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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
82		118
83	our %CFG;	119	our %CFG;
84		120
85	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
87		124
88	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
91		128
92	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		131
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
98		140
99	binmode STDOUT;	141	binmode STDOUT;
100	binmode STDERR;	142	binmode STDERR;
101		143
102	# read virtual server time, if available	144	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
107	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
108		152
109	mkdir $_	153	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		155
112	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
155		199
156	The raw value load value from the last tick.	200	The raw value load value from the last tick.
157		201
158	=item %cf::CFG	202	=item %cf::CFG
159		203
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	205	from wherever your confdir points to.
162		206
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		208
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
169	=back	219	=back
170		220
171	=cut	221	=cut
172		222
173	BEGIN {	223	BEGIN {
…		…
177	$msg .= "\n"	227	$msg .= "\n"
178	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
179		229
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		231
182	utf8::encode $msg;
183	LOG llevError, $msg;	232	LOG llevError, $msg;
184	};	233	};
185	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
186		250
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		258
194	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	260	# within the Safe compartment.
196	for my $pkg (qw(	261	for my $pkg (qw(
197	cf::global cf::attachable	262	cf::global cf::attachable
198	cf::object cf::object::player	263	cf::object cf::object::player
199	cf::client cf::player	264	cf::client cf::player
200	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
201	cf::map cf::party cf::region	267	cf::party cf::region
202	)) {	268	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	270	}
206		271
207	$Event::DIED = sub {	272	$EV::DIED = sub {
208	warn "error in event callback: @_";	273	warn "error in event callback: @_";
209	};	274	};
		275
		276	#############################################################################
210		277
211	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
212		279
213	=over 4	280	=over 4
214		281
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	301	$d
235	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
236	}	303	}
237		304
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
241		306
242	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
243		308
244	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
245		310
246	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
247		312
		313	=cut
		314
		315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		316
		317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
248	=item cf::lock_wait $string	334	=item cf::lock_wait $string
249		335
250	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
251		337
252	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
253		339
254	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
257	returned.	343	returned.
258		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
259	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
261		350
262	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
263		352
264	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
265		354
266	=cut	355	=cut
267		356
268	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
269		358
270	sub lock_wait($) {	359	sub lock_wait($) {
271	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	361	}
279		362
280	sub lock_acquire($) {	363	sub lock_acquire($) {
281	my ($key) = @_;	364	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	365	}
293		366
294	sub lock_active($) {	367	sub lock_active($) {
295	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	369	}
299		370
300	sub freeze_mainloop {	371	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
302		373
303	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
305	};	435	}
306	$TICK_WATCHER->stop;	436	};
307	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
308	}	450	}
309		451
310	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
311		453
312	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		459
318	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
319		461
320	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
321		463
322	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
325		468
326	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
329	fast or be very important.	472	fast or be very important.
…		…
332		475
333	sub sync_job(&) {	476	sub sync_job(&) {
334	my ($job) = @_;	477	my ($job) = @_;
335		478
336	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	480	my $time = EV::time;
338		481
339	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
341		484
342	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	486
344	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
345		488
346	my $busy = 1;	489	my $busy = 1;
347	my @res;	490	my @res;
348		491
349	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	494	@res = eval { $job->() };
351	warn $@ if $@;	495	warn $@ if $@;
352	undef $busy;	496	undef $busy;
353	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
354		498
355	while ($busy) {	499	while ($busy) {
356	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
357	}	504	}
		505	}
358		506
359	$time = Event::time - $time;	507	my $time = EV::time - $time;
360		508
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
365		510
366	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
367	} else {	512	} else {
368	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
369		514
…		…
389	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
390		535
391	$coro	536	$coro
392	}	537	}
393		538
394	sub write_runtime {	539	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		540
397	# first touch the runtime file to show we are still running:	541	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
399		545
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	546	=cut
401	utime undef, undef, $fh;	547
		548	sub fork_call(&@) {
		549	my ($cb, @args) = @_;
		550
		551	# we seemingly have to make a local copy of the whole thing,
		552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
		554
		555	my @res = Coro::Util::fork_eval {
		556	reset_signals;
		557	&$cb
		558	}, @args;
		559
		560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
402	}	617	};
		618	cf::cleanup "db_open(db): $@" if $@;
403		619
404	my $guard = cf::lock_acquire "write_runtime";	620	$db
		621	}
405		622
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	623	our $DB;
407	or return;
408		624
409	my $value = $cf::RUNTIME + 90 + 10;	625	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	626	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	627	$DB ||= db_table "db";
		628	};
		629	}
412		630
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	631	sub db_get($$) {
414	and return;	632	my $key = "$_[0]/$_[1]";
415		633
416	# always fsync - this file is important	634	cf::sync_job {
417	aio_fsync $fh	635	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		636
420	# touch it again to show we are up-to-date	637	$! ? ()
421	utime undef, undef, $fh;	638	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
432	}	715	}
433		716
434	=item cf::datalog type => key => value, ...	717	=item cf::datalog type => key => value, ...
435		718
436	Log a datalog packet of the given type with the given key-value pairs.	719	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		731
449	#############################################################################	732	#############################################################################
450		733
451	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
452		735
453	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
456		739
457	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	742	Deliantra).
