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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.369 by root, Thu Sep 13 08:35:25 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 3.3 (); 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 ();
27use BDB ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
31use YAML::Syck ();
23use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 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
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
27use 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
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# 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?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
54
55our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps
39 60
61our $RELOAD; # number of reloads so far
40our @EVENT; 62our @EVENT;
41our $LIBDIR = datadir . "/ext";
42 63
43our $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(!)
44our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 80our $NEXT_TICK;
46our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER;
87our $DB_ENV;
47 88
48our %CFG; 89our %CFG;
49 90
50our $UPTIME; $UPTIME ||= time; 91our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 92our $RUNTIME;
52 93
53our %PLAYER; # all users 94our (%PLAYER, %PLAYER_LOADING); # all users
54our %MAP; # all maps 95our (%MAP, %MAP_LOADING ); # all maps
55our $LINK_MAP; # the special {link} map 96our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 97
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 98# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 99our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100
101our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102our $LOADAVG; # same thing, but with alpha-smoothing
103our $tick_start; # for load detecting purposes
61 104
62binmode STDOUT; 105binmode STDOUT;
63binmode STDERR; 106binmode STDERR;
64 107
65# read virtual server time, if available 108# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 109unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67 open my $fh, "<", cf::localdir . "/runtime" 110 open my $fh, "<", "$LOCALDIR/runtime"
68 or die "unable to read runtime file: $!"; 111 or die "unable to read runtime file: $!";
69 $RUNTIME = <$fh> + 0.; 112 $RUNTIME = <$fh> + 0.;
70} 113}
71 114
72mkdir cf::localdir; 115mkdir $_
73mkdir cf::localdir . "/" . cf::playerdir; 116 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 117
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 118our $EMERGENCY_POSITION;
119
120sub cf::map::normalise;
81 121
82############################################################################# 122#############################################################################
83 123
84=head2 GLOBAL VARIABLES 124=head2 GLOBAL VARIABLES
85 125
92=item $cf::RUNTIME 132=item $cf::RUNTIME
93 133
94The time this server has run, starts at 0 and is increased by $cf::TICK on 134The time this server has run, starts at 0 and is increased by $cf::TICK on
95every server tick. 135every server tick.
96 136
97=item $cf::LIBDIR 137=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
138$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
139$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98 140
99The perl library directory, where extensions and cf-specific modules can 141Various directories - "/etc", read-only install directory, perl-library
100be found. It will be added to C<@INC> automatically. 142directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143unique-items directory, player file directory, random maps directory and
144database environment.
101 145
102=item $cf::NOW 146=item $cf::NOW
103 147
104The time of the last (current) server tick. 148The time of the last (current) server tick.
105 149
106=item $cf::TICK 150=item $cf::TICK
107 151
108The interval between server ticks, in seconds. 152The interval between server ticks, in seconds.
153
154=item $cf::LOADAVG
155
156The current CPU load on the server (alpha-smoothed), as a value between 0
157(none) and 1 (overloaded), indicating how much time is spent on processing
158objects per tick. Healthy values are < 0.5.
159
160=item $cf::LOAD
161
162The raw value load value from the last tick.
109 163
110=item %cf::CFG 164=item %cf::CFG
111 165
112Configuration for the server, loaded from C</etc/crossfire/config>, or 166Configuration for the server, loaded from C</etc/crossfire/config>, or
113from wherever your confdir points to. 167from wherever your confdir points to.
114 168
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 169=item cf::wait_for_tick, cf::wait_for_tick_begin
116 170
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 171These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 172returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 173per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick. 174
175=item @cf::INVOKE_RESULTS
176
177This array contains the results of the last C<invoke ()> call. When
178C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179that call.
121 180
122=back 181=back
123 182
124=cut 183=cut
125 184
126BEGIN { 185BEGIN {
127 *CORE::GLOBAL::warn = sub { 186 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 187 my $msg = join "", @_;
129 utf8::encode $msg;
130 188
131 $msg .= "\n" 189 $msg .= "\n"
132 unless $msg =~ /\n$/; 190 unless $msg =~ /\n$/;
191
192 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
133 193
134 LOG llevError, $msg; 194 LOG llevError, $msg;
135 }; 195 };
136} 196}
137 197
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 199@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 200@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 201@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 202@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
203@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 204@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144 205
145# we bless all objects into (empty) derived classes to force a method lookup 206# we bless all objects into (empty) derived classes to force a method lookup
146# within the Safe compartment. 207# within the Safe compartment.
147for my $pkg (qw( 208for my $pkg (qw(
148 cf::global cf::attachable 209 cf::global cf::attachable
157 218
158$Event::DIED = sub { 219$Event::DIED = sub {
159 warn "error in event callback: @_"; 220 warn "error in event callback: @_";
160}; 221};
161 222
162my %ext_pkg; 223#############################################################################
163my @exts;
164my @hook;
165 224
166=head2 UTILITY FUNCTIONS 225=head2 UTILITY FUNCTIONS
167 226
168=over 4 227=over 4
169 228
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 248 $d
190 } || "[unable to dump $_[0]: '$@']"; 249 } || "[unable to dump $_[0]: '$@']";
191} 250}
192 251
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 252=item $ref = cf::from_json $json
196 253
197Converts a JSON string into the corresponding perl data structure. 254Converts a JSON string into the corresponding perl data structure.
198 255
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 256=item $json = cf::to_json $ref
207 257
208Converts a perl data structure into its JSON representation. 258Converts a perl data structure into its JSON representation.
209 259
210=cut 260=cut
211 261
212sub to_json($) { 262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 263
214 JSON::Syck::Dump $_[0] 264sub to_json ($) { $json_coder->encode ($_[0]) }
215} 265sub from_json ($) { $json_coder->decode ($_[0]) }
216 266
217=item cf::lock_wait $string 267=item cf::lock_wait $string
218 268
219Wait until the given lock is available. See cf::lock_acquire. 269Wait until the given lock is available. See cf::lock_acquire.
220 270
223Wait until the given lock is available and then acquires it and returns 273Wait until the given lock is available and then acquires it and returns
224a Coro::guard object. If the guard object gets destroyed (goes out of scope, 274a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225for example when the coroutine gets canceled), the lock is automatically 275for example when the coroutine gets canceled), the lock is automatically
226returned. 276returned.
227 277
278Locks are *not* recursive, locking from the same coro twice results in a
279deadlocked coro.
280
228Lock names should begin with a unique identifier (for example, cf::map::find 281Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 282uses map_find and cf::map::load uses map_load).
230 283
284=item $locked = cf::lock_active $string
285
286Return true if the lock is currently active, i.e. somebody has locked it.
287
231=cut 288=cut
232 289
233our %LOCK; 290our %LOCK;
291our %LOCKER;#d#
234 292
235sub lock_wait($) { 293sub lock_wait($) {
236 my ($key) = @_; 294 my ($key) = @_;
295
296 if ($LOCKER{$key} == $Coro::current) {#d#
297 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298 return;#d#
299 }#d#
237 300
238 # wait for lock, if any 301 # wait for lock, if any
239 while ($LOCK{$key}) { 302 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current; 303 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule; 304 Coro::schedule;
247 310
248 # wait, to be sure we are not locked 311 # wait, to be sure we are not locked
249 lock_wait $key; 312 lock_wait $key;
250 313
251 $LOCK{$key} = []; 314 $LOCK{$key} = [];
315 $LOCKER{$key} = $Coro::current;#d#
252 316
253 Coro::guard { 317 Coro::guard {
318 delete $LOCKER{$key};#d#
254 # wake up all waiters, to be on the safe side 319 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 320 $_->ready for @{ delete $LOCK{$key} };
256 } 321 }
257} 322}
258 323
324sub lock_active($) {
325 my ($key) = @_;
326
327 ! ! $LOCK{$key}
328}
329
259sub freeze_mainloop { 330sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 331 return unless $TICK_WATCHER->is_active;
261 332
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 333 my $guard = Coro::guard {
334 $TICK_WATCHER->start;
335 };
263 $TICK_WATCHER->stop; 336 $TICK_WATCHER->stop;
264 $guard 337 $guard
338}
339
340=item cf::get_slot $time[, $priority[, $name]]
341
342Allocate $time seconds of blocking CPU time at priority C<$priority>:
343This call blocks and returns only when you have at least C<$time> seconds
344of cpu time till the next tick. The slot is only valid till the next cede.
345
346The optional C<$name> can be used to identify the job to run. It might be
347used for statistical purposes and should identify the same time-class.
348
349Useful for short background jobs.
350
351=cut
352
353our @SLOT_QUEUE;
354our $SLOT_QUEUE;
355
356$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357$SLOT_QUEUE = Coro::async {
358 my $signal = new Coro::Signal;
359
360 while () {
361 next_job:
362 my $avail = cf::till_tick;
363 if ($avail > 0.01) {
364 for (0 .. $#SLOT_QUEUE) {
365 if ($SLOT_QUEUE[$_][0] < $avail) {
366 my $job = splice @SLOT_QUEUE, $_, 1, ();
367 $job->[2]->send;
368 Coro::cede;
369 goto next_job;
370 }
371 }
372 }
373
374 if (@SLOT_QUEUE) {
375 # we do not use wait_For_tick() as it returns immediately when tick is inactive
376 push @cf::WAIT_FOR_TICK, $signal;
377 $signal->wait;
378 } else {
379 Coro::schedule;
380 }
381 }
382};
383
384sub get_slot($;$$) {
385 my ($time, $pri, $name) = @_;
386
387 $time = $TICK * .6 if $time > $TICK * .6;
388 my $sig = new Coro::Signal;
389
390 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392 $SLOT_QUEUE->ready;
393 $sig->wait;
265} 394}
266 395
267=item cf::async { BLOCK } 396=item cf::async { BLOCK }
268 397
269Currently the same as Coro::async_pool, meaning you cannot use 398Currently the same as Coro::async_pool, meaning you cannot use
274 403
275BEGIN { *async = \&Coro::async_pool } 404BEGIN { *async = \&Coro::async_pool }
276 405
277=item cf::sync_job { BLOCK } 406=item cf::sync_job { BLOCK }
278 407
279The design of crossfire+ requires that the main coro ($Coro::main) is 408The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 409is always able to handle events or runnable, as Crossfire TRT is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 410partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411acceptable.
282 412
283If it must be done, put the blocking parts into C<sync_job>. This will run 413If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 414the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 415server will be frozen during this time, so the block should either finish
286fast or be very important. 416fast or be very important.
289 419
290sub sync_job(&) { 420sub sync_job(&) {
291 my ($job) = @_; 421 my ($job) = @_;
292 422
293 if ($Coro::current == $Coro::main) { 423 if ($Coro::current == $Coro::main) {
424 my $time = Event::time;
425
294 # this is the main coro, too bad, we have to block 426 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 427 # till the operation succeeds, freezing the server :/
296 428
297 # TODO: use suspend/resume instead 429 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 430 # (but this is cancel-safe)
309 441
310 while ($busy) { 442 while ($busy) {
311 Coro::cede or Event::one_event; 443 Coro::cede or Event::one_event;
312 } 444 }
313 445
446 $time = Event::time - $time;
447
448 LOG llevError | logBacktrace, Carp::longmess "long sync job"
449 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451 $tick_start += $time; # do not account sync jobs to server load
452
314 wantarray ? @res : $res[0] 453 wantarray ? @res : $res[0]
315 } else { 454 } else {
316 # we are in another coroutine, how wonderful, everything just works 455 # we are in another coroutine, how wonderful, everything just works
317 456
318 $job->() 457 $job->()
319 } 458 }
320} 459}
321 460
322=item $coro = cf::async_ext { BLOCK } 461=item $coro = cf::async_ext { BLOCK }
323 462
324Like async, but this coro is automcatially being canceled when the 463Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 464extension calling this is being unloaded.
326 465
327=cut 466=cut
328 467
329sub async_ext(&) { 468sub async_ext(&) {
337 $EXT_CORO{$coro+0} = $coro; 476 $EXT_CORO{$coro+0} = $coro;
338 477
339 $coro 478 $coro
340} 479}
341 480
342sub write_runtime { 481=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 482
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 483Executes the given code block with the given arguments in a seperate
346 or return; 484process, returning the results. Everything must be serialisable with
485Coro::Storable. May, of course, block. Note that the executed sub may
486never block itself or use any form of Event handling.
