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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.392 by root, Fri Oct 26 04:44:54 2007 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable;
10use Event; 9use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.61 (); 15use Coro 4.1 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
24 25
26use JSON::XS ();
25use BDB (); 27use BDB ();
26use Data::Dumper; 28use Data::Dumper;
27use Digest::MD5; 29use Digest::MD5;
28use Fcntl; 30use Fcntl;
29use YAML::Syck (); 31use YAML::Syck ();
30use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
31use Time::HiRes; 33use Time::HiRes;
32use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
33 36
34# configure various modules to our taste 37# configure various modules to our taste
35# 38#
36$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
37Coro::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
… …
49our %COMMAND = (); 52our %COMMAND = ();
50our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
51 54
52our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
56 60
57our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
58our @EVENT; 62our @EVENT;
59our $LIBDIR = datadir . "/ext"; 63
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";
60 75
61our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62our $TICK_WATCHER; 77our $TICK_WATCHER;
63our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65our $NEXT_TICK; 80our $NEXT_TICK;
66our $NOW; 81our $NOW;
67our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
68 83
69our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
70our $DB_ENV; 88our $DB_ENV;
71 89
72our %CFG; 90our %CFG;
73 91
74our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
75our $RUNTIME; 93our $RUNTIME;
76 94
77our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
78our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
79our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
80our $RANDOM_MAPS = cf::localdir . "/random";
81our $BDB_ENV_DIR = cf::localdir . "/db";
82 98
83# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
86binmode STDOUT; 106binmode STDOUT;
87binmode STDERR; 107binmode STDERR;
88 108
89# read virtual server time, if available 109# read virtual server time, if available
90unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
92 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
93 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
94} 114}
95 115
96mkdir cf::localdir; 116mkdir $_
97mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98mkdir cf::localdir . "/" . cf::tmpdir;
99mkdir cf::localdir . "/" . cf::uniquedir;
100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
102 118
103our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
104 120
105sub cf::map::normalise; 121sub cf::map::normalise;
106 122
… …
117=item $cf::RUNTIME 133=item $cf::RUNTIME
118 134
119The time this server has run, starts at 0 and is increased by $cf::TICK on 135The time this server has run, starts at 0 and is increased by $cf::TICK on
120every server tick. 136every server tick.
121 137
122=item $cf::LIBDIR 138=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123 141
124The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
125be found. It will be added to C<@INC> automatically. 143directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144unique-items directory, player file directory, random maps directory and
145database environment.
126 146
127=item $cf::NOW 147=item $cf::NOW
128 148
129The time of the last (current) server tick. 149The time of the last (current) server tick.
130 150
131=item $cf::TICK 151=item $cf::TICK
132 152
133The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
134 164
135=item %cf::CFG 165=item %cf::CFG
136 166
137Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
138from wherever your confdir points to. 168from wherever your confdir points to.
… …
141 171
142These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143returns directly I<after> the tick processing (and consequently, can only wake one process 173returns directly I<after> the tick processing (and consequently, can only wake one process
144per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
181
146=back 182=back
147 183
148=cut 184=cut
149 185
150BEGIN { 186BEGIN {
… …
152 my $msg = join "", @_; 188 my $msg = join "", @_;
153 189
154 $msg .= "\n" 190 $msg .= "\n"
155 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
156 192
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158 194
159 utf8::encode $msg;
160 LOG llevError, $msg; 195 LOG llevError, $msg;
161 }; 196 };
162} 197}
163 198
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170 206
171# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
172# within the Safe compartment. 208# within the Safe compartment.
173for my $pkg (qw( 209for my $pkg (qw(
174 cf::global cf::attachable 210 cf::global cf::attachable
… …
182} 218}
183 219
184$Event::DIED = sub { 220$Event::DIED = sub {
185 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
186}; 222};
223
224#############################################################################
187 225
188=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
189 227
190=over 4 228=over 4
191 229
… …
210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211 $d 249 $d
212 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
213} 251}
214 252
215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
218 254
219Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
220 256
221=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
222 258
223Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
260
261=cut
262
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264
265sub to_json ($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) }
224 267
225=item cf::lock_wait $string 268=item cf::lock_wait $string
226 269
227Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
228 271
… …
231Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
232a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
234returned. 277returned.
235 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
236Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
237uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
238 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
239=cut 289=cut
240 290
241our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
242 293
243sub lock_wait($) { 294sub lock_wait($) {
244 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
245 301
246 # wait for lock, if any 302 # wait for lock, if any
247 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
248 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
249 Coro::schedule; 305 Coro::schedule;
… …
255 311
256 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
257 lock_wait $key; 313 lock_wait $key;
258 314
259 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
260 317
261 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
262 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
264 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
265} 329}
266 330
267sub freeze_mainloop { 331sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
269 333
… …
272 }; 336 };
273 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
274 $guard 338 $guard
275} 339}
276 340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
397}
398
277=item cf::async { BLOCK } 399=item cf::async { BLOCK }
278 400
279Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
280C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 402C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
… …
284 406
285BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
286 408
287=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
288 410
289The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
291reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
292 415
293If it must be done, put the blocking parts into C<sync_job>. This will run 416If it must be done, put the blocking parts into C<sync_job>. This will run
294the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
295server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
296fast or be very important. 419fast or be very important.
… …
299 422
300sub sync_job(&) { 423sub sync_job(&) {
301 my ($job) = @_; 424 my ($job) = @_;
302 425
303 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
304 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
306 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
307 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
308 # (but this is cancel-safe) 435 # (but this is cancel-safe)
309 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
310 437
311 my $busy = 1; 438 my $busy = 1;
312 my @res; 439 my @res;
313 440
314 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
315 @res = eval { $job->() }; 443 @res = eval { $job->() };
316 warn $@ if $@; 444 warn $@ if $@;
317 undef $busy; 445 undef $busy;
318 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
319 447
320 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
321 Coro::cede or Event::one_event; 452 Event::one_event;
322 } 453 }
454 }
455
456 $time = Event::time - $time;
457
458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461 $tick_start += $time; # do not account sync jobs to server load
323 462
324 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
325 } else { 464 } else {
326 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
327 466
… …
347 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
348 487
349 $coro 488 $coro
350} 489}
351 490
352sub write_runtime { 491=item fork_call { }, $args
353 my $guard = cf::lock_acquire "write_runtime";
354 492
355 my $runtime = cf::localdir . "/runtime"; 493Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling.
356 497
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 498=cut
358 or return;
359 499
360 my $value = $cf::RUNTIME + 90 + 10; 500sub fork_call(&@) {
361 # 10 is the runtime save interval, for a monotonic clock 501 my ($cb, @args) = @_;
362 # 60 allows for the watchdog to kill the server.
363 502
364 (aio_write $fh, 0, (length $value), $value, 0) <= 0 503 # we seemingly have to make a local copy of the whole thing,
365 and return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
366 506
367 # always fsync - this file is important 507 my @res = Coro::Util::fork_eval {
368 aio_fsync $fh 508 reset_signals;
369 and return; 509 &$cb
510 }, @args;
370 511
371 close $fh 512 wantarray ? @res : $res[-1]
372 or return; 513}
373 514
374 aio_rename "$runtime~", $runtime 515=item $value = cf::db_get $family => $key
375 and return;
376 516
517Returns a single value from the environment database.
518
519=item cf::db_put $family => $key => $value
520
521Stores the given C<$value> in the family. It can currently store binary
522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
523
524=item $db = cf::db_table "name"
525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
547
548our $DB;
549
550sub db_init {
551 cf::sync_job {
552 $DB ||= db_table "db";
553 };
554}
555
556sub db_get($$) {
557 my $key = "$_[0]/$_[1]";
558
559 cf::sync_job {
560 BDB::db_get $DB, undef, $key, my $data;
561
562 $! ? ()
563 : $data
377 1 564 }
565}
566
567sub db_put($$$) {
568 BDB::dbreq_pri 4;
569 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
570}
571
572=item cf::cache $id => [$paths...], $processversion => $process
573
574Generic caching function that returns the value of the resource $id,
575caching and regenerating as required.
576
577This function can block.
578
579=cut
580
581sub cache {
582 my ($id, $src, $processversion, $process) = @_;
583
584 my $meta =
585 join "\x00",
586 $processversion,
587 map {
588 aio_stat $_
589 and Carp::croak "$_: $!";
590
591 ($_, (stat _)[7,9])
592 } @$src;
593
594 my $dbmeta = db_get cache => "$id/meta";
595 if ($dbmeta ne $meta) {
596 # changed, we may need to process
597
598 my @data;
599 my $md5;
600
601 for (0 .. $#$src) {
602 0 <= aio_load $src->[$_], $data[$_]
603 or Carp::croak "$src->[$_]: $!";
604 }
605
606 # if processing is expensive, check
607 # checksum first
608 if (1) {
609 $md5 =
610 join "\x00",
611 $processversion,
612 map {
613 cf::cede_to_tick;
614 ($src->[$_], Digest::MD5::md5_hex $data[$_])
615 } 0.. $#$src;
616
617
618 my $dbmd5 = db_get cache => "$id/md5";
619 if ($dbmd5 eq $md5) {
620 db_put cache => "$id/meta", $meta;
621
622 return db_get cache => "$id/data";
623 }
624 }
625
626 my $t1 = Time::HiRes::time;
627 my $data = $process->(\@data);
628 my $t2 = Time::HiRes::time;
629
630 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
631
632 db_put cache => "$id/data", $data;
633 db_put cache => "$id/md5" , $md5;
634 db_put cache => "$id/meta", $meta;
635
636 return $data;
637 }
638
639 db_get cache => "$id/data"
378} 640}
379 641
380=item cf::datalog type => key => value, ... 642=item cf::datalog type => key => value, ...
381 643
382Log a datalog packet of the given type with the given key-value pairs. 644Log a datalog packet of the given type with the given key-value pairs.
… …
400attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
401to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
402 664
403In the following description, CLASS can be any of C<global>, C<object> 665In the following description, CLASS can be any of C<global>, C<object>
404C<player>, C<client> or C<map> (i.e. the attachable objects in 666C<player>, C<client> or C<map> (i.e. the attachable objects in
405crossfire+). 667Crossfire TRT).
