [
2129 map {
2130 utf8::decode $_;
2131 /\.map$/
2132 ? normalise "?random/$_"
2133 : ()
2134 } @{ aio_readdir $RANDOMDIR or [] }
2135 ]
1564} 2136}
1565 2137
1566=item cf::map::unique_maps 2138=item cf::map::unique_maps
1567 2139
1568Returns an arrayref of paths of all shared maps that have 2140Returns an arrayref of paths of all shared maps that have
1569instantiated unique items. May block. 2141instantiated unique items. May block.
1570 2142
1571=cut 2143=cut
1572 2144
1573sub unique_maps() { 2145sub unique_maps() {
1574 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2146 [
1575 or return; 2147 map {
1576
1577 my @paths;
1578
1579 for (@$files) {
1580 utf8::decode $_; 2148 utf8::decode $_;
1581 next if /\.pst$/;
1582 next unless /^$PATH_SEP/o;
1583
1584 s/\.map$//; 2149 /\.map$/
1585 push @paths, $_; 2150 ? normalise $_
2151 : ()
2152 } @{ aio_readdir $UNIQUEDIR or [] }
1586 } 2153 ]
1587
1588 \@paths
1589} 2154}
1590 2155
1591package cf; 2156package cf;
1592 2157
1593=back 2158=back
1639 2204
1640 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2205 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641 2206
1642 if ($self->{record_replies}) { 2207 if ($self->{record_replies}) {
1643 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2208 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2209
1644 } else { 2210 } else {
2211 my $pl = $self->contr;
2212
2213 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2214 my $dialog = $pl->{npc_dialog};
2215 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216
2217 } else {
1645 $msg = $npc->name . " says: $msg" if $npc; 2218 $msg = $npc->name . " says: $msg" if $npc;
1646 $self->message ($msg, $flags); 2219 $self->message ($msg, $flags);
2220 }
1647 } 2221 }
2222}
2223
2224=item $object->send_msg ($channel, $msg, $color, [extra...])
2225
2226=cut
2227
2228sub cf::object::send_msg {
2229 my $pl = shift->contr
2230 or return;
2231 $pl->send_msg (@_);
1648} 2232}
1649 2233
1650=item $player_object->may ("access") 2234=item $player_object->may ("access")
1651 2235
1652Returns wether the given player is authorized to access resource "access" 2236Returns wether the given player is authorized to access resource "access"
1684=cut 2268=cut
1685 2269
1686sub link_map { 2270sub link_map {
1687 unless ($LINK_MAP) { 2271 unless ($LINK_MAP) {
1688 $LINK_MAP = cf::map::find "{link}" 2272 $LINK_MAP = cf::map::find "{link}"
1689 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2273 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690 $LINK_MAP->load; 2274 $LINK_MAP->load;
1691 } 2275 }
1692 2276
1693 $LINK_MAP 2277 $LINK_MAP
1694} 2278}
1699 $self->deactivate_recursive; 2283 $self->deactivate_recursive;
1700 2284
1701 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2285 return if UNIVERSAL::isa $self->map, "ext::map_link";
1702 2286
1703 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2287 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704 if $self->map; 2288 if $self->map && $self->map->{path} ne "{link}";
1705 2289
1706 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2290 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1707} 2291}
1708 2292
1709sub cf::object::player::leave_link { 2293sub cf::object::player::leave_link {
1710 my ($self, $map, $x, $y) = @_; 2294 my ($self, $map, $x, $y) = @_;
2295
2296 return unless $self->contr->active;
1711 2297
1712 my $link_pos = delete $self->{_link_pos}; 2298 my $link_pos = delete $self->{_link_pos};
1713 2299
1714 unless ($map) { 2300 unless ($map) {
1715 # restore original map position 2301 # restore original map position
1729 # use -1 or undef as default coordinates, not 0, 0 2315 # use -1 or undef as default coordinates, not 0, 0
1730 ($x, $y) = ($map->enter_x, $map->enter_y) 2316 ($x, $y) = ($map->enter_x, $map->enter_y)
1731 if $x <=0 && $y <= 0; 2317 if $x <=0 && $y <= 0;
1732 2318
1733 $map->load; 2319 $map->load;
1734 $map->load_diag; 2320 $map->load_neighbours;
1735 2321
1736 return unless $self->contr->active; 2322 return unless $self->contr->active;
1737 $self->activate_recursive; 2323 $self->activate_recursive;
2324
2325 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738 $self->enter_map ($map, $x, $y); 2326 $self->enter_map ($map, $x, $y);
1739} 2327}
1740 2328
1741cf::player->attach ( 2329=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742 on_logout => sub {
1743 my ($pl) = @_;
1744 2330
1745 # abort map switching before logout 2331Moves the player to the given map-path and coordinates by first freezing
1746 if ($pl->ob->{_link_pos}) { 2332her, loading and preparing them map, calling the provided $check callback
1747 cf::sync_job { 2333that has to return the map if sucecssful, and then unfreezes the player on
1748 $pl->ob->leave_link 2334the new (success) or old (failed) map position. In either case, $done will
1749 }; 2335be called at the end of this process.
