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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.61 ();
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;
19 24
25use JSON::XS 1.4 ();
20use BDB (); 26use BDB ();
21use Data::Dumper; 27use Data::Dumper;
22use Digest::MD5; 28use Digest::MD5;
23use Fcntl; 29use Fcntl;
30use YAML::Syck ();
24use IO::AIO 2.32 (); 31use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 32use Time::HiRes;
27use Compress::LZF; 33use Compress::LZF;
34use Digest::MD5 ();
28 35
36# configure various modules to our taste
37#
38$Storable::canonical = 1; # reduce rsync transfers
39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 41
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 42$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 43
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
37 46
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 48
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50
40our %COMMAND = (); 51our %COMMAND = ();
41our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
42 53
43our @EXTS = (); # list of extension package names 54our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 57our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 58our %EXT_MAP = (); # pluggable maps
47 59
60our $RELOAD; # number of reloads so far
48our @EVENT; 61our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 62
51our $TICK = MAX_TIME * 1e-6; 63our $CONFDIR = confdir;
64our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db";
74
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 76our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 77our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 79our $NEXT_TICK;
56our $NOW; 80our $NOW;
65our $RUNTIME; 89our $RUNTIME;
66 90
67our %PLAYER; # all users 91our %PLAYER; # all users
68our %MAP; # all maps 92our %MAP; # all maps
69our $LINK_MAP; # the special {link} map, which is always available 93our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 94
76# used to convert map paths into valid unix filenames by replacing / by ∕ 95# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 97
98our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing
100our $tick_start; # for load detecting purposes
101
79binmode STDOUT; 102binmode STDOUT;
80binmode STDERR; 103binmode STDERR;
81 104
82# read virtual server time, if available 105# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 106unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 107 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 108 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 109 $RUNTIME = <$fh> + 0.;
87} 110}
88 111
89mkdir cf::localdir; 112mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 114
96our $EMERGENCY_POSITION; 115our $EMERGENCY_POSITION;
97 116
98sub cf::map::normalise; 117sub cf::map::normalise;
99 118
110=item $cf::RUNTIME 129=item $cf::RUNTIME
111 130
112The time this server has run, starts at 0 and is increased by $cf::TICK on 131The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 132every server tick.
114 133
115=item $cf::LIBDIR 134=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 137
117The perl library directory, where extensions and cf-specific modules can 138Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 139directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140unique-items directory, player file directory, random maps directory and
141database environment.
119 142
120=item $cf::NOW 143=item $cf::NOW
121 144
122The time of the last (current) server tick. 145The time of the last (current) server tick.
123 146
124=item $cf::TICK 147=item $cf::TICK
125 148
126The interval between server ticks, in seconds. 149The interval between server ticks, in seconds.
150
151=item $cf::LOADAVG
152
153The current CPU load on the server (alpha-smoothed), as a value between 0
154(none) and 1 (overloaded), indicating how much time is spent on processing
155objects per tick. Healthy values are < 0.5.
156
157=item $cf::LOAD
158
159The raw value load value from the last tick.
127 160
128=item %cf::CFG 161=item %cf::CFG
129 162
130Configuration for the server, loaded from C</etc/crossfire/config>, or 163Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 164from wherever your confdir points to.
132 165
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 166=item cf::wait_for_tick, cf::wait_for_tick_begin
134 167
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 169returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 170per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 171
172=item @cf::INVOKE_RESULTS
173
174This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call.
139 177
140=back 178=back
141 179
142=cut 180=cut
143 181
144BEGIN { 182BEGIN {
145 *CORE::GLOBAL::warn = sub { 183 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 184 my $msg = join "", @_;
147 utf8::encode $msg;
148 185
149 $msg .= "\n" 186 $msg .= "\n"
150 unless $msg =~ /\n$/; 187 unless $msg =~ /\n$/;
151 188
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190
191 utf8::encode $msg;
152 LOG llevError, $msg; 192 LOG llevError, $msg;
153 }; 193 };
154} 194}
155 195
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 200@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
201@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 202@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 203
163# we bless all objects into (empty) derived classes to force a method lookup 204# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 205# within the Safe compartment.
165for my $pkg (qw( 206for my $pkg (qw(
166 cf::global cf::attachable 207 cf::global cf::attachable
174} 215}
175 216
176$Event::DIED = sub { 217$Event::DIED = sub {
177 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
178}; 219};
220
221#############################################################################
179 222
180=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
181 224
182=over 4 225=over 4
183 226
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 246 $d
204 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
205} 248}
206 249
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
210 251
211Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
212 253
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
221 255
222Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
223 257
224=cut 258=cut
225 259
226sub to_json($) { 260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 261
228 JSON::Syck::Dump $_[0] 262sub to_json ($) { $json_coder->encode ($_[0]) }
229} 263sub from_json ($) { $json_coder->decode ($_[0]) }
230 264
231=item cf::lock_wait $string 265=item cf::lock_wait $string
232 266
233Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
234 268
240returned. 274returned.
241 275
242Lock names should begin with a unique identifier (for example, cf::map::find 276Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 277uses map_find and cf::map::load uses map_load).
244 278
279=item $locked = cf::lock_active $string
280
281Return true if the lock is currently active, i.e. somebody has locked it.
282
245=cut 283=cut
246 284
247our %LOCK; 285our %LOCK;
248 286
249sub lock_wait($) { 287sub lock_wait($) {
266 304
267 Coro::guard { 305 Coro::guard {
268 # wake up all waiters, to be on the safe side 306 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 307 $_->ready for @{ delete $LOCK{$key} };
270 } 308 }
309}
310
311sub lock_active($) {
312 my ($key) = @_;
313
314 ! ! $LOCK{$key}
271} 315}
272 316
273sub freeze_mainloop { 317sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 318 return unless $TICK_WATCHER->is_active;
275 319
278 }; 322 };
279 $TICK_WATCHER->stop; 323 $TICK_WATCHER->stop;
280 $guard 324 $guard
281} 325}
282 326
327=item cf::get_slot $time[, $priority[, $name]]
328
329Allocate $time seconds of blocking CPU time at priority C<$priority>:
330This call blocks and returns only when you have at least C<$time> seconds
331of cpu time till the next tick. The slot is only valid till the next cede.
332
333The optional C<$name> can be used to identify the job to run. It might be
334used for statistical purposes and should identify the same time-class.
335
336Useful for short background jobs.
337
338=cut
339
340our @SLOT_QUEUE;
341our $SLOT_QUEUE;
342
343$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async {
345 my $signal = new Coro::Signal;
346
347 while () {
348 next_job:
349 my $avail = cf::till_tick;
350 if ($avail > 0.01) {
351 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) {
353 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send;
355 Coro::cede;
356 goto next_job;
357 }
358 }
359 }
360
361 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait;
365 } else {
366 Coro::schedule;
367 }
368 }
369};
370
371sub get_slot($;$$) {
372 my ($time, $pri, $name) = @_;
373
374 $time = $TICK * .6 if $time > $TICK * .6;
375 my $sig = new Coro::Signal;
376
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready;
380 $sig->wait;
381}
382
283=item cf::async { BLOCK } 383=item cf::async { BLOCK }
284 384
285Currently the same as Coro::async_pool, meaning you cannot use 385Currently the same as Coro::async_pool, meaning you cannot use
286C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 386C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287thing you are allowed to do is call C<prio> on it. 387thing you are allowed to do is call C<prio> on it.
290 390
291BEGIN { *async = \&Coro::async_pool } 391BEGIN { *async = \&Coro::async_pool }
292 392
293=item cf::sync_job { BLOCK } 393=item cf::sync_job { BLOCK }
294 394
295The design of crossfire+ requires that the main coro ($Coro::main) is 395The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 396is always able to handle events or runnable, as Crossfire TRT is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable.
298 399
299If it must be done, put the blocking parts into C<sync_job>. This will run 400If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 401the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 402server will be frozen during this time, so the block should either finish
302fast or be very important. 403fast or be very important.
305 406
306sub sync_job(&) { 407sub sync_job(&) {
307 my ($job) = @_; 408 my ($job) = @_;
308 409
309 if ($Coro::current == $Coro::main) { 410 if ($Coro::current == $Coro::main) {
411 my $time = Event::time;
412
310 # this is the main coro, too bad, we have to block 413 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 414 # till the operation succeeds, freezing the server :/
312 415
313 # TODO: use suspend/resume instead 416 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 417 # (but this is cancel-safe)
325 428
326 while ($busy) { 429 while ($busy) {
327 Coro::cede or Event::one_event; 430 Coro::cede or Event::one_event;
328 } 431 }
329 432
433 $time = Event::time - $time;
434
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load
439
330 wantarray ? @res : $res[0] 440 wantarray ? @res : $res[0]
331 } else { 441 } else {
332 # we are in another coroutine, how wonderful, everything just works 442 # we are in another coroutine, how wonderful, everything just works
333 443
334 $job->() 444 $job->()
353 $EXT_CORO{$coro+0} = $coro; 463 $EXT_CORO{$coro+0} = $coro;
354 464
355 $coro 465 $coro
356} 466}
357 467
358sub write_runtime { 468=item fork_call { }, $args
359 my $guard = cf::lock_acquire "write_runtime";
360 469
361 my $runtime = cf::localdir . "/runtime"; 470Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling.
