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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 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 ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
31use YAML::Syck ();
24use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
27 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
28use 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
29
30sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31 44
32# 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?
33$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
34 47
35$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
37our %COMMAND = (); 52our %COMMAND = ();
38our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
39 54
40our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
41our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
42our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
43our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
44 60
61our $RELOAD; # number of reloads so far
45our @EVENT; 62our @EVENT;
46our $LIBDIR = datadir . "/ext";
47 63
48our $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(!)
49our $TICK_WATCHER; 77our $TICK_WATCHER;
50our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
51our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52our $NEXT_TICK; 80our $NEXT_TICK;
53our $NOW; 81our $NOW;
54our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
55 83
56our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
59our %CFG; 87our %CFG;
60 88
61our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
62our $RUNTIME; 90our $RUNTIME;
63 91
64our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
65our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
66our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
67our $RANDOM_MAPS = cf::localdir . "/random";
68our $BDB_ENV_DIR = cf::localdir . "/db";
69
70our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72 95
73# 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 ∕
74our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
76binmode STDOUT; 103binmode STDOUT;
77binmode STDERR; 104binmode STDERR;
78 105
79# read virtual server time, if available 106# read virtual server time, if available
80unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
82 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
83 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
84} 111}
85 112
86mkdir cf::localdir; 113mkdir $_
87mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88mkdir cf::localdir . "/" . cf::tmpdir;
89mkdir cf::localdir . "/" . cf::uniquedir;
90mkdir $RANDOM_MAPS;
91mkdir $BDB_ENV_DIR;
92 115
93our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
94 117
95sub cf::map::normalise; 118sub cf::map::normalise;
96 119
107=item $cf::RUNTIME 130=item $cf::RUNTIME
108 131
109The 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
110every server tick. 133every server tick.
111 134
112=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
113 138
114The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
115be 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.
116 143
117=item $cf::NOW 144=item $cf::NOW
118 145
119The time of the last (current) server tick. 146The time of the last (current) server tick.
120 147
121=item $cf::TICK 148=item $cf::TICK
122 149
123The 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.
124 161
125=item %cf::CFG 162=item %cf::CFG
126 163
127Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
128from wherever your confdir points to. 165from wherever your confdir points to.
129 166
130=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
131 168
132These 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
133or 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
134processing 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.
135window 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.
136 178
137=back 179=back
138 180
139=cut 181=cut
140 182
141BEGIN { 183BEGIN {
142 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
143 my $msg = join "", @_; 185 my $msg = join "", @_;
144 utf8::encode $msg;
145 186
146 $msg .= "\n" 187 $msg .= "\n"
147 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
148 191
149 LOG llevError, $msg; 192 LOG llevError, $msg;
150 }; 193 };
151} 194}
152 195
153@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157@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';
158@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)
159 203
160# 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
161# within the Safe compartment. 205# within the Safe compartment.
162for my $pkg (qw( 206for my $pkg (qw(
163 cf::global cf::attachable 207 cf::global cf::attachable
171} 215}
172 216
173$Event::DIED = sub { 217$Event::DIED = sub {
174 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
175}; 219};
220
221#############################################################################
176 222
177=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
178 224
179=over 4 225=over 4
180 226
199 $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;
200 $d 246 $d
201 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
202} 248}
203 249
204use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
207 251
208Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
209 253
210=cut
211
212sub from_json($) {
213 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214 JSON::Syck::Load $_[0]
215}
216
217=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
218 255
219Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
220 257
221=cut 258=cut
222 259
223sub to_json($) { 260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 261
225 JSON::Syck::Dump $_[0] 262sub to_json ($) { $json_coder->encode ($_[0]) }
226} 263sub from_json ($) { $json_coder->decode ($_[0]) }
227 264
228=item cf::lock_wait $string 265=item cf::lock_wait $string
229 266
230Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
231 268
234Wait 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
235a 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,
236for example when the coroutine gets canceled), the lock is automatically 273for example when the coroutine gets canceled), the lock is automatically
237returned. 274returned.
238 275
276Locks are *not* recursive, locking from the same coro twice results in a
277deadlocked coro.
278
239Lock 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
240uses map_find and cf::map::load uses map_load). 280uses map_find and cf::map::load uses map_load).
241 281
282=item $locked = cf::lock_active $string
283
284Return true if the lock is currently active, i.e. somebody has locked it.
285
242=cut 286=cut
243 287
244our %LOCK; 288our %LOCK;
289our %LOCKER;#d#
245 290
246sub lock_wait($) { 291sub lock_wait($) {
247 my ($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#
248 298
249 # wait for lock, if any 299 # wait for lock, if any
250 while ($LOCK{$key}) { 300 while ($LOCK{$key}) {
251 push @{ $LOCK{$key} }, $Coro::current; 301 push @{ $LOCK{$key} }, $Coro::current;
252 Coro::schedule; 302 Coro::schedule;
258 308
259 # wait, to be sure we are not locked 309 # wait, to be sure we are not locked
260 lock_wait $key; 310 lock_wait $key;
261 311
262 $LOCK{$key} = []; 312 $LOCK{$key} = [];
313 $LOCKER{$key} = $Coro::current;#d#
263 314
264 Coro::guard { 315 Coro::guard {
316 delete $LOCKER{$key};#d#
265 # wake up all waiters, to be on the safe side 317 # wake up all waiters, to be on the safe side
266 $_->ready for @{ delete $LOCK{$key} }; 318 $_->ready for @{ delete $LOCK{$key} };
267 } 319 }
268} 320}
269 321
322sub lock_active($) {
323 my ($key) = @_;
324
325 ! ! $LOCK{$key}
326}
327
270sub freeze_mainloop { 328sub freeze_mainloop {
271 return unless $TICK_WATCHER->is_active; 329 return unless $TICK_WATCHER->is_active;
272 330
273 my $guard = Coro::guard { 331 my $guard = Coro::guard {
274 $TICK_WATCHER->start; 332 $TICK_WATCHER->start;
275 $WRITE_RUNTIME_WATCHER->start;
276 }; 333 };
277 $WRITE_RUNTIME_WATCHER->stop;
278 $TICK_WATCHER->stop; 334 $TICK_WATCHER->stop;
279 $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;
280} 392}
281 393
282=item cf::async { BLOCK } 394=item cf::async { BLOCK }
283 395
284Currently the same as Coro::async_pool, meaning you cannot use 396Currently the same as Coro::async_pool, meaning you cannot use
289 401
290BEGIN { *async = \&Coro::async_pool } 402BEGIN { *async = \&Coro::async_pool }
291 403
292=item cf::sync_job { BLOCK } 404=item cf::sync_job { BLOCK }
293 405
294The design of crossfire+ requires that the main coro ($Coro::main) is 406The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295always able to handle events or runnable, as crossfire+ is only partly 407is always able to handle events or runnable, as Crossfire TRT is only
296reentrant. 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.
297 410
298If 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
299the given BLOCK in another coroutine while waiting for the result. The 412the given BLOCK in another coroutine while waiting for the result. The
300server 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
301fast or be very important. 414fast or be very important.
304 417
305sub sync_job(&) { 418sub sync_job(&) {
306 my ($job) = @_; 419 my ($job) = @_;
307 420
308 if ($Coro::current == $Coro::main) { 421 if ($Coro::current == $Coro::main) {
422 my $time = Event::time;
423
309 # this is the main coro, too bad, we have to block 424 # this is the main coro, too bad, we have to block
310 # till the operation succeeds, freezing the server :/ 425 # till the operation succeeds, freezing the server :/
311 426
312 # TODO: use suspend/resume instead 427 # TODO: use suspend/resume instead
313 # (but this is cancel-safe) 428 # (but this is cancel-safe)
324 439
325 while ($busy) { 440 while ($busy) {
326 Coro::cede or Event::one_event; 441 Coro::cede or Event::one_event;
327 } 442 }
328 443
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
329 wantarray ? @res : $res[0] 451 wantarray ? @res : $res[0]
330 } else { 452 } else {
331 # we are in another coroutine, how wonderful, everything just works 453 # we are in another coroutine, how wonderful, everything just works
332 454
333 $job->() 455 $job->()
352 $EXT_CORO{$coro+0} = $coro; 474 $EXT_CORO{$coro+0} = $coro;
353 475
354 $coro 476 $coro
355} 477}
356 478
357sub write_runtime { 479=item fork_call { }, $args
358 my $runtime = cf::localdir . "/runtime";
359 480
360 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 481Executes the given code block with the given arguments in a seperate
361 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.
362 485
363 my $value = $cf::RUNTIME + 90 + 10; 486=cut
364 # 10 is the runtime save interval, for a monotonic clock
365 # 60 allows for the watchdog to kill the server.
