ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.380 by root, Mon Oct 8 13:58:07 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 4.1 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
27use BDB ();
28use Data::Dumper;
20use Digest::MD5; 29use Digest::MD5;
21use Fcntl; 30use Fcntl;
22use IO::AIO 2.32 ();
23use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.51 ();
24use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
25 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
27 44
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
30 47
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 49
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 51
35our %COMMAND = (); 52our %COMMAND = ();
36our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
54
55our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps
38 60
61our $RELOAD; # number of reloads so far
39our @EVENT; 62our @EVENT;
40our $LIBDIR = datadir . "/ext";
41 63
42our $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(!)
43our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 80our $NEXT_TICK;
45our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
88our $DB_ENV;
46 89
47our %CFG; 90our %CFG;
48 91
49our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 93our $RUNTIME;
51 94
52our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
53our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
54our $LINK_MAP; # the special {link} map 97our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 98
56our %EXT_CORO; # coroutines bound to extensions 99# used to convert map paths into valid unix filenames by replacing / by ∕
100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
57 105
58binmode STDOUT; 106binmode STDOUT;
59binmode STDERR; 107binmode STDERR;
60 108
61# read virtual server time, if available 109# read virtual server time, if available
62unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
64 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
65 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
66} 114}
67 115
68mkdir cf::localdir; 116mkdir $_
69mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS;
73 118
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
120
121sub cf::map::normalise;
77 122
78############################################################################# 123#############################################################################
79 124
80=head2 GLOBAL VARIABLES 125=head2 GLOBAL VARIABLES
81 126
… …
88=item $cf::RUNTIME 133=item $cf::RUNTIME
89 134
90The 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
91every server tick. 136every server tick.
92 137
93=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
94 141
95The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
96be 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.
97 146
98=item $cf::NOW 147=item $cf::NOW
99 148
100The time of the last (current) server tick. 149The time of the last (current) server tick.
101 150
102=item $cf::TICK 151=item $cf::TICK
103 152
104The 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.
105 164
106=item %cf::CFG 165=item %cf::CFG
107 166
108Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 168from wherever your confdir points to.
169
170=item cf::wait_for_tick, cf::wait_for_tick_begin
171
172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173returns directly I<after> the tick processing (and consequently, can only wake one process
174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
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.
110 181
111=back 182=back
112 183
113=cut 184=cut
114 185
115BEGIN { 186BEGIN {
116 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
117 my $msg = join "", @_; 188 my $msg = join "", @_;
118 utf8::encode $msg;
119 189
120 $msg .= "\n" 190 $msg .= "\n"
121 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
122 194
123 LOG llevError, $msg; 195 LOG llevError, $msg;
124 }; 196 };
125} 197}
126 198
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131@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';
132@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)
133 206
134# 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
135# within the Safe compartment. 208# within the Safe compartment.
136for my $pkg (qw( 209for my $pkg (qw(
137 cf::global cf::attachable 210 cf::global cf::attachable
… …
146 219
147$Event::DIED = sub { 220$Event::DIED = sub {
148 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
149}; 222};
150 223
151my %ext_pkg; 224#############################################################################
152my @exts;
153my @hook;
154 225
155=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
156 227
157=over 4 228=over 4
158 229
159=cut 230=item dumpval $ref
160 231
161use JSON::Syck (); # TODO# replace by JSON::PC once working 232=cut
233
234sub dumpval {
235 eval {
236 local $SIG{__DIE__};
237 my $d;
238 if (1) {
239 $d = new Data::Dumper([$_[0]], ["*var"]);
240 $d->Terse(1);
241 $d->Indent(2);
242 $d->Quotekeys(0);
243 $d->Useqq(1);
244 #$d->Bless(...);
245 $d->Seen($_[1]) if @_ > 1;
246 $d = $d->Dump();
247 }
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d
250 } || "[unable to dump $_[0]: '$@']";
251}
162 252
163=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
164 254
165Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
166 256
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
175 258
176Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
177 260
178=cut 261=cut
179 262
180sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
182 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
183} 266sub from_json ($) { $json_coder->decode ($_[0]) }
184 267
185=item cf::lock_wait $string 268=item cf::lock_wait $string
186 269
187Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
188 271
… …
191Wait 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
192a 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,
193for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
194returned. 277returned.
195 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
196Lock 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
197uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
198 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
199=cut 289=cut
200 290
201our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
202 293
203sub lock_wait($) { 294sub lock_wait($) {
204 my ($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#
205 301
206 # wait for lock, if any 302 # wait for lock, if any
207 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
208 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
209 Coro::schedule; 305 Coro::schedule;
… …
215 311
216 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
217 lock_wait $key; 313 lock_wait $key;
218 314
219 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
220 317
221 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
222 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
223 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
224 } 322 }
225} 323}
226 324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
329}
330
227sub freeze_mainloop { 331sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
229 333
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 334 my $guard = Coro::guard {
335 $TICK_WATCHER->start;
336 };
231 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
232 $guard 338 $guard
339}
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;
233} 397}
234 398
235=item cf::async { BLOCK } 399=item cf::async { BLOCK }
236 400
237Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
… …
242 406
243BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
244 408
245=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
246 410
247The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
249reentrant. 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.
250 415
251If 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
252the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
253server 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
254fast or be very important. 419fast or be very important.
… …
257 422
258sub sync_job(&) { 423sub sync_job(&) {
259 my ($job) = @_; 424 my ($job) = @_;
260 425
261 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
262 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
263 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
264 431
432 LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
433
265 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
266 # (but this is cancel-safe) 435 # (but this is cancel-safe)
267 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
268 437
269 my $busy = 1; 438 my $busy = 1;
270 my @res; 439 my @res;
271 440
272 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
273 @res = eval { $job->() }; 443 @res = eval { $job->() };
274 warn $@ if $@; 444 warn $@ if $@;
275 undef $busy; 445 undef $busy;
276 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
277 447
278 while ($busy) { 448 while ($busy) {
279 Coro::cede or Event::one_event; 449 Coro::cede or Event::one_event;
280 } 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
281 458
282 wantarray ? @res : $res[0] 459 wantarray ? @res : $res[0]
283 } else { 460 } else {
284 # we are in another coroutine, how wonderful, everything just works 461 # we are in another coroutine, how wonderful, everything just works
285 462
… …
287 } 464 }
288} 465}
289 466
290=item $coro = cf::async_ext { BLOCK } 467=item $coro = cf::async_ext { BLOCK }
291 468
292Like async, but this coro is automcatially being canceled when the 469Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 470extension calling this is being unloaded.
294 471
295=cut 472=cut
296 473
297sub async_ext(&) { 474sub async_ext(&) {
… …
305 $EXT_CORO{$coro+0} = $coro; 482 $EXT_CORO{$coro+0} = $coro;
306 483
307 $coro 484 $coro
308} 485}
309 486
310sub write_runtime { 487=item fork_call { }, $args
311 my $runtime = cf::localdir . "/runtime";
312 488
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 489Executes the given code block with the given arguments in a seperate
314 or return; 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.
315 493
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 494=cut
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return;
319 495
320 aio_fsync $fh 496sub fork_call(&@) {
321 and return; 497 my ($cb, @args) = @_;
322 498
323 close $fh 499 # we seemingly have to make a local copy of the whole thing,
324 or return; 500 # otherwise perl prematurely frees the stuff :/
501 # TODO: investigate and fix (likely this will be rather laborious)
325 502
326 aio_rename "$runtime~", $runtime 503 my @res = Coro::Util::fork_eval {
327 and return; 504 reset_signals;
505 &$cb
506 }, @args;
328 507
508 wantarray ? @res : $res[-1]
509}
510
511=item $value = cf::db_get $family => $key
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
329 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"
636}
637
638=item cf::datalog type => key => value, ...
639
640Log a datalog packet of the given type with the given key-value pairs.
641
642=cut
643
644sub datalog($@) {
645 my ($type, %kv) = @_;
646 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330} 647}
331 648
332=back 649=back
333 650
334=cut 651=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 652
456############################################################################# 653#############################################################################
457 654
458=head2 ATTACHABLE OBJECTS 655=head2 ATTACHABLE OBJECTS
459 656
… …
461attach callbacks/event handlers (a collection of which is called an "attachment") 658attach callbacks/event handlers (a collection of which is called an "attachment")
462to it. All such attachable objects support the following methods. 659to it. All such attachable objects support the following methods.
463 660
464In 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>
465C<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
466crossfire+). 663Crossfire TRT).
467 664
468=over 4 665=over 4
469 666
470=item $attachable->attach ($attachment, key => $value...) 667=item $attachable->attach ($attachment, key => $value...)
471 668
… …
585our @CB_TYPE = (); # registry for type (cf-object class) based events 782our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 783our @CB_MAP = ();
587 784
588my %attachment; 785my %attachment;
589 786
787sub cf::attachable::thawer_merge {
788 # simply override everything except _meta
789 local $_[0]{_meta};
790 %{$_[0]} = %{$_[1]};
791}
792
590sub _attach_cb($$$$) { 793sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 794 my ($registry, $event, $prio, $cb) = @_;
592 795
593 use sort 'stable'; 796 use sort 'stable';
594 797
… …
628 $registry = $CB_TYPE[$object_type] ||= []; 831 $registry = $CB_TYPE[$object_type] ||= [];
629 832
630 } elsif ($type eq "subtype") { 833 } elsif ($type eq "subtype") {
631 defined $object_type or Carp::croak "subtype specified without type"; 834 defined $object_type or Carp::croak "subtype specified without type";
632 my $object_subtype = shift @arg; 835 my $object_subtype = shift @arg;
633 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 836 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634 837
635 } elsif ($type eq "package") { 838 } elsif ($type eq "package") {
636 my $pkg = shift @arg; 839 my $pkg = shift @arg;
637 840
638 while (my ($name, $id) = each %cb_id) { 841 while (my ($name, $id) = each %cb_id) {
… …
667 _attach $registry, $klass, @attach; 870 _attach $registry, $klass, @attach;
668 } 871 }
669 872
670 $obj->{$name} = \%arg; 873 $obj->{$name} = \%arg;
671 } else { 874 } else {
672 warn "object uses attachment '$name' that is not available, postponing.\n"; 875 warn "object uses attachment '$name' which is not available, postponing.\n";
673 } 876 }
674 877
675 $obj->{_attachment}{$name} = undef; 878 $obj->{_attachment}{$name} = undef;
676} 879}
677 880
… …
679 if (ref $_[0]) { 882 if (ref $_[0]) {
680 _object_attach @_; 883 _object_attach @_;
681 } else { 884 } else {
682 _attach shift->_attach_registry, @_; 885 _attach shift->_attach_registry, @_;
683 } 886 }
887 _recalc_want;
684}; 888};
685 889
686# all those should be optimised 890# all those should be optimised
687sub cf::attachable::detach { 891sub cf::attachable::detach {
688 my ($obj, $name) = @_; 892 my ($obj, $name) = @_;
… …
691 delete $obj->{_attachment}{$name}; 895 delete $obj->{_attachment}{$name};
692 reattach ($obj); 896 reattach ($obj);
693 } else { 897 } else {
694 Carp::croak "cannot, currently, detach class attachments"; 898 Carp::croak "cannot, currently, detach class attachments";
695 } 899 }
900 _recalc_want;
696}; 901};
697 902
698sub cf::attachable::attached { 903sub cf::attachable::attached {
699 my ($obj, $name) = @_; 904 my ($obj, $name) = @_;
700 905
… …
715 "; 920 ";
716 die if $@; 921 die if $@;
717} 922}
718 923
719our $override; 924our $override;
720our @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?
721 926
722sub override { 927sub override {
723 $override = 1; 928 $override = 1;
724 @invoke_results = (); 929 @INVOKE_RESULTS = (@_);
725} 930}
726 931
727sub do_invoke { 932sub do_invoke {
728 my $event = shift; 933 my $event = shift;
729 my $callbacks = shift; 934 my $callbacks = shift;
730 935
731 @invoke_results = (); 936 @INVOKE_RESULTS = ();
732 937
733 local $override; 938 local $override;
734 939
735 for (@$callbacks) { 940 for (@$callbacks) {
736 eval { &{$_->[1]} }; 941 eval { &{$_->[1]} };
… …
753 958
754Generate an object-specific event with the given arguments. 959Generate an object-specific event with the given arguments.
