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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 3.5 (); 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 ();
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;
53our $USE_FSYNC; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
54 86
55our %CFG; 87our %CFG;
56 88
57our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
58our $RUNTIME; 90our $RUNTIME;
59 91
60our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
61our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
62our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
63our $RANDOM_MAPS = cf::localdir . "/random";
64
65our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67 95
68# 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 ∕
69our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
71binmode STDOUT; 103binmode STDOUT;
72binmode STDERR; 104binmode STDERR;
73 105
74# read virtual server time, if available 106# read virtual server time, if available
75unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
77 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
78 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
79} 111}
80 112
81mkdir cf::localdir; 113mkdir $_
82mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83mkdir cf::localdir . "/" . cf::tmpdir;
84mkdir cf::localdir . "/" . cf::uniquedir;
85mkdir $RANDOM_MAPS;
86 115
87our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
88 117
89sub cf::map::normalise; 118sub cf::map::normalise;
90 119
101=item $cf::RUNTIME 130=item $cf::RUNTIME
102 131
103The 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
104every server tick. 133every server tick.
105 134
106=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
107 138
108The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
109be 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.
110 143
111=item $cf::NOW 144=item $cf::NOW
112 145
113The time of the last (current) server tick. 146The time of the last (current) server tick.
114 147
115=item $cf::TICK 148=item $cf::TICK
116 149
117The 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.
118 161
119=item %cf::CFG 162=item %cf::CFG
120 163
121Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
122from wherever your confdir points to. 165from wherever your confdir points to.
123 166
124=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
125 168
126These 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
127or 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
128processing 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.
129window 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.
130 178
131=back 179=back
132 180
133=cut 181=cut
134 182
135BEGIN { 183BEGIN {
136 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
137 my $msg = join "", @_; 185 my $msg = join "", @_;
138 utf8::encode $msg;
139 186
140 $msg .= "\n" 187 $msg .= "\n"
141 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
142 191
143 LOG llevError, $msg; 192 LOG llevError, $msg;
144 }; 193 };
145} 194}
146 195
147@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 200@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
201@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 202@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153 203
154# we bless all objects into (empty) derived classes to force a method lookup 204# we bless all objects into (empty) derived classes to force a method lookup
155# within the Safe compartment. 205# within the Safe compartment.
156for my $pkg (qw( 206for my $pkg (qw(
157 cf::global cf::attachable 207 cf::global cf::attachable
165} 215}
166 216
167$Event::DIED = sub { 217$Event::DIED = sub {
168 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
169}; 219};
220
221#############################################################################
170 222
171=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
172 224
173=over 4 225=over 4
174 226
193 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194 $d 246 $d
195 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
196} 248}
197 249
198use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
201 251
202Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
203 253
204=cut
205
206sub from_json($) {
207 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208 JSON::Syck::Load $_[0]
209}
210
211=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
212 255
213Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
214 257
215=cut 258=cut
216 259
217sub to_json($) { 260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 261
219 JSON::Syck::Dump $_[0] 262sub to_json ($) { $json_coder->encode ($_[0]) }
220} 263sub from_json ($) { $json_coder->decode ($_[0]) }
221 264
222=item cf::lock_wait $string 265=item cf::lock_wait $string
223 266
224Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
225 268
228Wait until the given lock is available and then acquires it and returns 271Wait until the given lock is available and then acquires it and returns
229a Coro::guard object. If the guard object gets destroyed (goes out of scope, 272a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230for example when the coroutine gets canceled), the lock is automatically 273for example when the coroutine gets canceled), the lock is automatically
231returned. 274returned.
232 275
276Locks are *not* recursive, locking from the same coro twice results in a
277deadlocked coro.
278
233Lock names should begin with a unique identifier (for example, cf::map::find 279Lock names should begin with a unique identifier (for example, cf::map::find
234uses map_find and cf::map::load uses map_load). 280uses map_find and cf::map::load uses map_load).
235 281
282=item $locked = cf::lock_active $string
283
284Return true if the lock is currently active, i.e. somebody has locked it.
285
236=cut 286=cut
237 287
238our %LOCK; 288our %LOCK;
289our %LOCKER;#d#
239 290
240sub lock_wait($) { 291sub lock_wait($) {
241 my ($key) = @_; 292 my ($key) = @_;
293
294 if ($LOCKER{$key} == $Coro::current) {#d#
295 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
296 return;#d#
297 }#d#
242 298
243 # wait for lock, if any 299 # wait for lock, if any
244 while ($LOCK{$key}) { 300 while ($LOCK{$key}) {
245 push @{ $LOCK{$key} }, $Coro::current; 301 push @{ $LOCK{$key} }, $Coro::current;
246 Coro::schedule; 302 Coro::schedule;
252 308
253 # wait, to be sure we are not locked 309 # wait, to be sure we are not locked
254 lock_wait $key; 310 lock_wait $key;
255 311
256 $LOCK{$key} = []; 312 $LOCK{$key} = [];
313 $LOCKER{$key} = $Coro::current;#d#
257 314
258 Coro::guard { 315 Coro::guard {
316 delete $LOCKER{$key};#d#
259 # wake up all waiters, to be on the safe side 317 # wake up all waiters, to be on the safe side
260 $_->ready for @{ delete $LOCK{$key} }; 318 $_->ready for @{ delete $LOCK{$key} };
261 } 319 }
262} 320}
263 321
322sub lock_active($) {
323 my ($key) = @_;
324
325 ! ! $LOCK{$key}
326}
327
264sub freeze_mainloop { 328sub freeze_mainloop {
265 return unless $TICK_WATCHER->is_active; 329 return unless $TICK_WATCHER->is_active;
266 330
267 my $guard = Coro::guard { 331 my $guard = Coro::guard {
268 $TICK_WATCHER->start; 332 $TICK_WATCHER->start;
269 $WRITE_RUNTIME_WATCHER->start;
270 }; 333 };
271 $WRITE_RUNTIME_WATCHER->stop;
272 $TICK_WATCHER->stop; 334 $TICK_WATCHER->stop;
273 $guard 335 $guard
336}
337
338=item cf::get_slot $time[, $priority[, $name]]
339
340Allocate $time seconds of blocking CPU time at priority C<$priority>:
341This call blocks and returns only when you have at least C<$time> seconds
342of cpu time till the next tick. The slot is only valid till the next cede.
343
344The optional C<$name> can be used to identify the job to run. It might be
345used for statistical purposes and should identify the same time-class.
346
347Useful for short background jobs.
348
349=cut
350
351our @SLOT_QUEUE;
352our $SLOT_QUEUE;
353
354$SLOT_QUEUE->cancel if $SLOT_QUEUE;
355$SLOT_QUEUE = Coro::async {
356 my $signal = new Coro::Signal;
357
358 while () {
359 next_job:
360 my $avail = cf::till_tick;
361 if ($avail > 0.01) {
362 for (0 .. $#SLOT_QUEUE) {
363 if ($SLOT_QUEUE[$_][0] < $avail) {
364 my $job = splice @SLOT_QUEUE, $_, 1, ();
365 $job->[2]->send;
366 Coro::cede;
367 goto next_job;
368 }
369 }
370 }
371
372 if (@SLOT_QUEUE) {
373 # we do not use wait_For_tick() as it returns immediately when tick is inactive
374 push @cf::WAIT_FOR_TICK, $signal;
375 $signal->wait;
376 } else {
377 Coro::schedule;
378 }
379 }
380};
381
382sub get_slot($;$$) {
383 my ($time, $pri, $name) = @_;
384
385 $time = $TICK * .6 if $time > $TICK * .6;
386 my $sig = new Coro::Signal;
387
388 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
389 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
390 $SLOT_QUEUE->ready;
391 $sig->wait;
274} 392}
275 393
276=item cf::async { BLOCK } 394=item cf::async { BLOCK }
277 395
278Currently the same as Coro::async_pool, meaning you cannot use 396Currently the same as Coro::async_pool, meaning you cannot use
283 401
284BEGIN { *async = \&Coro::async_pool } 402BEGIN { *async = \&Coro::async_pool }
285 403
286=item cf::sync_job { BLOCK } 404=item cf::sync_job { BLOCK }
287 405
288The design of crossfire+ requires that the main coro ($Coro::main) is 406The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289always able to handle events or runnable, as crossfire+ is only partly 407is always able to handle events or runnable, as Crossfire TRT is only
290reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 408partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
409acceptable.
291 410
292If it must be done, put the blocking parts into C<sync_job>. This will run 411If it must be done, put the blocking parts into C<sync_job>. This will run
293the given BLOCK in another coroutine while waiting for the result. The 412the given BLOCK in another coroutine while waiting for the result. The
294server will be frozen during this time, so the block should either finish 413server will be frozen during this time, so the block should either finish
295fast or be very important. 414fast or be very important.
298 417
299sub sync_job(&) { 418sub sync_job(&) {
300 my ($job) = @_; 419 my ($job) = @_;
301 420
302 if ($Coro::current == $Coro::main) { 421 if ($Coro::current == $Coro::main) {
422 my $time = Event::time;
423
303 # this is the main coro, too bad, we have to block 424 # this is the main coro, too bad, we have to block
304 # till the operation succeeds, freezing the server :/ 425 # till the operation succeeds, freezing the server :/
305 426
306 # TODO: use suspend/resume instead 427 # TODO: use suspend/resume instead
307 # (but this is cancel-safe) 428 # (but this is cancel-safe)
318 439
319 while ($busy) { 440 while ($busy) {
320 Coro::cede or Event::one_event; 441 Coro::cede or Event::one_event;
321 } 442 }
322 443
444 $time = Event::time - $time;
445
446 LOG llevError | logBacktrace, Carp::longmess "long sync job"
447 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
448
449 $tick_start += $time; # do not account sync jobs to server load
450
323 wantarray ? @res : $res[0] 451 wantarray ? @res : $res[0]
324 } else { 452 } else {
325 # we are in another coroutine, how wonderful, everything just works 453 # we are in another coroutine, how wonderful, everything just works
326 454
327 $job->() 455 $job->()
346 $EXT_CORO{$coro+0} = $coro; 474 $EXT_CORO{$coro+0} = $coro;
347 475
348 $coro 476 $coro
349} 477}
350 478
351sub write_runtime { 479=item fork_call { }, $args
352 my $runtime = cf::localdir . "/runtime";
353 480
354 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 481Executes the given code block with the given arguments in a seperate
355 or return; 482process, returning the results. Everything must be serialisable with
483Coro::Storable. May, of course, block. Note that the executed sub may
484never block itself or use any form of Event handling.
356 485
357 my $value = $cf::RUNTIME + 90 + 10; 486=cut
358 # 10 is the runtime save interval, for a monotonic clock
359 # 60 allows for the watchdog to kill the server.
360 487
361 (aio_write $fh, 0, (length $value), $value, 0) <= 0 488sub fork_call(&@) {
362 and return; 489 my ($cb, @args) = @_;
363 490
364 # always fsync - this file is important 491 # we seemingly have to make a local copy of the whole thing,
365 aio_fsync $fh 492 # otherwise perl prematurely frees the stuff :/
366 and return; 493 # TODO: investigate and fix (likely this will be rather laborious)
367 494
368 close $fh 495 my @res = Coro::Util::fork_eval {
369 or return; 496 reset_signals;
497 &$cb
498 }, @args;
370 499
371 aio_rename "$runtime~", $runtime 500 wantarray ? @res : $res[-1]
372 and return; 501}
373 502
503=item $value = cf::db_get $family => $key
504
505Returns a single value from the environment database.
506
507=item cf::db_put $family => $key => $value
508
509Stores the given C<$value> in the family. It can currently store binary
510data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
511
512=cut
513
514our $DB;
515
516sub db_init {
517 unless ($DB) {
518 $DB = BDB::db_create $DB_ENV;
519
520 cf::sync_job {
521 eval {
522 $DB->set_flags (BDB::CHKSUM);
523
524 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
525 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
526 cf::cleanup "db_open(db): $!" if $!;
527 };
528 cf::cleanup "db_open(db): $@" if $@;
529 };
374 1 530 }
531}
532
533sub db_get($$) {
534 my $key = "$_[0]/$_[1]";
535
536 cf::sync_job {
537 BDB::db_get $DB, undef, $key, my $data;
538
539 $! ? ()
540 : $data
541 }
542}
543
544sub db_put($$$) {
545 BDB::dbreq_pri 4;
546 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
547}
548
549=item cf::cache $id => [$paths...], $processversion => $process
550
551Generic caching function that returns the value of the resource $id,
552caching and regenerating as required.
