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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 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;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.52 (); 15use Coro 3.64 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
21 25
26use JSON::XS 1.4 ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
31use YAML::Syck ();
26use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
27use YAML::Syck ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
33$Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36 44
37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
39 47
40$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
42our %COMMAND = (); 52our %COMMAND = ();
43our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
44 54
45our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
46our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
47our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
49 60
50our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
51our @EVENT; 62our @EVENT;
52our $LIBDIR = datadir . "/ext";
53 63
54our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55our $TICK_WATCHER; 77our $TICK_WATCHER;
56our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58our $NEXT_TICK; 80our $NEXT_TICK;
59our $NOW; 81our $NOW;
68our $RUNTIME; 90our $RUNTIME;
69 91
70our %PLAYER; # all users 92our %PLAYER; # all users
71our %MAP; # all maps 93our %MAP; # all maps
72our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
73our $RANDOM_MAPS = cf::localdir . "/random";
74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78 95
79# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
82binmode STDOUT; 103binmode STDOUT;
83binmode STDERR; 104binmode STDERR;
84 105
85# read virtual server time, if available 106# read virtual server time, if available
86unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
88 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
89 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
90} 111}
91 112
92mkdir cf::localdir; 113mkdir $_
93mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94mkdir cf::localdir . "/" . cf::tmpdir;
95mkdir cf::localdir . "/" . cf::uniquedir;
96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
98 115
99our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
100 117
101sub cf::map::normalise; 118sub cf::map::normalise;
102 119
113=item $cf::RUNTIME 130=item $cf::RUNTIME
114 131
115The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
116every server tick. 133every server tick.
117 134
118=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119 138
120The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
121be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
122 143
123=item $cf::NOW 144=item $cf::NOW
124 145
125The time of the last (current) server tick. 146The time of the last (current) server tick.
126 147
127=item $cf::TICK 148=item $cf::TICK
128 149
129The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
130 161
131=item %cf::CFG 162=item %cf::CFG
132 163
133Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
134from wherever your confdir points to. 165from wherever your confdir points to.
135 166
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
137 168
138These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
140processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
142 178
143=back 179=back
144 180
145=cut 181=cut
146 182
147BEGIN { 183BEGIN {
148 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
149 my $msg = join "", @_; 185 my $msg = join "", @_;
150 utf8::encode $msg;
151 186
152 $msg .= "\n" 187 $msg .= "\n"
153 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
154 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
155 LOG llevError, $msg; 193 LOG llevError, $msg;
156 }; 194 };
157} 195}
158 196
159@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165 204
166# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
167# within the Safe compartment. 206# within the Safe compartment.
168for my $pkg (qw( 207for my $pkg (qw(
169 cf::global cf::attachable 208 cf::global cf::attachable
177} 216}
178 217
179$Event::DIED = sub { 218$Event::DIED = sub {
180 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
181}; 220};
221
222#############################################################################
182 223
183=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
184 225
185=over 4 226=over 4
186 227
205 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206 $d 247 $d
207 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
208} 249}
209 250
210use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
213 252
214Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
215 254
216=cut
217
218sub from_json($) {
219 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220 JSON::Syck::Load $_[0]
221}
222
223=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
224 256
225Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
226 258
227=cut 259=cut
228 260
229sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
231 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
232} 264sub from_json ($) { $json_coder->decode ($_[0]) }
233 265
234=item cf::lock_wait $string 266=item cf::lock_wait $string
235 267
236Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
237 269
243returned. 275returned.
244 276
245Lock names should begin with a unique identifier (for example, cf::map::find 277Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 278uses map_find and cf::map::load uses map_load).
247 279
280=item $locked = cf::lock_active $string
281
282Return true if the lock is currently active, i.e. somebody has locked it.
283
248=cut 284=cut
249 285
250our %LOCK; 286our %LOCK;
251 287
252sub lock_wait($) { 288sub lock_wait($) {
269 305
270 Coro::guard { 306 Coro::guard {
271 # wake up all waiters, to be on the safe side 307 # wake up all waiters, to be on the safe side
272 $_->ready for @{ delete $LOCK{$key} }; 308 $_->ready for @{ delete $LOCK{$key} };
273 } 309 }
310}
311
312sub lock_active($) {
313 my ($key) = @_;
314
315 ! ! $LOCK{$key}
274} 316}
275 317
276sub freeze_mainloop { 318sub freeze_mainloop {
277 return unless $TICK_WATCHER->is_active; 319 return unless $TICK_WATCHER->is_active;
278 320
281 }; 323 };
282 $TICK_WATCHER->stop; 324 $TICK_WATCHER->stop;
283 $guard 325 $guard
284} 326}
285 327
328=item cf::get_slot $time[, $priority[, $name]]
329
330Allocate $time seconds of blocking CPU time at priority C<$priority>:
331This call blocks and returns only when you have at least C<$time> seconds
332of cpu time till the next tick. The slot is only valid till the next cede.
333
334The optional C<$name> can be used to identify the job to run. It might be
335used for statistical purposes and should identify the same time-class.
336
337Useful for short background jobs.
338
339=cut
340
341our @SLOT_QUEUE;
342our $SLOT_QUEUE;
343
344$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async {
346 my $signal = new Coro::Signal;
347
348 while () {
349 next_job:
350 my $avail = cf::till_tick;
351 if ($avail > 0.01) {
352 for (0 .. $#SLOT_QUEUE) {
353 if ($SLOT_QUEUE[$_][0] < $avail) {
354 my $job = splice @SLOT_QUEUE, $_, 1, ();
355 $job->[2]->send;
356 Coro::cede;
357 goto next_job;
358 }
359 }
360 }
361
362 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait;
366 } else {
367 Coro::schedule;
368 }
369 }
370};
371
372sub get_slot($;$$) {
373 my ($time, $pri, $name) = @_;
374
375 $time = $TICK * .6 if $time > $TICK * .6;
376 my $sig = new Coro::Signal;
377
378 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380 $SLOT_QUEUE->ready;
381 $sig->wait;
382}
383
286=item cf::async { BLOCK } 384=item cf::async { BLOCK }
287 385
288Currently the same as Coro::async_pool, meaning you cannot use 386Currently the same as Coro::async_pool, meaning you cannot use
289C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 387C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290thing you are allowed to do is call C<prio> on it. 388thing you are allowed to do is call C<prio> on it.
293 391
294BEGIN { *async = \&Coro::async_pool } 392BEGIN { *async = \&Coro::async_pool }
295 393
296=item cf::sync_job { BLOCK } 394=item cf::sync_job { BLOCK }
297 395
298The design of crossfire+ requires that the main coro ($Coro::main) is 396The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299always able to handle events or runnable, as crossfire+ is only partly 397is always able to handle events or runnable, as Crossfire TRT is only
300reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 398partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable.
301 400
302If it must be done, put the blocking parts into C<sync_job>. This will run 401If it must be done, put the blocking parts into C<sync_job>. This will run
303the given BLOCK in another coroutine while waiting for the result. The 402the given BLOCK in another coroutine while waiting for the result. The
304server will be frozen during this time, so the block should either finish 403server will be frozen during this time, so the block should either finish
305fast or be very important. 404fast or be very important.
308 407
309sub sync_job(&) { 408sub sync_job(&) {
310 my ($job) = @_; 409 my ($job) = @_;
311 410
312 if ($Coro::current == $Coro::main) { 411 if ($Coro::current == $Coro::main) {
412 my $time = Event::time;
413
313 # this is the main coro, too bad, we have to block 414 # this is the main coro, too bad, we have to block
314 # till the operation succeeds, freezing the server :/ 415 # till the operation succeeds, freezing the server :/
315 416
316 # TODO: use suspend/resume instead 417 # TODO: use suspend/resume instead
317 # (but this is cancel-safe) 418 # (but this is cancel-safe)
328 429
329 while ($busy) { 430 while ($busy) {
330 Coro::cede or Event::one_event; 431 Coro::cede or Event::one_event;
331 } 432 }
332 433
434 $time = Event::time - $time;
435
436 LOG llevError | logBacktrace, Carp::longmess "long sync job"
437 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439 $tick_start += $time; # do not account sync jobs to server load
440
333 wantarray ? @res : $res[0] 441 wantarray ? @res : $res[0]
334 } else { 442 } else {
335 # we are in another coroutine, how wonderful, everything just works 443 # we are in another coroutine, how wonderful, everything just works
336 444
337 $job->() 445 $job->()
356 $EXT_CORO{$coro+0} = $coro; 464 $EXT_CORO{$coro+0} = $coro;
357 465
358 $coro 466 $coro
359} 467}
360 468
361sub write_runtime { 469=item fork_call { }, $args
362 my $guard = cf::lock_acquire "write_runtime";
363 470
364 my $runtime = cf::localdir . "/runtime"; 471Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling.
365 475
366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 476=cut
367 or return;
368 477
369 my $value = $cf::RUNTIME + 90 + 10; 478sub fork_call(&@) {
370 # 10 is the runtime save interval, for a monotonic clock 479 my ($cb, @args) = @_;
371 # 60 allows for the watchdog to kill the server.
