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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
34	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
35		65
36	# configure various modules to our taste	66	# configure various modules to our taste
37	#	67	#
38	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
74		106
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	109	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
85		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
90		124
91	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
94		128
95	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		131
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		140
102	binmode STDOUT;	141	binmode STDOUT;
103	binmode STDERR;	142	binmode STDERR;
104		143
105	# read virtual server time, if available	144	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
110	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
111		152
112	mkdir $_	153	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		155
115	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
158		199
159	The raw value load value from the last tick.	200	The raw value load value from the last tick.
160		201
161	=item %cf::CFG	202	=item %cf::CFG
162		203
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	205	from wherever your confdir points to.
165		206
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		208
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	227	$msg .= "\n"
187	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
188		229
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		231
191	utf8::encode $msg;
192	LOG llevError, $msg;	232	LOG llevError, $msg;
193	};	233	};
194	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
195		250
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	261	for my $pkg (qw(
207	cf::global cf::attachable	262	cf::global cf::attachable
208	cf::object cf::object::player	263	cf::object cf::object::player
209	cf::client cf::player	264	cf::client cf::player
210	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
211	cf::map cf::party cf::region	267	cf::party cf::region
212	)) {	268	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	270	}
216		271
217	$Event::DIED = sub {	272	$EV::DIED = sub {
218	warn "error in event callback: @_";	273	warn "error in event callback: @_";
219	};	274	};
220		275
221	#############################################################################	276	#############################################################################
222		277
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	301	$d
247	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
248	}	303	}
249		304
250	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
251		306
252	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
253		308
254	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
255		310
256	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
257		312
258	=cut	313	=cut
259		314
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		316
262	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
264		333
265	=item cf::lock_wait $string	334	=item cf::lock_wait $string
266		335
267	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
268		337
269	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
270		339
271	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
274	returned.	343	returned.
275		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
276	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
278		350
279	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
280		352
281	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
282		354
283	=cut	355	=cut
284		356
285	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
286		358
287	sub lock_wait($) {	359	sub lock_wait($) {
288	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	361	}
296		362
297	sub lock_acquire($) {	363	sub lock_acquire($) {
298	my ($key) = @_;	364	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	365	}
310		366
311	sub lock_active($) {	367	sub lock_active($) {
312	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	369	}
316		370
317	sub freeze_mainloop {	371	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
319		373
320	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	375	}
326		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
327	=item cf::get_slot $time[, $priority]	392	=item cf::get_slot $time[, $priority[, $name]]
328		393
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
330	This call blocks and returns only when you have at least C<$time> seconds	395	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	396	of cpu time till the next tick. The slot is only valid till the next cede.
332		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
333	Useful for short background jobs.	401	Useful for short background jobs.
334		402
335	=cut	403	=cut
336		404
337	our @SLOT_QUEUE;	405	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	406	our $SLOT_QUEUE;
339		407
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
342	my $signal = new Coro::Signal;	412	my $signal = new Coro::Signal;
343		413
344	while () {	414	while () {
345	next_job:	415	next_job:
346	my $avail = cf::till_tick;	416	my $avail = cf::till_tick;
…		…
354	}	424	}
355	}	425	}
356	}	426	}
357		427
358	if (@SLOT_QUEUE) {	428	if (@SLOT_QUEUE) {
359	# we do not use wait_For_tick() as it returns immediately when tick is inactive	429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
360	push @cf::WAIT_FOR_TICK, $signal;	430	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	431	$signal->wait;
362	} else {	432	} else {
363	Coro::schedule;	433	Coro::schedule;
364	}	434	}
365	}	435	}
366	};	436	};
367		437
368	sub get_slot($;$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
369	my ($time, $pri) = @_;	441	my ($time, $pri, $name) = @_;
370		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	448	$SLOT_QUEUE->ready;
374	$sig->wait;	449	$sig->wait;
375	}	450	}
376		451
…		…
384		459
385	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
386		461
387	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
388		463
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	467	acceptable.
393		468
394	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		475
401	sub sync_job(&) {	476	sub sync_job(&) {
402	my ($job) = @_;	477	my ($job) = @_;
403		478
404	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	480	my $time = EV::time;
406		481
407	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
409		484
410	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	486
412	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
413		488
414	my $busy = 1;	489	my $busy = 1;
415	my @res;	490	my @res;
416		491
417	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	494	@res = eval { $job->() };
419	warn $@ if $@;	495	warn $@ if $@;
420	undef $busy;	496	undef $busy;
421	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
422		498
423	while ($busy) {	499	while ($busy) {
424	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
425	}	504	}
		505	}
426		506
427	$time = Event::time - $time;	507	my $time = EV::time - $time;
428		508
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
433		510
434	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
435	} else {	512	} else {
436	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
437		514
…		…
462	=item fork_call { }, $args	539	=item fork_call { }, $args
463		540
464	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
465	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
466	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
467	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
468		545
469	=cut	546	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		547
480	sub fork_call(&@) {	548	sub fork_call(&@) {
481	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
482		550
483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	551	# we seemingly have to make a local copy of the whole thing,
484	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		554
488	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	556	reset_signals;
502	local $SIG{__WARN__};	557	&$cb
503	local $SIG{__DIE__};	558	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		559
510	eval {	560	wantarray ? @res : $res[-1]
511	close $fh1;	561	}
512		562
513	my @res = eval { $cb->(@args) };	563	=item $coin = coin_from_name $name
514		564
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	565	=cut
516	close $fh2;
517	};
518		566
519	warn $@ if $@;	567	our %coin_alias = (
520	_exit 0;	568	"silver" => "silvercoin",
521	}	569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
522	}	588	}
523		589
524	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
525		591
526	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
529		595
530	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
532		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
533	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
534		622
535	our $DB;	623	our $DB;
536		624
537	sub db_init {	625	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	626	cf::sync_job {
542	eval {	627	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	628	};
552	}	629	}
553		630
554	sub db_get($$) {	631	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
556		633
…		…
606	if (1) {	683	if (1) {
607	$md5 =	684	$md5 =
608	join "\x00",	685	join "\x00",
609	$processversion,	686	$processversion,
610	map {	687	map {
611	Coro::cede;	688	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	690	} 0.. $#$src;
614		691
615		692
616	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		731
655	#############################################################################	732	#############################################################################
