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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.216 by root, Thu Feb 15 14:30:21 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
31use YAML::Syck ();
24use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 33use Time::HiRes;
27use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
28 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::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
30 42
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
37 47
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
40our %COMMAND = (); 52our %COMMAND = ();
41our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
42 54
43our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
47 60
61our $RELOAD; # number of reloads so far
48our @EVENT; 62our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 63
51our $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(!)
52our $TICK_WATCHER; 77our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 80our $NEXT_TICK;
56our $NOW; 81our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
58 83
59our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 88our $DB_ENV;
61 89
62our %CFG; 90our %CFG;
63 91
64our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 93our $RUNTIME;
66 94
67our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 98
76# 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 ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
79binmode STDOUT; 106binmode STDOUT;
80binmode STDERR; 107binmode STDERR;
81 108
82# read virtual server time, if available 109# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
87} 114}
88 115
89mkdir cf::localdir; 116mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 118
96our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
97 120
98sub cf::map::normalise; 121sub cf::map::normalise;
99 122
110=item $cf::RUNTIME 133=item $cf::RUNTIME
111 134
112The 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
113every server tick. 136every server tick.
114 137
115=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
116 141
117The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 146
120=item $cf::NOW 147=item $cf::NOW
121 148
122The time of the last (current) server tick. 149The time of the last (current) server tick.
123 150
124=item $cf::TICK 151=item $cf::TICK
125 152
126The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
127 164
128=item %cf::CFG 165=item %cf::CFG
129 166
130Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 168from wherever your confdir points to.
132 169
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
134 171
135These 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
136or 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
137processing 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.
138window 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.
139 181
140=back 182=back
141 183
142=cut 184=cut
143 185
144BEGIN { 186BEGIN {
145 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 188 my $msg = join "", @_;
147 utf8::encode $msg;
148 189
149 $msg .= "\n" 190 $msg .= "\n"
150 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151 194
152 LOG llevError, $msg; 195 LOG llevError, $msg;
153 }; 196 };
154} 197}
155 198
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@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';
161@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)
162 206
163# 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
164# within the Safe compartment. 208# within the Safe compartment.
165for my $pkg (qw( 209for my $pkg (qw(
166 cf::global cf::attachable 210 cf::global cf::attachable
174} 218}
175 219
176$Event::DIED = sub { 220$Event::DIED = sub {
177 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
178}; 222};
223
224#############################################################################
179 225
180=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
181 227
182=over 4 228=over 4
183 229
202 $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;
203 $d 249 $d
204 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
205} 251}
206 252
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
210 254
211Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
212 256
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
221 258
222Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
223 260
224=cut 261=cut
225 262
226sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
228 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
229} 266sub from_json ($) { $json_coder->decode ($_[0]) }
230 267
231=item cf::lock_wait $string 268=item cf::lock_wait $string
232 269
233Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
234 271
237Wait 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
238a 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,
239for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
240returned. 277returned.
241 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
242Lock 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
243uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
244 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
245=cut 289=cut
246 290
247our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
248 293
249sub lock_wait($) { 294sub lock_wait($) {
250 my ($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#
251 301
252 # wait for lock, if any 302 # wait for lock, if any
253 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 305 Coro::schedule;
261 311
262 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
263 lock_wait $key; 313 lock_wait $key;
264 314
265 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
266 317
267 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
270 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
271} 329}
272 330
273sub freeze_mainloop { 331sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
275 333
278 }; 336 };
279 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
280 $guard 338 $guard
281} 339}
282 340
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
283=item cf::async { BLOCK } 399=item cf::async { BLOCK }
284 400
285Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
286C<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
287thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
290 406
291BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
292 408
293=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
294 410
295The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
297reentrant. 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.
298 415
299If 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
300the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
301server 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
302fast or be very important. 419fast or be very important.
305 422
306sub sync_job(&) { 423sub sync_job(&) {
307 my ($job) = @_; 424 my ($job) = @_;
308 425
309 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
310 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
312 431
313 # TODO: use suspend/resume instead 432 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 433 # (but this is cancel-safe)
316 435
317 my $busy = 1; 436 my $busy = 1;
318 my @res; 437 my @res;
319 438
320 (async { 439 (async {
440 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 441 @res = eval { $job->() };
322 warn $@ if $@; 442 warn $@ if $@;
323 undef $busy; 443 undef $busy;
324 })->prio (Coro::PRIO_MAX); 444 })->prio (Coro::PRIO_MAX);
325 445
326 while ($busy) { 446 while ($busy) {
327 Coro::cede or Event::one_event; 447 Coro::cede or Event::one_event;
328 } 448 }
449
450 $time = Event::time - $time;
451
452 LOG llevError | logBacktrace, Carp::longmess "long sync job"
453 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455 $tick_start += $time; # do not account sync jobs to server load
329 456
330 wantarray ? @res : $res[0] 457 wantarray ? @res : $res[0]
331 } else { 458 } else {
332 # we are in another coroutine, how wonderful, everything just works 459 # we are in another coroutine, how wonderful, everything just works
333 460
353 $EXT_CORO{$coro+0} = $coro; 480 $EXT_CORO{$coro+0} = $coro;
354 481
355 $coro 482 $coro
356} 483}
357 484
358sub write_runtime { 485=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 486
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 487Executes the given code block with the given arguments in a seperate
362 or return; 488process, returning the results. Everything must be serialisable with
489Coro::Storable. May, of course, block. Note that the executed sub may
490never block itself or use any form of Event handling.
363 491
364 my $value = $cf::RUNTIME + 90 + 10; 492=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 493
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 494sub fork_call(&@) {
369 and return; 495 my ($cb, @args) = @_;
370 496
371 # always fsync - this file is important 497 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 498 # otherwise perl prematurely frees the stuff :/
373 and return; 499 # TODO: investigate and fix (likely this will be rather laborious)
374 500
375 close $fh 501 my @res = Coro::Util::fork_eval {
376 or return; 502 reset_signals;
503 &$cb
504 }, @args;
377 505
378 aio_rename "$runtime~", $runtime 506 wantarray ? @res : $res[-1]
379 and return; 507}
380 508
509=item $value = cf::db_get $family => $key
510
511Returns a single value from the environment database.
512
513=item cf::db_put $family => $key => $value
514
515Stores the given C<$value> in the family. It can currently store binary
516data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
517
518=item $db = cf::db_table "name"
519
520Create and/or open a new database table. The string must not be "db" and must be unique
521within each server.
522
523=cut
524
525sub db_table($) {
526 my ($name) = @_;
527 my $db = BDB::db_create $DB_ENV;
528
529 eval {
530 $db->set_flags (BDB::CHKSUM);
531
532 utf8::encode $name;
533 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
534 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
535 cf::cleanup "db_open(db): $!" if $!;
536 };
537 cf::cleanup "db_open(db): $@" if $@;
538
539 $db
540}
541
542our $DB;
543
544sub db_init {
545 cf::sync_job {
546 $DB ||= db_table "db";
547 };
548}
549
550sub db_get($$) {
551 my $key = "$_[0]/$_[1]";
552
553 cf::sync_job {
554 BDB::db_get $DB, undef, $key, my $data;
555
556 $! ? ()
557 : $data
381 1 558 }
559}
560
561sub db_put($$$) {
562 BDB::dbreq_pri 4;
563 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
564}
565
566=item cf::cache $id => [$paths...], $processversion => $process
567
568Generic caching function that returns the value of the resource $id,
569caching and regenerating as required.
570
571This function can block.
572
573=cut
574
575sub cache {
576 my ($id, $src, $processversion, $process) = @_;
577
578 my $meta =
579 join "\x00",
580 $processversion,
581 map {
582 aio_stat $_
583 and Carp::croak "$_: $!";
584
585 ($_, (stat _)[7,9])
586 } @$src;
587
588 my $dbmeta = db_get cache => "$id/meta";
589 if ($dbmeta ne $meta) {
590 # changed, we may need to process
591
592 my @data;
593 my $md5;
594
595 for (0 .. $#$src) {
596 0 <= aio_load $src->[$_], $data[$_]
597 or Carp::croak "$src->[$_]: $!";
598 }
599
600 # if processing is expensive, check
601 # checksum first
602 if (1) {
603 $md5 =
604 join "\x00",
605 $processversion,
606 map {
607 cf::cede_to_tick;
608 ($src->[$_], Digest::MD5::md5_hex $data[$_])
609 } 0.. $#$src;
610
611
612 my $dbmd5 = db_get cache => "$id/md5";
613 if ($dbmd5 eq $md5) {
614 db_put cache => "$id/meta", $meta;
615
616 return db_get cache => "$id/data";
617 }
618 }
619
620 my $t1 = Time::HiRes::time;
621 my $data = $process->(\@data);
622 my $t2 = Time::HiRes::time;
623
624 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
625
626 db_put cache => "$id/data", $data;
627 db_put cache => "$id/md5" , $md5;
628 db_put cache => "$id/meta", $meta;
629
630 return $data;
631 }
632
633 db_get cache => "$id/data"
634}
635
636=item cf::datalog type => key => value, ...
637
638Log a datalog packet of the given type with the given key-value pairs.
639
640=cut
641
642sub datalog($@) {
643 my ($type, %kv) = @_;
644 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 645}
383 646
384=back 647=back
385 648
386=cut 649=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 656attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 657to it. All such attachable objects support the following methods.
395 658
396In the following description, CLASS can be any of C<global>, C<object> 659In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 660C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 661Crossfire TRT).
399 662
400=over 4 663=over 4
401 664
402=item $attachable->attach ($attachment, key => $value...) 665=item $attachable->attach ($attachment, key => $value...)
403 666
566 $registry = $CB_TYPE[$object_type] ||= []; 829 $registry = $CB_TYPE[$object_type] ||= [];
567 830
568 } elsif ($type eq "subtype") { 831 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 832 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 833 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 834 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 835
573 } elsif ($type eq "package") { 836 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 837 my $pkg = shift @arg;
575 838
576 while (my ($name, $id) = each %cb_id) { 839 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 868 _attach $registry, $klass, @attach;
606 } 869 }
607 870
608 $obj->{$name} = \%arg; 871 $obj->{$name} = \%arg;
609 } else { 872 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 873 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 874 }
612 875
613 $obj->{_attachment}{$name} = undef; 876 $obj->{_attachment}{$name} = undef;
614} 877}
615 878
617 if (ref $_[0]) { 880 if (ref $_[0]) {
618 _object_attach @_; 881 _object_attach @_;
619 } else { 882 } else {
620 _attach shift->_attach_registry, @_; 883 _attach shift->_attach_registry, @_;
621 } 884 }
885 _recalc_want;
622}; 886};
623 887
624# all those should be optimised 888# all those should be optimised
625sub cf::attachable::detach { 889sub cf::attachable::detach {
626 my ($obj, $name) = @_; 890 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 893 delete $obj->{_attachment}{$name};
630 reattach ($obj); 894 reattach ($obj);
631 } else { 895 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 896 Carp::croak "cannot, currently, detach class attachments";
633 } 897 }
898 _recalc_want;
634}; 899};
635 900
636sub cf::attachable::attached { 901sub cf::attachable::attached {
637 my ($obj, $name) = @_; 902 my ($obj, $name) = @_;
638 903
653 "; 918 ";
654 die if $@; 919 die if $@;
655} 920}
656 921
657our $override; 922our $override;
658our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 923our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659 924
660sub override { 925sub override {
661 $override = 1; 926 $override = 1;
662 @invoke_results = (); 927 @INVOKE_RESULTS = (@_);
663} 928}
664 929
665sub do_invoke { 930sub do_invoke {
666 my $event = shift; 931 my $event = shift;
667 my $callbacks = shift; 932 my $callbacks = shift;
668 933
669 @invoke_results = (); 934 @INVOKE_RESULTS = ();
670 935
671 local $override; 936 local $override;
672 937
673 for (@$callbacks) { 938 for (@$callbacks) {
674 eval { &{$_->[1]} }; 939 eval { &{$_->[1]} };
691 956
692Generate an object-specific event with the given arguments. 957Generate an object-specific event with the given arguments.