553
554This function can block.
555
556=cut
557
558sub cache {
559 my ($id, $src, $processversion, $process) = @_;
560
561 my $meta =
562 join "\x00",
563 $processversion,
564 map {
565 aio_stat $_
566 and Carp::croak "$_: $!";
567
568 ($_, (stat _)[7,9])
569 } @$src;
570
571 my $dbmeta = db_get cache => "$id/meta";
572 if ($dbmeta ne $meta) {
573 # changed, we may need to process
574
575 my @data;
576 my $md5;
577
578 for (0 .. $#$src) {
579 0 <= aio_load $src->[$_], $data[$_]
580 or Carp::croak "$src->[$_]: $!";
581 }
582
583 # if processing is expensive, check
584 # checksum first
585 if (1) {
586 $md5 =
587 join "\x00",
588 $processversion,
589 map {
590 cf::cede_to_tick;
591 ($src->[$_], Digest::MD5::md5_hex $data[$_])
592 } 0.. $#$src;
593
594
595 my $dbmd5 = db_get cache => "$id/md5";
596 if ($dbmd5 eq $md5) {
597 db_put cache => "$id/meta", $meta;
598
599 return db_get cache => "$id/data";
600 }
601 }
602
603 my $t1 = Time::HiRes::time;
604 my $data = $process->(\@data);
605 my $t2 = Time::HiRes::time;
606
607 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
608
609 db_put cache => "$id/data", $data;
610 db_put cache => "$id/md5" , $md5;
611 db_put cache => "$id/meta", $meta;
612
613 return $data;
614 }
615
616 db_get cache => "$id/data"
617}
618
619=item cf::datalog type => key => value, ...
620
621Log a datalog packet of the given type with the given key-value pairs.
622
623=cut
624
625sub datalog($@) {
626 my ($type, %kv) = @_;
627 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375} 628}
376 629
377=back 630=back
378 631
379=cut 632=cut
386attach callbacks/event handlers (a collection of which is called an "attachment") 639attach callbacks/event handlers (a collection of which is called an "attachment")
387to it. All such attachable objects support the following methods. 640to it. All such attachable objects support the following methods.
388 641
389In the following description, CLASS can be any of C<global>, C<object> 642In the following description, CLASS can be any of C<global>, C<object>
390C<player>, C<client> or C<map> (i.e. the attachable objects in 643C<player>, C<client> or C<map> (i.e. the attachable objects in
391crossfire+). 644Crossfire TRT).
392 645
393=over 4 646=over 4
394 647
395=item $attachable->attach ($attachment, key => $value...) 648=item $attachable->attach ($attachment, key => $value...)
396 649
559 $registry = $CB_TYPE[$object_type] ||= []; 812 $registry = $CB_TYPE[$object_type] ||= [];
560 813
561 } elsif ($type eq "subtype") { 814 } elsif ($type eq "subtype") {
562 defined $object_type or Carp::croak "subtype specified without type"; 815 defined $object_type or Carp::croak "subtype specified without type";
563 my $object_subtype = shift @arg; 816 my $object_subtype = shift @arg;
564 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 817 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565 818
566 } elsif ($type eq "package") { 819 } elsif ($type eq "package") {
567 my $pkg = shift @arg; 820 my $pkg = shift @arg;
568 821
569 while (my ($name, $id) = each %cb_id) { 822 while (my ($name, $id) = each %cb_id) {
598 _attach $registry, $klass, @attach; 851 _attach $registry, $klass, @attach;
599 } 852 }
600 853
601 $obj->{$name} = \%arg; 854 $obj->{$name} = \%arg;
602 } else { 855 } else {
603 warn "object uses attachment '$name' that is not available, postponing.\n"; 856 warn "object uses attachment '$name' which is not available, postponing.\n";
604 } 857 }
605 858
606 $obj->{_attachment}{$name} = undef; 859 $obj->{_attachment}{$name} = undef;
607} 860}
608 861
610 if (ref $_[0]) { 863 if (ref $_[0]) {
611 _object_attach @_; 864 _object_attach @_;
612 } else { 865 } else {
613 _attach shift->_attach_registry, @_; 866 _attach shift->_attach_registry, @_;
614 } 867 }
868 _recalc_want;
615}; 869};
616 870
617# all those should be optimised 871# all those should be optimised
618sub cf::attachable::detach { 872sub cf::attachable::detach {
619 my ($obj, $name) = @_; 873 my ($obj, $name) = @_;
622 delete $obj->{_attachment}{$name}; 876 delete $obj->{_attachment}{$name};
623 reattach ($obj); 877 reattach ($obj);
624 } else { 878 } else {
625 Carp::croak "cannot, currently, detach class attachments"; 879 Carp::croak "cannot, currently, detach class attachments";
626 } 880 }
881 _recalc_want;
627}; 882};
628 883
629sub cf::attachable::attached { 884sub cf::attachable::attached {
630 my ($obj, $name) = @_; 885 my ($obj, $name) = @_;
631 886
646 "; 901 ";
647 die if $@; 902 die if $@;
648} 903}
649 904
650our $override; 905our $override;
651our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 906our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652 907
653sub override { 908sub override {
654 $override = 1; 909 $override = 1;
655 @invoke_results = (); 910 @INVOKE_RESULTS = (@_);
656} 911}
657 912
658sub do_invoke { 913sub do_invoke {
659 my $event = shift; 914 my $event = shift;
660 my $callbacks = shift; 915 my $callbacks = shift;
661 916
662 @invoke_results = (); 917 @INVOKE_RESULTS = ();
663 918
664 local $override; 919 local $override;
665 920
666 for (@$callbacks) { 921 for (@$callbacks) {
667 eval { &{$_->[1]} }; 922 eval { &{$_->[1]} };
684 939
685Generate an object-specific event with the given arguments. 940Generate an object-specific event with the given arguments.
686 941
687This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 942This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688removed in future versions), and there is no public API to access override 943removed in future versions), and there is no public API to access override
689results (if you must, access C<@cf::invoke_results> directly). 944results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690 945
691=back 946=back
692 947
693=cut 948=cut
694 949
695############################################################################# 950#############################################################################
696# object support 951# object support
952#
953
954sub _can_merge {
955 my ($ob1, $ob2) = @_;
956
957 local $Storable::canonical = 1;
958 my $fob1 = Storable::freeze $ob1;
959 my $fob2 = Storable::freeze $ob2;
960
961 $fob1 eq $fob2
962}
697 963
698sub reattach { 964sub reattach {
699 # basically do the same as instantiate, without calling instantiate 965 # basically do the same as instantiate, without calling instantiate
700 my ($obj) = @_; 966 my ($obj) = @_;
701 967
746); 1012);
747 1013
748sub object_freezer_save { 1014sub object_freezer_save {
749 my ($filename, $rdata, $objs) = @_; 1015 my ($filename, $rdata, $objs) = @_;
750 1016
1017 my $guard = cf::lock_acquire "io";
1018
751 sync_job { 1019 sync_job {
752 if (length $$rdata) { 1020 if (length $$rdata) {
1021 utf8::decode (my $decname = $filename);
753 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
754 $filename, length $$rdata, scalar @$objs; 1023 $decname, length $$rdata, scalar @$objs;
755 1024
756 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757 chmod SAVE_MODE, $fh; 1026 chmod SAVE_MODE, $fh;
758 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759 aio_fsync $fh if $cf::USE_FSYNC; 1028 aio_fsync $fh if $cf::USE_FSYNC;
778 } 1047 }
779 } else { 1048 } else {
780 aio_unlink $filename; 1049 aio_unlink $filename;
781 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
782 } 1051 }
783
784 #d##TODO# nuke non .map-files if exist
785 if ($filename =~ s/\.map$//) {
786 aio_unlink $filename;
787 aio_unlink "$filename.pst";
788 }
789 } 1052 };
1053
1054 undef $guard;
790} 1055}
791 1056
792sub object_freezer_as_string { 1057sub object_freezer_as_string {
793 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
794 1059
800sub object_thawer_load { 1065sub object_thawer_load {
801 my ($filename) = @_; 1066 my ($filename) = @_;
802 1067
803 my ($data, $av); 1068 my ($data, $av);
804 1069
805 #d#TODO remove .map if file does not exist 1070 my $guard = cf::lock_acquire "io";
806 aio_stat $filename and $filename =~ s/\.map$//;
807 1071
808 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
809 or return; 1073 or return;
810 1074
811 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
812 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
813 or return; 1077 or return;
1078
1079 undef $guard;
814 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
815 } 1081 }
816 1082
1083 utf8::decode (my $decname = $filename);
817 warn sprintf "loading %s (%d)\n", 1084 warn sprintf "loading %s (%d,%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1085 $decname, length $data, scalar @{$av || []};
1086
819 return ($data, $av); 1087 ($data, $av)
820} 1088}
1089
1090=head2 COMMAND CALLBACKS
1091
1092=over 4
1093
1094=cut
821 1095
822############################################################################# 1096#############################################################################
823# command handling &c 1097# command handling &c
824 1098
825=item cf::register_command $name => \&callback($ob,$args); 1099=item cf::register_command $name => \&callback($ob,$args);
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1112 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1113}
840 1114
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1115=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1116
843Register a callbackf ro execution when the client sends an extcmd packet. 1117Register a callback for execution when the client sends an (synchronous)
1118extcmd packet. Ext commands will be processed in the order they are
1119received by the server, like other user commands. The first argument is
1120the logged-in player. Ext commands can only be processed after a player
1121has logged in successfully.
844 1122
845If the callback returns something, it is sent back as if reply was being 1123If the callback returns something, it is sent back as if reply was being
846called. 1124called.
847 1125
1126=item cf::register_exticmd $name => \&callback($ns,$packet);
1127
1128Register a callback for execution when the client sends an (asynchronous)
1129exticmd packet. Exti commands are processed by the server as soon as they
1130are received, i.e. out of order w.r.t. other commands. The first argument
1131is a client socket. Exti commands can be received anytime, even before
1132log-in.
1133
1134If the callback returns something, it is sent back as if reply was being
1135called.
1136
848=cut 1137=cut
849 1138
850sub register_extcmd { 1139sub register_extcmd {
851 my ($name, $cb) = @_; 1140 my ($name, $cb) = @_;
852 1141
853 $EXTCMD{$name} = $cb; 1142 $EXTCMD{$name} = $cb;
1143}
1144
1145sub register_exticmd {
1146 my ($name, $cb) = @_;
1147
1148 $EXTICMD{$name} = $cb;
854} 1149}
855 1150
856cf::player->attach ( 1151cf::player->attach (
857 on_command => sub { 1152 on_command => sub {
858 my ($pl, $name, $params) = @_; 1153 my ($pl, $name, $params) = @_;
867 cf::override; 1162 cf::override;
868 }, 1163 },
869 on_extcmd => sub { 1164 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1165 my ($pl, $buf) = @_;
871 1166
872 my $msg = eval { from_json $buf }; 1167 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1168
874 if (ref $msg) { 1169 if (ref $msg) {
1170 my ($type, $reply, @payload) =
1171 "ARRAY" eq ref $msg
1172 ? @$msg
1173 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1174
1175 my @reply;
1176
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1177 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1178 @reply = $cb->($pl, @payload);
877 $pl->ext_reply ($msg->{msgid}, %reply);
878 }
879 } 1179 }
1180
1181 $pl->ext_reply ($reply, @reply)
1182 if $reply;
1183
880 } else { 1184 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1185 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1186 }
883 1187
884 cf::override; 1188 cf::override;
885 }, 1189 },
886); 1190);
887 1191
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 1192sub load_extensions {
1193 cf::sync_job {
1194 my %todo;
1195
923 for my $ext (<$LIBDIR/*.ext>) { 1196 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1197 next unless -r $path;
925 eval { 1198
926 load_extension $ext; 1199 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1200 my $base = $1;
1201 my $pkg = $1;
1202 $pkg =~ s/[^[:word:]]/_/g;
1203 $pkg = "ext::$pkg";
1204
1205 open my $fh, "<:utf8", $path
1206 or die "$path: $!";
1207
1208 my $source = do { local $/; <$fh> };
1209
1210 my %ext = (
1211 path => $path,
1212 base => $base,
1213 pkg => $pkg,
1214 );
1215
1216 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1217 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1218
1219 $ext{source} =
1220 "package $pkg; use strict; use utf8;\n"
1221 . "#line 1 \"$path\"\n{\n"
1222 . $source
1223 . "\n};\n1";
1224
1225 $todo{$base} = \%ext;
1226 }
1227
1228 my %done;
1229 while (%todo) {
1230 my $progress;
1231
1232 while (my ($k, $v) = each %todo) {
1233 for (split /,\s*/, $v->{meta}{depends}) {
1234 goto skip
1235 unless exists $done{$_};
1236 }
1237
1238 warn "... loading '$k' into '$v->{pkg}'\n";
1239
1240 unless (eval $v->{source}) {
1241 my $msg = $@ ? "$v->{path}: $@\n"
1242 : "$v->{base}: extension inactive.\n";
1243
1244 if (exists $v->{meta}{mandatory}) {
1245 warn $msg;
1246 warn "mandatory extension failed to load, exiting.\n";
1247 exit 1;
1248 }
1249
1250 warn $msg;
1251 }
1252
1253 $done{$k} = delete $todo{$k};
1254 push @EXTS, $v->{pkg};
1255 $progress = 1;
927 1 1256 }
928 } or warn "$ext not loaded: $@"; 1257
1258 skip:
1259 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1260 unless $progress;
1261 }
929 } 1262 };
930} 1263}
931 1264
932############################################################################# 1265#############################################################################
933 1266
1267=back
1268
934=head2 CORE EXTENSIONS 1269=head2 CORE EXTENSIONS
935 1270
936Functions and methods that extend core crossfire objects. 1271Functions and methods that extend core crossfire objects.
