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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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 off
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	}
111		150
112	mkdir $_	151	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		197
159	The raw value load value from the last tick.	198	The raw value load value from the last tick.
160		199
161	=item %cf::CFG	200	=item %cf::CFG
162		201
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	203	from wherever your confdir points to.
165		204
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		206
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	225	$msg .= "\n"
187	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
188		227
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		229
191	utf8::encode $msg;
192	LOG llevError, $msg;	230	LOG llevError, $msg;
193	};	231	};
194	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
195		248
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	259	for my $pkg (qw(
207	cf::global cf::attachable	260	cf::global cf::attachable
208	cf::object cf::object::player	261	cf::object cf::object::player
209	cf::client cf::player	262	cf::client cf::player
210	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
211	cf::map cf::party cf::region	265	cf::party cf::region
212	)) {	266	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	268	}
216		269
217	$Event::DIED = sub {	270	$EV::DIED = sub {
218	warn "error in event callback: @_";	271	warn "error in event callback: @_";
219	};	272	};
220		273
221	#############################################################################	274	#############################################################################
222		275
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	299	$d
247	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
248	}	301	}
249		302
250	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
251		304
252	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
253		306
254	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
255		308
256	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
257		310
258	=cut	311	=cut
259		312
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		314
262	sub to_json ($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
264		331
265	=item cf::lock_wait $string	332	=item cf::lock_wait $string
266		333
267	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
268		335
269	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
270		337
271	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
274	returned.	341	returned.
275		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
276	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
278		348
279	=item $locked = cf::lock_active $string	349	=item $locked = cf::lock_active $string
280		350
281	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
282		352
283	=cut	353	=cut
284		354
285	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
286		356
287	sub lock_wait($) {	357	sub lock_wait($) {
288	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	359	}
296		360
297	sub lock_acquire($) {	361	sub lock_acquire($) {
298	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
310		364
311	sub lock_active($) {	365	sub lock_active($) {
312	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	367	}
316		368
317	sub freeze_mainloop {	369	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
319		371
320	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	373	}
		374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
322	};	433	}
323	$TICK_WATCHER->stop;	434	};
324	$guard	435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
325	}	448	}
326		449
327	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
328		451
329	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		457
335	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
336		459
337	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
338		461
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	462	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	463	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	465	acceptable.
343		466
344	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		473
351	sub sync_job(&) {	474	sub sync_job(&) {
352	my ($job) = @_;	475	my ($job) = @_;
353		476
354	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	478	my $time = EV::time;
356		479
357	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
359		482
360	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	484
362	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
363		486
364	my $busy = 1;	487	my $busy = 1;
365	my @res;	488	my @res;
366		489
367	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	492	@res = eval { $job->() };
369	warn $@ if $@;	493	warn $@ if $@;
370	undef $busy;	494	undef $busy;
371	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
372		496
373	while ($busy) {	497	while ($busy) {
374	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
375	}	502	}
		503	}
376		504
377	$time = Event::time - $time;	505	my $time = EV::time - $time;
378		506
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	507	$TICK_START += $time; # do not account sync jobs to server load
383		508
384	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
385	} else {	510	} else {
386	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
387		512
…		…
412	=item fork_call { }, $args	537	=item fork_call { }, $args
413		538
414	Executes the given code block with the given arguments in a seperate	539	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	540	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	541	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	542	never block itself or use any form of event handling.
