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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.393 by root, Fri Oct 26 04:47:00 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use Event; 9use Event;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable ();
13 14
14use Coro 3.52 (); 15use Coro 4.1 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
21use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
22 25
26use JSON::XS ();
23use BDB (); 27use BDB ();
24use Data::Dumper; 28use Data::Dumper;
25use Digest::MD5; 29use Digest::MD5;
26use Fcntl; 30use Fcntl;
27use YAML::Syck (); 31use YAML::Syck ();
28use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
29use Time::HiRes; 33use Time::HiRes;
30use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
31 36
32# configure various modules to our taste 37# configure various modules to our taste
33# 38#
34$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
35Coro::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
… …
47our %COMMAND = (); 52our %COMMAND = ();
48our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
49 54
50our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
54 60
55our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
56our @EVENT; 62our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 63
59our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $TICK_WATCHER; 77our $TICK_WATCHER;
61our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 80our $NEXT_TICK;
64our $NOW; 81our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
66 83
67our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 88our $DB_ENV;
69 89
70our %CFG; 90our %CFG;
71 91
72our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 93our $RUNTIME;
74 94
75our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83 98
84# 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 ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
87binmode STDOUT; 106binmode STDOUT;
88binmode STDERR; 107binmode STDERR;
89 108
90# read virtual server time, if available 109# read virtual server time, if available
91unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
93 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
94 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
95} 114}
96 115
97mkdir cf::localdir; 116mkdir $_
98mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99mkdir cf::localdir . "/" . cf::tmpdir;
100mkdir cf::localdir . "/" . cf::uniquedir;
101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
103 118
104our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
105 120
106sub cf::map::normalise; 121sub cf::map::normalise;
107 122
… …
118=item $cf::RUNTIME 133=item $cf::RUNTIME
119 134
120The 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
121every server tick. 136every server tick.
122 137
123=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
124 141
125The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
126be 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.
127 146
128=item $cf::NOW 147=item $cf::NOW
129 148
130The time of the last (current) server tick. 149The time of the last (current) server tick.
131 150
132=item $cf::TICK 151=item $cf::TICK
133 152
134The 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.
135 164
136=item %cf::CFG 165=item %cf::CFG
137 166
138Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
139from wherever your confdir points to. 168from wherever your confdir points to.
140 169
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
142 171
143These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 173returns directly I<after> the tick processing (and consequently, can only wake one process
145processing has been done. Call C<< ->wait >> on them to maximise the 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146window of cpu time available, or simply to synchronise to the server tick. 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.
147 181
148=back 182=back
149 183
150=cut 184=cut
151 185
152BEGIN { 186BEGIN {
153 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
154 my $msg = join "", @_; 188 my $msg = join "", @_;
155 utf8::encode $msg;
156 189
157 $msg .= "\n" 190 $msg .= "\n"
158 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159 194
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
1553use re 'eval';
1554
1555my $group;
1556my $interior; $interior = qr{
1557 # match a pod interior sequence sans C<< >>
1558 (?:
1559 \ (.*?)\ (?{ $group = $^N })
1560 | < (??{$interior}) >
1561 )
1562}x;
1563
1564sub expand_cfpod {
1565 my ($self, $pod) = @_;
1566
1567 my $xml;
1568
1569 while () {
1570 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571 $group = $1;
1572
1573 $group =~ s/&/&amp;/g;
1574 $group =~ s/</&lt;/g;
1575
1576 $xml .= $group;
1577 } elsif ($pod =~ m%\G
1578 ([BCGHITU])
1579 <
1580 (?:
1581 ([^<>]*) (?{ $group = $^N })
1582 | < $interior >
1583 )
1584 >
1585 %gcsx
1586 ) {
1587 my ($code, $data) = ($1, $group);
1588
1589 if ($code eq "B") {
1590 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591 } elsif ($code eq "I") {
1592 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593 } elsif ($code eq "U") {
1594 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595 } elsif ($code eq "C") {
1596 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597 } elsif ($code eq "T") {
1598 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599 } elsif ($code eq "G") {
1600 my ($male, $female) = split /\|/, $data;
1601 $data = $self->gender ? $female : $male;
1602 $xml .= expand_cfpod ($self, $data);
1603 } elsif ($code eq "H") {
1604 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606 "")
1607 [$self->{hintmode}];
1608 } else {
1609 $xml .= "error processing '$code($data)' directive";
1610 }
1611 } else {
1612 if ($pod =~ /\G(.+)/) {
1613 warn "parse error while expanding $pod (at $1)";
1614 }
1615 last;
1616 }
1617 }
1618
1619 for ($xml) {
1620 # create single paragraphs (very hackish)
1621 s/(?<=\S)\n(?=\w)/ /g;
1622
1623 # compress some whitespace
1624 s/\s+\n/\n/g; # ws line-ends
1625 s/\n\n+/\n/g; # double lines
1626 s/^\n+//; # beginning lines
1627 s/\n+$//; # ending lines
1628 }
1629
1630 $xml
1631}
1632
1633no re 'eval';
1634
1635sub hintmode {
1636 $_[0]{hintmode} = $_[1] if @_ > 1;
1637 $_[0]{hintmode}
1638}
1639
1138=item $player->ext_reply ($msgid, %msg) 1640=item $player->ext_reply ($msgid, @msg)
1139 1641
1140Sends an ext reply to the player. 1642Sends an ext reply to the player.
1141 1643
1142=cut 1644=cut
1143 1645
1144sub ext_reply($$%) { 1646sub ext_reply($$@) {
1145 my ($self, $id, %msg) = @_; 1647 my ($self, $id, @msg) = @_;
1146 1648
1147 $msg{msgid} = $id; 1649 $self->ns->ext_reply ($id, @msg)
1148
1149 $self->send ("ext " . cf::to_json \%msg);
1150} 1650}
1151 1651
1152=item $player->ext_event ($type, %msg) 1652=item $player->ext_msg ($type, @msg)
1153 1653
1154Sends an ext event to the client. 1654Sends an ext event to the client.
1155 1655
1156=cut 1656=cut
1157 1657
1158sub ext_event($$%) { 1658sub ext_msg($$@) {
1159 my ($self, $type, %msg) = @_; 1659 my ($self, $type, @msg) = @_;
1160 1660
1161 $self->ns->ext_event ($type, %msg); 1661 $self->ns->ext_msg ($type, @msg);
1162} 1662}
1163 1663
1164package cf; 1664=head3 cf::region
1665
1666=over 4
1667
1668=cut
1669
1670package cf::region;
1671
1672=item cf::region::find_by_path $path
1673
1674Tries to decuce the likely region for a map knowing only its path.
1675
1676=cut
1677
1678sub find_by_path($) {
1679 my ($path) = @_;
1680
1681 my ($match, $specificity);
1682
1683 for my $region (list) {
1684 if ($region->{match} && $path =~ $region->{match}) {
1685 ($match, $specificity) = ($region, $region->specificity)
1686 if $region->specificity > $specificity;
1687 }
1688 }
1689
1690 $match
1691}
1165 1692
1166=back 1693=back
1167
1168 1694
1169=head3 cf::map 1695=head3 cf::map
1170 1696
1171=over 4 1697=over 4
1172 1698
… …
1227 my ($self, $merge) = @_; 1753 my ($self, $merge) = @_;
1228 1754
1229 # we have to keep some variables in memory intact 1755 # we have to keep some variables in memory intact
1230 local $self->{path}; 1756 local $self->{path};
1231 local $self->{load_path}; 1757 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234 1758
1235 $self->SUPER::thawer_merge ($merge); 1759 $self->SUPER::thawer_merge ($merge);
1236} 1760}
1237 1761
1238sub normalise { 1762sub normalise {
… …
1285 $self->init; # pass $1 etc. 1809 $self->init; # pass $1 etc.