937 1272
938=cut 1273=cut
943 1278
944=head3 cf::player 1279=head3 cf::player
945 1280
946=over 4 1281=over 4
947 1282
1283=item cf::player::num_playing
1284
1285Returns the official number of playing players, as per the Crossfire metaserver rules.
1286
1287=cut
1288
1289sub num_playing {
1290 scalar grep
1291 $_->ob->map
1292 && !$_->hidden
1293 && !$_->ob->flag (cf::FLAG_WIZ),
1294 cf::player::list
1295}
1296
948=item cf::player::find $login 1297=item cf::player::find $login
949 1298
950Returns the given player object, loading it if necessary (might block). 1299Returns the given player object, loading it if necessary (might block).
951 1300
952=cut 1301=cut
953 1302
954sub playerdir($) { 1303sub playerdir($) {
955 cf::localdir 1304 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1305 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1306}
961 1307
962sub path($) { 1308sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1309 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1310
965 (playerdir $login) . "/$login.pl" 1311 (playerdir $login) . "/playerdata"
966} 1312}
967 1313
968sub find_active($) { 1314sub find_active($) {
969 $cf::PLAYER{$_[0]} 1315 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1316 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1329 my $login = $_[0];
984 1330
985 my $guard = cf::lock_acquire "user_find:$login"; 1331 my $guard = cf::lock_acquire "user_find:$login";
986 1332
987 $cf::PLAYER{$_[0]} || do { 1333 $cf::PLAYER{$_[0]} || do {
988 my $pl = load_pl path $login 1334 # rename old playerfiles to new ones
1335 #TODO: remove when no longer required
1336 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1337 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1338 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1339 aio_unlink +(playerdir $login) . "/$login.pl";
1340
1341 my $f = new_from_file cf::object::thawer path $login
989 or return; 1342 or return;
1343
1344 $f->next;
1345 my $pl = cf::player::load_pl $f
1346 or return;
1347 local $cf::PLAYER_LOADING{$login} = $pl;
1348 $f->resolve_delayed_derefs;
990 $cf::PLAYER{$login} = $pl 1349 $cf::PLAYER{$login} = $pl
991 } 1350 }
992 } 1351 }
993} 1352}
994 1353
1004 1363
1005 aio_mkdir playerdir $pl, 0770; 1364 aio_mkdir playerdir $pl, 0770;
1006 $pl->{last_save} = $cf::RUNTIME; 1365 $pl->{last_save} = $cf::RUNTIME;
1007 1366
1008 $pl->save_pl ($path); 1367 $pl->save_pl ($path);
1009 Coro::cede; 1368 cf::cede_to_tick;
1010} 1369}
1011 1370
1012sub new($) { 1371sub new($) {
1013 my ($login) = @_; 1372 my ($login) = @_;
1014 1373
1020 $cf::PLAYER{$login} = $self; 1379 $cf::PLAYER{$login} = $self;
1021 1380
1022 $self 1381 $self
1023} 1382}
1024 1383
1384=item $player->send_msg ($channel, $msg, $color, [extra...])
1385
1386=cut
1387
1388sub send_msg {
1389 my $ns = shift->ns
1390 or return;
1391 $ns->send_msg (@_);
1392}
1393
1025=item $pl->quit_character 1394=item $pl->quit_character
1026 1395
1027Nukes the player without looking back. If logged in, the connection will 1396Nukes the player without looking back. If logged in, the connection will
1028be destroyed. May block for a long time. 1397be destroyed. May block for a long time.
1029 1398
1030=cut 1399=cut
1031 1400
1032sub quit_character { 1401sub quit_character {
1033 my ($pl) = @_; 1402 my ($pl) = @_;
1403
1404 my $name = $pl->ob->name;
1034 1405
1035 $pl->{deny_save} = 1; 1406 $pl->{deny_save} = 1;
1036 $pl->password ("*"); # this should lock out the player until we nuked the dir 1407 $pl->password ("*"); # this should lock out the player until we nuked the dir
1037 1408
1038 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1409 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1043 my $path = playerdir $pl; 1414 my $path = playerdir $pl;
1044 my $temp = "$path~$cf::RUNTIME~deleting~"; 1415 my $temp = "$path~$cf::RUNTIME~deleting~";
1045 aio_rename $path, $temp; 1416 aio_rename $path, $temp;
1046 delete $cf::PLAYER{$pl->ob->name}; 1417 delete $cf::PLAYER{$pl->ob->name};
1047 $pl->destroy; 1418 $pl->destroy;
1419
1420 my $prefix = qr<^~\Q$name\E/>;
1421
1422 # nuke player maps
1423 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1424
1048 IO::AIO::aio_rmtree $temp; 1425 IO::AIO::aio_rmtree $temp;
1426}
1427
1428=item $pl->kick
1429
1430Kicks a player out of the game. This destroys the connection.
1431
1432=cut
1433
1434sub kick {
1435 my ($pl, $kicker) = @_;
1436
1437 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1438 $pl->killer ("kicked");
1439 $pl->ns->destroy;
1049} 1440}
1050 1441
1051=item cf::player::list_logins 1442=item cf::player::list_logins
1052 1443
1053Returns am arrayref of all valid playernames in the system, can take a 1444Returns am arrayref of all valid playernames in the system, can take a
1054while and may block, so not sync_job-capable, ever. 1445while and may block, so not sync_job-capable, ever.
1055 1446
1056=cut 1447=cut
1057 1448
1058sub list_logins { 1449sub list_logins {
1059 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1450 my $dirs = aio_readdir $PLAYERDIR
1060 or return []; 1451 or return [];
1061 1452
1062 my @logins; 1453 my @logins;
1063 1454
1064 for my $login (@$dirs) { 1455 for my $login (@$dirs) {
1456 my $path = path $login;
1457
1458 # a .pst is a dead give-away for a valid player
1459 unless (-e "$path.pst") {
1065 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1460 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066 aio_read $fh, 0, 512, my $buf, 0 or next; 1461 aio_read $fh, 0, 512, my $buf, 0 or next;
1067 $buf !~ /^password -------------$/m or next; # official not-valid tag 1462 $buf !~ /^password -------------$/m or next; # official not-valid tag
1463 }
1068 1464
1069 utf8::decode $login; 1465 utf8::decode $login;
1070 push @logins, $login; 1466 push @logins, $login;
1071 } 1467 }
1072 1468
1099 } 1495 }
1100 1496
1101 \@paths 1497 \@paths
1102} 1498}
1103 1499
1500=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1501
1502Expand crossfire pod fragments into protocol xml.
1503
1504=cut
1505
1506sub expand_cfpod {
1507 ((my $self), (local $_)) = @_;
1508
1509 # escape & and <
1510 s/&/&amp;/g;
1511 s/(?<![BIUGHT])</&lt;/g;
1512
1513 # this is buggy, it needs to properly take care of nested <'s
1514
1515 1 while
1516 # replace B<>, I<>, U<> etc.
1517 s/B<([^\>]*)>/<b>$1<\/b>/
1518 || s/I<([^\>]*)>/<i>$1<\/i>/
1519 || s/U<([^\>]*)>/<u>$1<\/u>/
1520 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1521 # replace G<male|female> tags
1522 || s{G<([^>|]*)\|([^>]*)>}{
1523 $self->gender ? $2 : $1
1524 }ge
1525 # replace H<hint text>
1526 || s{H<([^\>]*)>}
1527 {
1528 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1529 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1530 "")
1531 [$self->{hintmode}]
1532 }ge;
1533
1534 # create single paragraphs (very hackish)
1535 s/(?<=\S)\n(?=\w)/ /g;
1536
1537 # compress some whitespace
1538 s/\s+\n/\n/g; # ws line-ends
1539 s/\n\n+/\n/g; # double lines
1540 s/^\n+//; # beginning lines
1541 s/\n+$//; # ending lines
1542
1543 $_
1544}
1545
1546sub hintmode {
1547 $_[0]{hintmode} = $_[1] if @_ > 1;
1548 $_[0]{hintmode}
1549}
1550
1104=item $player->ext_reply ($msgid, $msgtype, %msg) 1551=item $player->ext_reply ($msgid, @msg)
1105 1552
1106Sends an ext reply to the player. 1553Sends an ext reply to the player.
1107 1554
1108=cut 1555=cut
1109 1556
1110sub ext_reply($$$%) { 1557sub ext_reply($$@) {
1111 my ($self, $id, %msg) = @_; 1558 my ($self, $id, @msg) = @_;
1112 1559
1113 $msg{msgid} = $id; 1560 $self->ns->ext_reply ($id, @msg)
1114
1115 $self->send ("ext " . cf::to_json \%msg);
1116} 1561}
1117 1562
1118package cf; 1563=item $player->ext_msg ($type, @msg)
1564
1565Sends an ext event to the client.
1566
1567=cut
1568
1569sub ext_msg($$@) {
1570 my ($self, $type, @msg) = @_;
1571
1572 $self->ns->ext_msg ($type, @msg);
1573}
1574
1575=head3 cf::region
1576
1577=over 4
1578
1579=cut
1580
1581package cf::region;
1582
1583=item cf::region::find_by_path $path
1584
1585Tries to decuce the likely region for a map knowing only its path.
1586
1587=cut
1588
1589sub find_by_path($) {
1590 my ($path) = @_;
1591
1592 my ($match, $specificity);
1593
1594 for my $region (list) {
1595 if ($region->{match} && $path =~ $region->{match}) {
1596 ($match, $specificity) = ($region, $region->specificity)
1597 if $region->specificity > $specificity;
1598 }
1599 }
1600
1601 $match
1602}
1119 1603
1120=back 1604=back
1121
1122 1605
1123=head3 cf::map 1606=head3 cf::map
1124 1607
1125=over 4 1608=over 4
1126 1609
1181 my ($self, $merge) = @_; 1664 my ($self, $merge) = @_;
1182 1665
1183 # we have to keep some variables in memory intact 1666 # we have to keep some variables in memory intact
1184 local $self->{path}; 1667 local $self->{path};
1185 local $self->{load_path}; 1668 local $self->{load_path};
1186 local $self->{deny_save};
1187 local $self->{deny_reset};
1188 1669
1189 $self->SUPER::thawer_merge ($merge); 1670 $self->SUPER::thawer_merge ($merge);
1190} 1671}
1191 1672
1192sub normalise { 1673sub normalise {
1239 $self->init; # pass $1 etc. 1720 $self->init; # pass $1 etc.