406 668
407=over 4 669=over 4
408 670
409=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
410 672
… …
573 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
574 836
575 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 841
580 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 843 my $pkg = shift @arg;
582 844
583 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
… …
612 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
613 } 875 }
614 876
615 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
616 } else { 878 } else {
617 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
618 } 880 }
619 881
620 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
621} 883}
622 884
… …
624 if (ref $_[0]) { 886 if (ref $_[0]) {
625 _object_attach @_; 887 _object_attach @_;
626 } else { 888 } else {
627 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
628 } 890 }
891 _recalc_want;
629}; 892};
630 893
631# all those should be optimised 894# all those should be optimised
632sub cf::attachable::detach { 895sub cf::attachable::detach {
633 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
… …
636 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
637 reattach ($obj); 900 reattach ($obj);
638 } else { 901 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
640 } 903 }
904 _recalc_want;
641}; 905};
642 906
643sub cf::attachable::attached { 907sub cf::attachable::attached {
644 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
645 909
… …
660 "; 924 ";
661 die if $@; 925 die if $@;
662} 926}
663 927
664our $override; 928our $override;
665our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 929our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666 930
667sub override { 931sub override {
668 $override = 1; 932 $override = 1;
669 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
670} 934}
671 935
672sub do_invoke { 936sub do_invoke {
673 my $event = shift; 937 my $event = shift;
674 my $callbacks = shift; 938 my $callbacks = shift;
675 939
676 @invoke_results = (); 940 @INVOKE_RESULTS = ();
677 941
678 local $override; 942 local $override;
679 943
680 for (@$callbacks) { 944 for (@$callbacks) {
681 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
… …
698 962
699Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
700 964
701This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 965This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702removed in future versions), and there is no public API to access override 966removed in future versions), and there is no public API to access override
703results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704 968
705=back 969=back
706 970
707=cut 971=cut
708 972
709############################################################################# 973#############################################################################
710# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
711 1017
712sub reattach { 1018sub reattach {
713 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
714 my ($obj) = @_; 1020 my ($obj) = @_;
715 1021
… …
762sub object_freezer_save { 1068sub object_freezer_save {
763 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
764 1070
765 sync_job { 1071 sync_job {
766 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
767 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
768 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
769 1076
770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
772 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
774 close $fh; 1081 close $fh;
775 1082
776 if (@$objs) { 1083 if (@$objs) {
777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1084 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
779 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
781 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
782 close $fh; 1089 close $fh;
783 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
784 } 1091 }
… …
792 } 1099 }
793 } else { 1100 } else {
794 aio_unlink $filename; 1101 aio_unlink $filename;
795 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
796 } 1103 }
797 } 1104 };
798} 1105}
799 1106
800sub object_freezer_as_string { 1107sub object_freezer_as_string {
801 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
802 1109
… …
814 or return; 1121 or return;
815 1122
816 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
817 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
818 or return; 1125 or return;
1126
819 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
820 } 1129 }
821 1130
1131 utf8::decode (my $decname = $filename);
822 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
824 return ($data, $av); 1135 ($data, $av)
825} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
826 1143
827############################################################################# 1144#############################################################################
828# command handling &c 1145# command handling &c
829 1146
830=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
… …
843 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
844} 1161}
845 1162
846=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
847 1164
848Register a callbackf ro execution when the client sends an extcmd packet. 1165Register a callback for execution when the client sends an (synchronous)
1166extcmd packet. Ext commands will be processed in the order they are
1167received by the server, like other user commands. The first argument is
1168the logged-in player. Ext commands can only be processed after a player
1169has logged in successfully.
849 1170
850If the callback returns something, it is sent back as if reply was being 1171If the callback returns something, it is sent back as if reply was being
851called. 1172called.
852 1173
1174=item cf::register_exticmd $name => \&callback($ns,$packet);
1175
1176Register a callback for execution when the client sends an (asynchronous)
1177exticmd packet. Exti commands are processed by the server as soon as they
1178are received, i.e. out of order w.r.t. other commands. The first argument
1179is a client socket. Exti commands can be received anytime, even before
1180log-in.
1181
1182If the callback returns something, it is sent back as if reply was being
1183called.
1184
853=cut 1185=cut
854 1186
855sub register_extcmd { 1187sub register_extcmd {
856 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
857 1189
858 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
859} 1197}
860 1198
861cf::player->attach ( 1199cf::player->attach (
862 on_command => sub { 1200 on_command => sub {
863 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
… …
872 cf::override; 1210 cf::override;
873 }, 1211 },
874 on_extcmd => sub { 1212 on_extcmd => sub {
875 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
876 1214
877 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878 1216
879 if (ref $msg) { 1217 if (ref $msg) {
1218 my ($type, $reply, @payload) =
1219 "ARRAY" eq ref $msg
1220 ? @$msg
1221 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222
1223 my @reply;
1224
880 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
881 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
882 $pl->ext_reply ($msg->{msgid}, %reply);
883 }
884 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
885 } else { 1232 } else {
886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887 } 1234 }
888 1235
889 cf::override; 1236 cf::override;
890 }, 1237 },
891); 1238);
892 1239
893sub load_extension {
894 my ($path) = @_;
895
896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
897 my $base = $1;
898 my $pkg = $1;
899 $pkg =~ s/[^[:word:]]/_/g;
900 $pkg = "ext::$pkg";
901
902 warn "... loading '$path' into '$pkg'\n";
903
904 open my $fh, "<:utf8", $path
905 or die "$path: $!";
906
907 my $source =
908 "package $pkg; use strict; use utf8;\n"
909 . "#line 1 \"$path\"\n{\n"
910 . (do { local $/; <$fh> })
911 . "\n};\n1";
912
913 unless (eval $source) {
914 my $msg = $@ ? "$path: $@\n"
915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
923
924 push @EXTS, $pkg;
925}
926
927sub load_extensions { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
928 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
929 next unless -r $ext; 1245 next unless -r $path;
930 eval { 1246
931 load_extension $ext; 1247 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1248 my $base = $1;
1249 my $pkg = $1;
1250 $pkg =~ s/[^[:word:]]/_/g;
1251 $pkg = "ext::$pkg";
1252
1253 open my $fh, "<:utf8", $path
1254 or die "$path: $!";
1255
1256 my $source = do { local $/; <$fh> };
1257
1258 my %ext = (
1259 path => $path,
1260 base => $base,
1261 pkg => $pkg,
1262 );
1263
1264 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266
1267 $ext{source} =
1268 "package $pkg; use strict; use utf8;\n"
1269 . "#line 1 \"$path\"\n{\n"
1270 . $source
1271 . "\n};\n1";
1272
1273 $todo{$base} = \%ext;
1274 }
1275
1276 my %done;
1277 while (%todo) {
1278 my $progress;
1279
1280 while (my ($k, $v) = each %todo) {
1281 for (split /,\s*/, $v->{meta}{depends}) {
1282 goto skip
1283 unless exists $done{$_};
1284 }
1285
1286 warn "... loading '$k' into '$v->{pkg}'\n";
1287
1288 unless (eval $v->{source}) {
1289 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n";
1291
1292 if (exists $v->{meta}{mandatory}) {
1293 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n";
1295 exit 1;
1296 }
1297
1298 warn $msg;
1299 }
1300
1301 $done{$k} = delete $todo{$k};
1302 push @EXTS, $v->{pkg};
1303 $progress = 1;
932 1 1304 }
933 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
934 } 1310 };
935} 1311}
936 1312
937############################################################################# 1313#############################################################################
938 1314
1315=back
1316
939=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
940 1318
941Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
942 1320
943=cut 1321=cut
… …
948 1326
949=head3 cf::player 1327=head3 cf::player
950 1328
951=over 4 1329=over 4
952 1330
1331=item cf::player::num_playing
1332
1333Returns the official number of playing players, as per the Crossfire metaserver rules.
1334
1335=cut
1336
1337sub num_playing {
1338 scalar grep
1339 $_->ob->map
1340 && !$_->hidden
1341 && !$_->ob->flag (cf::FLAG_WIZ),
1342 cf::player::list
1343}
1344
953=item cf::player::find $login 1345=item cf::player::find $login
954 1346
955Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
956 1348
957=cut 1349=cut
958 1350
959sub playerdir($) { 1351sub playerdir($) {
960 cf::localdir 1352 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1354}
966 1355
967sub path($) { 1356sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl"; 1387 aio_unlink +(playerdir $login) . "/$login.pl";
999 1388
1000 my $pl = load_pl path $login 1389 my $f = new_from_file cf::object::thawer path $login
1001 or return; 1390 or return;
1391
1392 my $pl = cf::player::load_pl $f
1393 or return;
1394 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs;
1002 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
1003 } 1397 }
1004 } 1398 }
1005} 1399}
1006 1400
… …
1016 1410
1017 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1018 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1019 1413
1020 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1021 Coro::cede; 1415 cf::cede_to_tick;
1022} 1416}
1023 1417
1024sub new($) { 1418sub new($) {
1025 my ($login) = @_; 1419 my ($login) = @_;
1026 1420
… …
1030 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1031 1425
1032 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1033 1427
1034 $self 1428 $self
1429}
1430
1431=item $player->send_msg ($channel, $msg, $color, [extra...])
