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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.394 by root, Thu Nov 8 19:43:25 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;
23use Coro::Storable;
24use Coro::Util ();
21 25
26use JSON::XS ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
26use YAML::Syck (); 31use YAML::Syck ();
27use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
31# configure various modules to our taste 37# configure various modules to our taste
32# 38#
39$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 42
36$Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
37 44
45our %COMMAND = (); 52our %COMMAND = ();
46our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
47 54
48our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
52 60
53our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
54our @EVENT; 62our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 63
57our $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(!)
58our $TICK_WATCHER; 77our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 80our $NEXT_TICK;
62our $NOW; 81our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
64 83
65our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 88our $DB_ENV;
67 89
68our %CFG; 90our %CFG;
69 91
70our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 93our $RUNTIME;
72 94
73our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 98
82# 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 ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
85binmode STDOUT; 106binmode STDOUT;
86binmode STDERR; 107binmode STDERR;
87 108
88# read virtual server time, if available 109# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
93} 114}
94 115
95mkdir cf::localdir; 116mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 118
102our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
103 120
104sub cf::map::normalise; 121sub cf::map::normalise;
105 122
116=item $cf::RUNTIME 133=item $cf::RUNTIME
117 134
118The 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
119every server tick. 136every server tick.
120 137
121=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
122 141
123The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
124be 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.
125 146
126=item $cf::NOW 147=item $cf::NOW
127 148
128The time of the last (current) server tick. 149The time of the last (current) server tick.
129 150
130=item $cf::TICK 151=item $cf::TICK
131 152
132The 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.
133 164
134=item %cf::CFG 165=item %cf::CFG
135 166
136Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 168from wherever your confdir points to.
138 169
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
140 171
141These 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
142or 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
143processing 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.
144window 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.
145 181
146=back 182=back
147 183
148=cut 184=cut
149 185
150BEGIN { 186BEGIN {
151 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 188 my $msg = join "", @_;
153 utf8::encode $msg;
154 189
155 $msg .= "\n" 190 $msg .= "\n"
156 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157 194
158 LOG llevError, $msg; 195 LOG llevError, $msg;
159 }; 196 };
160} 197}
161 198
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@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';
167@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)
168 206
169# 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
170# within the Safe compartment. 208# within the Safe compartment.
171for my $pkg (qw( 209for my $pkg (qw(
172 cf::global cf::attachable 210 cf::global cf::attachable
180} 218}
181 219
182$Event::DIED = sub { 220$Event::DIED = sub {
183 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
184}; 222};
223
224#############################################################################
185 225
186=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
187 227
188=over 4 228=over 4
189 229
208 $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;
209 $d 249 $d
210 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
211} 251}
212 252
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
216 254
217Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
218 256
219=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
220 258
221Converts 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]) }
222 267
223=item cf::lock_wait $string 268=item cf::lock_wait $string
224 269
225Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
226 271
229Wait 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
230a 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,
231for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
232returned. 277returned.
233 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
234Lock 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
235uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
236 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
237=cut 289=cut
238 290
239our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
240 293
241sub lock_wait($) { 294sub lock_wait($) {
242 my ($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#
243 301
244 # wait for lock, if any 302 # wait for lock, if any
245 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 305 Coro::schedule;
253 311
254 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
255 lock_wait $key; 313 lock_wait $key;
256 314
257 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
258 317
259 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
262 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
263} 329}
264 330
265sub freeze_mainloop { 331sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
267 333
270 }; 336 };
271 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
272 $guard 338 $guard
273} 339}
274 340
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
275=item cf::async { BLOCK } 399=item cf::async { BLOCK }
276 400
277Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
278C<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
279thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
282 406
283BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
284 408
285=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
286 410
287The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Deliantra is only
289reentrant. 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.
290 415
291If 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
292the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
293server 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
294fast or be very important. 419fast or be very important.
297 422
298sub sync_job(&) { 423sub sync_job(&) {
299 my ($job) = @_; 424 my ($job) = @_;
300 425
301 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
302 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
304 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
305 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 435 # (but this is cancel-safe)
307 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
308 437
309 my $busy = 1; 438 my $busy = 1;
310 my @res; 439 my @res;
311 440
312 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 443 @res = eval { $job->() };
314 warn $@ if $@; 444 warn $@ if $@;
315 undef $busy; 445 undef $busy;
316 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
317 447
318 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
319 Coro::cede or Event::one_event; 452 Event::one_event;
320 } 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
321 462
322 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
323 } else { 464 } else {
324 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
325 466
345 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
346 487
347 $coro 488 $coro
348} 489}
349 490
350sub write_runtime { 491=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 492
353 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.
354 497
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 498=cut
356 or return;
357 499
358 my $value = $cf::RUNTIME + 90 + 10; 500sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 501 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 502
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 503 # we seemingly have to make a local copy of the whole thing,
363 and return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
364 506
365 # always fsync - this file is important 507 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 508 reset_signals;
367 and return; 509 &$cb
510 }, @args;
368 511
369 close $fh 512 wantarray ? @res : $res[-1]
370 or return; 513}
371 514
372 aio_rename "$runtime~", $runtime 515=item $value = cf::db_get $family => $key
373 and return;
374 516
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
375 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"
376} 640}
377 641
378=item cf::datalog type => key => value, ... 642=item cf::datalog type => key => value, ...