755 960
756This 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
757removed 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
758results (if you must, access C<@cf::invoke_results> directly). 963results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 964
760=back 965=back
761 966
762=cut 967=cut
763 968
764############################################################################# 969#############################################################################
765# object support 970# object support
971#
972
973sub _can_merge {
974 my ($ob1, $ob2) = @_;
975
976 local $Storable::canonical = 1;
977 my $fob1 = Storable::freeze $ob1;
978 my $fob2 = Storable::freeze $ob2;
979
980 $fob1 eq $fob2
981}
766 982
767sub reattach { 983sub reattach {
768 # basically do the same as instantiate, without calling instantiate 984 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 985 my ($obj) = @_;
986
987 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 988
771 my $registry = $obj->registry; 989 my $registry = $obj->registry;
772 990
773 @$registry = (); 991 @$registry = ();
774 992
… …
815sub object_freezer_save { 1033sub object_freezer_save {
816 my ($filename, $rdata, $objs) = @_; 1034 my ($filename, $rdata, $objs) = @_;
817 1035
818 sync_job { 1036 sync_job {
819 if (length $$rdata) { 1037 if (length $$rdata) {
1038 utf8::decode (my $decname = $filename);
820 warn sprintf "saving %s (%d,%d)\n", 1039 warn sprintf "saving %s (%d,%d)\n",
821 $filename, length $$rdata, scalar @$objs; 1040 $decname, length $$rdata, scalar @$objs;
822 1041
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1042 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 1043 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1044 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 1045 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 1046 close $fh;
828 1047
829 if (@$objs) { 1048 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1049 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 1050 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1051 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 1052 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 1053 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 1054 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 1055 aio_rename "$filename.pst~", "$filename.pst";
837 } 1056 }
838 } else { 1057 } else {
839 aio_unlink "$filename.pst"; 1058 aio_unlink "$filename.pst";
… …
845 } 1064 }
846 } else { 1065 } else {
847 aio_unlink $filename; 1066 aio_unlink $filename;
848 aio_unlink "$filename.pst"; 1067 aio_unlink "$filename.pst";
849 } 1068 }
850 } 1069 };
851} 1070}
852 1071
853sub object_freezer_as_string { 1072sub object_freezer_as_string {
854 my ($rdata, $objs) = @_; 1073 my ($rdata, $objs) = @_;
855 1074
… …
867 or return; 1086 or return;
868 1087
869 unless (aio_stat "$filename.pst") { 1088 unless (aio_stat "$filename.pst") {
870 (aio_load "$filename.pst", $av) >= 0 1089 (aio_load "$filename.pst", $av) >= 0
871 or return; 1090 or return;
872 $av = eval { (Storable::thaw $av)->{objs} };
873 }
874 1091
1092 my $st = eval { Coro::Storable::thaw $av }
1093 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094 $av = $st->{objs};
1095 }
1096
1097 utf8::decode (my $decname = $filename);
875 warn sprintf "loading %s (%d)\n", 1098 warn sprintf "loading %s (%d,%d)\n",
876 $filename, length $data, scalar @{$av || []};#d# 1099 $decname, length $data, scalar @{$av || []};
1100
877 return ($data, $av); 1101 ($data, $av)
878} 1102}
1103
1104=head2 COMMAND CALLBACKS
1105
1106=over 4
1107
1108=cut
879 1109
880############################################################################# 1110#############################################################################
881# command handling &c 1111# command handling &c
882 1112
883=item cf::register_command $name => \&callback($ob,$args); 1113=item cf::register_command $name => \&callback($ob,$args);
… …
896 push @{ $COMMAND{$name} }, [$caller, $cb]; 1126 push @{ $COMMAND{$name} }, [$caller, $cb];
897} 1127}
898 1128
899=item cf::register_extcmd $name => \&callback($pl,$packet); 1129=item cf::register_extcmd $name => \&callback($pl,$packet);
900 1130
901Register a callbackf ro execution when the client sends an extcmd packet. 1131Register a callback for execution when the client sends an (synchronous)
1132extcmd packet. Ext commands will be processed in the order they are
1133received by the server, like other user commands. The first argument is
1134the logged-in player. Ext commands can only be processed after a player
1135has logged in successfully.
902 1136
903If the callback returns something, it is sent back as if reply was being 1137If the callback returns something, it is sent back as if reply was being
904called. 1138called.
905 1139
1140=item cf::register_exticmd $name => \&callback($ns,$packet);
1141
1142Register a callback for execution when the client sends an (asynchronous)
1143exticmd packet. Exti commands are processed by the server as soon as they
1144are received, i.e. out of order w.r.t. other commands. The first argument
1145is a client socket. Exti commands can be received anytime, even before
1146log-in.
1147
1148If the callback returns something, it is sent back as if reply was being
1149called.
1150
906=cut 1151=cut
907 1152
908sub register_extcmd { 1153sub register_extcmd {
909 my ($name, $cb) = @_; 1154 my ($name, $cb) = @_;
910 1155
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 1156 $EXTCMD{$name} = $cb;
1157}
1158
1159sub register_exticmd {
1160 my ($name, $cb) = @_;
1161
1162 $EXTICMD{$name} = $cb;
915} 1163}
916 1164
917cf::player->attach ( 1165cf::player->attach (
918 on_command => sub { 1166 on_command => sub {
919 my ($pl, $name, $params) = @_; 1167 my ($pl, $name, $params) = @_;
… …
928 cf::override; 1176 cf::override;
929 }, 1177 },
930 on_extcmd => sub { 1178 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1179 my ($pl, $buf) = @_;
932 1180
933 my $msg = eval { from_json $buf }; 1181 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1182
935 if (ref $msg) { 1183 if (ref $msg) {
1184 my ($type, $reply, @payload) =
1185 "ARRAY" eq ref $msg
1186 ? @$msg
1187 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188
1189 my @reply;
1190
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1191 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 1192 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1193 }
1194
1195 $pl->ext_reply ($reply, @reply)
1196 if $reply;
1197
941 } else { 1198 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1199 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1200 }
944 1201
945 cf::override; 1202 cf::override;
946 }, 1203 },
947); 1204);
948 1205
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension {
956 my ($path) = @_;
957
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1;
960 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg";
963
964 warn "loading '$path' into '$pkg'\n";
965
966 open my $fh, "<:utf8", $path
967 or die "$path: $!";
968
969 my $source =
970 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> })
973 . "\n};\n1";
974
975 eval $source
976 or die $@ ? "$path: $@\n"
977 : "extension disabled.\n";
978
979 push @exts, $pkg;
980 $ext_pkg{$base} = $pkg;
981
982# no strict 'refs';
983# @{"$pkg\::ISA"} = ext::;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# }
998
999 # remove commands
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023}
1024
1025sub load_extensions { 1206sub load_extensions {
1207 cf::sync_job {
1208 my %todo;
1209
1026 for my $ext (<$LIBDIR/*.ext>) { 1210 for my $path (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 1211 next unless -r $path;
1028 eval { 1212
1029 load_extension $ext; 1213 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1214 my $base = $1;
1215 my $pkg = $1;
1216 $pkg =~ s/[^[:word:]]/_/g;
1217 $pkg = "ext::$pkg";
1218
1219 open my $fh, "<:utf8", $path
1220 or die "$path: $!";
1221
1222 my $source = do { local $/; <$fh> };
1223
1224 my %ext = (
1225 path => $path,
1226 base => $base,
1227 pkg => $pkg,
1228 );
1229
1230 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232
1233 $ext{source} =
1234 "package $pkg; use strict; use utf8;\n"
1235 . "#line 1 \"$path\"\n{\n"
1236 . $source
1237 . "\n};\n1";
1238
1239 $todo{$base} = \%ext;
1240 }
1241
1242 my %done;
1243 while (%todo) {
1244 my $progress;
1245
1246 while (my ($k, $v) = each %todo) {
1247 for (split /,\s*/, $v->{meta}{depends}) {
1248 goto skip
1249 unless exists $done{$_};
1250 }
1251
1252 warn "... loading '$k' into '$v->{pkg}'\n";
1253
1254 unless (eval $v->{source}) {
1255 my $msg = $@ ? "$v->{path}: $@\n"
1256 : "$v->{base}: extension inactive.\n";
1257
1258 if (exists $v->{meta}{mandatory}) {
1259 warn $msg;
1260 warn "mandatory extension failed to load, exiting.\n";
1261 exit 1;
1262 }
1263
1264 warn $msg;
1265 }
1266
1267 $done{$k} = delete $todo{$k};
1268 push @EXTS, $v->{pkg};
1269 $progress = 1;
1030 1 1270 }
1031 } or warn "$ext not loaded: $@"; 1271
1272 skip:
1273 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1274 unless $progress;
1275 }
1032 } 1276 };
1033} 1277}
1034 1278
1035############################################################################# 1279#############################################################################
1036# load/save/clean perl data associated with a map
1037 1280
1038*cf::mapsupport::on_clean = sub { 1281=back
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 1282
1073=head2 CORE EXTENSIONS 1283=head2 CORE EXTENSIONS
1074 1284
1075Functions and methods that extend core crossfire objects. 1285Functions and methods that extend core crossfire objects.
1076 1286
1077=cut 1287=cut
1078 1288
1079package cf::player; 1289package cf::player;
1080 1290
1291use Coro::AIO;
1292
1081=head3 cf::player 1293=head3 cf::player
1082 1294
1083=over 4 1295=over 4
1084 1296
1297=item cf::player::num_playing
1298
1299Returns the official number of playing players, as per the Crossfire metaserver rules.
1300
1301=cut
1302
1303sub num_playing {
1304 scalar grep
1305 $_->ob->map
1306 && !$_->hidden
1307 && !$_->ob->flag (cf::FLAG_WIZ),
1308 cf::player::list
1309}
1310
1085=item cf::player::find $login 1311=item cf::player::find $login
1086 1312
1087Returns the given player object, loading it if necessary (might block). 1313Returns the given player object, loading it if necessary (might block).
1088 1314
1089=cut 1315=cut
1090 1316
1091sub playerdir($) { 1317sub playerdir($) {
1092 cf::localdir 1318 "$PLAYERDIR/"
1093 . "/"
1094 . cf::playerdir
1095 . "/"
1096 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1319 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1097} 1320}
1098 1321
1099sub path($) { 1322sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1323 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101 1324
1102 (playerdir $login) . "/$login.pl" 1325 (playerdir $login) . "/playerdata"
1103} 1326}
1104 1327
1105sub find_active($) { 1328sub find_active($) {
1106 $cf::PLAYER{$_[0]} 1329 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active 1330 and $cf::PLAYER{$_[0]}->active
… …
1110 1333
1111sub exists($) { 1334sub exists($) {
1112 my ($login) = @_; 1335 my ($login) = @_;
1113 1336
1114 $cf::PLAYER{$login} 1337 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 1338 or cf::sync_job { !aio_stat path $login }
1116} 1339}
1117 1340
1118sub find($) { 1341sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 1342 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 1343 my $login = $_[0];
1121 1344
1122 my $guard = cf::lock_acquire "user_find:$login"; 1345 my $guard = cf::lock_acquire "user_find:$login";
1123 1346
1124 $cf::PLAYER{$_[0]} || do { 1347 $cf::PLAYER{$_[0]} || do {
1125 my $pl = load_pl path $login 1348 # rename old playerfiles to new ones
1349 #TODO: remove when no longer required
1350 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1351 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1352 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1353 aio_unlink +(playerdir $login) . "/$login.pl";
1354
1355 my $f = new_from_file cf::object::thawer path $login
1126 or return; 1356 or return;
1357
1358 my $pl = cf::player::load_pl $f
1359 or return;
1360 local $cf::PLAYER_LOADING{$login} = $pl;
1361 $f->resolve_delayed_derefs;
1127 $cf::PLAYER{$login} = $pl 1362 $cf::PLAYER{$login} = $pl
1128 } 1363 }
1129 } 1364 }
1130} 1365}
1131 1366
… …
1137 my $path = path $pl; 1372 my $path = path $pl;
1138 my $guard = cf::lock_acquire "user_save:$path"; 1373 my $guard = cf::lock_acquire "user_save:$path";
1139 1374
1140 return if $pl->{deny_save}; 1375 return if $pl->{deny_save};
1141 1376
1142 Coro::AIO::aio_mkdir playerdir $pl, 0770; 1377 aio_mkdir playerdir $pl, 0770;
1143 $pl->{last_save} = $cf::RUNTIME; 1378 $pl->{last_save} = $cf::RUNTIME;
1144 1379
1145 $pl->save_pl ($path); 1380 $pl->save_pl ($path);
1146 Coro::cede; 1381 cf::cede_to_tick;
1147} 1382}
1148 1383
1149sub new($) { 1384sub new($) {
1150 my ($login) = @_; 1385 my ($login) = @_;
1151 1386
… …
1157 $cf::PLAYER{$login} = $self; 1392 $cf::PLAYER{$login} = $self;
1158 1393
1159 $self 1394 $self
1160} 1395}
1161 1396
1397=item $player->send_msg ($channel, $msg, $color, [extra...])
1398
1399=cut
1400
1401sub send_msg {
1402 my $ns = shift->ns
1403 or return;
1404 $ns->send_msg (@_);
1405}
1406
1407=item $pl->quit_character
1408
1409Nukes the player without looking back. If logged in, the connection will
1410be destroyed. May block for a long time.
1411
1412=cut
1413
1162sub quit_character { 1414sub quit_character {
1163 my ($pl) = @_; 1415 my ($pl) = @_;
1416
1417 my $name = $pl->ob->name;
1164 1418
1165 $pl->{deny_save} = 1; 1419 $pl->{deny_save} = 1;
1166 $pl->password ("*"); # this should lock out the player until we nuked the dir 1420 $pl->password ("*"); # this should lock out the player until we nuked the dir
1167 1421
1168 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1422 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1170 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1424 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1171 $pl->ns->destroy if $pl->ns; 1425 $pl->ns->destroy if $pl->ns;
1172 1426
1173 my $path = playerdir $pl; 1427 my $path = playerdir $pl;
1174 my $temp = "$path~$cf::RUNTIME~deleting~"; 1428 my $temp = "$path~$cf::RUNTIME~deleting~";
1175 Coro::AIO::aio_rename $path, $temp; 1429 aio_rename $path, $temp;
1176 delete $cf::PLAYER{$pl->ob->name}; 1430 delete $cf::PLAYER{$pl->ob->name};
1177 $pl->destroy; 1431 $pl->destroy;
1432
1433 my $prefix = qr<^~\Q$name\E/>;
1434
1435 # nuke player maps
1436 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1437
1178 IO::AIO::aio_rmtree $temp; 1438 IO::AIO::aio_rmtree $temp;
1179} 1439}
1180 1440
1441=item $pl->kick
1442
1443Kicks a player out of the game. This destroys the connection.