1750 }
1751 },
1752 on_login => sub {
1753 my ($pl) = @_;
1754 2336
1755 # try to abort aborted map switching on player login :)
1756 # should happen only on crashes
1757 if ($pl->ob->{_link_pos}) {
1758 $pl->ob->enter_link;
1759 (async {
1760 # we need this sleep as the login has a concurrent enter_exit running
1761 # and this sleep increases chances of the player not ending up in scorn
1762 $pl->ob->reply (undef,
1763 "There was an internal problem at your last logout, "
1764 . "the server will try to bring you to your intended destination in a second.",
1765 cf::NDI_RED);
1766 Coro::Timer::sleep 1;
1767 $pl->ob->leave_link;
1768 })->prio (2);
1769 }
1770 },
1771);
1772
1773=item $player_object->goto ($path, $x, $y)
1774
1775=cut 2337=cut
2338
2339our $GOTOGEN;
1776 2340
1777sub cf::object::player::goto { 2341sub cf::object::player::goto {
1778 my ($self, $path, $x, $y) = @_; 2342 my ($self, $path, $x, $y, $check, $done) = @_;
2343
2344 # do generation counting so two concurrent goto's will be executed in-order
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779 2346
1780 $self->enter_link; 2347 $self->enter_link;
1781 2348
1782 (async { 2349 (async {
2350 my $map = eval {
1783 my $map = cf::map::find $path; 2351 my $map = cf::map::find $path;
2352
2353 if ($map) {
1784 $map = $map->customise_for ($self) if $map; 2354 $map = $map->customise_for ($self);
1785 2355 $map = $check->($map) if $check && $map;
1786# warn "entering ", $map->path, " at ($x, $y)\n" 2356 } else {
1787# if $map;
1788
1789 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2358 }
1790 2359
2360 $map
2361 };
2362
2363 if ($@) {
2364 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2365 LOG llevError | logBacktrace, Carp::longmess $@;
2366 }
2367
2368 if ($gen == $self->{_goto_generation}) {
2369 delete $self->{_goto_generation};
1791 $self->leave_link ($map, $x, $y); 2370 $self->leave_link ($map, $x, $y);
2371 }
2372
2373 $done->() if $done;
1792 })->prio (1); 2374 })->prio (1);
1793} 2375}
1794 2376
1795=item $player_object->enter_exit ($exit_object) 2377=item $player_object->enter_exit ($exit_object)
1796 2378
1798 2380
1799sub parse_random_map_params { 2381sub parse_random_map_params {
1800 my ($spec) = @_; 2382 my ($spec) = @_;
1801 2383
1802 my $rmp = { # defaults 2384 my $rmp = { # defaults
1803 xsize => 10, 2385 xsize => (cf::rndm 15, 40),
1804 ysize => 10, 2386 ysize => (cf::rndm 15, 40),
2387 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2388 #layout => string,
1805 }; 2389 };
1806 2390
1807 for (split /\n/, $spec) { 2391 for (split /\n/, $spec) {
1808 my ($k, $v) = split /\s+/, $_, 2; 2392 my ($k, $v) = split /\s+/, $_, 2;
1809 2393
1813 $rmp 2397 $rmp
1814} 2398}
1815 2399
1816sub prepare_random_map { 2400sub prepare_random_map {
1817 my ($exit) = @_; 2401 my ($exit) = @_;
2402
2403 my $guard = cf::lock_acquire "exit_prepare:$exit";
1818 2404
1819 # all this does is basically replace the /! path by 2405 # all this does is basically replace the /! path by
1820 # a new random map path (?random/...) with a seed 2406 # a new random map path (?random/...) with a seed
1821 # that depends on the exit object 2407 # that depends on the exit object
1822 2408
1823 my $rmp = parse_random_map_params $exit->msg; 2409 my $rmp = parse_random_map_params $exit->msg;
1824 2410
1825 if ($exit->map) { 2411 if ($exit->map) {
1826 $rmp->{region} = $exit->map->region_name; 2412 $rmp->{region} = $exit->region->name;
1827 $rmp->{origin_map} = $exit->map->path; 2413 $rmp->{origin_map} = $exit->map->path;
1828 $rmp->{origin_x} = $exit->x; 2414 $rmp->{origin_x} = $exit->x;
1829 $rmp->{origin_y} = $exit->y; 2415 $rmp->{origin_y} = $exit->y;
1830 } 2416 }
1831 2417
1832 $rmp->{random_seed} ||= $exit->random_seed; 2418 $rmp->{random_seed} ||= $exit->random_seed;
1833 2419
1834 my $data = cf::to_json $rmp; 2420 my $data = cf::to_json $rmp;
1835 my $md5 = Digest::MD5::md5_hex $data; 2421 my $md5 = Digest::MD5::md5_hex $data;
2422 my $meta = "$RANDOMDIR/$md5.meta";
1836 2423
1837 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838 aio_write $fh, 0, (length $data), $data, 0; 2425 aio_write $fh, 0, (length $data), $data, 0;
2426 undef $fh;
2427 aio_rename "$meta~", $meta;
1839 2428
1840 $exit->slaying ("?random/$md5"); 2429 $exit->slaying ("?random/$md5");
1841 $exit->msg (undef); 2430 $exit->msg (undef);
1842 } 2431 }
1843} 2432}
1845sub cf::object::player::enter_exit { 2434sub cf::object::player::enter_exit {
1846 my ($self, $exit) = @_; 2435 my ($self, $exit) = @_;
1847 2436
1848 return unless $self->type == cf::PLAYER; 2437 return unless $self->type == cf::PLAYER;
1849 2438
2439 if ($exit->slaying eq "/!") {
2440 #TODO: this should de-fi-ni-te-ly not be a sync-job
2441 # the problem is that $exit might not survive long enough
2442 # so it needs to be done right now, right here
2443 cf::sync_job { prepare_random_map $exit };
2444 }
2445
2446 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447 my $hp = $exit->stats->hp;
2448 my $sp = $exit->stats->sp;
2449
1850 $self->enter_link; 2450 $self->enter_link;
2451
2452 # if exit is damned, update players death & WoR home-position
2453 $self->contr->savebed ($slaying, $hp, $sp)
2454 if $exit->flag (FLAG_DAMNED);
1851 2455
1852 (async { 2456 (async {
1853 $self->deactivate_recursive; # just to be sure 2457 $self->deactivate_recursive; # just to be sure
1854 unless (eval { 2458 unless (eval {
1855 prepare_random_map $exit 2459 $self->goto ($slaying, $hp, $sp);
1856 if $exit->slaying eq "/!";
1857
1858 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860 2460
1861 1; 2461 1;
1862 }) { 2462 }) {
1863 $self->message ("Something went wrong deep within the crossfire server. " 2463 $self->message ("Something went wrong deep within the crossfire server. "
1864 . "I'll try to bring you back to the map you were before. " 2464 . "I'll try to bring you back to the map you were before. "
1865 . "Please report this to the dungeon master!", 2465 . "Please report this to the dungeon master!",
1866 cf::NDI_UNIQUE | cf::NDI_RED); 2466 cf::NDI_UNIQUE | cf::NDI_RED);
1867 2467
1868 warn "ERROR in enter_exit: $@"; 2468 warn "ERROR in enter_exit: $@";
1869 $self->leave_link; 2469 $self->leave_link;
1870 } 2470 }
1871 })->prio (1); 2471 })->prio (1);
1884 2484
1885sub cf::client::send_drawinfo { 2485sub cf::client::send_drawinfo {
1886 my ($self, $text, $flags) = @_; 2486 my ($self, $text, $flags) = @_;
1887 2487
1888 utf8::encode $text; 2488 utf8::encode $text;
1889 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2489 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890} 2490}
1891 2491
2492=item $client->send_msg ($channel, $msg, $color, [extra...])