366 487
367 (aio_write $fh, 0, (length $value), $value, 0) <= 0 488sub fork_call(&@) {
368 and return; 489 my ($cb, @args) = @_;
369 490
370 # always fsync - this file is important 491 # we seemingly have to make a local copy of the whole thing,
371 aio_fsync $fh 492 # otherwise perl prematurely frees the stuff :/
372 and return; 493 # TODO: investigate and fix (likely this will be rather laborious)
373 494
374 close $fh 495 my @res = Coro::Util::fork_eval {
375 or return; 496 reset_signals;
497 &$cb
498 }, @args;
376 499
377 aio_rename "$runtime~", $runtime 500 wantarray ? @res : $res[-1]
378 and return; 501}
379 502
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 };
380 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 });
381} 628}
382 629
383=back 630=back
384 631
385=cut 632=cut
392attach callbacks/event handlers (a collection of which is called an "attachment") 639attach callbacks/event handlers (a collection of which is called an "attachment")
393to it. All such attachable objects support the following methods. 640to it. All such attachable objects support the following methods.
394 641
395In 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>
396C<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
397crossfire+). 644Crossfire TRT).
398 645
399=over 4 646=over 4
400 647
401=item $attachable->attach ($attachment, key => $value...) 648=item $attachable->attach ($attachment, key => $value...)
402 649
565 $registry = $CB_TYPE[$object_type] ||= []; 812 $registry = $CB_TYPE[$object_type] ||= [];
566 813
567 } elsif ($type eq "subtype") { 814 } elsif ($type eq "subtype") {
568 defined $object_type or Carp::croak "subtype specified without type"; 815 defined $object_type or Carp::croak "subtype specified without type";
569 my $object_subtype = shift @arg; 816 my $object_subtype = shift @arg;
570 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 817 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571 818
572 } elsif ($type eq "package") { 819 } elsif ($type eq "package") {
573 my $pkg = shift @arg; 820 my $pkg = shift @arg;
574 821
575 while (my ($name, $id) = each %cb_id) { 822 while (my ($name, $id) = each %cb_id) {
604 _attach $registry, $klass, @attach; 851 _attach $registry, $klass, @attach;
605 } 852 }
606 853
607 $obj->{$name} = \%arg; 854 $obj->{$name} = \%arg;
608 } else { 855 } else {
609 warn "object uses attachment '$name' that is not available, postponing.\n"; 856 warn "object uses attachment '$name' which is not available, postponing.\n";
610 } 857 }
611 858
612 $obj->{_attachment}{$name} = undef; 859 $obj->{_attachment}{$name} = undef;
613} 860}
614 861
616 if (ref $_[0]) { 863 if (ref $_[0]) {
617 _object_attach @_; 864 _object_attach @_;
618 } else { 865 } else {
619 _attach shift->_attach_registry, @_; 866 _attach shift->_attach_registry, @_;
620 } 867 }
868 _recalc_want;
621}; 869};
622 870
623# all those should be optimised 871# all those should be optimised
624sub cf::attachable::detach { 872sub cf::attachable::detach {
625 my ($obj, $name) = @_; 873 my ($obj, $name) = @_;
628 delete $obj->{_attachment}{$name}; 876 delete $obj->{_attachment}{$name};
629 reattach ($obj); 877 reattach ($obj);
630 } else { 878 } else {
631 Carp::croak "cannot, currently, detach class attachments"; 879 Carp::croak "cannot, currently, detach class attachments";
632 } 880 }
881 _recalc_want;
633}; 882};
634 883
635sub cf::attachable::attached { 884sub cf::attachable::attached {
636 my ($obj, $name) = @_; 885 my ($obj, $name) = @_;
637 886
652 "; 901 ";
653 die if $@; 902 die if $@;
654} 903}
655 904
656our $override; 905our $override;
657our @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?
658 907
659sub override { 908sub override {
660 $override = 1; 909 $override = 1;
661 @invoke_results = (); 910 @INVOKE_RESULTS = (@_);
662} 911}
663 912
664sub do_invoke { 913sub do_invoke {
665 my $event = shift; 914 my $event = shift;
666 my $callbacks = shift; 915 my $callbacks = shift;
667 916
668 @invoke_results = (); 917 @INVOKE_RESULTS = ();
669 918
670 local $override; 919 local $override;
671 920
672 for (@$callbacks) { 921 for (@$callbacks) {
673 eval { &{$_->[1]} }; 922 eval { &{$_->[1]} };
690 939
691Generate an object-specific event with the given arguments. 940Generate an object-specific event with the given arguments.
692 941
693This 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
694removed 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
695results (if you must, access C<@cf::invoke_results> directly). 944results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696 945
697=back 946=back
698 947
699=cut 948=cut
700 949
701############################################################################# 950#############################################################################
702# 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}
703 963
704sub reattach { 964sub reattach {
705 # basically do the same as instantiate, without calling instantiate 965 # basically do the same as instantiate, without calling instantiate
706 my ($obj) = @_; 966 my ($obj) = @_;
707 967
752); 1012);
753 1013
754sub object_freezer_save { 1014sub object_freezer_save {
755 my ($filename, $rdata, $objs) = @_; 1015 my ($filename, $rdata, $objs) = @_;
756 1016
1017 my $guard = cf::lock_acquire "io";
1018
757 sync_job { 1019 sync_job {
758 if (length $$rdata) { 1020 if (length $$rdata) {
1021 utf8::decode (my $decname = $filename);
759 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
760 $filename, length $$rdata, scalar @$objs; 1023 $decname, length $$rdata, scalar @$objs;
761 1024
762 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763 chmod SAVE_MODE, $fh; 1026 chmod SAVE_MODE, $fh;
764 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765 aio_fsync $fh if $cf::USE_FSYNC; 1028 aio_fsync $fh if $cf::USE_FSYNC;
784 } 1047 }
785 } else { 1048 } else {
786 aio_unlink $filename; 1049 aio_unlink $filename;
787 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
788 } 1051 }
789
790 #d##TODO# nuke non .map-files if exist
791 if ($filename =~ s/\.map$//) {
792 aio_unlink $filename;
793 aio_unlink "$filename.pst";
794 }
795 } 1052 };
1053
1054 undef $guard;
796} 1055}
797 1056
798sub object_freezer_as_string { 1057sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
800 1059
806sub object_thawer_load { 1065sub object_thawer_load {
807 my ($filename) = @_; 1066 my ($filename) = @_;
808 1067
809 my ($data, $av); 1068 my ($data, $av);
810 1069
811 #d#TODO remove .map if file does not exist 1070 my $guard = cf::lock_acquire "io";
812 aio_stat $filename and $filename =~ s/\.map$//;
813 1071
814 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
815 or return; 1073 or return;
816 1074
817 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
818 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
819 or return; 1077 or return;
1078
1079 undef $guard;
820 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
821 } 1081 }
822 1082
1083 utf8::decode (my $decname = $filename);
823 warn sprintf "loading %s (%d)\n", 1084 warn sprintf "loading %s (%d,%d)\n",
824 $filename, length $data, scalar @{$av || []};#d# 1085 $decname, length $data, scalar @{$av || []};
1086
825 return ($data, $av); 1087 ($data, $av)
826} 1088}
1089
1090=head2 COMMAND CALLBACKS
1091
1092=over 4
1093
1094=cut
827 1095
828############################################################################# 1096#############################################################################
829# command handling &c 1097# command handling &c
830 1098
831=item cf::register_command $name => \&callback($ob,$args); 1099=item cf::register_command $name => \&callback($ob,$args);
844 push @{ $COMMAND{$name} }, [$caller, $cb]; 1112 push @{ $COMMAND{$name} }, [$caller, $cb];
845} 1113}
846 1114
847=item cf::register_extcmd $name => \&callback($pl,$packet); 1115=item cf::register_extcmd $name => \&callback($pl,$packet);
848 1116
849Register 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.
850 1122
851If 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
852called. 1124called.