418		543
419	=cut	544	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		545
430	sub fork_call(&@) {	546	sub fork_call(&@) {
431	my ($cb, @args) = @_;	547	my ($cb, @args) = @_;
432		548
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	549	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	550	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	551	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		552
438	if (my $pid = fork) {	553	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	554	reset_signals;
452	local $SIG{__WARN__};	555	&$cb
453	local $SIG{__DIE__};	556	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		557
460	eval {	558	wantarray ? @res : $res[-1]
461	close $fh1;	559	}
462		560
463	my @res = eval { $cb->(@args) };	561	=item $coin = coin_from_name $name
464		562
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	563	=cut
466	close $fh2;
467	};
468		564
469	warn $@ if $@;	565	our %coin_alias = (
470	_exit 0;	566	"silver" => "silvercoin",
471	}	567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
472	}	586	}
473		587
474	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
475		589
476	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	592	=item cf::db_put $family => $key => $value
479		593
480	Stores the given C<$value> in the family. It can currently store binary	594	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
483	=cut	602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
484		620
485	our $DB;	621	our $DB;
486		622
487	sub db_init {	623	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	624	cf::sync_job {
492	eval {	625	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	626	};
502	}	627	}
503		628
504	sub db_get($$) {	629	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	630	my $key = "$_[0]/$_[1]";
506		631
…		…
556	if (1) {	681	if (1) {
557	$md5 =	682	$md5 =
558	join "\x00",	683	join "\x00",
559	$processversion,	684	$processversion,
560	map {	685	map {
561	Coro::cede;	686	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	687	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	688	} 0.. $#$src;
564		689
565		690
566	my $dbmd5 = db_get cache => "$id/md5";	691	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		729
605	#############################################################################	730	#############################################################################
606		731
607	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
608		733
609	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
612		737
613	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	740	Deliantra).
616		741
617	=over 4	742	=over 4
618		743
619	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
620		745
…		…
664	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
665		790
666	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
668		793
669	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
671		796
672	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
673		798
674	=over 4	799	=over 4
…		…
902	}	1027	}
903		1028
904	0	1029	0
905	}	1030	}
906		1031
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1033
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1035
911	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
912		1037
…		…
919	=cut	1044	=cut
920		1045
921	#############################################################################	1046	#############################################################################
922	# object support	1047	# object support
923		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
		1090
924	sub reattach {	1091	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1093	my ($obj) = @_;
927		1094
		1095	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1097
930	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
931		1099
932	@$registry = ();	1100	@$registry = ();
933		1101
…		…
948	cf::attachable->attach (	1116	cf::attachable->attach (
949	prio => -1000000,	1117	prio => -1000000,
950	on_instantiate => sub {	1118	on_instantiate => sub {
951	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
952		1120
953	$data = from_json $data;	1121	$data = decode_json $data;
954		1122
955	for (@$data) {	1123	for (@$data) {
956	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
957		1125
958	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1142	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
976		1144
977	sync_job {	1145	sync_job {
978	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
981		1150
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
986	close $fh;	1155	aio_close $fh;
987		1156
988	if (@$objs) {	1157	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
994	close $fh;	1163	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
996	}	1165	}
997	} else {	1166	} else {
998	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
999	}	1168	}
1000		1169
1001	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1174	} else {
1003	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1004	}	1176	}
1005	} else {	1177	} else {
1006	aio_unlink $filename;	1178	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1008	}	1180	}
1009	}	1181	};
1010	}	1182	}
1011		1183
1012	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
1014		1186
…		…
1026	or return;	1198	or return;
1027		1199
1028	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1202	or return;
		1203