656		733
657	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
658		735
659	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
660	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
661	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
662		739
663	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
664	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
665	Crossfire TRT).	742	Deliantra).
666		743
667	=over 4	744	=over 4
668		745
669	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
670		747
…		…
714	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
715		792
716	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
717	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
718		795
719	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
720	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
721		798
722	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
723		800
724	=over 4	801	=over 4
…		…
952	}	1029	}
953		1030
954	0	1031	0
955	}	1032	}
956		1033
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1035
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1037
961	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
962		1039
…		…
968		1045
969	=cut	1046	=cut
970		1047
971	#############################################################################	1048	#############################################################################
972	# object support	1049	# object support
973	#
974		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
975	sub _can_merge {	1084	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
977		1086
978	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1088
982	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
983	}	1091	}
984		1092
985	sub reattach {	1093	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1095	my ($obj) = @_;
988		1096
		1097	# no longer needed after getting rid of delete_package?
989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
990		1099
991	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
992		1101
993	@$registry = ();	1102	@$registry = ();
994		1103
…		…
1009	cf::attachable->attach (	1118	cf::attachable->attach (
1010	prio => -1000000,	1119	prio => -1000000,
1011	on_instantiate => sub {	1120	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1013		1122
1014	$data = from_json $data;	1123	$data = decode_json $data;
1015		1124
1016	for (@$data) {	1125	for (@$data) {
1017	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1018		1127
1019	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1144	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
1037		1146
1038	sync_job {	1147	sync_job {
1039	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1042		1152
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1047	close $fh;	1157	aio_close $fh;
1048		1158
1049	if (@$objs) {	1159	if (@$objs) {
1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1051	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1054	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1055	close $fh;	1165	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1167	}
1058	} else {	1168	} else {
1059	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1060	}	1170	}
1061		1171
1062	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1176	} else {
1064	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1065	}	1178	}
1066	} else {	1179	} else {
1067	aio_unlink $filename;	1180	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1069	}	1182	}
1070	}	1183	};
1071	}	1184	}
1072		1185
1073	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1075		1188
…		…
1087	or return;	1200	or return;
1088		1201
1089	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1204	or return;
		1205
1092	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1093	}	1208	}
1094		1209
		1210	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1097	return ($data, $av);	1214	($data, $av)
1098	}	1215	}
1099		1216
1100	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1101		1218
1102	=over 4	1219	=over 4
…		…
1156	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1157		1274
1158	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1159	}	1276	}
1160		1277
		1278	use File::Glob ();
		1279
1161	cf::player->attach (	1280	cf::player->attach (
1162	on_command => sub {	1281	on_command => sub {
1163	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1164		1283
1165	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1175	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
1176		1295
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1297
1179	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
1185	} else {	1313	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1315	}
1188		1316
1189	cf::override;	1317	cf::override;
1190	},	1318	},
1191	);	1319	);
		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
1192		1333
1193	sub load_extensions {	1334	sub load_extensions {
1194	cf::sync_job {	1335	cf::sync_job {
1195	my %todo;	1336	my %todo;
1196		1337
…		…
1216		1357
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1360
1220	$ext{source} =	1361	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1223	. $source	1364	. $source
1224	. "\n};\n1";	1365	. "\n};\n1";
1225		1366
1226	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1242	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1243	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1244		1385
1245	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1246	warn $msg;	1387	warn $msg;
1247	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1248	exit 1;
1249	}	1389	}
1250		1390
1251	warn $msg;	1391	warn $msg;
1252	}	1392	}
1253		1393
…		…
1267		1407
1268	=back	1408	=back
1269		1409
1270	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1271		1411
1272	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1273		1413
1274	=cut	1414	=cut
1275		1415
1276	package cf::player;	1416	package cf::player;
1277		1417
1278	use Coro::AIO;	1418	use Coro::AIO;
1279		1419
1280	=head3 cf::player	1420	=head3 cf::player
1281		1421
1282	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1283		1437
1284	=item cf::player::find $login	1438	=item cf::player::find $login
1285		1439
1286	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1287		1441
…		…
1306		1460
1307	sub exists($) {	1461	sub exists($) {
1308	my ($login) = @_;	1462	my ($login) = @_;
1309		1463
1310	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1312	}	1466	}
1313		1467
1314	sub find($) {	1468	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1470	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1481
1328	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1329	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1330	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1331	}	1491	}
1332	}	1492	}
1333	}	1493	}
1334		1494
…		…
1343	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1344		1504
1345	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1347		1507
		1508	cf::get_slot 0.01;
		1509
1348	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1349	Coro::cede;	1511	cf::cede_to_tick;
1350	}	1512	}
1351		1513
1352	sub new($) {	1514	sub new($) {
1353	my ($login) = @_;	1515	my ($login) = @_;
1354		1516
…		…
1360	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1361		1523
1362	$self	1524	$self
1363	}	1525	}
1364		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1365	=item $pl->quit_character	1537	=item $pl->quit_character
1366		1538
1367	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1368	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1369		1541
…		…
1373	my ($pl) = @_;	1545	my ($pl) = @_;
1374		1546
1375	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1376		1548
1377	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1378	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1379		1551
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1384		1558
1385	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1596	or return [];
1423		1597
1424	my @logins;	1598	my @logins;
1425		1599
1426	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1430		1610
1431	utf8::decode $login;	1611	utf8::decode $login;
1432	push @logins, $login;	1612	push @logins, $login;