362 474
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 475=cut
364 or return;
365 476
366 my $value = $cf::RUNTIME + 90 + 10; 477sub _store_scalar {
367 # 10 is the runtime save interval, for a monotonic clock 478 open my $fh, ">", \my $buf
368 # 60 allows for the watchdog to kill the server. 479 or die "fork_call: cannot open fh-to-buf in child : $!";
369 480 Storable::store_fd $_[0], $fh;
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0
371 and return;
372
373 # always fsync - this file is important
374 aio_fsync $fh
375 and return;
376
377 close $fh 481 close $fh;
378 or return;
379 482
380 aio_rename "$runtime~", $runtime 483 $buf
381 and return; 484}
382 485
486sub fork_call(&@) {
487 my ($cb, @args) = @_;
488
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
490# or die "socketpair: $!";
491 pipe my $fh1, my $fh2
492 or die "pipe: $!";
493
494 if (my $pid = fork) {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
383 1 527 }
528}
529
530=item $value = cf::db_get $family => $key
531
532Returns a single value from the environment database.
533
534=item cf::db_put $family => $key => $value
535
536Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538
539=cut
540
541our $DB;
542
543sub db_init {
544 unless ($DB) {
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558}
559
560sub db_get($$) {
561 my $key = "$_[0]/$_[1]";
562
563 cf::sync_job {
564 BDB::db_get $DB, undef, $key, my $data;
565
566 $! ? ()
567 : $data
568 }
569}
570
571sub db_put($$$) {
572 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
574}
575
576=item cf::cache $id => [$paths...], $processversion => $process
577
578Generic caching function that returns the value of the resource $id,
579caching and regenerating as required.
580
581This function can block.
582
583=cut
584
585sub cache {
586 my ($id, $src, $processversion, $process) = @_;
587
588 my $meta =
589 join "\x00",
590 $processversion,
591 map {
592 aio_stat $_
593 and Carp::croak "$_: $!";
594
595 ($_, (stat _)[7,9])
596 } @$src;
597
598 my $dbmeta = db_get cache => "$id/meta";
599 if ($dbmeta ne $meta) {
600 # changed, we may need to process
601
602 my @data;
603 my $md5;
604
605 for (0 .. $#$src) {
606 0 <= aio_load $src->[$_], $data[$_]
607 or Carp::croak "$src->[$_]: $!";
608 }
609
610 # if processing is expensive, check
611 # checksum first
612 if (1) {
613 $md5 =
614 join "\x00",
615 $processversion,
616 map {
617 Coro::cede;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src;
620
621
622 my $dbmd5 = db_get cache => "$id/md5";
623 if ($dbmd5 eq $md5) {
624 db_put cache => "$id/meta", $meta;
625
626 return db_get cache => "$id/data";
627 }
628 }
629
630 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time;
633
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
635
636 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta;
639
640 return $data;
641 }
642
643 db_get cache => "$id/data"
644}
645
646=item cf::datalog type => key => value, ...
647
648Log a datalog packet of the given type with the given key-value pairs.
649
650=cut
651
652sub datalog($@) {
653 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 655}
385 656
386=back 657=back
387 658
388=cut 659=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 666attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 667to it. All such attachable objects support the following methods.
397 668
398In the following description, CLASS can be any of C<global>, C<object> 669In the following description, CLASS can be any of C<global>, C<object>
399C<player>, C<client> or C<map> (i.e. the attachable objects in 670C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 671Crossfire TRT).
401 672
402=over 4 673=over 4
403 674
404=item $attachable->attach ($attachment, key => $value...) 675=item $attachable->attach ($attachment, key => $value...)
405 676
568 $registry = $CB_TYPE[$object_type] ||= []; 839 $registry = $CB_TYPE[$object_type] ||= [];
569 840
570 } elsif ($type eq "subtype") { 841 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 842 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 843 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 844 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 845
575 } elsif ($type eq "package") { 846 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 847 my $pkg = shift @arg;
577 848
578 while (my ($name, $id) = each %cb_id) { 849 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 878 _attach $registry, $klass, @attach;
608 } 879 }
609 880
610 $obj->{$name} = \%arg; 881 $obj->{$name} = \%arg;
611 } else { 882 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 883 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 884 }
614 885
615 $obj->{_attachment}{$name} = undef; 886 $obj->{_attachment}{$name} = undef;
616} 887}
617 888
619 if (ref $_[0]) { 890 if (ref $_[0]) {
620 _object_attach @_; 891 _object_attach @_;
621 } else { 892 } else {
622 _attach shift->_attach_registry, @_; 893 _attach shift->_attach_registry, @_;
623 } 894 }
895 _recalc_want;
624}; 896};
625 897
626# all those should be optimised 898# all those should be optimised
627sub cf::attachable::detach { 899sub cf::attachable::detach {
628 my ($obj, $name) = @_; 900 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 903 delete $obj->{_attachment}{$name};
632 reattach ($obj); 904 reattach ($obj);
633 } else { 905 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 906 Carp::croak "cannot, currently, detach class attachments";
635 } 907 }
908 _recalc_want;
636}; 909};
637 910
638sub cf::attachable::attached { 911sub cf::attachable::attached {
639 my ($obj, $name) = @_; 912 my ($obj, $name) = @_;
640 913
655 "; 928 ";
656 die if $@; 929 die if $@;
657} 930}
658 931
659our $override; 932our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 933our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 934
662sub override { 935sub override {
663 $override = 1; 936 $override = 1;
664 @invoke_results = (); 937 @INVOKE_RESULTS = (@_);
665} 938}
666 939
667sub do_invoke { 940sub do_invoke {
668 my $event = shift; 941 my $event = shift;
669 my $callbacks = shift; 942 my $callbacks = shift;
670 943
671 @invoke_results = (); 944 @INVOKE_RESULTS = ();
672 945
673 local $override; 946 local $override;
674 947
675 for (@$callbacks) { 948 for (@$callbacks) {
676 eval { &{$_->[1]} }; 949 eval { &{$_->[1]} };
693 966
694Generate an object-specific event with the given arguments. 967Generate an object-specific event with the given arguments.
695 968
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 969This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697removed in future versions), and there is no public API to access override 970removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 971results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 972
700=back 973=back
701 974
702=cut 975=cut
703 976
704############################################################################# 977#############################################################################
705# object support 978# object support
979#
980
981sub _can_merge {
982 my ($ob1, $ob2) = @_;
983
984 local $Storable::canonical = 1;
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987
988 $fob1 eq $fob2
989}
706 990
707sub reattach { 991sub reattach {
708 # basically do the same as instantiate, without calling instantiate 992 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 993 my ($obj) = @_;
710 994
813 or return; 1097 or return;
814 $av = eval { (Storable::thaw $av)->{objs} }; 1098 $av = eval { (Storable::thaw $av)->{objs} };
815 } 1099 }
816 1100
817 warn sprintf "loading %s (%d)\n", 1101 warn sprintf "loading %s (%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1102 $filename, length $data, scalar @{$av || []};
819 return ($data, $av); 1103 return ($data, $av);
820} 1104}
1105
1106=head2 COMMAND CALLBACKS
1107
1108=over 4
1109
1110=cut
821 1111
822############################################################################# 1112#############################################################################
823# command handling &c 1113# command handling &c
824 1114
825=item cf::register_command $name => \&callback($ob,$args); 1115=item cf::register_command $name => \&callback($ob,$args);
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1128 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1129}
840 1130
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1131=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1132
843Register a callbackf ro execution when the client sends an extcmd packet. 1133Register a callback for execution when the client sends an (synchronous)
1134extcmd packet. Ext commands will be processed in the order they are
1135received by the server, like other user commands. The first argument is
1136the logged-in player. Ext commands can only be processed after a player
1137has logged in successfully.
844 1138
845If the callback returns something, it is sent back as if reply was being 1139If the callback returns something, it is sent back as if reply was being
846called. 1140called.
847 1141
1142=item cf::register_exticmd $name => \&callback($ns,$packet);
1143
1144Register a callback for execution when the client sends an (asynchronous)
1145exticmd packet. Exti commands are processed by the server as soon as they
1146are received, i.e. out of order w.r.t. other commands. The first argument
1147is a client socket. Exti commands can be received anytime, even before
1148log-in.
1149
1150If the callback returns something, it is sent back as if reply was being
1151called.