1444
1445=cut
1446
1447sub kick {
1448 my ($pl, $kicker) = @_;
1449
1450 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1451 $pl->killer ("kicked");
1452 $pl->ns->destroy;
1453}
1454
1455=item cf::player::list_logins
1456
1457Returns am arrayref of all valid playernames in the system, can take a
1458while and may block, so not sync_job-capable, ever.
1459
1460=cut
1461
1462sub list_logins {
1463 my $dirs = aio_readdir $PLAYERDIR
1464 or return [];
1465
1466 my @logins;
1467
1468 for my $login (@$dirs) {
1469 my $path = path $login;
1470
1471 # a .pst is a dead give-away for a valid player
1472 unless (-e "$path.pst") {
1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474 aio_read $fh, 0, 512, my $buf, 0 or next;
1475 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 }
1477
1478 utf8::decode $login;
1479 push @logins, $login;
1480 }
1481
1482 \@logins
1483}
1484
1485=item $player->maps
1486
1487Returns an arrayref of map paths that are private for this
1488player. May block.
1489
1490=cut
1491
1492sub maps($) {
1493 my ($pl) = @_;
1494
1495 $pl = ref $pl ? $pl->ob->name : $pl;
1496
1497 my $files = aio_readdir playerdir $pl
1498 or return;
1499
1500 my @paths;
1501
1502 for (@$files) {
1503 utf8::decode $_;
1504 next if /\.(?:pl|pst)$/;
1505 next unless /^$PATH_SEP/o;
1506
1507 push @paths, cf::map::normalise "~$pl/$_";
1508 }
1509
1510 \@paths
1511}
1512
1513=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1514
1515Expand crossfire pod fragments into protocol xml.
1516
1517=cut
1518
1519sub expand_cfpod {
1520 ((my $self), (local $_)) = @_;
1521
1522 # escape & and <
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525
1526 # this is buggy, it needs to properly take care of nested <'s
1527
1528 1 while
1529 # replace B<>, I<>, U<> etc.
1530 s/B<([^\>]*)>/<b>$1<\/b>/
1531 || s/I<([^\>]*)>/<i>$1<\/i>/
1532 || s/U<([^\>]*)>/<u>$1<\/u>/
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534 # replace G<male|female> tags
1535 || s{G<([^>|]*)\|([^>]*)>}{
1536 $self->gender ? $2 : $1
1537 }ge
1538 # replace H<hint text>
1539 || s{H<([^\>]*)>}
1540 {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "")
1544 [$self->{hintmode}]
1545 }ge;
1546
1547 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g;
1549
1550 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines
1555
1556 $_
1557}
1558
1559sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode}
1562}
1563
1181=item $player->ext_reply ($msgid, $msgtype, %msg) 1564=item $player->ext_reply ($msgid, @msg)
1182 1565
1183Sends an ext reply to the player. 1566Sends an ext reply to the player.
1184 1567
1185=cut 1568=cut
1186 1569
1187sub ext_reply($$$%) { 1570sub ext_reply($$@) {
1188 my ($self, $id, %msg) = @_; 1571 my ($self, $id, @msg) = @_;
1189 1572
1190 $msg{msgid} = $id; 1573 $self->ns->ext_reply ($id, @msg)
1191
1192 $self->send ("ext " . cf::to_json \%msg);
1193} 1574}
1194 1575
1195package cf; 1576=item $player->ext_msg ($type, @msg)
1577
1578Sends an ext event to the client.
1579
1580=cut
1581
1582sub ext_msg($$@) {
1583 my ($self, $type, @msg) = @_;
1584
1585 $self->ns->ext_msg ($type, @msg);
1586}
1587
1588=head3 cf::region
1589
1590=over 4
1591
1592=cut
1593
1594package cf::region;
1595
1596=item cf::region::find_by_path $path
1597
1598Tries to decuce the likely region for a map knowing only its path.
1599
1600=cut
1601
1602sub find_by_path($) {
1603 my ($path) = @_;
1604
1605 my ($match, $specificity);
1606
1607 for my $region (list) {
1608 if ($region->{match} && $path =~ $region->{match}) {
1609 ($match, $specificity) = ($region, $region->specificity)
1610 if $region->specificity > $specificity;
1611 }
1612 }
1613
1614 $match
1615}
1196 1616
1197=back 1617=back
1198
1199 1618
1200=head3 cf::map 1619=head3 cf::map
1201 1620
1202=over 4 1621=over 4
1203 1622
… …
1206package cf::map; 1625package cf::map;
1207 1626
1208use Fcntl; 1627use Fcntl;
1209use Coro::AIO; 1628use Coro::AIO;
1210 1629
1630use overload
1631 '""' => \&as_string,
1632 fallback => 1;
1633
1211our $MAX_RESET = 3600; 1634our $MAX_RESET = 3600;
1212our $DEFAULT_RESET = 3000; 1635our $DEFAULT_RESET = 3000;
1213 1636
1214sub generate_random_map { 1637sub generate_random_map {
1215 my ($path, $rmp) = @_; 1638 my ($self, $rmp) = @_;
1216
1217 # mit "rum" bekleckern, nicht 1639 # mit "rum" bekleckern, nicht
1218 cf::map::_create_random_map 1640 $self->_create_random_map (
1219 $path,
1220 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223 $rmp->{exit_on_final_map}, 1644 $rmp->{exit_on_final_map},
1224 $rmp->{xsize}, $rmp->{ysize}, 1645 $rmp->{xsize}, $rmp->{ysize},
1225 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1646 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1647 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1648 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1649 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1650 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230 (cf::region::find $rmp->{region}) 1651 (cf::region::find $rmp->{region}), $rmp->{custom}
1652 )
1653}
1654
1655=item cf::map->register ($regex, $prio)
1656
1657Register a handler for the map path matching the given regex at the
1658givne priority (higher is better, built-in handlers have priority 0, the
1659default).
1660
1661=cut
1662
1663sub register {
1664 my (undef, $regex, $prio) = @_;
1665 my $pkg = caller;
1666
1667 no strict;
1668 push @{"$pkg\::ISA"}, __PACKAGE__;
1669
1670 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671}
1672
1673# also paths starting with '/'
1674$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1675
1676sub thawer_merge {
1677 my ($self, $merge) = @_;
1678
1679 # we have to keep some variables in memory intact
1680 local $self->{path};
1681 local $self->{load_path};
1682
1683 $self->SUPER::thawer_merge ($merge);
1684}
1685
1686sub normalise {
1687 my ($path, $base) = @_;
1688
1689 $path = "$path"; # make sure its a string
1690
1691 $path =~ s/\.map$//;
1692
1693 # map plan:
1694 #
1695 # /! non-realised random map exit (special hack!)
1696 # {... are special paths that are not being touched
1697 # ?xxx/... are special absolute paths
1698 # ?random/... random maps
1699 # /... normal maps
1700 # ~user/... per-player map of a specific user
1701
1702 $path =~ s/$PATH_SEP/\//go;
1703
1704 # treat it as relative path if it starts with
1705 # something that looks reasonable
1706 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1707 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1708
1709 $base =~ s{[^/]+/?$}{};
1710 $path = "$base/$path";
1711 }
1712
1713 for ($path) {
1714 redo if s{//}{/};
1715 redo if s{/\.?/}{/};
1716 redo if s{/[^/]+/\.\./}{/};
1717 }
1718
1719 $path
1720}
1721
1722sub new_from_path {
1723 my (undef, $path, $base) = @_;
1724
1725 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1726
1727 $path = normalise $path, $base;
1728
1729 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1730 if ($path =~ $EXT_MAP{$pkg}[1]) {
1731 my $self = bless cf::map::new, $pkg;
1732 $self->{path} = $path; $self->path ($path);
1733 $self->init; # pass $1 etc.
1734 return $self;
1735 }
1736 }
1737
1738 Carp::cluck "unable to resolve path '$path' (base '$base').";
1739 ()
1740}
1741
1742sub init {
1743 my ($self) = @_;
1744
1745 $self
1746}
1747
1748sub as_string {
1749 my ($self) = @_;
1750
1751 "$self->{path}"
1752}
1753
1754# the displayed name, this is a one way mapping
1755sub visible_name {
1756 &as_string
1757}
1758
1759# the original (read-only) location
1760sub load_path {
1761 my ($self) = @_;
1762
1763 "$MAPDIR/$self->{path}.map"
1764}
1765
1766# the temporary/swap location
1767sub save_path {
1768 my ($self) = @_;
1769
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1771 "$TMPDIR/$path.map"
1772}
1773
1774# the unique path, undef == no special unique path
1775sub uniq_path {
1776 my ($self) = @_;
1777
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1779 "$UNIQUEDIR/$path"
1231} 1780}
1232 1781
1233# and all this just because we cannot iterate over 1782# and all this just because we cannot iterate over
1234# all maps in C++... 1783# all maps in C++...