1240 return $self; 1721 return $self;
1241 } 1722 }
1242 } 1723 }
1243 1724
1244 Carp::carp "unable to resolve path '$path' (base '$base')."; 1725 Carp::cluck "unable to resolve path '$path' (base '$base').";
1245 () 1726 ()
1246} 1727}
1247 1728
1248sub init { 1729sub init {
1249 my ($self) = @_; 1730 my ($self) = @_;
1264 1745
1265# the original (read-only) location 1746# the original (read-only) location
1266sub load_path { 1747sub load_path {
1267 my ($self) = @_; 1748 my ($self) = @_;
1268 1749
1269 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1750 "$MAPDIR/$self->{path}.map"
1270} 1751}
1271 1752
1272# the temporary/swap location 1753# the temporary/swap location
1273sub save_path { 1754sub save_path {
1274 my ($self) = @_; 1755 my ($self) = @_;
1275 1756
1276 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1757 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1758 "$TMPDIR/$path.map"
1278} 1759}
1279 1760
1280# the unique path, undef == no special unique path 1761# the unique path, undef == no special unique path
1281sub uniq_path { 1762sub uniq_path {
1282 my ($self) = @_; 1763 my ($self) = @_;
1283 1764
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1765 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1766 "$UNIQUEDIR/$path"
1286} 1767}
1287 1768
1288# and all this just because we cannot iterate over 1769# and all this just because we cannot iterate over
1289# all maps in C++... 1770# all maps in C++...
1290sub change_all_map_light { 1771sub change_all_map_light {
1292 1773
1293 $_->change_map_light ($change) 1774 $_->change_map_light ($change)
1294 for grep $_->outdoor, values %cf::MAP; 1775 for grep $_->outdoor, values %cf::MAP;
1295} 1776}
1296 1777
1778sub decay_objects {
1779 my ($self) = @_;
1780
1781 return if $self->{deny_reset};
1782
1783 $self->do_decay_objects;
1784}
1785
1297sub unlink_save { 1786sub unlink_save {
1298 my ($self) = @_; 1787 my ($self) = @_;
1299 1788
1300 utf8::encode (my $save = $self->save_path); 1789 utf8::encode (my $save = $self->save_path);
1301 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1790 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1791 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304 #d#TODO remove .map and also nuke
1305 $save =~ s/\.map// or return;#d#
1306 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308} 1792}
1309 1793
1310sub load_header_from($) { 1794sub load_header_from($) {
1311 my ($self, $path) = @_; 1795 my ($self, $path) = @_;
1312 1796
1313 utf8::encode $path; 1797 utf8::encode $path;
1314 #aio_open $path, O_RDONLY, 0 1798 my $f = new_from_file cf::object::thawer $path
1315 # or return;
1316
1317 $self->_load_header ($path)
1318 or return; 1799 or return;
1800
1801 $self->_load_header ($f)
1802 or return;
1803
1804 local $MAP_LOADING{$self->{path}} = $self;
1805 $f->resolve_delayed_derefs;
1319 1806
1320 $self->{load_path} = $path; 1807 $self->{load_path} = $path;
1321 1808
1322 1 1809 1
1323} 1810}
1362 $self->load_header_orig 1849 $self->load_header_orig
1363 or return; 1850 or return;
1364 $self->prepare_orig; 1851 $self->prepare_orig;
1365 } 1852 }
1366 1853
1854 $self->{deny_reset} = 1
1855 if $self->no_reset;
1856
1857 $self->default_region (cf::region::find_by_path $self->{path})
1858 unless $self->default_region;
1859
1367 1 1860 1
1368} 1861}
1369 1862
1370sub find; 1863sub find;
1371sub find { 1864sub find {
1372 my ($path, $origin) = @_; 1865 my ($path, $origin) = @_;
1373 1866
1374 $path = normalise $path, $origin && $origin->path; 1867 $path = normalise $path, $origin && $origin->path;
1375 1868
1869 cf::lock_wait "map_data:$path";#d#remove
1376 cf::lock_wait "map_find:$path"; 1870 cf::lock_wait "map_find:$path";
1377 1871
1378 $cf::MAP{$path} || do { 1872 $cf::MAP{$path} || do {
1379 my $guard = cf::lock_acquire "map_find:$path"; 1873 my $guard1 = cf::lock_acquire "map_find:$path";
1874 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1875
1380 my $map = new_from_path cf::map $path 1876 my $map = new_from_path cf::map $path
1381 or return; 1877 or return;
1382 1878
1383 $map->{last_save} = $cf::RUNTIME; 1879 $map->{last_save} = $cf::RUNTIME;
1384 1880
1385 $map->load_header 1881 $map->load_header
1386 or return; 1882 or return;
1387 1883
1388 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1884 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389 # doing this can freeze the server in a sync job, obviously 1885 # doing this can freeze the server in a sync job, obviously
1390 #$cf::WAIT_FOR_TICK->wait; 1886 #$cf::WAIT_FOR_TICK->wait;
1887 undef $guard1;
1888 undef $guard2;
1391 $map->reset; 1889 $map->reset;
1392 undef $guard;
1393 return find $path; 1890 return find $path;
1394 } 1891 }
1395 1892
1396 $cf::MAP{$path} = $map 1893 $cf::MAP{$path} = $map
1397 } 1894 }
1404 my ($self) = @_; 1901 my ($self) = @_;
1405 1902
1406 local $self->{deny_reset} = 1; # loading can take a long time 1903 local $self->{deny_reset} = 1; # loading can take a long time
1407 1904
1408 my $path = $self->{path}; 1905 my $path = $self->{path};
1906
1907 {
1409 my $guard = cf::lock_acquire "map_load:$path"; 1908 my $guard = cf::lock_acquire "map_data:$path";
1410 1909
1910 return unless $self->valid;
1411 return if $self->in_memory != cf::MAP_SWAPPED; 1911 return unless $self->in_memory == cf::MAP_SWAPPED;
1412 1912
1413 $self->in_memory (cf::MAP_LOADING); 1913 $self->in_memory (cf::MAP_LOADING);
1414 1914
1415 $self->alloc; 1915 $self->alloc;
1416 1916
1417 $self->pre_load; 1917 $self->pre_load;
1918 cf::cede_to_tick;
1418 1919
1419 $self->_load_objects ($self->{load_path}, 1) 1920 my $f = new_from_file cf::object::thawer $self->{load_path};
1921 $f->skip_block;
1922 $self->_load_objects ($f)
1420 or return; 1923 or return;
1421 1924
1422 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1925 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423 if delete $self->{load_original}; 1926 if delete $self->{load_original};
1424 1927
1425 if (my $uniq = $self->uniq_path) { 1928 if (my $uniq = $self->uniq_path) {
1426 utf8::encode $uniq; 1929 utf8::encode $uniq;
1427 if (aio_open $uniq, O_RDONLY, 0) { 1930 unless (aio_stat $uniq) {
1931 if (my $f = new_from_file cf::object::thawer $uniq) {
1428 $self->clear_unique_items; 1932 $self->clear_unique_items;
1429 $self->_load_objects ($uniq, 0); 1933 $self->_load_objects ($f);
1934 $f->resolve_delayed_derefs;
1935 }
1430 } 1936 }
1431 } 1937 }
1432 1938
1433 Coro::cede; 1939 $f->resolve_delayed_derefs;
1434 1940
1941 cf::cede_to_tick;
1435 # now do the right thing for maps 1942 # now do the right thing for maps
1436 $self->link_multipart_objects; 1943 $self->link_multipart_objects;
1437
1438 unless ($self->{deny_activate}) {
1439 $self->decay_objects;
1440 $self->fix_auto_apply;
1441 $self->update_buttons;
1442 Coro::cede;
1443 $self->set_darkness_map;
1444 $self->difficulty ($self->estimate_difficulty) 1944 $self->difficulty ($self->estimate_difficulty)
1445 unless $self->difficulty; 1945 unless $self->difficulty;
1446 Coro::cede; 1946 cf::cede_to_tick;
1947
1948 unless ($self->{deny_activate}) {
1949 $self->decay_objects;
1950 $self->fix_auto_apply;
1951 $self->update_buttons;
1952 cf::cede_to_tick;
1953 $self->set_darkness_map;
1954 cf::cede_to_tick;
1447 $self->activate; 1955 $self->activate;
1956 }
1957
1958 $self->{last_save} = $cf::RUNTIME;
1959 $self->last_access ($cf::RUNTIME);
1960
1961 $self->in_memory (cf::MAP_IN_MEMORY);
1448 } 1962 }
1449 1963
1450 $self->post_load; 1964 $self->post_load;
1451
1452 $self->in_memory (cf::MAP_IN_MEMORY);
1453} 1965}
1454 1966
1455sub customise_for { 1967sub customise_for {
1456 my ($self, $ob) = @_; 1968 my ($self, $ob) = @_;
1457 1969
1458 return find "~" . $ob->name . "/" . $self->{path} 1970 return find "~" . $ob->name . "/" . $self->{path}
1459 if $self->per_player; 1971 if $self->per_player;
1460 1972
1973# return find "?party/" . $ob->name . "/" . $self->{path}
1974# if $self->per_party;
1975
1461 $self 1976 $self
1462} 1977}
1463 1978
1464# find and load all maps in the 3x3 area around a map 1979# find and load all maps in the 3x3 area around a map
1465sub load_diag { 1980sub load_neighbours {
1466 my ($map) = @_; 1981 my ($map) = @_;
1467 1982
1468 my @diag; # diagonal neighbours 1983 my @neigh; # diagonal neighbours
1469 1984
1470 for (0 .. 3) { 1985 for (0 .. 3) {
1471 my $neigh = $map->tile_path ($_) 1986 my $neigh = $map->tile_path ($_)
1472 or next; 1987 or next;
1473 $neigh = find $neigh, $map 1988 $neigh = find $neigh, $map
1474 or next; 1989 or next;
1475 $neigh->load; 1990 $neigh->load;
1476 1991
1992 push @neigh,
1477 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1993 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1478 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1994 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1479 } 1995 }
1480 1996
1481 for (@diag) { 1997 for (grep defined $_->[0], @neigh) {
1998 my ($path, $origin) = @$_;
1482 my $neigh = find @$_ 1999 my $neigh = find $path, $origin
1483 or next; 2000 or next;
1484 $neigh->load; 2001 $neigh->load;
1485 } 2002 }
1486} 2003}
1487 2004
1492} 2009}
1493 2010
1494sub do_load_sync { 2011sub do_load_sync {
1495 my ($map) = @_; 2012 my ($map) = @_;
1496 2013
2014 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2015 if $Coro::current == $Coro::main;
2016
1497 cf::sync_job { $map->load }; 2017 cf::sync_job { $map->load };
1498} 2018}
1499 2019
1500our %MAP_PREFETCH; 2020our %MAP_PREFETCH;
1501our $MAP_PREFETCHER = undef; 2021our $MAP_PREFETCHER = undef;
1502 2022
1503sub find_async { 2023sub find_async {
1504 my ($path, $origin) = @_; 2024 my ($path, $origin, $load) = @_;
1505 2025
1506 $path = normalise $path, $origin && $origin->{path}; 2026 $path = normalise $path, $origin && $origin->{path};
1507 2027
1508 if (my $map = $cf::MAP{$path}) { 2028 if (my $map = $cf::MAP{$path}) {
1509 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2029 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510 } 2030 }
1511 2031
1512 undef $MAP_PREFETCH{$path}; 2032 $MAP_PREFETCH{$path} |= $load;
2033
1513 $MAP_PREFETCHER ||= cf::async { 2034 $MAP_PREFETCHER ||= cf::async {
1514 while (%MAP_PREFETCH) { 2035 while (%MAP_PREFETCH) {