460		743
461	=over 4	744	=over 4
462		745
463	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
464		747
…		…
508	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
509		792
510	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
512		795
513	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
515		798
516	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
517		800
518	=over 4	801	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
628		911
629	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		916
634	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	918	my $pkg = shift @arg;
636		919
637	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
667	}	950	}
668		951
669	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
670	} else {	953	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	955	}
673		956
674	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
675	}	958	}
676		959
…		…
678	if (ref $_[0]) {	961	if (ref $_[0]) {
679	_object_attach @_;	962	_object_attach @_;
680	} else {	963	} else {
681	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
682	}	965	}
		966	_recalc_want;
683	};	967	};
684		968
685	# all those should be optimised	969	# all those should be optimised
686	sub cf::attachable::detach {	970	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
691	reattach ($obj);	975	reattach ($obj);
692	} else {	976	} else {
693	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
694	}	978	}
		979	_recalc_want;
695	};	980	};
696		981
697	sub cf::attachable::attached {	982	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
699		984
…		…
714	";	999	";
715	die if $@;	1000	die if $@;
716	}	1001	}
717		1002
718	our $override;	1003	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1005
721	sub override {	1006	sub override {
722	$override = 1;	1007	$override = 1;
723	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
724	}	1009	}
725		1010
726	sub do_invoke {	1011	sub do_invoke {
727	my $event = shift;	1012	my $event = shift;
728	my $callbacks = shift;	1013	my $callbacks = shift;
729		1014
730	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
731		1016
732	local $override;	1017	local $override;
733		1018
734	for (@$callbacks) {	1019	for (@$callbacks) {
735	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
744	}	1029	}
745		1030
746	0	1031	0
747	}	1032	}
748		1033
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1035
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1037
753	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
754		1039
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1043
759	=back	1044	=back
760		1045
761	=cut	1046	=cut
762		1047
763	#############################################################################	1048	#############################################################################
764	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
765		1092
766	sub reattach {	1093	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1095	my ($obj) = @_;
769		1096
		1097	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1099
772	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
773		1101
774	@$registry = ();	1102	@$registry = ();
775		1103
…		…
790	cf::attachable->attach (	1118	cf::attachable->attach (
791	prio => -1000000,	1119	prio => -1000000,
792	on_instantiate => sub {	1120	on_instantiate => sub {
793	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
794		1122
795	$data = from_json $data;	1123	$data = decode_json $data;
796		1124
797	for (@$data) {	1125	for (@$data) {
798	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
799		1127
800	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1144	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
818		1146
819	sync_job {	1147	sync_job {
820	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
823		1152
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1157	aio_close $fh;
829		1158
830	if (@$objs) {	1159	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1165	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
838	}	1167	}
839	} else {	1168	} else {
840	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
841	}	1170	}
842		1171
843	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1176	} else {
845	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
846	}	1178	}
847	} else {	1179	} else {
848	aio_unlink $filename;	1180	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
850	}	1182	}
851	}	1183	};
852	}	1184	}
853		1185
854	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
856		1188
…		…
868	or return;	1200	or return;
869		1201
870	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
872	or return;	1204	or return;
		1205
873	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
874	}	1208	}
875		1209
		1210	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
878	return ($data, $av);	1214	($data, $av)
879	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
880		1222
881	#############################################################################	1223	#############################################################################
882	# command handling &c	1224	# command handling &c
883		1225
884	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1240	}
899		1241
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1243
902	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
903		1249
904	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
905	called.	1251	called.
906		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
907	=cut	1264	=cut
908		1265
909	sub register_extcmd {	1266	sub register_extcmd {
910	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
911		1268
912	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
913	}	1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
		1276	}
		1277
		1278	use File::Glob ();
914		1279
915	cf::player->attach (	1280	cf::player->attach (
916	on_command => sub {	1281	on_command => sub {
917	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
918		1283
…		…
926	cf::override;	1291	cf::override;
927	},	1292	},
928	on_extcmd => sub {	1293	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1294	my ($pl, $buf) = @_;
930		1295
931	my $msg = eval { from_json $buf };	1296	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1297
933	if (ref $msg) {	1298	if (ref $msg) {
		1299	my ($type, $reply, @payload) =
		1300	"ARRAY" eq ref $msg
		1301	? @$msg
		1302	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1303
		1304	my @reply;
		1305
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1306	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1307	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1308	}
		1309
		1310	$pl->ext_reply ($reply, @reply)
		1311	if $reply;
		1312
939	} else {	1313	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1314	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1315	}
942		1316
943	cf::override;	1317	cf::override;
944	},	1318	},
945	);	1319	);
946		1320
		1321	# "readahead" all extensions
947	sub load_extension {	1322	sub cache_extensions {
948	my ($path) = @_;	1323	my $grp = IO::AIO::aio_group;
949		1324
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
951	my $base = $1;	1326	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1328	}
975	die $@;
976	}	1329	};
977		1330
978	push @EXTS, $pkg;	1331	$grp
979	}	1332	}
980		1333
981	sub load_extensions {	1334	sub load_extensions {
		1335	cf::sync_job {
		1336	my %todo;
		1337
982	for my $ext (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1339	next unless -r $path;
984	eval {	1340
985	load_extension $ext;	1341	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1342	my $base = $1;
		1343	my $pkg = $1;
		1344	$pkg =~ s/[^[:word:]]/_/g;
		1345	$pkg = "ext::$pkg";
		1346
		1347	open my $fh, "<:utf8", $path
		1348	or die "$path: $!";
		1349
		1350	my $source = do { local $/; <$fh> };
		1351
		1352	my %ext = (
		1353	path => $path,
		1354	base => $base,
		1355	pkg => $pkg,
		1356	);
		1357
		1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1360
		1361	$ext{source} =
		1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1363	. "#line 1 \"$path\"\n{\n"
		1364	. $source
		1365	. "\n};\n1";
		1366
		1367	$todo{$base} = \%ext;
		1368	}
		1369
		1370	my %done;
		1371	while (%todo) {
		1372	my $progress;
		1373
		1374	while (my ($k, $v) = each %todo) {
		1375	for (split /,\s*/, $v->{meta}{depends}) {
		1376	goto skip
		1377	unless exists $done{$_};
		1378	}
		1379
		1380	warn "... loading '$k' into '$v->{pkg}'\n";
		1381
		1382	unless (eval $v->{source}) {
		1383	my $msg = $@ ? "$v->{path}: $@\n"
		1384	: "$v->{base}: extension inactive.\n";
		1385
		1386	if (exists $v->{meta}{mandatory}) {
		1387	warn $msg;
		1388	cf::cleanup "mandatory extension failed to load, exiting.";
		1389	}
		1390
		1391	warn $msg;
		1392	}
		1393
		1394	$done{$k} = delete $todo{$k};
		1395	push @EXTS, $v->{pkg};
		1396	$progress = 1;
986	1	1397	}
987	} or warn "$ext not loaded: $@";	1398
		1399	skip:
		1400	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1401	unless $progress;
		1402	}
988	}	1403	};
989	}	1404	}
990		1405
991	#############################################################################	1406	#############################################################################
992		1407
		1408	=back
		1409
993	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
994		1411
995	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
996		1413
997	=cut	1414	=cut
998		1415
999	package cf::player;	1416	package cf::player;
1000		1417
1001	use Coro::AIO;	1418	use Coro::AIO;
1002		1419
1003	=head3 cf::player	1420	=head3 cf::player
1004		1421
1005	=over 4	1422	=over 4
		1423
		1424	=item cf::player::num_playing
		1425
		1426	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1427
		1428	=cut
		1429
		1430	sub num_playing {
		1431	scalar grep
		1432	$_->ob->map
		1433	&& !$_->hidden
		1434	&& !$_->ob->flag (cf::FLAG_WIZ),
		1435	cf::player::list
		1436	}
1006		1437
1007	=item cf::player::find $login	1438	=item cf::player::find $login
1008		1439
1009	Returns the given player object, loading it if necessary (might block).	1440	Returns the given player object, loading it if necessary (might block).
