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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.395 by root, Sat Nov 10 22:41:59 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.
133 154
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.
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/deliantra-server/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];
967 1358
968 (playerdir $login) . "/$login.pl" 1359 (playerdir $login) . "/playerdata"
969} 1360}
970 1361
971sub find_active($) { 1362sub find_active($) {
972 $cf::PLAYER{$_[0]} 1363 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1364 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1377 my $login = $_[0];
987 1378
988 my $guard = cf::lock_acquire "user_find:$login"; 1379 my $guard = cf::lock_acquire "user_find:$login";
989 1380
990 $cf::PLAYER{$_[0]} || do { 1381 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login 1382 # rename old playerfiles to new ones
1383 #TODO: remove when no longer required
1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1387 aio_unlink +(playerdir $login) . "/$login.pl";
1388
1389 my $f = new_from_file cf::object::thawer path $login
992 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;
993 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
994 } 1397 }
995 } 1398 }
996} 1399}
997 1400
1007 1410
1008 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1010 1413
1011 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1012 Coro::cede; 1415 cf::cede_to_tick;
1013} 1416}
1014 1417
1015sub new($) { 1418sub new($) {
1016 my ($login) = @_; 1419 my ($login) = @_;
1017 1420
1021 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1022 1425
1023 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1024 1427
1025 $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 (@_);
1026} 1439}
1027 1440
1028=item $pl->quit_character 1441=item $pl->quit_character
1029 1442
1030Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1080 1493
1081=cut 1494=cut
1082 1495
1083sub list_logins { 1496sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1498 or return [];
1086 1499
1087 my @logins; 1500 my @logins;
1088 1501
1089 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") {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1093 1511
1094 utf8::decode $login; 1512 utf8::decode $login;
1095 push @logins, $login; 1513 push @logins, $login;
1096 } 1514 }
1097 1515
1124 } 1542 }
1125 1543
1126 \@paths 1544 \@paths
1127} 1545}
1128 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
1129=item $player->ext_reply ($msgid, %msg) 1640=item $player->ext_reply ($msgid, @msg)
1130 1641
1131Sends an ext reply to the player. 1642Sends an ext reply to the player.
1132 1643
1133=cut 1644=cut
1134 1645
1135sub ext_reply($$%) { 1646sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1647 my ($self, $id, @msg) = @_;
1137 1648
1138 $msg{msgid} = $id; 1649 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1650}
1142 1651
1143=item $player->ext_event ($type, %msg) 1652=item $player->ext_msg ($type, @msg)
1144 1653
1145Sends an ext event to the client. 1654Sends an ext event to the client.
1146 1655
1147=cut 1656=cut
1148 1657
1149sub ext_event($$%) { 1658sub ext_msg($$@) {
1150 my ($self, $type, %msg) = @_; 1659 my ($self, $type, @msg) = @_;
1151 1660
1152 $self->ns->ext_event ($type, %msg); 1661 $self->ns->ext_msg ($type, @msg);
1153} 1662}
1154 1663
1155package 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 $match
1691}
1156 1692
1157=back 1693=back
1158
1159 1694
1160=head3 cf::map 1695=head3 cf::map
1161 1696
1162=over 4 1697=over 4
1163 1698
1218 my ($self, $merge) = @_; 1753 my ($self, $merge) = @_;
1219 1754
1220 # we have to keep some variables in memory intact 1755 # we have to keep some variables in memory intact
1221 local $self->{path}; 1756 local $self->{path};
1222 local $self->{load_path}; 1757 local $self->{load_path};
1223 local $self->{deny_save};
1224 local $self->{deny_reset};
1225 1758
1226 $self->SUPER::thawer_merge ($merge); 1759 $self->SUPER::thawer_merge ($merge);
1227} 1760}
1228 1761
1229sub normalise { 1762sub normalise {
1276 $self->init; # pass $1 etc. 1809 $self->init; # pass $1 etc.
1277 return $self; 1810 return $self;
1278 } 1811 }
1279 } 1812 }
1280 1813
1281 Carp::carp "unable to resolve path '$path' (base '$base')."; 1814 Carp::cluck "unable to resolve path '$path' (base '$base').";
1282 () 1815 ()
1283} 1816}
1284 1817
1285sub init { 1818sub init {
1286 my ($self) = @_; 1819 my ($self) = @_;
1301 1834
1302# the original (read-only) location 1835# the original (read-only) location
1303sub load_path { 1836sub load_path {
1304 my ($self) = @_; 1837 my ($self) = @_;
1305 1838
1306 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1839 "$MAPDIR/$self->{path}.map"
1307} 1840}
1308 1841
1309# the temporary/swap location 1842# the temporary/swap location
1310sub save_path { 1843sub save_path {
1311 my ($self) = @_; 1844 my ($self) = @_;
1312 1845
1313 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1847 "$TMPDIR/$path.map"
1315} 1848}
1316 1849
1317# the unique path, undef == no special unique path 1850# the unique path, undef == no special unique path
1318sub uniq_path { 1851sub uniq_path {
1319 my ($self) = @_; 1852 my ($self) = @_;
1320 1853
1321 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1855 "$UNIQUEDIR/$path"
1323} 1856}
1324 1857
1325# and all this just because we cannot iterate over 1858# and all this just because we cannot iterate over
1326# all maps in C++... 1859# all maps in C++...