1433	}	1613	}
1434		1614
…		…
1461	}	1641	}
1462		1642
1463	\@paths	1643	\@paths
1464	}	1644	}
1465		1645
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1647
1468	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1469		1649
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1517		1651
1518	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1519		1653
1520	=cut	1654	=cut
1521		1655
1522	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1524		1658
1525	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1660	}
1528		1661
1529	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1530		1663
1531	Sends an ext event to the client.	1664	Sends an ext event to the client.
1532		1665
1533	=cut	1666	=cut
1534		1667
1535	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1537		1670
1538	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1539	}	1672	}
1540		1673
1541	=head3 cf::region	1674	=head3 cf::region
1542		1675
1543	=over 4	1676	=over 4
…		…
1587	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1589		1722
1590	sub generate_random_map {	1723	sub generate_random_map {
1591	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1592	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1729	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1718		1854
1719	# the temporary/swap location	1855	# the temporary/swap location
1720	sub save_path {	1856	sub save_path {
1721	my ($self) = @_;	1857	my ($self) = @_;
1722		1858
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1725	}	1861	}
1726		1862
1727	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1728	sub uniq_path {	1864	sub uniq_path {
1729	my ($self) = @_;	1865	my ($self) = @_;
1730		1866
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1869	}
1743		1870
1744	sub decay_objects {	1871	sub decay_objects {
1745	my ($self) = @_;	1872	my ($self) = @_;
1746		1873
…		…
1759		1886
1760	sub load_header_from($) {	1887	sub load_header_from($) {
1761	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1762		1889
1763	utf8::encode $path;	1890	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1769		1899
1770	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1771		1901
1772	1	1902	1
1773	}	1903	}
…		…
1827	sub find {	1957	sub find {
1828	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1829		1959
1830	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1831		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1833		1964
1834	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1837	or return;	1967	or return;
1838		1968
1839	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1840		1970
…		…
1842	or return;	1972	or return;
1843		1973
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1847	$map->reset;	1979	$map->reset;
1848	undef $guard;
1849	return find $path;	1980	return find $path;
1850	}	1981	}
1851		1982
1852	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1853	}	1984	}
…		…
1862	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1863		1994
1864	my $path = $self->{path};	1995	my $path = $self->{path};
1865		1996
1866	{	1997	{
1867	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1868		1999
		2000	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2002
1871	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1872		2004
1873	$self->alloc;	2005	$self->alloc;
1874		2006
1875	$self->pre_load;	2007	$self->pre_load;
1876	Coro::cede;	2008	cf::cede_to_tick;
1877		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1879	or return;	2013	or return;
1880		2014
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1882	if delete $self->{load_original};	2016	if delete $self->{load_original};
1883		2017
1884	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2019	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2022	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1889	}	2026	}
1890	}	2027	}
1891		2028
1892	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1893	# now do the right thing for maps	2032	# now do the right thing for maps
1894	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2035	unless $self->difficulty;
1897	Coro::cede;	2036	cf::cede_to_tick;
1898		2037
1899	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2039	$self->decay_objects;
1901	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1902	$self->update_buttons;	2041	$self->update_buttons;
1903	Coro::cede;	2042	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2043	$self->activate;
1907	}	2044	}
1908		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2050	}
1911		2051
1912	$self->post_load;	2052	$self->post_load;
1913	}	2053	}
1914		2054
…		…
1923		2063
1924	$self	2064	$self
1925	}	2065	}
1926		2066
1927	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1928	sub load_diag {	2068	sub load_neighbours {
1929	my ($map) = @_;	2069	my ($map) = @_;
1930		2070
1931	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1932		2072
1933	for (0 .. 3) {	2073	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1935	or next;	2075	or next;
1936	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1937	or next;	2077	or next;
1938	$neigh->load;	2078	$neigh->load;
1939		2079
		2080	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2083	}
1943		2084
1944	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1946	or next;	2088	or next;
1947	$neigh->load;	2089	$neigh->load;
1948	}	2090	}
1949	}	2091	}
1950		2092
…		…
1955	}	2097	}
1956		2098
1957	sub do_load_sync {	2099	sub do_load_sync {
1958	my ($map) = @_;	2100	my ($map) = @_;
1959		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1960	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1961	}	2106	}
1962		2107
1963	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1965		2110
1966	sub find_async {	2111	sub find_async {
1967	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1968		2113
1969	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1970		2115
1971	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2118	}
1974		2119
1975	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1976	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1977	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2127	if (my $map = find $k) {
1980	$map->load;	2128	$map->load if $v;
1981	}	2129	}
1982		2130
1983	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1984	}	2132	}
1985	}	2133	}
1986	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1987	};	2135	};
1988	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2139	}
1992		2140
1993	sub save {	2141	sub save {
1994	my ($self) = @_;	2142	my ($self) = @_;
1995		2143
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2145
1998	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1999		2147
2000	return unless $self->dirty;	2148	return unless $self->dirty;
2001		2149
…		…
2007	return if $self->{deny_save};	2155	return if $self->{deny_save};
2008		2156
2009	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
2010		2158
2011	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2013	};	2162	};
		2163
		2164	cf::get_slot 0.02;
2014		2165
2015	if ($uniq) {	2166	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2169	} else {
…		…
2024	my ($self) = @_;	2175	my ($self) = @_;
2025		2176
2026	# save first because save cedes	2177	# save first because save cedes
2027	$self->save;	2178	$self->save;
2028		2179
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2181
2031	return if $self->players;	2182	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2184	return if $self->{deny_save};
2034		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2190	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2191	}
2038		2192
2039	sub reset_at {	2193	sub reset_at {
2040	my ($self) = @_;	2194	my ($self) = @_;
2041		2195
…		…
2073	if $uniq;	2227	if $uniq;
2074	}	2228	}
2075		2229
2076	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
2077		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2234	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2235
2082	$self->unlink_save;	2236	$self->unlink_save;
2083	$self->destroy;	2237	$self->destroy;
2084	}	2238	}
2085		2239
2086	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
2087		2241
2088	sub nuke {	2242	sub nuke {
2089	my ($self) = @_;	2243	my ($self) = @_;
2090		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
2091	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
2092		2249
2093	$self->unlink_save;	2250	$self->unlink_save;
2094		2251
2095	bless $self, "cf::map";	2252	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2257
2101	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
2102		2260
2103	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
2104	}	2262	}
2105		2263
2106	=item $maps = cf::map::tmp_maps	2264	=item $maps = cf::map::tmp_maps
…		…
2148		2306
2149	sub unique_maps() {	2307	sub unique_maps() {
2150	[	2308	[
2151	map {	2309	map {
2152	utf8::decode $_;	2310	utf8::decode $_;
2153	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2154	? normalise $_	2314	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2316	]
2158	}	2317	}
2159		2318
2160	package cf;
2161
2162	=back	2319	=back
2163		2320
2164	=head3 cf::object	2321	=head3 cf::object
2165		2322
2166	=cut	2323	=cut
…		…
2169		2326
2170	=over 4	2327	=over 4
2171		2328
2172	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2173		2330
2174	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2175		2333
2176	=cut	2334	=cut
2177		2335
2178	sub inv_recursive_;	2336	sub inv_recursive_;
2179	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2182		2340
2183	sub inv_recursive {	2341	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2185	}	2343	}
2186		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
2187	package cf;	2373	package cf;
2188		2374
2189	=back	2375	=back
2190		2376
2191	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2200		2386
2201	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
2202		2402
2203	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2404	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
2213		2413
2214	} else {	2414	} else {
2215	my $pl = $self->contr;	2415	my $pl = $self->contr;
2216		2416
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2420
2226	} else {	2421	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2424	}
2230	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
2231	}	2436	}
2232		2437
2233	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
2234		2439
2235	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
2248		2453
2249	=item $player_object->enter_link	2454	=item $player_object->enter_link
2250		2455
2251	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2252		2457
2253	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2254	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2255		2462