1286 return $self; 1810 return $self;
1287 } 1811 }
1288 } 1812 }
1289 1813
1290 Carp::carp "unable to resolve path '$path' (base '$base')."; 1814 Carp::cluck "unable to resolve path '$path' (base '$base').";
1291 () 1815 ()
1292} 1816}
1293 1817
1294sub init { 1818sub init {
1295 my ($self) = @_; 1819 my ($self) = @_;
… …
1310 1834
1311# the original (read-only) location 1835# the original (read-only) location
1312sub load_path { 1836sub load_path {
1313 my ($self) = @_; 1837 my ($self) = @_;
1314 1838
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1839 "$MAPDIR/$self->{path}.map"
1316} 1840}
1317 1841
1318# the temporary/swap location 1842# the temporary/swap location
1319sub save_path { 1843sub save_path {
1320 my ($self) = @_; 1844 my ($self) = @_;
1321 1845
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1847 "$TMPDIR/$path.map"
1324} 1848}
1325 1849
1326# the unique path, undef == no special unique path 1850# the unique path, undef == no special unique path
1327sub uniq_path { 1851sub uniq_path {
1328 my ($self) = @_; 1852 my ($self) = @_;
1329 1853
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1855 "$UNIQUEDIR/$path"
1332} 1856}
1333 1857
1334# and all this just because we cannot iterate over 1858# and all this just because we cannot iterate over
1335# all maps in C++... 1859# all maps in C++...
1336sub change_all_map_light { 1860sub change_all_map_light {
… …
1338 1862
1339 $_->change_map_light ($change) 1863 $_->change_map_light ($change)
1340 for grep $_->outdoor, values %cf::MAP; 1864 for grep $_->outdoor, values %cf::MAP;
1341} 1865}
1342 1866
1867sub decay_objects {
1868 my ($self) = @_;
1869
1870 return if $self->{deny_reset};
1871
1872 $self->do_decay_objects;
1873}
1874
1343sub unlink_save { 1875sub unlink_save {
1344 my ($self) = @_; 1876 my ($self) = @_;
1345 1877
1346 utf8::encode (my $save = $self->save_path); 1878 utf8::encode (my $save = $self->save_path);
1347 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1879 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1350 1882
1351sub load_header_from($) { 1883sub load_header_from($) {
1352 my ($self, $path) = @_; 1884 my ($self, $path) = @_;
1353 1885
1354 utf8::encode $path; 1886 utf8::encode $path;
1355 #aio_open $path, O_RDONLY, 0 1887 my $f = new_from_file cf::object::thawer $path
1356 # or return;
1357
1358 $self->_load_header ($path)
1359 or return; 1888 or return;
1889
1890 $self->_load_header ($f)
1891 or return;
1892
1893 local $MAP_LOADING{$self->{path}} = $self;
1894 $f->resolve_delayed_derefs;
1360 1895
1361 $self->{load_path} = $path; 1896 $self->{load_path} = $path;
1362 1897
1363 1 1898 1
1364} 1899}
… …
1403 $self->load_header_orig 1938 $self->load_header_orig
1404 or return; 1939 or return;
1405 $self->prepare_orig; 1940 $self->prepare_orig;
1406 } 1941 }
1407 1942
1943 $self->{deny_reset} = 1
1944 if $self->no_reset;
1945
1946 $self->default_region (cf::region::find_by_path $self->{path})
1947 unless $self->default_region;
1948
1408 1 1949 1
1409} 1950}
1410 1951
1411sub find; 1952sub find;
1412sub find { 1953sub find {
1413 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
1414 1955
1415 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
1416 1957
1958 cf::lock_wait "map_data:$path";#d#remove
1417 cf::lock_wait "map_find:$path"; 1959 cf::lock_wait "map_find:$path";
1418 1960
1419 $cf::MAP{$path} || do { 1961 $cf::MAP{$path} || do {
1420 my $guard = cf::lock_acquire "map_find:$path"; 1962 my $guard1 = cf::lock_acquire "map_find:$path";
1963 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1421 my $map = new_from_path cf::map $path 1965 my $map = new_from_path cf::map $path
1422 or return; 1966 or return;
1423 1967
1424 $map->{last_save} = $cf::RUNTIME; 1968 $map->{last_save} = $cf::RUNTIME;
1425 1969
1426 $map->load_header 1970 $map->load_header
1427 or return; 1971 or return;
1428 1972
1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1973 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously 1974 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait; 1975 #$cf::WAIT_FOR_TICK->wait;
1976 undef $guard1;
1977 undef $guard2;
1432 $map->reset; 1978 $map->reset;
1433 undef $guard;
1434 return find $path; 1979 return find $path;
1435 } 1980 }
1436 1981
1437 $cf::MAP{$path} = $map 1982 $cf::MAP{$path} = $map
1438 } 1983 }
… …
1445 my ($self) = @_; 1990 my ($self) = @_;
1446 1991
1447 local $self->{deny_reset} = 1; # loading can take a long time 1992 local $self->{deny_reset} = 1; # loading can take a long time
1448 1993
1449 my $path = $self->{path}; 1994 my $path = $self->{path};
1995
1996 {
1450 my $guard = cf::lock_acquire "map_load:$path"; 1997 my $guard = cf::lock_acquire "map_data:$path";
1451 1998
1999 return unless $self->valid;
1452 return if $self->in_memory != cf::MAP_SWAPPED; 2000 return unless $self->in_memory == cf::MAP_SWAPPED;
1453 2001
1454 $self->in_memory (cf::MAP_LOADING); 2002 $self->in_memory (cf::MAP_LOADING);
1455 2003
1456 $self->alloc; 2004 $self->alloc;
1457 2005
1458 $self->pre_load; 2006 $self->pre_load;
2007 cf::cede_to_tick;
1459 2008
1460 $self->_load_objects ($self->{load_path}, 1) 2009 my $f = new_from_file cf::object::thawer $self->{load_path};
2010 $f->skip_block;
2011 $self->_load_objects ($f)
1461 or return; 2012 or return;
1462 2013
1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2014 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464 if delete $self->{load_original}; 2015 if delete $self->{load_original};
1465 2016
1466 if (my $uniq = $self->uniq_path) { 2017 if (my $uniq = $self->uniq_path) {
1467 utf8::encode $uniq; 2018 utf8::encode $uniq;
1468 if (aio_open $uniq, O_RDONLY, 0) { 2019 unless (aio_stat $uniq) {
2020 if (my $f = new_from_file cf::object::thawer $uniq) {
1469 $self->clear_unique_items; 2021 $self->clear_unique_items;
1470 $self->_load_objects ($uniq, 0); 2022 $self->_load_objects ($f);
2023 $f->resolve_delayed_derefs;
2024 }
1471 } 2025 }
1472 } 2026 }
1473 2027
1474 Coro::cede; 2028 $f->resolve_delayed_derefs;
1475 2029
2030 cf::cede_to_tick;
1476 # now do the right thing for maps 2031 # now do the right thing for maps
1477 $self->link_multipart_objects; 2032 $self->link_multipart_objects;
1478
1479 unless ($self->{deny_activate}) {
1480 $self->decay_objects;
1481 $self->fix_auto_apply;
1482 $self->update_buttons;
1483 Coro::cede;
1484 $self->set_darkness_map;
1485 $self->difficulty ($self->estimate_difficulty) 2033 $self->difficulty ($self->estimate_difficulty)
1486 unless $self->difficulty; 2034 unless $self->difficulty;
1487 Coro::cede; 2035 cf::cede_to_tick;
2036
2037 unless ($self->{deny_activate}) {
2038 $self->decay_objects;
2039 $self->fix_auto_apply;
2040 $self->update_buttons;
2041 cf::cede_to_tick;
2042 $self->set_darkness_map;
2043 cf::cede_to_tick;
1488 $self->activate; 2044 $self->activate;
2045 }
2046
2047 $self->{last_save} = $cf::RUNTIME;
2048 $self->last_access ($cf::RUNTIME);
2049
2050 $self->in_memory (cf::MAP_IN_MEMORY);
1489 } 2051 }
1490 2052
1491 $self->post_load; 2053 $self->post_load;
1492
1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494} 2054}
1495 2055
1496sub customise_for { 2056sub customise_for {
1497 my ($self, $ob) = @_; 2057 my ($self, $ob) = @_;
1498 2058
1499 return find "~" . $ob->name . "/" . $self->{path} 2059 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player; 2060 if $self->per_player;
1501 2061
2062# return find "?party/" . $ob->name . "/" . $self->{path}
2063# if $self->per_party;
2064
1502 $self 2065 $self
1503} 2066}
1504 2067
1505# find and load all maps in the 3x3 area around a map 2068# find and load all maps in the 3x3 area around a map
1506sub load_diag { 2069sub load_neighbours {