1327sub change_all_map_light { 1860sub change_all_map_light {
1329 1862
1330 $_->change_map_light ($change) 1863 $_->change_map_light ($change)
1331 for grep $_->outdoor, values %cf::MAP; 1864 for grep $_->outdoor, values %cf::MAP;
1332} 1865}
1333 1866
1867sub decay_objects {
1868 my ($self) = @_;
1869
1870 return if $self->{deny_reset};
1871
1872 $self->do_decay_objects;
1873}
1874
1334sub unlink_save { 1875sub unlink_save {
1335 my ($self) = @_; 1876 my ($self) = @_;
1336 1877
1337 utf8::encode (my $save = $self->save_path); 1878 utf8::encode (my $save = $self->save_path);
1338 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1879 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1341 1882
1342sub load_header_from($) { 1883sub load_header_from($) {
1343 my ($self, $path) = @_; 1884 my ($self, $path) = @_;
1344 1885
1345 utf8::encode $path; 1886 utf8::encode $path;
1346 #aio_open $path, O_RDONLY, 0 1887 my $f = new_from_file cf::object::thawer $path
1347 # or return;
1348
1349 $self->_load_header ($path)
1350 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;
1351 1895
1352 $self->{load_path} = $path; 1896 $self->{load_path} = $path;
1353 1897
1354 1 1898 1
1355} 1899}
1394 $self->load_header_orig 1938 $self->load_header_orig
1395 or return; 1939 or return;
1396 $self->prepare_orig; 1940 $self->prepare_orig;
1397 } 1941 }
1398 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 $self->default_region;
1948
1399 1 1949 1
1400} 1950}
1401 1951
1402sub find; 1952sub find;
1403sub find { 1953sub find {
1404 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
1405 1955
1406 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
1407 1957
1958 cf::lock_wait "map_data:$path";#d#remove
1408 cf::lock_wait "map_find:$path"; 1959 cf::lock_wait "map_find:$path";
1409 1960
1410 $cf::MAP{$path} || do { 1961 $cf::MAP{$path} || do {
1411 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
1412 my $map = new_from_path cf::map $path 1965 my $map = new_from_path cf::map $path
1413 or return; 1966 or return;
1414 1967
1415 $map->{last_save} = $cf::RUNTIME; 1968 $map->{last_save} = $cf::RUNTIME;
1416 1969
1417 $map->load_header 1970 $map->load_header
1418 or return; 1971 or return;
1419 1972
1420 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1973 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421 # doing this can freeze the server in a sync job, obviously 1974 # doing this can freeze the server in a sync job, obviously
1422 #$cf::WAIT_FOR_TICK->wait; 1975 #$cf::WAIT_FOR_TICK->wait;
1976 undef $guard1;
1977 undef $guard2;
1423 $map->reset; 1978 $map->reset;
1424 undef $guard;
1425 return find $path; 1979 return find $path;
1426 } 1980 }
1427 1981
1428 $cf::MAP{$path} = $map 1982 $cf::MAP{$path} = $map
1429 } 1983 }
1436 my ($self) = @_; 1990 my ($self) = @_;
1437 1991
1438 local $self->{deny_reset} = 1; # loading can take a long time 1992 local $self->{deny_reset} = 1; # loading can take a long time
1439 1993
1440 my $path = $self->{path}; 1994 my $path = $self->{path};
1995
1996 {
1441 my $guard = cf::lock_acquire "map_load:$path"; 1997 my $guard = cf::lock_acquire "map_data:$path";
1442 1998
1999 return unless $self->valid;
1443 return if $self->in_memory != cf::MAP_SWAPPED; 2000 return unless $self->in_memory == cf::MAP_SWAPPED;
1444 2001
1445 $self->in_memory (cf::MAP_LOADING); 2002 $self->in_memory (cf::MAP_LOADING);
1446 2003
1447 $self->alloc; 2004 $self->alloc;
1448 2005
1449 $self->pre_load; 2006 $self->pre_load;
2007 cf::cede_to_tick;
1450 2008
1451 $self->_load_objects ($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)
1452 or return; 2012 or return;
1453 2013
1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2014 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455 if delete $self->{load_original}; 2015 if delete $self->{load_original};
1456 2016
1457 if (my $uniq = $self->uniq_path) { 2017 if (my $uniq = $self->uniq_path) {
1458 utf8::encode $uniq; 2018 utf8::encode $uniq;
1459 if (aio_open $uniq, O_RDONLY, 0) { 2019 unless (aio_stat $uniq) {
2020 if (my $f = new_from_file cf::object::thawer $uniq) {
1460 $self->clear_unique_items; 2021 $self->clear_unique_items;
1461 $self->_load_objects ($uniq, 0); 2022 $self->_load_objects ($f);
2023 $f->resolve_delayed_derefs;
2024 }
1462 } 2025 }
1463 } 2026 }
1464 2027
1465 Coro::cede; 2028 $f->resolve_delayed_derefs;
1466 2029
2030 cf::cede_to_tick;
1467 # now do the right thing for maps 2031 # now do the right thing for maps
1468 $self->link_multipart_objects; 2032 $self->link_multipart_objects;
1469
1470 unless ($self->{deny_activate}) {
1471 $self->decay_objects;
1472 $self->fix_auto_apply;
1473 $self->update_buttons;
1474 Coro::cede;
1475 $self->set_darkness_map;
1476 $self->difficulty ($self->estimate_difficulty) 2033 $self->difficulty ($self->estimate_difficulty)
1477 unless $self->difficulty; 2034 unless $self->difficulty;
1478 Coro::cede; 2035 cf::cede_to_tick;
2036
2037 unless ($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;
1479 $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);
1480 } 2051 }
1481 2052
1482 $self->post_load; 2053 $self->post_load;
1483
1484 $self->in_memory (cf::MAP_IN_MEMORY);
1485} 2054}
1486 2055
1487sub customise_for { 2056sub customise_for {
1488 my ($self, $ob) = @_; 2057 my ($self, $ob) = @_;
1489 2058
1490 return find "~" . $ob->name . "/" . $self->{path} 2059 return find "~" . $ob->name . "/" . $self->{path}
1491 if $self->per_player; 2060 if $self->per_player;
1492 2061
2062# return find "?party/" . $ob->name . "/" . $self->{path}
2063# if $self->per_party;
2064
1493 $self 2065 $self
