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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use Event; 9use Event;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable ();
13 14
14use Coro 3.52 (); 15use Coro 4.1 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
21 25
26use JSON::XS ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
26use YAML::Syck (); 31use YAML::Syck ();
27use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
31# configure various modules to our taste 37# configure various modules to our taste
32# 38#
39$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 42
36$Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
37 44
… …
45our %COMMAND = (); 52our %COMMAND = ();
46our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
47 54
48our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
52 60
53our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
54our @EVENT; 62our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 63
57our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58our $TICK_WATCHER; 77our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 80our $NEXT_TICK;
62our $NOW; 81our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
64 83
65our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 88our $DB_ENV;
67 89
68our %CFG; 90our %CFG;
69 91
70our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 93our $RUNTIME;
72 94
73our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 98
82# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
85binmode STDOUT; 106binmode STDOUT;
86binmode STDERR; 107binmode STDERR;
87 108
88# read virtual server time, if available 109# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
93} 114}
94 115
95mkdir cf::localdir; 116mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 118
102our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
103 120
104sub cf::map::normalise; 121sub cf::map::normalise;
105 122
… …
116=item $cf::RUNTIME 133=item $cf::RUNTIME
117 134
118The time this server has run, starts at 0 and is increased by $cf::TICK on 135The time this server has run, starts at 0 and is increased by $cf::TICK on
119every server tick. 136every server tick.
120 137
121=item $cf::LIBDIR 138=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122 141
123The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
124be found. It will be added to C<@INC> automatically. 143directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144unique-items directory, player file directory, random maps directory and
145database environment.
125 146
126=item $cf::NOW 147=item $cf::NOW
127 148
128The time of the last (current) server tick. 149The time of the last (current) server tick.
129 150
130=item $cf::TICK 151=item $cf::TICK
131 152
132The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
133 164
134=item %cf::CFG 165=item %cf::CFG
135 166
136Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 168from wherever your confdir points to.
138 169
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
140 171
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 173returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
145 181
146=back 182=back
147 183
148=cut 184=cut
149 185
150BEGIN { 186BEGIN {
151 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 188 my $msg = join "", @_;
153 utf8::encode $msg;
154 189
155 $msg .= "\n" 190 $msg .= "\n"
156 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157 194
158 LOG llevError, $msg; 195 LOG llevError, $msg;
159 }; 196 };
160} 197}
161 198
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168 206
169# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
170# within the Safe compartment. 208# within the Safe compartment.
171for my $pkg (qw( 209for my $pkg (qw(
172 cf::global cf::attachable 210 cf::global cf::attachable
… …
180} 218}
181 219
182$Event::DIED = sub { 220$Event::DIED = sub {
183 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
184}; 222};
223
224#############################################################################
185 225
186=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
187 227
188=over 4 228=over 4
189 229
… …
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d 249 $d
210 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
211} 251}
212 252
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
216 254
217Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
218 256
219=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
220 258
221Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
260
261=cut
262
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264
265sub to_json ($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) }
222 267
223=item cf::lock_wait $string 268=item cf::lock_wait $string
224 269
225Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
226 271
… …
229Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
230a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
232returned. 277returned.
233 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
234Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
235uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
236 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
237=cut 289=cut
238 290
239our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
240 293
241sub lock_wait($) { 294sub lock_wait($) {
242 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
243 301
244 # wait for lock, if any 302 # wait for lock, if any
245 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 305 Coro::schedule;
… …
253 311
254 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
255 lock_wait $key; 313 lock_wait $key;
256 314
257 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
258 317
259 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
262 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
263} 329}
264 330
265sub freeze_mainloop { 331sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
267 333
… …
270 }; 336 };
271 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
272 $guard 338 $guard
273} 339}
274 340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
397}
398
275=item cf::async { BLOCK } 399=item cf::async { BLOCK }
276 400
277Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 402C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
… …
282 406
283BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
284 408
285=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
286 410
287The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
290 415
291If it must be done, put the blocking parts into C<sync_job>. This will run 416If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
294fast or be very important. 419fast or be very important.
… …
297 422
298sub sync_job(&) { 423sub sync_job(&) {
299 my ($job) = @_; 424 my ($job) = @_;
300 425
301 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
302 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
304 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
305 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 435 # (but this is cancel-safe)
307 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
308 437
309 my $busy = 1; 438 my $busy = 1;
310 my @res; 439 my @res;
311 440
312 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 443 @res = eval { $job->() };
314 warn $@ if $@; 444 warn $@ if $@;
315 undef $busy; 445 undef $busy;
316 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
317 447
318 while ($busy) { 448 while ($busy) {
319 Coro::cede or Event::one_event; 449 Coro::cede or Event::one_event;
320 } 450 }
451
452 $time = Event::time - $time;
453
454 LOG llevError | logBacktrace, Carp::longmess "long sync job"
455 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457 $tick_start += $time; # do not account sync jobs to server load
321 458
322 wantarray ? @res : $res[0] 459 wantarray ? @res : $res[0]
323 } else { 460 } else {
324 # we are in another coroutine, how wonderful, everything just works 461 # we are in another coroutine, how wonderful, everything just works
325 462
… …
345 $EXT_CORO{$coro+0} = $coro; 482 $EXT_CORO{$coro+0} = $coro;
346 483
347 $coro 484 $coro
348} 485}
349 486
350sub write_runtime { 487=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 488
353 my $runtime = cf::localdir . "/runtime"; 489Executes the given code block with the given arguments in a seperate
490process, returning the results. Everything must be serialisable with
491Coro::Storable. May, of course, block. Note that the executed sub may
492never block itself or use any form of Event handling.
354 493
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 494=cut
356 or return;
357 495
358 my $value = $cf::RUNTIME + 90 + 10; 496sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 497 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 498
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 499 # we seemingly have to make a local copy of the whole thing,
363 and return; 500 # otherwise perl prematurely frees the stuff :/
501 # TODO: investigate and fix (likely this will be rather laborious)
364 502
365 # always fsync - this file is important 503 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 504 reset_signals;
367 and return; 505 &$cb
506 }, @args;
368 507
369 close $fh 508 wantarray ? @res : $res[-1]
370 or return; 509}
371 510
372 aio_rename "$runtime~", $runtime 511=item $value = cf::db_get $family => $key
373 and return;
374 512
513Returns a single value from the environment database.
514
515=item cf::db_put $family => $key => $value
516
517Stores the given C<$value> in the family. It can currently store binary
518data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
519
520=item $db = cf::db_table "name"
521
522Create and/or open a new database table. The string must not be "db" and must be unique
523within each server.
524
525=cut
526
527sub db_table($) {
528 my ($name) = @_;
529 my $db = BDB::db_create $DB_ENV;
530
531 eval {
532 $db->set_flags (BDB::CHKSUM);
533
534 utf8::encode $name;
535 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
536 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
537 cf::cleanup "db_open(db): $!" if $!;
538 };
539 cf::cleanup "db_open(db): $@" if $@;
540
541 $db
542}
543
544our $DB;
545
546sub db_init {
547 cf::sync_job {
548 $DB ||= db_table "db";
549 };
550}
551
552sub db_get($$) {
553 my $key = "$_[0]/$_[1]";
554
555 cf::sync_job {
556 BDB::db_get $DB, undef, $key, my $data;
557
558 $! ? ()
559 : $data
375 1 560 }
561}
562
563sub db_put($$$) {
564 BDB::dbreq_pri 4;
565 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
566}
567
568=item cf::cache $id => [$paths...], $processversion => $process
569
570Generic caching function that returns the value of the resource $id,
571caching and regenerating as required.
572
573This function can block.
574
575=cut
576
577sub cache {
578 my ($id, $src, $processversion, $process) = @_;
579
580 my $meta =
581 join "\x00",
582 $processversion,
583 map {
584 aio_stat $_
585 and Carp::croak "$_: $!";
586
587 ($_, (stat _)[7,9])
588 } @$src;
589
590 my $dbmeta = db_get cache => "$id/meta";
591 if ($dbmeta ne $meta) {
592 # changed, we may need to process
593
594 my @data;
595 my $md5;
596
597 for (0 .. $#$src) {
598 0 <= aio_load $src->[$_], $data[$_]
599 or Carp::croak "$src->[$_]: $!";
600 }
601
602 # if processing is expensive, check
603 # checksum first
604 if (1) {
605 $md5 =
606 join "\x00",
607 $processversion,
608 map {
609 cf::cede_to_tick;
610 ($src->[$_], Digest::MD5::md5_hex $data[$_])
611 } 0.. $#$src;
612
613
614 my $dbmd5 = db_get cache => "$id/md5";
615 if ($dbmd5 eq $md5) {
616 db_put cache => "$id/meta", $meta;
617
618 return db_get cache => "$id/data";
619 }
620 }
621
622 my $t1 = Time::HiRes::time;
623 my $data = $process->(\@data);
624 my $t2 = Time::HiRes::time;
625
626 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
627
628 db_put cache => "$id/data", $data;
629 db_put cache => "$id/md5" , $md5;
630 db_put cache => "$id/meta", $meta;
631
632 return $data;
633 }
634
635 db_get cache => "$id/data"
376} 636}
377 637
378=item cf::datalog type => key => value, ... 638=item cf::datalog type => key => value, ...
379 639
380Log a datalog packet of the given type with the given key-value pairs. 640Log a datalog packet of the given type with the given key-value pairs.
… …
398attach callbacks/event handlers (a collection of which is called an "attachment") 658attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 659to it. All such attachable objects support the following methods.
400 660
401In the following description, CLASS can be any of C<global>, C<object> 661In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 662C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 663Crossfire TRT).
404 664
405=over 4 665=over 4
406 666
407=item $attachable->attach ($attachment, key => $value...) 667=item $attachable->attach ($attachment, key => $value...)