379 643
380Log 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.
398attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
400 664
401In 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>
402C<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
403crossfire+). 667Deliantra).
404 668
405=over 4 669=over 4
406 670
407=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
408 672
571 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
572 836
573 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 841
578 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 843 my $pkg = shift @arg;
580 844
581 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
611 } 875 }
612 876
613 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
614 } else { 878 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 880 }
617 881
618 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
619} 883}
620 884
622 if (ref $_[0]) { 886 if (ref $_[0]) {
623 _object_attach @_; 887 _object_attach @_;
624 } else { 888 } else {
625 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
626 } 890 }
891 _recalc_want;
627}; 892};
628 893
629# all those should be optimised 894# all those should be optimised
630sub cf::attachable::detach { 895sub cf::attachable::detach {
631 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
635 reattach ($obj); 900 reattach ($obj);
636 } else { 901 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
638 } 903 }
904 _recalc_want;
639}; 905};
640 906
641sub cf::attachable::attached { 907sub cf::attachable::attached {
642 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
643 909
658 "; 924 ";
659 die if $@; 925 die if $@;
660} 926}
661 927
662our $override; 928our $override;
663our @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?
664 930
665sub override { 931sub override {
666 $override = 1; 932 $override = 1;
667 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
668} 934}
669 935
670sub do_invoke { 936sub do_invoke {
671 my $event = shift; 937 my $event = shift;
672 my $callbacks = shift; 938 my $callbacks = shift;
673 939
674 @invoke_results = (); 940 @INVOKE_RESULTS = ();
675 941
676 local $override; 942 local $override;
677 943
678 for (@$callbacks) { 944 for (@$callbacks) {
679 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
696 962
697Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
698 964
699This 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
700removed 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
701results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 968
703=back 969=back
704 970
705=cut 971=cut
706 972
707############################################################################# 973#############################################################################
708# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
709 1017
710sub reattach { 1018sub reattach {
711 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 1020 my ($obj) = @_;
713 1021
760sub object_freezer_save { 1068sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
762 1070
763 sync_job { 1071 sync_job {
764 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
767 1076
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1081 close $fh;
773 1082
774 if (@$objs) { 1083 if (@$objs) {
775 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) {
776 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1089 close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
782 } 1091 }
790 } 1099 }
791 } else { 1100 } else {
792 aio_unlink $filename; 1101 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
794 } 1103 }
795 } 1104 };
796} 1105}
797 1106
798sub object_freezer_as_string { 1107sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
800 1109
812 or return; 1121 or return;
813 1122
814 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
816 or return; 1125 or return;
1126
817 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
818 } 1129 }
819 1130
1131 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
822 return ($data, $av); 1135 ($data, $av)
823} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
824 1143
825############################################################################# 1144#############################################################################
826# command handling &c 1145# command handling &c
827 1146
828=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1161}
843 1162
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1164
846Register 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.
847 1170
848If 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
849called. 1172called.
850 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
851=cut 1185=cut
852 1186
853sub register_extcmd { 1187sub register_extcmd {
854 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
855 1189
856 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
857} 1197}
858 1198
859cf::player->attach ( 1199cf::player->attach (
860 on_command => sub { 1200 on_command => sub {
861 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
870 cf::override; 1210 cf::override;
871 }, 1211 },
872 on_extcmd => sub { 1212 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
874 1214
875 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1216
877 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
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
883 } else { 1232 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1234 }
886 1235
887 cf::override; 1236 cf::override;
888 }, 1237 },
889); 1238);
890 1239
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
926 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1245 next unless -r $path;
928 eval { 1246
929 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;
930 1 1304 }
931 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
932 } 1310 };
933} 1311}
934 1312
935############################################################################# 1313#############################################################################
936 1314
1315=back
1316
937=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
938 1318
939Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
940 1320
941=cut 1321=cut
946 1326
947=head3 cf::player 1327=head3 cf::player
948 1328
949=over 4 1329=over 4
950 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
951=item cf::player::find $login 1345=item cf::player::find $login
952 1346
953Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
954 1348
955=cut 1349=cut
956 1350
957sub playerdir($) { 1351sub playerdir($) {
958 cf::localdir 1352 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1354}
964 1355
965sub path($) { 1356sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl"; 1387 aio_unlink +(playerdir $login) . "/$login.pl";
997 1388
998 my $pl = load_pl path $login 1389 my $f = new_from_file cf::object::thawer path $login
999 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;
1000 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
1001 } 1397 }
1002 } 1398 }
1003} 1399}
1004 1400
1014 1410
1015 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1016 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1017 1413
1018 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1019 Coro::cede; 1415 cf::cede_to_tick;
1020} 1416}
1021 1417
1022sub new($) { 1418sub new($) {
1023 my ($login) = @_; 1419 my ($login) = @_;
1024 1420
1028 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1029 1425
1030 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1031 1427
1032 $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 (@_);
1033} 1439}
1034 1440
1035=item $pl->quit_character 1441=item $pl->quit_character
1036 1442
1037Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1086while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1087 1493
1088=cut 1494=cut
1089 1495
1090sub list_logins { 1496sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1092 or return []; 1498 or return [];
1093 1499
1094 my @logins; 1500 my @logins;
1095 1501
1096 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") {
1097 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1099 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1100 1511
1101 utf8::decode $login; 1512 utf8::decode $login;
1102 push @logins, $login; 1513 push @logins, $login;
1103 } 1514 }
1104 1515
1131 } 1542 }
1132 1543
1133 \@paths 1544 \@paths
1134} 1545}
1135 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
1136=item $player->ext_reply ($msgid, %msg) 1640=item $player->ext_reply ($msgid, @msg)
1137 1641
1138Sends an ext reply to the player. 1642Sends an ext reply to the player.