853 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
854=cut 1137=cut
855 1138
856sub register_extcmd { 1139sub register_extcmd {
857 my ($name, $cb) = @_; 1140 my ($name, $cb) = @_;
858 1141
859 $EXTCMD{$name} = $cb; 1142 $EXTCMD{$name} = $cb;
1143}
1144
1145sub register_exticmd {
1146 my ($name, $cb) = @_;
1147
1148 $EXTICMD{$name} = $cb;
860} 1149}
861 1150
862cf::player->attach ( 1151cf::player->attach (
863 on_command => sub { 1152 on_command => sub {
864 my ($pl, $name, $params) = @_; 1153 my ($pl, $name, $params) = @_;
873 cf::override; 1162 cf::override;
874 }, 1163 },
875 on_extcmd => sub { 1164 on_extcmd => sub {
876 my ($pl, $buf) = @_; 1165 my ($pl, $buf) = @_;
877 1166
878 my $msg = eval { from_json $buf }; 1167 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879 1168
880 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
881 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1177 if (my $cb = $EXTCMD{$type}) {
882 if (my %reply = $cb->($pl, $msg)) { 1178 @reply = $cb->($pl, @payload);
883 $pl->ext_reply ($msg->{msgid}, %reply);
884 }
885 } 1179 }
1180
1181 $pl->ext_reply ($reply, @reply)
1182 if $reply;
1183
886 } else { 1184 } else {
887 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1185 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888 } 1186 }
889 1187
890 cf::override; 1188 cf::override;
891 }, 1189 },
892); 1190);
893 1191
894sub load_extension {
895 my ($path) = @_;
896
897 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
898 my $base = $1;
899 my $pkg = $1;
900 $pkg =~ s/[^[:word:]]/_/g;
901 $pkg = "ext::$pkg";
902
903 warn "... loading '$path' into '$pkg'\n";
904
905 open my $fh, "<:utf8", $path
906 or die "$path: $!";
907
908 my $source =
909 "package $pkg; use strict; use utf8;\n"
910 . "#line 1 \"$path\"\n{\n"
911 . (do { local $/; <$fh> })
912 . "\n};\n1";
913
914 unless (eval $source) {
915 my $msg = $@ ? "$path: $@\n"
916 : "extension disabled.\n";
917 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918 warn $@;
919 warn "mandatory extension failed to load, exiting.\n";
920 exit 1;
921 }
922 die $@;
923 }
924
925 push @EXTS, $pkg;
926}
927
928sub load_extensions { 1192sub load_extensions {
1193 cf::sync_job {
1194 my %todo;
1195
929 for my $ext (<$LIBDIR/*.ext>) { 1196 for my $path (<$LIBDIR/*.ext>) {
930 next unless -r $ext; 1197 next unless -r $path;
931 eval { 1198
932 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;
933 1 1256 }
934 } or warn "$ext not loaded: $@"; 1257
1258 skip:
1259 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1260 unless $progress;
1261 }
935 } 1262 };
936} 1263}
937 1264
938############################################################################# 1265#############################################################################
939 1266
1267=back
1268
940=head2 CORE EXTENSIONS 1269=head2 CORE EXTENSIONS
941 1270
942Functions and methods that extend core crossfire objects. 1271Functions and methods that extend core crossfire objects.
943 1272
944=cut 1273=cut
949 1278
950=head3 cf::player 1279=head3 cf::player
951 1280
952=over 4 1281=over 4
953 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
954=item cf::player::find $login 1297=item cf::player::find $login
955 1298
956Returns the given player object, loading it if necessary (might block). 1299Returns the given player object, loading it if necessary (might block).
957 1300
958=cut 1301=cut
959 1302
960sub playerdir($) { 1303sub playerdir($) {
961 cf::localdir 1304 "$PLAYERDIR/"
962 . "/"
963 . cf::playerdir
964 . "/"
965 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1305 . (ref $_[0] ? $_[0]->ob->name : $_[0])
966} 1306}
967 1307
968sub path($) { 1308sub path($) {
969 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1309 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970 1310
971 (playerdir $login) . "/$login.pl" 1311 (playerdir $login) . "/playerdata"
972} 1312}
973 1313
974sub find_active($) { 1314sub find_active($) {
975 $cf::PLAYER{$_[0]} 1315 $cf::PLAYER{$_[0]}
976 and $cf::PLAYER{$_[0]}->active 1316 and $cf::PLAYER{$_[0]}->active
989 my $login = $_[0]; 1329 my $login = $_[0];
990 1330
991 my $guard = cf::lock_acquire "user_find:$login"; 1331 my $guard = cf::lock_acquire "user_find:$login";
992 1332
993 $cf::PLAYER{$_[0]} || do { 1333 $cf::PLAYER{$_[0]} || do {
994 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
995 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;
996 $cf::PLAYER{$login} = $pl 1349 $cf::PLAYER{$login} = $pl
997 } 1350 }
998 } 1351 }
999} 1352}
1000 1353
1010 1363
1011 aio_mkdir playerdir $pl, 0770; 1364 aio_mkdir playerdir $pl, 0770;
1012 $pl->{last_save} = $cf::RUNTIME; 1365 $pl->{last_save} = $cf::RUNTIME;
1013 1366
1014 $pl->save_pl ($path); 1367 $pl->save_pl ($path);
1015 Coro::cede; 1368 cf::cede_to_tick;
1016} 1369}
1017 1370
1018sub new($) { 1371sub new($) {
1019 my ($login) = @_; 1372 my ($login) = @_;
1020 1373
1026 $cf::PLAYER{$login} = $self; 1379 $cf::PLAYER{$login} = $self;
1027 1380
1028 $self 1381 $self
1029} 1382}
1030 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
1031=item $pl->quit_character 1394=item $pl->quit_character
1032 1395
1033Nukes the player without looking back. If logged in, the connection will 1396Nukes the player without looking back. If logged in, the connection will
1034be destroyed. May block for a long time. 1397be destroyed. May block for a long time.
1035 1398
1036=cut 1399=cut
1037 1400
1038sub quit_character { 1401sub quit_character {
1039 my ($pl) = @_; 1402 my ($pl) = @_;
1403
1404 my $name = $pl->ob->name;
1040 1405
1041 $pl->{deny_save} = 1; 1406 $pl->{deny_save} = 1;
1042 $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
1043 1408
1044 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1409 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 my $path = playerdir $pl; 1414 my $path = playerdir $pl;
1050 my $temp = "$path~$cf::RUNTIME~deleting~"; 1415 my $temp = "$path~$cf::RUNTIME~deleting~";
1051 aio_rename $path, $temp; 1416 aio_rename $path, $temp;
1052 delete $cf::PLAYER{$pl->ob->name}; 1417 delete $cf::PLAYER{$pl->ob->name};
1053 $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
1054 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;
1055} 1440}
1056 1441
1057=item cf::player::list_logins 1442=item cf::player::list_logins
1058 1443
1059Returns 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
1060while and may block, so not sync_job-capable, ever. 1445while and may block, so not sync_job-capable, ever.
1061 1446
1062=cut 1447=cut
1063 1448
1064sub list_logins { 1449sub list_logins {
1065 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1450 my $dirs = aio_readdir $PLAYERDIR
1066 or return []; 1451 or return [];
1067 1452
1068 my @logins; 1453 my @logins;
1069 1454
1070 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") {
1071 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1460 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072 aio_read $fh, 0, 512, my $buf, 0 or next; 1461 aio_read $fh, 0, 512, my $buf, 0 or next;
1073 $buf !~ /^password -------------$/m or next; # official not-valid tag 1462 $buf !~ /^password -------------$/m or next; # official not-valid tag
1463 }
1074 1464
1075 utf8::decode $login; 1465 utf8::decode $login;
1076 push @logins, $login; 1466 push @logins, $login;
1077 } 1467 }
1078 1468
1105 } 1495 }
1106 1496
1107 \@paths 1497 \@paths
1108} 1498}
1109 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
1110=item $player->ext_reply ($msgid, $msgtype, %msg) 1551=item $player->ext_reply ($msgid, @msg)
1111 1552
1112Sends an ext reply to the player. 1553Sends an ext reply to the player.
1113 1554
1114=cut 1555=cut
1115 1556
1116sub ext_reply($$$%) { 1557sub ext_reply($$@) {
1117 my ($self, $id, %msg) = @_; 1558 my ($self, $id, @msg) = @_;
1118 1559
1119 $msg{msgid} = $id; 1560 $self->ns->ext_reply ($id, @msg)
1120
1121 $self->send ("ext " . cf::to_json \%msg);
1122} 1561}
1123 1562
1124package cf; 1563=item $player->ext_msg ($type, @msg)
1564
1565Sends an ext event to the client.
1566
1567=cut
1568
1569sub ext_msg($$@) {
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 $match
1602}
1125 1603
1126=back 1604=back
1127
1128 1605
1129=head3 cf::map 1606=head3 cf::map
1130 1607
1131=over 4 1608=over 4
1132 1609
1187 my ($self, $merge) = @_; 1664 my ($self, $merge) = @_;
1188 1665
1189 # we have to keep some variables in memory intact 1666 # we have to keep some variables in memory intact
1190 local $self->{path}; 1667 local $self->{path};
1191 local $self->{load_path}; 1668 local $self->{load_path};
1192 local $self->{deny_save};
1193 local $self->{deny_reset};
1194 1669
1195 $self->SUPER::thawer_merge ($merge); 1670 $self->SUPER::thawer_merge ($merge);
1196} 1671}
1197 1672
1198sub normalise { 1673sub normalise {
1245 $self->init; # pass $1 etc. 1720 $self->init; # pass $1 etc.