372 480
373 (aio_write $fh, 0, (length $value), $value, 0) <= 0 481 # we seemingly have to make a local copy of the whole thing,
374 and return; 482 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious)
375 484
376 # always fsync - this file is important 485 my @res = Coro::Util::fork_eval {
377 aio_fsync $fh 486 reset_signals;
378 and return; 487 &$cb
488 }, @args;
379 489
380 close $fh 490 wantarray ? @res : $res[-1]
381 or return; 491}
382 492
383 aio_rename "$runtime~", $runtime 493=item $value = cf::db_get $family => $key
384 and return;
385 494
495Returns a single value from the environment database.
496
497=item cf::db_put $family => $key => $value
498
499Stores the given C<$value> in the family. It can currently store binary
500data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501
502=cut
503
504our $DB;
505
506sub db_init {
507 unless ($DB) {
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job {
511 eval {
512 $DB->set_flags (BDB::CHKSUM);
513
514 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516 cf::cleanup "db_open(db): $!" if $!;
517 };
518 cf::cleanup "db_open(db): $@" if $@;
519 };
386 1 520 }
521}
522
523sub db_get($$) {
524 my $key = "$_[0]/$_[1]";
525
526 cf::sync_job {
527 BDB::db_get $DB, undef, $key, my $data;
528
529 $! ? ()
530 : $data
531 }
532}
533
534sub db_put($$$) {
535 BDB::dbreq_pri 4;
536 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
537}
538
539=item cf::cache $id => [$paths...], $processversion => $process
540
541Generic caching function that returns the value of the resource $id,
542caching and regenerating as required.
543
544This function can block.
545
546=cut
547
548sub cache {
549 my ($id, $src, $processversion, $process) = @_;
550
551 my $meta =
552 join "\x00",
553 $processversion,
554 map {
555 aio_stat $_
556 and Carp::croak "$_: $!";
557
558 ($_, (stat _)[7,9])
559 } @$src;
560
561 my $dbmeta = db_get cache => "$id/meta";
562 if ($dbmeta ne $meta) {
563 # changed, we may need to process
564
565 my @data;
566 my $md5;
567
568 for (0 .. $#$src) {
569 0 <= aio_load $src->[$_], $data[$_]
570 or Carp::croak "$src->[$_]: $!";
571 }
572
573 # if processing is expensive, check
574 # checksum first
575 if (1) {
576 $md5 =
577 join "\x00",
578 $processversion,
579 map {
580 Coro::cede;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src;
583
584
585 my $dbmd5 = db_get cache => "$id/md5";
586 if ($dbmd5 eq $md5) {
587 db_put cache => "$id/meta", $meta;
588
589 return db_get cache => "$id/data";
590 }
591 }
592
593 my $t1 = Time::HiRes::time;
594 my $data = $process->(\@data);
595 my $t2 = Time::HiRes::time;
596
597 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
598
599 db_put cache => "$id/data", $data;
600 db_put cache => "$id/md5" , $md5;
601 db_put cache => "$id/meta", $meta;
602
603 return $data;
604 }
605
606 db_get cache => "$id/data"
607}
608
609=item cf::datalog type => key => value, ...
610
611Log a datalog packet of the given type with the given key-value pairs.
612
613=cut
614
615sub datalog($@) {
616 my ($type, %kv) = @_;
617 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387} 618}
388 619
389=back 620=back
390 621
391=cut 622=cut
398attach callbacks/event handlers (a collection of which is called an "attachment") 629attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 630to it. All such attachable objects support the following methods.
400 631
401In the following description, CLASS can be any of C<global>, C<object> 632In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 633C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 634Crossfire TRT).
404 635
405=over 4 636=over 4
406 637
407=item $attachable->attach ($attachment, key => $value...) 638=item $attachable->attach ($attachment, key => $value...)
408 639
571 $registry = $CB_TYPE[$object_type] ||= []; 802 $registry = $CB_TYPE[$object_type] ||= [];
572 803
573 } elsif ($type eq "subtype") { 804 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 805 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 806 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 807 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 808
578 } elsif ($type eq "package") { 809 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 810 my $pkg = shift @arg;
580 811
581 while (my ($name, $id) = each %cb_id) { 812 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 841 _attach $registry, $klass, @attach;
611 } 842 }
612 843
613 $obj->{$name} = \%arg; 844 $obj->{$name} = \%arg;
614 } else { 845 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 846 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 847 }
617 848
618 $obj->{_attachment}{$name} = undef; 849 $obj->{_attachment}{$name} = undef;
619} 850}
620 851
622 if (ref $_[0]) { 853 if (ref $_[0]) {
623 _object_attach @_; 854 _object_attach @_;
624 } else { 855 } else {
625 _attach shift->_attach_registry, @_; 856 _attach shift->_attach_registry, @_;
626 } 857 }
858 _recalc_want;
627}; 859};
628 860
629# all those should be optimised 861# all those should be optimised
630sub cf::attachable::detach { 862sub cf::attachable::detach {
631 my ($obj, $name) = @_; 863 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 866 delete $obj->{_attachment}{$name};
635 reattach ($obj); 867 reattach ($obj);
636 } else { 868 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 869 Carp::croak "cannot, currently, detach class attachments";
638 } 870 }
871 _recalc_want;
639}; 872};
640 873
641sub cf::attachable::attached { 874sub cf::attachable::attached {
642 my ($obj, $name) = @_; 875 my ($obj, $name) = @_;
643 876
658 "; 891 ";
659 die if $@; 892 die if $@;
660} 893}
661 894
662our $override; 895our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 896our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 897
665sub override { 898sub override {
666 $override = 1; 899 $override = 1;
667 @invoke_results = (); 900 @INVOKE_RESULTS = (@_);
668} 901}
669 902
670sub do_invoke { 903sub do_invoke {
671 my $event = shift; 904 my $event = shift;
672 my $callbacks = shift; 905 my $callbacks = shift;
673 906
674 @invoke_results = (); 907 @INVOKE_RESULTS = ();
675 908
676 local $override; 909 local $override;
677 910
678 for (@$callbacks) { 911 for (@$callbacks) {
679 eval { &{$_->[1]} }; 912 eval { &{$_->[1]} };
696 929
697Generate an object-specific event with the given arguments. 930Generate an object-specific event with the given arguments.
698 931
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 932This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 933removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 934results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 935
703=back 936=back
704 937
705=cut 938=cut
706 939
707############################################################################# 940#############################################################################
708# object support 941# object support
942#
943
944sub _can_merge {
945 my ($ob1, $ob2) = @_;
946
947 local $Storable::canonical = 1;
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950
951 $fob1 eq $fob2
952}
709 953
710sub reattach { 954sub reattach {
711 # basically do the same as instantiate, without calling instantiate 955 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 956 my ($obj) = @_;
713 957
816 or return; 1060 or return;
817 $av = eval { (Storable::thaw $av)->{objs} }; 1061 $av = eval { (Storable::thaw $av)->{objs} };
818 } 1062 }
819 1063
820 warn sprintf "loading %s (%d)\n", 1064 warn sprintf "loading %s (%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1065 $filename, length $data, scalar @{$av || []};
822 return ($data, $av); 1066 return ($data, $av);
823} 1067}
1068
1069=head2 COMMAND CALLBACKS
1070
1071=over 4
1072
1073=cut
824 1074
825############################################################################# 1075#############################################################################
826# command handling &c 1076# command handling &c
827 1077
828=item cf::register_command $name => \&callback($ob,$args); 1078=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1091 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1092}
843 1093
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1094=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1095
846Register a callbackf ro execution when the client sends an extcmd packet. 1096Register a callback for execution when the client sends an (synchronous)
1097extcmd packet. Ext commands will be processed in the order they are
1098received by the server, like other user commands. The first argument is
1099the logged-in player. Ext commands can only be processed after a player
1100has logged in successfully.
847 1101
848If the callback returns something, it is sent back as if reply was being 1102If the callback returns something, it is sent back as if reply was being
849called. 1103called.
850 1104
1105=item cf::register_exticmd $name => \&callback($ns,$packet);
1106
1107Register a callback for execution when the client sends an (asynchronous)
1108exticmd packet. Exti commands are processed by the server as soon as they
1109are received, i.e. out of order w.r.t. other commands. The first argument
1110is a client socket. Exti commands can be received anytime, even before
1111log-in.
1112
1113If the callback returns something, it is sent back as if reply was being
1114called.