1152
848=cut 1153=cut
849 1154
850sub register_extcmd { 1155sub register_extcmd {
851 my ($name, $cb) = @_; 1156 my ($name, $cb) = @_;
852 1157
853 $EXTCMD{$name} = $cb; 1158 $EXTCMD{$name} = $cb;
1159}
1160
1161sub register_exticmd {
1162 my ($name, $cb) = @_;
1163
1164 $EXTICMD{$name} = $cb;
854} 1165}
855 1166
856cf::player->attach ( 1167cf::player->attach (
857 on_command => sub { 1168 on_command => sub {
858 my ($pl, $name, $params) = @_; 1169 my ($pl, $name, $params) = @_;
867 cf::override; 1178 cf::override;
868 }, 1179 },
869 on_extcmd => sub { 1180 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1181 my ($pl, $buf) = @_;
871 1182
872 my $msg = eval { from_json $buf }; 1183 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1184
874 if (ref $msg) { 1185 if (ref $msg) {
1186 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg
1188 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1191 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1192 my @reply = $cb->($pl, @payload);
1193
877 $pl->ext_reply ($msg->{msgid}, %reply); 1194 $pl->ext_reply ($reply, @reply)
878 } 1195 if $reply;
879 } 1196 }
880 } else { 1197 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1199 }
883 1200
884 cf::override; 1201 cf::override;
885 }, 1202 },
886); 1203);
887 1204
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 1205sub load_extensions {
1206 cf::sync_job {
1207 my %todo;
1208
923 for my $ext (<$LIBDIR/*.ext>) { 1209 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1210 next unless -r $path;
925 eval { 1211
926 load_extension $ext; 1212 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1213 my $base = $1;
1214 my $pkg = $1;
1215 $pkg =~ s/[^[:word:]]/_/g;
1216 $pkg = "ext::$pkg";
1217
1218 open my $fh, "<:utf8", $path
1219 or die "$path: $!";
1220
1221 my $source = do { local $/; <$fh> };
1222
1223 my %ext = (
1224 path => $path,
1225 base => $base,
1226 pkg => $pkg,
1227 );
1228
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231
1232 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n"
1234 . "#line 1 \"$path\"\n{\n"
1235 . $source
1236 . "\n};\n1";
1237
1238 $todo{$base} = \%ext;
1239 }
1240
1241 my %done;
1242 while (%todo) {
1243 my $progress;
1244
1245 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip
1248 unless exists $done{$_};
1249 }
1250
1251 warn "... loading '$k' into '$v->{pkg}'\n";
1252
1253 unless (eval $v->{source}) {
1254 my $msg = $@ ? "$v->{path}: $@\n"
1255 : "$v->{base}: extension inactive.\n";
1256
1257 if (exists $v->{meta}{mandatory}) {
1258 warn $msg;
1259 warn "mandatory extension failed to load, exiting.\n";
1260 exit 1;
1261 }
1262
1263 warn $msg;
1264 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
927 1 1269 }
928 } or warn "$ext not loaded: $@"; 1270
1271 skip:
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1273 unless $progress;
1274 }
929 } 1275 };
930} 1276}
931 1277
932############################################################################# 1278#############################################################################
933 1279
1280=back
1281
934=head2 CORE EXTENSIONS 1282=head2 CORE EXTENSIONS
935 1283
936Functions and methods that extend core crossfire objects. 1284Functions and methods that extend core crossfire objects.
937 1285
938=cut 1286=cut
950Returns the given player object, loading it if necessary (might block). 1298Returns the given player object, loading it if necessary (might block).
951 1299
952=cut 1300=cut
953 1301
954sub playerdir($) { 1302sub playerdir($) {
955 cf::localdir 1303 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1304 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1305}
961 1306
962sub path($) { 1307sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1308 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1309
965 (playerdir $login) . "/$login.pl" 1310 (playerdir $login) . "/playerdata"
966} 1311}
967 1312
968sub find_active($) { 1313sub find_active($) {
969 $cf::PLAYER{$_[0]} 1314 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1315 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1328 my $login = $_[0];
984 1329
985 my $guard = cf::lock_acquire "user_find:$login"; 1330 my $guard = cf::lock_acquire "user_find:$login";
986 1331
987 $cf::PLAYER{$_[0]} || do { 1332 $cf::PLAYER{$_[0]} || do {
1333 # rename old playerfiles to new ones
1334 #TODO: remove when no longer required
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl";
1339
988 my $pl = load_pl path $login 1340 my $pl = load_pl path $login
989 or return; 1341 or return;
990 $cf::PLAYER{$login} = $pl 1342 $cf::PLAYER{$login} = $pl
991 } 1343 }
992 } 1344 }
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP; 1406 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055 1407
1056 IO::AIO::aio_rmtree $temp; 1408 IO::AIO::aio_rmtree $temp;
1057} 1409}
1058 1410
1411=item $pl->kick
1412
1413Kicks a player out of the game. This destroys the connection.
1414
1415=cut
1416
1417sub kick {
1418 my ($pl, $kicker) = @_;
1419
1420 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1421 $pl->killer ("kicked");
1422 $pl->ns->destroy;
1423}
1424
1059=item cf::player::list_logins 1425=item cf::player::list_logins
1060 1426
1061Returns am arrayref of all valid playernames in the system, can take a 1427Returns am arrayref of all valid playernames in the system, can take a
1062while and may block, so not sync_job-capable, ever. 1428while and may block, so not sync_job-capable, ever.
1063 1429
1064=cut 1430=cut
1065 1431
1066sub list_logins { 1432sub list_logins {
1067 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1433 my $dirs = aio_readdir $PLAYERDIR
1068 or return []; 1434 or return [];
1069 1435
1070 my @logins; 1436 my @logins;
1071 1437
1072 for my $login (@$dirs) { 1438 for my $login (@$dirs) {
1107 } 1473 }
1108 1474
1109 \@paths 1475 \@paths
1110} 1476}
1111 1477
1478=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1479
1480Expand crossfire pod fragments into protocol xml.
1481
1482=cut
1483
1484sub expand_cfpod {
1485 ((my $self), (local $_)) = @_;
1486
1487 # escape & and <
1488 s/&/&amp;/g;
1489 s/(?<![BIUGH])</&lt;/g;
1490
1491 # this is buggy, it needs to properly take care of nested <'s
1492
1493 1 while
1494 # replace B<>, I<>, U<> etc.
1495 s/B<([^\>]*)>/<b>$1<\/b>/
1496 || s/I<([^\>]*)>/<i>$1<\/i>/
1497 || s/U<([^\>]*)>/<u>$1<\/u>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527
1112=item $player->ext_reply ($msgid, $msgtype, %msg) 1528=item $player->ext_reply ($msgid, @msg)
1113 1529
1114Sends an ext reply to the player. 1530Sends an ext reply to the player.
1115 1531
1116=cut 1532=cut
1117 1533
1118sub ext_reply($$$%) { 1534sub ext_reply($$@) {
1119 my ($self, $id, %msg) = @_; 1535 my ($self, $id, @msg) = @_;
1120 1536
1121 $msg{msgid} = $id; 1537 if ($self->ns->extcmd == 2) {
1122 1538 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1123 $self->send ("ext " . cf::to_json \%msg); 1539 } elsif ($self->ns->extcmd == 1) {
1540 #TODO: version 1, remove
1541 unshift @msg, msgtype => "reply", msgid => $id;
1542 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543 }
1124} 1544}
1125 1545
1126package cf; 1546=item $player->ext_msg ($type, @msg)
1547
1548Sends an ext event to the client.
1549
1550=cut
1551
1552sub ext_msg($$@) {
1553 my ($self, $type, @msg) = @_;
1554
1555 $self->ns->ext_msg ($type, @msg);
1556}
1557
1558=head3 cf::region
1559
1560=over 4
1561
1562=cut
1563
1564package cf::region;
1565
1566=item cf::region::find_by_path $path
1567
1568Tries to decuce the likely region for a map knowing only its path.
1569
1570=cut
1571
1572sub find_by_path($) {
1573 my ($path) = @_;
1574
1575 my ($match, $specificity);
1576
1577 for my $region (list) {
1578 if ($region->{match} && $path =~ $region->{match}) {
1579 ($match, $specificity) = ($region, $region->specificity)
1580 if $region->specificity > $specificity;
1581 }
1582 }
1583
1584 $match
1585}
1127 1586
1128=back 1587=back
1129
1130 1588
1131=head3 cf::map 1589=head3 cf::map
1132 1590
1133=over 4 1591=over 4
1134 1592
1189 my ($self, $merge) = @_; 1647 my ($self, $merge) = @_;
1190 1648
1191 # we have to keep some variables in memory intact 1649 # we have to keep some variables in memory intact
1192 local $self->{path}; 1650 local $self->{path};
1193 local $self->{load_path}; 1651 local $self->{load_path};
1194 local $self->{deny_save};
1195 local $self->{deny_reset};
1196 1652
1197 $self->SUPER::thawer_merge ($merge); 1653 $self->SUPER::thawer_merge ($merge);
1198} 1654}
1199 1655
1200sub normalise { 1656sub normalise {
1247 $self->init; # pass $1 etc. 1703 $self->init; # pass $1 etc.