1515 for my $path (keys %MAP_PREFETCH) { 2036 while (my ($k, $v) = each %MAP_PREFETCH) {
1516 my $map = find $path 2037 if (my $map = find $k) {
1517 or next;
1518 $map->load; 2038 $map->load if $v;
2039 }
1519 2040
1520 delete $MAP_PREFETCH{$path}; 2041 delete $MAP_PREFETCH{$k};
1521 } 2042 }
1522 } 2043 }
1523 undef $MAP_PREFETCHER; 2044 undef $MAP_PREFETCHER;
1524 }; 2045 };
1525 $MAP_PREFETCHER->prio (6); 2046 $MAP_PREFETCHER->prio (6);
1528} 2049}
1529 2050
1530sub save { 2051sub save {
1531 my ($self) = @_; 2052 my ($self) = @_;
1532 2053
1533 my $lock = cf::lock_acquire "map_data:" . $self->path; 2054 my $lock = cf::lock_acquire "map_data:$self->{path}";
1534 2055
1535 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1536 2057
1537 return unless $self->dirty; 2058 return unless $self->dirty;
1538 2059
1561 my ($self) = @_; 2082 my ($self) = @_;
1562 2083
1563 # save first because save cedes 2084 # save first because save cedes
1564 $self->save; 2085 $self->save;
1565 2086
1566 my $lock = cf::lock_acquire "map_data:" . $self->path; 2087 my $lock = cf::lock_acquire "map_data:$self->{path}";
1567 2088
1568 return if $self->players; 2089 return if $self->players;
1569 return if $self->in_memory != cf::MAP_IN_MEMORY; 2090 return if $self->in_memory != cf::MAP_IN_MEMORY;
1570 return if $self->{deny_save}; 2091 return if $self->{deny_save};
1571 2092
2093 $self->in_memory (cf::MAP_SWAPPED);
2094
2095 $self->deactivate;
2096 $_->clear_links_to ($self) for values %cf::MAP;
1572 $self->clear; 2097 $self->clear;
1573 $self->in_memory (cf::MAP_SWAPPED);
1574} 2098}
1575 2099
1576sub reset_at { 2100sub reset_at {
1577 my ($self) = @_; 2101 my ($self) = @_;
1578 2102
1579 # TODO: safety, remove and allow resettable per-player maps 2103 # TODO: safety, remove and allow resettable per-player maps
1580 return 1e99 if $self->isa ("ext::map_per_player");#d#
1581 return 1e99 if $self->{deny_reset}; 2104 return 1e99 if $self->{deny_reset};
1582 2105
1583 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2106 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2107 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585 2108
1596 my ($self) = @_; 2119 my ($self) = @_;
1597 2120
1598 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2121 my $lock = cf::lock_acquire "map_data:$self->{path}";
1599 2122
1600 return if $self->players; 2123 return if $self->players;
1601 return if $self->isa ("ext::map_per_player");#d#
1602 2124
1603 warn "resetting map ", $self->path;#d# 2125 warn "resetting map ", $self->path;
2126
2127 $self->in_memory (cf::MAP_SWAPPED);
2128
2129 # need to save uniques path
2130 unless ($self->{deny_save}) {
2131 my $uniq = $self->uniq_path; utf8::encode $uniq;
2132
2133 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2134 if $uniq;
2135 }
1604 2136
1605 delete $cf::MAP{$self->path}; 2137 delete $cf::MAP{$self->path};
1606 2138
1607 $self->in_memory (cf::MAP_SWAPPED); 2139 $self->deactivate;
2140 $_->clear_links_to ($self) for values %cf::MAP;
1608 $self->clear; 2141 $self->clear;
1609
1610 $_->clear_links_to ($self) for values %cf::MAP;
1611 2142
1612 $self->unlink_save; 2143 $self->unlink_save;
1613 $self->destroy; 2144 $self->destroy;
1614} 2145}
1615 2146
1616my $nuke_counter = "aaaa"; 2147my $nuke_counter = "aaaa";
1617 2148
1618sub nuke { 2149sub nuke {
1619 my ($self) = @_; 2150 my ($self) = @_;
1620 2151
2152 {
2153 my $lock = cf::lock_acquire "map_data:$self->{path}";
2154
1621 delete $cf::MAP{$self->path}; 2155 delete $cf::MAP{$self->path};
1622 2156
1623 $self->unlink_save; 2157 $self->unlink_save;
1624 2158
1625 bless $self, "cf::map"; 2159 bless $self, "cf::map";
1626 delete $self->{deny_reset}; 2160 delete $self->{deny_reset};
1627 $self->{deny_save} = 1; 2161 $self->{deny_save} = 1;
1628 $self->reset_timeout (1); 2162 $self->reset_timeout (1);
1629 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2163 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630 2164
1631 $cf::MAP{$self->path} = $self; 2165 $cf::MAP{$self->path} = $self;
2166 }
1632 2167
1633 $self->reset; # polite request, might not happen 2168 $self->reset; # polite request, might not happen
2169}
2170
2171=item $maps = cf::map::tmp_maps
2172
2173Returns an arrayref with all map paths of currently instantiated and saved
2174maps. May block.
2175
2176=cut
2177
2178sub tmp_maps() {
2179 [
2180 map {
2181 utf8::decode $_;
2182 /\.map$/
2183 ? normalise $_
2184 : ()
2185 } @{ aio_readdir $TMPDIR or [] }
2186 ]
2187}
2188
2189=item $maps = cf::map::random_maps
2190
2191Returns an arrayref with all map paths of currently instantiated and saved
2192random maps. May block.
2193
2194=cut
2195
2196sub random_maps() {
2197 [
2198 map {
2199 utf8::decode $_;
2200 /\.map$/
2201 ? normalise "?random/$_"
2202 : ()
2203 } @{ aio_readdir $RANDOMDIR or [] }
2204 ]
1634} 2205}
1635 2206
1636=item cf::map::unique_maps 2207=item cf::map::unique_maps
1637 2208
1638Returns an arrayref of paths of all shared maps that have 2209Returns an arrayref of paths of all shared maps that have
1639instantiated unique items. May block. 2210instantiated unique items. May block.
1640 2211
1641=cut 2212=cut
1642 2213
1643sub unique_maps() { 2214sub unique_maps() {
1644 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2215 [
1645 or return; 2216 map {
1646
1647 my @paths;
1648
1649 for (@$files) {
1650 utf8::decode $_; 2217 utf8::decode $_;
1651 next if /\.pst$/; 2218 /\.map$/
1652 next unless /^$PATH_SEP/o; 2219 ? normalise $_
1653 2220 : ()
1654 push @paths, cf::map::normalise $_; 2221 } @{ aio_readdir $UNIQUEDIR or [] }
1655 } 2222 ]
1656
1657 \@paths
1658} 2223}
1659 2224
1660package cf; 2225package cf;
1661 2226
1662=back 2227=back
1680 map { $_, inv_recursive_ $_->inv } @_ 2245 map { $_, inv_recursive_ $_->inv } @_
1681} 2246}
1682 2247
1683sub inv_recursive { 2248sub inv_recursive {
1684 inv_recursive_ inv $_[0] 2249 inv_recursive_ inv $_[0]
2250}
2251
2252=item $ref = $ob->ref
2253
2254creates and returns a persistent reference to an objetc that can be stored as a string.
2255
2256=item $ob = cf::object::deref ($refstring)
2257
2258returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2259even if the object actually exists. May block.
2260
2261=cut
2262
2263sub deref {
2264 my ($ref) = @_;
2265
2266 # temporary compatibility#TODO#remove
2267 $ref =~ s{^<}{player/<};
2268
2269 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2270 my ($uuid, $name) = ($1, $2);
2271 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2272 or return;
2273 $pl->ob->uuid eq $uuid
2274 or return;
2275
2276 $pl->ob
2277 } else {
2278 warn "$ref: cannot resolve object reference\n";
2279 undef
2280 }
1685} 2281}
1686 2282
1687package cf; 2283package cf;
1688 2284
1689=back 2285=back
1708 2304
1709 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2305 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710 2306
1711 if ($self->{record_replies}) { 2307 if ($self->{record_replies}) {
1712 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2308 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2309
1713 } else { 2310 } else {
2311 my $pl = $self->contr;
2312
2313 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2314 my $dialog = $pl->{npc_dialog};
2315 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2316
2317 } else {
1714 $msg = $npc->name . " says: $msg" if $npc; 2318 $msg = $npc->name . " says: $msg" if $npc;
1715 $self->message ($msg, $flags); 2319 $self->message ($msg, $flags);
2320 }
1716 } 2321 }
2322}
2323
2324=item $object->send_msg ($channel, $msg, $color, [extra...])
2325
2326=cut
2327
2328sub cf::object::send_msg {
2329 my $pl = shift->contr
2330 or return;
2331 $pl->send_msg (@_);
1717} 2332}
1718 2333
1719=item $player_object->may ("access") 2334=item $player_object->may ("access")
1720 2335
1721Returns wether the given player is authorized to access resource "access" 2336Returns wether the given player is authorized to access resource "access"
1768 $self->deactivate_recursive; 2383 $self->deactivate_recursive;
1769 2384
1770 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2385 return if UNIVERSAL::isa $self->map, "ext::map_link";
1771 2386
1772 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2387 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773 if $self->map; 2388 if $self->map && $self->map->{path} ne "{link}";
1774 2389
1775 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2390 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1776} 2391}
1777 2392
1778sub cf::object::player::leave_link { 2393sub cf::object::player::leave_link {
1779 my ($self, $map, $x, $y) = @_; 2394 my ($self, $map, $x, $y) = @_;
2395
2396 return unless $self->contr->active;
1780 2397
1781 my $link_pos = delete $self->{_link_pos}; 2398 my $link_pos = delete $self->{_link_pos};
1782 2399
1783 unless ($map) { 2400 unless ($map) {
1784 # restore original map position 2401 # restore original map position
1798 # use -1 or undef as default coordinates, not 0, 0 2415 # use -1 or undef as default coordinates, not 0, 0
1799 ($x, $y) = ($map->enter_x, $map->enter_y) 2416 ($x, $y) = ($map->enter_x, $map->enter_y)
1800 if $x <=0 && $y <= 0; 2417 if $x <=0 && $y <= 0;
1801 2418
1802 $map->load; 2419 $map->load;
1803 $map->load_diag; 2420 $map->load_neighbours;
1804 2421
1805 return unless $self->contr->active; 2422 return unless $self->contr->active;
1806 $self->activate_recursive; 2423 $self->activate_recursive;
2424
2425 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807 $self->enter_map ($map, $x, $y); 2426 $self->enter_map ($map, $x, $y);
1808} 2427}
1809 2428
1810cf::player->attach ( 2429=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811 on_logout => sub {
1812 my ($pl) = @_;
1813 2430
1814 # abort map switching before logout 2431Moves the player to the given map-path and coordinates by first freezing
1815 if ($pl->ob->{_link_pos}) { 2432her, loading and preparing them map, calling the provided $check callback
1816 cf::sync_job { 2433that has to return the map if sucecssful, and then unfreezes the player on
1817 $pl->ob->leave_link 2434the new (success) or old (failed) map position. In either case, $done will
1818 }; 2435be called at the end of this process.