1494} 2066}
1495 2067
1496# find and load all maps in the 3x3 area around a map 2068# find and load all maps in the 3x3 area around a map
1497sub load_diag { 2069sub load_neighbours {
1498 my ($map) = @_; 2070 my ($map) = @_;
1499 2071
1500 my @diag; # diagonal neighbours 2072 my @neigh; # diagonal neighbours
1501 2073
1502 for (0 .. 3) { 2074 for (0 .. 3) {
1503 my $neigh = $map->tile_path ($_) 2075 my $neigh = $map->tile_path ($_)
1504 or next; 2076 or next;
1505 $neigh = find $neigh, $map 2077 $neigh = find $neigh, $map
1506 or next; 2078 or next;
1507 $neigh->load; 2079 $neigh->load;
1508 2080
2081 push @neigh,
1509 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2082 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1510 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2083 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1511 } 2084 }
1512 2085
1513 for (@diag) { 2086 for (grep defined $_->[0], @neigh) {
2087 my ($path, $origin) = @$_;
1514 my $neigh = find @$_ 2088 my $neigh = find $path, $origin
1515 or next; 2089 or next;
1516 $neigh->load; 2090 $neigh->load;
1517 } 2091 }
1518} 2092}
1519 2093
1524} 2098}
1525 2099
1526sub do_load_sync { 2100sub do_load_sync {
1527 my ($map) = @_; 2101 my ($map) = @_;
1528 2102
2103 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2104 if $Coro::current == $Coro::main;
2105
1529 cf::sync_job { $map->load }; 2106 cf::sync_job { $map->load };
1530} 2107}
1531 2108
1532our %MAP_PREFETCH; 2109our %MAP_PREFETCH;
1533our $MAP_PREFETCHER = undef; 2110our $MAP_PREFETCHER = undef;
1534 2111
1535sub find_async { 2112sub find_async {
1536 my ($path, $origin) = @_; 2113 my ($path, $origin, $load) = @_;
1537 2114
1538 $path = normalise $path, $origin && $origin->{path}; 2115 $path = normalise $path, $origin && $origin->{path};
1539 2116
1540 if (my $map = $cf::MAP{$path}) { 2117 if (my $map = $cf::MAP{$path}) {
1541 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2118 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542 } 2119 }
1543 2120
1544 undef $MAP_PREFETCH{$path}; 2121 $MAP_PREFETCH{$path} |= $load;
2122
1545 $MAP_PREFETCHER ||= cf::async { 2123 $MAP_PREFETCHER ||= cf::async {
2124 $Coro::current->{desc} = "map prefetcher";
2125
1546 while (%MAP_PREFETCH) { 2126 while (%MAP_PREFETCH) {
1547 for my $path (keys %MAP_PREFETCH) { 2127 while (my ($k, $v) = each %MAP_PREFETCH) {
1548 my $map = find $path 2128 if (my $map = find $k) {
1549 or next;
1550 $map->load; 2129 $map->load if $v;
2130 }
1551 2131
1552 delete $MAP_PREFETCH{$path}; 2132 delete $MAP_PREFETCH{$k};
1553 } 2133 }
1554 } 2134 }
1555 undef $MAP_PREFETCHER; 2135 undef $MAP_PREFETCHER;
1556 }; 2136 };
1557 $MAP_PREFETCHER->prio (6); 2137 $MAP_PREFETCHER->prio (6);
1560} 2140}
1561 2141
1562sub save { 2142sub save {
1563 my ($self) = @_; 2143 my ($self) = @_;
1564 2144
1565 my $lock = cf::lock_acquire "map_data:" . $self->path; 2145 my $lock = cf::lock_acquire "map_data:$self->{path}";
1566 2146
1567 $self->{last_save} = $cf::RUNTIME; 2147 $self->{last_save} = $cf::RUNTIME;
1568 2148
1569 return unless $self->dirty; 2149 return unless $self->dirty;
1570 2150
1576 return if $self->{deny_save}; 2156 return if $self->{deny_save};
1577 2157
1578 local $self->{last_access} = $self->last_access;#d# 2158 local $self->{last_access} = $self->last_access;#d#
1579 2159
1580 cf::async { 2160 cf::async {
2161 $Coro::current->{desc} = "map player save";
1581 $_->contr->save for $self->players; 2162 $_->contr->save for $self->players;
1582 }; 2163 };
1583 2164
1584 if ($uniq) { 2165 if ($uniq) {
1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593 my ($self) = @_; 2174 my ($self) = @_;
1594 2175
1595 # save first because save cedes 2176 # save first because save cedes
1596 $self->save; 2177 $self->save;
1597 2178
1598 my $lock = cf::lock_acquire "map_data:" . $self->path; 2179 my $lock = cf::lock_acquire "map_data:$self->{path}";
1599 2180
1600 return if $self->players; 2181 return if $self->players;
1601 return if $self->in_memory != cf::MAP_IN_MEMORY; 2182 return if $self->in_memory != cf::MAP_IN_MEMORY;
1602 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1603 2184
2185 $self->in_memory (cf::MAP_SWAPPED);
2186
2187 $self->deactivate;
2188 $_->clear_links_to ($self) for values %cf::MAP;
1604 $self->clear; 2189 $self->clear;
1605 $self->in_memory (cf::MAP_SWAPPED);
1606} 2190}
1607 2191
1608sub reset_at { 2192sub reset_at {
1609 my ($self) = @_; 2193 my ($self) = @_;
1610 2194
1611 # TODO: safety, remove and allow resettable per-player maps 2195 # TODO: safety, remove and allow resettable per-player maps
1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1613 return 1e99 if $self->{deny_reset}; 2196 return 1e99 if $self->{deny_reset};
1614 2197
1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2198 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2199 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617 2200
1628 my ($self) = @_; 2211 my ($self) = @_;
1629 2212
1630 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1631 2214
1632 return if $self->players; 2215 return if $self->players;
1633 return if $self->isa ("ext::map_per_player");#d#
1634 2216
1635 warn "resetting map ", $self->path;#d# 2217 warn "resetting map ", $self->path;
1636 2218
1637 $self->in_memory (cf::MAP_SWAPPED); 2219 $self->in_memory (cf::MAP_SWAPPED);
1638 2220
1639 # need to save uniques path 2221 # need to save uniques path
1640 unless ($self->{deny_save}) { 2222 unless ($self->{deny_save}) {
1644 if $uniq; 2226 if $uniq;
1645 } 2227 }
1646 2228
1647 delete $cf::MAP{$self->path}; 2229 delete $cf::MAP{$self->path};