1432
1433=cut
1434
1435sub send_msg {
1436 my $ns = shift->ns
1437 or return;
1438 $ns->send_msg (@_);
1035} 1439}
1036 1440
1037=item $pl->quit_character 1441=item $pl->quit_character
1038 1442
1039Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
… …
1088while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1089 1493
1090=cut 1494=cut
1091 1495
1092sub list_logins { 1496sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1498 or return [];
1095 1499
1096 my @logins; 1500 my @logins;
1097 1501
1098 for my $login (@$dirs) { 1502 for my $login (@$dirs) {
1503 my $path = path $login;
1504
1505 # a .pst is a dead give-away for a valid player
1506 unless (-e "$path.pst") {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1102 1511
1103 utf8::decode $login; 1512 utf8::decode $login;
1104 push @logins, $login; 1513 push @logins, $login;
1105 } 1514 }
1106 1515
… …
1133 } 1542 }
1134 1543
1135 \@paths 1544 \@paths
1136} 1545}
1137 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553 use re 'eval';
1554
1555my $group;
1556my $interior; $interior = qr{
1557 (?:
1558 \ (.*?)\ (?{ $group = $^N })
1559 | < (??{$interior}) >
1560 )
1561}x;
1562
1563sub expand_cfpod {
1564 my ($self, $pod) = @_;
1565
1566 my $xml;
1567
1568 while () {
1569 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1570 $group = $1;
1571
1572 $group =~ s/&/&amp;/g;
1573 $group =~ s/</&lt;/g;
1574
1575 $xml .= $group;
1576 } elsif ($pod =~ m%\G
1577 ([BCGHITU])
1578 <
1579 (?:
1580 ([^<>]*) (?{ $group = $^N })
1581 | < $interior >
1582 )
1583 >
1584 %gcsx
1585 ) {
1586 my ($code, $data) = ($1, $group);
1587
1588 if ($code eq "B") {
1589 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590 } elsif ($code eq "I") {
1591 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592 } elsif ($code eq "U") {
1593 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594 } elsif ($code eq "C") {
1595 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596 } elsif ($code eq "T") {
1597 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598 } elsif ($code eq "G") {
1599 my ($male, $female) = split /\|/, $data;
1600 $data = $self->gender ? $female : $male;
1601 $xml .= expand_cfpod ($self, $data);
1602 } elsif ($code eq "H") {
1603 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605 "")
1606 [$self->{hintmode}];
1607 } else {
1608 $xml .= "error processing '$code($data)' directive";
1609 }
1610 } else {
1611 if ($pod =~ /\G(.+)/) {
1612 warn "parse error while expanding $pod (at $1)";
1613 }
1614 last;
1615 }
1616 }
1617
1618 for ($xml) {
1619 # create single paragraphs (very hackish)
1620 s/(?<=\S)\n(?=\w)/ /g;
1621
1622 # compress some whitespace
1623 s/\s+\n/\n/g; # ws line-ends
1624 s/\n\n+/\n/g; # double lines
1625 s/^\n+//; # beginning lines
1626 s/\n+$//; # ending lines
1627 }
1628
1629 $xml
1630}
1631
1632sub hintmode {
1633 $_[0]{hintmode} = $_[1] if @_ > 1;
1634 $_[0]{hintmode}
1635}
1636
1138=item $player->ext_reply ($msgid, %msg) 1637=item $player->ext_reply ($msgid, @msg)
1139 1638
1140Sends an ext reply to the player. 1639Sends an ext reply to the player.
1141 1640
1142=cut 1641=cut
1143 1642
1144sub ext_reply($$%) { 1643sub ext_reply($$@) {
1145 my ($self, $id, %msg) = @_; 1644 my ($self, $id, @msg) = @_;
1146 1645
1147 $msg{msgid} = $id; 1646 $self->ns->ext_reply ($id, @msg)
1148
1149 $self->send ("ext " . cf::to_json \%msg);
1150} 1647}
1151 1648
1152=item $player->ext_event ($type, %msg) 1649=item $player->ext_msg ($type, @msg)
1153 1650
1154Sends an ext event to the client. 1651Sends an ext event to the client.
1155 1652
1156=cut 1653=cut
1157 1654
1158sub ext_event($$%) { 1655sub ext_msg($$@) {
1159 my ($self, $type, %msg) = @_; 1656 my ($self, $type, @msg) = @_;
1160 1657
1161 $self->ns->ext_event ($type, %msg); 1658 $self->ns->ext_msg ($type, @msg);
1162} 1659}
1163 1660
1164=head3 cf::region 1661=head3 cf::region
1165 1662
1166=over 4 1663=over 4
… …
1169 1666
1170package cf::region; 1667package cf::region;
1171 1668
1172=item cf::region::find_by_path $path 1669=item cf::region::find_by_path $path
1173 1670
1174Tries to decuce the probable region for a map knowing only its path. 1671Tries to decuce the likely region for a map knowing only its path.
1175 1672
1176=cut 1673=cut
1177 1674
1178sub find_by_path($) { 1675sub find_by_path($) {
1179 my ($path) = @_; 1676 my ($path) = @_;
1180 1677
1181 my ($match, $specificity); 1678 my ($match, $specificity);
1182 1679
1183 for my $region (list) { 1680 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) { 1681 if ($region->{match} && $path =~ $region->{match}) {
1185 ($match, $specificity) = ($region, $region->specificity) 1682 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity; 1683 if $region->specificity > $specificity;
1187 } 1684 }
1188 } 1685 }
1189 1686
… …
1253 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1254 1751
1255 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1256 local $self->{path}; 1753 local $self->{path};
1257 local $self->{load_path}; 1754 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260 1755
1261 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1262} 1757}
1263 1758
1264sub normalise { 1759sub normalise {
… …
1311 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1312 return $self; 1807 return $self;
1313 } 1808 }
1314 } 1809 }
1315 1810
1316 Carp::carp "unable to resolve path '$path' (base '$base')."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1317 () 1812 ()
1318} 1813}
1319 1814
1320sub init { 1815sub init {
1321 my ($self) = @_; 1816 my ($self) = @_;
… …
1336 1831
1337# the original (read-only) location 1832# the original (read-only) location
1338sub load_path { 1833sub load_path {
1339 my ($self) = @_; 1834 my ($self) = @_;
1340 1835
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1836 "$MAPDIR/$self->{path}.map"
1342} 1837}
1343 1838
1344# the temporary/swap location 1839# the temporary/swap location
1345sub save_path { 1840sub save_path {
1346 my ($self) = @_; 1841 my ($self) = @_;
1347 1842
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1844 "$TMPDIR/$path.map"
1350} 1845}
1351 1846
1352# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1353sub uniq_path { 1848sub uniq_path {
1354 my ($self) = @_; 1849 my ($self) = @_;
1355 1850
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1852 "$UNIQUEDIR/$path"
1358} 1853}
1359 1854
1360# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1361# all maps in C++... 1856# all maps in C++...
1362sub change_all_map_light { 1857sub change_all_map_light {
… …
1364 1859
1365 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1366 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1367} 1862}
1368 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1369sub unlink_save { 1872sub unlink_save {
1370 my ($self) = @_; 1873 my ($self) = @_;
1371 1874
1372 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1376 1879
1377sub load_header_from($) { 1880sub load_header_from($) {
1378 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1379 1882
1380 utf8::encode $path; 1883 utf8::encode $path;
1381 #aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1382 # or return;
1383
1384 $self->_load_header ($path)
1385 or return; 1885 or return;
1886
1887 $self->_load_header ($f)
1888 or return;
1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1386 1892
1387 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1388 1894
1389 1 1895 1
1390} 1896}
… …
1429 $self->load_header_orig 1935 $self->load_header_orig
1430 or return; 1936 or return;
1431 $self->prepare_orig; 1937 $self->prepare_orig;
1432 } 1938 }
1433 1939
1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1942
1434 $self->default_region (cf::region::find_by_path $self->{path}) 1943 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region; 1944 unless $self->default_region;
1436 1945
1437 1 1946 1
1438} 1947}
… …
1441sub find { 1950sub find {
1442 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1443 1952
1444 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1445 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1446 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1447 1957
1448 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1449 my $guard = cf::lock_acquire "map_find:$path"; 1959 my $guard1 = cf::lock_acquire "map_find:$path";
1960 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1450 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1451 or return; 1963 or return;
1452 1964
1453 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1454 1966
1455 $map->load_header 1967 $map->load_header
1456 or return; 1968 or return;
1457 1969
1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard1;
1974 undef $guard2;
1461 $map->reset; 1975 $map->reset;
1462 undef $guard;
1463 return find $path; 1976 return find $path;
1464 } 1977 }
1465 1978
1466 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1467 } 1980 }
… …
1474 my ($self) = @_; 1987 my ($self) = @_;
1475 1988
1476 local $self->{deny_reset} = 1; # loading can take a long time 1989 local $self->{deny_reset} = 1; # loading can take a long time
1477 1990
1478 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1479 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1480 1995
1996 return unless $self->valid;
1481 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1482 1998
1483 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1484 2000
1485 $self->alloc; 2001 $self->alloc;
1486 2002
1487 $self->pre_load; 2003 $self->pre_load;
1488 Coro::cede; 2004 cf::cede_to_tick;
1489 2005
1490 $self->_load_objects ($self->{load_path}, 1) 2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
2008 $self->_load_objects ($f)
1491 or return; 2009 or return;
1492 2010
1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1495 2013
1496 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1497 utf8::encode $uniq; 2015 utf8::encode $uniq;
1498 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1499 $self->clear_unique_items; 2018 $self->clear_unique_items;
1500 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1501 } 2022 }
1502 } 2023 }
1503 2024
1504 Coro::cede; 2025 $f->resolve_delayed_derefs;
2026
2027 cf::cede_to_tick;
1505 # now do the right thing for maps 2028 # now do the right thing for maps
1506 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1507 Coro::cede;
1508
1509 unless ($self->{deny_activate}) {
1510 $self->decay_objects;
1511 $self->fix_auto_apply;
1512 $self->update_buttons;
1513 Coro::cede;
1514 $self->set_darkness_map;