1507 my ($map) = @_; 2070 my ($map) = @_;
1508 2071
1509 my @diag; # diagonal neighbours 2072 my @neigh; # diagonal neighbours
1510 2073
1511 for (0 .. 3) { 2074 for (0 .. 3) {
1512 my $neigh = $map->tile_path ($_) 2075 my $neigh = $map->tile_path ($_)
1513 or next; 2076 or next;
1514 $neigh = find $neigh, $map 2077 $neigh = find $neigh, $map
1515 or next; 2078 or next;
1516 $neigh->load; 2079 $neigh->load;
1517 2080
2081 push @neigh,
1518 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2082 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1519 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2083 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1520 } 2084 }
1521 2085
1522 for (@diag) { 2086 for (grep defined $_->[0], @neigh) {
2087 my ($path, $origin) = @$_;
1523 my $neigh = find @$_ 2088 my $neigh = find $path, $origin
1524 or next; 2089 or next;
1525 $neigh->load; 2090 $neigh->load;
1526 } 2091 }
1527} 2092}
1528 2093
… …
1533} 2098}
1534 2099
1535sub do_load_sync { 2100sub do_load_sync {
1536 my ($map) = @_; 2101 my ($map) = @_;
1537 2102
2103 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2104 if $Coro::current == $Coro::main;
2105
1538 cf::sync_job { $map->load }; 2106 cf::sync_job { $map->load };
1539} 2107}
1540 2108
1541our %MAP_PREFETCH; 2109our %MAP_PREFETCH;
1542our $MAP_PREFETCHER = undef; 2110our $MAP_PREFETCHER = undef;
1543 2111
1544sub find_async { 2112sub find_async {
1545 my ($path, $origin) = @_; 2113 my ($path, $origin, $load) = @_;
1546 2114
1547 $path = normalise $path, $origin && $origin->{path}; 2115 $path = normalise $path, $origin && $origin->{path};
1548 2116
1549 if (my $map = $cf::MAP{$path}) { 2117 if (my $map = $cf::MAP{$path}) {
1550 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2118 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551 } 2119 }
1552 2120
1553 undef $MAP_PREFETCH{$path}; 2121 $MAP_PREFETCH{$path} |= $load;
2122
1554 $MAP_PREFETCHER ||= cf::async { 2123 $MAP_PREFETCHER ||= cf::async {
2124 $Coro::current->{desc} = "map prefetcher";
2125
1555 while (%MAP_PREFETCH) { 2126 while (%MAP_PREFETCH) {
1556 for my $path (keys %MAP_PREFETCH) { 2127 while (my ($k, $v) = each %MAP_PREFETCH) {
1557 my $map = find $path 2128 if (my $map = find $k) {
1558 or next;
1559 $map->load; 2129 $map->load if $v;
2130 }
1560 2131
1561 delete $MAP_PREFETCH{$path}; 2132 delete $MAP_PREFETCH{$k};
1562 } 2133 }
1563 } 2134 }
1564 undef $MAP_PREFETCHER; 2135 undef $MAP_PREFETCHER;
1565 }; 2136 };
1566 $MAP_PREFETCHER->prio (6); 2137 $MAP_PREFETCHER->prio (6);
… …
1569} 2140}
1570 2141
1571sub save { 2142sub save {
1572 my ($self) = @_; 2143 my ($self) = @_;
1573 2144
1574 my $lock = cf::lock_acquire "map_data:" . $self->path; 2145 my $lock = cf::lock_acquire "map_data:$self->{path}";
1575 2146
1576 $self->{last_save} = $cf::RUNTIME; 2147 $self->{last_save} = $cf::RUNTIME;
1577 2148
1578 return unless $self->dirty; 2149 return unless $self->dirty;
1579 2150
… …
1585 return if $self->{deny_save}; 2156 return if $self->{deny_save};
1586 2157
1587 local $self->{last_access} = $self->last_access;#d# 2158 local $self->{last_access} = $self->last_access;#d#
1588 2159
1589 cf::async { 2160 cf::async {
2161 $Coro::current->{desc} = "map player save";
1590 $_->contr->save for $self->players; 2162 $_->contr->save for $self->players;
1591 }; 2163 };
1592 2164
1593 if ($uniq) { 2165 if ($uniq) {
1594 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1602 my ($self) = @_; 2174 my ($self) = @_;
1603 2175
1604 # save first because save cedes 2176 # save first because save cedes
1605 $self->save; 2177 $self->save;
1606 2178
1607 my $lock = cf::lock_acquire "map_data:" . $self->path; 2179 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2180
1609 return if $self->players; 2181 return if $self->players;
1610 return if $self->in_memory != cf::MAP_IN_MEMORY; 2182 return if $self->in_memory != cf::MAP_IN_MEMORY;
1611 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1612 2184
2185 $self->in_memory (cf::MAP_SWAPPED);
2186
2187 $self->deactivate;
2188 $_->clear_links_to ($self) for values %cf::MAP;
1613 $self->clear; 2189 $self->clear;
1614 $self->in_memory (cf::MAP_SWAPPED);
1615} 2190}
1616 2191
1617sub reset_at { 2192sub reset_at {
1618 my ($self) = @_; 2193 my ($self) = @_;
1619 2194
1620 # TODO: safety, remove and allow resettable per-player maps 2195 # TODO: safety, remove and allow resettable per-player maps
1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1622 return 1e99 if $self->{deny_reset}; 2196 return 1e99 if $self->{deny_reset};
1623 2197
1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2198 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2199 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626 2200
… …
1637 my ($self) = @_; 2211 my ($self) = @_;
1638 2212
1639 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1640 2214
1641 return if $self->players; 2215 return if $self->players;
1642 return if $self->isa ("ext::map_per_player");#d#
1643 2216
1644 warn "resetting map ", $self->path;#d# 2217 warn "resetting map ", $self->path;
1645 2218
1646 $self->in_memory (cf::MAP_SWAPPED); 2219 $self->in_memory (cf::MAP_SWAPPED);
1647 2220
1648 # need to save uniques path 2221 # need to save uniques path
1649 unless ($self->{deny_save}) { 2222 unless ($self->{deny_save}) {
… …
1653 if $uniq; 2226 if $uniq;
1654 } 2227 }
1655 2228
1656 delete $cf::MAP{$self->path}; 2229 delete $cf::MAP{$self->path};
1657 2230
2231 $self->deactivate;
2232 $_->clear_links_to ($self) for values %cf::MAP;
1658 $self->clear; 2233 $self->clear;
1659
1660 $_->clear_links_to ($self) for values %cf::MAP;
1661 2234
1662 $self->unlink_save; 2235 $self->unlink_save;
1663 $self->destroy; 2236 $self->destroy;
1664} 2237}
1665 2238
1666my $nuke_counter = "aaaa"; 2239my $nuke_counter = "aaaa";
1667 2240
1668sub nuke { 2241sub nuke {
1669 my ($self) = @_; 2242 my ($self) = @_;
1670 2243
2244 {
2245 my $lock = cf::lock_acquire "map_data:$self->{path}";
2246
1671 delete $cf::MAP{$self->path}; 2247 delete $cf::MAP{$self->path};
1672 2248
1673 $self->unlink_save; 2249 $self->unlink_save;
1674 2250
1675 bless $self, "cf::map"; 2251 bless $self, "cf::map";
1676 delete $self->{deny_reset}; 2252 delete $self->{deny_reset};
1677 $self->{deny_save} = 1; 2253 $self->{deny_save} = 1;
1678 $self->reset_timeout (1); 2254 $self->reset_timeout (1);
1679 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2255 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680 2256
1681 $cf::MAP{$self->path} = $self; 2257 $cf::MAP{$self->path} = $self;
2258 }
1682 2259
1683 $self->reset; # polite request, might not happen 2260 $self->reset; # polite request, might not happen
2261}
2262
2263=item $maps = cf::map::tmp_maps
2264
2265Returns an arrayref with all map paths of currently instantiated and saved
2266maps. May block.
2267
2268=cut
2269
2270sub tmp_maps() {
2271 [
2272 map {
2273 utf8::decode $_;
2274 /\.map$/
2275 ? normalise $_
2276 : ()
2277 } @{ aio_readdir $TMPDIR or [] }
2278 ]
2279}
2280
2281=item $maps = cf::map::random_maps
2282
2283Returns an arrayref with all map paths of currently instantiated and saved
2284random maps. May block.
2285
2286=cut
2287
2288sub random_maps() {
2289 [
2290 map {
2291 utf8::decode $_;
2292 /\.map$/
2293 ? normalise "?random/$_"
2294 : ()
2295 } @{ aio_readdir $RANDOMDIR or [] }
2296 ]
1684} 2297}
1685 2298
1686=item cf::map::unique_maps 2299=item cf::map::unique_maps
1687 2300
1688Returns an arrayref of paths of all shared maps that have 2301Returns an arrayref of paths of all shared maps that have
1689instantiated unique items. May block. 2302instantiated unique items. May block.