1246 return $self; 1721 return $self;
1247 } 1722 }
1248 } 1723 }
1249 1724
1250 Carp::carp "unable to resolve path '$path' (base '$base')."; 1725 Carp::cluck "unable to resolve path '$path' (base '$base').";
1251 () 1726 ()
1252} 1727}
1253 1728
1254sub init { 1729sub init {
1255 my ($self) = @_; 1730 my ($self) = @_;
1270 1745
1271# the original (read-only) location 1746# the original (read-only) location
1272sub load_path { 1747sub load_path {
1273 my ($self) = @_; 1748 my ($self) = @_;
1274 1749
1275 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1750 "$MAPDIR/$self->{path}.map"
1276} 1751}
1277 1752
1278# the temporary/swap location 1753# the temporary/swap location
1279sub save_path { 1754sub save_path {
1280 my ($self) = @_; 1755 my ($self) = @_;
1281 1756
1282 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1757 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1758 "$TMPDIR/$path.map"
1284} 1759}
1285 1760
1286# the unique path, undef == no special unique path 1761# the unique path, undef == no special unique path
1287sub uniq_path { 1762sub uniq_path {
1288 my ($self) = @_; 1763 my ($self) = @_;
1289 1764
1290 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1765 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1766 "$UNIQUEDIR/$path"
1292} 1767}
1293 1768
1294# and all this just because we cannot iterate over 1769# and all this just because we cannot iterate over
1295# all maps in C++... 1770# all maps in C++...
1296sub change_all_map_light { 1771sub change_all_map_light {
1298 1773
1299 $_->change_map_light ($change) 1774 $_->change_map_light ($change)
1300 for grep $_->outdoor, values %cf::MAP; 1775 for grep $_->outdoor, values %cf::MAP;
1301} 1776}
1302 1777
1778sub decay_objects {
1779 my ($self) = @_;
1780
1781 return if $self->{deny_reset};
1782
1783 $self->do_decay_objects;
1784}
1785
1303sub unlink_save { 1786sub unlink_save {
1304 my ($self) = @_; 1787 my ($self) = @_;
1305 1788
1306 utf8::encode (my $save = $self->save_path); 1789 utf8::encode (my $save = $self->save_path);
1307 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1790 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1791 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310 #d#TODO remove .map and also nuke
1311 $save =~ s/\.map// or return;#d#
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314} 1792}
1315 1793
1316sub load_header_from($) { 1794sub load_header_from($) {
1317 my ($self, $path) = @_; 1795 my ($self, $path) = @_;
1318 1796
1319 utf8::encode $path; 1797 utf8::encode $path;
1320 #aio_open $path, O_RDONLY, 0 1798 my $f = new_from_file cf::object::thawer $path
1321 # or return;
1322
1323 $self->_load_header ($path)
1324 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;
1325 1806
1326 $self->{load_path} = $path; 1807 $self->{load_path} = $path;
1327 1808
1328 1 1809 1
1329} 1810}
1368 $self->load_header_orig 1849 $self->load_header_orig
1369 or return; 1850 or return;
1370 $self->prepare_orig; 1851 $self->prepare_orig;
1371 } 1852 }
1372 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 $self->default_region;
1859
1373 1 1860 1
1374} 1861}
1375 1862
1376sub find; 1863sub find;
1377sub find { 1864sub find {
1378 my ($path, $origin) = @_; 1865 my ($path, $origin) = @_;
1379 1866
1380 $path = normalise $path, $origin && $origin->path; 1867 $path = normalise $path, $origin && $origin->path;
1381 1868
1869 cf::lock_wait "map_data:$path";#d#remove
1382 cf::lock_wait "map_find:$path"; 1870 cf::lock_wait "map_find:$path";
1383 1871
1384 $cf::MAP{$path} || do { 1872 $cf::MAP{$path} || do {
1385 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
1386 my $map = new_from_path cf::map $path 1876 my $map = new_from_path cf::map $path
1387 or return; 1877 or return;
1388 1878
1389 $map->{last_save} = $cf::RUNTIME; 1879 $map->{last_save} = $cf::RUNTIME;
1390 1880
1391 $map->load_header 1881 $map->load_header
1392 or return; 1882 or return;
1393 1883
1394 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1884 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395 # doing this can freeze the server in a sync job, obviously 1885 # doing this can freeze the server in a sync job, obviously
1396 #$cf::WAIT_FOR_TICK->wait; 1886 #$cf::WAIT_FOR_TICK->wait;
1887 undef $guard1;
1888 undef $guard2;
1397 $map->reset; 1889 $map->reset;
1398 undef $guard;
1399 return find $path; 1890 return find $path;
1400 } 1891 }
1401 1892
1402 $cf::MAP{$path} = $map 1893 $cf::MAP{$path} = $map
1403 } 1894 }
1410 my ($self) = @_; 1901 my ($self) = @_;
1411 1902
1412 local $self->{deny_reset} = 1; # loading can take a long time 1903 local $self->{deny_reset} = 1; # loading can take a long time
1413 1904
1414 my $path = $self->{path}; 1905 my $path = $self->{path};
1906
1907 {
1415 my $guard = cf::lock_acquire "map_load:$path"; 1908 my $guard = cf::lock_acquire "map_data:$path";
1416 1909
1910 return unless $self->valid;
1417 return if $self->in_memory != cf::MAP_SWAPPED; 1911 return unless $self->in_memory == cf::MAP_SWAPPED;
1418 1912
1419 $self->in_memory (cf::MAP_LOADING); 1913 $self->in_memory (cf::MAP_LOADING);
1420 1914
1421 $self->alloc; 1915 $self->alloc;
1422 1916
1423 $self->pre_load; 1917 $self->pre_load;
1918 cf::cede_to_tick;
1424 1919
1425 $self->_load_objects ($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)
1426 or return; 1923 or return;
1427 1924
1428 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1925 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429 if delete $self->{load_original}; 1926 if delete $self->{load_original};
1430 1927
1431 if (my $uniq = $self->uniq_path) { 1928 if (my $uniq = $self->uniq_path) {
1432 utf8::encode $uniq; 1929 utf8::encode $uniq;
1433 if (aio_open $uniq, O_RDONLY, 0) { 1930 unless (aio_stat $uniq) {
1931 if (my $f = new_from_file cf::object::thawer $uniq) {
1434 $self->clear_unique_items; 1932 $self->clear_unique_items;
1435 $self->_load_objects ($uniq, 0); 1933 $self->_load_objects ($f);
1934 $f->resolve_delayed_derefs;
1935 }
1436 } 1936 }
1437 } 1937 }
1438 1938
1439 Coro::cede; 1939 $f->resolve_delayed_derefs;
1440 1940
1941 cf::cede_to_tick;
1441 # now do the right thing for maps 1942 # now do the right thing for maps
1442 $self->link_multipart_objects; 1943 $self->link_multipart_objects;
1443
1444 unless ($self->{deny_activate}) {
1445 $self->decay_objects;
1446 $self->fix_auto_apply;
1447 $self->update_buttons;
1448 Coro::cede;
1449 $self->set_darkness_map;
1450 $self->difficulty ($self->estimate_difficulty) 1944 $self->difficulty ($self->estimate_difficulty)
1451 unless $self->difficulty; 1945 unless $self->difficulty;
1452 Coro::cede; 1946 cf::cede_to_tick;
1947
1948 unless ($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;
1453 $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);
1454 } 1962 }
1455 1963
1456 $self->post_load; 1964 $self->post_load;