347 487
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 488=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 489
352 aio_fsync $fh 490sub fork_call(&@) {
353 and return; 491 my ($cb, @args) = @_;
354 492
355 close $fh 493 # we seemingly have to make a local copy of the whole thing,
356 or return; 494 # otherwise perl prematurely frees the stuff :/
495 # TODO: investigate and fix (likely this will be rather laborious)
357 496
358 aio_rename "$runtime~", $runtime 497 my @res = Coro::Util::fork_eval {
359 and return; 498 reset_signals;
499 &$cb
500 }, @args;
360 501
502 wantarray ? @res : $res[-1]
503}
504
505=item $value = cf::db_get $family => $key
506
507Returns a single value from the environment database.
508
509=item cf::db_put $family => $key => $value
510
511Stores the given C<$value> in the family. It can currently store binary
512data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
513
514=item $db = cf::db_table "name"
515
516Create and/or open a new database table. The string must not be "db" and must be unique
517within each server.
518
519=cut
520
521sub db_table($) {
522 my ($name) = @_;
523 my $db = BDB::db_create $DB_ENV;
524
525 eval {
526 $db->set_flags (BDB::CHKSUM);
527
528 utf8::encode $name;
529 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
530 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
531 cf::cleanup "db_open(db): $!" if $!;
532 };
533 cf::cleanup "db_open(db): $@" if $@;
534
535 $db
536}
537
538our $DB;
539
540sub db_init {
541 cf::sync_job {
542 $DB ||= db_table "db";
543 };
544}
545
546sub db_get($$) {
547 my $key = "$_[0]/$_[1]";
548
549 cf::sync_job {
550 BDB::db_get $DB, undef, $key, my $data;
551
552 $! ? ()
553 : $data
361 1 554 }
555}
556
557sub db_put($$$) {
558 BDB::dbreq_pri 4;
559 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
560}
561
562=item cf::cache $id => [$paths...], $processversion => $process
563
564Generic caching function that returns the value of the resource $id,
565caching and regenerating as required.
566
567This function can block.
568
569=cut
570
571sub cache {
572 my ($id, $src, $processversion, $process) = @_;
573
574 my $meta =
575 join "\x00",
576 $processversion,
577 map {
578 aio_stat $_
579 and Carp::croak "$_: $!";
580
581 ($_, (stat _)[7,9])
582 } @$src;
583
584 my $dbmeta = db_get cache => "$id/meta";
585 if ($dbmeta ne $meta) {
586 # changed, we may need to process
587
588 my @data;
589 my $md5;
590
591 for (0 .. $#$src) {
592 0 <= aio_load $src->[$_], $data[$_]
593 or Carp::croak "$src->[$_]: $!";
594 }
595
596 # if processing is expensive, check
597 # checksum first
598 if (1) {
599 $md5 =
600 join "\x00",
601 $processversion,
602 map {
603 cf::cede_to_tick;
604 ($src->[$_], Digest::MD5::md5_hex $data[$_])
605 } 0.. $#$src;
606
607
608 my $dbmd5 = db_get cache => "$id/md5";
609 if ($dbmd5 eq $md5) {
610 db_put cache => "$id/meta", $meta;
611
612 return db_get cache => "$id/data";
613 }
614 }
615
616 my $t1 = Time::HiRes::time;
617 my $data = $process->(\@data);
618 my $t2 = Time::HiRes::time;
619
620 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
621
622 db_put cache => "$id/data", $data;
623 db_put cache => "$id/md5" , $md5;
624 db_put cache => "$id/meta", $meta;
625
626 return $data;
627 }
628
629 db_get cache => "$id/data"
630}
631
632=item cf::datalog type => key => value, ...
633
634Log a datalog packet of the given type with the given key-value pairs.
635
636=cut
637
638sub datalog($@) {
639 my ($type, %kv) = @_;
640 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362} 641}
363 642
364=back 643=back
365 644
366=cut 645=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 646
490############################################################################# 647#############################################################################
491 648
492=head2 ATTACHABLE OBJECTS 649=head2 ATTACHABLE OBJECTS
493 650
495attach callbacks/event handlers (a collection of which is called an "attachment") 652attach callbacks/event handlers (a collection of which is called an "attachment")
496to it. All such attachable objects support the following methods. 653to it. All such attachable objects support the following methods.
497 654
498In the following description, CLASS can be any of C<global>, C<object> 655In the following description, CLASS can be any of C<global>, C<object>
499C<player>, C<client> or C<map> (i.e. the attachable objects in 656C<player>, C<client> or C<map> (i.e. the attachable objects in
500crossfire+). 657Crossfire TRT).
501 658
502=over 4 659=over 4
503 660
504=item $attachable->attach ($attachment, key => $value...) 661=item $attachable->attach ($attachment, key => $value...)
505 662
619our @CB_TYPE = (); # registry for type (cf-object class) based events 776our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 777our @CB_MAP = ();
621 778
622my %attachment; 779my %attachment;
623 780
781sub cf::attachable::thawer_merge {
782 # simply override everything except _meta
783 local $_[0]{_meta};
784 %{$_[0]} = %{$_[1]};
785}
786
624sub _attach_cb($$$$) { 787sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 788 my ($registry, $event, $prio, $cb) = @_;
626 789
627 use sort 'stable'; 790 use sort 'stable';
628 791
662 $registry = $CB_TYPE[$object_type] ||= []; 825 $registry = $CB_TYPE[$object_type] ||= [];
663 826
664 } elsif ($type eq "subtype") { 827 } elsif ($type eq "subtype") {
665 defined $object_type or Carp::croak "subtype specified without type"; 828 defined $object_type or Carp::croak "subtype specified without type";
666 my $object_subtype = shift @arg; 829 my $object_subtype = shift @arg;
667 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 830 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668 831
669 } elsif ($type eq "package") { 832 } elsif ($type eq "package") {
670 my $pkg = shift @arg; 833 my $pkg = shift @arg;
671 834
672 while (my ($name, $id) = each %cb_id) { 835 while (my ($name, $id) = each %cb_id) {
701 _attach $registry, $klass, @attach; 864 _attach $registry, $klass, @attach;
702 } 865 }
703 866
704 $obj->{$name} = \%arg; 867 $obj->{$name} = \%arg;
705 } else { 868 } else {
706 warn "object uses attachment '$name' that is not available, postponing.\n"; 869 warn "object uses attachment '$name' which is not available, postponing.\n";
707 } 870 }
708 871
709 $obj->{_attachment}{$name} = undef; 872 $obj->{_attachment}{$name} = undef;
710} 873}
711 874
713 if (ref $_[0]) { 876 if (ref $_[0]) {
714 _object_attach @_; 877 _object_attach @_;
715 } else { 878 } else {
716 _attach shift->_attach_registry, @_; 879 _attach shift->_attach_registry, @_;
717 } 880 }
881 _recalc_want;
718}; 882};
719 883
720# all those should be optimised 884# all those should be optimised
721sub cf::attachable::detach { 885sub cf::attachable::detach {
722 my ($obj, $name) = @_; 886 my ($obj, $name) = @_;
725 delete $obj->{_attachment}{$name}; 889 delete $obj->{_attachment}{$name};
726 reattach ($obj); 890 reattach ($obj);
727 } else { 891 } else {
728 Carp::croak "cannot, currently, detach class attachments"; 892 Carp::croak "cannot, currently, detach class attachments";
729 } 893 }
894 _recalc_want;
730}; 895};
731 896
732sub cf::attachable::attached { 897sub cf::attachable::attached {
733 my ($obj, $name) = @_; 898 my ($obj, $name) = @_;
734 899
749 "; 914 ";
750 die if $@; 915 die if $@;
751} 916}
752 917
753our $override; 918our $override;
754our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 919our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755 920
756sub override { 921sub override {
757 $override = 1; 922 $override = 1;
758 @invoke_results = (); 923 @INVOKE_RESULTS = (@_);
759} 924}
760 925
761sub do_invoke { 926sub do_invoke {
762 my $event = shift; 927 my $event = shift;
763 my $callbacks = shift; 928 my $callbacks = shift;
764 929
765 @invoke_results = (); 930 @INVOKE_RESULTS = ();
766 931
767 local $override; 932 local $override;
768 933
769 for (@$callbacks) { 934 for (@$callbacks) {
770 eval { &{$_->[1]} }; 935 eval { &{$_->[1]} };
787 952
788Generate an object-specific event with the given arguments. 953Generate an object-specific event with the given arguments.
789 954
790This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 955This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791removed in future versions), and there is no public API to access override 956removed in future versions), and there is no public API to access override
792results (if you must, access C<@cf::invoke_results> directly). 957results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793 958
794=back 959=back
795 960
796=cut 961=cut
797 962
798############################################################################# 963#############################################################################
799# object support 964# object support
965#
966
967sub _can_merge {
968 my ($ob1, $ob2) = @_;
969
970 local $Storable::canonical = 1;
971 my $fob1 = Storable::freeze $ob1;
972 my $fob2 = Storable::freeze $ob2;
973
974 $fob1 eq $fob2
975}
800 976
801sub reattach { 977sub reattach {
802 # basically do the same as instantiate, without calling instantiate 978 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 979 my ($obj) = @_;
980
981 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 982
805 my $registry = $obj->registry; 983 my $registry = $obj->registry;
806 984
807 @$registry = (); 985 @$registry = ();
808 986
847); 1025);
848 1026
849sub object_freezer_save { 1027sub object_freezer_save {
850 my ($filename, $rdata, $objs) = @_; 1028 my ($filename, $rdata, $objs) = @_;
851 1029
1030 my $guard = cf::lock_acquire "io";
1031
852 sync_job { 1032 sync_job {
853 if (length $$rdata) { 1033 if (length $$rdata) {
1034 utf8::decode (my $decname = $filename);
854 warn sprintf "saving %s (%d,%d)\n", 1035 warn sprintf "saving %s (%d,%d)\n",
855 $filename, length $$rdata, scalar @$objs; 1036 $decname, length $$rdata, scalar @$objs;
856 1037
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1038 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 1039 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1040 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 1041 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 1042 close $fh;
862 1043
863 if (@$objs) { 1044 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1045 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 1046 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1047 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 1048 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 1049 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 1050 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 1051 aio_rename "$filename.pst~", "$filename.pst";
871 } 1052 }
872 } else { 1053 } else {
873 aio_unlink "$filename.pst"; 1054 aio_unlink "$filename.pst";
879 } 1060 }
880 } else { 1061 } else {
881 aio_unlink $filename; 1062 aio_unlink $filename;
882 aio_unlink "$filename.pst"; 1063 aio_unlink "$filename.pst";
883 } 1064 }
884 } 1065 };
1066
1067 undef $guard;
885} 1068}
886 1069
887sub object_freezer_as_string { 1070sub object_freezer_as_string {
888 my ($rdata, $objs) = @_; 1071 my ($rdata, $objs) = @_;
889 1072
894 1077
895sub object_thawer_load { 1078sub object_thawer_load {
896 my ($filename) = @_; 1079 my ($filename) = @_;
897 1080
898 my ($data, $av); 1081 my ($data, $av);
1082
1083 my $guard = cf::lock_acquire "io";
899 1084
900 (aio_load $filename, $data) >= 0 1085 (aio_load $filename, $data) >= 0
901 or return; 1086 or return;
902 1087
903 unless (aio_stat "$filename.pst") { 1088 unless (aio_stat "$filename.pst") {
904 (aio_load "$filename.pst", $av) >= 0 1089 (aio_load "$filename.pst", $av) >= 0
905 or return; 1090 or return;
1091
1092 undef $guard;
906 $av = eval { (Storable::thaw $av)->{objs} }; 1093 $av = eval { (Storable::thaw $av)->{objs} };
907 } 1094 }
908 1095
1096 utf8::decode (my $decname = $filename);
909 warn sprintf "loading %s (%d)\n", 1097 warn sprintf "loading %s (%d,%d)\n",
910 $filename, length $data, scalar @{$av || []};#d# 1098 $decname, length $data, scalar @{$av || []};
1099
911 return ($data, $av); 1100 ($data, $av)
912} 1101}
1102
1103=head2 COMMAND CALLBACKS
1104
1105=over 4
1106
1107=cut
913 1108
914############################################################################# 1109#############################################################################
915# command handling &c 1110# command handling &c
916 1111
917=item cf::register_command $name => \&callback($ob,$args); 1112=item cf::register_command $name => \&callback($ob,$args);
930 push @{ $COMMAND{$name} }, [$caller, $cb]; 1125 push @{ $COMMAND{$name} }, [$caller, $cb];
931} 1126}
932 1127
933=item cf::register_extcmd $name => \&callback($pl,$packet); 1128=item cf::register_extcmd $name => \&callback($pl,$packet);
934 1129
935Register a callbackf ro execution when the client sends an extcmd packet. 1130Register a callback for execution when the client sends an (synchronous)
1131extcmd packet. Ext commands will be processed in the order they are
1132received by the server, like other user commands. The first argument is
1133the logged-in player. Ext commands can only be processed after a player
1134has logged in successfully.