1031	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
1032	}	1206	}
1033		1207
		1208	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1210	$decname, length $data, scalar @{$av || []};
		1211
1036	return ($data, $av);	1212	($data, $av)
1037	}	1213	}
1038		1214
1039	=head2 COMMAND CALLBACKS	1215	=head2 COMMAND CALLBACKS
1040		1216
1041	=over 4	1217	=over 4
…		…
1095	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1096		1272
1097	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1098	}	1274	}
1099		1275
		1276	use File::Glob ();
		1277
1100	cf::player->attach (	1278	cf::player->attach (
1101	on_command => sub {	1279	on_command => sub {
1102	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1103		1281
1104	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1114	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1115		1293
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1295
1118	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1124	} else {	1311	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1313	}
1127		1314
1128	cf::override;	1315	cf::override;
1129	},	1316	},
1130	);	1317	);
		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
1131		1331
1132	sub load_extensions {	1332	sub load_extensions {
1133	cf::sync_job {	1333	cf::sync_job {
1134	my %todo;	1334	my %todo;
1135		1335
…		…
1155		1355
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1358
1159	$ext{source} =	1359	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1162	. $source	1362	. $source
1163	. "\n};\n1";	1363	. "\n};\n1";
1164		1364
1165	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1181	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1182	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1183		1383
1184	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1185	warn $msg;	1385	warn $msg;
1186	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1187	exit 1;
1188	}	1387	}
1189		1388
1190	warn $msg;	1389	warn $msg;
1191	}	1390	}
1192		1391
…		…
1206		1405
1207	=back	1406	=back
1208		1407
1209	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1210		1409
1211	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1212		1411
1213	=cut	1412	=cut
1214		1413
1215	package cf::player;	1414	package cf::player;
1216		1415
1217	use Coro::AIO;	1416	use Coro::AIO;
1218		1417
1219	=head3 cf::player	1418	=head3 cf::player
1220		1419
1221	=over 4	1420	=over 4
		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
1222		1435
1223	=item cf::player::find $login	1436	=item cf::player::find $login
1224		1437
1225	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1226		1439
…		…
1245		1458
1246	sub exists($) {	1459	sub exists($) {
1247	my ($login) = @_;	1460	my ($login) = @_;
1248		1461
1249	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1251	}	1464	}
1252		1465
1253	sub find($) {	1466	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1468	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1478	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1479
1267	my $pl = load_pl path $login	1480	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1270	}	1489	}
1271	}	1490	}
1272	}	1491	}
1273		1492
…		…
1282	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1283		1502
1284	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1286		1505
		1506	cf::get_slot 0.01;
		1507
1287	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1288	Coro::cede;	1509	cf::cede_to_tick;
1289	}	1510	}
1290		1511
1291	sub new($) {	1512	sub new($) {
1292	my ($login) = @_;	1513	my ($login) = @_;
1293		1514
…		…
1299	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1300		1521
1301	$self	1522	$self
1302	}	1523	}
1303		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1304	=item $pl->quit_character	1535	=item $pl->quit_character
1305		1536
1306	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1308		1539
…		…
1312	my ($pl) = @_;	1543	my ($pl) = @_;
1313		1544
1314	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1315		1546
1316	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1549
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1323		1556
1324	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1594	or return [];
1362		1595
1363	my @logins;	1596	my @logins;
1364		1597
1365	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1369		1608
1370	utf8::decode $login;	1609	utf8::decode $login;
1371	push @logins, $login;	1610	push @logins, $login;
1372	}	1611	}
1373		1612
…		…
1400	}	1639	}
1401		1640
1402	\@paths	1641	\@paths
1403	}	1642	}
1404		1643
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1645
1407	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1408		1647
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1456		1649
1457	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1458		1651
1459	=cut	1652	=cut
1460		1653
1461	sub ext_reply($$%) {	1654	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1463		1656
1464	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1658	}
1467		1659
1468	=item $player->ext_event ($type, %msg)	1660	=item $player->ext_msg ($type, @msg)
1469		1661
1470	Sends an ext event to the client.	1662	Sends an ext event to the client.
1471		1663
1472	=cut	1664	=cut
1473		1665
1474	sub ext_event($$%) {	1666	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1667	my ($self, $type, @msg) = @_;
1476		1668
1477	$self->ns->ext_event ($type, %msg);	1669	$self->ns->ext_msg ($type, @msg);