1235sub change_all_map_light { 1784sub change_all_map_light {
… …
1237 1786
1238 $_->change_map_light ($change) 1787 $_->change_map_light ($change)
1239 for grep $_->outdoor, values %cf::MAP; 1788 for grep $_->outdoor, values %cf::MAP;
1240} 1789}
1241 1790
1791sub decay_objects {
1792 my ($self) = @_;
1793
1794 return if $self->{deny_reset};
1795
1796 $self->do_decay_objects;
1797}
1798
1799sub unlink_save {
1800 my ($self) = @_;
1801
1802 utf8::encode (my $save = $self->save_path);
1803 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1804 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1805}
1806
1242sub try_load_header($) { 1807sub load_header_from($) {
1243 my ($path) = @_; 1808 my ($self, $path) = @_;
1244 1809
1245 utf8::encode $path; 1810 utf8::encode $path;
1246 aio_open $path, O_RDONLY, 0 1811 my $f = new_from_file cf::object::thawer $path
1247 or return; 1812 or return;
1248 1813
1249 my $map = cf::map::new 1814 $self->_load_header ($f)
1250 or return; 1815 or return;
1251 1816
1252 # for better error messages only, will be overwritten 1817 local $MAP_LOADING{$self->{path}} = $self;
1253 $map->path ($path); 1818 $f->resolve_delayed_derefs;
1254 1819
1255 $map->load_header ($path) 1820 $self->{load_path} = $path;
1821
1822 1
1823}
1824
1825sub load_header_orig {
1826 my ($self) = @_;
1827
1828 $self->load_header_from ($self->load_path)
1829}
1830
1831sub load_header_temp {
1832 my ($self) = @_;
1833
1834 $self->load_header_from ($self->save_path)
1835}
1836
1837sub prepare_temp {
1838 my ($self) = @_;
1839
1840 $self->last_access ((delete $self->{last_access})
1841 || $cf::RUNTIME); #d#
1842 # safety
1843 $self->{instantiate_time} = $cf::RUNTIME
1844 if $self->{instantiate_time} > $cf::RUNTIME;
1845}
1846
1847sub prepare_orig {
1848 my ($self) = @_;
1849
1850 $self->{load_original} = 1;
1851 $self->{instantiate_time} = $cf::RUNTIME;
1852 $self->last_access ($cf::RUNTIME);
1853 $self->instantiate;
1854}
1855
1856sub load_header {
1857 my ($self) = @_;
1858
1859 if ($self->load_header_temp) {
1860 $self->prepare_temp;
1861 } else {
1862 $self->load_header_orig
1256 or return; 1863 or return;
1864 $self->prepare_orig;
1865 }
1257 1866
1258 $map->{load_path} = $path; 1867 $self->{deny_reset} = 1
1868 if $self->no_reset;
1259 1869
1260 $map 1870 $self->default_region (cf::region::find_by_path $self->{path})
1871 unless $self->default_region;
1872
1873 1
1261} 1874}
1262 1875
1263sub find; 1876sub find;
1264sub find { 1877sub find {
1265 my ($path, $origin) = @_; 1878 my ($path, $origin) = @_;
1266 1879
1267 #warn "find<$path,$origin>\n";#d#
1268
1269 $path = new cf::path $path, $origin && $origin->path; 1880 $path = normalise $path, $origin && $origin->path;
1270 my $key = $path->as_string;
1271 1881
1882 cf::lock_wait "map_data:$path";#d#remove
1272 cf::lock_wait "map_find:$key"; 1883 cf::lock_wait "map_find:$path";
1273 1884
1274 $cf::MAP{$key} || do { 1885 $cf::MAP{$path} || do {
1275 my $guard = cf::lock_acquire "map_find:$key"; 1886 my $guard1 = cf::lock_acquire "map_find:$path";
1887 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1276 1888
1277 # do it the slow way 1889 my $map = new_from_path cf::map $path
1278 my $map = try_load_header $path->save_path;
1279
1280 Coro::cede;
1281
1282 if ($map) {
1283 $map->last_access ((delete $map->{last_access})
1284 || $cf::RUNTIME); #d#
1285 # safety
1286 $map->{instantiate_time} = $cf::RUNTIME
1287 if $map->{instantiate_time} > $cf::RUNTIME;
1288 } else {
1289 if (my $rmp = $path->random_map_params) {
1290 $map = generate_random_map $key, $rmp;
1291 } else {
1292 $map = try_load_header $path->load_path;
1293 }
1294
1295 $map or return; 1890 or return;
1296 1891
1297 $map->{load_original} = 1;
1298 $map->{instantiate_time} = $cf::RUNTIME;
1299 $map->last_access ($cf::RUNTIME);
1300 $map->instantiate;
1301
1302 # per-player maps become, after loading, normal maps
1303 $map->per_player (0) if $path->{user_rel};
1304 }
1305
1306 $map->path ($key);
1307 $map->{path} = $path;
1308 $map->{last_save} = $cf::RUNTIME; 1892 $map->{last_save} = $cf::RUNTIME;
1309 1893
1310 Coro::cede; 1894 $map->load_header
1895 or return;
1311 1896
1312 if ($map->should_reset) { 1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898 # doing this can freeze the server in a sync job, obviously
1899 #$cf::WAIT_FOR_TICK->wait;
1900 undef $guard1;
1901 undef $guard2;
1313 $map->reset; 1902 $map->reset;
1314 undef $guard;
1315 $map = find $path 1903 return find $path;
1316 or return;
1317 } 1904 }
1318 1905
1319 $cf::MAP{$key} = $map 1906 $cf::MAP{$path} = $map
1320 } 1907 }
1321} 1908}
1909
1910sub pre_load { }
1911sub post_load { }
1322 1912
1323sub load { 1913sub load {
1324 my ($self) = @_; 1914 my ($self) = @_;
1325 1915
1916 local $self->{deny_reset} = 1; # loading can take a long time
1917
1326 my $path = $self->{path}; 1918 my $path = $self->{path};
1919
1920 {
1327 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1921 my $guard = cf::lock_acquire "map_data:$path";
1328 1922
1923 return unless $self->valid;
1329 return if $self->in_memory != cf::MAP_SWAPPED; 1924 return unless $self->in_memory == cf::MAP_SWAPPED;
1330 1925
1331 $self->in_memory (cf::MAP_LOADING); 1926 $self->in_memory (cf::MAP_LOADING);
1332 1927
1333 $self->alloc; 1928 $self->alloc;
1334 $self->load_objects ($self->{load_path}, 1) 1929
1930 $self->pre_load;
1931 cf::cede_to_tick;
1932
1933 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block;
1935 $self->_load_objects ($f)
1335 or return; 1936 or return;
1336 1937
1337 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338 if delete $self->{load_original}; 1939 if delete $self->{load_original};
1339 1940
1340 if (my $uniq = $path->uniq_path) { 1941 if (my $uniq = $self->uniq_path) {
1341 utf8::encode $uniq; 1942 utf8::encode $uniq;
1342 if (aio_open $uniq, O_RDONLY, 0) { 1943 unless (aio_stat $uniq) {
1944 if (my $f = new_from_file cf::object::thawer $uniq) {
1343 $self->clear_unique_items; 1945 $self->clear_unique_items;
1344 $self->load_objects ($uniq, 0); 1946 $self->_load_objects ($f);
1947 $f->resolve_delayed_derefs;
1948 }
1345 } 1949 }
1346 } 1950 }
1347 1951
1348 Coro::cede; 1952 $f->resolve_delayed_derefs;
1349 1953
1954 cf::cede_to_tick;
1350 # now do the right thing for maps 1955 # now do the right thing for maps
1351 $self->link_multipart_objects; 1956 $self->link_multipart_objects;
1352
1353 if ($self->{path}->is_style_map) {
1354 $self->{deny_save} = 1;
1355 $self->{deny_reset} = 1;
1356 } else {
1357 $self->fix_auto_apply;
1358 $self->decay_objects;
1359 $self->update_buttons;
1360 $self->set_darkness_map;
1361 $self->difficulty ($self->estimate_difficulty) 1957 $self->difficulty ($self->estimate_difficulty)
1362 unless $self->difficulty; 1958 unless $self->difficulty;
1959 cf::cede_to_tick;
1960
1961 unless ($self->{deny_activate}) {
1962 $self->decay_objects;
1963 $self->fix_auto_apply;
1964 $self->update_buttons;
1965 cf::cede_to_tick;
1966 $self->set_darkness_map;
1967 cf::cede_to_tick;
1363 $self->activate; 1968 $self->activate;
1364 } 1969 }
1365 1970
1366 Coro::cede; 1971 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME);
1367 1973
1368 $self->in_memory (cf::MAP_IN_MEMORY); 1974 $self->in_memory (cf::MAP_IN_MEMORY);
1975 }
1976
1977 $self->post_load;
1978}
1979
1980sub customise_for {
1981 my ($self, $ob) = @_;
1982
1983 return find "~" . $ob->name . "/" . $self->{path}
1984 if $self->per_player;
1985
1986# return find "?party/" . $ob->name . "/" . $self->{path}
1987# if $self->per_party;
1988
1989 $self
1990}
1991
1992# find and load all maps in the 3x3 area around a map
1993sub load_neighbours {
1994 my ($map) = @_;
1995
1996 my @neigh; # diagonal neighbours
1997
1998 for (0 .. 3) {
1999 my $neigh = $map->tile_path ($_)
2000 or next;
2001 $neigh = find $neigh, $map
2002 or next;
2003 $neigh->load;
2004
2005 push @neigh,
2006 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2007 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2008 }
2009
2010 for (grep defined $_->[0], @neigh) {
2011 my ($path, $origin) = @$_;
2012 my $neigh = find $path, $origin
2013 or next;
2014 $neigh->load;
2015 }
1369} 2016}
1370 2017
1371sub find_sync { 2018sub find_sync {
1372 my ($path, $origin) = @_; 2019 my ($path, $origin) = @_;
1373 2020
1374 cf::sync_job { cf::map::find $path, $origin } 2021 cf::sync_job { find $path, $origin }
1375} 2022}
1376 2023
1377sub do_load_sync { 2024sub do_load_sync {
1378 my ($map) = @_; 2025 my ($map) = @_;
1379 2026
2027 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2028 if $Coro::current == $Coro::main;
2029
1380 cf::sync_job { $map->load }; 2030 cf::sync_job { $map->load };
2031}
2032
2033our %MAP_PREFETCH;
2034our $MAP_PREFETCHER = undef;
2035
2036sub find_async {
2037 my ($path, $origin, $load) = @_;
2038
2039 $path = normalise $path, $origin && $origin->{path};
2040
2041 if (my $map = $cf::MAP{$path}) {
2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2043 }
2044
2045 $MAP_PREFETCH{$path} |= $load;
2046
2047 $MAP_PREFETCHER ||= cf::async {
2048 $Coro::current->{desc} = "map prefetcher";
2049
2050 while (%MAP_PREFETCH) {
2051 while (my ($k, $v) = each %MAP_PREFETCH) {
2052 if (my $map = find $k) {
2053 $map->load if $v;
2054 }
2055
2056 delete $MAP_PREFETCH{$k};
2057 }
2058 }
2059 undef $MAP_PREFETCHER;
2060 };
2061 $MAP_PREFETCHER->prio (6);
2062
2063 ()
1381} 2064}
1382 2065
1383sub save { 2066sub save {
1384 my ($self) = @_; 2067 my ($self) = @_;
1385 2068
1386 my $lock = cf::lock_acquire "map_data:" . $self->path; 2069 my $lock = cf::lock_acquire "map_data:$self->{path}";
1387 2070
1388 $self->{last_save} = $cf::RUNTIME; 2071 $self->{last_save} = $cf::RUNTIME;
1389 2072
1390 return unless $self->dirty; 2073 return unless $self->dirty;
1391 2074
1392 my $save = $self->{path}->save_path; utf8::encode $save; 2075 my $save = $self->save_path; utf8::encode $save;
1393 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2076 my $uniq = $self->uniq_path; utf8::encode $uniq;
1394 2077
1395 $self->{load_path} = $save; 2078 $self->{load_path} = $save;
1396 2079
1397 return if $self->{deny_save}; 2080 return if $self->{deny_save};
1398 2081
1399 local $self->{last_access} = $self->last_access;#d# 2082 local $self->{last_access} = $self->last_access;#d#
1400 2083
1401 cf::async { 2084 cf::async {
2085 $Coro::current->{desc} = "map player save";
1402 $_->contr->save for $self->players; 2086 $_->contr->save for $self->players;
1403 }; 2087 };
1404 2088
1405 if ($uniq) { 2089 if ($uniq) {
1406 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2090 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407 $self->save_objects ($uniq, cf::IO_UNIQUES); 2091 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1408 } else { 2092 } else {
1409 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2093 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410 } 2094 }
1411} 2095}
1412 2096
1413sub swap_out { 2097sub swap_out {
1414 my ($self) = @_; 2098 my ($self) = @_;
1415 2099
1416 # save first because save cedes 2100 # save first because save cedes
1417 $self->save; 2101 $self->save;
1418 2102
1419 my $lock = cf::lock_acquire "map_data:" . $self->path; 2103 my $lock = cf::lock_acquire "map_data:$self->{path}";
1420 2104
1421 return if $self->players; 2105 return if $self->players;
1422 return if $self->in_memory != cf::MAP_IN_MEMORY; 2106 return if $self->in_memory != cf::MAP_IN_MEMORY;
1423 return if $self->{deny_save}; 2107 return if $self->{deny_save};
1424 2108
2109 $self->in_memory (cf::MAP_SWAPPED);
2110
2111 $self->deactivate;
2112 $_->clear_links_to ($self) for values %cf::MAP;
1425 $self->clear; 2113 $self->clear;
1426 $self->in_memory (cf::MAP_SWAPPED);
1427} 2114}
1428 2115
1429sub reset_at { 2116sub reset_at {
1430 my ($self) = @_; 2117 my ($self) = @_;
1431 2118
1432 # TODO: safety, remove and allow resettable per-player maps 2119 # TODO: safety, remove and allow resettable per-player maps
1433 return 1e99 if $self->{path}{user_rel};
1434 return 1e99 if $self->{deny_reset}; 2120 return 1e99 if $self->{deny_reset};
1435 2121
1436 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2122 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2123 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438 2124
… …
1443 my ($self) = @_; 2129 my ($self) = @_;
1444 2130
1445 $self->reset_at <= $cf::RUNTIME 2131 $self->reset_at <= $cf::RUNTIME
1446} 2132}
1447 2133
1448sub unlink_save {
1449 my ($self) = @_;
1450
1451 utf8::encode (my $save = $self->{path}->save_path);
1452 aioreq_pri 3; IO::AIO::aio_unlink $save;
1453 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454}
1455
1456sub rename {
1457 my ($self, $new_path) = @_;
1458
1459 $self->unlink_save;
1460
1461 delete $cf::MAP{$self->path};
1462 $self->{path} = new cf::path $new_path;
1463 $self->path ($self->{path}->as_string);
1464 $cf::MAP{$self->path} = $self;
1465
1466 $self->save;
1467}
1468
1469sub reset { 2134sub reset {
1470 my ($self) = @_; 2135 my ($self) = @_;
1471 2136
1472 my $lock = cf::lock_acquire "map_data:" . $self->path; 2137 my $lock = cf::lock_acquire "map_data:$self->{path}";
1473 2138
1474 return if $self->players; 2139 return if $self->players;
1475 return if $self->{path}{user_rel};#d#
1476 2140
1477 warn "resetting map ", $self->path;#d# 2141 warn "resetting map ", $self->path;
2142
2143 $self->in_memory (cf::MAP_SWAPPED);
2144
2145 # need to save uniques path
2146 unless ($self->{deny_save}) {
2147 my $uniq = $self->uniq_path; utf8::encode $uniq;
2148
2149 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2150 if $uniq;
2151 }
1478 2152
1479 delete $cf::MAP{$self->path}; 2153 delete $cf::MAP{$self->path};
1480 2154
2155 $self->deactivate;
1481 $_->clear_links_to ($self) for values %cf::MAP; 2156 $_->clear_links_to ($self) for values %cf::MAP;
2157 $self->clear;
1482 2158
1483 $self->unlink_save; 2159 $self->unlink_save;
1484 $self->destroy; 2160 $self->destroy;
1485} 2161}
1486 2162
1487my $nuke_counter = "aaaa"; 2163my $nuke_counter = "aaaa";
1488 2164
1489sub nuke { 2165sub nuke {
1490 my ($self) = @_; 2166 my ($self) = @_;
1491 2167
2168 {
2169 my $lock = cf::lock_acquire "map_data:$self->{path}";
2170
2171 delete $cf::MAP{$self->path};
2172
2173 $self->unlink_save;
2174
2175 bless $self, "cf::map";
2176 delete $self->{deny_reset};
1492 $self->{deny_save} = 1; 2177 $self->{deny_save} = 1;
1493 $self->reset_timeout (1); 2178 $self->reset_timeout (1);
1494 $self->rename ("{nuke}/" . ($nuke_counter++)); 2179 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2180
2181 $cf::MAP{$self->path} = $self;
2182 }
2183
1495 $self->reset; # polite request, might not happen 2184 $self->reset; # polite request, might not happen
1496} 2185}
1497 2186
1498sub customise_for { 2187=item $maps = cf::map::tmp_maps
1499 my ($map, $ob) = @_;
1500 2188
1501 if ($map->per_player) { 2189Returns an arrayref with all map paths of currently instantiated and saved
1502 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2190maps. May block.