1139 1643
1140=cut 1644=cut
1141 1645
1142sub ext_reply($$%) { 1646sub ext_reply($$@) {
1143 my ($self, $id, %msg) = @_; 1647 my ($self, $id, @msg) = @_;
1144 1648
1145 $msg{msgid} = $id; 1649 $self->ns->ext_reply ($id, @msg)
1146
1147 $self->send ("ext " . cf::to_json \%msg);
1148} 1650}
1149 1651
1150=item $player->ext_event ($type, %msg) 1652=item $player->ext_msg ($type, @msg)
1151 1653
1152Sends an ext event to the client. 1654Sends an ext event to the client.
1153 1655
1154=cut 1656=cut
1155 1657
1156sub ext_event($$%) { 1658sub ext_msg($$@) {
1157 my ($self, $type, %msg) = @_; 1659 my ($self, $type, @msg) = @_;
1158 1660
1159 $self->ns->ext_event ($type, %msg); 1661 $self->ns->ext_msg ($type, @msg);
1160} 1662}
1161 1663
1162package 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 $match
1691}
1163 1692
1164=back 1693=back
1165
1166 1694
1167=head3 cf::map 1695=head3 cf::map
1168 1696
1169=over 4 1697=over 4
1170 1698
1225 my ($self, $merge) = @_; 1753 my ($self, $merge) = @_;
1226 1754
1227 # we have to keep some variables in memory intact 1755 # we have to keep some variables in memory intact
1228 local $self->{path}; 1756 local $self->{path};
1229 local $self->{load_path}; 1757 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232 1758
1233 $self->SUPER::thawer_merge ($merge); 1759 $self->SUPER::thawer_merge ($merge);
1234} 1760}
1235 1761
1236sub normalise { 1762sub normalise {
1283 $self->init; # pass $1 etc. 1809 $self->init; # pass $1 etc.
1284 return $self; 1810 return $self;
1285 } 1811 }
1286 } 1812 }
1287 1813
1288 Carp::carp "unable to resolve path '$path' (base '$base')."; 1814 Carp::cluck "unable to resolve path '$path' (base '$base').";
1289 () 1815 ()
1290} 1816}
1291 1817
1292sub init { 1818sub init {
1293 my ($self) = @_; 1819 my ($self) = @_;
1308 1834
1309# the original (read-only) location 1835# the original (read-only) location
1310sub load_path { 1836sub load_path {
1311 my ($self) = @_; 1837 my ($self) = @_;
1312 1838
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1839 "$MAPDIR/$self->{path}.map"
1314} 1840}
1315 1841
1316# the temporary/swap location 1842# the temporary/swap location
1317sub save_path { 1843sub save_path {
1318 my ($self) = @_; 1844 my ($self) = @_;
1319 1845
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1847 "$TMPDIR/$path.map"
1322} 1848}
1323 1849
1324# the unique path, undef == no special unique path 1850# the unique path, undef == no special unique path
1325sub uniq_path { 1851sub uniq_path {
1326 my ($self) = @_; 1852 my ($self) = @_;
1327 1853
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1855 "$UNIQUEDIR/$path"
1330} 1856}
1331 1857
1332# and all this just because we cannot iterate over 1858# and all this just because we cannot iterate over
1333# all maps in C++... 1859# all maps in C++...