408 668
… …
571 $registry = $CB_TYPE[$object_type] ||= []; 831 $registry = $CB_TYPE[$object_type] ||= [];
572 832
573 } elsif ($type eq "subtype") { 833 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 834 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 835 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 836 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 837
578 } elsif ($type eq "package") { 838 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 839 my $pkg = shift @arg;
580 840
581 while (my ($name, $id) = each %cb_id) { 841 while (my ($name, $id) = each %cb_id) {
… …
610 _attach $registry, $klass, @attach; 870 _attach $registry, $klass, @attach;
611 } 871 }
612 872
613 $obj->{$name} = \%arg; 873 $obj->{$name} = \%arg;
614 } else { 874 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 875 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 876 }
617 877
618 $obj->{_attachment}{$name} = undef; 878 $obj->{_attachment}{$name} = undef;
619} 879}
620 880
… …
622 if (ref $_[0]) { 882 if (ref $_[0]) {
623 _object_attach @_; 883 _object_attach @_;
624 } else { 884 } else {
625 _attach shift->_attach_registry, @_; 885 _attach shift->_attach_registry, @_;
626 } 886 }
887 _recalc_want;
627}; 888};
628 889
629# all those should be optimised 890# all those should be optimised
630sub cf::attachable::detach { 891sub cf::attachable::detach {
631 my ($obj, $name) = @_; 892 my ($obj, $name) = @_;
… …
634 delete $obj->{_attachment}{$name}; 895 delete $obj->{_attachment}{$name};
635 reattach ($obj); 896 reattach ($obj);
636 } else { 897 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 898 Carp::croak "cannot, currently, detach class attachments";
638 } 899 }
900 _recalc_want;
639}; 901};
640 902
641sub cf::attachable::attached { 903sub cf::attachable::attached {
642 my ($obj, $name) = @_; 904 my ($obj, $name) = @_;
643 905
… …
658 "; 920 ";
659 die if $@; 921 die if $@;
660} 922}
661 923
662our $override; 924our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 925our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 926
665sub override { 927sub override {
666 $override = 1; 928 $override = 1;
667 @invoke_results = (); 929 @INVOKE_RESULTS = (@_);
668} 930}
669 931
670sub do_invoke { 932sub do_invoke {
671 my $event = shift; 933 my $event = shift;
672 my $callbacks = shift; 934 my $callbacks = shift;
673 935
674 @invoke_results = (); 936 @INVOKE_RESULTS = ();
675 937
676 local $override; 938 local $override;
677 939
678 for (@$callbacks) { 940 for (@$callbacks) {
679 eval { &{$_->[1]} }; 941 eval { &{$_->[1]} };
… …
696 958
697Generate an object-specific event with the given arguments. 959Generate an object-specific event with the given arguments.
698 960
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 961This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 962removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 963results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 964
703=back 965=back
704 966
705=cut 967=cut
706 968
707############################################################################# 969#############################################################################
708# object support 970# object support
971#
972
973sub _can_merge {
974 my ($ob1, $ob2) = @_;
975
976 return 1;#d#
977
978 #todo#d# kill yourself and do some recursive checking manually without storable
979 sync_job {
980 my $guard = Coro::Storable::guard;
981 local $Storable::canonical = 1;
982 my $fob1 = Storable::freeze $ob1;
983 my $fob2 = Storable::freeze $ob2;
984 $fob1 eq $fob2
985 }
986}
709 987
710sub reattach { 988sub reattach {
711 # basically do the same as instantiate, without calling instantiate 989 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 990 my ($obj) = @_;
713 991
… …
760sub object_freezer_save { 1038sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1039 my ($filename, $rdata, $objs) = @_;
762 1040
763 sync_job { 1041 sync_job {
764 if (length $$rdata) { 1042 if (length $$rdata) {
1043 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1044 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1045 $decname, length $$rdata, scalar @$objs;
767 1046
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1047 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1048 chmod SAVE_MODE, $fh;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1049 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1050 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1051 close $fh;
773 1052
774 if (@$objs) { 1053 if (@$objs) {
775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1054 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776 chmod SAVE_MODE, $fh; 1055 chmod SAVE_MODE, $fh;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1056 my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1057 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1058 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1059 close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1060 aio_rename "$filename.pst~", "$filename.pst";
782 } 1061 }
… …
790 } 1069 }
791 } else { 1070 } else {
792 aio_unlink $filename; 1071 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1072 aio_unlink "$filename.pst";
794 } 1073 }
795 } 1074 };
796} 1075}
797 1076
798sub object_freezer_as_string { 1077sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1078 my ($rdata, $objs) = @_;
800 1079
… …
812 or return; 1091 or return;
813 1092
814 unless (aio_stat "$filename.pst") { 1093 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1094 (aio_load "$filename.pst", $av) >= 0
816 or return; 1095 or return;
817 $av = eval { (Storable::thaw $av)->{objs} };
818 }
819 1096
1097 my $st = eval { Coro::Storable::thaw $av }
1098 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1099 $av = $st->{objs};
1100 }
1101
1102 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1103 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1104 $decname, length $data, scalar @{$av || []};
1105
822 return ($data, $av); 1106 ($data, $av)
823} 1107}
1108
1109=head2 COMMAND CALLBACKS
1110
1111=over 4
1112
1113=cut
824 1114
825############################################################################# 1115#############################################################################
826# command handling &c 1116# command handling &c
827 1117
828=item cf::register_command $name => \&callback($ob,$args); 1118=item cf::register_command $name => \&callback($ob,$args);
… …
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1131 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1132}
843 1133
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1134=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1135
846Register a callbackf ro execution when the client sends an extcmd packet. 1136Register a callback for execution when the client sends an (synchronous)
1137extcmd packet. Ext commands will be processed in the order they are
1138received by the server, like other user commands. The first argument is
1139the logged-in player. Ext commands can only be processed after a player
1140has logged in successfully.
847 1141
848If the callback returns something, it is sent back as if reply was being 1142If the callback returns something, it is sent back as if reply was being
849called. 1143called.
850 1144
1145=item cf::register_exticmd $name => \&callback($ns,$packet);
1146
1147Register a callback for execution when the client sends an (asynchronous)
1148exticmd packet. Exti commands are processed by the server as soon as they
1149are received, i.e. out of order w.r.t. other commands. The first argument
1150is a client socket. Exti commands can be received anytime, even before
1151log-in.
1152
1153If the callback returns something, it is sent back as if reply was being
1154called.
1155
851=cut 1156=cut
852 1157
853sub register_extcmd { 1158sub register_extcmd {
854 my ($name, $cb) = @_; 1159 my ($name, $cb) = @_;
855 1160
856 $EXTCMD{$name} = $cb; 1161 $EXTCMD{$name} = $cb;
1162}
1163
1164sub register_exticmd {
1165 my ($name, $cb) = @_;
1166
1167 $EXTICMD{$name} = $cb;
857} 1168}
858 1169
859cf::player->attach ( 1170cf::player->attach (
860 on_command => sub { 1171 on_command => sub {
861 my ($pl, $name, $params) = @_; 1172 my ($pl, $name, $params) = @_;
… …
870 cf::override; 1181 cf::override;
871 }, 1182 },
872 on_extcmd => sub { 1183 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1184 my ($pl, $buf) = @_;
874 1185
875 my $msg = eval { from_json $buf }; 1186 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1187
877 if (ref $msg) { 1188 if (ref $msg) {
1189 my ($type, $reply, @payload) =
1190 "ARRAY" eq ref $msg
1191 ? @$msg
1192 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1193
1194 my @reply;
1195
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1196 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1197 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1198 }
1199
1200 $pl->ext_reply ($reply, @reply)
1201 if $reply;
1202
883 } else { 1203 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1204 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1205 }
886 1206
887 cf::override; 1207 cf::override;
888 }, 1208 },
889); 1209);
890 1210
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1211sub load_extensions {
1212 cf::sync_job {
1213 my %todo;
1214
926 for my $ext (<$LIBDIR/*.ext>) { 1215 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1216 next unless -r $path;
928 eval { 1217
929 load_extension $ext; 1218 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1219 my $base = $1;
1220 my $pkg = $1;
1221 $pkg =~ s/[^[:word:]]/_/g;
1222 $pkg = "ext::$pkg";
1223
1224 open my $fh, "<:utf8", $path
1225 or die "$path: $!";
1226
1227 my $source = do { local $/; <$fh> };
1228
1229 my %ext = (
1230 path => $path,
1231 base => $base,
1232 pkg => $pkg,
1233 );
1234
1235 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1236 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1237
1238 $ext{source} =
1239 "package $pkg; use strict; use utf8;\n"
1240 . "#line 1 \"$path\"\n{\n"
1241 . $source
1242 . "\n};\n1";
1243
1244 $todo{$base} = \%ext;
1245 }
1246
1247 my %done;
1248 while (%todo) {
1249 my $progress;
1250
1251 while (my ($k, $v) = each %todo) {
1252 for (split /,\s*/, $v->{meta}{depends}) {
1253 goto skip
1254 unless exists $done{$_};
1255 }
1256
1257 warn "... loading '$k' into '$v->{pkg}'\n";
1258
1259 unless (eval $v->{source}) {
1260 my $msg = $@ ? "$v->{path}: $@\n"
1261 : "$v->{base}: extension inactive.\n";
1262
1263 if (exists $v->{meta}{mandatory}) {
1264 warn $msg;
1265 warn "mandatory extension failed to load, exiting.\n";
1266 exit 1;
1267 }
1268
1269 warn $msg;
1270 }
1271
1272 $done{$k} = delete $todo{$k};
1273 push @EXTS, $v->{pkg};
1274 $progress = 1;
930 1 1275 }
931 } or warn "$ext not loaded: $@"; 1276
1277 skip:
1278 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1279 unless $progress;
1280 }
932 } 1281 };
933} 1282}
934 1283
935############################################################################# 1284#############################################################################
936 1285
1286=back
1287
937=head2 CORE EXTENSIONS 1288=head2 CORE EXTENSIONS
938 1289
939Functions and methods that extend core crossfire objects. 1290Functions and methods that extend core crossfire objects.
940 1291
941=cut 1292=cut
… …
946 1297
947=head3 cf::player 1298=head3 cf::player
948 1299
949=over 4 1300=over 4
950 1301
1302=item cf::player::num_playing
1303
1304Returns the official number of playing players, as per the Crossfire metaserver rules.
1305
1306=cut
1307
1308sub num_playing {
1309 scalar grep
1310 $_->ob->map
1311 && !$_->hidden
1312 && !$_->ob->flag (cf::FLAG_WIZ),
1313 cf::player::list
1314}
1315
951=item cf::player::find $login 1316=item cf::player::find $login
952 1317
953Returns the given player object, loading it if necessary (might block). 1318Returns the given player object, loading it if necessary (might block).
954 1319
955=cut 1320=cut
956 1321
957sub playerdir($) { 1322sub playerdir($) {
958 cf::localdir 1323 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1324 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1325}
964 1326
965sub path($) { 1327sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1328 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1355 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1356 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1357 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl"; 1358 aio_unlink +(playerdir $login) . "/$login.pl";
997 1359
998 my $pl = load_pl path $login 1360 my $f = new_from_file cf::object::thawer path $login
999 or return; 1361 or return;
1362
1363 my $pl = cf::player::load_pl $f
1364 or return;
1365 local $cf::PLAYER_LOADING{$login} = $pl;
1366 $f->resolve_delayed_derefs;
1000 $cf::PLAYER{$login} = $pl 1367 $cf::PLAYER{$login} = $pl
1001 } 1368 }
1002 } 1369 }
1003} 1370}
1004 1371
… …
1014 1381
1015 aio_mkdir playerdir $pl, 0770; 1382 aio_mkdir playerdir $pl, 0770;
1016 $pl->{last_save} = $cf::RUNTIME; 1383 $pl->{last_save} = $cf::RUNTIME;
1017 1384
1018 $pl->save_pl ($path); 1385 $pl->save_pl ($path);
1019 Coro::cede; 1386 cf::cede_to_tick;
1020} 1387}
1021 1388
1022sub new($) { 1389sub new($) {
1023 my ($login) = @_; 1390 my ($login) = @_;
1024 1391
… …
1028 $self->{deny_save} = 1; 1395 $self->{deny_save} = 1;
1029 1396
1030 $cf::PLAYER{$login} = $self; 1397 $cf::PLAYER{$login} = $self;
1031 1398
1032 $self 1399 $self
1400}
1401
1402=item $player->send_msg ($channel, $msg, $color, [extra...])