2256	Will never block.	2463	Will never block.
2257		2464
2258	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2259		2466
…		…
2314	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
2317		2524
2318	$map->load;	2525	$map->load;
2319	$map->load_diag;	2526	$map->load_neighbours;
2320		2527
2321	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2322	$self->activate_recursive;	2530	$self->activate_recursive;
2323		2531
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2326	}	2534	}
…		…
2331	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2332	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2333	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2542	be called at the end of this process.
2335		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2336	=cut	2547	=cut
2337		2548
2338	our $GOTOGEN;	2549	our $GOTOGEN;
2339		2550
2340	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2556
2346	$self->enter_link;	2557	$self->enter_link;
2347		2558
2348	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
2349	my $map = eval {	2581	my $map = eval {
2350	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
2351		2583
2352	if ($map) {	2584	if ($map) {
2353	$map = $map->customise_for ($self);	2585	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2586	$map = $check->($map) if $check && $map;
2355	} else {	2587	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2589	}
2358		2590
2359	$map	2591	$map
2360	};	2592	};
2361		2593
…		…
2397	}	2629	}
2398		2630
2399	sub prepare_random_map {	2631	sub prepare_random_map {
2400	my ($exit) = @_;	2632	my ($exit) = @_;
2401		2633
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2636	# that depends on the exit object
2407		2637
2408	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2640	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2415	}	2647	}
2416		2648
2417	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2418		2650
2419	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2422		2654
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2657	undef $fh;
2426	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2427		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2430	}	2666	}
2431	}	2667	}
2432		2668
2433	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2435		2671
2436	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2437		2673
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2674	$self->enter_link;
2450		2675
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2676	(async {
2456	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2457	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2458	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2459		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2460	1;	2700	1
2461	}) {	2701	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2464	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2706
2467	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2497		2737
2498	=cut	2738	=cut
2499		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/uptime" => {
		2809	id => "infobox",
		2810	title => "Uptime",
		2811	reply => undef,
		2812	tooltip => "How long the server has been running since last restart",
		2813	},
		2814	"c/mapinfo" => {
		2815	id => "infobox",
		2816	title => "Map Info",
		2817	reply => undef,
		2818	tooltip => "Information related to the maps",
		2819	},
		2820	"c/party" => {
		2821	id => "party",
		2822	title => "Party",
		2823	reply => "gsay ",
		2824	tooltip => "Messages and chat related to your party",
		2825	},
		2826	"c/death" => {
		2827	id => "death",
		2828	title => "Death",
		2829	reply => undef,
		2830	tooltip => "Reason for and more info about your most recent death",
		2831	},
		2832	"c/say" => $SAY_CHANNEL,
		2833	"c/chat" => $CHAT_CHANNEL,
		2834	);
		2835
2500	sub cf::client::send_msg {	2836	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2837	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2838
2503	$msg = $self->pl->expand_cfpod ($msg);	2839	$msg = $self->pl->expand_cfpod ($msg)
		2840	unless $color & cf::NDI_VERBATIM;
2504		2841
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2842	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2843
		2844	# check predefined channels, for the benefit of C
		2845	if ($CHANNEL{$channel}) {
		2846	$channel = $CHANNEL{$channel};
		2847
		2848	$self->ext_msg (channel_info => $channel);
		2849	$channel = $channel->{id};
		2850
2507	if (ref $channel) {	2851	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2852	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2853	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2854	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2855	$self->ext_msg (channel_info => $channel);
2512	}	2856	}
2513		2857
2514	$channel = $channel->{id};	2858	$channel = $channel->{id};
2515	}	2859	}
2516		2860
2517	return unless @extra || length $msg;	2861	return unless @extra || length $msg;
2518		2862
2519	if ($self->can_msg) {	2863	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	2865	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		2866
2532	if ($color >= 0) {	2867	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	2868	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	2869	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	2870	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if (8192 < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
2543	=item $client->ext_event ($type, %msg)	2885	=item $client->ext_msg ($type, @msg)