2191
2192=cut
2193
2194sub tmp_maps() {
1503 } 2195 [
1504 2196 map {
1505 $map 2197 utf8::decode $_;
2198 /\.map$/
2199 ? normalise $_
2200 : ()
2201 } @{ aio_readdir $TMPDIR or [] }
2202 ]
1506} 2203}
1507 2204
1508sub emergency_save { 2205=item $maps = cf::map::random_maps
1509 my $freeze_guard = cf::freeze_mainloop;
1510 2206
1511 warn "enter emergency perl save\n"; 2207Returns an arrayref with all map paths of currently instantiated and saved
2208random maps. May block.
1512 2209
1513 cf::sync_job { 2210=cut
1514 warn "begin emergency player save\n";
1515 $_->save for values %cf::PLAYER;
1516 warn "end emergency player save\n";
1517 2211
1518 warn "begin emergency map save\n"; 2212sub random_maps() {
1519 $_->save for values %cf::MAP; 2213 [
1520 warn "end emergency map save\n"; 2214 map {
1521 }; 2215 utf8::decode $_;
2216 /\.map$/
2217 ? normalise "?random/$_"
2218 : ()
2219 } @{ aio_readdir $RANDOMDIR or [] }
2220 ]
2221}
1522 2222
1523 warn "leave emergency perl save\n"; 2223=item cf::map::unique_maps
2224
2225Returns an arrayref of paths of all shared maps that have
2226instantiated unique items. May block.
2227
2228=cut
2229
2230sub unique_maps() {
2231 [
2232 map {
2233 utf8::decode $_;
2234 /\.map$/
2235 ? normalise $_
2236 : ()
2237 } @{ aio_readdir $UNIQUEDIR or [] }
2238 ]
1524} 2239}
1525 2240
1526package cf; 2241package cf;
1527 2242
1528=back 2243=back
1529 2244
2245=head3 cf::object
2246
2247=cut
2248
2249package cf::object;
2250
2251=over 4
2252
2253=item $ob->inv_recursive
2254
2255Returns the inventory of the object _and_ their inventories, recursively.
2256
2257=cut
2258
2259sub inv_recursive_;
2260sub inv_recursive_ {
2261 map { $_, inv_recursive_ $_->inv } @_
2262}
2263
2264sub inv_recursive {
2265 inv_recursive_ inv $_[0]
2266}
2267
2268=item $ref = $ob->ref
2269
2270creates and returns a persistent reference to an objetc that can be stored as a string.
2271
2272=item $ob = cf::object::deref ($refstring)
2273
2274returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275even if the object actually exists. May block.
2276
2277=cut
2278
2279sub deref {
2280 my ($ref) = @_;
2281
2282 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return;
2286 $pl->ob->uuid eq $uuid
2287 or return;
2288
2289 $pl->ob
2290 } else {
2291 warn "$ref: cannot resolve object reference\n";
2292 undef
2293 }
2294}
2295
2296package cf;
2297
2298=back
1530 2299
1531=head3 cf::object::player 2300=head3 cf::object::player
1532 2301
1533=over 4 2302=over 4
1534 2303
… …
1548 2317
1549 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2318 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550 2319
1551 if ($self->{record_replies}) { 2320 if ($self->{record_replies}) {
1552 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2321 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2322
1553 } else { 2323 } else {
2324 my $pl = $self->contr;
2325
2326 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2327 my $dialog = $pl->{npc_dialog};
2328 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329
2330 } else {
1554 $msg = $npc->name . " says: $msg" if $npc; 2331 $msg = $npc->name . " says: $msg" if $npc;
1555 $self->message ($msg, $flags); 2332 $self->message ($msg, $flags);
2333 }
1556 } 2334 }
2335}
2336
2337=item $object->send_msg ($channel, $msg, $color, [extra...])
2338
2339=cut
2340
2341sub cf::object::send_msg {
2342 my $pl = shift->contr
2343 or return;
2344 $pl->send_msg (@_);
1557} 2345}
1558 2346
1559=item $player_object->may ("access") 2347=item $player_object->may ("access")
1560 2348
1561Returns wether the given player is authorized to access resource "access" 2349Returns wether the given player is authorized to access resource "access"
… …
1574 2362
1575=item $player_object->enter_link 2363=item $player_object->enter_link
1576 2364
1577Freezes the player and moves him/her to a special map (C<{link}>). 2365Freezes the player and moves him/her to a special map (C<{link}>).
1578 2366
1579The player should be reaosnably safe there for short amounts of time. You 2367The player should be reasonably safe there for short amounts of time. You
1580I<MUST> call C<leave_link> as soon as possible, though. 2368I<MUST> call C<leave_link> as soon as possible, though.
1581 2369
2370Will never block.
2371
1582=item $player_object->leave_link ($map, $x, $y) 2372=item $player_object->leave_link ($map, $x, $y)
1583 2373
1584Moves the player out of the specila link map onto the given map. If the 2374Moves the player out of the special C<{link}> map onto the specified
1585map is not valid (or omitted), the player will be moved back to the 2375map. If the map is not valid (or omitted), the player will be moved back
1586location he/she was before the call to C<enter_link>, or, if that fails, 2376to the location he/she was before the call to C<enter_link>, or, if that
1587to the emergency map position. 2377fails, to the emergency map position.
1588 2378
1589Might block. 2379Might block.
1590 2380
1591=cut 2381=cut
2382
2383sub link_map {
2384 unless ($LINK_MAP) {
2385 $LINK_MAP = cf::map::find "{link}"
2386 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2387 $LINK_MAP->load;
2388 }
2389
2390 $LINK_MAP
2391}
1592 2392
1593sub cf::object::player::enter_link { 2393sub cf::object::player::enter_link {
1594 my ($self) = @_; 2394 my ($self) = @_;
1595 2395
1596 $self->deactivate_recursive; 2396 $self->deactivate_recursive;
1597 2397
1598 return if $self->map == $LINK_MAP; 2398 return if UNIVERSAL::isa $self->map, "ext::map_link";
1599 2399
1600 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2400 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601 if $self->map; 2401 if $self->map && $self->map->{path} ne "{link}";
1602 2402
1603 $self->enter_map ($LINK_MAP, 20, 20); 2403 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1604} 2404}
1605 2405
1606sub cf::object::player::leave_link { 2406sub cf::object::player::leave_link {
1607 my ($self, $map, $x, $y) = @_; 2407 my ($self, $map, $x, $y) = @_;
2408
2409 return unless $self->contr->active;
1608 2410
1609 my $link_pos = delete $self->{_link_pos}; 2411 my $link_pos = delete $self->{_link_pos};
1610 2412
1611 unless ($map) { 2413 unless ($map) {
1612 # restore original map position 2414 # restore original map position
… …
1626 # use -1 or undef as default coordinates, not 0, 0 2428 # use -1 or undef as default coordinates, not 0, 0
1627 ($x, $y) = ($map->enter_x, $map->enter_y) 2429 ($x, $y) = ($map->enter_x, $map->enter_y)
1628 if $x <=0 && $y <= 0; 2430 if $x <=0 && $y <= 0;
1629 2431
1630 $map->load; 2432 $map->load;
2433 $map->load_neighbours;
1631 2434
1632 return unless $self->contr->active; 2435 return unless $self->contr->active;
1633 $self->activate_recursive; 2436 $self->activate_recursive;
2437
2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1634 $self->enter_map ($map, $x, $y); 2439 $self->enter_map ($map, $x, $y);
1635} 2440}
1636 2441
1637cf::player->attach ( 2442=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1638 on_logout => sub {
1639 my ($pl) = @_;
1640 2443
1641 # abort map switching before logout 2444Moves the player to the given map-path and coordinates by first freezing
1642 if ($pl->ob->{_link_pos}) { 2445her, loading and preparing them map, calling the provided $check callback
1643 cf::sync_job { 2446that has to return the map if sucecssful, and then unfreezes the player on
1644 $pl->ob->leave_link 2447the new (success) or old (failed) map position. In either case, $done will
1645 }; 2448be called at the end of this process.
1646 }
1647 },
1648 on_login => sub {
1649 my ($pl) = @_;
1650 2449
1651 # try to abort aborted map switching on player login :)
1652 # should happen only on crashes
1653 if ($pl->ob->{_link_pos}) {
1654 $pl->ob->enter_link;
1655 (async {
1656 # we need this sleep as the login has a concurrent enter_exit running
1657 # and this sleep increases chances of the player not ending up in scorn
1658 $pl->ob->reply (undef,
1659 "There was an internal problem at your last logout, "
1660 . "the server will try to bring you to your intended destination in a second.",
1661 cf::NDI_RED);
1662 Coro::Timer::sleep 1;
1663 $pl->ob->leave_link;
1664 })->prio (2);
1665 }
1666 },
1667);
1668
1669=item $player_object->goto ($path, $x, $y)
1670
1671=cut 2450=cut
2451
2452our $GOTOGEN;
1672 2453
1673sub cf::object::player::goto { 2454sub cf::object::player::goto {
1674 my ($self, $path, $x, $y) = @_; 2455 my ($self, $path, $x, $y, $check, $done) = @_;
2456
2457 # do generation counting so two concurrent goto's will be executed in-order
2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675 2459
1676 $self->enter_link; 2460 $self->enter_link;
1677 2461
1678 (async { 2462 (async {
1679 $path = new cf::path $path; 2463 $Coro::current->{desc} = "player::goto $path $x $y";
1680 2464
1681 my $map = cf::map::find $path->as_string; 2465 # *tag paths override both path and x|y
2466 if ($path =~ /^\*(.*)$/) {
2467 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2468 my $ob = $obs[rand @obs];
2469
2470 # see if we actually can go there
2471 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2472 $ob = $obs[rand @obs];
2473 } else {
2474 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2475 }
2476 # else put us there anyways for now #d#
2477
2478 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2479 } else {
2480 ($path, $x, $y) = (undef, undef, undef);
2481 }
2482 }
2483
2484 my $map = eval {
2485 my $map = defined $path ? cf::map::find $path : undef;
2486
2487 if ($map) {
1682 $map = $map->customise_for ($self) if $map; 2488 $map = $map->customise_for ($self);
1683 2489 $map = $check->($map) if $check && $map;
1684# warn "entering ", $map->path, " at ($x, $y)\n" 2490 } else {
1685# if $map;
1686
1687 $map or $map->cluck ("oy");#d#
1688 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2491 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2492 }
1689 2493
2494 $map
2495 };
2496
2497 if ($@) {
2498 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2499 LOG llevError | logBacktrace, Carp::longmess $@;
2500 }
2501
2502 if ($gen == $self->{_goto_generation}) {
2503 delete $self->{_goto_generation};
1690 $self->leave_link ($map, $x, $y); 2504 $self->leave_link ($map, $x, $y);
2505 }
2506
2507 $done->() if $done;
1691 })->prio (1); 2508 })->prio (1);
1692} 2509}
1693 2510
1694=item $player_object->enter_exit ($exit_object) 2511=item $player_object->enter_exit ($exit_object)
1695 2512
… …
1697 2514
1698sub parse_random_map_params { 2515sub parse_random_map_params {
1699 my ($spec) = @_; 2516 my ($spec) = @_;
1700 2517
1701 my $rmp = { # defaults 2518 my $rmp = { # defaults
1702 xsize => 10, 2519 xsize => (cf::rndm 15, 40),
1703 ysize => 10, 2520 ysize => (cf::rndm 15, 40),
2521 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2522 #layout => string,
1704 }; 2523 };
1705 2524
1706 for (split /\n/, $spec) { 2525 for (split /\n/, $spec) {
1707 my ($k, $v) = split /\s+/, $_, 2; 2526 my ($k, $v) = split /\s+/, $_, 2;
1708 2527
… …
1712 $rmp 2531 $rmp
1713} 2532}
1714 2533
1715sub prepare_random_map { 2534sub prepare_random_map {
1716 my ($exit) = @_; 2535 my ($exit) = @_;
2536
2537 my $guard = cf::lock_acquire "exit_prepare:$exit";
1717 2538
1718 # all this does is basically replace the /! path by 2539 # all this does is basically replace the /! path by
1719 # a new random map path (?random/...) with a seed 2540 # a new random map path (?random/...) with a seed
1720 # that depends on the exit object 2541 # that depends on the exit object
1721 2542
1722 my $rmp = parse_random_map_params $exit->msg; 2543 my $rmp = parse_random_map_params $exit->msg;
1723 2544
1724 if ($exit->map) { 2545 if ($exit->map) {
1725 $rmp->{region} = $exit->map->region_name; 2546 $rmp->{region} = $exit->region->name;
1726 $rmp->{origin_map} = $exit->map->path; 2547 $rmp->{origin_map} = $exit->map->path;
1727 $rmp->{origin_x} = $exit->x; 2548 $rmp->{origin_x} = $exit->x;
1728 $rmp->{origin_y} = $exit->y; 2549 $rmp->{origin_y} = $exit->y;
1729 } 2550 }
1730 2551
1731 $rmp->{random_seed} ||= $exit->random_seed; 2552 $rmp->{random_seed} ||= $exit->random_seed;
1732 2553
1733 my $data = cf::to_json $rmp; 2554 my $data = cf::to_json $rmp;
1734 my $md5 = Digest::MD5::md5_hex $data; 2555 my $md5 = Digest::MD5::md5_hex $data;
2556 my $meta = "$RANDOMDIR/$md5.meta";
1735 2557
1736 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2558 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737 aio_write $fh, 0, (length $data), $data, 0; 2559 aio_write $fh, 0, (length $data), $data, 0;
2560 undef $fh;
2561 aio_rename "$meta~", $meta;
1738 2562
1739 $exit->slaying ("?random/$md5"); 2563 $exit->slaying ("?random/$md5");
1740 $exit->msg (undef); 2564 $exit->msg (undef);
1741 } 2565 }
1742} 2566}
… …
1744sub cf::object::player::enter_exit { 2568sub cf::object::player::enter_exit {
1745 my ($self, $exit) = @_; 2569 my ($self, $exit) = @_;
1746 2570
1747 return unless $self->type == cf::PLAYER; 2571 return unless $self->type == cf::PLAYER;
1748 2572
2573 if ($exit->slaying eq "/!") {
2574 #TODO: this should de-fi-ni-te-ly not be a sync-job
2575 # the problem is that $exit might not survive long enough
2576 # so it needs to be done right now, right here
2577 cf::sync_job { prepare_random_map $exit };
2578 }
2579
2580 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581 my $hp = $exit->stats->hp;
2582 my $sp = $exit->stats->sp;
2583
1749 $self->enter_link; 2584 $self->enter_link;
1750 2585
2586 # if exit is damned, update players death & WoR home-position
2587 $self->contr->savebed ($slaying, $hp, $sp)
2588 if $exit->flag (FLAG_DAMNED);
2589
1751 (async { 2590 (async {
2591 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2592
1752 $self->deactivate_recursive; # just to be sure 2593 $self->deactivate_recursive; # just to be sure
1753 unless (eval { 2594 unless (eval {
1754 prepare_random_map $exit 2595 $self->goto ($slaying, $hp, $sp);
1755 if $exit->slaying eq "/!";
1756
1757 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1758 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759 2596
1760 1; 2597 1;
1761 }) { 2598 }) {
1762 $self->message ("Something went wrong deep within the crossfire server. " 2599 $self->message ("Something went wrong deep within the crossfire server. "
1763 . "I'll try to bring you back to the map you were before. " 2600 . "I'll try to bring you back to the map you were before. "
1764 . "Please report this to the dungeon master", 2601 . "Please report this to the dungeon master!",
1765 cf::NDI_UNIQUE | cf::NDI_RED); 2602 cf::NDI_UNIQUE | cf::NDI_RED);
1766 2603
1767 warn "ERROR in enter_exit: $@"; 2604 warn "ERROR in enter_exit: $@";
1768 $self->leave_link; 2605 $self->leave_link;
1769 } 2606 }
1770 })->prio (1); 2607 })->prio (1);
… …
1783 2620
1784sub cf::client::send_drawinfo { 2621sub cf::client::send_drawinfo {
1785 my ($self, $text, $flags) = @_; 2622 my ($self, $text, $flags) = @_;
1786 2623
1787 utf8::encode $text; 2624 utf8::encode $text;
1788 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2625 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789} 2626}
1790 2627
2628=item $client->send_msg ($channel, $msg, $color, [extra...])