1515 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1516 unless $self->difficulty; 2031 unless $self->difficulty;
1517 Coro::cede; 2032 cf::cede_to_tick;
2033
2034 unless ($self->{deny_activate}) {
2035 $self->decay_objects;
2036 $self->fix_auto_apply;
2037 $self->update_buttons;
2038 cf::cede_to_tick;
2039 $self->set_darkness_map;
2040 cf::cede_to_tick;
1518 $self->activate; 2041 $self->activate;
1519 Coro::cede; 2042 }
2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
2047 $self->in_memory (cf::MAP_IN_MEMORY);
1520 } 2048 }
1521 2049
1522 $self->post_load; 2050 $self->post_load;
1523 Coro::cede;
1524
1525 $self->in_memory (cf::MAP_IN_MEMORY);
1526} 2051}
1527 2052
1528sub customise_for { 2053sub customise_for {
1529 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1530 2055
1531 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1532 if $self->per_player; 2057 if $self->per_player;
1533 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1534 $self 2062 $self
1535} 2063}
1536 2064
1537# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1538sub load_diag { 2066sub load_neighbours {
1539 my ($map) = @_; 2067 my ($map) = @_;
1540 2068
1541 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1542 2070
1543 for (0 .. 3) { 2071 for (0 .. 3) {
1544 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1545 or next; 2073 or next;
1546 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1547 or next; 2075 or next;
1548 $neigh->load; 2076 $neigh->load;
1549 2077
2078 push @neigh,
1550 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1551 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1552 } 2081 }
1553 2082
1554 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1555 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1556 or next; 2086 or next;
1557 $neigh->load; 2087 $neigh->load;
1558 } 2088 }
1559} 2089}
1560 2090
… …
1565} 2095}
1566 2096
1567sub do_load_sync { 2097sub do_load_sync {
1568 my ($map) = @_; 2098 my ($map) = @_;
1569 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1570 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1571} 2104}
1572 2105
1573our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1574our $MAP_PREFETCHER = undef; 2107our $MAP_PREFETCHER = undef;
1575 2108
1576sub find_async { 2109sub find_async {
1577 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1578 2111
1579 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1580 2113
1581 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1582 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583 } 2116 }
1584 2117
1585 undef $MAP_PREFETCH{$path}; 2118 $MAP_PREFETCH{$path} |= $load;
2119
1586 $MAP_PREFETCHER ||= cf::async { 2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
1587 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1588 for my $path (keys %MAP_PREFETCH) { 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1589 my $map = find $path 2125 if (my $map = find $k) {
1590 or next;
1591 $map->load; 2126 $map->load if $v;
2127 }
1592 2128
1593 delete $MAP_PREFETCH{$path}; 2129 delete $MAP_PREFETCH{$k};
1594 } 2130 }
1595 } 2131 }
1596 undef $MAP_PREFETCHER; 2132 undef $MAP_PREFETCHER;
1597 }; 2133 };
1598 $MAP_PREFETCHER->prio (6); 2134 $MAP_PREFETCHER->prio (6);
… …
1601} 2137}
1602 2138
1603sub save { 2139sub save {
1604 my ($self) = @_; 2140 my ($self) = @_;
1605 2141
1606 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1607 2143
1608 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1609 2145
1610 return unless $self->dirty; 2146 return unless $self->dirty;
1611 2147
… …
1617 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1618 2154
1619 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1620 2156
1621 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1622 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1623 }; 2160 };
1624 2161
1625 if ($uniq) { 2162 if ($uniq) {
1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2163 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1634 my ($self) = @_; 2171 my ($self) = @_;
1635 2172
1636 # save first because save cedes 2173 # save first because save cedes
1637 $self->save; 2174 $self->save;
1638 2175
1639 my $lock = cf::lock_acquire "map_data:" . $self->path; 2176 my $lock = cf::lock_acquire "map_data:$self->{path}";
1640 2177
1641 return if $self->players; 2178 return if $self->players;
1642 return if $self->in_memory != cf::MAP_IN_MEMORY; 2179 return if $self->in_memory != cf::MAP_IN_MEMORY;
1643 return if $self->{deny_save}; 2180 return if $self->{deny_save};
1644 2181
2182 $self->in_memory (cf::MAP_SWAPPED);
2183
2184 $self->deactivate;
2185 $_->clear_links_to ($self) for values %cf::MAP;
1645 $self->clear; 2186 $self->clear;
1646 $self->in_memory (cf::MAP_SWAPPED);
1647} 2187}
1648 2188
1649sub reset_at { 2189sub reset_at {
1650 my ($self) = @_; 2190 my ($self) = @_;
1651 2191
1652 # TODO: safety, remove and allow resettable per-player maps 2192 # TODO: safety, remove and allow resettable per-player maps
1653 return 1e99 if $self->isa ("ext::map_per_player");#d#
1654 return 1e99 if $self->{deny_reset}; 2193 return 1e99 if $self->{deny_reset};
1655 2194
1656 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2195 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2196 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658 2197
… …
1669 my ($self) = @_; 2208 my ($self) = @_;
1670 2209
1671 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2211
1673 return if $self->players; 2212 return if $self->players;
1674 return if $self->isa ("ext::map_per_player");#d#
1675 2213
1676 warn "resetting map ", $self->path;#d# 2214 warn "resetting map ", $self->path;
1677 2215
1678 $self->in_memory (cf::MAP_SWAPPED); 2216 $self->in_memory (cf::MAP_SWAPPED);
1679 2217
1680 # need to save uniques path 2218 # need to save uniques path
1681 unless ($self->{deny_save}) { 2219 unless ($self->{deny_save}) {
… …
1685 if $uniq; 2223 if $uniq;
1686 } 2224 }
1687 2225
1688 delete $cf::MAP{$self->path}; 2226 delete $cf::MAP{$self->path};
1689 2227
2228 $self->deactivate;
2229 $_->clear_links_to ($self) for values %cf::MAP;
1690 $self->clear; 2230 $self->clear;
1691
1692 $_->clear_links_to ($self) for values %cf::MAP;
1693 2231
1694 $self->unlink_save; 2232 $self->unlink_save;
1695 $self->destroy; 2233 $self->destroy;
1696} 2234}
1697 2235
1698my $nuke_counter = "aaaa"; 2236my $nuke_counter = "aaaa";
1699 2237
1700sub nuke { 2238sub nuke {
1701 my ($self) = @_; 2239 my ($self) = @_;
1702 2240
2241 {
2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
2243
1703 delete $cf::MAP{$self->path}; 2244 delete $cf::MAP{$self->path};
1704 2245
1705 $self->unlink_save; 2246 $self->unlink_save;
1706 2247
1707 bless $self, "cf::map"; 2248 bless $self, "cf::map";
1708 delete $self->{deny_reset}; 2249 delete $self->{deny_reset};
1709 $self->{deny_save} = 1; 2250 $self->{deny_save} = 1;
1710 $self->reset_timeout (1); 2251 $self->reset_timeout (1);
1711 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2252 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712 2253
1713 $cf::MAP{$self->path} = $self; 2254 $cf::MAP{$self->path} = $self;
2255 }
1714 2256
1715 $self->reset; # polite request, might not happen 2257 $self->reset; # polite request, might not happen
2258}
2259
2260=item $maps = cf::map::tmp_maps
2261
2262Returns an arrayref with all map paths of currently instantiated and saved
2263maps. May block.
2264
2265=cut
2266
2267sub tmp_maps() {
2268 [
2269 map {
2270 utf8::decode $_;
2271 /\.map$/
2272 ? normalise $_
2273 : ()
2274 } @{ aio_readdir $TMPDIR or [] }
2275 ]
2276}
2277
2278=item $maps = cf::map::random_maps
2279
2280Returns an arrayref with all map paths of currently instantiated and saved
2281random maps. May block.
2282
2283=cut
2284
2285sub random_maps() {
2286 [
2287 map {
2288 utf8::decode $_;
2289 /\.map$/
2290 ? normalise "?random/$_"
2291 : ()
2292 } @{ aio_readdir $RANDOMDIR or [] }
2293 ]
1716} 2294}
1717 2295
1718=item cf::map::unique_maps 2296=item cf::map::unique_maps
1719 2297
1720Returns an arrayref of paths of all shared maps that have 2298Returns an arrayref of paths of all shared maps that have
1721instantiated unique items. May block. 2299instantiated unique items. May block.
1722 2300
1723=cut 2301=cut
1724 2302
1725sub unique_maps() { 2303sub unique_maps() {
1726 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2304 [
1727 or return; 2305 map {
1728
1729 my @paths;
1730
1731 for (@$files) {
1732 utf8::decode $_; 2306 utf8::decode $_;
1733 next if /\.pst$/; 2307 /\.map$/
1734 next unless /^$PATH_SEP/o; 2308 ? normalise $_
1735 2309 : ()
1736 push @paths, cf::map::normalise $_; 2310 } @{ aio_readdir $UNIQUEDIR or [] }
1737 } 2311 ]
1738
1739 \@paths
1740} 2312}
1741 2313
1742package cf; 2314package cf;
1743 2315
1744=back 2316=back
… …
1762 map { $_, inv_recursive_ $_->inv } @_ 2334 map { $_, inv_recursive_ $_->inv } @_
1763} 2335}
1764 2336
1765sub inv_recursive { 2337sub inv_recursive {
1766 inv_recursive_ inv $_[0] 2338 inv_recursive_ inv $_[0]
2339}
2340
2341=item $ref = $ob->ref
2342
2343creates and returns a persistent reference to an objetc that can be stored as a string.
2344
2345=item $ob = cf::object::deref ($refstring)
2346
2347returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348even if the object actually exists. May block.
2349
2350=cut
2351
2352sub deref {
2353 my ($ref) = @_;
2354
2355 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2356 my ($uuid, $name) = ($1, $2);
2357 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2358 or return;
2359 $pl->ob->uuid eq $uuid
2360 or return;
2361
2362 $pl->ob
2363 } else {
2364 warn "$ref: cannot resolve object reference\n";
2365 undef
2366 }
1767} 2367}
1768 2368
1769package cf; 2369package cf;
1770 2370
1771=back 2371=back
… …
1790 2390
1791 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2391 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792 2392
1793 if ($self->{record_replies}) { 2393 if ($self->{record_replies}) {
1794 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2394 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2395
1795 } else { 2396 } else {
2397 my $pl = $self->contr;
2398
2399 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2400 my $dialog = $pl->{npc_dialog};
2401 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402
2403 } else {
1796 $msg = $npc->name . " says: $msg" if $npc; 2404 $msg = $npc->name . " says: $msg" if $npc;
1797 $self->message ($msg, $flags); 2405 $self->message ($msg, $flags);
2406 }
1798 } 2407 }
2408}
2409
2410=item $object->send_msg ($channel, $msg, $color, [extra...])