1010		1441
…		…
1029		1460
1030	sub exists($) {	1461	sub exists($) {
1031	my ($login) = @_;	1462	my ($login) = @_;
1032		1463
1033	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1035	}	1466	}
1036		1467
1037	sub find($) {	1468	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1470	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1477	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1478	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1479	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1481
1051	my $pl = load_pl path $login	1482	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1483	or return;
		1484
		1485	my $pl = cf::player::load_pl $f
		1486	or return;
		1487
		1488	local $cf::PLAYER_LOADING{$login} = $pl;
		1489	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1054	}	1491	}
1055	}	1492	}
1056	}	1493	}
1057		1494
…		…
1066	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1067		1504
1068	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
1070		1507
		1508	cf::get_slot 0.01;
		1509
1071	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1072	Coro::cede;	1511	cf::cede_to_tick;
1073	}	1512	}
1074		1513
1075	sub new($) {	1514	sub new($) {
1076	my ($login) = @_;	1515	my ($login) = @_;
1077		1516
…		…
1083	$cf::PLAYER{$login} = $self;	1522	$cf::PLAYER{$login} = $self;
1084		1523
1085	$self	1524	$self
1086	}	1525	}
1087		1526
		1527	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1528
		1529	=cut
		1530
		1531	sub send_msg {
		1532	my $ns = shift->ns
		1533	or return;
		1534	$ns->send_msg (@_);
		1535	}
		1536
1088	=item $pl->quit_character	1537	=item $pl->quit_character
1089		1538
1090	Nukes the player without looking back. If logged in, the connection will	1539	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1540	be destroyed. May block for a long time.
1092		1541
…		…
1096	my ($pl) = @_;	1545	my ($pl) = @_;
1097		1546
1098	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1099		1548
1100	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1551
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1107		1558
1108	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1596	or return [];
1146		1597
1147	my @logins;	1598	my @logins;
1148		1599
1149	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
		1601	my $path = path $login;
		1602
		1603	# a .pst is a dead give-away for a valid player
		1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1609	}
1153		1610
1154	utf8::decode $login;	1611	utf8::decode $login;
1155	push @logins, $login;	1612	push @logins, $login;
1156	}	1613	}
1157		1614
…		…
1184	}	1641	}
1185		1642
1186	\@paths	1643	\@paths
1187	}	1644	}
1188		1645
		1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1647
		1648	Expand deliantra pod fragments into protocol xml.
		1649
1189	=item $player->ext_reply ($msgid, %msg)	1650	=item $player->ext_reply ($msgid, @msg)
1190		1651
1191	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1192		1653
1193	=cut	1654	=cut
1194		1655
1195	sub ext_reply($$%) {	1656	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1657	my ($self, $id, @msg) = @_;
1197		1658
1198	$msg{msgid} = $id;	1659	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1660	}
1202		1661
1203	=item $player->ext_event ($type, %msg)	1662	=item $player->ext_msg ($type, @msg)
1204		1663
1205	Sends an ext event to the client.	1664	Sends an ext event to the client.
1206		1665
1207	=cut	1666	=cut
1208		1667
1209	sub ext_event($$%) {	1668	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1669	my ($self, $type, @msg) = @_;
1211		1670
1212	$self->ns->ext_event ($type, %msg);	1671	$self->ns->ext_msg ($type, @msg);
1213	}	1672	}
1214		1673
1215	=head3 cf::region	1674	=head3 cf::region
1216		1675
1217	=over 4	1676	=over 4
…		…
1220		1679
1221	package cf::region;	1680	package cf::region;
1222		1681
1223	=item cf::region::find_by_path $path	1682	=item cf::region::find_by_path $path
1224		1683
1225	Tries to decuce the probable region for a map knowing only its path.	1684	Tries to decuce the likely region for a map knowing only its path.
1226		1685
1227	=cut	1686	=cut
1228		1687
1229	sub find_by_path($) {	1688	sub find_by_path($) {
1230	my ($path) = @_;	1689	my ($path) = @_;
1231		1690
1232	my ($match, $specificity);	1691	my ($match, $specificity);
1233		1692
1234	for my $region (list) {	1693	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1694	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1695	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1696	if $region->specificity > $specificity;
1238	}	1697	}
1239	}	1698	}
1240		1699
…		…
1261	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1263		1722
1264	sub generate_random_map {	1723	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1266	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1729	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1305		1767
1306	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1307	local $self->{path};	1769	local $self->{path};
1308	local $self->{load_path};	1770	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1771
1312	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1313	}	1773	}
1314		1774
1315	sub normalise {	1775	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1363	return $self;	1823	return $self;
1364	}	1824	}
1365	}	1825	}
1366		1826
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1828	()
1369	}	1829	}
1370		1830
1371	sub init {	1831	sub init {
1372	my ($self) = @_;	1832	my ($self) = @_;
…		…
1394		1854
1395	# the temporary/swap location	1855	# the temporary/swap location
1396	sub save_path {	1856	sub save_path {
1397	my ($self) = @_;	1857	my ($self) = @_;
1398		1858
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1401	}	1861	}
1402		1862
1403	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1404	sub uniq_path {	1864	sub uniq_path {
1405	my ($self) = @_;	1865	my ($self) = @_;
1406		1866
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1409	}	1869	}
1410		1870
1411	# and all this just because we cannot iterate over	1871	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1872	my ($self) = @_;
1415		1873
1416	$_->change_map_light ($change)	1874	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1875
		1876	$self->do_decay_objects;
1418	}	1877	}
1419		1878
1420	sub unlink_save {	1879	sub unlink_save {
1421	my ($self) = @_;	1880	my ($self) = @_;
1422		1881
…		…
1427		1886
1428	sub load_header_from($) {	1887	sub load_header_from($) {
1429	my ($self, $path) = @_;	1888	my ($self, $path) = @_;
1430		1889
1431	utf8::encode $path;	1890	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1891	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1892	or return;
		1893
		1894	$self->_load_header ($f)
		1895	or return;
		1896
		1897	local $MAP_LOADING{$self->{path}} = $self;
		1898	$f->resolve_delayed_derefs;
1437		1899
1438	$self->{load_path} = $path;	1900	$self->{load_path} = $path;
1439		1901
1440	1	1902	1
1441	}	1903	}
…		…
1480	$self->load_header_orig	1942	$self->load_header_orig
1481	or return;	1943	or return;
1482	$self->prepare_orig;	1944	$self->prepare_orig;
1483	}	1945	}
1484		1946
		1947	$self->{deny_reset} = 1
		1948	if $self->no_reset;
		1949
1485	$self->default_region (cf::region::find_by_path $self->{path})	1950	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1951	unless $self->default_region;
1487		1952
1488	1	1953	1
1489	}	1954	}
…		…
1492	sub find {	1957	sub find {
1493	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1494		1959
1495	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1496		1961
		1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1498		1964
1499	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1502	or return;	1967	or return;
1503		1968
1504	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1505		1970
1506	$map->load_header	1971	$map->load_header
1507	or return;	1972	or return;
1508		1973
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
		1978	undef $guard1;
1512	$map->reset;	1979	$map->reset;
1513	undef $guard;
1514	return find $path;	1980	return find $path;
1515	}	1981	}
1516		1982
1517	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
1518	}	1984	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1993	local $self->{deny_reset} = 1; # loading can take a long time
1528		1994
1529	my $path = $self->{path};	1995	my $path = $self->{path};
1530		1996
1531	{	1997	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1998	my $guard = cf::lock_acquire "map_data:$path";
1533		1999
		2000	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2001	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2002
1536	$self->in_memory (cf::MAP_LOADING);	2003	$self->in_memory (cf::MAP_LOADING);
1537		2004
1538	$self->alloc;	2005	$self->alloc;
1539		2006
1540	$self->pre_load;	2007	$self->pre_load;
1541	Coro::cede;	2008	cf::cede_to_tick;
1542		2009
		2010	my $f = new_from_file cf::object::thawer $self->{load_path};
		2011	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2012	$self->_load_objects ($f)
1544	or return;	2013	or return;
1545		2014
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1547	if delete $self->{load_original};	2016	if delete $self->{load_original};
1548		2017
1549	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2019	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2020	unless (aio_stat $uniq) {
		2021	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2022	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2023	$self->_load_objects ($f);
		2024	$f->resolve_delayed_derefs;
		2025	}
1554	}	2026	}
1555	}	2027	}
1556		2028
1557	Coro::cede;	2029	$f->resolve_delayed_derefs;
		2030
		2031	cf::cede_to_tick;
1558	# now do the right thing for maps	2032	# now do the right thing for maps
1559	$self->link_multipart_objects;	2033	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2034	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2035	unless $self->difficulty;
1562	Coro::cede;	2036	cf::cede_to_tick;
1563		2037
1564	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2039	$self->decay_objects;
1566	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1567	$self->update_buttons;	2041	$self->update_buttons;
1568	Coro::cede;	2042	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2043	$self->activate;
1572	}	2044	}
1573		2045
		2046	$self->{last_save} = $cf::RUNTIME;
		2047	$self->last_access ($cf::RUNTIME);
		2048
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2050	}
1576		2051
1577	$self->post_load;	2052	$self->post_load;
1578	}	2053	}
1579		2054
…		…
1581	my ($self, $ob) = @_;	2056	my ($self, $ob) = @_;
1582		2057
1583	return find "~" . $ob->name . "/" . $self->{path}	2058	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2059	if $self->per_player;
1585		2060
		2061	# return find "?party/" . $ob->name . "/" . $self->{path}
		2062	# if $self->per_party;
		2063
1586	$self	2064	$self
1587	}	2065	}
1588		2066
1589	# find and load all maps in the 3x3 area around a map	2067	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2068	sub load_neighbours {
1591	my ($map) = @_;	2069	my ($map) = @_;
1592		2070
1593	my @diag; # diagonal neighbours	2071	my @neigh; # diagonal neighbours
1594		2072
1595	for (0 .. 3) {	2073	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2074	my $neigh = $map->tile_path ($_)
1597	or next;	2075	or next;
1598	$neigh = find $neigh, $map	2076	$neigh = find $neigh, $map
1599	or next;	2077	or next;
1600	$neigh->load;	2078	$neigh->load;
1601		2079
		2080	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2081	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2082	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2083	}
1605		2084
1606	for (@diag) {	2085	for (grep defined $_->[0], @neigh) {
		2086	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2087	my $neigh = find $path, $origin
1608	or next;	2088	or next;
1609	$neigh->load;	2089	$neigh->load;
1610	}	2090	}
1611	}	2091	}
1612		2092
…		…
1617	}	2097	}
1618		2098
1619	sub do_load_sync {	2099	sub do_load_sync {
1620	my ($map) = @_;	2100	my ($map) = @_;
1621		2101
		2102	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2103	if $Coro::current == $Coro::main;
		2104
1622	cf::sync_job { $map->load };	2105	cf::sync_job { $map->load };
1623	}	2106	}
1624		2107
1625	our %MAP_PREFETCH;	2108	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2109	our $MAP_PREFETCHER = undef;
1627		2110
1628	sub find_async {	2111	sub find_async {
1629	my ($path, $origin) = @_;	2112	my ($path, $origin, $load) = @_;
1630		2113
1631	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
1632		2115
1633	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2118	}
1636		2119
1637	undef $MAP_PREFETCH{$path};	2120	$MAP_PREFETCH{$path} |= $load;
		2121
1638	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
1639	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2127	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2128	$map->load if $v;
		2129	}
1644		2130
1645	delete $MAP_PREFETCH{$path};	2131	delete $MAP_PREFETCH{$k};
1646	}	2132	}
1647	}	2133	}
1648	undef $MAP_PREFETCHER;	2134	undef $MAP_PREFETCHER;
1649	};	2135	};
1650	$MAP_PREFETCHER->prio (6);	2136	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2139	}
1654		2140
1655	sub save {	2141	sub save {
1656	my ($self) = @_;	2142	my ($self) = @_;
1657		2143
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2144	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2145
1660	$self->{last_save} = $cf::RUNTIME;	2146	$self->{last_save} = $cf::RUNTIME;
1661		2147
1662	return unless $self->dirty;	2148	return unless $self->dirty;
1663		2149
…		…
1669	return if $self->{deny_save};	2155	return if $self->{deny_save};
1670		2156
1671	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
1672		2158
1673	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
1675	};	2162	};
		2163
		2164	cf::get_slot 0.02;
1676		2165
1677	if ($uniq) {	2166	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2169	} else {
…		…
1686	my ($self) = @_;	2175	my ($self) = @_;
1687		2176
1688	# save first because save cedes	2177	# save first because save cedes
1689	$self->save;	2178	$self->save;
1690		2179
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2181
1693	return if $self->players;	2182	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2184	return if $self->{deny_save};
1696		2185
		2186	$self->in_memory (cf::MAP_SWAPPED);
		2187
		2188	$self->deactivate;
		2189	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2190	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2191	}
1700		2192
1701	sub reset_at {	2193	sub reset_at {
1702	my ($self) = @_;	2194	my ($self) = @_;
1703		2195
1704	# TODO: safety, remove and allow resettable per-player maps	2196	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2197	return 1e99 if $self->{deny_reset};