2629
2630Send a drawinfo or msg packet to the client, formatting the msg for the
2631client if neccessary. C<$type> should be a string identifying the type of
2632the message, with C<log> being the default. If C<$color> is negative, suppress
2633the message unless the client supports the msg packet.
2634
2635=cut
2636
2637our %CHANNEL = (
2638 "c/identify" => {
2639 id => "infobox",
2640 title => "Identify",
2641 reply => undef,
2642 tooltip => "Items recently identified",
2643 },
2644 "c/examine" => {
2645 id => "infobox",
2646 title => "Examine",
2647 reply => undef,
2648 tooltip => "Signs and other items you examined",
2649 },
2650 "c/lookat" => {
2651 id => "infobox",
2652 title => "Look",
2653 reply => undef,
2654 tooltip => "What you saw there",
2655 },
2656);
2657
2658sub cf::client::send_msg {
2659 my ($self, $channel, $msg, $color, @extra) = @_;
2660
2661 $msg = $self->pl->expand_cfpod ($msg);
2662
2663 $color &= cf::NDI_CLIENT_MASK; # just in case...
2664
2665 # check predefined channels, for the benefit of C
2666 if ($CHANNEL{$channel}) {
2667 $channel = $CHANNEL{$channel};
2668
2669 $self->ext_msg (channel_info => $channel)
2670 if $self->can_msg;
2671
2672 $channel = $channel->{id};
2673
2674 } elsif (ref $channel) {
2675 # send meta info to client, if not yet sent
2676 unless (exists $self->{channel}{$channel->{id}}) {
2677 $self->{channel}{$channel->{id}} = $channel;
2678 $self->ext_msg (channel_info => $channel)
2679 if $self->can_msg;
2680 }
2681
2682 $channel = $channel->{id};
2683 }
2684
2685 return unless @extra || length $msg;
2686
2687 if ($self->can_msg) {
2688 # default colour, mask it out
2689 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690 if $color & cf::NDI_DEF;
2691
2692 $self->send_packet ("msg " . $self->{json_coder}->encode (
2693 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2694 } else {
2695 if ($color >= 0) {
2696 # replace some tags by gcfclient-compatible ones
2697 for ($msg) {
2698 1 while
2699 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704 }
2705
2706 $color &= cf::NDI_COLOR_MASK;
2707
2708 utf8::encode $msg;
2709
2710 if (0 && $msg =~ /\[/) {
2711 # COMMAND/INFO
2712 $self->send_packet ("drawextinfo $color 10 8 $msg")
2713 } else {
2714 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715 $self->send_packet ("drawinfo $color $msg")
2716 }
2717 }
2718 }
2719}
2720
2721=item $client->ext_msg ($type, @msg)
2722
2723Sends an ext event to the client.
2724
2725=cut
2726
2727sub cf::client::ext_msg($$@) {
2728 my ($self, $type, @msg) = @_;
2729
2730 if ($self->extcmd == 2) {
2731 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2732 } elsif ($self->extcmd == 1) { # TODO: remove
2733 push @msg, msgtype => "event_$type";
2734 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2735 }
2736}
2737
2738=item $client->ext_reply ($msgid, @msg)
2739
2740Sends an ext reply to the client.
2741
2742=cut
2743
2744sub cf::client::ext_reply($$@) {
2745 my ($self, $id, @msg) = @_;
2746
2747 if ($self->extcmd == 2) {
2748 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2749 } elsif ($self->extcmd == 1) {
2750 #TODO: version 1, remove
2751 unshift @msg, msgtype => "reply", msgid => $id;
2752 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2753 }
2754}
1791 2755
1792=item $success = $client->query ($flags, "text", \&cb) 2756=item $success = $client->query ($flags, "text", \&cb)
1793 2757
1794Queues a query to the client, calling the given callback with 2758Queues a query to the client, calling the given callback with
1795the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2759the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2760C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797 2761
1798Queries can fail, so check the return code. Or don't, as queries will become 2762Queries can fail, so check the return code. Or don't, as queries will
1799reliable at some point in the future. 2763become reliable at some point in the future.
1800 2764
1801=cut 2765=cut
1802 2766
1803sub cf::client::query { 2767sub cf::client::query {
1804 my ($self, $flags, $text, $cb) = @_; 2768 my ($self, $flags, $text, $cb) = @_;
… …
1812 utf8::encode $text; 2776 utf8::encode $text;
1813 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2777 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814 2778
1815 $self->send_packet ($self->{query_queue}[0][0]) 2779 $self->send_packet ($self->{query_queue}[0][0])
1816 if @{ $self->{query_queue} } == 1; 2780 if @{ $self->{query_queue} } == 1;
2781
2782 1
1817} 2783}
1818 2784
1819cf::client->attach ( 2785cf::client->attach (
2786 on_connect => sub {
2787 my ($ns) = @_;
2788
2789 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2790 },
1820 on_reply => sub { 2791 on_reply => sub {
1821 my ($ns, $msg) = @_; 2792 my ($ns, $msg) = @_;
1822 2793
1823 # this weird shuffling is so that direct followup queries 2794 # this weird shuffling is so that direct followup queries
1824 # get handled first 2795 # get handled first
1825 my $queue = delete $ns->{query_queue} 2796 my $queue = delete $ns->{query_queue}
1826 or return; # be conservative, not sure how that can happen, but we saw a crash here 2797 or return; # be conservative, not sure how that can happen, but we saw a crash here
1827 2798
1828 (shift @$queue)->[1]->($msg); 2799 (shift @$queue)->[1]->($msg);
2800 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829 2801
1830 push @{ $ns->{query_queue} }, @$queue; 2802 push @{ $ns->{query_queue} }, @$queue;
1831 2803
1832 if (@{ $ns->{query_queue} } == @$queue) { 2804 if (@{ $ns->{query_queue} } == @$queue) {
1833 if (@$queue) { 2805 if (@$queue) {
… …
1835 } else { 2807 } else {
1836 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2808 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837 } 2809 }
1838 } 2810 }
1839 }, 2811 },
2812 on_exticmd => sub {
2813 my ($ns, $buf) = @_;
2814
2815 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2816
2817 if (ref $msg) {
2818 my ($type, $reply, @payload) =
2819 "ARRAY" eq ref $msg
2820 ? @$msg
2821 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2822
2823 my @reply;
2824
2825 if (my $cb = $EXTICMD{$type}) {
2826 @reply = $cb->($ns, @payload);
2827 }
2828
2829 $ns->ext_reply ($reply, @reply)
2830 if $reply;
2831
2832 } else {
2833 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2834 }
2835
2836 cf::override;
2837 },
1840); 2838);
1841 2839
1842=item $client->async (\&cb) 2840=item $client->async (\&cb)
1843 2841
1844Create a new coroutine, running the specified callback. The coroutine will 2842Create a new coroutine, running the specified callback. The coroutine will
… …
1885our $safe = new Safe "safe"; 2883our $safe = new Safe "safe";
1886our $safe_hole = new Safe::Hole; 2884our $safe_hole = new Safe::Hole;
1887 2885
1888$SIG{FPE} = 'IGNORE'; 2886$SIG{FPE} = 'IGNORE';
1889 2887
1890$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2888$safe->permit_only (Opcode::opset qw(
2889 :base_core :base_mem :base_orig :base_math
2890 grepstart grepwhile mapstart mapwhile
2891 sort time
2892));
1891 2893
1892# here we export the classes and methods available to script code 2894# here we export the classes and methods available to script code
1893 2895
1894=pod 2896=pod
1895 2897
1896The following fucntions and emthods are available within a safe environment: 2898The following functions and methods are available within a safe environment:
1897 2899
1898 cf::object contr pay_amount pay_player map 2900 cf::object
2901 contr pay_amount pay_player map x y force_find force_add
2902 insert remove name archname title slaying race decrease_ob_nr
2903
1899 cf::object::player player 2904 cf::object::player
1900 cf::player peaceful 2905 player
1901 cf::map trigger 2906
2907 cf::player
2908 peaceful
2909
2910 cf::map
2911 trigger
1902 2912
1903=cut 2913=cut
1904 2914
1905for ( 2915for (
1906 ["cf::object" => qw(contr pay_amount pay_player map)], 2916 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917 insert remove inv name archname title slaying race
2918 decrease_ob_nr)],
1907 ["cf::object::player" => qw(player)], 2919 ["cf::object::player" => qw(player)],
1908 ["cf::player" => qw(peaceful)], 2920 ["cf::player" => qw(peaceful)],
1909 ["cf::map" => qw(trigger)], 2921 ["cf::map" => qw(trigger)],
1910) { 2922) {
1911 no strict 'refs'; 2923 no strict 'refs';
… …
1982=back 2994=back
1983 2995
1984=cut 2996=cut
1985 2997
1986############################################################################# 2998#############################################################################
2999# the server's init and main functions
1987 3000
1988=head2 EXTENSION DATABASE SUPPORT 3001sub load_facedata($) {
3002 my ($path) = @_;
1989 3003
1990Crossfire maintains a very simple database for extension use. It can 3004 # HACK to clear player env face cache, we need some signal framework
1991currently store anything that can be serialised using Storable, which 3005 # for this (global event?)
1992excludes objects. 3006 %ext::player_env::MUSIC_FACE_CACHE = ();
1993 3007
1994The parameter C<$family> should best start with the name of the extension 3008 my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995using it, it should be unique.
1996 3009
1997=over 4 3010 warn "loading facedata from $path\n";
1998 3011
1999=item $hashref = cf::db_get $family 3012 my $facedata;
3013 0 < aio_load $path, $facedata
3014 or die "$path: $!";
2000 3015
2001Return a hashref for use by the extension C<$family>, which can be 3016 $facedata = Coro::Storable::thaw $facedata;
2002modified. After modifications, you have to call C<cf::db_dirty> or
2003C<cf::db_sync>.