936 1135
937If the callback returns something, it is sent back as if reply was being 1136If the callback returns something, it is sent back as if reply was being
938called. 1137called.
939 1138
1139=item cf::register_exticmd $name => \&callback($ns,$packet);
1140
1141Register a callback for execution when the client sends an (asynchronous)
1142exticmd packet. Exti commands are processed by the server as soon as they
1143are received, i.e. out of order w.r.t. other commands. The first argument
1144is a client socket. Exti commands can be received anytime, even before
1145log-in.
1146
1147If the callback returns something, it is sent back as if reply was being
1148called.
1149
940=cut 1150=cut
941 1151
942sub register_extcmd { 1152sub register_extcmd {
943 my ($name, $cb) = @_; 1153 my ($name, $cb) = @_;
944 1154
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 1155 $EXTCMD{$name} = $cb;
1156}
1157
1158sub register_exticmd {
1159 my ($name, $cb) = @_;
1160
1161 $EXTICMD{$name} = $cb;
949} 1162}
950 1163
951cf::player->attach ( 1164cf::player->attach (
952 on_command => sub { 1165 on_command => sub {
953 my ($pl, $name, $params) = @_; 1166 my ($pl, $name, $params) = @_;
962 cf::override; 1175 cf::override;
963 }, 1176 },
964 on_extcmd => sub { 1177 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1178 my ($pl, $buf) = @_;
966 1179
967 my $msg = eval { from_json $buf }; 1180 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1181
969 if (ref $msg) { 1182 if (ref $msg) {
1183 my ($type, $reply, @payload) =
1184 "ARRAY" eq ref $msg
1185 ? @$msg
1186 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1187
1188 my @reply;
1189
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1190 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 1191 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1192 }
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196
975 } else { 1197 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1199 }
978 1200
979 cf::override; 1201 cf::override;
980 }, 1202 },
981); 1203);
982 1204
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension {
990 my ($path) = @_;
991
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1;
994 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg";
997
998 warn "loading '$path' into '$pkg'\n";
999
1000 open my $fh, "<:utf8", $path
1001 or die "$path: $!";
1002
1003 my $source =
1004 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> })
1007 . "\n};\n1";
1008
1009 eval $source
1010 or die $@ ? "$path: $@\n"
1011 : "extension disabled.\n";
1012
1013 push @exts, $pkg;
1014 $ext_pkg{$base} = $pkg;
1015
1016# no strict 'refs';
1017# @{"$pkg\::ISA"} = ext::;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# }
1032
1033 # remove commands
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057}
1058
1059sub load_extensions { 1205sub load_extensions {
1206 cf::sync_job {
1207 my %todo;
1208
1060 for my $ext (<$LIBDIR/*.ext>) { 1209 for my $path (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 1210 next unless -r $path;
1062 eval { 1211
1063 load_extension $ext; 1212 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1213 my $base = $1;
1214 my $pkg = $1;
1215 $pkg =~ s/[^[:word:]]/_/g;
1216 $pkg = "ext::$pkg";
1217
1218 open my $fh, "<:utf8", $path
1219 or die "$path: $!";
1220
1221 my $source = do { local $/; <$fh> };
1222
1223 my %ext = (
1224 path => $path,
1225 base => $base,
1226 pkg => $pkg,
1227 );
1228
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231
1232 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n"
1234 . "#line 1 \"$path\"\n{\n"
1235 . $source
1236 . "\n};\n1";
1237
1238 $todo{$base} = \%ext;
1239 }
1240
1241 my %done;
1242 while (%todo) {
1243 my $progress;
1244
1245 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip
1248 unless exists $done{$_};
1249 }
1250
1251 warn "... loading '$k' into '$v->{pkg}'\n";
1252
1253 unless (eval $v->{source}) {
1254 my $msg = $@ ? "$v->{path}: $@\n"
1255 : "$v->{base}: extension inactive.\n";
1256
1257 if (exists $v->{meta}{mandatory}) {
1258 warn $msg;
1259 warn "mandatory extension failed to load, exiting.\n";
1260 exit 1;
1261 }
1262
1263 warn $msg;
1264 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
1064 1 1269 }
1065 } or warn "$ext not loaded: $@"; 1270
1271 skip:
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1273 unless $progress;
1274 }
1066 } 1275 };
1067} 1276}
1068 1277
1069############################################################################# 1278#############################################################################
1070# load/save/clean perl data associated with a map
1071 1279
1072*cf::mapsupport::on_clean = sub { 1280=back
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 1281
1085=head2 CORE EXTENSIONS 1282=head2 CORE EXTENSIONS
1086 1283
1087Functions and methods that extend core crossfire objects. 1284Functions and methods that extend core crossfire objects.
1088 1285
1094 1291
1095=head3 cf::player 1292=head3 cf::player
1096 1293
1097=over 4 1294=over 4
1098 1295
1296=item cf::player::num_playing
1297
1298Returns the official number of playing players, as per the Crossfire metaserver rules.
1299
1300=cut
1301
1302sub num_playing {
1303 scalar grep
1304 $_->ob->map
1305 && !$_->hidden
1306 && !$_->ob->flag (cf::FLAG_WIZ),
1307 cf::player::list
1308}
1309
1099=item cf::player::find $login 1310=item cf::player::find $login
1100 1311
1101Returns the given player object, loading it if necessary (might block). 1312Returns the given player object, loading it if necessary (might block).
1102 1313
1103=cut 1314=cut
1104 1315
1105sub playerdir($) { 1316sub playerdir($) {
1106 cf::localdir 1317 "$PLAYERDIR/"
1107 . "/"
1108 . cf::playerdir
1109 . "/"
1110 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1318 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1111} 1319}
1112 1320
1113sub path($) { 1321sub path($) {
1114 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1322 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115 1323
1116 (playerdir $login) . "/$login.pl" 1324 (playerdir $login) . "/playerdata"
1117} 1325}
1118 1326
1119sub find_active($) { 1327sub find_active($) {
1120 $cf::PLAYER{$_[0]} 1328 $cf::PLAYER{$_[0]}
1121 and $cf::PLAYER{$_[0]}->active 1329 and $cf::PLAYER{$_[0]}->active
1124 1332
1125sub exists($) { 1333sub exists($) {
1126 my ($login) = @_; 1334 my ($login) = @_;
1127 1335
1128 $cf::PLAYER{$login} 1336 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 1337 or cf::sync_job { !aio_stat path $login }
1130} 1338}
1131 1339
1132sub find($) { 1340sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 1341 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 1342 my $login = $_[0];
1135 1343
1136 my $guard = cf::lock_acquire "user_find:$login"; 1344 my $guard = cf::lock_acquire "user_find:$login";
1137 1345
1138 $cf::PLAYER{$_[0]} || do { 1346 $cf::PLAYER{$_[0]} || do {
1139 my $pl = load_pl path $login 1347 # rename old playerfiles to new ones
1348 #TODO: remove when no longer required
1349 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1350 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1351 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1352 aio_unlink +(playerdir $login) . "/$login.pl";
1353
1354 my $f = new_from_file cf::object::thawer path $login
1140 or return; 1355 or return;
1356
1357 $f->next;
1358 my $pl = cf::player::load_pl $f
1359 or return;
1360 local $cf::PLAYER_LOADING{$login} = $pl;
1361 $f->resolve_delayed_derefs;
1141 $cf::PLAYER{$login} = $pl 1362 $cf::PLAYER{$login} = $pl
1142 } 1363 }
1143 } 1364 }
1144} 1365}
1145 1366
1155 1376
1156 aio_mkdir playerdir $pl, 0770; 1377 aio_mkdir playerdir $pl, 0770;
1157 $pl->{last_save} = $cf::RUNTIME; 1378 $pl->{last_save} = $cf::RUNTIME;
1158 1379
1159 $pl->save_pl ($path); 1380 $pl->save_pl ($path);
1160 Coro::cede; 1381 cf::cede_to_tick;
1161} 1382}
1162 1383
1163sub new($) { 1384sub new($) {
1164 my ($login) = @_; 1385 my ($login) = @_;
1165 1386
1171 $cf::PLAYER{$login} = $self; 1392 $cf::PLAYER{$login} = $self;
1172 1393
1173 $self 1394 $self
1174} 1395}
1175 1396
1397=item $player->send_msg ($channel, $msg, $color, [extra...])
1398
1399=cut
1400
1401sub send_msg {
1402 my $ns = shift->ns
1403 or return;
1404 $ns->send_msg (@_);
1405}
1406
1176=item $pl->quit_character 1407=item $pl->quit_character
1177 1408
1178Nukes the player without looking back. If logged in, the connection will 1409Nukes the player without looking back. If logged in, the connection will
1179be destroyed. May block for a long time. 1410be destroyed. May block for a long time.
1180 1411
1181=cut 1412=cut
1182 1413
1183sub quit_character { 1414sub quit_character {
1184 my ($pl) = @_; 1415 my ($pl) = @_;
1416
1417 my $name = $pl->ob->name;
1185 1418
1186 $pl->{deny_save} = 1; 1419 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1420 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1421
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1422 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1194 my $path = playerdir $pl; 1427 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1428 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1429 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1430 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1431 $pl->destroy;
1432
1433 my $prefix = qr<^~\Q$name\E/>;
1434
1435 # nuke player maps
1436 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1437
1199 IO::AIO::aio_rmtree $temp; 1438 IO::AIO::aio_rmtree $temp;
1439}
1440
1441=item $pl->kick
1442
1443Kicks a player out of the game. This destroys the connection.
1444
1445=cut
1446
1447sub kick {
1448 my ($pl, $kicker) = @_;
1449
1450 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1451 $pl->killer ("kicked");
1452 $pl->ns->destroy;
1200} 1453}
1201 1454
1202=item cf::player::list_logins 1455=item cf::player::list_logins
1203 1456
1204Returns am arrayref of all valid playernames in the system, can take a 1457Returns am arrayref of all valid playernames in the system, can take a
1205while and may block, so not sync_job-capable, ever. 1458while and may block, so not sync_job-capable, ever.
1206 1459
1207=cut 1460=cut
1208 1461
1209sub list_logins { 1462sub list_logins {
1210 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1463 my $dirs = aio_readdir $PLAYERDIR
1211 or return []; 1464 or return [];
1212 1465
1213 my @logins; 1466 my @logins;
1214 1467
1215 for my $login (@$dirs) { 1468 for my $login (@$dirs) {
1469 my $path = path $login;
1470
1471 # a .pst is a dead give-away for a valid player
1472 unless (-e "$path.pst") {
1216 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217 aio_read $fh, 0, 512, my $buf, 0 or next; 1474 aio_read $fh, 0, 512, my $buf, 0 or next;
1218 $buf !~ /^password -------------$/m or next; # official not-valid tag 1475 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 }
1219 1477
1220 utf8::decode $login; 1478 utf8::decode $login;
1221 push @logins, $login; 1479 push @logins, $login;
1222 } 1480 }
1223 1481
1224 \@logins 1482 \@logins
1225} 1483}
1226 1484
1227=item $player->maps 1485=item $player->maps
1228 1486
1229Returns an arrayref of cf::path's of all maps that are private for this 1487Returns an arrayref of map paths that are private for this
1230player. May block. 1488player. May block.
1231 1489
1232=cut 1490=cut
1233 1491
1234sub maps($) { 1492sub maps($) {
1235 my ($pl) = @_; 1493 my ($pl) = @_;
1494
1495 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1496
1237 my $files = aio_readdir playerdir $pl 1497 my $files = aio_readdir playerdir $pl
1238 or return; 1498 or return;
1239 1499
1240 my @paths; 1500 my @paths;
1241 1501
1242 for (@$files) { 1502 for (@$files) {
1243 utf8::decode $_; 1503 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1504 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1505 next unless /^$PATH_SEP/o;
1246 1506
1247 s/$PATH_SEP/\//g; 1507 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1508 }
1250 1509
1251 \@paths 1510 \@paths
1252} 1511}
1253 1512
1513=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1514
1515Expand crossfire pod fragments into protocol xml.
1516
1517=cut
1518
1519sub expand_cfpod {
1520 ((my $self), (local $_)) = @_;
1521
1522 # escape & and <
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525
1526 # this is buggy, it needs to properly take care of nested <'s
1527
1528 1 while
1529 # replace B<>, I<>, U<> etc.