1478	}	1670	}
1479		1671
1480	=head3 cf::region	1672	=head3 cf::region
1481		1673
1482	=over 4	1674	=over 4
…		…
1526	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1528		1720
1529	sub generate_random_map {	1721	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1531	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1727	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1657		1852
1658	# the temporary/swap location	1853	# the temporary/swap location
1659	sub save_path {	1854	sub save_path {
1660	my ($self) = @_;	1855	my ($self) = @_;
1661		1856
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1664	}	1859	}
1665		1860
1666	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1667	sub uniq_path {	1862	sub uniq_path {
1668	my ($self) = @_;	1863	my ($self) = @_;
1669		1864
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	1867	}
1682		1868
1683	sub decay_objects {	1869	sub decay_objects {
1684	my ($self) = @_;	1870	my ($self) = @_;
1685		1871
…		…
1698		1884
1699	sub load_header_from($) {	1885	sub load_header_from($) {
1700	my ($self, $path) = @_;	1886	my ($self, $path) = @_;
1701		1887
1702	utf8::encode $path;	1888	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	1890	or return;
		1891
		1892	$self->_load_header ($f)
		1893	or return;
		1894
		1895	local $MAP_LOADING{$self->{path}} = $self;
		1896	$f->resolve_delayed_derefs;
1708		1897
1709	$self->{load_path} = $path;	1898	$self->{load_path} = $path;
1710		1899
1711	1	1900	1
1712	}	1901	}
…		…
1766	sub find {	1955	sub find {
1767	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1768		1957
1769	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1770		1959
		1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1772		1962
1773	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1776	or return;	1965	or return;
1777		1966
1778	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1779		1968
…		…
1781	or return;	1970	or return;
1782		1971
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1786	$map->reset;	1977	$map->reset;
1787	undef $guard;
1788	return find $path;	1978	return find $path;
1789	}	1979	}
1790		1980
1791	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
1792	}	1982	}
…		…
1801	local $self->{deny_reset} = 1; # loading can take a long time	1991	local $self->{deny_reset} = 1; # loading can take a long time
1802		1992
1803	my $path = $self->{path};	1993	my $path = $self->{path};
1804		1994
1805	{	1995	{
1806	my $guard = cf::lock_acquire "map_load:$path";	1996	my $guard = cf::lock_acquire "map_data:$path";
1807		1997
		1998	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2000
1810	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1811		2002
1812	$self->alloc;	2003	$self->alloc;
1813		2004
1814	$self->pre_load;	2005	$self->pre_load;
1815	Coro::cede;	2006	cf::cede_to_tick;
1816		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2010	$self->_load_objects ($f)
1818	or return;	2011	or return;
1819		2012
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1821	if delete $self->{load_original};	2014	if delete $self->{load_original};
1822		2015
1823	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2017	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2020	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1828	}	2024	}
1829	}	2025	}
1830		2026
1831	Coro::cede;	2027	$f->resolve_delayed_derefs;
		2028
		2029	cf::cede_to_tick;
1832	# now do the right thing for maps	2030	# now do the right thing for maps
1833	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2033	unless $self->difficulty;
1836	Coro::cede;	2034	cf::cede_to_tick;
1837		2035
1838	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2037	$self->decay_objects;
1840	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1841	$self->update_buttons;	2039	$self->update_buttons;
1842	Coro::cede;	2040	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2041	$self->activate;
1846	}	2042	}
1847		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2048	}
1850		2049
1851	$self->post_load;	2050	$self->post_load;
1852	}	2051	}
1853		2052
…		…
1862		2061
1863	$self	2062	$self
1864	}	2063	}
1865		2064
1866	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2066	sub load_neighbours {
1868	my ($map) = @_;	2067	my ($map) = @_;
1869		2068
1870	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1871		2070
1872	for (0 .. 3) {	2071	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1874	or next;	2073	or next;
1875	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1876	or next;	2075	or next;
1877	$neigh->load;	2076	$neigh->load;
1878		2077
		2078	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2081	}
1882		2082
1883	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1885	or next;	2086	or next;
1886	$neigh->load;	2087	$neigh->load;
1887	}	2088	}
1888	}	2089	}
1889		2090
…		…
1894	}	2095	}
1895		2096
1896	sub do_load_sync {	2097	sub do_load_sync {
1897	my ($map) = @_;	2098	my ($map) = @_;
1898		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1899	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1900	}	2104	}
1901		2105
1902	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1904		2108
1905	sub find_async {	2109	sub find_async {
1906	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1907		2111
1908	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1909		2113
1910	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2116	}
1913		2117