2544		2886
2545	Sends an ext event to the client.	2887	Sends an ext event to the client.
2546		2888
2547	=cut	2889	=cut
2548		2890
2549	sub cf::client::ext_event($$%) {	2891	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	2892	my ($self, $type, @msg) = @_;
2551		2893
2552	return unless $self->extcmd;	2894	if ($self->extcmd == 2) {
2553		2895	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2896	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	2897	push @msg, msgtype => "event_$type";
2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
		2900	}
		2901
		2902	=item $client->ext_reply ($msgid, @msg)
		2903
		2904	Sends an ext reply to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_reply($$@) {
		2909	my ($self, $id, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2913	} elsif ($self->extcmd == 1) {
		2914	#TODO: version 1, remove
		2915	unshift @msg, msgtype => "reply", msgid => $id;
		2916	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2917	}
2556	}	2918	}
2557		2919
2558	=item $success = $client->query ($flags, "text", \&cb)	2920	=item $success = $client->query ($flags, "text", \&cb)
2559		2921
2560	Queues a query to the client, calling the given callback with	2922	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	2977	my ($ns, $buf) = @_;
2616		2978
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2979	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		2980
2619	if (ref $msg) {	2981	if (ref $msg) {
		2982	my ($type, $reply, @payload) =
		2983	"ARRAY" eq ref $msg
		2984	? @$msg
		2985	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2986
		2987	my @reply;
		2988
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2989	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	2990	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	2991	}
		2992
		2993	$ns->ext_reply ($reply, @reply)
		2994	if $reply;
		2995
2626	} else {	2996	} else {
2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2997	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2628	}	2998	}
2629		2999
2630	cf::override;	3000	cf::override;
…		…
2677	our $safe = new Safe "safe";	3047	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3048	our $safe_hole = new Safe::Hole;
2679		3049
2680	$SIG{FPE} = 'IGNORE';	3050	$SIG{FPE} = 'IGNORE';
2681		3051
2682	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3052	$safe->permit_only (Opcode::opset qw(
		3053	:base_core :base_mem :base_orig :base_math
		3054	grepstart grepwhile mapstart mapwhile
		3055	sort time
		3056	));
2683		3057
2684	# here we export the classes and methods available to script code	3058	# here we export the classes and methods available to script code
2685		3059
2686	=pod	3060	=pod
2687		3061
2688	The following functions and methods are available within a safe environment:	3062	The following functions and methods are available within a safe environment:
2689		3063
2690	cf::object	3064	cf::object
2691	contr pay_amount pay_player map x y force_find force_add	3065	contr pay_amount pay_player map x y force_find force_add destroy
2692	insert remove	3066	insert remove name archname title slaying race decrease split
		3067	value
2693		3068
2694	cf::object::player	3069	cf::object::player
2695	player	3070	player
2696		3071
2697	cf::player	3072	cf::player
…		…
2702		3077
2703	=cut	3078	=cut
2704		3079
2705	for (	3080	for (
2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3081	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2707	insert remove)],	3082	insert remove inv nrof name archname title slaying race
		3083	decrease split destroy change_exp value msg lore send_msg)],
2708	["cf::object::player" => qw(player)],	3084	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3085	["cf::player" => qw(peaceful send_msg)],
2710	["cf::map" => qw(trigger)],	3086	["cf::map" => qw(trigger)],
2711	) {	3087	) {
2712	no strict 'refs';	3088	no strict 'refs';
2713	my ($pkg, @funs) = @$_;	3089	my ($pkg, @funs) = @$_;
2714	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2731	my ($code, %vars) = @_;	3107	my ($code, %vars) = @_;
2732		3108
2733	my $qcode = $code;	3109	my $qcode = $code;
2734	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3110	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2735	$qcode =~ s/\n/\\n/g;	3111	$qcode =~ s/\n/\\n/g;
		3112
		3113	%vars = (_dummy => 0) unless %vars;
2736		3114
2737	local $_;	3115	local $_;
2738	local @safe::cf::_safe_eval_args = values %vars;	3116	local @safe::cf::_safe_eval_args = values %vars;
2739		3117
2740	my $eval =	3118	my $eval =
…		…
2788	# the server's init and main functions	3166	# the server's init and main functions
2789		3167
2790	sub load_facedata($) {	3168	sub load_facedata($) {
2791	my ($path) = @_;	3169	my ($path) = @_;
2792		3170
		3171	# HACK to clear player env face cache, we need some signal framework
		3172	# for this (global event?)
		3173	%ext::player_env::MUSIC_FACE_CACHE = ();
		3174
		3175	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3176
2793	warn "loading facedata from $path\n";	3177	warn "loading facedata from $path\n";
2794		3178
2795	my $facedata;	3179	my $facedata;
2796	0 < aio_load $path, $facedata	3180	0 < aio_load $path, $facedata
2797	or die "$path: $!";	3181	or die "$path: $!";
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3183	$facedata = Coro::Storable::thaw $facedata;
2800		3184
2801	$facedata->{version} == 2	3185	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3186	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		3187
		3188	# patch in the exptable
		3189	$facedata->{resource}{"res/exp_table"} = {
		3190	type => FT_RSRC,
		3191	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3192	};
		3193	cf::cede_to_tick;
		3194
2804	{	3195	{
2805	my $faces = $facedata->{faceinfo};	3196	my $faces = $facedata->{faceinfo};
2806		3197
2807	while (my ($face, $info) = each %$faces) {	3198	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3199	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3200
2809	cf::face::set_visibility $idx, $info->{visibility};	3201	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3202	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3203	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3204	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2813		3205
2814	cf::cede_to_tick;	3206	cf::cede_to_tick;
2815	}	3207	}
2816		3208
2817	while (my ($face, $info) = each %$faces) {	3209	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3210	next unless $info->{smooth};
		3211
2819	my $idx = cf::face::find $face	3212	my $idx = cf::face::find $face
2820	or next;	3213	or next;
		3214
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3215	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3216	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3217	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3218	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3219	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2842		3236