1530 s/B<([^\>]*)>/<b>$1<\/b>/
1531 || s/I<([^\>]*)>/<i>$1<\/i>/
1532 || s/U<([^\>]*)>/<u>$1<\/u>/
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534 # replace G<male|female> tags
1535 || s{G<([^>|]*)\|([^>]*)>}{
1536 $self->gender ? $2 : $1
1537 }ge
1538 # replace H<hint text>
1539 || s{H<([^\>]*)>}
1540 {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "")
1544 [$self->{hintmode}]
1545 }ge;
1546
1547 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g;
1549
1550 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines
1555
1556 $_
1557}
1558
1559sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode}
1562}
1563
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1564=item $player->ext_reply ($msgid, @msg)
1255 1565
1256Sends an ext reply to the player. 1566Sends an ext reply to the player.
1257 1567
1258=cut 1568=cut
1259 1569
1260sub ext_reply($$$%) { 1570sub ext_reply($$@) {
1261 my ($self, $id, %msg) = @_; 1571 my ($self, $id, @msg) = @_;
1262 1572
1263 $msg{msgid} = $id; 1573 $self->ns->ext_reply ($id, @msg)
1264
1265 $self->send ("ext " . cf::to_json \%msg);
1266} 1574}
1267 1575
1268package cf; 1576=item $player->ext_msg ($type, @msg)
1577
1578Sends an ext event to the client.
1579
1580=cut
1581
1582sub ext_msg($$@) {
1583 my ($self, $type, @msg) = @_;
1584
1585 $self->ns->ext_msg ($type, @msg);
1586}
1587
1588=head3 cf::region
1589
1590=over 4
1591
1592=cut
1593
1594package cf::region;
1595
1596=item cf::region::find_by_path $path
1597
1598Tries to decuce the likely region for a map knowing only its path.
1599
1600=cut
1601
1602sub find_by_path($) {
1603 my ($path) = @_;
1604
1605 my ($match, $specificity);
1606
1607 for my $region (list) {
1608 if ($region->{match} && $path =~ $region->{match}) {
1609 ($match, $specificity) = ($region, $region->specificity)
1610 if $region->specificity > $specificity;
1611 }
1612 }
1613
1614 $match
1615}
1269 1616
1270=back 1617=back
1271
1272 1618
1273=head3 cf::map 1619=head3 cf::map
1274 1620
1275=over 4 1621=over 4
1276 1622
1279package cf::map; 1625package cf::map;
1280 1626
1281use Fcntl; 1627use Fcntl;
1282use Coro::AIO; 1628use Coro::AIO;
1283 1629
1630use overload
1631 '""' => \&as_string,
1632 fallback => 1;
1633
1284our $MAX_RESET = 3600; 1634our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1635our $DEFAULT_RESET = 3000;
1286 1636
1287sub generate_random_map { 1637sub generate_random_map {
1288 my ($path, $rmp) = @_; 1638 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1639 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1640 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1644 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1645 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1646 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1647 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1648 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1649 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1650 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1651 (cf::region::find $rmp->{region}), $rmp->{custom}
1652 )
1653}
1654
1655=item cf::map->register ($regex, $prio)
1656
1657Register a handler for the map path matching the given regex at the
1658givne priority (higher is better, built-in handlers have priority 0, the
1659default).
1660
1661=cut
1662
1663sub register {
1664 my (undef, $regex, $prio) = @_;
1665 my $pkg = caller;
1666
1667 no strict;
1668 push @{"$pkg\::ISA"}, __PACKAGE__;
1669
1670 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671}
1672
1673# also paths starting with '/'
1674$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1675
1676sub thawer_merge {
1677 my ($self, $merge) = @_;
1678
1679 # we have to keep some variables in memory intact
1680 local $self->{path};
1681 local $self->{load_path};
1682
1683 $self->SUPER::thawer_merge ($merge);
1684}
1685
1686sub normalise {
1687 my ($path, $base) = @_;
1688
1689 $path = "$path"; # make sure its a string
1690
1691 $path =~ s/\.map$//;
1692
1693 # map plan:
1694 #
1695 # /! non-realised random map exit (special hack!)
1696 # {... are special paths that are not being touched
1697 # ?xxx/... are special absolute paths
1698 # ?random/... random maps
1699 # /... normal maps
1700 # ~user/... per-player map of a specific user
1701
1702 $path =~ s/$PATH_SEP/\//go;
1703
1704 # treat it as relative path if it starts with
1705 # something that looks reasonable
1706 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1707 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1708
1709 $base =~ s{[^/]+/?$}{};
1710 $path = "$base/$path";
1711 }
1712
1713 for ($path) {
1714 redo if s{//}{/};
1715 redo if s{/\.?/}{/};
1716 redo if s{/[^/]+/\.\./}{/};
1717 }
1718
1719 $path
1720}
1721
1722sub new_from_path {
1723 my (undef, $path, $base) = @_;
1724
1725 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1726
1727 $path = normalise $path, $base;
1728
1729 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1730 if ($path =~ $EXT_MAP{$pkg}[1]) {
1731 my $self = bless cf::map::new, $pkg;
1732 $self->{path} = $path; $self->path ($path);
1733 $self->init; # pass $1 etc.
1734 return $self;
1735 }
1736 }
1737
1738 Carp::cluck "unable to resolve path '$path' (base '$base').";
1739 ()
1740}
1741
1742sub init {
1743 my ($self) = @_;
1744
1745 $self
1746}
1747
1748sub as_string {
1749 my ($self) = @_;
1750
1751 "$self->{path}"
1752}
1753
1754# the displayed name, this is a one way mapping
1755sub visible_name {
1756 &as_string
1757}
1758
1759# the original (read-only) location
1760sub load_path {
1761 my ($self) = @_;
1762
1763 "$MAPDIR/$self->{path}.map"
1764}
1765
1766# the temporary/swap location
1767sub save_path {
1768 my ($self) = @_;
1769
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1771 "$TMPDIR/$path.map"
1772}
1773
1774# the unique path, undef == no special unique path
1775sub uniq_path {
1776 my ($self) = @_;
1777
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1779 "$UNIQUEDIR/$path"
1304} 1780}
1305 1781
1306# and all this just because we cannot iterate over 1782# and all this just because we cannot iterate over
1307# all maps in C++... 1783# all maps in C++...
1308sub change_all_map_light { 1784sub change_all_map_light {
1310 1786
1311 $_->change_map_light ($change) 1787 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1788 for grep $_->outdoor, values %cf::MAP;
1313} 1789}
1314 1790
1791sub decay_objects {
1792 my ($self) = @_;
1793
1794 return if $self->{deny_reset};
1795
1796 $self->do_decay_objects;
1797}
1798
1799sub unlink_save {
1800 my ($self) = @_;
1801
1802 utf8::encode (my $save = $self->save_path);
1803 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1804 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1805}
1806
1315sub try_load_header($) { 1807sub load_header_from($) {
1316 my ($path) = @_; 1808 my ($self, $path) = @_;
1317 1809
1318 utf8::encode $path; 1810 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1811 my $f = new_from_file cf::object::thawer $path
1320 or return; 1812 or return;
1321 1813
1322 my $map = cf::map::new 1814 $self->_load_header ($f)
1323 or return; 1815 or return;
1324 1816
1325 # for better error messages only, will be overwritten 1817 local $MAP_LOADING{$self->{path}} = $self;
1326 $map->path ($path); 1818 $f->resolve_delayed_derefs;
1327 1819
1328 $map->load_header ($path) 1820 $self->{load_path} = $path;
1821
1822 1
1823}
1824
1825sub load_header_orig {
1826 my ($self) = @_;
1827
1828 $self->load_header_from ($self->load_path)
1829}
1830
1831sub load_header_temp {
1832 my ($self) = @_;
1833
1834 $self->load_header_from ($self->save_path)
1835}
1836
1837sub prepare_temp {
1838 my ($self) = @_;
1839
1840 $self->last_access ((delete $self->{last_access})
1841 || $cf::RUNTIME); #d#
1842 # safety
1843 $self->{instantiate_time} = $cf::RUNTIME
1844 if $self->{instantiate_time} > $cf::RUNTIME;
1845}
1846
1847sub prepare_orig {
1848 my ($self) = @_;
1849
1850 $self->{load_original} = 1;
1851 $self->{instantiate_time} = $cf::RUNTIME;
1852 $self->last_access ($cf::RUNTIME);
1853 $self->instantiate;
1854}
1855
1856sub load_header {
1857 my ($self) = @_;
1858
1859 if ($self->load_header_temp) {
1860 $self->prepare_temp;
1861 } else {
1862 $self->load_header_orig
1329 or return; 1863 or return;
1864 $self->prepare_orig;
1865 }
1330 1866
1331 $map->{load_path} = $path; 1867 $self->{deny_reset} = 1
1868 if $self->no_reset;
1332 1869
1333 $map 1870 $self->default_region (cf::region::find_by_path $self->{path})
1871 unless $self->default_region;
1872
1873 1
1334} 1874}
1335 1875
1336sub find; 1876sub find;
1337sub find { 1877sub find {
1338 my ($path, $origin) = @_; 1878 my ($path, $origin) = @_;
1339 1879
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1880 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1881
1882 cf::lock_wait "map_data:$path";#d#remove
1345 cf::lock_wait "map_find:$key"; 1883 cf::lock_wait "map_find:$path";
1346 1884
1347 $cf::MAP{$key} || do { 1885 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1886 my $guard1 = cf::lock_acquire "map_find:$path";
1887 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349 1888
1350 # do it the slow way 1889 my $map = new_from_path cf::map $path
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1890 or return;
1369 1891
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1892 $map->{last_save} = $cf::RUNTIME;
1382 1893
1383 Coro::cede; 1894 $map->load_header
1895 or return;
1384 1896
1385 if ($map->should_reset) { 1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898 # doing this can freeze the server in a sync job, obviously
1899 #$cf::WAIT_FOR_TICK->wait;
1900 undef $guard1;
1901 undef $guard2;
1386 $map->reset; 1902 $map->reset;
1387 undef $guard;
1388 $map = find $path 1903 return find $path;
1389 or return;
1390 } 1904 }
1391 1905
1392 $cf::MAP{$key} = $map 1906 $cf::MAP{$path} = $map
1393 } 1907 }
1394} 1908}
1909
1910sub pre_load { }
1911sub post_load { }
1395 1912
1396sub load { 1913sub load {
1397 my ($self) = @_; 1914 my ($self) = @_;
1398 1915
1916 local $self->{deny_reset} = 1; # loading can take a long time
1917
1399 my $path = $self->{path}; 1918 my $path = $self->{path};
1919
1920 {
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1921 my $guard = cf::lock_acquire "map_data:$path";
1401 1922
1923 return unless $self->valid;
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1924 return unless $self->in_memory == cf::MAP_SWAPPED;
1403 1925
1404 $self->in_memory (cf::MAP_LOADING); 1926 $self->in_memory (cf::MAP_LOADING);
1405 1927
1406 $self->alloc; 1928 $self->alloc;
1407 $self->load_objects ($self->{load_path}, 1) 1929
1930 $self->pre_load;
1931 cf::cede_to_tick;
1932
1933 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block;
1935 $self->_load_objects ($f)
1408 or return; 1936 or return;
1409 1937
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1939 if delete $self->{load_original};
1412 1940
1413 if (my $uniq = $path->uniq_path) { 1941 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1942 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1943 unless (aio_stat $uniq) {
1944 if (my $f = new_from_file cf::object::thawer $uniq) {
1416 $self->clear_unique_items; 1945 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1946 $self->_load_objects ($f);
1947 $f->resolve_delayed_derefs;
1948 }
1418 } 1949 }
1419 } 1950 }
1420 1951
1421 Coro::cede; 1952 $f->resolve_delayed_derefs;
1422 1953
1954 cf::cede_to_tick;
1423 # now do the right thing for maps 1955 # now do the right thing for maps
1424 $self->link_multipart_objects; 1956 $self->link_multipart_objects;
1425
1426 if ($self->{path}->is_style_map) {
1427 $self->{deny_save} = 1;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons;
1433 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1957 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1958 unless $self->difficulty;
1959 cf::cede_to_tick;
1960
1961 unless ($self->{deny_activate}) {
1962 $self->decay_objects;
1963 $self->fix_auto_apply;
1964 $self->update_buttons;