1648 2230
2231 $self->deactivate;
2232 $_->clear_links_to ($self) for values %cf::MAP;
1649 $self->clear; 2233 $self->clear;
1650
1651 $_->clear_links_to ($self) for values %cf::MAP;
1652 2234
1653 $self->unlink_save; 2235 $self->unlink_save;
1654 $self->destroy; 2236 $self->destroy;
1655} 2237}
1656 2238
1657my $nuke_counter = "aaaa"; 2239my $nuke_counter = "aaaa";
1658 2240
1659sub nuke { 2241sub nuke {
1660 my ($self) = @_; 2242 my ($self) = @_;
1661 2243
2244 {
2245 my $lock = cf::lock_acquire "map_data:$self->{path}";
2246
1662 delete $cf::MAP{$self->path}; 2247 delete $cf::MAP{$self->path};
1663 2248
1664 $self->unlink_save; 2249 $self->unlink_save;
1665 2250
1666 bless $self, "cf::map"; 2251 bless $self, "cf::map";
1667 delete $self->{deny_reset}; 2252 delete $self->{deny_reset};
1668 $self->{deny_save} = 1; 2253 $self->{deny_save} = 1;
1669 $self->reset_timeout (1); 2254 $self->reset_timeout (1);
1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2255 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671 2256
1672 $cf::MAP{$self->path} = $self; 2257 $cf::MAP{$self->path} = $self;
2258 }
1673 2259
1674 $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 ]
1675} 2297}
1676 2298
1677=item cf::map::unique_maps 2299=item cf::map::unique_maps
1678 2300
1679Returns an arrayref of paths of all shared maps that have 2301Returns an arrayref of paths of all shared maps that have
1680instantiated unique items. May block. 2302instantiated unique items. May block.
1681 2303
1682=cut 2304=cut
1683 2305
1684sub unique_maps() { 2306sub unique_maps() {
1685 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2307 [
1686 or return; 2308 map {
1687
1688 my @paths;
1689
1690 for (@$files) {
1691 utf8::decode $_; 2309 utf8::decode $_;
1692 next if /\.pst$/; 2310 /\.map$/
1693 next unless /^$PATH_SEP/o; 2311 ? normalise $_
1694 2312 : ()
1695 push @paths, cf::map::normalise $_; 2313 } @{ aio_readdir $UNIQUEDIR or [] }
1696 } 2314 ]
1697
1698 \@paths
1699} 2315}
1700 2316
1701package cf; 2317package cf;
1702 2318
1703=back 2319=back
1721 map { $_, inv_recursive_ $_->inv } @_ 2337 map { $_, inv_recursive_ $_->inv } @_
1722} 2338}
1723 2339
1724sub inv_recursive { 2340sub inv_recursive {
1725 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 }
1726} 2370}
1727 2371
1728package cf; 2372package cf;
1729 2373
1730=back 2374=back
1749 2393
1750 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2394 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751 2395
1752 if ($self->{record_replies}) { 2396 if ($self->{record_replies}) {
1753 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2397 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2398
1754 } 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 {
1755 $msg = $npc->name . " says: $msg" if $npc; 2407 $msg = $npc->name . " says: $msg" if $npc;
1756 $self->message ($msg, $flags); 2408 $self->message ($msg, $flags);
2409 }
1757 } 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 (@_);
1758} 2421}
1759 2422
1760=item $player_object->may ("access") 2423=item $player_object->may ("access")
1761 2424
1762Returns wether the given player is authorized to access resource "access" 2425Returns wether the given player is authorized to access resource "access"
1809 $self->deactivate_recursive; 2472 $self->deactivate_recursive;
1810 2473
1811 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2474 return if UNIVERSAL::isa $self->map, "ext::map_link";
1812 2475
1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2476 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814 if $self->map; 2477 if $self->map && $self->map->{path} ne "{link}";
1815 2478
1816 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2479 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1817} 2480}
1818 2481
1819sub cf::object::player::leave_link { 2482sub cf::object::player::leave_link {
1820 my ($self, $map, $x, $y) = @_; 2483 my ($self, $map, $x, $y) = @_;
2484
2485 return unless $self->contr->active;
1821 2486
1822 my $link_pos = delete $self->{_link_pos}; 2487 my $link_pos = delete $self->{_link_pos};
1823 2488
1824 unless ($map) { 2489 unless ($map) {
1825 # restore original map position 2490 # restore original map position
1839 # use -1 or undef as default coordinates, not 0, 0 2504 # use -1 or undef as default coordinates, not 0, 0
1840 ($x, $y) = ($map->enter_x, $map->enter_y) 2505 ($x, $y) = ($map->enter_x, $map->enter_y)
1841 if $x <=0 && $y <= 0; 2506 if $x <=0 && $y <= 0;
1842 2507
1843 $map->load; 2508 $map->load;
1844 $map->load_diag; 2509 $map->load_neighbours;
1845 2510
1846 return unless $self->contr->active; 2511 return unless $self->contr->active;
1847 $self->activate_recursive; 2512 $self->activate_recursive;
1848 2513
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2514 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850 $self->enter_map ($map, $x, $y); 2515 $self->enter_map ($map, $x, $y);
1851} 2516}
1852 2517
1853cf::player->attach ( 2518=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854 on_logout => sub {
1855 my ($pl) = @_;
1856 2519
1857 # abort map switching before logout 2520Moves the player to the given map-path and coordinates by first freezing
1858 if ($pl->ob->{_link_pos}) { 2521her, loading and preparing them map, calling the provided $check callback
1859 cf::sync_job { 2522that has to return the map if sucecssful, and then unfreezes the player on
1860 $pl->ob->leave_link 2523the new (success) or old (failed) map position. In either case, $done will
1861 }; 2524be called at the end of this process.