2843	{	3237	{
2844	# TODO: for gcfclient pleasure, we should give resources	3238	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.	3239	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3240	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3241
2849	while (my ($name, $info) = each %$res) {	3242	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3243	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3244	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3245	my $data;
2857		3246
2858	if ($name =~ /\.jpg$/) {	3247	if ($info->{type} & 1) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3248	# prepend meta info
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3249
		3250	my $meta = $enc->encode ({
		3251	name => $name,
		3252	%{ $info->{meta} || {} },
		3253	});
		3254
		3255	$data = pack "(w/a*)*", $meta, $info->{data};
		3256	} else {
		3257	$data = $info->{data};
		3258	}
		3259
		3260	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3261	cf::face::set_type $idx, $info->{type};
2861	} else {	3262	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3263	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3264	}
2868		3265
2869	cf::cede_to_tick;	3266	cf::cede_to_tick;
2870	}	3267	}
2871	}	3268	}
2872		3269
		3270	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3271
2873	1	3272	1
2874	}	3273	}
2875		3274
		3275	cf::global->attach (on_resource_update => sub {
		3276	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3277	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3278
		3279	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3280	my $sound = $soundconf->{compat}[$_]
		3281	or next;
		3282
		3283	my $face = cf::face::find "sound/$sound->[1]";
		3284	cf::sound::set $sound->[0] => $face;
		3285	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3286	}
		3287
		3288	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3289	my $face = cf::face::find "sound/$v";
		3290	cf::sound::set $k => $face;
		3291	}
		3292	}
		3293	});
		3294
		3295	register_exticmd fx_want => sub {
		3296	my ($ns, $want) = @_;
		3297
		3298	while (my ($k, $v) = each %$want) {
		3299	$ns->fx_want ($k, $v);
		3300	}
		3301	};
		3302
		3303	sub load_resource_file($) {
		3304	my $guard = lock_acquire "load_resource_file";
		3305
		3306	my $status = load_resource_file_ $_[0];
		3307	get_slot 0.1, 100;
		3308	cf::arch::commit_load;
		3309
		3310	$status
		3311	}
		3312
2876	sub reload_regions {	3313	sub reload_regions {
		3314	# HACK to clear player env face cache, we need some signal framework
		3315	# for this (global event?)
		3316	%ext::player_env::MUSIC_FACE_CACHE = ();
		3317
2877	load_resource_file "$MAPDIR/regions"	3318	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3319	or die "unable to load regions file\n";
2879		3320
2880	for (cf::region::list) {	3321	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3322	$_->{match} = qr/$_->{match}/
…		…
2889	}	3330	}
2890		3331
2891	sub reload_archetypes {	3332	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3333	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3334	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3335	}
2900		3336
2901	sub reload_treasures {	3337	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3338	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3339	or die "unable to load treasurelists\n";
2904	}	3340	}
2905		3341
2906	sub reload_resources {	3342	sub reload_resources {
2907	warn "reloading resource files...\n";	3343	warn "reloading resource files...\n";
2908		3344
		3345	reload_facedata;
		3346	reload_archetypes;
2909	reload_regions;	3347	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3348	reload_treasures;
2914		3349
2915	warn "finished reloading resource files\n";	3350	warn "finished reloading resource files\n";
2916	}	3351	}
2917		3352
2918	sub init {	3353	sub reload_config {
2919	reload_resources;
2920	}
2921
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3355	or return;
2925		3356
2926	local $/;	3357	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2928		3359
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3361
2931	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2932	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2938	};	3369	};
2939	warn $@ if $@;	3370	warn $@ if $@;
2940	}	3371	}
2941	}	3372	}
2942		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2943	sub main {	3393	sub main {
		3394	cf::init_globals; # initialise logging
		3395
		3396	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3397	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3398	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3399	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3400
		3401	cf::init_experience;
		3402	cf::init_anim;
		3403	cf::init_attackmess;
		3404	cf::init_dynamic;
		3405
		3406	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3407
2944	# we must not ever block the main coroutine	3408	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3409	local $Coro::idle = sub {
2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3410	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2947	(async {	3411	(async {
2948	Event::one_event;	3412	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3413	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3414	})->prio (Coro::PRIO_MAX);
2950	};	3415	};
2951		3416
2952	cfg_load;	3417	evthread_start IO::AIO::poll_fileno;
		3418
		3419	cf::sync_job {
		3420	reload_resources;
		3421	reload_config;
2953	db_init;	3422	db_init;
		3423
		3424	cf::load_settings;
		3425	cf::load_materials;
		3426	cf::init_uuid;
		3427	cf::init_signals;
		3428	cf::init_commands;
		3429	cf::init_skills;
		3430
		3431	cf::init_beforeplay;
		3432
		3433	atomic;
		3434
2954	load_extensions;	3435	load_extensions;
2955		3436
2956	$TICK_WATCHER->start;	3437	utime time, time, $RUNTIMEFILE;
		3438
		3439	# no (long-running) fork's whatsoever before this point(!)
		3440	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3441
		3442	(pop @POST_INIT)->(0) while @POST_INIT;
		3443	};
		3444
2957	Event::loop;	3445	EV::loop;
2958	}	3446	}
2959		3447
2960	#############################################################################	3448	#############################################################################
2961	# initialisation and cleanup	3449	# initialisation and cleanup
2962		3450
2963	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
2964	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3456	cf::cleanup "SIG$signal";
2973	},
2974	);	3457	};
2975	}	3458	}
2976	}	3459	}
2977		3460
2978	sub write_runtime {	3461	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";
2980
2981	# first touch the runtime file to show we are still running:	3462	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3463	# the fsync below can take a very very long time.