1457
1458 $self->in_memory (cf::MAP_IN_MEMORY);
1459} 1965}
1460 1966
1461sub customise_for { 1967sub customise_for {
1462 my ($self, $ob) = @_; 1968 my ($self, $ob) = @_;
1463 1969
1464 return find "~" . $ob->name . "/" . $self->{path} 1970 return find "~" . $ob->name . "/" . $self->{path}
1465 if $self->per_player; 1971 if $self->per_player;
1466 1972
1973# return find "?party/" . $ob->name . "/" . $self->{path}
1974# if $self->per_party;
1975
1467 $self 1976 $self
1468} 1977}
1469 1978
1470# find and load all maps in the 3x3 area around a map 1979# find and load all maps in the 3x3 area around a map
1471sub load_diag { 1980sub load_neighbours {
1472 my ($map) = @_; 1981 my ($map) = @_;
1473 1982
1474 my @diag; # diagonal neighbours 1983 my @neigh; # diagonal neighbours
1475 1984
1476 for (0 .. 3) { 1985 for (0 .. 3) {
1477 my $neigh = $map->tile_path ($_) 1986 my $neigh = $map->tile_path ($_)
1478 or next; 1987 or next;
1479 $neigh = find $neigh, $map 1988 $neigh = find $neigh, $map
1480 or next; 1989 or next;
1481 $neigh->load; 1990 $neigh->load;
1482 1991
1992 push @neigh,
1483 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1993 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1484 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1994 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1485 } 1995 }
1486 1996
1487 for (@diag) { 1997 for (grep defined $_->[0], @neigh) {
1998 my ($path, $origin) = @$_;
1488 my $neigh = find @$_ 1999 my $neigh = find $path, $origin
1489 or next; 2000 or next;
1490 $neigh->load; 2001 $neigh->load;
1491 } 2002 }
1492} 2003}
1493 2004
1498} 2009}
1499 2010
1500sub do_load_sync { 2011sub do_load_sync {
1501 my ($map) = @_; 2012 my ($map) = @_;
1502 2013
2014 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2015 if $Coro::current == $Coro::main;
2016
1503 cf::sync_job { $map->load }; 2017 cf::sync_job { $map->load };
1504} 2018}
1505 2019
1506our %MAP_PREFETCH; 2020our %MAP_PREFETCH;
1507our $MAP_PREFETCHER = undef; 2021our $MAP_PREFETCHER = undef;
1508 2022
1509sub find_async { 2023sub find_async {
1510 my ($path, $origin) = @_; 2024 my ($path, $origin, $load) = @_;
1511 2025
1512 $path = normalise $path, $origin && $origin->{path}; 2026 $path = normalise $path, $origin && $origin->{path};
1513 2027
1514 if (my $map = $cf::MAP{$path}) { 2028 if (my $map = $cf::MAP{$path}) {
1515 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2029 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516 } 2030 }
1517 2031
1518 undef $MAP_PREFETCH{$path}; 2032 $MAP_PREFETCH{$path} |= $load;
2033
1519 $MAP_PREFETCHER ||= cf::async { 2034 $MAP_PREFETCHER ||= cf::async {
1520 while (%MAP_PREFETCH) { 2035 while (%MAP_PREFETCH) {
1521 for my $path (keys %MAP_PREFETCH) { 2036 while (my ($k, $v) = each %MAP_PREFETCH) {
1522 my $map = find $path 2037 if (my $map = find $k) {
1523 or next;
1524 $map->load; 2038 $map->load if $v;
2039 }
1525 2040
1526 delete $MAP_PREFETCH{$path}; 2041 delete $MAP_PREFETCH{$k};
1527 } 2042 }
1528 } 2043 }
1529 undef $MAP_PREFETCHER; 2044 undef $MAP_PREFETCHER;
1530 }; 2045 };
1531 $MAP_PREFETCHER->prio (6); 2046 $MAP_PREFETCHER->prio (6);
1534} 2049}
1535 2050
1536sub save { 2051sub save {
1537 my ($self) = @_; 2052 my ($self) = @_;
1538 2053
1539 my $lock = cf::lock_acquire "map_data:" . $self->path; 2054 my $lock = cf::lock_acquire "map_data:$self->{path}";
1540 2055
1541 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1542 2057
1543 return unless $self->dirty; 2058 return unless $self->dirty;
1544 2059
1567 my ($self) = @_; 2082 my ($self) = @_;
1568 2083
1569 # save first because save cedes 2084 # save first because save cedes
1570 $self->save; 2085 $self->save;
1571 2086
1572 my $lock = cf::lock_acquire "map_data:" . $self->path; 2087 my $lock = cf::lock_acquire "map_data:$self->{path}";
1573 2088
1574 return if $self->players; 2089 return if $self->players;
1575 return if $self->in_memory != cf::MAP_IN_MEMORY; 2090 return if $self->in_memory != cf::MAP_IN_MEMORY;
1576 return if $self->{deny_save}; 2091 return if $self->{deny_save};
1577 2092
2093 $self->in_memory (cf::MAP_SWAPPED);
2094
2095 $self->deactivate;
2096 $_->clear_links_to ($self) for values %cf::MAP;
1578 $self->clear; 2097 $self->clear;
1579 $self->in_memory (cf::MAP_SWAPPED);
1580} 2098}
1581 2099
1582sub reset_at { 2100sub reset_at {
1583 my ($self) = @_; 2101 my ($self) = @_;
1584 2102
1585 # TODO: safety, remove and allow resettable per-player maps 2103 # TODO: safety, remove and allow resettable per-player maps
1586 return 1e99 if $self->isa ("ext::map_per_player");#d#
1587 return 1e99 if $self->{deny_reset}; 2104 return 1e99 if $self->{deny_reset};
1588 2105
1589 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2106 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2107 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591 2108
1602 my ($self) = @_; 2119 my ($self) = @_;
1603 2120
1604 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2121 my $lock = cf::lock_acquire "map_data:$self->{path}";
1605 2122
1606 return if $self->players; 2123 return if $self->players;
1607 return if $self->isa ("ext::map_per_player");#d#
1608 2124
1609 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 }
1610 2136
1611 delete $cf::MAP{$self->path}; 2137 delete $cf::MAP{$self->path};
1612 2138
1613 $self->in_memory (cf::MAP_SWAPPED); 2139 $self->deactivate;
2140 $_->clear_links_to ($self) for values %cf::MAP;
1614 $self->clear; 2141 $self->clear;
1615
1616 $_->clear_links_to ($self) for values %cf::MAP;
1617 2142
1618 $self->unlink_save; 2143 $self->unlink_save;
1619 $self->destroy; 2144 $self->destroy;
1620} 2145}
1621 2146
1622my $nuke_counter = "aaaa"; 2147my $nuke_counter = "aaaa";
1623 2148
1624sub nuke { 2149sub nuke {
1625 my ($self) = @_; 2150 my ($self) = @_;
1626 2151
2152 {
2153 my $lock = cf::lock_acquire "map_data:$self->{path}";
2154
1627 delete $cf::MAP{$self->path}; 2155 delete $cf::MAP{$self->path};
1628 2156
1629 $self->unlink_save; 2157 $self->unlink_save;
1630 2158
1631 bless $self, "cf::map"; 2159 bless $self, "cf::map";
1632 delete $self->{deny_reset}; 2160 delete $self->{deny_reset};
1633 $self->{deny_save} = 1; 2161 $self->{deny_save} = 1;
1634 $self->reset_timeout (1); 2162 $self->reset_timeout (1);
1635 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2163 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636 2164
1637 $cf::MAP{$self->path} = $self; 2165 $cf::MAP{$self->path} = $self;
2166 }
1638 2167
1639 $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 ]
1640} 2205}
1641 2206
1642=item cf::map::unique_maps 2207=item cf::map::unique_maps
1643 2208
1644Returns an arrayref of paths of all shared maps that have 2209Returns an arrayref of paths of all shared maps that have
1645instantiated unique items. May block. 2210instantiated unique items. May block.