1690 2303
1691=cut 2304=cut
1692 2305
1693sub unique_maps() { 2306sub unique_maps() {
1694 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2307 [
1695 or return; 2308 map {
1696
1697 my @paths;
1698
1699 for (@$files) {
1700 utf8::decode $_; 2309 utf8::decode $_;
1701 next if /\.pst$/; 2310 /\.map$/
1702 next unless /^$PATH_SEP/o; 2311 ? normalise $_
1703 2312 : ()
1704 push @paths, cf::map::normalise $_; 2313 } @{ aio_readdir $UNIQUEDIR or [] }
1705 } 2314 ]
1706
1707 \@paths
1708} 2315}
1709 2316
1710package cf; 2317package cf;
1711 2318
1712=back 2319=back
… …
1730 map { $_, inv_recursive_ $_->inv } @_ 2337 map { $_, inv_recursive_ $_->inv } @_
1731} 2338}
1732 2339
1733sub inv_recursive { 2340sub inv_recursive {
1734 inv_recursive_ inv $_[0] 2341 inv_recursive_ inv $_[0]
2342}
2343
2344=item $ref = $ob->ref
2345
2346creates and returns a persistent reference to an objetc that can be stored as a string.
2347
2348=item $ob = cf::object::deref ($refstring)
2349
2350returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351even if the object actually exists. May block.
2352
2353=cut
2354
2355sub deref {
2356 my ($ref) = @_;
2357
2358 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2359 my ($uuid, $name) = ($1, $2);
2360 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2361 or return;
2362 $pl->ob->uuid eq $uuid
2363 or return;
2364
2365 $pl->ob
2366 } else {
2367 warn "$ref: cannot resolve object reference\n";
2368 undef
2369 }
1735} 2370}
1736 2371
1737package cf; 2372package cf;
1738 2373
1739=back 2374=back
… …
1758 2393
1759 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2394 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760 2395
1761 if ($self->{record_replies}) { 2396 if ($self->{record_replies}) {
1762 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2397 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2398
1763 } else { 2399 } else {
2400 my $pl = $self->contr;
2401
2402 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2403 my $dialog = $pl->{npc_dialog};
2404 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405
2406 } else {
1764 $msg = $npc->name . " says: $msg" if $npc; 2407 $msg = $npc->name . " says: $msg" if $npc;
1765 $self->message ($msg, $flags); 2408 $self->message ($msg, $flags);
2409 }
1766 } 2410 }
2411}
2412
2413=item $object->send_msg ($channel, $msg, $color, [extra...])
2414
2415=cut
2416
2417sub cf::object::send_msg {
2418 my $pl = shift->contr
2419 or return;
2420 $pl->send_msg (@_);
1767} 2421}
1768 2422
1769=item $player_object->may ("access") 2423=item $player_object->may ("access")
1770 2424
1771Returns wether the given player is authorized to access resource "access" 2425Returns wether the given player is authorized to access resource "access"
… …
1818 $self->deactivate_recursive; 2472 $self->deactivate_recursive;
1819 2473
1820 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2474 return if UNIVERSAL::isa $self->map, "ext::map_link";
1821 2475
1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2476 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823 if $self->map; 2477 if $self->map && $self->map->{path} ne "{link}";
1824 2478
1825 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2479 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1826} 2480}
1827 2481
1828sub cf::object::player::leave_link { 2482sub cf::object::player::leave_link {
1829 my ($self, $map, $x, $y) = @_; 2483 my ($self, $map, $x, $y) = @_;
2484
2485 return unless $self->contr->active;
1830 2486
1831 my $link_pos = delete $self->{_link_pos}; 2487 my $link_pos = delete $self->{_link_pos};
1832 2488
1833 unless ($map) { 2489 unless ($map) {
1834 # restore original map position 2490 # restore original map position
… …
1848 # use -1 or undef as default coordinates, not 0, 0 2504 # use -1 or undef as default coordinates, not 0, 0
1849 ($x, $y) = ($map->enter_x, $map->enter_y) 2505 ($x, $y) = ($map->enter_x, $map->enter_y)
1850 if $x <=0 && $y <= 0; 2506 if $x <=0 && $y <= 0;
1851 2507
1852 $map->load; 2508 $map->load;
1853 $map->load_diag; 2509 $map->load_neighbours;
1854 2510
1855 return unless $self->contr->active; 2511 return unless $self->contr->active;
1856 $self->activate_recursive; 2512 $self->activate_recursive;
1857 2513
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2514 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859 $self->enter_map ($map, $x, $y); 2515 $self->enter_map ($map, $x, $y);
1860} 2516}
1861 2517
1862cf::player->attach ( 2518=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863 on_logout => sub {
1864 my ($pl) = @_;
1865 2519
1866 # abort map switching before logout 2520Moves the player to the given map-path and coordinates by first freezing
1867 if ($pl->ob->{_link_pos}) { 2521her, loading and preparing them map, calling the provided $check callback
1868 cf::sync_job { 2522that has to return the map if sucecssful, and then unfreezes the player on
1869 $pl->ob->leave_link 2523the new (success) or old (failed) map position. In either case, $done will
1870 }; 2524be called at the end of this process.
1871 }
1872 },
1873 on_login => sub {
1874 my ($pl) = @_;
1875 2525
1876 # try to abort aborted map switching on player login :)
1877 # should happen only on crashes
1878 if ($pl->ob->{_link_pos}) {
1879 $pl->ob->enter_link;
1880 (async {
1881 $pl->ob->reply (undef,
1882 "There was an internal problem at your last logout, "
1883 . "the server will try to bring you to your intended destination in a second.",
1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1887 Coro::Timer::sleep 1;
1888 $pl->ob->leave_link;
1889 })->prio (2);
1890 }
1891 },
1892);
1893
1894=item $player_object->goto ($path, $x, $y)
1895
1896=cut 2526=cut
2527
2528our $GOTOGEN;
1897 2529
1898sub cf::object::player::goto { 2530sub cf::object::player::goto {
1899 my ($self, $path, $x, $y) = @_; 2531 my ($self, $path, $x, $y, $check, $done) = @_;
2532
2533 # do generation counting so two concurrent goto's will be executed in-order
2534 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900 2535
1901 $self->enter_link; 2536 $self->enter_link;
1902 2537
1903 (async { 2538 (async {
2539 $Coro::current->{desc} = "player::goto $path $x $y";
2540
2541 # *tag paths override both path and x|y
2542 if ($path =~ /^\*(.*)$/) {
2543 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2544 my $ob = $obs[rand @obs];
2545
2546 # see if we actually can go there
2547 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2548 $ob = $obs[rand @obs];
2549 } else {
2550 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2551 }
2552 # else put us there anyways for now #d#
2553
2554 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2555 } else {
2556 ($path, $x, $y) = (undef, undef, undef);
2557 }
2558 }
2559
1904 my $map = eval { 2560 my $map = eval {
1905 my $map = cf::map::find $path; 2561 my $map = defined $path ? cf::map::find $path : undef;
2562
2563 if ($map) {
1906 $map = $map->customise_for ($self) if $map; 2564 $map = $map->customise_for ($self);
2565 $map = $check->($map) if $check && $map;
2566 } else {
2567 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568 }
2569
1907 $map 2570 $map
2571 };
2572
2573 if ($@) {
2574 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2575 LOG llevError | logBacktrace, Carp::longmess $@;
1908 } or 2576 }
1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910 2577
2578 if ($gen == $self->{_goto_generation}) {
2579 delete $self->{_goto_generation};
1911 $self->leave_link ($map, $x, $y); 2580 $self->leave_link ($map, $x, $y);
2581 }
2582
2583 $done->() if $done;
1912 })->prio (1); 2584 })->prio (1);
1913} 2585}
1914 2586
1915=item $player_object->enter_exit ($exit_object) 2587=item $player_object->enter_exit ($exit_object)
1916 2588
… …
1955 2627
1956 $rmp->{random_seed} ||= $exit->random_seed; 2628 $rmp->{random_seed} ||= $exit->random_seed;
1957 2629
1958 my $data = cf::to_json $rmp; 2630 my $data = cf::to_json $rmp;
1959 my $md5 = Digest::MD5::md5_hex $data; 2631 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2632 my $meta = "$RANDOMDIR/$md5.meta";
1961 2633
1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963 aio_write $fh, 0, (length $data), $data, 0; 2635 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh; 2636 undef $fh;
1965 aio_rename "$meta~", $meta; 2637 aio_rename "$meta~", $meta;
… …
1985 my $hp = $exit->stats->hp; 2657 my $hp = $exit->stats->hp;
1986 my $sp = $exit->stats->sp; 2658 my $sp = $exit->stats->sp;
1987 2659
1988 $self->enter_link; 2660 $self->enter_link;
1989 2661
2662 # if exit is damned, update players death & WoR home-position
2663 $self->contr->savebed ($slaying, $hp, $sp)
2664 if $exit->flag (FLAG_DAMNED);
2665
1990 (async { 2666 (async {
2667 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2668
1991 $self->deactivate_recursive; # just to be sure 2669 $self->deactivate_recursive; # just to be sure
1992 unless (eval { 2670 unless (eval {
1993 $self->goto ($slaying, $hp, $sp); 2671 $self->goto ($slaying, $hp, $sp);
1994 2672
1995 1; 2673 1;
… …
2021 2699
2022 utf8::encode $text; 2700 utf8::encode $text;
2023 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2701 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024} 2702}
2025 2703
2704=item $client->send_msg ($channel, $msg, $color, [extra...])