1403
1404=cut
1405
1406sub send_msg {
1407 my $ns = shift->ns
1408 or return;
1409 $ns->send_msg (@_);
1033} 1410}
1034 1411
1035=item $pl->quit_character 1412=item $pl->quit_character
1036 1413
1037Nukes the player without looking back. If logged in, the connection will 1414Nukes the player without looking back. If logged in, the connection will
… …
1086while and may block, so not sync_job-capable, ever. 1463while and may block, so not sync_job-capable, ever.
1087 1464
1088=cut 1465=cut
1089 1466
1090sub list_logins { 1467sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1468 my $dirs = aio_readdir $PLAYERDIR
1092 or return []; 1469 or return [];
1093 1470
1094 my @logins; 1471 my @logins;
1095 1472
1096 for my $login (@$dirs) { 1473 for my $login (@$dirs) {
1474 my $path = path $login;
1475
1476 # a .pst is a dead give-away for a valid player
1477 unless (-e "$path.pst") {
1097 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1478 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098 aio_read $fh, 0, 512, my $buf, 0 or next; 1479 aio_read $fh, 0, 512, my $buf, 0 or next;
1099 $buf !~ /^password -------------$/m or next; # official not-valid tag 1480 $buf !~ /^password -------------$/m or next; # official not-valid tag
1481 }
1100 1482
1101 utf8::decode $login; 1483 utf8::decode $login;
1102 push @logins, $login; 1484 push @logins, $login;
1103 } 1485 }
1104 1486
… …
1131 } 1513 }
1132 1514
1133 \@paths 1515 \@paths
1134} 1516}
1135 1517
1518=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1519
1520Expand crossfire pod fragments into protocol xml.
1521
1522=cut
1523
1524sub expand_cfpod {
1525 ((my $self), (local $_)) = @_;
1526
1527 # escape & and <
1528 s/&/&amp;/g;
1529 s/(?<![BIUGHT])</&lt;/g;
1530
1531 # this is buggy, it needs to properly take care of nested <'s
1532
1533 1 while
1534 # replace B<>, I<>, U<> etc.
1535 s/B<([^\>]*)>/<b>$1<\/b>/
1536 || s/I<([^\>]*)>/<i>$1<\/i>/
1537 || s/U<([^\>]*)>/<u>$1<\/u>/
1538 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1539 # replace G<male|female> tags
1540 || s{G<([^>|]*)\|([^>]*)>}{
1541 $self->gender ? $2 : $1
1542 }ge
1543 # replace H<hint text>
1544 || s{H<([^\>]*)>}
1545 {
1546 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1547 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1548 "")
1549 [$self->{hintmode}]
1550 }ge;
1551
1552 # create single paragraphs (very hackish)
1553 s/(?<=\S)\n(?=\w)/ /g;
1554
1555 # compress some whitespace
1556 s/\s+\n/\n/g; # ws line-ends
1557 s/\n\n+/\n/g; # double lines
1558 s/^\n+//; # beginning lines
1559 s/\n+$//; # ending lines
1560
1561 $_
1562}
1563
1564sub hintmode {
1565 $_[0]{hintmode} = $_[1] if @_ > 1;
1566 $_[0]{hintmode}
1567}
1568
1136=item $player->ext_reply ($msgid, %msg) 1569=item $player->ext_reply ($msgid, @msg)
1137 1570
1138Sends an ext reply to the player. 1571Sends an ext reply to the player.
1139 1572
1140=cut 1573=cut
1141 1574
1142sub ext_reply($$%) { 1575sub ext_reply($$@) {
1143 my ($self, $id, %msg) = @_; 1576 my ($self, $id, @msg) = @_;
1144 1577
1145 $msg{msgid} = $id; 1578 $self->ns->ext_reply ($id, @msg)
1146
1147 $self->send ("ext " . cf::to_json \%msg);
1148} 1579}
1149 1580
1150=item $player->ext_event ($type, %msg) 1581=item $player->ext_msg ($type, @msg)
1151 1582
1152Sends an ext event to the client. 1583Sends an ext event to the client.
1153 1584
1154=cut 1585=cut
1155 1586
1156sub ext_event($$%) { 1587sub ext_msg($$@) {
1157 my ($self, $type, %msg) = @_; 1588 my ($self, $type, @msg) = @_;
1158 1589
1159 $self->ns->ext_event ($type, %msg); 1590 $self->ns->ext_msg ($type, @msg);
1160} 1591}
1161 1592
1162package cf; 1593=head3 cf::region
1594
1595=over 4
1596
1597=cut
1598
1599package cf::region;
1600
1601=item cf::region::find_by_path $path
1602
1603Tries to decuce the likely region for a map knowing only its path.
1604
1605=cut
1606
1607sub find_by_path($) {
1608 my ($path) = @_;
1609
1610 my ($match, $specificity);
1611
1612 for my $region (list) {
1613 if ($region->{match} && $path =~ $region->{match}) {
1614 ($match, $specificity) = ($region, $region->specificity)
1615 if $region->specificity > $specificity;
1616 }
1617 }
1618
1619 $match
1620}
1163 1621
1164=back 1622=back
1165
1166 1623
1167=head3 cf::map 1624=head3 cf::map
1168 1625
1169=over 4 1626=over 4
1170 1627
… …
1225 my ($self, $merge) = @_; 1682 my ($self, $merge) = @_;
1226 1683
1227 # we have to keep some variables in memory intact 1684 # we have to keep some variables in memory intact
1228 local $self->{path}; 1685 local $self->{path};
1229 local $self->{load_path}; 1686 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232 1687
1233 $self->SUPER::thawer_merge ($merge); 1688 $self->SUPER::thawer_merge ($merge);
1234} 1689}
1235 1690
1236sub normalise { 1691sub normalise {
… …
1283 $self->init; # pass $1 etc. 1738 $self->init; # pass $1 etc.
1284 return $self; 1739 return $self;
1285 } 1740 }
1286 } 1741 }
1287 1742
1288 Carp::carp "unable to resolve path '$path' (base '$base')."; 1743 Carp::cluck "unable to resolve path '$path' (base '$base').";
1289 () 1744 ()
1290} 1745}
1291 1746
1292sub init { 1747sub init {
1293 my ($self) = @_; 1748 my ($self) = @_;
… …
1308 1763
1309# the original (read-only) location 1764# the original (read-only) location
1310sub load_path { 1765sub load_path {
1311 my ($self) = @_; 1766 my ($self) = @_;
1312 1767
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1768 "$MAPDIR/$self->{path}.map"
1314} 1769}
1315 1770
1316# the temporary/swap location 1771# the temporary/swap location
1317sub save_path { 1772sub save_path {
1318 my ($self) = @_; 1773 my ($self) = @_;
1319 1774
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1775 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1776 "$TMPDIR/$path.map"
1322} 1777}
1323 1778
1324# the unique path, undef == no special unique path 1779# the unique path, undef == no special unique path
1325sub uniq_path { 1780sub uniq_path {
1326 my ($self) = @_; 1781 my ($self) = @_;
1327 1782
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1783 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1784 "$UNIQUEDIR/$path"
1330} 1785}
1331 1786
1332# and all this just because we cannot iterate over 1787# and all this just because we cannot iterate over
1333# all maps in C++... 1788# all maps in C++...