1646 2211
1647=cut 2212=cut
1648 2213
1649sub unique_maps() { 2214sub unique_maps() {
1650 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2215 [
1651 or return; 2216 map {
1652
1653 my @paths;
1654
1655 for (@$files) {
1656 utf8::decode $_; 2217 utf8::decode $_;
1657 next if /\.pst$/; 2218 /\.map$/
1658 next unless /^$PATH_SEP/o; 2219 ? normalise $_
1659 2220 : ()
1660 push @paths, cf::map::normalise $_; 2221 } @{ aio_readdir $UNIQUEDIR or [] }
1661 } 2222 ]
1662
1663 \@paths
1664} 2223}
1665 2224
1666package cf; 2225package cf;
1667 2226
1668=back 2227=back
1686 map { $_, inv_recursive_ $_->inv } @_ 2245 map { $_, inv_recursive_ $_->inv } @_
1687} 2246}
1688 2247
1689sub inv_recursive { 2248sub inv_recursive {
1690 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 }
1691} 2281}
1692 2282
1693package cf; 2283package cf;
1694 2284
1695=back 2285=back
1714 2304
1715 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2305 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716 2306
1717 if ($self->{record_replies}) { 2307 if ($self->{record_replies}) {
1718 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2308 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2309
1719 } 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 {
1720 $msg = $npc->name . " says: $msg" if $npc; 2318 $msg = $npc->name . " says: $msg" if $npc;
1721 $self->message ($msg, $flags); 2319 $self->message ($msg, $flags);
2320 }
1722 } 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 (@_);
1723} 2332}
1724 2333
1725=item $player_object->may ("access") 2334=item $player_object->may ("access")
1726 2335
1727Returns wether the given player is authorized to access resource "access" 2336Returns wether the given player is authorized to access resource "access"
1774 $self->deactivate_recursive; 2383 $self->deactivate_recursive;
1775 2384
1776 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2385 return if UNIVERSAL::isa $self->map, "ext::map_link";
1777 2386
1778 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2387 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779 if $self->map; 2388 if $self->map && $self->map->{path} ne "{link}";
1780 2389
1781 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2390 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1782} 2391}
1783 2392
1784sub cf::object::player::leave_link { 2393sub cf::object::player::leave_link {
1785 my ($self, $map, $x, $y) = @_; 2394 my ($self, $map, $x, $y) = @_;
2395
2396 return unless $self->contr->active;
1786 2397
1787 my $link_pos = delete $self->{_link_pos}; 2398 my $link_pos = delete $self->{_link_pos};
1788 2399
1789 unless ($map) { 2400 unless ($map) {
1790 # restore original map position 2401 # restore original map position
1804 # use -1 or undef as default coordinates, not 0, 0 2415 # use -1 or undef as default coordinates, not 0, 0
1805 ($x, $y) = ($map->enter_x, $map->enter_y) 2416 ($x, $y) = ($map->enter_x, $map->enter_y)
1806 if $x <=0 && $y <= 0; 2417 if $x <=0 && $y <= 0;
1807 2418
1808 $map->load; 2419 $map->load;
1809 $map->load_diag; 2420 $map->load_neighbours;
1810 2421
1811 return unless $self->contr->active; 2422 return unless $self->contr->active;
1812 $self->activate_recursive; 2423 $self->activate_recursive;
2424
2425 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 2426 $self->enter_map ($map, $x, $y);
1814} 2427}
1815 2428
1816cf::player->attach ( 2429=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817 on_logout => sub {
1818 my ($pl) = @_;
1819 2430
1820 # abort map switching before logout 2431Moves the player to the given map-path and coordinates by first freezing
1821 if ($pl->ob->{_link_pos}) { 2432her, loading and preparing them map, calling the provided $check callback
1822 cf::sync_job { 2433that has to return the map if sucecssful, and then unfreezes the player on
1823 $pl->ob->leave_link 2434the new (success) or old (failed) map position. In either case, $done will
1824 }; 2435be called at the end of this process.
1825 }
1826 },
1827 on_login => sub {
1828 my ($pl) = @_;
1829 2436
1830 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link;
1834 (async {
1835 # we need this sleep as the login has a concurrent enter_exit running
1836 # and this sleep increases chances of the player not ending up in scorn
1837 $pl->ob->reply (undef,
1838 "There was an internal problem at your last logout, "
1839 . "the server will try to bring you to your intended destination in a second.",
1840 cf::NDI_RED);
1841 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link;
1843 })->prio (2);
1844 }
1845 },
1846);
1847
1848=item $player_object->goto ($path, $x, $y)
1849
1850=cut 2437=cut
2438
2439our $GOTOGEN;
1851 2440
1852sub cf::object::player::goto { 2441sub cf::object::player::goto {
1853 my ($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;
1854 2446
1855 $self->enter_link; 2447 $self->enter_link;
1856 2448
1857 (async { 2449 (async {
1858 my $map = eval { 2450 my $map = eval {
1859 my $map = cf::map::find $path; 2451 my $map = cf::map::find $path;
2452
2453 if ($map) {
1860 $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
1861 $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 $@;
1862 } or 2466 }
1863 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864 2467
2468 if ($gen == $self->{_goto_generation}) {
2469 delete $self->{_goto_generation};
1865 $self->leave_link ($map, $x, $y); 2470 $self->leave_link ($map, $x, $y);
2471 }
2472
2473 $done->() if $done;
1866 })->prio (1); 2474 })->prio (1);
1867} 2475}
1868 2476
1869=item $player_object->enter_exit ($exit_object) 2477=item $player_object->enter_exit ($exit_object)
1870 2478
1909 2517
1910 $rmp->{random_seed} ||= $exit->random_seed; 2518 $rmp->{random_seed} ||= $exit->random_seed;
1911 2519
1912 my $data = cf::to_json $rmp; 2520 my $data = cf::to_json $rmp;
1913 my $md5 = Digest::MD5::md5_hex $data; 2521 my $md5 = Digest::MD5::md5_hex $data;
1914 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2522 my $meta = "$RANDOMDIR/$md5.meta";
1915 2523
1916 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2524 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917 aio_write $fh, 0, (length $data), $data, 0; 2525 aio_write $fh, 0, (length $data), $data, 0;
1918 undef $fh; 2526 undef $fh;
1919 aio_rename "$meta~", $meta; 2527 aio_rename "$meta~", $meta;
1928 2536
1929 return unless $self->type == cf::PLAYER; 2537 return unless $self->type == cf::PLAYER;
1930 2538
1931 if ($exit->slaying eq "/!") { 2539 if ($exit->slaying eq "/!") {
1932 #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
1933 cf::sync_job { prepare_random_map $exit }; 2543 cf::sync_job { prepare_random_map $exit };
1934 } 2544 }
1935 2545
1936 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;
1937 my $hp = $exit->stats->hp; 2547 my $hp = $exit->stats->hp;
1938 my $sp = $exit->stats->sp; 2548 my $sp = $exit->stats->sp;
1939 2549
1940 $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);
1941 2555
1942 (async { 2556 (async {
1943 $self->deactivate_recursive; # just to be sure 2557 $self->deactivate_recursive; # just to be sure
1944 unless (eval { 2558 unless (eval {
1945 $self->goto ($slaying, $hp, $sp); 2559 $self->goto ($slaying, $hp, $sp);
1946 2560
1947 1; 2561 1;
1948 }) { 2562 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2563 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "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. "
1951 . "Please report this to the dungeon master!", 2565 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2566 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2567
1954 warn "ERROR in enter_exit: $@"; 2568 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2569 $self->leave_link;
1956 } 2570 }
1957 })->prio (1); 2571 })->prio (1);
1970 2584
1971sub cf::client::send_drawinfo { 2585sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2586 my ($self, $text, $flags) = @_;
1973 2587
1974 utf8::encode $text; 2588 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2589 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2590}
1977 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}
1978 2707
1979=item $success = $client->query ($flags, "text", \&cb) 2708=item $success = $client->query ($flags, "text", \&cb)
1980 2709
1981Queues a query to the client, calling the given callback with 2710Queues a query to the client, calling the given callback with
1982the 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>,
1983C<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>.
1984 2713
1985Queries 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
1986reliable at some point in the future. 2715become reliable at some point in the future.
1987 2716
1988=cut 2717=cut
1989 2718
1990sub cf::client::query { 2719sub cf::client::query {
1991 my ($self, $flags, $text, $cb) = @_; 2720 my ($self, $flags, $text, $cb) = @_;
1999 utf8::encode $text; 2728 utf8::encode $text;
2000 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2729 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001 2730
2002 $self->send_packet ($self->{query_queue}[0][0]) 2731 $self->send_packet ($self->{query_queue}[0][0])
2003 if @{ $self->{query_queue} } == 1; 2732 if @{ $self->{query_queue} } == 1;
2733
2734 1
2004} 2735}
2005 2736
2006cf::client->attach ( 2737cf::client->attach (
2738 on_connect => sub {
2739 my ($ns) = @_;
2740
2741 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2742 },
2007 on_reply => sub { 2743 on_reply => sub {
2008 my ($ns, $msg) = @_; 2744 my ($ns, $msg) = @_;
2009 2745
2010 # this weird shuffling is so that direct followup queries 2746 # this weird shuffling is so that direct followup queries
2011 # get handled first 2747 # get handled first
2023 } else { 2759 } else {
2024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2760 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025 } 2761 }
2026 } 2762 }
2027 }, 2763 },
2764 on_exticmd => sub {
2765 my ($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 },
2028); 2790);
2029 2791
2030=item $client->async (\&cb) 2792=item $client->async (\&cb)
2031 2793
2032Create a new coroutine, running the specified callback. The coroutine will 2794Create a new coroutine, running the specified callback. The coroutine will
2073our $safe = new Safe "safe"; 2835our $safe = new Safe "safe";
2074our $safe_hole = new Safe::Hole; 2836our $safe_hole = new Safe::Hole;
2075 2837
2076$SIG{FPE} = 'IGNORE'; 2838$SIG{FPE} = 'IGNORE';
2077 2839
2078$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2840$safe->permit_only (Opcode::opset qw(
2841 :base_core :base_mem :base_orig :base_math
2842 grepstart grepwhile mapstart mapwhile
2843 sort time
2844));
2079 2845
2080# here we export the classes and methods available to script code 2846# here we export the classes and methods available to script code
2081 2847
2082=pod 2848=pod
2083 2849
2084The following fucntions and emthods are available within a safe environment: 2850The following functions and methods are available within a safe environment:
2085 2851
2086 cf::object contr pay_amount pay_player map 2852 cf::object
2853 contr pay_amount pay_player map x y force_find force_add
2854 insert remove name archname title slaying race decrease_ob_nr
2855
2087 cf::object::player player 2856 cf::object::player
2088 cf::player peaceful 2857 player
2089 cf::map trigger 2858
2859 cf::player
2860 peaceful
2861
2862 cf::map
2863 trigger
2090 2864
2091=cut 2865=cut
2092 2866
2093for ( 2867for (
2094 ["cf::object" => qw(contr pay_amount pay_player map)], 2868 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869 insert remove inv name archname title slaying race
2870 decrease_ob_nr)],
2095 ["cf::object::player" => qw(player)], 2871 ["cf::object::player" => qw(player)],
2096 ["cf::player" => qw(peaceful)], 2872 ["cf::player" => qw(peaceful)],
2097 ["cf::map" => qw(trigger)], 2873 ["cf::map" => qw(trigger)],
2098) { 2874) {
2099 no strict 'refs'; 2875 no strict 'refs';
2170=back 2946=back
2171 2947
2172=cut 2948=cut
2173 2949
2174############################################################################# 2950#############################################################################
2175
2176=head2 EXTENSION DATABASE SUPPORT
2177
2178Crossfire maintains a very simple database for extension use. It can
2179currently store anything that can be serialised using Storable, which
2180excludes objects.
