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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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 $WRITE_RUNTIME_WATCHER; 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 79our $NEXT_TICK;
56our $NOW; 80our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 81our $USE_FSYNC = 1; # use fsync to write maps - default off
58 82
59our $BDB_POLL_WATCHER; 83our $BDB_POLL_WATCHER;
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($) {
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 }
271} 309}
272 310
311sub lock_active($) {
312 my ($key) = @_;
313
314 ! ! $LOCK{$key}
315}
316
273sub freeze_mainloop { 317sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 318 return unless $TICK_WATCHER->is_active;
275 319
276 my $guard = Coro::guard { 320 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 321 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 322 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 323 $TICK_WATCHER->stop;
282 $guard 324 $guard
283} 325}
284 326
285=item cf::async { BLOCK } 327=item cf::async { BLOCK }
292 334
293BEGIN { *async = \&Coro::async_pool } 335BEGIN { *async = \&Coro::async_pool }
294 336
295=item cf::sync_job { BLOCK } 337=item cf::sync_job { BLOCK }
296 338
297The design of crossfire+ requires that the main coro ($Coro::main) is 339The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 340is always able to handle events or runnable, as Crossfire TRT is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 341partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342acceptable.
300 343
301If it must be done, put the blocking parts into C<sync_job>. This will run 344If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 345the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 346server will be frozen during this time, so the block should either finish
304fast or be very important. 347fast or be very important.
307 350
308sub sync_job(&) { 351sub sync_job(&) {
309 my ($job) = @_; 352 my ($job) = @_;
310 353
311 if ($Coro::current == $Coro::main) { 354 if ($Coro::current == $Coro::main) {
355 my $time = Event::time;
356
312 # this is the main coro, too bad, we have to block 357 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 358 # till the operation succeeds, freezing the server :/
314 359
315 # TODO: use suspend/resume instead 360 # TODO: use suspend/resume instead
316 # (but this is cancel-safe) 361 # (but this is cancel-safe)
327 372
328 while ($busy) { 373 while ($busy) {
329 Coro::cede or Event::one_event; 374 Coro::cede or Event::one_event;
330 } 375 }
331 376
377 $time = Event::time - $time;
378
379 LOG llevError | logBacktrace, Carp::longmess "long sync job"
380 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382 $tick_start += $time; # do not account sync jobs to server load
383
332 wantarray ? @res : $res[0] 384 wantarray ? @res : $res[0]
333 } else { 385 } else {
334 # we are in another coroutine, how wonderful, everything just works 386 # we are in another coroutine, how wonderful, everything just works
335 387
336 $job->() 388 $job->()
355 $EXT_CORO{$coro+0} = $coro; 407 $EXT_CORO{$coro+0} = $coro;
356 408
357 $coro 409 $coro
358} 410}
359 411
360sub write_runtime { 412=item fork_call { }, $args
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362 413
363 my $runtime = cf::localdir . "/runtime"; 414Executes the given code block with the given arguments in a seperate
415process, returning the results. Everything must be serialisable with
416Coro::Storable. May, of course, block. Note that the executed sub may
417never block itself or use any form of Event handling.
364 418
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 419=cut
366 or return;
367 420
368 my $value = $cf::RUNTIME + 90 + 10; 421sub _store_scalar {
369 # 10 is the runtime save interval, for a monotonic clock 422 open my $fh, ">", \my $buf
370 # 60 allows for the watchdog to kill the server. 423 or die "fork_call: cannot open fh-to-buf in child : $!";
371 424 Storable::store_fd $_[0], $fh;
372 (aio_write $fh, 0, (length $value), $value, 0) <= 0
373 and return;
374
375 # always fsync - this file is important
376 aio_fsync $fh
377 and return;
378
379 close $fh 425 close $fh;
380 or return;
381 426
382 aio_rename "$runtime~", $runtime 427 $buf
383 and return; 428}
384 429
430sub fork_call(&@) {
431 my ($cb, @args) = @_;
432
433# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
434# or die "socketpair: $!";
435 pipe my $fh1, my $fh2
436 or die "pipe: $!";
437
438 if (my $pid = fork) {
439 close $fh2;
440
441 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442 warn "pst<$res>" unless $res =~ /^pst/;
443 $res = Coro::Storable::thaw $res;
444
445 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447 Carp::confess $$res unless "ARRAY" eq ref $res;
448
449 return wantarray ? @$res : $res->[-1];
450 } else {
451 reset_signals;
452 local $SIG{__WARN__};
453 local $SIG{__DIE__};
454 # just in case, this hack effectively disables event
455 # in the child. cleaner and slower would be canceling all watchers,
456 # but this works for the time being.
457 local $Coro::idle;
458 $Coro::current->prio (Coro::PRIO_MAX);
459
460 eval {
461 close $fh1;
462
463 my @res = eval { $cb->(@args) };
464
465 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466 close $fh2;
467 };
468
469 warn $@ if $@;
470 _exit 0;
385 1 471 }
472}
473
474=item $value = cf::db_get $family => $key
475
476Returns a single value from the environment database.
477
478=item cf::db_put $family => $key => $value
479
480Stores the given C<$value> in the family. It can currently store binary
481data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482
483=cut
484
485our $DB;
486
487sub db_init {
488 unless ($DB) {
489 $DB = BDB::db_create $DB_ENV;
490
491 cf::sync_job {
492 eval {
493 $DB->set_flags (BDB::CHKSUM);
494
495 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497 cf::cleanup "db_open(db): $!" if $!;
498 };
499 cf::cleanup "db_open(db): $@" if $@;
500 };
501 }
502}
503
504sub db_get($$) {
505 my $key = "$_[0]/$_[1]";
506
507 cf::sync_job {
508 BDB::db_get $DB, undef, $key, my $data;
509
510 $! ? ()
511 : $data
512 }
513}
514
515sub db_put($$$) {
516 BDB::dbreq_pri 4;
517 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
518}
519
520=item cf::cache $id => [$paths...], $processversion => $process
521
522Generic caching function that returns the value of the resource $id,
523caching and regenerating as required.
524
525This function can block.
526
527=cut
528
529sub cache {
530 my ($id, $src, $processversion, $process) = @_;
531
532 my $meta =
533 join "\x00",
534 $processversion,
535 map {
536 aio_stat $_
537 and Carp::croak "$_: $!";
538
539 ($_, (stat _)[7,9])
540 } @$src;
541
542 my $dbmeta = db_get cache => "$id/meta";
543 if ($dbmeta ne $meta) {
544 # changed, we may need to process
545
546 my @data;
547 my $md5;
548
549 for (0 .. $#$src) {
550 0 <= aio_load $src->[$_], $data[$_]
551 or Carp::croak "$src->[$_]: $!";
552 }
553
554 # if processing is expensive, check
555 # checksum first
556 if (1) {
557 $md5 =
558 join "\x00",
559 $processversion,
560 map {
561 Coro::cede;
562 ($src->[$_], Digest::MD5::md5_hex $data[$_])
563 } 0.. $#$src;
564
565
566 my $dbmd5 = db_get cache => "$id/md5";
567 if ($dbmd5 eq $md5) {
568 db_put cache => "$id/meta", $meta;
569
570 return db_get cache => "$id/data";
571 }
572 }
573
574 my $t1 = Time::HiRes::time;
575 my $data = $process->(\@data);
576 my $t2 = Time::HiRes::time;
577
578 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
579
580 db_put cache => "$id/data", $data;
581 db_put cache => "$id/md5" , $md5;
582 db_put cache => "$id/meta", $meta;
583
584 return $data;
585 }
586
587 db_get cache => "$id/data"
588}
589
590=item cf::datalog type => key => value, ...
591
592Log a datalog packet of the given type with the given key-value pairs.
593
594=cut
595
596sub datalog($@) {
597 my ($type, %kv) = @_;
598 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386} 599}
387 600
388=back 601=back
389 602
390=cut 603=cut
397attach callbacks/event handlers (a collection of which is called an "attachment") 610attach callbacks/event handlers (a collection of which is called an "attachment")
398to it. All such attachable objects support the following methods. 611to it. All such attachable objects support the following methods.