1914	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1915	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1916	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2125	if (my $map = find $k) {
1919	$map->load;	2126	$map->load if $v;
1920	}	2127	}
1921		2128
1922	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1923	}	2130	}
1924	}	2131	}
1925	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1926	};	2133	};
1927	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1930	}	2137	}
1931		2138
1932	sub save {	2139	sub save {
1933	my ($self) = @_;	2140	my ($self) = @_;
1934		2141
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1936		2143
1937	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1938		2145
1939	return unless $self->dirty;	2146	return unless $self->dirty;
1940		2147
…		…
1946	return if $self->{deny_save};	2153	return if $self->{deny_save};
1947		2154
1948	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1949		2156
1950	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1952	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1953		2163
1954	if ($uniq) {	2164	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2167	} else {
…		…
1963	my ($self) = @_;	2173	my ($self) = @_;
1964		2174
1965	# save first because save cedes	2175	# save first because save cedes
1966	$self->save;	2176	$self->save;
1967		2177
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2179
1970	return if $self->players;	2180	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1972	return if $self->{deny_save};	2182	return if $self->{deny_save};
1973		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1974	$self->clear;	2188	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2189	}
1977		2190
1978	sub reset_at {	2191	sub reset_at {
1979	my ($self) = @_;	2192	my ($self) = @_;
1980		2193
…		…
2012	if $uniq;	2225	if $uniq;
2013	}	2226	}
2014		2227
2015	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2016		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2232	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2233
2021	$self->unlink_save;	2234	$self->unlink_save;
2022	$self->destroy;	2235	$self->destroy;
2023	}	2236	}
2024		2237
2025	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2026		2239
2027	sub nuke {	2240	sub nuke {
2028	my ($self) = @_;	2241	my ($self) = @_;
2029		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2030	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2031		2247
2032	$self->unlink_save;	2248	$self->unlink_save;
2033		2249
2034	bless $self, "cf::map";	2250	bless $self, "cf::map";
2035	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2255
2040	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2041		2258
2042	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2043	}	2260	}
2044		2261
2045	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2087		2304
2088	sub unique_maps() {	2305	sub unique_maps() {
2089	[	2306	[
2090	map {	2307	map {
2091	utf8::decode $_;	2308	utf8::decode $_;
2092	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2093	? normalise $_	2312	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2314	]
2097	}	2315	}
2098		2316
2099	package cf;
2100
2101	=back	2317	=back
2102		2318
2103	=head3 cf::object	2319	=head3 cf::object
2104		2320
2105	=cut	2321	=cut
…		…
2108		2324
2109	=over 4	2325	=over 4
2110		2326
2111	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2112		2328
2113	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2114		2331
2115	=cut	2332	=cut
2116		2333
2117	sub inv_recursive_;	2334	sub inv_recursive_;
2118	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2121		2338
2122	sub inv_recursive {	2339	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2124	}	2341	}
2125		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2126	package cf;	2371	package cf;
2127		2372
2128	=back	2373	=back
2129		2374
2130	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2139		2384
2140	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2141		2400
2142	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2402	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2152		2411
2153	} else {	2412	} else {
2154	my $pl = $self->contr;	2413	my $pl = $self->contr;
2155		2414
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2418
2165	} else {	2419	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2422	}
2169	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
2170	}	2434	}
2171		2435
2172	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
2173		2437
2174	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2187		2451
2188	=item $player_object->enter_link	2452	=item $player_object->enter_link
2189		2453
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2455
2192	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2194		2460
2195	Will never block.	2461	Will never block.
2196		2462
2197	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2198		2464
…		…
2253	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2256		2522
2257	$map->load;	2523	$map->load;
2258	$map->load_diag;	2524	$map->load_neighbours;
2259		2525
2260	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2261	$self->activate_recursive;	2528	$self->activate_recursive;
2262		2529
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2265	}	2532	}
…		…
2270	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2540	be called at the end of this process.