1965 cf::cede_to_tick;
1966 $self->set_darkness_map;
1967 cf::cede_to_tick;
1436 $self->activate; 1968 $self->activate;
1437 } 1969 }
1438 1970
1439 Coro::cede; 1971 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME);
1440 1973
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1974 $self->in_memory (cf::MAP_IN_MEMORY);
1975 }
1976
1977 $self->post_load;
1978}
1979
1980sub customise_for {
1981 my ($self, $ob) = @_;
1982
1983 return find "~" . $ob->name . "/" . $self->{path}
1984 if $self->per_player;
1985
1986# return find "?party/" . $ob->name . "/" . $self->{path}
1987# if $self->per_party;
1988
1989 $self
1442} 1990}
1443 1991
1444# find and load all maps in the 3x3 area around a map 1992# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1993sub load_neighbours {
1446 my ($map) = @_; 1994 my ($map) = @_;
1447 1995
1448 my @diag; # diagonal neighbours 1996 my @neigh; # diagonal neighbours
1449 1997
1450 for (0 .. 3) { 1998 for (0 .. 3) {
1451 my $neigh = $map->tile_path ($_) 1999 my $neigh = $map->tile_path ($_)
1452 or next; 2000 or next;
1453 $neigh = find $neigh, $map 2001 $neigh = find $neigh, $map
1454 or next; 2002 or next;
1455 $neigh->load; 2003 $neigh->load;
1456 2004
2005 push @neigh,
1457 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2006 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1458 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2007 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1459 } 2008 }
1460 2009
1461 for (@diag) { 2010 for (grep defined $_->[0], @neigh) {
2011 my ($path, $origin) = @$_;
1462 my $neigh = find @$_ 2012 my $neigh = find $path, $origin
1463 or next; 2013 or next;
1464 $neigh->load; 2014 $neigh->load;
1465 } 2015 }
1466} 2016}
1467 2017
1472} 2022}
1473 2023
1474sub do_load_sync { 2024sub do_load_sync {
1475 my ($map) = @_; 2025 my ($map) = @_;
1476 2026
2027 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2028 if $Coro::current == $Coro::main;
2029
1477 cf::sync_job { $map->load }; 2030 cf::sync_job { $map->load };
1478} 2031}
1479 2032
1480our %MAP_PREFETCH; 2033our %MAP_PREFETCH;
2034our $MAP_PREFETCHER = undef;
2035
2036sub find_async {
2037 my ($path, $origin, $load) = @_;
2038
2039 $path = normalise $path, $origin && $origin->{path};
2040
2041 if (my $map = $cf::MAP{$path}) {
2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2043 }
2044
2045 $MAP_PREFETCH{$path} |= $load;
2046
1481our $MAP_PREFETCHER = Coro::async { 2047 $MAP_PREFETCHER ||= cf::async {
1482 while () {
1483 while (%MAP_PREFETCH) { 2048 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH 2049 while (my ($k, $v) = each %MAP_PREFETCH) {
1485 or next; 2050 if (my $map = find $k) {
2051 $map->load if $v;
2052 }
2053
1486 my $path = delete $MAP_PREFETCH{$key}; 2054 delete $MAP_PREFETCH{$k};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 } 2055 }
1492 Coro::schedule; 2056 }
2057 undef $MAP_PREFETCHER;
1493 } 2058 };
1494};
1495
1496sub find_async {
1497 my ($path, $origin) = @_;
1498
1499 $path = new cf::path $path, $origin && $origin->path;
1500 my $key = $path->as_string;
1501
1502 if (my $map = $cf::MAP{$key}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 }
1505
1506 $MAP_PREFETCH{$key} = $path;
1507 $MAP_PREFETCHER->ready; 2059 $MAP_PREFETCHER->prio (6);
1508 2060
1509 () 2061 ()
1510} 2062}
1511 2063
1512sub save { 2064sub save {
1513 my ($self) = @_; 2065 my ($self) = @_;
1514 2066
1515 my $lock = cf::lock_acquire "map_data:" . $self->path; 2067 my $lock = cf::lock_acquire "map_data:$self->{path}";
1516 2068
1517 $self->{last_save} = $cf::RUNTIME; 2069 $self->{last_save} = $cf::RUNTIME;
1518 2070
1519 return unless $self->dirty; 2071 return unless $self->dirty;
1520 2072
1521 my $save = $self->{path}->save_path; utf8::encode $save; 2073 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2074 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 2075
1524 $self->{load_path} = $save; 2076 $self->{load_path} = $save;
1525 2077
1526 return if $self->{deny_save}; 2078 return if $self->{deny_save};
1527 2079
1530 cf::async { 2082 cf::async {
1531 $_->contr->save for $self->players; 2083 $_->contr->save for $self->players;
1532 }; 2084 };
1533 2085
1534 if ($uniq) { 2086 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2087 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 2088 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 2089 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2090 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 2091 }
1540} 2092}
1541 2093
1542sub swap_out { 2094sub swap_out {
1543 my ($self) = @_; 2095 my ($self) = @_;
1544 2096
1545 # save first because save cedes 2097 # save first because save cedes
1546 $self->save; 2098 $self->save;
1547 2099
1548 my $lock = cf::lock_acquire "map_data:" . $self->path; 2100 my $lock = cf::lock_acquire "map_data:$self->{path}";
1549 2101
1550 return if $self->players; 2102 return if $self->players;
1551 return if $self->in_memory != cf::MAP_IN_MEMORY; 2103 return if $self->in_memory != cf::MAP_IN_MEMORY;
1552 return if $self->{deny_save}; 2104 return if $self->{deny_save};
1553 2105
2106 $self->in_memory (cf::MAP_SWAPPED);
2107
2108 $self->deactivate;
2109 $_->clear_links_to ($self) for values %cf::MAP;
1554 $self->clear; 2110 $self->clear;
1555 $self->in_memory (cf::MAP_SWAPPED);
1556} 2111}
1557 2112
1558sub reset_at { 2113sub reset_at {
1559 my ($self) = @_; 2114 my ($self) = @_;
1560 2115
1561 # TODO: safety, remove and allow resettable per-player maps 2116 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel};
1563 return 1e99 if $self->{deny_reset}; 2117 return 1e99 if $self->{deny_reset};
1564 2118
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2119 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2120 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 2121
1572 my ($self) = @_; 2126 my ($self) = @_;
1573 2127
1574 $self->reset_at <= $cf::RUNTIME 2128 $self->reset_at <= $cf::RUNTIME
1575} 2129}
1576 2130
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 2131sub reset {
1599 my ($self) = @_; 2132 my ($self) = @_;
1600 2133
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 2134 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 2135
1603 return if $self->players; 2136 return if $self->players;
1604 return if $self->{path}{user_rel};#d#
1605 2137
1606 warn "resetting map ", $self->path;#d# 2138 warn "resetting map ", $self->path;
2139
2140 $self->in_memory (cf::MAP_SWAPPED);
2141
2142 # need to save uniques path
2143 unless ($self->{deny_save}) {
2144 my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2147 if $uniq;
2148 }
1607 2149
1608 delete $cf::MAP{$self->path}; 2150 delete $cf::MAP{$self->path};
1609 2151
2152 $self->deactivate;
1610 $_->clear_links_to ($self) for values %cf::MAP; 2153 $_->clear_links_to ($self) for values %cf::MAP;
2154 $self->clear;
1611 2155
1612 $self->unlink_save; 2156 $self->unlink_save;
1613 $self->destroy; 2157 $self->destroy;
1614} 2158}
1615 2159
1616my $nuke_counter = "aaaa"; 2160my $nuke_counter = "aaaa";
1617 2161
1618sub nuke { 2162sub nuke {
1619 my ($self) = @_; 2163 my ($self) = @_;
1620 2164
2165 {
2166 my $lock = cf::lock_acquire "map_data:$self->{path}";
2167
2168 delete $cf::MAP{$self->path};
2169
2170 $self->unlink_save;
2171
2172 bless $self, "cf::map";
2173 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 2174 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 2175 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 2176 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177
2178 $cf::MAP{$self->path} = $self;
2179 }
2180
1624 $self->reset; # polite request, might not happen 2181 $self->reset; # polite request, might not happen
1625} 2182}
1626 2183
1627sub customise_for { 2184=item $maps = cf::map::tmp_maps
1628 my ($map, $ob) = @_;
1629 2185
1630 if ($map->per_player) { 2186Returns an arrayref with all map paths of currently instantiated and saved
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2187maps. May block.
2188
2189=cut
2190
2191sub tmp_maps() {
1632 } 2192 [
2193 map {
2194 utf8::decode $_;
2195 /\.map$/
2196 ? normalise $_
2197 : ()
2198 } @{ aio_readdir $TMPDIR or [] }
2199 ]
2200}
1633 2201
1634 $map 2202=item $maps = cf::map::random_maps
2203
2204Returns an arrayref with all map paths of currently instantiated and saved
2205random maps. May block.
2206
2207=cut
2208
2209sub random_maps() {
2210 [
2211 map {
2212 utf8::decode $_;
2213 /\.map$/
2214 ? normalise "?random/$_"
2215 : ()
2216 } @{ aio_readdir $RANDOMDIR or [] }
2217 ]
2218}
2219
2220=item cf::map::unique_maps
2221
2222Returns an arrayref of paths of all shared maps that have
2223instantiated unique items. May block.
2224
2225=cut
2226
2227sub unique_maps() {
2228 [
2229 map {
2230 utf8::decode $_;
2231 /\.map$/
2232 ? normalise $_
2233 : ()
2234 } @{ aio_readdir $UNIQUEDIR or [] }
2235 ]
1635} 2236}
1636 2237
1637package cf; 2238package cf;
1638 2239
1639=back 2240=back
1657 map { $_, inv_recursive_ $_->inv } @_ 2258 map { $_, inv_recursive_ $_->inv } @_
1658} 2259}
1659 2260
1660sub inv_recursive { 2261sub inv_recursive {
1661 inv_recursive_ inv $_[0] 2262 inv_recursive_ inv $_[0]
2263}
2264
2265=item $ref = $ob->ref
2266
2267creates and returns a persistent reference to an objetc that can be stored as a string.
2268
2269=item $ob = cf::object::deref ($refstring)
2270
2271returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272even if the object actually exists. May block.
2273
2274=cut
2275
2276sub deref {
2277 my ($ref) = @_;
2278
2279 # temporary compatibility#TODO#remove
2280 $ref =~ s{^<}{player/<};
2281
2282 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return;
2286 $pl->ob->uuid eq $uuid
2287 or return;
2288
2289 $pl->ob
2290 } else {
2291 warn "$ref: cannot resolve object reference\n";
2292 undef
2293 }
1662} 2294}
1663 2295
1664package cf; 2296package cf;
1665 2297
1666=back 2298=back
1685 2317
1686 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2318 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687 2319
1688 if ($self->{record_replies}) { 2320 if ($self->{record_replies}) {
1689 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2321 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2322
1690 } else { 2323 } else {
2324 my $pl = $self->contr;
2325
2326 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2327 my $dialog = $pl->{npc_dialog};
2328 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329
2330 } else {
1691 $msg = $npc->name . " says: $msg" if $npc; 2331 $msg = $npc->name . " says: $msg" if $npc;
1692 $self->message ($msg, $flags); 2332 $self->message ($msg, $flags);
2333 }
1693 } 2334 }
2335}
2336
2337=item $object->send_msg ($channel, $msg, $color, [extra...])
2338
2339=cut
2340
2341sub cf::object::send_msg {
2342 my $pl = shift->contr
2343 or return;
2344 $pl->send_msg (@_);
1694} 2345}
1695 2346
1696=item $player_object->may ("access") 2347=item $player_object->may ("access")
1697 2348
1698Returns wether the given player is authorized to access resource "access" 2349Returns wether the given player is authorized to access resource "access"
1711 2362
1712=item $player_object->enter_link 2363=item $player_object->enter_link
1713 2364
1714Freezes the player and moves him/her to a special map (C<{link}>). 2365Freezes the player and moves him/her to a special map (C<{link}>).
1715 2366
1716The player should be reaosnably safe there for short amounts of time. You 2367The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 2368I<MUST> call C<leave_link> as soon as possible, though.
1718 2369
2370Will never block.
2371
1719=item $player_object->leave_link ($map, $x, $y) 2372=item $player_object->leave_link ($map, $x, $y)
1720 2373
1721Moves the player out of the specila link map onto the given map. If the 2374Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 2375map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 2376to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 2377fails, to the emergency map position.
1725 2378
1726Might block. 2379Might block.