1819 }
1820 },
1821 on_login => sub {
1822 my ($pl) = @_;
1823 2436
1824 # try to abort aborted map switching on player login :)
1825 # should happen only on crashes
1826 if ($pl->ob->{_link_pos}) {
1827 $pl->ob->enter_link;
1828 (async {
1829 # we need this sleep as the login has a concurrent enter_exit running
1830 # and this sleep increases chances of the player not ending up in scorn
1831 $pl->ob->reply (undef,
1832 "There was an internal problem at your last logout, "
1833 . "the server will try to bring you to your intended destination in a second.",
1834 cf::NDI_RED);
1835 Coro::Timer::sleep 1;
1836 $pl->ob->leave_link;
1837 })->prio (2);
1838 }
1839 },
1840);
1841
1842=item $player_object->goto ($path, $x, $y)
1843
1844=cut 2437=cut
2438
2439our $GOTOGEN;
1845 2440
1846sub cf::object::player::goto { 2441sub cf::object::player::goto {
1847 my ($self, $path, $x, $y) = @_; 2442 my ($self, $path, $x, $y, $check, $done) = @_;
2443
2444 # do generation counting so two concurrent goto's will be executed in-order
2445 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848 2446
1849 $self->enter_link; 2447 $self->enter_link;
1850 2448
1851 (async { 2449 (async {
1852 my $map = eval { 2450 my $map = eval {
1853 my $map = cf::map::find $path; 2451 my $map = cf::map::find $path;
2452
2453 if ($map) {
1854 $map = $map->customise_for ($self) if $map; 2454 $map = $map->customise_for ($self);
2455 $map = $check->($map) if $check && $map;
2456 } else {
2457 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2458 }
2459
1855 $map 2460 $map
2461 };
2462
2463 if ($@) {
2464 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2465 LOG llevError | logBacktrace, Carp::longmess $@;
1856 } or 2466 }
1857 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858 2467
2468 if ($gen == $self->{_goto_generation}) {
2469 delete $self->{_goto_generation};
1859 $self->leave_link ($map, $x, $y); 2470 $self->leave_link ($map, $x, $y);
2471 }
2472
2473 $done->() if $done;
1860 })->prio (1); 2474 })->prio (1);
1861} 2475}
1862 2476
1863=item $player_object->enter_exit ($exit_object) 2477=item $player_object->enter_exit ($exit_object)
1864 2478
1903 2517
1904 $rmp->{random_seed} ||= $exit->random_seed; 2518 $rmp->{random_seed} ||= $exit->random_seed;
1905 2519
1906 my $data = cf::to_json $rmp; 2520 my $data = cf::to_json $rmp;
1907 my $md5 = Digest::MD5::md5_hex $data; 2521 my $md5 = Digest::MD5::md5_hex $data;
1908 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2522 my $meta = "$RANDOMDIR/$md5.meta";
1909 2523
1910 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2524 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911 aio_write $fh, 0, (length $data), $data, 0; 2525 aio_write $fh, 0, (length $data), $data, 0;
1912 undef $fh; 2526 undef $fh;
1913 aio_rename "$meta~", $meta; 2527 aio_rename "$meta~", $meta;
1922 2536
1923 return unless $self->type == cf::PLAYER; 2537 return unless $self->type == cf::PLAYER;
1924 2538
1925 if ($exit->slaying eq "/!") { 2539 if ($exit->slaying eq "/!") {
1926 #TODO: this should de-fi-ni-te-ly not be a sync-job 2540 #TODO: this should de-fi-ni-te-ly not be a sync-job
2541 # the problem is that $exit might not survive long enough
2542 # so it needs to be done right now, right here
1927 cf::sync_job { prepare_random_map $exit }; 2543 cf::sync_job { prepare_random_map $exit };
1928 } 2544 }
1929 2545
1930 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2546 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931 my $hp = $exit->stats->hp; 2547 my $hp = $exit->stats->hp;
1932 my $sp = $exit->stats->sp; 2548 my $sp = $exit->stats->sp;
1933 2549
1934 $self->enter_link; 2550 $self->enter_link;
2551
2552 # if exit is damned, update players death & WoR home-position
2553 $self->contr->savebed ($slaying, $hp, $sp)
2554 if $exit->flag (FLAG_DAMNED);
1935 2555
1936 (async { 2556 (async {
1937 $self->deactivate_recursive; # just to be sure 2557 $self->deactivate_recursive; # just to be sure
1938 unless (eval { 2558 unless (eval {
1939 $self->goto ($slaying, $hp, $sp); 2559 $self->goto ($slaying, $hp, $sp);
1940 2560
1941 1; 2561 1;
1942 }) { 2562 }) {
1943 $self->message ("Something went wrong deep within the crossfire server. " 2563 $self->message ("Something went wrong deep within the crossfire server. "
1944 . "I'll try to bring you back to the map you were before. " 2564 . "I'll try to bring you back to the map you were before. "
1945 . "Please report this to the dungeon master!", 2565 . "Please report this to the dungeon master!",
1946 cf::NDI_UNIQUE | cf::NDI_RED); 2566 cf::NDI_UNIQUE | cf::NDI_RED);
1947 2567
1948 warn "ERROR in enter_exit: $@"; 2568 warn "ERROR in enter_exit: $@";
1949 $self->leave_link; 2569 $self->leave_link;
1950 } 2570 }
1951 })->prio (1); 2571 })->prio (1);
1964 2584
1965sub cf::client::send_drawinfo { 2585sub cf::client::send_drawinfo {
1966 my ($self, $text, $flags) = @_; 2586 my ($self, $text, $flags) = @_;
1967 2587
1968 utf8::encode $text; 2588 utf8::encode $text;
1969 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2589 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970} 2590}
1971 2591
2592=item $client->send_msg ($channel, $msg, $color, [extra...])
2593
2594Send a drawinfo or msg packet to the client, formatting the msg for the
2595client if neccessary. C<$type> should be a string identifying the type of
2596the message, with C<log> being the default. If C<$color> is negative, suppress
2597the message unless the client supports the msg packet.
2598
2599=cut
2600
2601our %CHANNEL = (
2602 "c/identify" => {
2603 id => "identify",
2604 title => "Identify",
2605 reply => undef,
2606 tooltip => "Items recently identified",
2607 },
2608 "c/examine" => {
2609 id => "examine",
2610 title => "Examine",
2611 reply => undef,
2612 tooltip => "Signs and other items you examined",
2613 },
2614);
2615
2616sub cf::client::send_msg {
2617 my ($self, $channel, $msg, $color, @extra) = @_;
2618
2619 $msg = $self->pl->expand_cfpod ($msg);
2620
2621 $color &= cf::NDI_CLIENT_MASK; # just in case...
2622
2623 # check predefined channels, for the benefit of C
2624 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2625
2626 if (ref $channel) {
2627 # send meta info to client, if not yet sent
2628 unless (exists $self->{channel}{$channel->{id}}) {
2629 $self->{channel}{$channel->{id}} = $channel;
2630 $self->ext_msg (channel_info => $channel)
2631 if $self->can_msg;
2632 }
2633
2634 $channel = $channel->{id};
2635 }
2636
2637 return unless @extra || length $msg;
2638
2639 if ($self->can_msg) {
2640 # default colour, mask it out
2641 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2642 if $color & cf::NDI_DEF;
2643
2644 $self->send_packet ("msg " . $self->{json_coder}->encode (
2645 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2646 } else {
2647 if ($color >= 0) {
2648 # replace some tags by gcfclient-compatible ones
2649 for ($msg) {
2650 1 while
2651 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2652 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2653 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2654 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2655 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2656 }
2657
2658 $color &= cf::NDI_COLOR_MASK;
2659
2660 utf8::encode $msg;
2661
2662 if (0 && $msg =~ /\[/) {
2663 # COMMAND/INFO
2664 $self->send_packet ("drawextinfo $color 10 8 $msg")
2665 } else {
2666 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2667 $self->send_packet ("drawinfo $color $msg")
2668 }
2669 }
2670 }
2671}
2672
2673=item $client->ext_msg ($type, @msg)
2674
2675Sends an ext event to the client.
2676
2677=cut
2678
2679sub cf::client::ext_msg($$@) {
2680 my ($self, $type, @msg) = @_;
2681
2682 if ($self->extcmd == 2) {
2683 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2684 } elsif ($self->extcmd == 1) { # TODO: remove
2685 push @msg, msgtype => "event_$type";
2686 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2687 }
2688}
2689
2690=item $client->ext_reply ($msgid, @msg)
2691
2692Sends an ext reply to the client.
2693
2694=cut
2695
2696sub cf::client::ext_reply($$@) {
2697 my ($self, $id, @msg) = @_;
2698
2699 if ($self->extcmd == 2) {
2700 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2701 } elsif ($self->extcmd == 1) {
2702 #TODO: version 1, remove
2703 unshift @msg, msgtype => "reply", msgid => $id;
2704 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2705 }
2706}
1972 2707
1973=item $success = $client->query ($flags, "text", \&cb) 2708=item $success = $client->query ($flags, "text", \&cb)
1974 2709
1975Queues a query to the client, calling the given callback with 2710Queues a query to the client, calling the given callback with
1976the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2711the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2712C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978 2713
1979Queries can fail, so check the return code. Or don't, as queries will become 2714Queries can fail, so check the return code. Or don't, as queries will
1980reliable at some point in the future. 2715become reliable at some point in the future.
1981 2716
1982=cut 2717=cut
1983 2718
1984sub cf::client::query { 2719sub cf::client::query {
1985 my ($self, $flags, $text, $cb) = @_; 2720 my ($self, $flags, $text, $cb) = @_;
1993 utf8::encode $text; 2728 utf8::encode $text;
1994 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2729 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995 2730
1996 $self->send_packet ($self->{query_queue}[0][0]) 2731 $self->send_packet ($self->{query_queue}[0][0])
1997 if @{ $self->{query_queue} } == 1; 2732 if @{ $self->{query_queue} } == 1;
2733
2734 1
1998} 2735}
1999 2736
2000cf::client->attach ( 2737cf::client->attach (
2738 on_connect => sub {
2739 my ($ns) = @_;
2740
2741 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2742 },
2001 on_reply => sub { 2743 on_reply => sub {
2002 my ($ns, $msg) = @_; 2744 my ($ns, $msg) = @_;
2003 2745
2004 # this weird shuffling is so that direct followup queries 2746 # this weird shuffling is so that direct followup queries
2005 # get handled first 2747 # get handled first
2017 } else { 2759 } else {
2018 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2760 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019 } 2761 }
2020 } 2762 }
2021 }, 2763 },
2764 on_exticmd => sub {
2765 my ($ns, $buf) = @_;
2766
2767 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2768
2769 if (ref $msg) {
2770 my ($type, $reply, @payload) =
2771 "ARRAY" eq ref $msg
2772 ? @$msg
2773 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2774
2775 my @reply;
2776
2777 if (my $cb = $EXTICMD{$type}) {
2778 @reply = $cb->($ns, @payload);
2779 }
2780
2781 $ns->ext_reply ($reply, @reply)
2782 if $reply;
2783
2784 } else {
2785 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2786 }
2787
2788 cf::override;
2789 },
2022); 2790);
2023 2791
2024=item $client->async (\&cb) 2792=item $client->async (\&cb)
2025 2793
2026Create a new coroutine, running the specified callback. The coroutine will 2794Create a new coroutine, running the specified callback. The coroutine will
2067our $safe = new Safe "safe"; 2835our $safe = new Safe "safe";
2068our $safe_hole = new Safe::Hole; 2836our $safe_hole = new Safe::Hole;
2069 2837
2070$SIG{FPE} = 'IGNORE'; 2838$SIG{FPE} = 'IGNORE';
2071 2839
2072$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2840$safe->permit_only (Opcode::opset qw(
2841 :base_core :base_mem :base_orig :base_math
2842 grepstart grepwhile mapstart mapwhile
2843 sort time
2844));
2073 2845
2074# here we export the classes and methods available to script code 2846# here we export the classes and methods available to script code
2075 2847
2076=pod 2848=pod
2077 2849
2078The following fucntions and emthods are available within a safe environment: 2850The following functions and methods are available within a safe environment:
2079 2851
2080 cf::object contr pay_amount pay_player map 2852 cf::object
2853 contr pay_amount pay_player map x y force_find force_add
2854 insert remove name archname title slaying race decrease_ob_nr
2855
2081 cf::object::player player 2856 cf::object::player
2082 cf::player peaceful 2857 player
2083 cf::map trigger 2858
2859 cf::player
2860 peaceful
2861
2862 cf::map
2863 trigger
2084 2864
2085=cut 2865=cut
2086 2866
2087for ( 2867for (
2088 ["cf::object" => qw(contr pay_amount pay_player map)], 2868 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869 insert remove inv name archname title slaying race
2870 decrease_ob_nr)],
2089 ["cf::object::player" => qw(player)], 2871 ["cf::object::player" => qw(player)],
2090 ["cf::player" => qw(peaceful)], 2872 ["cf::player" => qw(peaceful)],
2091 ["cf::map" => qw(trigger)], 2873 ["cf::map" => qw(trigger)],
2092) { 2874) {
2093 no strict 'refs'; 2875 no strict 'refs';
2164=back 2946=back
2165 2947
2166=cut 2948=cut
2167 2949
2168############################################################################# 2950#############################################################################
2169
2170=head2 EXTENSION DATABASE SUPPORT
2171
2172Crossfire maintains a very simple database for extension use. It can
2173currently store anything that can be serialised using Storable, which
2174excludes objects.
2175
2176The parameter C<$family> should best start with the name of the extension
2177using it, it should be unique.
2178
2179=over 4
2180
2181=item $hashref = cf::db_get $family
2182
2183Return a hashref for use by the extension C<$family>, which can be
2184modified. After modifications, you have to call C<cf::db_dirty> or
2185C<cf::db_sync>.
2186
2187=item $value = cf::db_get $family => $key
2188
2189Returns a single value from the database
2190
2191=item cf::db_put $family => $hashref
2192
2193Stores the given family hashref into the database. Updates are delayed, if
2194you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196=item cf::db_put $family => $key => $value
2197
2198Stores the given C<$value> in the family hash. Updates are delayed, if you
2199want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201=item cf::db_dirty
2202
2203Marks the database as dirty, to be updated at a later time.
2204
2205=item cf::db_sync
2206
2207Immediately write the database to disk I<if it is dirty>.