693 958
694This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 959This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695removed in future versions), and there is no public API to access override 960removed in future versions), and there is no public API to access override
696results (if you must, access C<@cf::invoke_results> directly). 961results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 962
698=back 963=back
699 964
700=cut 965=cut
701 966
702############################################################################# 967#############################################################################
703# object support 968# object support
969#
970
971sub _can_merge {
972 my ($ob1, $ob2) = @_;
973
974 local $Storable::canonical = 1;
975 my $fob1 = Storable::freeze $ob1;
976 my $fob2 = Storable::freeze $ob2;
977
978 $fob1 eq $fob2
979}
704 980
705sub reattach { 981sub reattach {
706 # basically do the same as instantiate, without calling instantiate 982 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 983 my ($obj) = @_;
708 984
755sub object_freezer_save { 1031sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1032 my ($filename, $rdata, $objs) = @_;
757 1033
758 sync_job { 1034 sync_job {
759 if (length $$rdata) { 1035 if (length $$rdata) {
1036 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1037 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1038 $decname, length $$rdata, scalar @$objs;
762 1039
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1040 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1041 chmod SAVE_MODE, $fh;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1042 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1043 aio_fsync $fh if $cf::USE_FSYNC;
785 } 1062 }
786 } else { 1063 } else {
787 aio_unlink $filename; 1064 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1065 aio_unlink "$filename.pst";
789 } 1066 }
790 } 1067 };
791} 1068}
792 1069
793sub object_freezer_as_string { 1070sub object_freezer_as_string {
794 my ($rdata, $objs) = @_; 1071 my ($rdata, $objs) = @_;
795 1072
807 or return; 1084 or return;
808 1085
809 unless (aio_stat "$filename.pst") { 1086 unless (aio_stat "$filename.pst") {
810 (aio_load "$filename.pst", $av) >= 0 1087 (aio_load "$filename.pst", $av) >= 0
811 or return; 1088 or return;
1089
812 $av = eval { (Storable::thaw $av)->{objs} }; 1090 $av = eval { (Storable::thaw $av)->{objs} };
813 } 1091 }
814 1092
1093 utf8::decode (my $decname = $filename);
815 warn sprintf "loading %s (%d)\n", 1094 warn sprintf "loading %s (%d,%d)\n",
816 $filename, length $data, scalar @{$av || []};#d# 1095 $decname, length $data, scalar @{$av || []};
1096
817 return ($data, $av); 1097 ($data, $av)
818} 1098}
1099
1100=head2 COMMAND CALLBACKS
1101
1102=over 4
1103
1104=cut
819 1105
820############################################################################# 1106#############################################################################
821# command handling &c 1107# command handling &c
822 1108
823=item cf::register_command $name => \&callback($ob,$args); 1109=item cf::register_command $name => \&callback($ob,$args);
836 push @{ $COMMAND{$name} }, [$caller, $cb]; 1122 push @{ $COMMAND{$name} }, [$caller, $cb];
837} 1123}
838 1124
839=item cf::register_extcmd $name => \&callback($pl,$packet); 1125=item cf::register_extcmd $name => \&callback($pl,$packet);
840 1126
841Register a callbackf ro execution when the client sends an extcmd packet. 1127Register a callback for execution when the client sends an (synchronous)
1128extcmd packet. Ext commands will be processed in the order they are
1129received by the server, like other user commands. The first argument is
1130the logged-in player. Ext commands can only be processed after a player
1131has logged in successfully.
842 1132
843If the callback returns something, it is sent back as if reply was being 1133If the callback returns something, it is sent back as if reply was being
844called. 1134called.
845 1135
1136=item cf::register_exticmd $name => \&callback($ns,$packet);
1137
1138Register a callback for execution when the client sends an (asynchronous)
1139exticmd packet. Exti commands are processed by the server as soon as they
1140are received, i.e. out of order w.r.t. other commands. The first argument
1141is a client socket. Exti commands can be received anytime, even before
1142log-in.
1143
1144If the callback returns something, it is sent back as if reply was being
1145called.
1146
846=cut 1147=cut
847 1148
848sub register_extcmd { 1149sub register_extcmd {
849 my ($name, $cb) = @_; 1150 my ($name, $cb) = @_;
850 1151
851 $EXTCMD{$name} = $cb; 1152 $EXTCMD{$name} = $cb;
1153}
1154
1155sub register_exticmd {
1156 my ($name, $cb) = @_;
1157
1158 $EXTICMD{$name} = $cb;
852} 1159}
853 1160
854cf::player->attach ( 1161cf::player->attach (
855 on_command => sub { 1162 on_command => sub {
856 my ($pl, $name, $params) = @_; 1163 my ($pl, $name, $params) = @_;
865 cf::override; 1172 cf::override;
866 }, 1173 },
867 on_extcmd => sub { 1174 on_extcmd => sub {
868 my ($pl, $buf) = @_; 1175 my ($pl, $buf) = @_;
869 1176
870 my $msg = eval { from_json $buf }; 1177 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871 1178
872 if (ref $msg) { 1179 if (ref $msg) {
1180 my ($type, $reply, @payload) =
1181 "ARRAY" eq ref $msg
1182 ? @$msg
1183 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1184
1185 my @reply;
1186
873 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1187 if (my $cb = $EXTCMD{$type}) {
874 if (my %reply = $cb->($pl, $msg)) { 1188 @reply = $cb->($pl, @payload);
875 $pl->ext_reply ($msg->{msgid}, %reply);
876 }
877 } 1189 }
1190
1191 $pl->ext_reply ($reply, @reply)
1192 if $reply;
1193
878 } else { 1194 } else {
879 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1195 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880 } 1196 }
881 1197
882 cf::override; 1198 cf::override;
883 }, 1199 },
884); 1200);
885 1201
886sub load_extension {
887 my ($path) = @_;
888
889 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
890 my $base = $1;
891 my $pkg = $1;
892 $pkg =~ s/[^[:word:]]/_/g;
893 $pkg = "ext::$pkg";
894
895 warn "... loading '$path' into '$pkg'\n";
896
897 open my $fh, "<:utf8", $path
898 or die "$path: $!";
899
900 my $source =
901 "package $pkg; use strict; use utf8;\n"
902 . "#line 1 \"$path\"\n{\n"
903 . (do { local $/; <$fh> })
904 . "\n};\n1";
905
906 unless (eval $source) {
907 my $msg = $@ ? "$path: $@\n"
908 : "extension disabled.\n";
909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910 warn $@;
911 warn "mandatory extension failed to load, exiting.\n";
912 exit 1;
913 }
914 die $@;
915 }
916
917 push @EXTS, $pkg;
918}
919
920sub load_extensions { 1202sub load_extensions {
1203 cf::sync_job {
1204 my %todo;
1205
921 for my $ext (<$LIBDIR/*.ext>) { 1206 for my $path (<$LIBDIR/*.ext>) {
922 next unless -r $ext; 1207 next unless -r $path;
923 eval { 1208
924 load_extension $ext; 1209 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1210 my $base = $1;
1211 my $pkg = $1;
1212 $pkg =~ s/[^[:word:]]/_/g;
1213 $pkg = "ext::$pkg";
1214
1215 open my $fh, "<:utf8", $path
1216 or die "$path: $!";
1217
1218 my $source = do { local $/; <$fh> };
1219
1220 my %ext = (
1221 path => $path,
1222 base => $base,
1223 pkg => $pkg,
1224 );
1225
1226 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228
1229 $ext{source} =
1230 "package $pkg; use strict; use utf8;\n"
1231 . "#line 1 \"$path\"\n{\n"
1232 . $source
1233 . "\n};\n1";
1234
1235 $todo{$base} = \%ext;
1236 }
1237
1238 my %done;
1239 while (%todo) {
1240 my $progress;
1241
1242 while (my ($k, $v) = each %todo) {
1243 for (split /,\s*/, $v->{meta}{depends}) {
1244 goto skip
1245 unless exists $done{$_};
1246 }
1247
1248 warn "... loading '$k' into '$v->{pkg}'\n";
1249
1250 unless (eval $v->{source}) {
1251 my $msg = $@ ? "$v->{path}: $@\n"
1252 : "$v->{base}: extension inactive.\n";
1253
1254 if (exists $v->{meta}{mandatory}) {
1255 warn $msg;
1256 warn "mandatory extension failed to load, exiting.\n";
1257 exit 1;
1258 }
1259
1260 warn $msg;
1261 }
1262
1263 $done{$k} = delete $todo{$k};
1264 push @EXTS, $v->{pkg};
1265 $progress = 1;
925 1 1266 }
926 } or warn "$ext not loaded: $@"; 1267
1268 skip:
1269 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1270 unless $progress;
1271 }
927 } 1272 };
928} 1273}
929 1274
930############################################################################# 1275#############################################################################
931 1276
1277=back
1278
932=head2 CORE EXTENSIONS 1279=head2 CORE EXTENSIONS
933 1280
934Functions and methods that extend core crossfire objects. 1281Functions and methods that extend core crossfire objects.
935 1282
936=cut 1283=cut
941 1288
942=head3 cf::player 1289=head3 cf::player
943 1290
944=over 4 1291=over 4
945 1292
1293=item cf::player::num_playing
1294
1295Returns the official number of playing players, as per the Crossfire metaserver rules.
1296
1297=cut
1298
1299sub num_playing {
1300 scalar grep
1301 $_->ob->map
1302 && !$_->hidden
1303 && !$_->ob->flag (cf::FLAG_WIZ),
1304 cf::player::list
1305}
1306
946=item cf::player::find $login 1307=item cf::player::find $login
947 1308
948Returns the given player object, loading it if necessary (might block). 1309Returns the given player object, loading it if necessary (might block).
949 1310
950=cut 1311=cut
951 1312
952sub playerdir($) { 1313sub playerdir($) {
953 cf::localdir 1314 "$PLAYERDIR/"
954 . "/"
955 . cf::playerdir
956 . "/"
957 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1315 . (ref $_[0] ? $_[0]->ob->name : $_[0])
958} 1316}
959 1317
960sub path($) { 1318sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1319 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 1320
963 (playerdir $login) . "/$login.pl" 1321 (playerdir $login) . "/playerdata"
964} 1322}
965 1323
966sub find_active($) { 1324sub find_active($) {
967 $cf::PLAYER{$_[0]} 1325 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 1326 and $cf::PLAYER{$_[0]}->active
981 my $login = $_[0]; 1339 my $login = $_[0];
982 1340
983 my $guard = cf::lock_acquire "user_find:$login"; 1341 my $guard = cf::lock_acquire "user_find:$login";
984 1342
985 $cf::PLAYER{$_[0]} || do { 1343 $cf::PLAYER{$_[0]} || do {
986 my $pl = load_pl path $login 1344 # rename old playerfiles to new ones
1345 #TODO: remove when no longer required
1346 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1347 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1348 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1349 aio_unlink +(playerdir $login) . "/$login.pl";
1350
1351 my $f = new_from_file cf::object::thawer path $login
987 or return; 1352 or return;
1353
1354 my $pl = cf::player::load_pl $f
1355 or return;
1356 local $cf::PLAYER_LOADING{$login} = $pl;
1357 $f->resolve_delayed_derefs;
988 $cf::PLAYER{$login} = $pl 1358 $cf::PLAYER{$login} = $pl
989 } 1359 }
990 } 1360 }
991} 1361}
992 1362
1002 1372
1003 aio_mkdir playerdir $pl, 0770; 1373 aio_mkdir playerdir $pl, 0770;
1004 $pl->{last_save} = $cf::RUNTIME; 1374 $pl->{last_save} = $cf::RUNTIME;
1005 1375
1006 $pl->save_pl ($path); 1376 $pl->save_pl ($path);
1007 Coro::cede; 1377 cf::cede_to_tick;
1008} 1378}
1009 1379
1010sub new($) { 1380sub new($) {
1011 my ($login) = @_; 1381 my ($login) = @_;
1012 1382
1018 $cf::PLAYER{$login} = $self; 1388 $cf::PLAYER{$login} = $self;
1019 1389
1020 $self 1390 $self
1021} 1391}
1022 1392
1393=item $player->send_msg ($channel, $msg, $color, [extra...])