2705
2706Send a drawinfo or msg packet to the client, formatting the msg for the
2707client if neccessary. C<$type> should be a string identifying the type of
2708the message, with C<log> being the default. If C<$color> is negative, suppress
2709the message unless the client supports the msg packet.
2710
2711=cut
2712
2713# non-persistent channels (usually the info channel)
2714our %CHANNEL = (
2715 "c/identify" => {
2716 id => "infobox",
2717 title => "Identify",
2718 reply => undef,
2719 tooltip => "Items recently identified",
2720 },
2721 "c/examine" => {
2722 id => "infobox",
2723 title => "Examine",
2724 reply => undef,
2725 tooltip => "Signs and other items you examined",
2726 },
2727 "c/book" => {
2728 id => "infobox",
2729 title => "Book",
2730 reply => undef,
2731 tooltip => "The contents of a note or book",
2732 },
2733 "c/lookat" => {
2734 id => "infobox",
2735 title => "Look",
2736 reply => undef,
2737 tooltip => "What you saw there",
2738 },
2739 "c/who" => {
2740 id => "infobox",
2741 title => "Players",
2742 reply => undef,
2743 tooltip => "Shows players who are currently online",
2744 },
2745 "c/body" => {
2746 id => "infobox",
2747 title => "Body Parts",
2748 reply => undef,
2749 tooltip => "Shows which body parts you posess and are available",
2750 },
2751 "c/uptime" => {
2752 id => "infobox",
2753 title => "Uptime",
2754 reply => undef,
2755 tooltip => "How long the server has been running since last restart",
2756 },
2757 "c/mapinfo" => {
2758 id => "infobox",
2759 title => "Map Info",
2760 reply => undef,
2761 tooltip => "Information related to the maps",
2762 },
2763);
2764
2765sub cf::client::send_msg {
2766 my ($self, $channel, $msg, $color, @extra) = @_;
2767
2768 $msg = $self->pl->expand_cfpod ($msg);
2769
2770 $color &= cf::NDI_CLIENT_MASK; # just in case...
2771
2772 # check predefined channels, for the benefit of C
2773 if ($CHANNEL{$channel}) {
2774 $channel = $CHANNEL{$channel};
2775
2776 $self->ext_msg (channel_info => $channel)
2777 if $self->can_msg;
2778
2779 $channel = $channel->{id};
2780
2781 } elsif (ref $channel) {
2782 # send meta info to client, if not yet sent
2783 unless (exists $self->{channel}{$channel->{id}}) {
2784 $self->{channel}{$channel->{id}} = $channel;
2785 $self->ext_msg (channel_info => $channel)
2786 if $self->can_msg;
2787 }
2788
2789 $channel = $channel->{id};
2790 }
2791
2792 return unless @extra || length $msg;
2793
2794 if ($self->can_msg) {
2795 # default colour, mask it out
2796 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797 if $color & cf::NDI_DEF;
2798
2799 $self->send_packet ("msg " . $self->{json_coder}->encode (
2800 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2801 } else {
2802 if ($color >= 0) {
2803 # replace some tags by gcfclient-compatible ones
2804 for ($msg) {
2805 1 while
2806 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811 }
2812
2813 $color &= cf::NDI_COLOR_MASK;
2814
2815 utf8::encode $msg;
2816
2817 if (0 && $msg =~ /\[/) {
2818 # COMMAND/INFO
2819 $self->send_packet ("drawextinfo $color 10 8 $msg")
2820 } else {
2821 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822 $self->send_packet ("drawinfo $color $msg")
2823 }
2824 }
2825 }
2826}
2827
2026=item $client->ext_event ($type, %msg) 2828=item $client->ext_msg ($type, @msg)
2027 2829
2028Sends an exti event to the client. 2830Sends an ext event to the client.
2029 2831
2030=cut 2832=cut
2031 2833
2032sub cf::client::ext_event($$%) { 2834sub cf::client::ext_msg($$@) {
2033 my ($self, $type, %msg) = @_; 2835 my ($self, $type, @msg) = @_;
2034 2836
2837 if ($self->extcmd == 2) {
2838 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839 } elsif ($self->extcmd == 1) { # TODO: remove
2035 $msg{msgtype} = "event_$type"; 2840 push @msg, msgtype => "event_$type";
2036 $self->send_packet ("ext " . cf::to_json \%msg); 2841 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842 }
2843}
2844
2845=item $client->ext_reply ($msgid, @msg)
2846
2847Sends an ext reply to the client.
2848
2849=cut
2850
2851sub cf::client::ext_reply($$@) {
2852 my ($self, $id, @msg) = @_;
2853
2854 if ($self->extcmd == 2) {
2855 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856 } elsif ($self->extcmd == 1) {
2857 #TODO: version 1, remove
2858 unshift @msg, msgtype => "reply", msgid => $id;
2859 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860 }
2037} 2861}
2038 2862
2039=item $success = $client->query ($flags, "text", \&cb) 2863=item $success = $client->query ($flags, "text", \&cb)
2040 2864
2041Queues a query to the client, calling the given callback with 2865Queues a query to the client, calling the given callback with
2042the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2866the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2867C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044 2868
2045Queries can fail, so check the return code. Or don't, as queries will become 2869Queries can fail, so check the return code. Or don't, as queries will
2046reliable at some point in the future. 2870become reliable at some point in the future.