2208
2209=cut
2210
2211our $DB;
2212
2213{
2214 my $path = cf::localdir . "/database.pst";
2215
2216 sub db_load() {
2217 $DB = stat $path ? Storable::retrieve $path : { };
2218 }
2219
2220 my $pid;
2221
2222 sub db_save() {
2223 waitpid $pid, 0 if $pid;
2224 if (0 == ($pid = fork)) {
2225 $DB->{_meta}{version} = 1;
2226 Storable::nstore $DB, "$path~";
2227 rename "$path~", $path;
2228 cf::_exit 0 if defined $pid;
2229 }
2230 }
2231
2232 my $dirty;
2233
2234 sub db_sync() {
2235 db_save if $dirty;
2236 undef $dirty;
2237 }
2238
2239 my $idle = Event->idle (
2240 reentrant => 0,
2241 min => 10,
2242 max => 20,
2243 repeat => 0,
2244 data => WF_AUTOCANCEL,
2245 cb => \&db_sync,
2246 );
2247
2248 sub db_dirty() {
2249 $dirty = 1;
2250 $idle->start;
2251 }
2252
2253 sub db_get($;$) {
2254 @_ >= 2
2255 ? $DB->{$_[0]}{$_[1]}
2256 : ($DB->{$_[0]} ||= { })
2257 }
2258
2259 sub db_put($$;$) {
2260 if (@_ >= 3) {
2261 $DB->{$_[0]}{$_[1]} = $_[2];
2262 } else {
2263 $DB->{$_[0]} = $_[1];
2264 }
2265 db_dirty;
2266 }
2267
2268 cf::global->attach (
2269 prio => 10000,
2270 on_cleanup => sub {
2271 db_sync;
2272 },
2273 );
2274}
2275
2276#############################################################################
2277# the server's init and main functions 2951# the server's init and main functions
2278 2952
2279sub load_resources { 2953sub load_facedata($) {
2280 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2954 my ($path) = @_;
2955
2956 # HACK to clear player env face cache, we need some signal framework
2957 # for this (global event?)
2958 %ext::player_env::MUSIC_FACE_CACHE = ();
2959
2960 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2961
2962 warn "loading facedata from $path\n";
2963
2964 my $facedata;
2965 0 < aio_load $path, $facedata
2966 or die "$path: $!";
2967
2968 $facedata = Coro::Storable::thaw $facedata;
2969
2970 $facedata->{version} == 2
2971 or cf::cleanup "$path: version mismatch, cannot proceed.";
2972
2973 # patch in the exptable
2974 $facedata->{resource}{"res/exp_table"} = {
2975 type => FT_RSRC,
2976 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2977 };
2978 cf::cede_to_tick;
2979
2980 {
2981 my $faces = $facedata->{faceinfo};
2982
2983 while (my ($face, $info) = each %$faces) {
2984 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2985 cf::face::set_visibility $idx, $info->{visibility};
2986 cf::face::set_magicmap $idx, $info->{magicmap};
2987 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2988 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2989
2990 cf::cede_to_tick;
2991 }
2992
2993 while (my ($face, $info) = each %$faces) {
2994 next unless $info->{smooth};
2995 my $idx = cf::face::find $face
2996 or next;
2997 if (my $smooth = cf::face::find $info->{smooth}) {
2998 cf::face::set_smooth $idx, $smooth;
2999 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3000 } else {
3001 warn "smooth face '$info->{smooth}' not found for face '$face'";
3002 }
3003
3004 cf::cede_to_tick;
3005 }
3006 }
3007
3008 {
3009 my $anims = $facedata->{animinfo};
3010
3011 while (my ($anim, $info) = each %$anims) {
3012 cf::anim::set $anim, $info->{frames}, $info->{facings};
3013 cf::cede_to_tick;
3014 }
3015
3016 cf::anim::invalidate_all; # d'oh
3017 }
3018
3019 {
3020 # TODO: for gcfclient pleasure, we should give resources
3021 # that gcfclient doesn't grok a >10000 face index.
3022 my $res = $facedata->{resource};
3023
3024 my $soundconf = delete $res->{"res/sound.conf"};
3025
3026 while (my ($name, $info) = each %$res) {
3027 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3028 my $data;
3029
3030 if ($info->{type} & 1) {
3031 # prepend meta info
3032
3033 my $meta = $enc->encode ({
3034 name => $name,
3035 %{ $info->{meta} || {} },
3036 });
3037
3038 $data = pack "(w/a*)*", $meta, $info->{data};
3039 } else {
3040 $data = $info->{data};
3041 }
3042
3043 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3044 cf::face::set_type $idx, $info->{type};
3045
3046 cf::cede_to_tick;
3047 }
3048
3049 if ($soundconf) {
3050 $soundconf = $enc->decode (delete $soundconf->{data});
3051
3052 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3053 my $sound = $soundconf->{compat}[$_]
3054 or next;
3055
3056 my $face = cf::face::find "sound/$sound->[1]";
3057 cf::sound::set $sound->[0] => $face;
3058 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3059 }
3060
3061 while (my ($k, $v) = each %{$soundconf->{event}}) {
3062 my $face = cf::face::find "sound/$v";
3063 cf::sound::set $k => $face;
3064 }
3065 }
3066 }
3067
3068 1
3069}
3070
3071register_exticmd fx_want => sub {
3072 my ($ns, $want) = @_;
3073
3074 while (my ($k, $v) = each %$want) {
3075 $ns->fx_want ($k, $v);
3076 }
3077};
3078
3079sub reload_regions {
3080 # HACK to clear player env face cache, we need some signal framework
3081 # for this (global event?)
3082 %ext::player_env::MUSIC_FACE_CACHE = ();
3083
3084 load_resource_file "$MAPDIR/regions"
2281 or die "unable to load regions file\n";#d# 3085 or die "unable to load regions file\n";
2282}
2283 3086
2284sub cfg_load { 3087 for (cf::region::list) {
3088 $_->{match} = qr/$_->{match}/
3089 if exists $_->{match};
3090 }
3091}
3092
3093sub reload_facedata {
3094 load_facedata "$DATADIR/facedata"
3095 or die "unable to load facedata\n";
3096}
3097
3098sub reload_archetypes {
3099 load_resource_file "$DATADIR/archetypes"
3100 or die "unable to load archetypes\n";
3101 #d# NEED to laod twice to resolve forward references
3102 # this really needs to be done in an extra post-pass
3103 # (which needs to be synchronous, so solve it differently)
3104 load_resource_file "$DATADIR/archetypes"
3105 or die "unable to load archetypes\n";
3106}
3107
3108sub reload_treasures {
3109 load_resource_file "$DATADIR/treasures"
3110 or die "unable to load treasurelists\n";
3111}
3112
3113sub reload_resources {
3114 warn "reloading resource files...\n";
3115
3116 reload_regions;
3117 reload_facedata;
3118 #reload_archetypes;#d#
3119 reload_archetypes;
3120 reload_treasures;
3121
3122 warn "finished reloading resource files\n";
3123}
3124
3125sub init {
3126 reload_resources;
3127}
3128
3129sub reload_config {
2285 open my $fh, "<:utf8", cf::confdir . "/config" 3130 open my $fh, "<:utf8", "$CONFDIR/config"
2286 or return; 3131 or return;
2287 3132
2288 local $/; 3133 local $/;
2289 *CFG = YAML::Syck::Load <$fh>; 3134 *CFG = YAML::Syck::Load <$fh>;
2290 3135
2298 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3143 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299 and die "WARNING: m(un)lockall failed: $!\n"; 3144 and die "WARNING: m(un)lockall failed: $!\n";
2300 }; 3145 };
2301 warn $@ if $@; 3146 warn $@ if $@;
2302 } 3147 }
2303}
2304
2305sub init {
2306 load_resources;
2307} 3148}
2308 3149
2309sub main { 3150sub main {
2310 # we must not ever block the main coroutine 3151 # we must not ever block the main coroutine
2311 local $Coro::idle = sub { 3152 local $Coro::idle = sub {
2313 (async { 3154 (async {
2314 Event::one_event; 3155 Event::one_event;
2315 })->prio (Coro::PRIO_MAX); 3156 })->prio (Coro::PRIO_MAX);
2316 }; 3157 };
2317 3158
2318 cfg_load; 3159 reload_config;
2319 db_load; 3160 db_init;
2320 load_extensions; 3161 load_extensions;
2321 3162
2322 $TICK_WATCHER->start; 3163 $TICK_WATCHER->start;
2323 Event::loop; 3164 Event::loop;
2324} 3165}
2339 }, 3180 },
2340 ); 3181 );
2341 } 3182 }
2342} 3183}
2343 3184
3185sub write_runtime {
3186 my $runtime = "$LOCALDIR/runtime";
3187
3188 # first touch the runtime file to show we are still running:
3189 # the fsync below can take a very very long time.
3190
3191 IO::AIO::aio_utime $runtime, undef, undef;
3192
3193 my $guard = cf::lock_acquire "write_runtime";
3194
3195 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3196 or return;
3197
3198 my $value = $cf::RUNTIME + 90 + 10;
3199 # 10 is the runtime save interval, for a monotonic clock
3200 # 60 allows for the watchdog to kill the server.