1115
851=cut 1116=cut
852 1117
853sub register_extcmd { 1118sub register_extcmd {
854 my ($name, $cb) = @_; 1119 my ($name, $cb) = @_;
855 1120
856 $EXTCMD{$name} = $cb; 1121 $EXTCMD{$name} = $cb;
1122}
1123
1124sub register_exticmd {
1125 my ($name, $cb) = @_;
1126
1127 $EXTICMD{$name} = $cb;
857} 1128}
858 1129
859cf::player->attach ( 1130cf::player->attach (
860 on_command => sub { 1131 on_command => sub {
861 my ($pl, $name, $params) = @_; 1132 my ($pl, $name, $params) = @_;
870 cf::override; 1141 cf::override;
871 }, 1142 },
872 on_extcmd => sub { 1143 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1144 my ($pl, $buf) = @_;
874 1145
875 my $msg = eval { from_json $buf }; 1146 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1147
877 if (ref $msg) { 1148 if (ref $msg) {
1149 my ($type, $reply, @payload) =
1150 "ARRAY" eq ref $msg
1151 ? @$msg
1152 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153
1154 my @reply;
1155
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1156 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1157 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1158 }
1159
1160 $pl->ext_reply ($reply, @reply)
1161 if $reply;
1162
883 } else { 1163 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1164 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1165 }
886 1166
887 cf::override; 1167 cf::override;
888 }, 1168 },
889); 1169);
890 1170
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1171sub load_extensions {
1172 cf::sync_job {
1173 my %todo;
1174
926 for my $ext (<$LIBDIR/*.ext>) { 1175 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1176 next unless -r $path;
928 eval { 1177
929 load_extension $ext; 1178 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1179 my $base = $1;
1180 my $pkg = $1;
1181 $pkg =~ s/[^[:word:]]/_/g;
1182 $pkg = "ext::$pkg";
1183
1184 open my $fh, "<:utf8", $path
1185 or die "$path: $!";
1186
1187 my $source = do { local $/; <$fh> };
1188
1189 my %ext = (
1190 path => $path,
1191 base => $base,
1192 pkg => $pkg,
1193 );
1194
1195 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197
1198 $ext{source} =
1199 "package $pkg; use strict; use utf8;\n"
1200 . "#line 1 \"$path\"\n{\n"
1201 . $source
1202 . "\n};\n1";
1203
1204 $todo{$base} = \%ext;
1205 }
1206
1207 my %done;
1208 while (%todo) {
1209 my $progress;
1210
1211 while (my ($k, $v) = each %todo) {
1212 for (split /,\s*/, $v->{meta}{depends}) {
1213 goto skip
1214 unless exists $done{$_};
1215 }
1216
1217 warn "... loading '$k' into '$v->{pkg}'\n";
1218
1219 unless (eval $v->{source}) {
1220 my $msg = $@ ? "$v->{path}: $@\n"
1221 : "$v->{base}: extension inactive.\n";
1222
1223 if (exists $v->{meta}{mandatory}) {
1224 warn $msg;
1225 warn "mandatory extension failed to load, exiting.\n";
1226 exit 1;
1227 }
1228
1229 warn $msg;
1230 }
1231
1232 $done{$k} = delete $todo{$k};
1233 push @EXTS, $v->{pkg};
1234 $progress = 1;
930 1 1235 }
931 } or warn "$ext not loaded: $@"; 1236
1237 skip:
1238 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1239 unless $progress;
1240 }
932 } 1241 };
933} 1242}
934 1243
935############################################################################# 1244#############################################################################
936 1245
1246=back
1247
937=head2 CORE EXTENSIONS 1248=head2 CORE EXTENSIONS
938 1249
939Functions and methods that extend core crossfire objects. 1250Functions and methods that extend core crossfire objects.
940 1251
941=cut 1252=cut
953Returns the given player object, loading it if necessary (might block). 1264Returns the given player object, loading it if necessary (might block).
954 1265
955=cut 1266=cut
956 1267
957sub playerdir($) { 1268sub playerdir($) {
958 cf::localdir 1269 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1270 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1271}
964 1272
965sub path($) { 1273sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1274 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1275
968 (playerdir $login) . "/$login.pl" 1276 (playerdir $login) . "/playerdata"
969} 1277}
970 1278
971sub find_active($) { 1279sub find_active($) {
972 $cf::PLAYER{$_[0]} 1280 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1281 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1294 my $login = $_[0];
987 1295
988 my $guard = cf::lock_acquire "user_find:$login"; 1296 my $guard = cf::lock_acquire "user_find:$login";
989 1297
990 $cf::PLAYER{$_[0]} || do { 1298 $cf::PLAYER{$_[0]} || do {
1299 # rename old playerfiles to new ones
1300 #TODO: remove when no longer required
1301 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304 aio_unlink +(playerdir $login) . "/$login.pl";
1305
991 my $pl = load_pl path $login 1306 my $pl = load_pl path $login
992 or return; 1307 or return;
993 $cf::PLAYER{$login} = $pl 1308 $cf::PLAYER{$login} = $pl
994 } 1309 }
995 } 1310 }
1021 $self->{deny_save} = 1; 1336 $self->{deny_save} = 1;
1022 1337
1023 $cf::PLAYER{$login} = $self; 1338 $cf::PLAYER{$login} = $self;
1024 1339
1025 $self 1340 $self
1341}
1342
1343=item $player->send_msg ($channel, $msg, $color, [extra...])
1344
1345=cut
1346
1347sub send_msg {
1348 my $ns = shift->ns
1349 or return;
1350 $ns->send_msg (@_);
1026} 1351}
1027 1352
1028=item $pl->quit_character 1353=item $pl->quit_character
1029 1354
1030Nukes the player without looking back. If logged in, the connection will 1355Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1404while and may block, so not sync_job-capable, ever.
1080 1405
1081=cut 1406=cut
1082 1407
1083sub list_logins { 1408sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1409 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1410 or return [];
1086 1411
1087 my @logins; 1412 my @logins;
1088 1413
1089 for my $login (@$dirs) { 1414 for my $login (@$dirs) {
1124 } 1449 }
1125 1450
1126 \@paths 1451 \@paths
1127} 1452}
1128 1453
1454=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1455
1456Expand crossfire pod fragments into protocol xml.
1457
1458=cut
1459
1460sub expand_cfpod {
1461 ((my $self), (local $_)) = @_;
1462
1463 # escape & and <
1464 s/&/&amp;/g;
1465 s/(?<![BIUGH])</&lt;/g;
1466
1467 # this is buggy, it needs to properly take care of nested <'s
1468
1469 1 while
1470 # replace B<>, I<>, U<> etc.
1471 s/B<([^\>]*)>/<b>$1<\/b>/
1472 || s/I<([^\>]*)>/<i>$1<\/i>/
1473 || s/U<([^\>]*)>/<u>$1<\/u>/
1474 # replace G<male|female> tags
1475 || s{G<([^>|]*)\|([^>]*)>}{
1476 $self->gender ? $2 : $1
1477 }ge
1478 # replace H<hint text>
1479 || s{H<([^\>]*)>}
1480 {
1481 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483 "")
1484 [$self->{hintmode}]
1485 }ge;
1486
1487 # create single paragraphs (very hackish)
1488 s/(?<=\S)\n(?=\w)/ /g;
1489
1490 # compress some whitespace
1491 s/\s+\n/\n/g; # ws line-ends
1492 s/\n\n+/\n/g; # double lines
1493 s/^\n+//; # beginning lines
1494 s/\n+$//; # ending lines
1495
1496 $_
1497}
1498
1499sub hintmode {
1500 $_[0]{hintmode} = $_[1] if @_ > 1;
1501 $_[0]{hintmode}
1502}
1503
1129=item $player->ext_reply ($msgid, $msgtype, %msg) 1504=item $player->ext_reply ($msgid, @msg)
1130 1505
1131Sends an ext reply to the player. 1506Sends an ext reply to the player.
1132 1507
1133=cut 1508=cut
1134 1509
1135sub ext_reply($$$%) { 1510sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1511 my ($self, $id, @msg) = @_;
1137 1512
1138 $msg{msgid} = $id; 1513 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1514}
1142 1515
1143package cf; 1516=item $player->ext_msg ($type, @msg)
1517
1518Sends an ext event to the client.
1519
1520=cut
1521
1522sub ext_msg($$@) {
1523 my ($self, $type, @msg) = @_;
1524
1525 $self->ns->ext_msg ($type, @msg);
1526}
1527
1528=head3 cf::region
1529
1530=over 4
1531
1532=cut
1533
1534package cf::region;
1535
1536=item cf::region::find_by_path $path
1537
1538Tries to decuce the likely region for a map knowing only its path.
1539
1540=cut
1541
1542sub find_by_path($) {
1543 my ($path) = @_;
1544
1545 my ($match, $specificity);
1546
1547 for my $region (list) {
1548 if ($region->{match} && $path =~ $region->{match}) {
1549 ($match, $specificity) = ($region, $region->specificity)
1550 if $region->specificity > $specificity;
1551 }
1552 }
1553
1554 $match
1555}
1144 1556
1145=back 1557=back
1146
1147 1558
1148=head3 cf::map 1559=head3 cf::map
1149 1560
1150=over 4 1561=over 4
1151 1562
1206 my ($self, $merge) = @_; 1617 my ($self, $merge) = @_;
1207 1618
1208 # we have to keep some variables in memory intact 1619 # we have to keep some variables in memory intact
1209 local $self->{path}; 1620 local $self->{path};
1210 local $self->{load_path}; 1621 local $self->{load_path};
1211 local $self->{deny_save};
1212 local $self->{deny_reset};
1213 1622
1214 $self->SUPER::thawer_merge ($merge); 1623 $self->SUPER::thawer_merge ($merge);
1215} 1624}
1216 1625
1217sub normalise { 1626sub normalise {
1264 $self->init; # pass $1 etc. 1673 $self->init; # pass $1 etc.