2047 2871
2048=cut 2872=cut
2049 2873
2050sub cf::client::query { 2874sub cf::client::query {
2051 my ($self, $flags, $text, $cb) = @_; 2875 my ($self, $flags, $text, $cb) = @_;
… …
2059 utf8::encode $text; 2883 utf8::encode $text;
2060 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2884 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061 2885
2062 $self->send_packet ($self->{query_queue}[0][0]) 2886 $self->send_packet ($self->{query_queue}[0][0])
2063 if @{ $self->{query_queue} } == 1; 2887 if @{ $self->{query_queue} } == 1;
2888
2889 1
2064} 2890}
2065 2891
2066cf::client->attach ( 2892cf::client->attach (
2893 on_connect => sub {
2894 my ($ns) = @_;
2895
2896 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2897 },
2067 on_reply => sub { 2898 on_reply => sub {
2068 my ($ns, $msg) = @_; 2899 my ($ns, $msg) = @_;
2069 2900
2070 # this weird shuffling is so that direct followup queries 2901 # this weird shuffling is so that direct followup queries
2071 # get handled first 2902 # get handled first
… …
2083 } else { 2914 } else {
2084 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2915 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085 } 2916 }
2086 } 2917 }
2087 }, 2918 },
2919 on_exticmd => sub {
2920 my ($ns, $buf) = @_;
2921
2922 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2923
2924 if (ref $msg) {
2925 my ($type, $reply, @payload) =
2926 "ARRAY" eq ref $msg
2927 ? @$msg
2928 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2929
2930 my @reply;
2931
2932 if (my $cb = $EXTICMD{$type}) {
2933 @reply = $cb->($ns, @payload);
2934 }
2935
2936 $ns->ext_reply ($reply, @reply)
2937 if $reply;
2938
2939 } else {
2940 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2941 }
2942
2943 cf::override;
2944 },
2088); 2945);
2089 2946
2090=item $client->async (\&cb) 2947=item $client->async (\&cb)
2091 2948
2092Create a new coroutine, running the specified callback. The coroutine will 2949Create a new coroutine, running the specified callback. The coroutine will
… …
2133our $safe = new Safe "safe"; 2990our $safe = new Safe "safe";
2134our $safe_hole = new Safe::Hole; 2991our $safe_hole = new Safe::Hole;
2135 2992
2136$SIG{FPE} = 'IGNORE'; 2993$SIG{FPE} = 'IGNORE';
2137 2994
2138$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2995$safe->permit_only (Opcode::opset qw(
2996 :base_core :base_mem :base_orig :base_math
2997 grepstart grepwhile mapstart mapwhile
2998 sort time
2999));
2139 3000
2140# here we export the classes and methods available to script code 3001# here we export the classes and methods available to script code
2141 3002
2142=pod 3003=pod
2143 3004
2144The following functions and methods are available within a safe environment: 3005The following functions and methods are available within a safe environment:
2145 3006
2146 cf::object contr pay_amount pay_player map 3007 cf::object
3008 contr pay_amount pay_player map x y force_find force_add destroy
3009 insert remove name archname title slaying race decrease_ob_nr
3010
2147 cf::object::player player 3011 cf::object::player
2148 cf::player peaceful 3012 player
2149 cf::map trigger 3013
3014 cf::player
3015 peaceful
3016
3017 cf::map
3018 trigger
2150 3019
2151=cut 3020=cut
2152 3021
2153for ( 3022for (
2154 ["cf::object" => qw(contr pay_amount pay_player map)], 3023 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024 insert remove inv name archname title slaying race
3025 decrease_ob_nr destroy)],
2155 ["cf::object::player" => qw(player)], 3026 ["cf::object::player" => qw(player)],
2156 ["cf::player" => qw(peaceful)], 3027 ["cf::player" => qw(peaceful)],
2157 ["cf::map" => qw(trigger)], 3028 ["cf::map" => qw(trigger)],
2158) { 3029) {
2159 no strict 'refs'; 3030 no strict 'refs';
… …
2230=back 3101=back
2231 3102
2232=cut 3103=cut
2233 3104
2234############################################################################# 3105#############################################################################
2235
2236=head2 EXTENSION DATABASE SUPPORT
2237
2238Crossfire maintains a very simple database for extension use. It can
2239currently store anything that can be serialised using Storable, which
2240excludes objects.
2241
2242The parameter C<$family> should best start with the name of the extension
2243using it, it should be unique.
2244
2245=over 4
2246
2247=item $value = cf::db_get $family => $key
2248
2249Returns a single value from the database.
2250
2251=item cf::db_put $family => $key => $value
2252
2253Stores the given C<$value> in the family.
2254
2255=cut
2256
2257our $DB;
2258
2259sub db_init {
2260 unless ($DB) {
2261 $DB = BDB::db_create $DB_ENV;
2262
2263 cf::sync_job {
2264 eval {
2265 $DB->set_flags (BDB::CHKSUM);
2266
2267 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!;
2270 };
2271 cf::cleanup "db_open(db): $@" if $@;
2272 };
2273
2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
2278
2279 cf::db_put (board => data => $pst->{board});
2280 cf::db_put (guildrules => data => $pst->{guildrules});
2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284 unlink $path;
2285 };
2286 }
2287 }
2288}
2289
2290sub db_get($$) {
2291 my $key = "$_[0]/$_[1]";
2292
2293 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data;
2295
2296 $! ? ()
2297 : Compress::LZF::sthaw $data
2298 }
2299}
2300
2301sub db_put($$$) {
2302 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304}
2305
2306#############################################################################
2307# the server's init and main functions 3106# the server's init and main functions
2308 3107
2309sub load_facedata { 3108sub load_facedata($) {
2310 my $path = sprintf "%s/facedata", cf::datadir; 3109 my ($path) = @_;
3110
3111 # HACK to clear player env face cache, we need some signal framework
3112 # for this (global event?)
3113 %ext::player_env::MUSIC_FACE_CACHE = ();
3114
3115 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311 3116
2312 warn "loading facedata from $path\n"; 3117 warn "loading facedata from $path\n";
2313 3118
2314 my $facedata; 3119 my $facedata;
2315 0 < aio_load $path, $facedata 3120 0 < aio_load $path, $facedata
… …
2318 $facedata = Coro::Storable::thaw $facedata; 3123 $facedata = Coro::Storable::thaw $facedata;
2319 3124
2320 $facedata->{version} == 2 3125 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed."; 3126 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322 3127
3128 # patch in the exptable
3129 $facedata->{resource}{"res/exp_table"} = {
3130 type => FT_RSRC,
3131 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3132 };
3133 cf::cede_to_tick;
3134
2323 { 3135 {
2324 my $faces = $facedata->{faceinfo}; 3136 my $faces = $facedata->{faceinfo};
2325 3137
2326 while (my ($face, $info) = each %$faces) { 3138 while (my ($face, $info) = each %$faces) {
2327 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3139 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3140 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap};
2329 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3143 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331 Coro::cede; 3144
3145 cf::cede_to_tick;
2332 } 3146 }
2333 3147
2334 while (my ($face, $info) = each %$faces) { 3148 while (my ($face, $info) = each %$faces) {
2335 next unless $info->{smooth}; 3149 next unless $info->{smooth};
2336 my $idx = cf::face::find $face 3150 my $idx = cf::face::find $face
2337 or next; 3151 or next;
2338 if (my $smooth = cf::face::find $info->{smooth}) { 3152 if (my $smooth = cf::face::find $info->{smooth}) {
3153 cf::face::set_smooth $idx, $smooth;
2339 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340 } else { 3155 } else {
2341 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3156 warn "smooth face '$info->{smooth}' not found for face '$face'";
2342 } 3157 }
2343 Coro::cede; 3158
3159 cf::cede_to_tick;
2344 } 3160 }
2345 } 3161 }
2346 3162
2347 { 3163 {
2348 my $anims = $facedata->{animinfo}; 3164 my $anims = $facedata->{animinfo};
2349 3165
2350 while (my ($anim, $info) = each %$anims) { 3166 while (my ($anim, $info) = each %$anims) {
2351 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3167 cf::anim::set $anim, $info->{frames}, $info->{facings};
2352 Coro::cede; 3168 cf::cede_to_tick;
2353 } 3169 }
2354 3170
2355 cf::anim::invalidate_all; # d'oh 3171 cf::anim::invalidate_all; # d'oh
2356 } 3172 }
2357 3173
3174 {
3175 # TODO: for gcfclient pleasure, we should give resources
3176 # that gcfclient doesn't grok a >10000 face index.
3177 my $res = $facedata->{resource};
3178
3179 my $soundconf = delete $res->{"res/sound.conf"};
3180
3181 while (my ($name, $info) = each %$res) {
3182 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183 my $data;
3184
3185 if ($info->{type} & 1) {
3186 # prepend meta info
3187
3188 my $meta = $enc->encode ({
3189 name => $name,
3190 %{ $info->{meta} || {} },
3191 });
3192
3193 $data = pack "(w/a*)*", $meta, $info->{data};
3194 } else {
3195 $data = $info->{data};
3196 }
3197
3198 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199 cf::face::set_type $idx, $info->{type};
3200
3201 cf::cede_to_tick;
3202 }
3203
3204 if ($soundconf) {
3205 $soundconf = $enc->decode (delete $soundconf->{data});
3206
3207 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208 my $sound = $soundconf->{compat}[$_]
3209 or next;
3210
3211 my $face = cf::face::find "sound/$sound->[1]";
3212 cf::sound::set $sound->[0] => $face;
3213 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214 }
3215
3216 while (my ($k, $v) = each %{$soundconf->{event}}) {
3217 my $face = cf::face::find "sound/$v";
3218 cf::sound::set $k => $face;
3219 }
3220 }
3221 }
3222
2358 1 3223 1
2359} 3224}
2360 3225
3226register_exticmd fx_want => sub {
3227 my ($ns, $want) = @_;
3228
3229 while (my ($k, $v) = each %$want) {
3230 $ns->fx_want ($k, $v);
3231 }
3232};
3233
3234sub reload_regions {
3235 # HACK to clear player env face cache, we need some signal framework
3236 # for this (global event?)