1334sub change_all_map_light { 1789sub change_all_map_light {
… …
1336 1791
1337 $_->change_map_light ($change) 1792 $_->change_map_light ($change)
1338 for grep $_->outdoor, values %cf::MAP; 1793 for grep $_->outdoor, values %cf::MAP;
1339} 1794}
1340 1795
1796sub decay_objects {
1797 my ($self) = @_;
1798
1799 return if $self->{deny_reset};
1800
1801 $self->do_decay_objects;
1802}
1803
1341sub unlink_save { 1804sub unlink_save {
1342 my ($self) = @_; 1805 my ($self) = @_;
1343 1806
1344 utf8::encode (my $save = $self->save_path); 1807 utf8::encode (my $save = $self->save_path);
1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1808 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1348 1811
1349sub load_header_from($) { 1812sub load_header_from($) {
1350 my ($self, $path) = @_; 1813 my ($self, $path) = @_;
1351 1814
1352 utf8::encode $path; 1815 utf8::encode $path;
1353 #aio_open $path, O_RDONLY, 0 1816 my $f = new_from_file cf::object::thawer $path
1354 # or return;
1355
1356 $self->_load_header ($path)
1357 or return; 1817 or return;
1818
1819 $self->_load_header ($f)
1820 or return;
1821
1822 local $MAP_LOADING{$self->{path}} = $self;
1823 $f->resolve_delayed_derefs;
1358 1824
1359 $self->{load_path} = $path; 1825 $self->{load_path} = $path;
1360 1826
1361 1 1827 1
1362} 1828}
… …
1401 $self->load_header_orig 1867 $self->load_header_orig
1402 or return; 1868 or return;
1403 $self->prepare_orig; 1869 $self->prepare_orig;
1404 } 1870 }
1405 1871
1872 $self->{deny_reset} = 1
1873 if $self->no_reset;
1874
1875 $self->default_region (cf::region::find_by_path $self->{path})
1876 unless $self->default_region;
1877
1406 1 1878 1
1407} 1879}
1408 1880
1409sub find; 1881sub find;
1410sub find { 1882sub find {
1411 my ($path, $origin) = @_; 1883 my ($path, $origin) = @_;
1412 1884
1413 $path = normalise $path, $origin && $origin->path; 1885 $path = normalise $path, $origin && $origin->path;
1414 1886
1887 cf::lock_wait "map_data:$path";#d#remove
1415 cf::lock_wait "map_find:$path"; 1888 cf::lock_wait "map_find:$path";
1416 1889
1417 $cf::MAP{$path} || do { 1890 $cf::MAP{$path} || do {
1418 my $guard = cf::lock_acquire "map_find:$path"; 1891 my $guard1 = cf::lock_acquire "map_find:$path";
1892 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1893
1419 my $map = new_from_path cf::map $path 1894 my $map = new_from_path cf::map $path
1420 or return; 1895 or return;
1421 1896
1422 $map->{last_save} = $cf::RUNTIME; 1897 $map->{last_save} = $cf::RUNTIME;
1423 1898
1424 $map->load_header 1899 $map->load_header
1425 or return; 1900 or return;
1426 1901
1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1902 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously 1903 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait; 1904 #$cf::WAIT_FOR_TICK->wait;
1905 undef $guard1;
1906 undef $guard2;
1430 $map->reset; 1907 $map->reset;
1431 undef $guard;
1432 return find $path; 1908 return find $path;
1433 } 1909 }
1434 1910
1435 $cf::MAP{$path} = $map 1911 $cf::MAP{$path} = $map
1436 } 1912 }
… …
1443 my ($self) = @_; 1919 my ($self) = @_;
1444 1920
1445 local $self->{deny_reset} = 1; # loading can take a long time 1921 local $self->{deny_reset} = 1; # loading can take a long time
1446 1922
1447 my $path = $self->{path}; 1923 my $path = $self->{path};
1924
1925 {
1448 my $guard = cf::lock_acquire "map_load:$path"; 1926 my $guard = cf::lock_acquire "map_data:$path";
1449 1927
1928 return unless $self->valid;
1450 return if $self->in_memory != cf::MAP_SWAPPED; 1929 return unless $self->in_memory == cf::MAP_SWAPPED;
1451 1930
1452 $self->in_memory (cf::MAP_LOADING); 1931 $self->in_memory (cf::MAP_LOADING);
1453 1932
1454 $self->alloc; 1933 $self->alloc;
1455 1934
1456 $self->pre_load; 1935 $self->pre_load;
1936 cf::cede_to_tick;
1457 1937
1458 $self->_load_objects ($self->{load_path}, 1) 1938 my $f = new_from_file cf::object::thawer $self->{load_path};
1939 $f->skip_block;
1940 $self->_load_objects ($f)
1459 or return; 1941 or return;
1460 1942
1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1943 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462 if delete $self->{load_original}; 1944 if delete $self->{load_original};
1463 1945
1464 if (my $uniq = $self->uniq_path) { 1946 if (my $uniq = $self->uniq_path) {
1465 utf8::encode $uniq; 1947 utf8::encode $uniq;
1466 if (aio_open $uniq, O_RDONLY, 0) { 1948 unless (aio_stat $uniq) {
1949 if (my $f = new_from_file cf::object::thawer $uniq) {
1467 $self->clear_unique_items; 1950 $self->clear_unique_items;
1468 $self->_load_objects ($uniq, 0); 1951 $self->_load_objects ($f);
1952 $f->resolve_delayed_derefs;
1953 }
1469 } 1954 }
1470 } 1955 }
1471 1956
1472 Coro::cede; 1957 $f->resolve_delayed_derefs;
1473 1958
1959 cf::cede_to_tick;
1474 # now do the right thing for maps 1960 # now do the right thing for maps
1475 $self->link_multipart_objects; 1961 $self->link_multipart_objects;
1476
1477 unless ($self->{deny_activate}) {
1478 $self->decay_objects;
1479 $self->fix_auto_apply;
1480 $self->update_buttons;
1481 Coro::cede;
1482 $self->set_darkness_map;
1483 $self->difficulty ($self->estimate_difficulty) 1962 $self->difficulty ($self->estimate_difficulty)
1484 unless $self->difficulty; 1963 unless $self->difficulty;
1485 Coro::cede; 1964 cf::cede_to_tick;
1965
1966 unless ($self->{deny_activate}) {
1967 $self->decay_objects;
1968 $self->fix_auto_apply;
1969 $self->update_buttons;
1970 cf::cede_to_tick;
1971 $self->set_darkness_map;
1972 cf::cede_to_tick;
1486 $self->activate; 1973 $self->activate;
1974 }
1975
1976 $self->{last_save} = $cf::RUNTIME;
1977 $self->last_access ($cf::RUNTIME);
1978
1979 $self->in_memory (cf::MAP_IN_MEMORY);
1487 } 1980 }
1488 1981
1489 $self->post_load; 1982 $self->post_load;
1490
1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492} 1983}
1493 1984
1494sub customise_for { 1985sub customise_for {
1495 my ($self, $ob) = @_; 1986 my ($self, $ob) = @_;
1496 1987
1497 return find "~" . $ob->name . "/" . $self->{path} 1988 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player; 1989 if $self->per_player;
1499 1990
1991# return find "?party/" . $ob->name . "/" . $self->{path}
1992# if $self->per_party;
1993
1500 $self 1994 $self
1501} 1995}
1502 1996
1503# find and load all maps in the 3x3 area around a map 1997# find and load all maps in the 3x3 area around a map
1504sub load_diag { 1998sub load_neighbours {
1505 my ($map) = @_; 1999 my ($map) = @_;
1506 2000
1507 my @diag; # diagonal neighbours 2001 my @neigh; # diagonal neighbours
1508 2002
1509 for (0 .. 3) { 2003 for (0 .. 3) {
1510 my $neigh = $map->tile_path ($_) 2004 my $neigh = $map->tile_path ($_)
1511 or next; 2005 or next;
1512 $neigh = find $neigh, $map 2006 $neigh = find $neigh, $map
1513 or next; 2007 or next;
1514 $neigh->load; 2008 $neigh->load;
1515 2009
2010 push @neigh,
1516 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2011 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2012 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1518 } 2013 }
1519 2014
1520 for (@diag) { 2015 for (grep defined $_->[0], @neigh) {
2016 my ($path, $origin) = @$_;
1521 my $neigh = find @$_ 2017 my $neigh = find $path, $origin
1522 or next; 2018 or next;
1523 $neigh->load; 2019 $neigh->load;
1524 } 2020 }
1525} 2021}
1526 2022
… …
1531} 2027}
1532 2028
1533sub do_load_sync { 2029sub do_load_sync {
1534 my ($map) = @_; 2030 my ($map) = @_;
1535 2031
2032 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2033 if $Coro::current == $Coro::main;
2034
1536 cf::sync_job { $map->load }; 2035 cf::sync_job { $map->load };
1537} 2036}
1538 2037
1539our %MAP_PREFETCH; 2038our %MAP_PREFETCH;
1540our $MAP_PREFETCHER = undef; 2039our $MAP_PREFETCHER = undef;
1541 2040
1542sub find_async { 2041sub find_async {
1543 my ($path, $origin) = @_; 2042 my ($path, $origin, $load) = @_;
1544 2043
1545 $path = normalise $path, $origin && $origin->{path}; 2044 $path = normalise $path, $origin && $origin->{path};
1546 2045
1547 if (my $map = $cf::MAP{$path}) { 2046 if (my $map = $cf::MAP{$path}) {
1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2047 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549 } 2048 }
1550 2049
1551 undef $MAP_PREFETCH{$path}; 2050 $MAP_PREFETCH{$path} |= $load;
2051
1552 $MAP_PREFETCHER ||= cf::async { 2052 $MAP_PREFETCHER ||= cf::async {
2053 $Coro::current->{desc} = "map prefetcher";
2054
1553 while (%MAP_PREFETCH) { 2055 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) { 2056 while (my ($k, $v) = each %MAP_PREFETCH) {
1555 my $map = find $path 2057 if (my $map = find $k) {
1556 or next;
1557 $map->load; 2058 $map->load if $v;
2059 }
1558 2060
1559 delete $MAP_PREFETCH{$path}; 2061 delete $MAP_PREFETCH{$k};
1560 } 2062 }
1561 } 2063 }
1562 undef $MAP_PREFETCHER; 2064 undef $MAP_PREFETCHER;
1563 }; 2065 };
1564 $MAP_PREFETCHER->prio (6); 2066 $MAP_PREFETCHER->prio (6);
… …
1567} 2069}
1568 2070
1569sub save { 2071sub save {
1570 my ($self) = @_; 2072 my ($self) = @_;
1571 2073
1572 my $lock = cf::lock_acquire "map_data:" . $self->path; 2074 my $lock = cf::lock_acquire "map_data:$self->{path}";
1573 2075
1574 $self->{last_save} = $cf::RUNTIME; 2076 $self->{last_save} = $cf::RUNTIME;
1575 2077
1576 return unless $self->dirty; 2078 return unless $self->dirty;
1577 2079
… …
1583 return if $self->{deny_save}; 2085 return if $self->{deny_save};
1584 2086
1585 local $self->{last_access} = $self->last_access;#d# 2087 local $self->{last_access} = $self->last_access;#d#
1586 2088
1587 cf::async { 2089 cf::async {
2090 $Coro::current->{desc} = "map player save";
1588 $_->contr->save for $self->players; 2091 $_->contr->save for $self->players;
1589 }; 2092 };
1590 2093
1591 if ($uniq) { 2094 if ($uniq) {
1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2095 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1600 my ($self) = @_; 2103 my ($self) = @_;
1601 2104
1602 # save first because save cedes 2105 # save first because save cedes
1603 $self->save; 2106 $self->save;
1604 2107
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2108 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2109
1607 return if $self->players; 2110 return if $self->players;
1608 return if $self->in_memory != cf::MAP_IN_MEMORY; 2111 return if $self->in_memory != cf::MAP_IN_MEMORY;
1609 return if $self->{deny_save}; 2112 return if $self->{deny_save};
1610 2113
2114 $self->in_memory (cf::MAP_SWAPPED);
2115
2116 $self->deactivate;
2117 $_->clear_links_to ($self) for values %cf::MAP;
1611 $self->clear; 2118 $self->clear;
1612 $self->in_memory (cf::MAP_SWAPPED);
1613} 2119}
1614 2120
1615sub reset_at { 2121sub reset_at {
1616 my ($self) = @_; 2122 my ($self) = @_;
1617 2123
1618 # TODO: safety, remove and allow resettable per-player maps 2124 # TODO: safety, remove and allow resettable per-player maps
1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1620 return 1e99 if $self->{deny_reset}; 2125 return 1e99 if $self->{deny_reset};
1621 2126
1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2127 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2128 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624 2129
… …
1635 my ($self) = @_; 2140 my ($self) = @_;
1636 2141
1637 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2143
1639 return if $self->players; 2144 return if $self->players;
1640 return if $self->isa ("ext::map_per_player");#d#
1641 2145
1642 warn "resetting map ", $self->path;#d# 2146 warn "resetting map ", $self->path;
1643 2147
1644 $self->in_memory (cf::MAP_SWAPPED); 2148 $self->in_memory (cf::MAP_SWAPPED);
1645 2149
1646 # need to save uniques path 2150 # need to save uniques path
1647 unless ($self->{deny_save}) { 2151 unless ($self->{deny_save}) {
… …
1651 if $uniq; 2155 if $uniq;
1652 } 2156 }
1653 2157
1654 delete $cf::MAP{$self->path}; 2158 delete $cf::MAP{$self->path};
1655 2159
2160 $self->deactivate;
2161 $_->clear_links_to ($self) for values %cf::MAP;
1656 $self->clear; 2162 $self->clear;
1657
1658 $_->clear_links_to ($self) for values %cf::MAP;
1659 2163
1660 $self->unlink_save; 2164 $self->unlink_save;
1661 $self->destroy; 2165 $self->destroy;
1662} 2166}
1663 2167
1664my $nuke_counter = "aaaa"; 2168my $nuke_counter = "aaaa";
1665 2169
1666sub nuke { 2170sub nuke {
1667 my ($self) = @_; 2171 my ($self) = @_;
1668 2172
2173 {
2174 my $lock = cf::lock_acquire "map_data:$self->{path}";
2175
1669 delete $cf::MAP{$self->path}; 2176 delete $cf::MAP{$self->path};
1670 2177
1671 $self->unlink_save; 2178 $self->unlink_save;
1672 2179
1673 bless $self, "cf::map"; 2180 bless $self, "cf::map";
1674 delete $self->{deny_reset}; 2181 delete $self->{deny_reset};
1675 $self->{deny_save} = 1; 2182 $self->{deny_save} = 1;
1676 $self->reset_timeout (1); 2183 $self->reset_timeout (1);
1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2184 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678 2185
1679 $cf::MAP{$self->path} = $self; 2186 $cf::MAP{$self->path} = $self;
2187 }
1680 2188
1681 $self->reset; # polite request, might not happen 2189 $self->reset; # polite request, might not happen
2190}
2191
2192=item $maps = cf::map::tmp_maps
2193
2194Returns an arrayref with all map paths of currently instantiated and saved
2195maps. May block.