3201
3202 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3203 and return;
3204
3205 # always fsync - this file is important
3206 aio_fsync $fh
3207 and return;
3208
3209 # touch it again to show we are up-to-date
3210 aio_utime $fh, undef, undef;
3211
3212 close $fh
3213 or return;
3214
3215 aio_rename "$runtime~", $runtime
3216 and return;
3217
3218 warn "runtime file written.\n";
3219
3220 1
3221}
3222
2344sub emergency_save() { 3223sub emergency_save() {
2345 my $freeze_guard = cf::freeze_mainloop; 3224 my $freeze_guard = cf::freeze_mainloop;
2346 3225
2347 warn "enter emergency perl save\n"; 3226 warn "enter emergency perl save\n";
2348 3227
2363 my $map = $cf::MAP{$path} or next; 3242 my $map = $cf::MAP{$path} or next;
2364 $map->valid or next; 3243 $map->valid or next;
2365 $map->save; 3244 $map->save;
2366 } 3245 }
2367 warn "end emergency map save\n"; 3246 warn "end emergency map save\n";
3247
3248 warn "begin emergency database checkpoint\n";
3249 BDB::db_env_txn_checkpoint $DB_ENV;
3250 warn "end emergency database checkpoint\n";
2368 }; 3251 };
2369 3252
2370 warn "leave emergency perl save\n"; 3253 warn "leave emergency perl save\n";
2371} 3254}
2372 3255
3256sub post_cleanup {
3257 my ($make_core) = @_;
3258
3259 warn Carp::longmess "post_cleanup backtrace"
3260 if $make_core;
3261}
3262
2373sub reload() { 3263sub do_reload_perl() {
2374 # can/must only be called in main 3264 # can/must only be called in main
2375 if ($Coro::current != $Coro::main) { 3265 if ($Coro::current != $Coro::main) {
2376 warn "can only reload from main coroutine"; 3266 warn "can only reload from main coroutine";
2377 return; 3267 return;
2378 } 3268 }
2379 3269
2380 warn "reloading..."; 3270 warn "reloading...";
2381 3271
2382 warn "cancelling server ticker"; 3272 warn "entering sync_job";
2383 $TICK_WATCHER->cancel;
2384 3273
3274 cf::sync_job {
3275 cf::write_runtime; # external watchdog should not bark
2385 cf::emergency_save; 3276 cf::emergency_save;
3277 cf::write_runtime; # external watchdog should not bark
2386 3278
2387 eval { 3279 warn "syncing database to disk";
3280 BDB::db_env_txn_checkpoint $DB_ENV;
3281
2388 # if anything goes wrong in here, we should simply crash as we already saved 3282 # if anything goes wrong in here, we should simply crash as we already saved
2389
2390 warn "syncing database to disk";
2391 cf::db_sync;
2392 3283
2393 warn "cancelling all WF_AUTOCANCEL watchers"; 3284 warn "cancelling all WF_AUTOCANCEL watchers";
2394 for (Event::all_watchers) { 3285 for (Event::all_watchers) {
2395 $_->cancel if $_->data & WF_AUTOCANCEL; 3286 $_->cancel if $_->data & WF_AUTOCANCEL;
2396 } 3287 }
2397 3288
2398 warn "flushing outstanding aio requests"; 3289 warn "flushing outstanding aio requests";
2399 for (;;) { 3290 for (;;) {
3291 BDB::flush;
2400 IO::AIO::flush; 3292 IO::AIO::flush;
2401 Coro::cede; 3293 Coro::cede;
2402 last unless IO::AIO::nreqs; 3294 last unless IO::AIO::nreqs || BDB::nreqs;
2403 warn "iterate..."; 3295 warn "iterate...";
2404 } 3296 }
3297
3298 ++$RELOAD;
2405 3299
2406 warn "cancelling all extension coros"; 3300 warn "cancelling all extension coros";
2407 $_->cancel for values %EXT_CORO; 3301 $_->cancel for values %EXT_CORO;
2408 %EXT_CORO = (); 3302 %EXT_CORO = ();
2409 3303
2410 warn "removing commands"; 3304 warn "removing commands";
2411 %COMMAND = (); 3305 %COMMAND = ();
2412 3306
2413 warn "removing ext commands"; 3307 warn "removing ext/exti commands";
2414 %EXTCMD = (); 3308 %EXTCMD = ();
3309 %EXTICMD = ();
2415 3310
2416 warn "unloading/nuking all extensions"; 3311 warn "unloading/nuking all extensions";
2417 for my $pkg (@EXTS) { 3312 for my $pkg (@EXTS) {
2418 warn "... unloading $pkg"; 3313 warn "... unloading $pkg";
2419 3314
2449 Symbol::delete_package "safe::$_" 3344 Symbol::delete_package "safe::$_"
2450 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3345 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451 3346
2452 warn "unloading cf.pm \"a bit\""; 3347 warn "unloading cf.pm \"a bit\"";
2453 delete $INC{"cf.pm"}; 3348 delete $INC{"cf.pm"};
3349 delete $INC{"cf/pod.pm"};
2454 3350
2455 # don't, removes xs symbols, too, 3351 # don't, removes xs symbols, too,
2456 # and global variables created in xs 3352 # and global variables created in xs
2457 #Symbol::delete_package __PACKAGE__; 3353 #Symbol::delete_package __PACKAGE__;
2458 3354
2461 warn "reloading cf.pm"; 3357 warn "reloading cf.pm";
2462 require cf; 3358 require cf;
2463 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3359 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464 3360
2465 warn "loading config and database again"; 3361 warn "loading config and database again";
2466 cf::cfg_load; 3362 cf::reload_config;
2467 cf::db_load;
2468 3363
2469 warn "loading extensions"; 3364 warn "loading extensions";
2470 cf::load_extensions; 3365 cf::load_extensions;
2471 3366
2472 warn "reattaching attachments to objects/players"; 3367 warn "reattaching attachments to objects/players";
2473 _global_reattach; 3368 _global_reattach; # objects, sockets
2474 warn "reattaching attachments to maps"; 3369 warn "reattaching attachments to maps";
2475 reattach $_ for values %MAP; 3370 reattach $_ for values %MAP;
3371 warn "reattaching attachments to players";
3372 reattach $_ for values %PLAYER;
2476 3373
2477 warn "loading reloadable resources"; 3374 warn "leaving sync_job";
2478 load_resources;
2479 3375
2480 warn "restarting server ticker"; 3376 1
2481 3377 } or do {
2482 $TICK_WATCHER->start;
2483 };
2484
2485 if ($@) {
2486 warn $@; 3378 warn $@;
2487 warn "error while reloading, exiting."; 3379 warn "error while reloading, exiting.";
2488 exit 1; 3380 exit 1;
2489 } 3381 };
2490 3382
2491 warn "reloaded"; 3383 warn "reloaded";
2492}; 3384};
2493 3385
2494our $RELOAD_WATCHER; # used only during reload 3386our $RELOAD_WATCHER; # used only during reload
2495 3387
3388sub reload_perl() {
3389 # doing reload synchronously and two reloads happen back-to-back,
3390 # coro crashes during coro_state_free->destroy here.
3391
3392 $RELOAD_WATCHER ||= Event->timer (
3393 reentrant => 0,
3394 after => 0,
3395 data => WF_AUTOCANCEL,
3396 cb => sub {
3397 do_reload_perl;
3398 undef $RELOAD_WATCHER;
3399 },
3400 );
3401}
3402
2496register_command "reload" => sub { 3403register_command "reload" => sub {
2497 my ($who, $arg) = @_; 3404 my ($who, $arg) = @_;
2498 3405
2499 if ($who->flag (FLAG_WIZ)) { 3406 if ($who->flag (FLAG_WIZ)) {
2500 $who->message ("reloading server."); 3407 $who->message ("reloading server.");
2501 3408 async { reload_perl };
2502 # doing reload synchronously and two reloads happen back-to-back,
2503 # coro crashes during coro_state_free->destroy here.
2504
2505 $RELOAD_WATCHER ||= Event->timer (
2506 reentrant => 0,
2507 after => 0,
2508 data => WF_AUTOCANCEL,
2509 cb => sub {
2510 reload;
2511 undef $RELOAD_WATCHER;
2512 },
2513 );
2514 } 3409 }
2515}; 3410};
2516 3411
2517unshift @INC, $LIBDIR; 3412unshift @INC, $LIBDIR;
2518 3413
2519my $bug_warning = 0; 3414my $bug_warning = 0;
2520 3415
3416our @WAIT_FOR_TICK;
3417our @WAIT_FOR_TICK_BEGIN;
3418
3419sub wait_for_tick {
3420 return unless $TICK_WATCHER->is_active;
3421 return if $Coro::current == $Coro::main;
3422
3423 my $signal = new Coro::Signal;
3424 push @WAIT_FOR_TICK, $signal;
3425 $signal->wait;
3426}
3427
3428sub wait_for_tick_begin {
3429 return unless $TICK_WATCHER->is_active;
3430 return if $Coro::current == $Coro::main;
3431
3432 my $signal = new Coro::Signal;
3433 push @WAIT_FOR_TICK_BEGIN, $signal;
3434 $signal->wait;
3435}
3436
3437 my $min = 1e6;#d#
3438 my $avg = 10;
2521$TICK_WATCHER = Event->timer ( 3439$TICK_WATCHER = Event->timer (
2522 reentrant => 0, 3440 reentrant => 0,
2523 parked => 1, 3441 parked => 1,
2524 prio => 0, 3442 prio => 0,
2525 at => $NEXT_TICK || $TICK, 3443 at => $NEXT_TICK || $TICK,
2529 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3447 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530 unless ++$bug_warning > 10; 3448 unless ++$bug_warning > 10;
2531 return; 3449 return;
2532 } 3450 }
2533 3451
2534 $NOW = Event::time; 3452 $NOW = $tick_start = Event::time;
2535 3453
2536 cf::server_tick; # one server iteration 3454 cf::server_tick; # one server iteration
3455
3456 0 && sync_job {#d#
3457 for(1..10) {
3458 my $t = Event::time;
3459 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3460 or die;
3461
3462 $map->width (50);
3463 $map->height (50);
3464 $map->alloc;
3465 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3466 my $t = Event::time - $t;
3467
3468 #next unless $t < 0.0013;#d#
3469 if ($t < $min) {
3470 $min = $t;
3471 }
3472 $avg = $avg * 0.99 + $t * 0.01;
3473 }
3474 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3475 exit 0;
3476 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3477 };
3478
2537 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2538 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2539 3481
2540 $WAIT_FOR_TICK->broadcast; 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
2542 3484 Coro::async_pool {
2543 Event::sweep; 3485 write_runtime
2544 Coro::cede_notself; 3486 or warn "ERROR: unable to write runtime file: $!";
3487 };
2545 3488 }
3489
2546# my $AFTER = Event::time; 3490# my $AFTER = Event::time;
2547# warn $AFTER - $NOW;#d# 3491# warn $AFTER - $NOW;#d#
2548 3492
3493 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3494 $sig->send;
3495 }
3496 while (my $sig = shift @WAIT_FOR_TICK) {
3497 $sig->send;
3498 }
3499
3500 $NOW = Event::time;
3501
2549 # if we are delayed by four ticks or more, skip them all 3502 # if we are delayed by four ticks or more, skip them all
2550 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3503 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551 3504
2552 $TICK_WATCHER->at ($NEXT_TICK); 3505 $TICK_WATCHER->at ($NEXT_TICK);
2553 $TICK_WATCHER->start; 3506 $TICK_WATCHER->start;
3507
3508 $LOAD = ($NOW - $tick_start) / $TICK;
3509 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3510
3511 _post_tick;
3512
3513
2554 }, 3514 },
2555); 3515);
2556 3516
3517{
3518 BDB::max_poll_time $TICK * 0.1;
3519 $BDB_POLL_WATCHER = Event->io (
3520 reentrant => 0,
3521 fd => BDB::poll_fileno,
3522 poll => 'r',
3523 prio => 0,
3524 data => WF_AUTOCANCEL,
3525 cb => \&BDB::poll_cb,
3526 );
3527 BDB::min_parallel 8;
3528
3529 BDB::set_sync_prepare {
3530 my $status;
3531 my $current = $Coro::current;
3532 (
3533 sub {
3534 $status = $!;
3535 $current->ready; undef $current;
3536 },
3537 sub {
3538 Coro::schedule while defined $current;
3539 $! = $status;
3540 },
3541 )
3542 };
3543
3544 unless ($DB_ENV) {
3545 $DB_ENV = BDB::db_env_create;
3546
3547 cf::sync_job {
3548 eval {
3549 BDB::db_env_open
3550 $DB_ENV,
3551 $BDBDIR,
3552 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3553 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3554 0666;
3555
3556 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3557
3558 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3559 $DB_ENV->set_lk_detect;
3560 };
3561
3562 cf::cleanup "db_env_open(db): $@" if $@;
3563 };
3564 }
3565}
3566
3567{
3568 IO::AIO::min_parallel 8;
3569
3570 undef $Coro::AIO::WATCHER;
2557IO::AIO::max_poll_time $TICK * 0.1; 3571 IO::AIO::max_poll_time $TICK * 0.1;
2558
2559undef $Coro::AIO::WATCHER;
2560$AIO_POLL_WATCHER = Event->io ( 3572 $AIO_POLL_WATCHER = Event->io (
2561 reentrant => 0, 3573 reentrant => 0,
3574 data => WF_AUTOCANCEL,
2562 fd => IO::AIO::poll_fileno, 3575 fd => IO::AIO::poll_fileno,
2563 poll => 'r', 3576 poll => 'r',
2564 prio => 6, 3577 prio => 6,
2565 data => WF_AUTOCANCEL,
2566 cb => \&IO::AIO::poll_cb, 3578 cb => \&IO::AIO::poll_cb,
2567); 3579 );
3580}
2568 3581
2569$WRITE_RUNTIME_WATCHER = Event->timer ( 3582my $_log_backtrace;
2570 reentrant => 0, 3583
2571 data => WF_AUTOCANCEL, 3584sub _log_backtrace {
2572 after => 1, 3585 my ($msg, @addr) = @_;
2573 interval => 10, 3586
2574 prio => 6, # keep it lowest so it acts like a watchdog 3587 $msg =~ s/\n//;
2575 cb => Coro::unblock_sub { 3588
2576 write_runtime 3589 # limit the # of concurrent backtraces
2577 or warn "ERROR: unable to write runtime file: $!"; 3590 if ($_log_backtrace < 2) {
3591 ++$_log_backtrace;
3592 async {
3593 my @bt = fork_call {
3594 @addr = map { sprintf "%x", $_ } @addr;
3595 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3596 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3597 or die "addr2line: $!";
3598
3599 my @funcs;
3600 my @res = <$fh>;
3601 chomp for @res;
3602 while (@res) {
3603 my ($func, $line) = splice @res, 0, 2, ();
3604 push @funcs, "[$func] $line";
3605 }
3606
3607 @funcs
3608 };
3609
3610 LOG llevInfo, "[ABT] $msg\n";
3611 LOG llevInfo, "[ABT] $_\n" for @bt;
3612 --$_log_backtrace;
3613 };
3614 } else {
3615 LOG llevInfo, "[ABT] $msg\n";
3616 LOG llevInfo, "[ABT] [suppressed]\n";
2578 }, 3617 }
2579); 3618}
3619
3620# load additional modules
3621use cf::pod;
2580 3622
2581END { cf::emergency_save } 3623END { cf::emergency_save }
2582 3624
25831 36251
2584 3626

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