1727 2380
1728=cut 2381=cut
2382
2383sub link_map {
2384 unless ($LINK_MAP) {
2385 $LINK_MAP = cf::map::find "{link}"
2386 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2387 $LINK_MAP->load;
2388 }
2389
2390 $LINK_MAP
2391}
1729 2392
1730sub cf::object::player::enter_link { 2393sub cf::object::player::enter_link {
1731 my ($self) = @_; 2394 my ($self) = @_;
1732 2395
1733 $self->deactivate_recursive; 2396 $self->deactivate_recursive;
1734 2397
1735 return if $self->map == $LINK_MAP; 2398 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 2399
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2400 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 2401 if $self->map && $self->map->{path} ne "{link}";
1739 2402
1740 $self->enter_map ($LINK_MAP, 20, 20); 2403 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 2404}
1742 2405
1743sub cf::object::player::leave_link { 2406sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 2407 my ($self, $map, $x, $y) = @_;
2408
2409 return unless $self->contr->active;
1745 2410
1746 my $link_pos = delete $self->{_link_pos}; 2411 my $link_pos = delete $self->{_link_pos};
1747 2412
1748 unless ($map) { 2413 unless ($map) {
1749 # restore original map position 2414 # restore original map position
1763 # use -1 or undef as default coordinates, not 0, 0 2428 # use -1 or undef as default coordinates, not 0, 0
1764 ($x, $y) = ($map->enter_x, $map->enter_y) 2429 ($x, $y) = ($map->enter_x, $map->enter_y)
1765 if $x <=0 && $y <= 0; 2430 if $x <=0 && $y <= 0;
1766 2431
1767 $map->load; 2432 $map->load;
1768 $map->load_diag; 2433 $map->load_neighbours;
1769 2434
1770 return unless $self->contr->active; 2435 return unless $self->contr->active;
1771 $self->activate_recursive; 2436 $self->activate_recursive;
2437
2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 2439 $self->enter_map ($map, $x, $y);
1773} 2440}
1774 2441
1775cf::player->attach ( 2442=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776 on_logout => sub {
1777 my ($pl) = @_;
1778 2443
1779 # abort map switching before logout 2444Moves the player to the given map-path and coordinates by first freezing
1780 if ($pl->ob->{_link_pos}) { 2445her, loading and preparing them map, calling the provided $check callback
1781 cf::sync_job { 2446that has to return the map if sucecssful, and then unfreezes the player on
1782 $pl->ob->leave_link 2447the new (success) or old (failed) map position. In either case, $done will
1783 }; 2448be called at the end of this process.
1784 }
1785 },
1786 on_login => sub {
1787 my ($pl) = @_;
1788 2449
1789 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link;
1793 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED);
1800 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link;
1802 })->prio (2);
1803 }
1804 },
1805);
1806
1807=item $player_object->goto ($path, $x, $y)
1808
1809=cut 2450=cut
2451
2452our $GOTOGEN;
1810 2453
1811sub cf::object::player::goto { 2454sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 2455 my ($self, $path, $x, $y, $check, $done) = @_;
1813 2456
1814 $path = new cf::path $path; 2457 # do generation counting so two concurrent goto's will be executed in-order
1815 $path ne "/" or Carp::cluck ("oy");#d# 2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816 2459
1817 $self->enter_link; 2460 $self->enter_link;
1818 2461
1819 (async { 2462 (async {
1820 my $map = cf::map::find $path->as_string; 2463 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs];
2467
2468 # see if we actually can go there
2469 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470 $ob = $obs[rand @obs];
2471 } else {
2472 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2473 }
2474 # else put us there anyways for now #d#
2475
2476 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2477 } else {
2478 ($path, $x, $y) = (undef, undef, undef);
2479 }
2480 }
2481
2482 my $map = eval {
2483 my $map = defined $path ? cf::map::find $path : undef;
2484
2485 if ($map) {
1821 $map = $map->customise_for ($self) if $map; 2486 $map = $map->customise_for ($self);
1822 2487 $map = $check->($map) if $check && $map;
1823# warn "entering ", $map->path, " at ($x, $y)\n" 2488 } else {
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2489 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490 }
1827 2491
2492 $map
2493 };
2494
2495 if ($@) {
2496 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2497 LOG llevError | logBacktrace, Carp::longmess $@;
2498 }
2499
2500 if ($gen == $self->{_goto_generation}) {
2501 delete $self->{_goto_generation};
1828 $self->leave_link ($map, $x, $y); 2502 $self->leave_link ($map, $x, $y);
2503 }
2504
2505 $done->() if $done;
1829 })->prio (1); 2506 })->prio (1);
1830} 2507}
1831 2508
1832=item $player_object->enter_exit ($exit_object) 2509=item $player_object->enter_exit ($exit_object)
1833 2510
1835 2512
1836sub parse_random_map_params { 2513sub parse_random_map_params {
1837 my ($spec) = @_; 2514 my ($spec) = @_;
1838 2515
1839 my $rmp = { # defaults 2516 my $rmp = { # defaults
1840 xsize => 10, 2517 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 2518 ysize => (cf::rndm 15, 40),
2519 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2520 #layout => string,
1842 }; 2521 };
1843 2522
1844 for (split /\n/, $spec) { 2523 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 2524 my ($k, $v) = split /\s+/, $_, 2;
1846 2525
1850 $rmp 2529 $rmp
1851} 2530}
1852 2531
1853sub prepare_random_map { 2532sub prepare_random_map {
1854 my ($exit) = @_; 2533 my ($exit) = @_;
2534
2535 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 2536
1856 # all this does is basically replace the /! path by 2537 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 2538 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 2539 # that depends on the exit object
1859 2540
1860 my $rmp = parse_random_map_params $exit->msg; 2541 my $rmp = parse_random_map_params $exit->msg;
1861 2542
1862 if ($exit->map) { 2543 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 2544 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 2545 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 2546 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 2547 $rmp->{origin_y} = $exit->y;
1867 } 2548 }
1868 2549
1869 $rmp->{random_seed} ||= $exit->random_seed; 2550 $rmp->{random_seed} ||= $exit->random_seed;
1870 2551
1871 my $data = cf::to_json $rmp; 2552 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 2553 my $md5 = Digest::MD5::md5_hex $data;
2554 my $meta = "$RANDOMDIR/$md5.meta";
1873 2555
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2556 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 2557 aio_write $fh, 0, (length $data), $data, 0;
2558 undef $fh;
2559 aio_rename "$meta~", $meta;
1876 2560
1877 $exit->slaying ("?random/$md5"); 2561 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 2562 $exit->msg (undef);
1879 } 2563 }
1880} 2564}
1882sub cf::object::player::enter_exit { 2566sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 2567 my ($self, $exit) = @_;
1884 2568
1885 return unless $self->type == cf::PLAYER; 2569 return unless $self->type == cf::PLAYER;
1886 2570
2571 if ($exit->slaying eq "/!") {
2572 #TODO: this should de-fi-ni-te-ly not be a sync-job
2573 # the problem is that $exit might not survive long enough
2574 # so it needs to be done right now, right here
2575 cf::sync_job { prepare_random_map $exit };
2576 }
2577
2578 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579 my $hp = $exit->stats->hp;
2580 my $sp = $exit->stats->sp;
2581
1887 $self->enter_link; 2582 $self->enter_link;
2583
2584 # if exit is damned, update players death & WoR home-position
2585 $self->contr->savebed ($slaying, $hp, $sp)
2586 if $exit->flag (FLAG_DAMNED);
1888 2587
1889 (async { 2588 (async {
1890 $self->deactivate_recursive; # just to be sure 2589 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 2590 unless (eval {
1892 prepare_random_map $exit 2591 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 2592
1898 1; 2593 1;
1899 }) { 2594 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 2595 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "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. "
1902 . "Please report this to the dungeon master", 2597 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 2598 cf::NDI_UNIQUE | cf::NDI_RED);
1904 2599
1905 warn "ERROR in enter_exit: $@"; 2600 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 2601 $self->leave_link;
1907 } 2602 }
1908 })->prio (1); 2603 })->prio (1);
1921 2616
1922sub cf::client::send_drawinfo { 2617sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2618 my ($self, $text, $flags) = @_;
1924 2619
1925 utf8::encode $text; 2620 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2621 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2622}
1928 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<$color> is negative, suppress
2629the message unless the client supports the msg packet.
2630
2631=cut
2632
2633our %CHANNEL = (
2634 "c/identify" => {
2635 id => "identify",
2636 title => "Identify",
2637 reply => undef,
2638 tooltip => "Items recently identified",
2639 },
2640 "c/examine" => {
2641 id => "examine",
2642 title => "Examine",
2643 reply => undef,
2644 tooltip => "Signs and other items you examined",
2645 },
2646);
2647
2648sub cf::client::send_msg {
2649 my ($self, $channel, $msg, $color, @extra) = @_;
2650
2651 $msg = $self->pl->expand_cfpod ($msg);
2652
2653 $color &= cf::NDI_CLIENT_MASK; # just in case...
2654
2655 # check predefined channels, for the benefit of C
2656 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2657
2658 if (ref $channel) {
2659 # send meta info to client, if not yet sent
2660 unless (exists $self->{channel}{$channel->{id}}) {
2661 $self->{channel}{$channel->{id}} = $channel;
2662 $self->ext_msg (channel_info => $channel)
2663 if $self->can_msg;
2664 }
2665
2666 $channel = $channel->{id};
2667 }
2668
2669 return unless @extra || length $msg;
2670
2671 if ($self->can_msg) {
2672 # default colour, mask it out
2673 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674 if $color & cf::NDI_DEF;
2675
2676 $self->send_packet ("msg " . $self->{json_coder}->encode (
2677 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2678 } else {
2679 if ($color >= 0) {
2680 # replace some tags by gcfclient-compatible ones
2681 for ($msg) {
2682 1 while
2683 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688 }
2689
2690 $color &= cf::NDI_COLOR_MASK;
2691
2692 utf8::encode $msg;
2693
2694 if (0 && $msg =~ /\[/) {
2695 # COMMAND/INFO
2696 $self->send_packet ("drawextinfo $color 10 8 $msg")
2697 } else {
2698 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699 $self->send_packet ("drawinfo $color $msg")
2700 }
2701 }
2702 }
2703}
2704
2705=item $client->ext_msg ($type, @msg)
2706
2707Sends an ext event to the client.
2708
2709=cut
2710
2711sub cf::client::ext_msg($$@) {
2712 my ($self, $type, @msg) = @_;
2713
2714 if ($self->extcmd == 2) {
2715 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2716 } elsif ($self->extcmd == 1) { # TODO: remove
2717 push @msg, msgtype => "event_$type";
2718 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2719 }
2720}
2721
2722=item $client->ext_reply ($msgid, @msg)
2723
2724Sends an ext reply to the client.
2725
2726=cut
2727
2728sub cf::client::ext_reply($$@) {
2729 my ($self, $id, @msg) = @_;
2730
2731 if ($self->extcmd == 2) {
2732 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2733 } elsif ($self->extcmd == 1) {
2734 #TODO: version 1, remove
2735 unshift @msg, msgtype => "reply", msgid => $id;
2736 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2737 }
2738}
1929 2739
1930=item $success = $client->query ($flags, "text", \&cb) 2740=item $success = $client->query ($flags, "text", \&cb)
1931 2741
1932Queues a query to the client, calling the given callback with 2742Queues a query to the client, calling the given callback with
1933the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2743the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2744C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935 2745
1936Queries can fail, so check the return code. Or don't, as queries will become 2746Queries can fail, so check the return code. Or don't, as queries will
1937reliable at some point in the future. 2747become reliable at some point in the future.