1394
1395=cut
1396
1397sub send_msg {
1398 my $ns = shift->ns
1399 or return;
1400 $ns->send_msg (@_);
1401}
1402
1023=item $pl->quit_character 1403=item $pl->quit_character
1024 1404
1025Nukes the player without looking back. If logged in, the connection will 1405Nukes the player without looking back. If logged in, the connection will
1026be destroyed. May block for a long time. 1406be destroyed. May block for a long time.
1027 1407
1028=cut 1408=cut
1029 1409
1030sub quit_character { 1410sub quit_character {
1031 my ($pl) = @_; 1411 my ($pl) = @_;
1412
1413 my $name = $pl->ob->name;
1032 1414
1033 $pl->{deny_save} = 1; 1415 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir 1416 $pl->password ("*"); # this should lock out the player until we nuked the dir
1035 1417
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1418 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 my $path = playerdir $pl; 1423 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1424 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1425 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1426 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy; 1427 $pl->destroy;
1428
1429 my $prefix = qr<^~\Q$name\E/>;
1430
1431 # nuke player maps
1432 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1433
1046 IO::AIO::aio_rmtree $temp; 1434 IO::AIO::aio_rmtree $temp;
1435}
1436
1437=item $pl->kick
1438
1439Kicks a player out of the game. This destroys the connection.
1440
1441=cut
1442
1443sub kick {
1444 my ($pl, $kicker) = @_;
1445
1446 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1447 $pl->killer ("kicked");
1448 $pl->ns->destroy;
1047} 1449}
1048 1450
1049=item cf::player::list_logins 1451=item cf::player::list_logins
1050 1452
1051Returns am arrayref of all valid playernames in the system, can take a 1453Returns am arrayref of all valid playernames in the system, can take a
1052while and may block, so not sync_job-capable, ever. 1454while and may block, so not sync_job-capable, ever.
1053 1455
1054=cut 1456=cut
1055 1457
1056sub list_logins { 1458sub list_logins {
1057 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1459 my $dirs = aio_readdir $PLAYERDIR
1058 or return []; 1460 or return [];
1059 1461
1060 my @logins; 1462 my @logins;
1061 1463
1062 for my $login (@$dirs) { 1464 for my $login (@$dirs) {
1465 my $path = path $login;
1466
1467 # a .pst is a dead give-away for a valid player
1468 unless (-e "$path.pst") {
1063 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1469 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064 aio_read $fh, 0, 512, my $buf, 0 or next; 1470 aio_read $fh, 0, 512, my $buf, 0 or next;
1065 $buf !~ /^password -------------$/m or next; # official not-valid tag 1471 $buf !~ /^password -------------$/m or next; # official not-valid tag
1472 }
1066 1473
1067 utf8::decode $login; 1474 utf8::decode $login;
1068 push @logins, $login; 1475 push @logins, $login;
1069 } 1476 }
1070 1477
1097 } 1504 }
1098 1505
1099 \@paths 1506 \@paths
1100} 1507}
1101 1508
1509=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1510
1511Expand crossfire pod fragments into protocol xml.
1512
1513=cut
1514
1515sub expand_cfpod {
1516 ((my $self), (local $_)) = @_;
1517
1518 # escape & and <
1519 s/&/&amp;/g;
1520 s/(?<![BIUGHT])</&lt;/g;
1521
1522 # this is buggy, it needs to properly take care of nested <'s
1523
1524 1 while
1525 # replace B<>, I<>, U<> etc.
1526 s/B<([^\>]*)>/<b>$1<\/b>/
1527 || s/I<([^\>]*)>/<i>$1<\/i>/
1528 || s/U<([^\>]*)>/<u>$1<\/u>/
1529 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530 # replace G<male|female> tags
1531 || s{G<([^>|]*)\|([^>]*)>}{
1532 $self->gender ? $2 : $1
1533 }ge
1534 # replace H<hint text>
1535 || s{H<([^\>]*)>}
1536 {
1537 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539 "")
1540 [$self->{hintmode}]
1541 }ge;
1542
1543 # create single paragraphs (very hackish)
1544 s/(?<=\S)\n(?=\w)/ /g;
1545
1546 # compress some whitespace
1547 s/\s+\n/\n/g; # ws line-ends
1548 s/\n\n+/\n/g; # double lines
1549 s/^\n+//; # beginning lines
1550 s/\n+$//; # ending lines
1551
1552 $_
1553}
1554
1555sub hintmode {
1556 $_[0]{hintmode} = $_[1] if @_ > 1;
1557 $_[0]{hintmode}
1558}
1559
1102=item $player->ext_reply ($msgid, $msgtype, %msg) 1560=item $player->ext_reply ($msgid, @msg)
1103 1561
1104Sends an ext reply to the player. 1562Sends an ext reply to the player.
1105 1563
1106=cut 1564=cut
1107 1565
1108sub ext_reply($$$%) { 1566sub ext_reply($$@) {
1109 my ($self, $id, %msg) = @_; 1567 my ($self, $id, @msg) = @_;
1110 1568
1111 $msg{msgid} = $id; 1569 $self->ns->ext_reply ($id, @msg)
1112
1113 $self->send ("ext " . cf::to_json \%msg);
1114} 1570}
1115 1571
1116package cf; 1572=item $player->ext_msg ($type, @msg)
1573
1574Sends an ext event to the client.
1575
1576=cut
1577
1578sub ext_msg($$@) {
1579 my ($self, $type, @msg) = @_;
1580
1581 $self->ns->ext_msg ($type, @msg);
1582}
1583
1584=head3 cf::region
1585
1586=over 4
1587
1588=cut
1589
1590package cf::region;
1591
1592=item cf::region::find_by_path $path
1593
1594Tries to decuce the likely region for a map knowing only its path.
1595
1596=cut
1597
1598sub find_by_path($) {
1599 my ($path) = @_;
1600
1601 my ($match, $specificity);
1602
1603 for my $region (list) {
1604 if ($region->{match} && $path =~ $region->{match}) {
1605 ($match, $specificity) = ($region, $region->specificity)
1606 if $region->specificity > $specificity;
1607 }
1608 }
1609
1610 $match
1611}
1117 1612
1118=back 1613=back
1119
1120 1614
1121=head3 cf::map 1615=head3 cf::map
1122 1616
1123=over 4 1617=over 4
1124 1618
1179 my ($self, $merge) = @_; 1673 my ($self, $merge) = @_;
1180 1674
1181 # we have to keep some variables in memory intact 1675 # we have to keep some variables in memory intact
1182 local $self->{path}; 1676 local $self->{path};
1183 local $self->{load_path}; 1677 local $self->{load_path};
1184 local $self->{deny_save};
1185 local $self->{deny_reset};
1186 1678
1187 $self->SUPER::thawer_merge ($merge); 1679 $self->SUPER::thawer_merge ($merge);
1188} 1680}
1189 1681
1190sub normalise { 1682sub normalise {
1237 $self->init; # pass $1 etc. 1729 $self->init; # pass $1 etc.
1238 return $self; 1730 return $self;
1239 } 1731 }
1240 } 1732 }
1241 1733
1242 Carp::carp "unable to resolve path '$path' (base '$base')."; 1734 Carp::cluck "unable to resolve path '$path' (base '$base').";
1243 () 1735 ()
1244} 1736}
1245 1737
1246sub init { 1738sub init {
1247 my ($self) = @_; 1739 my ($self) = @_;
1262 1754
1263# the original (read-only) location 1755# the original (read-only) location
1264sub load_path { 1756sub load_path {
1265 my ($self) = @_; 1757 my ($self) = @_;
1266 1758
1267 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1759 "$MAPDIR/$self->{path}.map"
1268} 1760}
1269 1761
1270# the temporary/swap location 1762# the temporary/swap location
1271sub save_path { 1763sub save_path {
1272 my ($self) = @_; 1764 my ($self) = @_;
1273 1765
1274 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1766 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1767 "$TMPDIR/$path.map"
1276} 1768}
1277 1769
1278# the unique path, undef == no special unique path 1770# the unique path, undef == no special unique path
1279sub uniq_path { 1771sub uniq_path {
1280 my ($self) = @_; 1772 my ($self) = @_;
1281 1773
1282 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1774 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1775 "$UNIQUEDIR/$path"
1284} 1776}
1285 1777
1286# and all this just because we cannot iterate over 1778# and all this just because we cannot iterate over
1287# all maps in C++... 1779# all maps in C++...