2493
2494Send a drawinfo or msg packet to the client, formatting the msg for the
2495client if neccessary. C<$type> should be a string identifying the type of
2496the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet.
2498
2499=cut
2500
2501sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_;
2503
2504 $msg = $self->pl->expand_cfpod ($msg);
2505
2506 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507
2508 if (ref $channel) {
2509 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel);
2513 }
2514
2515 $channel = $channel->{id};
2516 }
2517
2518 return unless @extra || length $msg;
2519
2520 if ($self->can_msg) {
2521 # default colour, mask it out
2522 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523 if $color & cf::NDI_DEF;
2524
2525 $self->send_packet ("msg " . $self->{json_coder}->encode (
2526 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2527 } else {
2528 if ($color >= 0) {
2529 # replace some tags by gcfclient-compatible ones
2530 for ($msg) {
2531 1 while
2532 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537 }
2538
2539 $color &= cf::NDI_COLOR_MASK;
2540
2541 utf8::encode $msg;
2542
2543 if (0 && $msg =~ /\[/) {
2544 # COMMAND/INFO
2545 $self->send_packet ("drawextinfo $color 10 8 $msg")
2546 } else {
2547 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548 $self->send_packet ("drawinfo $color $msg")
2549 }
2550 }
2551 }
2552}
2553
2554=item $client->ext_msg ($type, @msg)
2555
2556Sends an ext event to the client.
2557
2558=cut
2559
2560sub cf::client::ext_msg($$@) {
2561 my ($self, $type, @msg) = @_;
2562
2563 if ($self->extcmd == 2) {
2564 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2565 } elsif ($self->extcmd == 1) { # TODO: remove
2566 push @msg, msgtype => "event_$type";
2567 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2568 }
2569}
2570
2571=item $client->ext_reply ($msgid, @msg)
2572
2573Sends an ext reply to the client.
2574
2575=cut
2576
2577sub cf::client::ext_reply($$@) {
2578 my ($self, $id, @msg) = @_;
2579
2580 if ($self->extcmd == 2) {
2581 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2582 } elsif ($self->extcmd == 1) {
2583 #TODO: version 1, remove
2584 unshift @msg, msgtype => "reply", msgid => $id;
2585 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2586 }
2587}
1892 2588
1893=item $success = $client->query ($flags, "text", \&cb) 2589=item $success = $client->query ($flags, "text", \&cb)
1894 2590
1895Queues a query to the client, calling the given callback with 2591Queues a query to the client, calling the given callback with
1896the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2592the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2593C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898 2594
1899Queries can fail, so check the return code. Or don't, as queries will become 2595Queries can fail, so check the return code. Or don't, as queries will
1900reliable at some point in the future. 2596become reliable at some point in the future.
1901 2597
1902=cut 2598=cut
1903 2599
1904sub cf::client::query { 2600sub cf::client::query {
1905 my ($self, $flags, $text, $cb) = @_; 2601 my ($self, $flags, $text, $cb) = @_;
1913 utf8::encode $text; 2609 utf8::encode $text;
1914 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2610 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915 2611
1916 $self->send_packet ($self->{query_queue}[0][0]) 2612 $self->send_packet ($self->{query_queue}[0][0])
1917 if @{ $self->{query_queue} } == 1; 2613 if @{ $self->{query_queue} } == 1;
2614
2615 1
1918} 2616}
1919 2617
1920cf::client->attach ( 2618cf::client->attach (
2619 on_connect => sub {
2620 my ($ns) = @_;
2621
2622 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2623 },
1921 on_reply => sub { 2624 on_reply => sub {
1922 my ($ns, $msg) = @_; 2625 my ($ns, $msg) = @_;
1923 2626
1924 # this weird shuffling is so that direct followup queries 2627 # this weird shuffling is so that direct followup queries
1925 # get handled first 2628 # get handled first
1926 my $queue = delete $ns->{query_queue} 2629 my $queue = delete $ns->{query_queue}
1927 or return; # be conservative, not sure how that can happen, but we saw a crash here 2630 or return; # be conservative, not sure how that can happen, but we saw a crash here
1928 2631
1929 (shift @$queue)->[1]->($msg); 2632 (shift @$queue)->[1]->($msg);
2633 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930 2634
1931 push @{ $ns->{query_queue} }, @$queue; 2635 push @{ $ns->{query_queue} }, @$queue;
1932 2636
1933 if (@{ $ns->{query_queue} } == @$queue) { 2637 if (@{ $ns->{query_queue} } == @$queue) {
1934 if (@$queue) { 2638 if (@$queue) {
1936 } else { 2640 } else {