1334sub change_all_map_light { 1860sub change_all_map_light {
1336 1862
1337 $_->change_map_light ($change) 1863 $_->change_map_light ($change)
1338 for grep $_->outdoor, values %cf::MAP; 1864 for grep $_->outdoor, values %cf::MAP;
1339} 1865}
1340 1866
1867sub decay_objects {
1868 my ($self) = @_;
1869
1870 return if $self->{deny_reset};
1871
1872 $self->do_decay_objects;
1873}
1874
1341sub unlink_save { 1875sub unlink_save {
1342 my ($self) = @_; 1876 my ($self) = @_;
1343 1877
1344 utf8::encode (my $save = $self->save_path); 1878 utf8::encode (my $save = $self->save_path);
1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1879 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1348 1882
1349sub load_header_from($) { 1883sub load_header_from($) {
1350 my ($self, $path) = @_; 1884 my ($self, $path) = @_;
1351 1885
1352 utf8::encode $path; 1886 utf8::encode $path;
1353 #aio_open $path, O_RDONLY, 0 1887 my $f = new_from_file cf::object::thawer $path
1354 # or return;
1355
1356 $self->_load_header ($path)
1357 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;
1358 1895
1359 $self->{load_path} = $path; 1896 $self->{load_path} = $path;
1360 1897
1361 1 1898 1
1362} 1899}
1401 $self->load_header_orig 1938 $self->load_header_orig
1402 or return; 1939 or return;
1403 $self->prepare_orig; 1940 $self->prepare_orig;
1404 } 1941 }
1405 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 $self->default_region;
1948
1406 1 1949 1
1407} 1950}
1408 1951
1409sub find; 1952sub find;
1410sub find { 1953sub find {
1411 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
1412 1955
1413 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
1414 1957
1958 cf::lock_wait "map_data:$path";#d#remove
1415 cf::lock_wait "map_find:$path"; 1959 cf::lock_wait "map_find:$path";
1416 1960
1417 $cf::MAP{$path} || do { 1961 $cf::MAP{$path} || do {
1418 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
1419 my $map = new_from_path cf::map $path 1965 my $map = new_from_path cf::map $path
1420 or return; 1966 or return;
1421 1967
1422 $map->{last_save} = $cf::RUNTIME; 1968 $map->{last_save} = $cf::RUNTIME;
1423 1969
1424 $map->load_header 1970 $map->load_header
1425 or return; 1971 or return;
1426 1972
1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1973 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously 1974 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait; 1975 #$cf::WAIT_FOR_TICK->wait;
1976 undef $guard1;
1977 undef $guard2;
1430 $map->reset; 1978 $map->reset;
1431 undef $guard;
1432 return find $path; 1979 return find $path;
1433 } 1980 }
1434 1981
1435 $cf::MAP{$path} = $map 1982 $cf::MAP{$path} = $map
1436 } 1983 }
1443 my ($self) = @_; 1990 my ($self) = @_;
1444 1991
1445 local $self->{deny_reset} = 1; # loading can take a long time 1992 local $self->{deny_reset} = 1; # loading can take a long time
1446 1993
1447 my $path = $self->{path}; 1994 my $path = $self->{path};
1995
1996 {
1448 my $guard = cf::lock_acquire "map_load:$path"; 1997 my $guard = cf::lock_acquire "map_data:$path";
1449 1998
1999 return unless $self->valid;
1450 return if $self->in_memory != cf::MAP_SWAPPED; 2000 return unless $self->in_memory == cf::MAP_SWAPPED;
1451 2001
1452 $self->in_memory (cf::MAP_LOADING); 2002 $self->in_memory (cf::MAP_LOADING);
1453 2003
1454 $self->alloc; 2004 $self->alloc;
1455 2005
1456 $self->pre_load; 2006 $self->pre_load;
2007 cf::cede_to_tick;
1457 2008
1458 $self->_load_objects ($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)
1459 or return; 2012 or return;
1460 2013
1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2014 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462 if delete $self->{load_original}; 2015 if delete $self->{load_original};
1463 2016
1464 if (my $uniq = $self->uniq_path) { 2017 if (my $uniq = $self->uniq_path) {
1465 utf8::encode $uniq; 2018 utf8::encode $uniq;
1466 if (aio_open $uniq, O_RDONLY, 0) { 2019 unless (aio_stat $uniq) {
2020 if (my $f = new_from_file cf::object::thawer $uniq) {
1467 $self->clear_unique_items; 2021 $self->clear_unique_items;
1468 $self->_load_objects ($uniq, 0); 2022 $self->_load_objects ($f);
2023 $f->resolve_delayed_derefs;
2024 }
1469 } 2025 }
1470 } 2026 }
1471 2027
1472 Coro::cede; 2028 $f->resolve_delayed_derefs;
1473 2029
2030 cf::cede_to_tick;
1474 # now do the right thing for maps 2031 # now do the right thing for maps
1475 $self->link_multipart_objects; 2032 $self->link_multipart_objects;
1476
1477 unless ($self->{deny_activate}) {
1478 $self->decay_objects;
1479 $self->fix_auto_apply;
1480 $self->update_buttons;
1481 Coro::cede;
1482 $self->set_darkness_map;
1483 $self->difficulty ($self->estimate_difficulty) 2033 $self->difficulty ($self->estimate_difficulty)
1484 unless $self->difficulty; 2034 unless $self->difficulty;
1485 Coro::cede; 2035 cf::cede_to_tick;
2036
2037 unless ($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;
1486 $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);