1288sub change_all_map_light { 1780sub change_all_map_light {
1290 1782
1291 $_->change_map_light ($change) 1783 $_->change_map_light ($change)
1292 for grep $_->outdoor, values %cf::MAP; 1784 for grep $_->outdoor, values %cf::MAP;
1293} 1785}
1294 1786
1787sub decay_objects {
1788 my ($self) = @_;
1789
1790 return if $self->{deny_reset};
1791
1792 $self->do_decay_objects;
1793}
1794
1295sub unlink_save { 1795sub unlink_save {
1296 my ($self) = @_; 1796 my ($self) = @_;
1297 1797
1298 utf8::encode (my $save = $self->save_path); 1798 utf8::encode (my $save = $self->save_path);
1299 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1799 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302 1802
1303sub load_header_from($) { 1803sub load_header_from($) {
1304 my ($self, $path) = @_; 1804 my ($self, $path) = @_;
1305 1805
1306 utf8::encode $path; 1806 utf8::encode $path;
1307 #aio_open $path, O_RDONLY, 0 1807 my $f = new_from_file cf::object::thawer $path
1308 # or return;
1309
1310 $self->_load_header ($path)
1311 or return; 1808 or return;
1809
1810 $self->_load_header ($f)
1811 or return;
1812
1813 local $MAP_LOADING{$self->{path}} = $self;
1814 $f->resolve_delayed_derefs;
1312 1815
1313 $self->{load_path} = $path; 1816 $self->{load_path} = $path;
1314 1817
1315 1 1818 1
1316} 1819}
1355 $self->load_header_orig 1858 $self->load_header_orig
1356 or return; 1859 or return;
1357 $self->prepare_orig; 1860 $self->prepare_orig;
1358 } 1861 }
1359 1862
1863 $self->{deny_reset} = 1
1864 if $self->no_reset;
1865
1866 $self->default_region (cf::region::find_by_path $self->{path})
1867 unless $self->default_region;
1868
1360 1 1869 1
1361} 1870}
1362 1871
1363sub find; 1872sub find;
1364sub find { 1873sub find {
1365 my ($path, $origin) = @_; 1874 my ($path, $origin) = @_;
1366 1875
1367 $path = normalise $path, $origin && $origin->path; 1876 $path = normalise $path, $origin && $origin->path;
1368 1877
1878 cf::lock_wait "map_data:$path";#d#remove
1369 cf::lock_wait "map_find:$path"; 1879 cf::lock_wait "map_find:$path";
1370 1880
1371 $cf::MAP{$path} || do { 1881 $cf::MAP{$path} || do {
1372 my $guard = cf::lock_acquire "map_find:$path"; 1882 my $guard1 = cf::lock_acquire "map_find:$path";
1883 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1373 my $map = new_from_path cf::map $path 1885 my $map = new_from_path cf::map $path
1374 or return; 1886 or return;
1375 1887
1376 $map->{last_save} = $cf::RUNTIME; 1888 $map->{last_save} = $cf::RUNTIME;
1377 1889
1378 $map->load_header 1890 $map->load_header
1379 or return; 1891 or return;
1380 1892
1381 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1893 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382 # doing this can freeze the server in a sync job, obviously 1894 # doing this can freeze the server in a sync job, obviously
1383 #$cf::WAIT_FOR_TICK->wait; 1895 #$cf::WAIT_FOR_TICK->wait;
1896 undef $guard1;
1897 undef $guard2;
1384 $map->reset; 1898 $map->reset;
1385 undef $guard;
1386 return find $path; 1899 return find $path;
1387 } 1900 }
1388 1901
1389 $cf::MAP{$path} = $map 1902 $cf::MAP{$path} = $map
1390 } 1903 }
1397 my ($self) = @_; 1910 my ($self) = @_;
1398 1911
1399 local $self->{deny_reset} = 1; # loading can take a long time 1912 local $self->{deny_reset} = 1; # loading can take a long time
1400 1913
1401 my $path = $self->{path}; 1914 my $path = $self->{path};
1915
1916 {
1402 my $guard = cf::lock_acquire "map_load:$path"; 1917 my $guard = cf::lock_acquire "map_data:$path";
1403 1918
1919 return unless $self->valid;
1404 return if $self->in_memory != cf::MAP_SWAPPED; 1920 return unless $self->in_memory == cf::MAP_SWAPPED;
1405 1921
1406 $self->in_memory (cf::MAP_LOADING); 1922 $self->in_memory (cf::MAP_LOADING);
1407 1923
1408 $self->alloc; 1924 $self->alloc;
1409 1925
1410 $self->pre_load; 1926 $self->pre_load;
1927 cf::cede_to_tick;
1411 1928
1412 $self->_load_objects ($self->{load_path}, 1) 1929 my $f = new_from_file cf::object::thawer $self->{load_path};
1930 $f->skip_block;
1931 $self->_load_objects ($f)
1413 or return; 1932 or return;
1414 1933
1415 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1934 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416 if delete $self->{load_original}; 1935 if delete $self->{load_original};
1417 1936
1418 if (my $uniq = $self->uniq_path) { 1937 if (my $uniq = $self->uniq_path) {
1419 utf8::encode $uniq; 1938 utf8::encode $uniq;
1420 if (aio_open $uniq, O_RDONLY, 0) { 1939 unless (aio_stat $uniq) {
1940 if (my $f = new_from_file cf::object::thawer $uniq) {
1421 $self->clear_unique_items; 1941 $self->clear_unique_items;
1422 $self->_load_objects ($uniq, 0); 1942 $self->_load_objects ($f);
1943 $f->resolve_delayed_derefs;
1944 }
1423 } 1945 }
1424 } 1946 }
1425 1947
1426 Coro::cede; 1948 $f->resolve_delayed_derefs;
1427 1949
1950 cf::cede_to_tick;
1428 # now do the right thing for maps 1951 # now do the right thing for maps
1429 $self->link_multipart_objects; 1952 $self->link_multipart_objects;
1430
1431 unless ($self->{deny_activate}) {
1432 $self->decay_objects;
1433 $self->fix_auto_apply;
1434 $self->update_buttons;
1435 Coro::cede;
1436 $self->set_darkness_map;
1437 $self->difficulty ($self->estimate_difficulty) 1953 $self->difficulty ($self->estimate_difficulty)
1438 unless $self->difficulty; 1954 unless $self->difficulty;
1439 Coro::cede; 1955 cf::cede_to_tick;
1956
1957 unless ($self->{deny_activate}) {
1958 $self->decay_objects;
1959 $self->fix_auto_apply;
1960 $self->update_buttons;
1961 cf::cede_to_tick;
1962 $self->set_darkness_map;
1963 cf::cede_to_tick;
1440 $self->activate; 1964 $self->activate;
1965 }
1966
1967 $self->{last_save} = $cf::RUNTIME;
1968 $self->last_access ($cf::RUNTIME);
1969
1970 $self->in_memory (cf::MAP_IN_MEMORY);
1441 } 1971 }
1442 1972
1443 $self->post_load; 1973 $self->post_load;
1444
1445 $self->in_memory (cf::MAP_IN_MEMORY);
1446} 1974}
1447 1975
1448sub customise_for { 1976sub customise_for {
1449 my ($self, $ob) = @_; 1977 my ($self, $ob) = @_;
1450 1978
1451 return find "~" . $ob->name . "/" . $self->{path} 1979 return find "~" . $ob->name . "/" . $self->{path}
1452 if $self->per_player; 1980 if $self->per_player;
1453 1981
1982# return find "?party/" . $ob->name . "/" . $self->{path}
1983# if $self->per_party;
1984
1454 $self 1985 $self
1455} 1986}
1456 1987
1457# find and load all maps in the 3x3 area around a map 1988# find and load all maps in the 3x3 area around a map
1458sub load_diag { 1989sub load_neighbours {
1459 my ($map) = @_; 1990 my ($map) = @_;
1460 1991
1461 my @diag; # diagonal neighbours 1992 my @neigh; # diagonal neighbours
1462 1993
1463 for (0 .. 3) { 1994 for (0 .. 3) {
1464 my $neigh = $map->tile_path ($_) 1995 my $neigh = $map->tile_path ($_)
1465 or next; 1996 or next;
1466 $neigh = find $neigh, $map 1997 $neigh = find $neigh, $map
1467 or next; 1998 or next;
1468 $neigh->load; 1999 $neigh->load;
1469 2000
2001 push @neigh,
1470 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2002 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1471 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2003 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1472 } 2004 }
1473 2005
1474 for (@diag) { 2006 for (grep defined $_->[0], @neigh) {
2007 my ($path, $origin) = @$_;
1475 my $neigh = find @$_ 2008 my $neigh = find $path, $origin
1476 or next; 2009 or next;
1477 $neigh->load; 2010 $neigh->load;
1478 } 2011 }
1479} 2012}
1480 2013
1485} 2018}
1486 2019
1487sub do_load_sync { 2020sub do_load_sync {
1488 my ($map) = @_; 2021 my ($map) = @_;
1489 2022
2023 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2024 if $Coro::current == $Coro::main;
2025
1490 cf::sync_job { $map->load }; 2026 cf::sync_job { $map->load };
1491} 2027}
1492 2028
1493our %MAP_PREFETCH; 2029our %MAP_PREFETCH;
1494our $MAP_PREFETCHER = undef; 2030our $MAP_PREFETCHER = undef;
1495 2031
1496sub find_async { 2032sub find_async {
1497 my ($path, $origin) = @_; 2033 my ($path, $origin, $load) = @_;
1498 2034
1499 $path = normalise $path, $origin && $origin->{path}; 2035 $path = normalise $path, $origin && $origin->{path};
1500 2036
1501 if (my $map = $cf::MAP{$path}) { 2037 if (my $map = $cf::MAP{$path}) {
1502 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2038 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503 } 2039 }
1504 2040
1505 undef $MAP_PREFETCH{$path}; 2041 $MAP_PREFETCH{$path} |= $load;
2042
1506 $MAP_PREFETCHER ||= cf::async { 2043 $MAP_PREFETCHER ||= cf::async {
2044 $Coro::current->{desc} = "map prefetcher";
2045
1507 while (%MAP_PREFETCH) { 2046 while (%MAP_PREFETCH) {
1508 for my $path (keys %MAP_PREFETCH) { 2047 while (my ($k, $v) = each %MAP_PREFETCH) {
1509 my $map = find $path 2048 if (my $map = find $k) {
1510 or next;
1511 $map->load; 2049 $map->load if $v;
2050 }
1512 2051
1513 delete $MAP_PREFETCH{$path}; 2052 delete $MAP_PREFETCH{$k};
1514 } 2053 }
1515 } 2054 }
1516 undef $MAP_PREFETCHER; 2055 undef $MAP_PREFETCHER;
1517 }; 2056 };
1518 $MAP_PREFETCHER->prio (6); 2057 $MAP_PREFETCHER->prio (6);
1521} 2060}
1522 2061
1523sub save { 2062sub save {
1524 my ($self) = @_; 2063 my ($self) = @_;
1525 2064
1526 my $lock = cf::lock_acquire "map_data:" . $self->path; 2065 my $lock = cf::lock_acquire "map_data:$self->{path}";
1527 2066
1528 $self->{last_save} = $cf::RUNTIME; 2067 $self->{last_save} = $cf::RUNTIME;
1529 2068
1530 return unless $self->dirty; 2069 return unless $self->dirty;
1531 2070
1537 return if $self->{deny_save}; 2076 return if $self->{deny_save};
1538 2077
1539 local $self->{last_access} = $self->last_access;#d# 2078 local $self->{last_access} = $self->last_access;#d#
1540 2079
1541 cf::async { 2080 cf::async {
2081 $Coro::current->{desc} = "map player save";
1542 $_->contr->save for $self->players; 2082 $_->contr->save for $self->players;
1543 }; 2083 };
1544 2084
1545 if ($uniq) { 2085 if ($uniq) {
1546 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2086 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554 my ($self) = @_; 2094 my ($self) = @_;
1555 2095
1556 # save first because save cedes 2096 # save first because save cedes
1557 $self->save; 2097 $self->save;
1558 2098
1559 my $lock = cf::lock_acquire "map_data:" . $self->path; 2099 my $lock = cf::lock_acquire "map_data:$self->{path}";
1560 2100
1561 return if $self->players; 2101 return if $self->players;
1562 return if $self->in_memory != cf::MAP_IN_MEMORY; 2102 return if $self->in_memory != cf::MAP_IN_MEMORY;
1563 return if $self->{deny_save}; 2103 return if $self->{deny_save};
1564 2104
2105 $self->in_memory (cf::MAP_SWAPPED);
2106
2107 $self->deactivate;
2108 $_->clear_links_to ($self) for values %cf::MAP;
1565 $self->clear; 2109 $self->clear;
1566 $self->in_memory (cf::MAP_SWAPPED);
1567} 2110}
1568 2111
1569sub reset_at { 2112sub reset_at {
1570 my ($self) = @_; 2113 my ($self) = @_;
1571 2114
1572 # TODO: safety, remove and allow resettable per-player maps 2115 # TODO: safety, remove and allow resettable per-player maps
1573 return 1e99 if $self->isa ("ext::map_per_player");#d#
1574 return 1e99 if $self->{deny_reset}; 2116 return 1e99 if $self->{deny_reset};
1575 2117
1576 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2118 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2119 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578 2120
1589 my ($self) = @_; 2131 my ($self) = @_;
1590 2132
1591 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2133 my $lock = cf::lock_acquire "map_data:$self->{path}";
1592 2134
1593 return if $self->players; 2135 return if $self->players;
1594 return if $self->isa ("ext::map_per_player");#d#
1595 2136
1596 warn "resetting map ", $self->path;#d# 2137 warn "resetting map ", $self->path;
1597 2138
1598 $self->in_memory (cf::MAP_SWAPPED); 2139 $self->in_memory (cf::MAP_SWAPPED);
1599 2140
1600 # need to save uniques path 2141 # need to save uniques path
1601 unless ($self->{deny_save}) { 2142 unless ($self->{deny_save}) {
1605 if $uniq; 2146 if $uniq;
1606 } 2147 }
1607 2148
1608 delete $cf::MAP{$self->path}; 2149 delete $cf::MAP{$self->path};
1609 2150
2151 $self->deactivate;
2152 $_->clear_links_to ($self) for values %cf::MAP;
1610 $self->clear; 2153 $self->clear;
1611
1612 $_->clear_links_to ($self) for values %cf::MAP;
1613 2154
1614 $self->unlink_save; 2155 $self->unlink_save;
1615 $self->destroy; 2156 $self->destroy;
1616} 2157}
1617 2158
1618my $nuke_counter = "aaaa"; 2159my $nuke_counter = "aaaa";
1619 2160
1620sub nuke { 2161sub nuke {
1621 my ($self) = @_; 2162 my ($self) = @_;
1622 2163
2164 {
2165 my $lock = cf::lock_acquire "map_data:$self->{path}";
2166
1623 delete $cf::MAP{$self->path}; 2167 delete $cf::MAP{$self->path};
1624 2168
1625 $self->unlink_save; 2169 $self->unlink_save;
1626 2170
1627 bless $self, "cf::map"; 2171 bless $self, "cf::map";
1628 delete $self->{deny_reset}; 2172 delete $self->{deny_reset};
1629 $self->{deny_save} = 1; 2173 $self->{deny_save} = 1;
1630 $self->reset_timeout (1); 2174 $self->reset_timeout (1);
1631 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2175 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632 2176
1633 $cf::MAP{$self->path} = $self; 2177 $cf::MAP{$self->path} = $self;
2178 }
1634 2179
1635 $self->reset; # polite request, might not happen 2180 $self->reset; # polite request, might not happen
2181}
2182
2183=item $maps = cf::map::tmp_maps
2184
2185Returns an arrayref with all map paths of currently instantiated and saved
2186maps. May block.