1938 2748
1939=cut 2749=cut
1940 2750
1941sub cf::client::query { 2751sub cf::client::query {
1942 my ($self, $flags, $text, $cb) = @_; 2752 my ($self, $flags, $text, $cb) = @_;
1950 utf8::encode $text; 2760 utf8::encode $text;
1951 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2761 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952 2762
1953 $self->send_packet ($self->{query_queue}[0][0]) 2763 $self->send_packet ($self->{query_queue}[0][0])
1954 if @{ $self->{query_queue} } == 1; 2764 if @{ $self->{query_queue} } == 1;
2765
2766 1
1955} 2767}
1956 2768
1957cf::client->attach ( 2769cf::client->attach (
2770 on_connect => sub {
2771 my ($ns) = @_;
2772
2773 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2774 },
1958 on_reply => sub { 2775 on_reply => sub {
1959 my ($ns, $msg) = @_; 2776 my ($ns, $msg) = @_;
1960 2777
1961 # this weird shuffling is so that direct followup queries 2778 # this weird shuffling is so that direct followup queries
1962 # get handled first 2779 # get handled first
1963 my $queue = delete $ns->{query_queue} 2780 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2781 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2782
1966 (shift @$queue)->[1]->($msg); 2783 (shift @$queue)->[1]->($msg);
2784 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2785
1968 push @{ $ns->{query_queue} }, @$queue; 2786 push @{ $ns->{query_queue} }, @$queue;
1969 2787
1970 if (@{ $ns->{query_queue} } == @$queue) { 2788 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2789 if (@$queue) {
1973 } else { 2791 } else {
1974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2792 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975 } 2793 }
1976 } 2794 }
1977 }, 2795 },
2796 on_exticmd => sub {
2797 my ($ns, $buf) = @_;
2798
2799 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2800
2801 if (ref $msg) {
2802 my ($type, $reply, @payload) =
2803 "ARRAY" eq ref $msg
2804 ? @$msg
2805 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2806
2807 my @reply;
2808
2809 if (my $cb = $EXTICMD{$type}) {
2810 @reply = $cb->($ns, @payload);
2811 }
2812
2813 $ns->ext_reply ($reply, @reply)
2814 if $reply;
2815
2816 } else {
2817 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2818 }
2819
2820 cf::override;
2821 },
1978); 2822);
1979 2823
1980=item $client->async (\&cb) 2824=item $client->async (\&cb)
1981 2825
1982Create a new coroutine, running the specified callback. The coroutine will 2826Create a new coroutine, running the specified callback. The coroutine will
2023our $safe = new Safe "safe"; 2867our $safe = new Safe "safe";
2024our $safe_hole = new Safe::Hole; 2868our $safe_hole = new Safe::Hole;
2025 2869
2026$SIG{FPE} = 'IGNORE'; 2870$SIG{FPE} = 'IGNORE';
2027 2871
2028$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2872$safe->permit_only (Opcode::opset qw(
2873 :base_core :base_mem :base_orig :base_math
2874 grepstart grepwhile mapstart mapwhile
2875 sort time
2876));
2029 2877
2030# here we export the classes and methods available to script code 2878# here we export the classes and methods available to script code
2031 2879
2032=pod 2880=pod
2033 2881
2034The following fucntions and emthods are available within a safe environment: 2882The following functions and methods are available within a safe environment:
2035 2883
2036 cf::object contr pay_amount pay_player map 2884 cf::object
2885 contr pay_amount pay_player map x y force_find force_add
2886 insert remove name archname title slaying race decrease_ob_nr
2887
2037 cf::object::player player 2888 cf::object::player
2038 cf::player peaceful 2889 player
2039 cf::map trigger 2890
2891 cf::player
2892 peaceful
2893
2894 cf::map
2895 trigger
2040 2896
2041=cut 2897=cut
2042 2898
2043for ( 2899for (
2044 ["cf::object" => qw(contr pay_amount pay_player map)], 2900 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2901 insert remove inv name archname title slaying race
2902 decrease_ob_nr)],
2045 ["cf::object::player" => qw(player)], 2903 ["cf::object::player" => qw(player)],
2046 ["cf::player" => qw(peaceful)], 2904 ["cf::player" => qw(peaceful)],
2047 ["cf::map" => qw(trigger)], 2905 ["cf::map" => qw(trigger)],
2048) { 2906) {
2049 no strict 'refs'; 2907 no strict 'refs';
2120=back 2978=back
2121 2979
2122=cut 2980=cut
2123 2981
2124############################################################################# 2982#############################################################################
2983# the server's init and main functions
2125 2984
2126=head2 EXTENSION DATABASE SUPPORT 2985sub load_facedata($) {
2986 my ($path) = @_;
2127 2987
2128Crossfire maintains a very simple database for extension use. It can 2988 # HACK to clear player env face cache, we need some signal framework
2129currently store anything that can be serialised using Storable, which 2989 # for this (global event?)
2130excludes objects. 2990 %ext::player_env::MUSIC_FACE_CACHE = ();
2131 2991
2132The parameter C<$family> should best start with the name of the extension 2992 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133using it, it should be unique.
2134 2993
2135=over 4 2994 warn "loading facedata from $path\n";
2136 2995
2137=item $hashref = cf::db_get $family 2996 my $facedata;
2997 0 < aio_load $path, $facedata
2998 or die "$path: $!";
2138 2999
2139Return a hashref for use by the extension C<$family>, which can be 3000 $facedata = Coro::Storable::thaw $facedata;
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142 3001
2143=item $value = cf::db_get $family => $key 3002 $facedata->{version} == 2
3003 or cf::cleanup "$path: version mismatch, cannot proceed.";
2144 3004
2145Returns a single value from the database 3005 # patch in the exptable
2146 3006 $facedata->{resource}{"res/exp_table"} = {
2147=item cf::db_put $family => $hashref 3007 type => FT_RSRC,
2148 3008 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152=item cf::db_put $family => $key => $value
2153
2154Stores the given C<$value> in the family hash. Updates are delayed, if you
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164
2165=cut
2166
2167our $DB;
2168
2169{
2170 my $path = cf::localdir . "/database.pst";
2171
2172 sub db_load() {
2173 $DB = stat $path ? Storable::retrieve $path : { };
2174 }
2175
2176 my $pid;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 }
2186 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 }); 3009 };
3010 cf::cede_to_tick;
2198 3011
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 } 3012 {
3013 my $faces = $facedata->{faceinfo};
2203 3014
2204 sub db_get($;$) { 3015 while (my ($face, $info) = each %$faces) {
2205 @_ >= 2 3016 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206 ? $DB->{$_[0]}{$_[1]} 3017 cf::face::set_visibility $idx, $info->{visibility};
2207 : ($DB->{$_[0]} ||= { }) 3018 cf::face::set_magicmap $idx, $info->{magicmap};
2208 } 3019 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3020 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209 3021
2210 sub db_put($$;$) { 3022 cf::cede_to_tick;
2211 if (@_ >= 3) {
2212 $DB->{$_[0]}{$_[1]} = $_[2];
2213 } else {
2214 $DB->{$_[0]} = $_[1];
2215 }
2216 db_dirty;
2217 }
2218
2219 cf::global->attach (
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 3023 }
2224 );
2225}
2226 3024
2227############################################################################# 3025 while (my ($face, $info) = each %$faces) {
2228# the server's main() 3026 next unless $info->{smooth};
3027 my $idx = cf::face::find $face
3028 or next;
3029 if (my $smooth = cf::face::find $info->{smooth}) {
3030 cf::face::set_smooth $idx, $smooth;
3031 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032 } else {
3033 warn "smooth face '$info->{smooth}' not found for face '$face'";
3034 }
2229 3035
2230sub cfg_load { 3036 cf::cede_to_tick;
3037 }
3038 }
3039
3040 {
3041 my $anims = $facedata->{animinfo};
3042
3043 while (my ($anim, $info) = each %$anims) {
3044 cf::anim::set $anim, $info->{frames}, $info->{facings};
3045 cf::cede_to_tick;
3046 }
3047
3048 cf::anim::invalidate_all; # d'oh
3049 }
3050
3051 {
3052 # TODO: for gcfclient pleasure, we should give resources
3053 # that gcfclient doesn't grok a >10000 face index.
3054 my $res = $facedata->{resource};
3055
3056 my $soundconf = delete $res->{"res/sound.conf"};
3057
3058 while (my ($name, $info) = each %$res) {
3059 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060 my $data;
3061
3062 if ($info->{type} & 1) {
3063 # prepend meta info
3064
3065 my $meta = $enc->encode ({
3066 name => $name,
3067 %{ $info->{meta} || {} },
3068 });
3069
3070 $data = pack "(w/a*)*", $meta, $info->{data};
3071 } else {
3072 $data = $info->{data};
3073 }
3074
3075 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076 cf::face::set_type $idx, $info->{type};
3077
3078 cf::cede_to_tick;
3079 }
3080
3081 if ($soundconf) {
3082 $soundconf = $enc->decode (delete $soundconf->{data});
3083
3084 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085 my $sound = $soundconf->{compat}[$_]
3086 or next;
3087
3088 my $face = cf::face::find "sound/$sound->[1]";
3089 cf::sound::set $sound->[0] => $face;
3090 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091 }
3092
3093 while (my ($k, $v) = each %{$soundconf->{event}}) {
3094 my $face = cf::face::find "sound/$v";
3095 cf::sound::set $k => $face;
3096 }
3097 }
3098 }
3099
3100 1
3101}
3102
3103register_exticmd fx_want => sub {
3104 my ($ns, $want) = @_;
3105
3106 while (my ($k, $v) = each %$want) {
3107 $ns->fx_want ($k, $v);
3108 }
3109};
3110
3111sub reload_regions {
3112 # HACK to clear player env face cache, we need some signal framework
3113 # for this (global event?)
3114 %ext::player_env::MUSIC_FACE_CACHE = ();
3115
3116 load_resource_file "$MAPDIR/regions"
3117 or die "unable to load regions file\n";
3118
3119 for (cf::region::list) {
3120 $_->{match} = qr/$_->{match}/
3121 if exists $_->{match};
3122 }
3123}
3124
3125sub reload_facedata {
3126 load_facedata "$DATADIR/facedata"
3127 or die "unable to load facedata\n";
3128}
3129
3130sub reload_archetypes {
3131 load_resource_file "$DATADIR/archetypes"
3132 or die "unable to load archetypes\n";
3133 #d# NEED to laod twice to resolve forward references
3134 # this really needs to be done in an extra post-pass
3135 # (which needs to be synchronous, so solve it differently)
3136 load_resource_file "$DATADIR/archetypes"
3137 or die "unable to load archetypes\n";
3138}
3139
3140sub reload_treasures {
3141 load_resource_file "$DATADIR/treasures"
3142 or die "unable to load treasurelists\n";
3143}
3144
3145sub reload_resources {
3146 warn "reloading resource files...\n";
3147
3148 reload_regions;
3149 reload_facedata;
3150 #reload_archetypes;#d#
3151 reload_archetypes;
3152 reload_treasures;
3153
3154 warn "finished reloading resource files\n";
3155}
3156
3157sub init {
3158 reload_resources;
3159}
3160
3161sub reload_config {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 3162 open my $fh, "<:utf8", "$CONFDIR/config"
2232 or return; 3163 or return;
2233 3164
2234 local $/; 3165 local $/;
2235 *CFG = YAML::Syck::Load <$fh>; 3166 *CFG = YAML::Syck::Load <$fh>;
2236 3167
2250 3181
2251sub main { 3182sub main {
2252 # we must not ever block the main coroutine 3183 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 3184 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3185 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3186 (async {
2255 async { Event::one_event }; 3187 Event::one_event;
3188 })->prio (Coro::PRIO_MAX);
2256 }; 3189 };
2257 3190
2258 cfg_load; 3191 reload_config;
2259 db_load; 3192 db_init;
2260 load_extensions; 3193 load_extensions;
3194
3195 $TICK_WATCHER->start;
2261 Event::loop; 3196 Event::loop;
2262} 3197}
2263 3198
2264############################################################################# 3199#############################################################################
2265# initialisation and cleanup 3200# initialisation and cleanup
2266 3201
2267# install some emergency cleanup handlers 3202# install some emergency cleanup handlers
2268BEGIN { 3203BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 3204 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 3205 Event->signal (
3206 reentrant => 0,
2271 data => WF_AUTOCANCEL, 3207 data => WF_AUTOCANCEL,
2272 signal => $signal, 3208 signal => $signal,
3209 prio => 0,
2273 cb => sub { 3210 cb => sub {
2274 cf::cleanup "SIG$signal"; 3211 cf::cleanup "SIG$signal";
2275 }, 3212 },
2276 ); 3213 );
2277 } 3214 }
2278} 3215}
2279 3216
3217sub write_runtime {
3218 my $runtime = "$LOCALDIR/runtime";
3219
3220 # first touch the runtime file to show we are still running:
3221 # the fsync below can take a very very long time.
3222
3223 IO::AIO::aio_utime $runtime, undef, undef;
3224
3225 my $guard = cf::lock_acquire "write_runtime";
3226
3227 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3228 or return;
3229
3230 my $value = $cf::RUNTIME + 90 + 10;
3231 # 10 is the runtime save interval, for a monotonic clock
3232 # 60 allows for the watchdog to kill the server.