399 612
400In the following description, CLASS can be any of C<global>, C<object> 613In the following description, CLASS can be any of C<global>, C<object>
401C<player>, C<client> or C<map> (i.e. the attachable objects in 614C<player>, C<client> or C<map> (i.e. the attachable objects in
402crossfire+). 615Crossfire TRT).
403 616
404=over 4 617=over 4
405 618
406=item $attachable->attach ($attachment, key => $value...) 619=item $attachable->attach ($attachment, key => $value...)
407 620
570 $registry = $CB_TYPE[$object_type] ||= []; 783 $registry = $CB_TYPE[$object_type] ||= [];
571 784
572 } elsif ($type eq "subtype") { 785 } elsif ($type eq "subtype") {
573 defined $object_type or Carp::croak "subtype specified without type"; 786 defined $object_type or Carp::croak "subtype specified without type";
574 my $object_subtype = shift @arg; 787 my $object_subtype = shift @arg;
575 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 788 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576 789
577 } elsif ($type eq "package") { 790 } elsif ($type eq "package") {
578 my $pkg = shift @arg; 791 my $pkg = shift @arg;
579 792
580 while (my ($name, $id) = each %cb_id) { 793 while (my ($name, $id) = each %cb_id) {
609 _attach $registry, $klass, @attach; 822 _attach $registry, $klass, @attach;
610 } 823 }
611 824
612 $obj->{$name} = \%arg; 825 $obj->{$name} = \%arg;
613 } else { 826 } else {
614 warn "object uses attachment '$name' that is not available, postponing.\n"; 827 warn "object uses attachment '$name' which is not available, postponing.\n";
615 } 828 }
616 829
617 $obj->{_attachment}{$name} = undef; 830 $obj->{_attachment}{$name} = undef;
618} 831}
619 832
621 if (ref $_[0]) { 834 if (ref $_[0]) {
622 _object_attach @_; 835 _object_attach @_;
623 } else { 836 } else {
624 _attach shift->_attach_registry, @_; 837 _attach shift->_attach_registry, @_;
625 } 838 }
839 _recalc_want;
626}; 840};
627 841
628# all those should be optimised 842# all those should be optimised
629sub cf::attachable::detach { 843sub cf::attachable::detach {
630 my ($obj, $name) = @_; 844 my ($obj, $name) = @_;
633 delete $obj->{_attachment}{$name}; 847 delete $obj->{_attachment}{$name};
634 reattach ($obj); 848 reattach ($obj);
635 } else { 849 } else {
636 Carp::croak "cannot, currently, detach class attachments"; 850 Carp::croak "cannot, currently, detach class attachments";
637 } 851 }
852 _recalc_want;
638}; 853};
639 854
640sub cf::attachable::attached { 855sub cf::attachable::attached {
641 my ($obj, $name) = @_; 856 my ($obj, $name) = @_;
642 857
657 "; 872 ";
658 die if $@; 873 die if $@;
659} 874}
660 875
661our $override; 876our $override;
662our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 877our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663 878
664sub override { 879sub override {
665 $override = 1; 880 $override = 1;
666 @invoke_results = (); 881 @INVOKE_RESULTS = (@_);
667} 882}
668 883
669sub do_invoke { 884sub do_invoke {
670 my $event = shift; 885 my $event = shift;
671 my $callbacks = shift; 886 my $callbacks = shift;
672 887
673 @invoke_results = (); 888 @INVOKE_RESULTS = ();
674 889
675 local $override; 890 local $override;
676 891
677 for (@$callbacks) { 892 for (@$callbacks) {
678 eval { &{$_->[1]} }; 893 eval { &{$_->[1]} };
695 910
696Generate an object-specific event with the given arguments. 911Generate an object-specific event with the given arguments.
697 912
698This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 913This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699removed in future versions), and there is no public API to access override 914removed in future versions), and there is no public API to access override
700results (if you must, access C<@cf::invoke_results> directly). 915results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701 916
702=back 917=back
703 918
704=cut 919=cut
705 920
789 } 1004 }
790 } else { 1005 } else {
791 aio_unlink $filename; 1006 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 1007 aio_unlink "$filename.pst";
793 } 1008 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 1009 }
801} 1010}
802 1011
803sub object_freezer_as_string { 1012sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 1013 my ($rdata, $objs) = @_;
810 1019
811sub object_thawer_load { 1020sub object_thawer_load {
812 my ($filename) = @_; 1021 my ($filename) = @_;
813 1022
814 my ($data, $av); 1023 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 1024
819 (aio_load $filename, $data) >= 0 1025 (aio_load $filename, $data) >= 0
820 or return; 1026 or return;
821 1027
822 unless (aio_stat "$filename.pst") { 1028 unless (aio_stat "$filename.pst") {
824 or return; 1030 or return;
825 $av = eval { (Storable::thaw $av)->{objs} }; 1031 $av = eval { (Storable::thaw $av)->{objs} };
826 } 1032 }
827 1033
828 warn sprintf "loading %s (%d)\n", 1034 warn sprintf "loading %s (%d)\n",
829 $filename, length $data, scalar @{$av || []};#d# 1035 $filename, length $data, scalar @{$av || []};
830 return ($data, $av); 1036 return ($data, $av);
831} 1037}
1038
1039=head2 COMMAND CALLBACKS
1040
1041=over 4
1042
1043=cut
832 1044
833############################################################################# 1045#############################################################################
834# command handling &c 1046# command handling &c
835 1047
836=item cf::register_command $name => \&callback($ob,$args); 1048=item cf::register_command $name => \&callback($ob,$args);
849 push @{ $COMMAND{$name} }, [$caller, $cb]; 1061 push @{ $COMMAND{$name} }, [$caller, $cb];
850} 1062}
851 1063
852=item cf::register_extcmd $name => \&callback($pl,$packet); 1064=item cf::register_extcmd $name => \&callback($pl,$packet);
853 1065
854Register a callbackf ro execution when the client sends an extcmd packet. 1066Register a callback for execution when the client sends an (synchronous)
1067extcmd packet. Ext commands will be processed in the order they are
1068received by the server, like other user commands. The first argument is
1069the logged-in player. Ext commands can only be processed after a player
1070has logged in successfully.
855 1071
856If the callback returns something, it is sent back as if reply was being 1072If the callback returns something, it is sent back as if reply was being
857called. 1073called.
858 1074
1075=item cf::register_exticmd $name => \&callback($ns,$packet);
1076
1077Register a callback for execution when the client sends an (asynchronous)
1078exticmd packet. Exti commands are processed by the server as soon as they
1079are received, i.e. out of order w.r.t. other commands. The first argument
1080is a client socket. Exti commands can be received anytime, even before
1081log-in.
1082
1083If the callback returns something, it is sent back as if reply was being
1084called.