2004 3017
2005=item $value = cf::db_get $family => $key 3018 $facedata->{version} == 2
3019 or cf::cleanup "$path: version mismatch, cannot proceed.";
2006 3020
2007Returns a single value from the database 3021 # patch in the exptable
2008 3022 $facedata->{resource}{"res/exp_table"} = {
2009=item cf::db_put $family => $hashref 3023 type => FT_RSRC,
2010 3024 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2011Stores the given family hashref into the database. Updates are delayed, if
2012you want the data to be synced to disk immediately, use C<cf::db_sync>.
2013
2014=item cf::db_put $family => $key => $value
2015
2016Stores the given C<$value> in the family hash. Updates are delayed, if you
2017want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019=item cf::db_dirty
2020
2021Marks the database as dirty, to be updated at a later time.
2022
2023=item cf::db_sync
2024
2025Immediately write the database to disk I<if it is dirty>.
2026
2027=cut
2028
2029our $DB;
2030
2031{
2032 my $path = cf::localdir . "/database.pst";
2033
2034 sub db_load() {
2035 $DB = stat $path ? Storable::retrieve $path : { };
2036 }
2037
2038 my $pid;
2039
2040 sub db_save() {
2041 waitpid $pid, 0 if $pid;
2042 if (0 == ($pid = fork)) {
2043 $DB->{_meta}{version} = 1;
2044 Storable::nstore $DB, "$path~";
2045 rename "$path~", $path;
2046 cf::_exit 0 if defined $pid;
2047 }
2048 }
2049
2050 my $dirty;
2051
2052 sub db_sync() {
2053 db_save if $dirty;
2054 undef $dirty;
2055 }
2056
2057 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058 db_sync;
2059 }); 3025 };
3026 cf::cede_to_tick;
2060 3027
2061 sub db_dirty() {
2062 $dirty = 1;
2063 $idle->start;
2064 } 3028 {
3029 my $faces = $facedata->{faceinfo};
2065 3030
2066 sub db_get($;$) { 3031 while (my ($face, $info) = each %$faces) {
2067 @_ >= 2 3032 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068 ? $DB->{$_[0]}{$_[1]} 3033 cf::face::set_visibility $idx, $info->{visibility};
2069 : ($DB->{$_[0]} ||= { }) 3034 cf::face::set_magicmap $idx, $info->{magicmap};
2070 } 3035 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2071 3037
2072 sub db_put($$;$) { 3038 cf::cede_to_tick;
2073 if (@_ >= 3) {
2074 $DB->{$_[0]}{$_[1]} = $_[2];
2075 } else {
2076 $DB->{$_[0]} = $_[1];
2077 }
2078 db_dirty;
2079 }
2080
2081 cf::global->attach (
2082 prio => 10000,
2083 on_cleanup => sub {
2084 db_sync;
2085 }, 3039 }
2086 );
2087}
2088 3040
2089############################################################################# 3041 while (my ($face, $info) = each %$faces) {
2090# the server's main() 3042 next unless $info->{smooth};
3043 my $idx = cf::face::find $face
3044 or next;
3045 if (my $smooth = cf::face::find $info->{smooth}) {
3046 cf::face::set_smooth $idx, $smooth;
3047 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048 } else {
3049 warn "smooth face '$info->{smooth}' not found for face '$face'";
3050 }
2091 3051
2092sub cfg_load { 3052 cf::cede_to_tick;
3053 }
3054 }
3055
3056 {
3057 my $anims = $facedata->{animinfo};
3058
3059 while (my ($anim, $info) = each %$anims) {
3060 cf::anim::set $anim, $info->{frames}, $info->{facings};
3061 cf::cede_to_tick;
3062 }
3063
3064 cf::anim::invalidate_all; # d'oh
3065 }
3066
3067 {
3068 # TODO: for gcfclient pleasure, we should give resources
3069 # that gcfclient doesn't grok a >10000 face index.
3070 my $res = $facedata->{resource};
3071
3072 my $soundconf = delete $res->{"res/sound.conf"};
3073
3074 while (my ($name, $info) = each %$res) {
3075 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076 my $data;
3077
3078 if ($info->{type} & 1) {
3079 # prepend meta info
3080
3081 my $meta = $enc->encode ({
3082 name => $name,
3083 %{ $info->{meta} || {} },
3084 });
3085
3086 $data = pack "(w/a*)*", $meta, $info->{data};
3087 } else {
3088 $data = $info->{data};
3089 }
3090
3091 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092 cf::face::set_type $idx, $info->{type};
3093
3094 cf::cede_to_tick;
3095 }
3096
3097 if ($soundconf) {
3098 $soundconf = $enc->decode (delete $soundconf->{data});
3099
3100 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101 my $sound = $soundconf->{compat}[$_]
3102 or next;
3103
3104 my $face = cf::face::find "sound/$sound->[1]";
3105 cf::sound::set $sound->[0] => $face;
3106 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107 }
3108
3109 while (my ($k, $v) = each %{$soundconf->{event}}) {
3110 my $face = cf::face::find "sound/$v";
3111 cf::sound::set $k => $face;
3112 }
3113 }
3114 }
3115
3116 1
3117}
3118
3119register_exticmd fx_want => sub {
3120 my ($ns, $want) = @_;
3121
3122 while (my ($k, $v) = each %$want) {
3123 $ns->fx_want ($k, $v);
3124 }
3125};
3126
3127sub reload_regions {
3128 # HACK to clear player env face cache, we need some signal framework
3129 # for this (global event?)
3130 %ext::player_env::MUSIC_FACE_CACHE = ();
3131
3132 load_resource_file "$MAPDIR/regions"
3133 or die "unable to load regions file\n";
3134
3135 for (cf::region::list) {
3136 $_->{match} = qr/$_->{match}/
3137 if exists $_->{match};
3138 }
3139}
3140
3141sub reload_facedata {
3142 load_facedata "$DATADIR/facedata"
3143 or die "unable to load facedata\n";
3144}
3145
3146sub reload_archetypes {
3147 load_resource_file "$DATADIR/archetypes"
3148 or die "unable to load archetypes\n";
3149 #d# NEED to laod twice to resolve forward references
3150 # this really needs to be done in an extra post-pass
3151 # (which needs to be synchronous, so solve it differently)
3152 load_resource_file "$DATADIR/archetypes"
3153 or die "unable to load archetypes\n";
3154}
3155
3156sub reload_treasures {
3157 load_resource_file "$DATADIR/treasures"
3158 or die "unable to load treasurelists\n";
3159}
3160
3161sub reload_resources {
3162 warn "reloading resource files...\n";
3163
3164 reload_regions;
3165 reload_facedata;
3166 #reload_archetypes;#d#
3167 reload_archetypes;
3168 reload_treasures;
3169
3170 warn "finished reloading resource files\n";
3171}
3172
3173sub init {
3174 reload_resources;
3175}
3176
3177sub reload_config {
2093 open my $fh, "<:utf8", cf::confdir . "/config" 3178 open my $fh, "<:utf8", "$CONFDIR/config"
2094 or return; 3179 or return;
2095 3180
2096 local $/; 3181 local $/;
2097 *CFG = YAML::Syck::Load <$fh>; 3182 *CFG = YAML::Syck::Load <$fh>;
2098 3183
… …
2112 3197
2113sub main { 3198sub main {
2114 # we must not ever block the main coroutine 3199 # we must not ever block the main coroutine
2115 local $Coro::idle = sub { 3200 local $Coro::idle = sub {
2116 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202 (async {
3203 $Coro::current->{desc} = "IDLE BUG HANDLER";
2117 async { Event::one_event }; 3204 Event::one_event;
3205 })->prio (Coro::PRIO_MAX);
2118 }; 3206 };
2119 3207
2120 cfg_load; 3208 reload_config;
2121 db_load; 3209 db_init;
2122 load_extensions; 3210 load_extensions;
3211
3212 $TICK_WATCHER->start;
2123 Event::loop; 3213 Event::loop;
2124} 3214}
2125 3215
2126############################################################################# 3216#############################################################################
2127# initialisation 3217# initialisation and cleanup
2128 3218
3219# install some emergency cleanup handlers
3220BEGIN {
3221 for my $signal (qw(INT HUP TERM)) {
3222 Event->signal (
3223 reentrant => 0,
3224 data => WF_AUTOCANCEL,
3225 signal => $signal,
3226 prio => 0,
3227 cb => sub {
3228 cf::cleanup "SIG$signal";
3229 },
3230 );
3231 }
3232}
3233
3234sub write_runtime {
3235 my $runtime = "$LOCALDIR/runtime";
3236
3237 # first touch the runtime file to show we are still running:
3238 # the fsync below can take a very very long time.
3239
3240 IO::AIO::aio_utime $runtime, undef, undef;
3241
3242 my $guard = cf::lock_acquire "write_runtime";
3243
3244 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3245 or return;
3246
3247 my $value = $cf::RUNTIME + 90 + 10;
3248 # 10 is the runtime save interval, for a monotonic clock
3249 # 60 allows for the watchdog to kill the server.
3250
3251 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3252 and return;
3253
3254 # always fsync - this file is important
3255 aio_fsync $fh
3256 and return;
3257
3258 # touch it again to show we are up-to-date
3259 aio_utime $fh, undef, undef;
3260
3261 close $fh
3262 or return;
3263
3264 aio_rename "$runtime~", $runtime
3265 and return;
3266
3267 warn "runtime file written.\n";
3268
3269 1
3270}
3271
3272sub emergency_save() {
3273 my $freeze_guard = cf::freeze_mainloop;
3274
3275 warn "enter emergency perl save\n";
3276
3277 cf::sync_job {
3278 # use a peculiar iteration method to avoid tripping on perl
3279 # refcount bugs in for. also avoids problems with players
3280 # and maps saved/destroyed asynchronously.