2411
2412=cut
2413
2414sub cf::object::send_msg {
2415 my $pl = shift->contr
2416 or return;
2417 $pl->send_msg (@_);
1799} 2418}
1800 2419
1801=item $player_object->may ("access") 2420=item $player_object->may ("access")
1802 2421
1803Returns wether the given player is authorized to access resource "access" 2422Returns wether the given player is authorized to access resource "access"
… …
1850 $self->deactivate_recursive; 2469 $self->deactivate_recursive;
1851 2470
1852 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2471 return if UNIVERSAL::isa $self->map, "ext::map_link";
1853 2472
1854 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2473 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855 if $self->map; 2474 if $self->map && $self->map->{path} ne "{link}";
1856 2475
1857 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2476 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1858} 2477}
1859 2478
1860sub cf::object::player::leave_link { 2479sub cf::object::player::leave_link {
1861 my ($self, $map, $x, $y) = @_; 2480 my ($self, $map, $x, $y) = @_;
2481
2482 return unless $self->contr->active;
1862 2483
1863 my $link_pos = delete $self->{_link_pos}; 2484 my $link_pos = delete $self->{_link_pos};
1864 2485
1865 unless ($map) { 2486 unless ($map) {
1866 # restore original map position 2487 # restore original map position
… …
1880 # use -1 or undef as default coordinates, not 0, 0 2501 # use -1 or undef as default coordinates, not 0, 0
1881 ($x, $y) = ($map->enter_x, $map->enter_y) 2502 ($x, $y) = ($map->enter_x, $map->enter_y)
1882 if $x <=0 && $y <= 0; 2503 if $x <=0 && $y <= 0;
1883 2504
1884 $map->load; 2505 $map->load;
1885 $map->load_diag; 2506 $map->load_neighbours;
1886 2507
1887 return unless $self->contr->active; 2508 return unless $self->contr->active;
1888 $self->activate_recursive; 2509 $self->activate_recursive;
1889 2510
1890 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2511 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891 $self->enter_map ($map, $x, $y); 2512 $self->enter_map ($map, $x, $y);
1892} 2513}
1893 2514
1894cf::player->attach ( 2515=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895 on_logout => sub {
1896 my ($pl) = @_;
1897 2516
1898 # abort map switching before logout 2517Moves the player to the given map-path and coordinates by first freezing
1899 if ($pl->ob->{_link_pos}) { 2518her, loading and preparing them map, calling the provided $check callback
1900 cf::sync_job { 2519that has to return the map if sucecssful, and then unfreezes the player on
1901 $pl->ob->leave_link 2520the new (success) or old (failed) map position. In either case, $done will
1902 }; 2521be called at the end of this process.
1903 }
1904 },
1905 on_login => sub {
1906 my ($pl) = @_;
1907 2522
1908 # try to abort aborted map switching on player login :)
1909 # should happen only on crashes
1910 if ($pl->ob->{_link_pos}) {
1911 $pl->ob->enter_link;
1912 (async {
1913 $pl->ob->reply (undef,
1914 "There was an internal problem at your last logout, "
1915 . "the server will try to bring you to your intended destination in a second.",
1916 cf::NDI_RED);
1917 # we need this sleep as the login has a concurrent enter_exit running
1918 # and this sleep increases chances of the player not ending up in scorn
1919 Coro::Timer::sleep 1;
1920 $pl->ob->leave_link;
1921 })->prio (2);
1922 }
1923 },
1924);
1925
1926=item $player_object->goto ($path, $x, $y)
1927
1928=cut 2523=cut
2524
2525our $GOTOGEN;
1929 2526
1930sub cf::object::player::goto { 2527sub cf::object::player::goto {
1931 my ($self, $path, $x, $y) = @_; 2528 my ($self, $path, $x, $y, $check, $done) = @_;
2529
2530 # do generation counting so two concurrent goto's will be executed in-order
2531 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932 2532
1933 $self->enter_link; 2533 $self->enter_link;
1934 2534
1935 (async { 2535 (async {
2536 $Coro::current->{desc} = "player::goto $path $x $y";
2537
2538 # *tag paths override both path and x|y
2539 if ($path =~ /^\*(.*)$/) {
2540 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2541 my $ob = $obs[rand @obs];
2542
2543 # see if we actually can go there
2544 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2545 $ob = $obs[rand @obs];
2546 } else {
2547 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2548 }
2549 # else put us there anyways for now #d#
2550
2551 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2552 } else {
2553 ($path, $x, $y) = (undef, undef, undef);
2554 }
2555 }
2556
1936 my $map = eval { 2557 my $map = eval {
1937 my $map = cf::map::find $path; 2558 my $map = defined $path ? cf::map::find $path : undef;
2559
2560 if ($map) {
1938 $map = $map->customise_for ($self) if $map; 2561 $map = $map->customise_for ($self);
2562 $map = $check->($map) if $check && $map;
2563 } else {
2564 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566
1939 $map 2567 $map
2568 };
2569
2570 if ($@) {
2571 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2572 LOG llevError | logBacktrace, Carp::longmess $@;
1940 } or 2573 }
1941 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942 2574
2575 if ($gen == $self->{_goto_generation}) {
2576 delete $self->{_goto_generation};
1943 $self->leave_link ($map, $x, $y); 2577 $self->leave_link ($map, $x, $y);
2578 }
2579
2580 $done->() if $done;
1944 })->prio (1); 2581 })->prio (1);
1945} 2582}
1946 2583
1947=item $player_object->enter_exit ($exit_object) 2584=item $player_object->enter_exit ($exit_object)
1948 2585
… …
1987 2624
1988 $rmp->{random_seed} ||= $exit->random_seed; 2625 $rmp->{random_seed} ||= $exit->random_seed;
1989 2626
1990 my $data = cf::to_json $rmp; 2627 my $data = cf::to_json $rmp;
1991 my $md5 = Digest::MD5::md5_hex $data; 2628 my $md5 = Digest::MD5::md5_hex $data;
1992 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2629 my $meta = "$RANDOMDIR/$md5.meta";
1993 2630
1994 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2631 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995 aio_write $fh, 0, (length $data), $data, 0; 2632 aio_write $fh, 0, (length $data), $data, 0;
1996 undef $fh; 2633 undef $fh;
1997 aio_rename "$meta~", $meta; 2634 aio_rename "$meta~", $meta;
… …
2017 my $hp = $exit->stats->hp; 2654 my $hp = $exit->stats->hp;
2018 my $sp = $exit->stats->sp; 2655 my $sp = $exit->stats->sp;
2019 2656
2020 $self->enter_link; 2657 $self->enter_link;
2021 2658
2659 # if exit is damned, update players death & WoR home-position
2660 $self->contr->savebed ($slaying, $hp, $sp)
2661 if $exit->flag (FLAG_DAMNED);
2662
2022 (async { 2663 (async {
2664 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2665
2023 $self->deactivate_recursive; # just to be sure 2666 $self->deactivate_recursive; # just to be sure
2024 unless (eval { 2667 unless (eval {
2025 $self->goto ($slaying, $hp, $sp); 2668 $self->goto ($slaying, $hp, $sp);
2026 2669
2027 1; 2670 1;
… …
2053 2696
2054 utf8::encode $text; 2697 utf8::encode $text;
2055 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2698 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056} 2699}
2057 2700
2701=item $client->send_msg ($channel, $msg, $color, [extra...])
2702
2703Send a drawinfo or msg packet to the client, formatting the msg for the
2704client if neccessary. C<$type> should be a string identifying the type of
2705the message, with C<log> being the default. If C<$color> is negative, suppress
2706the message unless the client supports the msg packet.
2707
2708=cut
2709
2710# non-persistent channels (usually the info channel)
2711our %CHANNEL = (
2712 "c/identify" => {
2713 id => "infobox",
2714 title => "Identify",
2715 reply => undef,
2716 tooltip => "Items recently identified",
2717 },
2718 "c/examine" => {
2719 id => "infobox",
2720 title => "Examine",
2721 reply => undef,
2722 tooltip => "Signs and other items you examined",
2723 },
2724 "c/book" => {
2725 id => "infobox",
2726 title => "Book",
2727 reply => undef,
2728 tooltip => "The contents of a note or book",
2729 },
2730 "c/lookat" => {
2731 id => "infobox",
2732 title => "Look",
2733 reply => undef,
2734 tooltip => "What you saw there",
2735 },
2736 "c/who" => {
2737 id => "infobox",
2738 title => "Players",
2739 reply => undef,
2740 tooltip => "Shows players who are currently online",
2741 },
2742 "c/body" => {
2743 id => "infobox",
2744 title => "Body Parts",
2745 reply => undef,
2746 tooltip => "Shows which body parts you posess and are available",
2747 },
2748 "c/uptime" => {
2749 id => "infobox",
2750 title => "Uptime",
2751 reply => undef,
2752 tooltip => "How long the server has been running since last restart",
2753 },
2754 "c/mapinfo" => {
2755 id => "infobox",
2756 title => "Map Info",
2757 reply => undef,
2758 tooltip => "Information related to the maps",
2759 },
2760);
2761
2762sub cf::client::send_msg {
2763 my ($self, $channel, $msg, $color, @extra) = @_;
2764
2765 $msg = $self->pl->expand_cfpod ($msg);
2766
2767 $color &= cf::NDI_CLIENT_MASK; # just in case...
2768
2769 # check predefined channels, for the benefit of C
2770 if ($CHANNEL{$channel}) {
2771 $channel = $CHANNEL{$channel};
2772
2773 $self->ext_msg (channel_info => $channel)
2774 if $self->can_msg;
2775
2776 $channel = $channel->{id};
2777
2778 } elsif (ref $channel) {
2779 # send meta info to client, if not yet sent
2780 unless (exists $self->{channel}{$channel->{id}}) {
2781 $self->{channel}{$channel->{id}} = $channel;
2782 $self->ext_msg (channel_info => $channel)
2783 if $self->can_msg;
2784 }
2785
2786 $channel = $channel->{id};
2787 }
2788
2789 return unless @extra || length $msg;
2790
2791 if ($self->can_msg) {
2792 # default colour, mask it out
2793 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794 if $color & cf::NDI_DEF;
2795
2796 $self->send_packet ("msg " . $self->{json_coder}->encode (
2797 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2798 } else {
2799 if ($color >= 0) {
2800 # replace some tags by gcfclient-compatible ones
2801 for ($msg) {
2802 1 while
2803 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808 }
2809
2810 $color &= cf::NDI_COLOR_MASK;
2811
2812 utf8::encode $msg;
2813
2814 if (0 && $msg =~ /\[/) {
2815 # COMMAND/INFO
2816 $self->send_packet ("drawextinfo $color 10 8 $msg")
2817 } else {
2818 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819 $self->send_packet ("drawinfo $color $msg")
2820 }
2821 }
2822 }
2823}
2824
2058=item $client->ext_event ($type, %msg) 2825=item $client->ext_msg ($type, @msg)
2059 2826
2060Sends an exti event to the client. 2827Sends an ext event to the client.