2187
2188=cut
2189
2190sub tmp_maps() {
2191 [
2192 map {
2193 utf8::decode $_;
2194 /\.map$/
2195 ? normalise $_
2196 : ()
2197 } @{ aio_readdir $TMPDIR or [] }
2198 ]
2199}
2200
2201=item $maps = cf::map::random_maps
2202
2203Returns an arrayref with all map paths of currently instantiated and saved
2204random maps. May block.
2205
2206=cut
2207
2208sub random_maps() {
2209 [
2210 map {
2211 utf8::decode $_;
2212 /\.map$/
2213 ? normalise "?random/$_"
2214 : ()
2215 } @{ aio_readdir $RANDOMDIR or [] }
2216 ]
1636} 2217}
1637 2218
1638=item cf::map::unique_maps 2219=item cf::map::unique_maps
1639 2220
1640Returns an arrayref of paths of all shared maps that have 2221Returns an arrayref of paths of all shared maps that have
1641instantiated unique items. May block. 2222instantiated unique items. May block.
1642 2223
1643=cut 2224=cut
1644 2225
1645sub unique_maps() { 2226sub unique_maps() {
1646 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2227 [
1647 or return; 2228 map {
1648
1649 my @paths;
1650
1651 for (@$files) {
1652 utf8::decode $_; 2229 utf8::decode $_;
1653 next if /\.pst$/; 2230 /\.map$/
1654 next unless /^$PATH_SEP/o; 2231 ? normalise $_
1655 2232 : ()
1656 push @paths, cf::map::normalise $_; 2233 } @{ aio_readdir $UNIQUEDIR or [] }
1657 } 2234 ]
1658
1659 \@paths
1660} 2235}
1661 2236
1662package cf; 2237package cf;
1663 2238
1664=back 2239=back
1682 map { $_, inv_recursive_ $_->inv } @_ 2257 map { $_, inv_recursive_ $_->inv } @_
1683} 2258}
1684 2259
1685sub inv_recursive { 2260sub inv_recursive {
1686 inv_recursive_ inv $_[0] 2261 inv_recursive_ inv $_[0]
2262}
2263
2264=item $ref = $ob->ref
2265
2266creates and returns a persistent reference to an objetc that can be stored as a string.
2267
2268=item $ob = cf::object::deref ($refstring)
2269
2270returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271even if the object actually exists. May block.
2272
2273=cut
2274
2275sub deref {
2276 my ($ref) = @_;
2277
2278 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2279 my ($uuid, $name) = ($1, $2);
2280 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2281 or return;
2282 $pl->ob->uuid eq $uuid
2283 or return;
2284
2285 $pl->ob
2286 } else {
2287 warn "$ref: cannot resolve object reference\n";
2288 undef
2289 }
1687} 2290}
1688 2291
1689package cf; 2292package cf;
1690 2293
1691=back 2294=back
1710 2313
1711 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2314 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712 2315
1713 if ($self->{record_replies}) { 2316 if ($self->{record_replies}) {
1714 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2317 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2318
1715 } else { 2319 } else {
2320 my $pl = $self->contr;
2321
2322 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2323 my $dialog = $pl->{npc_dialog};
2324 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2325
2326 } else {
1716 $msg = $npc->name . " says: $msg" if $npc; 2327 $msg = $npc->name . " says: $msg" if $npc;
1717 $self->message ($msg, $flags); 2328 $self->message ($msg, $flags);
2329 }
1718 } 2330 }
2331}
2332
2333=item $object->send_msg ($channel, $msg, $color, [extra...])
2334
2335=cut
2336
2337sub cf::object::send_msg {
2338 my $pl = shift->contr
2339 or return;
2340 $pl->send_msg (@_);
1719} 2341}
1720 2342
1721=item $player_object->may ("access") 2343=item $player_object->may ("access")
1722 2344
1723Returns wether the given player is authorized to access resource "access" 2345Returns wether the given player is authorized to access resource "access"
1770 $self->deactivate_recursive; 2392 $self->deactivate_recursive;
1771 2393
1772 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2394 return if UNIVERSAL::isa $self->map, "ext::map_link";
1773 2395
1774 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2396 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775 if $self->map; 2397 if $self->map && $self->map->{path} ne "{link}";
1776 2398
1777 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2399 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1778} 2400}
1779 2401
1780sub cf::object::player::leave_link { 2402sub cf::object::player::leave_link {
1781 my ($self, $map, $x, $y) = @_; 2403 my ($self, $map, $x, $y) = @_;
2404
2405 return unless $self->contr->active;
1782 2406
1783 my $link_pos = delete $self->{_link_pos}; 2407 my $link_pos = delete $self->{_link_pos};
1784 2408
1785 unless ($map) { 2409 unless ($map) {
1786 # restore original map position 2410 # restore original map position
1800 # use -1 or undef as default coordinates, not 0, 0 2424 # use -1 or undef as default coordinates, not 0, 0
1801 ($x, $y) = ($map->enter_x, $map->enter_y) 2425 ($x, $y) = ($map->enter_x, $map->enter_y)
1802 if $x <=0 && $y <= 0; 2426 if $x <=0 && $y <= 0;
1803 2427
1804 $map->load; 2428 $map->load;
1805 $map->load_diag; 2429 $map->load_neighbours;
1806 2430
1807 return unless $self->contr->active; 2431 return unless $self->contr->active;
1808 $self->activate_recursive; 2432 $self->activate_recursive;
1809 2433
1810 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2434 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811 $self->enter_map ($map, $x, $y); 2435 $self->enter_map ($map, $x, $y);
1812} 2436}
1813 2437
1814cf::player->attach ( 2438=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815 on_logout => sub {
1816 my ($pl) = @_;
1817 2439
1818 # abort map switching before logout 2440Moves the player to the given map-path and coordinates by first freezing
1819 if ($pl->ob->{_link_pos}) { 2441her, loading and preparing them map, calling the provided $check callback
1820 cf::sync_job { 2442that has to return the map if sucecssful, and then unfreezes the player on
1821 $pl->ob->leave_link 2443the new (success) or old (failed) map position. In either case, $done will
1822 }; 2444be called at the end of this process.