1707		2198
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2199	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2200	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2201
…		…
1721	my ($self) = @_;	2212	my ($self) = @_;
1722		2213
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2215
1725	return if $self->players;	2216	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2217
1728	warn "resetting map ", $self->path;#d#	2218	warn "resetting map ", $self->path;
1729		2219
1730	$self->in_memory (cf::MAP_SWAPPED);	2220	$self->in_memory (cf::MAP_SWAPPED);
1731		2221
1732	# need to save uniques path	2222	# need to save uniques path
1733	unless ($self->{deny_save}) {	2223	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2227	if $uniq;
1738	}	2228	}
1739		2229
1740	delete $cf::MAP{$self->path};	2230	delete $cf::MAP{$self->path};
1741		2231
		2232	$self->deactivate;
		2233	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2234	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2235
1746	$self->unlink_save;	2236	$self->unlink_save;
1747	$self->destroy;	2237	$self->destroy;
1748	}	2238	}
1749		2239
1750	my $nuke_counter = "aaaa";	2240	my $nuke_counter = "aaaa";
1751		2241
1752	sub nuke {	2242	sub nuke {
1753	my ($self) = @_;	2243	my ($self) = @_;
1754		2244
		2245	{
		2246	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2247
1755	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1756		2249
1757	$self->unlink_save;	2250	$self->unlink_save;
1758		2251
1759	bless $self, "cf::map";	2252	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2253	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2254	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2255	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2256	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2257
1765	$cf::MAP{$self->path} = $self;	2258	$cf::MAP{$self->path} = $self;
		2259	}
1766		2260
1767	$self->reset; # polite request, might not happen	2261	$self->reset; # polite request, might not happen
		2262	}
		2263
		2264	=item $maps = cf::map::tmp_maps
		2265
		2266	Returns an arrayref with all map paths of currently instantiated and saved
		2267	maps. May block.
		2268
		2269	=cut
		2270
		2271	sub tmp_maps() {
		2272	[
		2273	map {
		2274	utf8::decode $_;
		2275	/\.map$/
		2276	? normalise $_
		2277	: ()
		2278	} @{ aio_readdir $TMPDIR or [] }
		2279	]
		2280	}
		2281
		2282	=item $maps = cf::map::random_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	random maps. May block.
		2286
		2287	=cut
		2288
		2289	sub random_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise "?random/$_"
		2295	: ()
		2296	} @{ aio_readdir $RANDOMDIR or [] }
		2297	]
1768	}	2298	}
1769		2299
1770	=item cf::map::unique_maps	2300	=item cf::map::unique_maps
1771		2301
1772	Returns an arrayref of paths of all shared maps that have	2302	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2303	instantiated unique items. May block.
1774		2304
1775	=cut	2305	=cut
1776		2306
1777	sub unique_maps() {	2307	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2308	[
1779	or return;	2309	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2310	utf8::decode $_;
1785	next if /\.pst$/;	2311	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2313	? ()
1788	push @paths, cf::map::normalise $_;	2314	: normalise $_
		2315	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2316	]
1790
1791	\@paths
1792	}	2317	}
1793
1794	package cf;
1795		2318
1796	=back	2319	=back
1797		2320
1798	=head3 cf::object	2321	=head3 cf::object
1799		2322
…		…
1803		2326
1804	=over 4	2327	=over 4
1805		2328
1806	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
1807		2330
1808	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
1809		2333
1810	=cut	2334	=cut
1811		2335
1812	sub inv_recursive_;	2336	sub inv_recursive_;
1813	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
1816		2340
1817	sub inv_recursive {	2341	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
1819	}	2343	}
1820		2344
		2345	=item $ref = $ob->ref
		2346
		2347	Creates and returns a persistent reference to an object that can be stored as a string.
		2348
		2349	=item $ob = cf::object::deref ($refstring)
		2350
		2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2352	even if the object actually exists. May block.
		2353
		2354	=cut
		2355
		2356	sub deref {
		2357	my ($ref) = @_;
		2358
		2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2360	my ($uuid, $name) = ($1, $2);
		2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2362	or return;
		2363	$pl->ob->uuid eq $uuid
		2364	or return;
		2365
		2366	$pl->ob
		2367	} else {
		2368	warn "$ref: cannot resolve object reference\n";
		2369	undef
		2370	}
		2371	}
		2372
1821	package cf;	2373	package cf;
1822		2374
1823	=back	2375	=back
1824		2376
1825	=head3 cf::object::player	2377	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2383	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
1834		2386
1835	=cut	2387	=cut
		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
1836		2402
1837	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2404	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
…		…
1842		2408
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2410
1845	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1847	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2424	}
1850	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1851	}	2436	}
1852		2437
1853	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1854		2439
1855	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1868		2453
1869	=item $player_object->enter_link	2454	=item $player_object->enter_link
1870		2455
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2457
1873	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
1875		2462
1876	Will never block.	2463	Will never block.
1877		2464
1878	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1879		2466
…		…
1902	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1903		2490
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2492
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1908		2495
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2497	}
1911		2498
1912	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1914		2503
1915	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1916		2505
1917	unless ($map) {	2506	unless ($map) {
1918	# restore original map position	2507	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1935		2524
1936	$map->load;	2525	$map->load;
1937	$map->load_diag;	2526	$map->load_neighbours;
1938		2527
1939	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2530	$self->activate_recursive;
1941		2531
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
1944	}	2534	}
1945		2535
1946	cf::player->attach (	2536	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2537
1950	# abort map switching before logout	2538	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2539	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2540	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2541	the new (success) or old (failed) map position. In either case, $done will
1954	};	2542	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2543
1960	# try to abort aborted map switching on player login :)	2544	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2545	it needs a loaded map it has to call C<< ->load >>.