1487 } 2051 }
1488 2052
1489 $self->post_load; 2053 $self->post_load;
1490
1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492} 2054}
1493 2055
1494sub customise_for { 2056sub customise_for {
1495 my ($self, $ob) = @_; 2057 my ($self, $ob) = @_;
1496 2058
1497 return find "~" . $ob->name . "/" . $self->{path} 2059 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player; 2060 if $self->per_player;
1499 2061
2062# return find "?party/" . $ob->name . "/" . $self->{path}
2063# if $self->per_party;
2064
1500 $self 2065 $self
1501} 2066}
1502 2067
1503# find and load all maps in the 3x3 area around a map 2068# find and load all maps in the 3x3 area around a map
1504sub load_diag { 2069sub load_neighbours {
1505 my ($map) = @_; 2070 my ($map) = @_;
1506 2071
1507 my @diag; # diagonal neighbours 2072 my @neigh; # diagonal neighbours
1508 2073
1509 for (0 .. 3) { 2074 for (0 .. 3) {
1510 my $neigh = $map->tile_path ($_) 2075 my $neigh = $map->tile_path ($_)
1511 or next; 2076 or next;
1512 $neigh = find $neigh, $map 2077 $neigh = find $neigh, $map
1513 or next; 2078 or next;
1514 $neigh->load; 2079 $neigh->load;
1515 2080
2081 push @neigh,
1516 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2082 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2083 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1518 } 2084 }
1519 2085
1520 for (@diag) { 2086 for (grep defined $_->[0], @neigh) {
2087 my ($path, $origin) = @$_;
1521 my $neigh = find @$_ 2088 my $neigh = find $path, $origin
1522 or next; 2089 or next;
1523 $neigh->load; 2090 $neigh->load;
1524 } 2091 }
1525} 2092}
1526 2093
1531} 2098}
1532 2099
1533sub do_load_sync { 2100sub do_load_sync {
1534 my ($map) = @_; 2101 my ($map) = @_;
1535 2102
2103 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2104 if $Coro::current == $Coro::main;
2105
1536 cf::sync_job { $map->load }; 2106 cf::sync_job { $map->load };
1537} 2107}
1538 2108
1539our %MAP_PREFETCH; 2109our %MAP_PREFETCH;
1540our $MAP_PREFETCHER = undef; 2110our $MAP_PREFETCHER = undef;
1541 2111
1542sub find_async { 2112sub find_async {
1543 my ($path, $origin) = @_; 2113 my ($path, $origin, $load) = @_;
1544 2114
1545 $path = normalise $path, $origin && $origin->{path}; 2115 $path = normalise $path, $origin && $origin->{path};
1546 2116
1547 if (my $map = $cf::MAP{$path}) { 2117 if (my $map = $cf::MAP{$path}) {
1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2118 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549 } 2119 }
1550 2120
1551 undef $MAP_PREFETCH{$path}; 2121 $MAP_PREFETCH{$path} |= $load;
2122
1552 $MAP_PREFETCHER ||= cf::async { 2123 $MAP_PREFETCHER ||= cf::async {
2124 $Coro::current->{desc} = "map prefetcher";
2125
1553 while (%MAP_PREFETCH) { 2126 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) { 2127 while (my ($k, $v) = each %MAP_PREFETCH) {
1555 my $map = find $path 2128 if (my $map = find $k) {
1556 or next;
1557 $map->load; 2129 $map->load if $v;
2130 }
1558 2131
1559 delete $MAP_PREFETCH{$path}; 2132 delete $MAP_PREFETCH{$k};
1560 } 2133 }
1561 } 2134 }
1562 undef $MAP_PREFETCHER; 2135 undef $MAP_PREFETCHER;
1563 }; 2136 };
1564 $MAP_PREFETCHER->prio (6); 2137 $MAP_PREFETCHER->prio (6);
1567} 2140}
1568 2141
1569sub save { 2142sub save {
1570 my ($self) = @_; 2143 my ($self) = @_;
1571 2144
1572 my $lock = cf::lock_acquire "map_data:" . $self->path; 2145 my $lock = cf::lock_acquire "map_data:$self->{path}";
1573 2146
1574 $self->{last_save} = $cf::RUNTIME; 2147 $self->{last_save} = $cf::RUNTIME;
1575 2148
1576 return unless $self->dirty; 2149 return unless $self->dirty;
1577 2150
1583 return if $self->{deny_save}; 2156 return if $self->{deny_save};
1584 2157
1585 local $self->{last_access} = $self->last_access;#d# 2158 local $self->{last_access} = $self->last_access;#d#
1586 2159
1587 cf::async { 2160 cf::async {
2161 $Coro::current->{desc} = "map player save";
1588 $_->contr->save for $self->players; 2162 $_->contr->save for $self->players;
1589 }; 2163 };
1590 2164
1591 if ($uniq) { 2165 if ($uniq) {
1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1600 my ($self) = @_; 2174 my ($self) = @_;
1601 2175
1602 # save first because save cedes 2176 # save first because save cedes
1603 $self->save; 2177 $self->save;
1604 2178
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2179 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2180
1607 return if $self->players; 2181 return if $self->players;
1608 return if $self->in_memory != cf::MAP_IN_MEMORY; 2182 return if $self->in_memory != cf::MAP_IN_MEMORY;
1609 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1610 2184
2185 $self->in_memory (cf::MAP_SWAPPED);
2186
2187 $self->deactivate;
2188 $_->clear_links_to ($self) for values %cf::MAP;
1611 $self->clear; 2189 $self->clear;
1612 $self->in_memory (cf::MAP_SWAPPED);
1613} 2190}
1614 2191
1615sub reset_at { 2192sub reset_at {
1616 my ($self) = @_; 2193 my ($self) = @_;
1617 2194