2274		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
		2544
2275	=cut	2545	=cut
2276		2546
2277	our $GOTOGEN;	2547	our $GOTOGEN;
2278		2548
2279	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
…		…
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2554
2285	$self->enter_link;	2555	$self->enter_link;
2286		2556
2287	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2288	my $map = eval {	2579	my $map = eval {
2289	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2290		2581
2291	if ($map) {	2582	if ($map) {
2292	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2294	} else {	2585	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2587	}
2297		2588
2298	$map	2589	$map
2299	};	2590	};
2300		2591
…		…
2336	}	2627	}
2337		2628
2338	sub prepare_random_map {	2629	sub prepare_random_map {
2339	my ($exit) = @_;	2630	my ($exit) = @_;
2340		2631
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2634	# that depends on the exit object
2346		2635
2347	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2638	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2354	}	2645	}
2355		2646
2356	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2357		2648
2358	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2361		2652
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2655	undef $fh;
2365	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2366		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2369	}	2664	}
2370	}	2665	}
2371		2666
2372	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2374		2669
2375	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2376		2671
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2672	$self->enter_link;
2389		2673
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2674	(async {
2395	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2396	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2397	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2398		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2399	1;	2698	1
2400	}) {	2699	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2704
2406	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2436		2735
2437	=cut	2736	=cut
2438		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
2439	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2441		2830
2442	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2443		2833
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
2448	if (ref $channel) {	2843	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	2847	$self->ext_msg (channel_info => $channel);
2453	}	2848	}
2454		2849
2455	$channel = $channel->{id};	2850	$channel = $channel->{id};
2456	}	2851	}
2457		2852
2458	if ($self->can_msg) {	2853	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		2854
2471	if ($color >= 0) {	2855	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	2857	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2482	=item $client->ext_event ($type, %msg)	2877	=item $client->ext_msg ($type, @msg)
2483		2878
2484	Sends an ext event to the client.	2879	Sends an ext event to the client.
2485		2880
2486	=cut	2881	=cut
2487		2882
2488	sub cf::client::ext_event($$%) {	2883	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	2884	my ($self, $type, @msg) = @_;
2490		2885
2491	return unless $self->extcmd;	2886	if ($self->extcmd == 2) {
2492		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
2493	$msg{msgtype} = "event_$type";	2889	push @msg, msgtype => "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
2495	}	2910	}
2496		2911
2497	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
2498		2913
2499	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
…		…
2554	my ($ns, $buf) = @_;	2969	my ($ns, $buf) = @_;
2555		2970
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		2972
2558	if (ref $msg) {	2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2981	if (my $cb = $EXTICMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	2982	@reply = $cb->($ns, @payload);
2561	$reply{msgid} = $msg->{msgid};
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2563	}
2564	}	2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
2565	} else {	2988	} else {
2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2567	}	2990	}
2568		2991
2569	cf::override;	2992	cf::override;
…		…
2616	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2618		3041
2619	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2620		3043
2621	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2622		3049
2623	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2624		3051
2625	=pod	3052	=pod
2626		3053
2627	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2628		3055
2629	cf::object	3056	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3057	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3058	insert remove name archname title slaying race decrease split
		3059	value
2632		3060
2633	cf::object::player	3061	cf::object::player
2634	player	3062	player
2635		3063
2636	cf::player	3064	cf::player
…		…
2641		3069
2642	=cut	3070	=cut
2643		3071
2644	for (	3072	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2650	) {	3079	) {
2651	no strict 'refs';	3080	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2670	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2671		3100
2672	my $qcode = $code;	3101	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2675		3106
2676	local $_;	3107	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2678		3109
2679	my $eval =	3110	my $eval =
…		…
2727	# the server's init and main functions	3158	# the server's init and main functions
2728		3159
2729	sub load_facedata($) {	3160	sub load_facedata($) {
2730	my ($path) = @_;	3161	my ($path) = @_;
2731		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
2732	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2733		3170
2734	my $facedata;	3171	my $facedata;
2735	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
2736	or die "$path: $!";	3173	or die "$path: $!";
…		…
2738	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2739		3176
2740	$facedata->{version} == 2	3177	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2742		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2743	{	3187	{
2744	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2745		3189
2746	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2748	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2752		3197
2753	cf::cede_to_tick;	3198	cf::cede_to_tick;
2754	}	3199	}
2755		3200
2756	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2758	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2759	or next;	3205	or next;
		3206