2061 2828
2062=cut 2829=cut
2063 2830
2064sub cf::client::ext_event($$%) { 2831sub cf::client::ext_msg($$@) {
2065 my ($self, $type, %msg) = @_; 2832 my ($self, $type, @msg) = @_;
2066 2833
2834 if ($self->extcmd == 2) {
2835 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836 } elsif ($self->extcmd == 1) { # TODO: remove
2067 $msg{msgtype} = "event_$type"; 2837 push @msg, msgtype => "event_$type";
2068 $self->send_packet ("ext " . cf::to_json \%msg); 2838 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839 }
2840}
2841
2842=item $client->ext_reply ($msgid, @msg)
2843
2844Sends an ext reply to the client.
2845
2846=cut
2847
2848sub cf::client::ext_reply($$@) {
2849 my ($self, $id, @msg) = @_;
2850
2851 if ($self->extcmd == 2) {
2852 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853 } elsif ($self->extcmd == 1) {
2854 #TODO: version 1, remove
2855 unshift @msg, msgtype => "reply", msgid => $id;
2856 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857 }
2069} 2858}
2070 2859
2071=item $success = $client->query ($flags, "text", \&cb) 2860=item $success = $client->query ($flags, "text", \&cb)
2072 2861
2073Queues a query to the client, calling the given callback with 2862Queues a query to the client, calling the given callback with
2074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2863the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2864C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076 2865
2077Queries can fail, so check the return code. Or don't, as queries will become 2866Queries can fail, so check the return code. Or don't, as queries will
2078reliable at some point in the future. 2867become reliable at some point in the future.
2079 2868
2080=cut 2869=cut
2081 2870
2082sub cf::client::query { 2871sub cf::client::query {
2083 my ($self, $flags, $text, $cb) = @_; 2872 my ($self, $flags, $text, $cb) = @_;
… …
2091 utf8::encode $text; 2880 utf8::encode $text;
2092 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2881 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093 2882
2094 $self->send_packet ($self->{query_queue}[0][0]) 2883 $self->send_packet ($self->{query_queue}[0][0])
2095 if @{ $self->{query_queue} } == 1; 2884 if @{ $self->{query_queue} } == 1;
2885
2886 1
2096} 2887}
2097 2888
2098cf::client->attach ( 2889cf::client->attach (
2890 on_connect => sub {
2891 my ($ns) = @_;
2892
2893 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2894 },
2099 on_reply => sub { 2895 on_reply => sub {
2100 my ($ns, $msg) = @_; 2896 my ($ns, $msg) = @_;
2101 2897
2102 # this weird shuffling is so that direct followup queries 2898 # this weird shuffling is so that direct followup queries
2103 # get handled first 2899 # get handled first
… …
2115 } else { 2911 } else {
2116 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2912 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117 } 2913 }
2118 } 2914 }
2119 }, 2915 },
2916 on_exticmd => sub {
2917 my ($ns, $buf) = @_;
2918
2919 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2920
2921 if (ref $msg) {
2922 my ($type, $reply, @payload) =
2923 "ARRAY" eq ref $msg
2924 ? @$msg
2925 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2926
2927 my @reply;
2928
2929 if (my $cb = $EXTICMD{$type}) {
2930 @reply = $cb->($ns, @payload);
2931 }
2932
2933 $ns->ext_reply ($reply, @reply)
2934 if $reply;
2935
2936 } else {
2937 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2938 }
2939
2940 cf::override;
2941 },
2120); 2942);
2121 2943
2122=item $client->async (\&cb) 2944=item $client->async (\&cb)
2123 2945
2124Create a new coroutine, running the specified callback. The coroutine will 2946Create a new coroutine, running the specified callback. The coroutine will
… …
2165our $safe = new Safe "safe"; 2987our $safe = new Safe "safe";
2166our $safe_hole = new Safe::Hole; 2988our $safe_hole = new Safe::Hole;
2167 2989
2168$SIG{FPE} = 'IGNORE'; 2990$SIG{FPE} = 'IGNORE';
2169 2991
2170$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2992$safe->permit_only (Opcode::opset qw(
2993 :base_core :base_mem :base_orig :base_math
2994 grepstart grepwhile mapstart mapwhile
2995 sort time
2996));
2171 2997
2172# here we export the classes and methods available to script code 2998# here we export the classes and methods available to script code
2173 2999
2174=pod 3000=pod
2175 3001
2176The following functions and methods are available within a safe environment: 3002The following functions and methods are available within a safe environment:
2177 3003
2178 cf::object contr pay_amount pay_player map 3004 cf::object
3005 contr pay_amount pay_player map x y force_find force_add destroy
3006 insert remove name archname title slaying race decrease_ob_nr
3007
2179 cf::object::player player 3008 cf::object::player
2180 cf::player peaceful 3009 player
2181 cf::map trigger 3010
3011 cf::player
3012 peaceful
3013
3014 cf::map
3015 trigger
2182 3016
2183=cut 3017=cut
2184 3018
2185for ( 3019for (
2186 ["cf::object" => qw(contr pay_amount pay_player map)], 3020 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021 insert remove inv name archname title slaying race
3022 decrease_ob_nr destroy)],
2187 ["cf::object::player" => qw(player)], 3023 ["cf::object::player" => qw(player)],
2188 ["cf::player" => qw(peaceful)], 3024 ["cf::player" => qw(peaceful)],
2189 ["cf::map" => qw(trigger)], 3025 ["cf::map" => qw(trigger)],
2190) { 3026) {
2191 no strict 'refs'; 3027 no strict 'refs';
… …
2262=back 3098=back
2263 3099
2264=cut 3100=cut
2265 3101
2266############################################################################# 3102#############################################################################
2267
2268=head2 EXTENSION DATABASE SUPPORT
2269
2270Crossfire maintains a very simple database for extension use. It can
2271currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272convert to/from binary).
2273
2274The parameter C<$family> should best start with the name of the extension
2275using it, it should be unique.
2276
2277=over 4
2278
2279=item $value = cf::db_get $family => $key
2280
2281Returns a single value from the database.
2282
2283=item cf::db_put $family => $key => $value
2284
2285Stores the given C<$value> in the family.
2286
2287=cut
2288
2289our $DB;
2290
2291sub db_init {
2292 unless ($DB) {
2293 $DB = BDB::db_create $DB_ENV;
2294
2295 cf::sync_job {
2296 eval {
2297 $DB->set_flags (BDB::CHKSUM);
2298
2299 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301 cf::cleanup "db_open(db): $!" if $!;
2302 };
2303 cf::cleanup "db_open(db): $@" if $@;
2304 };
2305 }
2306}
2307
2308sub db_get($$) {
2309 my $key = "$_[0]/$_[1]";
2310
2311 cf::sync_job {
2312 BDB::db_get $DB, undef, $key, my $data;
2313
2314 $! ? ()
2315 : $data
2316 }
2317}
2318
2319sub db_put($$$) {
2320 BDB::dbreq_pri 4;
2321 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322}
2323
2324=item cf::cache $id => [$paths...], $processversion => $process
2325
2326Generic caching function that returns the value of the resource $id,
2327caching and regenerating as required.
2328
2329This function can block.
2330
2331=cut
2332
2333sub cache {
2334 my ($id, $src, $processversion, $process) = @_;
2335
2336 my $meta =
2337 join "\x00",
2338 $processversion,
2339 map {
2340 aio_stat $_
2341 and Carp::croak "$_: $!";
2342
2343 ($_, (stat _)[7,9])
2344 } @$src;
2345
2346 my $dbmeta = db_get cache => "$id/meta";
2347 if ($dbmeta ne $meta) {
2348 # changed, we may need to process
2349
2350 my @data;
2351 my $md5;
2352
2353 for (0 .. $#$src) {
2354 0 <= aio_load $src->[$_], $data[$_]
2355 or Carp::croak "$src->[$_]: $!";
2356 }
2357
2358 # if processing is expensive, check
2359 # checksum first
2360 if (1) {
2361 $md5 =
2362 join "\x00",
2363 $processversion,
2364 map {
2365 Coro::cede;
2366 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2367 } 0.. $#$src;
2368
2369
2370 my $dbmd5 = db_get cache => "$id/md5";
2371 if ($dbmd5 eq $md5) {
2372 db_put cache => "$id/meta", $meta;
2373
2374 return db_get cache => "$id/data";
2375 }
2376 }
2377
2378 my $data = $process->(\@data);
2379
2380 db_put cache => "$id/data", $data;
2381 db_put cache => "$id/md5" , $md5;
2382 db_put cache => "$id/meta", $meta;
2383
2384 return $data;
2385 }
2386
2387 db_get cache => "$id/data"
2388}
2389
2390=item fork_call { }, $args
2391
2392Executes the given code block with the given arguments in a seperate
2393process, returning the results. Everything must be serialisable with
2394Coro::Storable. May, of course, block. Note that the executed sub may
2395never block itself or use any form of Event handling.
2396
2397=cut
2398
2399sub fork_call(&@) {
2400 my ($cb, @args) = @_;
2401
2402# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403# or die "socketpair: $!";
2404 pipe my $fh1, my $fh2
2405 or die "pipe: $!";
2406
2407 if (my $pid = fork) {
2408 close $fh2;
2409
2410 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411 $res = Coro::Storable::thaw $res;
2412
2413 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415 die $$res unless "ARRAY" eq ref $res;
2416
2417 return wantarray ? @$res : $res->[-1];
2418 } else {
2419 eval {
2420 local $SIG{__DIE__};
2421 local $SIG{__WARN__};
2422 close $fh1;
2423
2424 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 };
2427
2428 _exit 0;
2429 }
2430}
2431
2432
2433
2434#############################################################################
2435# the server's init and main functions 3103# the server's init and main functions
2436 3104
2437sub load_facedata($) { 3105sub load_facedata($) {
2438 my ($path) = @_; 3106 my ($path) = @_;
3107
3108 # HACK to clear player env face cache, we need some signal framework
3109 # for this (global event?)