1248 return $self; 1704 return $self;
1249 } 1705 }
1250 } 1706 }
1251 1707
1252 Carp::carp "unable to resolve path '$path' (base '$base')."; 1708 Carp::cluck "unable to resolve path '$path' (base '$base').";
1253 () 1709 ()
1254} 1710}
1255 1711
1256sub init { 1712sub init {
1257 my ($self) = @_; 1713 my ($self) = @_;
1272 1728
1273# the original (read-only) location 1729# the original (read-only) location
1274sub load_path { 1730sub load_path {
1275 my ($self) = @_; 1731 my ($self) = @_;
1276 1732
1277 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1733 "$MAPDIR/$self->{path}.map"
1278} 1734}
1279 1735
1280# the temporary/swap location 1736# the temporary/swap location
1281sub save_path { 1737sub save_path {
1282 my ($self) = @_; 1738 my ($self) = @_;
1283 1739
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1740 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1741 "$TMPDIR/$path.map"
1286} 1742}
1287 1743
1288# the unique path, undef == no special unique path 1744# the unique path, undef == no special unique path
1289sub uniq_path { 1745sub uniq_path {
1290 my ($self) = @_; 1746 my ($self) = @_;
1291 1747
1292 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1748 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1749 "$UNIQUEDIR/$path"
1294} 1750}
1295 1751
1296# and all this just because we cannot iterate over 1752# and all this just because we cannot iterate over
1297# all maps in C++... 1753# all maps in C++...
1298sub change_all_map_light { 1754sub change_all_map_light {
1299 my ($change) = @_; 1755 my ($change) = @_;
1300 1756
1301 $_->change_map_light ($change) 1757 $_->change_map_light ($change)
1302 for grep $_->outdoor, values %cf::MAP; 1758 for grep $_->outdoor, values %cf::MAP;
1759}
1760
1761sub decay_objects {
1762 my ($self) = @_;
1763
1764 return if $self->{deny_reset};
1765
1766 $self->do_decay_objects;
1303} 1767}
1304 1768
1305sub unlink_save { 1769sub unlink_save {
1306 my ($self) = @_; 1770 my ($self) = @_;
1307 1771
1365 $self->load_header_orig 1829 $self->load_header_orig
1366 or return; 1830 or return;
1367 $self->prepare_orig; 1831 $self->prepare_orig;
1368 } 1832 }
1369 1833
1834 $self->{deny_reset} = 1
1835 if $self->no_reset;
1836
1837 $self->default_region (cf::region::find_by_path $self->{path})
1838 unless $self->default_region;
1839
1370 1 1840 1
1371} 1841}
1372 1842
1373sub find; 1843sub find;
1374sub find { 1844sub find {
1386 $map->{last_save} = $cf::RUNTIME; 1856 $map->{last_save} = $cf::RUNTIME;
1387 1857
1388 $map->load_header 1858 $map->load_header
1389 or return; 1859 or return;
1390 1860
1391 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1861 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392 # doing this can freeze the server in a sync job, obviously 1862 # doing this can freeze the server in a sync job, obviously
1393 #$cf::WAIT_FOR_TICK->wait; 1863 #$cf::WAIT_FOR_TICK->wait;
1394 $map->reset; 1864 $map->reset;
1395 undef $guard; 1865 undef $guard;
1396 return find $path; 1866 return find $path;
1407 my ($self) = @_; 1877 my ($self) = @_;
1408 1878
1409 local $self->{deny_reset} = 1; # loading can take a long time 1879 local $self->{deny_reset} = 1; # loading can take a long time
1410 1880
1411 my $path = $self->{path}; 1881 my $path = $self->{path};
1882
1883 {
1412 my $guard = cf::lock_acquire "map_load:$path"; 1884 my $guard = cf::lock_acquire "map_load:$path";
1413 1885
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1886 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1887
1416 $self->in_memory (cf::MAP_LOADING); 1888 $self->in_memory (cf::MAP_LOADING);
1417 1889
1418 $self->alloc; 1890 $self->alloc;
1419 1891
1420 $self->pre_load; 1892 $self->pre_load;
1421
1422 $self->_load_objects ($self->{load_path}, 1)
1423 or return;
1424
1425 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426 if delete $self->{load_original};
1427
1428 if (my $uniq = $self->uniq_path) {
1429 utf8::encode $uniq;
1430 if (aio_open $uniq, O_RDONLY, 0) {
1431 $self->clear_unique_items;
1432 $self->_load_objects ($uniq, 0);
1433 }
1434 }
1435
1436 Coro::cede;
1437
1438 # now do the right thing for maps
1439 $self->link_multipart_objects;
1440
1441 unless ($self->{deny_activate}) {
1442 $self->decay_objects;
1443 $self->fix_auto_apply;
1444 $self->update_buttons;
1445 Coro::cede; 1893 Coro::cede;
1446 $self->set_darkness_map; 1894
1895 $self->_load_objects ($self->{load_path}, 1)
1896 or return;
1897
1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1899 if delete $self->{load_original};
1900
1901 if (my $uniq = $self->uniq_path) {
1902 utf8::encode $uniq;
1903 if (aio_open $uniq, O_RDONLY, 0) {
1904 $self->clear_unique_items;
1905 $self->_load_objects ($uniq, 0);
1906 }
1907 }
1908
1909 Coro::cede;
1910 # now do the right thing for maps
1911 $self->link_multipart_objects;
1447 $self->difficulty ($self->estimate_difficulty) 1912 $self->difficulty ($self->estimate_difficulty)
1448 unless $self->difficulty; 1913 unless $self->difficulty;
1449 Coro::cede; 1914 Coro::cede;
1915
1916 unless ($self->{deny_activate}) {
1917 $self->decay_objects;
1918 $self->fix_auto_apply;
1919 $self->update_buttons;
1920 Coro::cede;
1921 $self->set_darkness_map;
1922 Coro::cede;
1450 $self->activate; 1923 $self->activate;
1924 }
1925
1926 $self->in_memory (cf::MAP_IN_MEMORY);
1451 } 1927 }
1452 1928
1453 $self->post_load; 1929 $self->post_load;
1454
1455 $self->in_memory (cf::MAP_IN_MEMORY);
1456} 1930}
1457 1931
1458sub customise_for { 1932sub customise_for {
1459 my ($self, $ob) = @_; 1933 my ($self, $ob) = @_;
1460 1934
1461 return find "~" . $ob->name . "/" . $self->{path} 1935 return find "~" . $ob->name . "/" . $self->{path}
1462 if $self->per_player; 1936 if $self->per_player;
1937
1938# return find "?party/" . $ob->name . "/" . $self->{path}
1939# if $self->per_party;
1463 1940
1464 $self 1941 $self
1465} 1942}
1466 1943
1467# find and load all maps in the 3x3 area around a map 1944# find and load all maps in the 3x3 area around a map
1514 1991
1515 undef $MAP_PREFETCH{$path}; 1992 undef $MAP_PREFETCH{$path};
1516 $MAP_PREFETCHER ||= cf::async { 1993 $MAP_PREFETCHER ||= cf::async {
1517 while (%MAP_PREFETCH) { 1994 while (%MAP_PREFETCH) {
1518 for my $path (keys %MAP_PREFETCH) { 1995 for my $path (keys %MAP_PREFETCH) {
1519 my $map = find $path 1996 if (my $map = find $path) {
1520 or next;
1521 $map->load; 1997 $map->load;
1998 }
1522 1999
1523 delete $MAP_PREFETCH{$path}; 2000 delete $MAP_PREFETCH{$path};
1524 } 2001 }
1525 } 2002 }
1526 undef $MAP_PREFETCHER; 2003 undef $MAP_PREFETCHER;
1578 2055
1579sub reset_at { 2056sub reset_at {
1580 my ($self) = @_; 2057 my ($self) = @_;
1581 2058
1582 # TODO: safety, remove and allow resettable per-player maps 2059 # TODO: safety, remove and allow resettable per-player maps
1583 return 1e99 if $self->isa ("ext::map_per_player");#d#
1584 return 1e99 if $self->{deny_reset}; 2060 return 1e99 if $self->{deny_reset};
1585 2061
1586 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2062 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2063 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588 2064
1599 my ($self) = @_; 2075 my ($self) = @_;
1600 2076
1601 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2077 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 2078
1603 return if $self->players; 2079 return if $self->players;
1604 return if $self->isa ("ext::map_per_player");#d#
1605 2080
1606 warn "resetting map ", $self->path;#d# 2081 warn "resetting map ", $self->path;
1607 2082
1608 $self->in_memory (cf::MAP_SWAPPED); 2083 $self->in_memory (cf::MAP_SWAPPED);
1609 2084
1610 # need to save uniques path 2085 # need to save uniques path
1611 unless ($self->{deny_save}) { 2086 unless ($self->{deny_save}) {
1643 $cf::MAP{$self->path} = $self; 2118 $cf::MAP{$self->path} = $self;
1644 2119
1645 $self->reset; # polite request, might not happen 2120 $self->reset; # polite request, might not happen
1646} 2121}
1647 2122
2123=item $maps = cf::map::tmp_maps
2124
2125Returns an arrayref with all map paths of currently instantiated and saved
2126maps. May block.