1937 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2641 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938 } 2642 }
1939 } 2643 }
1940 }, 2644 },
2645 on_exticmd => sub {
2646 my ($ns, $buf) = @_;
2647
2648 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2649
2650 if (ref $msg) {
2651 my ($type, $reply, @payload) =
2652 "ARRAY" eq ref $msg
2653 ? @$msg
2654 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2655
2656 my @reply;
2657
2658 if (my $cb = $EXTICMD{$type}) {
2659 @reply = $cb->($ns, @payload);
2660 }
2661
2662 $ns->ext_reply ($reply, @reply)
2663 if $reply;
2664
2665 } else {
2666 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2667 }
2668
2669 cf::override;
2670 },
1941); 2671);
1942 2672
1943=item $client->async (\&cb) 2673=item $client->async (\&cb)
1944 2674
1945Create a new coroutine, running the specified callback. The coroutine will 2675Create a new coroutine, running the specified callback. The coroutine will
1986our $safe = new Safe "safe"; 2716our $safe = new Safe "safe";
1987our $safe_hole = new Safe::Hole; 2717our $safe_hole = new Safe::Hole;
1988 2718
1989$SIG{FPE} = 'IGNORE'; 2719$SIG{FPE} = 'IGNORE';
1990 2720
1991$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2721$safe->permit_only (Opcode::opset qw(
2722 :base_core :base_mem :base_orig :base_math
2723 grepstart grepwhile mapstart mapwhile
2724 sort time
2725));
1992 2726
1993# here we export the classes and methods available to script code 2727# here we export the classes and methods available to script code
1994 2728
1995=pod 2729=pod
1996 2730
1997The following fucntions and emthods are available within a safe environment: 2731The following functions and methods are available within a safe environment:
1998 2732
1999 cf::object contr pay_amount pay_player map 2733 cf::object
2734 contr pay_amount pay_player map x y force_find force_add
2735 insert remove name archname title slaying race decrease_ob_nr
2736
2000 cf::object::player player 2737 cf::object::player
2001 cf::player peaceful 2738 player
2002 cf::map trigger 2739
2740 cf::player
2741 peaceful
2742
2743 cf::map
2744 trigger
2003 2745
2004=cut 2746=cut
2005 2747
2006for ( 2748for (
2007 ["cf::object" => qw(contr pay_amount pay_player map)], 2749 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750 insert remove inv name archname title slaying race
2751 decrease_ob_nr)],
2008 ["cf::object::player" => qw(player)], 2752 ["cf::object::player" => qw(player)],
2009 ["cf::player" => qw(peaceful)], 2753 ["cf::player" => qw(peaceful)],
2010 ["cf::map" => qw(trigger)], 2754 ["cf::map" => qw(trigger)],
2011) { 2755) {
2012 no strict 'refs'; 2756 no strict 'refs';
2083=back 2827=back
2084 2828
2085=cut 2829=cut
2086 2830
2087############################################################################# 2831#############################################################################
2832# the server's init and main functions
2088 2833
2089=head2 EXTENSION DATABASE SUPPORT 2834sub load_facedata($) {
2835 my ($path) = @_;
2090 2836
2091Crossfire maintains a very simple database for extension use. It can 2837 my $enc = JSON::XS->new->utf8->canonical;
2092currently store anything that can be serialised using Storable, which
2093excludes objects.
2094 2838
2095The parameter C<$family> should best start with the name of the extension 2839 warn "loading facedata from $path\n";
2096using it, it should be unique.
2097 2840
2098=over 4 2841 my $facedata;
2842 0 < aio_load $path, $facedata
2843 or die "$path: $!";
2099 2844
2100=item $hashref = cf::db_get $family 2845 $facedata = Coro::Storable::thaw $facedata;
2101 2846
2102Return a hashref for use by the extension C<$family>, which can be 2847 $facedata->{version} == 2
2103modified. After modifications, you have to call C<cf::db_dirty> or 2848 or cf::cleanup "$path: version mismatch, cannot proceed.";
2104C<cf::db_sync>.
2105 2849
2106=item $value = cf::db_get $family => $key 2850 # patch in the exptable
2107 2851 $facedata->{resource}{"res/exp_table"} = {
2108Returns a single value from the database 2852 type => FT_RSRC,
2109 2853 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110=item cf::db_put $family => $hashref
2111
2112Stores the given family hashref into the database. Updates are delayed, if
2113you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115=item cf::db_put $family => $key => $value
2116
2117Stores the given C<$value> in the family hash. Updates are delayed, if you
2118want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120=item cf::db_dirty
2121
2122Marks the database as dirty, to be updated at a later time.
2123
2124=item cf::db_sync
2125
2126Immediately write the database to disk I<if it is dirty>.