3281 warn "begin emergency player save\n";
3282 for my $login (keys %cf::PLAYER) {
3283 my $pl = $cf::PLAYER{$login} or next;
3284 $pl->valid or next;
3285 $pl->save;
3286 }
3287 warn "end emergency player save\n";
3288
3289 warn "begin emergency map save\n";
3290 for my $path (keys %cf::MAP) {
3291 my $map = $cf::MAP{$path} or next;
3292 $map->valid or next;
3293 $map->save;
3294 }
3295 warn "end emergency map save\n";
3296
3297 warn "begin emergency database checkpoint\n";
3298 BDB::db_env_txn_checkpoint $DB_ENV;
3299 warn "end emergency database checkpoint\n";
3300 };
3301
3302 warn "leave emergency perl save\n";
3303}
3304
3305sub post_cleanup {
3306 my ($make_core) = @_;
3307
3308 warn Carp::longmess "post_cleanup backtrace"
3309 if $make_core;
3310}
3311
2129sub reload() { 3312sub do_reload_perl() {
2130 # can/must only be called in main 3313 # can/must only be called in main
2131 if ($Coro::current != $Coro::main) { 3314 if ($Coro::current != $Coro::main) {
2132 warn "can only reload from main coroutine\n"; 3315 warn "can only reload from main coroutine";
2133 return; 3316 return;
2134 } 3317 }
2135 3318
2136 warn "reloading..."; 3319 warn "reloading...";
2137 3320
2138 my $guard = freeze_mainloop; 3321 warn "entering sync_job";
3322
3323 cf::sync_job {
3324 cf::write_runtime; # external watchdog should not bark
2139 cf::emergency_save; 3325 cf::emergency_save;
3326 cf::write_runtime; # external watchdog should not bark
2140 3327
2141 eval { 3328 warn "syncing database to disk";
3329 BDB::db_env_txn_checkpoint $DB_ENV;
3330
2142 # if anything goes wrong in here, we should simply crash as we already saved 3331 # if anything goes wrong in here, we should simply crash as we already saved
2143 3332
2144 # cancel all watchers 3333 warn "cancelling all WF_AUTOCANCEL watchers";
2145 for (Event::all_watchers) { 3334 for (Event::all_watchers) {
2146 $_->cancel if $_->data & WF_AUTOCANCEL; 3335 $_->cancel if $_->data & WF_AUTOCANCEL;
2147 } 3336 }
2148 3337
3338 warn "flushing outstanding aio requests";
3339 for (;;) {
3340 BDB::flush;
3341 IO::AIO::flush;
3342 Coro::cede;
3343 last unless IO::AIO::nreqs || BDB::nreqs;
3344 warn "iterate...";
3345 }
3346
3347 ++$RELOAD;
3348
2149 # cancel all extension coros 3349 warn "cancelling all extension coros";
2150 $_->cancel for values %EXT_CORO; 3350 $_->cancel for values %EXT_CORO;
2151 %EXT_CORO = (); 3351 %EXT_CORO = ();
2152 3352
2153 # unload all extensions 3353 warn "removing commands";
2154 for (@exts) { 3354 %COMMAND = ();
3355
3356 warn "removing ext/exti commands";
3357 %EXTCMD = ();
3358 %EXTICMD = ();
3359
3360 warn "unloading/nuking all extensions";
3361 for my $pkg (@EXTS) {
2155 warn "unloading <$_>"; 3362 warn "... unloading $pkg";
2156 unload_extension $_; 3363
3364 if (my $cb = $pkg->can ("unload")) {
3365 eval {
3366 $cb->($pkg);
3367 1
3368 } or warn "$pkg unloaded, but with errors: $@";
2157 } 3369 }
2158 3370
3371 warn "... nuking $pkg";
3372 Symbol::delete_package $pkg;
3373 }
3374
2159 # unload all modules loaded from $LIBDIR 3375 warn "unloading all perl modules loaded from $LIBDIR";
2160 while (my ($k, $v) = each %INC) { 3376 while (my ($k, $v) = each %INC) {
2161 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3377 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162 3378
2163 warn "removing <$k>"; 3379 warn "... unloading $k";
2164 delete $INC{$k}; 3380 delete $INC{$k};
2165 3381
2166 $k =~ s/\.pm$//; 3382 $k =~ s/\.pm$//;
2167 $k =~ s/\//::/g; 3383 $k =~ s/\//::/g;
2168 3384
… …
2171 } 3387 }
2172 3388
2173 Symbol::delete_package $k; 3389 Symbol::delete_package $k;
2174 } 3390 }
2175 3391
2176 # sync database to disk
2177 cf::db_sync;
2178 IO::AIO::flush;
2179
2180 # get rid of safe::, as good as possible 3392 warn "getting rid of safe::, as good as possible";
2181 Symbol::delete_package "safe::$_" 3393 Symbol::delete_package "safe::$_"
2182 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3394 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183 3395
2184 # remove register_script_function callbacks
2185 # TODO
2186
2187 # unload cf.pm "a bit" 3396 warn "unloading cf.pm \"a bit\"";
2188 delete $INC{"cf.pm"}; 3397 delete $INC{"cf.pm"};
3398 delete $INC{"cf/pod.pm"};
2189 3399
2190 # don't, removes xs symbols, too, 3400 # don't, removes xs symbols, too,
2191 # and global variables created in xs 3401 # and global variables created in xs
2192 #Symbol::delete_package __PACKAGE__; 3402 #Symbol::delete_package __PACKAGE__;
2193 3403
2194 # reload cf.pm 3404 warn "unload completed, starting to reload now";
3405
2195 warn "reloading cf.pm"; 3406 warn "reloading cf.pm";
2196 require cf; 3407 require cf;
2197 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3408 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198 3409
2199 # load config and database again 3410 warn "loading config and database again";
2200 cf::cfg_load; 3411 cf::reload_config;
2201 cf::db_load;
2202 3412
2203 # load extensions
2204 warn "load extensions"; 3413 warn "loading extensions";
2205 cf::load_extensions; 3414 cf::load_extensions;
2206 3415
2207 # reattach attachments to objects 3416 warn "reattaching attachments to objects/players";
2208 warn "reattach"; 3417 _global_reattach; # objects, sockets
2209 _global_reattach; 3418 warn "reattaching attachments to maps";
2210 reattach $_ for values %MAP; 3419 reattach $_ for values %MAP;
2211 }; 3420 warn "reattaching attachments to players";
3421 reattach $_ for values %PLAYER;
2212 3422
2213 if ($@) { 3423 warn "leaving sync_job";
3424
3425 1
3426 } or do {
2214 warn $@; 3427 warn $@;
2215 warn "error while reloading, exiting."; 3428 warn "error while reloading, exiting.";
2216 exit 1; 3429 exit 1;
2217 } 3430 };
2218 3431
2219 warn "reloaded successfully"; 3432 warn "reloaded";
2220}; 3433};
2221 3434
2222############################################################################# 3435our $RELOAD_WATCHER; # used only during reload
2223 3436
2224unless ($LINK_MAP) { 3437sub reload_perl() {
2225 $LINK_MAP = cf::map::new; 3438 # doing reload synchronously and two reloads happen back-to-back,
3439 # coro crashes during coro_state_free->destroy here.
2226 3440
2227 $LINK_MAP->width (41); 3441 $RELOAD_WATCHER ||= Event->timer (
2228 $LINK_MAP->height (41); 3442 reentrant => 0,
2229 $LINK_MAP->alloc;
2230 $LINK_MAP->path ("{link}");
2231 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234 # dirty hack because... archetypes are not yet loaded
2235 Event->timer (
2236 after => 10, 3443 after => 0,
3444 data => WF_AUTOCANCEL,
2237 cb => sub { 3445 cb => sub {
2238 $_[0]->w->cancel; 3446 do_reload_perl;
2239 3447 undef $RELOAD_WATCHER;
2240 # provide some exits "home"
2241 my $exit = cf::object::new "exit";
2242
2243 $exit->slaying ($EMERGENCY_POSITION->[0]);
2244 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247 $LINK_MAP->insert ($exit->clone, 19, 19);
2248 $LINK_MAP->insert ($exit->clone, 19, 20);
2249 $LINK_MAP->insert ($exit->clone, 19, 21);
2250 $LINK_MAP->insert ($exit->clone, 20, 19);
2251 $LINK_MAP->insert ($exit->clone, 20, 21);
2252 $LINK_MAP->insert ($exit->clone, 21, 19);
2253 $LINK_MAP->insert ($exit->clone, 21, 20);
2254 $LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256 $exit->destroy;
2257 }); 3448 },
2258 3449 );
2259 $LINK_MAP->{deny_save} = 1;
2260 $LINK_MAP->{deny_reset} = 1;
2261
2262 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263} 3450}
2264
2265register "<global>", __PACKAGE__;
2266 3451
2267register_command "reload" => sub { 3452register_command "reload" => sub {
2268 my ($who, $arg) = @_; 3453 my ($who, $arg) = @_;
2269 3454
2270 if ($who->flag (FLAG_WIZ)) { 3455 if ($who->flag (FLAG_WIZ)) {
2271 $who->message ("start of reload.");
2272 reload;
2273 $who->message ("end of reload."); 3456 $who->message ("reloading server.");
3457 async {
3458 $Coro::current->{desc} = "perl_reload";
3459 reload_perl;
3460 };
2274 } 3461 }
2275}; 3462};
2276 3463
2277unshift @INC, $LIBDIR; 3464unshift @INC, $LIBDIR;
3465
3466my $bug_warning = 0;
3467
3468our @WAIT_FOR_TICK;
3469our @WAIT_FOR_TICK_BEGIN;
3470
3471sub wait_for_tick {
3472 return unless $TICK_WATCHER->is_active;
3473 return if $Coro::current == $Coro::main;
3474
3475 my $signal = new Coro::Signal;
3476 push @WAIT_FOR_TICK, $signal;
3477 $signal->wait;
3478}
3479
3480sub wait_for_tick_begin {
3481 return unless $TICK_WATCHER->is_active;
3482 return if $Coro::current == $Coro::main;
3483
3484 my $signal = new Coro::Signal;
3485 push @WAIT_FOR_TICK_BEGIN, $signal;
3486 $signal->wait;
3487}
2278 3488
2279$TICK_WATCHER = Event->timer ( 3489$TICK_WATCHER = Event->timer (
2280 reentrant => 0, 3490 reentrant => 0,
3491 parked => 1,
2281 prio => 0, 3492 prio => 0,
2282 at => $NEXT_TICK || $TICK, 3493 at => $NEXT_TICK || $TICK,
2283 data => WF_AUTOCANCEL, 3494 data => WF_AUTOCANCEL,
2284 cb => sub { 3495 cb => sub {
3496 if ($Coro::current != $Coro::main) {
3497 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3498 unless ++$bug_warning > 10;
3499 return;
3500 }
3501
3502 $NOW = $tick_start = Event::time;
3503
2285 cf::server_tick; # one server iteration 3504 cf::server_tick; # one server iteration
3505
2286 $RUNTIME += $TICK; 3506 $RUNTIME += $TICK;
2287 $NEXT_TICK += $TICK; 3507 $NEXT_TICK += $TICK;
2288 3508
3509 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3510 $NEXT_RUNTIME_WRITE = $NOW + 10;
3511 Coro::async_pool {
3512 $Coro::current->{desc} = "runtime saver";
3513 write_runtime
3514 or warn "ERROR: unable to write runtime file: $!";
3515 };
3516 }
3517
3518 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3519 $sig->send;
3520 }
3521 while (my $sig = shift @WAIT_FOR_TICK) {
3522 $sig->send;
3523 }
3524
3525 $NOW = Event::time;
3526
2289 # if we are delayed by four ticks or more, skip them all 3527 # if we are delayed by four ticks or more, skip them all
2290 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3528 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2291 3529
2292 $TICK_WATCHER->at ($NEXT_TICK); 3530 $TICK_WATCHER->at ($NEXT_TICK);
2293 $TICK_WATCHER->start; 3531 $TICK_WATCHER->start;
3532
3533 $LOAD = ($NOW - $tick_start) / $TICK;
3534 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3535
3536 _post_tick;
2294 }, 3537 },
2295); 3538);
2296 3539
3540{
3541 BDB::min_parallel 8;
2297IO::AIO::max_poll_time $TICK * 0.2; 3542 BDB::max_poll_time $TICK * 0.1;
2298 3543 $BDB_POLL_WATCHER = Event->io (
2299Event->io ( 3544 reentrant => 0,
2300 fd => IO::AIO::poll_fileno, 3545 fd => BDB::poll_fileno,
2301 poll => 'r', 3546 poll => 'r',
2302 prio => 5, 3547 prio => 0,
2303 data => WF_AUTOCANCEL,
2304 cb => \&IO::AIO::poll_cb,
2305);
2306
2307Event->timer (
2308 data => WF_AUTOCANCEL, 3548 data => WF_AUTOCANCEL,
3549 cb => \&BDB::poll_cb,
3550 );
3551
3552 BDB::set_sync_prepare {
3553 my $status;
3554 my $current = $Coro::current;
3555 (
3556 sub {
3557 $status = $!;
3558 $current->ready; undef $current;
3559 },
3560 sub {
3561 Coro::schedule while defined $current;
3562 $! = $status;
3563 },
3564 )
3565 };
3566
3567 unless ($DB_ENV) {
3568 $DB_ENV = BDB::db_env_create;
3569 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3570 | BDB::LOG_AUTOREMOVE, 1);
3571 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3572 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3573
3574 cf::sync_job {
3575 eval {
3576 BDB::db_env_open
3577 $DB_ENV,
3578 $BDBDIR,
3579 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3580 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3581 0666;
3582
3583 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3584 };
3585
3586 cf::cleanup "db_env_open(db): $@" if $@;
3587 };
3588 }
3589
3590 $BDB_DEADLOCK_WATCHER = Event->timer (
2309 after => 0, 3591 after => 3,
2310 interval => 10, 3592 interval => 1,
3593 hard => 1,
3594 prio => 0,
3595 data => WF_AUTOCANCEL,
2311 cb => sub { 3596 cb => sub {
2312 (Coro::unblock_sub { 3597 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2313 write_runtime 3598 },
2314 or warn "ERROR: unable to write runtime file: $!"; 3599 );
3600 $BDB_CHECKPOINT_WATCHER = Event->timer (
3601 after => 11,
3602 interval => 60,
3603 hard => 1,
3604 prio => 0,
3605 data => WF_AUTOCANCEL,
3606 cb => sub {
3607 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3608 },
3609 );
3610 $BDB_TRICKLE_WATCHER = Event->timer (
3611 after => 5,
3612 interval => 10,
3613 hard => 1,
3614 prio => 0,
3615 data => WF_AUTOCANCEL,
3616 cb => sub {
3617 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3618 },
3619 );
3620}
3621
3622{
3623 IO::AIO::min_parallel 8;
3624
3625 undef $Coro::AIO::WATCHER;
3626 IO::AIO::max_poll_time $TICK * 0.1;
3627 $AIO_POLL_WATCHER = Event->io (
3628 reentrant => 0,
3629 data => WF_AUTOCANCEL,
3630 fd => IO::AIO::poll_fileno,
3631 poll => 'r',
3632 prio => 0,
3633 cb => \&IO::AIO::poll_cb,
3634 );
3635}
3636
3637my $_log_backtrace;
3638
3639sub _log_backtrace {
3640 my ($msg, @addr) = @_;
3641
3642 $msg =~ s/\n//;
3643
3644 # limit the # of concurrent backtraces
3645 if ($_log_backtrace < 2) {
3646 ++$_log_backtrace;
3647 async {
3648 $Coro::current->{desc} = "abt $msg";
3649
3650 my @bt = fork_call {
3651 @addr = map { sprintf "%x", $_ } @addr;
3652 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3653 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3654 or die "addr2line: $!";
3655
3656 my @funcs;
3657 my @res = <$fh>;
3658 chomp for @res;
3659 while (@res) {
3660 my ($func, $line) = splice @res, 0, 2, ();
3661 push @funcs, "[$func] $line";
3662 }
3663
3664 @funcs
3665 };
3666
3667 LOG llevInfo, "[ABT] $msg\n";
3668 LOG llevInfo, "[ABT] $_\n" for @bt;
3669 --$_log_backtrace;
2315 })->(); 3670 };
3671 } else {
3672 LOG llevInfo, "[ABT] $msg\n";
3673 LOG llevInfo, "[ABT] [suppressed]\n";
2316 }, 3674 }
2317); 3675}
3676
3677# load additional modules
3678use cf::pod;
2318 3679
2319END { cf::emergency_save } 3680END { cf::emergency_save }
2320 3681
23211 36821
2322 3683

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines