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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.464 by root, Thu Jan 1 18:35:48 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 "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;
85		116
86	our %CFG;	117	our %CFG;
87		118
88	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
90		122
91	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
94		126
95	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		129
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
101		138
102	binmode STDOUT;	139	binmode STDOUT;
103	binmode STDERR;	140	binmode STDERR;
104		141
105	# read virtual server time, if available	142	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
110	}	147	}
111		148
112	mkdir $_	149	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		195
159	The raw value load value from the last tick.	196	The raw value load value from the last tick.
160		197
161	=item %cf::CFG	198	=item %cf::CFG
162		199
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	201	from wherever your confdir points to.
165		202
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		204
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	223	$msg .= "\n"
187	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
188		225
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		227
191	utf8::encode $msg;
192	LOG llevError, $msg;	228	LOG llevError, $msg;
193	};	229	};
194	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
195		246
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	257	for my $pkg (qw(
207	cf::global cf::attachable	258	cf::global cf::attachable
208	cf::object cf::object::player	259	cf::object cf::object::player
209	cf::client cf::player	260	cf::client cf::player
210	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
211	cf::map cf::party cf::region	263	cf::party cf::region
212	)) {	264	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	266	}
216		267
217	$Event::DIED = sub {	268	$EV::DIED = sub {
218	warn "error in event callback: @_";	269	warn "error in event callback: @_";
219	};	270	};
220		271
221	#############################################################################	272	#############################################################################
222		273
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	297	$d
247	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
248	}	299	}
249		300
250	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
251		302
252	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
253		304
254	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
255		306
256	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
257		308
258	=cut	309	=cut
259		310
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		312
262	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
264		329
265	=item cf::lock_wait $string	330	=item cf::lock_wait $string
266		331
267	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
268		333
269	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
270		335
271	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
274	returned.	339	returned.
275		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
276	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
278		346
279	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
280		348
281	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
282		350
283	=cut	351	=cut
284		352
285	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
286		354
287	sub lock_wait($) {	355	sub lock_wait($) {
288	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	357	}
296		358
297	sub lock_acquire($) {	359	sub lock_acquire($) {
298	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
310		362
311	sub lock_active($) {	363	sub lock_active($) {
312	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	365	}
316		366
317	sub freeze_mainloop {	367	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
319		369
320	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
322	};	431	}
323	$TICK_WATCHER->stop;	432	};
324	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
325	}	446	}
326		447
327	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
328		449
329	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		455
335	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
336		457
337	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
338		459
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	463	acceptable.
343		464
344	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		471
351	sub sync_job(&) {	472	sub sync_job(&) {
352	my ($job) = @_;	473	my ($job) = @_;
353		474
354	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	476	my $time = EV::time;
356		477
357	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
359		480
360	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	482
362	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
363		484
364	my $busy = 1;	485	my $busy = 1;
365	my @res;	486	my @res;
366		487
367	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	490	@res = eval { $job->() };
369	warn $@ if $@;	491	warn $@ if $@;
370	undef $busy;	492	undef $busy;
371	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
372		494
373	while ($busy) {	495	while ($busy) {
374	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
375	}	500	}
		501	}
376		502
377	$time = Event::time - $time;	503	my $time = EV::time - $time;
378		504
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	505	$TICK_START += $time; # do not account sync jobs to server load
383		506
384	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
385	} else {	508	} else {
386	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
387		510
…		…
412	=item fork_call { }, $args	535	=item fork_call { }, $args
413		536
414	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
418		541
419	=cut	542	=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	$buf
428	}
429		543
430	sub fork_call(&@) {	544	sub fork_call(&@) {
431	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
432		546
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	547	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	548	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	549	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		550
438	if (my $pid = fork) {	551	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;	552	reset_signals;
452	local $SIG{__WARN__};	553	&$cb
453	local $SIG{__DIE__};	554	}, @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		555
460	eval {	556	wantarray ? @res : $res[-1]
461	close $fh1;	557	}
462		558
463	my @res = eval { $cb->(@args) };	559	=item $coin = coin_from_name $name
464		560
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	561	=cut
466	close $fh2;
467	};
468		562
469	warn $@ if $@;	563	our %coin_alias = (
470	_exit 0;	564	"silver" => "silvercoin",
471	}	565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
472	}	584	}
473		585
474	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
475		587
476	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	590	=item cf::db_put $family => $key => $value
479		591
480	Stores the given C<$value> in the family. It can currently store binary	592	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).	593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
483	=cut	600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
		613	};
		614	cf::cleanup "db_open(db): $@" if $@;
		615
		616	$db
		617	}
484		618
485	our $DB;	619	our $DB;
486		620
487	sub db_init {	621	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	622	cf::sync_job {
492	eval {	623	$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	}	624	};
502	}	625	}
503		626
504	sub db_get($$) {	627	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	628	my $key = "$_[0]/$_[1]";
506		629
…		…
556	if (1) {	679	if (1) {
557	$md5 =	680	$md5 =
558	join "\x00",	681	join "\x00",
559	$processversion,	682	$processversion,
560	map {	683	map {
561	Coro::cede;	684	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	685	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	686	} 0.. $#$src;
564		687
565		688
566	my $dbmd5 = db_get cache => "$id/md5";	689	my $dbmd5 = db_get cache => "$id/md5";
…		…
604		727
605	#############################################################################	728	#############################################################################
606		729
607	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
608		731
609	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
612		735
613	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	738	Deliantra).
616		739
617	=over 4	740	=over 4
618		741
619	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
620		743
…		…
664	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
665		788
666	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
668		791
669	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
671		794
672	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
673		796
674	=over 4	797	=over 4
…		…
902	}	1025	}
903		1026
904	0	1027	0
905	}	1028	}
906		1029
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1031
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1033
911	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
912		1035
…		…
919	=cut	1042	=cut
920		1043
921	#############################################################################	1044	#############################################################################
922	# object support	1045	# object support
923		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
		1088
924	sub reattach {	1089	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1091	my ($obj) = @_;
927		1092
		1093	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1095
930	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
931		1097
932	@$registry = ();	1098	@$registry = ();
933		1099
…		…
948	cf::attachable->attach (	1114	cf::attachable->attach (
949	prio => -1000000,	1115	prio => -1000000,
950	on_instantiate => sub {	1116	on_instantiate => sub {
951	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
952		1118
953	$data = from_json $data;	1119	$data = decode_json $data;
954		1120
955	for (@$data) {	1121	for (@$data) {
956	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
957		1123
958	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1140	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
976		1142
977	sync_job {	1143	sync_job {
978	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
981		1148
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
986	close $fh;	1153	aio_close $fh;
987		1154
988	if (@$objs) {	1155	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
994	close $fh;	1161	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
996	}	1163	}
997	} else {	1164	} else {
998	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
999	}	1166	}
1000		1167
1001	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1172	} else {
1003	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1004	}	1174	}
1005	} else {	1175	} else {
1006	aio_unlink $filename;	1176	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1008	}	1178	}
1009	}	1179	};
1010	}	1180	}
1011		1181
1012	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1014		1184
…		…
1026	or return;	1196	or return;
1027		1197
1028	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1200	or return;
		1201
1031	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1032	}	1204	}
1033		1205
		1206	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1036	return ($data, $av);	1210	($data, $av)
1037	}	1211	}
1038		1212
1039	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1040		1214
1041	=over 4	1215	=over 4
…		…
1095	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1096		1270
1097	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1098	}	1272	}
1099		1273
		1274	use File::Glob ();
		1275
1100	cf::player->attach (	1276	cf::player->attach (
1101	on_command => sub {	1277	on_command => sub {
1102	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1103		1279
1104	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1114	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
1115		1291
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1293
1118	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
1124	} else {	1309	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1311	}
1127		1312
1128	cf::override;	1313	cf::override;
1129	},	1314	},
1130	);	1315	);
		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
1131		1329
1132	sub load_extensions {	1330	sub load_extensions {
1133	cf::sync_job {	1331	cf::sync_job {
1134	my %todo;	1332	my %todo;
1135		1333
…		…
1155		1353
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1356
1159	$ext{source} =	1357	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1162	. $source	1360	. $source
1163	. "\n};\n1";	1361	. "\n};\n1";
1164		1362
1165	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1181	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1182	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1183		1381
1184	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1185	warn $msg;	1383	warn $msg;
1186	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1187	exit 1;
1188	}	1385	}
1189		1386
1190	warn $msg;	1387	warn $msg;
1191	}	1388	}
1192		1389
…		…
1206		1403
1207	=back	1404	=back
1208		1405
1209	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1210		1407
1211	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1212		1409
1213	=cut	1410	=cut
1214		1411
1215	package cf::player;	1412	package cf::player;
1216		1413
1217	use Coro::AIO;	1414	use Coro::AIO;
1218		1415
1219	=head3 cf::player	1416	=head3 cf::player
1220		1417
1221	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
1222		1433
1223	=item cf::player::find $login	1434	=item cf::player::find $login
1224		1435
1225	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
1226		1437
…		…
1245		1456
1246	sub exists($) {	1457	sub exists($) {
1247	my ($login) = @_;	1458	my ($login) = @_;
1248		1459
1249	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1251	}	1462	}
1252		1463
1253	sub find($) {	1464	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1466	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1477
1267	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1270	}	1487	}
1271	}	1488	}
1272	}	1489	}
1273		1490
…		…
1282	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1283		1500
1284	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1286		1503
		1504	cf::get_slot 0.01;
		1505
1287	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1288	Coro::cede;	1507	cf::cede_to_tick;
1289	}	1508	}
1290		1509
1291	sub new($) {	1510	sub new($) {
1292	my ($login) = @_;	1511	my ($login) = @_;
1293		1512
…		…
1299	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1300		1519
1301	$self	1520	$self
1302	}	1521	}
1303		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1304	=item $pl->quit_character	1533	=item $pl->quit_character
1305		1534
1306	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1308		1537
…		…
1312	my ($pl) = @_;	1541	my ($pl) = @_;
1313		1542
1314	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1315		1544
1316	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1547
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1323		1554
1324	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1592	or return [];
1362		1593
1363	my @logins;	1594	my @logins;
1364		1595
1365	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1369		1606
1370	utf8::decode $login;	1607	utf8::decode $login;
1371	push @logins, $login;	1608	push @logins, $login;
1372	}	1609	}
1373		1610
…		…
1400	}	1637	}
1401		1638
1402	\@paths	1639	\@paths
1403	}	1640	}
1404		1641
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1643
1407	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1408		1645
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)	1646	=item $player->ext_reply ($msgid, @msg)
1456		1647
1457	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1458		1649
1459	=cut	1650	=cut
1460		1651
1461	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1463		1654
1464	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1656	}
1467		1657
1468	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1469		1659
1470	Sends an ext event to the client.	1660	Sends an ext event to the client.
1471		1661
1472	=cut	1662	=cut
1473		1663
1474	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1476		1666
1477	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1478	}	1668	}
1479		1669
1480	=head3 cf::region	1670	=head3 cf::region
1481		1671
1482	=over 4	1672	=over 4
…		…
1526	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1528		1718
1529	sub generate_random_map {	1719	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1531	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1725	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1657		1850
1658	# the temporary/swap location	1851	# the temporary/swap location
1659	sub save_path {	1852	sub save_path {
1660	my ($self) = @_;	1853	my ($self) = @_;
1661		1854
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1664	}	1857	}
1665		1858
1666	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1667	sub uniq_path {	1860	sub uniq_path {
1668	my ($self) = @_;	1861	my ($self) = @_;
1669		1862
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1864	"$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	}	1865	}
1682		1866
1683	sub decay_objects {	1867	sub decay_objects {
1684	my ($self) = @_;	1868	my ($self) = @_;
1685		1869
…		…
1698		1882
1699	sub load_header_from($) {	1883	sub load_header_from($) {
1700	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1701		1885
1702	utf8::encode $path;	1886	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1708		1895
1709	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1710		1897
1711	1	1898	1
1712	}	1899	}
…		…
1766	sub find {	1953	sub find {
1767	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1768		1955
1769	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1770		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1772		1960
1773	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1776	or return;	1963	or return;
1777		1964
1778	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1779		1966
…		…
1781	or return;	1968	or return;
1782		1969
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1786	$map->reset;	1975	$map->reset;
1787	undef $guard;
1788	return find $path;	1976	return find $path;
1789	}	1977	}
1790		1978
1791	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1792	}	1980	}
…		…
1801	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1802		1990
1803	my $path = $self->{path};	1991	my $path = $self->{path};
1804		1992
1805	{	1993	{
1806	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1807		1995
		1996	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		1998
1810	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1811		2000
1812	$self->alloc;	2001	$self->alloc;
1813		2002
1814	$self->pre_load;	2003	$self->pre_load;
1815	Coro::cede;	2004	cf::cede_to_tick;
1816		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1818	or return;	2009	or return;
1819		2010
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1821	if delete $self->{load_original};	2012	if delete $self->{load_original};
1822		2013
1823	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2015	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2018	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1828	}	2022	}
1829	}	2023	}
1830		2024
1831	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1832	# now do the right thing for maps	2028	# now do the right thing for maps
1833	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2031	unless $self->difficulty;
1836	Coro::cede;	2032	cf::cede_to_tick;
1837		2033
1838	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2035	$self->decay_objects;
1840	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1841	$self->update_buttons;	2037	$self->update_buttons;
1842	Coro::cede;	2038	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2039	$self->activate;
1846	}	2040	}
1847		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2046	}
1850		2047
1851	$self->post_load;	2048	$self->post_load;
1852	}	2049	}
1853		2050
…		…
1862		2059
1863	$self	2060	$self
1864	}	2061	}
1865		2062
1866	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2064	sub load_neighbours {
1868	my ($map) = @_;	2065	my ($map) = @_;
1869		2066
1870	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1871		2068
1872	for (0 .. 3) {	2069	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1874	or next;	2071	or next;
1875	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1876	or next;	2073	or next;
1877	$neigh->load;	2074	$neigh->load;
1878		2075
		2076	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2079	}
1882		2080
1883	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1885	or next;	2084	or next;
1886	$neigh->load;	2085	$neigh->load;
1887	}	2086	}
1888	}	2087	}
1889		2088
…		…
1894	}	2093	}
1895		2094
1896	sub do_load_sync {	2095	sub do_load_sync {
1897	my ($map) = @_;	2096	my ($map) = @_;
1898		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1899	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1900	}	2102	}
1901		2103
1902	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1904		2106
1905	sub find_async {	2107	sub find_async {
1906	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1907		2109
1908	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1909		2111
1910	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2114	}
1913		2115
1914	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1915	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1916	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2123	if (my $map = find $k) {
1919	$map->load;	2124	$map->load if $v;
1920	}	2125	}
1921		2126
1922	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1923	}	2128	}
1924	}	2129	}
1925	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1926	};	2131	};
1927	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1930	}	2135	}
1931		2136
1932	sub save {	2137	sub save {
1933	my ($self) = @_;	2138	my ($self) = @_;
1934		2139
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1936		2141
1937	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1938		2143
1939	return unless $self->dirty;	2144	return unless $self->dirty;
1940		2145
…		…
1946	return if $self->{deny_save};	2151	return if $self->{deny_save};
1947		2152
1948	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1949		2154
1950	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1952	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1953		2161
1954	if ($uniq) {	2162	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2165	} else {
…		…
1963	my ($self) = @_;	2171	my ($self) = @_;
1964		2172
1965	# save first because save cedes	2173	# save first because save cedes
1966	$self->save;	2174	$self->save;
1967		2175
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2177
1970	return if $self->players;	2178	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1972	return if $self->{deny_save};	2180	return if $self->{deny_save};
1973		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1974	$self->clear;	2186	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2187	}
1977		2188
1978	sub reset_at {	2189	sub reset_at {
1979	my ($self) = @_;	2190	my ($self) = @_;
1980		2191
…		…
2012	if $uniq;	2223	if $uniq;
2013	}	2224	}
2014		2225
2015	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
2016		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2230	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2231
2021	$self->unlink_save;	2232	$self->unlink_save;
2022	$self->destroy;	2233	$self->destroy;
2023	}	2234	}
2024		2235
2025	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
2026		2237
2027	sub nuke {	2238	sub nuke {
2028	my ($self) = @_;	2239	my ($self) = @_;
2029		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
2030	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
2031		2245
2032	$self->unlink_save;	2246	$self->unlink_save;
2033		2247
2034	bless $self, "cf::map";	2248	bless $self, "cf::map";
2035	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2253
2040	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
2041		2256
2042	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
2043	}	2258	}
2044		2259
2045	=item $maps = cf::map::tmp_maps	2260	=item $maps = cf::map::tmp_maps
…		…
2087		2302
2088	sub unique_maps() {	2303	sub unique_maps() {
2089	[	2304	[
2090	map {	2305	map {
2091	utf8::decode $_;	2306	utf8::decode $_;
2092	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2093	? normalise $_	2310	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2312	]
2097	}	2313	}
2098		2314
2099	package cf;
2100
2101	=back	2315	=back
2102		2316
2103	=head3 cf::object	2317	=head3 cf::object
2104		2318
2105	=cut	2319	=cut
…		…
2108		2322
2109	=over 4	2323	=over 4
2110		2324
2111	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2112		2326
2113	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2114		2329
2115	=cut	2330	=cut
2116		2331
2117	sub inv_recursive_;	2332	sub inv_recursive_;
2118	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2121		2336
2122	sub inv_recursive {	2337	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2124	}	2339	}
2125		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
2126	package cf;	2369	package cf;
2127		2370
2128	=back	2371	=back
2129		2372
2130	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	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	2380	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2139		2382
2140	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
2141		2398
2142	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2400	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
2152		2409
2153	} else {	2410	} else {
2154	my $pl = $self->contr;	2411	my $pl = $self->contr;
2155		2412
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2415	$dialog->{pl}->ext_msg ($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		2416
2165	} else {	2417	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2420	}
2169	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
2170	}	2432	}
2171		2433
2172	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
2173		2435
2174	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
2187		2449
2188	=item $player_object->enter_link	2450	=item $player_object->enter_link
2189		2451
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2453
2192	The player should be reasonably safe there for short amounts of time. You	2454	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.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2194		2458
2195	Will never block.	2459	Will never block.
2196		2460
2197	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2198		2462
…		…
2253	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2256		2520
2257	$map->load;	2521	$map->load;
2258	$map->load_diag;	2522	$map->load_neighbours;
2259		2523
2260	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2261	$self->activate_recursive;	2526	$self->activate_recursive;
2262		2527
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2265	}	2530	}
…		…
2270	her, loading and preparing them map, calling the provided $check callback	2535	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	2536	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	2537	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2538	be called at the end of this process.
2274		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
		2542
2275	=cut	2543	=cut
2276		2544
2277	our $GOTOGEN;	2545	our $GOTOGEN;
2278		2546
2279	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
…		…
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2552
2285	$self->enter_link;	2553	$self->enter_link;
2286		2554
2287	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
2288	my $map = eval {	2577	my $map = eval {
2289	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
2290		2579
2291	if ($map) {	2580	if ($map) {
2292	$map = $map->customise_for ($self);	2581	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2582	$map = $check->($map) if $check && $map;
2294	} else {	2583	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2585	}
2297		2586
2298	$map	2587	$map
2299	};	2588	};
2300		2589
…		…
2336	}	2625	}
2337		2626
2338	sub prepare_random_map {	2627	sub prepare_random_map {
2339	my ($exit) = @_;	2628	my ($exit) = @_;
2340		2629
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2632	# that depends on the exit object
2346		2633
2347	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2636	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2354	}	2643	}
2355		2644
2356	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2357		2646
2358	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2361		2650
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2653	undef $fh;
2365	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2366		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2369	}	2662	}
2370	}	2663	}
2371		2664
2372	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2374		2667
2375	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2376		2669
2377	if ($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;	2670	$self->enter_link;
2389		2671
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 {	2672	(async {
2395	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2396	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2397	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2398		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2399	1;	2696	1
2400	}) {	2697	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2702
2406	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2425		2722
2426	utf8::encode $text;	2723	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2725	}
2429		2726
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2728
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2729	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2730	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2436		2733
2437	=cut	2734	=cut
2438		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/death" => {
		2799	id => "death",
		2800	title => "Death",
		2801	reply => undef,
		2802	tooltip => "Reason for and more info about your most recent death",
		2803	},
		2804	"c/say" => $SAY_CHANNEL,
		2805	"c/chat" => $CHAT_CHANNEL,
		2806	);
		2807
2439	sub cf::client::send_msg {	2808	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	2809	my ($self, $channel, $msg, $color, @extra) = @_;
2441		2810
2442	$msg = $self->pl->expand_cfpod ($msg);	2811	$msg = $self->pl->expand_cfpod ($msg)
		2812	unless $color & cf::NDI_VERBATIM;
		2813
		2814	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2815
		2816	# check predefined channels, for the benefit of C
		2817	if ($CHANNEL{$channel}) {
		2818	$channel = $CHANNEL{$channel};
		2819
		2820	$self->ext_msg (channel_info => $channel);
		2821	$channel = $channel->{id};
		2822
		2823	} elsif (ref $channel) {
		2824	# send meta info to client, if not yet sent
		2825	unless (exists $self->{channel}{$channel->{id}}) {
		2826	$self->{channel}{$channel->{id}} = $channel;
		2827	$self->ext_msg (channel_info => $channel);
		2828	}
		2829
		2830	$channel = $channel->{id};
		2831	}
2443		2832
2444	return unless @extra || length $msg;	2833	return unless @extra || length $msg;
2445		2834
2446	if ($self->can_msg) {	2835	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2836	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	2837	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		2838
2459	if ($color >= 0) {	2839	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	2840	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	2841	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	2842	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		2843
		2844	# try lzf for large packets
		2845	$pkt = "lzf " . Compress::LZF::compress $pkt
		2846	if 1024 <= length $pkt and $self->{can_lzf};
		2847
		2848	# split very large packets
		2849	if (8192 < length $pkt and $self->{can_lzf}) {
		2850	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2851	$pkt = "frag";
		2852	}
		2853
		2854	$self->send_packet ($pkt);
		2855	}
		2856
2470	=item $client->ext_event ($type, %msg)	2857	=item $client->ext_msg ($type, @msg)
2471		2858
2472	Sends an ext event to the client.	2859	Sends an ext event to the client.
2473		2860
2474	=cut	2861	=cut
2475		2862
2476	sub cf::client::ext_event($$%) {	2863	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	2864	my ($self, $type, @msg) = @_;
2478		2865
2479	return unless $self->extcmd;	2866	if ($self->extcmd == 2) {
2480		2867	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2868	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	2869	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2870	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2871	}
		2872	}
		2873
		2874	=item $client->ext_reply ($msgid, @msg)
		2875
		2876	Sends an ext reply to the client.
		2877
		2878	=cut
		2879
		2880	sub cf::client::ext_reply($$@) {
		2881	my ($self, $id, @msg) = @_;
		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2885	} elsif ($self->extcmd == 1) {
		2886	#TODO: version 1, remove
		2887	unshift @msg, msgtype => "reply", msgid => $id;
		2888	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2889	}
2483	}	2890	}
2484		2891
2485	=item $success = $client->query ($flags, "text", \&cb)	2892	=item $success = $client->query ($flags, "text", \&cb)
2486		2893
2487	Queues a query to the client, calling the given callback with	2894	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	2949	my ($ns, $buf) = @_;
2543		2950
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2951	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		2952
2546	if (ref $msg) {	2953	if (ref $msg) {
		2954	my ($type, $reply, @payload) =
		2955	"ARRAY" eq ref $msg
		2956	? @$msg
		2957	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2958
		2959	my @reply;
		2960
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2961	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	2962	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	2963	}
		2964
		2965	$ns->ext_reply ($reply, @reply)
		2966	if $reply;
		2967
2553	} else {	2968	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2969	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	2970	}
2556		2971
2557	cf::override;	2972	cf::override;
…		…
2604	our $safe = new Safe "safe";	3019	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3020	our $safe_hole = new Safe::Hole;
2606		3021
2607	$SIG{FPE} = 'IGNORE';	3022	$SIG{FPE} = 'IGNORE';
2608		3023
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3024	$safe->permit_only (Opcode::opset qw(
		3025	:base_core :base_mem :base_orig :base_math
		3026	grepstart grepwhile mapstart mapwhile
		3027	sort time
		3028	));
2610		3029
2611	# here we export the classes and methods available to script code	3030	# here we export the classes and methods available to script code
2612		3031
2613	=pod	3032	=pod
2614		3033
2615	The following functions and methods are available within a safe environment:	3034	The following functions and methods are available within a safe environment:
2616		3035
2617	cf::object	3036	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3037	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3038	insert remove name archname title slaying race decrease split
2620		3039
2621	cf::object::player	3040	cf::object::player
2622	player	3041	player
2623		3042
2624	cf::player	3043	cf::player
…		…
2629		3048
2630	=cut	3049	=cut
2631		3050
2632	for (	3051	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3052	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3053	insert remove inv nrof name archname title slaying race
		3054	decrease split destroy change_exp)],
2635	["cf::object::player" => qw(player)],	3055	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3056	["cf::player" => qw(peaceful)],
2637	["cf::map" => qw(trigger)],	3057	["cf::map" => qw(trigger)],
2638	) {	3058	) {
2639	no strict 'refs';	3059	no strict 'refs';
…		…
2715	# the server's init and main functions	3135	# the server's init and main functions
2716		3136
2717	sub load_facedata($) {	3137	sub load_facedata($) {
2718	my ($path) = @_;	3138	my ($path) = @_;
2719		3139
		3140	# HACK to clear player env face cache, we need some signal framework
		3141	# for this (global event?)
		3142	%ext::player_env::MUSIC_FACE_CACHE = ();
		3143
		3144	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3145
2720	warn "loading facedata from $path\n";	3146	warn "loading facedata from $path\n";
2721		3147
2722	my $facedata;	3148	my $facedata;
2723	0 < aio_load $path, $facedata	3149	0 < aio_load $path, $facedata
2724	or die "$path: $!";	3150	or die "$path: $!";
…		…
2726	$facedata = Coro::Storable::thaw $facedata;	3152	$facedata = Coro::Storable::thaw $facedata;
2727		3153
2728	$facedata->{version} == 2	3154	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3155	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3156
		3157	# patch in the exptable
		3158	$facedata->{resource}{"res/exp_table"} = {
		3159	type => FT_RSRC,
		3160	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3161	};
		3162	cf::cede_to_tick;
		3163
2731	{	3164	{
2732	my $faces = $facedata->{faceinfo};	3165	my $faces = $facedata->{faceinfo};
2733		3166
2734	while (my ($face, $info) = each %$faces) {	3167	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3168	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3169
2736	cf::face::set_visibility $idx, $info->{visibility};	3170	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3171	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3172	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3173	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2740		3174
2741	cf::cede_to_tick;	3175	cf::cede_to_tick;
2742	}	3176	}
2743		3177
2744	while (my ($face, $info) = each %$faces) {	3178	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3179	next unless $info->{smooth};
		3180
2746	my $idx = cf::face::find $face	3181	my $idx = cf::face::find $face
2747	or next;	3182	or next;
		3183
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3184	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3185	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3186	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3187	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3188	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2769		3205
2770	{	3206	{
2771	# TODO: for gcfclient pleasure, we should give resources	3207	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.	3208	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3209	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3210
2776	while (my ($name, $info) = each %$res) {	3211	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3212	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3213	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3214	my $data;
2784		3215
2785	if ($name =~ /\.jpg$/) {	3216	if ($info->{type} & 1) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3217	# prepend meta info
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3218
		3219	my $meta = $enc->encode ({
		3220	name => $name,
		3221	%{ $info->{meta} || {} },
		3222	});
		3223
		3224	$data = pack "(w/a*)*", $meta, $info->{data};
		3225	} else {
		3226	$data = $info->{data};
		3227	}
		3228
		3229	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3230	cf::face::set_type $idx, $info->{type};
2788	} else {	3231	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3232	$RESOURCE{$name} = $info;
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3233	}
2795		3234
2796	cf::cede_to_tick;	3235	cf::cede_to_tick;
2797	}	3236	}
2798	}	3237	}
2799		3238
		3239	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3240
2800	1	3241	1
2801	}	3242	}
2802		3243
		3244	cf::global->attach (on_resource_update => sub {
		3245	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3246	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3247
		3248	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3249	my $sound = $soundconf->{compat}[$_]
		3250	or next;
		3251
		3252	my $face = cf::face::find "sound/$sound->[1]";
		3253	cf::sound::set $sound->[0] => $face;
		3254	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3255	}
		3256
		3257	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3258	my $face = cf::face::find "sound/$v";
		3259	cf::sound::set $k => $face;
		3260	}
		3261	}
		3262	});
		3263
		3264	register_exticmd fx_want => sub {
		3265	my ($ns, $want) = @_;
		3266
		3267	while (my ($k, $v) = each %$want) {
		3268	$ns->fx_want ($k, $v);
		3269	}
		3270	};
		3271
		3272	sub load_resource_file($) {
		3273	my $guard = lock_acquire "load_resource_file";
		3274
		3275	my $status = load_resource_file_ $_[0];
		3276	get_slot 0.1, 100;
		3277	cf::arch::commit_load;
		3278
		3279	$status
		3280	}
		3281
2803	sub reload_regions {	3282	sub reload_regions {
		3283	# HACK to clear player env face cache, we need some signal framework
		3284	# for this (global event?)
		3285	%ext::player_env::MUSIC_FACE_CACHE = ();
		3286
2804	load_resource_file "$MAPDIR/regions"	3287	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3288	or die "unable to load regions file\n";
2806		3289
2807	for (cf::region::list) {	3290	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3291	$_->{match} = qr/$_->{match}/
…		…
2816	}	3299	}
2817		3300
2818	sub reload_archetypes {	3301	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3302	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3303	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references
2822	# this really needs to be done in an extra post-pass
2823	# (which needs to be synchronous, so solve it differently)
2824	load_resource_file "$DATADIR/archetypes"
2825	or die "unable to load archetypes\n";
2826	}	3304	}
2827		3305
2828	sub reload_treasures {	3306	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3307	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3308	or die "unable to load treasurelists\n";
2831	}	3309	}
2832		3310
2833	sub reload_resources {	3311	sub reload_resources {
2834	warn "reloading resource files...\n";	3312	warn "reloading resource files...\n";
2835		3313
		3314	reload_facedata;
		3315	reload_archetypes;
2836	reload_regions;	3316	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3317	reload_treasures;
2841		3318
2842	warn "finished reloading resource files\n";	3319	warn "finished reloading resource files\n";
2843	}	3320	}
2844		3321
2845	sub init {	3322	sub reload_config {
2846	reload_resources;
2847	}
2848
2849	sub cfg_load {
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3323	open my $fh, "<:utf8", "$CONFDIR/config"
2851	or return;	3324	or return;
2852		3325
2853	local $/;	3326	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;	3327	*CFG = YAML::Load <$fh>;
2855		3328
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3329	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2857		3330
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3331	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3332	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2865	};	3338	};
2866	warn $@ if $@;	3339	warn $@ if $@;
2867	}	3340	}
2868	}	3341	}
2869		3342
		3343	sub pidfile() {
		3344	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3345	or die "$PIDFILE: $!";
		3346	flock $fh, &Fcntl::LOCK_EX
		3347	or die "$PIDFILE: flock: $!";
		3348	$fh
		3349	}
		3350
		3351	# make sure only one server instance is running at any one time
		3352	sub atomic {
		3353	my $fh = pidfile;
		3354
		3355	my $pid = <$fh>;
		3356	kill 9, $pid if $pid > 0;
		3357
		3358	seek $fh, 0, 0;
		3359	print $fh $$;
		3360	}
		3361
2870	sub main {	3362	sub main {
		3363	cf::init_globals; # initialise logging
		3364
		3365	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3366	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3367	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3368	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3369
		3370	cf::init_experience;
		3371	cf::init_anim;
		3372	cf::init_attackmess;
		3373	cf::init_dynamic;
		3374
		3375	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3376
2871	# we must not ever block the main coroutine	3377	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3378	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3379	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3380	(async {
2875	Event::one_event;	3381	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3382	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3383	})->prio (Coro::PRIO_MAX);
2877	};	3384	};
2878		3385
2879	cfg_load;	3386	evthread_start IO::AIO::poll_fileno;
		3387
		3388	cf::sync_job {
		3389	reload_resources;
		3390	reload_config;
2880	db_init;	3391	db_init;
		3392
		3393	cf::load_settings;
		3394	cf::load_materials;
		3395	cf::init_uuid;
		3396	cf::init_signals;
		3397	cf::init_commands;
		3398	cf::init_skills;
		3399
		3400	cf::init_beforeplay;
		3401
		3402	atomic;
		3403
2881	load_extensions;	3404	load_extensions;
2882		3405
2883	$TICK_WATCHER->start;	3406	utime time, time, $RUNTIMEFILE;
		3407
		3408	# no (long-running) fork's whatsoever before this point(!)
		3409	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3410
		3411	(pop @POST_INIT)->(0) while @POST_INIT;
		3412	};
		3413
2884	Event::loop;	3414	EV::loop;
2885	}	3415	}
2886		3416
2887	#############################################################################	3417	#############################################################################
2888	# initialisation and cleanup	3418	# initialisation and cleanup
2889		3419
2890	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2891	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2900	},
2901	);	3426	};
2902	}	3427	}
2903	}	3428	}
2904		3429
2905	sub write_runtime {	3430	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";
2907
2908	# first touch the runtime file to show we are still running:	3431	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3432	# the fsync below can take a very very long time.
2910		3433
2911	IO::AIO::aio_utime $runtime, undef, undef;	3434	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3435
2913	my $guard = cf::lock_acquire "write_runtime";	3436	my $guard = cf::lock_acquire "write_runtime";
2914		3437
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3438	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2916	or return;	3439	or return;
2917		3440
2918	my $value = $cf::RUNTIME + 90 + 10;	3441	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3442	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3443	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3453	aio_utime $fh, undef, undef;
2931		3454
2932	close $fh	3455	close $fh
2933	or return;	3456	or return;
2934		3457
2935	aio_rename "$runtime~", $runtime	3458	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3459	and return;
2937		3460
2938	warn "runtime file written.\n";	3461	warn "runtime file written.\n";
2939		3462
2940	1	3463	1
		3464	}
		3465
		3466	our $uuid_lock;
		3467	our $uuid_skip;
		3468
		3469	sub write_uuid_sync($) {
		3470	$uuid_skip ||= $_[0];
		3471
		3472	return if $uuid_lock;
		3473	local $uuid_lock = 1;
		3474
		3475	my $uuid = "$LOCALDIR/uuid";
		3476
		3477	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3478	or return;
		3479
		3480	my $value = uuid_seq uuid_cur;
		3481
		3482	unless ($value) {
		3483	warn "cowardly refusing to write zero uuid value!\n";
		3484	return;
		3485	}
		3486
		3487	my $value = uuid_str $value + $uuid_skip;
		3488	$uuid_skip = 0;
		3489
		3490	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3491	and return;
		3492
		3493	# always fsync - this file is important
		3494	aio_fsync $fh
		3495	and return;
		3496
		3497	close $fh
		3498	or return;
		3499
		3500	aio_rename "$uuid~", $uuid
		3501	and return;
		3502
		3503	warn "uuid file written ($value).\n";
		3504
		3505	1
		3506
		3507	}
		3508
		3509	sub write_uuid($$) {
		3510	my ($skip, $sync) = @_;
		3511
		3512	$sync ? write_uuid_sync $skip
		3513	: async { write_uuid_sync $skip };
2941	}	3514	}
2942		3515
2943	sub emergency_save() {	3516	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3517	my $freeze_guard = cf::freeze_mainloop;
2945		3518
2946	warn "enter emergency perl save\n";	3519	warn "emergency_perl_save: enter\n";
2947		3520
2948	cf::sync_job {	3521	cf::sync_job {
		3522	# this is a trade-off: we want to be very quick here, so
		3523	# save all maps without fsync, and later call a global sync
		3524	# (which in turn might be very very slow)
		3525	local $USE_FSYNC = 0;
		3526
2949	# use a peculiar iteration method to avoid tripping on perl	3527	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3528	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3530	warn "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3535	$pl->save;
2957	}	3536	}
2958	warn "end emergency player save\n";	3537	warn "emergency_perl_save: end player save\n";
2959		3538
2960	warn "begin emergency map save\n";	3539	warn "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3540	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3542	$map->valid or next;
2964	$map->save;	3543	$map->save;
2965	}	3544	}
2966	warn "end emergency map save\n";	3545	warn "emergency_perl_save: end map save\n";
2967		3546
2968	warn "begin emergency database checkpoint\n";	3547	warn "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3549	warn "emergency_perl_save: end database checkpoint\n";
		3550
		3551	warn "emergency_perl_save: begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "emergency_perl_save: end write uuid\n";
2971	};	3554	};
2972		3555
		3556	warn "emergency_perl_save: starting sync()\n";
		3557	IO::AIO::aio_sync sub {
		3558	warn "emergency_perl_save: finished sync()\n";
		3559	};
		3560
2973	warn "leave emergency perl save\n";	3561	warn "emergency_perl_save: leave\n";
2974	}	3562	}
2975		3563
2976	sub post_cleanup {	3564	sub post_cleanup {
2977	my ($make_core) = @_;	3565	my ($make_core) = @_;
2978		3566
2979	warn Carp::longmess "post_cleanup backtrace"	3567	warn Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	3568	if $make_core;
		3569
		3570	my $fh = pidfile;
		3571	unlink $PIDFILE if <$fh> == $$;
		3572	}
		3573
		3574	# a safer delete_package, copied from Symbol
		3575	sub clear_package($) {
		3576	my $pkg = shift;
		3577
		3578	# expand to full symbol table name if needed
		3579	unless ($pkg =~ /^main::.*::$/) {
		3580	$pkg = "main$pkg" if $pkg =~ /^::/;
		3581	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3582	$pkg .= '::' unless $pkg =~ /::$/;
		3583	}
		3584
		3585	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3586	my $stem_symtab = *{$stem}{HASH};
		3587
		3588	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3589	or return;
		3590
		3591	# clear all symbols
		3592	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3593	for my $name (keys %$leaf_symtab) {
		3594	_gv_clear *{"$pkg$name"};
		3595	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3596	}
		3597	warn "cleared package $pkg\n";#d#
2981	}	3598	}
2982		3599
2983	sub do_reload_perl() {	3600	sub do_reload_perl() {
2984	# can/must only be called in main	3601	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3602	if ($Coro::current != $Coro::main) {
2986	warn "can only reload from main coroutine";	3603	warn "can only reload from main coroutine";
2987	return;	3604	return;
2988	}	3605	}
2989		3606
		3607	return if $RELOAD++;
		3608
		3609	my $t1 = EV::time;
		3610
		3611	while ($RELOAD) {
2990	warn "reloading...";	3612	warn "reloading...";
2991		3613
2992	warn "entering sync_job";	3614	warn "entering sync_job";
2993		3615
2994	cf::sync_job {	3616	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark	3617	cf::write_runtime_sync; # external watchdog should not bark
2996	cf::emergency_save;	3618	cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark	3619	cf::write_runtime_sync; # external watchdog should not bark
2998		3620
2999	warn "syncing database to disk";	3621	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
3001		3623
3002	# if anything goes wrong in here, we should simply crash as we already saved	3624	# if anything goes wrong in here, we should simply crash as we already saved
3003		3625
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";	3626	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;	3627	while (IO::AIO::nreqs || BDB::nreqs) {
3015	warn "iterate...";	3628	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();
3023
3024	warn "removing commands";
3025	%COMMAND = ();
3026
3027	warn "removing ext/exti commands";
3028	%EXTCMD = ();
3029	%EXTICMD = ();
3030
3031	warn "unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";
3034
3035	if (my $cb = $pkg->can ("unload")) {
3036	eval {
3037	$cb->($pkg);
3038	1
3039	} or warn "$pkg unloaded, but with errors: $@";
3040	}	3629	}
3041		3630
3042	warn "... nuking $pkg";	3631	warn "cancelling all extension coros";
3043	Symbol::delete_package $pkg;	3632	$_->cancel for values %EXT_CORO;
3044	}	3633	%EXT_CORO = ();
3045		3634
3046	warn "unloading all perl modules loaded from $LIBDIR";	3635	warn "removing commands";
3047	while (my ($k, $v) = each %INC) {	3636	%COMMAND = ();
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3637
		3638	warn "removing ext/exti commands";
		3639	%EXTCMD = ();
		3640	%EXTICMD = ();
		3641
		3642	warn "unloading/nuking all extensions";
		3643	for my $pkg (@EXTS) {
3050	warn "... unloading $k";	3644	warn "... unloading $pkg";
3051	delete $INC{$k};
3052		3645
3053	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;
3055
3056	if (my $cb = $k->can ("unload_module")) {	3646	if (my $cb = $pkg->can ("unload")) {
		3647	eval {
3057	$cb->();	3648	$cb->($pkg);
		3649	1
		3650	} or warn "$pkg unloaded, but with errors: $@";
		3651	}
		3652
		3653	warn "... clearing $pkg";
		3654	clear_package $pkg;
3058	}	3655	}
3059		3656
3060	Symbol::delete_package $k;	3657	warn "unloading all perl modules loaded from $LIBDIR";
		3658	while (my ($k, $v) = each %INC) {
		3659	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3660
		3661	warn "... unloading $k";
		3662	delete $INC{$k};
		3663
		3664	$k =~ s/\.pm$//;
		3665	$k =~ s/\//::/g;
		3666
		3667	if (my $cb = $k->can ("unload_module")) {
		3668	$cb->();
		3669	}
		3670
		3671	clear_package $k;
3061	}	3672	}
3062		3673
3063	warn "getting rid of safe::, as good as possible";	3674	warn "getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	3675	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3676	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		3677
3067	warn "unloading cf.pm \"a bit\"";	3678	warn "unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	3679	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	3680	delete $INC{"cf/pod.pm"};
3070		3681
3071	# don't, removes xs symbols, too,	3682	# don't, removes xs symbols, too,
3072	# and global variables created in xs	3683	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	3684	#clear_package __PACKAGE__;
3074		3685
3075	warn "unload completed, starting to reload now";	3686	warn "unload completed, starting to reload now";
3076		3687
3077	warn "reloading cf.pm";	3688	warn "reloading cf.pm";
3078	require cf;	3689	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3690	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3080		3691
3081	warn "loading config and database again";	3692	warn "loading config and database again";
3082	cf::cfg_load;	3693	cf::reload_config;
3083		3694
3084	warn "loading extensions";	3695	warn "loading extensions";
3085	cf::load_extensions;	3696	cf::load_extensions;
3086		3697
		3698	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	3699	warn "reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	3700	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	3701	warn "reattaching attachments to maps";
3090	reattach $_ for values %MAP;	3702	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	3703	warn "reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	3704	reattach $_ for values %PLAYER;
		3705	}
3093		3706
		3707	warn "running post_init jobs";
		3708	(pop @POST_INIT)->(1) while @POST_INIT;
		3709
3094	warn "leaving sync_job";	3710	warn "leaving sync_job";
3095		3711
3096	1	3712	1
3097	} or do {	3713	} or do {
3098	warn $@;	3714	warn $@;
3099	warn "error while reloading, exiting.";	3715	cf::cleanup "error while reloading, exiting.";
3100	exit 1;
3101	};	3716	};
3102		3717
3103	warn "reloaded";	3718	warn "reloaded";
		3719	--$RELOAD;
		3720	}
		3721
		3722	$t1 = EV::time - $t1;
		3723	warn "reload completed in ${t1}s\n";
3104	};	3724	};
3105		3725
3106	our $RELOAD_WATCHER; # used only during reload	3726	our $RELOAD_WATCHER; # used only during reload
3107		3727
3108	sub reload_perl() {	3728	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	3729	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	3730	# coro crashes during coro_state_free->destroy here.