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3210	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2781		3228
2782	{	3229	{
2783	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3233
2788	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3235	if (defined $info->{type}) {
2790	name => $name,
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
2796		3238
2797	if ($name =~ /\.jpg$/) {	3239	if ($info->{type} & 1) {
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3240	# prepend meta info
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
2800	} else {	3254	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3255	$RESOURCE{$name} = $info;
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3256	}
2807		3257
2808	cf::cede_to_tick;	3258	cf::cede_to_tick;
2809	}	3259	}
2810	}	3260	}
2811		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2812	1	3264	1
2813	}	3265	}
2814		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2815	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2816	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
2818		3312
2819	for (cf::region::list) {	3313	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3314	$_->{match} = qr/$_->{match}/
…		…
2828	}	3322	}
2829		3323
2830	sub reload_archetypes {	3324	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references
2834	# this really needs to be done in an extra post-pass
2835	# (which needs to be synchronous, so solve it differently)
2836	load_resource_file "$DATADIR/archetypes"
2837	or die "unable to load archetypes\n";
2838	}	3327	}
2839		3328
2840	sub reload_treasures {	3329	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
2843	}	3332	}
2844		3333
2845	sub reload_resources {	3334	sub reload_resources {
2846	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2847		3336
		3337	reload_facedata;
		3338	reload_archetypes;
2848	reload_regions;	3339	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3340	reload_treasures;
2853		3341
2854	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2855	}	3343	}
2856		3344
2857	sub init {	3345	sub reload_config {
2858	reload_resources;
2859	}
2860
2861	sub cfg_load {
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2863	or return;	3347	or return;
2864		3348
2865	local $/;	3349	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2867		3351
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2869		3353
2870	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2871	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2877	};	3361	};
2878	warn $@ if $@;	3362	warn $@ if $@;
2879	}	3363	}
2880	}	3364	}
2881		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2882	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2883	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2886	(async {	3403	(async {
2887	Event::one_event;	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
2889	};	3407	};
2890		3408
2891	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
2892	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2893	load_extensions;	3427	load_extensions;
2894		3428
2895	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2896	Event::loop;	3437	EV::loop;
2897	}	3438	}
2898		3439
2899	#############################################################################	3440	#############################################################################
2900	# initialisation and cleanup	3441	# initialisation and cleanup
2901		3442
2902	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2903	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2912	},
2913	);	3449	};
2914	}	3450	}
2915	}	3451	}
2916		3452
2917	sub write_runtime {	3453	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";
2919
2920	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
2922		3456
2923	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3458
2925	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
2926		3460
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2928	or return;	3462	or return;
2929		3463
2930	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
2943		3477
2944	close $fh	3478	close $fh
2945	or return;	3479	or return;
2946		3480
2947	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	3482	and return;
2949		3483
2950	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
2951		3485
2952	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2953	}	3537	}
2954		3538
2955	sub emergency_save() {	3539	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2957		3541
2958	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2959		3543
2960	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2961	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	3558	$pl->save;
2969	}	3559	}
2970	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2971		3561
2972	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2973	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	3565	$map->valid or next;
2976	$map->save;	3566	$map->save;
2977	}	3567	}
2978	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
2979		3569
2980	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
2982	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2983	};	3577	};
2984		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2985	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2986	}	3585	}
2987		3586
2988	sub post_cleanup {	3587	sub post_cleanup {
2989	my ($make_core) = @_;	3588	my ($make_core) = @_;
2990		3589
2991	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
2992	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
2993	}	3621	}
2994		3622
2995	sub do_reload_perl() {	3623	sub do_reload_perl() {
2996	# can/must only be called in main	3624	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2998	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
2999	return;	3627	return;
3000	}	3628	}
3001		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3002	warn "reloading...";	3635	warn "reloading...";
3003		3636
3004	warn "entering sync_job";	3637	warn "entering sync_job";
3005		3638
3006	cf::sync_job {	3639	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3008	cf::emergency_save;	3641	cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3010		3643
3011	warn "syncing database to disk";	3644	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3013		3646
3014	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3015		3648
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3027	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();
3035
3036	warn "removing commands";
3037	%COMMAND = ();
3038
3039	warn "removing ext/exti commands";
3040	%EXTCMD = ();
3041	%EXTICMD = ();
3042
3043	warn "unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";
3046
3047	if (my $cb = $pkg->can ("unload")) {