1265 return $self; 1674 return $self;
1266 } 1675 }
1267 } 1676 }
1268 1677
1269 Carp::carp "unable to resolve path '$path' (base '$base')."; 1678 Carp::cluck "unable to resolve path '$path' (base '$base').";
1270 () 1679 ()
1271} 1680}
1272 1681
1273sub init { 1682sub init {
1274 my ($self) = @_; 1683 my ($self) = @_;
1289 1698
1290# the original (read-only) location 1699# the original (read-only) location
1291sub load_path { 1700sub load_path {
1292 my ($self) = @_; 1701 my ($self) = @_;
1293 1702
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1703 "$MAPDIR/$self->{path}.map"
1295} 1704}
1296 1705
1297# the temporary/swap location 1706# the temporary/swap location
1298sub save_path { 1707sub save_path {
1299 my ($self) = @_; 1708 my ($self) = @_;
1300 1709
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1710 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1711 "$TMPDIR/$path.map"
1303} 1712}
1304 1713
1305# the unique path, undef == no special unique path 1714# the unique path, undef == no special unique path
1306sub uniq_path { 1715sub uniq_path {
1307 my ($self) = @_; 1716 my ($self) = @_;
1308 1717
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1718 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1719 "$UNIQUEDIR/$path"
1311} 1720}
1312 1721
1313# and all this just because we cannot iterate over 1722# and all this just because we cannot iterate over
1314# all maps in C++... 1723# all maps in C++...
1315sub change_all_map_light { 1724sub change_all_map_light {
1316 my ($change) = @_; 1725 my ($change) = @_;
1317 1726
1318 $_->change_map_light ($change) 1727 $_->change_map_light ($change)
1319 for grep $_->outdoor, values %cf::MAP; 1728 for grep $_->outdoor, values %cf::MAP;
1729}
1730
1731sub decay_objects {
1732 my ($self) = @_;
1733
1734 return if $self->{deny_reset};
1735
1736 $self->do_decay_objects;
1320} 1737}
1321 1738
1322sub unlink_save { 1739sub unlink_save {
1323 my ($self) = @_; 1740 my ($self) = @_;
1324 1741
1382 $self->load_header_orig 1799 $self->load_header_orig
1383 or return; 1800 or return;
1384 $self->prepare_orig; 1801 $self->prepare_orig;
1385 } 1802 }
1386 1803
1804 $self->{deny_reset} = 1
1805 if $self->no_reset;
1806
1807 $self->default_region (cf::region::find_by_path $self->{path})
1808 unless $self->default_region;
1809
1387 1 1810 1
1388} 1811}
1389 1812
1390sub find; 1813sub find;
1391sub find { 1814sub find {
1403 $map->{last_save} = $cf::RUNTIME; 1826 $map->{last_save} = $cf::RUNTIME;
1404 1827
1405 $map->load_header 1828 $map->load_header
1406 or return; 1829 or return;
1407 1830
1408 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409 # doing this can freeze the server in a sync job, obviously 1832 # doing this can freeze the server in a sync job, obviously
1410 #$cf::WAIT_FOR_TICK->wait; 1833 #$cf::WAIT_FOR_TICK->wait;
1411 $map->reset; 1834 $map->reset;
1412 undef $guard; 1835 undef $guard;
1413 return find $path; 1836 return find $path;
1424 my ($self) = @_; 1847 my ($self) = @_;
1425 1848
1426 local $self->{deny_reset} = 1; # loading can take a long time 1849 local $self->{deny_reset} = 1; # loading can take a long time
1427 1850
1428 my $path = $self->{path}; 1851 my $path = $self->{path};
1852
1853 {
1429 my $guard = cf::lock_acquire "map_load:$path"; 1854 my $guard = cf::lock_acquire "map_load:$path";
1430 1855
1431 return if $self->in_memory != cf::MAP_SWAPPED; 1856 return if $self->in_memory != cf::MAP_SWAPPED;
1432 1857
1433 $self->in_memory (cf::MAP_LOADING); 1858 $self->in_memory (cf::MAP_LOADING);
1434 1859
1435 $self->alloc; 1860 $self->alloc;
1436 1861
1437 $self->pre_load; 1862 $self->pre_load;
1438
1439 $self->_load_objects ($self->{load_path}, 1)
1440 or return;
1441
1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443 if delete $self->{load_original};
1444
1445 if (my $uniq = $self->uniq_path) {
1446 utf8::encode $uniq;
1447 if (aio_open $uniq, O_RDONLY, 0) {
1448 $self->clear_unique_items;
1449 $self->_load_objects ($uniq, 0);
1450 }
1451 }
1452
1453 Coro::cede;
1454
1455 # now do the right thing for maps
1456 $self->link_multipart_objects;
1457
1458 unless ($self->{deny_activate}) {
1459 $self->decay_objects;
1460 $self->fix_auto_apply;
1461 $self->update_buttons;
1462 Coro::cede; 1863 Coro::cede;
1463 $self->set_darkness_map; 1864
1865 $self->_load_objects ($self->{load_path}, 1)
1866 or return;
1867
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869 if delete $self->{load_original};
1870
1871 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) {
1874 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0);
1876 }
1877 }
1878
1879 Coro::cede;
1880 # now do the right thing for maps
1881 $self->link_multipart_objects;
1464 $self->difficulty ($self->estimate_difficulty) 1882 $self->difficulty ($self->estimate_difficulty)
1465 unless $self->difficulty; 1883 unless $self->difficulty;
1466 Coro::cede; 1884 Coro::cede;
1885
1886 unless ($self->{deny_activate}) {
1887 $self->decay_objects;
1888 $self->fix_auto_apply;
1889 $self->update_buttons;
1890 Coro::cede;
1891 $self->set_darkness_map;
1892 Coro::cede;
1467 $self->activate; 1893 $self->activate;
1894 }
1895
1896 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME);
1898
1899 $self->in_memory (cf::MAP_IN_MEMORY);
1468 } 1900 }
1469 1901
1470 $self->post_load; 1902 $self->post_load;
1471
1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473} 1903}
1474 1904
1475sub customise_for { 1905sub customise_for {
1476 my ($self, $ob) = @_; 1906 my ($self, $ob) = @_;
1477 1907
1478 return find "~" . $ob->name . "/" . $self->{path} 1908 return find "~" . $ob->name . "/" . $self->{path}
1479 if $self->per_player; 1909 if $self->per_player;
1480 1910
1911# return find "?party/" . $ob->name . "/" . $self->{path}
1912# if $self->per_party;
1913
1481 $self 1914 $self
1482} 1915}
1483 1916
1484# find and load all maps in the 3x3 area around a map 1917# find and load all maps in the 3x3 area around a map
1485sub load_diag { 1918sub load_neighbours {
1486 my ($map) = @_; 1919 my ($map) = @_;
1487 1920
1488 my @diag; # diagonal neighbours 1921 my @neigh; # diagonal neighbours
1489 1922
1490 for (0 .. 3) { 1923 for (0 .. 3) {
1491 my $neigh = $map->tile_path ($_) 1924 my $neigh = $map->tile_path ($_)
1492 or next; 1925 or next;
1493 $neigh = find $neigh, $map 1926 $neigh = find $neigh, $map
1494 or next; 1927 or next;
1495 $neigh->load; 1928 $neigh->load;
1496 1929
1930 push @neigh,
1497 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1931 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1932 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1499 } 1933 }
1500 1934
1501 for (@diag) { 1935 for (grep defined $_->[0], @neigh) {
1936 my ($path, $origin) = @$_;
1502 my $neigh = find @$_ 1937 my $neigh = find $path, $origin
1503 or next; 1938 or next;
1504 $neigh->load; 1939 $neigh->load;
1505 } 1940 }
1506} 1941}
1507 1942
1531 1966
1532 undef $MAP_PREFETCH{$path}; 1967 undef $MAP_PREFETCH{$path};
1533 $MAP_PREFETCHER ||= cf::async { 1968 $MAP_PREFETCHER ||= cf::async {
1534 while (%MAP_PREFETCH) { 1969 while (%MAP_PREFETCH) {
1535 for my $path (keys %MAP_PREFETCH) { 1970 for my $path (keys %MAP_PREFETCH) {
1536 my $map = find $path 1971 if (my $map = find $path) {
1537 or next;
1538 $map->load; 1972 $map->load;
1973 }
1539 1974
1540 delete $MAP_PREFETCH{$path}; 1975 delete $MAP_PREFETCH{$path};
1541 } 1976 }
1542 } 1977 }
1543 undef $MAP_PREFETCHER; 1978 undef $MAP_PREFETCHER;
1595 2030
1596sub reset_at { 2031sub reset_at {
1597 my ($self) = @_; 2032 my ($self) = @_;
1598 2033
1599 # TODO: safety, remove and allow resettable per-player maps 2034 # TODO: safety, remove and allow resettable per-player maps
1600 return 1e99 if $self->isa ("ext::map_per_player");#d#
1601 return 1e99 if $self->{deny_reset}; 2035 return 1e99 if $self->{deny_reset};
1602 2036
1603 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2037 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2038 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605 2039
1616 my ($self) = @_; 2050 my ($self) = @_;
1617 2051
1618 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2052 my $lock = cf::lock_acquire "map_data:$self->{path}";
1619 2053
1620 return if $self->players; 2054 return if $self->players;
1621 return if $self->isa ("ext::map_per_player");#d#
1622 2055
1623 warn "resetting map ", $self->path;#d# 2056 warn "resetting map ", $self->path;
1624 2057
1625 $self->in_memory (cf::MAP_SWAPPED); 2058 $self->in_memory (cf::MAP_SWAPPED);
1626 2059
1627 # need to save uniques path 2060 # need to save uniques path
1628 unless ($self->{deny_save}) { 2061 unless ($self->{deny_save}) {
1660 $cf::MAP{$self->path} = $self; 2093 $cf::MAP{$self->path} = $self;
1661 2094
1662 $self->reset; # polite request, might not happen 2095 $self->reset; # polite request, might not happen
1663} 2096}
1664 2097
2098=item $maps = cf::map::tmp_maps
2099
2100Returns an arrayref with all map paths of currently instantiated and saved
2101maps. May block.