2127
2128=cut
2129
2130our $DB;
2131
2132{
2133 my $path = cf::localdir . "/database.pst";
2134
2135 sub db_load() {
2136 $DB = stat $path ? Storable::retrieve $path : { };
2137 }
2138
2139 my $pid;
2140
2141 sub db_save() {
2142 waitpid $pid, 0 if $pid;
2143 if (0 == ($pid = fork)) {
2144 $DB->{_meta}{version} = 1;
2145 Storable::nstore $DB, "$path~";
2146 rename "$path~", $path;
2147 cf::_exit 0 if defined $pid;
2148 }
2149 }
2150
2151 my $dirty;
2152
2153 sub db_sync() {
2154 db_save if $dirty;
2155 undef $dirty;
2156 }
2157
2158 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159 db_sync;
2160 }); 2854 };
2855 cf::cede_to_tick;
2161 2856
2162 sub db_dirty() {
2163 $dirty = 1;
2164 $idle->start;
2165 } 2857 {
2858 my $faces = $facedata->{faceinfo};
2166 2859
2167 sub db_get($;$) { 2860 while (my ($face, $info) = each %$faces) {
2168 @_ >= 2 2861 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169 ? $DB->{$_[0]}{$_[1]} 2862 cf::face::set_visibility $idx, $info->{visibility};
2170 : ($DB->{$_[0]} ||= { }) 2863 cf::face::set_magicmap $idx, $info->{magicmap};
2171 } 2864 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2865 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172 2866
2173 sub db_put($$;$) { 2867 cf::cede_to_tick;
2174 if (@_ >= 3) {
2175 $DB->{$_[0]}{$_[1]} = $_[2];
2176 } else {
2177 $DB->{$_[0]} = $_[1];
2178 }
2179 db_dirty;
2180 }
2181
2182 cf::global->attach (
2183 prio => 10000,
2184 on_cleanup => sub {
2185 db_sync;
2186 }, 2868 }
2187 );
2188}
2189 2869
2190############################################################################# 2870 while (my ($face, $info) = each %$faces) {
2191# the server's main() 2871 next unless $info->{smooth};
2872 my $idx = cf::face::find $face
2873 or next;
2874 if (my $smooth = cf::face::find $info->{smooth}) {
2875 cf::face::set_smooth $idx, $smooth;
2876 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877 } else {
2878 warn "smooth face '$info->{smooth}' not found for face '$face'";
2879 }
2880
2881 cf::cede_to_tick;
2882 }
2883 }
2884
2885 {
2886 my $anims = $facedata->{animinfo};
2887
2888 while (my ($anim, $info) = each %$anims) {
2889 cf::anim::set $anim, $info->{frames}, $info->{facings};
2890 cf::cede_to_tick;
2891 }
2892
2893 cf::anim::invalidate_all; # d'oh
2894 }
2895
2896 {
2897 # TODO: for gcfclient pleasure, we should give resources
2898 # that gcfclient doesn't grok a >10000 face index.
2899 my $res = $facedata->{resource};
2900
2901 my $soundconf = delete $res->{"res/sound.conf"};
2902
2903 while (my ($name, $info) = each %$res) {
2904 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905 my $data;
2906
2907 if ($info->{type} & 1) {
2908 # prepend meta info
2909
2910 my $meta = $enc->encode ({
2911 name => $name,
2912 %{ $info->{meta} || {} },
2913 });
2914
2915 $data = pack "(w/a*)*", $meta, $info->{data};
2916 } else {
2917 $data = $info->{data};
2918 }
2919
2920 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921 cf::face::set_type $idx, $info->{type};
2922
2923 cf::cede_to_tick;
2924 }
2925
2926 if ($soundconf) {
2927 $soundconf = $enc->decode (delete $soundconf->{data});
2928
2929 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930 my $sound = $soundconf->{compat}[$_]
2931 or next;
2932
2933 my $face = cf::face::find "sound/$sound->[1]";
2934 cf::sound::set $sound->[0] => $face;
2935 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936 }
2937
2938 while (my ($k, $v) = each %{$soundconf->{event}}) {
2939 my $face = cf::face::find "sound/$v";
2940 cf::sound::set $k => $face;
2941 }
2942 }
2943 }
2944
2945 1
2946}
2947
2948register_exticmd fx_want => sub {
2949 my ($ns, $want) = @_;
2950
2951 while (my ($k, $v) = each %$want) {
2952 $ns->fx_want ($k, $v);
2953 }
2954};
2955
2956sub reload_regions {
2957 load_resource_file "$MAPDIR/regions"
2958 or die "unable to load regions file\n";
2959
2960 for (cf::region::list) {
2961 $_->{match} = qr/$_->{match}/
2962 if exists $_->{match};
2963 }
2964}
2965
2966sub reload_facedata {
2967 load_facedata "$DATADIR/facedata"
2968 or die "unable to load facedata\n";
2969}
2970
2971sub reload_archetypes {
2972 load_resource_file "$DATADIR/archetypes"
2973 or die "unable to load archetypes\n";
2974 #d# NEED to laod twice to resolve forward references
2975 # this really needs to be done in an extra post-pass
2976 # (which needs to be synchronous, so solve it differently)
2977 load_resource_file "$DATADIR/archetypes"
2978 or die "unable to load archetypes\n";
2979}
2980
2981sub reload_treasures {
2982 load_resource_file "$DATADIR/treasures"
2983 or die "unable to load treasurelists\n";
2984}
2985
2986sub reload_resources {
2987 warn "reloading resource files...\n";
2988
2989 reload_regions;
2990 reload_facedata;
2991 #reload_archetypes;#d#
2992 reload_archetypes;
2993 reload_treasures;
2994
2995 warn "finished reloading resource files\n";
2996}
2997
2998sub init {
2999 reload_resources;
3000}
2192 3001
2193sub cfg_load { 3002sub cfg_load {
2194 open my $fh, "<:utf8", cf::confdir . "/config" 3003 open my $fh, "<:utf8", "$CONFDIR/config"
2195 or return; 3004 or return;
2196 3005
2197 local $/; 3006 local $/;
2198 *CFG = YAML::Syck::Load <$fh>; 3007 *CFG = YAML::Syck::Load <$fh>;
2199 3008
2213 3022
2214sub main { 3023sub main {
2215 # we must not ever block the main coroutine 3024 # we must not ever block the main coroutine
2216 local $Coro::idle = sub { 3025 local $Coro::idle = sub {
2217 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3026 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027 (async {
2218 async { Event::one_event }; 3028 Event::one_event;
3029 })->prio (Coro::PRIO_MAX);
2219 }; 3030 };
2220 3031
2221 cfg_load; 3032 cfg_load;
2222 db_load; 3033 db_init;
2223 load_extensions; 3034 load_extensions;
3035
3036 $TICK_WATCHER->start;
2224 Event::loop; 3037 Event::loop;
2225} 3038}
2226 3039
2227############################################################################# 3040#############################################################################
2228# initialisation and cleanup 3041# initialisation and cleanup
2229 3042
2230# install some emergency cleanup handlers 3043# install some emergency cleanup handlers
2231BEGIN { 3044BEGIN {
2232 for my $signal (qw(INT HUP TERM)) { 3045 for my $signal (qw(INT HUP TERM)) {
2233 Event->signal ( 3046 Event->signal (
3047 reentrant => 0,
2234 data => WF_AUTOCANCEL, 3048 data => WF_AUTOCANCEL,
2235 signal => $signal, 3049 signal => $signal,
3050 prio => 0,
2236 cb => sub { 3051 cb => sub {
2237 cf::cleanup "SIG$signal"; 3052 cf::cleanup "SIG$signal";
2238 }, 3053 },
2239 ); 3054 );
2240 } 3055 }
3056}
3057
3058sub write_runtime {
3059 my $runtime = "$LOCALDIR/runtime";
3060
3061 # first touch the runtime file to show we are still running:
3062 # the fsync below can take a very very long time.