3110 %ext::player_env::MUSIC_FACE_CACHE = ();
3111
3112 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439 3113
2440 warn "loading facedata from $path\n"; 3114 warn "loading facedata from $path\n";
2441 3115
2442 my $facedata; 3116 my $facedata;
2443 0 < aio_load $path, $facedata 3117 0 < aio_load $path, $facedata
… …
2446 $facedata = Coro::Storable::thaw $facedata; 3120 $facedata = Coro::Storable::thaw $facedata;
2447 3121
2448 $facedata->{version} == 2 3122 $facedata->{version} == 2
2449 or cf::cleanup "$path: version mismatch, cannot proceed."; 3123 or cf::cleanup "$path: version mismatch, cannot proceed.";
2450 3124
3125 # patch in the exptable
3126 $facedata->{resource}{"res/exp_table"} = {
3127 type => FT_RSRC,
3128 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3129 };
3130 cf::cede_to_tick;
3131
2451 { 3132 {
2452 my $faces = $facedata->{faceinfo}; 3133 my $faces = $facedata->{faceinfo};
2453 3134
2454 while (my ($face, $info) = each %$faces) { 3135 while (my ($face, $info) = each %$faces) {
2455 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3136 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2456 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3137 cf::face::set_visibility $idx, $info->{visibility};
3138 cf::face::set_magicmap $idx, $info->{magicmap};
2457 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3139 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3140 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459 Coro::cede; 3141
3142 cf::cede_to_tick;
2460 } 3143 }
2461 3144
2462 while (my ($face, $info) = each %$faces) { 3145 while (my ($face, $info) = each %$faces) {
2463 next unless $info->{smooth}; 3146 next unless $info->{smooth};
2464 my $idx = cf::face::find $face 3147 my $idx = cf::face::find $face
2465 or next; 3148 or next;
2466 if (my $smooth = cf::face::find $info->{smooth}) { 3149 if (my $smooth = cf::face::find $info->{smooth}) {
3150 cf::face::set_smooth $idx, $smooth;
2467 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3151 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468 } else { 3152 } else {
2469 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3153 warn "smooth face '$info->{smooth}' not found for face '$face'";
2470 } 3154 }
2471 Coro::cede; 3155
3156 cf::cede_to_tick;
2472 } 3157 }
2473 } 3158 }
2474 3159
2475 { 3160 {
2476 my $anims = $facedata->{animinfo}; 3161 my $anims = $facedata->{animinfo};
2477 3162
2478 while (my ($anim, $info) = each %$anims) { 3163 while (my ($anim, $info) = each %$anims) {
2479 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3164 cf::anim::set $anim, $info->{frames}, $info->{facings};
2480 Coro::cede; 3165 cf::cede_to_tick;
2481 } 3166 }
2482 3167
2483 cf::anim::invalidate_all; # d'oh 3168 cf::anim::invalidate_all; # d'oh
2484 } 3169 }
2485 3170
3171 {
3172 # TODO: for gcfclient pleasure, we should give resources
3173 # that gcfclient doesn't grok a >10000 face index.
3174 my $res = $facedata->{resource};
3175
3176 my $soundconf = delete $res->{"res/sound.conf"};
3177
3178 while (my ($name, $info) = each %$res) {
3179 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180 my $data;
3181
3182 if ($info->{type} & 1) {
3183 # prepend meta info
3184
3185 my $meta = $enc->encode ({
3186 name => $name,
3187 %{ $info->{meta} || {} },
3188 });
3189
3190 $data = pack "(w/a*)*", $meta, $info->{data};
3191 } else {
3192 $data = $info->{data};
3193 }
3194
3195 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196 cf::face::set_type $idx, $info->{type};
3197
3198 cf::cede_to_tick;
3199 }
3200
3201 if ($soundconf) {
3202 $soundconf = $enc->decode (delete $soundconf->{data});
3203
3204 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205 my $sound = $soundconf->{compat}[$_]
3206 or next;
3207
3208 my $face = cf::face::find "sound/$sound->[1]";
3209 cf::sound::set $sound->[0] => $face;
3210 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211 }
3212
3213 while (my ($k, $v) = each %{$soundconf->{event}}) {
3214 my $face = cf::face::find "sound/$v";
3215 cf::sound::set $k => $face;
3216 }
3217 }
3218 }
3219
2486 1 3220 1
2487} 3221}
2488 3222
3223register_exticmd fx_want => sub {
3224 my ($ns, $want) = @_;
3225
3226 while (my ($k, $v) = each %$want) {
3227 $ns->fx_want ($k, $v);
3228 }
3229};
3230
3231sub reload_regions {
3232 # HACK to clear player env face cache, we need some signal framework
3233 # for this (global event?)
3234 %ext::player_env::MUSIC_FACE_CACHE = ();
3235
3236 load_resource_file "$MAPDIR/regions"
3237 or die "unable to load regions file\n";
3238
3239 for (cf::region::list) {
3240 $_->{match} = qr/$_->{match}/
3241 if exists $_->{match};
3242 }
3243}
3244
2489sub reload_facedata { 3245sub reload_facedata {
2490 load_facedata sprintf "%s/facedata", cf::datadir 3246 load_facedata "$DATADIR/facedata"
2491 or die "unable to load facedata\n"; 3247 or die "unable to load facedata\n";
2492} 3248}
2493 3249
2494sub reload_regions {
2495 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496 or die "unable to load regions file\n";
2497}
2498
2499sub reload_archetypes { 3250sub reload_archetypes {
2500 load_resource_file sprintf "%s/archetypes", cf::datadir 3251 load_resource_file "$DATADIR/archetypes"
2501 or die "unable to load archetypes\n"; 3252 or die "unable to load archetypes\n";
3253 #d# NEED to laod twice to resolve forward references
3254 # this really needs to be done in an extra post-pass
3255 # (which needs to be synchronous, so solve it differently)
3256 load_resource_file "$DATADIR/archetypes"
3257 or die "unable to load archetypes\n";
2502} 3258}
2503 3259
2504sub reload_treasures { 3260sub reload_treasures {
2505 load_resource_file sprintf "%s/treasures", cf::datadir 3261 load_resource_file "$DATADIR/treasures"
2506 or die "unable to load treasurelists\n"; 3262 or die "unable to load treasurelists\n";
2507} 3263}
2508 3264
2509sub reload_resources { 3265sub reload_resources {
2510 warn "reloading resource files...\n"; 3266 warn "reloading resource files...\n";
2511 3267
2512 reload_regions; 3268 reload_regions;
2513 reload_facedata; 3269 reload_facedata;
3270 #reload_archetypes;#d#
2514 reload_archetypes; 3271 reload_archetypes;
2515 reload_treasures; 3272 reload_treasures;
2516 3273
2517 warn "finished reloading resource files\n"; 3274 warn "finished reloading resource files\n";
2518} 3275}
2519 3276
2520sub init { 3277sub init {
2521 reload_resources; 3278 reload_resources;
2522} 3279}
2523 3280
2524sub cfg_load { 3281sub reload_config {
2525 open my $fh, "<:utf8", cf::confdir . "/config" 3282 open my $fh, "<:utf8", "$CONFDIR/config"
2526 or return; 3283 or return;
2527 3284
2528 local $/; 3285 local $/;
2529 *CFG = YAML::Syck::Load <$fh>; 3286 *CFG = YAML::Syck::Load <$fh>;
2530 3287
… …
2545sub main { 3302sub main {
2546 # we must not ever block the main coroutine 3303 # we must not ever block the main coroutine
2547 local $Coro::idle = sub { 3304 local $Coro::idle = sub {
2548 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3305 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549 (async { 3306 (async {
3307 $Coro::current->{desc} = "IDLE BUG HANDLER";
2550 Event::one_event; 3308 Event::one_event;
2551 })->prio (Coro::PRIO_MAX); 3309 })->prio (Coro::PRIO_MAX);
2552 }; 3310 };
2553 3311
2554 cfg_load; 3312 reload_config;
2555 db_init; 3313 db_init;
2556 load_extensions; 3314 load_extensions;
2557 3315
2558 $TICK_WATCHER->start; 3316 $TICK_WATCHER->start;
2559 Event::loop; 3317 Event::loop;
… …
2575 }, 3333 },
2576 ); 3334 );
2577 } 3335 }
2578} 3336}
2579 3337
3338sub write_runtime {
3339 my $runtime = "$LOCALDIR/runtime";
3340
3341 # first touch the runtime file to show we are still running:
3342 # the fsync below can take a very very long time.
3343
3344 IO::AIO::aio_utime $runtime, undef, undef;
3345
3346 my $guard = cf::lock_acquire "write_runtime";
3347
3348 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3349 or return;
3350
3351 my $value = $cf::RUNTIME + 90 + 10;
3352 # 10 is the runtime save interval, for a monotonic clock
3353 # 60 allows for the watchdog to kill the server.
3354
3355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3356 and return;
3357
3358 # always fsync - this file is important
3359 aio_fsync $fh
3360 and return;
3361
3362 # touch it again to show we are up-to-date
3363 aio_utime $fh, undef, undef;
3364
3365 close $fh
3366 or return;
3367
3368 aio_rename "$runtime~", $runtime
3369 and return;
3370
3371 warn "runtime file written.\n";
3372
3373 1
3374}
3375
2580sub emergency_save() { 3376sub emergency_save() {
2581 my $freeze_guard = cf::freeze_mainloop; 3377 my $freeze_guard = cf::freeze_mainloop;
2582 3378
2583 warn "enter emergency perl save\n"; 3379 warn "enter emergency perl save\n";
2584 3380
… …
2588 # and maps saved/destroyed asynchronously. 3384 # and maps saved/destroyed asynchronously.