3237 %ext::player_env::MUSIC_FACE_CACHE = ();
3238
3239 load_resource_file "$MAPDIR/regions"
3240 or die "unable to load regions file\n";
3241
3242 for (cf::region::list) {
3243 $_->{match} = qr/$_->{match}/
3244 if exists $_->{match};
3245 }
3246}
3247
3248sub reload_facedata {
3249 load_facedata "$DATADIR/facedata"
3250 or die "unable to load facedata\n";
3251}
3252
3253sub reload_archetypes {
3254 load_resource_file "$DATADIR/archetypes"
3255 or die "unable to load archetypes\n";
3256 #d# NEED to laod twice to resolve forward references
3257 # this really needs to be done in an extra post-pass
3258 # (which needs to be synchronous, so solve it differently)
3259 load_resource_file "$DATADIR/archetypes"
3260 or die "unable to load archetypes\n";
3261}
3262
3263sub reload_treasures {
3264 load_resource_file "$DATADIR/treasures"
3265 or die "unable to load treasurelists\n";
3266}
3267
2361sub reload_resources { 3268sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3269 warn "reloading resource files...\n";
2363 or die "unable to load regions file\n";#d# 3270
3271 reload_regions;
2364 load_facedata 3272 reload_facedata;
2365 or die "unable to load facedata\n";#d# 3273 #reload_archetypes;#d#
3274 reload_archetypes;
3275 reload_treasures;
3276
3277 warn "finished reloading resource files\n";
2366} 3278}
2367 3279
2368sub init { 3280sub init {
2369 reload_resources; 3281 reload_resources;
2370} 3282}
2371 3283
2372sub cfg_load { 3284sub reload_config {
2373 open my $fh, "<:utf8", cf::confdir . "/config" 3285 open my $fh, "<:utf8", "$CONFDIR/config"
2374 or return; 3286 or return;
2375 3287
2376 local $/; 3288 local $/;
2377 *CFG = YAML::Syck::Load <$fh>; 3289 *CFG = YAML::Syck::Load <$fh>;
2378 3290
… …
2393sub main { 3305sub main {
2394 # we must not ever block the main coroutine 3306 # we must not ever block the main coroutine
2395 local $Coro::idle = sub { 3307 local $Coro::idle = sub {
2396 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3308 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397 (async { 3309 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER";
2398 Event::one_event; 3311 Event::one_event;
2399 })->prio (Coro::PRIO_MAX); 3312 })->prio (Coro::PRIO_MAX);
2400 }; 3313 };
2401 3314
2402 cfg_load; 3315 reload_config;
2403 db_init; 3316 db_init;
2404 load_extensions; 3317 load_extensions;
2405 3318
2406 $TICK_WATCHER->start; 3319 $TICK_WATCHER->start;
2407 Event::loop; 3320 Event::loop;
… …
2423 }, 3336 },
2424 ); 3337 );
2425 } 3338 }
2426} 3339}
2427 3340
3341sub write_runtime {
3342 my $runtime = "$LOCALDIR/runtime";
3343
3344 # first touch the runtime file to show we are still running:
3345 # the fsync below can take a very very long time.
3346
3347 IO::AIO::aio_utime $runtime, undef, undef;
3348
3349 my $guard = cf::lock_acquire "write_runtime";
3350
3351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3352 or return;
3353
3354 my $value = $cf::RUNTIME + 90 + 10;
3355 # 10 is the runtime save interval, for a monotonic clock
3356 # 60 allows for the watchdog to kill the server.
3357
3358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3359 and return;
3360
3361 # always fsync - this file is important
3362 aio_fsync $fh
3363 and return;
3364
3365 # touch it again to show we are up-to-date
3366 aio_utime $fh, undef, undef;
3367
3368 close $fh
3369 or return;
3370
3371 aio_rename "$runtime~", $runtime
3372 and return;
3373
3374 warn "runtime file written.\n";
3375
3376 1
3377}
3378
2428sub emergency_save() { 3379sub emergency_save() {
2429 my $freeze_guard = cf::freeze_mainloop; 3380 my $freeze_guard = cf::freeze_mainloop;
2430 3381
2431 warn "enter emergency perl save\n"; 3382 warn "enter emergency perl save\n";
2432 3383
… …
2436 # and maps saved/destroyed asynchronously. 3387 # and maps saved/destroyed asynchronously.
2437 warn "begin emergency player save\n"; 3388 warn "begin emergency player save\n";
2438 for my $login (keys %cf::PLAYER) { 3389 for my $login (keys %cf::PLAYER) {
2439 my $pl = $cf::PLAYER{$login} or next; 3390 my $pl = $cf::PLAYER{$login} or next;
2440 $pl->valid or next; 3391 $pl->valid or next;
3392 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441 $pl->save; 3393 $pl->save;
2442 } 3394 }
2443 warn "end emergency player save\n"; 3395 warn "end emergency player save\n";
2444 3396
2445 warn "begin emergency map save\n"; 3397 warn "begin emergency map save\n";
… …
2463 3415
2464 warn Carp::longmess "post_cleanup backtrace" 3416 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core; 3417 if $make_core;
2466} 3418}
2467 3419
2468sub reload() { 3420sub do_reload_perl() {
2469 # can/must only be called in main 3421 # can/must only be called in main
2470 if ($Coro::current != $Coro::main) { 3422 if ($Coro::current != $Coro::main) {
2471 warn "can only reload from main coroutine"; 3423 warn "can only reload from main coroutine";
2472 return; 3424 return;
2473 } 3425 }
… …
2493 3445
2494 warn "flushing outstanding aio requests"; 3446 warn "flushing outstanding aio requests";
2495 for (;;) { 3447 for (;;) {
2496 BDB::flush; 3448 BDB::flush;
2497 IO::AIO::flush; 3449 IO::AIO::flush;
2498 Coro::cede; 3450 Coro::cede_notself;
2499 last unless IO::AIO::nreqs || BDB::nreqs; 3451 last unless IO::AIO::nreqs || BDB::nreqs;
2500 warn "iterate..."; 3452 warn "iterate...";
2501 } 3453 }
2502 3454
2503 ++$RELOAD; 3455 ++$RELOAD;
… …
2507 %EXT_CORO = (); 3459 %EXT_CORO = ();
2508 3460
2509 warn "removing commands"; 3461 warn "removing commands";
2510 %COMMAND = (); 3462 %COMMAND = ();
2511 3463
2512 warn "removing ext commands"; 3464 warn "removing ext/exti commands";
2513 %EXTCMD = (); 3465 %EXTCMD = ();
3466 %EXTICMD = ();
2514 3467
2515 warn "unloading/nuking all extensions"; 3468 warn "unloading/nuking all extensions";
2516 for my $pkg (@EXTS) { 3469 for my $pkg (@EXTS) {
2517 warn "... unloading $pkg"; 3470 warn "... unloading $pkg";
2518 3471
… …
2548 Symbol::delete_package "safe::$_" 3501 Symbol::delete_package "safe::$_"
2549 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3502 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550 3503
2551 warn "unloading cf.pm \"a bit\""; 3504 warn "unloading cf.pm \"a bit\"";
2552 delete $INC{"cf.pm"}; 3505 delete $INC{"cf.pm"};
3506 delete $INC{"cf/pod.pm"};
2553 3507
2554 # don't, removes xs symbols, too, 3508 # don't, removes xs symbols, too,
2555 # and global variables created in xs 3509 # and global variables created in xs
2556 #Symbol::delete_package __PACKAGE__; 3510 #Symbol::delete_package __PACKAGE__;
2557 3511
… …
2560 warn "reloading cf.pm"; 3514 warn "reloading cf.pm";
2561 require cf; 3515 require cf;
2562 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3516 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563 3517
2564 warn "loading config and database again"; 3518 warn "loading config and database again";
2565 cf::cfg_load; 3519 cf::reload_config;
2566 3520
2567 warn "loading extensions"; 3521 warn "loading extensions";
2568 cf::load_extensions; 3522 cf::load_extensions;
2569 3523
2570 warn "reattaching attachments to objects/players"; 3524 warn "reattaching attachments to objects/players";
… …
2572 warn "reattaching attachments to maps"; 3526 warn "reattaching attachments to maps";
2573 reattach $_ for values %MAP; 3527 reattach $_ for values %MAP;
2574 warn "reattaching attachments to players"; 3528 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER; 3529 reattach $_ for values %PLAYER;
2576 3530
2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job"; 3531 warn "leaving sync_job";
2581 3532
2582 1 3533 1
2583 } or do { 3534 } or do {
2584 warn $@; 3535 warn $@;
… …
2589 warn "reloaded"; 3540 warn "reloaded";
2590}; 3541};
2591 3542
2592our $RELOAD_WATCHER; # used only during reload 3543our $RELOAD_WATCHER; # used only during reload
2593 3544
3545sub reload_perl() {
3546 # doing reload synchronously and two reloads happen back-to-back,
3547 # coro crashes during coro_state_free->destroy here.