3063
3064 IO::AIO::aio_utime $runtime, undef, undef;
3065
3066 my $guard = cf::lock_acquire "write_runtime";
3067
3068 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3069 or return;
3070
3071 my $value = $cf::RUNTIME + 90 + 10;
3072 # 10 is the runtime save interval, for a monotonic clock
3073 # 60 allows for the watchdog to kill the server.
3074
3075 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3076 and return;
3077
3078 # always fsync - this file is important
3079 aio_fsync $fh
3080 and return;
3081
3082 # touch it again to show we are up-to-date
3083 aio_utime $fh, undef, undef;
3084
3085 close $fh
3086 or return;
3087
3088 aio_rename "$runtime~", $runtime
3089 and return;
3090
3091 warn "runtime file written.\n";
3092
3093 1
2241} 3094}
2242 3095
2243sub emergency_save() { 3096sub emergency_save() {
2244 my $freeze_guard = cf::freeze_mainloop; 3097 my $freeze_guard = cf::freeze_mainloop;
2245 3098
2262 my $map = $cf::MAP{$path} or next; 3115 my $map = $cf::MAP{$path} or next;
2263 $map->valid or next; 3116 $map->valid or next;
2264 $map->save; 3117 $map->save;
2265 } 3118 }
2266 warn "end emergency map save\n"; 3119 warn "end emergency map save\n";
3120
3121 warn "begin emergency database checkpoint\n";
3122 BDB::db_env_txn_checkpoint $DB_ENV;
3123 warn "end emergency database checkpoint\n";
2267 }; 3124 };
2268 3125
2269 warn "leave emergency perl save\n"; 3126 warn "leave emergency perl save\n";
2270} 3127}
2271 3128
3129sub post_cleanup {
3130 my ($make_core) = @_;
3131
3132 warn Carp::longmess "post_cleanup backtrace"
3133 if $make_core;
3134}
3135
2272sub reload() { 3136sub do_reload_perl() {
2273 # can/must only be called in main 3137 # can/must only be called in main
2274 if ($Coro::current != $Coro::main) { 3138 if ($Coro::current != $Coro::main) {
2275 warn "can only reload from main coroutine\n"; 3139 warn "can only reload from main coroutine";
2276 return; 3140 return;
2277 } 3141 }
2278 3142
2279 warn "reloading..."; 3143 warn "reloading...";
2280 3144
2281 warn "freezing server"; 3145 warn "entering sync_job";
2282 my $guard = freeze_mainloop; 3146
3147 cf::sync_job {
3148 cf::write_runtime; # external watchdog should not bark
2283 cf::emergency_save; 3149 cf::emergency_save;
3150 cf::write_runtime; # external watchdog should not bark
2284 3151
2285 warn "sync database to disk"; 3152 warn "syncing database to disk";
2286 cf::db_sync; 3153 BDB::db_env_txn_checkpoint $DB_ENV;
2287 IO::AIO::flush;
2288 3154
2289 eval {
2290 # if anything goes wrong in here, we should simply crash as we already saved 3155 # if anything goes wrong in here, we should simply crash as we already saved
2291 3156
2292 warn "cancel all watchers"; 3157 warn "cancelling all WF_AUTOCANCEL watchers";
2293 for (Event::all_watchers) { 3158 for (Event::all_watchers) {
2294 $_->cancel if $_->data & WF_AUTOCANCEL; 3159 $_->cancel if $_->data & WF_AUTOCANCEL;
2295 } 3160 }
2296 3161
3162 warn "flushing outstanding aio requests";
3163 for (;;) {
3164 BDB::flush;
3165 IO::AIO::flush;
3166 Coro::cede;
3167 last unless IO::AIO::nreqs || BDB::nreqs;
3168 warn "iterate...";
3169 }
3170
3171 ++$RELOAD;
3172
2297 warn "cancel all extension coros"; 3173 warn "cancelling all extension coros";
2298 $_->cancel for values %EXT_CORO; 3174 $_->cancel for values %EXT_CORO;
2299 %EXT_CORO = (); 3175 %EXT_CORO = ();
2300 3176
2301 warn "remove commands"; 3177 warn "removing commands";
2302 %COMMAND = (); 3178 %COMMAND = ();
2303 3179
2304 warn "remove ext commands"; 3180 warn "removing ext/exti commands";
2305 %EXTCMD = (); 3181 %EXTCMD = ();
3182 %EXTICMD = ();
2306 3183
2307 warn "unload/nuke all extensions"; 3184 warn "unloading/nuking all extensions";
2308 for my $pkg (@EXTS) { 3185 for my $pkg (@EXTS) {
2309 warn "... unloading $pkg"; 3186 warn "... unloading $pkg";
2310 3187
2311 if (my $cb = $pkg->can ("unload")) { 3188 if (my $cb = $pkg->can ("unload")) {
2312 eval { 3189 eval {
2317 3194
2318 warn "... nuking $pkg"; 3195 warn "... nuking $pkg";
2319 Symbol::delete_package $pkg; 3196 Symbol::delete_package $pkg;
2320 } 3197 }
2321 3198
2322 warn "unload all perl modules loaded from $LIBDIR"; 3199 warn "unloading all perl modules loaded from $LIBDIR";
2323 while (my ($k, $v) = each %INC) { 3200 while (my ($k, $v) = each %INC) {
2324 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3201 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325 3202