1618 # TODO: safety, remove and allow resettable per-player maps 2195 # TODO: safety, remove and allow resettable per-player maps
1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1620 return 1e99 if $self->{deny_reset}; 2196 return 1e99 if $self->{deny_reset};
1621 2197
1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2198 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2199 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624 2200
1635 my ($self) = @_; 2211 my ($self) = @_;
1636 2212
1637 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2214
1639 return if $self->players; 2215 return if $self->players;
1640 return if $self->isa ("ext::map_per_player");#d#
1641 2216
1642 warn "resetting map ", $self->path;#d# 2217 warn "resetting map ", $self->path;
1643 2218
1644 $self->in_memory (cf::MAP_SWAPPED); 2219 $self->in_memory (cf::MAP_SWAPPED);
1645 2220
1646 # need to save uniques path 2221 # need to save uniques path
1647 unless ($self->{deny_save}) { 2222 unless ($self->{deny_save}) {
1651 if $uniq; 2226 if $uniq;
1652 } 2227 }
1653 2228
1654 delete $cf::MAP{$self->path}; 2229 delete $cf::MAP{$self->path};
1655 2230
2231 $self->deactivate;
2232 $_->clear_links_to ($self) for values %cf::MAP;
1656 $self->clear; 2233 $self->clear;
1657
1658 $_->clear_links_to ($self) for values %cf::MAP;
1659 2234
1660 $self->unlink_save; 2235 $self->unlink_save;
1661 $self->destroy; 2236 $self->destroy;
1662} 2237}
1663 2238
1664my $nuke_counter = "aaaa"; 2239my $nuke_counter = "aaaa";
1665 2240
1666sub nuke { 2241sub nuke {
1667 my ($self) = @_; 2242 my ($self) = @_;
1668 2243
2244 {
2245 my $lock = cf::lock_acquire "map_data:$self->{path}";
2246
1669 delete $cf::MAP{$self->path}; 2247 delete $cf::MAP{$self->path};
1670 2248
1671 $self->unlink_save; 2249 $self->unlink_save;
1672 2250
1673 bless $self, "cf::map"; 2251 bless $self, "cf::map";
1674 delete $self->{deny_reset}; 2252 delete $self->{deny_reset};
1675 $self->{deny_save} = 1; 2253 $self->{deny_save} = 1;
1676 $self->reset_timeout (1); 2254 $self->reset_timeout (1);
1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2255 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678 2256
1679 $cf::MAP{$self->path} = $self; 2257 $cf::MAP{$self->path} = $self;
2258 }
1680 2259
1681 $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 ]
1682} 2297}
1683 2298
1684=item cf::map::unique_maps 2299=item cf::map::unique_maps
1685 2300
1686Returns an arrayref of paths of all shared maps that have 2301Returns an arrayref of paths of all shared maps that have
1687instantiated unique items. May block. 2302instantiated unique items. May block.
1688 2303
1689=cut 2304=cut
1690 2305
1691sub unique_maps() { 2306sub unique_maps() {
1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2307 [
1693 or return; 2308 map {
1694
1695 my @paths;
1696
1697 for (@$files) {
1698 utf8::decode $_; 2309 utf8::decode $_;
1699 next if /\.pst$/; 2310 /\.map$/
1700 next unless /^$PATH_SEP/o; 2311 ? normalise $_
1701 2312 : ()
1702 push @paths, cf::map::normalise $_; 2313 } @{ aio_readdir $UNIQUEDIR or [] }
1703 } 2314 ]
1704
1705 \@paths
1706} 2315}
1707 2316
1708package cf; 2317package cf;
1709 2318
1710=back 2319=back
1728 map { $_, inv_recursive_ $_->inv } @_ 2337 map { $_, inv_recursive_ $_->inv } @_
1729} 2338}
1730 2339
1731sub inv_recursive { 2340sub inv_recursive {
1732 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 }
1733} 2370}
1734 2371
1735package cf; 2372package cf;
1736 2373
1737=back 2374=back
1756 2393
1757 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2394 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758 2395
1759 if ($self->{record_replies}) { 2396 if ($self->{record_replies}) {
1760 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2397 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2398
1761 } 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 {
1762 $msg = $npc->name . " says: $msg" if $npc; 2407 $msg = $npc->name . " says: $msg" if $npc;
1763 $self->message ($msg, $flags); 2408 $self->message ($msg, $flags);
2409 }
1764 } 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 (@_);
1765} 2421}
1766 2422
1767=item $player_object->may ("access") 2423=item $player_object->may ("access")
1768 2424
1769Returns wether the given player is authorized to access resource "access" 2425Returns wether the given player is authorized to access resource "access"
1816 $self->deactivate_recursive; 2472 $self->deactivate_recursive;
1817 2473
1818 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2474 return if UNIVERSAL::isa $self->map, "ext::map_link";
1819 2475
1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2476 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821 if $self->map; 2477 if $self->map && $self->map->{path} ne "{link}";
1822 2478
1823 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2479 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1824} 2480}
1825 2481