1085
859=cut 1086=cut
860 1087
861sub register_extcmd { 1088sub register_extcmd {
862 my ($name, $cb) = @_; 1089 my ($name, $cb) = @_;
863 1090
864 $EXTCMD{$name} = $cb; 1091 $EXTCMD{$name} = $cb;
1092}
1093
1094sub register_exticmd {
1095 my ($name, $cb) = @_;
1096
1097 $EXTICMD{$name} = $cb;
865} 1098}
866 1099
867cf::player->attach ( 1100cf::player->attach (
868 on_command => sub { 1101 on_command => sub {
869 my ($pl, $name, $params) = @_; 1102 my ($pl, $name, $params) = @_;
878 cf::override; 1111 cf::override;
879 }, 1112 },
880 on_extcmd => sub { 1113 on_extcmd => sub {
881 my ($pl, $buf) = @_; 1114 my ($pl, $buf) = @_;
882 1115
883 my $msg = eval { from_json $buf }; 1116 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884 1117
885 if (ref $msg) { 1118 if (ref $msg) {
886 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1119 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
887 if (my %reply = $cb->($pl, $msg)) { 1120 if (my %reply = $cb->($pl, $msg)) {
888 $pl->ext_reply ($msg->{msgid}, %reply); 1121 $pl->ext_reply ($msg->{msgid}, %reply);
894 1127
895 cf::override; 1128 cf::override;
896 }, 1129 },
897); 1130);
898 1131
899sub load_extension {
900 my ($path) = @_;
901
902 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
903 my $base = $1;
904 my $pkg = $1;
905 $pkg =~ s/[^[:word:]]/_/g;
906 $pkg = "ext::$pkg";
907
908 warn "... loading '$path' into '$pkg'\n";
909
910 open my $fh, "<:utf8", $path
911 or die "$path: $!";
912
913 my $source =
914 "package $pkg; use strict; use utf8;\n"
915 . "#line 1 \"$path\"\n{\n"
916 . (do { local $/; <$fh> })
917 . "\n};\n1";
918
919 unless (eval $source) {
920 my $msg = $@ ? "$path: $@\n"
921 : "extension disabled.\n";
922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923 warn $@;
924 warn "mandatory extension failed to load, exiting.\n";
925 exit 1;
926 }
927 die $@;
928 }
929
930 push @EXTS, $pkg;
931}
932
933sub load_extensions { 1132sub load_extensions {
1133 cf::sync_job {
1134 my %todo;
1135
934 for my $ext (<$LIBDIR/*.ext>) { 1136 for my $path (<$LIBDIR/*.ext>) {
935 next unless -r $ext; 1137 next unless -r $path;
936 eval { 1138
937 load_extension $ext; 1139 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1140 my $base = $1;
1141 my $pkg = $1;
1142 $pkg =~ s/[^[:word:]]/_/g;
1143 $pkg = "ext::$pkg";
1144
1145 open my $fh, "<:utf8", $path
1146 or die "$path: $!";
1147
1148 my $source = do { local $/; <$fh> };
1149
1150 my %ext = (
1151 path => $path,
1152 base => $base,
1153 pkg => $pkg,
1154 );
1155
1156 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158
1159 $ext{source} =
1160 "package $pkg; use strict; use utf8;\n"
1161 . "#line 1 \"$path\"\n{\n"
1162 . $source
1163 . "\n};\n1";
1164
1165 $todo{$base} = \%ext;
1166 }
1167
1168 my %done;
1169 while (%todo) {
1170 my $progress;
1171
1172 while (my ($k, $v) = each %todo) {
1173 for (split /,\s*/, $v->{meta}{depends}) {
1174 goto skip
1175 unless exists $done{$_};
1176 }
1177
1178 warn "... loading '$k' into '$v->{pkg}'\n";
1179
1180 unless (eval $v->{source}) {
1181 my $msg = $@ ? "$v->{path}: $@\n"
1182 : "$v->{base}: extension inactive.\n";
1183
1184 if (exists $v->{meta}{mandatory}) {
1185 warn $msg;
1186 warn "mandatory extension failed to load, exiting.\n";
1187 exit 1;
1188 }
1189
1190 warn $msg;
1191 }
1192
1193 $done{$k} = delete $todo{$k};
1194 push @EXTS, $v->{pkg};
1195 $progress = 1;
938 1 1196 }
939 } or warn "$ext not loaded: $@"; 1197
1198 skip:
1199 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1200 unless $progress;
1201 }
940 } 1202 };
941} 1203}
942 1204
943############################################################################# 1205#############################################################################
944 1206
1207=back
1208
945=head2 CORE EXTENSIONS 1209=head2 CORE EXTENSIONS
946 1210
947Functions and methods that extend core crossfire objects. 1211Functions and methods that extend core crossfire objects.
948 1212
949=cut 1213=cut
961Returns the given player object, loading it if necessary (might block). 1225Returns the given player object, loading it if necessary (might block).
962 1226
963=cut 1227=cut
964 1228
965sub playerdir($) { 1229sub playerdir($) {
966 cf::localdir 1230 "$PLAYERDIR/"
967 . "/"
968 . cf::playerdir
969 . "/"
970 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1231 . (ref $_[0] ? $_[0]->ob->name : $_[0])
971} 1232}
972 1233
973sub path($) { 1234sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1235 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 1236
976 (playerdir $login) . "/$login.pl" 1237 (playerdir $login) . "/playerdata"
977} 1238}
978 1239
979sub find_active($) { 1240sub find_active($) {
980 $cf::PLAYER{$_[0]} 1241 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 1242 and $cf::PLAYER{$_[0]}->active
994 my $login = $_[0]; 1255 my $login = $_[0];
995 1256
996 my $guard = cf::lock_acquire "user_find:$login"; 1257 my $guard = cf::lock_acquire "user_find:$login";
997 1258
998 $cf::PLAYER{$_[0]} || do { 1259 $cf::PLAYER{$_[0]} || do {
1260 # rename old playerfiles to new ones
1261 #TODO: remove when no longer required
1262 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265 aio_unlink +(playerdir $login) . "/$login.pl";
1266
999 my $pl = load_pl path $login 1267 my $pl = load_pl path $login
1000 or return; 1268 or return;
1001 $cf::PLAYER{$login} = $pl 1269 $cf::PLAYER{$login} = $pl
1002 } 1270 }
1003 } 1271 }
1040 1308
1041=cut 1309=cut
1042 1310
1043sub quit_character { 1311sub quit_character {
1044 my ($pl) = @_; 1312 my ($pl) = @_;
1313
1314 my $name = $pl->ob->name;
1045 1315
1046 $pl->{deny_save} = 1; 1316 $pl->{deny_save} = 1;
1047 $pl->password ("*"); # this should lock out the player until we nuked the dir 1317 $pl->password ("*"); # this should lock out the player until we nuked the dir
1048 1318
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1319 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1054 my $path = playerdir $pl; 1324 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1325 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1326 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1327 delete $cf::PLAYER{$pl->ob->name};
1058 $pl->destroy; 1328 $pl->destroy;
1329
1330 my $prefix = qr<^~\Q$name\E/>;
1331
1332 # nuke player maps
1333 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1334
1059 IO::AIO::aio_rmtree $temp; 1335 IO::AIO::aio_rmtree $temp;
1336}
1337
1338=item $pl->kick
1339
1340Kicks a player out of the game. This destroys the connection.
1341
1342=cut
1343
1344sub kick {
1345 my ($pl, $kicker) = @_;
1346
1347 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1348 $pl->killer ("kicked");
1349 $pl->ns->destroy;
1060} 1350}
1061 1351
1062=item cf::player::list_logins 1352=item cf::player::list_logins
1063 1353
1064Returns am arrayref of all valid playernames in the system, can take a 1354Returns am arrayref of all valid playernames in the system, can take a
1065while and may block, so not sync_job-capable, ever. 1355while and may block, so not sync_job-capable, ever.
1066 1356
1067=cut 1357=cut
1068 1358
1069sub list_logins { 1359sub list_logins {
1070 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1360 my $dirs = aio_readdir $PLAYERDIR
1071 or return []; 1361 or return [];
1072 1362
1073 my @logins; 1363 my @logins;
1074 1364
1075 for my $login (@$dirs) { 1365 for my $login (@$dirs) {
1110 } 1400 }
1111 1401
1112 \@paths 1402 \@paths
1113} 1403}
1114 1404
1405=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1406
1407Expand crossfire pod fragments into protocol xml.
1408
1409=cut
1410
1411sub expand_cfpod {
1412 ((my $self), (local $_)) = @_;
1413
1414 # escape & and <
1415 s/&/&amp;/g;
1416 s/(?<![BIUGH])</&lt;/g;
1417
1418 # this is buggy, it needs to properly take care of nested <'s
1419
1420 1 while
1421 # replace B<>, I<>, U<> etc.
1422 s/B<([^\>]*)>/<b>$1<\/b>/
1423 || s/I<([^\>]*)>/<i>$1<\/i>/
1424 || s/U<([^\>]*)>/<u>$1<\/u>/
1425 # replace G<male|female> tags
1426 || s{G<([^>|]*)\|([^>]*)>}{
1427 $self->gender ? $2 : $1
1428 }ge
1429 # replace H<hint text>
1430 || s{H<([^\>]*)>}
1431 {
1432 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434 "")
1435 [$self->{hintmode}]
1436 }ge;
1437
1438 # create single paragraphs (very hackish)
1439 s/(?<=\S)\n(?=\w)/ /g;
1440
1441 # compress some whitespace
1442 s/\s+\n/\n/g; # ws line-ends
1443 s/\n\n+/\n/g; # double lines
1444 s/^\n+//; # beginning lines
1445 s/\n+$//; # ending lines
1446
1447 $_
1448}
1449
1450sub hintmode {
1451 $_[0]{hintmode} = $_[1] if @_ > 1;
1452 $_[0]{hintmode}
1453}
1454
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1455=item $player->ext_reply ($msgid, %msg)
1116 1456
1117Sends an ext reply to the player. 1457Sends an ext reply to the player.