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2546
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2547	=cut
		2548
		2549	our $GOTOGEN;
1981		2550
1982	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2552	my ($self, $path, $x, $y, $check, $done) = @_;
		2553
		2554	# do generation counting so two concurrent goto's will be executed in-order
		2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2556
1985	$self->enter_link;	2557	$self->enter_link;
1986		2558
1987	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
		2562	# *tag paths override both path and x|y
		2563	if ($path =~ /^\*(.*)$/) {
		2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2565	my $ob = $obs[rand @obs];
		2566
		2567	# see if we actually can go there
		2568	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2569	$ob = $obs[rand @obs];
		2570	} else {
		2571	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	}
		2573	# else put us there anyways for now #d#
		2574
		2575	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2576	} else {
		2577	($path, $x, $y) = (undef, undef, undef);
		2578	}
		2579	}
		2580
1988	my $map = eval {	2581	my $map = eval {
1989	my $map = cf::map::find $path;	2582	my $map = defined $path ? cf::map::find $path : undef;
		2583
		2584	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2585	$map = $map->customise_for ($self);
		2586	$map = $check->($map) if $check && $map;
		2587	} else {
		2588	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590
1991	$map	2591	$map
		2592	};
		2593
		2594	if ($@) {
		2595	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2597	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2598
		2599	if ($gen == $self->{_goto_generation}) {
		2600	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2601	$self->leave_link ($map, $x, $y);
		2602	}
		2603
		2604	$done->() if $done;
1996	})->prio (1);	2605	})->prio (1);
1997	}	2606	}
1998		2607
1999	=item $player_object->enter_exit ($exit_object)	2608	=item $player_object->enter_exit ($exit_object)
2000		2609
…		…
2020	}	2629	}
2021		2630
2022	sub prepare_random_map {	2631	sub prepare_random_map {
2023	my ($exit) = @_;	2632	my ($exit) = @_;
2024		2633
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2636	# that depends on the exit object
2030		2637
2031	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2640	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2038	}	2647	}
2039		2648
2040	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2041		2650
2042	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2045		2654
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2657	undef $fh;
2049	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2050		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2053	}	2666	}
2054	}	2667	}
2055		2668
2056	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2058		2671
2059	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2060		2673
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2674	$self->enter_link;
2073		2675
2074	(async {	2676	(async {
2075	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2076	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2077	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2078		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2079	1;	2700	1
2080	}) {	2701	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2706
2086	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2105		2726
2106	utf8::encode $text;	2727	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2729	}
2109		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
		2828	);
		2829
		2830	sub cf::client::send_msg {
		2831	my ($self, $channel, $msg, $color, @extra) = @_;
		2832
		2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel);
		2843	$channel = $channel->{id};
		2844
		2845	} elsif (ref $channel) {
		2846	# send meta info to client, if not yet sent
		2847	unless (exists $self->{channel}{$channel->{id}}) {
		2848	$self->{channel}{$channel->{id}} = $channel;
		2849	$self->ext_msg (channel_info => $channel);
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	# default colour, mask it out
		2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2859	if $color & cf::NDI_DEF;
		2860
		2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2864	);
		2865
		2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
		2869
		2870	# split very large packets
		2871	if (8192 < length $pkt and $self->{can_lzf}) {
		2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2873	$pkt = "frag";
		2874	}
		2875
		2876	$self->send_packet ($pkt);
		2877	}
		2878
2110	=item $client->ext_event ($type, %msg)	2879	=item $client->ext_msg ($type, @msg)
2111		2880
2112	Sends an exti event to the client.	2881	Sends an ext event to the client.
2113		2882
2114	=cut	2883	=cut
2115		2884
2116	sub cf::client::ext_event($$%) {	2885	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2886	my ($self, $type, @msg) = @_;
2118		2887
		2888	if ($self->extcmd == 2) {
		2889	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2890	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2891	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2892	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2893	}
		2894	}
		2895
		2896	=item $client->ext_reply ($msgid, @msg)
		2897
		2898	Sends an ext reply to the client.
		2899
		2900	=cut
		2901
		2902	sub cf::client::ext_reply($$@) {
		2903	my ($self, $id, @msg) = @_;
		2904
		2905	if ($self->extcmd == 2) {
		2906	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2907	} elsif ($self->extcmd == 1) {
		2908	#TODO: version 1, remove
		2909	unshift @msg, msgtype => "reply", msgid => $id;
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
2121	}	2912	}
2122		2913
2123	=item $success = $client->query ($flags, "text", \&cb)	2914	=item $success = $client->query ($flags, "text", \&cb)
2124		2915
2125	Queues a query to the client, calling the given callback with	2916	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2917	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2918	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2919
2129	Queries can fail, so check the return code. Or don't, as queries will become	2920	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2921	become reliable at some point in the future.