2983		3464
2984	IO::AIO::aio_utime $runtime, undef, undef;	3465	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3466
2986	my $guard = cf::lock_acquire "write_runtime";	3467	my $guard = cf::lock_acquire "write_runtime";
2987		3468
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3469	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2989	or return;	3470	or return;
2990		3471
2991	my $value = $cf::RUNTIME + 90 + 10;	3472	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3473	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3474	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3484	aio_utime $fh, undef, undef;
3004		3485
3005	close $fh	3486	close $fh
3006	or return;	3487	or return;
3007		3488
3008	aio_rename "$runtime~", $runtime	3489	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3490	and return;
3010		3491
3011	warn "runtime file written.\n";	3492	warn "runtime file written.\n";
3012		3493
3013	1	3494	1
		3495	}
		3496
		3497	our $uuid_lock;
		3498	our $uuid_skip;
		3499
		3500	sub write_uuid_sync($) {
		3501	$uuid_skip ||= $_[0];
		3502
		3503	return if $uuid_lock;
		3504	local $uuid_lock = 1;
		3505
		3506	my $uuid = "$LOCALDIR/uuid";
		3507
		3508	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3509	or return;
		3510
		3511	my $value = uuid_seq uuid_cur;
		3512
		3513	unless ($value) {
		3514	warn "cowardly refusing to write zero uuid value!\n";
		3515	return;
		3516	}
		3517
		3518	my $value = uuid_str $value + $uuid_skip;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
3014	}	3545	}
3015		3546
3016	sub emergency_save() {	3547	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
3018		3549
3019	warn "enter emergency perl save\n";	3550	warn "emergency_perl_save: enter\n";
3020		3551
3021	cf::sync_job {	3552	cf::sync_job {
		3553	# this is a trade-off: we want to be very quick here, so
		3554	# save all maps without fsync, and later call a global sync
		3555	# (which in turn might be very very slow)
		3556	local $USE_FSYNC = 0;
		3557
3022	# use a peculiar iteration method to avoid tripping on perl	3558	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3559	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3560	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3561	warn "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3562	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3563	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3564	$pl->valid or next;
		3565	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3566	$pl->save;
3030	}	3567	}
3031	warn "end emergency player save\n";	3568	warn "emergency_perl_save: end player save\n";
3032		3569
3033	warn "begin emergency map save\n";	3570	warn "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3571	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3572	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3573	$map->valid or next;
3037	$map->save;	3574	$map->save;
3038	}	3575	}
3039	warn "end emergency map save\n";	3576	warn "emergency_perl_save: end map save\n";
3040		3577
3041	warn "begin emergency database checkpoint\n";	3578	warn "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
3043	warn "end emergency database checkpoint\n";	3580	warn "emergency_perl_save: end database checkpoint\n";
		3581
		3582	warn "emergency_perl_save: begin write uuid\n";
		3583	write_uuid_sync 1;
		3584	warn "emergency_perl_save: end write uuid\n";
3044	};	3585	};
3045		3586
		3587	warn "emergency_perl_save: starting sync()\n";
		3588	IO::AIO::aio_sync sub {
		3589	warn "emergency_perl_save: finished sync()\n";
		3590	};
		3591
3046	warn "leave emergency perl save\n";	3592	warn "emergency_perl_save: leave\n";
3047	}	3593	}
3048		3594
3049	sub post_cleanup {	3595	sub post_cleanup {
3050	my ($make_core) = @_;	3596	my ($make_core) = @_;
3051		3597
3052	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3053	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
3054	}	3629	}
3055		3630
3056	sub do_reload_perl() {	3631	sub do_reload_perl() {
3057	# can/must only be called in main	3632	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3060	return;	3635	return;
3061	}	3636	}
3062		3637
		3638	return if $RELOAD++;
		3639
		3640	my $t1 = EV::time;
		3641
		3642	while ($RELOAD) {
3063	warn "reloading...";	3643	warn "reloading...";
3064		3644
3065	warn "entering sync_job";	3645	warn "entering sync_job";
3066		3646
3067	cf::sync_job {	3647	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3649	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3071		3651
3072	warn "syncing database to disk";	3652	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3653	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3654
3075	# if anything goes wrong in here, we should simply crash as we already saved	3655	# if anything goes wrong in here, we should simply crash as we already saved
3076		3656
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3657	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3658	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3659	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3660	}
3114		3661
3115	warn "... nuking $pkg";	3662	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3663	$_->cancel for values %EXT_CORO;
3117	}	3664	%EXT_CORO = ();
3118		3665
3119	warn "unloading all perl modules loaded from $LIBDIR";	3666	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3667	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3668
		3669	warn "removing ext/exti commands";
		3670	%EXTCMD = ();
		3671	%EXTICMD = ();
		3672
		3673	warn "unloading/nuking all extensions";
		3674	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3675	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3676
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3677	if (my $cb = $pkg->can ("unload")) {
		3678	eval {
3130	$cb->();	3679	$cb->($pkg);
		3680	1
		3681	} or warn "$pkg unloaded, but with errors: $@";
		3682	}
		3683
		3684	warn "... clearing $pkg";
		3685	clear_package $pkg;
3131	}	3686	}
3132		3687
3133	Symbol::delete_package $k;	3688	warn "unloading all perl modules loaded from $LIBDIR";
		3689	while (my ($k, $v) = each %INC) {
		3690	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3691
		3692	warn "... unloading $k";
		3693	delete $INC{$k};
		3694
		3695	$k =~ s/\.pm$//;
		3696	$k =~ s/\//::/g;
		3697
		3698	if (my $cb = $k->can ("unload_module")) {
		3699	$cb->();
		3700	}
		3701
		3702	clear_package $k;
3134	}	3703	}
3135		3704
3136	warn "getting rid of safe::, as good as possible";	3705	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3706	clear_package "safe::$_"
3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3707	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3139		3708
3140	warn "unloading cf.pm \"a bit\"";	3709	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3710	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3711	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3143		3712
3144	# don't, removes xs symbols, too,	3713	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3714	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3715	#clear_package __PACKAGE__;
3147		3716
3148	warn "unload completed, starting to reload now";	3717	warn "unload completed, starting to reload now";
3149		3718
3150	warn "reloading cf.pm";	3719	warn "reloading cf.pm";
3151	require cf;	3720	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3721	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3153		3722
3154	warn "loading config and database again";	3723	warn "loading config and database again";
3155	cf::cfg_load;	3724	cf::reload_config;
3156		3725
3157	warn "loading extensions";	3726	warn "loading extensions";
3158	cf::load_extensions;	3727	cf::load_extensions;
3159		3728
		3729	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
		3736	}
3166		3737
		3738	warn "running post_init jobs";
		3739	(pop @POST_INIT)->(1) while @POST_INIT;
		3740
3167	warn "leaving sync_job";	3741	warn "leaving sync_job";
3168		3742
3169	1	3743	1
3170	} or do {	3744	} or do {
3171	warn $@;	3745	warn $@;
3172	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3747	};
3175		3748
3176	warn "reloaded";	3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752
		3753	$t1 = EV::time - $t1;
		3754	warn "reload completed in ${t1}s\n";
3177	};	3755	};
3178		3756
3179	our $RELOAD_WATCHER; # used only during reload	3757	our $RELOAD_WATCHER; # used only during reload
3180		3758
3181	sub reload_perl() {	3759	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3760	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3761	# coro crashes during coro_state_free->destroy here.