1118 1458
1119=cut 1459=cut
1120 1460
1121sub ext_reply($$$%) { 1461sub ext_reply($$%) {
1122 my ($self, $id, %msg) = @_; 1462 my ($self, $id, %msg) = @_;
1123 1463
1124 $msg{msgid} = $id; 1464 $msg{msgid} = $id;
1125 1465 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1126 $self->send ("ext " . cf::to_json \%msg);
1127} 1466}
1128 1467
1129package cf; 1468=item $player->ext_event ($type, %msg)
1469
1470Sends an ext event to the client.
1471
1472=cut
1473
1474sub ext_event($$%) {
1475 my ($self, $type, %msg) = @_;
1476
1477 $self->ns->ext_event ($type, %msg);
1478}
1479
1480=head3 cf::region
1481
1482=over 4
1483
1484=cut
1485
1486package cf::region;
1487
1488=item cf::region::find_by_path $path
1489
1490Tries to decuce the likely region for a map knowing only its path.
1491
1492=cut
1493
1494sub find_by_path($) {
1495 my ($path) = @_;
1496
1497 my ($match, $specificity);
1498
1499 for my $region (list) {
1500 if ($region->{match} && $path =~ $region->{match}) {
1501 ($match, $specificity) = ($region, $region->specificity)
1502 if $region->specificity > $specificity;
1503 }
1504 }
1505
1506 $match
1507}
1130 1508
1131=back 1509=back
1132
1133 1510
1134=head3 cf::map 1511=head3 cf::map
1135 1512
1136=over 4 1513=over 4
1137 1514
1192 my ($self, $merge) = @_; 1569 my ($self, $merge) = @_;
1193 1570
1194 # we have to keep some variables in memory intact 1571 # we have to keep some variables in memory intact
1195 local $self->{path}; 1572 local $self->{path};
1196 local $self->{load_path}; 1573 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199 1574
1200 $self->SUPER::thawer_merge ($merge); 1575 $self->SUPER::thawer_merge ($merge);
1201} 1576}
1202 1577
1203sub normalise { 1578sub normalise {
1250 $self->init; # pass $1 etc. 1625 $self->init; # pass $1 etc.
1251 return $self; 1626 return $self;
1252 } 1627 }
1253 } 1628 }
1254 1629
1255 Carp::carp "unable to resolve path '$path' (base '$base')."; 1630 Carp::cluck "unable to resolve path '$path' (base '$base').";
1256 () 1631 ()
1257} 1632}
1258 1633
1259sub init { 1634sub init {
1260 my ($self) = @_; 1635 my ($self) = @_;
1275 1650
1276# the original (read-only) location 1651# the original (read-only) location
1277sub load_path { 1652sub load_path {
1278 my ($self) = @_; 1653 my ($self) = @_;
1279 1654
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1655 "$MAPDIR/$self->{path}.map"
1281} 1656}
1282 1657
1283# the temporary/swap location 1658# the temporary/swap location
1284sub save_path { 1659sub save_path {
1285 my ($self) = @_; 1660 my ($self) = @_;
1286 1661
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1662 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1663 "$TMPDIR/$path.map"
1289} 1664}
1290 1665
1291# the unique path, undef == no special unique path 1666# the unique path, undef == no special unique path
1292sub uniq_path { 1667sub uniq_path {
1293 my ($self) = @_; 1668 my ($self) = @_;
1294 1669
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1670 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1671 "$UNIQUEDIR/$path"
1297} 1672}
1298 1673
1299# and all this just because we cannot iterate over 1674# and all this just because we cannot iterate over
1300# all maps in C++... 1675# all maps in C++...
1301sub change_all_map_light { 1676sub change_all_map_light {
1303 1678
1304 $_->change_map_light ($change) 1679 $_->change_map_light ($change)
1305 for grep $_->outdoor, values %cf::MAP; 1680 for grep $_->outdoor, values %cf::MAP;
1306} 1681}
1307 1682
1683sub decay_objects {
1684 my ($self) = @_;
1685
1686 return if $self->{deny_reset};
1687
1688 $self->do_decay_objects;
1689}
1690
1308sub unlink_save { 1691sub unlink_save {
1309 my ($self) = @_; 1692 my ($self) = @_;
1310 1693
1311 utf8::encode (my $save = $self->save_path); 1694 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1695 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1696 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1697}
1320 1698
1321sub load_header_from($) { 1699sub load_header_from($) {
1322 my ($self, $path) = @_; 1700 my ($self, $path) = @_;
1323 1701
1373 $self->load_header_orig 1751 $self->load_header_orig
1374 or return; 1752 or return;
1375 $self->prepare_orig; 1753 $self->prepare_orig;
1376 } 1754 }
1377 1755
1756 $self->{deny_reset} = 1
1757 if $self->no_reset;
1758
1759 $self->default_region (cf::region::find_by_path $self->{path})
1760 unless $self->default_region;
1761
1378 1 1762 1
1379} 1763}
1380 1764
1381sub find; 1765sub find;
1382sub find { 1766sub find {
1394 $map->{last_save} = $cf::RUNTIME; 1778 $map->{last_save} = $cf::RUNTIME;
1395 1779
1396 $map->load_header 1780 $map->load_header
1397 or return; 1781 or return;
1398 1782
1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1783 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously 1784 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait; 1785 #$cf::WAIT_FOR_TICK->wait;
1402 $map->reset; 1786 $map->reset;
1403 undef $guard; 1787 undef $guard;
1404 return find $path; 1788 return find $path;
1415 my ($self) = @_; 1799 my ($self) = @_;
1416 1800
1417 local $self->{deny_reset} = 1; # loading can take a long time 1801 local $self->{deny_reset} = 1; # loading can take a long time
1418 1802
1419 my $path = $self->{path}; 1803 my $path = $self->{path};
1804
1805 {
1420 my $guard = cf::lock_acquire "map_load:$path"; 1806 my $guard = cf::lock_acquire "map_load:$path";
1421 1807
1422 return if $self->in_memory != cf::MAP_SWAPPED; 1808 return if $self->in_memory != cf::MAP_SWAPPED;
1423 1809
1424 $self->in_memory (cf::MAP_LOADING); 1810 $self->in_memory (cf::MAP_LOADING);
1425 1811
1426 $self->alloc; 1812 $self->alloc;
1427 1813
1428 $self->pre_load; 1814 $self->pre_load;
1429
1430 $self->_load_objects ($self->{load_path}, 1)
1431 or return;
1432
1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434 if delete $self->{load_original};
1435
1436 if (my $uniq = $self->uniq_path) {
1437 utf8::encode $uniq;
1438 if (aio_open $uniq, O_RDONLY, 0) {
1439 $self->clear_unique_items;
1440 $self->_load_objects ($uniq, 0);
1441 }
1442 }
1443
1444 Coro::cede;
1445
1446 # now do the right thing for maps
1447 $self->link_multipart_objects;
1448
1449 unless ($self->{deny_activate}) {
1450 $self->decay_objects;
1451 $self->fix_auto_apply;
1452 $self->update_buttons;
1453 Coro::cede; 1815 Coro::cede;
1454 $self->set_darkness_map; 1816
1817 $self->_load_objects ($self->{load_path}, 1)
1818 or return;
1819
1820 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1821 if delete $self->{load_original};
1822
1823 if (my $uniq = $self->uniq_path) {
1824 utf8::encode $uniq;
1825 if (aio_open $uniq, O_RDONLY, 0) {
1826 $self->clear_unique_items;
1827 $self->_load_objects ($uniq, 0);
1828 }
1829 }
1830
1831 Coro::cede;
1832 # now do the right thing for maps
1833 $self->link_multipart_objects;
1455 $self->difficulty ($self->estimate_difficulty) 1834 $self->difficulty ($self->estimate_difficulty)
1456 unless $self->difficulty; 1835 unless $self->difficulty;
1457 Coro::cede; 1836 Coro::cede;
1837
1838 unless ($self->{deny_activate}) {
1839 $self->decay_objects;
1840 $self->fix_auto_apply;
1841 $self->update_buttons;
1842 Coro::cede;
1843 $self->set_darkness_map;
1844 Coro::cede;
1458 $self->activate; 1845 $self->activate;
1846 }
1847
1848 $self->in_memory (cf::MAP_IN_MEMORY);
1459 } 1849 }
1460 1850
1461 $self->post_load; 1851 $self->post_load;
1462
1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464} 1852}
1465 1853
1466sub customise_for { 1854sub customise_for {
1467 my ($self, $ob) = @_; 1855 my ($self, $ob) = @_;
1468 1856
1469 return find "~" . $ob->name . "/" . $self->{path} 1857 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player; 1858 if $self->per_player;
1859
1860# return find "?party/" . $ob->name . "/" . $self->{path}
1861# if $self->per_party;
1471 1862
1472 $self 1863 $self
1473} 1864}
1474 1865
1475# find and load all maps in the 3x3 area around a map 1866# find and load all maps in the 3x3 area around a map
1522 1913
1523 undef $MAP_PREFETCH{$path}; 1914 undef $MAP_PREFETCH{$path};
1524 $MAP_PREFETCHER ||= cf::async { 1915 $MAP_PREFETCHER ||= cf::async {
1525 while (%MAP_PREFETCH) { 1916 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) { 1917 for my $path (keys %MAP_PREFETCH) {
1527 my $map = find $path 1918 if (my $map = find $path) {
1528 or next;
1529 $map->load; 1919 $map->load;