1862 }
1863 },
1864 on_login => sub {
1865 my ($pl) = @_;
1866 2525
1867 # try to abort aborted map switching on player login :)
1868 # should happen only on crashes
1869 if ($pl->ob->{_link_pos}) {
1870 $pl->ob->enter_link;
1871 (async {
1872 $pl->ob->reply (undef,
1873 "There was an internal problem at your last logout, "
1874 . "the server will try to bring you to your intended destination in a second.",
1875 cf::NDI_RED);
1876 # we need this sleep as the login has a concurrent enter_exit running
1877 # and this sleep increases chances of the player not ending up in scorn
1878 Coro::Timer::sleep 1;
1879 $pl->ob->leave_link;
1880 })->prio (2);
1881 }
1882 },
1883);
1884
1885=item $player_object->goto ($path, $x, $y)
1886
1887=cut 2526=cut
2527
2528our $GOTOGEN;
1888 2529
1889sub cf::object::player::goto { 2530sub cf::object::player::goto {
1890 my ($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;
1891 2535
1892 $self->enter_link; 2536 $self->enter_link;
1893 2537
1894 (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
1895 my $map = eval { 2560 my $map = eval {
1896 my $map = cf::map::find $path; 2561 my $map = defined $path ? cf::map::find $path : undef;
2562
2563 if ($map) {
1897 $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
1898 $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 $@;
1899 } or 2576 }
1900 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901 2577
2578 if ($gen == $self->{_goto_generation}) {
2579 delete $self->{_goto_generation};
1902 $self->leave_link ($map, $x, $y); 2580 $self->leave_link ($map, $x, $y);
2581 }
2582
2583 $done->() if $done;
1903 })->prio (1); 2584 })->prio (1);
1904} 2585}
1905 2586
1906=item $player_object->enter_exit ($exit_object) 2587=item $player_object->enter_exit ($exit_object)
1907 2588
1946 2627
1947 $rmp->{random_seed} ||= $exit->random_seed; 2628 $rmp->{random_seed} ||= $exit->random_seed;
1948 2629
1949 my $data = cf::to_json $rmp; 2630 my $data = cf::to_json $rmp;
1950 my $md5 = Digest::MD5::md5_hex $data; 2631 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2632 my $meta = "$RANDOMDIR/$md5.meta";
1952 2633
1953 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954 aio_write $fh, 0, (length $data), $data, 0; 2635 aio_write $fh, 0, (length $data), $data, 0;
1955 undef $fh; 2636 undef $fh;
1956 aio_rename "$meta~", $meta; 2637 aio_rename "$meta~", $meta;
1976 my $hp = $exit->stats->hp; 2657 my $hp = $exit->stats->hp;
1977 my $sp = $exit->stats->sp; 2658 my $sp = $exit->stats->sp;
1978 2659
1979 $self->enter_link; 2660 $self->enter_link;
1980 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
1981 (async { 2666 (async {
2667 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2668
1982 $self->deactivate_recursive; # just to be sure 2669 $self->deactivate_recursive; # just to be sure
1983 unless (eval { 2670 unless (eval {
1984 $self->goto ($slaying, $hp, $sp); 2671 $self->goto ($slaying, $hp, $sp);
1985 2672
1986 1; 2673 1;
2012 2699
2013 utf8::encode $text; 2700 utf8::encode $text;
2014 $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);
2015} 2702}
2016 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
2017=item $client->ext_event ($type, %msg) 2828=item $client->ext_msg ($type, @msg)
2018 2829
2019Sends an exti event to the client. 2830Sends an ext event to the client.
2020 2831
2021=cut 2832=cut
2022 2833
2023sub cf::client::ext_event($$%) { 2834sub cf::client::ext_msg($$@) {
2024 my ($self, $type, %msg) = @_; 2835 my ($self, $type, @msg) = @_;
2025 2836
2837 if ($self->extcmd == 2) {
2838 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839 } elsif ($self->extcmd == 1) { # TODO: remove
2026 $msg{msgtype} = "event_$type"; 2840 push @msg, msgtype => "event_$type";
2027 $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 }
2028} 2861}
2029 2862
2030=item $success = $client->query ($flags, "text", \&cb) 2863=item $success = $client->query ($flags, "text", \&cb)
2031 2864
2032Queues a query to the client, calling the given callback with 2865Queues a query to the client, calling the given callback with
2033the 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>,
2034C<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>.
2035 2868
2036Queries 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
2037reliable at some point in the future. 2870become reliable at some point in the future.
2038 2871
2039=cut 2872=cut
2040 2873
2041sub cf::client::query { 2874sub cf::client::query {
2042 my ($self, $flags, $text, $cb) = @_; 2875 my ($self, $flags, $text, $cb) = @_;
2050 utf8::encode $text; 2883 utf8::encode $text;
2051 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2884 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052 2885
2053 $self->send_packet ($self->{query_queue}[0][0]) 2886 $self->send_packet ($self->{query_queue}[0][0])
2054 if @{ $self->{query_queue} } == 1; 2887 if @{ $self->{query_queue} } == 1;
2888
2889 1
2055} 2890}
2056 2891
2057cf::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 },
2058 on_reply => sub { 2898 on_reply => sub {
2059 my ($ns, $msg) = @_; 2899 my ($ns, $msg) = @_;
2060 2900
2061 # this weird shuffling is so that direct followup queries 2901 # this weird shuffling is so that direct followup queries
2062 # get handled first 2902 # get handled first
2074 } else { 2914 } else {
2075 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2915 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076 } 2916 }
2077 } 2917 }
2078 }, 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 },
2079); 2945);
2080 2946
2081=item $client->async (\&cb) 2947=item $client->async (\&cb)
2082 2948
2083Create a new coroutine, running the specified callback. The coroutine will 2949Create a new coroutine, running the specified callback. The coroutine will
2124our $safe = new Safe "safe"; 2990our $safe = new Safe "safe";
2125our $safe_hole = new Safe::Hole; 2991our $safe_hole = new Safe::Hole;
2126 2992
2127$SIG{FPE} = 'IGNORE'; 2993$SIG{FPE} = 'IGNORE';
2128 2994
2129$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));
2130 3000
2131# here we export the classes and methods available to script code 3001# here we export the classes and methods available to script code
2132 3002
2133=pod 3003=pod
2134 3004
2135The following functions and methods are available within a safe environment: 3005The following functions and methods are available within a safe environment:
2136 3006
2137 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
2138 cf::object::player player 3011 cf::object::player
2139 cf::player peaceful 3012 player
2140 cf::map trigger 3013
3014 cf::player
3015 peaceful
3016
3017 cf::map
3018 trigger
2141 3019
2142=cut 3020=cut
2143 3021
2144for ( 3022for (
2145 ["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)],
2146 ["cf::object::player" => qw(player)], 3026 ["cf::object::player" => qw(player)],
2147 ["cf::player" => qw(peaceful)], 3027 ["cf::player" => qw(peaceful)],
2148 ["cf::map" => qw(trigger)], 3028 ["cf::map" => qw(trigger)],
2149) { 3029) {
2150 no strict 'refs'; 3030 no strict 'refs';
2221=back 3101=back
2222 3102
2223=cut 3103=cut
2224 3104
2225############################################################################# 3105#############################################################################
2226
2227=head2 EXTENSION DATABASE SUPPORT
2228
2229Crossfire maintains a very simple database for extension use. It can
2230currently store anything that can be serialised using Storable, which
2231excludes objects.