2131		2922
2132	=cut	2923	=cut
2133		2924
2134	sub cf::client::query {	2925	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2926	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2934	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2935	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2936
2146	$self->send_packet ($self->{query_queue}[0][0])	2937	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2938	if @{ $self->{query_queue} } == 1;
		2939
		2940	1
2148	}	2941	}
2149		2942
2150	cf::client->attach (	2943	cf::client->attach (
		2944	on_connect => sub {
		2945	my ($ns) = @_;
		2946
		2947	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2948	},
2151	on_reply => sub {	2949	on_reply => sub {
2152	my ($ns, $msg) = @_;	2950	my ($ns, $msg) = @_;
2153		2951
2154	# this weird shuffling is so that direct followup queries	2952	# this weird shuffling is so that direct followup queries
2155	# get handled first	2953	# get handled first
…		…
2167	} else {	2965	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2966	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2967	}
2170	}	2968	}
2171	},	2969	},
		2970	on_exticmd => sub {
		2971	my ($ns, $buf) = @_;
		2972
		2973	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2974
		2975	if (ref $msg) {
		2976	my ($type, $reply, @payload) =
		2977	"ARRAY" eq ref $msg
		2978	? @$msg
		2979	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2980
		2981	my @reply;
		2982
		2983	if (my $cb = $EXTICMD{$type}) {
		2984	@reply = $cb->($ns, @payload);
		2985	}
		2986
		2987	$ns->ext_reply ($reply, @reply)
		2988	if $reply;
		2989
		2990	} else {
		2991	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2992	}
		2993
		2994	cf::override;
		2995	},
2172	);	2996	);
2173		2997
2174	=item $client->async (\&cb)	2998	=item $client->async (\&cb)
2175		2999
2176	Create a new coroutine, running the specified callback. The coroutine will	3000	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3041	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3042	our $safe_hole = new Safe::Hole;
2219		3043
2220	$SIG{FPE} = 'IGNORE';	3044	$SIG{FPE} = 'IGNORE';
2221		3045
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3046	$safe->permit_only (Opcode::opset qw(
		3047	:base_core :base_mem :base_orig :base_math
		3048	grepstart grepwhile mapstart mapwhile
		3049	sort time
		3050	));
2223		3051
2224	# here we export the classes and methods available to script code	3052	# here we export the classes and methods available to script code
2225		3053
2226	=pod	3054	=pod
2227		3055
2228	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2229		3057
2230	cf::object contr pay_amount pay_player map	3058	cf::object
		3059	contr pay_amount pay_player map x y force_find force_add destroy
		3060	insert remove name archname title slaying race decrease split
		3061	value
		3062
2231	cf::object::player player	3063	cf::object::player
2232	cf::player peaceful	3064	player
2233	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2234		3071
2235	=cut	3072	=cut
2236		3073
2237	for (	3074	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2242	) {	3081	) {
2243	no strict 'refs';	3082	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2262	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2263		3102
2264	my $qcode = $code;	3103	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2267		3108
2268	local $_;	3109	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2270		3111
2271	my $eval =	3112	my $eval =
…		…
2314	=back	3155	=back
2315		3156
2316	=cut	3157	=cut
2317		3158
2318	#############################################################################	3159	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3160	# the server's init and main functions
2494		3161
2495	sub load_facedata($) {	3162	sub load_facedata($) {
2496	my ($path) = @_;	3163	my ($path) = @_;
		3164
		3165	# HACK to clear player env face cache, we need some signal framework
		3166	# for this (global event?)
		3167	%ext::player_env::MUSIC_FACE_CACHE = ();
		3168
		3169	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3170
2498	warn "loading facedata from $path\n";	3171	warn "loading facedata from $path\n";
2499		3172
2500	my $facedata;	3173	my $facedata;
2501	0 < aio_load $path, $facedata	3174	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3177	$facedata = Coro::Storable::thaw $facedata;
2505		3178
2506	$facedata->{version} == 2	3179	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3180	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3181
		3182	# patch in the exptable
		3183	$facedata->{resource}{"res/exp_table"} = {
		3184	type => FT_RSRC,
		3185	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3186	};
		3187	cf::cede_to_tick;
		3188
2509	{	3189	{
2510	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
2511		3191
2512	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3195	cf::face::set_visibility $idx, $info->{visibility};
		3196	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3199
		3200	cf::cede_to_tick;
2518	}	3201	}
2519		3202
2520	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
2522	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
2523	or next;	3207	or next;
		3208
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
		3210	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3212	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3214	}
2529	Coro::cede;	3215
		3216	cf::cede_to_tick;
2530	}	3217	}
2531	}	3218	}
2532		3219
2533	{	3220	{
2534	my $anims = $facedata->{animinfo};	3221	my $anims = $facedata->{animinfo};
2535		3222
2536	while (my ($anim, $info) = each %$anims) {	3223	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3224	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3225	cf::cede_to_tick;
2539	}	3226	}
2540		3227
2541	cf::anim::invalidate_all; # d'oh	3228	cf::anim::invalidate_all; # d'oh
2542	}	3229	}
2543		3230
		3231	{
		3232	# TODO: for gcfclient pleasure, we should give resources
		3233	# that gcfclient doesn't grok a >10000 face index.
		3234	my $res = $facedata->{resource};
		3235
		3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
		3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3239	my $data;
		3240
		3241	if ($info->{type} & 1) {
		3242	# prepend meta info
		3243
		3244	my $meta = $enc->encode ({
		3245	name => $name,
		3246	%{ $info->{meta} || {} },
		3247	});
		3248
		3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
		3256	} else {
		3257	$RESOURCE{$name} = $info;
		3258	}
		3259
		3260	cf::cede_to_tick;
		3261	}
		3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3265
2544	1	3266	1
2545	}	3267	}
2546		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
		3288
		3289	register_exticmd fx_want => sub {
		3290	my ($ns, $want) = @_;
		3291
		3292	while (my ($k, $v) = each %$want) {
		3293	$ns->fx_want ($k, $v);
		3294	}
		3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
2547	sub reload_regions {	3307	sub reload_regions {
		3308	# HACK to clear player env face cache, we need some signal framework
		3309	# for this (global event?)
		3310	%ext::player_env::MUSIC_FACE_CACHE = ();
		3311
2548	load_resource_file "$MAPDIR/regions"	3312	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3313	or die "unable to load regions file\n";
		3314
		3315	for (cf::region::list) {
		3316	$_->{match} = qr/$_->{match}/
		3317	if exists $_->{match};
		3318	}
2550	}	3319	}
2551		3320
2552	sub reload_facedata {	3321	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3322	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3323	or die "unable to load facedata\n";
…		…
2565	}	3334	}
2566		3335
2567	sub reload_resources {	3336	sub reload_resources {
2568	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
2569		3338
2570	reload_regions;
2571	reload_facedata;	3339	reload_facedata;
2572	reload_archetypes;	3340	reload_archetypes;
		3341	reload_regions;
2573	reload_treasures;	3342	reload_treasures;
2574		3343
2575	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
2576	}	3345	}
2577		3346
2578	sub init {	3347	sub reload_config {
2579	reload_resources;
2580	}
2581
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3349	or return;
2585		3350
2586	local $/;	3351	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2588		3353
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3355
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3363	};
2599	warn $@ if $@;	3364	warn $@ if $@;
2600	}	3365	}
2601	}	3366	}
2602		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2603	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
2604	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3405	(async {
2608	Event::one_event;	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3407	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
2610	};	3409	};
2611		3410
2612	cfg_load;	3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
		3415	reload_config;
2613	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
2614	load_extensions;	3429	load_extensions;
2615		3430
2616	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
2617	Event::loop;	3439	EV::loop;
2618	}	3440	}
2619		3441
2620	#############################################################################	3442	#############################################################################
2621	# initialisation and cleanup	3443	# initialisation and cleanup
2622		3444
2623	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
2624	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
2633	},
2634	);	3451	};
		3452	}
		3453	}
		3454
		3455	sub write_runtime_sync {
		3456	# first touch the runtime file to show we are still running:
		3457	# the fsync below can take a very very long time.