2589 warn "begin emergency player save\n"; 3385 warn "begin emergency player save\n";
2590 for my $login (keys %cf::PLAYER) { 3386 for my $login (keys %cf::PLAYER) {
2591 my $pl = $cf::PLAYER{$login} or next; 3387 my $pl = $cf::PLAYER{$login} or next;
2592 $pl->valid or next; 3388 $pl->valid or next;
3389 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593 $pl->save; 3390 $pl->save;
2594 } 3391 }
2595 warn "end emergency player save\n"; 3392 warn "end emergency player save\n";
2596 3393
2597 warn "begin emergency map save\n"; 3394 warn "begin emergency map save\n";
… …
2645 3442
2646 warn "flushing outstanding aio requests"; 3443 warn "flushing outstanding aio requests";
2647 for (;;) { 3444 for (;;) {
2648 BDB::flush; 3445 BDB::flush;
2649 IO::AIO::flush; 3446 IO::AIO::flush;
2650 Coro::cede; 3447 Coro::cede_notself;
2651 last unless IO::AIO::nreqs || BDB::nreqs; 3448 last unless IO::AIO::nreqs || BDB::nreqs;
2652 warn "iterate..."; 3449 warn "iterate...";
2653 } 3450 }
2654 3451
2655 ++$RELOAD; 3452 ++$RELOAD;
… …
2659 %EXT_CORO = (); 3456 %EXT_CORO = ();
2660 3457
2661 warn "removing commands"; 3458 warn "removing commands";
2662 %COMMAND = (); 3459 %COMMAND = ();
2663 3460
2664 warn "removing ext commands"; 3461 warn "removing ext/exti commands";
2665 %EXTCMD = (); 3462 %EXTCMD = ();
3463 %EXTICMD = ();
2666 3464
2667 warn "unloading/nuking all extensions"; 3465 warn "unloading/nuking all extensions";
2668 for my $pkg (@EXTS) { 3466 for my $pkg (@EXTS) {
2669 warn "... unloading $pkg"; 3467 warn "... unloading $pkg";
2670 3468
… …
2700 Symbol::delete_package "safe::$_" 3498 Symbol::delete_package "safe::$_"
2701 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3499 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702 3500
2703 warn "unloading cf.pm \"a bit\""; 3501 warn "unloading cf.pm \"a bit\"";
2704 delete $INC{"cf.pm"}; 3502 delete $INC{"cf.pm"};
3503 delete $INC{"cf/pod.pm"};
2705 3504
2706 # don't, removes xs symbols, too, 3505 # don't, removes xs symbols, too,
2707 # and global variables created in xs 3506 # and global variables created in xs
2708 #Symbol::delete_package __PACKAGE__; 3507 #Symbol::delete_package __PACKAGE__;
2709 3508
… …
2712 warn "reloading cf.pm"; 3511 warn "reloading cf.pm";
2713 require cf; 3512 require cf;
2714 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3513 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715 3514
2716 warn "loading config and database again"; 3515 warn "loading config and database again";
2717 cf::cfg_load; 3516 cf::reload_config;
2718 3517
2719 warn "loading extensions"; 3518 warn "loading extensions";
2720 cf::load_extensions; 3519 cf::load_extensions;
2721 3520
2722 warn "reattaching attachments to objects/players"; 3521 warn "reattaching attachments to objects/players";
… …
2758register_command "reload" => sub { 3557register_command "reload" => sub {
2759 my ($who, $arg) = @_; 3558 my ($who, $arg) = @_;
2760 3559
2761 if ($who->flag (FLAG_WIZ)) { 3560 if ($who->flag (FLAG_WIZ)) {
2762 $who->message ("reloading server."); 3561 $who->message ("reloading server.");
3562 async {
3563 $Coro::current->{desc} = "perl_reload";
2763 async { reload_perl }; 3564 reload_perl;
3565 };
2764 } 3566 }
2765}; 3567};
2766 3568
2767unshift @INC, $LIBDIR; 3569unshift @INC, $LIBDIR;
2768 3570
… …
2800 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3602 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801 unless ++$bug_warning > 10; 3603 unless ++$bug_warning > 10;
2802 return; 3604 return;
2803 } 3605 }
2804 3606
2805 $NOW = Event::time; 3607 $NOW = $tick_start = Event::time;
2806 3608
2807 cf::server_tick; # one server iteration 3609 cf::server_tick; # one server iteration
2808 3610
2809 $RUNTIME += $TICK; 3611 $RUNTIME += $TICK;
2810 $NEXT_TICK += $TICK; 3612 $NEXT_TICK += $TICK;
2811 3613
2812 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3614 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813 $NEXT_RUNTIME_WRITE = $NOW + 10; 3615 $NEXT_RUNTIME_WRITE = $NOW + 10;
2814 Coro::async_pool { 3616 Coro::async_pool {
3617 $Coro::current->{desc} = "runtime saver";
2815 write_runtime 3618 write_runtime
2816 or warn "ERROR: unable to write runtime file: $!"; 3619 or warn "ERROR: unable to write runtime file: $!";
2817 }; 3620 };
2818 } 3621 }
2819 3622
2820# my $AFTER = Event::time; 3623 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2821# warn $AFTER - $NOW;#d# 3624 $sig->send;
3625 }
3626 while (my $sig = shift @WAIT_FOR_TICK) {
3627 $sig->send;
3628 }
3629
3630 $NOW = Event::time;
2822 3631
2823 # if we are delayed by four ticks or more, skip them all 3632 # if we are delayed by four ticks or more, skip them all
2824 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3633 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2825 3634
2826 $TICK_WATCHER->at ($NEXT_TICK); 3635 $TICK_WATCHER->at ($NEXT_TICK);
2827 $TICK_WATCHER->start; 3636 $TICK_WATCHER->start;
2828 3637
2829 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3638 $LOAD = ($NOW - $tick_start) / $TICK;
2830 $sig->send; 3639 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2831 }
2832 while (my $sig = shift @WAIT_FOR_TICK) {
2833 $sig->send;
2834 }
2835 3640
2836 _post_tick; 3641 _post_tick;
2837 }, 3642 },
2838); 3643);
2839 3644
2840{ 3645{
3646 BDB::min_parallel 8;
2841 BDB::max_poll_time $TICK * 0.1; 3647 BDB::max_poll_time $TICK * 0.1;
2842 $BDB_POLL_WATCHER = Event->io ( 3648 $BDB_POLL_WATCHER = Event->io (
2843 reentrant => 0, 3649 reentrant => 0,
2844 fd => BDB::poll_fileno, 3650 fd => BDB::poll_fileno,
2845 poll => 'r', 3651 poll => 'r',
2846 prio => 0, 3652 prio => 0,
2847 data => WF_AUTOCANCEL, 3653 data => WF_AUTOCANCEL,
2848 cb => \&BDB::poll_cb, 3654 cb => \&BDB::poll_cb,
2849 ); 3655 );
2850 BDB::min_parallel 8;
2851 3656
2852 BDB::set_sync_prepare { 3657 BDB::set_sync_prepare {
2853 my $status; 3658 my $status;
2854 my $current = $Coro::current; 3659 my $current = $Coro::current;
2855 ( 3660 (
… …
2864 ) 3669 )
2865 }; 3670 };
2866 3671
2867 unless ($DB_ENV) { 3672 unless ($DB_ENV) {
2868 $DB_ENV = BDB::db_env_create; 3673 $DB_ENV = BDB::db_env_create;
3674 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3675 | BDB::LOG_AUTOREMOVE, 1);
3676 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869 3678
2870 cf::sync_job { 3679 cf::sync_job {
2871 eval { 3680 eval {
2872 BDB::db_env_open 3681 BDB::db_env_open
2873 $DB_ENV, 3682 $DB_ENV,
2874 $BDB_ENV_DIR, 3683 $BDBDIR,
2875 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3684 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3685 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877 0666; 3686 0666;
2878 3687
2879 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3688 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882 $DB_ENV->set_lk_detect;
2883 }; 3689 };
2884 3690
2885 cf::cleanup "db_env_open(db): $@" if $@; 3691 cf::cleanup "db_env_open(db): $@" if $@;
2886 }; 3692 };
2887 } 3693 }
3694
3695 $BDB_DEADLOCK_WATCHER = Event->timer (
3696 after => 3,
3697 interval => 1,
3698 hard => 1,
3699 prio => 0,
3700 data => WF_AUTOCANCEL,
3701 cb => sub {
3702 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703 },
3704 );
3705 $BDB_CHECKPOINT_WATCHER = Event->timer (
3706 after => 11,
3707 interval => 60,
3708 hard => 1,
3709 prio => 0,
3710 data => WF_AUTOCANCEL,
3711 cb => sub {
3712 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713 },
3714 );
3715 $BDB_TRICKLE_WATCHER = Event->timer (
3716 after => 5,
3717 interval => 10,
3718 hard => 1,
3719 prio => 0,
3720 data => WF_AUTOCANCEL,
3721 cb => sub {
3722 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723 },
3724 );
2888} 3725}
2889 3726
2890{ 3727{
2891 IO::AIO::min_parallel 8; 3728 IO::AIO::min_parallel 8;
2892 3729
… …
2895 $AIO_POLL_WATCHER = Event->io ( 3732 $AIO_POLL_WATCHER = Event->io (
2896 reentrant => 0, 3733 reentrant => 0,
2897 data => WF_AUTOCANCEL, 3734 data => WF_AUTOCANCEL,
2898 fd => IO::AIO::poll_fileno, 3735 fd => IO::AIO::poll_fileno,
2899 poll => 'r', 3736 poll => 'r',
2900 prio => 6, 3737 prio => 0,
2901 cb => \&IO::AIO::poll_cb, 3738 cb => \&IO::AIO::poll_cb,
2902 ); 3739 );
2903} 3740}
2904 3741
3742my $_log_backtrace;
3743
3744sub _log_backtrace {
3745 my ($msg, @addr) = @_;
3746
3747 $msg =~ s/\n//;
3748
3749 # limit the # of concurrent backtraces
3750 if ($_log_backtrace < 2) {
3751 ++$_log_backtrace;
3752 async {
3753 $Coro::current->{desc} = "abt $msg";
3754
3755 my @bt = fork_call {
3756 @addr = map { sprintf "%x", $_ } @addr;
3757 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3758 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3759 or die "addr2line: $!";
3760
3761 my @funcs;
3762 my @res = <$fh>;
3763 chomp for @res;
3764 while (@res) {
3765 my ($func, $line) = splice @res, 0, 2, ();
3766 push @funcs, "[$func] $line";
3767 }
3768
3769 @funcs
3770 };
3771
3772 LOG llevInfo, "[ABT] $msg\n";
3773 LOG llevInfo, "[ABT] $_\n" for @bt;
3774 --$_log_backtrace;
3775 };
3776 } else {
3777 LOG llevInfo, "[ABT] $msg\n";
3778 LOG llevInfo, "[ABT] [suppressed]\n";
3779 }
3780}
3781
2905# load additional modules 3782# load additional modules
2906use cf::pod; 3783use cf::pod;
2907 3784
2908END { cf::emergency_save } 3785END { cf::emergency_save }
2909 3786

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