2232
2233The parameter C<$family> should best start with the name of the extension
2234using it, it should be unique.
2235
2236=over 4
2237
2238=item $value = cf::db_get $family => $key
2239
2240Returns a single value from the database.
2241
2242=item cf::db_put $family => $key => $value
2243
2244Stores the given C<$value> in the family.
2245
2246=cut
2247
2248our $DB;
2249
2250sub db_init {
2251 unless ($DB) {
2252 $DB = BDB::db_create $DB_ENV;
2253
2254 cf::sync_job {
2255 eval {
2256 $DB->set_flags (BDB::CHKSUM);
2257
2258 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260 cf::cleanup "db_open(db): $!" if $!;
2261 };
2262 cf::cleanup "db_open(db): $@" if $@;
2263 };
2264
2265 my $path = cf::localdir . "/database.pst";
2266 if (stat $path) {
2267 cf::sync_job {
2268 my $pst = Storable::retrieve $path;
2269
2270 cf::db_put (board => data => $pst->{board});
2271 cf::db_put (guildrules => data => $pst->{guildrules});
2272 cf::db_put (rent => balance => $pst->{rent}{balance});
2273 BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275 unlink $path;
2276 };
2277 }
2278 }
2279}
2280
2281sub db_get($$) {
2282 my $key = "$_[0]/$_[1]";
2283
2284 cf::sync_job {
2285 BDB::db_get $DB, undef, $key, my $data;
2286
2287 $! ? ()
2288 : Compress::LZF::sthaw $data
2289 }
2290}
2291
2292sub db_put($$$) {
2293 BDB::dbreq_pri 4;
2294 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295}
2296
2297#############################################################################
2298# the server's init and main functions 3106# the server's init and main functions
2299 3107
2300sub load_facedata { 3108sub load_facedata($) {
2301 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;
2302 3116
2303 warn "loading facedata from $path\n"; 3117 warn "loading facedata from $path\n";
2304 3118
2305 my $faces; 3119 my $facedata;
2306 0 < aio_load $path, $faces 3120 0 < aio_load $path, $facedata
2307 or die "$path: $!"; 3121 or die "$path: $!";
2308 3122
2309 Coro::cede;
2310 $faces = Storable::thaw $faces; 3123 $facedata = Coro::Storable::thaw $facedata;
2311 Coro::cede;
2312 3124
2313 my $meta = delete $faces->{""};
2314 $meta->{version} == 1 3125 $facedata->{version} == 2
2315 or cf::cleanup "$path: version mismatch, cannot proceed."; 3126 or cf::cleanup "$path: version mismatch, cannot proceed.";
2316 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
3135 {
3136 my $faces = $facedata->{faceinfo};
3137
2317 while (my ($face, $info) = each %$faces) { 3138 while (my ($face, $info) = each %$faces) {
2318 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3139 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3140 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap};
2320 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3143 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322 Coro::cede;
2323 }
2324 3144
3145 cf::cede_to_tick;
3146 }
3147
2325 while (my ($face, $info) = each %$faces) { 3148 while (my ($face, $info) = each %$faces) {
2326 next unless $info->{smooth}; 3149 next unless $info->{smooth};
2327 my $idx = cf::face::find $face 3150 my $idx = cf::face::find $face
2328 or next; 3151 or next;
2329 if (my $smooth = cf::face::find $info->{smooth}) { 3152 if (my $smooth = cf::face::find $info->{smooth}) {
2330 cf::face::set_smooth $idx, $smooth; 3153 cf::face::set_smooth $idx, $smooth;
3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331 } else { 3155 } else {
2332 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3156 warn "smooth face '$info->{smooth}' not found for face '$face'";
2333 } 3157 }
2334 Coro::cede; 3158
3159 cf::cede_to_tick;
3160 }
3161 }
3162
3163 {
3164 my $anims = $facedata->{animinfo};
3165
3166 while (my ($anim, $info) = each %$anims) {
3167 cf::anim::set $anim, $info->{frames}, $info->{facings};
3168 cf::cede_to_tick;
3169 }
3170
3171 cf::anim::invalidate_all; # d'oh
3172 }
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 }
2335 } 3221 }
2336 3222
2337 1 3223 1
2338} 3224}
2339 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
2340sub reload_resources { 3268sub reload_resources {
2341 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3269 warn "reloading resource files...\n";
2342 or die "unable to load regions file\n";#d# 3270
3271 reload_regions;
2343 load_facedata 3272 reload_facedata;
2344 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";
2345} 3278}
2346 3279
2347sub init { 3280sub init {
2348 reload_resources; 3281 reload_resources;
2349} 3282}
2350 3283
2351sub cfg_load { 3284sub reload_config {
2352 open my $fh, "<:utf8", cf::confdir . "/config" 3285 open my $fh, "<:utf8", "$CONFDIR/config"
2353 or return; 3286 or return;
2354 3287
2355 local $/; 3288 local $/;
2356 *CFG = YAML::Syck::Load <$fh>; 3289 *CFG = YAML::Syck::Load <$fh>;
2357 3290
2372sub main { 3305sub main {
2373 # we must not ever block the main coroutine 3306 # we must not ever block the main coroutine
2374 local $Coro::idle = sub { 3307 local $Coro::idle = sub {
2375 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#
2376 (async { 3309 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER";
2377 Event::one_event; 3311 Event::one_event;
2378 })->prio (Coro::PRIO_MAX); 3312 })->prio (Coro::PRIO_MAX);
2379 }; 3313 };
2380 3314
2381 cfg_load; 3315 reload_config;
2382 db_init; 3316 db_init;
2383 load_extensions; 3317 load_extensions;
2384 3318
2385 $TICK_WATCHER->start; 3319 $TICK_WATCHER->start;
2386 Event::loop; 3320 Event::loop;
2402 }, 3336 },
2403 ); 3337 );
2404 } 3338 }
2405} 3339}
2406 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
2407sub emergency_save() { 3379sub emergency_save() {
2408 my $freeze_guard = cf::freeze_mainloop; 3380 my $freeze_guard = cf::freeze_mainloop;
2409 3381
2410 warn "enter emergency perl save\n"; 3382 warn "enter emergency perl save\n";
2411 3383
2415 # and maps saved/destroyed asynchronously. 3387 # and maps saved/destroyed asynchronously.