1920 }
1530 1921
1531 delete $MAP_PREFETCH{$path}; 1922 delete $MAP_PREFETCH{$path};
1532 } 1923 }
1533 } 1924 }
1534 undef $MAP_PREFETCHER; 1925 undef $MAP_PREFETCHER;
1586 1977
1587sub reset_at { 1978sub reset_at {
1588 my ($self) = @_; 1979 my ($self) = @_;
1589 1980
1590 # TODO: safety, remove and allow resettable per-player maps 1981 # TODO: safety, remove and allow resettable per-player maps
1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1592 return 1e99 if $self->{deny_reset}; 1982 return 1e99 if $self->{deny_reset};
1593 1983
1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1984 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1985 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596 1986
1607 my ($self) = @_; 1997 my ($self) = @_;
1608 1998
1609 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1999 my $lock = cf::lock_acquire "map_data:$self->{path}";
1610 2000
1611 return if $self->players; 2001 return if $self->players;
1612 return if $self->isa ("ext::map_per_player");#d#
1613 2002
1614 warn "resetting map ", $self->path;#d# 2003 warn "resetting map ", $self->path;
1615 2004
1616 $self->in_memory (cf::MAP_SWAPPED); 2005 $self->in_memory (cf::MAP_SWAPPED);
1617 2006
1618 # need to save uniques path 2007 # need to save uniques path
1619 unless ($self->{deny_save}) { 2008 unless ($self->{deny_save}) {
1651 $cf::MAP{$self->path} = $self; 2040 $cf::MAP{$self->path} = $self;
1652 2041
1653 $self->reset; # polite request, might not happen 2042 $self->reset; # polite request, might not happen
1654} 2043}
1655 2044
2045=item $maps = cf::map::tmp_maps
2046
2047Returns an arrayref with all map paths of currently instantiated and saved
2048maps. May block.
2049
2050=cut
2051
2052sub tmp_maps() {
2053 [
2054 map {
2055 utf8::decode $_;
2056 /\.map$/
2057 ? normalise $_
2058 : ()
2059 } @{ aio_readdir $TMPDIR or [] }
2060 ]
2061}
2062
2063=item $maps = cf::map::random_maps
2064
2065Returns an arrayref with all map paths of currently instantiated and saved
2066random maps. May block.
2067
2068=cut
2069
2070sub random_maps() {
2071 [
2072 map {
2073 utf8::decode $_;
2074 /\.map$/
2075 ? normalise "?random/$_"
2076 : ()
2077 } @{ aio_readdir $RANDOMDIR or [] }
2078 ]
2079}
2080
1656=item cf::map::unique_maps 2081=item cf::map::unique_maps
1657 2082
1658Returns an arrayref of paths of all shared maps that have 2083Returns an arrayref of paths of all shared maps that have
1659instantiated unique items. May block. 2084instantiated unique items. May block.
1660 2085
1661=cut 2086=cut
1662 2087
1663sub unique_maps() { 2088sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2089 [
1665 or return; 2090 map {
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_; 2091 utf8::decode $_;
1671 next if /\.pst$/; 2092 /\.map$/
1672 next unless /^$PATH_SEP/o; 2093 ? normalise $_
1673 2094 : ()
1674 push @paths, cf::map::normalise $_; 2095 } @{ aio_readdir $UNIQUEDIR or [] }
1675 } 2096 ]
1676
1677 \@paths
1678} 2097}
1679 2098
1680package cf; 2099package cf;
1681 2100
1682=back 2101=back
1728 2147
1729 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2148 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730 2149
1731 if ($self->{record_replies}) { 2150 if ($self->{record_replies}) {
1732 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2151 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2152
1733 } else { 2153 } else {
2154 my $pl = $self->contr;
2155
2156 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157 my $diag = $pl->{npc_dialog};
2158 $diag->{pl}->ext_reply (
2159 $diag->{id},
2160 msgtype => "reply",
2161 msg => $diag->{pl}->expand_cfpod ($msg),
2162 add_topics => []
2163 );
2164
2165 } else {
1734 $msg = $npc->name . " says: $msg" if $npc; 2166 $msg = $npc->name . " says: $msg" if $npc;
1735 $self->message ($msg, $flags); 2167 $self->message ($msg, $flags);
2168 }
1736 } 2169 }
1737} 2170}
1738 2171
1739=item $player_object->may ("access") 2172=item $player_object->may ("access")
1740 2173
1788 $self->deactivate_recursive; 2221 $self->deactivate_recursive;
1789 2222
1790 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2223 return if UNIVERSAL::isa $self->map, "ext::map_link";
1791 2224
1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2225 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793 if $self->map; 2226 if $self->map && $self->map->{path} ne "{link}";
1794 2227
1795 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2228 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1796} 2229}
1797 2230
1798sub cf::object::player::leave_link { 2231sub cf::object::player::leave_link {
1799 my ($self, $map, $x, $y) = @_; 2232 my ($self, $map, $x, $y) = @_;
2233
2234 return unless $self->contr->active;
1800 2235
1801 my $link_pos = delete $self->{_link_pos}; 2236 my $link_pos = delete $self->{_link_pos};
1802 2237
1803 unless ($map) { 2238 unless ($map) {
1804 # restore original map position 2239 # restore original map position
1822 $map->load; 2257 $map->load;
1823 $map->load_diag; 2258 $map->load_diag;
1824 2259
1825 return unless $self->contr->active; 2260 return unless $self->contr->active;
1826 $self->activate_recursive; 2261 $self->activate_recursive;
2262
2263 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 2264 $self->enter_map ($map, $x, $y);
1828} 2265}
1829 2266
1830cf::player->attach ( 2267=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2268
1834 # abort map switching before logout 2269Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2270her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2271that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2272the new (success) or old (failed) map position. In either case, $done will
1838 }; 2273be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2274
1844 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED);
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2275=cut
2276
2277our $GOTOGEN;
1865 2278
1866sub cf::object::player::goto { 2279sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2280 my ($self, $path, $x, $y, $check, $done) = @_;
2281
2282 # do generation counting so two concurrent goto's will be executed in-order
2283 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2284
1869 $self->enter_link; 2285 $self->enter_link;
1870 2286
1871 (async { 2287 (async {
1872 my $map = eval { 2288 my $map = eval {
1873 my $map = cf::map::find $path; 2289 my $map = cf::map::find $path;
2290
2291 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2292 $map = $map->customise_for ($self);
2293 $map = $check->($map) if $check && $map;
2294 } else {
2295 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2296 }
2297
1875 $map 2298 $map
2299 };
2300
2301 if ($@) {
2302 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2303 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2304 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2305
2306 if ($gen == $self->{_goto_generation}) {
2307 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2308 $self->leave_link ($map, $x, $y);
2309 }
2310
2311 $done->() if $done;
1880 })->prio (1); 2312 })->prio (1);
1881} 2313}
1882 2314
1883=item $player_object->enter_exit ($exit_object) 2315=item $player_object->enter_exit ($exit_object)
1884 2316
1923 2355
1924 $rmp->{random_seed} ||= $exit->random_seed; 2356 $rmp->{random_seed} ||= $exit->random_seed;
1925 2357
1926 my $data = cf::to_json $rmp; 2358 my $data = cf::to_json $rmp;
1927 my $md5 = Digest::MD5::md5_hex $data; 2359 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2360 my $meta = "$RANDOMDIR/$md5.meta";
1929 2361
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2362 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2363 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2364 undef $fh;
1933 aio_rename "$meta~", $meta; 2365 aio_rename "$meta~", $meta;
1942 2374
1943 return unless $self->type == cf::PLAYER; 2375 return unless $self->type == cf::PLAYER;
1944 2376
1945 if ($exit->slaying eq "/!") { 2377 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job 2378 #TODO: this should de-fi-ni-te-ly not be a sync-job
2379 # the problem is that $exit might not survive long enough
2380 # so it needs to be done right now, right here
1947 cf::sync_job { prepare_random_map $exit }; 2381 cf::sync_job { prepare_random_map $exit };
1948 } 2382 }
1949 2383