1823 }
1824 },
1825 on_login => sub {
1826 my ($pl) = @_;
1827 2445
1828 # try to abort aborted map switching on player login :)
1829 # should happen only on crashes
1830 if ($pl->ob->{_link_pos}) {
1831 $pl->ob->enter_link;
1832 (async {
1833 $pl->ob->reply (undef,
1834 "There was an internal problem at your last logout, "
1835 . "the server will try to bring you to your intended destination in a second.",
1836 cf::NDI_RED);
1837 # we need this sleep as the login has a concurrent enter_exit running
1838 # and this sleep increases chances of the player not ending up in scorn
1839 Coro::Timer::sleep 1;
1840 $pl->ob->leave_link;
1841 })->prio (2);
1842 }
1843 },
1844);
1845
1846=item $player_object->goto ($path, $x, $y)
1847
1848=cut 2446=cut
2447
2448our $GOTOGEN;
1849 2449
1850sub cf::object::player::goto { 2450sub cf::object::player::goto {
1851 my ($self, $path, $x, $y) = @_; 2451 my ($self, $path, $x, $y, $check, $done) = @_;
2452
2453 # do generation counting so two concurrent goto's will be executed in-order
2454 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1852 2455
1853 $self->enter_link; 2456 $self->enter_link;
1854 2457
1855 (async { 2458 (async {
2459 $Coro::current->{desc} = "player::goto $path $x $y";
2460
2461 # *tag paths override both path and x|y
2462 if ($path =~ /^\*(.*)$/) {
2463 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2464 my $ob = $obs[rand @obs];
2465
2466 # see if we actually can go there
2467 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2468 $ob = $obs[rand @obs];
2469 } else {
2470 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2471 }
2472 # else put us there anyways for now #d#
2473
2474 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2475 } else {
2476 ($path, $x, $y) = (undef, undef, undef);
2477 }
2478 }
2479
1856 my $map = eval { 2480 my $map = eval {
1857 my $map = cf::map::find $path; 2481 my $map = defined $path ? cf::map::find $path : undef;
2482
2483 if ($map) {
1858 $map = $map->customise_for ($self) if $map; 2484 $map = $map->customise_for ($self);
2485 $map = $check->($map) if $check && $map;
2486 } else {
2487 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2488 }
2489
1859 $map 2490 $map
2491 };
2492
2493 if ($@) {
2494 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2495 LOG llevError | logBacktrace, Carp::longmess $@;
1860 } or 2496 }
1861 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862 2497
2498 if ($gen == $self->{_goto_generation}) {
2499 delete $self->{_goto_generation};
1863 $self->leave_link ($map, $x, $y); 2500 $self->leave_link ($map, $x, $y);
2501 }
2502
2503 $done->() if $done;
1864 })->prio (1); 2504 })->prio (1);
1865} 2505}
1866 2506
1867=item $player_object->enter_exit ($exit_object) 2507=item $player_object->enter_exit ($exit_object)
1868 2508
1907 2547
1908 $rmp->{random_seed} ||= $exit->random_seed; 2548 $rmp->{random_seed} ||= $exit->random_seed;
1909 2549
1910 my $data = cf::to_json $rmp; 2550 my $data = cf::to_json $rmp;
1911 my $md5 = Digest::MD5::md5_hex $data; 2551 my $md5 = Digest::MD5::md5_hex $data;
1912 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2552 my $meta = "$RANDOMDIR/$md5.meta";
1913 2553
1914 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2554 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915 aio_write $fh, 0, (length $data), $data, 0; 2555 aio_write $fh, 0, (length $data), $data, 0;
1916 undef $fh; 2556 undef $fh;
1917 aio_rename "$meta~", $meta; 2557 aio_rename "$meta~", $meta;
1926 2566
1927 return unless $self->type == cf::PLAYER; 2567 return unless $self->type == cf::PLAYER;
1928 2568
1929 if ($exit->slaying eq "/!") { 2569 if ($exit->slaying eq "/!") {
1930 #TODO: this should de-fi-ni-te-ly not be a sync-job 2570 #TODO: this should de-fi-ni-te-ly not be a sync-job
2571 # the problem is that $exit might not survive long enough
2572 # so it needs to be done right now, right here
1931 cf::sync_job { prepare_random_map $exit }; 2573 cf::sync_job { prepare_random_map $exit };
1932 } 2574 }
1933 2575
1934 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2576 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1935 my $hp = $exit->stats->hp; 2577 my $hp = $exit->stats->hp;
1936 my $sp = $exit->stats->sp; 2578 my $sp = $exit->stats->sp;
1937 2579
1938 $self->enter_link; 2580 $self->enter_link;
1939 2581
2582 # if exit is damned, update players death & WoR home-position
2583 $self->contr->savebed ($slaying, $hp, $sp)
2584 if $exit->flag (FLAG_DAMNED);
2585
1940 (async { 2586 (async {
2587 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2588
1941 $self->deactivate_recursive; # just to be sure 2589 $self->deactivate_recursive; # just to be sure
1942 unless (eval { 2590 unless (eval {
1943 $self->goto ($slaying, $hp, $sp); 2591 $self->goto ($slaying, $hp, $sp);
1944 2592
1945 1; 2593 1;
1946 }) { 2594 }) {
1947 $self->message ("Something went wrong deep within the crossfire server. " 2595 $self->message ("Something went wrong deep within the crossfire server. "
1948 . "I'll try to bring you back to the map you were before. " 2596 . "I'll try to bring you back to the map you were before. "
1949 . "Please report this to the dungeon master!", 2597 . "Please report this to the dungeon master!",
1950 cf::NDI_UNIQUE | cf::NDI_RED); 2598 cf::NDI_UNIQUE | cf::NDI_RED);
1951 2599
1952 warn "ERROR in enter_exit: $@"; 2600 warn "ERROR in enter_exit: $@";
1953 $self->leave_link; 2601 $self->leave_link;
1954 } 2602 }
1955 })->prio (1); 2603 })->prio (1);
1968 2616
1969sub cf::client::send_drawinfo { 2617sub cf::client::send_drawinfo {
1970 my ($self, $text, $flags) = @_; 2618 my ($self, $text, $flags) = @_;
1971 2619
1972 utf8::encode $text; 2620 utf8::encode $text;
1973 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2621 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974} 2622}
1975 2623
2624=item $client->send_msg ($channel, $msg, $color, [extra...])
2625
2626Send a drawinfo or msg packet to the client, formatting the msg for the
2627client if neccessary. C<$type> should be a string identifying the type of
2628the message, with C<log> being the default. If C<$color> is negative, suppress
2629the message unless the client supports the msg packet.
2630
2631=cut
2632
2633our %CHANNEL = (
2634 "c/identify" => {
2635 id => "infobox",
2636 title => "Identify",
2637 reply => undef,
2638 tooltip => "Items recently identified",
2639 },
2640 "c/examine" => {
2641 id => "infobox",
2642 title => "Examine",
2643 reply => undef,
2644 tooltip => "Signs and other items you examined",
2645 },
2646 "c/lookat" => {
2647 id => "infobox",
2648 title => "Look",
2649 reply => undef,
2650 tooltip => "What you saw there",
2651 },
2652);
2653
2654sub cf::client::send_msg {
2655 my ($self, $channel, $msg, $color, @extra) = @_;
2656
2657 $msg = $self->pl->expand_cfpod ($msg);
2658
2659 $color &= cf::NDI_CLIENT_MASK; # just in case...
2660
2661 # check predefined channels, for the benefit of C
2662 if ($CHANNEL{$channel}) {
2663 $channel = $CHANNEL{$channel};
2664
2665 $self->ext_msg (channel_info => $channel)
2666 if $self->can_msg;
2667
2668 $channel = $channel->{id};
2669
2670 } elsif (ref $channel) {
2671 # send meta info to client, if not yet sent
2672 unless (exists $self->{channel}{$channel->{id}}) {
2673 $self->{channel}{$channel->{id}} = $channel;
2674 $self->ext_msg (channel_info => $channel)
2675 if $self->can_msg;
2676 }
2677
2678 $channel = $channel->{id};
2679 }
2680
2681 return unless @extra || length $msg;
2682
2683 if ($self->can_msg) {
2684 # default colour, mask it out
2685 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2686 if $color & cf::NDI_DEF;
2687
2688 $self->send_packet ("msg " . $self->{json_coder}->encode (
2689 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2690 } else {
2691 if ($color >= 0) {
2692 # replace some tags by gcfclient-compatible ones
2693 for ($msg) {
2694 1 while
2695 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2696 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2697 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2698 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2699 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2700 }
2701
2702 $color &= cf::NDI_COLOR_MASK;
2703
2704 utf8::encode $msg;
2705
2706 if (0 && $msg =~ /\[/) {
2707 # COMMAND/INFO
2708 $self->send_packet ("drawextinfo $color 10 8 $msg")
2709 } else {
2710 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2711 $self->send_packet ("drawinfo $color $msg")
2712 }
2713 }
2714 }
2715}
2716
2717=item $client->ext_msg ($type, @msg)
2718
2719Sends an ext event to the client.
2720
2721=cut
2722
2723sub cf::client::ext_msg($$@) {
2724 my ($self, $type, @msg) = @_;
2725
2726 if ($self->extcmd == 2) {
2727 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2728 } elsif ($self->extcmd == 1) { # TODO: remove
2729 push @msg, msgtype => "event_$type";
2730 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2731 }
2732}
2733
2734=item $client->ext_reply ($msgid, @msg)
2735
2736Sends an ext reply to the client.
2737
2738=cut
2739
2740sub cf::client::ext_reply($$@) {
2741 my ($self, $id, @msg) = @_;
2742
2743 if ($self->extcmd == 2) {
2744 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2745 } elsif ($self->extcmd == 1) {
2746 #TODO: version 1, remove
2747 unshift @msg, msgtype => "reply", msgid => $id;
2748 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2749 }
2750}
1976 2751
1977=item $success = $client->query ($flags, "text", \&cb) 2752=item $success = $client->query ($flags, "text", \&cb)
1978 2753
1979Queues a query to the client, calling the given callback with 2754Queues a query to the client, calling the given callback with
1980the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2755the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1981C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2756C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1982 2757
1983Queries can fail, so check the return code. Or don't, as queries will become 2758Queries can fail, so check the return code. Or don't, as queries will
1984reliable at some point in the future. 2759become reliable at some point in the future.
1985 2760
1986=cut 2761=cut
1987 2762
1988sub cf::client::query { 2763sub cf::client::query {
1989 my ($self, $flags, $text, $cb) = @_; 2764 my ($self, $flags, $text, $cb) = @_;
1997 utf8::encode $text; 2772 utf8::encode $text;
1998 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2773 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999 2774
2000 $self->send_packet ($self->{query_queue}[0][0]) 2775 $self->send_packet ($self->{query_queue}[0][0])
2001 if @{ $self->{query_queue} } == 1; 2776 if @{ $self->{query_queue} } == 1;
2777
2778 1
2002} 2779}
2003 2780
2004cf::client->attach ( 2781cf::client->attach (
2782 on_connect => sub {
2783 my ($ns) = @_;
2784
2785 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2786 },
2005 on_reply => sub { 2787 on_reply => sub {
2006 my ($ns, $msg) = @_; 2788 my ($ns, $msg) = @_;
2007 2789
2008 # this weird shuffling is so that direct followup queries 2790 # this weird shuffling is so that direct followup queries
2009 # get handled first 2791 # get handled first
2021 } else { 2803 } else {
2022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2804 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023 } 2805 }
2024 } 2806 }
2025 }, 2807 },
2808 on_exticmd => sub {
2809 my ($ns, $buf) = @_;
2810
2811 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2812
2813 if (ref $msg) {
2814 my ($type, $reply, @payload) =
2815 "ARRAY" eq ref $msg
2816 ? @$msg
2817 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2818
2819 my @reply;
2820
2821 if (my $cb = $EXTICMD{$type}) {
2822 @reply = $cb->($ns, @payload);
2823 }
2824
2825 $ns->ext_reply ($reply, @reply)
2826 if $reply;
2827
2828 } else {
2829 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2830 }
2831
2832 cf::override;
2833 },
2026); 2834);
2027 2835
2028=item $client->async (\&cb) 2836=item $client->async (\&cb)
2029 2837
2030Create a new coroutine, running the specified callback. The coroutine will 2838Create a new coroutine, running the specified callback. The coroutine will
2071our $safe = new Safe "safe"; 2879our $safe = new Safe "safe";
2072our $safe_hole = new Safe::Hole; 2880our $safe_hole = new Safe::Hole;
2073 2881
2074$SIG{FPE} = 'IGNORE'; 2882$SIG{FPE} = 'IGNORE';
2075 2883
2076$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2884$safe->permit_only (Opcode::opset qw(
2885 :base_core :base_mem :base_orig :base_math
2886 grepstart grepwhile mapstart mapwhile
2887 sort time
2888));
2077 2889
2078# here we export the classes and methods available to script code 2890# here we export the classes and methods available to script code
2079 2891
2080=pod 2892=pod
2081 2893
2082The following fucntions and emthods are available within a safe environment: 2894The following functions and methods are available within a safe environment:
2083 2895
2084 cf::object contr pay_amount pay_player map 2896 cf::object
2897 contr pay_amount pay_player map x y force_find force_add
2898 insert remove name archname title slaying race decrease_ob_nr
2899
2085 cf::object::player player 2900 cf::object::player
2086 cf::player peaceful 2901 player
2087 cf::map trigger 2902
2903 cf::player
2904 peaceful
2905
2906 cf::map
2907 trigger
2088 2908
2089=cut 2909=cut
2090 2910
2091for ( 2911for (
2092 ["cf::object" => qw(contr pay_amount pay_player map)], 2912 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2913 insert remove inv name archname title slaying race
2914 decrease_ob_nr)],
2093 ["cf::object::player" => qw(player)], 2915 ["cf::object::player" => qw(player)],
2094 ["cf::player" => qw(peaceful)], 2916 ["cf::player" => qw(peaceful)],
2095 ["cf::map" => qw(trigger)], 2917 ["cf::map" => qw(trigger)],
2096) { 2918) {
2097 no strict 'refs'; 2919 no strict 'refs';
2168=back 2990=back
2169 2991
2170=cut 2992=cut
2171 2993
2172############################################################################# 2994#############################################################################
2173
2174=head2 EXTENSION DATABASE SUPPORT
2175
2176Crossfire maintains a very simple database for extension use. It can
2177currently store anything that can be serialised using Storable, which
2178excludes objects.