2102
2103=cut
2104
2105sub tmp_maps() {
2106 [
2107 map {
2108 utf8::decode $_;
2109 /\.map$/
2110 ? normalise $_
2111 : ()
2112 } @{ aio_readdir $TMPDIR or [] }
2113 ]
2114}
2115
2116=item $maps = cf::map::random_maps
2117
2118Returns an arrayref with all map paths of currently instantiated and saved
2119random maps. May block.
2120
2121=cut
2122
2123sub random_maps() {
2124 [
2125 map {
2126 utf8::decode $_;
2127 /\.map$/
2128 ? normalise "?random/$_"
2129 : ()
2130 } @{ aio_readdir $RANDOMDIR or [] }
2131 ]
2132}
2133
1665=item cf::map::unique_maps 2134=item cf::map::unique_maps
1666 2135
1667Returns an arrayref of paths of all shared maps that have 2136Returns an arrayref of paths of all shared maps that have
1668instantiated unique items. May block. 2137instantiated unique items. May block.
1669 2138
1670=cut 2139=cut
1671 2140
1672sub unique_maps() { 2141sub unique_maps() {
1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2142 [
1674 or return; 2143 map {
1675
1676 my @paths;
1677
1678 for (@$files) {
1679 utf8::decode $_; 2144 utf8::decode $_;
1680 next if /\.pst$/; 2145 /\.map$/
1681 next unless /^$PATH_SEP/o; 2146 ? normalise $_
1682 2147 : ()
1683 push @paths, cf::map::normalise $_; 2148 } @{ aio_readdir $UNIQUEDIR or [] }
1684 } 2149 ]
1685
1686 \@paths
1687} 2150}
1688 2151
1689package cf; 2152package cf;
1690 2153
1691=back 2154=back
1737 2200
1738 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2201 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739 2202
1740 if ($self->{record_replies}) { 2203 if ($self->{record_replies}) {
1741 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2204 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2205
1742 } else { 2206 } else {
2207 my $pl = $self->contr;
2208
2209 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2210 my $dialog = $pl->{npc_dialog};
2211 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2212
2213 } else {
1743 $msg = $npc->name . " says: $msg" if $npc; 2214 $msg = $npc->name . " says: $msg" if $npc;
1744 $self->message ($msg, $flags); 2215 $self->message ($msg, $flags);
2216 }
1745 } 2217 }
2218}
2219
2220=item $object->send_msg ($channel, $msg, $color, [extra...])
2221
2222=cut
2223
2224sub cf::object::send_msg {
2225 my $pl = shift->contr
2226 or return;
2227 $pl->send_msg (@_);
1746} 2228}
1747 2229
1748=item $player_object->may ("access") 2230=item $player_object->may ("access")
1749 2231
1750Returns wether the given player is authorized to access resource "access" 2232Returns wether the given player is authorized to access resource "access"
1797 $self->deactivate_recursive; 2279 $self->deactivate_recursive;
1798 2280
1799 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2281 return if UNIVERSAL::isa $self->map, "ext::map_link";
1800 2282
1801 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2283 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802 if $self->map; 2284 if $self->map && $self->map->{path} ne "{link}";
1803 2285
1804 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2286 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1805} 2287}
1806 2288
1807sub cf::object::player::leave_link { 2289sub cf::object::player::leave_link {
1808 my ($self, $map, $x, $y) = @_; 2290 my ($self, $map, $x, $y) = @_;
2291
2292 return unless $self->contr->active;
1809 2293
1810 my $link_pos = delete $self->{_link_pos}; 2294 my $link_pos = delete $self->{_link_pos};
1811 2295
1812 unless ($map) { 2296 unless ($map) {
1813 # restore original map position 2297 # restore original map position
1827 # use -1 or undef as default coordinates, not 0, 0 2311 # use -1 or undef as default coordinates, not 0, 0
1828 ($x, $y) = ($map->enter_x, $map->enter_y) 2312 ($x, $y) = ($map->enter_x, $map->enter_y)
1829 if $x <=0 && $y <= 0; 2313 if $x <=0 && $y <= 0;
1830 2314
1831 $map->load; 2315 $map->load;
1832 $map->load_diag; 2316 $map->load_neighbours;
1833 2317
1834 return unless $self->contr->active; 2318 return unless $self->contr->active;
1835 $self->activate_recursive; 2319 $self->activate_recursive;
1836 2320
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2321 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838 $self->enter_map ($map, $x, $y); 2322 $self->enter_map ($map, $x, $y);
1839} 2323}
1840 2324
1841cf::player->attach ( 2325=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842 on_logout => sub {
1843 my ($pl) = @_;
1844 2326
1845 # abort map switching before logout 2327Moves the player to the given map-path and coordinates by first freezing
1846 if ($pl->ob->{_link_pos}) { 2328her, loading and preparing them map, calling the provided $check callback
1847 cf::sync_job { 2329that has to return the map if sucecssful, and then unfreezes the player on
1848 $pl->ob->leave_link 2330the new (success) or old (failed) map position. In either case, $done will
1849 }; 2331be called at the end of this process.
1850 }
1851 },
1852 on_login => sub {
1853 my ($pl) = @_;
1854 2332
1855 # try to abort aborted map switching on player login :)
1856 # should happen only on crashes
1857 if ($pl->ob->{_link_pos}) {
1858 $pl->ob->enter_link;
1859 (async {
1860 $pl->ob->reply (undef,
1861 "There was an internal problem at your last logout, "
1862 . "the server will try to bring you to your intended destination in a second.",
1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1866 Coro::Timer::sleep 1;
1867 $pl->ob->leave_link;
1868 })->prio (2);
1869 }
1870 },
1871);
1872
1873=item $player_object->goto ($path, $x, $y)
1874
1875=cut 2333=cut
2334
2335our $GOTOGEN;
1876 2336
1877sub cf::object::player::goto { 2337sub cf::object::player::goto {
1878 my ($self, $path, $x, $y) = @_; 2338 my ($self, $path, $x, $y, $check, $done) = @_;
2339
2340 # do generation counting so two concurrent goto's will be executed in-order
2341 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879 2342
1880 $self->enter_link; 2343 $self->enter_link;
1881 2344
1882 (async { 2345 (async {
1883 my $map = eval { 2346 my $map = eval {
1884 my $map = cf::map::find $path; 2347 my $map = cf::map::find $path;
2348
2349 if ($map) {
1885 $map = $map->customise_for ($self) if $map; 2350 $map = $map->customise_for ($self);
2351 $map = $check->($map) if $check && $map;
2352 } else {
2353 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2354 }
2355
1886 $map 2356 $map
2357 };
2358
2359 if ($@) {
2360 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2361 LOG llevError | logBacktrace, Carp::longmess $@;
1887 } or 2362 }
1888 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889 2363
2364 if ($gen == $self->{_goto_generation}) {
2365 delete $self->{_goto_generation};
1890 $self->leave_link ($map, $x, $y); 2366 $self->leave_link ($map, $x, $y);
2367 }
2368
2369 $done->() if $done;
1891 })->prio (1); 2370 })->prio (1);
1892} 2371}
1893 2372
1894=item $player_object->enter_exit ($exit_object) 2373=item $player_object->enter_exit ($exit_object)
1895 2374
1934 2413
1935 $rmp->{random_seed} ||= $exit->random_seed; 2414 $rmp->{random_seed} ||= $exit->random_seed;
1936 2415
1937 my $data = cf::to_json $rmp; 2416 my $data = cf::to_json $rmp;
1938 my $md5 = Digest::MD5::md5_hex $data; 2417 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2418 my $meta = "$RANDOMDIR/$md5.meta";
1940 2419
1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2420 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942 aio_write $fh, 0, (length $data), $data, 0; 2421 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh; 2422 undef $fh;
1944 aio_rename "$meta~", $meta; 2423 aio_rename "$meta~", $meta;
1953 2432
1954 return unless $self->type == cf::PLAYER; 2433 return unless $self->type == cf::PLAYER;
1955 2434
1956 if ($exit->slaying eq "/!") { 2435 if ($exit->slaying eq "/!") {
1957 #TODO: this should de-fi-ni-te-ly not be a sync-job 2436 #TODO: this should de-fi-ni-te-ly not be a sync-job
2437 # the problem is that $exit might not survive long enough
2438 # so it needs to be done right now, right here
1958 cf::sync_job { prepare_random_map $exit }; 2439 cf::sync_job { prepare_random_map $exit };
1959 } 2440 }
1960 2441
1961 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2442 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962 my $hp = $exit->stats->hp; 2443 my $hp = $exit->stats->hp;
1963 my $sp = $exit->stats->sp; 2444 my $sp = $exit->stats->sp;
1964 2445
1965 $self->enter_link; 2446 $self->enter_link;
2447
2448 # if exit is damned, update players death & WoR home-position
2449 $self->contr->savebed ($slaying, $hp, $sp)
2450 if $exit->flag (FLAG_DAMNED);
1966 2451
1967 (async { 2452 (async {
1968 $self->deactivate_recursive; # just to be sure 2453 $self->deactivate_recursive; # just to be sure
1969 unless (eval { 2454 unless (eval {
1970 $self->goto ($slaying, $hp, $sp); 2455 $self->goto ($slaying, $hp, $sp);
1971 2456
1972 1; 2457 1;
1973 }) { 2458 }) {
1974 $self->message ("Something went wrong deep within the crossfire server. " 2459 $self->message ("Something went wrong deep within the crossfire server. "
1975 . "I'll try to bring you back to the map you were before. " 2460 . "I'll try to bring you back to the map you were before. "
1976 . "Please report this to the dungeon master!", 2461 . "Please report this to the dungeon master!",
1977 cf::NDI_UNIQUE | cf::NDI_RED); 2462 cf::NDI_UNIQUE | cf::NDI_RED);
1978 2463
1979 warn "ERROR in enter_exit: $@"; 2464 warn "ERROR in enter_exit: $@";
1980 $self->leave_link; 2465 $self->leave_link;
1981 } 2466 }
1982 })->prio (1); 2467 })->prio (1);
1998 2483
1999 utf8::encode $text; 2484 utf8::encode $text;
2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2485 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001} 2486}
2002 2487
2488=item $client->send_msg ($channel, $msg, $color, [extra...])