2326 warn "removing <$k>"; 3203 warn "... unloading $k";
2327 delete $INC{$k}; 3204 delete $INC{$k};
2328 3205
2329 $k =~ s/\.pm$//; 3206 $k =~ s/\.pm$//;
2330 $k =~ s/\//::/g; 3207 $k =~ s/\//::/g;
2331 3208
2334 } 3211 }
2335 3212
2336 Symbol::delete_package $k; 3213 Symbol::delete_package $k;
2337 } 3214 }
2338 3215
2339 warn "get rid of safe::, as good as possible"; 3216 warn "getting rid of safe::, as good as possible";
2340 Symbol::delete_package "safe::$_" 3217 Symbol::delete_package "safe::$_"
2341 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3218 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342 3219
2343 warn "unload cf.pm \"a bit\""; 3220 warn "unloading cf.pm \"a bit\"";
2344 delete $INC{"cf.pm"}; 3221 delete $INC{"cf.pm"};
3222 delete $INC{"cf/pod.pm"};
2345 3223
2346 # don't, removes xs symbols, too, 3224 # don't, removes xs symbols, too,
2347 # and global variables created in xs 3225 # and global variables created in xs
2348 #Symbol::delete_package __PACKAGE__; 3226 #Symbol::delete_package __PACKAGE__;
2349 3227
3228 warn "unload completed, starting to reload now";
3229
2350 warn "reloading cf.pm"; 3230 warn "reloading cf.pm";
2351 require cf; 3231 require cf;
2352 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3232 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353 3233
2354 warn "load config and database again"; 3234 warn "loading config and database again";
2355 cf::cfg_load; 3235 cf::cfg_load;
2356 cf::db_load;
2357 3236
2358 warn "load extensions"; 3237 warn "loading extensions";
2359 cf::load_extensions; 3238 cf::load_extensions;
2360 3239
2361 warn "reattach attachments to objects/players"; 3240 warn "reattaching attachments to objects/players";
2362 _global_reattach; 3241 _global_reattach; # objects, sockets
2363 warn "reattach attachments to maps"; 3242 warn "reattaching attachments to maps";
2364 reattach $_ for values %MAP; 3243 reattach $_ for values %MAP;
2365 }; 3244 warn "reattaching attachments to players";
3245 reattach $_ for values %PLAYER;
2366 3246
2367 if ($@) { 3247 warn "leaving sync_job";
3248
3249 1
3250 } or do {
2368 warn $@; 3251 warn $@;
2369 warn "error while reloading, exiting."; 3252 warn "error while reloading, exiting.";
2370 exit 1; 3253 exit 1;
2371 } 3254 };
2372 3255
2373 warn "reloaded"; 3256 warn "reloaded";
2374}; 3257};
2375 3258
3259our $RELOAD_WATCHER; # used only during reload
3260
3261sub reload_perl() {
3262 # doing reload synchronously and two reloads happen back-to-back,
3263 # coro crashes during coro_state_free->destroy here.
3264
3265 $RELOAD_WATCHER ||= Event->timer (
3266 reentrant => 0,
3267 after => 0,
3268 data => WF_AUTOCANCEL,
3269 cb => sub {
3270 do_reload_perl;
3271 undef $RELOAD_WATCHER;
3272 },
3273 );
3274}
3275
2376register_command "reload" => sub { 3276register_command "reload" => sub {
2377 my ($who, $arg) = @_; 3277 my ($who, $arg) = @_;
2378 3278
2379 if ($who->flag (FLAG_WIZ)) { 3279 if ($who->flag (FLAG_WIZ)) {
2380 $who->message ("start of reload.");
2381 reload;
2382 $who->message ("end of reload."); 3280 $who->message ("reloading server.");
3281 async { reload_perl };
2383 } 3282 }
2384}; 3283};
2385 3284
2386unshift @INC, $LIBDIR; 3285unshift @INC, $LIBDIR;
2387 3286
3287my $bug_warning = 0;
3288
3289our @WAIT_FOR_TICK;
3290our @WAIT_FOR_TICK_BEGIN;
3291
3292sub wait_for_tick {
3293 return unless $TICK_WATCHER->is_active;
3294 return if $Coro::current == $Coro::main;
3295
3296 my $signal = new Coro::Signal;
3297 push @WAIT_FOR_TICK, $signal;
3298 $signal->wait;
3299}
3300
3301sub wait_for_tick_begin {
3302 return unless $TICK_WATCHER->is_active;
3303 return if $Coro::current == $Coro::main;
3304
3305 my $signal = new Coro::Signal;
3306 push @WAIT_FOR_TICK_BEGIN, $signal;
3307 $signal->wait;
3308}
3309
3310 my $min = 1e6;#d#
3311 my $avg = 10;
2388$TICK_WATCHER = Event->timer ( 3312$TICK_WATCHER = Event->timer (
2389 reentrant => 0, 3313 reentrant => 0,
3314 parked => 1,
2390 prio => 0, 3315 prio => 0,
2391 at => $NEXT_TICK || $TICK, 3316 at => $NEXT_TICK || $TICK,
2392 data => WF_AUTOCANCEL, 3317 data => WF_AUTOCANCEL,
2393 cb => sub { 3318 cb => sub {
3319 if ($Coro::current != $Coro::main) {
3320 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321 unless ++$bug_warning > 10;
3322 return;
3323 }
3324
2394 $NOW = Event::time; 3325 $NOW = $tick_start = Event::time;
2395 3326
2396 cf::server_tick; # one server iteration 3327 cf::server_tick; # one server iteration