2196
2197=cut
2198
2199sub tmp_maps() {
2200 [
2201 map {
2202 utf8::decode $_;
2203 /\.map$/
2204 ? normalise $_
2205 : ()
2206 } @{ aio_readdir $TMPDIR or [] }
2207 ]
2208}
2209
2210=item $maps = cf::map::random_maps
2211
2212Returns an arrayref with all map paths of currently instantiated and saved
2213random maps. May block.
2214
2215=cut
2216
2217sub random_maps() {
2218 [
2219 map {
2220 utf8::decode $_;
2221 /\.map$/
2222 ? normalise "?random/$_"
2223 : ()
2224 } @{ aio_readdir $RANDOMDIR or [] }
2225 ]
1682} 2226}
1683 2227
1684=item cf::map::unique_maps 2228=item cf::map::unique_maps
1685 2229
1686Returns an arrayref of paths of all shared maps that have 2230Returns an arrayref of paths of all shared maps that have
1687instantiated unique items. May block. 2231instantiated unique items. May block.
1688 2232
1689=cut 2233=cut
1690 2234
1691sub unique_maps() { 2235sub unique_maps() {
1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2236 [
1693 or return; 2237 map {
1694
1695 my @paths;
1696
1697 for (@$files) {
1698 utf8::decode $_; 2238 utf8::decode $_;
1699 next if /\.pst$/; 2239 /\.map$/
1700 next unless /^$PATH_SEP/o; 2240 ? normalise $_
1701 2241 : ()
1702 push @paths, cf::map::normalise $_; 2242 } @{ aio_readdir $UNIQUEDIR or [] }
1703 } 2243 ]
1704
1705 \@paths
1706} 2244}
1707 2245
1708package cf; 2246package cf;
1709 2247
1710=back 2248=back
… …
1728 map { $_, inv_recursive_ $_->inv } @_ 2266 map { $_, inv_recursive_ $_->inv } @_
1729} 2267}
1730 2268
1731sub inv_recursive { 2269sub inv_recursive {
1732 inv_recursive_ inv $_[0] 2270 inv_recursive_ inv $_[0]
2271}
2272
2273=item $ref = $ob->ref
2274
2275creates and returns a persistent reference to an objetc that can be stored as a string.
2276
2277=item $ob = cf::object::deref ($refstring)
2278
2279returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2280even if the object actually exists. May block.
2281
2282=cut
2283
2284sub deref {
2285 my ($ref) = @_;
2286
2287 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2288 my ($uuid, $name) = ($1, $2);
2289 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2290 or return;
2291 $pl->ob->uuid eq $uuid
2292 or return;
2293
2294 $pl->ob
2295 } else {
2296 warn "$ref: cannot resolve object reference\n";
2297 undef
2298 }
1733} 2299}
1734 2300
1735package cf; 2301package cf;
1736 2302
1737=back 2303=back
… …
1756 2322
1757 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2323 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758 2324
1759 if ($self->{record_replies}) { 2325 if ($self->{record_replies}) {
1760 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2326 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2327
1761 } else { 2328 } else {
2329 my $pl = $self->contr;
2330
2331 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2332 my $dialog = $pl->{npc_dialog};
2333 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2334
2335 } else {
1762 $msg = $npc->name . " says: $msg" if $npc; 2336 $msg = $npc->name . " says: $msg" if $npc;
1763 $self->message ($msg, $flags); 2337 $self->message ($msg, $flags);
2338 }
1764 } 2339 }
2340}
2341
2342=item $object->send_msg ($channel, $msg, $color, [extra...])
2343
2344=cut
2345
2346sub cf::object::send_msg {
2347 my $pl = shift->contr
2348 or return;
2349 $pl->send_msg (@_);
1765} 2350}
1766 2351
1767=item $player_object->may ("access") 2352=item $player_object->may ("access")
1768 2353
1769Returns wether the given player is authorized to access resource "access" 2354Returns wether the given player is authorized to access resource "access"
… …
1816 $self->deactivate_recursive; 2401 $self->deactivate_recursive;
1817 2402
1818 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2403 return if UNIVERSAL::isa $self->map, "ext::map_link";
1819 2404
1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2405 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821 if $self->map; 2406 if $self->map && $self->map->{path} ne "{link}";
1822 2407
1823 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2408 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1824} 2409}
1825 2410
1826sub cf::object::player::leave_link { 2411sub cf::object::player::leave_link {
1827 my ($self, $map, $x, $y) = @_; 2412 my ($self, $map, $x, $y) = @_;
2413
2414 return unless $self->contr->active;
1828 2415
1829 my $link_pos = delete $self->{_link_pos}; 2416 my $link_pos = delete $self->{_link_pos};
1830 2417
1831 unless ($map) { 2418 unless ($map) {
1832 # restore original map position 2419 # restore original map position
… …
1846 # use -1 or undef as default coordinates, not 0, 0 2433 # use -1 or undef as default coordinates, not 0, 0
1847 ($x, $y) = ($map->enter_x, $map->enter_y) 2434 ($x, $y) = ($map->enter_x, $map->enter_y)
1848 if $x <=0 && $y <= 0; 2435 if $x <=0 && $y <= 0;
1849 2436
1850 $map->load; 2437 $map->load;
1851 $map->load_diag; 2438 $map->load_neighbours;
1852 2439
1853 return unless $self->contr->active; 2440 return unless $self->contr->active;
1854 $self->activate_recursive; 2441 $self->activate_recursive;
1855 2442
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2443 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857 $self->enter_map ($map, $x, $y); 2444 $self->enter_map ($map, $x, $y);
1858} 2445}
1859 2446
1860cf::player->attach ( 2447=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861 on_logout => sub {
1862 my ($pl) = @_;
1863 2448
1864 # abort map switching before logout 2449Moves the player to the given map-path and coordinates by first freezing
1865 if ($pl->ob->{_link_pos}) { 2450her, loading and preparing them map, calling the provided $check callback
1866 cf::sync_job { 2451that has to return the map if sucecssful, and then unfreezes the player on
1867 $pl->ob->leave_link 2452the new (success) or old (failed) map position. In either case, $done will
1868 }; 2453be called at the end of this process.
1869 }
1870 },
1871 on_login => sub {
1872 my ($pl) = @_;
1873 2454
1874 # try to abort aborted map switching on player login :)
1875 # should happen only on crashes
1876 if ($pl->ob->{_link_pos}) {
1877 $pl->ob->enter_link;
1878 (async {
1879 $pl->ob->reply (undef,
1880 "There was an internal problem at your last logout, "
1881 . "the server will try to bring you to your intended destination in a second.",
1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1885 Coro::Timer::sleep 1;
1886 $pl->ob->leave_link;
1887 })->prio (2);
1888 }
1889 },
1890);
1891
1892=item $player_object->goto ($path, $x, $y)
1893
1894=cut 2455=cut
2456
2457our $GOTOGEN;
1895 2458
1896sub cf::object::player::goto { 2459sub cf::object::player::goto {
1897 my ($self, $path, $x, $y) = @_; 2460 my ($self, $path, $x, $y, $check, $done) = @_;
2461
2462 # do generation counting so two concurrent goto's will be executed in-order
2463 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898 2464
1899 $self->enter_link; 2465 $self->enter_link;
1900 2466
1901 (async { 2467 (async {
2468 $Coro::current->{desc} = "player::goto $path $x $y";
2469
2470 # *tag paths override both path and x|y
2471 if ($path =~ /^\*(.*)$/) {
2472 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2473 my $ob = $obs[rand @obs];
2474
2475 # see if we actually can go there
2476 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2477 $ob = $obs[rand @obs];
2478 } else {
2479 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2480 }
2481 # else put us there anyways for now #d#
2482
2483 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2484 } else {
2485 ($path, $x, $y) = (undef, undef, undef);
2486 }
2487 }
2488
1902 my $map = eval { 2489 my $map = eval {
1903 my $map = cf::map::find $path; 2490 my $map = defined $path ? cf::map::find $path : undef;
2491
2492 if ($map) {
1904 $map = $map->customise_for ($self) if $map; 2493 $map = $map->customise_for ($self);
2494 $map = $check->($map) if $check && $map;
2495 } else {
2496 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2497 }
2498
1905 $map 2499 $map
2500 };
2501
2502 if ($@) {
2503 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2504 LOG llevError | logBacktrace, Carp::longmess $@;
1906 } or 2505 }
1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908 2506
2507 if ($gen == $self->{_goto_generation}) {
2508 delete $self->{_goto_generation};
1909 $self->leave_link ($map, $x, $y); 2509 $self->leave_link ($map, $x, $y);
2510 }
2511
2512 $done->() if $done;
1910 })->prio (1); 2513 })->prio (1);
1911} 2514}
1912 2515
1913=item $player_object->enter_exit ($exit_object) 2516=item $player_object->enter_exit ($exit_object)
1914 2517
… …
1953 2556
1954 $rmp->{random_seed} ||= $exit->random_seed; 2557 $rmp->{random_seed} ||= $exit->random_seed;
1955 2558
1956 my $data = cf::to_json $rmp; 2559 my $data = cf::to_json $rmp;
1957 my $md5 = Digest::MD5::md5_hex $data; 2560 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2561 my $meta = "$RANDOMDIR/$md5.meta";
1959 2562
1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2563 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961 aio_write $fh, 0, (length $data), $data, 0; 2564 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh; 2565 undef $fh;
1963 aio_rename "$meta~", $meta; 2566 aio_rename "$meta~", $meta;
… …
1983 my $hp = $exit->stats->hp; 2586 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp; 2587 my $sp = $exit->stats->sp;
1985 2588
1986 $self->enter_link; 2589 $self->enter_link;
1987 2590
2591 # if exit is damned, update players death & WoR home-position
2592 $self->contr->savebed ($slaying, $hp, $sp)
2593 if $exit->flag (FLAG_DAMNED);
2594
1988 (async { 2595 (async {
2596 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2597
1989 $self->deactivate_recursive; # just to be sure 2598 $self->deactivate_recursive; # just to be sure
1990 unless (eval { 2599 unless (eval {
1991 $self->goto ($slaying, $hp, $sp); 2600 $self->goto ($slaying, $hp, $sp);
1992 2601
1993 1; 2602 1;
… …
2019 2628
2020 utf8::encode $text; 2629 utf8::encode $text;
2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2630 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022} 2631}
2023 2632
2633=item $client->send_msg ($channel, $msg, $color, [extra...])