2416 warn "begin emergency player save\n"; 3388 warn "begin emergency player save\n";
2417 for my $login (keys %cf::PLAYER) { 3389 for my $login (keys %cf::PLAYER) {
2418 my $pl = $cf::PLAYER{$login} or next; 3390 my $pl = $cf::PLAYER{$login} or next;
2419 $pl->valid or next; 3391 $pl->valid or next;
3392 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2420 $pl->save; 3393 $pl->save;
2421 } 3394 }
2422 warn "end emergency player save\n"; 3395 warn "end emergency player save\n";
2423 3396
2424 warn "begin emergency map save\n"; 3397 warn "begin emergency map save\n";
2442 3415
2443 warn Carp::longmess "post_cleanup backtrace" 3416 warn Carp::longmess "post_cleanup backtrace"
2444 if $make_core; 3417 if $make_core;
2445} 3418}
2446 3419
2447sub reload() { 3420sub do_reload_perl() {
2448 # can/must only be called in main 3421 # can/must only be called in main
2449 if ($Coro::current != $Coro::main) { 3422 if ($Coro::current != $Coro::main) {
2450 warn "can only reload from main coroutine"; 3423 warn "can only reload from main coroutine";
2451 return; 3424 return;
2452 } 3425 }
2472 3445
2473 warn "flushing outstanding aio requests"; 3446 warn "flushing outstanding aio requests";
2474 for (;;) { 3447 for (;;) {
2475 BDB::flush; 3448 BDB::flush;
2476 IO::AIO::flush; 3449 IO::AIO::flush;
2477 Coro::cede; 3450 Coro::cede_notself;
2478 last unless IO::AIO::nreqs || BDB::nreqs; 3451 last unless IO::AIO::nreqs || BDB::nreqs;
2479 warn "iterate..."; 3452 warn "iterate...";
2480 } 3453 }
2481 3454
2482 ++$RELOAD; 3455 ++$RELOAD;
2486 %EXT_CORO = (); 3459 %EXT_CORO = ();
2487 3460
2488 warn "removing commands"; 3461 warn "removing commands";
2489 %COMMAND = (); 3462 %COMMAND = ();
2490 3463
2491 warn "removing ext commands"; 3464 warn "removing ext/exti commands";
2492 %EXTCMD = (); 3465 %EXTCMD = ();
3466 %EXTICMD = ();
2493 3467
2494 warn "unloading/nuking all extensions"; 3468 warn "unloading/nuking all extensions";
2495 for my $pkg (@EXTS) { 3469 for my $pkg (@EXTS) {
2496 warn "... unloading $pkg"; 3470 warn "... unloading $pkg";
2497 3471
2527 Symbol::delete_package "safe::$_" 3501 Symbol::delete_package "safe::$_"
2528 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);
2529 3503
2530 warn "unloading cf.pm \"a bit\""; 3504 warn "unloading cf.pm \"a bit\"";
2531 delete $INC{"cf.pm"}; 3505 delete $INC{"cf.pm"};
3506 delete $INC{"cf/pod.pm"};
2532 3507
2533 # don't, removes xs symbols, too, 3508 # don't, removes xs symbols, too,
2534 # and global variables created in xs 3509 # and global variables created in xs
2535 #Symbol::delete_package __PACKAGE__; 3510 #Symbol::delete_package __PACKAGE__;
2536 3511
2539 warn "reloading cf.pm"; 3514 warn "reloading cf.pm";
2540 require cf; 3515 require cf;
2541 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3516 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542 3517
2543 warn "loading config and database again"; 3518 warn "loading config and database again";
2544 cf::cfg_load; 3519 cf::reload_config;
2545 3520
2546 warn "loading extensions"; 3521 warn "loading extensions";
2547 cf::load_extensions; 3522 cf::load_extensions;
2548 3523
2549 warn "reattaching attachments to objects/players"; 3524 warn "reattaching attachments to objects/players";
2551 warn "reattaching attachments to maps"; 3526 warn "reattaching attachments to maps";
2552 reattach $_ for values %MAP; 3527 reattach $_ for values %MAP;
2553 warn "reattaching attachments to players"; 3528 warn "reattaching attachments to players";
2554 reattach $_ for values %PLAYER; 3529 reattach $_ for values %PLAYER;
2555 3530
2556 warn "loading reloadable resources";
2557 reload_resources;
2558
2559 warn "leaving sync_job"; 3531 warn "leaving sync_job";
2560 3532
2561 1 3533 1
2562 } or do { 3534 } or do {
2563 warn $@; 3535 warn $@;
2568 warn "reloaded"; 3540 warn "reloaded";
2569}; 3541};
2570 3542
2571our $RELOAD_WATCHER; # used only during reload 3543our $RELOAD_WATCHER; # used only during reload
2572 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
2573register_command "reload" => sub { 3560register_command "reload" => sub {
2574 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
2575 3562
2576 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
2577 $who->message ("reloading server."); 3564 $who->message ("reloading server.");
2578 3565 async {
2579 # doing reload synchronously and two reloads happen back-to-back, 3566 $Coro::current->{desc} = "perl_reload";
2580 # coro crashes during coro_state_free->destroy here.