3328
3329 0 && sync_job {#d#
3330 for(1..10) {
3331 my $t = Event::time;
3332 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3333 or die;
3334
3335 $map->width (50);
3336 $map->height (50);
3337 $map->alloc;
3338 $map->_load_objects ("/tmp/x.map", 1);
3339 my $t = Event::time - $t;
3340
3341 #next unless $t < 0.0013;#d#
3342 if ($t < $min) {
3343 $min = $t;
3344 }
3345 $avg = $avg * 0.99 + $t * 0.01;
3346 }
3347 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348 exit 0;
3349 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350 };
3351
2397 $RUNTIME += $TICK; 3352 $RUNTIME += $TICK;
2398 $NEXT_TICK += $TICK; 3353 $NEXT_TICK += $TICK;
2399 3354
2400 $WAIT_FOR_TICK->broadcast; 3355 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3356 $NEXT_RUNTIME_WRITE = $NOW + 10;
3357 Coro::async_pool {
3358 write_runtime
3359 or warn "ERROR: unable to write runtime file: $!";
3360 };
3361 }
3362
3363# my $AFTER = Event::time;
3364# warn $AFTER - $NOW;#d#
3365
3366 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367 $sig->send;
3368 }
3369 while (my $sig = shift @WAIT_FOR_TICK) {
3370 $sig->send;
3371 }
3372
3373 $NOW = Event::time;
2402 3374
2403 # if we are delayed by four ticks or more, skip them all 3375 # if we are delayed by four ticks or more, skip them all
2404 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3376 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405 3377
2406 $TICK_WATCHER->at ($NEXT_TICK); 3378 $TICK_WATCHER->at ($NEXT_TICK);
2407 $TICK_WATCHER->start; 3379 $TICK_WATCHER->start;
3380
3381 $LOAD = ($NOW - $tick_start) / $TICK;
3382 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383
3384 _post_tick;
3385
3386
2408 }, 3387 },
2409); 3388);
2410 3389
3390{
3391 BDB::max_poll_time $TICK * 0.1;
3392 $BDB_POLL_WATCHER = Event->io (
3393 reentrant => 0,
3394 fd => BDB::poll_fileno,
3395 poll => 'r',
3396 prio => 0,
3397 data => WF_AUTOCANCEL,
3398 cb => \&BDB::poll_cb,
3399 );
3400 BDB::min_parallel 8;
3401
3402 BDB::set_sync_prepare {
3403 my $status;
3404 my $current = $Coro::current;
3405 (
3406 sub {
3407 $status = $!;
3408 $current->ready; undef $current;
3409 },
3410 sub {
3411 Coro::schedule while defined $current;
3412 $! = $status;
3413 },
3414 )
3415 };
3416
3417 unless ($DB_ENV) {
3418 $DB_ENV = BDB::db_env_create;
3419
3420 cf::sync_job {
3421 eval {
3422 BDB::db_env_open
3423 $DB_ENV,
3424 $BDBDIR,
3425 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427 0666;
3428
3429 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432 $DB_ENV->set_lk_detect;
3433 };
3434
3435 cf::cleanup "db_env_open(db): $@" if $@;
3436 };
3437 }
3438}
3439
3440{
3441 IO::AIO::min_parallel 8;
3442
3443 undef $Coro::AIO::WATCHER;
2411IO::AIO::max_poll_time $TICK * 0.2; 3444 IO::AIO::max_poll_time $TICK * 0.1;
2412
2413$AIO_POLL_WATCHER = Event->io ( 3445 $AIO_POLL_WATCHER = Event->io (
2414 fd => IO::AIO::poll_fileno, 3446 reentrant => 0,
2415 poll => 'r',
2416 prio => 5,
2417 data => WF_AUTOCANCEL,
2418 cb => \&IO::AIO::poll_cb,
2419);
2420
2421$WRITE_RUNTIME_WATCHER = Event->timer (
2422 data => WF_AUTOCANCEL, 3447 data => WF_AUTOCANCEL,
2423 after => 0, 3448 fd => IO::AIO::poll_fileno,
2424 interval => 10, 3449 poll => 'r',
2425 cb => sub { 3450 prio => 6,
2426 (Coro::unblock_sub { 3451 cb => \&IO::AIO::poll_cb,
2427 write_runtime 3452 );
2428 or warn "ERROR: unable to write runtime file: $!"; 3453}
3454
3455my $_log_backtrace;
3456
3457sub _log_backtrace {
3458 my ($msg, @addr) = @_;
3459
3460 $msg =~ s/\n//;
3461
3462 # limit the # of concurrent backtraces
3463 if ($_log_backtrace < 2) {
3464 ++$_log_backtrace;
3465 async {
3466 my @bt = fork_call {
3467 @addr = map { sprintf "%x", $_ } @addr;
3468 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470 or die "addr2line: $!";
3471
3472 my @funcs;
3473 my @res = <$fh>;
3474 chomp for @res;
3475 while (@res) {
3476 my ($func, $line) = splice @res, 0, 2, ();
3477 push @funcs, "[$func] $line";
3478 }
3479
3480 @funcs
3481 };
3482
3483 LOG llevInfo, "[ABT] $msg\n";
3484 LOG llevInfo, "[ABT] $_\n" for @bt;
3485 --$_log_backtrace;
2429 })->(); 3486 };
3487 } else {
3488 LOG llevInfo, "[ABT] $msg\n";
3489 LOG llevInfo, "[ABT] [suppressed]\n";
2430 }, 3490 }
2431); 3491}
3492
3493# load additional modules
3494use cf::pod;
2432 3495
2433END { cf::emergency_save } 3496END { cf::emergency_save }
2434 3497
24351 34981
2436 3499

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