2127
2128=cut
2129
2130sub tmp_maps() {
2131 [
2132 map {
2133 utf8::decode $_;
2134 /\.map$/
2135 ? normalise $_
2136 : ()
2137 } @{ aio_readdir $TMPDIR or [] }
2138 ]
2139}
2140
2141=item $maps = cf::map::random_maps
2142
2143Returns an arrayref with all map paths of currently instantiated and saved
2144random maps. May block.
2145
2146=cut
2147
2148sub random_maps() {
2149 [
2150 map {
2151 utf8::decode $_;
2152 /\.map$/
2153 ? normalise "?random/$_"
2154 : ()
2155 } @{ aio_readdir $RANDOMDIR or [] }
2156 ]
2157}
2158
1648=item cf::map::unique_maps 2159=item cf::map::unique_maps
1649 2160
1650Returns an arrayref of paths of all shared maps that have 2161Returns an arrayref of paths of all shared maps that have
1651instantiated unique items. May block. 2162instantiated unique items. May block.
1652 2163
1653=cut 2164=cut
1654 2165
1655sub unique_maps() { 2166sub unique_maps() {
1656 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2167 [
1657 or return; 2168 map {
1658
1659 my @paths;
1660
1661 for (@$files) {
1662 utf8::decode $_; 2169 utf8::decode $_;
1663 next if /\.pst$/; 2170 /\.map$/
1664 next unless /^$PATH_SEP/o; 2171 ? normalise $_
1665 2172 : ()
1666 push @paths, cf::map::normalise $_; 2173 } @{ aio_readdir $UNIQUEDIR or [] }
1667 } 2174 ]
1668
1669 \@paths
1670} 2175}
1671 2176
1672package cf; 2177package cf;
1673 2178
1674=back 2179=back
1720 2225
1721 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2226 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722 2227
1723 if ($self->{record_replies}) { 2228 if ($self->{record_replies}) {
1724 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2229 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2230
1725 } else { 2231 } else {
2232 my $pl = $self->contr;
2233
2234 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2235 my $dialog = $pl->{npc_dialog};
2236 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237
2238 } else {
1726 $msg = $npc->name . " says: $msg" if $npc; 2239 $msg = $npc->name . " says: $msg" if $npc;
1727 $self->message ($msg, $flags); 2240 $self->message ($msg, $flags);
2241 }
1728 } 2242 }
1729} 2243}
1730 2244
1731=item $player_object->may ("access") 2245=item $player_object->may ("access")
1732 2246
1780 $self->deactivate_recursive; 2294 $self->deactivate_recursive;
1781 2295
1782 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2296 return if UNIVERSAL::isa $self->map, "ext::map_link";
1783 2297
1784 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2298 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785 if $self->map; 2299 if $self->map && $self->map->{path} ne "{link}";
1786 2300
1787 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2301 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1788} 2302}
1789 2303
1790sub cf::object::player::leave_link { 2304sub cf::object::player::leave_link {
1791 my ($self, $map, $x, $y) = @_; 2305 my ($self, $map, $x, $y) = @_;
2306
2307 return unless $self->contr->active;
1792 2308
1793 my $link_pos = delete $self->{_link_pos}; 2309 my $link_pos = delete $self->{_link_pos};
1794 2310
1795 unless ($map) { 2311 unless ($map) {
1796 # restore original map position 2312 # restore original map position
1819 2335
1820 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2336 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821 $self->enter_map ($map, $x, $y); 2337 $self->enter_map ($map, $x, $y);
1822} 2338}
1823 2339
1824cf::player->attach ( 2340=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1825 on_logout => sub {
1826 my ($pl) = @_;
1827 2341
1828 # abort map switching before logout 2342Moves the player to the given map-path and coordinates by first freezing
1829 if ($pl->ob->{_link_pos}) { 2343her, loading and preparing them map, calling the provided $check callback
1830 cf::sync_job { 2344that has to return the map if sucecssful, and then unfreezes the player on
1831 $pl->ob->leave_link 2345the new (success) or old (failed) map position. In either case, $done will
1832 }; 2346be called at the end of this process.
1833 }
1834 },
1835 on_login => sub {
1836 my ($pl) = @_;
1837 2347
1838 # try to abort aborted map switching on player login :)
1839 # should happen only on crashes
1840 if ($pl->ob->{_link_pos}) {
1841 $pl->ob->enter_link;
1842 (async {
1843 $pl->ob->reply (undef,
1844 "There was an internal problem at your last logout, "
1845 . "the server will try to bring you to your intended destination in a second.",
1846 cf::NDI_RED);
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1849 Coro::Timer::sleep 1;
1850 $pl->ob->leave_link;
1851 })->prio (2);
1852 }
1853 },
1854);
1855
1856=item $player_object->goto ($path, $x, $y)
1857
1858=cut 2348=cut
2349
2350our $GOTOGEN;
1859 2351
1860sub cf::object::player::goto { 2352sub cf::object::player::goto {
1861 my ($self, $path, $x, $y) = @_; 2353 my ($self, $path, $x, $y, $check, $done) = @_;
2354
2355 # do generation counting so two concurrent goto's will be executed in-order
2356 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862 2357
1863 $self->enter_link; 2358 $self->enter_link;
1864 2359
1865 (async { 2360 (async {
1866 my $map = eval { 2361 my $map = eval {
1867 my $map = cf::map::find $path; 2362 my $map = cf::map::find $path;
2363
2364 if ($map) {
1868 $map = $map->customise_for ($self) if $map; 2365 $map = $map->customise_for ($self);
2366 $map = $check->($map) if $check && $map;
2367 } else {
2368 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2369 }
2370
1869 $map 2371 $map
2372 };
2373
2374 if ($@) {
2375 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2376 LOG llevError | logBacktrace, Carp::longmess $@;
1870 } or 2377 }
1871 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872 2378
2379 if ($gen == $self->{_goto_generation}) {
2380 delete $self->{_goto_generation};
1873 $self->leave_link ($map, $x, $y); 2381 $self->leave_link ($map, $x, $y);
2382 }
2383
2384 $done->() if $done;
1874 })->prio (1); 2385 })->prio (1);
1875} 2386}
1876 2387
1877=item $player_object->enter_exit ($exit_object) 2388=item $player_object->enter_exit ($exit_object)
1878 2389
1917 2428
1918 $rmp->{random_seed} ||= $exit->random_seed; 2429 $rmp->{random_seed} ||= $exit->random_seed;
1919 2430
1920 my $data = cf::to_json $rmp; 2431 my $data = cf::to_json $rmp;
1921 my $md5 = Digest::MD5::md5_hex $data; 2432 my $md5 = Digest::MD5::md5_hex $data;
1922 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2433 my $meta = "$RANDOMDIR/$md5.meta";
1923 2434
1924 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2435 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925 aio_write $fh, 0, (length $data), $data, 0; 2436 aio_write $fh, 0, (length $data), $data, 0;
1926 undef $fh; 2437 undef $fh;
1927 aio_rename "$meta~", $meta; 2438 aio_rename "$meta~", $meta;
1936 2447
1937 return unless $self->type == cf::PLAYER; 2448 return unless $self->type == cf::PLAYER;
1938 2449
1939 if ($exit->slaying eq "/!") { 2450 if ($exit->slaying eq "/!") {
1940 #TODO: this should de-fi-ni-te-ly not be a sync-job 2451 #TODO: this should de-fi-ni-te-ly not be a sync-job
2452 # the problem is that $exit might not survive long enough
2453 # so it needs to be done right now, right here
1941 cf::sync_job { prepare_random_map $exit }; 2454 cf::sync_job { prepare_random_map $exit };
1942 } 2455 }
1943 2456
1944 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2457 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945 my $hp = $exit->stats->hp; 2458 my $hp = $exit->stats->hp;
1946 my $sp = $exit->stats->sp; 2459 my $sp = $exit->stats->sp;
1947 2460
1948 $self->enter_link; 2461 $self->enter_link;
2462
2463 # if exit is damned, update players death & WoR home-position
2464 $self->contr->savebed ($slaying, $hp, $sp)
2465 if $exit->flag (FLAG_DAMNED);
1949 2466
1950 (async { 2467 (async {
1951 $self->deactivate_recursive; # just to be sure 2468 $self->deactivate_recursive; # just to be sure
1952 unless (eval { 2469 unless (eval {
1953 $self->goto ($slaying, $hp, $sp); 2470 $self->goto ($slaying, $hp, $sp);
1954 2471
1955 1; 2472 1;
1956 }) { 2473 }) {
1957 $self->message ("Something went wrong deep within the crossfire server. " 2474 $self->message ("Something went wrong deep within the crossfire server. "
1958 . "I'll try to bring you back to the map you were before. " 2475 . "I'll try to bring you back to the map you were before. "
1959 . "Please report this to the dungeon master!", 2476 . "Please report this to the dungeon master!",
1960 cf::NDI_UNIQUE | cf::NDI_RED); 2477 cf::NDI_UNIQUE | cf::NDI_RED);
1961 2478
1962 warn "ERROR in enter_exit: $@"; 2479 warn "ERROR in enter_exit: $@";
1963 $self->leave_link; 2480 $self->leave_link;
1964 } 2481 }
1965 })->prio (1); 2482 })->prio (1);
1978 2495
1979sub cf::client::send_drawinfo { 2496sub cf::client::send_drawinfo {
1980 my ($self, $text, $flags) = @_; 2497 my ($self, $text, $flags) = @_;
1981 2498
1982 utf8::encode $text; 2499 utf8::encode $text;
1983 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2500 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984} 2501}
1985 2502
2503=item $client->send_msg ($channel, $msg, $color, [extra...])