2181
2182The parameter C<$family> should best start with the name of the extension
2183using it, it should be unique.
2184
2185=over 4
2186
2187=item $hashref = cf::db_get $family
2188
2189Return a hashref for use by the extension C<$family>, which can be
2190modified. After modifications, you have to call C<cf::db_dirty> or
2191C<cf::db_sync>.
2192
2193=item $value = cf::db_get $family => $key
2194
2195Returns a single value from the database
2196
2197=item cf::db_put $family => $hashref
2198
2199Stores the given family hashref into the database. Updates are delayed, if
2200you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202=item cf::db_put $family => $key => $value
2203
2204Stores the given C<$value> in the family hash. Updates are delayed, if you
2205want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207=item cf::db_dirty
2208
2209Marks the database as dirty, to be updated at a later time.
2210
2211=item cf::db_sync
2212
2213Immediately write the database to disk I<if it is dirty>.
2214
2215=cut
2216
2217our $DB;
2218
2219{
2220 my $path = cf::localdir . "/database.pst";
2221
2222 sub db_load() {
2223 $DB = stat $path ? Storable::retrieve $path : { };
2224 }
2225
2226 my $pid;
2227
2228 sub db_save() {
2229 waitpid $pid, 0 if $pid;
2230 if (0 == ($pid = fork)) {
2231 $DB->{_meta}{version} = 1;
2232 Storable::nstore $DB, "$path~";
2233 rename "$path~", $path;
2234 cf::_exit 0 if defined $pid;
2235 }
2236 }
2237
2238 my $dirty;
2239
2240 sub db_sync() {
2241 db_save if $dirty;
2242 undef $dirty;
2243 }
2244
2245 my $idle = Event->idle (
2246 reentrant => 0,
2247 min => 10,
2248 max => 20,
2249 repeat => 0,
2250 data => WF_AUTOCANCEL,
2251 cb => \&db_sync,
2252 );
2253
2254 sub db_dirty() {
2255 $dirty = 1;
2256 $idle->start;
2257 }
2258
2259 sub db_get($;$) {
2260 @_ >= 2
2261 ? $DB->{$_[0]}{$_[1]}
2262 : ($DB->{$_[0]} ||= { })
2263 }
2264
2265 sub db_put($$;$) {
2266 if (@_ >= 3) {
2267 $DB->{$_[0]}{$_[1]} = $_[2];
2268 } else {
2269 $DB->{$_[0]} = $_[1];
2270 }
2271 db_dirty;
2272 }
2273
2274 cf::global->attach (
2275 prio => 10000,
2276 on_cleanup => sub {
2277 db_sync;
2278 },
2279 );
2280}
2281
2282#############################################################################
2283# the server's init and main functions 2951# the server's init and main functions
2284 2952
2285sub load_resources { 2953sub load_facedata($) {
2286 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"
2287 or die "unable to load regions file\n";#d# 3085 or die "unable to load regions file\n";
2288}
2289 3086
2290sub 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 {
2291 open my $fh, "<:utf8", cf::confdir . "/config" 3130 open my $fh, "<:utf8", "$CONFDIR/config"
2292 or return; 3131 or return;
2293 3132
2294 local $/; 3133 local $/;
2295 *CFG = YAML::Syck::Load <$fh>; 3134 *CFG = YAML::Syck::Load <$fh>;
2296 3135
2304 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3143 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305 and die "WARNING: m(un)lockall failed: $!\n"; 3144 and die "WARNING: m(un)lockall failed: $!\n";
2306 }; 3145 };
2307 warn $@ if $@; 3146 warn $@ if $@;
2308 } 3147 }
2309}
2310
2311sub init {
2312 load_resources;
2313} 3148}
2314 3149
2315sub main { 3150sub main {
2316 # we must not ever block the main coroutine 3151 # we must not ever block the main coroutine
2317 local $Coro::idle = sub { 3152 local $Coro::idle = sub {
2319 (async { 3154 (async {
2320 Event::one_event; 3155 Event::one_event;
2321 })->prio (Coro::PRIO_MAX); 3156 })->prio (Coro::PRIO_MAX);
2322 }; 3157 };
2323 3158
2324 cfg_load; 3159 reload_config;
2325 db_load; 3160 db_init;
2326 load_extensions; 3161 load_extensions;
2327 3162
2328 $TICK_WATCHER->start; 3163 $TICK_WATCHER->start;
2329 Event::loop; 3164 Event::loop;
2330} 3165}
2345 }, 3180 },
2346 ); 3181 );
2347 } 3182 }
2348} 3183}
2349 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
2350sub emergency_save() { 3223sub emergency_save() {
2351 my $freeze_guard = cf::freeze_mainloop; 3224 my $freeze_guard = cf::freeze_mainloop;
2352 3225
2353 warn "enter emergency perl save\n"; 3226 warn "enter emergency perl save\n";
2354 3227
2369 my $map = $cf::MAP{$path} or next; 3242 my $map = $cf::MAP{$path} or next;
2370 $map->valid or next; 3243 $map->valid or next;
2371 $map->save; 3244 $map->save;
2372 } 3245 }
2373 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";
2374 }; 3251 };
2375 3252
2376 warn "leave emergency perl save\n"; 3253 warn "leave emergency perl save\n";
2377} 3254}
2378 3255
3256sub post_cleanup {
3257 my ($make_core) = @_;
3258
3259 warn Carp::longmess "post_cleanup backtrace"
3260 if $make_core;
3261}
3262
2379sub reload() { 3263sub do_reload_perl() {
2380 # can/must only be called in main 3264 # can/must only be called in main
2381 if ($Coro::current != $Coro::main) { 3265 if ($Coro::current != $Coro::main) {
2382 warn "can only reload from main coroutine"; 3266 warn "can only reload from main coroutine";
2383 return; 3267 return;
2384 } 3268 }
2385 3269
2386 warn "reloading..."; 3270 warn "reloading...";
2387 3271
2388 warn "cancelling server ticker"; 3272 warn "entering sync_job";
2389 $TICK_WATCHER->cancel;
2390 3273
3274 cf::sync_job {
3275 cf::write_runtime; # external watchdog should not bark
2391 cf::emergency_save; 3276 cf::emergency_save;
3277 cf::write_runtime; # external watchdog should not bark
2392 3278
2393 eval { 3279 warn "syncing database to disk";
3280 BDB::db_env_txn_checkpoint $DB_ENV;
3281
2394 # 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
2395
2396 warn "syncing database to disk";
2397 cf::db_sync;
2398 3283
2399 warn "cancelling all WF_AUTOCANCEL watchers"; 3284 warn "cancelling all WF_AUTOCANCEL watchers";
2400 for (Event::all_watchers) { 3285 for (Event::all_watchers) {
2401 $_->cancel if $_->data & WF_AUTOCANCEL; 3286 $_->cancel if $_->data & WF_AUTOCANCEL;
2402 } 3287 }
2403 3288
2404 warn "flushing outstanding aio requests"; 3289 warn "flushing outstanding aio requests";
2405 for (;;) { 3290 for (;;) {
3291 BDB::flush;
2406 IO::AIO::flush; 3292 IO::AIO::flush;
2407 Coro::cede; 3293 Coro::cede;
2408 last unless IO::AIO::nreqs; 3294 last unless IO::AIO::nreqs || BDB::nreqs;
2409 warn "iterate..."; 3295 warn "iterate...";
2410 } 3296 }
3297
3298 ++$RELOAD;
2411 3299
2412 warn "cancelling all extension coros"; 3300 warn "cancelling all extension coros";
2413 $_->cancel for values %EXT_CORO; 3301 $_->cancel for values %EXT_CORO;
2414 %EXT_CORO = (); 3302 %EXT_CORO = ();
2415 3303
2416 warn "removing commands"; 3304 warn "removing commands";
2417 %COMMAND = (); 3305 %COMMAND = ();
2418 3306
2419 warn "removing ext commands"; 3307 warn "removing ext/exti commands";
2420 %EXTCMD = (); 3308 %EXTCMD = ();
3309 %EXTICMD = ();
2421 3310
2422 warn "unloading/nuking all extensions"; 3311 warn "unloading/nuking all extensions";