2634
2635Send a drawinfo or msg packet to the client, formatting the msg for the
2636client if neccessary. C<$type> should be a string identifying the type of
2637the message, with C<log> being the default. If C<$color> is negative, suppress
2638the message unless the client supports the msg packet.
2639
2640=cut
2641
2642our %CHANNEL = (
2643 "c/identify" => {
2644 id => "infobox",
2645 title => "Identify",
2646 reply => undef,
2647 tooltip => "Items recently identified",
2648 },
2649 "c/examine" => {
2650 id => "infobox",
2651 title => "Examine",
2652 reply => undef,
2653 tooltip => "Signs and other items you examined",
2654 },
2655 "c/lookat" => {
2656 id => "infobox",
2657 title => "Look",
2658 reply => undef,
2659 tooltip => "What you saw there",
2660 },
2661);
2662
2663sub cf::client::send_msg {
2664 my ($self, $channel, $msg, $color, @extra) = @_;
2665
2666 $msg = $self->pl->expand_cfpod ($msg);
2667
2668 $color &= cf::NDI_CLIENT_MASK; # just in case...
2669
2670 # check predefined channels, for the benefit of C
2671 if ($CHANNEL{$channel}) {
2672 $channel = $CHANNEL{$channel};
2673
2674 $self->ext_msg (channel_info => $channel)
2675 if $self->can_msg;
2676
2677 $channel = $channel->{id};
2678
2679 } elsif (ref $channel) {
2680 # send meta info to client, if not yet sent
2681 unless (exists $self->{channel}{$channel->{id}}) {
2682 $self->{channel}{$channel->{id}} = $channel;
2683 $self->ext_msg (channel_info => $channel)
2684 if $self->can_msg;
2685 }
2686
2687 $channel = $channel->{id};
2688 }
2689
2690 return unless @extra || length $msg;
2691
2692 if ($self->can_msg) {
2693 # default colour, mask it out
2694 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2695 if $color & cf::NDI_DEF;
2696
2697 $self->send_packet ("msg " . $self->{json_coder}->encode (
2698 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2699 } else {
2700 if ($color >= 0) {
2701 # replace some tags by gcfclient-compatible ones
2702 for ($msg) {
2703 1 while
2704 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2705 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2706 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2707 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2708 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2709 }
2710
2711 $color &= cf::NDI_COLOR_MASK;
2712
2713 utf8::encode $msg;
2714
2715 if (0 && $msg =~ /\[/) {
2716 # COMMAND/INFO
2717 $self->send_packet ("drawextinfo $color 10 8 $msg")
2718 } else {
2719 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2720 $self->send_packet ("drawinfo $color $msg")
2721 }
2722 }
2723 }
2724}
2725
2024=item $client->ext_event ($type, %msg) 2726=item $client->ext_msg ($type, @msg)
2025 2727
2026Sends an exti event to the client. 2728Sends an ext event to the client.
2027 2729
2028=cut 2730=cut
2029 2731
2030sub cf::client::ext_event($$%) { 2732sub cf::client::ext_msg($$@) {
2031 my ($self, $type, %msg) = @_; 2733 my ($self, $type, @msg) = @_;
2032 2734
2735 if ($self->extcmd == 2) {
2736 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2737 } elsif ($self->extcmd == 1) { # TODO: remove
2033 $msg{msgtype} = "event_$type"; 2738 push @msg, msgtype => "event_$type";
2034 $self->send_packet ("ext " . cf::to_json \%msg); 2739 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2740 }
2741}
2742
2743=item $client->ext_reply ($msgid, @msg)
2744
2745Sends an ext reply to the client.
2746
2747=cut
2748
2749sub cf::client::ext_reply($$@) {
2750 my ($self, $id, @msg) = @_;
2751
2752 if ($self->extcmd == 2) {
2753 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2754 } elsif ($self->extcmd == 1) {
2755 #TODO: version 1, remove
2756 unshift @msg, msgtype => "reply", msgid => $id;
2757 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2758 }
2035} 2759}
2036 2760
2037=item $success = $client->query ($flags, "text", \&cb) 2761=item $success = $client->query ($flags, "text", \&cb)
2038 2762
2039Queues a query to the client, calling the given callback with 2763Queues a query to the client, calling the given callback with
2040the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2764the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2765C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042 2766
2043Queries can fail, so check the return code. Or don't, as queries will become 2767Queries can fail, so check the return code. Or don't, as queries will
2044reliable at some point in the future. 2768become reliable at some point in the future.
2045 2769
2046=cut 2770=cut
2047 2771
2048sub cf::client::query { 2772sub cf::client::query {
2049 my ($self, $flags, $text, $cb) = @_; 2773 my ($self, $flags, $text, $cb) = @_;
… …
2057 utf8::encode $text; 2781 utf8::encode $text;
2058 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2782 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059 2783
2060 $self->send_packet ($self->{query_queue}[0][0]) 2784 $self->send_packet ($self->{query_queue}[0][0])
2061 if @{ $self->{query_queue} } == 1; 2785 if @{ $self->{query_queue} } == 1;
2786
2787 1
2062} 2788}
2063 2789
2064cf::client->attach ( 2790cf::client->attach (
2791 on_connect => sub {
2792 my ($ns) = @_;
2793
2794 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2795 },
2065 on_reply => sub { 2796 on_reply => sub {
2066 my ($ns, $msg) = @_; 2797 my ($ns, $msg) = @_;
2067 2798
2068 # this weird shuffling is so that direct followup queries 2799 # this weird shuffling is so that direct followup queries
2069 # get handled first 2800 # get handled first
… …
2081 } else { 2812 } else {
2082 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2813 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083 } 2814 }
2084 } 2815 }
2085 }, 2816 },
2817 on_exticmd => sub {
2818 my ($ns, $buf) = @_;
2819
2820 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2821
2822 if (ref $msg) {
2823 my ($type, $reply, @payload) =
2824 "ARRAY" eq ref $msg
2825 ? @$msg
2826 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2827
2828 my @reply;
2829
2830 if (my $cb = $EXTICMD{$type}) {
2831 @reply = $cb->($ns, @payload);
2832 }
2833
2834 $ns->ext_reply ($reply, @reply)
2835 if $reply;
2836
2837 } else {
2838 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2839 }
2840
2841 cf::override;
2842 },
2086); 2843);
2087 2844
2088=item $client->async (\&cb) 2845=item $client->async (\&cb)
2089 2846
2090Create a new coroutine, running the specified callback. The coroutine will 2847Create a new coroutine, running the specified callback. The coroutine will
… …
2131our $safe = new Safe "safe"; 2888our $safe = new Safe "safe";
2132our $safe_hole = new Safe::Hole; 2889our $safe_hole = new Safe::Hole;
2133 2890
2134$SIG{FPE} = 'IGNORE'; 2891$SIG{FPE} = 'IGNORE';
2135 2892
2136$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2893$safe->permit_only (Opcode::opset qw(
2894 :base_core :base_mem :base_orig :base_math
2895 grepstart grepwhile mapstart mapwhile
2896 sort time
2897));
2137 2898
2138# here we export the classes and methods available to script code 2899# here we export the classes and methods available to script code
2139 2900
2140=pod 2901=pod
2141 2902
2142The following functions and methods are available within a safe environment: 2903The following functions and methods are available within a safe environment:
2143 2904
2144 cf::object contr pay_amount pay_player map 2905 cf::object
2906 contr pay_amount pay_player map x y force_find force_add destroy
2907 insert remove name archname title slaying race decrease_ob_nr
2908
2145 cf::object::player player 2909 cf::object::player
2146 cf::player peaceful 2910 player
2147 cf::map trigger 2911
2912 cf::player
2913 peaceful
2914
2915 cf::map
2916 trigger
2148 2917
2149=cut 2918=cut
2150 2919
2151for ( 2920for (
2152 ["cf::object" => qw(contr pay_amount pay_player map)], 2921 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2922 insert remove inv name archname title slaying race
2923 decrease_ob_nr destroy)],
2153 ["cf::object::player" => qw(player)], 2924 ["cf::object::player" => qw(player)],
2154 ["cf::player" => qw(peaceful)], 2925 ["cf::player" => qw(peaceful)],
2155 ["cf::map" => qw(trigger)], 2926 ["cf::map" => qw(trigger)],
2156) { 2927) {
2157 no strict 'refs'; 2928 no strict 'refs';
… …
2228=back 2999=back
2229 3000
2230=cut 3001=cut
2231 3002
2232############################################################################# 3003#############################################################################
2233
2234=head2 EXTENSION DATABASE SUPPORT
2235
2236Crossfire maintains a very simple database for extension use. It can
2237currently store anything that can be serialised using Storable, which
2238excludes objects.
2239
2240The parameter C<$family> should best start with the name of the extension
2241using it, it should be unique.
2242
2243=over 4
2244
2245=item $value = cf::db_get $family => $key
2246
2247Returns a single value from the database.
2248
2249=item cf::db_put $family => $key => $value
2250
2251Stores the given C<$value> in the family.
2252
2253=cut
2254
2255our $DB;
2256
2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2276
2277 cf::db_put (board => data => $pst->{board});
2278 cf::db_put (guildrules => data => $pst->{guildrules});
2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282 unlink $path;
2283 };
2284 }
2285 }
2286}
2287
2288sub db_get($$) {
2289 my $key = "$_[0]/$_[1]";
2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2299sub db_put($$$) {
2300 BDB::dbreq_pri 4;
2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions 3004# the server's init and main functions
2306 3005
2307sub load_facedata { 3006sub load_facedata($) {
2308 my $path = sprintf "%s/facedata", cf::datadir; 3007 my ($path) = @_;
3008
3009 # HACK to clear player env face cache, we need some signal framework
3010 # for this (global event?)