2489
2490Send a drawinfo or msg packet to the client, formatting the msg for the
2491client if neccessary. C<$type> should be a string identifying the type of
2492the message, with C<log> being the default. If C<$color> is negative, suppress
2493the message unless the client supports the msg packet.
2494
2495=cut
2496
2497sub cf::client::send_msg {
2498 my ($self, $channel, $msg, $color, @extra) = @_;
2499
2500 $msg = $self->pl->expand_cfpod ($msg);
2501
2502 $color &= cf::NDI_CLIENT_MASK; # just in case...
2503
2504 if (ref $channel) {
2505 # send meta info to client, if not yet sent
2506 unless (exists $self->{channel}{$channel->{id}}) {
2507 $self->{channel}{$channel->{id}} = $channel;
2508 $self->ext_msg (channel_info => $channel);
2509 }
2510
2511 $channel = $channel->{id};
2512 }
2513
2514 return unless @extra || length $msg;
2515
2516 if ($self->can_msg) {
2517 # default colour, mask it out
2518 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2519 if $color & cf::NDI_DEF;
2520
2521 $self->send_packet ("msg " . $self->{json_coder}->encode (
2522 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2523 } else {
2524 if ($color >= 0) {
2525 # replace some tags by gcfclient-compatible ones
2526 for ($msg) {
2527 1 while
2528 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2529 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2530 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2531 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2532 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2533 }
2534
2535 $color &= cf::NDI_COLOR_MASK;
2536
2537 utf8::encode $msg;
2538
2539 if (0 && $msg =~ /\[/) {
2540 # COMMAND/INFO
2541 $self->send_packet ("drawextinfo $color 10 8 $msg")
2542 } else {
2543 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2544 $self->send_packet ("drawinfo $color $msg")
2545 }
2546 }
2547 }
2548}
2549
2550=item $client->ext_msg ($type, @msg)
2551
2552Sends an ext event to the client.
2553
2554=cut
2555
2556sub cf::client::ext_msg($$@) {
2557 my ($self, $type, @msg) = @_;
2558
2559 my $extcmd = $self->extcmd;
2560
2561 if ($extcmd == 2) {
2562 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2563 } elsif ($extcmd == 1) { # TODO: remove
2564 push @msg, msgtype => "event_$type";
2565 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2566 }
2567}
2568
2569=item $client->ext_reply ($msgid, @msg)
2570
2571Sends an ext reply to the client.
2572
2573=cut
2574
2575sub cf::client::ext_reply($$@) {
2576 my ($self, $id, @msg) = @_;
2577
2578 if ($self->extcmd == 2) {
2579 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2580 } elsif ($self->ns->extcmd == 1) {
2581 #TODO: version 1, remove
2582 unshift @msg, msgtype => "reply", msgid => $id;
2583 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2584 }
2585}
2003 2586
2004=item $success = $client->query ($flags, "text", \&cb) 2587=item $success = $client->query ($flags, "text", \&cb)
2005 2588
2006Queues a query to the client, calling the given callback with 2589Queues a query to the client, calling the given callback with
2007the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2590the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2591C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009 2592
2010Queries can fail, so check the return code. Or don't, as queries will become 2593Queries can fail, so check the return code. Or don't, as queries will
2011reliable at some point in the future. 2594become reliable at some point in the future.
2012 2595
2013=cut 2596=cut
2014 2597
2015sub cf::client::query { 2598sub cf::client::query {
2016 my ($self, $flags, $text, $cb) = @_; 2599 my ($self, $flags, $text, $cb) = @_;
2024 utf8::encode $text; 2607 utf8::encode $text;
2025 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2608 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026 2609
2027 $self->send_packet ($self->{query_queue}[0][0]) 2610 $self->send_packet ($self->{query_queue}[0][0])
2028 if @{ $self->{query_queue} } == 1; 2611 if @{ $self->{query_queue} } == 1;
2612
2613 1
2029} 2614}
2030 2615
2031cf::client->attach ( 2616cf::client->attach (
2617 on_connect => sub {
2618 my ($ns) = @_;
2619
2620 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2621 },
2032 on_reply => sub { 2622 on_reply => sub {
2033 my ($ns, $msg) = @_; 2623 my ($ns, $msg) = @_;
2034 2624
2035 # this weird shuffling is so that direct followup queries 2625 # this weird shuffling is so that direct followup queries
2036 # get handled first 2626 # get handled first
2048 } else { 2638 } else {
2049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2639 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050 } 2640 }
2051 } 2641 }
2052 }, 2642 },
2643 on_exticmd => sub {
2644 my ($ns, $buf) = @_;
2645
2646 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2647
2648 if (ref $msg) {
2649 my ($type, $reply, @payload) =
2650 "ARRAY" eq ref $msg
2651 ? @$msg
2652 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2653
2654 my @reply;
2655
2656 if (my $cb = $EXTICMD{$type}) {
2657 @reply = $cb->($ns, @payload);
2658 }
2659
2660 $ns->ext_reply ($reply, @reply)
2661 if $reply;
2662
2663 } else {
2664 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2665 }
2666
2667 cf::override;
2668 },
2053); 2669);
2054 2670
2055=item $client->async (\&cb) 2671=item $client->async (\&cb)
2056 2672
2057Create a new coroutine, running the specified callback. The coroutine will 2673Create a new coroutine, running the specified callback. The coroutine will
2098our $safe = new Safe "safe"; 2714our $safe = new Safe "safe";
2099our $safe_hole = new Safe::Hole; 2715our $safe_hole = new Safe::Hole;
2100 2716
2101$SIG{FPE} = 'IGNORE'; 2717$SIG{FPE} = 'IGNORE';
2102 2718
2103$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2719$safe->permit_only (Opcode::opset qw(
2720 :base_core :base_mem :base_orig :base_math
2721 grepstart grepwhile mapstart mapwhile
2722 sort time
2723));
2104 2724
2105# here we export the classes and methods available to script code 2725# here we export the classes and methods available to script code
2106 2726
2107=pod 2727=pod
2108 2728
2109The following fucntions and emthods are available within a safe environment: 2729The following functions and methods are available within a safe environment:
2110 2730
2111 cf::object contr pay_amount pay_player map 2731 cf::object
2732 contr pay_amount pay_player map x y force_find force_add
2733 insert remove name archname title slaying race
2734
2112 cf::object::player player 2735 cf::object::player
2113 cf::player peaceful 2736 player
2114 cf::map trigger 2737
2738 cf::player
2739 peaceful
2740
2741 cf::map
2742 trigger
2115 2743
2116=cut 2744=cut
2117 2745
2118for ( 2746for (
2119 ["cf::object" => qw(contr pay_amount pay_player map)], 2747 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2748 insert remove inv name archname title slaying race)],
2120 ["cf::object::player" => qw(player)], 2749 ["cf::object::player" => qw(player)],
2121 ["cf::player" => qw(peaceful)], 2750 ["cf::player" => qw(peaceful)],
2122 ["cf::map" => qw(trigger)], 2751 ["cf::map" => qw(trigger)],
2123) { 2752) {
2124 no strict 'refs'; 2753 no strict 'refs';
2195=back 2824=back
2196 2825
2197=cut 2826=cut
2198 2827
2199############################################################################# 2828#############################################################################
2200
2201=head2 EXTENSION DATABASE SUPPORT
2202
2203Crossfire maintains a very simple database for extension use. It can
2204currently store anything that can be serialised using Storable, which
2205excludes objects.
2206
2207The parameter C<$family> should best start with the name of the extension
2208using it, it should be unique.
2209
2210=over 4
2211
2212=item $value = cf::db_get $family => $key
2213
2214Returns a single value from the database.
2215
2216=item cf::db_put $family => $key => $value
2217
2218Stores the given C<$value> in the family.