3111		3731
3112	$RELOAD_WATCHER ||= Event->timer (	3732	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	3733	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	3734
3115	data => WF_AUTOCANCEL,	3735	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	3736	do_reload_perl;
3118	undef $RELOAD_WATCHER;	3737	undef $RELOAD_WATCHER;
3119	},	3738	};
3120	);	3739	};
3121	}	3740	}
3122		3741
3123	register_command "reload" => sub {	3742	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	3743	my ($who, $arg) = @_;
3125		3744
3126	if ($who->flag (FLAG_WIZ)) {	3745	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	3746	$who->message ("reloading server.");
		3747	async {
		3748	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	3749	reload_perl;
		3750	};
3129	}	3751	}
3130	};	3752	};
3131		3753
3132	unshift @INC, $LIBDIR;	3754	unshift @INC, $LIBDIR;
3133		3755
…		…
3135		3757
3136	our @WAIT_FOR_TICK;	3758	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	3759	our @WAIT_FOR_TICK_BEGIN;
3138		3760
3139	sub wait_for_tick {	3761	sub wait_for_tick {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	3762	return if tick_inhibit || $Coro::current == $Coro::main;
3142		3763
3143	my $signal = new Coro::Signal;	3764	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	3765	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	3766	$signal->wait;
3146	}	3767	}
3147		3768
3148	sub wait_for_tick_begin {	3769	sub wait_for_tick_begin {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	3770	return if tick_inhibit || $Coro::current == $Coro::main;
3151		3771
3152	my $signal = new Coro::Signal;	3772	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	3773	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	3774	$signal->wait;
3155	}	3775	}
3156		3776
3157	my $min = 1e6;#d#	3777	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	3778	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3779	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	3780	unless ++$bug_warning > 10;
3169	return;	3781	return;
3170	}	3782	}
3171		3783
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	3784	cf::server_tick; # one server iteration
3175		3785
3176	0 && sync_job {#d#	3786	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	3787	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	3788	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3789	$Coro::current->{desc} = "runtime saver";
3180	or die;	3790	write_runtime_sync
3181		3791	or warn "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	3792	};
		3793	}
3198		3794
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3795	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	3796	$sig->send;
3215	}	3797	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	3798	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	3799	$sig->send;
3218	}	3800	}
3219		3801
3220	$NOW = Event::time;	3802	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3803	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		3804
3231	_post_tick;	3805	if (0) {
3232		3806	if ($NEXT_TICK) {
3233		3807	my $jitter = $TICK_START - $NEXT_TICK;
		3808	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3809	warn "jitter $JITTER\n";#d#
		3810	}
3234	},	3811	}
3235	);	3812	}
3236		3813
3237	{	3814	{
3238	BDB::max_poll_time $TICK * 0.1;	3815	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	3816
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	3817	BDB::min_parallel 8;
3248		3818	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	3819	$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		3820
3264	unless ($DB_ENV) {	3821	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	3822	$DB_ENV = BDB::db_env_create;
		3823	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3824	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3825	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3826	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3827	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		3828
3267	cf::sync_job {	3829	cf::sync_job {
3268	eval {	3830	eval {
3269	BDB::db_env_open	3831	BDB::db_env_open
3270	$DB_ENV,	3832	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3834	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3835	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	3836	0666;
3275		3837
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3838	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	3839	};
3281		3840
3282	cf::cleanup "db_env_open(db): $@" if $@;	3841	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	3842	};
3284	}	3843	}
		3844
		3845	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3846	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3847	};
		3848	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3849	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3850	};
		3851	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3852	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3853	};
3285	}	3854	}
3286		3855
3287	{	3856	{
		3857	# configure IO::AIO
		3858
3288	IO::AIO::min_parallel 8;	3859	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	3860	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	3861	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	3862	}
3301		3863
3302	my $_log_backtrace;	3864	my $_log_backtrace;
3303		3865
3304	sub _log_backtrace {	3866	sub _log_backtrace {
…		…
3307	$msg =~ s/\n//;	3869	$msg =~ s/\n//;
3308		3870
3309	# limit the # of concurrent backtraces	3871	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	3872	if ($_log_backtrace < 2) {
3311	++$_log_backtrace;	3873	++$_log_backtrace;
		3874	my $perl_bt = Carp::longmess $msg;
3312	async {	3875	async {
		3876	$Coro::current->{desc} = "abt $msg";
		3877
3313	my @bt = fork_call {	3878	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	3879	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3880	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3881	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	3882	or die "addr2line: $!";
…		…
3325	}	3890	}
3326		3891
3327	@funcs	3892	@funcs
3328	};	3893	};
3329		3894
3330	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $perl_bt\n";
		3896	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	3897	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	3898	--$_log_backtrace;
3333	};	3899	};
3334	} else {	3900	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	3901	LOG llevInfo, "[ABT] $msg\n";

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