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2384 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp; 2385 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp; 2386 my $sp = $exit->stats->sp;
1953 2387
1954 $self->enter_link; 2388 $self->enter_link;
2389
2390 # if exit is damned, update players death & WoR home-position
2391 $self->contr->savebed ($slaying, $hp, $sp)
2392 if $exit->flag (FLAG_DAMNED);
1955 2393
1956 (async { 2394 (async {
1957 $self->deactivate_recursive; # just to be sure 2395 $self->deactivate_recursive; # just to be sure
1958 unless (eval { 2396 unless (eval {
1959 $self->goto ($slaying, $hp, $sp); 2397 $self->goto ($slaying, $hp, $sp);
1960 2398
1961 1; 2399 1;
1962 }) { 2400 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2401 $self->message ("Something went wrong deep within the crossfire server. "
1964 . "I'll try to bring you back to the map you were before. " 2402 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2403 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2404 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2405
1968 warn "ERROR in enter_exit: $@"; 2406 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2407 $self->leave_link;
1970 } 2408 }
1971 })->prio (1); 2409 })->prio (1);
1984 2422
1985sub cf::client::send_drawinfo { 2423sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2424 my ($self, $text, $flags) = @_;
1987 2425
1988 utf8::encode $text; 2426 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2427 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2428}
1991 2429
2430=item $client->send_msg ($color, $type, $msg, [extra...])
2431
2432Send a drawinfo or msg packet to the client, formatting the msg for the
2433client if neccessary. C<$type> should be a string identifying the type of
2434the message, with C<log> being the default. If C<$color> is negative, suppress
2435the message unless the client supports the msg packet.
2436
2437=cut
2438
2439sub cf::client::send_msg {
2440 my ($self, $color, $type, $msg, @extra) = @_;
2441
2442 $msg = $self->pl->expand_cfpod ($msg);
2443
2444 return unless @extra || length $msg;
2445
2446 if ($self->can_msg) {
2447 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2448 } else {
2449 # replace some tags by gcfclient-compatible ones
2450 for ($msg) {
2451 1 while
2452 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457 }
2458
2459 if ($color >= 0) {
2460 if (0 && $msg =~ /\[/) {
2461 $self->send_packet ("drawextinfo $color 4 0 $msg")
2462 } else {
2463 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464 $self->send_packet ("drawinfo $color $msg")
2465 }
2466 }
2467 }
2468}
2469
2470=item $client->ext_event ($type, %msg)
2471
2472Sends an ext event to the client.
2473
2474=cut
2475
2476sub cf::client::ext_event($$%) {
2477 my ($self, $type, %msg) = @_;
2478
2479 return unless $self->extcmd;
2480
2481 $msg{msgtype} = "event_$type";
2482 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2483}
1992 2484
1993=item $success = $client->query ($flags, "text", \&cb) 2485=item $success = $client->query ($flags, "text", \&cb)
1994 2486
1995Queues a query to the client, calling the given callback with 2487Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2488the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2489C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 2490
1999Queries can fail, so check the return code. Or don't, as queries will become 2491Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 2492become reliable at some point in the future.
2001 2493
2002=cut 2494=cut
2003 2495
2004sub cf::client::query { 2496sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 2497 my ($self, $flags, $text, $cb) = @_;
2013 utf8::encode $text; 2505 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2506 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 2507
2016 $self->send_packet ($self->{query_queue}[0][0]) 2508 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 2509 if @{ $self->{query_queue} } == 1;
2510
2511 1
2018} 2512}
2019 2513
2020cf::client->attach ( 2514cf::client->attach (
2515 on_connect => sub {
2516 my ($ns) = @_;
2517
2518 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2519 },
2021 on_reply => sub { 2520 on_reply => sub {
2022 my ($ns, $msg) = @_; 2521 my ($ns, $msg) = @_;
2023 2522
2024 # this weird shuffling is so that direct followup queries 2523 # this weird shuffling is so that direct followup queries
2025 # get handled first 2524 # get handled first
2037 } else { 2536 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2537 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 2538 }
2040 } 2539 }
2041 }, 2540 },
2541 on_exticmd => sub {
2542 my ($ns, $buf) = @_;
2543
2544 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545
2546 if (ref $msg) {
2547 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2548 if (my %reply = $cb->($ns, $msg)) {
2549 $reply{msgid} = $msg->{msgid};
2550 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551 }
2552 }
2553 } else {
2554 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555 }
2556
2557 cf::override;
2558 },
2042); 2559);
2043 2560
2044=item $client->async (\&cb) 2561=item $client->async (\&cb)
2045 2562
2046Create a new coroutine, running the specified callback. The coroutine will 2563Create a new coroutine, running the specified callback. The coroutine will
2093 2610
2094# here we export the classes and methods available to script code 2611# here we export the classes and methods available to script code
2095 2612
2096=pod 2613=pod
2097 2614
2098The following fucntions and emthods are available within a safe environment: 2615The following functions and methods are available within a safe environment:
2099 2616
2100 cf::object contr pay_amount pay_player map 2617 cf::object
2618 contr pay_amount pay_player map x y force_find force_add
2619 insert remove
2620
2101 cf::object::player player 2621 cf::object::player
2102 cf::player peaceful 2622 player
2103 cf::map trigger 2623
2624 cf::player
2625 peaceful
2626
2627 cf::map
2628 trigger
2104 2629
2105=cut 2630=cut
2106 2631
2107for ( 2632for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 2633 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634 insert remove)],
2109 ["cf::object::player" => qw(player)], 2635 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 2636 ["cf::player" => qw(peaceful)],
2111 ["cf::map" => qw(trigger)], 2637 ["cf::map" => qw(trigger)],
2112) { 2638) {
2113 no strict 'refs'; 2639 no strict 'refs';
2184=back 2710=back
2185 2711
2186=cut 2712=cut
2187 2713
2188############################################################################# 2714#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions 2715# the server's init and main functions
2262 2716
2263sub load_resources { 2717sub load_facedata($) {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2718 my ($path) = @_;
2719
2720 warn "loading facedata from $path\n";
2721
2722 my $facedata;
2723 0 < aio_load $path, $facedata
2724 or die "$path: $!";
2725
2726 $facedata = Coro::Storable::thaw $facedata;
2727
2728 $facedata->{version} == 2
2729 or cf::cleanup "$path: version mismatch, cannot proceed.";
2730
2731 {
2732 my $faces = $facedata->{faceinfo};
2733
2734 while (my ($face, $info) = each %$faces) {
2735 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2736 cf::face::set_visibility $idx, $info->{visibility};
2737 cf::face::set_magicmap $idx, $info->{magicmap};
2738 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2739 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2740
2741 cf::cede_to_tick;
2742 }
2743
2744 while (my ($face, $info) = each %$faces) {
2745 next unless $info->{smooth};
2746 my $idx = cf::face::find $face
2747 or next;
2748 if (my $smooth = cf::face::find $info->{smooth}) {
2749 cf::face::set_smooth $idx, $smooth;
2750 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751 } else {
2752 warn "smooth face '$info->{smooth}' not found for face '$face'";
2753 }
2754
2755 cf::cede_to_tick;
2756 }
2757 }
2758
2759 {
2760 my $anims = $facedata->{animinfo};
2761
2762 while (my ($anim, $info) = each %$anims) {
2763 cf::anim::set $anim, $info->{frames}, $info->{facings};
2764 cf::cede_to_tick;
2765 }
2766
2767 cf::anim::invalidate_all; # d'oh
2768 }
2769
2770 {
2771 # TODO: for gcfclient pleasure, we should give resources
2772 # that gcfclient doesn't grok a >10000 face index.