3184		3762
3185	$RELOAD_WATCHER ||= Event->timer (	3763	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3764	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3765
3188	data => WF_AUTOCANCEL,	3766	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3767	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3768	undef $RELOAD_WATCHER;
3192	},	3769	};
3193	);	3770	};
3194	}	3771	}
3195		3772
3196	register_command "reload" => sub {	3773	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3774	my ($who, $arg) = @_;
3198		3775
3199	if ($who->flag (FLAG_WIZ)) {	3776	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3777	$who->message ("reloading server.");
		3778	async {
		3779	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3780	reload_perl;
		3781	};
3202	}	3782	}
3203	};	3783	};
3204		3784
3205	unshift @INC, $LIBDIR;	3785	unshift @INC, $LIBDIR;
3206		3786
…		…
3208		3788
3209	our @WAIT_FOR_TICK;	3789	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3790	our @WAIT_FOR_TICK_BEGIN;
3211		3791
3212	sub wait_for_tick {	3792	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3215		3794
3216	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3796	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3797	$signal->wait;
3219	}	3798	}
3220		3799
3221	sub wait_for_tick_begin {	3800	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3801	return if tick_inhibit || $Coro::current == $Coro::main;
3224		3802
3225	my $signal = new Coro::Signal;	3803	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3804	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3805	$signal->wait;
3228	}	3806	}
3229		3807
3230	my $min = 1e6;#d#	3808	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3809	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3810	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3811	unless ++$bug_warning > 10;
3242	return;	3812	return;
3243	}	3813	}
3244		3814
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3815	cf::server_tick; # one server iteration
3248		3816
3249	0 && sync_job {#d#	3817	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3250	for(1..10) {	3818	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3251	my $t = Event::time;	3819	Coro::async_pool {
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3820	$Coro::current->{desc} = "runtime saver";
3253	or die;	3821	write_runtime_sync
3254		3822	or warn "ERROR: unable to write runtime file: $!";
3255	$map->width (50);
3256	$map->height (50);
3257	$map->alloc;
3258	$map->_load_objects ("/tmp/x.map", 1);
3259	my $t = Event::time - $t;
3260
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3823	};
		3824	}
3271		3825
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3826	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3827	$sig->send;
3288	}	3828	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3829	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3830	$sig->send;
3291	}	3831	}
3292		3832
3293	$NOW = Event::time;	3833	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3834	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3835
3304	_post_tick;	3836	if (0) {
3305		3837	if ($NEXT_TICK) {
3306		3838	my $jitter = $TICK_START - $NEXT_TICK;
		3839	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3840	warn "jitter $JITTER\n";#d#
		3841	}
3307	},	3842	}
3308	);	3843	}
3309		3844
3310	{	3845	{
3311	BDB::max_poll_time $TICK * 0.1;	3846	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3847
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3848	BDB::min_parallel 8;
3321		3849	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3850	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3851
3337	unless ($DB_ENV) {	3852	unless ($DB_ENV) {
3338	$DB_ENV = BDB::db_env_create;	3853	$DB_ENV = BDB::db_env_create;
		3854	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3855	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3856	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3857	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3858	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3339		3859
3340	cf::sync_job {	3860	cf::sync_job {
3341	eval {	3861	eval {
3342	BDB::db_env_open	3862	BDB::db_env_open
3343	$DB_ENV,	3863	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3865	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3866	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	3867	0666;
3348		3868
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3869	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	3870	};
3354		3871
3355	cf::cleanup "db_env_open(db): $@" if $@;	3872	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	3873	};
3357	}	3874	}
		3875
		3876	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3877	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3878	};
		3879	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3880	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3881	};
		3882	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3883	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3884	};
3358	}	3885	}
3359		3886
3360	{	3887	{
		3888	# configure IO::AIO
		3889
3361	IO::AIO::min_parallel 8;	3890	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	3891	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	3892	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	3893	}
3374		3894
3375	my $_log_backtrace;	3895	my $_log_backtrace;
3376		3896
3377	sub _log_backtrace {	3897	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	3900	$msg =~ s/\n//;
3381		3901
3382	# limit the # of concurrent backtraces	3902	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	3903	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	3904	++$_log_backtrace;
		3905	my $perl_bt = Carp::longmess $msg;
3385	async {	3906	async {
		3907	$Coro::current->{desc} = "abt $msg";
		3908
3386	my @bt = fork_call {	3909	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	3910	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3911	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3912	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3390	or die "addr2line: $!";	3913	or die "addr2line: $!";
…		…
3398	}	3921	}
3399		3922
3400	@funcs	3923	@funcs
3401	};	3924	};
3402		3925
3403	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $perl_bt\n";
		3927	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	3928	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	3929	--$_log_backtrace;
3406	};	3930	};
3407	} else {	3931	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $msg\n";
3409	LOG llevInfo, "[ABT] [suppressed]\n";	3933	LOG llevInfo, "[ABT] [suppressed]\n";
3410	}	3934	}
3411	}	3935	}
3412		3936
3413	# load additional modules	3937	# load additional modules
3414	use cf::pod;	3938	require "cf/$_.pm" for @EXTRA_MODULES;
3415		3939
3416	END { cf::emergency_save }	3940	END { cf::emergency_save }
3417		3941
3418	1	3942	1
3419		3943

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