2219
2220=cut
2221
2222our $DB;
2223
2224sub db_init {
2225 unless ($DB) {
2226 $DB = BDB::db_create $DB_ENV;
2227
2228 cf::sync_job {
2229 eval {
2230 $DB->set_flags (BDB::CHKSUM);
2231
2232 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!;
2235 };
2236 cf::cleanup "db_open(db): $@" if $@;
2237 };
2238
2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2243
2244 cf::db_put (board => data => $pst->{board});
2245 cf::db_put (guildrules => data => $pst->{guildrules});
2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249 unlink $path;
2250 };
2251 }
2252 }
2253}
2254
2255sub db_get($$) {
2256 my $key = "$_[0]/$_[1]";
2257
2258 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data;
2260
2261 $! ? ()
2262 : Compress::LZF::sthaw $data
2263 }
2264}
2265
2266sub db_put($$$) {
2267 BDB::dbreq_pri 4;
2268 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269}
2270
2271#############################################################################
2272# the server's init and main functions 2829# the server's init and main functions
2273 2830
2274sub load_faces { 2831sub load_facedata($) {
2275 my $path = sprintf "%s/faces", cf::datadir; 2832 my ($path) = @_;
2276 2833
2834 my $enc = JSON::XS->new->utf8->canonical;
2835
2277 warn "loading faces from $path\n"; 2836 warn "loading facedata from $path\n";
2278 2837
2279 my $faces; 2838 my $facedata;
2280 0 < aio_load $path, $faces 2839 0 < aio_load $path, $facedata
2281 or die "$path: $!"; 2840 or die "$path: $!";
2282 2841
2283 Coro::cede;
2284 $faces = Storable::thaw $faces; 2842 $facedata = Coro::Storable::thaw $facedata;
2285 Coro::cede;
2286 2843
2287 my $meta = delete $faces->{""};
2288 $meta->{version} == 1 2844 $facedata->{version} == 2
2289 or cf::cleanup "$path: version mismatch, cannot proceed."; 2845 or cf::cleanup "$path: version mismatch, cannot proceed.";
2290 2846
2847 # patch in the exptable
2848 $facedata->{resource}{"res/exp_table"} = {
2849 type => FT_RSRC,
2850 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2851 };
2852 cf::cede_to_tick;
2853
2854 {
2855 my $faces = $facedata->{faceinfo};
2856
2291 while (my ($face, $info) = each %$faces) { 2857 while (my ($face, $info) = each %$faces) {
2292 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2858 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2859 cf::face::set_visibility $idx, $info->{visibility};
2860 cf::face::set_magicmap $idx, $info->{magicmap};
2294 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2861 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295 Coro::cede; 2862 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296 }
2297 2863
2864 cf::cede_to_tick;
2865 }
2866
2298 while (my ($face, $info) = each %$faces) { 2867 while (my ($face, $info) = each %$faces) {
2299 next unless $info->{smooth}; 2868 next unless $info->{smooth};
2300 my $idx = cf::face::find $face 2869 my $idx = cf::face::find $face
2301 or next; 2870 or next;
2302 if (my $smooth = cf::face::find $info->{smooth}) { 2871 if (my $smooth = cf::face::find $info->{smooth}) {
2303 cf::face::set_smooth $idx, $smooth; 2872 cf::face::set_smooth $idx, $smooth;
2873 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2304 } else { 2874 } else {
2305 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2875 warn "smooth face '$info->{smooth}' not found for face '$face'";
2306 } 2876 }
2307 Coro::cede; 2877
2878 cf::cede_to_tick;
2879 }
2880 }
2881
2882 {
2883 my $anims = $facedata->{animinfo};
2884
2885 while (my ($anim, $info) = each %$anims) {
2886 cf::anim::set $anim, $info->{frames}, $info->{facings};
2887 cf::cede_to_tick;
2888 }
2889
2890 cf::anim::invalidate_all; # d'oh
2891 }
2892
2893 {
2894 # TODO: for gcfclient pleasure, we should give resources
2895 # that gcfclient doesn't grok a >10000 face index.
2896 my $res = $facedata->{resource};
2897
2898 my $soundconf = delete $res->{"res/sound.conf"};
2899
2900 while (my ($name, $info) = each %$res) {
2901 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2902 my $data;
2903
2904 if ($info->{type} & 1) {
2905 # prepend meta info
2906
2907 my $meta = $enc->encode ({
2908 name => $name,
2909 %{ $info->{meta} || {} },
2910 });
2911
2912 $data = pack "(w/a*)*", $meta, $info->{data};
2913 } else {
2914 $data = $info->{data};
2915 }
2916
2917 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2918 cf::face::set_type $idx, $info->{type};
2919
2920 cf::cede_to_tick;
2921 }
2922
2923 if ($soundconf) {
2924 $soundconf = $enc->decode (delete $soundconf->{data});
2925
2926 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2927 my $sound = $soundconf->{compat}[$_]
2928 or next;
2929
2930 my $face = cf::face::find "sound/$sound->[1]";
2931 cf::sound::set $sound->[0] => $face;
2932 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2933 }
2934
2935 while (my ($k, $v) = each %{$soundconf->{event}}) {
2936 my $face = cf::face::find "sound/$v";
2937 cf::sound::set $k => $face;
2938 }
2939 }
2308 } 2940 }
2309 2941
2310 1 2942 1
2311} 2943}
2312 2944
2945register_exticmd fx_want => sub {
2946 my ($ns, $want) = @_;
2947
2948 while (my ($k, $v) = each %$want) {
2949 $ns->fx_want ($k, $v);
2950 }
2951};
2952
2953sub reload_regions {
2954 load_resource_file "$MAPDIR/regions"
2955 or die "unable to load regions file\n";
2956
2957 for (cf::region::list) {
2958 $_->{match} = qr/$_->{match}/
2959 if exists $_->{match};
2960 }
2961}
2962
2963sub reload_facedata {
2964 load_facedata "$DATADIR/facedata"
2965 or die "unable to load facedata\n";
2966}
2967
2968sub reload_archetypes {
2969 load_resource_file "$DATADIR/archetypes"
2970 or die "unable to load archetypes\n";
2971 #d# NEED to laod twice to resolve forward references
2972 # this really needs to be done in an extra post-pass
2973 # (which needs to be synchronous, so solve it differently)
2974 load_resource_file "$DATADIR/archetypes"
2975 or die "unable to load archetypes\n";
2976}
2977
2978sub reload_treasures {
2979 load_resource_file "$DATADIR/treasures"
2980 or die "unable to load treasurelists\n";
2981}
2982
2313sub reload_resources { 2983sub reload_resources {
2314 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2984 warn "reloading resource files...\n";
2315 or die "unable to load regions file\n";#d# 2985
2986 reload_regions;
2316 load_faces 2987 reload_facedata;
2317 or die "unable to load faces\n";#d# 2988 #reload_archetypes;#d#
2989 reload_archetypes;
2990 reload_treasures;
2991
2992 warn "finished reloading resource files\n";
2318} 2993}
2319 2994
2320sub init { 2995sub init {
2321 reload_resources; 2996 reload_resources;
2322} 2997}
2323 2998
2324sub cfg_load { 2999sub cfg_load {
2325 open my $fh, "<:utf8", cf::confdir . "/config" 3000 open my $fh, "<:utf8", "$CONFDIR/config"
2326 or return; 3001 or return;
2327 3002
2328 local $/; 3003 local $/;
2329 *CFG = YAML::Syck::Load <$fh>; 3004 *CFG = YAML::Syck::Load <$fh>;
2330 3005
2375 }, 3050 },
2376 ); 3051 );
2377 } 3052 }
2378} 3053}
2379 3054
3055sub write_runtime {
3056 my $runtime = "$LOCALDIR/runtime";
3057
3058 # first touch the runtime file to show we are still running:
3059 # the fsync below can take a very very long time.
3060
3061 IO::AIO::aio_utime $runtime, undef, undef;
3062
3063 my $guard = cf::lock_acquire "write_runtime";
3064
3065 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3066 or return;
3067
3068 my $value = $cf::RUNTIME + 90 + 10;
3069 # 10 is the runtime save interval, for a monotonic clock
3070 # 60 allows for the watchdog to kill the server.