2773 my $res = $facedata->{resource};
2774 my $enc = JSON::XS->new->utf8->canonical;
2775
2776 while (my ($name, $info) = each %$res) {
2777 my $meta = $enc->encode ({
2778 name => $name,
2779 type => $info->{type},
2780 copyright => $info->{copyright}, #TODO#
2781 });
2782
2783 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784
2785 if ($name =~ /\.jpg$/) {
2786 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
2787 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
2788 } else {
2789 my $data = pack "(w/a*)*", $meta, $info->{data};
2790 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792 cf::face::set_type $idx, 1;
2793 cf::face::set_data $idx, 0, $data, $chk;
2794 }
2795
2796 cf::cede_to_tick;
2797 }
2798 }
2799
2800 1
2801}
2802
2803sub reload_regions {
2804 load_resource_file "$MAPDIR/regions"
2265 or die "unable to load regions file\n";#d# 2805 or die "unable to load regions file\n";
2806
2807 for (cf::region::list) {
2808 $_->{match} = qr/$_->{match}/
2809 if exists $_->{match};
2810 }
2811}
2812
2813sub reload_facedata {
2814 load_facedata "$DATADIR/facedata"
2815 or die "unable to load facedata\n";
2816}
2817
2818sub reload_archetypes {
2819 load_resource_file "$DATADIR/archetypes"
2820 or die "unable to load archetypes\n";
2821 #d# NEED to laod twice to resolve forward references
2822 # this really needs to be done in an extra post-pass
2823 # (which needs to be synchronous, so solve it differently)
2824 load_resource_file "$DATADIR/archetypes"
2825 or die "unable to load archetypes\n";
2826}
2827
2828sub reload_treasures {
2829 load_resource_file "$DATADIR/treasures"
2830 or die "unable to load treasurelists\n";
2831}
2832
2833sub reload_resources {
2834 warn "reloading resource files...\n";
2835
2836 reload_regions;
2837 reload_facedata;
2838 #reload_archetypes;#d#
2839 reload_archetypes;
2840 reload_treasures;
2841
2842 warn "finished reloading resource files\n";
2843}
2844
2845sub init {
2846 reload_resources;
2266} 2847}
2267 2848
2268sub cfg_load { 2849sub cfg_load {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 2850 open my $fh, "<:utf8", "$CONFDIR/config"
2270 or return; 2851 or return;
2271 2852
2272 local $/; 2853 local $/;
2273 *CFG = YAML::Syck::Load <$fh>; 2854 *CFG = YAML::Syck::Load <$fh>;
2274 2855
2282 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2863 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283 and die "WARNING: m(un)lockall failed: $!\n"; 2864 and die "WARNING: m(un)lockall failed: $!\n";
2284 }; 2865 };
2285 warn $@ if $@; 2866 warn $@ if $@;
2286 } 2867 }
2287}
2288
2289sub init {
2290 load_resources;
2291} 2868}
2292 2869
2293sub main { 2870sub main {
2294 # we must not ever block the main coroutine 2871 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 2872 local $Coro::idle = sub {
2323 }, 2900 },
2324 ); 2901 );
2325 } 2902 }
2326} 2903}
2327 2904
2905sub write_runtime {
2906 my $runtime = "$LOCALDIR/runtime";
2907
2908 # first touch the runtime file to show we are still running:
2909 # the fsync below can take a very very long time.
2910
2911 IO::AIO::aio_utime $runtime, undef, undef;
2912
2913 my $guard = cf::lock_acquire "write_runtime";
2914
2915 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
2916 or return;
2917
2918 my $value = $cf::RUNTIME + 90 + 10;
2919 # 10 is the runtime save interval, for a monotonic clock
2920 # 60 allows for the watchdog to kill the server.
2921
2922 (aio_write $fh, 0, (length $value), $value, 0) <= 0
2923 and return;
2924
2925 # always fsync - this file is important
2926 aio_fsync $fh
2927 and return;
2928
2929 # touch it again to show we are up-to-date
2930 aio_utime $fh, undef, undef;
2931
2932 close $fh
2933 or return;
2934
2935 aio_rename "$runtime~", $runtime
2936 and return;
2937
2938 warn "runtime file written.\n";
2939
2940 1
2941}
2942
2328sub emergency_save() { 2943sub emergency_save() {
2329 my $freeze_guard = cf::freeze_mainloop; 2944 my $freeze_guard = cf::freeze_mainloop;
2330 2945
2331 warn "enter emergency perl save\n"; 2946 warn "enter emergency perl save\n";
2332 2947
2363 2978
2364 warn Carp::longmess "post_cleanup backtrace" 2979 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core; 2980 if $make_core;
2366} 2981}
2367 2982
2368sub reload() { 2983sub do_reload_perl() {
2369 # can/must only be called in main 2984 # can/must only be called in main
2370 if ($Coro::current != $Coro::main) { 2985 if ($Coro::current != $Coro::main) {
2371 warn "can only reload from main coroutine"; 2986 warn "can only reload from main coroutine";
2372 return; 2987 return;
2373 } 2988 }
2374 2989
2375 warn "reloading..."; 2990 warn "reloading...";
2376 2991
2377 warn "cancelling server ticker"; 2992 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 2993
2994 cf::sync_job {
2995 cf::write_runtime; # external watchdog should not bark
2380 cf::emergency_save; 2996 cf::emergency_save;
2997 cf::write_runtime; # external watchdog should not bark
2381 2998
2382 eval { 2999 warn "syncing database to disk";
3000 BDB::db_env_txn_checkpoint $DB_ENV;
3001
2383 # if anything goes wrong in here, we should simply crash as we already saved 3002 # if anything goes wrong in here, we should simply crash as we already saved
2384 3003
2385 warn "cancelling all WF_AUTOCANCEL watchers"; 3004 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) { 3005 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL; 3006 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 } 3007 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 3008
2393 warn "flushing outstanding aio requests"; 3009 warn "flushing outstanding aio requests";
2394 for (;;) { 3010 for (;;) {
2395 BDB::flush; 3011 BDB::flush;
2396 IO::AIO::flush; 3012 IO::AIO::flush;
2397 Coro::cede; 3013 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3014 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 3015 warn "iterate...";
2400 } 3016 }
2401 3017
3018 ++$RELOAD;
3019
2402 warn "cancelling all extension coros"; 3020 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 3021 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 3022 %EXT_CORO = ();
2405 3023
2406 warn "removing commands"; 3024 warn "removing commands";
2407 %COMMAND = (); 3025 %COMMAND = ();
2408 3026
2409 warn "removing ext commands"; 3027 warn "removing ext/exti commands";
2410 %EXTCMD = (); 3028 %EXTCMD = ();
3029 %EXTICMD = ();
2411 3030
2412 warn "unloading/nuking all extensions"; 3031 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) { 3032 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg"; 3033 warn "... unloading $pkg";
2415 3034
2445 Symbol::delete_package "safe::$_" 3064 Symbol::delete_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3065 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3066
2448 warn "unloading cf.pm \"a bit\""; 3067 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3068 delete $INC{"cf.pm"};
3069 delete $INC{"cf/pod.pm"};
2450 3070
2451 # don't, removes xs symbols, too, 3071 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3072 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3073 #Symbol::delete_package __PACKAGE__;
2454 3074
2463 3083
2464 warn "loading extensions"; 3084 warn "loading extensions";
2465 cf::load_extensions; 3085 cf::load_extensions;
2466 3086
2467 warn "reattaching attachments to objects/players"; 3087 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3088 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3089 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3090 reattach $_ for values %MAP;
3091 warn "reattaching attachments to players";
3092 reattach $_ for values %PLAYER;
2471 3093
2472 warn "loading reloadable resources"; 3094 warn "leaving sync_job";
2473 load_resources;
2474 3095
2475 warn "restarting server ticker"; 3096 1
2476 3097 } or do {
2477 $TICK_WATCHER->start;
2478 };
2479
2480 if ($@) {
2481 warn $@; 3098 warn $@;
2482 warn "error while reloading, exiting."; 3099 warn "error while reloading, exiting.";
2483 exit 1; 3100 exit 1;
2484 } 3101 };
2485 3102
2486 warn "reloaded"; 3103 warn "reloaded";
2487}; 3104};
2488 3105
2489our $RELOAD_WATCHER; # used only during reload 3106our $RELOAD_WATCHER; # used only during reload
2490 3107
3108sub reload_perl() {
3109 # doing reload synchronously and two reloads happen back-to-back,
3110 # coro crashes during coro_state_free->destroy here.