3011 %ext::player_env::MUSIC_FACE_CACHE = ();
3012
3013 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309 3014
2310 warn "loading facedata from $path\n"; 3015 warn "loading facedata from $path\n";
2311 3016
2312 my $faces; 3017 my $facedata;
2313 0 < aio_load $path, $faces 3018 0 < aio_load $path, $facedata
2314 or die "$path: $!"; 3019 or die "$path: $!";
2315 3020
2316 Coro::cede;
2317 $faces = Storable::thaw $faces; 3021 $facedata = Coro::Storable::thaw $facedata;
2318 Coro::cede;
2319 3022
2320 my $meta = delete $faces->{""};
2321 $meta->{version} == 1 3023 $facedata->{version} == 2
2322 or cf::cleanup "$path: version mismatch, cannot proceed."; 3024 or cf::cleanup "$path: version mismatch, cannot proceed.";
2323 3025
3026 # patch in the exptable
3027 $facedata->{resource}{"res/exp_table"} = {
3028 type => FT_RSRC,
3029 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3030 };
3031 cf::cede_to_tick;
3032
3033 {
3034 my $faces = $facedata->{faceinfo};
3035
2324 while (my ($face, $info) = each %$faces) { 3036 while (my ($face, $info) = each %$faces) {
2325 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3037 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3038 cf::face::set_visibility $idx, $info->{visibility};
3039 cf::face::set_magicmap $idx, $info->{magicmap};
2327 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3040 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3041 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329 Coro::cede;
2330 }
2331 3042
3043 cf::cede_to_tick;
3044 }
3045
2332 while (my ($face, $info) = each %$faces) { 3046 while (my ($face, $info) = each %$faces) {
2333 next unless $info->{smooth}; 3047 next unless $info->{smooth};
2334 my $idx = cf::face::find $face 3048 my $idx = cf::face::find $face
2335 or next; 3049 or next;
2336 if (my $smooth = cf::face::find $info->{smooth}) { 3050 if (my $smooth = cf::face::find $info->{smooth}) {
2337 cf::face::set_smooth $idx, $smooth; 3051 cf::face::set_smooth $idx, $smooth;
3052 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338 } else { 3053 } else {
2339 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3054 warn "smooth face '$info->{smooth}' not found for face '$face'";
2340 } 3055 }
2341 Coro::cede; 3056
3057 cf::cede_to_tick;
3058 }
3059 }
3060
3061 {
3062 my $anims = $facedata->{animinfo};
3063
3064 while (my ($anim, $info) = each %$anims) {
3065 cf::anim::set $anim, $info->{frames}, $info->{facings};
3066 cf::cede_to_tick;
3067 }
3068
3069 cf::anim::invalidate_all; # d'oh
3070 }
3071
3072 {
3073 # TODO: for gcfclient pleasure, we should give resources
3074 # that gcfclient doesn't grok a >10000 face index.
3075 my $res = $facedata->{resource};
3076
3077 my $soundconf = delete $res->{"res/sound.conf"};
3078
3079 while (my ($name, $info) = each %$res) {
3080 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3081 my $data;
3082
3083 if ($info->{type} & 1) {
3084 # prepend meta info
3085
3086 my $meta = $enc->encode ({
3087 name => $name,
3088 %{ $info->{meta} || {} },
3089 });
3090
3091 $data = pack "(w/a*)*", $meta, $info->{data};
3092 } else {
3093 $data = $info->{data};
3094 }
3095
3096 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3097 cf::face::set_type $idx, $info->{type};
3098
3099 cf::cede_to_tick;
3100 }
3101
3102 if ($soundconf) {
3103 $soundconf = $enc->decode (delete $soundconf->{data});
3104
3105 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3106 my $sound = $soundconf->{compat}[$_]
3107 or next;
3108
3109 my $face = cf::face::find "sound/$sound->[1]";
3110 cf::sound::set $sound->[0] => $face;
3111 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3112 }
3113
3114 while (my ($k, $v) = each %{$soundconf->{event}}) {
3115 my $face = cf::face::find "sound/$v";
3116 cf::sound::set $k => $face;
3117 }
3118 }
2342 } 3119 }
2343 3120
2344 1 3121 1
2345} 3122}
2346 3123
3124register_exticmd fx_want => sub {
3125 my ($ns, $want) = @_;
3126
3127 while (my ($k, $v) = each %$want) {
3128 $ns->fx_want ($k, $v);
3129 }
3130};
3131
3132sub reload_regions {
3133 # HACK to clear player env face cache, we need some signal framework
3134 # for this (global event?)
3135 %ext::player_env::MUSIC_FACE_CACHE = ();
3136
3137 load_resource_file "$MAPDIR/regions"
3138 or die "unable to load regions file\n";
3139
3140 for (cf::region::list) {
3141 $_->{match} = qr/$_->{match}/
3142 if exists $_->{match};
3143 }
3144}
3145
3146sub reload_facedata {
3147 load_facedata "$DATADIR/facedata"
3148 or die "unable to load facedata\n";
3149}
3150
3151sub reload_archetypes {
3152 load_resource_file "$DATADIR/archetypes"
3153 or die "unable to load archetypes\n";
3154 #d# NEED to laod twice to resolve forward references
3155 # this really needs to be done in an extra post-pass
3156 # (which needs to be synchronous, so solve it differently)
3157 load_resource_file "$DATADIR/archetypes"
3158 or die "unable to load archetypes\n";
3159}
3160
3161sub reload_treasures {
3162 load_resource_file "$DATADIR/treasures"
3163 or die "unable to load treasurelists\n";
3164}
3165
2347sub reload_resources { 3166sub reload_resources {
2348 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3167 warn "reloading resource files...\n";
2349 or die "unable to load regions file\n";#d# 3168
3169 reload_regions;
2350 load_facedata 3170 reload_facedata;
2351 or die "unable to load facedata\n";#d# 3171 #reload_archetypes;#d#
3172 reload_archetypes;
3173 reload_treasures;
3174
3175 warn "finished reloading resource files\n";
2352} 3176}
2353 3177
2354sub init { 3178sub init {
2355 reload_resources; 3179 reload_resources;
2356} 3180}
2357 3181
2358sub cfg_load { 3182sub reload_config {
2359 open my $fh, "<:utf8", cf::confdir . "/config" 3183 open my $fh, "<:utf8", "$CONFDIR/config"
2360 or return; 3184 or return;
2361 3185
2362 local $/; 3186 local $/;
2363 *CFG = YAML::Syck::Load <$fh>; 3187 *CFG = YAML::Syck::Load <$fh>;
2364 3188
… …
2379sub main { 3203sub main {
2380 # we must not ever block the main coroutine 3204 # we must not ever block the main coroutine
2381 local $Coro::idle = sub { 3205 local $Coro::idle = sub {
2382 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3206 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383 (async { 3207 (async {
3208 $Coro::current->{desc} = "IDLE BUG HANDLER";
2384 Event::one_event; 3209 Event::one_event;
2385 })->prio (Coro::PRIO_MAX); 3210 })->prio (Coro::PRIO_MAX);
2386 }; 3211 };
2387 3212
2388 cfg_load; 3213 reload_config;
2389 db_init; 3214 db_init;
2390 load_extensions; 3215 load_extensions;
2391 3216
2392 $TICK_WATCHER->start; 3217 $TICK_WATCHER->start;
2393 Event::loop; 3218 Event::loop;
… …
2409 }, 3234 },
2410 ); 3235 );
2411 } 3236 }
2412} 3237}
2413 3238
3239sub write_runtime {
3240 my $runtime = "$LOCALDIR/runtime";
3241
3242 # first touch the runtime file to show we are still running:
3243 # the fsync below can take a very very long time.
3244
3245 IO::AIO::aio_utime $runtime, undef, undef;
3246
3247 my $guard = cf::lock_acquire "write_runtime";
3248
3249 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3250 or return;
3251
3252 my $value = $cf::RUNTIME + 90 + 10;
3253 # 10 is the runtime save interval, for a monotonic clock
3254 # 60 allows for the watchdog to kill the server.
3255
3256 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3257 and return;
3258
3259 # always fsync - this file is important
3260 aio_fsync $fh
3261 and return;
3262
3263 # touch it again to show we are up-to-date
3264 aio_utime $fh, undef, undef;
3265
3266 close $fh
3267 or return;
3268
3269 aio_rename "$runtime~", $runtime
3270 and return;
3271
3272 warn "runtime file written.\n";
3273
3274 1
3275}
3276
2414sub emergency_save() { 3277sub emergency_save() {
2415 my $freeze_guard = cf::freeze_mainloop; 3278 my $freeze_guard = cf::freeze_mainloop;
2416 3279
2417 warn "enter emergency perl save\n"; 3280 warn "enter emergency perl save\n";
2418 3281
… …
2422 # and maps saved/destroyed asynchronously. 3285 # and maps saved/destroyed asynchronously.
2423 warn "begin emergency player save\n"; 3286 warn "begin emergency player save\n";
2424 for my $login (keys %cf::PLAYER) { 3287 for my $login (keys %cf::PLAYER) {
2425 my $pl = $cf::PLAYER{$login} or next; 3288 my $pl = $cf::PLAYER{$login} or next;
2426 $pl->valid or next; 3289 $pl->valid or next;
3290 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427 $pl->save; 3291 $pl->save;
2428 } 3292 }
2429 warn "end emergency player save\n"; 3293 warn "end emergency player save\n";
2430 3294
2431 warn "begin emergency map save\n"; 3295 warn "begin emergency map save\n";
… …
2449 3313
2450 warn Carp::longmess "post_cleanup backtrace" 3314 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core; 3315 if $make_core;
2452} 3316}
2453 3317
2454sub reload() { 3318sub do_reload_perl() {
2455 # can/must only be called in main 3319 # can/must only be called in main
2456 if ($Coro::current != $Coro::main) { 3320 if ($Coro::current != $Coro::main) {
2457 warn "can only reload from main coroutine"; 3321 warn "can only reload from main coroutine";
2458 return; 3322 return;
2459 } 3323 }
… …
2493 %EXT_CORO = (); 3357 %EXT_CORO = ();
2494 3358
2495 warn "removing commands"; 3359 warn "removing commands";
2496 %COMMAND = (); 3360 %COMMAND = ();
2497 3361
2498 warn "removing ext commands"; 3362 warn "removing ext/exti commands";
2499 %EXTCMD = (); 3363 %EXTCMD = ();
3364 %EXTICMD = ();
2500 3365
2501 warn "unloading/nuking all extensions"; 3366 warn "unloading/nuking all extensions";
2502 for my $pkg (@EXTS) { 3367 for my $pkg (@EXTS) {
2503 warn "... unloading $pkg"; 3368 warn "... unloading $pkg";
2504 3369
… …
2534 Symbol::delete_package "safe::$_" 3399 Symbol::delete_package "safe::$_"
2535 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3400 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536 3401
2537 warn "unloading cf.pm \"a bit\""; 3402 warn "unloading cf.pm \"a bit\"";
2538 delete $INC{"cf.pm"}; 3403 delete $INC{"cf.pm"};
3404 delete $INC{"cf/pod.pm"};
2539 3405
2540 # don't, removes xs symbols, too, 3406 # don't, removes xs symbols, too,
2541 # and global variables created in xs 3407 # and global variables created in xs
2542 #Symbol::delete_package __PACKAGE__; 3408 #Symbol::delete_package __PACKAGE__;
2543 3409
… …
2546 warn "reloading cf.pm"; 3412 warn "reloading cf.pm";
2547 require cf; 3413 require cf;
2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3414 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549 3415
2550 warn "loading config and database again"; 3416 warn "loading config and database again";
2551 cf::cfg_load; 3417 cf::reload_config;
2552 3418
2553 warn "loading extensions"; 3419 warn "loading extensions";
2554 cf::load_extensions; 3420 cf::load_extensions;
2555 3421
2556 warn "reattaching attachments to objects/players"; 3422 warn "reattaching attachments to objects/players";
… …
2558 warn "reattaching attachments to maps"; 3424 warn "reattaching attachments to maps";
2559 reattach $_ for values %MAP; 3425 reattach $_ for values %MAP;
2560 warn "reattaching attachments to players"; 3426 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER; 3427 reattach $_ for values %PLAYER;
2562 3428
2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job"; 3429 warn "leaving sync_job";
2567 3430
2568 1 3431 1
2569 } or do { 3432 } or do {
2570 warn $@; 3433 warn $@;
… …
2575 warn "reloaded"; 3438 warn "reloaded";
2576}; 3439};
2577 3440
2578our $RELOAD_WATCHER; # used only during reload 3441our $RELOAD_WATCHER; # used only during reload
2579 3442
3443sub reload_perl() {
3444 # doing reload synchronously and two reloads happen back-to-back,
3445 # coro crashes during coro_state_free->destroy here.