3048	eval {
3049	$cb->($pkg);
3050	1
3051	} or warn "$pkg unloaded, but with errors: $@";
3052	}	3652	}
3053		3653
3054	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3055	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3056	}	3656	%EXT_CORO = ();
3057		3657
3058	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3059	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3062	warn "... unloading $k";	3667	warn "... unloading $pkg";
3063	delete $INC{$k};
3064		3668
3065	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;
3067
3068	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3069	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3070	}	3678	}
3071		3679
3072	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3073	}	3695	}
3074		3696
3075	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3078		3700
3079	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		3704
3083	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3084	# and global variables created in xs	3706	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3086		3708
3087	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3088		3710
3089	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3090	require cf;	3712	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3092		3714
3093	warn "loading config and database again";	3715	warn "loading config and database again";
3094	cf::cfg_load;	3716	cf::reload_config;
3095		3717
3096	warn "loading extensions";	3718	warn "loading extensions";
3097	cf::load_extensions;	3719	cf::load_extensions;
3098		3720
		3721	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3102	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3105		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3106	warn "leaving sync_job";	3733	warn "leaving sync_job";
3107		3734
3108	1	3735	1
3109	} or do {	3736	} or do {
3110	warn $@;	3737	warn $@;
3111	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3112	exit 1;
3113	};	3739	};
3114		3740
3115	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3116	};	3747	};
3117		3748
3118	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3119		3750
3120	sub reload_perl() {	3751	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3123		3754
3124	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	3757
3127	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	3759	do_reload_perl;
3130	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3131	},	3761	};
3132	);	3762	};
3133	}	3763	}
3134		3764
3135	register_command "reload" => sub {	3765	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3137		3767
3138	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	3772	reload_perl;
		3773	};
3141	}	3774	}
3142	};	3775	};
3143		3776
3144	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
3145		3778
…		…
3147		3780
3148	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3150		3783
3151	sub wait_for_tick {	3784	sub wait_for_tick {
3152	return unless $TICK_WATCHER->is_active;
3153	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3154		3786
3155	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3156	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;	3789	$signal->wait;
3158	}	3790	}
3159		3791
3160	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3161	return unless $TICK_WATCHER->is_active;
3162	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3163		3794
3164	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	3797	$signal->wait;
3167	}	3798	}
3168		3799
3169	my $min = 1e6;#d#	3800	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3181	return;	3804	return;
3182	}	3805	}
3183		3806
3184	$NOW = $tick_start = Event::time;
3185
3186	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3187		3808
3188	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3189	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3190	my $t = Event::time;	3811	Coro::async_pool {
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
3192	or die;	3813	write_runtime_sync
3193		3814	or warn "ERROR: unable to write runtime file: $!";
3194	$map->width (50);
3195	$map->height (50);
3196	$map->alloc;
3197	$map->_load_objects ("/tmp/x.map", 1);
3198	my $t = Event::time - $t;
3199
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	3815	};
		3816	}
3210		3817
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	3819	$sig->send;
3227	}	3820	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3229	$sig->send;	3822	$sig->send;
3230	}	3823	}
3231		3824
3232	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		3827
3243	_post_tick;	3828	if (0) {
3244		3829	if ($NEXT_TICK) {
3245		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3246	},	3834	}
3247	);	3835	}
3248		3836
3249	{	3837	{
3250	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	3839
3252	reentrant => 0,
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3260		3841	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		3843
3276	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3277	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3278		3851
3279	cf::sync_job {	3852	cf::sync_job {
3280	eval {	3853	eval {
3281	BDB::db_env_open	3854	BDB::db_env_open
3282	$DB_ENV,	3855	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	3859	0666;
3287		3860
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	3862	};
3293		3863
3294	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	3865	};
3296	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3297	}	3877	}
3298		3878
3299	{	3879	{
		3880	# configure IO::AIO
		3881
3300	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	3885	}
3313		3886
3314	my $_log_backtrace;	3887	my $_log_backtrace;
3315		3888
3316	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3319	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3320		3893
3321	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3323	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3324	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3325	my @bt = fork_call {	3901	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3329	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3337	}	3913	}
3338		3914
3339	@funcs	3915	@funcs
3340	};	3916	};
3341		3917
3342	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	3921	--$_log_backtrace;
3345	};	3922	};
3346	} else {	3923	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3349	}	3926	}
3350	}	3927	}
3351		3928
3352	# load additional modules	3929	# load additional modules
3353	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3354		3931
3355	END { cf::emergency_save }	3932	END { cf::emergency_save }
3356		3933
3357	1	3934	1
3358		3935

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