2504
2505Send a drawinfo or msg packet to the client, formatting the msg for the
2506client if neccessary. C<$type> should be a string identifying the type of
2507the message, with C<log> being the default. If C<$color> is negative, suppress
2508the message unless the client supports the msg packet.
2509
2510=cut
2511
2512sub cf::client::send_msg {
2513 my ($self, $channel, $msg, $color, @extra) = @_;
2514
2515 $msg = $self->pl->expand_cfpod ($msg);
2516
2517 $color &= ~cf::NDI_UNIQUE; # just in case...
2518
2519 if (ref $channel) {
2520 # send meta info to client, if not yet sent
2521 unless (exists $self->{channel}{$channel->{id}}) {
2522 $self->{channel}{$channel->{id}} = $channel;
2523 $self->ext_msg (channel_info => $channel);
2524 }
2525
2526 $channel = $channel->{id};
2527 }
2528
2529 return unless @extra || length $msg;
2530
2531 if ($self->can_msg) {
2532 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2533 } else {
2534 # replace some tags by gcfclient-compatible ones
2535 for ($msg) {
2536 1 while
2537 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542 }
2543
2544 if ($color >= 0) {
2545 if (0 && $msg =~ /\[/) {
2546 $self->send_packet ("drawextinfo $color 4 0 $msg")
2547 } else {
2548 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2549 $self->send_packet ("drawinfo $color $msg")
2550 }
2551 }
2552 }
2553}
2554
2555=item $client->ext_msg ($type, @msg)
2556
2557Sends an ext event to the client.
2558
2559=cut
2560
2561sub cf::client::ext_msg($$@) {
2562 my ($self, $type, @msg) = @_;
2563
2564 my $extcmd = $self->extcmd;
2565
2566 if ($extcmd == 2) {
2567 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568 } elsif ($extcmd == 1) { # TODO: remove
2569 push @msg, msgtype => "event_$type";
2570 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571 }
2572}
1986 2573
1987=item $success = $client->query ($flags, "text", \&cb) 2574=item $success = $client->query ($flags, "text", \&cb)
1988 2575
1989Queues a query to the client, calling the given callback with 2576Queues a query to the client, calling the given callback with
1990the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2577the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2578C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992 2579
1993Queries can fail, so check the return code. Or don't, as queries will become 2580Queries can fail, so check the return code. Or don't, as queries will
1994reliable at some point in the future. 2581become reliable at some point in the future.
1995 2582
1996=cut 2583=cut
1997 2584
1998sub cf::client::query { 2585sub cf::client::query {
1999 my ($self, $flags, $text, $cb) = @_; 2586 my ($self, $flags, $text, $cb) = @_;
2007 utf8::encode $text; 2594 utf8::encode $text;
2008 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2595 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009 2596
2010 $self->send_packet ($self->{query_queue}[0][0]) 2597 $self->send_packet ($self->{query_queue}[0][0])
2011 if @{ $self->{query_queue} } == 1; 2598 if @{ $self->{query_queue} } == 1;
2599
2600 1
2012} 2601}
2013 2602
2014cf::client->attach ( 2603cf::client->attach (
2604 on_connect => sub {
2605 my ($ns) = @_;
2606
2607 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2608 },
2015 on_reply => sub { 2609 on_reply => sub {
2016 my ($ns, $msg) = @_; 2610 my ($ns, $msg) = @_;
2017 2611
2018 # this weird shuffling is so that direct followup queries 2612 # this weird shuffling is so that direct followup queries
2019 # get handled first 2613 # get handled first
2031 } else { 2625 } else {
2032 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2626 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033 } 2627 }
2034 } 2628 }
2035 }, 2629 },
2630 on_exticmd => sub {
2631 my ($ns, $buf) = @_;
2632
2633 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634
2635 if (ref $msg) {
2636 my ($type, $reply, @payload) =
2637 "ARRAY" eq ref $msg
2638 ? @$msg
2639 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640
2641 if (my $cb = $EXTICMD{$type}) {
2642 my @reply = $cb->($ns, @payload);
2643
2644 $ns->ext_reply ($reply, @reply)
2645 if $reply;
2646 }
2647 } else {
2648 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649 }
2650
2651 cf::override;
2652 },
2036); 2653);
2037 2654
2038=item $client->async (\&cb) 2655=item $client->async (\&cb)
2039 2656
2040Create a new coroutine, running the specified callback. The coroutine will 2657Create a new coroutine, running the specified callback. The coroutine will
2087 2704
2088# here we export the classes and methods available to script code 2705# here we export the classes and methods available to script code
2089 2706
2090=pod 2707=pod
2091 2708
2092The following fucntions and emthods are available within a safe environment: 2709The following functions and methods are available within a safe environment:
2093 2710
2094 cf::object contr pay_amount pay_player map 2711 cf::object
2712 contr pay_amount pay_player map x y force_find force_add
2713 insert remove
2714
2095 cf::object::player player 2715 cf::object::player
2096 cf::player peaceful 2716 player
2097 cf::map trigger 2717
2718 cf::player
2719 peaceful
2720
2721 cf::map
2722 trigger
2098 2723
2099=cut 2724=cut
2100 2725
2101for ( 2726for (
2102 ["cf::object" => qw(contr pay_amount pay_player map)], 2727 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728 insert remove)],
2103 ["cf::object::player" => qw(player)], 2729 ["cf::object::player" => qw(player)],
2104 ["cf::player" => qw(peaceful)], 2730 ["cf::player" => qw(peaceful)],
2105 ["cf::map" => qw(trigger)], 2731 ["cf::map" => qw(trigger)],
2106) { 2732) {
2107 no strict 'refs'; 2733 no strict 'refs';
2178=back 2804=back
2179 2805
2180=cut 2806=cut
2181 2807
2182############################################################################# 2808#############################################################################
2183
2184=head2 EXTENSION DATABASE SUPPORT
2185
2186Crossfire maintains a very simple database for extension use. It can
2187currently store anything that can be serialised using Storable, which
2188excludes objects.
2189
2190The parameter C<$family> should best start with the name of the extension
2191using it, it should be unique.
2192
2193=over 4
2194
2195=item $value = cf::db_get $family => $key
2196
2197Returns a single value from the database.
2198
2199=item cf::db_put $family => $key => $value
2200
2201Stores the given C<$value> in the family.
2202
2203=cut
2204
2205our $DB;
2206
2207sub db_init {
2208 unless ($DB) {
2209 $DB = BDB::db_create $DB_ENV;
2210
2211 cf::sync_job {
2212 eval {
2213 $DB->set_flags (BDB::CHKSUM);
2214
2215 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217 cf::cleanup "db_open(db): $!" if $!;
2218 };
2219 cf::cleanup "db_open(db): $@" if $@;
2220 };
2221
2222 my $path = cf::localdir . "/database.pst";
2223 if (stat $path) {
2224 cf::sync_job {
2225 my $pst = Storable::retrieve $path;
2226
2227 cf::db_put (board => data => $pst->{board});
2228 cf::db_put (guildrules => data => $pst->{guildrules});
2229 cf::db_put (rent => balance => $pst->{rent}{balance});
2230 BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232 unlink $path;
2233 };
2234 }
2235 }
2236}
2237
2238sub db_get($$) {
2239 my $key = "$_[0]/$_[1]";
2240
2241 cf::sync_job {
2242 BDB::db_get $DB, undef, $key, my $data;
2243
2244 $! ? ()
2245 : Compress::LZF::sthaw $data
2246 }
2247}
2248
2249sub db_put($$$) {
2250 BDB::dbreq_pri 4;
2251 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252}
2253
2254#############################################################################
2255# the server's init and main functions 2809# the server's init and main functions
2256 2810
2257sub init_resources { 2811sub load_facedata($) {
2258 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2812 my ($path) = @_;
2813
2814 warn "loading facedata from $path\n";
2815
2816 my $facedata;
2817 0 < aio_load $path, $facedata
2818 or die "$path: $!";
2819
2820 $facedata = Coro::Storable::thaw $facedata;
2821
2822 $facedata->{version} == 2
2823 or cf::cleanup "$path: version mismatch, cannot proceed.";
2824
2825 {
2826 my $faces = $facedata->{faceinfo};
2827
2828 while (my ($face, $info) = each %$faces) {
2829 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2830 cf::face::set_visibility $idx, $info->{visibility};
2831 cf::face::set_magicmap $idx, $info->{magicmap};
2832 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2833 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2834
2835 cf::cede_to_tick;
2836 }
2837
2838 while (my ($face, $info) = each %$faces) {
2839 next unless $info->{smooth};
2840 my $idx = cf::face::find $face
2841 or next;
2842 if (my $smooth = cf::face::find $info->{smooth}) {
2843 cf::face::set_smooth $idx, $smooth;
2844 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845 } else {
2846 warn "smooth face '$info->{smooth}' not found for face '$face'";
2847 }
2848
2849 cf::cede_to_tick;
2850 }
2851 }
2852
2853 {
2854 my $anims = $facedata->{animinfo};
2855
2856 while (my ($anim, $info) = each %$anims) {
2857 cf::anim::set $anim, $info->{frames}, $info->{facings};
2858 cf::cede_to_tick;
2859 }
2860
2861 cf::anim::invalidate_all; # d'oh
2862 }
2863
2864 {
2865 # TODO: for gcfclient pleasure, we should give resources
2866 # that gcfclient doesn't grok a >10000 face index.