3446
3447 $RELOAD_WATCHER ||= Event->timer (
3448 reentrant => 0,
3449 after => 0,
3450 data => WF_AUTOCANCEL,
3451 cb => sub {
3452 do_reload_perl;
3453 undef $RELOAD_WATCHER;
3454 },
3455 );
3456}
3457
2580register_command "reload" => sub { 3458register_command "reload" => sub {
2581 my ($who, $arg) = @_; 3459 my ($who, $arg) = @_;
2582 3460
2583 if ($who->flag (FLAG_WIZ)) { 3461 if ($who->flag (FLAG_WIZ)) {
2584 $who->message ("reloading server."); 3462 $who->message ("reloading server.");
2585 3463 async {
2586 # doing reload synchronously and two reloads happen back-to-back, 3464 $Coro::current->{desc} = "perl_reload";
2587 # coro crashes during coro_state_free->destroy here.
2588
2589 $RELOAD_WATCHER ||= Event->timer (
2590 reentrant => 0,
2591 after => 0,
2592 data => WF_AUTOCANCEL,
2593 cb => sub {
2594 reload; 3465 reload_perl;
2595 undef $RELOAD_WATCHER;
2596 },
2597 ); 3466 };
2598 } 3467 }
2599}; 3468};
2600 3469
2601unshift @INC, $LIBDIR; 3470unshift @INC, $LIBDIR;
2602 3471
2603my $bug_warning = 0; 3472my $bug_warning = 0;
3473
3474our @WAIT_FOR_TICK;
3475our @WAIT_FOR_TICK_BEGIN;
3476
3477sub wait_for_tick {
3478 return unless $TICK_WATCHER->is_active;
3479 return if $Coro::current == $Coro::main;
3480
3481 my $signal = new Coro::Signal;
3482 push @WAIT_FOR_TICK, $signal;
3483 $signal->wait;
3484}
3485
3486sub wait_for_tick_begin {
3487 return unless $TICK_WATCHER->is_active;
3488 return if $Coro::current == $Coro::main;
3489
3490 my $signal = new Coro::Signal;
3491 push @WAIT_FOR_TICK_BEGIN, $signal;
3492 $signal->wait;
3493}
2604 3494
2605$TICK_WATCHER = Event->timer ( 3495$TICK_WATCHER = Event->timer (
2606 reentrant => 0, 3496 reentrant => 0,
2607 parked => 1, 3497 parked => 1,
2608 prio => 0, 3498 prio => 0,
… …
2613 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3503 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614 unless ++$bug_warning > 10; 3504 unless ++$bug_warning > 10;
2615 return; 3505 return;
2616 } 3506 }
2617 3507
2618 $NOW = Event::time; 3508 $NOW = $tick_start = Event::time;
2619 3509
2620 cf::server_tick; # one server iteration 3510 cf::server_tick; # one server iteration
3511
2621 $RUNTIME += $TICK; 3512 $RUNTIME += $TICK;
2622 $NEXT_TICK += $TICK; 3513 $NEXT_TICK += $TICK;
2623 3514
2624 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3515 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625 $NEXT_RUNTIME_WRITE = $NOW + 10; 3516 $NEXT_RUNTIME_WRITE = $NOW + 10;
2626 Coro::async_pool { 3517 Coro::async_pool {
3518 $Coro::current->{desc} = "runtime saver";
2627 write_runtime 3519 write_runtime
2628 or warn "ERROR: unable to write runtime file: $!"; 3520 or warn "ERROR: unable to write runtime file: $!";
2629 }; 3521 };
2630 } 3522 }
2631 3523
2632 $WAIT_FOR_TICK->broadcast; 3524 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3525 $sig->send;
3526 }
3527 while (my $sig = shift @WAIT_FOR_TICK) {
3528 $sig->send;
3529 }
2634 3530
2635# my $AFTER = Event::time; 3531 $NOW = Event::time;
2636# warn $AFTER - $NOW;#d#
2637 3532
2638 # if we are delayed by four ticks or more, skip them all 3533 # if we are delayed by four ticks or more, skip them all
2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3534 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2640 3535
2641 $TICK_WATCHER->at ($NEXT_TICK); 3536 $TICK_WATCHER->at ($NEXT_TICK);
2642 $TICK_WATCHER->start; 3537 $TICK_WATCHER->start;
3538
3539 $LOAD = ($NOW - $tick_start) / $TICK;
3540 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3541
3542 _post_tick;
2643 }, 3543 },
2644); 3544);
2645 3545
2646{ 3546{
3547 BDB::min_parallel 8;
2647 BDB::max_poll_time $TICK * 0.1; 3548 BDB::max_poll_time $TICK * 0.1;
2648 $BDB_POLL_WATCHER = Event->io ( 3549 $BDB_POLL_WATCHER = Event->io (
2649 reentrant => 0, 3550 reentrant => 0,
2650 fd => BDB::poll_fileno, 3551 fd => BDB::poll_fileno,
2651 poll => 'r', 3552 poll => 'r',
2652 prio => 0, 3553 prio => 0,
2653 data => WF_AUTOCANCEL, 3554 data => WF_AUTOCANCEL,
2654 cb => \&BDB::poll_cb, 3555 cb => \&BDB::poll_cb,
2655 ); 3556 );
2656 BDB::min_parallel 8;
2657 3557
2658 BDB::set_sync_prepare { 3558 BDB::set_sync_prepare {
2659 my $status; 3559 my $status;
2660 my $current = $Coro::current; 3560 my $current = $Coro::current;
2661 ( 3561 (
… …
2670 ) 3570 )
2671 }; 3571 };
2672 3572
2673 unless ($DB_ENV) { 3573 unless ($DB_ENV) {
2674 $DB_ENV = BDB::db_env_create; 3574 $DB_ENV = BDB::db_env_create;
3575 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3576 | BDB::LOG_AUTOREMOVE, 1);
3577 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3578 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675 3579
2676 cf::sync_job { 3580 cf::sync_job {
2677 eval { 3581 eval {
2678 BDB::db_env_open 3582 BDB::db_env_open
2679 $DB_ENV, 3583 $DB_ENV,
2680 $BDB_ENV_DIR, 3584 $BDBDIR,
2681 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3585 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3586 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683 0666; 3587 0666;
2684 3588
2685 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3589 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688 $DB_ENV->set_lk_detect;
2689 }; 3590 };
2690 3591
2691 cf::cleanup "db_env_open(db): $@" if $@; 3592 cf::cleanup "db_env_open(db): $@" if $@;
2692 }; 3593 };
2693 } 3594 }
3595
3596 $BDB_DEADLOCK_WATCHER = Event->timer (
3597 after => 3,
3598 interval => 1,
3599 hard => 1,
3600 prio => 0,
3601 data => WF_AUTOCANCEL,
3602 cb => sub {
3603 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3604 },
3605 );
3606 $BDB_CHECKPOINT_WATCHER = Event->timer (
3607 after => 11,
3608 interval => 60,
3609 hard => 1,
3610 prio => 0,
3611 data => WF_AUTOCANCEL,
3612 cb => sub {
3613 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3614 },
3615 );
3616 $BDB_TRICKLE_WATCHER = Event->timer (
3617 after => 5,
3618 interval => 10,
3619 hard => 1,
3620 prio => 0,
3621 data => WF_AUTOCANCEL,
3622 cb => sub {
3623 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3624 },
3625 );
2694} 3626}
2695 3627
2696{ 3628{
2697 IO::AIO::min_parallel 8; 3629 IO::AIO::min_parallel 8;
2698 3630
… …
2701 $AIO_POLL_WATCHER = Event->io ( 3633 $AIO_POLL_WATCHER = Event->io (
2702 reentrant => 0, 3634 reentrant => 0,
2703 data => WF_AUTOCANCEL, 3635 data => WF_AUTOCANCEL,
2704 fd => IO::AIO::poll_fileno, 3636 fd => IO::AIO::poll_fileno,
2705 poll => 'r', 3637 poll => 'r',
2706 prio => 6, 3638 prio => 0,
2707 cb => \&IO::AIO::poll_cb, 3639 cb => \&IO::AIO::poll_cb,
2708 ); 3640 );
2709} 3641}
2710 3642
3643my $_log_backtrace;
3644
3645sub _log_backtrace {
3646 my ($msg, @addr) = @_;
3647
3648 $msg =~ s/\n//;
3649
3650 # limit the # of concurrent backtraces
3651 if ($_log_backtrace < 2) {
3652 ++$_log_backtrace;
3653 async {
3654 $Coro::current->{desc} = "abt $msg";
3655
3656 my @bt = fork_call {
3657 @addr = map { sprintf "%x", $_ } @addr;
3658 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3659 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3660 or die "addr2line: $!";
3661
3662 my @funcs;
3663 my @res = <$fh>;
3664 chomp for @res;
3665 while (@res) {
3666 my ($func, $line) = splice @res, 0, 2, ();
3667 push @funcs, "[$func] $line";
3668 }
3669
3670 @funcs
3671 };
3672
3673 LOG llevInfo, "[ABT] $msg\n";
3674 LOG llevInfo, "[ABT] $_\n" for @bt;
3675 --$_log_backtrace;
3676 };
3677 } else {
3678 LOG llevInfo, "[ABT] $msg\n";
3679 LOG llevInfo, "[ABT] [suppressed]\n";
3680 }
3681}
3682
3683# load additional modules
3684use cf::pod;
3685
2711END { cf::emergency_save } 3686END { cf::emergency_save }
2712 3687
27131 36881
2714 3689

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