		3458
		3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3460
		3461	my $guard = cf::lock_acquire "write_runtime";
		3462
		3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3464	or return;
		3465
		3466	my $value = $cf::RUNTIME + 90 + 10;
		3467	# 10 is the runtime save interval, for a monotonic clock
		3468	# 60 allows for the watchdog to kill the server.
		3469
		3470	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3471	and return;
		3472
		3473	# always fsync - this file is important
		3474	aio_fsync $fh
		3475	and return;
		3476
		3477	# touch it again to show we are up-to-date
		3478	aio_utime $fh, undef, undef;
		3479
		3480	close $fh
		3481	or return;
		3482
		3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3484	and return;
		3485
		3486	warn "runtime file written.\n";
		3487
2635	}	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2636	}	3539	}
2637		3540
2638	sub emergency_save() {	3541	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2640		3543
2641	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
2642		3545
2643	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
2644	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3560	$pl->save;
2652	}	3561	}
2653	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
2654		3563
2655	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3567	$map->valid or next;
2659	$map->save;	3568	$map->save;
2660	}	3569	}
2661	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
2662		3571
2663	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
2666	};	3579	};
2667		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
2668	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
2669	}	3587	}
2670		3588
2671	sub post_cleanup {	3589	sub post_cleanup {
2672	my ($make_core) = @_;	3590	my ($make_core) = @_;
2673		3591
2674	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
2676	}	3623	}
2677		3624
2678	sub do_reload_perl() {	3625	sub do_reload_perl() {
2679	# can/must only be called in main	3626	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
2682	return;	3629	return;
2683	}	3630	}
2684		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
2685	warn "reloading...";	3637	warn "reloading...";
2686		3638
2687	warn "entering sync_job";	3639	warn "entering sync_job";
2688		3640
2689	cf::sync_job {	3641	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3643	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
2693		3645
2694	warn "syncing database to disk";	3646	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3648
2697	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
2698		3650
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3654	}
2735		3655
2736	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
2738	}	3658	%EXT_CORO = ();
2739		3659
2740	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3669	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3670
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
2751	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
2752	}	3680	}
2753		3681
2754	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
2755	}	3697	}
2756		3698
2757	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3702
2761	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		3706
2765	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3708	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
2768		3710
2769	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
2770		3712
2771	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
2772	require cf;	3714	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3716
2775	warn "loading config and database again";	3717	warn "loading config and database again";
2776	cf::cfg_load;	3718	cf::reload_config;
2777		3719
2778	warn "loading extensions";	3720	warn "loading extensions";
2779	cf::load_extensions;	3721	cf::load_extensions;
2780		3722
		3723	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
2787		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
2788	warn "leaving sync_job";	3735	warn "leaving sync_job";
2789		3736
2790	1	3737	1
2791	} or do {	3738	} or do {
2792	warn $@;	3739	warn $@;
2793	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3741	};
2796		3742
2797	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
2798	};	3749	};
2799		3750
2800	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
2801		3752
2802	sub reload_perl() {	3753	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
2805		3756
2806	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	3759
2809	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	3761	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
2813	},	3763	};
2814	);	3764	};
2815	}	3765	}
2816		3766
2817	register_command "reload" => sub {	3767	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
2819		3769
2820	if ($who->flag (FLAG_WIZ)) {	3770	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3771	$who->message ("reloading server.");
		3772	async {
		3773	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3774	reload_perl;
		3775	};
2823	}	3776	}
2824	};	3777	};
2825		3778
2826	unshift @INC, $LIBDIR;	3779	unshift @INC, $LIBDIR;
2827		3780
…		…
2829		3782
2830	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
2832		3785
2833	sub wait_for_tick {	3786	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3788
2837	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3791	$signal->wait;
2840	}	3792	}
2841		3793
2842	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3796
2846	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3799	$signal->wait;
2849	}	3800	}
2850		3801
2851	$TICK_WATCHER = Event->timer (	3802	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
2861	return;	3806	return;
2862	}	3807	}
2863		3808
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
2867		3810
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3813	Coro::async_pool {
		3814	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3815	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3817	};
		3818	}
2878		3819
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3821	$sig->send;
2884	}	3822	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3824	$sig->send;
2887	}	3825	}
2888		3826
2889	$NOW = Event::time;	3827	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3829
2900	_post_tick;	3830	if (0) {
2901		3831	if ($NEXT_TICK) {
2902		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
2903	},	3836	}
2904	);	3837	}
2905		3838
2906	{	3839	{
2907	BDB::max_poll_time $TICK * 0.1;	3840	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3841
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
2917		3843	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3844	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3845
2933	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
		3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3853
2936	cf::sync_job {	3854	cf::sync_job {
2937	eval {	3855	eval {
2938	BDB::db_env_open	3856	BDB::db_env_open
2939	$DB_ENV,	3857	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3859	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3860	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3861	0666;
2944		3862
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3863	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3864	};
2950		3865
2951	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3867	};
2953	}	3868	}
		3869
		3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3872	};
		3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3875	};
		3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3878	};
2954	}	3879	}
2955		3880
2956	{	3881	{
		3882	# configure IO::AIO
		3883
2957	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3887	}
2970		3888
2971	my $_log_backtrace;	3889	my $_log_backtrace;
2972		3890
2973	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
2977		3895
2978	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
2981	async {	3900	async {
		3901	$Coro::current->{desc} = "abt $msg";
		3902
2982	my @bt = fork_call {	3903	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3905	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3906	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3907	or die "addr2line: $!";
…		…
2994	}	3915	}
2995		3916
2996	@funcs	3917	@funcs
2997	};	3918	};
2998		3919
2999	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3923	--$_log_backtrace;
3002	};	3924	};
3003	} else {	3925	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3006	}	3928	}
3007	}	3929	}
3008		3930
3009	# load additional modules	3931	# load additional modules
3010	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3011		3933
3012	END { cf::emergency_save }	3934	END { cf::emergency_save }
3013		3935
3014	1	3936	1
3015		3937

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