2867 my $res = $facedata->{resource};
2868 my $enc = JSON::XS->new->utf8->canonical;
2869
2870 my $soundconf = delete $res->{"res/sound.conf"};
2871
2872 while (my ($name, $info) = each %$res) {
2873 my $meta = $enc->encode ({
2874 name => $name,
2875 %{ $info->{meta} || {} },
2876 });
2877
2878 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879
2880 if ($info->{type} & 1) {
2881 # prepend meta info
2882
2883 my $data = pack "(w/a*)*", $meta, $info->{data};
2884 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886 cf::face::set_data $idx, 0, $data, $chk;
2887 } else {
2888 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
2889 }
2890
2891 cf::face::set_type $idx, $info->{type};
2892
2893 cf::cede_to_tick;
2894 }
2895
2896 if ($soundconf) {
2897 $soundconf = $enc->decode (delete $soundconf->{data});
2898
2899 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900 my $sound = $soundconf->{compat}[$_]
2901 or next;
2902
2903 my $face = cf::face::find "sound/$sound->[1]";
2904 warn "$sound->[0]: $face\n";#d#
2905
2906 cf::sound::set $sound->[0] => $face;
2907 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908 }
2909
2910 #TODO
2911 }
2912 }
2913
2914 1
2915}
2916
2917register_exticmd fx_want => sub {
2918 my ($ns, $want) = @_;
2919
2920 while (my ($k, $v) = each %$want) {
2921 $ns->fx_want ($k, $v);
2922 }
2923};
2924
2925sub reload_regions {
2926 load_resource_file "$MAPDIR/regions"
2259 or die "unable to load regions file\n";#d# 2927 or die "unable to load regions file\n";
2928
2929 for (cf::region::list) {
2930 $_->{match} = qr/$_->{match}/
2931 if exists $_->{match};
2932 }
2933}
2934
2935sub reload_facedata {
2936 load_facedata "$DATADIR/facedata"
2937 or die "unable to load facedata\n";
2938}
2939
2940sub reload_archetypes {
2941 load_resource_file "$DATADIR/archetypes"
2942 or die "unable to load archetypes\n";
2943 #d# NEED to laod twice to resolve forward references
2944 # this really needs to be done in an extra post-pass
2945 # (which needs to be synchronous, so solve it differently)
2946 load_resource_file "$DATADIR/archetypes"
2947 or die "unable to load archetypes\n";
2948}
2949
2950sub reload_treasures {
2951 load_resource_file "$DATADIR/treasures"
2952 or die "unable to load treasurelists\n";
2953}
2954
2955sub reload_resources {
2956 warn "reloading resource files...\n";
2957
2958 reload_regions;
2959 reload_facedata;
2960 #reload_archetypes;#d#
2961 reload_archetypes;
2962 reload_treasures;
2963
2964 warn "finished reloading resource files\n";
2965}
2966
2967sub init {
2968 reload_resources;
2260} 2969}
2261 2970
2262sub cfg_load { 2971sub cfg_load {
2263 open my $fh, "<:utf8", cf::confdir . "/config" 2972 open my $fh, "<:utf8", "$CONFDIR/config"
2264 or return; 2973 or return;
2265 2974
2266 local $/; 2975 local $/;
2267 *CFG = YAML::Syck::Load <$fh>; 2976 *CFG = YAML::Syck::Load <$fh>;
2268 2977
2276 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2985 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277 and die "WARNING: m(un)lockall failed: $!\n"; 2986 and die "WARNING: m(un)lockall failed: $!\n";
2278 }; 2987 };
2279 warn $@ if $@; 2988 warn $@ if $@;
2280 } 2989 }
2281}
2282
2283sub init {
2284 init_resources;
2285} 2990}
2286 2991
2287sub main { 2992sub main {
2288 # we must not ever block the main coroutine 2993 # we must not ever block the main coroutine
2289 local $Coro::idle = sub { 2994 local $Coro::idle = sub {
2317 }, 3022 },
2318 ); 3023 );
2319 } 3024 }
2320} 3025}
2321 3026
3027sub write_runtime {
3028 my $runtime = "$LOCALDIR/runtime";
3029
3030 # first touch the runtime file to show we are still running:
3031 # the fsync below can take a very very long time.
3032
3033 IO::AIO::aio_utime $runtime, undef, undef;
3034
3035 my $guard = cf::lock_acquire "write_runtime";
3036
3037 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3038 or return;
3039
3040 my $value = $cf::RUNTIME + 90 + 10;
3041 # 10 is the runtime save interval, for a monotonic clock
3042 # 60 allows for the watchdog to kill the server.
3043
3044 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3045 and return;
3046
3047 # always fsync - this file is important
3048 aio_fsync $fh
3049 and return;
3050
3051 # touch it again to show we are up-to-date
3052 aio_utime $fh, undef, undef;
3053
3054 close $fh
3055 or return;
3056
3057 aio_rename "$runtime~", $runtime
3058 and return;
3059
3060 warn "runtime file written.\n";
3061
3062 1
3063}
3064
2322sub emergency_save() { 3065sub emergency_save() {
2323 my $freeze_guard = cf::freeze_mainloop; 3066 my $freeze_guard = cf::freeze_mainloop;
2324 3067
2325 warn "enter emergency perl save\n"; 3068 warn "enter emergency perl save\n";
2326 3069
2357 3100
2358 warn Carp::longmess "post_cleanup backtrace" 3101 warn Carp::longmess "post_cleanup backtrace"
2359 if $make_core; 3102 if $make_core;
2360} 3103}
2361 3104
2362sub reload() { 3105sub do_reload_perl() {
2363 # can/must only be called in main 3106 # can/must only be called in main
2364 if ($Coro::current != $Coro::main) { 3107 if ($Coro::current != $Coro::main) {
2365 warn "can only reload from main coroutine"; 3108 warn "can only reload from main coroutine";
2366 return; 3109 return;
2367 } 3110 }
2392 Coro::cede; 3135 Coro::cede;
2393 last unless IO::AIO::nreqs || BDB::nreqs; 3136 last unless IO::AIO::nreqs || BDB::nreqs;
2394 warn "iterate..."; 3137 warn "iterate...";
2395 } 3138 }
2396 3139
3140 ++$RELOAD;
3141
2397 warn "cancelling all extension coros"; 3142 warn "cancelling all extension coros";
2398 $_->cancel for values %EXT_CORO; 3143 $_->cancel for values %EXT_CORO;
2399 %EXT_CORO = (); 3144 %EXT_CORO = ();
2400 3145
2401 warn "removing commands"; 3146 warn "removing commands";
2402 %COMMAND = (); 3147 %COMMAND = ();
2403 3148
2404 warn "removing ext commands"; 3149 warn "removing ext/exti commands";
2405 %EXTCMD = (); 3150 %EXTCMD = ();
3151 %EXTICMD = ();
2406 3152
2407 warn "unloading/nuking all extensions"; 3153 warn "unloading/nuking all extensions";
2408 for my $pkg (@EXTS) { 3154 for my $pkg (@EXTS) {
2409 warn "... unloading $pkg"; 3155 warn "... unloading $pkg";
2410 3156
2440 Symbol::delete_package "safe::$_" 3186 Symbol::delete_package "safe::$_"
2441 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3187 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442 3188
2443 warn "unloading cf.pm \"a bit\""; 3189 warn "unloading cf.pm \"a bit\"";
2444 delete $INC{"cf.pm"}; 3190 delete $INC{"cf.pm"};
3191 delete $INC{"cf/pod.pm"};
2445 3192
2446 # don't, removes xs symbols, too, 3193 # don't, removes xs symbols, too,
2447 # and global variables created in xs 3194 # and global variables created in xs
2448 #Symbol::delete_package __PACKAGE__; 3195 #Symbol::delete_package __PACKAGE__;
2449 3196
2458 3205
2459 warn "loading extensions"; 3206 warn "loading extensions";
2460 cf::load_extensions; 3207 cf::load_extensions;
2461 3208
2462 warn "reattaching attachments to objects/players"; 3209 warn "reattaching attachments to objects/players";
2463 _global_reattach; 3210 _global_reattach; # objects, sockets
2464 warn "reattaching attachments to maps"; 3211 warn "reattaching attachments to maps";
2465 reattach $_ for values %MAP; 3212 reattach $_ for values %MAP;
2466 3213 warn "reattaching attachments to players";
2467 warn "loading reloadable resources"; 3214 reattach $_ for values %PLAYER;
2468 init_resources;
2469 3215
2470 warn "leaving sync_job"; 3216 warn "leaving sync_job";
2471 3217
2472 1 3218 1
2473 } or do { 3219 } or do {
2479 warn "reloaded"; 3225 warn "reloaded";
2480}; 3226};
2481 3227
2482our $RELOAD_WATCHER; # used only during reload 3228our $RELOAD_WATCHER; # used only during reload
2483 3229
3230sub reload_perl() {
3231 # doing reload synchronously and two reloads happen back-to-back,
3232 # coro crashes during coro_state_free->destroy here.