3548
3549 $RELOAD_WATCHER ||= Event->timer (
3550 reentrant => 0,
3551 after => 0,
3552 data => WF_AUTOCANCEL,
3553 cb => sub {
3554 do_reload_perl;
3555 undef $RELOAD_WATCHER;
3556 },
3557 );
3558}
3559
2594register_command "reload" => sub { 3560register_command "reload" => sub {
2595 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
2596 3562
2597 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
2598 $who->message ("reloading server."); 3564 $who->message ("reloading server.");
2599 3565 async {
2600 # doing reload synchronously and two reloads happen back-to-back, 3566 $Coro::current->{desc} = "perl_reload";
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2608 reload; 3567 reload_perl;
2609 undef $RELOAD_WATCHER;
2610 },
2611 ); 3568 };
2612 } 3569 }
2613}; 3570};
2614 3571
2615unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
2616 3573
2617my $bug_warning = 0; 3574my $bug_warning = 0;
3575
3576our @WAIT_FOR_TICK;
3577our @WAIT_FOR_TICK_BEGIN;
3578
3579sub wait_for_tick {
3580 return unless $TICK_WATCHER->is_active;
3581 return if $Coro::current == $Coro::main;
3582
3583 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait;
3586}
3587
3588sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active;
3590 return if $Coro::current == $Coro::main;
3591
3592 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait;
3595}
2618 3596
2619$TICK_WATCHER = Event->timer ( 3597$TICK_WATCHER = Event->timer (
2620 reentrant => 0, 3598 reentrant => 0,
2621 parked => 1, 3599 parked => 1,
2622 prio => 0, 3600 prio => 0,
… …
2627 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628 unless ++$bug_warning > 10; 3606 unless ++$bug_warning > 10;
2629 return; 3607 return;
2630 } 3608 }
2631 3609
2632 $NOW = Event::time; 3610 $NOW = $tick_start = Event::time;
2633 3611
2634 cf::server_tick; # one server iteration 3612 cf::server_tick; # one server iteration
3613
2635 $RUNTIME += $TICK; 3614 $RUNTIME += $TICK;
2636 $NEXT_TICK += $TICK; 3615 $NEXT_TICK += $TICK;
2637 3616
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10; 3618 $NEXT_RUNTIME_WRITE = $NOW + 10;
2640 Coro::async_pool { 3619 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver";
2641 write_runtime 3621 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!"; 3622 or warn "ERROR: unable to write runtime file: $!";
2643 }; 3623 };
2644 } 3624 }
2645 3625
2646 $WAIT_FOR_TICK->broadcast; 3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3627 $sig->send;
3628 }
3629 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send;
3631 }
2648 3632
2649# my $AFTER = Event::time; 3633 $NOW = Event::time;
2650# warn $AFTER - $NOW;#d#
2651 3634
2652 # if we are delayed by four ticks or more, skip them all 3635 # if we are delayed by four ticks or more, skip them all
2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3636 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654 3637
2655 $TICK_WATCHER->at ($NEXT_TICK); 3638 $TICK_WATCHER->at ($NEXT_TICK);
2656 $TICK_WATCHER->start; 3639 $TICK_WATCHER->start;
3640
3641 $LOAD = ($NOW - $tick_start) / $TICK;
3642 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643
3644 _post_tick;
2657 }, 3645 },
2658); 3646);
2659 3647
2660{ 3648{
3649 BDB::min_parallel 8;
2661 BDB::max_poll_time $TICK * 0.1; 3650 BDB::max_poll_time $TICK * 0.1;
2662 $BDB_POLL_WATCHER = Event->io ( 3651 $BDB_POLL_WATCHER = Event->io (
2663 reentrant => 0, 3652 reentrant => 0,
2664 fd => BDB::poll_fileno, 3653 fd => BDB::poll_fileno,
2665 poll => 'r', 3654 poll => 'r',
2666 prio => 0, 3655 prio => 0,
2667 data => WF_AUTOCANCEL, 3656 data => WF_AUTOCANCEL,
2668 cb => \&BDB::poll_cb, 3657 cb => \&BDB::poll_cb,
2669 ); 3658 );
2670 BDB::min_parallel 8;
2671 3659
2672 BDB::set_sync_prepare { 3660 BDB::set_sync_prepare {
2673 my $status; 3661 my $status;
2674 my $current = $Coro::current; 3662 my $current = $Coro::current;
2675 ( 3663 (
… …
2684 ) 3672 )
2685 }; 3673 };
2686 3674
2687 unless ($DB_ENV) { 3675 unless ($DB_ENV) {
2688 $DB_ENV = BDB::db_env_create; 3676 $DB_ENV = BDB::db_env_create;
3677 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3678 | BDB::LOG_AUTOREMOVE, 1);
3679 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689 3681
2690 cf::sync_job { 3682 cf::sync_job {
2691 eval { 3683 eval {
2692 BDB::db_env_open 3684 BDB::db_env_open
2693 $DB_ENV, 3685 $DB_ENV,
2694 $BDB_ENV_DIR, 3686 $BDBDIR,
2695 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3687 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3688 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666; 3689 0666;
2698 3690
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3691 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect;
2703 }; 3692 };
2704 3693
2705 cf::cleanup "db_env_open(db): $@" if $@; 3694 cf::cleanup "db_env_open(db): $@" if $@;
2706 }; 3695 };
2707 } 3696 }
3697
3698 $BDB_DEADLOCK_WATCHER = Event->timer (
3699 after => 3,
3700 interval => 1,
3701 hard => 1,
3702 prio => 0,
3703 data => WF_AUTOCANCEL,
3704 cb => sub {
3705 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706 },
3707 );
3708 $BDB_CHECKPOINT_WATCHER = Event->timer (
3709 after => 11,
3710 interval => 60,
3711 hard => 1,
3712 prio => 0,
3713 data => WF_AUTOCANCEL,
3714 cb => sub {
3715 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716 },
3717 );
3718 $BDB_TRICKLE_WATCHER = Event->timer (
3719 after => 5,
3720 interval => 10,
3721 hard => 1,
3722 prio => 0,
3723 data => WF_AUTOCANCEL,
3724 cb => sub {
3725 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726 },
3727 );
2708} 3728}
2709 3729
2710{ 3730{
2711 IO::AIO::min_parallel 8; 3731 IO::AIO::min_parallel 8;
2712 3732
… …
2715 $AIO_POLL_WATCHER = Event->io ( 3735 $AIO_POLL_WATCHER = Event->io (
2716 reentrant => 0, 3736 reentrant => 0,
2717 data => WF_AUTOCANCEL, 3737 data => WF_AUTOCANCEL,
2718 fd => IO::AIO::poll_fileno, 3738 fd => IO::AIO::poll_fileno,
2719 poll => 'r', 3739 poll => 'r',
2720 prio => 6, 3740 prio => 0,
2721 cb => \&IO::AIO::poll_cb, 3741 cb => \&IO::AIO::poll_cb,
2722 ); 3742 );
2723} 3743}
2724 3744
3745my $_log_backtrace;
3746
3747sub _log_backtrace {
3748 my ($msg, @addr) = @_;
3749
3750 $msg =~ s/\n//;
3751
3752 # limit the # of concurrent backtraces
3753 if ($_log_backtrace < 2) {
3754 ++$_log_backtrace;
3755 async {
3756 $Coro::current->{desc} = "abt $msg";
3757
3758 my @bt = fork_call {
3759 @addr = map { sprintf "%x", $_ } @addr;
3760 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3761 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3762 or die "addr2line: $!";
3763
3764 my @funcs;
3765 my @res = <$fh>;
3766 chomp for @res;
3767 while (@res) {
3768 my ($func, $line) = splice @res, 0, 2, ();
3769 push @funcs, "[$func] $line";
3770 }
3771
3772 @funcs
3773 };
3774
3775 LOG llevInfo, "[ABT] $msg\n";
3776 LOG llevInfo, "[ABT] $_\n" for @bt;
3777 --$_log_backtrace;
3778 };
3779 } else {
3780 LOG llevInfo, "[ABT] $msg\n";
3781 LOG llevInfo, "[ABT] [suppressed]\n";
3782 }
3783}
3784
3785# load additional modules
3786use cf::pod;
3787
2725END { cf::emergency_save } 3788END { cf::emergency_save }
2726 3789
27271 37901
2728 3791

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