1826sub cf::object::player::leave_link { 2482sub cf::object::player::leave_link {
1827 my ($self, $map, $x, $y) = @_; 2483 my ($self, $map, $x, $y) = @_;
2484
2485 return unless $self->contr->active;
1828 2486
1829 my $link_pos = delete $self->{_link_pos}; 2487 my $link_pos = delete $self->{_link_pos};
1830 2488
1831 unless ($map) { 2489 unless ($map) {
1832 # restore original map position 2490 # restore original map position
1846 # use -1 or undef as default coordinates, not 0, 0 2504 # use -1 or undef as default coordinates, not 0, 0
1847 ($x, $y) = ($map->enter_x, $map->enter_y) 2505 ($x, $y) = ($map->enter_x, $map->enter_y)
1848 if $x <=0 && $y <= 0; 2506 if $x <=0 && $y <= 0;
1849 2507
1850 $map->load; 2508 $map->load;
1851 $map->load_diag; 2509 $map->load_neighbours;
1852 2510
1853 return unless $self->contr->active; 2511 return unless $self->contr->active;
1854 $self->activate_recursive; 2512 $self->activate_recursive;
1855 2513
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2514 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857 $self->enter_map ($map, $x, $y); 2515 $self->enter_map ($map, $x, $y);
1858} 2516}
1859 2517
1860cf::player->attach ( 2518=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861 on_logout => sub {
1862 my ($pl) = @_;
1863 2519
1864 # abort map switching before logout 2520Moves the player to the given map-path and coordinates by first freezing
1865 if ($pl->ob->{_link_pos}) { 2521her, loading and preparing them map, calling the provided $check callback
1866 cf::sync_job { 2522that has to return the map if sucecssful, and then unfreezes the player on
1867 $pl->ob->leave_link 2523the new (success) or old (failed) map position. In either case, $done will
1868 }; 2524be called at the end of this process.
1869 }
1870 },
1871 on_login => sub {
1872 my ($pl) = @_;
1873 2525
1874 # try to abort aborted map switching on player login :)
1875 # should happen only on crashes
1876 if ($pl->ob->{_link_pos}) {
1877 $pl->ob->enter_link;
1878 (async {
1879 $pl->ob->reply (undef,
1880 "There was an internal problem at your last logout, "
1881 . "the server will try to bring you to your intended destination in a second.",
1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1885 Coro::Timer::sleep 1;
1886 $pl->ob->leave_link;
1887 })->prio (2);
1888 }
1889 },
1890);
1891
1892=item $player_object->goto ($path, $x, $y)
1893
1894=cut 2526=cut
2527
2528our $GOTOGEN;
1895 2529
1896sub cf::object::player::goto { 2530sub cf::object::player::goto {
1897 my ($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;
1898 2535
1899 $self->enter_link; 2536 $self->enter_link;
1900 2537
1901 (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
1902 my $map = eval { 2560 my $map = eval {
1903 my $map = cf::map::find $path; 2561 my $map = defined $path ? cf::map::find $path : undef;
2562
2563 if ($map) {
1904 $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
1905 $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 $@;
1906 } or 2576 }
1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908 2577
2578 if ($gen == $self->{_goto_generation}) {
2579 delete $self->{_goto_generation};
1909 $self->leave_link ($map, $x, $y); 2580 $self->leave_link ($map, $x, $y);
2581 }
2582
2583 $done->() if $done;
1910 })->prio (1); 2584 })->prio (1);
1911} 2585}
1912 2586
1913=item $player_object->enter_exit ($exit_object) 2587=item $player_object->enter_exit ($exit_object)
1914 2588
1953 2627
1954 $rmp->{random_seed} ||= $exit->random_seed; 2628 $rmp->{random_seed} ||= $exit->random_seed;
1955 2629
1956 my $data = cf::to_json $rmp; 2630 my $data = cf::to_json $rmp;
1957 my $md5 = Digest::MD5::md5_hex $data; 2631 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2632 my $meta = "$RANDOMDIR/$md5.meta";
1959 2633
1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961 aio_write $fh, 0, (length $data), $data, 0; 2635 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh; 2636 undef $fh;
1963 aio_rename "$meta~", $meta; 2637 aio_rename "$meta~", $meta;
1983 my $hp = $exit->stats->hp; 2657 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp; 2658 my $sp = $exit->stats->sp;
1985 2659
1986 $self->enter_link; 2660 $self->enter_link;
1987 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
1988 (async { 2666 (async {
2667 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2668
1989 $self->deactivate_recursive; # just to be sure 2669 $self->deactivate_recursive; # just to be sure
1990 unless (eval { 2670 unless (eval {
1991 $self->goto ($slaying, $hp, $sp); 2671 $self->goto ($slaying, $hp, $sp);
1992 2672
1993 1; 2673 1;
2019 2699
2020 utf8::encode $text; 2700 utf8::encode $text;
2021 $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);
2022} 2702}
2023 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
2024=item $client->ext_event ($type, %msg) 2828=item $client->ext_msg ($type, @msg)
2025 2829
2026Sends an exti event to the client. 2830Sends an ext event to the client.