2423 for my $pkg (@EXTS) { 3312 for my $pkg (@EXTS) {
2424 warn "... unloading $pkg"; 3313 warn "... unloading $pkg";
2425 3314
2455 Symbol::delete_package "safe::$_" 3344 Symbol::delete_package "safe::$_"
2456 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);
2457 3346
2458 warn "unloading cf.pm \"a bit\""; 3347 warn "unloading cf.pm \"a bit\"";
2459 delete $INC{"cf.pm"}; 3348 delete $INC{"cf.pm"};
3349 delete $INC{"cf/pod.pm"};
2460 3350
2461 # don't, removes xs symbols, too, 3351 # don't, removes xs symbols, too,
2462 # and global variables created in xs 3352 # and global variables created in xs
2463 #Symbol::delete_package __PACKAGE__; 3353 #Symbol::delete_package __PACKAGE__;
2464 3354
2467 warn "reloading cf.pm"; 3357 warn "reloading cf.pm";
2468 require cf; 3358 require cf;
2469 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3359 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470 3360
2471 warn "loading config and database again"; 3361 warn "loading config and database again";
2472 cf::cfg_load; 3362 cf::reload_config;
2473 cf::db_load;
2474 3363
2475 warn "loading extensions"; 3364 warn "loading extensions";
2476 cf::load_extensions; 3365 cf::load_extensions;
2477 3366
2478 warn "reattaching attachments to objects/players"; 3367 warn "reattaching attachments to objects/players";
2479 _global_reattach; 3368 _global_reattach; # objects, sockets
2480 warn "reattaching attachments to maps"; 3369 warn "reattaching attachments to maps";
2481 reattach $_ for values %MAP; 3370 reattach $_ for values %MAP;
3371 warn "reattaching attachments to players";
3372 reattach $_ for values %PLAYER;
2482 3373
2483 warn "loading reloadable resources"; 3374 warn "leaving sync_job";
2484 load_resources;
2485 3375
2486 warn "restarting server ticker"; 3376 1
2487 3377 } or do {
2488 $TICK_WATCHER->start;
2489 };
2490
2491 if ($@) {
2492 warn $@; 3378 warn $@;
2493 warn "error while reloading, exiting."; 3379 warn "error while reloading, exiting.";
2494 exit 1; 3380 exit 1;
2495 } 3381 };
2496 3382
2497 warn "reloaded"; 3383 warn "reloaded";
2498}; 3384};
2499 3385
2500our $RELOAD_WATCHER; # used only during reload 3386our $RELOAD_WATCHER; # used only during reload
2501 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
2502register_command "reload" => sub { 3403register_command "reload" => sub {
2503 my ($who, $arg) = @_; 3404 my ($who, $arg) = @_;
2504 3405
2505 if ($who->flag (FLAG_WIZ)) { 3406 if ($who->flag (FLAG_WIZ)) {
2506 $who->message ("reloading server."); 3407 $who->message ("reloading server.");
2507 3408 async { reload_perl };
2508 # doing reload synchronously and two reloads happen back-to-back,
2509 # coro crashes during coro_state_free->destroy here.
2510
2511 $RELOAD_WATCHER ||= Event->timer (
2512 reentrant => 0,
2513 after => 0,
2514 data => WF_AUTOCANCEL,
2515 cb => sub {
2516 reload;
2517 undef $RELOAD_WATCHER;
2518 },
2519 );
2520 } 3409 }
2521}; 3410};
2522 3411
2523unshift @INC, $LIBDIR; 3412unshift @INC, $LIBDIR;
2524 3413
2525my $bug_warning = 0; 3414my $bug_warning = 0;
2526 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;
2527$TICK_WATCHER = Event->timer ( 3439$TICK_WATCHER = Event->timer (
2528 reentrant => 0, 3440 reentrant => 0,
2529 parked => 1, 3441 parked => 1,
2530 prio => 0, 3442 prio => 0,
2531 at => $NEXT_TICK || $TICK, 3443 at => $NEXT_TICK || $TICK,
2535 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"
2536 unless ++$bug_warning > 10; 3448 unless ++$bug_warning > 10;
2537 return; 3449 return;
2538 } 3450 }
2539 3451
2540 $NOW = Event::time; 3452 $NOW = $tick_start = Event::time;
2541 3453
2542 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
2543 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2544 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2545 3481
2546 $WAIT_FOR_TICK->broadcast; 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
2548 3484 Coro::async_pool {
2549 Event::sweep; 3485 write_runtime
2550 Coro::cede_notself; 3486 or warn "ERROR: unable to write runtime file: $!";
3487 };
2551 3488 }
3489
2552# my $AFTER = Event::time; 3490# my $AFTER = Event::time;
2553# warn $AFTER - $NOW;#d# 3491# warn $AFTER - $NOW;#d#
2554 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
2555 # 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
2556 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3503 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557 3504
2558 $TICK_WATCHER->at ($NEXT_TICK); 3505 $TICK_WATCHER->at ($NEXT_TICK);
2559 $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
2560 }, 3514 },
2561); 3515);
2562 3516
2563{ 3517{
2564 BDB::max_poll_time $TICK * 0.1; 3518 BDB::max_poll_time $TICK * 0.1;
2589 3543
2590 unless ($DB_ENV) { 3544 unless ($DB_ENV) {
2591 $DB_ENV = BDB::db_env_create; 3545 $DB_ENV = BDB::db_env_create;
2592 3546
2593 cf::sync_job { 3547 cf::sync_job {
3548 eval {
2594 BDB::db_env_open 3549 BDB::db_env_open
2595 $DB_ENV, 3550 $DB_ENV,
2596 $BDB_ENV_DIR, 3551 $BDBDIR,
2597 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3552 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3553 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599 0666; 3554 0666;
2600 3555
2601 cf::cleanup "$!" if $!; 3556 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602 3557
2603 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3558 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604 $DB_ENV->set_lk_detect; 3559 $DB_ENV->set_lk_detect;
3560 };
3561
3562 cf::cleanup "db_env_open(db): $@" if $@;
2605 }; 3563 };
2606 } 3564 }
2607} 3565}
2608 3566
2609{ 3567{
2611 3569
2612 undef $Coro::AIO::WATCHER; 3570 undef $Coro::AIO::WATCHER;
2613 IO::AIO::max_poll_time $TICK * 0.1; 3571 IO::AIO::max_poll_time $TICK * 0.1;
2614 $AIO_POLL_WATCHER = Event->io ( 3572 $AIO_POLL_WATCHER = Event->io (
2615 reentrant => 0, 3573 reentrant => 0,
3574 data => WF_AUTOCANCEL,
2616 fd => IO::AIO::poll_fileno, 3575 fd => IO::AIO::poll_fileno,
2617 poll => 'r', 3576 poll => 'r',
2618 prio => 6, 3577 prio => 6,
2619 data => WF_AUTOCANCEL,
2620 cb => \&IO::AIO::poll_cb, 3578 cb => \&IO::AIO::poll_cb,
2621 ); 3579 );
2622} 3580}
2623 3581
2624$WRITE_RUNTIME_WATCHER = Event->timer ( 3582my $_log_backtrace;
2625 reentrant => 0, 3583
2626 data => WF_AUTOCANCEL, 3584sub _log_backtrace {
2627 after => 1, 3585 my ($msg, @addr) = @_;
2628 interval => 10, 3586
2629 prio => 6, # keep it lowest so it acts like a watchdog 3587 $msg =~ s/\n//;
2630 cb => Coro::unblock_sub { 3588
2631 write_runtime 3589 # limit the # of concurrent backtraces
2632 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";
2633 }, 3617 }
2634); 3618}
3619
3620# load additional modules
3621use cf::pod;
2635 3622
2636END { cf::emergency_save } 3623END { cf::emergency_save }
2637 3624
26381 36251
2639 3626

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