3071
3072 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3073 and return;
3074
3075 # always fsync - this file is important
3076 aio_fsync $fh
3077 and return;
3078
3079 # touch it again to show we are up-to-date
3080 aio_utime $fh, undef, undef;
3081
3082 close $fh
3083 or return;
3084
3085 aio_rename "$runtime~", $runtime
3086 and return;
3087
3088 warn "runtime file written.\n";
3089
3090 1
3091}
3092
2380sub emergency_save() { 3093sub emergency_save() {
2381 my $freeze_guard = cf::freeze_mainloop; 3094 my $freeze_guard = cf::freeze_mainloop;
2382 3095
2383 warn "enter emergency perl save\n"; 3096 warn "enter emergency perl save\n";
2384 3097
2415 3128
2416 warn Carp::longmess "post_cleanup backtrace" 3129 warn Carp::longmess "post_cleanup backtrace"
2417 if $make_core; 3130 if $make_core;
2418} 3131}
2419 3132
2420sub reload() { 3133sub do_reload_perl() {
2421 # can/must only be called in main 3134 # can/must only be called in main
2422 if ($Coro::current != $Coro::main) { 3135 if ($Coro::current != $Coro::main) {
2423 warn "can only reload from main coroutine"; 3136 warn "can only reload from main coroutine";
2424 return; 3137 return;
2425 } 3138 }
2459 %EXT_CORO = (); 3172 %EXT_CORO = ();
2460 3173
2461 warn "removing commands"; 3174 warn "removing commands";
2462 %COMMAND = (); 3175 %COMMAND = ();
2463 3176
2464 warn "removing ext commands"; 3177 warn "removing ext/exti commands";
2465 %EXTCMD = (); 3178 %EXTCMD = ();
3179 %EXTICMD = ();
2466 3180
2467 warn "unloading/nuking all extensions"; 3181 warn "unloading/nuking all extensions";
2468 for my $pkg (@EXTS) { 3182 for my $pkg (@EXTS) {
2469 warn "... unloading $pkg"; 3183 warn "... unloading $pkg";
2470 3184
2500 Symbol::delete_package "safe::$_" 3214 Symbol::delete_package "safe::$_"
2501 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3215 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502 3216
2503 warn "unloading cf.pm \"a bit\""; 3217 warn "unloading cf.pm \"a bit\"";
2504 delete $INC{"cf.pm"}; 3218 delete $INC{"cf.pm"};
3219 delete $INC{"cf/pod.pm"};
2505 3220
2506 # don't, removes xs symbols, too, 3221 # don't, removes xs symbols, too,
2507 # and global variables created in xs 3222 # and global variables created in xs
2508 #Symbol::delete_package __PACKAGE__; 3223 #Symbol::delete_package __PACKAGE__;
2509 3224
2524 warn "reattaching attachments to maps"; 3239 warn "reattaching attachments to maps";
2525 reattach $_ for values %MAP; 3240 reattach $_ for values %MAP;
2526 warn "reattaching attachments to players"; 3241 warn "reattaching attachments to players";
2527 reattach $_ for values %PLAYER; 3242 reattach $_ for values %PLAYER;
2528 3243
2529 warn "loading reloadable resources";
2530 reload_resources;
2531
2532 warn "leaving sync_job"; 3244 warn "leaving sync_job";
2533 3245
2534 1 3246 1
2535 } or do { 3247 } or do {
2536 warn $@; 3248 warn $@;
2541 warn "reloaded"; 3253 warn "reloaded";
2542}; 3254};
2543 3255
2544our $RELOAD_WATCHER; # used only during reload 3256our $RELOAD_WATCHER; # used only during reload
2545 3257
3258sub reload_perl() {
3259 # doing reload synchronously and two reloads happen back-to-back,
3260 # coro crashes during coro_state_free->destroy here.
3261
3262 $RELOAD_WATCHER ||= Event->timer (
3263 reentrant => 0,
3264 after => 0,
3265 data => WF_AUTOCANCEL,
3266 cb => sub {
3267 do_reload_perl;
3268 undef $RELOAD_WATCHER;
3269 },
3270 );
3271}
3272
2546register_command "reload" => sub { 3273register_command "reload" => sub {
2547 my ($who, $arg) = @_; 3274 my ($who, $arg) = @_;
2548 3275
2549 if ($who->flag (FLAG_WIZ)) { 3276 if ($who->flag (FLAG_WIZ)) {
2550 $who->message ("reloading server."); 3277 $who->message ("reloading server.");
2551 3278 async { reload_perl };
2552 # doing reload synchronously and two reloads happen back-to-back,
2553 # coro crashes during coro_state_free->destroy here.
2554
2555 $RELOAD_WATCHER ||= Event->timer (
2556 reentrant => 0,
2557 after => 0,
2558 data => WF_AUTOCANCEL,
2559 cb => sub {
2560 reload;
2561 undef $RELOAD_WATCHER;
2562 },
2563 );
2564 } 3279 }
2565}; 3280};
2566 3281
2567unshift @INC, $LIBDIR; 3282unshift @INC, $LIBDIR;
2568 3283
2569my $bug_warning = 0; 3284my $bug_warning = 0;
2570 3285
3286our @WAIT_FOR_TICK;
3287our @WAIT_FOR_TICK_BEGIN;
3288
3289sub wait_for_tick {
3290 return unless $TICK_WATCHER->is_active;
3291 return if $Coro::current == $Coro::main;
3292
3293 my $signal = new Coro::Signal;
3294 push @WAIT_FOR_TICK, $signal;
3295 $signal->wait;
3296}
3297
3298sub wait_for_tick_begin {
3299 return unless $TICK_WATCHER->is_active;
3300 return if $Coro::current == $Coro::main;
3301
3302 my $signal = new Coro::Signal;
3303 push @WAIT_FOR_TICK_BEGIN, $signal;
3304 $signal->wait;
3305}
3306
3307 my $min = 1e6;#d#
3308 my $avg = 10;
2571$TICK_WATCHER = Event->timer ( 3309$TICK_WATCHER = Event->timer (
2572 reentrant => 0, 3310 reentrant => 0,
2573 parked => 1, 3311 parked => 1,
2574 prio => 0, 3312 prio => 0,
2575 at => $NEXT_TICK || $TICK, 3313 at => $NEXT_TICK || $TICK,
2579 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3317 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580 unless ++$bug_warning > 10; 3318 unless ++$bug_warning > 10;
2581 return; 3319 return;
2582 } 3320 }
2583 3321
2584 $NOW = Event::time; 3322 $NOW = $tick_start = Event::time;
2585 3323
2586 cf::server_tick; # one server iteration 3324 cf::server_tick; # one server iteration
3325
3326 0 && sync_job {#d#
3327 for(1..10) {
3328 my $t = Event::time;
3329 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3330 or die;
3331
3332 $map->width (50);
3333 $map->height (50);
3334 $map->alloc;
3335 $map->_load_objects ("/tmp/x.map", 1);
3336 my $t = Event::time - $t;
3337
3338 #next unless $t < 0.0013;#d#
3339 if ($t < $min) {
3340 $min = $t;
3341 }
3342 $avg = $avg * 0.99 + $t * 0.01;
3343 }
3344 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3345 exit 0;
3346 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3347 };
3348
2587 $RUNTIME += $TICK; 3349 $RUNTIME += $TICK;
2588 $NEXT_TICK += $TICK; 3350 $NEXT_TICK += $TICK;
2589 3351
2590 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3352 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591 $NEXT_RUNTIME_WRITE = $NOW + 10; 3353 $NEXT_RUNTIME_WRITE = $NOW + 10;
2593 write_runtime 3355 write_runtime
2594 or warn "ERROR: unable to write runtime file: $!"; 3356 or warn "ERROR: unable to write runtime file: $!";
2595 }; 3357 };
2596 } 3358 }
2597 3359
2598 $WAIT_FOR_TICK->broadcast;
2599 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601# my $AFTER = Event::time; 3360# my $AFTER = Event::time;
2602# warn $AFTER - $NOW;#d# 3361# warn $AFTER - $NOW;#d#
2603 3362
3363 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3364 $sig->send;
3365 }
3366 while (my $sig = shift @WAIT_FOR_TICK) {
3367 $sig->send;
3368 }
3369
3370 $NOW = Event::time;
3371
2604 # if we are delayed by four ticks or more, skip them all 3372 # if we are delayed by four ticks or more, skip them all
2605 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3373 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2606 3374
2607 $TICK_WATCHER->at ($NEXT_TICK); 3375 $TICK_WATCHER->at ($NEXT_TICK);
2608 $TICK_WATCHER->start; 3376 $TICK_WATCHER->start;
3377
3378 $LOAD = ($NOW - $tick_start) / $TICK;
3379 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3380
3381 _post_tick;
3382
3383
2609 }, 3384 },
2610); 3385);
2611 3386
2612{ 3387{
2613 BDB::max_poll_time $TICK * 0.1; 3388 BDB::max_poll_time $TICK * 0.1;
2641 3416
2642 cf::sync_job { 3417 cf::sync_job {
2643 eval { 3418 eval {
2644 BDB::db_env_open 3419 BDB::db_env_open
2645 $DB_ENV, 3420 $DB_ENV,
2646 $BDB_ENV_DIR, 3421 $BDBDIR,
2647 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3422 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3423 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649 0666; 3424 0666;
2650 3425
2651 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3426 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652 3427
2653 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3428 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654 $DB_ENV->set_lk_detect; 3429 $DB_ENV->set_lk_detect;
2655 }; 3430 };
2656 3431
2672 prio => 6, 3447 prio => 6,
2673 cb => \&IO::AIO::poll_cb, 3448 cb => \&IO::AIO::poll_cb,
2674 ); 3449 );
2675} 3450}
2676 3451
3452my $_log_backtrace;
3453
3454sub _log_backtrace {
3455 my ($msg, @addr) = @_;
3456
3457 $msg =~ s/\n//;
3458
3459 # limit the # of concurrent backtraces
3460 if ($_log_backtrace < 2) {
3461 ++$_log_backtrace;
3462 async {
3463 my @bt = fork_call {
3464 @addr = map { sprintf "%x", $_ } @addr;
3465 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3466 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3467 or die "addr2line: $!";
3468
3469 my @funcs;
3470 my @res = <$fh>;
3471 chomp for @res;
3472 while (@res) {
3473 my ($func, $line) = splice @res, 0, 2, ();
3474 push @funcs, "[$func] $line";
3475 }
3476
3477 @funcs
3478 };
3479
3480 LOG llevInfo, "[ABT] $msg\n";
3481 LOG llevInfo, "[ABT] $_\n" for @bt;
3482 --$_log_backtrace;
3483 };
3484 } else {
3485 LOG llevInfo, "[ABT] $msg\n";
3486 LOG llevInfo, "[ABT] [suppressed]\n";
3487 }
3488}
3489
3490# load additional modules
3491use cf::pod;
3492
2677END { cf::emergency_save } 3493END { cf::emergency_save }
2678 3494
26791 34951
2680 3496

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