3233
3234 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3235 and return;
3236
3237 # always fsync - this file is important
3238 aio_fsync $fh
3239 and return;
3240
3241 # touch it again to show we are up-to-date
3242 aio_utime $fh, undef, undef;
3243
3244 close $fh
3245 or return;
3246
3247 aio_rename "$runtime~", $runtime
3248 and return;
3249
3250 warn "runtime file written.\n";
3251
3252 1
3253}
3254
2280sub emergency_save() { 3255sub emergency_save() {
2281 my $freeze_guard = cf::freeze_mainloop; 3256 my $freeze_guard = cf::freeze_mainloop;
2282 3257
2283 warn "enter emergency perl save\n"; 3258 warn "enter emergency perl save\n";
2284 3259
2285 cf::sync_job { 3260 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 3261 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 3262 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 3263 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 3264 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 3265 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 3266 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 3267 $pl->valid or next;
2293 $pl->save; 3268 $pl->save;
2299 my $map = $cf::MAP{$path} or next; 3274 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 3275 $map->valid or next;
2301 $map->save; 3276 $map->save;
2302 } 3277 }
2303 warn "end emergency map save\n"; 3278 warn "end emergency map save\n";
3279
3280 warn "begin emergency database checkpoint\n";
3281 BDB::db_env_txn_checkpoint $DB_ENV;
3282 warn "end emergency database checkpoint\n";
2304 }; 3283 };
2305 3284
2306 warn "leave emergency perl save\n"; 3285 warn "leave emergency perl save\n";
2307} 3286}
2308 3287
3288sub post_cleanup {
3289 my ($make_core) = @_;
3290
3291 warn Carp::longmess "post_cleanup backtrace"
3292 if $make_core;
3293}
3294
2309sub reload() { 3295sub do_reload_perl() {
2310 # can/must only be called in main 3296 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 3297 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 3298 warn "can only reload from main coroutine";
2313 return; 3299 return;
2314 } 3300 }
2315 3301
2316 warn "reloading..."; 3302 warn "reloading...";
2317 3303
2318 my $guard = freeze_mainloop; 3304 warn "entering sync_job";
3305
3306 cf::sync_job {
3307 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 3308 cf::emergency_save;
3309 cf::write_runtime; # external watchdog should not bark
2320 3310
2321 eval { 3311 warn "syncing database to disk";
3312 BDB::db_env_txn_checkpoint $DB_ENV;
3313
2322 # if anything goes wrong in here, we should simply crash as we already saved 3314 # if anything goes wrong in here, we should simply crash as we already saved
2323 3315
2324 # cancel all watchers 3316 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 3317 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 3318 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 3319 }
2328 3320
3321 warn "flushing outstanding aio requests";
3322 for (;;) {
3323 BDB::flush;
3324 IO::AIO::flush;
3325 Coro::cede;
3326 last unless IO::AIO::nreqs || BDB::nreqs;
3327 warn "iterate...";
3328 }
3329
3330 ++$RELOAD;
3331
2329 # cancel all extension coros 3332 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 3333 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 3334 %EXT_CORO = ();
2332 3335
2333 # unload all extensions 3336 warn "removing commands";
2334 for (@exts) { 3337 %COMMAND = ();
3338
3339 warn "removing ext/exti commands";
3340 %EXTCMD = ();
3341 %EXTICMD = ();
3342
3343 warn "unloading/nuking all extensions";
3344 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 3345 warn "... unloading $pkg";
2336 unload_extension $_; 3346
3347 if (my $cb = $pkg->can ("unload")) {
3348 eval {
3349 $cb->($pkg);
3350 1
3351 } or warn "$pkg unloaded, but with errors: $@";
2337 } 3352 }
2338 3353
3354 warn "... nuking $pkg";
3355 Symbol::delete_package $pkg;
3356 }
3357
2339 # unload all modules loaded from $LIBDIR 3358 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 3359 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 3361
2343 warn "removing <$k>"; 3362 warn "... unloading $k";
2344 delete $INC{$k}; 3363 delete $INC{$k};
2345 3364
2346 $k =~ s/\.pm$//; 3365 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 3366 $k =~ s/\//::/g;
2348 3367
2351 } 3370 }
2352 3371
2353 Symbol::delete_package $k; 3372 Symbol::delete_package $k;
2354 } 3373 }
2355 3374
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 3375 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 3376 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 3378
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 3379 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 3380 delete $INC{"cf.pm"};
3381 delete $INC{"cf/pod.pm"};
2369 3382
2370 # don't, removes xs symbols, too, 3383 # don't, removes xs symbols, too,
2371 # and global variables created in xs 3384 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 3385 #Symbol::delete_package __PACKAGE__;
2373 3386
2374 # reload cf.pm 3387 warn "unload completed, starting to reload now";
3388
2375 warn "reloading cf.pm"; 3389 warn "reloading cf.pm";
2376 require cf; 3390 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 3392
2379 # load config and database again 3393 warn "loading config and database again";
2380 cf::cfg_load; 3394 cf::reload_config;
2381 cf::db_load;
2382 3395
2383 # load extensions
2384 warn "load extensions"; 3396 warn "loading extensions";
2385 cf::load_extensions; 3397 cf::load_extensions;
2386 3398
2387 # reattach attachments to objects 3399 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 3400 _global_reattach; # objects, sockets
2389 _global_reattach; 3401 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 3402 reattach $_ for values %MAP;
2391 }; 3403 warn "reattaching attachments to players";
3404 reattach $_ for values %PLAYER;
2392 3405
2393 if ($@) { 3406 warn "leaving sync_job";
3407
3408 1
3409 } or do {
2394 warn $@; 3410 warn $@;
2395 warn "error while reloading, exiting."; 3411 warn "error while reloading, exiting.";
2396 exit 1; 3412 exit 1;
2397 } 3413 };
2398 3414
2399 warn "reloaded successfully"; 3415 warn "reloaded";
2400}; 3416};
2401 3417
2402############################################################################# 3418our $RELOAD_WATCHER; # used only during reload
2403 3419
2404unless ($LINK_MAP) { 3420sub reload_perl() {
2405 $LINK_MAP = cf::map::new; 3421 # doing reload synchronously and two reloads happen back-to-back,
3422 # coro crashes during coro_state_free->destroy here.
2406 3423
2407 $LINK_MAP->width (41); 3424 $RELOAD_WATCHER ||= Event->timer (
2408 $LINK_MAP->height (41); 3425 reentrant => 0,
2409 $LINK_MAP->alloc;
2410 $LINK_MAP->path ("{link}");
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10, 3426 after => 0,
3427 data => WF_AUTOCANCEL,
2417 cb => sub { 3428 cb => sub {
2418 $_[0]->w->cancel; 3429 do_reload_perl;
2419 3430 undef $RELOAD_WATCHER;
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 }); 3431 },
2438 3432 );
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443} 3433}
2444
2445register "<global>", __PACKAGE__;
2446 3434
2447register_command "reload" => sub { 3435register_command "reload" => sub {
2448 my ($who, $arg) = @_; 3436 my ($who, $arg) = @_;
2449 3437
2450 if ($who->flag (FLAG_WIZ)) { 3438 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload.");
2452 reload;
2453 $who->message ("end of reload."); 3439 $who->message ("reloading server.");
3440 async { reload_perl };
2454 } 3441 }
2455}; 3442};
2456 3443
2457unshift @INC, $LIBDIR; 3444unshift @INC, $LIBDIR;
3445
3446my $bug_warning = 0;
3447
3448our @WAIT_FOR_TICK;
3449our @WAIT_FOR_TICK_BEGIN;
3450
3451sub wait_for_tick {
3452 return unless $TICK_WATCHER->is_active;
3453 return if $Coro::current == $Coro::main;
3454
3455 my $signal = new Coro::Signal;
3456 push @WAIT_FOR_TICK, $signal;
3457 $signal->wait;
3458}
3459
3460sub wait_for_tick_begin {
3461 return unless $TICK_WATCHER->is_active;
3462 return if $Coro::current == $Coro::main;
3463
3464 my $signal = new Coro::Signal;
3465 push @WAIT_FOR_TICK_BEGIN, $signal;
3466 $signal->wait;
3467}
3468
3469our $stat_fh;
3470sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2458 3471
2459$TICK_WATCHER = Event->timer ( 3472$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 3473 reentrant => 0,
3474 parked => 1,
2461 prio => 0, 3475 prio => 0,
2462 at => $NEXT_TICK || $TICK, 3476 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 3477 data => WF_AUTOCANCEL,
2464 cb => sub { 3478 cb => sub {
3479 if ($Coro::current != $Coro::main) {
3480 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3481 unless ++$bug_warning > 10;
3482 return;
3483 }
3484
3485 my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3486
3487 $NOW = $tick_start = Event::time;
3488
2465 cf::server_tick; # one server iteration 3489 cf::server_tick; # one server iteration
3490
2466 $RUNTIME += $TICK; 3491 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 3492 $NEXT_TICK += $TICK;
2468 3493
2469 $WAIT_FOR_TICK->broadcast; 3494 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3495 $NEXT_RUNTIME_WRITE = $NOW + 10;
3496 Coro::async_pool {
3497 write_runtime
3498 or warn "ERROR: unable to write runtime file: $!";
3499 };
3500 }
3501
3502# my $AFTER = Event::time;
3503# warn $AFTER - $NOW;#d#
3504
3505 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3506 $sig->send;
3507 }
3508 while (my $sig = shift @WAIT_FOR_TICK) {
3509 $sig->send;
3510 }
3511
3512 $NOW = Event::time;
2471 3513
2472 # if we are delayed by four ticks or more, skip them all 3514 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3515 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474 3516
2475 $TICK_WATCHER->at ($NEXT_TICK); 3517 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 3518 $TICK_WATCHER->start;
3519
3520 $LOAD = ($NOW - $tick_start) / $TICK;
3521 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3522
3523 _post_tick;
3524
3525 # gather some statistics#d#
3526 $stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
3527 IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2477 }, 3528 },
2478); 3529);
2479 3530
3531{
3532 BDB::min_parallel 8;
2480IO::AIO::max_poll_time $TICK * 0.2; 3533 BDB::max_poll_time $TICK * 0.1;
2481 3534 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 3535 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 3536 fd => BDB::poll_fileno,
2484 poll => 'r', 3537 poll => 'r',
2485 prio => 5, 3538 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 3539 data => WF_AUTOCANCEL,
3540 cb => \&BDB::poll_cb,
3541 );
3542
3543 BDB::set_sync_prepare {
3544 my $status;
3545 my $current = $Coro::current;
3546 (
3547 sub {
3548 $status = $!;
3549 $current->ready; undef $current;
3550 },
3551 sub {
3552 Coro::schedule while defined $current;
3553 $! = $status;
3554 },
3555 )
3556 };
3557
3558 unless ($DB_ENV) {
3559 $DB_ENV = BDB::db_env_create;
3560
3561 cf::sync_job {
3562 eval {
3563 BDB::db_env_open
3564 $DB_ENV,
3565 $BDBDIR,
3566 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3567 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3568 0666;
3569
3570 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3571
3572 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3573 | BDB::LOG_AUTOREMOVE, 1);
3574 $DB_ENV->set_lk_detect;
3575 };
3576
3577 cf::cleanup "db_env_open(db): $@" if $@;
3578 };
3579 }
3580
3581 $BDB_CHECKPOINT_WATCHER = Event->timer (
2492 after => 0, 3582 after => 11,
2493 interval => 10, 3583 interval => 60,
3584 hard => 1,
3585 prio => 0,
3586 data => WF_AUTOCANCEL,
2494 cb => sub { 3587 cb => sub {
2495 (Coro::unblock_sub { 3588 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2496 write_runtime 3589 },
2497 or warn "ERROR: unable to write runtime file: $!"; 3590 );
3591 $BDB_TRICKLE_WATCHER = Event->timer (
3592 after => 5,
3593 interval => 10,
3594 hard => 1,
3595 prio => 0,
3596 data => WF_AUTOCANCEL,
3597 cb => sub {
3598 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3599 },
3600 );
3601}
3602
3603{
3604 IO::AIO::min_parallel 8;
3605
3606 undef $Coro::AIO::WATCHER;
3607 IO::AIO::max_poll_time $TICK * 0.1;
3608 $AIO_POLL_WATCHER = Event->io (
3609 reentrant => 0,
3610 data => WF_AUTOCANCEL,
3611 fd => IO::AIO::poll_fileno,
3612 poll => 'r',
3613 prio => 6,
3614 cb => \&IO::AIO::poll_cb,
3615 );
3616}
3617
3618my $_log_backtrace;
3619
3620sub _log_backtrace {
3621 my ($msg, @addr) = @_;
3622
3623 $msg =~ s/\n//;
3624
3625 # limit the # of concurrent backtraces
3626 if ($_log_backtrace < 2) {
3627 ++$_log_backtrace;
3628 async {
3629 my @bt = fork_call {
3630 @addr = map { sprintf "%x", $_ } @addr;
3631 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3632 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3633 or die "addr2line: $!";
3634
3635 my @funcs;
3636 my @res = <$fh>;
3637 chomp for @res;
3638 while (@res) {
3639 my ($func, $line) = splice @res, 0, 2, ();
3640 push @funcs, "[$func] $line";
3641 }
3642
3643 @funcs
3644 };
3645
3646 LOG llevInfo, "[ABT] $msg\n";
3647 LOG llevInfo, "[ABT] $_\n" for @bt;
3648 --$_log_backtrace;
2498 })->(); 3649 };
3650 } else {
3651 LOG llevInfo, "[ABT] $msg\n";
3652 LOG llevInfo, "[ABT] [suppressed]\n";
2499 }, 3653 }
2500); 3654}
3655
3656# load additional modules
3657use cf::pod;
2501 3658
2502END { cf::emergency_save } 3659END { cf::emergency_save }
2503 3660
25041 36611
2505 3662

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