3233
3234 $RELOAD_WATCHER ||= Event->timer (
3235 reentrant => 0,
3236 after => 0,
3237 data => WF_AUTOCANCEL,
3238 cb => sub {
3239 do_reload_perl;
3240 undef $RELOAD_WATCHER;
3241 },
3242 );
3243}
3244
2484register_command "reload" => sub { 3245register_command "reload" => sub {
2485 my ($who, $arg) = @_; 3246 my ($who, $arg) = @_;
2486 3247
2487 if ($who->flag (FLAG_WIZ)) { 3248 if ($who->flag (FLAG_WIZ)) {
2488 $who->message ("reloading server."); 3249 $who->message ("reloading server.");
2489 3250 async { reload_perl };
2490 # doing reload synchronously and two reloads happen back-to-back,
2491 # coro crashes during coro_state_free->destroy here.
2492
2493 $RELOAD_WATCHER ||= Event->timer (
2494 reentrant => 0,
2495 after => 0,
2496 data => WF_AUTOCANCEL,
2497 cb => sub {
2498 reload;
2499 undef $RELOAD_WATCHER;
2500 },
2501 );
2502 } 3251 }
2503}; 3252};
2504 3253
2505unshift @INC, $LIBDIR; 3254unshift @INC, $LIBDIR;
2506 3255
2507my $bug_warning = 0; 3256my $bug_warning = 0;
2508 3257
3258our @WAIT_FOR_TICK;
3259our @WAIT_FOR_TICK_BEGIN;
3260
3261sub wait_for_tick {
3262 return unless $TICK_WATCHER->is_active;
3263 return if $Coro::current == $Coro::main;
3264
3265 my $signal = new Coro::Signal;
3266 push @WAIT_FOR_TICK, $signal;
3267 $signal->wait;
3268}
3269
3270sub wait_for_tick_begin {
3271 return unless $TICK_WATCHER->is_active;
3272 return if $Coro::current == $Coro::main;
3273
3274 my $signal = new Coro::Signal;
3275 push @WAIT_FOR_TICK_BEGIN, $signal;
3276 $signal->wait;
3277}
3278
3279 my $min = 1e6;#d#
3280 my $avg = 10;
2509$TICK_WATCHER = Event->timer ( 3281$TICK_WATCHER = Event->timer (
2510 reentrant => 0, 3282 reentrant => 0,
2511 parked => 1, 3283 parked => 1,
2512 prio => 0, 3284 prio => 0,
2513 at => $NEXT_TICK || $TICK, 3285 at => $NEXT_TICK || $TICK,
2517 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3289 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518 unless ++$bug_warning > 10; 3290 unless ++$bug_warning > 10;
2519 return; 3291 return;
2520 } 3292 }
2521 3293
2522 $NOW = Event::time; 3294 $NOW = $tick_start = Event::time;
2523 3295
2524 cf::server_tick; # one server iteration 3296 cf::server_tick; # one server iteration
3297
3298 0 && sync_job {#d#
3299 for(1..10) {
3300 my $t = Event::time;
3301 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3302 or die;
3303
3304 $map->width (50);
3305 $map->height (50);
3306 $map->alloc;
3307 $map->_load_objects ("/tmp/x.map", 1);
3308 my $t = Event::time - $t;
3309
3310 #next unless $t < 0.0013;#d#
3311 if ($t < $min) {
3312 $min = $t;
3313 }
3314 $avg = $avg * 0.99 + $t * 0.01;
3315 }
3316 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317 exit 0;
3318 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319 };
3320
2525 $RUNTIME += $TICK; 3321 $RUNTIME += $TICK;
2526 $NEXT_TICK += $TICK; 3322 $NEXT_TICK += $TICK;
2527 3323
2528 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3324 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529 $NEXT_RUNTIME_WRITE = $NOW + 10; 3325 $NEXT_RUNTIME_WRITE = $NOW + 10;
2531 write_runtime 3327 write_runtime
2532 or warn "ERROR: unable to write runtime file: $!"; 3328 or warn "ERROR: unable to write runtime file: $!";
2533 }; 3329 };
2534 } 3330 }
2535 3331
2536 $WAIT_FOR_TICK->broadcast;
2537 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539# my $AFTER = Event::time; 3332# my $AFTER = Event::time;
2540# warn $AFTER - $NOW;#d# 3333# warn $AFTER - $NOW;#d#
2541 3334
3335 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336 $sig->send;
3337 }
3338 while (my $sig = shift @WAIT_FOR_TICK) {
3339 $sig->send;
3340 }
3341
3342 $NOW = Event::time;
3343
2542 # if we are delayed by four ticks or more, skip them all 3344 # if we are delayed by four ticks or more, skip them all
2543 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3345 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2544 3346
2545 $TICK_WATCHER->at ($NEXT_TICK); 3347 $TICK_WATCHER->at ($NEXT_TICK);
2546 $TICK_WATCHER->start; 3348 $TICK_WATCHER->start;
3349
3350 $LOAD = ($NOW - $tick_start) / $TICK;
3351 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352
3353 _post_tick;
3354
3355
2547 }, 3356 },
2548); 3357);
2549 3358
2550{ 3359{
2551 BDB::max_poll_time $TICK * 0.1; 3360 BDB::max_poll_time $TICK * 0.1;
2579 3388
2580 cf::sync_job { 3389 cf::sync_job {
2581 eval { 3390 eval {
2582 BDB::db_env_open 3391 BDB::db_env_open
2583 $DB_ENV, 3392 $DB_ENV,
2584 $BDB_ENV_DIR, 3393 $BDBDIR,
2585 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3394 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3395 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587 0666; 3396 0666;
2588 3397
2589 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3398 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590 3399
2591 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3400 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592 $DB_ENV->set_lk_detect; 3401 $DB_ENV->set_lk_detect;
2593 }; 3402 };
2594 3403
2610 prio => 6, 3419 prio => 6,
2611 cb => \&IO::AIO::poll_cb, 3420 cb => \&IO::AIO::poll_cb,
2612 ); 3421 );
2613} 3422}
2614 3423
3424my $_log_backtrace;
3425
3426sub _log_backtrace {
3427 my ($msg, @addr) = @_;
3428
3429 $msg =~ s/\n//;
3430
3431 # limit the # of concurrent backtraces
3432 if ($_log_backtrace < 2) {
3433 ++$_log_backtrace;
3434 async {
3435 my @bt = fork_call {
3436 @addr = map { sprintf "%x", $_ } @addr;
3437 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439 or die "addr2line: $!";
3440
3441 my @funcs;
3442 my @res = <$fh>;
3443 chomp for @res;
3444 while (@res) {
3445 my ($func, $line) = splice @res, 0, 2, ();
3446 push @funcs, "[$func] $line";
3447 }
3448
3449 @funcs
3450 };
3451
3452 LOG llevInfo, "[ABT] $msg\n";
3453 LOG llevInfo, "[ABT] $_\n" for @bt;
3454 --$_log_backtrace;
3455 };
3456 } else {
3457 LOG llevInfo, "[ABT] $msg\n";
3458 LOG llevInfo, "[ABT] [suppressed]\n";
3459 }
3460}
3461
3462# load additional modules
3463use cf::pod;
3464
2615END { cf::emergency_save } 3465END { cf::emergency_save }
2616 3466
26171 34671
2618 3468

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