3111
3112 $RELOAD_WATCHER ||= Event->timer (
3113 reentrant => 0,
3114 after => 0,
3115 data => WF_AUTOCANCEL,
3116 cb => sub {
3117 do_reload_perl;
3118 undef $RELOAD_WATCHER;
3119 },
3120 );
3121}
3122
2491register_command "reload" => sub { 3123register_command "reload" => sub {
2492 my ($who, $arg) = @_; 3124 my ($who, $arg) = @_;
2493 3125
2494 if ($who->flag (FLAG_WIZ)) { 3126 if ($who->flag (FLAG_WIZ)) {
2495 $who->message ("reloading server."); 3127 $who->message ("reloading server.");
2496 3128 async { reload_perl };
2497 # doing reload synchronously and two reloads happen back-to-back,
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2505 reload;
2506 undef $RELOAD_WATCHER;
2507 },
2508 );
2509 } 3129 }
2510}; 3130};
2511 3131
2512unshift @INC, $LIBDIR; 3132unshift @INC, $LIBDIR;
2513 3133
2514my $bug_warning = 0; 3134my $bug_warning = 0;
2515 3135
3136our @WAIT_FOR_TICK;
3137our @WAIT_FOR_TICK_BEGIN;
3138
3139sub wait_for_tick {
3140 return unless $TICK_WATCHER->is_active;
3141 return if $Coro::current == $Coro::main;
3142
3143 my $signal = new Coro::Signal;
3144 push @WAIT_FOR_TICK, $signal;
3145 $signal->wait;
3146}
3147
3148sub wait_for_tick_begin {
3149 return unless $TICK_WATCHER->is_active;
3150 return if $Coro::current == $Coro::main;
3151
3152 my $signal = new Coro::Signal;
3153 push @WAIT_FOR_TICK_BEGIN, $signal;
3154 $signal->wait;
3155}
3156
3157 my $min = 1e6;#d#
3158 my $avg = 10;
2516$TICK_WATCHER = Event->timer ( 3159$TICK_WATCHER = Event->timer (
2517 reentrant => 0, 3160 reentrant => 0,
2518 parked => 1, 3161 parked => 1,
2519 prio => 0, 3162 prio => 0,
2520 at => $NEXT_TICK || $TICK, 3163 at => $NEXT_TICK || $TICK,
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3167 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10; 3168 unless ++$bug_warning > 10;
2526 return; 3169 return;
2527 } 3170 }
2528 3171
2529 $NOW = Event::time; 3172 $NOW = $tick_start = Event::time;
2530 3173
2531 cf::server_tick; # one server iteration 3174 cf::server_tick; # one server iteration
3175
3176 0 && sync_job {#d#
3177 for(1..10) {
3178 my $t = Event::time;
3179 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3180 or die;
3181
3182 $map->width (50);
3183 $map->height (50);
3184 $map->alloc;
3185 $map->_load_objects ("/tmp/x.map", 1);
3186 my $t = Event::time - $t;
3187
3188 #next unless $t < 0.0013;#d#
3189 if ($t < $min) {
3190 $min = $t;
3191 }
3192 $avg = $avg * 0.99 + $t * 0.01;
3193 }
3194 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195 exit 0;
3196 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197 };
3198
2532 $RUNTIME += $TICK; 3199 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK; 3200 $NEXT_TICK += $TICK;
2534 3201
2535 $WAIT_FOR_TICK->broadcast; 3202 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3203 $NEXT_RUNTIME_WRITE = $NOW + 10;
2537 3204 Coro::async_pool {
2538 Event::sweep; 3205 write_runtime
2539 Coro::cede_notself; 3206 or warn "ERROR: unable to write runtime file: $!";
3207 };
2540 3208 }
3209
2541# my $AFTER = Event::time; 3210# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d# 3211# warn $AFTER - $NOW;#d#
2543 3212
3213 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214 $sig->send;
3215 }
3216 while (my $sig = shift @WAIT_FOR_TICK) {
3217 $sig->send;
3218 }
3219
3220 $NOW = Event::time;
3221
2544 # if we are delayed by four ticks or more, skip them all 3222 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3223 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546 3224
2547 $TICK_WATCHER->at ($NEXT_TICK); 3225 $TICK_WATCHER->at ($NEXT_TICK);
2548 $TICK_WATCHER->start; 3226 $TICK_WATCHER->start;
3227
3228 $LOAD = ($NOW - $tick_start) / $TICK;
3229 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230
3231 _post_tick;
3232
3233
2549 }, 3234 },
2550); 3235);
2551 3236
2552{ 3237{
2553 BDB::max_poll_time $TICK * 0.1; 3238 BDB::max_poll_time $TICK * 0.1;
2581 3266
2582 cf::sync_job { 3267 cf::sync_job {
2583 eval { 3268 eval {
2584 BDB::db_env_open 3269 BDB::db_env_open
2585 $DB_ENV, 3270 $DB_ENV,
2586 $BDB_ENV_DIR, 3271 $BDBDIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3272 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3273 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666; 3274 0666;
2590 3275
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3276 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592 3277
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3278 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect; 3279 $DB_ENV->set_lk_detect;
2595 }; 3280 };
2596 3281
2604 3289
2605 undef $Coro::AIO::WATCHER; 3290 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 3291 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 3292 $AIO_POLL_WATCHER = Event->io (
2608 reentrant => 0, 3293 reentrant => 0,
3294 data => WF_AUTOCANCEL,
2609 fd => IO::AIO::poll_fileno, 3295 fd => IO::AIO::poll_fileno,
2610 poll => 'r', 3296 poll => 'r',
2611 prio => 6, 3297 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb, 3298 cb => \&IO::AIO::poll_cb,
2614 ); 3299 );
2615} 3300}
2616 3301
2617$WRITE_RUNTIME_WATCHER = Event->timer ( 3302my $_log_backtrace;
2618 reentrant => 0, 3303
2619 data => WF_AUTOCANCEL, 3304sub _log_backtrace {
2620 after => 1, 3305 my ($msg, @addr) = @_;
2621 interval => 10, 3306
2622 prio => 6, # keep it lowest so it acts like a watchdog 3307 $msg =~ s/\n//;
2623 cb => Coro::unblock_sub { 3308
2624 write_runtime 3309 # limit the # of concurrent backtraces
2625 or warn "ERROR: unable to write runtime file: $!"; 3310 if ($_log_backtrace < 2) {
3311 ++$_log_backtrace;
3312 async {
3313 my @bt = fork_call {
3314 @addr = map { sprintf "%x", $_ } @addr;
3315 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317 or die "addr2line: $!";
3318
3319 my @funcs;
3320 my @res = <$fh>;
3321 chomp for @res;
3322 while (@res) {
3323 my ($func, $line) = splice @res, 0, 2, ();
3324 push @funcs, "[$func] $line";
3325 }
3326
3327 @funcs
3328 };
3329
3330 LOG llevInfo, "[ABT] $msg\n";
3331 LOG llevInfo, "[ABT] $_\n" for @bt;
3332 --$_log_backtrace;
3333 };
3334 } else {
3335 LOG llevInfo, "[ABT] $msg\n";
3336 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 3337 }
2627); 3338}
3339
3340# load additional modules
3341use cf::pod;
2628 3342
2629END { cf::emergency_save } 3343END { cf::emergency_save }
2630 3344
26311 33451
2632 3346

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