2581
2582 $RELOAD_WATCHER ||= Event->timer (
2583 reentrant => 0,
2584 after => 0,
2585 data => WF_AUTOCANCEL,
2586 cb => sub {
2587 reload; 3567 reload_perl;
2588 undef $RELOAD_WATCHER;
2589 },
2590 ); 3568 };
2591 } 3569 }
2592}; 3570};
2593 3571
2594unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
2595 3573
2596my $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}
2597 3596
2598$TICK_WATCHER = Event->timer ( 3597$TICK_WATCHER = Event->timer (
2599 reentrant => 0, 3598 reentrant => 0,
2600 parked => 1, 3599 parked => 1,
2601 prio => 0, 3600 prio => 0,
2606 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"
2607 unless ++$bug_warning > 10; 3606 unless ++$bug_warning > 10;
2608 return; 3607 return;
2609 } 3608 }
2610 3609
2611 $NOW = Event::time; 3610 $NOW = $tick_start = Event::time;
2612 3611
2613 cf::server_tick; # one server iteration 3612 cf::server_tick; # one server iteration
3613
2614 $RUNTIME += $TICK; 3614 $RUNTIME += $TICK;
2615 $NEXT_TICK += $TICK; 3615 $NEXT_TICK += $TICK;
2616 3616
2617 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618 $NEXT_RUNTIME_WRITE = $NOW + 10; 3618 $NEXT_RUNTIME_WRITE = $NOW + 10;
2619 Coro::async_pool { 3619 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver";
2620 write_runtime 3621 write_runtime
2621 or warn "ERROR: unable to write runtime file: $!"; 3622 or warn "ERROR: unable to write runtime file: $!";
2622 }; 3623 };
2623 } 3624 }
2624 3625
2625 $WAIT_FOR_TICK->broadcast; 3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2626 $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 }
2627 3632
2628# my $AFTER = Event::time; 3633 $NOW = Event::time;
2629# warn $AFTER - $NOW;#d#
2630 3634
2631 # 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
2632 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3636 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2633 3637
2634 $TICK_WATCHER->at ($NEXT_TICK); 3638 $TICK_WATCHER->at ($NEXT_TICK);
2635 $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;
2636 }, 3645 },
2637); 3646);
2638 3647
2639{ 3648{
3649 BDB::min_parallel 8;
2640 BDB::max_poll_time $TICK * 0.1; 3650 BDB::max_poll_time $TICK * 0.1;
2641 $BDB_POLL_WATCHER = Event->io ( 3651 $BDB_POLL_WATCHER = Event->io (
2642 reentrant => 0, 3652 reentrant => 0,
2643 fd => BDB::poll_fileno, 3653 fd => BDB::poll_fileno,
2644 poll => 'r', 3654 poll => 'r',
2645 prio => 0, 3655 prio => 0,
2646 data => WF_AUTOCANCEL, 3656 data => WF_AUTOCANCEL,
2647 cb => \&BDB::poll_cb, 3657 cb => \&BDB::poll_cb,
2648 ); 3658 );
2649 BDB::min_parallel 8;
2650 3659
2651 BDB::set_sync_prepare { 3660 BDB::set_sync_prepare {
2652 my $status; 3661 my $status;
2653 my $current = $Coro::current; 3662 my $current = $Coro::current;
2654 ( 3663 (
2663 ) 3672 )
2664 }; 3673 };
2665 3674
2666 unless ($DB_ENV) { 3675 unless ($DB_ENV) {
2667 $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);
2668 3681
2669 cf::sync_job { 3682 cf::sync_job {
2670 eval { 3683 eval {
2671 BDB::db_env_open 3684 BDB::db_env_open
2672 $DB_ENV, 3685 $DB_ENV,
2673 $BDB_ENV_DIR, 3686 $BDBDIR,
2674 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
2675 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3688 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676 0666; 3689 0666;
2677 3690
2678 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3691 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681 $DB_ENV->set_lk_detect;
2682 }; 3692 };
2683 3693
2684 cf::cleanup "db_env_open(db): $@" if $@; 3694 cf::cleanup "db_env_open(db): $@" if $@;
2685 }; 3695 };
2686 } 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 );
2687} 3728}
2688 3729
2689{ 3730{
2690 IO::AIO::min_parallel 8; 3731 IO::AIO::min_parallel 8;
2691 3732
2694 $AIO_POLL_WATCHER = Event->io ( 3735 $AIO_POLL_WATCHER = Event->io (
2695 reentrant => 0, 3736 reentrant => 0,
2696 data => WF_AUTOCANCEL, 3737 data => WF_AUTOCANCEL,
2697 fd => IO::AIO::poll_fileno, 3738 fd => IO::AIO::poll_fileno,
2698 poll => 'r', 3739 poll => 'r',
2699 prio => 6, 3740 prio => 0,
2700 cb => \&IO::AIO::poll_cb, 3741 cb => \&IO::AIO::poll_cb,
2701 ); 3742 );
2702} 3743}
2703 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
2704END { cf::emergency_save } 3788END { cf::emergency_save }
2705 3789
27061 37901
2707 3791

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