2179
2180The parameter C<$family> should best start with the name of the extension
2181using it, it should be unique.
2182
2183=over 4
2184
2185=item $value = cf::db_get $family => $key
2186
2187Returns a single value from the database.
2188
2189=item cf::db_put $family => $key => $value
2190
2191Stores the given C<$value> in the family.
2192
2193=cut
2194
2195our $DB;
2196
2197sub db_init {
2198 unless ($DB) {
2199 $DB = BDB::db_create $DB_ENV;
2200
2201 cf::sync_job {
2202 eval {
2203 $DB->set_flags (BDB::CHKSUM);
2204
2205 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207 cf::cleanup "db_open(db): $!" if $!;
2208 };
2209 cf::cleanup "db_open(db): $@" if $@;
2210 };
2211
2212 my $path = cf::localdir . "/database.pst";
2213 if (stat $path) {
2214 cf::sync_job {
2215 my $pst = Storable::retrieve $path;
2216
2217 cf::db_put (board => data => $pst->{board});
2218 cf::db_put (guildrules => data => $pst->{guildrules});
2219 cf::db_put (rent => balance => $pst->{rent}{balance});
2220 BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222 unlink $path;
2223 };
2224 }
2225 }
2226}
2227
2228sub db_get($$) {
2229 my $key = "$_[0]/$_[1]";
2230
2231 cf::sync_job {
2232 BDB::db_get $DB, undef, $key, my $data;
2233
2234 $! ? ()
2235 : Compress::LZF::sthaw $data
2236 }
2237}
2238
2239sub db_put($$$) {
2240 BDB::dbreq_pri 4;
2241 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242}
2243
2244#############################################################################
2245# the server's init and main functions 2995# the server's init and main functions
2246 2996
2247sub load_resources { 2997sub load_facedata($) {
2248 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2998 my ($path) = @_;
2999
3000 # HACK to clear player env face cache, we need some signal framework
3001 # for this (global event?)
3002 %ext::player_env::MUSIC_FACE_CACHE = ();
3003
3004 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3005
3006 warn "loading facedata from $path\n";
3007
3008 my $facedata;
3009 0 < aio_load $path, $facedata
3010 or die "$path: $!";
3011
3012 $facedata = Coro::Storable::thaw $facedata;
3013
3014 $facedata->{version} == 2
3015 or cf::cleanup "$path: version mismatch, cannot proceed.";
3016
3017 # patch in the exptable
3018 $facedata->{resource}{"res/exp_table"} = {
3019 type => FT_RSRC,
3020 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3021 };
3022 cf::cede_to_tick;
3023
3024 {
3025 my $faces = $facedata->{faceinfo};
3026
3027 while (my ($face, $info) = each %$faces) {
3028 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3029 cf::face::set_visibility $idx, $info->{visibility};
3030 cf::face::set_magicmap $idx, $info->{magicmap};
3031 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3032 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3033
3034 cf::cede_to_tick;
3035 }
3036
3037 while (my ($face, $info) = each %$faces) {
3038 next unless $info->{smooth};
3039 my $idx = cf::face::find $face
3040 or next;
3041 if (my $smooth = cf::face::find $info->{smooth}) {
3042 cf::face::set_smooth $idx, $smooth;
3043 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3044 } else {
3045 warn "smooth face '$info->{smooth}' not found for face '$face'";
3046 }
3047
3048 cf::cede_to_tick;
3049 }
3050 }
3051
3052 {
3053 my $anims = $facedata->{animinfo};
3054
3055 while (my ($anim, $info) = each %$anims) {
3056 cf::anim::set $anim, $info->{frames}, $info->{facings};
3057 cf::cede_to_tick;
3058 }
3059
3060 cf::anim::invalidate_all; # d'oh
3061 }
3062
3063 {
3064 # TODO: for gcfclient pleasure, we should give resources
3065 # that gcfclient doesn't grok a >10000 face index.
3066 my $res = $facedata->{resource};
3067
3068 my $soundconf = delete $res->{"res/sound.conf"};
3069
3070 while (my ($name, $info) = each %$res) {
3071 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3072 my $data;
3073
3074 if ($info->{type} & 1) {
3075 # prepend meta info
3076
3077 my $meta = $enc->encode ({
3078 name => $name,
3079 %{ $info->{meta} || {} },
3080 });
3081
3082 $data = pack "(w/a*)*", $meta, $info->{data};
3083 } else {
3084 $data = $info->{data};
3085 }
3086
3087 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3088 cf::face::set_type $idx, $info->{type};
3089
3090 cf::cede_to_tick;
3091 }
3092
3093 if ($soundconf) {
3094 $soundconf = $enc->decode (delete $soundconf->{data});
3095
3096 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3097 my $sound = $soundconf->{compat}[$_]
3098 or next;
3099
3100 my $face = cf::face::find "sound/$sound->[1]";
3101 cf::sound::set $sound->[0] => $face;
3102 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3103 }
3104
3105 while (my ($k, $v) = each %{$soundconf->{event}}) {
3106 my $face = cf::face::find "sound/$v";
3107 cf::sound::set $k => $face;
3108 }
3109 }
3110 }
3111
3112 1
3113}
3114
3115register_exticmd fx_want => sub {
3116 my ($ns, $want) = @_;
3117
3118 while (my ($k, $v) = each %$want) {
3119 $ns->fx_want ($k, $v);
3120 }
3121};
3122
3123sub reload_regions {
3124 # HACK to clear player env face cache, we need some signal framework
3125 # for this (global event?)
3126 %ext::player_env::MUSIC_FACE_CACHE = ();
3127
3128 load_resource_file "$MAPDIR/regions"
2249 or die "unable to load regions file\n";#d# 3129 or die "unable to load regions file\n";
2250}
2251 3130
2252sub cfg_load { 3131 for (cf::region::list) {
3132 $_->{match} = qr/$_->{match}/
3133 if exists $_->{match};
3134 }
3135}
3136
3137sub reload_facedata {
3138 load_facedata "$DATADIR/facedata"
3139 or die "unable to load facedata\n";
3140}
3141
3142sub reload_archetypes {
3143 load_resource_file "$DATADIR/archetypes"
3144 or die "unable to load archetypes\n";
3145 #d# NEED to laod twice to resolve forward references
3146 # this really needs to be done in an extra post-pass
3147 # (which needs to be synchronous, so solve it differently)
3148 load_resource_file "$DATADIR/archetypes"
3149 or die "unable to load archetypes\n";
3150}
3151
3152sub reload_treasures {
3153 load_resource_file "$DATADIR/treasures"
3154 or die "unable to load treasurelists\n";
3155}
3156
3157sub reload_resources {
3158 warn "reloading resource files...\n";
3159
3160 reload_regions;
3161 reload_facedata;
3162 #reload_archetypes;#d#
3163 reload_archetypes;
3164 reload_treasures;
3165
3166 warn "finished reloading resource files\n";
3167}
3168
3169sub init {
3170 reload_resources;
3171}
3172
3173sub reload_config {
2253 open my $fh, "<:utf8", cf::confdir . "/config" 3174 open my $fh, "<:utf8", "$CONFDIR/config"
2254 or return; 3175 or return;
2255 3176
2256 local $/; 3177 local $/;
2257 *CFG = YAML::Syck::Load <$fh>; 3178 *CFG = YAML::Syck::Load <$fh>;
2258 3179
2268 }; 3189 };
2269 warn $@ if $@; 3190 warn $@ if $@;
2270 } 3191 }
2271} 3192}
2272 3193
2273sub init {
2274 load_resources;
2275}
2276
2277sub main { 3194sub main {
2278 # we must not ever block the main coroutine 3195 # we must not ever block the main coroutine
2279 local $Coro::idle = sub { 3196 local $Coro::idle = sub {
2280 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3197 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2281 (async { 3198 (async {
3199 $Coro::current->{desc} = "IDLE BUG HANDLER";
2282 Event::one_event; 3200 Event::one_event;
2283 })->prio (Coro::PRIO_MAX); 3201 })->prio (Coro::PRIO_MAX);
2284 }; 3202 };
2285 3203
2286 cfg_load; 3204 reload_config;
2287 db_init; 3205 db_init;
2288 load_extensions; 3206 load_extensions;
2289 3207
2290 $TICK_WATCHER->start; 3208 $TICK_WATCHER->start;
2291 Event::loop; 3209 Event::loop;
2307 }, 3225 },
2308 ); 3226 );
2309 } 3227 }
2310} 3228}
2311 3229
3230sub write_runtime {
3231 my $runtime = "$LOCALDIR/runtime";
3232
3233 # first touch the runtime file to show we are still running:
3234 # the fsync below can take a very very long time.
3235
3236 IO::AIO::aio_utime $runtime, undef, undef;
3237
3238 my $guard = cf::lock_acquire "write_runtime";
3239
3240 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3241 or return;
3242
3243 my $value = $cf::RUNTIME + 90 + 10;
3244 # 10 is the runtime save interval, for a monotonic clock
3245 # 60 allows for the watchdog to kill the server.
3246
3247 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3248 and return;
3249
3250 # always fsync - this file is important
3251 aio_fsync $fh
3252 and return;
3253
3254 # touch it again to show we are up-to-date
3255 aio_utime $fh, undef, undef;
3256
3257 close $fh
3258 or return;
3259
3260 aio_rename "$runtime~", $runtime
3261 and return;
3262
3263 warn "runtime file written.\n";
3264
3265 1
3266}
3267
2312sub emergency_save() { 3268sub emergency_save() {
2313 my $freeze_guard = cf::freeze_mainloop; 3269 my $freeze_guard = cf::freeze_mainloop;
2314 3270
2315 warn "enter emergency perl save\n"; 3271 warn "enter emergency perl save\n";
2316 3272
2347 3303
2348 warn Carp::longmess "post_cleanup backtrace" 3304 warn Carp::longmess "post_cleanup backtrace"
2349 if $make_core; 3305 if $make_core;
2350} 3306}
2351 3307
2352sub reload() { 3308sub do_reload_perl() {
2353 # can/must only be called in main 3309 # can/must only be called in main
2354 if ($Coro::current != $Coro::main) { 3310 if ($Coro::current != $Coro::main) {
2355 warn "can only reload from main coroutine"; 3311 warn "can only reload from main coroutine";
2356 return; 3312 return;
2357 } 3313 }
2382 Coro::cede; 3338 Coro::cede;
2383 last unless IO::AIO::nreqs || BDB::nreqs; 3339 last unless IO::AIO::nreqs || BDB::nreqs;
2384 warn "iterate..."; 3340 warn "iterate...";
2385 } 3341 }
2386 3342
3343 ++$RELOAD;
3344
2387 warn "cancelling all extension coros"; 3345 warn "cancelling all extension coros";
2388 $_->cancel for values %EXT_CORO; 3346 $_->cancel for values %EXT_CORO;
2389 %EXT_CORO = (); 3347 %EXT_CORO = ();
2390 3348
2391 warn "removing commands"; 3349 warn "removing commands";
2392 %COMMAND = (); 3350 %COMMAND = ();
2393 3351
2394 warn "removing ext commands"; 3352 warn "removing ext/exti commands";
2395 %EXTCMD = (); 3353 %EXTCMD = ();
3354 %EXTICMD = ();
2396 3355
2397 warn "unloading/nuking all extensions"; 3356 warn "unloading/nuking all extensions";
2398 for my $pkg (@EXTS) { 3357 for my $pkg (@EXTS) {
2399 warn "... unloading $pkg"; 3358 warn "... unloading $pkg";
2400 3359
2430 Symbol::delete_package "safe::$_" 3389 Symbol::delete_package "safe::$_"
2431 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3390 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432 3391
2433 warn "unloading cf.pm \"a bit\""; 3392 warn "unloading cf.pm \"a bit\"";
2434 delete $INC{"cf.pm"}; 3393 delete $INC{"cf.pm"};
3394 delete $INC{"cf/pod.pm"};
2435 3395
2436 # don't, removes xs symbols, too, 3396 # don't, removes xs symbols, too,
2437 # and global variables created in xs 3397 # and global variables created in xs
2438 #Symbol::delete_package __PACKAGE__; 3398 #Symbol::delete_package __PACKAGE__;
2439 3399
2442 warn "reloading cf.pm"; 3402 warn "reloading cf.pm";
2443 require cf; 3403 require cf;
2444 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445 3405
2446 warn "loading config and database again"; 3406 warn "loading config and database again";
2447 cf::cfg_load; 3407 cf::reload_config;
2448 3408
2449 warn "loading extensions"; 3409 warn "loading extensions";
2450 cf::load_extensions; 3410 cf::load_extensions;
2451 3411
2452 warn "reattaching attachments to objects/players"; 3412 warn "reattaching attachments to objects/players";
2453 _global_reattach; 3413 _global_reattach; # objects, sockets
2454 warn "reattaching attachments to maps"; 3414 warn "reattaching attachments to maps";
2455 reattach $_ for values %MAP; 3415 reattach $_ for values %MAP;
2456 3416 warn "reattaching attachments to players";
2457 warn "loading reloadable resources"; 3417 reattach $_ for values %PLAYER;
2458 load_resources;
2459 3418
2460 warn "leaving sync_job"; 3419 warn "leaving sync_job";
2461 3420
2462 1 3421 1
2463 } or do { 3422 } or do {
2469 warn "reloaded"; 3428 warn "reloaded";
2470}; 3429};
2471 3430
2472our $RELOAD_WATCHER; # used only during reload 3431our $RELOAD_WATCHER; # used only during reload
2473 3432
3433sub reload_perl() {
3434 # doing reload synchronously and two reloads happen back-to-back,
3435 # coro crashes during coro_state_free->destroy here.