2027 2831
2028=cut 2832=cut
2029 2833
2030sub cf::client::ext_event($$%) { 2834sub cf::client::ext_msg($$@) {
2031 my ($self, $type, %msg) = @_; 2835 my ($self, $type, @msg) = @_;
2032 2836
2837 if ($self->extcmd == 2) {
2838 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839 } elsif ($self->extcmd == 1) { # TODO: remove
2033 $msg{msgtype} = "event_$type"; 2840 push @msg, msgtype => "event_$type";
2034 $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 }
2035} 2861}
2036 2862
2037=item $success = $client->query ($flags, "text", \&cb) 2863=item $success = $client->query ($flags, "text", \&cb)
2038 2864
2039Queues a query to the client, calling the given callback with 2865Queues a query to the client, calling the given callback with
2040the 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>,
2041C<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>.
2042 2868
2043Queries 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
2044reliable at some point in the future. 2870become reliable at some point in the future.
2045 2871
2046=cut 2872=cut
2047 2873
2048sub cf::client::query { 2874sub cf::client::query {
2049 my ($self, $flags, $text, $cb) = @_; 2875 my ($self, $flags, $text, $cb) = @_;
2057 utf8::encode $text; 2883 utf8::encode $text;
2058 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2884 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059 2885
2060 $self->send_packet ($self->{query_queue}[0][0]) 2886 $self->send_packet ($self->{query_queue}[0][0])
2061 if @{ $self->{query_queue} } == 1; 2887 if @{ $self->{query_queue} } == 1;
2888
2889 1
2062} 2890}
2063 2891
2064cf::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 },
2065 on_reply => sub { 2898 on_reply => sub {
2066 my ($ns, $msg) = @_; 2899 my ($ns, $msg) = @_;
2067 2900
2068 # this weird shuffling is so that direct followup queries 2901 # this weird shuffling is so that direct followup queries
2069 # get handled first 2902 # get handled first
2081 } else { 2914 } else {
2082 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2915 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083 } 2916 }
2084 } 2917 }
2085 }, 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 },
2086); 2945);
2087 2946
2088=item $client->async (\&cb) 2947=item $client->async (\&cb)
2089 2948
2090Create a new coroutine, running the specified callback. The coroutine will 2949Create a new coroutine, running the specified callback. The coroutine will
2131our $safe = new Safe "safe"; 2990our $safe = new Safe "safe";
2132our $safe_hole = new Safe::Hole; 2991our $safe_hole = new Safe::Hole;
2133 2992
2134$SIG{FPE} = 'IGNORE'; 2993$SIG{FPE} = 'IGNORE';
2135 2994
2136$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));
2137 3000
2138# here we export the classes and methods available to script code 3001# here we export the classes and methods available to script code
2139 3002
2140=pod 3003=pod
2141 3004
2142The following functions and methods are available within a safe environment: 3005The following functions and methods are available within a safe environment:
2143 3006
2144 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
2145 cf::object::player player 3011 cf::object::player
2146 cf::player peaceful 3012 player
2147 cf::map trigger 3013
3014 cf::player
3015 peaceful
3016
3017 cf::map
3018 trigger
2148 3019
2149=cut 3020=cut
2150 3021
2151for ( 3022for (
2152 ["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)],
2153 ["cf::object::player" => qw(player)], 3026 ["cf::object::player" => qw(player)],
2154 ["cf::player" => qw(peaceful)], 3027 ["cf::player" => qw(peaceful)],
2155 ["cf::map" => qw(trigger)], 3028 ["cf::map" => qw(trigger)],
2156) { 3029) {
2157 no strict 'refs'; 3030 no strict 'refs';
2228=back 3101=back
2229 3102
2230=cut 3103=cut
2231 3104
2232############################################################################# 3105#############################################################################
2233
2234=head2 EXTENSION DATABASE SUPPORT
2235
2236Crossfire maintains a very simple database for extension use. It can
2237currently store anything that can be serialised using Storable, which
2238excludes objects.
2239
2240The parameter C<$family> should best start with the name of the extension
2241using it, it should be unique.
2242
2243=over 4
2244
2245=item $value = cf::db_get $family => $key
2246
2247Returns a single value from the database.
2248
2249=item cf::db_put $family => $key => $value
2250
2251Stores the given C<$value> in the family.
2252
2253=cut
2254
2255our $DB;
2256
2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2276
2277 cf::db_put (board => data => $pst->{board});
2278 cf::db_put (guildrules => data => $pst->{guildrules});
2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282 unlink $path;
2283 };
2284 }
2285 }
2286}
2287
2288sub db_get($$) {
2289 my $key = "$_[0]/$_[1]";
2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2299sub db_put($$$) {
2300 BDB::dbreq_pri 4;
2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions 3106# the server's init and main functions
2306 3107
2307sub load_facedata { 3108sub load_facedata($) {
2308 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;
2309 3116
2310 warn "loading facedata from $path\n"; 3117 warn "loading facedata from $path\n";
2311 3118
2312 my $facedata; 3119 my $facedata;
2313 0 < aio_load $path, $facedata 3120 0 < aio_load $path, $facedata
2314 or die "$path: $!"; 3121 or die "$path: $!";
2315 3122
2316 Coro::cede;
2317 $facedata = Storable::thaw $facedata; 3123 $facedata = Coro::Storable::thaw $facedata;
2318 Coro::cede;
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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