3436
3437 $RELOAD_WATCHER ||= Event->timer (
3438 reentrant => 0,
3439 after => 0,
3440 data => WF_AUTOCANCEL,
3441 cb => sub {
3442 do_reload_perl;
3443 undef $RELOAD_WATCHER;
3444 },
3445 );
3446}
3447
2474register_command "reload" => sub { 3448register_command "reload" => sub {
2475 my ($who, $arg) = @_; 3449 my ($who, $arg) = @_;
2476 3450
2477 if ($who->flag (FLAG_WIZ)) { 3451 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("reloading server."); 3452 $who->message ("reloading server.");
2479 3453 async {
2480 # doing reload synchronously and two reloads happen back-to-back, 3454 $Coro::current->{desc} = "perl_reload";
2481 # coro crashes during coro_state_free->destroy here.
2482
2483 $RELOAD_WATCHER ||= Event->timer (
2484 reentrant => 0,
2485 after => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => sub {
2488 reload; 3455 reload_perl;
2489 undef $RELOAD_WATCHER;
2490 },
2491 ); 3456 };
2492 } 3457 }
2493}; 3458};
2494 3459
2495unshift @INC, $LIBDIR; 3460unshift @INC, $LIBDIR;
2496 3461
2497my $bug_warning = 0; 3462my $bug_warning = 0;
3463
3464our @WAIT_FOR_TICK;
3465our @WAIT_FOR_TICK_BEGIN;
3466
3467sub wait_for_tick {
3468 return unless $TICK_WATCHER->is_active;
3469 return if $Coro::current == $Coro::main;
3470
3471 my $signal = new Coro::Signal;
3472 push @WAIT_FOR_TICK, $signal;
3473 $signal->wait;
3474}
3475
3476sub wait_for_tick_begin {
3477 return unless $TICK_WATCHER->is_active;
3478 return if $Coro::current == $Coro::main;
3479
3480 my $signal = new Coro::Signal;
3481 push @WAIT_FOR_TICK_BEGIN, $signal;
3482 $signal->wait;
3483}
2498 3484
2499$TICK_WATCHER = Event->timer ( 3485$TICK_WATCHER = Event->timer (
2500 reentrant => 0, 3486 reentrant => 0,
2501 parked => 1, 3487 parked => 1,
2502 prio => 0, 3488 prio => 0,
2507 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3493 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508 unless ++$bug_warning > 10; 3494 unless ++$bug_warning > 10;
2509 return; 3495 return;
2510 } 3496 }
2511 3497
2512 $NOW = Event::time; 3498 $NOW = $tick_start = Event::time;
2513 3499
2514 cf::server_tick; # one server iteration 3500 cf::server_tick; # one server iteration
3501
2515 $RUNTIME += $TICK; 3502 $RUNTIME += $TICK;
2516 $NEXT_TICK += $TICK; 3503 $NEXT_TICK += $TICK;
2517 3504
2518 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3505 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519 $NEXT_RUNTIME_WRITE = $NOW + 10; 3506 $NEXT_RUNTIME_WRITE = $NOW + 10;
2520 Coro::async_pool { 3507 Coro::async_pool {
3508 $Coro::current->{desc} = "runtime saver";
2521 write_runtime 3509 write_runtime
2522 or warn "ERROR: unable to write runtime file: $!"; 3510 or warn "ERROR: unable to write runtime file: $!";
2523 }; 3511 };
2524 } 3512 }
2525 3513
3514 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3515 $sig->send;
3516 }
3517 while (my $sig = shift @WAIT_FOR_TICK) {
3518 $sig->send;
3519 }
2526 3520
2527 $WAIT_FOR_TICK->broadcast; 3521 $NOW = Event::time;
2528 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530# my $AFTER = Event::time;
2531# warn $AFTER - $NOW;#d#
2532 3522
2533 # if we are delayed by four ticks or more, skip them all 3523 # if we are delayed by four ticks or more, skip them all
2534 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3524 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2535 3525
2536 $TICK_WATCHER->at ($NEXT_TICK); 3526 $TICK_WATCHER->at ($NEXT_TICK);
2537 $TICK_WATCHER->start; 3527 $TICK_WATCHER->start;
3528
3529 $LOAD = ($NOW - $tick_start) / $TICK;
3530 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3531
3532 _post_tick;
2538 }, 3533 },
2539); 3534);
2540 3535
2541{ 3536{
3537 BDB::min_parallel 8;
2542 BDB::max_poll_time $TICK * 0.1; 3538 BDB::max_poll_time $TICK * 0.1;
2543 $BDB_POLL_WATCHER = Event->io ( 3539 $BDB_POLL_WATCHER = Event->io (
2544 reentrant => 0, 3540 reentrant => 0,
2545 fd => BDB::poll_fileno, 3541 fd => BDB::poll_fileno,
2546 poll => 'r', 3542 poll => 'r',
2547 prio => 0, 3543 prio => 0,
2548 data => WF_AUTOCANCEL, 3544 data => WF_AUTOCANCEL,
2549 cb => \&BDB::poll_cb, 3545 cb => \&BDB::poll_cb,
2550 ); 3546 );
2551 BDB::min_parallel 8;
2552 3547
2553 BDB::set_sync_prepare { 3548 BDB::set_sync_prepare {
2554 my $status; 3549 my $status;
2555 my $current = $Coro::current; 3550 my $current = $Coro::current;
2556 ( 3551 (
2565 ) 3560 )
2566 }; 3561 };
2567 3562
2568 unless ($DB_ENV) { 3563 unless ($DB_ENV) {
2569 $DB_ENV = BDB::db_env_create; 3564 $DB_ENV = BDB::db_env_create;
3565 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3566 | BDB::LOG_AUTOREMOVE, 1);
3567 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3568 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2570 3569
2571 cf::sync_job { 3570 cf::sync_job {
2572 eval { 3571 eval {
2573 BDB::db_env_open 3572 BDB::db_env_open
2574 $DB_ENV, 3573 $DB_ENV,
2575 $BDB_ENV_DIR, 3574 $BDBDIR,
2576 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3575 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3576 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578 0666; 3577 0666;
2579 3578
2580 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3579 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581
2582 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583 $DB_ENV->set_lk_detect;
2584 }; 3580 };
2585 3581
2586 cf::cleanup "db_env_open(db): $@" if $@; 3582 cf::cleanup "db_env_open(db): $@" if $@;
2587 }; 3583 };
2588 } 3584 }
3585
3586 $BDB_DEADLOCK_WATCHER = Event->timer (
3587 after => 3,
3588 interval => 1,
3589 hard => 1,
3590 prio => 0,
3591 data => WF_AUTOCANCEL,
3592 cb => sub {
3593 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3594 },
3595 );
3596 $BDB_CHECKPOINT_WATCHER = Event->timer (
3597 after => 11,
3598 interval => 60,
3599 hard => 1,
3600 prio => 0,
3601 data => WF_AUTOCANCEL,
3602 cb => sub {
3603 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3604 },
3605 );
3606 $BDB_TRICKLE_WATCHER = Event->timer (
3607 after => 5,
3608 interval => 10,
3609 hard => 1,
3610 prio => 0,
3611 data => WF_AUTOCANCEL,
3612 cb => sub {
3613 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3614 },
3615 );
2589} 3616}
2590 3617
2591{ 3618{
2592 IO::AIO::min_parallel 8; 3619 IO::AIO::min_parallel 8;
2593 3620
2596 $AIO_POLL_WATCHER = Event->io ( 3623 $AIO_POLL_WATCHER = Event->io (
2597 reentrant => 0, 3624 reentrant => 0,
2598 data => WF_AUTOCANCEL, 3625 data => WF_AUTOCANCEL,
2599 fd => IO::AIO::poll_fileno, 3626 fd => IO::AIO::poll_fileno,
2600 poll => 'r', 3627 poll => 'r',
2601 prio => 6, 3628 prio => 0,
2602 cb => \&IO::AIO::poll_cb, 3629 cb => \&IO::AIO::poll_cb,
2603 ); 3630 );
2604} 3631}
2605 3632
3633my $_log_backtrace;
3634
3635sub _log_backtrace {
3636 my ($msg, @addr) = @_;
3637
3638 $msg =~ s/\n//;
3639
3640 # limit the # of concurrent backtraces
3641 if ($_log_backtrace < 2) {
3642 ++$_log_backtrace;
3643 async {
3644 $Coro::current->{desc} = "abt $msg";
3645
3646 my @bt = fork_call {
3647 @addr = map { sprintf "%x", $_ } @addr;
3648 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3649 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3650 or die "addr2line: $!";
3651
3652 my @funcs;
3653 my @res = <$fh>;
3654 chomp for @res;
3655 while (@res) {
3656 my ($func, $line) = splice @res, 0, 2, ();
3657 push @funcs, "[$func] $line";
3658 }
3659
3660 @funcs
3661 };
3662
3663 LOG llevInfo, "[ABT] $msg\n";
3664 LOG llevInfo, "[ABT] $_\n" for @bt;
3665 --$_log_backtrace;
3666 };
3667 } else {
3668 LOG llevInfo, "[ABT] $msg\n";
3669 LOG llevInfo, "[ABT] [suppressed]\n";
3670 }
3671}
3672
3673# load additional modules
3674use cf::pod;
3675
2606END { cf::emergency_save } 3676END { cf::emergency_save }
2607 3677
26081 36781
2609 3679

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